CN109062269A - A kind of heliostat focuses method for correcting error, apparatus and system automatically - Google Patents
A kind of heliostat focuses method for correcting error, apparatus and system automatically Download PDFInfo
- Publication number
- CN109062269A CN109062269A CN201810966884.4A CN201810966884A CN109062269A CN 109062269 A CN109062269 A CN 109062269A CN 201810966884 A CN201810966884 A CN 201810966884A CN 109062269 A CN109062269 A CN 109062269A
- Authority
- CN
- China
- Prior art keywords
- heliostat
- image
- test
- face
- reflected light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Image Analysis (AREA)
Abstract
The invention discloses a kind of heliostats to focus method for correcting error automatically, comprising: sends to multi-panel heliostat and focuses test instruction, multi-panel heliostat is made to enter focusing test mode；Image capture instruction is sent to more image collecting devices, image collecting device is made to acquire the image of multi-panel heliostat respectively；Receive the image of more image acquisition devices；The position that every face heliostat is determined according to an at least image calculates the test hot spot center of corresponding heliostat according to the intensity of reflected light of heliostat corresponding in the position of the every face heliostat identified, every image and the position for the image collecting device for collecting corresponding heliostat reflected light；It compares each test hot spot center and theoretical hot spot center to obtain the departure of every face heliostat, so that every face heliostat be made to be rectified a deviation according to departure.Correction can be focused to multi-panel heliostat simultaneously by this method, work efficiency is high.The invention also discloses apparatus and systems corresponding with this method.
Description
Technical field
The present invention relates to tower type solar energy thermal power generation technical fields, focus correction side automatically more particularly to a kind of heliostat
Method, apparatus and system.
Background technique
Tower-type solar thermal power generating system is also referred to as tower light-focusing type solar electricity generation system, it is on spacious ground
A tall and big center heat absorption tower is established, a heat dump is fixed in installation on tower top, a certain number of heliostats are installed around tower,
Direct sunlight is gathered by heliostat and generates high temperature in the cavity of the heat dump of tower top, then the working medium of heat dump will be passed through
High-temperature steam is heated and generates, pushing turbine generates electricity, i.e., tower type solar energy thermal power generation is to utilize numerous plane reflections
Beam radia is reflected on the sun heat dump being placed at the top of high tower by array, and heating working medium generates superheated steam, driving
Turbine LP rotors power generation, to convert the solar into electric energy, wherein heliostat number is more, then its focusing ratio is bigger,
The heat-collecting temperature of heat dump is also higher.
The process that direct sunlight reflexes to heat dump is known as solar tracking by heliostat, wherein the installation site of heliostat exists
It is remained unchanged after being installed, is that the reflection to direct sunlight is completed by the rotation of its mirror surface at work；It is working
In the process, heliostat can track the position of the sun by modes such as photoelectric trackings.When heliostat is installed for the first time, need
Each heliostat is debugged.Traditional debud mode is: it is (general to install one or more test boards in heat dump lower part
For white, also referred to as blank), also have and whitewash heat dump bottom tower body as test board, then on heliostat field (ground)
One or more electron cameras (Electrofax) are installed to calculate certain face heliostat according to control system in debugging
Direct sunlight is reflected on test board, test board center should be theoretically reflected into, actually since heliostat adds
Deviation caused by the factors such as work manufacture, installation, which is reflected into the test hot spot center on test board generally can be inclined
Center from test board, computer control system calculate the focusing correction value of the heliostat, are then repaired according to deviation
Just, test hot spot center is adjusted to test board center, (focuses on suction when determining heliostat operation in this way
When hot device) needed for focusing correction value (namely rectify a deviation).
Traditional heliostat debud mode is that a test board and an electron camera can only at a time debug one
Face heliostat often has thousands of face heliostats for commercialized tower type solar energy thermal power generation station, and for by thousands of
Debugging will be occupied the plenty of time for the first time by the Jing Chang of heliostat compositions in face up to ten thousand.In addition, after heliostat runs a period of time,
Focusing deviation can also change, and need to be debugged again, but the Jing Chang for being made of thousands of face heliostats is passed through
It often does focusing correction and is unlikely that such heliostat focusing accuracy will be impacted, this is resulted in actual motion, inhale
Hot device often occurs that local surface temperature is very high, other portion faces temperature very low phenomenon again.The appearance of this phenomenon, such as
Fruit cannot effectively control, on the one hand, the damage of heat dump heat absorbing coating may occur or even heat dump is burnt out；On the other hand,
Many heliostats may cause because heat dump a part temperature is excessively high, and be unable to refocusing to heat dump, reduced power station
Heat input also just reduces generated energy；Both of these case can all generate economic loss, influence power station economic benefit.
In view of this, the present invention is specifically proposed.
Summary of the invention
The object of the present invention is to provide a kind of heliostats to focus method for correcting error, and device corresponding with this method automatically
And system, this method can be focused rectification work to multi-panel heliostat simultaneously, improve work efficiency.
To achieve the goals above, described in a first aspect, the present invention provides a kind of heliostats to focus method for correcting error automatically
Method includes:
It is sent to multi-panel heliostat and focuses test instruction, adjusted so that heliostat described in multi-panel tests instruction according to the focusing
Whole reflection angle, hence into focusing test mode；
Image capture instruction is sent to more image collecting devices, so that described image acquisition device acquires multi-panel institute respectively
State the image of heliostat；
Receive the image of more described image acquisition devices acquisition；
The position of heliostat described in every face, and the settled date according to the every face identified are determined according to an at least image
The intensity of the reflected light of the corresponding heliostat and the corresponding heliostat reflection is collected in the position of mirror, every described image
The position of the image collecting device of light calculates the test hot spot center of the corresponding heliostat；
It compares each test hot spot center and theoretical hot spot center to obtain the settled date described in every face
The departure of mirror, so that heliostat described in every face be made to be rectified a deviation according to the departure.
It is alternatively and preferably, described to send image capture instruction to more image collecting devices, further includes:
Rotation command is sent to specified heliostat, so that at least a described image acquisition device can collect the finger
Determine the reflected light of heliostat.
Alternatively and preferably, the position that heliostat described in every face is determined according to an at least image, comprising:
According to the position of the image of the collected reflected light with the specified heliostat and the specified heliostat,
Determine the position of other heliostats.
Alternatively and preferably, the position that heliostat described in every face is determined according to an at least image, comprising:
Described image is compared with the image for being preset with heliostat position, to obtain the position of heliostat described in every face
It sets.
Alternatively and preferably, the position of the heliostat according to the every face identified, phase in every described image
It answers the intensity of the reflected light of the heliostat and collects the position meter of the image collecting device of the corresponding heliostat reflected light
Calculate the test hot spot center of the corresponding heliostat, comprising:
When the intensity of reflected light of the heliostat corresponding in described image is not less than default intensity of reflected light, then determine to clap
The image collector of described image is taken the photograph setting in test light spot region, and calculates image collector in the test spot area
The center in the region of composition is set, to obtain the test hot spot center.
Alternatively and preferably, if the image for the area periphery that image collecting device forms in the test spot area
Include the position of the corresponding heliostat in acquisition device acquired image, then calculates and scheme in the test spot area
As the center in the region that acquisition device forms；
Otherwise, then rotation command is issued to the specified heliostat, so that image collector in the test spot area
Set the image acquisition device of the area periphery of composition to image in include the corresponding heliostat position.
Alternatively and preferably, the quantity of the image collecting device in the test spot area is at least three.
Alternatively and preferably, the image collecting device in the position of the theoretical hot spot of heliostat described in every face can
Enough collect the complete image of the corresponding heliostat.
Alternatively and preferably, the focusing test instruction sends to regularly send or actively selecting.
Second aspect, the present invention provides a kind of heliostats to focus deviation correcting device automatically, comprising:
Test instruction sending module is focused, test instruction is focused for sending to multi-panel heliostat, so that fixed described in multi-panel
Solar eyepiece tests instruction adjustment reflection angle according to the focusing, hence into focusing test mode；
Image capture instruction sending module；For sending image capture instruction to more image collecting devices, to adopt respectively
Collect the image of heliostat described in multi-panel；
Image receiver module, for receiving the image of more described image acquisition devices acquisition；
Data processing module, for determining the position of heliostat described in every face according to an at least image, and according to knowledge
Not Chu every face described in the position of heliostat, the intensity of the reflected light of the corresponding heliostat and collect in every described image
The position of the image collecting device of the corresponding heliostat reflected light calculates the test hot spot center of the corresponding heliostat；
The data processing module be also used to by each test hot spot center and theoretical hot spot center into
Row comparison obtains the departure of heliostat described in every face, so that heliostat described in every face be made to be rectified a deviation according to the departure.
The third aspect, the present invention provides a kind of heliostats to focus deviation-rectifying system automatically, is suitable for tower-type solar thermal and sends out
Power station, comprising:
Multi-panel heliostat；
Multiple images acquisition device, for acquiring the image of heliostat described in multi-panel, uniform intervals are arranged in described tower
It absorbs heat on tower in solar energy thermal-power-generating station, and is located at the top or lower part of heat dump on the heat absorption tower；
Controller receives described image and adopts for issuing control instruction to the heliostat and described image acquisition device
The image of acquisition means acquisition, the position of heliostat described in every face is determined according to an at least image, and every according to what is identified
It the intensity of the reflected light of the corresponding heliostat and is collected described corresponding in the position of heliostat described in face, every described image
The position of the image collecting device of heliostat reflected light calculates the test hot spot center of the corresponding heliostat, and will be each
The test hot spot center is compared with theoretical hot spot center, to obtain the departure of heliostat described in every face
So that heliostat described in every face is rectified a deviation according to the departure.
After adopting the above technical scheme, the present invention at least has the advantages that compared with prior art
Rectification work can be focused to multi-panel heliostat simultaneously by this method, save debug time, improve
Working efficiency.
Detailed description of the invention
Fig. 1 is that heliostat provided in an embodiment of the present invention focuses method for correcting error automatically and can realize in system architecture therein
Figure；
Fig. 2 is the flow chart that heliostat provided in an embodiment of the present invention focuses method for correcting error automatically；
Fig. 3 is the structural schematic diagram that heliostat provided in an embodiment of the present invention focuses deviation correcting device automatically；
Fig. 4 is the image schematic diagram of image acquisition device in the embodiment of the present invention；
Fig. 5 is that facula position and theoretical hot spot position versus figure are tested in the embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Following will be combined with the drawings in the embodiments of the present invention, in the embodiment of the present invention
Technical solution is clearly and completely described, it is clear that and described embodiments are only a part of the embodiments of the present invention, without
It is whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of heliostat automatic correction method, this method can be, but not limited to for it is tower too
Positive energy thermal power station, wherein tower type solar energy thermal power generation station includes heliostat, heat absorption tower and heat dump, and wherein heat dump is arranged
In heat absorption tower on, on heliostat reflected sunlight to heat dump, to heat heat dump.The heliostat is needed when being installed
It is debugged, but since heliostat quantity is more, is debugged with traditional adjustment method, need to consume a large amount of time,
Debugging efficiency is low；Furthermore after heliostat runs a period of time, focusing deviation can also change, and need to be adjusted again
Examination is often done focusing correction and being unlikely that also due to heliostat quantity is more, and such heliostat focusing accuracy will be by
It influences.
Heliostat automatic correction method provided in an embodiment of the present invention at least solves a part of the above subject and mentions
Out.The system 100 shown in Fig. 1 may be implemented in the automatic correction method, and system 100 includes controller 101, heliostat 102
With image collecting device 103.Controller 101 can be used for issuing control instruction to heliostat 102 and image collecting device 103,
The image that image collecting device 103 is shot is received, furthermore it can be also used for carrying out processing analysis to received image (being detailed in down
Text description), and obtain the departure of every face heliostat 102, to control the deviation that every face heliostat 102 is calculated according to it
Amount is focused correction, it should be appreciated that the controller 101 can be the controller in local area network, be also possible to wide
Controller in the net of domain；Image collecting device 103 is fixedly installed on heat absorption tower 104 and is located at the lower section of heat dump 105, this
Outside, image collecting device 103 is multiple, and uniform intervals are arranged on heat absorption tower 104, can be matrix form arrangement, it should be understood that
, image collecting device 103 also can be set above heat dump 105, in the present embodiment, multiple images acquisition device
103 combinations constitute the blank (test board) in traditional debugging mode, and the reflected light damage image of heliostat 102 is adopted in order to prevent
Acquisition means 103 are additionally provided with optical filtering or filter coating on every image collecting device 103.Image in the present embodiment is adopted
Acquisition means 103 can be, but not limited to be video camera or camera.
In the present embodiment, theoretical hot spot: be based on control system according to the test position of sun at moment, power station longitude and latitude and
Position, heliostat position, original correction parameter (if any) etc. are calculated in theoretical test hot spot in height above sea level, test board
Heliostat bearing data, direct sunlight should be theoretically reflected into according to the data heliostats and to be formed on beta version
Hot spot.Test hot spot: being in test, direct sunlight is reflected by the bearing data that heliostat gives according to control system
The hot spot being actually formed when on test board.
It should be understood that in various embodiments, the hardware device in system can optionally increase, reduces or replace
It changes, system structure shown in figure 1 is not intended to limit the scope of the present invention..
In the following, being executing subject with the controller 101 in system 100 and combining Fig. 2, introduce provided in an embodiment of the present invention
Heliostat focuses method for correcting error automatically.
Fig. 2 is the flow chart that heliostat according to an embodiment of the present disclosure focuses method for correcting error method 200 automatically, method
200 specifically comprise the following steps:
S201: it is sent to multi-panel heliostat and focuses test instruction, so that heliostat described in multi-panel is tested according to the focusing
Instruction adjustment reflection angle, hence into focusing test mode.
It, can be by controller under multi-panel heliostat specifically, when heliostat installs and enters the debugging stage
Hair focuses the instruction of test, every face heliostat actively rotates after receiving the instruction to adjust the angle of its reflection, angle
After adjustment, the solar irradiation that heliostat will reflect is mapped to the test zone of multiple images acquisition device composition, at this point, fixed
Solar eyepiece, which enters, focuses test mode.
S202: image capture instruction is sent to more image collecting devices, so that described image acquisition device acquires respectively
The image of heliostat described in multi-panel.
Specifically, debugging the stage in heliostat, Image Acquisition can be sent to more image collecting devices by controller
Instruction, every image collecting device shoot the heliostat in the settled date after the instruction for receiving acquisition image, and will
The image transmitting of shooting is into controller, to handle for controller analysis.
It should be understood that S201 and S202 can be carried out simultaneously, it can also carry out in batches, the sequence between them is
It, specifically can be according to actually being exchanged depending on for sake of convenience, their sequences in method 200 are not constituted to the present invention
The restriction of protection scope.
S203: the image of more described image acquisition devices acquisition is received.
Specifically, after image of the image acquisition device with heliostat, will by image transmitting to controller, from
And it enables the controller to receive, and further processing analysis.
S204: the position of heliostat described in every face is determined according to an at least image, and according to the every face institute identified
It states the position of heliostat, the intensity of the reflected light of the corresponding heliostat and collect the corresponding settled date in every described image
The position of the image collecting device of mirror reflected light calculates the test hot spot center of the corresponding heliostat.
Specifically, image is analyzed and processed after the image that controller receives image collecting device transmission,
During being somebody's turn to do, firstly, controller determines the position of every face heliostat according to an at least image, it can pass through in the process
Following two mode is realized: first way, can be in debugging first with an at least image collecting device shooting power station
In all heliostats, then every face heliostat in image is numbered, and is stored in controller, makes every face fixed in this way
Solar eyepiece has a unique mark, and after every face heliostat is installed, the position in space is substantially not
Become, therefore when entering debugging mode, can by image acquisition device to image be stored with heliostat and uniquely mark
The image of knowledge compares, that is, can determine that the position of every face heliostat；The second way, when debugging, do not deposit in controller
It, can be fixed to specified one side additionally by controller in S202 step when containing the image comprising heliostat unique identification
Solar eyepiece sends rotation command, until an at least image acquisition device to the reflected light of specified heliostat, due to
The position of the specified heliostat is determining, and other heliostats are also determination with respect to its position, can be passed through at this time
Analysis is carried out to image and obtains the positions of other heliostats, specifically, as shown in figure 4, controller control heliostat 401 rotates,
No. 1 image acquisition device is to the reflected light image A of heliostat 401 at this time, and then controller divides image A
Analysis, obtains the position of other heliostats (such as heliostat 402) in image A, and in the image B of No. 2 image acquisition devices not
It include heliostat 401, but it includes there is heliostat 402, controller can then be obtained in image B by analyzing image B at this time
Other heliostats position (such as heliostat 403), and so on, the position of you can get it all heliostats；It is wrapped when in image B
When containing heliostat 401, then it can go out the position of other heliostats in image B according to the dead reckoning of heliostat 401.It should
Understanding, for how to determine there are many kinds of the methods of every face heliostat, just repeating one by one herein.
After the position of every face heliostat has been determined, controller by according to the position of every face heliostat, every include this
The image of the intensity of the reflected light of heliostat and collect the corresponding heliostat reflected light image collecting device position
Analytical calculation is carried out, to obtain the test hot spot center of the heliostat.Specifically, in image acquisition process, it is different
The intensity of reflected light of the possible collected same heliostat of the image collecting device of position is different, in order to preferably distinguish figure
As whether acquisition device has really collected the reflected light of heliostat, an intensity reflected light values can be preset, Image Acquisition is worked as
When the intensity of reflected light of corresponding heliostat is not less than default intensity of reflected light in the image of device shooting, then determine to shoot the image
Image collecting device taken corresponding heliostat reflected light, while determine its be located at test spot area in, pass through meter
The center in the region of image collecting device composition in test spot area is calculated, this in the process can be by image collecting device group
At region in the positions of outermost multiple adjacent image acquisition devices successively carry out line, to form a closure
Figure calculates the center of this figure again after complete, you can get it tests hot spot center, it is, image is adopted at this time
The regional center position of acquisition means composition is to test hot spot center.As shown in figure 5, to be adopted convenient for distinguishing different images
Acquisition means in the figure distinguish different image collecting devices using different numbers, test in spot area 501 '
There is the intensity of reflected light of the corresponding heliostat in the image of 5 image acquisition devices to be not less than default intensity of reflected light, this
When, the center in the region of this 5 image collecting devices composition is the position where image collecting device 59, survey at this time
Examination spot center position is the position where image collecting device 59.
In some embodiments, if the Image Acquisition for the area periphery that image collecting device forms in test spot area
Include the position of corresponding heliostat in device acquired image, then tests image collecting device group in spot area at this time
At region be complete test spot area, directly calculate the region that image collecting device forms in the test spot area
Center, you can get it test hot spot center；Otherwise, controller then issues rotation command to specified heliostat, leads to
The image collecting device that the rotation for crossing specified heliostat makes to test the area periphery of image collecting device composition in spot area is adopted
It include the position of corresponding heliostat in the image collected.As shown in figure 5, for convenient for distinguishing different image collecting devices,
Different image collecting devices is distinguished using different numbers in the figure, the test spot area 501 ' of heliostat A
In have five image collecting devices, outermost multiple adjacent images in the region of this five image collecting devices composition are acquired
The position of device successively carries out line, and the image collecting device of the periphery of the enclosed region formed after line includes: Image Acquisition
Device 51, image collecting device 52, image collecting device 53, image collecting device 54, image collecting device 55, image collector
Set 56, image collecting device 57 and image collecting device 58；If image collecting device 51, image collecting device 52, image are adopted
Acquisition means 53, image collecting device 54, image collecting device 55, image collecting device 56, image collecting device 57 and image are adopted
Include the position of heliostat A in the respective acquired image of acquisition means 58, then determines test spot area 501 ' at this time
The region of middle image collecting device composition is complete test spot area, if wherein one or more image collecting device
There is no the position comprising heliostat A in acquired image, then test hot spot at this time be it is incomplete, at this time in order to survey
The accuracy of amount, controller then send the instruction of rotation to heliostat A, until image collecting device in test spot area 501 '
The image collecting device of the area periphery of composition can collect the image comprising heliostat location A, then calculate test again
The center of spot area 501 '.Referring again to FIGS. 5, spot area 502 ' is tested, only three Image Acquisition in the region
Device has collected the reflected light of heliostat B, and the area periphery of this three image collecting devices composition only has the upside in the region
The image of heliostat B can be collected with the image collecting device in left side, the downside and right side in the region do not have image collector
It sets and (cannot collect the image of heliostat B), at this point, controller then sends the instruction of rotation to heliostat B, to make its survey
Examination spot area 502 ' is transferred to test 502 " place of spot area (at this moment can meet above-mentioned condition), is at this moment calculating test light
The center of spot region 502 ".It should be understood that it is above-mentioned refer to periphery image collecting device, can with but it is unlimited
Then the image collecting device adjacent with image collecting device outer in test spot area.
In view of just can determine that a plane, therefore, the number of the image collecting device in spot area is tested at least 3 points
Amount should be not less than three, specifically, can be selected according to the actual situation.
It should be understood that the theoretical spot area of heliostat can be preset in debugging, this theoretical spot area
Middle image collecting device is more, then what is measured is more accurate, and theoretically, the image collecting device tested in facula position should be with reason
It is identical or close by the image collecting device quantity in facula position.
S205: each test hot spot center and theoretical hot spot center are compared to obtain each described
The departure of heliostat, so that each heliostat be made to be rectified a deviation according to the departure.
It, will each test hot spot centre bit after controller calculates the test hot spot center of each heliostat
It sets and compares calculating with theoretical hot spot center, to obtain the departure of each heliostat, then controller can root
Correction is focused to heliostat according to the departure.
As shown in figure 5, the departure of the center of test hot spot 501 ' and the center of theoretical hot spot 501 is (Δ
X, Δ y), corresponding heliostat are focused correction according to the departure.
It should be understood that the theoretical spot center of each heliostat be it is preset, can be unalterable
, it can also change, it, can be according to the difference of time, to set the center of theoretical hot spot when variation.In addition, in image
In the arrangement of acquisition device, preferably guarantee that the image collecting device in the position of the theoretical hot spot of each heliostat can acquire
To the complete image of corresponding heliostat.
In addition, can be sent by controller timing to heliostat when using the method in the present embodiment and focus test
Instruction, with complete the focusing in the heliostat course of work correction.It can such as set every 4 hours (or N days time), control
Device is that the primary instruction for focusing test is sent to heliostat, and thus may be implemented can be to fixed in the heliostat course of work
Solar eyepiece is focused correction, thus reduce because heliostat focusing deviation occurs in the process of running damage heat dump the phenomenon that.
In addition, staff can also actively choose when to be focused rectification work according to the actual situation.
Correction is focused automatically the embodiment of the invention also provides one for realizing a kind of heliostat of method as described above 200
Device, as shown in figure 3, device 300 includes:
Test instruction sending module 301 is focused, test instruction is focused for sending to multi-panel heliostat, so that described in multi-panel
Heliostat tests instruction adjustment reflection angle according to the focusing, hence into focusing test mode；
Image capture instruction sending module 302；For sending image capture instruction to more image collecting devices, with respectively
Acquire the image of heliostat described in multi-panel；
Image receiver module 303, for receiving the image of more described image acquisition devices acquisition；
Data processing module 304, for determining the position of heliostat described in every face according to an at least image, and according to
The intensity and acquisition of the reflected light of the corresponding heliostat in the position of heliostat described in the every face identified, every described image
The test hot spot centre bit of the corresponding heliostat is calculated to the position of the image collecting device of the corresponding heliostat reflected light
It sets；
The data processing module be also used to by each test hot spot center and theoretical hot spot center into
Row comparison obtains the departure of heliostat described in every face, so that heliostat described in every face be made to be rectified a deviation according to the departure.
Each step in step and 200 embodiment of method above performed by above each module corresponds, specific real
It now can refer to the description in 200 embodiment of method.
Method for correcting error is focused automatically to heliostat provided by the present invention above, apparatus and system is described in detail.
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
Core of the invention thought is understood in help.It should be pointed out that for those skilled in the art, not departing from
, can be with several improvements and modifications are made to the present invention under the premise of the principle of the invention, these improvement and modification also fall into this hair
In bright scope of protection of the claims.
Claims (11)
1. a kind of heliostat focuses method for correcting error automatically, which is characterized in that the described method includes:
It is sent to multi-panel heliostat and focuses test instruction, so that heliostat described in multi-panel is anti-according to focusing test instruction adjustment
Firing angle degree, hence into focusing test mode；
Image capture instruction is sent to more image collecting devices, is determined described in multi-panel so that described image acquisition device acquires respectively
The image of solar eyepiece；
Receive the image of more described image acquisition devices acquisition；
Determine the position of heliostat described in every face according to an at least image, and the heliostat according to the every face identified
The intensity of the reflected light of the corresponding heliostat and the corresponding heliostat reflected light is collected in position, every described image
The position of image collecting device calculates the test hot spot center of the corresponding heliostat；
It compares each test hot spot center and theoretical hot spot center to obtain heliostat described in every face
Departure, so that heliostat described in every face be made to be rectified a deviation according to the departure.
2. the method according to claim 1, wherein described refer to more image collecting devices transmission Image Acquisition
It enables, further includes:
Rotation command is sent to specified heliostat, so that an at least described image acquisition device can collect described specify and determine
The reflected light of solar eyepiece.
3. according to the method described in claim 2, it is characterized in that, described determine the settled date described in every face according to an at least image
The position of mirror, comprising:
According to the position of the image of the collected reflected light with the specified heliostat and the specified heliostat, determine
The position of other heliostats.
4. the method according to claim 1, wherein described determine the settled date described in every face according to an at least image
The position of mirror, comprising:
Described image is compared with the image for being preset with heliostat position, to obtain the position of heliostat described in every face.
5. the method according to claim 1, wherein the position of the heliostat according to the every face identified
It sets, the intensity of the reflected light of the corresponding heliostat and collect the figure of the corresponding heliostat reflected light in every described image
As the position of acquisition device calculates the test hot spot center of the corresponding heliostat, comprising:
When the intensity of reflected light of the heliostat corresponding in described image is not less than default intensity of reflected light, then determine to shoot institute
The image collector of image is stated setting in test light spot region, and calculates image collecting device group in the test spot area
At region center, to obtain the test hot spot center.
6. according to the method described in claim 5, it is characterized in that, if image collecting device group in the test spot area
At area periphery image acquisition device to image in include the corresponding heliostat position, then calculate institute
State the center in the region of image collecting device composition in test spot area；
Otherwise, then rotation command is issued to the specified heliostat, so that image collecting device group in the test spot area
At area periphery image acquisition device to image in include the corresponding heliostat position.
7. according to the method described in claim 5, it is characterized in that, the number of the image collecting device in the test spot area
Amount is at least three.
8. according to claim 1 to any method in 7, which is characterized in that the theoretical light of heliostat described in every face
Image collecting device in the position of spot can collect the complete image of the corresponding heliostat.
9. according to claim 1 to any method in 7, which is characterized in that the focusing test instruction is to regularly send
Or actively selection is sent.
10. a kind of heliostat focuses deviation correcting device automatically characterized by comprising
Test instruction sending module is focused, test instruction is focused for sending to multi-panel heliostat, so that heliostat described in multi-panel
Instruction adjustment reflection angle is tested according to the focusing, hence into focusing test mode；
Image capture instruction sending module；It is more to acquire respectively for sending image capture instruction to more image collecting devices
The image of heliostat described in face；
Image receiver module, for receiving the image of more described image acquisition devices acquisition；
Data processing module, for determining the position of heliostat described in every face according to an at least image, and according to identifying
Every face described in the position of heliostat, the intensity of the reflected light of the corresponding heliostat and collect described in every described image
The position of the image collecting device of corresponding heliostat reflected light calculates the test hot spot center of the corresponding heliostat；
The data processing module is also used to carry out each test hot spot center and theoretical hot spot center pair
Than obtaining the departure of heliostat described in every face, so that heliostat described in every face be made to be rectified a deviation according to the departure.
11. a kind of heliostat focuses deviation-rectifying system automatically, it is suitable for tower type solar energy thermal power generation station characterized by comprising
Multi-panel heliostat；
Multiple images acquisition device, for acquiring the image of heliostat described in multi-panel, uniform intervals are arranged in the tower sun
It can absorb heat on tower in thermal power station, and be located at the top or lower part of heat dump on the heat absorption tower；
Controller receives described image acquisition dress for issuing control instruction to the heliostat and described image acquisition device
The image for setting acquisition determines the position of heliostat described in every face according to an at least image, and according to the every face institute identified
It states the position of heliostat, the intensity of the reflected light of the corresponding heliostat and collect the corresponding settled date in every described image
The position of the image collecting device of mirror reflected light calculates the test hot spot center of the corresponding heliostat, and will be each described
Test hot spot center is compared with theory hot spot center, thus obtain the departure of heliostat described in every face so that
Heliostat described in every face is rectified a deviation according to the departure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966884.4A CN109062269A (en) | 2018-08-23 | 2018-08-23 | A kind of heliostat focuses method for correcting error, apparatus and system automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966884.4A CN109062269A (en) | 2018-08-23 | 2018-08-23 | A kind of heliostat focuses method for correcting error, apparatus and system automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109062269A true CN109062269A (en) | 2018-12-21 |
Family
ID=64756660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810966884.4A Pending CN109062269A (en) | 2018-08-23 | 2018-08-23 | A kind of heliostat focuses method for correcting error, apparatus and system automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109062269A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131907A (en) * | 2019-03-29 | 2019-08-16 | 浙江中控太阳能技术有限公司 | A kind of heliostat mirror field automatic fault maintenance navigation methods and systems |
| CN113536655A (en) * | 2021-04-07 | 2021-10-22 | 北京聚树核科技有限公司 | Artificial intelligent deviation rectifying method and device for heliostat, electronic equipment and storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859014A (en) * | 2010-06-09 | 2010-10-13 | 中国科学院电工研究所 | Azimuth-elevation tracking method of heliostat with reflecting mirror surface deviated from rotating center |
| CN102175066A (en) * | 2011-02-14 | 2011-09-07 | 吴建华 | Heliostat tracking control device for tower-type solar thermal power station |
| CN201983486U (en) * | 2011-02-18 | 2011-09-21 | 南京科远自动化集团股份有限公司 | Tower type heliostat tracking and controlling device of solar heat generating station |
| CN102298193A (en) * | 2011-08-04 | 2011-12-28 | 深圳市联讯创新工场科技开发有限公司 | Heliostat correction equipment and correction method thereof |
| CN102445323A (en) * | 2011-09-27 | 2012-05-09 | 浙江中控太阳能技术有限公司 | Image processing-based heliostat fault diagnosis method and system |
| CN102506810A (en) * | 2011-10-18 | 2012-06-20 | 邵文远 | Heliostat angle deviation detection method for tower type solar thermal power generation system |
| CN103728983A (en) * | 2013-12-25 | 2014-04-16 | 青海中控太阳能发电有限公司 | Method for calibrating tracking precision of heliostats |
| JP2018124007A (en) * | 2017-01-31 | 2018-08-09 | ナブテスコ株式会社 | Panel driving device and panel driving method |
-
2018
- 2018-08-23 CN CN201810966884.4A patent/CN109062269A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859014A (en) * | 2010-06-09 | 2010-10-13 | 中国科学院电工研究所 | Azimuth-elevation tracking method of heliostat with reflecting mirror surface deviated from rotating center |
| CN102175066A (en) * | 2011-02-14 | 2011-09-07 | 吴建华 | Heliostat tracking control device for tower-type solar thermal power station |
| CN201983486U (en) * | 2011-02-18 | 2011-09-21 | 南京科远自动化集团股份有限公司 | Tower type heliostat tracking and controlling device of solar heat generating station |
| CN102298193A (en) * | 2011-08-04 | 2011-12-28 | 深圳市联讯创新工场科技开发有限公司 | Heliostat correction equipment and correction method thereof |
| CN102445323A (en) * | 2011-09-27 | 2012-05-09 | 浙江中控太阳能技术有限公司 | Image processing-based heliostat fault diagnosis method and system |
| CN102506810A (en) * | 2011-10-18 | 2012-06-20 | 邵文远 | Heliostat angle deviation detection method for tower type solar thermal power generation system |
| CN103728983A (en) * | 2013-12-25 | 2014-04-16 | 青海中控太阳能发电有限公司 | Method for calibrating tracking precision of heliostats |
| JP2018124007A (en) * | 2017-01-31 | 2018-08-09 | ナブテスコ株式会社 | Panel driving device and panel driving method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131907A (en) * | 2019-03-29 | 2019-08-16 | 浙江中控太阳能技术有限公司 | A kind of heliostat mirror field automatic fault maintenance navigation methods and systems |
| CN113536655A (en) * | 2021-04-07 | 2021-10-22 | 北京聚树核科技有限公司 | Artificial intelligent deviation rectifying method and device for heliostat, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108958229B (en) | Method and device for rapidly and qualitatively detecting tracking accuracy of heliostat | |
| CN109828612B (en) | System and method for rapidly correcting heliostat at night by using unmanned aerial vehicle | |
| CN102354225B (en) | Calibration system and calibration method for heliostat of solar generating station | |
| CN109596212B (en) | Detection system and detection method for heliostat light condensation efficiency | |
| CN108225552B (en) | Method for measuring concentration energy flux density distribution of heliostat field in tower-type power station | |
| CN208171884U (en) | A kind of tower type solar heliostat minute surface clean level detection device | |
| CN201983486U (en) | Tower type heliostat tracking and controlling device of solar heat generating station | |
| WO2013044848A1 (en) | Calibration system and calibration method for heliostat in solar power station | |
| CN105387999A (en) | Method for testing optical efficiency of slot type solar thermal collector | |
| CN109062269A (en) | A kind of heliostat focuses method for correcting error, apparatus and system automatically | |
| CN102980313A (en) | Heliostat error correction system and method for solar tower optical-thermal power station | |
| CN108712150A (en) | Tower type solar heliostat minute surface emissivity and clean level detection method | |
| CN102354226B (en) | Heliostat calibration system of solar power station and calibration method | |
| CN112306103A (en) | System and method for measuring and optimizing heliostat efficiency | |
| CN105987671A (en) | Portable solar concentrator surface type detection device and method | |
| CN208985003U (en) | A kind of device of fast qualitative detection heliostat tracking accuracy | |
| CN205450422U (en) | Solar energy condensing lens focusing system | |
| CN103076154A (en) | Optical efficiency analysis method for light condensation and heat collection system of solar thermal power generation | |
| CN106918313B (en) | A kind of dish-style Stirling Salar light-gatherings minute surface quality determining method | |
| CN105509346B (en) | A kind of deviation correcting system of tower heliostat and its bearing calibration | |
| CN110647172B (en) | Heliostat focal length detection and optimization system | |
| CN110136206B (en) | Method for calibrating center of visual axis of tower-type solar heliostat correction camera | |
| CN112923589B (en) | Real-time measurement method for surface heat flux density distribution of external solar heat absorber | |
| Guo et al. | Moonlight concentration experiments of Badaling solar tower power plant in Beijing | |
| CN112666985A (en) | Heliostat motion error parameter correction system and method based on reflection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |