CN209200765U - A kind of photovoltaic power station monitoring system - Google Patents
A kind of photovoltaic power station monitoring system Download PDFInfo
- Publication number
- CN209200765U CN209200765U CN201821819509.9U CN201821819509U CN209200765U CN 209200765 U CN209200765 U CN 209200765U CN 201821819509 U CN201821819509 U CN 201821819509U CN 209200765 U CN209200765 U CN 209200765U
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- Prior art keywords
- comparator
- resistance
- monitor
- control plate
- inverter control
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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
-
- 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
-
- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of photovoltaic power station monitoring systems, belong to photovoltaic plant monitoring technology field.It includes that the photovoltaic array is connected with the inverter control plate, and the inverter control plate is connected with the monitor, and the monitor is connected with the terminal；The inverter control plate, comprising: monitor board, touch screen, data acquisition circuit, data concentrator, wireless transport module；The monitor board is connected with the touch screen, the data acquisition circuit, the data concentrator and the monitor respectively, and the data concentrator is connected with the wireless transport module.Utilize the utility model embodiment, complete the tracking to photovoltaic plant real-time running state, it can acquire simultaneously, the various environmental parameters of recording and displaying, and passing through GPRS line network technology for various data information remote transmissions to host computer, the order that remote supervision system center sends over can also be received and execute.
Description
Technical field
The utility model relates to photovoltaic plant monitoring technology field more particularly to a kind of photovoltaic power station monitoring systems.
Background technique
Solar photovoltaic power plant usually using the photovoltaic battery panel of various material, also not necessarily install concentratedly by position
Together, sixty-four dollar question is how multi-signal interference mutual in transmission process should correctly be handled.
Utility model content
The utility model provides a kind of photovoltaic power station monitoring system, it is intended to realize to photovoltaic plant real-time running state
Tracking, while can acquire, the various environmental parameters of recording and displaying, and by GPRS line network technology that various data informations are remote
Journey is transferred to host computer, and the order that remote supervision system center sends over can also be received and execute, and whole system is main
Exactly in order to realize acquisition, storage and the display to data, the monitoring of power station state is realized.
To solve the above problems, technical solution provided by the utility model are as follows: a kind of photovoltaic power station monitoring system, comprising:
Photovoltaic array, inverter control plate, monitor, terminal；
The photovoltaic array is connected with the inverter control plate, and the inverter control plate is connected with the monitor,
The monitor is connected with the terminal；
The inverter control plate, comprising: monitor board, touch screen, data acquisition circuit, data concentrator, GPRS are wireless
Transmission module；
The monitor board respectively with the touch screen, the data acquisition circuit, the data concentrator and the monitoring
Device is connected, and the data concentrator is connected with the GPRS wireless transport module.
In a kind of implementation of the utility model, the monitor board is single-chip microcontroller, the model of single-chip microcontroller are as follows:
STC12C5A3282, the inverter control plate further include restarting circuit, and described to restart circuit include: first capacitor, switch,
One resistance；
The starting pin of the monitor board is connected with one end of the first capacitor, the other end of the first capacitor and institute
The one end for stating switch is connected, and the other end of the switch is connected with one end of the starting pin and the first resistor, described
The other end of first resistor is grounded.
In a kind of implementation of the utility model, the inverter control plate further includes voice broadcast circuit, institute's predicate
It includes: second resistance, 3rd resistor, light emitting diode, loudspeaker that sound, which broadcasts circuit,；
First pin of the monitor board is connected by the second resistance with the anode of the light emitting diode, the hair
The minus earth of optical diode, the pin that the second pin of the monitor board passes through the 3rd resistor and the loudspeaker
It is connected, another pin ground connection of the loudspeaker.
In a kind of implementation of the utility model, the photovoltaic array and the photoelectric conversion unit and battery group list
Member is connected.
It further include detection circuit on the inverter control plate in a kind of implementation of the utility model, the detection
Circuit include: current sensor current output signal end by the 4th resistance be connected to first comparator positive input and
Current reference signal end is connected to the reverse input end of first comparator by the 5th resistance, and the first comparator reversely inputs
End is connected by the 6th resistance in parallel, the second capacitor with the output end of the first comparator, the first comparator it is defeated
Outlet is separately input into the positive input of the reverse input end of the second comparator, third comparator by the 7th resistance, described
The positive input of second comparator inputs the second reference of reverse input end input of the first reference voltage, the third comparator
Voltage, the output end of the third comparator are connected with the on-line monitoring host.
In a kind of implementation of the utility model, the detection circuit further includes current sampling circuit, and the electric current is adopted
Sample circuit includes:
The output end of first comparator, which passes through, is connected to the positive input of the 4th comparator after filter circuit, and the described 4th
The reverse input end of comparator be connected to one end of the 8th resistance, one end of the 9th resistance, third capacitor one end, the described 9th
The other end of the resistance other end and the third capacitor is connected to the output end of the 4th comparator, the 8th resistance it is another
One end ground connection, the output end of the 4th comparator are connected with the monitor board.
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) the embodiments of the present invention are completed using embeded processor as the monitoring system of core to photovoltaic plant reality
When operating status tracking, while can acquire, the various environmental parameters of recording and displaying, and will be each by GPRS line network technology
To host computer, the order that remote supervision system center sends over can also be received and execute kind data information remote transmission,
Whole system mainly aims at the acquisition, storage and display etc. realized to data, realizes the monitoring of power station state；
(2) system is broadly divided into scene and adopts GPRS wireless communication module and mobile phone client module by the utility model,
In this photovoltaic plant monitoring system, on-site data gathering module completes the collecting work of each operating parameter in power station using sensor,
GPRS wireless communication module transfers data to server, when cell phone client to server send request when, server then from
Corresponding data are transferred in database and are sent to client, are carried out terminal monitoring and are shown.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of photovoltaic power station monitoring system provided by the embodiment of the utility model；
Fig. 2 is the first circuit diagram of photovoltaic power station monitoring system provided by the utility model；
Fig. 3 is second of circuit diagram of photovoltaic power station monitoring system provided by the utility model；
Fig. 4 is the third circuit diagram of photovoltaic power station monitoring system provided by the utility model；
Fig. 5 is the 4th kind of circuit diagram of photovoltaic power station monitoring system provided by the utility model.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with accompanying drawings and embodiments.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of photovoltaic power station monitoring system provided by the embodiment of the utility model,
It include: photovoltaic array, inverter control plate, monitor, terminal；
The photovoltaic array is connected with the inverter control plate, and the inverter control plate is connected with the monitor,
The monitor is connected with the terminal；
The inverter control plate, comprising: monitor board, touch screen, data acquisition circuit, data concentrator, GPRS are wireless
Transmission module；
The monitor board respectively with the touch screen, the data acquisition circuit, the data concentrator and the monitoring
Device is connected, and the data concentrator is connected with the GPRS wireless transport module.
There are independent monitor boards, i.e. central processing module (MCU) in inverter control plate, at the scene can to utilize work
The signal of industry sensor acquisition, which carries out simple digital filtering and data processing, data that treated, can pass through GPRS channel radio
Believe that the computer of technology transfer to the system of monitoring, last monitoring computer summarize and handle the data from each scene.
Since inverter control plate has been integrated with data acquisition and communication function, controller passes through RS485 serial data
Bus connect with inverter control plate and stores the data information of forwarding acquisition.It is smaller in the grid-connected power of solar photovoltaic power plant
In the case where (in the power supply of 30Kw or less power), local information passes through a 128*64's in the form of Chinese character, alphanumeric etc.
Lattice lcd display is shown as touch screen.So establishing one includes the dedicated of all Chinese characters that will be used
Dot matrix word library is simultaneously stored in the program register of 10KB.In the grid-connected power of solar photovoltaic power plant larger (30Kw and the above function
In the power supply of rate) in the case where, controller will realize by RS232 serial line interface and host computer and connect that the information in power station also will
It changes into touch screen and shows.
In the present system, the operating parameter and control parameter in mainly power station need to show, the operating parameter in power station cannot
It is shown on liquid crystal display, is only able to display on the touchscreen, and there is the case where sometimes for modification in control parameter, can pass through touching
Screen is touched to be handled to modify and return to by the inverter control plate that dsp processor is formed.Meanwhile in controller and data set
Device is communicated by optical fiber, the data information of storage is all sent to data concentrator, data concentrator then passes through GPRS
The data received are sent to long-range host computer by wireless communication technique.The data that host computer receives are stored in number by server again
According to library, while connection being realized with customer end A pp and is in communication with each other, when customer end A pp is sent to server to be requested, database will
Mobile phone is transferred data to by network in time, the various charts and data information of real-time response will be shown in App.
Using the utility model embodiment using embeded processor as the monitoring system of core, complete real-time to photovoltaic plant
The tracking of operating status, while can acquire, the various environmental parameters of recording and displaying, and will be various by GPRS line network technology
To host computer, the order that remote supervision system center sends over can also be received and execute data information remote transmission, whole
A system mainly aims at the acquisition, storage and display etc. realized to data, realizes the monitoring of power station state.
In a kind of implementation, the monitor board is single-chip microcontroller, the model of single-chip microcontroller are as follows: STC12C5A3282, it is described inverse
Becoming device control panel further includes restarting circuit, and described to restart circuit include: first capacitor C3, switch SW1, first resistor R1；It is described
The starting pin of monitor board is connected with one end of the first capacitor C3, the other end and the switch of the first capacitor C3
One end of SW1 is connected, and the other end of the switch SW1 is connected with one end of the starting pin and the first resistor R1, institute
State the other end ground connection of first resistor R1.
It is filtered by first capacitor C3, filters out accidental voltage fluctuation, when switch SW1 is closed, electricity
Pressure VCC is grounded by first resistor R1, and the corresponding pin of monitor board receives the branch pressure voltage of first resistor R1, realizes monitor board
Restart.
Specifically, the inverter control plate further includes voice broadcast circuit, the voice broadcast circuit includes: the second electricity
Hinder R2,3rd resistor R3, light emitting diode D4, loudspeaker LS1；First pin of the monitor board passes through the second resistance R2
It is connected with the anode of the light emitting diode D4, the minus earth of the light emitting diode D4, the second pin of the monitor board
It is connected by the 3rd resistor R3 with a pin of the loudspeaker LS1, another pin of the loudspeaker LS1 connects
Ground.
As shown in Fig. 2, high level is lighted luminous by second resistance R2 when the pin 13 of single-chip microcontroller is high level
Diode D4, meanwhile, voice signal is transmitted to loudspeaker LS1 via 3rd resistor R3 by the pin 12 of single-chip microcontroller and is sent out
Sound.
In a kind of embodiment, the photovoltaic array is connected with the photoelectric conversion unit and battery group unit.Realize light
Electricity conversion is converted to electric energy, and carries out energy storage by battery group unit.
It further include detection circuit on the inverter control plate in a kind of implementation of the utility model, the detection
Circuit includes: that the current output signal end of current sensor is connected to the forward direction of first comparator A13B by the 4th resistance R85
Input terminal and current reference signal end are connected to the reverse input end of first comparator A13B by the 5th resistance R88, and described
One comparator A13B reverse input end passes through the 6th resistance R95, the second capacitor C109 and the first comparator A13B in parallel
Output end be connected, the output end of the first comparator A13B is separately input into the second comparator by the 7th resistance R97
The positive input of the reverse input end of CM11A, third comparator CM11B, the positive input of the second comparator CM11A
Reverse input end the second reference voltage of input of the first reference voltage, the third comparator CM11B are inputted, the third compares
The output end of device CM11B is connected with the on-line monitoring host.
As shown in figure 3, the positive input of first comparator A13B is connected by first resistor R85 with current sensor,
The reverse input end of first comparator A13B is connected by second resistance R88 with reference voltage, and first comparator A13B's is anti-
It is connected between input terminal and output end by capacitor C109 in parallel with resistance R95, forms negative-feedback circuit, is improved electric current and adopt
The accuracy of sample, in addition, the 4th resistance R97 of output single pass-through of first comparator A13B is respectively with the second comparator CM11A's
Reverse input end, third comparator CM11B positive input be connected, the positive input of the second comparator CM11A input the
Reverse input end the second reference voltage of input of one reference voltage, third comparator CM11B is therefore, big in the first reference voltage
In the case where the second reference voltage, when the output end of first comparator A13B is greater than the second reference voltage and less than the first reference
Voltage, output are high level, are otherwise low level, therefore, can carry out one to the input voltage of first comparator A13B
Compare, determine the range of its input, can accurately measure the numerical value of sampling whether within the scope of one of setting, improves measurement
Accuracy, specifically the result of measurement can be fed back into photovoltaic plant mechanical floor and be monitored.
It, can be by the voltage received and pre- by the detection circuit being arranged on the inverter control plate in the utility model
The voltage being first arranged is compared, and determines that the voltage received whether in reference voltage range, is further increased and examined to voltage
The accuracy of survey.
Specifically, the detection circuit further includes current sampling circuit, the current sampling circuit includes: first comparator
The output end of A13B is connected to the positive input of the 4th comparator A20B, the 4th comparator after passing through RC filter circuit
The reverse input end of A20B be connected to one end of the 8th resistance R503, one end of the 9th resistance R504, third capacitor C403 one
The other end of end, the 9th resistance R504 other end and the third capacitor C403 are connected to the 4th comparator A20B's
Output end, the other end ground connection of the 8th resistance R503, output end and the monitor board phase of the 4th comparator A20B
Even.
As shown in figure 3, the output end signal Ig1 of first comparator A13B passes through resistance R500, capacitor C400, resistance
The forward direction that the 4th comparator A20B is input to after multiple RC filtering that R501, capacitor C401, resistance R502, capacitor C402 are formed is defeated
Enter end, reverse input end connects the 5th resistance R503, and is connected to by the 6th resistance R504 and the second capacitor C403 in parallel
The output end of 4th comparator A20B forms negative-feedback circuit, realizes the standard for improving circuit current sample on inverter control plate
True property.
It further include comparison circuit on inverter control plate include: resistance R8 mono- in a kind of implementation of the utility model
End be connected with the output end on inverter control plate, the resistance R8 other end respectively with one end of resistance R9, voltage monitoring chip U1
Input terminal be connected, the output end of voltage monitoring chip U1 is connected with the base stage of the base stage of triode Q1, triode Q2, triode
The emitter of Q1 is connected by resistance R10 with the anode of light emitting diode D7, the collector and light emitting diode D6 of triode Q2
Cathode be connected, the anode of light emitting diode D6 is connected to operating voltage by the collector of four resistance R11 and triode Q1
VCC；The emitter ground connection of the other end of resistance R9, the cathode of light emitting diode D7, triode Q2, voltage monitoring chip U1's is defeated
Outlet is connected with an input terminal of comparator 14.
Specifically, the model AZ80 of voltage monitoring chip U1, triode Q1 are NPN type, the triode Q2 is PNP
Type.The reception of AZ809 is to be detected, and when input voltage is lower than preset voltage value, such as when 3.3V, output end output signal is low
Level；Otherwise, output voltage is high level.When triode Q1 is connected, D7 is lighted；Otherwise, triode Q2 is connected, and D6 is lighted.Separately
Outside, it can also be adjusted by the resistance value ratio of resistance R80/ resistance R81, adjust the brightness of light emitting diode.It realizes to inverter
On control panel after inversion voltage monitoring, and the prompting that shines is carried out by the brightness of diode in time, convenient for reminding user.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of photovoltaic power station monitoring system characterized by comprising photovoltaic array, inverter control plate, monitor, terminal；
The photovoltaic array is connected with the inverter control plate, and the inverter control plate is connected with the monitor, described
Monitor is connected with the terminal；
The inverter control plate, comprising: monitor board, touch screen, data acquisition circuit, data concentrator, GPRS wireless transmission
Module；
The monitor board respectively with the touch screen, the data acquisition circuit, the data concentrator and the monitor phase
Even, the data concentrator is connected with the GPRS wireless transport module.
2. a kind of photovoltaic power station monitoring system according to claim 1, which is characterized in that the monitor board is single-chip microcontroller,
The model of single-chip microcontroller are as follows: STC12C5A3282, the inverter control plate further include restarting circuit, described to restart circuit and include:
First capacitor (C3), switch (SW1), first resistor (R1)；
The starting pin of the monitor board is connected with one end of the first capacitor (C3), the other end of the first capacitor (C3)
It is connected with one end of the switch (SW1), the other end and the starting pin and the first resistor of the switch (SW1)
(R1) one end is connected, the other end ground connection of the first resistor (R1).
3. a kind of photovoltaic power station monitoring system according to claim 2, which is characterized in that the inverter control plate also wraps
Include voice broadcast circuit, the voice broadcast circuit include: second resistance (R2), 3rd resistor (R3), light emitting diode (D4),
Loudspeaker (LS1)；
First pin of the monitor board is connected by the second resistance (R2) with the anode of the light emitting diode (D4), institute
The minus earth of light emitting diode (D4) is stated, the second pin of the monitor board passes through the 3rd resistor (R3) and the loudspeaking
One pin of device (LS1) is connected, another pin ground connection of the loudspeaker (LS1).
4. a kind of photovoltaic power station monitoring system according to claim 1-3, which is characterized in that the photovoltaic array
It is connected with the photoelectric conversion unit and battery group unit.
5. a kind of photovoltaic power station monitoring system according to claim 4, which is characterized in that on the inverter control plate also
Including detection circuit, the detection circuit includes: that the current output signal end of current sensor is connected by the 4th resistance (R85)
First is connected to by the 5th resistance (R88) to the positive input of first comparator (A13B) and current reference signal end to compare
The reverse input end of device (A13B), first comparator (A13B) reverse input end pass through the 6th resistance (R95) in parallel, the
Two capacitors (C109) are connected with the output end of the first comparator (A13B), and the output end of the first comparator (A13B) is logical
It crosses the 7th resistance (R97) and is being separately input into the reverse input end of the second comparator (CM11A), third comparator (CM11B) just
To input terminal, the positive input of second comparator (CM11A) inputs the first reference voltage, the third comparator
(CM11B) reverse input end inputs the second reference voltage, the output end and the online prison of the third comparator (CM11B)
Host is surveyed to be connected.
6. a kind of photovoltaic power station monitoring system according to claim 5, which is characterized in that the detection circuit further includes electricity
Sample circuit is flowed, the current sampling circuit includes:
The output end of first comparator (A13B) is inputted by being connected to the positive of the 4th comparator (A20B) after RC filter circuit
End, the reverse input end of the 4th comparator (A20B) are connected to one end of the 8th resistance (R503), the 9th resistance (R504)
One end, third capacitor (C403) one end, the 9th resistance (R504) other end and the third capacitor (C403) it is another
One end is connected to the output end of the 4th comparator (A20B), the other end ground connection of the 8th resistance (R503), and described the
The output end of four comparators (A20B) is connected with the monitor board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201821819509.9U CN209200765U (en) | 2018-11-06 | 2018-11-06 | A kind of photovoltaic power station monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821819509.9U CN209200765U (en) | 2018-11-06 | 2018-11-06 | A kind of photovoltaic power station monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113034877A (en) * | 2021-02-25 | 2021-06-25 | 新乡职业技术学院 | Intelligent direct current motor controller |
| CN116937817A (en) * | 2023-09-18 | 2023-10-24 | 深圳鹏锐信息技术股份有限公司 | Data monitoring system of photovoltaic power station |
-
2018
- 2018-11-06 CN CN201821819509.9U patent/CN209200765U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113034877A (en) * | 2021-02-25 | 2021-06-25 | 新乡职业技术学院 | Intelligent direct current motor controller |
| CN116937817A (en) * | 2023-09-18 | 2023-10-24 | 深圳鹏锐信息技术股份有限公司 | Data monitoring system of photovoltaic power station |
| CN116937817B (en) * | 2023-09-18 | 2024-01-16 | 深圳鹏锐信息技术股份有限公司 | Data monitoring system of photovoltaic power station |
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