CN103713648B - A kind of heliostat control method - Google Patents
A kind of heliostat control method Download PDFInfo
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- CN103713648B CN103713648B CN201310725285.0A CN201310725285A CN103713648B CN 103713648 B CN103713648 B CN 103713648B CN 201310725285 A CN201310725285 A CN 201310725285A CN 103713648 B CN103713648 B CN 103713648B
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Abstract
Present invention aim at providing a kind of heliostat control method, realize multiple heliostats in whole heliostat field and share power supply and can be from lock control, thus solve the problem of control system of heliostat sexual valence when reliability, avoid the problem that mirror field electronic unit is too much and difficult in maintenance simultaneously.This heliostat control method comprises the following steps: step S1: multiple heliostat controllers are arranged instrument by address and carry out address configuration, and are grouped arrangement according to certain rules；Step S2: after address configuration completes, heliostat controller receives the solar tracking data that host computer timesharing issues successively, makes the heliostat of correspondence perform solar tracking action；Step S3: complete the heliostat of a solar tracking action, realizes the locking of heliostat position by the way of self-locking.
Description
Technical field
The present invention relates to tower type solar power field, particularly relate to a kind of heliostat control method.
Background technology
Solar energy is more and more applied as the regenerative resource of a kind of cleaning, and especially photo-thermal power generation technology is the later emerging solar utilization technique of photovoltaic power generation technology that continues.In several photo-thermal power generation technology, tower type solar energy thermal power generation is to use substantial amounts of heliostat to be gathered by sunlight on the heat extractor being arranged on heat absorption tower top, and heating working medium produces steam, and pushing turbine drives electrical power generators.Wherein, heliostat solar tracking campaign is one of key technology of tower type solar energy thermal power generation, and whole heliostat field is made up of thousands of heliostats, and heliostat is mainly made up of with follower plane mirror.Wherein, every heliostat is all controlled by a heliostat controller, has independent tracking system, decentralised control.Every heliostat has a fixing address in whole mirror station control system, to distinguish the heliostat of diverse location, needs to carry out every heliostat according to its physical location the setting of address when Jing Chang designs.Wherein, whole mirror station control system needs use Switching Power Supply to provide electric energy for heliostat controller, 1 power supply is all configured if often organizing heliostat controller, the quantity so needing Switching Power Supply will be bigger, not only affect the cost performance of whole mirror station control system, in view of Switching Power Supply reliability in electronic unit, it is desirable to provide the heliostat control method that relatively reliable cost performance is high meets the demand of heliostat solar tracking.
Simultaneously, heliostat only has the minority time in motion every day during following the tracks of the sun, other times are at resting state, within in the most per minute the most several seconds, moving, when heliostat is static, heliostat is locked by self-locking device to be passed through, traditional heliostat driving device realizes self-locking by having the mechanical part of self-lock ability inside it, the transmission efficiency of whole frame for movement is the lowest, general 20% ~ 30%, and low efficiency, make heliostat need to consume more electric energy to obtain specified moment when rotating.
Summary of the invention
Present invention aim at providing a kind of heliostat control method, realize multiple heliostats in whole heliostat field and share power supply and can be from lock control, thus solve the problem of control system of heliostat sexual valence when reliability, avoid the problem that mirror field electronic unit is too much and difficult in maintenance simultaneously.
A kind of heliostat control method, comprises the following steps:
Step S1: multiple heliostat controllers are arranged instrument by address and carry out address configuration, and are grouped arrangement according to certain rules；
Step S2: after address configuration completes, heliostat controller receives the solar tracking data that host computer timesharing issues successively, makes the heliostat of correspondence perform solar tracking action；
Step S3: complete the heliostat of a solar tracking action, realizes the locking of heliostat position by the way of self-locking.
It is also preferred that the left address configuration is to arrange instrument by address, communicate wirelessly with the wireless communication interface in heliostat controller, heliostat is carried out address setting.
It is also preferred that the left heliostat address arranges the power of instrument for being automatically adjusted, it is ensured that only one of which heliostat controller and address arrange instrument and carry out communication simultaneously.
It is also preferred that the left the mode of wireless telecommunications includes infrared communication, WIFI, bluetooth, ZIGBEE and the mode of all 2.4G and 433MHz frequencies.
It is also preferred that the left making the heliostat of correspondence perform solar tracking action is that timesharing is carried out, including: by single supply, many group heliostat controllers are carried out time sharing power supply, reduce the whole system demand to power supply.
Preferably, single supply carries out time sharing power supply to many group heliostat controllers, including: set synchronization and only have one group of heliostat controller controlling corresponding heliostat execution solar tracking action, the solar tracking motor of the heliostat controller of this group rotates, the solar tracking motor of the heliostat controller of other groups does not rotates, but performs to wait solar tracking order, and it is complete that the heliostat waiting this group heliostat controller to control correspondence performs solar tracking action, next group proceeds by again, and order is scheduling by host computer；
Concrete execution step is as follows:
Solar tracking data, according to current time, are issued first group of heliostat controller by a, host computer；
B, first group of heliostat controller receive solar tracking data, then the switch Guan Bi of first group of heliostat controller, and corresponding solar tracking motor rotates, and corresponding heliostat performs solar tracking action；
The heliostat that c, first group of heliostat controller are corresponding performs after solar tracking action completes, and it switches off, and host computer issues solar tracking data to next group heliostat controller, and the switch Guan Bi that next group heliostat controller is corresponding, corresponding heliostat performs solar tracking action；
D, the like, until last organizes heliostat corresponding to heliostat controller completes solar tracking action, thus realize the solar tracking action of the heliostat that many group heliostat controllers are powered by same power supply.
It is also preferred that the left the mode of self-locking includes electronics self-locking, it is used for improving the transmission efficiency of whole heliostat.
It is also preferred that the left the mode of electronics self-locking includes: when heliostat rotates, the rated current required for electric machine controller output drives solar tracking motor；When heliostat stops needing locking, by motor internal coil by electrical switch short circuit, solar tracking motor self-characteristic is utilized to lock.
By the way of controlling electronics, realize self-locking behind heliostat turned position of the present invention, be used for improving the transmission efficiency of whole heliostat.
The invention has the beneficial effects as follows:
(1) in mirror field, thousands of heliostat address arranges the custom-designed address of employing and arranges instrument, makes heliostat be not required to consider heliostat address and the relation of position when installing, also reduces the workload that later stage address is arranged；
(2) in mirror field, thousands of heliostat is powered and is used the mode of packet power supply, and combines the feature of heliostat timesharing action, it is possible to reduce power consumption, improves the utilization ratio of power supply；
(3) when heliostat turns to the solar tracking position designed, using and electronically realize locking, can liberate the demand of drive mechanism self-locking, improve transmission efficiency further, transmission efficiency can bring up to more than 60%, reduces energy resource consumption, improves system whole efficiency.
Accompanying drawing explanation
Fig. 1 is heliostat controller address configuration mode flow chart of the present invention；
Fig. 2 is the heliostat structure diagram that the present invention electronically locks；
Fig. 3 is the principle schematic of heliostat electronic locking of the present invention；
Fig. 4 is the explanation schematic diagram realizing multiple heliostats single supply Time-sharing control in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, illustrate the present invention.
As shown in Figure 1, heliostat controller address configuration mode flow chart of the present invention, its detailed description of the invention is: heliostat controller and address are arranged a piece of chip for short-distance wireless communication on instrument, can use non-contacting mode at the scene, heliostat is carried out address setting.According to the spacing of heliostat, typically requiring the transmission range of wireless telecommunications less than 0.5m, to prevent when certain heliostat carrying out address and arranging, around other heliostats receive address date and maloperation.Arranged by address, each heliostat controller can be made to have a fixing address, it is simple to heliostat be managed and control, and being grouped arrangement according to certain rules.
After address configuration completes, heliostat controller receives the solar tracking data that host computer timesharing issues successively, makes the heliostat of correspondence perform solar tracking action；Complete the heliostat of a solar tracking action, by the way of self-locking, realize the locking of heliostat position
Wireless communication mode in the present invention includes but not limited to herein below: the mode communication of infrared communication, WIFI, bluetooth, ZIGBEE and other 2.4G and 433MHz frequencies.
By such address set-up mode, can simplify during on-the-spot heliostat installation erection sequence and the requirement of installation site, also simplify on-the-spot heliostat address arranges work simultaneously, it is not necessary to the electric box opening heliostat controller carries out hardware dial-up or carries out address setting by modes such as hardwire communications.
When being embodied as, it is desirable to first heliostat controller is powered on, to ensure that heliostat controller can externally communication.Artificial hand-held heliostat address arranges the close heliostat that need to arrange address of instrument, and the distance between heliostat need to meet claimed below:
1) address arranges controller and the heliostat normal communication needing to arrange address；
2) heliostat being not required to arrange address will not receive communication information.
Address arranges instrument need to set up communication prior to carrying out the heliostat of address setting, address arranges instrument and address information is sent to heliostat controller afterwards, the information being provided with replied by heliostat controller after being provided with, arrange in address and show address configuring condition on instrument.
As shown in Figure 2 and Figure 3, the detailed description of the invention locked by electronically realizing heliostat position in the present invention is: when heliostat 1 rotates, electric machine controller 4 exports required rated current to drive motor 2；When heliostat 1 stops needing locking, by controlling motor internal coil 3 by electrical switch short circuit (Q1 and Q3 is open-minded, Q2 and Q4 by), motor self-characteristic is utilized to pin whole actuating device.Heliostat controller is provided electric energy or the timesharing successively of other power supplys to provide electric energy by power supply 5 timesharing successively of single tower type solar generating equipment, and the present invention does not limits.
As shown in Figure 4, in the present invention, the detailed description of the invention of multiple heliostats single supply time sharing power supply illustrates with instantiation.Such as, the Switching Power Supply of 1 200W capacity is powered to eight groups of heliostat controllers, setting synchronization only has one group of heliostat controller controlling corresponding heliostat execution solar tracking action, solar tracking motor rotates, the solar tracking motor of other seven groups of heliostat controllers does not rotates, but can wait solar tracking order, waits until that upper one group of heliostat controller is finished, next group proceeds by again, and the concrete order performing solar tracking is scheduling by host computer.
Concrete execution step is as follows:
Host computer, according to current time, solar tracking data (such as: the angle that heliostat rotates) will issue first group of heliostat controller；
First group of heliostat controller receives solar tracking data, then K1 opens, and solar tracking motor rotates, and first group of heliostat performs solar tracking action；
After upper one group of heliostat order has performed, K1 closes, and host computer issues solar tracking data to second group of heliostat, and K2 opens second group of heliostat and performs solar tracking action,
The like, it is achieved the execution solar tracking action that many group heliostats are powered by same power supply.
By above step, whole heliostat controller system just can use separate unit Switching Power Supply to be powered, thus reduce Switching Power Supply cost and improve the reliability of system.
The preferred embodiment of the present invention is only intended to help to illustrate the present invention.Preferred embodiment does not has all of details of detailed descriptionthe, is not intended to the detailed description of the invention that this invention is only described yet.Obviously, according to the content of this specification, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is to preferably explain the principle of the present invention and actual application, so that skilled artisan can utilize the present invention well.
Claims (6)
1. a heliostat control method, it is characterised in that comprise the following steps:
Step S1: multiple heliostat controllers are arranged instrument by address and carry out address configuration, and according to certain rules
Packet arrangement；
Step S2: after address configuration completes, heliostat controller receives the solar tracking that host computer timesharing issues successively
Data, make the heliostat of correspondence perform solar tracking action；
Step S3: complete the heliostat of a solar tracking action, realizes heliostat position lock by the way of self-locking
Fixed；
It is that timesharing is carried out that the described heliostat making correspondence performs solar tracking action, including: by single supply pair
Many group heliostat controllers carry out time sharing power supply, reduce the whole system demand to power supply；
Described single supply carries out time sharing power supply to many group heliostat controllers, including: only set synchronization
One group of heliostat controller is had to control corresponding heliostat execution solar tracking action, the heliostat of described a group
The solar tracking motor of controller rotates, and the solar tracking motor of the heliostat controller of other groups does not rotates,
But performing to wait solar tracking order, the most described one group of heliostat controller controls corresponding heliostat and performs to chase after
Day action is complete, and next group proceeds by again, and order is scheduling by host computer；
Concrete execution step is as follows:
Solar tracking data, according to current time, are issued first group of heliostat controller by a, host computer；
B, first group of heliostat controller receive solar tracking data, then the switch of first group of heliostat controller closes
Closing, corresponding solar tracking motor rotates, and corresponding heliostat performs solar tracking action；
The heliostat that c, first group of heliostat controller are corresponding performs after solar tracking action completes, and it switches off,
Host computer issues solar tracking data to next group heliostat controller, and next group heliostat controller described is corresponding
Switch Guan Bi, corresponding heliostat performs solar tracking action；
D, the like, until last heliostat organizing heliostat controller corresponding completes solar tracking action,
Thus realize the solar tracking action of the heliostat that many group heliostat controllers are powered by same power supply.
Heliostat control method the most according to claim 1, it is characterised in that described address configuration
It is that instrument is set by address, communicates wirelessly with the wireless communication interface in heliostat controller, right
Heliostat carries out address setting.
Heliostat control method the most according to claim 2, it is characterised in that described address is arranged
The power of instrument is for being automatically adjusted, it is ensured that only one of which heliostat controller and address arrange instrument and enter simultaneously
Row communication.
Heliostat control method the most according to claim 2, it is characterised in that described wireless telecommunications
Mode include infrared communication, WIFI, bluetooth, ZIGBEE and other 2.4G and 433MHz frequencies
Mode.
Heliostat control method the most according to claim 1, it is characterised in that the side of described self-locking
Formula includes electronics self-locking, is used for improving the transmission efficiency of whole heliostat.
Heliostat control method the most according to claim 5, it is characterised in that described electronics self-locking
Mode include: when heliostat rotates, the rated current required for electric machine controller output drives and chases after
Day motor；When heliostat stops needing locking, by motor internal coil by electrical switch short circuit, profit
Lock with solar tracking motor self-characteristic.
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| CN201310725285.0A CN103713648B (en) | 2013-12-25 | 2013-12-25 | A kind of heliostat control method |
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| CN103713648B true CN103713648B (en) | 2016-09-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104201940B (en) * | 2014-09-26 | 2017-12-19 | 浙江中控技术股份有限公司 | A kind of electric machine control system and method |
| CN104571139B (en) * | 2014-11-19 | 2018-02-16 | 河北省电力勘测设计研究院 | Heliostat field wireless control system |
| CN110793225B (en) * | 2019-10-23 | 2021-04-06 | 浙江中控太阳能技术有限公司 | Heliostat address setting method, device and system |
| CN113687302B (en) * | 2021-08-19 | 2023-08-29 | 浙江可胜技术股份有限公司 | Heliostat address configuration method and heliostat address configuration system |
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| US9222702B2 (en) * | 2011-12-01 | 2015-12-29 | Brightsource Industries (Israel) Ltd. | Systems and methods for control and calibration of a solar power tower system |
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Effective date of registration: 20170726 Address after: 310053 Binjiang District City, Hangzhou Province, No. six and No. 307 Road, building 8, layer 9, layer 1, Patentee after: Zhejiang Supcon Solar Energy Technology Co., Ltd. Address before: 3 floor, 313 floor, new canteen, Delingha City, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, 817000 Patentee before: QINGHAI SUPCON SOLAR ENERGY POWER GENERATION CO., LTD. |
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Address after: 310018 1-2603, No. 501, No. 2 street, Baiyang street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Kesheng Technology Co.,Ltd. Address before: 310053 8 and 9 floors of No. 307 Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SUPCON SOLAR ENERGY TECHNOLOGY Co.,Ltd. |