CN108646642A - Intelligent water power station control system based on data sharing platform and method - Google Patents
Intelligent water power station control system based on data sharing platform and method Download PDFInfo
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- CN108646642A CN108646642A CN201810790848.7A CN201810790848A CN108646642A CN 108646642 A CN108646642 A CN 108646642A CN 201810790848 A CN201810790848 A CN 201810790848A CN 108646642 A CN108646642 A CN 108646642A
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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
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to a kind of intelligent water power station control system based on data sharing platform, it is characterised in that：Including control output shared platform, several processing units, data sharing platform, electric parameter computing unit and several collecting units；Several collecting unit gathered datas are simultaneously transmitted to data sharing platform by data acquisition channel；The data sharing platform realizes data transmission by data exchange channel and several processing units；Several processing units export command channel by control and send data to control output shared platform；The electric parameter computing unit realizes data exchange by data exchange channel and data sharing platform.The application is created based on the shared intelligent small power station's control system of data and control platform, is simplified the complexity of system, be ensure that the consistency of data.
Description
Technical field
The present invention relates to small power station's control fields, and in particular to a kind of intelligent power station control based on data sharing platform
System and method processed.
Background technology
China's small hydropower resources very abundant, small power station spread all over the country 1/2 region and 1/3 counties and cities, and the whole nation is completed
Small power station 4.7 ten thousand, total installation of generating capacity up to 73,220,000 kilowatts, 228,100,000,000 kilowatt hour of annual electricity generating capacity be China's Rural economy in the mountain area
One of important infrastructure of social development and the important means of mountain bridge construction and environmental protection.
Small power station in rural, is located in remote, and maintenance management proficiency is limited；There are equipment dependabilities for most small water
The problems such as difference, high failure rate, downtime are more, water utilization rate is low；Operational management and plant maintenance heavy workload need
More operator is wanted, or even exceeds output there are many small power station in rural operating cost, results in a loss and is discarded,
In short, safety, reliability and the economy of small hydropower station operation allow of no optimist.
Invention content
In view of this, the purpose of the present invention is to provide a kind of intelligent water power stand control system based on data sharing platform
System and method, simplify the complexity of system, ensure that the consistency of data, improve the safety of small hydropower station operation and reliable
Property.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of intelligent water power station control system based on data sharing platform, it is characterised in that：It is shared flat including control output
Platform, several processing units, data sharing platform, electric parameter computing unit and several collecting units；Several collecting units are adopted
Collection data are simultaneously transmitted to data sharing platform by data acquisition channel；The data sharing platform by data exchange channel with
Several processing units realize data transmission；Several processing units export command channel by control and send data to
Control output shared platform；The electric parameter computing unit realizes that data are handed over by data exchange channel and data sharing platform
It changes.
Further, several collecting units include voltage and current data acquisition unit, water level acquisition unit, switching value
Collecting unit, temperature collecting cell, external device communication unit.
Further, several processing units include governor processing unit, protection processing unit, processing of quasi- same period list
Member, excitation processing unit and intelligentized control method Logical processing unit.
Further, the data sharing platform also connects with remote network communication unit and man-machine interface UI data respectively
It connects.
Further, control output shared platform uses independent CPU, and CPU realizes externally control according to control command
Output.All logic functional blocks are realized by sending control command to control output shared platform to whole external control
The control of output interface.The cross complementary of function can be realized by exporting all logic functional blocks of shared platform by control,
If the defencive function of part may be implemented in quasi- same period processing unit, the function of part governor may be implemented in excitation processing unit
Deng, and the control output interface additionally repeated can be increased without.
Further, the data sharing platform uses 32 bit DSP processor STM32F407.Data sharing platform is adopted
With the embedded type database system of independent research.System splits data into instantaneous sampling data, real-time running data, history curve
Data, event and warning file data.It is required according to different renewal speed and storage time requires to store data in difference
Storage medium on（Such as RAM, FRAM and FLASH）.
Further, what the data sampling channel sampled is the communication modes of 16 parallel-by-bit buses.Data acquisition channel
It is to connect data sharing platform with the data channel between each collecting unit.The characteristics of this channel is that data volume is big, communication speed
Degree is fast, and requirement of real-time is high.As voltage and current data acquisition unit sample be 9 channels voltage and current transient data, and
Sampling rate is per 25600 data of channel sampling per second.Therefore, in order to ensure the rapid communication of big data, data sampling is logical
Road using 16 parallel-by-bit buses communication modes.Each collecting unit uses the scheme point of the time-sharing multiplex with priority
Holding time with parallel bus.Parallel bus is always divided into 10 timeslices.Due to the data volume of voltage and current transient data
Maximum occupies 8 timeslices therein.The requirement of real time of switching value is high, occupies 1 timeslice therein.Other modules are shared
Remaining 1 timeslice.Data sharing platform is with each collecting unit using the communication modes of master-slave response, shared platform
Processor is the host computer communication of data acquisition channel, carries out the allocation processing of time by it and initiates data communication.
Further, the data exchange channel uses high speed SPI serial Peripheral Interface.Data exchange channel is each patrols
The channel that processing unit carries out data exchange with data sharing platform is collected, it, which needs to take into account of both real-time and big data, wants
It asks.System is required to use high speed SPI serial Peripheral Interface according to this.Spi bus system is a kind of synchronous serial Peripheral Interface,
In point-to-point communication, SPI interface need not be addressed to operate, and be full-duplex communication, it appears be simple and efficient.Multiple
From the system of device, each independent enable signal is needed from device.This system is by each Logical processing unit as from device
Part, each Logical processing unit have independent enable signal.Shared platform processor is initiated as host with modules
Data exchange.The same with data acquisition channel, each Logical processing unit uses the scheme point of the time-sharing multiplex with priority
When occupancy with spi bus.The processor of data sharing platform carries out allocation processing and the initiation of time as SPI host computer communications
Data exchange.
Further, control output command channel uses the communication mode of CAN bus.
Further, the method for the intelligent water power station control system based on data sharing platform, includes the following steps
Step S1:Collecting unit acquires related measurement data, and is transmitted to data sharing platform by data acquisition channel；
Step S2:Processing unit obtains related measurement data by data exchange channel from data sharing platform；
Step S3:Processing unit carries out analyzing processing to related measurement data, obtains handling result, and by controlling output order
Channel transfer to control exports shared platform；
Step S4:Control output shared platform is sent to unit related control device according to handling result after intelligent processing,
The interaction for completing data and control output is shared.
The present invention has the advantages that compared with prior art：
The present invention can eliminate the drawbacks of Data duplication acquisition by way of data sharing（Each function module need not be respective
Acquisition is independently gone to convert various data）, the complexity of system hardware is enormously simplified, while also ensuring the consistency of data.
By data sharing platform, each function module may be implemented the complete of data and be quickly shared, and be the reality of modules function
It is existing, provide reliable comprehensive Information base.Meanwhile also ensuring the consistency of data, reduce hardwire and maintenance work
Amount, improves system processing power and reliability.
Description of the drawings
Fig. 1 is system structure of the invention figure.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is please referred to, the present invention provides a kind of intelligent water power station control system based on data sharing platform, feature
It is：Including control output shared platform, several processing units, data sharing platform, electric parameter computing unit and several acquisitions
Unit；Several collecting unit gathered datas are simultaneously transmitted to data sharing platform by data acquisition channel；The data are total
It enjoys platform and data transmission is realized by data exchange channel and several processing units；Several processing units pass through control
Output command channel sends data to control output shared platform；The electric parameter computing unit by data exchange channel with
Data sharing platform realizes data exchange.
In one embodiment of the invention, several collecting units include voltage and current data acquisition unit, water level acquisition list
Member, switch acquisition unit, temperature collecting cell, external device communication unit.
In one embodiment of the invention, several processing units include governor processing unit, protect processing unit, is accurate same
Phase processing unit, excitation processing unit and intelligentized control method Logical processing unit.
In one embodiment of the invention, the data sharing platform also respectively with remote network communication unit and man-machine interface UI
Data connection.
In one embodiment of the invention, control output shared platform uses independent CPU, and CPU is realized according to control command
Externally control output.All logic functional blocks are realized by sending control command to control output shared platform to whole
The externally control of control output interface.The friendship of function can be realized by exporting all logic functional blocks of shared platform by control
Fork is complementary, and such as the defencive function of part may be implemented in quasi- same period processing unit, and part governor may be implemented in excitation processing unit
Function etc., and the control output interface additionally repeated can be increased without.
In one embodiment of the invention, the data sharing platform uses 32 bit DSP processor STM32F407.Data are total
Enjoy the embedded type database system that platform uses independent research.System splits data into instantaneous sampling data, real-time running data,
History curve data, event and warning file data.It is required according to different renewal speed and storage time requires to deposit data
Storage is on a different storage medium（Such as RAM, FRAM and FLASH）.
In one embodiment of the invention, what the data sampling channel sampled is the communication modes of 16 parallel-by-bit buses.Data
Acquisition channel is connection data sharing platform with the data channel between each collecting unit.The characteristics of this channel is data volume
Greatly, communication speed is fast, and requirement of real-time is high.As voltage and current data acquisition unit sample be 9 channels voltage and current it is instantaneous
Data, and sampling rate is per 25600 data of channel sampling per second.Therefore, in order to ensure the rapid communication of big data, number
According to sampling channel using the communication modes of 16 parallel-by-bit buses.Each collecting unit uses the time-sharing multiplex with priority
Scheme distribution parallel bus holding time.Parallel bus is always divided into 10 timeslices.Due to voltage and current transient data
Data volume maximum occupy 8 timeslices therein.The requirement of real time of switching value is high, occupies 1 timeslice therein.Other
Module shares remaining 1 timeslice.Data sharing platform with each collecting unit using the communication modes of master-slave response,
Shared platform processor is the host computer communication of data acquisition channel, carries out the allocation processing of time by it and initiates data communication.
In one embodiment of the invention, the data exchange channel uses high speed SPI serial Peripheral Interface.Data exchange channel
It is the channel that each Logical processing unit carries out data exchange with data sharing platform, it needs to take into account real-time and big data two
The requirement of aspect.System is required to use high speed SPI serial Peripheral Interface according to this.Spi bus system is a kind of synchronous serial
Peripheral Interface, in point-to-point communication, SPI interface need not be addressed to operate, and be full-duplex communication, it appears simple high
Effect.In multiple systems from device, each independent enable signal is needed from device.This system is by each Logical processing unit
As from device, each Logical processing unit has independent enable signal.Shared platform processor is initiated as host with each
The data exchange of a module.The same with data acquisition channel, each Logical processing unit uses the time-sharing multiplex with priority
Scheme distribution spi bus occupancy when.The processor of data sharing platform is carried out as SPI host computer communications at the distribution of time
It manages and initiates data exchange.
In one embodiment of the invention, control output command channel uses the communication mode of CAN bus.
In one embodiment of the invention, the method for the intelligent water power station control system based on data sharing platform, including with
Lower step
Step S1:Collecting unit acquires related measurement data, and is transmitted to data sharing platform by data acquisition channel；
Step S2:Processing unit obtains related measurement data by data exchange channel from data sharing platform；
Step S3:Processing unit carries out analyzing processing to related measurement data, obtains handling result, and by controlling output order
Channel transfer to control exports shared platform；
Step S4:Control output shared platform is sent to unit related control device according to handling result after intelligent processing,
The interaction for completing data and control output is shared.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification should all belong to the covering scope of the present invention.
Claims (9)
1. a kind of intelligent water power station control system based on data sharing platform, it is characterised in that：It is shared including control output
Platform, several processing units, data sharing platform, electric parameter computing unit and several collecting units；Several collecting units
Gathered data is simultaneously transmitted to data sharing platform by data acquisition channel；The data sharing platform passes through data exchange channel
Data transmission is realized with several processing units；Several processing units export command channel by data transmission by control
Shared platform is exported to control；The electric parameter computing unit realizes that data are handed over by data exchange channel and data sharing platform
It changes.
2. a kind of intelligent water power station control system based on data sharing platform according to claim 1, feature exist
In：Several collecting units include voltage and current data acquisition unit, water level acquisition unit, switch acquisition unit, temperature
Collecting unit, external device communication unit.
3. a kind of intelligent water power station control system based on data sharing platform according to claim 1, feature exist
In：Several processing units include governor processing unit, protection processing unit, quasi- same period processing unit, excitation processing list
Member and intelligentized control method Logical processing unit.
4. a kind of intelligent water power station control system based on data sharing platform according to claim 1, feature exist
In：The data sharing platform also respectively with remote network communication unit and man-machine interface UI data connections.
5. a kind of intelligent water power station control system based on data sharing platform according to claim 1, feature exist
In：The data sharing platform uses 32 bit DSP processor STM32F407.
6. a kind of intelligent water power station control system based on data sharing platform according to claim 1, feature exist
In：What the data sampling channel sampled is the communication modes of 16 parallel-by-bit buses.
7. a kind of intelligent water power station control system based on data sharing platform according to claim 1, feature exist
In：The data exchange channel uses high speed SPI serial Peripheral Interface.
8. a kind of intelligent water power station control system based on data sharing platform according to claim 1, feature exist
In：Control output command channel uses the communication mode of CAN bus.
9. a kind of method of intelligent water power station control system based on data sharing platform according to claim, special
Sign is；Include the following steps
Step S1:Collecting unit acquires related measurement data, and is transmitted to data sharing platform by data acquisition channel；
Step S2:Processing unit obtains related measurement data by data exchange channel from data sharing platform；
Step S3:Processing unit carries out analyzing processing to related measurement data, obtains handling result, and by controlling output order
Channel transfer to control exports shared platform；
Step S4:Control output shared platform is sent to unit related control device according to handling result after intelligent processing,
The interaction for completing data and control output is shared.
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| CN201810790848.7A CN108646642A (en) | 2018-07-18 | 2018-07-18 | Intelligent water power station control system based on data sharing platform and method |
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| CN201810790848.7A CN108646642A (en) | 2018-07-18 | 2018-07-18 | Intelligent water power station control system based on data sharing platform and method |
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Application publication date: 20181012 |
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