CN202261650U - Monitoring system for heliostat field of tower-type solar power plant - Google Patents
Monitoring system for heliostat field of tower-type solar power plant Download PDFInfo
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- CN202261650U CN202261650U CN2011204236570U CN201120423657U CN202261650U CN 202261650 U CN202261650 U CN 202261650U CN 2011204236570 U CN2011204236570 U CN 2011204236570U CN 201120423657 U CN201120423657 U CN 201120423657U CN 202261650 U CN202261650 U CN 202261650U
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- heliostat
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Abstract
The utility model discloses a monitoring system for a heliostat field of a tower-type solar power plant, which comprises a plant control unit and at least one field control unit. The field control unit comprises heliostat controllers and distributed control system (DCS) subsystems, wherein the heliostat controllers are connected with the DCS subsystems through a field bus; and the DCS subsystems of all the field control units are connected with the plant control unit through an industrial Ethernet. The monitoring system for the heliostat field of the tower-type solar power plant fully considers the monitoring specificity of a heliostat, and has the advantages of rich functions, reliable work, simple network structure, quick communication and the like.
Description
Technical field
The utility model belongs to solar power generation monitoring field, is specifically related to the supervisory control system of heliostat field in the power station.
Background technology
The tower type solar energy thermal power generation station is also referred to as heat dump formula solar energy thermal-power-generating station, center, is a kind of large-scale solar power system.This power station is that heat dump (one-sided receive light or receive light all around) is placed the top that receives tower, and heliostat field (heliostat array) according to the heat dump type, be arranged in receive tower around or a side.Heliostat through supervisory control system from the motion tracking sun, with the sunlight vernier focusing in the heat dump window.Working media produces high temperature refrigerant in the solar radiant energy heating heat dump, driving steam turbine group or gas turbine set generating.The tower type solar energy thermal power generation station has that scale is big, thermal losses is little, optically focused is than characteristics such as big, temperature height, and its technical feasibility and economic feasibility all are superior to dish formula system and slot type system, is minimum a kind of of cost of electricity-generating in the solar heat power generation system.
In the tower type solar energy thermal power generation station, the heliostat One's name is legion, for example: there are 40 m in the U.S. in the Solar One power station
21 818 of heliostats; 1 926 of the total heliostats in Solar Two power station, wherein 40 m
21 818 of heliostats, 95 m
2108 of heliostats; The Jing Chang in the EURELIOS power station of the European Community has 182 32 m
2Heliostat; There are 624 121 m in Spain PS10 power station
2Large-scale heliostat; Solar Tres has 96 m in the power station
22 493 of heliostats.
Every heliostat in these large-scale mirror fields; All have a large amount of tracking datas and running status need with the supervisory control comuter real-time communication; The control command and the tracking target value of sending heliostat in real time like supervisory control comuter, and heliostat returns real time datas such as current running status, absolute position, trace point information, electric machine operation state, fault message.For the heliostat farm monitoring system; How to ensure real time of data transmission, rapidity; And the luminous power of heliostat field control and optimized dispatching, directly have influence on safe operation, the tracking accuracy of heliostat and the generating efficiency in the light gathering efficiency of whole Jing Chang and power station.
At present; The fault that existing heliostat farm monitoring system the has been ignored heliostat function that reports an error; And the real-time of the data communication of whole Jing Chang and rapidity do not given take into full account; Thereby cause system monitoring network bulky complex, safeguard that inconvenience, communication failure take place frequently, and can't accurately investigate and locate after breaking down.In addition, the heliostat farm monitoring system need be controlled mirror field luminous power in real time, and this also is that present supervisory control system is short of.
Summary of the invention
The utility model has overcome the deficiency in the existing supervisory control system, takes into full account the real-time of heliostat field operation and the scheduling feature of rapidity requirement and Jing Chang, has designed a kind of heliostat farm monitoring system that is applied to solar power tower.
In order to achieve the above object, the utility model provides a kind of solar power tower heliostat farm monitoring system, comprises factory's station control unit and at least one local control unit.Local control unit comprises heliostat controller and DCS subsystem, and the heliostat controller links to each other with the DCS subsystem through fieldbus; The DCS subsystem of each local control unit links to each other through EPA and factory station control unit respectively.Above-mentioned fieldbus is RS232, RS485, RS422, CANbus or ProfiBus.
Wherein, factory station control unit comprises supervisory control comuter (operator station), engineer station, fault alarm work station, weather station, real time data server and heliostat hot spot acquisition server.
Each local control unit links to each other through the supervisory control comuter of its DCS subsystem and factory station control unit respectively.Other each control sections of engineer station and whole solar power station link to each other.
Factory station control unit also comprise the video server, WEB server and the GPS that are connected into above-mentioned EPA to the time device.
Local control unit also comprises stand-by power supply.
The utility model is compared prior art and is had the following advantages:
1, adopt local control unit and factory station control unit to carry out terrain level, factory's station level two-stage control.When heliostat is in terrain control; Receive only the control and the dispatching command of local control unit issue; Operation information and data from local control unit can only be gathered, kept watch on to factory's station level; Can not directly carry out Long-distance Control and operation, guarantee the priority of terrain control thus local control unit.
2, be responsible for the fault judgement and the troubleshooting measure prompting of heliostat through the fault alarm work station.Utilize heliostat hot spot acquisition server to gather the heliostat hot spot situation on the heat dump receiving plane simultaneously, carry out the analysis of heat dump energy-flux density, the calibration of heliostat light spot shape and tracking accuracy and measure.
3, utilize the WEB server to realize the remote inquiry of heliostat field operation information, comprise the graphical demonstration of status monitoring trend, and generate correlation analysis report and form.Adopt GPS that fashionable dress is changed to factory station control unit simultaneously serial clock information be provided, and for local control unit provide to the time signal.
Description of drawings
Fig. 1 is the utility model heliostat farm monitoring system network structure.
Among the figure, 1-local control unit, 2-factory station control unit, 201-supervisory control comuter; The 202-engineer station, 203-fault alarm work station, 204-weather station, 205-real time data server; 206-heliostat hot spot acquisition server, 207-video server, 208-WEB server; 209-GPS to the time device, 3-router, 4-long-distance user.
Embodiment
Below in conjunction with accompanying drawing the utility model solar power tower heliostat farm monitoring system is elaborated.
Solar power tower heliostat farm monitoring system comprises local control unit 1 and factory's station control unit 2, and its monitor network structure is as shown in Figure 1.Because settled date dressing table number is numerous, and is for making things convenient for the grouping centralized monitor, that Jing Chang is every
NThe platform heliostat is divided into one group (altogether
MGroup), the DCS subsystem connects and composes local control unit 1 with this group heliostat controller through fieldbus in every group, and each local control unit 1 links to each other through EPA and the factory control unit 2 of standing again.
Heliostat controller configuration corresponding operating panel; Comprise " terrain/long-range " control its switch, " fast shelves/low or first gear " diverter switch, emergency button (being used for the heliostat emergency processing of special circumstances), limit switch, Electric Machine Control button, and leave the field-bus interface with the DCS subsystem communication.
Local control unit 1 is followed successively by terrain level, factory's station level with the priority of factory's station control unit 2 control modes.In " terrain/long-range " switching controls, when switch was positioned at " terrain " position, local control unit received only control and the dispatching command through issues such as terrain console switch, buttons; This moment, operation information and data from local control unit can only be gathered, kept watch on to factory station level, can not directly carry out Long-distance Control and operation to local control unit.
The heliostat controller receives control command and tracking target Value Data in real time; Drive heliostat and arrive tracing positional, and the running status of heliostat, absolute position, trace point information, each electric machine operation state, fault message etc. are back to factory's station control unit in real time.Local control unit is furnished with stand-by power supply, when power breakdown takes place Jing Chang, by stand-by power supply heliostat is withdrawn to home.
Factory station control unit 2 comprise supervisory control comuter (operator station) 201, engineer station 202, fault alarm work station 203, weather station 204, real time data server 205, heliostat hot spot acquisition server 206, video server 207, WEB server 208, GPS to the time device 209.Each part of factory's station control unit 2 all links to each other through EPA.
Factory's station control unit 2 has following function:
Controlled function: supervisory control comuter 201 is sent to local control unit 1 with control command and control data according to solar energy moving law, heliostat field longitude and latitude, time zone of living in, calculate the tracking target value of every heliostat in real time with parameter such as heat dump geometry of position relation.Control command comprises: holding point is followed the tracks of, the debugging target is followed the tracks of, receiving target is followed the tracks of, return the initial point order, return the cleaning dot command.In addition, supervisory control comuter arrives reasonable attitude according to weather station 204 real-time meteorological data (comprising wind speed, wind direction, temperature, air pressure, humidity, solar irradiance DNI, visibility) the control heliostats of gathering the power station.Like 8 grades of big wind conditions, then heliostat is packed up and set level protection, reduce wind load.
Scheduling feature: engineer station's 202 other control sections of coordination power station and monitoring heat dump running status, calculate mirror place light requirement power, according to mirror field distribution situation heliostat is carried out rational management.Like the overheated emergency that waits of heat dump, provide withdrawing in proper order and quantity of heliostat.
Function for monitoring: supervisory control comuter 201 is arranged the running status that shows every heliostat in real time according to Jing Chang, and running status mainly comprises: be in initial point, be in and clean in point, holding point tracking, the tracking of debugging target, receiving target tracking, fault, the operation debugging.Can inquire about and browse the coordinate position of each heliostat in the mirror field, running status, historical control operation, process historical data etc. in the monitoring interface.In addition, system can call real time data server 205 and utilize forms such as chart, image that historical data is intuitively shown, for example can check the daylong tracking tendency chart of separate unit heliostat, thereby observes tracking effect.
Data acquisition and memory function: real time data server 205 is gathered the real-time running data of heliostat field and store, so that later stage processed offline and inquiry, for the fault judgement and the data analysis of heliostat provides foundation.
Fault alarm function: according to heliostat field return data situation and network communication state, fault alarm work station 203 judges whether heliostat breaks down or network failure do not occur, and provides malfunction elimination and treatment measures.
Hot spot is gathered and error correcting function: heliostat hot spot acquisition server 206 is taken heat dump receiving plane hot spot situation, and is irregular for hot spot, do not form sub-circular hot spot situation, then the heliostat reflecting surface calibrated.In addition, for the heliostat of long-time running, because the tracking accuracy decline situation that factors such as installation accuracy and mechanical strength cause is carried out the tracking error of heliostat and proofreaied and correct through the hot spot collection.
Video acquisition and remote inquiry function: the tracking video of video server 207 BR heliostat fields; WEB server 208 is connected into the internet through router three; Long-distance user 4 can realize the remote inquiry of heliostat field operation information through WEB server 208; Comprise the graphical demonstration of status monitoring trend, and generate correlation analysis report and form.
GPS to the time device 209 for factory station control unit 2 serial clock information is provided, and for local control unit 1 provide to the time signal.
Claims (9)
1. solar power tower heliostat farm monitoring system is characterized in that: comprise factory's station control unit and at least one local control unit; Said local control unit comprises heliostat controller and DCS subsystem; Said heliostat controller links to each other with the DCS subsystem through fieldbus; The DCS subsystem of said each local control unit links to each other through EPA and factory station control unit respectively.
2. solar power tower heliostat farm monitoring system according to claim 1 is characterized in that: said factory station control unit comprises through the interconnective supervisory control comuter of EPA, engineer station, fault alarm work station, weather station, real time data server and heliostat hot spot acquisition server.
3. solar power tower heliostat farm monitoring system according to claim 2 is characterized in that: said each local control unit links to each other through the supervisory control comuter of its DCS subsystem and factory station control unit respectively.
4. according to claims 2 described solar power tower heliostat farm monitoring systems, it is characterized in that: said factory station control unit also comprises video server; Said video server inserts said EPA.
5. solar power tower heliostat farm monitoring system according to claim 2 is characterized in that: said factory station control unit also comprises the WEB server; Said WEB server inserts said EPA.
6. solar power tower heliostat farm monitoring system according to claim 2 is characterized in that: said factory station control unit also comprise GPS to the time device; Said GPS to the time device insert said EPA.
7. solar power tower heliostat farm monitoring system according to claim 2 is characterized in that: other each control sections of said engineer station and said solar power station link to each other.
8. solar power tower heliostat farm monitoring system according to claim 1 and 2 is characterized in that: said fieldbus is RS232, RS485, RS422, CANbus or ProfiBus.
9. solar power tower heliostat farm monitoring system according to claim 1 and 2, it is characterized in that: said local control unit also comprises stand-by power supply.
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| CN2011204236570U CN202261650U (en) | 2011-11-01 | 2011-11-01 | Monitoring system for heliostat field of tower-type solar power plant |
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| CN2011204236570U CN202261650U (en) | 2011-11-01 | 2011-11-01 | Monitoring system for heliostat field of tower-type solar power plant |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929298A (en) * | 2012-11-22 | 2013-02-13 | 宁夏光合能源科技有限公司 | Tower-type solar heat collection heliostat field control system based on multi-layer architecture |
| CN103019193A (en) * | 2013-01-22 | 2013-04-03 | 南京中德保护控制***有限公司 | Monitoring control method of multi-type steering supports in photovoltaic power station |
| CN103217957A (en) * | 2013-03-27 | 2013-07-24 | 中国电力工程顾问集团西北电力设计院 | Heliostat field control system of tower type solar power plant |
| CN104122870A (en) * | 2014-07-27 | 2014-10-29 | 湖南三箭自控科技有限公司 | Multi-controller DCS (Distributed Control System) control system and control method thereof |
| CN104571139A (en) * | 2014-11-19 | 2015-04-29 | 河北省电力勘测设计研究院 | Control system of heliostat field instrument |
| CN105204396A (en) * | 2015-09-06 | 2015-12-30 | 上海齐耀动力技术有限公司 | Intelligent monitoring system suitable for dish-type Stirling generator set module |
| CN105241092A (en) * | 2015-10-30 | 2016-01-13 | 东方电气集团东方锅炉股份有限公司 | Concentrator field control system of photothermal power station and implementation method of concentrator field control system |
| CN105259919A (en) * | 2015-10-13 | 2016-01-20 | 浙江中控太阳能技术有限公司 | Heliostat field |
| CN105652843A (en) * | 2016-03-22 | 2016-06-08 | 黄钰雪 | DCS control protection system for producing yellow phosphorus in circular and clean mode |
| CN106625567A (en) * | 2017-02-10 | 2017-05-10 | 中国东方电气集团有限公司 | Mobile robot for dangerous chemical solution extraction |
| CN106737556A (en) * | 2017-02-10 | 2017-05-31 | 中国东方电气集团有限公司 | A kind of danger solution extraction system based on mobile robot |
| CN109857153A (en) * | 2019-01-30 | 2019-06-07 | 青岛鸿瑞电力工程咨询有限公司 | Tower type solar power station heliostat dispatching method |
| US10916843B1 (en) | 2019-10-29 | 2021-02-09 | Terrance O'Brien Woodbridge | Method and system to reduce the impact of electromagnetic pulses on cellular tower sites |
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2011
- 2011-11-01 CN CN2011204236570U patent/CN202261650U/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102929298B (en) * | 2012-11-22 | 2015-06-24 | 宁夏光合能源科技有限公司 | Tower-type solar heat collection heliostat field control system based on multi-layer architecture |
| CN102929298A (en) * | 2012-11-22 | 2013-02-13 | 宁夏光合能源科技有限公司 | Tower-type solar heat collection heliostat field control system based on multi-layer architecture |
| CN103019193A (en) * | 2013-01-22 | 2013-04-03 | 南京中德保护控制***有限公司 | Monitoring control method of multi-type steering supports in photovoltaic power station |
| CN103217957A (en) * | 2013-03-27 | 2013-07-24 | 中国电力工程顾问集团西北电力设计院 | Heliostat field control system of tower type solar power plant |
| CN103217957B (en) * | 2013-03-27 | 2015-05-27 | 中国电力工程顾问集团西北电力设计院有限公司 | Heliostat field control system of tower type solar power plant |
| CN104122870A (en) * | 2014-07-27 | 2014-10-29 | 湖南三箭自控科技有限公司 | Multi-controller DCS (Distributed Control System) control system and control method thereof |
| CN104571139A (en) * | 2014-11-19 | 2015-04-29 | 河北省电力勘测设计研究院 | Control system of heliostat field instrument |
| CN105204396B (en) * | 2015-09-06 | 2020-09-22 | 上海齐耀动力技术有限公司 | Intelligent monitoring system suitable for dish formula stirling generator group module |
| CN105204396A (en) * | 2015-09-06 | 2015-12-30 | 上海齐耀动力技术有限公司 | Intelligent monitoring system suitable for dish-type Stirling generator set module |
| CN105259919A (en) * | 2015-10-13 | 2016-01-20 | 浙江中控太阳能技术有限公司 | Heliostat field |
| CN105241092A (en) * | 2015-10-30 | 2016-01-13 | 东方电气集团东方锅炉股份有限公司 | Concentrator field control system of photothermal power station and implementation method of concentrator field control system |
| CN105652843B (en) * | 2016-03-22 | 2018-04-24 | 黄钰雪 | Yellow phosphorus circulates the DCS Control protection systems of clean manufacturing |
| CN105652843A (en) * | 2016-03-22 | 2016-06-08 | 黄钰雪 | DCS control protection system for producing yellow phosphorus in circular and clean mode |
| CN106625567A (en) * | 2017-02-10 | 2017-05-10 | 中国东方电气集团有限公司 | Mobile robot for dangerous chemical solution extraction |
| CN106737556A (en) * | 2017-02-10 | 2017-05-31 | 中国东方电气集团有限公司 | A kind of danger solution extraction system based on mobile robot |
| CN109857153A (en) * | 2019-01-30 | 2019-06-07 | 青岛鸿瑞电力工程咨询有限公司 | Tower type solar power station heliostat dispatching method |
| CN109857153B (en) * | 2019-01-30 | 2021-10-29 | 青岛鸿瑞电力工程咨询有限公司 | Method for scheduling heliostats of tower-type solar power station |
| US10916843B1 (en) | 2019-10-29 | 2021-02-09 | Terrance O'Brien Woodbridge | Method and system to reduce the impact of electromagnetic pulses on cellular tower sites |
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Granted publication date: 20120530 |