CN202978419U - 3G intelligent monitoring terminal for photovoltaic micro-grid power generation system accessed electric network - Google Patents
3G intelligent monitoring terminal for photovoltaic micro-grid power generation system accessed electric network Download PDFInfo
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- CN202978419U CN202978419U CN2012204203302U CN201220420330U CN202978419U CN 202978419 U CN202978419 U CN 202978419U CN 2012204203302 U CN2012204203302 U CN 2012204203302U CN 201220420330 U CN201220420330 U CN 201220420330U CN 202978419 U CN202978419 U CN 202978419U
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- power generation
- generation system
- wireless communication
- grid power
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The utility model discloses a 3G intelligent monitoring terminal for a photovoltaic micro-grid power generation system accessed electric network, which comprises the following components: a measurement control unit, a 3G wireless communication module, a 3G wireless communication network and a main station. The measurement control unit acquires, stores and processes environment parameter and system parameter data of a photovoltaic micro-grid power generation system, and then transmits data to the main station through the 3G wireless communication module by means of the 3G wireless communication network. The main station performs intelligent analysis and decision after receiving the information. A result after intelligent analysis and decision is transmitted to the measurement control unit through the 3G wireless communication network by means of the 3G wireless communication module. The 3G intelligent monitoring terminal can monitor the surrounding environment and equipment operation parameters in real time, and can realize local or remote monitoring through the wireless network. Furthermore the 3G intelligent monitoring terminal has the following advantages: simple equipment mounting, capability of adapting for multiple environments, no requirement for laying of a specialized communication link, low fault frequency, high monitoring accuracy and high speed.
Description
Technical field
The utility model relates to a kind of intelligent monitoring terminal, particularly a kind of 3G intelligent monitoring terminal of photovoltaic micro-grid power generation system access electrical network.
Background technology
At present, domestic and international monitoring to photovoltaic system mainly contains two kinds: wired remote monitoring and wireless remote monitering.
The wired remote monitoring technique comprises three kinds:
(1) adopt industrial bus, realize communication between slave computer (DSP, single-chip microcomputer, industrial computer etc.) and master station PC as 485 buses, CAN bus etc.;
(2) adopt modulator-demodulator (Modem) to realize by public telephone network;
(3) utilize the Internet (Internet) to combine to realize with front dual mode, the scope of application of this mode is wider, distance is longer.
The wireless remote monitering technology is mainly by means of the relay transmission technology of microwave station or artificial satellite, as utilizes communication signal frequency range special-purpose on mobile communication base station to transmit.
Solar photovoltaic power plant on the western a lot of mobile base stations of China adopts the wireless remote monitering technical approach to realize remote monitoring at present; Based on the long distance control system of GSM/GPRS radio mobile communication network, it realizes remote monitoring by model of data service or SMS (ShortMessage Service) SMS service etc. of application mobile communication GSM/GPRS.But, all these information transmission system collections and transmit and all need to complete under human assistance, its inefficiency, slow in reacting, transmission information is single, can't satisfy present stage China's energy conservation, repairing requirements of one's work.While supervisory control system somewhat expensive.
Simultaneously, because solar photovoltaic power plant is subjected to such environmental effects larger, but the range of its monitoring, precision, real-time, switching rate request are very high.How to realize improving the safety and reliability of photovoltaic micro-grid power generation system power supply by reallocating resources, effectively promoted power distribution network and prevented outside destroy and the ability of preventing and fighting natural adversities, become new research topic.
The utility model content
The utility model purpose: the purpose of this utility model is in order to solve the deficiencies in the prior art, the 3G intelligent monitoring terminal of the high photovoltaic micro-grid power generation system access electrical network of a kind of automation integrated level to be provided.
Technical scheme: in order to realize above purpose, the 3G intelligent monitoring terminal of a kind of photovoltaic micro-grid power generation system access electrical network described in the utility model comprises: measure-controlling unit, 3G wireless communication module, 3G cordless communication network and main website; Described measure-controlling unit gathers environmental parameter and the system parameter data of photovoltaic micro-grid power generation system and stores and process, then by the 3G wireless communication module, data are sent to main website through the 3G cordless communication network, main website carries out intellectual analysis and decision-making after receiving information, is issued to measure-controlling unit by the 3G cordless communication network through the 3G wireless communication module.Main frame described in the utility model is provided with the WEB backstage, and described main frame can be crossed the information exchange that comes from the measure-controlling unit transmission web backstage and be published to Internet, but user strange land Real Time Monitoring.
The 3G intelligent monitoring terminal of photovoltaic micro-grid power generation system described in the utility model access electrical network can Real Time Monitoring surrounding environment and equipment operational factor, and can realize the Local or Remote monitoring by wireless network, equipment is installed simple, can be adapted to multiple environment, need not to lay dedicated communication link, fault is few, and the monitoring accuracy rate is high, and speed is fast.
Described in the utility model, measure-controlling unit comprises: sensing acquisition module, single-chip microcomputer, 3G interface circuit, memory and PT, CT, electric energy metrical unit; Described sensing acquisition module gathers the environmental parameter of photovoltaic array obliquity information, photovoltaic micro-grid power generation system and delivers to single-chip microcomputer, deposits memory in after single-chip microcomputer is processed; Be incorporated into the power networks voltage, electric current, photovoltaic power generation quantity metrical information, energy-storage travelling wave tube energy output information and the remote measurement of electric power system tradition, remote signals of described PT, CT, electric energy metrical unit collection delivered to single-chip microcomputer, deposits memory in after single-chip microcomputer is processed.
The module of sensing acquisition described in the utility model comprises: environmental data collecting transducer, Photovoltaic array status data collector, voltage acquisition module, current acquisition module, figure sound collector; Described environmental data collecting transducer comprises: light intensity detecting sensor, Temperature Humidity Sensor, gravity acceleration sensor; Described light intensity detecting sensor is used for detecting solar radiation quantity, and Temperature Humidity Sensor is used for the testing environment situation, and the gravity acceleration sensor can be used to measure the matrix inclination angle, according to these data volumes, can calculate photovoltaic matrix energy output; But the PT in measure-controlling unit, CT and voltage-current sensor are converted into measuring voltage, electric current with the large voltage of large electric current, pass in single-chip microcomputer, are used for gathering be incorporated into the power networks voltage, electric current.The electric energy metrical unit calculates photovoltaic power generation quantity metrical information, energy-storage travelling wave tube energy output information with the information of voltage that PT, CT gather by chip functions.But figure sound collector collection site operation conditions is convenient to the backstage visualized management.
Single-chip microcomputer collection and calculate photovoltaic system energy output information in the utility model, solar radiation, photovoltaic inclination angle, environmental parameter, traditional remote measurement, remote signalling, and transmit display module and show; According to the energy output and the electric current and voltage information that gather, can differentiate voltage, electric current whether out-of-limit and judge whether to break down and these information and character are reported to the 3G cordless communication network through the 3G interface circuit, in order to carry out on the spot or remote failure isolation or photovoltaic micro-grid power generation system switching problem.
Measure-controlling unit described in the utility model can also comprise: key-press module and display module; Described display module is used for display module and is used for completing that switching value, quantity of state (voltage that is incorporated into the power networks, electric current, Photovoltaic array inclination angle, environmental parameter etc.), protection sampling show, electric degree shows, report shows that (sequence of event demonstration, operationral report, action report), communications status show; Described key-press module is mainly used to complete monitor state conversion, parameter setting and fixed value modification, complete local fling-cut switch minute, combined floodgate and divide-shut brake lock operation.
Measure-controlling unit described in the utility model can also comprise: control output interface; Described control output interface is connected with relay.System is uploaded to communication network with processing data later by the 3G network interface under normal circumstances.When system breaks down, can enable fast defencive function; The function of switching on the spot and line fault excision with photovoltaic micro-grid power generation system; The local operation function is provided, when conveniently breaking down in order to passage, can carries out manual breaking-closing operating.
Described in the utility model, measure-controlling unit also comprises: real time clock circuit.
Beneficial effect: the 3G intelligent monitoring terminal of a kind of photovoltaic micro-grid power generation system access electrical network described in the utility model has the following advantages:
The utility model has been realized environmental monitoring and can realize wireless monitor by 3G wireless communication module and 3G wireless communication network by measure-controlling unit, make the utility model be applicable to geographical environment complex area or solar energy power generating dispersion area, need not to lay special communication link, by the 3G wireless communication module 3G network of access communications operator fast, data in measure-controlling unit are sent to main website, perhaps measure-controlling unit is sent in the main website instruction; Main website can receive and analyze the real time data that sends from measure-controlling unit, carries out decision-making by the real time data that gathers; Main website can be published to Internet with information by the web backstage, but user strange land Real Time Monitoring.
Figure of description
Fig. 1 is structure diagram of the present utility model.
Fig. 2 is a kind of structural representation of the present utility model.
Embodiment
Below in conjunction with specific embodiment, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Embodiment
The 3G intelligent monitoring terminal of a kind of photovoltaic micro-grid power generation system access electrical network as shown in the figure comprises: measure-controlling unit, 3G wireless communication module, 3G cordless communication network and main website; Described measure-controlling unit comprises: sensing acquisition module, single-chip microcomputer, memory, 3G interface circuit, key-press module, display module, control output interface and PT, CT, electric energy metrical unit; Described sensing acquisition module comprises: environmental data collecting transducer, Photovoltaic array status data collector, voltage acquisition module, current acquisition module, figure sound collector.
The operation principle of the present embodiment is as follows:
Sensing acquisition module in measure-controlling unit be used for to gather the environmental parameter around the photovoltaic micro-grid power generation system, as temperature, humidity, solar radiation amount, Photovoltaic array inclination angle; PT, CT, electric energy metrical unit is used for gathering be incorporated into the power networks voltage, electric current, status information of equipment, photovoltaic system energy output etc.; Then the analog signal that gathers converts digital signal to and deposits memory in by single-chip microcomputer by the A/D change-over circuit, single-chip microcomputer is sent to main website by the 3G wireless communication module through the 3G wireless communication network with the data of storage, and main website receives real time information and information is processed and analyzed; Main website assigns instruction and reaches 3G wireless communication module arrival measure-controlling unit through the 3G wireless communication network, measure-controlling unit is resolved instruction, and being issued to each module, main website also can be published to Internet with information by the web backstage, but user strange land Real Time Monitoring.In this example by key-press module can be directly to the measuring unit calling data with assign instruction, display module is LCDs, but the data in the display measurement unit.
Claims (5)
1. the 3G intelligent monitoring terminal of a photovoltaic micro-grid power generation system access electrical network, is characterized in that: comprising: measure-controlling unit, 3G wireless communication module, 3G cordless communication network and main website; Described measure-controlling unit gathers environmental parameter and the system parameter data of photovoltaic micro-grid power generation system and stores and process, then by the 3G wireless communication module, data are sent to main website through the 3G cordless communication network, main website carries out intellectual analysis and decision-making after receiving information, is issued to measure-controlling unit by the 3G cordless communication network through the 3G wireless communication module.
2. the 3G intelligent monitoring terminal of photovoltaic micro-grid power generation system according to claim 1 access electrical network, it is characterized in that: described measure-controlling unit comprises: sensing acquisition module, PT, CT, electric energy metrical unit, single-chip microcomputer, memory, 3G interface circuit; The environmental parameter of described sensing acquisition module collection photovoltaic array obliquity information, photovoltaic micro-grid power generation system etc. is delivered to single-chip microcomputer, deposits memory in after single-chip microcomputer is processed; Be incorporated into the power networks voltage, electric current, photovoltaic power generation quantity information, energy-storage travelling wave tube energy output information and traditional remote measurement, remote signals of described PT, CT, electric energy metrical unit collection delivered to single-chip microcomputer, deposits memory in after single-chip microcomputer is processed; Described 3G interface circuit is connected with described 3G wireless communication module.
3. photovoltaic micro-grid power generation system according to claim 2 accesses the 3G intelligent monitoring terminal of electrical network, and it is characterized in that: described sensing acquisition module comprises: environmental data collecting transducer, Photovoltaic array status data collector, voltage acquisition module, current acquisition module, figure sound collector.
4. photovoltaic micro-grid power generation system according to claim 1 accesses the 3G intelligent monitoring terminal of electrical network, and it is characterized in that: described measure-controlling unit comprises: key-press module, display module, control output interface, real time clock circuit.
5. photovoltaic micro-grid power generation system according to claim 1 accesses the 3G intelligent monitoring terminal of electrical network, it is characterized in that: described main frame is provided with the WEB backstage, described main frame can be crossed the information exchange that comes from the measure-controlling unit transmission web backstage and be published to Internet, but user strange land Real Time Monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204203302U CN202978419U (en) | 2012-08-23 | 2012-08-23 | 3G intelligent monitoring terminal for photovoltaic micro-grid power generation system accessed electric network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012204203302U CN202978419U (en) | 2012-08-23 | 2012-08-23 | 3G intelligent monitoring terminal for photovoltaic micro-grid power generation system accessed electric network |
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| Publication Number | Publication Date |
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| CN202978419U true CN202978419U (en) | 2013-06-05 |
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| CN2012204203302U Expired - Fee Related CN202978419U (en) | 2012-08-23 | 2012-08-23 | 3G intelligent monitoring terminal for photovoltaic micro-grid power generation system accessed electric network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780271A (en) * | 2012-08-23 | 2012-11-14 | 健雄职业技术学院 | 3G smart monitoring terminal for connection of photovoltaic micro-network power generation system to power grid |
-
2012
- 2012-08-23 CN CN2012204203302U patent/CN202978419U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780271A (en) * | 2012-08-23 | 2012-11-14 | 健雄职业技术学院 | 3G smart monitoring terminal for connection of photovoltaic micro-network power generation system to power grid |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20140823 |
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| EXPY | Termination of patent right or utility model |