CN108427356A - A kind of intelligent photovoltaic data collecting system of photovoltaic module and inverter - Google Patents
A kind of intelligent photovoltaic data collecting system of photovoltaic module and inverter Download PDFInfo
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- CN108427356A CN108427356A CN201810562024.4A CN201810562024A CN108427356A CN 108427356 A CN108427356 A CN 108427356A CN 201810562024 A CN201810562024 A CN 201810562024A CN 108427356 A CN108427356 A CN 108427356A
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- inverter
- photovoltaic module
- photovoltaic
- data
- module
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The invention discloses the intelligent photovoltaic data collecting systems of a kind of photovoltaic module and inverter, including：Data collector connect with photovoltaic module and inverter agreement and is used to acquire the operation data information of photovoltaic module and inverter；Cloud platform connect with the data collector agreement and is used to receive the photovoltaic module of data collector conveying and the operation data information of inverter；Monitor terminal connect with cloud platform agreement and is used to receive the photovoltaic module of cloud platform push and the operation data information of inverter.The present invention can connect inverter and photovoltaic module simultaneously, accomplish data acquisition, monitoring and the shutdown of photovoltaic module grade, can control single or multiple components, safety is substantially improved, promote energy utilization rate.And the present invention can monitor inverter and photovoltaic module simultaneously, and data are uploaded into monitor terminal, provide more rich and accurate information to operation maintenance personnel and user.
Description
Technical field
The invention belongs to photovoltaic technology field, and in particular to a kind of acquisition of the intelligent photovoltaic data of photovoltaic module and inverter
System.
Background technology
Solar energy is a kind of renewable and clean energy resource, with both at home and abroad to the attention of clean energy resource and Energy restructuring etc.
Positive factor and increasingly receive an acclaim.Therefore, photovoltaic industry has good development prospect, especially distributed photovoltaic system
System, can utilize solar energy with adaptation to local conditions.
With the development of photovoltaic industry, the form and networking model of photovoltaic system are further diversified, have many problems urgently
To be solved, intelligence, reliability, security requirement all greatly improve.Photovoltaic data collector is the solution for meeting these demands
Scheme, however, the photovoltaic data collector product gathered data source on current domestic market is single, mainly to acquire inverter
Based on data, does not accomplish the data acquisition and monitoring of component level, rapidly switch off function without providing yet, cannot be satisfied user
The demand for obtaining inverter and every block assembly data simultaneously and fast and safely being turned off.Wherein, the monitoring of photovoltaic module grade refers to
It is that the data on each piece of solar panels are monitored, rapidly switches off and refer to allowing entire photovoltaic system quickly to stop generating electricity.
Such as the patent document that notification number is CN205003540U discloses a kind of intelligent photovoltaic data collector, only can
More inverter data are acquired, but the data of each photovoltaic module can not be collected.These problems are analyzed, propose that one kind can be same
When acquisition inverter and photovoltaic module data and be necessary with the collector of turn-off function, the peace of photovoltaic system can be improved
Quan Xing, reliability, ease for use.
Invention content
To solve the above-mentioned problems, the present invention provides the acquisitions of the intelligent photovoltaic data of a kind of this photovoltaic module and inverter
System can acquire inverter and photovoltaic module data and can control photovoltaic module and inverter simultaneously.
The technical scheme is that：The intelligent photovoltaic data collecting system of a kind of photovoltaic module and inverter, feature
It is, including：
Data collector is connect with photovoltaic module and inverter agreement and for acquiring photovoltaic module and inverter
Operation data information；
Cloud platform, connect with the data collector agreement and for receive data collector conveying photovoltaic module and
The operation data information of inverter；
Monitor terminal connect with cloud platform agreement and is used to receive the photovoltaic module of cloud platform push and the fortune of inverter
Row data information；
The data collector includes for sending the heartbeat signal opened and closed for controlling photovoltaic module to photovoltaic module
MCU module, the MCU module to the operation data information that photovoltaic module and/or inverter report send out after protocol-decoding
It send to the cloud platform, and can receive the control instruction for controlling photovoltaic module and/or inverter that the cloud platform issues
To send corresponding control signal to the photovoltaic module and/or inverter.
The present invention can be divided into two aspects, i.e. intercommunication and PERCOM peripheral communication, intercommunication refers to data collector
(ECU) networking and communication between the component in the photovoltaic generating systems such as inverter and photovoltaic module, what PERCOM peripheral communication referred to
It is that related data is uploaded to monitor terminal by data collector.It is logical between data collector and inverter in intercommunication
Letter and the communication between data collector and photovoltaic module physically can be independent, are independent of each other.
Heartbeat signal is the signal opened and turned off for controlling PV systems that data collector (ECU) issues component.Example
As if heartbeat signal is sent, photovoltaic module should work, if heartbeat signal once stops sending, photovoltaic module should be in a timing
Interior shutdown.The present invention can be set, and after photovoltaic module can not receive heartbeat signal in continuous 7 seconds, then initially enter shutdown mode.
Data collector in the communication protocol of photovoltaic module to containing enabled switch order in the present invention.Enabled full name
It is the enabled control of heartbeat signal, determines whether heartbeat signal works.Enabled to open, heartbeat signal can opening with control system
It closes；Enabled to close, the keying of system is not controlled by heartbeat signal, at this point, system enters O＆M debugging mode.The mesh of enabled setting
Be provided during debugging system to operation maintenance personnel it is convenient, in O＆M debugging, be arranged it is enabled close, accordingly even when in data
In the case that collector does not work, heartbeat signal is not sent, photovoltaic module, which is appointed, can so work normally.
Data collector is in the intersection of intercommunication and PERCOM peripheral communication, and effect is from inverter and photovoltaic module
The data transmitted are parsed according to communications protocol, show that each parameter is specifically worth, and are carried out operation and are obtained some numbers
According to further according to the upload of the agreement of data collector and monitor terminal.
The effect of MCU module wherein in data collector has a several points, and first, the letter that inverter and photovoltaic module are reported
Breath is decoded according to agreement, and carries out operation, and cloud platform is sent to according to the communications protocol of cloud platform coding；Second, root
The dependent instruction issued according to cloud platform carries out reading and writing data or relevant operation to inverter and photovoltaic module；Third persistently gives light
It lies prostrate component and sends heartbeat signal, and monitor local or high in the clouds in real time and instructed either with or without shutdown.
Photovoltaic module information is uploaded to the process of collector and is also required to define in the present invention, need independent photovoltaic module with
Communication protocol between collector, such as periodic upload mode may be used.
Related data is uploaded to the monitor supervision platform in high in the clouds by the PERCOM peripheral communication part of the present invention, data collector.Wherein institute
It is backstage display, mobile phone or tablet etc. to state monitor terminal, inverse after related data is uploaded to monitor terminal by data collector
The data for becoming device and photovoltaic module may be displayed on the large screen, webpage or cell phone application of monitor terminal, and administrator can lead to
It crosses monitor terminal to be monitored in real time, and control instruction can be sent by monitor terminal.
Preferably, the data collector is connected with cloud platform wireless communication.
In the present invention there are many communications, preferably, the data collector and the cloud platform server-side
Between connection carried out wireless communication by GPRS module, WIFI module, NB-IOT modules or 4G modules.Data collector can lead to
It crosses wireless communication module to be communicated with cloud platform, there is proprietary communication protocol, data between data collector and monitor terminal
The operating mode of long connection may be used in communication of the collector with cloud platform.
Preferably, the data collector includes the Zigbee module being connect with photovoltaic module signal.Zigbee module
For connecting intelligent assembly, the model of Zigbee module will be consistent with the model of Zigbee module on photovoltaic module.
Preferably, the data collector includes the RS485 interface and/or RS232 interface with inverter communication connection.
Data collector is connect with inverter by RS485 interfaces or RS232 interface, two-way can be passed between data collector and inverter
Defeated information, and data collector can control the switch of inverter.
In the present invention there are many types of MCU module, using existing multiple types can also, preferably, the MCU moulds
Block uses Cortex-M3 kernels.
Preferably, the data collector further includes bluetooth module.The present invention can be by bluetooth module for dispatching from the factory
When system configuration, such as the sequence number of ECU, the Beijing time of ECU, the server domain name of upload, IP address, port can be configured
Number, upload interval, can provide convenience to production process, eliminate the complex configurations process of burning program.
Preferably, the data collector further includes data memory module.No matter whether network interrupts, and can pass through
Data memory module carries out data storage.
Preferably, the data memory module is SD card or Flash modules.When data store, with HEX in Flash
Format stores, and is stored with text formatting in SD card, facilitates debugging and O＆M.
Compared with prior art, beneficial effects of the present invention are embodied in：
(1) present invention can connect inverter and photovoltaic module simultaneously, accomplish photovoltaic module grade data acquisition, monitoring and
Shutdown can control single or multiple components, and safety is substantially improved, and promote energy utilization rate.
(2) present invention can monitor inverter and photovoltaic module simultaneously, and data are uploaded monitor terminal, give operation maintenance personnel
More rich and accurate information is provided with user.
(3) present invention can also support to carry out manufacture parameter configuration with bluetooth module, and the complexity for eliminating burning program is matched
Process is set, makes production process more convenient.
(4) present invention uses heartbeat signal controlling mechanism to photovoltaic module, and can give delay redundancy, is ensuring photovoltaic
Being greatly reduced while component rapidly switches off may be because the system that signal transmission issues are brought accidentally turns off.
(5) data collector in the present invention supports storage inside and SD card extension, and data will not lose under offline condition
It loses.
Description of the drawings
Fig. 1 is the structure connection diagram of the present invention.
Fig. 2 is the schematic diagram of data collector in the present invention.
Fig. 3 is the schematic diagram that intercommunication connects in the present invention.
Fig. 4 is the schematic diagram of external communication of the present invention connection.
Specific implementation mode
As shown in Fig. 1, Fig. 3 and Fig. 4, the present invention includes：
Data collector 1 is connect with photovoltaic module 5 and 4 agreement of inverter and for acquiring photovoltaic module 5 and inversion
The operation data information of device 4；
Cloud platform 2, the photovoltaic module 5 for connecting with 1 agreement of the data collector and being conveyed for receiving data collector 1
And the operation data information of inverter 4；
Monitor terminal 3, the photovoltaic module 5 and inverter for connecting with 2 agreement of cloud platform and being pushed for receiving cloud platform 2
4 operation data information；
The data collector 1 includes for sending the heartbeat signal opened and closed for controlling photovoltaic module 5 to photovoltaic module 5
MCU module 11, the operation data information that the MCU module 11 reports photovoltaic module 5 and/or inverter 4 carries out agreement solution
Be sent to the cloud platform 2 after code, and can receive that the cloud platform 2 issues for controlling photovoltaic module 5 and/or inverter
4 control instruction to the photovoltaic module 5 and/or inverter 4 to send corresponding control signal.
As shown in Figure 3 and Figure 4, the present invention can be divided into two aspects, i.e. intercommunication and PERCOM peripheral communication, intercommunication refers to
Be networking between component in data collector 1 (ECU) and the photovoltaic generating systems such as inverter 4 and photovoltaic module 5 and
Communication, PERCOM peripheral communication refer to that related data is uploaded to monitor terminal 3 by data collector 1.Wherein data collector 1 and inversion
Communication between communications and data collector 1 between device 4 and photovoltaic module 5 physically can be independent, is independent of each other.
Heartbeat signal is the signal opened and turned off for controlling PV systems that data collector 1 (ECU) issues component.Example
As if heartbeat signal is sent, photovoltaic module 5 should work, if heartbeat signal once stops sending, photovoltaic module 5 should be certain
Shutdown in time.The present invention can be set, and after photovoltaic module can not receive heartbeat signal in 5 continuous 7 seconds, then initially enter shutdown mould
Formula.
Data collector 1 in the communication protocol of photovoltaic module 5 to containing enabled switch order in the present invention.Enabled is complete
Title is the enabled control of heartbeat signal, determines whether heartbeat signal works.Enabled to open, heartbeat signal can opening with control system
It closes；Enabled to close, the keying of system is not controlled by heartbeat signal, at this point, system enters O＆M debugging mode.The mesh of enabled setting
Be provided during debugging system to operation maintenance personnel it is convenient, in O＆M debugging, be arranged it is enabled close, accordingly even when in data
In the case that collector 1 does not work, heartbeat signal is not sent, photovoltaic module 5, which is appointed, can so work normally.
Data collector 1 is in the intersection of intercommunication and PERCOM peripheral communication, and effect is from inverter 4 and photovoltaic group
The data that part 5 transmits are parsed according to communications protocol, show that each parameter is specifically worth, and are carried out operation and are obtained
Data are uploaded further according to the agreement of data collector 1 and monitor terminal 3.
The effect of MCU module 11 wherein in data collector 1 has a following, and first, to inverter 4 and photovoltaic module
5 information reported are decoded according to agreement, and carry out operation, flat according to cloud is sent to the communications protocol of cloud platform 2 coding
Platform 2；Second, according to the dependent instruction that cloud platform 2 issues, reading and writing data or related behaviour are carried out to photovoltaic module 5 to inverter 4
Make；Third persistently gives photovoltaic module 5 to send heartbeat signal, and monitors local or high in the clouds in real time and instructed either with or without shutdown.
5 information of photovoltaic module is uploaded to the process of collector 1 and is also required to define in the present invention, needs independent photovoltaic module
Communication protocol between 5 and collector 1, such as periodic upload mode may be used.
Related data is uploaded to the monitor terminal 3 in high in the clouds by the PERCOM peripheral communication part of the present invention, data collector 1.Wherein
The monitor terminal 3 is backstage display, mobile phone or tablet etc., data collector 1 by related data be uploaded to monitor terminal 3 it
Afterwards, the data of inverter 4 and photovoltaic module 5 may be displayed on the large screen, webpage or cell phone application of monitor terminal 3, management
Member can be monitored in real time by monitor terminal 3, and can send control instruction by monitor terminal 3.
As shown in Fig. 2, data collector is provided with power module 16, outer watchdog reset circuit 17, RTC in the present invention
With MS (manganese silicon) structures such as lithium rechargeable battery 18 and LED light 19.And there are many types of MCU module 11, use
Existing multiple types can also, such as Cortex-M3 kernels may be used in MCU module 11.Data collector 1 can also include indigo plant
Tooth module 12.The present invention can be by bluetooth module 12 for system configuration when dispatching from the factory, such as can configure the sequence number of ECU,
The Beijing time of ECU, the server domain name of upload, port numbers, upload interval at IP address, can be provided just to production process
Profit eliminates the complex configurations process of burning program.
Also shown in FIG. 2, data collector 1 further includes data memory module 15 in the present embodiment.No matter network whether
It interrupts, data storage can be carried out by data memory module.Data memory module is SD card 151 and Flash modules 152.
When data store, is stored with HEX formats in Flash, stored with text formatting in SD card, facilitate debugging and O＆M.
As shown in figure 4, data collector 1 is connected with the wireless communication of the cloud platform 2 in the present invention, and nothing in the present invention
There are many line communication modes, can be connected by a plurality of types of wireless communication modules 20, such as data collector 1 and the cloud
Connection can be carried out wireless communication between 2 server-side of platform by GPRS module, WIFI module, NB-IOT modules or 4G modules.
Data collector 1 module 20 can be communicated with cloud platform 2 by radio communication, between data collector 1 and monitor terminal 3
There are proprietary communication protocol, data collector 1 that the operating mode of long connection may be used with the communication of cloud platform 2.
In the present invention data collector 1 include the mode that is connect with 5 signal of photovoltaic module can also there are many, such as Fig. 3 institutes
Show, data collector 1 includes the Zigbee module 13 being connect with 5 signal of photovoltaic module in the present embodiment.Zigbee module 13 is used
In connection intelligent assembly, the model of Zigbee module 13 will be consistent with the model of Zigbee module on photovoltaic module 5.
In the present invention data collector 1 include with inverter 4 communication connection mode can also there are many, as shown in figure 4,
Data collector 1 includes the RS485 interface and/or RS232 interface 14 with the communication connection of inverter 4 in the present embodiment.Data are adopted
Storage 1 is connect with inverter 4 by RS485 interfaces or RS232 interface 14, two-way can be passed between data collector 1 and inverter 4
Defeated information, and data collector 1 can control the switch of inverter 4.
Claims (9)
1. the intelligent photovoltaic data collecting system of a kind of photovoltaic module and inverter, which is characterized in that including：
Data collector connect with photovoltaic module and inverter agreement and is used to acquire the operation of photovoltaic module and inverter
Data information；
Cloud platform is connect with the data collector agreement and for receiving the photovoltaic module and inversion that data collector conveys
The operation data information of device；
Monitor terminal connect with cloud platform agreement and is used to receive the photovoltaic module of cloud platform push and the operation number of inverter
It is believed that breath；
The data collector includes for sending the MCU moulds for controlling the heartbeat signal that photovoltaic module opens and closes to photovoltaic module
Block, the MCU module carry out the operation data information that photovoltaic module and/or inverter report to be sent to institute after protocol-decoding
State cloud platform, and can receive that the cloud platform issues for controlling the control instruction of photovoltaic module and/or inverter with to institute
It states photovoltaic module and/or inverter sends corresponding control signal.
2. the intelligent photovoltaic data collecting system of photovoltaic module as described in claim 1 and inverter, which is characterized in that described
Data collector is connected with cloud platform wireless communication.
3. the intelligent photovoltaic data collecting system of photovoltaic module as claimed in claim 2 and inverter, which is characterized in that described
It is carried out by GPRS module, WIFI module, NB-IOT modules or 4G modules between data collector and the cloud platform server-side
Wireless communication connection.
4. the intelligent photovoltaic data collecting system of photovoltaic module as described in claim 1 and inverter, which is characterized in that described
Data collector includes the Zigbee module being connect with photovoltaic module signal.
5. the intelligent photovoltaic data collecting system of photovoltaic module as described in claim 1 and inverter, which is characterized in that described
Data collector includes the RS485 interface and/or RS232 interface with inverter communication connection.
6. the intelligent photovoltaic data collecting system of photovoltaic module as described in claim 1 and inverter, which is characterized in that described
MCU module uses Cortex-M3 kernels.
7. the intelligent photovoltaic data collecting system of photovoltaic module as described in claim 1 and inverter, which is characterized in that described
Data collector further includes bluetooth module.
8. the intelligent photovoltaic data collecting system of photovoltaic module as described in claim 1 and inverter, which is characterized in that described
Data collector further includes data memory module.
9. the intelligent photovoltaic data collecting system of photovoltaic module as claimed in claim 8 and inverter, which is characterized in that described
Data memory module includes SD card and Flash modules.
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| CN201810562024.4A CN108427356A (en) | 2018-06-04 | 2018-06-04 | A kind of intelligent photovoltaic data collecting system of photovoltaic module and inverter |
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| CN201810562024.4A CN108427356A (en) | 2018-06-04 | 2018-06-04 | A kind of intelligent photovoltaic data collecting system of photovoltaic module and inverter |
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| CN109510310A (en) * | 2018-11-30 | 2019-03-22 | 天合光能股份有限公司 | A kind of Intelligent Energy photovoltaic management system |
| CN109638878A (en) * | 2018-11-30 | 2019-04-16 | 天合光能股份有限公司 | A kind of intelligent photovoltaic component and electricity generation system with IV curved scanning function |
| CN111555461A (en) * | 2020-05-28 | 2020-08-18 | 天合光能股份有限公司 | Intelligent diagnosis system and judgment method for safety and health degree of photovoltaic power station |
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| CN109510310A (en) * | 2018-11-30 | 2019-03-22 | 天合光能股份有限公司 | A kind of Intelligent Energy photovoltaic management system |
| CN109638878A (en) * | 2018-11-30 | 2019-04-16 | 天合光能股份有限公司 | A kind of intelligent photovoltaic component and electricity generation system with IV curved scanning function |
| CN109638878B (en) * | 2018-11-30 | 2024-01-05 | 天合富家能源股份有限公司 | Intelligent photovoltaic module with IV curve scanning function and power generation system |
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| CN111555461A (en) * | 2020-05-28 | 2020-08-18 | 天合光能股份有限公司 | Intelligent diagnosis system and judgment method for safety and health degree of photovoltaic power station |
| CN111555460A (en) * | 2020-05-28 | 2020-08-18 | 天合光能股份有限公司 | Intelligent diagnosis system and judgment method for electrical performance health degree of photovoltaic power station |
| CN111555460B (en) * | 2020-05-28 | 2023-08-04 | 天合富家能源股份有限公司 | Intelligent diagnosis system and judgment method for electrical performance health degree of photovoltaic power station |
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