CN220933370U - Photo-thermal power station mirror field control system - Google Patents
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Abstract
The utility model belongs to the field of solar photo-thermal power generation mirror field control, and particularly relates to a photo-thermal power plant mirror field control system which comprises a mirror field monitoring management unit, an intermediate data communication network and a heliostat controller, wherein the mirror field monitoring management unit comprises a plurality of functional servers, the intermediate data communication network comprises an industrial Ethernet and AUTBUS bus network, the heliostat controller is provided with a multifunctional module for respectively realizing the functions of signal acquisition, motor driving, operation control, protection and communication, and realizing the functions of data acquisition and transmission, data processing and analysis, calculation and storage, bus network communication, information safety and the like of the heliostat. The photo-thermal power station mirror field control system has the characteristics of higher real-time performance, stability, reliability, expansibility and maintainability, so that the efficient, stable and safe operation of the whole photo-thermal power station mirror field is ensured.
Description
[ Field of technology ]
The utility model belongs to the field of solar photo-thermal power generation mirror field control, and particularly relates to a photo-thermal power station mirror field control system.
[ Background Art ]
With the popularization of photo-thermal power plant mirror field control systems, the construction of monitoring and control systems thereof has become an important subject in photo-thermal power generation projects. In modern photo-thermal power plants mirror field control systems are of great importance in the development. However, due to the scattered and random movement of the geographic position of the mirror field and the need for high-speed, reliable real-time control data stream transmission in practical control applications, the mirror field control system becomes one of the important systems for the design of the mirror field of the photo-thermal power station. In the case of gradually increasing photo-thermal power plant mirror field scale and complexity, in order to meet the needs of photo-thermal power plant mirror field control systems, it has been a necessary trend to improve the performance of photo-thermal power plant mirror field control systems.
The existing partial mirror field control system has low sampling rate; the existing bus has short communication distance, communication packet loss and poor stability; the maintenance of the field control system realized by adopting the multi-protocol and multi-layer controller is complex, so that the development and design of the field control system with high real-time, high stability, high reliability and high maintainability are necessary.
[ utility model ]
The utility model provides a photo-thermal power station mirror field control system, which aims to solve the problems of low sampling rate and poor stability of the existing mirror field control system in the prior art.
The utility model provides a photo-thermal power station mirror field control system, which comprises a mirror field monitoring management unit, an intermediate data communication network and a heliostat controller, wherein the heliostat controller is connected with the intermediate data communication network;
The lens field monitoring management unit comprises a data acquisition server;
The intermediate data communication network comprises an industrial Ethernet network and a AUTBUS communication network; the industrial Ethernet is connected to AUTBUS communication networks; the industrial Ethernet is connected with the data acquisition server;
The industrial Ethernet comprises a plurality of switches and a plurality of edge controllers, wherein the switches are connected with the edge controllers by adopting a ring network structure, and the switches are arranged in a redundancy way;
The AUTBUS communication network comprises a plurality of heliostat controller chains, wherein the heliostat controller chains are connected by a plurality of heliostat controllers in a chained mode;
the edge controller is connected with one or more heliostat controller chains, and specifically, the edge controller is connected with the heliostat controller at one end of the edge of the heliostat controller chain.
Preferably, the heliostat controller comprises a storage module, a signal acquisition module, a control unit module, a driving module, a AUTBUS bus communication module and a AUTBUS bus communication interface;
The control unit module is respectively connected with the storage module, the signal acquisition module, the driving module and the AUTBUS bus communication module; the AUTBUS bus communication module is connected with the AUTBUS bus communication interface.
Preferably, the heliostat controller further comprises a controller power supply module, and the controller power supply module is connected with the storage module, the signal acquisition module, the control unit module, the driving module and the AUTBUS bus communication module.
Preferably, the edge controller includes an ethernet fiber optic interface, an ethernet electrical interface, a clock module, a central processing unit, a memory, a AUTBUS bus module, and a AUTBUS bus interface;
the Ethernet module is respectively connected with the Ethernet optical fiber interface and the Ethernet electric interface; the central processing unit is respectively connected with the clock module, the memory and the AUTBUS bus module; the AUTBUS bus module is connected with the AUTBUS bus interface; the AUTBUS bus interface is connected with a AUTBUS bus communication interface;
AUTBUS bus modules are networked with heliostat controllers through AUTBUS bus interfaces;
The Ethernet optical fiber interface is connected with the switch;
The edge controllers are connected to each other by an ethernet electrical interface.
Preferably, the edge controller further includes AUTBUS edge control management ethernet interfaces, and the AUTBUS edge control management ethernet interfaces are connected to ethernet modules.
Preferably, the field monitoring management unit further comprises a field intelligent control algorithm server, a field monitoring server, a field data storage server, a deviation correction algorithm server, a weather server, a data acquisition server, a monitoring information network and a monitoring data network;
The intelligent control algorithm server of the lens field is connected with a monitoring information network and a monitoring data network; the lens field monitoring server is connected with a monitoring data network; the mirror field data storage server is connected with a monitoring information network and a monitoring data network; the deviation correction algorithm server is connected with a monitoring information network and a monitoring data network; the weather server is connected with a monitoring information network; the data acquisition server is connected with the monitoring data network and the intermediate data communication network.
Preferably, the heliostat controller is networked in a chained connection manner through AUTBUS bus communication interfaces.
Preferably, the connection concrete form of the heliostat controller connected with the heliostat is as follows:
the signal acquisition module is connected with a protection switch, a sensor and a zero switch of the heliostat;
the driving module is connected with the motor of the heliostat and the scram switch.
Preferably, the bandwidth of the monitoring information network and the monitoring data network is 1000Mbps; the bandwidth of the intermediate data communication network is 1000Mbps.
Preferably, the industrial Ethernet and AUTBUS communication networks employ MODBUS-TCP industrial Ethernet protocols.
The beneficial effects of the utility model are as follows:
The utility model provides a photo-thermal power station mirror field control system, which combines a mirror field monitoring management unit, an intermediate data communication network and a heliostat controller, wherein the mirror field monitoring management unit comprises a plurality of functional servers, the intermediate data communication network comprises an industrial Ethernet and AUTBUS communication networks, and the heliostat controller combines a storage module, a signal acquisition module, a control unit module and a driving module to jointly realize the functions of signal acquisition, motor driving, operation control, protection and communication, so as to ensure that the on-site control function of a heliostat is independently completed; the edge controller adopted in the intermediate data communication network is provided with an Ethernet module, a clock module, a central processing unit and a memory, so that the functions of data acquisition and transmission, data processing and analysis, calculation and storage, network communication, information safety and the like of a plurality of heliostats are realized.
The switch of the industrial Ethernet adopts redundant configuration, and the work of the whole communication network is not affected by single equipment failure. The industrial Ethernet adopts a ring network structure, wherein one node fails and is automatically converted into a chain network, so that communication is not influenced, and the reliability of the network is ensured.
The bandwidth of the industrial Ethernet of the monitoring information network, the monitoring data network and the intermediate data communication network is 1000Mbps, the bandwidth of the AUTBUS communication network 15 of the intermediate data communication network 2 is 100Mbps, the high-speed transmission of the intermediate data of the mirror field control system is ensured, the real-time performance of the system is ensured, and convenience is provided for the subsequent system expansion.
Of course, it is not necessary for any of the products embodying the utility model to achieve all of the technical effects described above at the same time.
[ Description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a photo-thermal power plant mirror field control system;
FIG. 2 is a schematic diagram of a heliostat controller;
FIG. 3 is a schematic diagram of an edge controller.
[ Detailed description ] of the invention
For a better understanding of the technical solution of the present utility model, the following detailed description of the embodiments of the present utility model refers to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Referring to fig. 1, the present utility model provides a photo-thermal power station mirror field control system, which includes a mirror field monitoring management unit 1 and an intermediate data communication network 2.
The mirror field monitoring management unit 1 comprises a mirror field intelligent control algorithm server 4, a mirror field monitoring server 5, a mirror field data storage server 6, a deviation correction algorithm server 7, a weather server 8, a data acquisition server 9, a monitoring information network 10 and a monitoring data network 11. The intelligent control algorithm server 4 of the mirror field is connected and communicated with the monitoring information network 10 and the monitoring data network 11, the monitoring server 5 of the mirror field is connected and communicated with the monitoring data network 11, the data storage server 6 of the mirror field is connected and communicated with the monitoring information network 10 and the monitoring data network 11, the deviation rectifying server 7 is connected and communicated with the monitoring information network 10 and the monitoring data network 11, the weather server 8 is connected and communicated with the monitoring information network 10, and the data acquisition server 9 is connected and communicated with the monitoring data network 11 and the intermediate data communication network 2.
The intelligent control algorithm server 4 of the mirror field is internally provided with a heliostat control algorithm and a control strategy, and is used for controlling and optimizing operation of heliostats of the mirror field; the heliostat field monitoring server 5 is used for monitoring heliostat operation parameters and issuing control instructions; the heliostat field data storage server 6 is used for storing and inquiring heliostat operation data; the deviation rectifying server 7 is used for correcting the heliostat; the meteorological server 8 is used for acquiring, analyzing, processing and other functions of field meteorological data and provides basis for an adopted operation strategy and an operation mode of a lens field; the data acquisition server 9 is used for acquiring real-time operation data of heliostats in a mirror field and sending an instruction from the mirror field monitoring server 5 to the AUTBUS heliostat controller 3 through the intermediate data communication network 2; the monitoring information communication network 10 is used for the communication of the data required by the server calculation or storage and the equipment data except for the AUTBUS heliostat controller 3; the monitoring data communication network 11 is used for communication of operation data and instruction data of the AUTBUS heliostat controller 3; the server realizes corresponding functions based on the prior art.
In a specific embodiment, the deviation correcting server 7 completes the deviation correcting work of the heliostat through a built-in heliostat deviation correcting algorithm.
The intermediate data communication network 2 includes an industrial ethernet network 14 and AUTBUS communication network 15.
The industrial Ethernet 14 comprises a plurality of switches 12 and a plurality of edge controllers 13, the industrial Ethernet 14 adopts a ring network structure, one node is failed, and the industrial Ethernet is automatically converted into a chain network without influencing communication; the reliability of the network is ensured; the switch 12 is configured with redundancy to ensure that a single device failure does not affect the operation of the entire communication network.
The AUTBUS communications network 15 includes a number of heliostat controller chains consisting of a number of heliostat controllers 3 connected in a chain-like manner by AUTBUS buses.
In a specific embodiment, the intermediate data communication network 2 adopts a MODBUS-TCP industrial ethernet protocol to implement unification of the data communication network communication protocol.
The heliostat controller 3 is shown in fig. 2, and comprises a controller power module 20, a storage module 21, a signal acquisition module 22, a control unit module 23 and a driving module 25, and AUTBUS bus communication modules 241 and AUTBUS bus communication interfaces 261; the heliostat controllers 3 are provided with a plurality of heliostat signal acquisition, control, driving and communication functions, and are connected and communicated with the AUTBUS edge controllers 13 of the intermediate data communication network 2 upwards, and are connected with the protection switches 27, the sensors 28, the zero position switches 29, the heliostat motor 30 and the emergency stop switches 31 downwards.
The controller power module 20 is connected with the storage module 21, the signal acquisition module 22, the control unit module 23 and the driving module 25; the control unit module 23 is respectively connected with the storage module 21, the signal acquisition module 22, the driving module 25 and the AUTBUS bus communication module 241; the signal acquisition module 22 is respectively connected with a sensor 28, a zero position 29 and a protection switch 27 of the heliostat; the driving module 25 is respectively connected with a heliostat motor 30 and an scram switch 31 of the heliostat; the AUTBUS bus communication module 241 is connected to the AUTBUS bus communication interface 261;
The controller power module 20 provides power to the entire controller; the storage module 21 is used for storing a calculation program and parameters of related heliostats; the signal acquisition module 22 acquires signals from the sensor 28, the zero position 29 and the protection switch 27; the control unit module 23 is used for performing calculation of the running position of the motor 30 and signal data processing of the sensor 28; the driving module 25 is configured to transmit a control signal obtained by the control unit module 23 through calculation processing to the motor 30, and alarm and protect an abnormal operation state of the motor 30; the AUTBUS bus communication modules 241 and AUTBUS bus communication interface 261 are used for bidirectional communication between the heliostat controller 3 and another heliostat controller 3 and the intermediate data communication network 2, and specifically, the heliostat controllers 3 are connected to each other and the edge controller 13 through the AUTBUS bus communication interface 261.
In one embodiment, heliostat controller 3 is connected by hard wiring to protection switch 27, sensor 28, zero switch 29, heliostat motor 30, and scram switch 31 on the heliostat.
The edge controller 13 as shown in fig. 3, the edge controller 13 supports Modbus-TCP communication protocol for managing network and communication protocols connected with devices, and specifically includes a power module 40, an ethernet fiber interface 41, an ethernet electrical interface 42, ethernet modules 43, AUTBUS, an edge control management ethernet interface 44, a clock module 45, a central processor 46, a memory 47, AUTBUS bus modules 48, and a AUTBUS bus interface.
The power module 40 is connected with the Ethernet module 43, the clock module 45, the central processing unit 46, the memory 47 and the AUTBUS bus module 48; the ethernet module 43 is respectively connected to the ethernet optical fiber interface 41, the ethernet electrical interfaces 42, AUTBUS, the edge control management ethernet interface 44 and the central processing unit 46; the central processing unit 46 is respectively connected with the clock module 45, the memory 47 and the AUTBUS bus module 48; the AUTBUS bus module 48 is connected to AUTBUS bus interface 49.
The power module 40 provides power for the whole edge controller 13, the edge controller 13 receives, sends and processes communication data with the switch 12 through the ethernet optical fiber interface 41, the edge controller 13 receives, sends and processes communication data with the switch 12 through the ethernet electrical interface 42, the ethernet module 43 is used for being responsible for realizing data communication between the central processing unit 46 and the ethernet, the AUTBUS edge control management ethernet interface 44 is used for connecting a computer when maintaining and debugging the edge controller 13, and the clock module 45 is used for providing clock signals. The central processor 46 is used for controlling the processing and forwarding of data and connecting other modules, the storage module 47 is used for storing data and programs, the AUTBUS bus module 48 is used for communication between the central processor and the AUTBUS bus, the AUTBUS bus interface 49 is used for receiving, sending and processing data among the heliostat controllers 3, and the AUTBUS bus module 48 is used for networking with the heliostat controllers 3 through the AUTBUS bus interface 49.
The edge controller 13 is connected with the switch 12 through the Ethernet optical fiber interface 41; the edge controllers 13 are connected with each other through an Ethernet electrical interface 42; the edge controller 13 is connected to the heliostat controller 3 on one end of one or several heliostat controller chains through AUTBUS bus interfaces 49, and specifically, AUTBUS bus interfaces 49 on the edge controller 13 are connected to AUTBUS bus communication interfaces 261 on the heliostat controller 3.
The utility model provides a photo-thermal power plant mirror field control system, which can improve the real-time performance, stability, reliability, expansibility and maintainability of the photo-thermal power plant mirror field control system and can adapt to various requirements of photo-thermal power plant mirror field control optimization, big data analysis and utilization, predictive maintenance and the like. The operation efficiency and the safety of the whole photo-thermal power station mirror field can be improved, and the operation and maintenance workload can be reduced. The photo-thermal power station mirror field control system combines the advantages of the industrial Ethernet and AUTBUS buses, and has the advantages of simple structure, high instantaneity, high reliability, high safety and low cost compared with the existing scheme.
In the utility model, the heliostat data acquisition server 9, the intelligent control algorithm server 4, the monitoring server 5, the data storage server 6 and the communication network among the servers are all in redundant configuration; redundant servers and redundant networks operate when either of the servers fails or one of the data communication networks fails.
The switch 12 of the industrial ethernet 14 of the present utility model is configured with redundancy such that a single device failure does not affect the operation of the entire communication network. The industrial Ethernet 14 adopts a ring network structure, wherein one node fails and is automatically converted into a chain network, so that communication is not affected; the reliability of the network is ensured.
In the utility model, only an industrial Ethernet protocol of MODBUS-TCP is adopted in the intermediate data communication network 2, and the communication protocol is one network to the bottom, so that the difficulty and the workload of operation and maintenance can be greatly reduced.
The edge controller 13 provided by the utility model is a AUTBUS edge controller developed based on AUTBUS buses, and has the functions of data acquisition and transmission, data processing and analysis, calculation and storage, network communication, information security and the like of a plurality of heliostats.
The AUTBUS heliostat controller developed based on AUTBUS bus design has the functions of signal acquisition, motor driving, operation control, protection and communication, and can independently complete the on-site control function of the heliostat.
The bandwidth of the industrial ethernet 14 of the monitoring information network 10, the monitoring data network 11 and the intermediate data communication network 2 of the present utility model is 1000Mbps, and the bandwidth of the AUTBUS communication network 15 of the intermediate data communication network 2 is 100Mbps. Therefore, the high-speed transmission of the data in the mirror field control system is ensured, the real-time performance of the system is ensured, and convenience is provided for the subsequent system expansion.
The photo-thermal power station mirror field control system provided by the embodiment of the application is described in detail. The above description of embodiments is only for aiding in the understanding of the method of the present application and its core ideas; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As referred to throughout the specification and claims, the terms "comprising," including, "and" includes "are intended to be interpreted as" including/comprising, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect. The description hereinafter sets forth a preferred embodiment for practicing the application, but is not intended to limit the scope of the application, as the description is given for the purpose of illustrating the general principles of the application. The scope of the application is defined by the appended claims.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.
It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
While the foregoing description illustrates and describes the preferred embodiments of the present application, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as expressed herein, either as a result of the foregoing teachings or as a result of the knowledge or technology of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the application are intended to be within the scope of the appended claims.
Claims (10)
1. The photo-thermal power station mirror field control system is characterized by comprising a mirror field monitoring management unit, an intermediate data communication network and a heliostat controller;
The lens field monitoring management unit comprises a data acquisition server;
The intermediate data communication network comprises an industrial Ethernet network and a AUTBUS communication network; the industrial Ethernet is connected to AUTBUS communication networks; the industrial Ethernet is connected with the data acquisition server;
The industrial Ethernet comprises a plurality of switches and a plurality of edge controllers, wherein the switches are connected with the edge controllers by adopting a ring network structure, and the switches are arranged in a redundancy way;
The AUTBUS communication network comprises a plurality of heliostat controller chains, wherein the heliostat controller chains are connected by a plurality of heliostat controllers in a chained mode;
The edge controller is connected with one or more heliostat controller chains.
2. The photo-thermal power plant mirror field control system of claim 1, wherein the heliostat controller comprises a storage module, a signal acquisition module, a control unit module, a drive module, a AUTBUS bus communication module, and a AUTBUS bus communication interface;
The control unit module is respectively connected with the storage module, the signal acquisition module, the driving module and the AUTBUS bus communication module; the AUTBUS bus communication module is connected with the AUTBUS bus communication interface.
3. The photo-thermal power plant mirror field control system of claim 2, wherein the heliostat controller further comprises a controller power module, the controller power module being coupled to the storage module, the signal acquisition module, the control unit module, the drive module, and the AUTBUS bus communication module.
4. The photo-thermal power plant mirror field control system of claim 2, wherein the edge controller comprises an ethernet module, an ethernet fiber interface, an ethernet electrical interface, a clock module, a central processor, a memory, a AUTBUS bus module, and a AUTBUS bus interface;
the Ethernet module is respectively connected with the Ethernet optical fiber interface and the Ethernet electric interface; the central processing unit is respectively connected with the clock module, the memory and the AUTBUS bus module; the AUTBUS bus module is connected with the AUTBUS bus interface; the AUTBUS bus interface is connected with a AUTBUS bus communication interface;
AUTBUS bus modules are networked with heliostat controllers through AUTBUS bus interfaces;
The Ethernet optical fiber interface is connected with the switch;
The edge controllers are connected to each other by an ethernet electrical interface.
5. The photo-thermal power plant mirror field control system of claim 4, wherein the edge controller further comprises AUTBUS edge control management ethernet interfaces, the AUTBUS edge control management ethernet interfaces being connected to ethernet modules.
6. The photo-thermal power station mirror field control system according to claim 1, wherein the mirror field monitoring management unit further comprises a mirror field intelligent control algorithm server, a mirror field monitoring server, a mirror field data storage server, a deviation correction algorithm server, a meteorological server, a data acquisition server, a monitoring information network and a monitoring data network;
The intelligent control algorithm server of the lens field is connected with a monitoring information network and a monitoring data network; the lens field monitoring server is connected with a monitoring data network; the mirror field data storage server is connected with a monitoring information network and a monitoring data network; the deviation correction algorithm server is connected with a monitoring information network and a monitoring data network; the weather server is connected with a monitoring information network; the data acquisition server is connected with the monitoring data network and the intermediate data communication network.
7. The photo-thermal power plant field control system of claim 2, wherein the heliostat controllers are networked in a chained connection via AUTBUS bus communication interfaces.
8. The photo-thermal power plant mirror field control system of claim 2, wherein the connection of the heliostat controller to the heliostat is in the form of:
the signal acquisition module is connected with a protection switch, a sensor and a zero switch of the heliostat;
the driving module is connected with the motor of the heliostat and the scram switch.
9. A photo-thermal power plant mirror field control system as defined in claim 6, wherein the bandwidth of the monitoring information network and the monitoring data network is 1000Mbps; the bandwidth of the intermediate data communication network is 1000Mbps.
10. A photo-thermal power plant mirror field control system as defined in claim 1, wherein the industrial ethernet network and AUTBUS communications network employ MODBUS-TCP industrial ethernet protocol.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322597654.4U CN220933370U (en) | 2023-09-22 | 2023-09-22 | Photo-thermal power station mirror field control system |
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| CN202322597654.4U CN220933370U (en) | 2023-09-22 | 2023-09-22 | Photo-thermal power station mirror field control system |
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