CN105717606B - Salar light-gathering eyeglass focusing system and focus adjustment method - Google Patents
Salar light-gathering eyeglass focusing system and focus adjustment method Download PDFInfo
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- CN105717606B CN105717606B CN201610156706.6A CN201610156706A CN105717606B CN 105717606 B CN105717606 B CN 105717606B CN 201610156706 A CN201610156706 A CN 201610156706A CN 105717606 B CN105717606 B CN 105717606B
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- condenser
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/183—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors specially adapted for very large mirrors, e.g. for astronomy, or solar concentrators
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0038—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light
- G02B19/0042—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with ambient light for use with direct solar radiation
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- Optics & Photonics (AREA)
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- Health & Medical Sciences (AREA)
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
This application discloses a kind of Salar light-gathering eyeglass focusing systems, including condenser, light guide plate and camera, level ground is fixed on the vertex on the condenser convex surface, the concave surface array of the condenser is equipped with multiple mirror-reflection pieces, the light guide plate and camera are set to the surface of the condenser, and be located on the center line of the condenser, the light guide plate is made of the small headlamp that can be individually turned on/close.Pass through this system, it is possible to reduce the time of measurement data needed for obtaining eyeglass focusing；Permission system carries out eyeglass focusing on daytime, is protected from weather influences；The close enough ground of adjusting bolt of mirror-reflection piece, personnel are not necessarily to be implemented with mirror surface focusing adjustment by platform or lift.
Description
Technical field
The application belongs to technical field of photovoltaic power generation, more particularly to a kind of Salar light-gathering eyeglass focusing system and focusing
Method.
Background technique
The focus adjustment method of Salar light-gathering eyeglass is generally included to day focusing and image-forming principle focusing two ways.
It focuses to day, is shining upon lower direct focusing, the simplest focusing mode of most original.By the every of dish-style condenser
The hot spot of block reflector is adjusted to the relative position of heat collector, and each block of plate is formed by the position of hot spot Yu Stirling receiving port
It corresponds, in the adjustable extent of reflecting plate, is that hot spot is evenly distributed as far as possible, avoids the generation of hot spot.
There is very big difficulty in practical applications to day focusing.First in entire focussing process, tracking system needs one
The synchronism of straight operational support disc and the sun.Secondly, for the disc of backboards more for large area, one piece of backboard of every debugging,
It requires to cover other backboards, convenient for seeing the distribution situation of hot spot.Third, when focusing, operator is
High altitude operation, focal beam spot scans simultaneity factor in operation, has very big risk.4th, also by the tight of weather
Ghost image is rung, and can not carry out tracking focusing in rainy days, installation period is made largely to have uncertainty.Usual situation
Under, the debugging of model machine is only applicable to day focusing.
Image-forming principle is focused (focusing of color target), and each panel of dish-style condenser is adjusted.In disk system focus
A target is placed at place, and target has the slab construction of some strength, size and Stirling engine heat dump sizableness.Mark
Target is printed on multicolour pattern towards dish-style condenser on one side, and the number and distribution form of pattern and the Reflector Panel of condenser are kept
Unanimously, the color of pattern can be the color lump of colour spacing or other shapes being convenient for observation and differentiating.
Image-forming principle focusing can only use in the environment that sunlight is not very strong, and installation needs space, be not suitable for batch
Focusing.
Summary of the invention
The purpose of the present invention is to provide a kind of Salar light-gathering eyeglass focusing system and focus adjustment methods, to overcome existing skill
Deficiency in art.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of Salar light-gathering eyeglass focusing system, including condenser, light guide plate and photograph
Level ground is fixed on machine, the vertex on the condenser convex surface, and the concave surface array of the condenser is equipped with multiple mirror-reflection pieces,
The light guide plate and camera are set to the surface of the condenser, and are located on the center line of the condenser, described to lead
Tabula rasa is made of the small headlamp that can be individually turned on/close.
Preferably, in above-mentioned Salar light-gathering eyeglass focusing system, the camera and light guide plate are installed on described
At 2 times of focal lengths of condenser.
Preferably, in above-mentioned Salar light-gathering eyeglass focusing system, branch is further fixed on the concave surface of the condenser
Support is equipped with the first fixture and the second fixture along condenser centerline direction on support frame as described above, solid on first fixture
Surely there is laser, the center of second fixture offers the aperture passed through for laser along centerline direction.
It preferably, further include the calculating for being connected to the camera in above-mentioned Salar light-gathering eyeglass focusing system
Machine and the printer connecting with computer, the light guide plate are connected with lamp controller, control each small illumination by lamp controller
Unlatching/closing of lamp.
Preferably, in above-mentioned Salar light-gathering eyeglass focusing system, the small headlamp is LED light.
Correspondingly, disclosed herein as well is a kind of focus adjustment methods of Salar light-gathering eyeglass focusing system, comprising steps of
(1), by laser alignment, so that camera, light guide plate are located on the center line of condenser；
(2), data setting is carried out, setting test id information finds the position of all mirror-reflection pieces；
(3), data acquire,
A small headlamp is opened, takes pictures and stores imaging data, then turn off the light；
Next small headlamp is opened, take pictures and stores imaging data, continues starting/close small headlamp, storage photograph
Machine imaging is until obtain the imaging data of all small headlamps；
(4), data are analyzed, and carry out processing analysis to every photo, extract corresponding pixel data, and each photograph pixel carries out
Packed-pixel data are formed after comparison, and calculate Pixel surface normal, are fitted using least square method, are obtained mirror-reflection
The normal of piece obtains the adjustment amount of each mirror-reflection piece respectively.
Preferably, in above-mentioned Salar light-gathering eyeglass focusing system, in the step (3), open small headlamp it
Before, one photo of shooting stores imaging data as background pictures.
Compared with the prior art, the advantages of the present invention are as follows:
(1), eyeglass can focus while installation, can also focus after the installation of whole eyeglasses, also
Can both be combined focusing.
(2), the time of measurement data needed for obtaining eyeglass focusing is reduced.
(3), allow system to carry out eyeglass focusing on daytime, be protected from weather influences.
(4), the flux on time focusing position calculating receiver can be used.
(5), the close enough ground of adjusting bolt of mirror-reflection piece, personnel are not necessarily to can be real by platform or lift
Apply mirror surface focusing adjustment.
(6), it is suitable for batch to focus.The time is saved, focusing efficiency is improved.
(7), it realizes that hot spot is uniformly distributed, avoids energy accumulating.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 show the schematic illustration of Salar light-gathering eyeglass focusing system in the specific embodiment of the invention；
Fig. 2 show the schematic illustration of mirror surface sheet emitting adjustment amount in the specific embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out detailed retouch
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art's every other implementation obtained without making creative work
Example, shall fall within the protection scope of the present invention.
Join shown in Fig. 1, Salar light-gathering eyeglass focusing system, including condenser 1, light guide plate 2 and camera 3, condenser 1
The vertex on convex surface is fixed on level ground 5 by short pedestal 4, so that the close enough ground of condenser 1, personnel are without relying on
Platform or lift are implemented with mirror surface focusing adjustment, and focusing operation is completed from ground can greatly save the activity duration.
The concave surface array of condenser 1 is equipped with multiple mirror-reflection pieces, and light guide plate 2 and camera 3 are being set to condenser 1 just
Top, and be located on the center line of condenser, light guide plate 2 is made of the small headlamp that can be individually turned on/close.It is preferred that
, camera 2 and light guide plate 3 are installed at 2 times of focal lengths of condenser.
The design of small headlamp is to choose target point in mirror-reflection on piece, because the design of mirror-reflection chip architecture is known
, then it is known that the coordinate of target point can calculate reflection light according to the mirror-reflection piece paraboloid equation of design
Position on light guide plate, this position are exactly the installation site of small headlamp, the number of small headlamp, depending on design point
It chooses, every piece of mirror-reflection piece can choose 8 target points, or more.
It is further fixed on support frame on the concave surface of condenser, is equipped with first along condenser centerline direction on support frame as described above
Fixture and the second fixture, laser is fixed on first fixture, and the center of second fixture is opened up along centerline direction
There is the aperture passed through for laser.
When opening laser, laser is launched by aperture, impinges upon on the camera lens of camera, solid for adjusting light guide plate
It is fixed.
In order to ensure the focusing accuracy of system mirror-reflection piece, it is necessary to assure the center of camera, light guide plate and condenser
The relative position of line.2 fixtures 8 are fixed in the present embodiment, on support frame, first fixture is placed on Stirling engine support
In structure, design, which should meet, can enable the light beam from laser be overlapped with system centre line.Second fixture is mounted on
On Stirling engine mounting, it has a aperture in center, and laser can extend there through.Pitch-row engine framework on target
Height is identical as engine receiver center.When laser passes through and when laser target sub-aperture will make the center line of laser beam and system
It is overlapped.
System further includes the printer for being connected to the computer of camera and connecting with computer, light guide plate and lamp control
Device processed is connected, and unlatching/closing of each small headlamp is controlled by lamp controller.Small headlamp is preferably LED light.
In the above-mentioned technical solutions, light guide plate is shone by small headlamp, and light emits directive from mirror-reflection piece
Camera, camera can be used as lamp controller for capturing the image formation by rays that mirror-reflection piece reflects, computer, order small
Headlamp unlatching/closing, and the imaging by being connected to camera acquisition reflection light handle data so that it is determined that mirror-reflection
The normal and angle of piece.Printer is connected to computer, to print the bolt adjustment amount after calculating.Laser, card
Tool and calibration lamp are used for so that camera is aligned with the center line of condenser.
During installation, system is installed on interior, if building ceiling it is not high enough, can punch on ceiling, camera and
Light guide plate is mounted on ceiling goes along with sb. to guard him 6 again.
Due to office operation, can there are wind or rainy influence to avoid outdoor.
The focus adjustment method of above-mentioned Salar light-gathering eyeglass focusing system, comprising steps of
(1), by laser alignment, so that camera, light guide plate are located on the center line of condenser；
(2), data setting is carried out, setting test id information finds the position of all mirror-reflection pieces；
(3), data acquire, and before opening small headlamp, one photo of shooting stores imaging data as background pictures；
A small headlamp is opened, takes pictures and stores imaging data, then turn off the light；
Next small headlamp is opened, take pictures and stores imaging data, continues starting/close small headlamp, storage photograph
Machine imaging is until obtain the imaging data of all small headlamps；
(4), data are analyzed, and carry out processing analysis to every photo, extract corresponding pixel data, and each photograph pixel carries out
Packed-pixel data are formed after comparison, and calculate Pixel surface normal, are fitted using least square method, are obtained mirror-reflection
The normal of piece, the normal angle and theoretical mirror-reflection piece angle changing rate, difference size is then that mirror surface sheet emitting must adjust
Amount, join Fig. 2 shown in.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (4)
1. a kind of Salar light-gathering eyeglass focusing system, which is characterized in that described poly- including condenser, light guide plate and camera
Level ground is fixed on the vertex on light device convex surface, and the concave surface array of the condenser is equipped with multiple mirror-reflection pieces, the leaded light
Plate and camera are set to the surface of the condenser, and are located on the center line of the condenser, and the light guide plate is by can
It is formed with the multiple small headlamps for being individually turned on/closing,
The light guide plate is connected with lamp controller, and unlatching/closing of each small headlamp is controlled by lamp controller, is opening small illumination
Before lamp, one photo of shooting stores imaging data as background pictures, opens a small headlamp, takes pictures and store imaging number
According to, it then turns off the light, opens next small headlamp, take pictures and store imaging data, continue starting/close small headlamp, storage
Imaging data of the camera imaging up to obtaining all small headlamps,
The camera and light guide plate are installed at 2 times of focal lengths of the condenser,
It further include the printer for being connected to the computer of the camera and being connect with computer.
2. Salar light-gathering eyeglass focusing system according to claim 1, it is characterised in that: on the concave surface of the condenser
It is further fixed on support frame, the first fixture and the second fixture is installed along condenser centerline direction on support frame as described above, described
Laser is fixed on one fixture, the center of second fixture offers the aperture passed through for laser along centerline direction.
3. Salar light-gathering eyeglass focusing system according to claim 1, it is characterised in that: the small headlamp is LED
Lamp.
4. the focus adjustment method of any Salar light-gathering eyeglass focusing system of claims 1 to 3, which is characterized in that including
Step:
(1), by laser alignment, so that camera, light guide plate are located on the center line of condenser；
(2), data setting is carried out, setting test id information finds the position of all mirror-reflection pieces；
(3), data acquire,
Before opening small headlamp, one photo of shooting stores imaging data as background pictures；
A small headlamp is opened, takes pictures and stores imaging data, then turn off the light；
Open next small headlamp, take pictures and store imaging data, continue starting/close small headlamp, storage camera at
As until obtaining the imaging data of all small headlamps；
(4), data are analyzed, and are carried out processing analysis to every photo, are extracted corresponding pixel data, each photograph pixel is compared
Packed-pixel data are formed afterwards, and calculate Pixel surface normal, are fitted using least square method, are obtained mirror-reflection piece
Normal obtains the adjustment amount of each mirror-reflection piece respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610156706.6A CN105717606B (en) | 2016-03-18 | 2016-03-18 | Salar light-gathering eyeglass focusing system and focus adjustment method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610156706.6A CN105717606B (en) | 2016-03-18 | 2016-03-18 | Salar light-gathering eyeglass focusing system and focus adjustment method |
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| CN105717606B true CN105717606B (en) | 2019-04-16 |
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| CN107908200B (en) * | 2017-12-25 | 2023-07-04 | 东方宏海新能源科技发展有限公司 | Focusing assembly production line and production method of disc tracking system |
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| CN102150282A (en) * | 2008-07-03 | 2011-08-10 | 葛瑞佛德太阳能股份有限公司 | Solar collector assembly |
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| CN102589157A (en) * | 2012-02-22 | 2012-07-18 | 湘潭牵引电气设备研究所有限公司 | Disc-type solar light condensation device |
| CN104067068A (en) * | 2011-10-07 | 2014-09-24 | 卡波尼尔复合材料公司 | Sandwich structure unit for solar collector mirrors |
| CN205450422U (en) * | 2016-03-18 | 2016-08-10 | 东方宏海新能源科技发展有限公司 | Solar energy condensing lens focusing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101903818A (en) * | 2007-12-21 | 2010-12-01 | 三井造船株式会社 | Mounting position measuring device |
| CN102150282A (en) * | 2008-07-03 | 2011-08-10 | 葛瑞佛德太阳能股份有限公司 | Solar collector assembly |
| CN104067068A (en) * | 2011-10-07 | 2014-09-24 | 卡波尼尔复合材料公司 | Sandwich structure unit for solar collector mirrors |
| CN102495640A (en) * | 2011-12-08 | 2012-06-13 | 深圳市联讯创新工场科技开发有限公司 | Heliostat calibration method and system for solar power station |
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