CN104697470A - Solar trough type condenser splicing-angle detection device and detection method - Google Patents
Solar trough type condenser splicing-angle detection device and detection method Download PDFInfo
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- CN104697470A CN104697470A CN201310663874.0A CN201310663874A CN104697470A CN 104697470 A CN104697470 A CN 104697470A CN 201310663874 A CN201310663874 A CN 201310663874A CN 104697470 A CN104697470 A CN 104697470A
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- sliding beam
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000003287 optical effect Effects 0.000 claims abstract description 43
- 238000005259 measurement Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 8
- 230000000052 comparative effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a solar trough type condenser splicing-angle detection device which comprises guide rails, a sliding beam, laser groups, beam expanders, an optical screen, a camera, a measuring platform, a computer module and a receive target. The laser groups include measuring laser groups and a benchmark lasers; a to-be-detected trough type condenser is installed on the measuring table through a to-be-detected condenser support, the guide rails are respectively arranged on two sides of the measurement platform, and the sliding beam is installed on the guide rails; the optical screen is installed on the sliding beam and is placed at the position of an ideal focal line of the to-be-detected trough type condenser; the benchmark lasers are installed on the sliding beam and is located above the optical screen; the measuring laser groups include a plurality of lasers, the lasers are lined up along the sliding beam and is fixed on the sliding beam, the beam expanders are further arranged under the lasers in the measuring laser groups; the camera is arranged nearby the optical screen and is fixed on the sliding beam through fixing rods; the receive target is parallel to the sliding beam with a certain distance.
Description
Technical field
The present invention relates to solar energy techniques field, particularly a kind of solar groove type condenser splicing angle detection device and detection method.
Background technology
Solar energy thermal-power-generating is considered to one of the most promising generation mode in future source of energy market.According to the difference of optically focused form, solar energy thermal-power-generating is divided into slot type, tower, dish-style and Fresnel etc. usually, and wherein the technology of trough type solar power generation is the most ripe, has carried out business-like practice abroad.In trough type solar power generation, slot light collection mirror is the critical component of thermal power station, the generating efficiency in power station depends on the light gathering efficiency of slot light collection mirror to a great extent, so need to ensure that the surface figure accuracy of slot light collection mirror meets designing requirement in power plant construction or operational process.Slot light collection mirror is generally be spliced by sub-mirror, therefore after the static foozle of each sub-mirror is qualified after testing, need one efficiently and effectively pick-up unit slot light collection mirror splicing angular error is detected, thus instruct debuging and assessing of Jing Chang.
At present, the method that solar groove type condenser splicing angle detects mainly contains photographic process, image method etc.Photographic process is elder generation's sticking sign point on tested condenser, camera is utilized to carry out imaging in different angles to these monumented points, solved the coordinate of monumented point by the spatial relation of picture point, object point, and simulate the 3 d shape of condenser, thus draw the relative inclination of each sub-mirror.The method precision is very high, but needs at a large amount of monumented point of condenser surface mount, comparatively loaded down with trivial details and consuming time, and is not suitable for Quick Measurement.Image method mainly contains endothermic tube reflectometry and target reflectometry etc.They are the images launched through measured lens by shooting endothermic tube (or special target), and reflected image can be modulated by mirror shape, just can obtain the splicing angle between each sub-mirror through graphical analysis.Image method can be measured fast, but system calibrating and follow-up image procossing all very complicated.In concrete practice, people also use the measuring method of some machineries, and as the angle of two face mirrors measured by direct inclinator, thus guidance is debug.But this method requires that curvature mirror can not be too large, and process is loaded down with trivial details time-consuming.
Summary of the invention
The object of the invention is to overcome the defect that existing solar groove type condenser splicing angle detection device is loaded down with trivial details, consuming time with detection method, thus a kind of quick, easy solar groove type condenser splicing angle detection device and detection method are provided.
To achieve these goals, the invention provides a kind of solar groove type condenser splicing angle detection device, for detecting splicing angle to the solar groove type condenser be spliced by the sub-mirror of the little reflection of multiaspect, comprise guide rail 1, sliding beam 2, laser array, beam expanding lens 5, optical screen 6, camera 9, measuring table 12, computing module 15 and receiving target 17; Wherein, described laser array comprises measurement laser array 4 and benchmark laser 3;
Tested slot light collection mirror 14 is arranged on described measuring table 12 by measured lens support 13, described guide rail 1 is separately installed with in the both sides of described measuring table 12, described sliding beam 2 is arranged on described guide rail 1, it can slide along the focal line direction of tested slot light collection mirror 14, also can around own rotation; Described optical screen 6 to be arranged on sliding beam 2 and to be placed on the desirable focal line place of tested slot light collection mirror 14; Described benchmark laser 3 to be arranged on described sliding beam 2 and above described optical screen 6; Described measurement laser array 4 comprises multiple laser instrument, and these laser instruments are in one line and be fixed on described sliding beam 2 along described sliding beam 2, and the below of each laser instrument in described measurement laser array 4 is also provided with beam expanding lens 5; Described camera 9 is near described optical screen 6, it is fixed on described sliding beam 2 by camera fixed bar 10, the shooting results of described camera 9 is transferred to described computing module 15, is detected the splicing angular error of the sub-mirror of each little reflection in tested slot light collection mirror 14 by described computing module 15 according to spot detection result; Described receiving target 17 is parallel with described sliding beam 2 and have certain distance.
In technique scheme, in described measurement laser array 4, the number of contained laser instrument should ensure that the sub-mirror of each little reflection in described tested slot light collection mirror 14 has a branch of test beams at least.
In technique scheme, described receiving target 17 is 10-100m with the distance of sliding beam 2.
Present invention also offers a kind of detection method realized based on described solar groove type condenser splicing angle detection device, comprising:
Step 1), tested slot light collection mirror 14 to be placed on solar groove type condenser splicing angle detection device, to stick distinctive mark point 16 at centre matching gap 8 place of tested slot light collection mirror 14;
Step 2), benchmark laser 3 is adjusted to parallel with the optical axis of slot light collection mirror 14;
Step 3), adjustment measure each laser instrument in laser array 4, make it parallel with benchmark laser 3, thus ensure that the light beam that measurement laser array 4 sends is parallel with the optical axis of tested slot light collection mirror 14;
The light beam that step 4), measurement laser array 4 send incides on tested slot light collection mirror 14 after beam expanding lens 5 expands, and projects on optical screen 6 after reflection;
The light spot image on optical screen 6 taken by step 5), camera 9, and is transferred in computing module 15 by data line 11 by image information;
Step 6), computing module 15 pairs of light spot image information process, obtain the position of light spot image, the theoretical position of obtained light spot image position and light spot image is compared, judges that whether the splicing angular error of tested slot light collection mirror 14 is qualified according to comparative result.
In technique scheme, described step 2) comprising:
Adjustment measured lens support 13 and optical screen 6, make the line of the collimating eyelet 7 that is positioned on optical screen 6 and the distinctive mark point 16 that is positioned at measured lens centre matching gap 8 place be just in time the optical axis direction of tested slot light collection mirror 14,
Then adjust the position of benchmark laser 3 on sliding beam 2 and attitude, the light beam that benchmark laser 3 is sent just in time is beaten on distinctive mark point 16 through after collimating eyelet 7.
In technique scheme, described step 3) comprises:
Sliding beam 2 is turned 90 ° around self, and the beam projection that benchmark laser 3 and measurement laser array 4 send is on receiving target 17;
Adjust the attitude of described measurement laser array 4, the hot spot of described measurement laser array 4 on receiving target 17 is made to line up a straight line paralleled with sliding beam 2 with the hot spot of benchmark laser 3, and the spacing of each hot spot is corresponding with the spacing of each laser instrument on sliding beam 2, thus make described measurement laser array 4 completely parallel with benchmark laser 3;
Then sliding beam 2 is adjusted to sweep test attitude around self reversion 90 °, the light beam that described measurement laser array 4 is sent is parallel with the optical axis of tested slot light collection mirror 14.
The invention has the advantages that:
1, solar groove type condenser splicing angle detection device of the present invention can detect the splicing angular error of solar groove type condenser quickly and accurately.
2, compared with classic method, detection method of the present invention not only measuring speed is fast, and accuracy of detection is higher, and system calibrating and image procossing simple, be easy to operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of solar groove type condenser of the present invention splicing angle detection device;
Fig. 2 adjusts the test beams method schematic diagram parallel with measured lens optical axis in the invention process process.
Drawing explanation
1 guide rail 2 sliding beam 3 benchmark laser
4 measure laser array 5 beam expanding lens 6 optical screen
7 collimating eyelet 8 measured lens centre matching gap 9 cameras
10 camera fixed bar 11 data line 12 measuring tables
13 measured lens support 14 tested slot light collection mirror 15 computing module
16 monumented point 17 receiving targets
Embodiment
Now the invention will be further described by reference to the accompanying drawings.
Slot light collection mirror 14 involved in the present invention is spliced by the some pieces of sub-mirrors of (>=2 pieces) little reflection, and whether pick-up unit of the present invention can meet the requirements to the splicing angle of the sub-mirror of each little reflection in this slot light collection mirror is detected.
As shown in Figure 1, solar groove type condenser splicing angle detection device of the present invention comprises guide rail 1, sliding beam 2, laser array, beam expanding lens 5, optical screen 6, camera 9, measuring table 12, computing module 15 and receiving target 17; Wherein, described laser array comprises measurement laser array 4 and benchmark laser 3;
Tested slot light collection mirror 14 is arranged on described measuring table 12 by measured lens support 13, guide rail 1 is separately installed with in the both sides of described measuring table 12, described sliding beam 2 is arranged on described guide rail 1, and it can slide along the focal line direction of tested slot light collection mirror 14, also can around own rotation; Described optical screen 6 to be arranged on sliding beam 2 and to be placed on the desirable focal line place of tested slot light collection mirror 14; Described benchmark laser 3 to be arranged on described sliding beam 2 and above described optical screen 6; Described measurement laser array 4 comprises multiple laser instrument, and these laser instruments are in one line and be fixed on described sliding beam 2 along described sliding beam 2, and the below of each laser instrument in described measurement laser array 4 is also provided with beam expanding lens 5; Described camera 9 is near described optical screen, it is fixed on described sliding beam 2 by camera fixed bar 10, the shooting results of described camera 9 is transferred to described computing module 15, is detected the splicing angular error of the sub-mirror of each little reflection in tested slot light collection mirror 14 by described computing module 15 according to spot detection result; Described receiving target 17 is parallel with described sliding beam 2 and have certain distance.
Below the various piece in solar groove type condenser splicing angle detection device is described further.
In described measurement laser array 4, the contained number of laser instrument is relevant with the quantity of the sub-mirror of little reflection in the demand of measuring accuracy and tested slot light collection mirror 14, should ensure that every block mirror has a branch of test beams at least.
Described receiving target 17 is 50m with the distance of sliding beam 2.In other embodiments, this distance value also can change as required, generally between 10-100m.
Described camera 9 is for gathering the facula information on optical screen 6, and its position and attitude can adjust the facula information blur-free imaging guaranteed on aiming screen 6.
Be more than that the structure of solar groove type condenser splicing angle detection device of the present invention is illustrated, below in conjunction with this device, the method detecting solar groove type condenser splicing angle be described.
Method of the present invention comprises:
Step 1), tested slot light collection mirror 14 to be placed on solar groove type condenser splicing angle detection device, to stick distinctive mark point 16 at centre matching gap 8 place of tested slot light collection mirror 14.
Step 2), benchmark laser 3 is adjusted to parallel with the optical axis of slot light collection mirror 14.
This adjustment process specifically comprises: adjustment measured lens support 13 and optical screen 6, the line of distinctive mark point 16 making to be positioned at the collimating eyelet 7 on optical screen 6 and be positioned at measured lens centre matching gap 8 place is just in time the optical axis direction of tested slot light collection mirror 14, then adjust the position of benchmark laser 3 on sliding beam 2 and attitude, the light beam that benchmark laser 3 is sent just in time is beaten on distinctive mark point 16 through after collimating eyelet 7.
Step 3), adjustment measure each laser instrument in laser array 4, make it parallel with benchmark laser 3, thus ensure that the light beam that measurement laser array 4 sends is parallel with the optical axis of tested slot light collection mirror 14.
As shown in Figure 2, this adjustment process specifically comprises: sliding beam 2 is turned 90 ° around self, and the beam projection that benchmark laser 3 and measurement laser array 4 send is on receiving target 17; The attitude of laser array 4 is measured in adjustment, make to measure the hot spot of laser array 4 on receiving target 17 and line up a straight line paralleled with sliding beam 2 with the hot spot of benchmark laser 3, and the spacing of each hot spot is corresponding with the spacing of each laser instrument on sliding beam 2.Such measurement laser array 4 just parallels completely with benchmark laser 3.Then sliding beam 2 is adjusted to sweep test attitude around self reversion 90 °, at this moment measure the light beam that sends of laser array 4 just parallel with the optical axis of tested slot light collection mirror 14.
The light beam that step 4), measurement laser array 4 send incides on tested slot light collection mirror 14 after beam expanding lens 5 expands, and projects after reflection on optical screen 6.
The light spot image on optical screen 6 taken by step 5), camera 9, and image information is transferred in computing module 15 by data line 11.
Step 6), computing module 15 pairs of light spot image information process, obtain the position of light spot image, the theoretical position of obtained light spot image position and light spot image is compared, can judge that whether the splicing angular error of tested slot light collection mirror 14 is qualified by comparative result.
After the splicing angular error obtaining tested slot light collection mirror 14, the splicing that can be used to guide tested slot light collection mirror 14 in subsequent step is debug.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. a solar groove type condenser splicing angle detection device, for detecting splicing angle to the solar groove type condenser be spliced by the sub-mirror of the little reflection of multiaspect, it is characterized in that, comprise guide rail (1), sliding beam (2), laser array, beam expanding lens (5), optical screen (6), camera (9), measuring table (12), computing module (15) and receiving target (17); Wherein, described laser array comprises measurement laser array (4) and benchmark laser (3);
Tested slot light collection mirror (14) is arranged on described measuring table (12) by measured lens support (13), described guide rail (1) is separately installed with in the both sides of described measuring table (12), described sliding beam (2) is arranged on described guide rail (1), it can slide along the focal line direction of tested slot light collection mirror (14), also can around own rotation; Described optical screen (6) is arranged on sliding beam (2) and goes up and the desirable focal line place being placed on tested slot light collection mirror (14); It is upper and in the top of described optical screen (6) that described benchmark laser (3) is arranged on described sliding beam (2); Described measurement laser array (4) comprises multiple laser instrument, these laser instruments are in one line and be fixed on described sliding beam (2) along described sliding beam (2), and the below of each laser instrument in described measurement laser array (4) is also provided with beam expanding lens (5); Described camera (9) is near described optical screen (6), it is fixed on described sliding beam (2) by camera fixed bar (10), the shooting results of described camera (9) is transferred to described computing module (15), is detected the splicing angular error of the sub-mirror of each little reflection in tested slot light collection mirror (14) by described computing module (15) according to spot detection result; Described receiving target (17) is parallel with described sliding beam (2) and have certain distance.
2. solar groove type condenser splicing angle detection device according to claim 1, it is characterized in that, in described measurement laser array (4), the number of contained laser instrument should ensure that the sub-mirror of each little reflection in described tested slot light collection mirror (14) has a branch of test beams at least.
3. solar groove type condenser splicing angle detection device according to claim 1, it is characterized in that, described receiving target (17) is 10-100m with the distance of sliding beam (2).
4., based on the detection method that the solar groove type condenser splicing angle detection device one of claim 1-3 Suo Shu realizes, comprising:
Step 1), tested slot light collection mirror (14) to be placed on solar groove type condenser splicing angle detection device, to stick distinctive mark point (16) at centre matching gap (8) place of tested slot light collection mirror (14);
Step 2), benchmark laser (3) is adjusted to parallel with the optical axis of slot light collection mirror (14);
Step 3), adjustment measure each laser instrument in laser array (4), make it parallel with benchmark laser (3), thus ensure that the light beam that measurement laser array (4) sends is parallel with the optical axis of tested slot light collection mirror (14);
The light beam that step 4), measurement laser array (4) send incides on tested slot light collection mirror (14) after beam expanding lens (5) expands, and projects on optical screen (6) after reflection;
Light spot image on step 5), camera (9) shooting optical screen (6), and by data line (11), image information is transferred in computing module (15);
Step 6), computing module (15) process light spot image information, obtain the position of light spot image, the theoretical position of obtained light spot image position and light spot image is compared, judges that whether the splicing angular error of tested slot light collection mirror (14) is qualified according to comparative result.
5. detection method according to claim 4, is characterized in that, described step 2) comprising:
Adjustment measured lens support (13) and optical screen (6), the line of the collimating eyelet (7) that is positioned on described optical screen (6) and the distinctive mark point (16) that is positioned at measured lens centre matching gap (8) place is made to be just in time the optical axis direction of tested slot light collection mirror (14)
Then adjust the position of benchmark laser (3) on sliding beam (2) and attitude, the light beam that described benchmark laser (3) is sent just in time is beaten on distinctive mark point (16) through after collimating eyelet (7).
6. detection method according to claim 4, is characterized in that, described step 3) comprises:
Sliding beam (2) is turned 90 ° around self, and the beam projection that benchmark laser (3) and measurement laser array (4) send is on receiving target (17);
Adjust the attitude of described measurement laser array (4), the hot spot of described measurement laser array (4) on receiving target (17) is made to line up a straight line paralleled with sliding beam (2) with the hot spot of benchmark laser (3), and the spacing of each hot spot is corresponding with the spacing of each laser instrument on sliding beam (2), thus make described measurement laser array (4) completely parallel with benchmark laser (3);
Then sliding beam (2) is adjusted to sweep test attitude around self reversion 90 °, the light beam that described measurement laser array (4) is sent is parallel with the optical axis of tested slot light collection mirror (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310663874.0A CN104697470A (en) | 2013-12-08 | 2013-12-08 | Solar trough type condenser splicing-angle detection device and detection method |
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| CN201310663874.0A CN104697470A (en) | 2013-12-08 | 2013-12-08 | Solar trough type condenser splicing-angle detection device and detection method |
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| CN105136430A (en) * | 2015-08-13 | 2015-12-09 | 武汉圣普太阳能科技有限公司 | Testing method and testing device for molded surface precision of trough type condenser |
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| CN107883893A (en) * | 2017-10-31 | 2018-04-06 | 湖北工业大学 | A kind of solar concentrator curved surface automatic checkout system and method |
| CN108253885A (en) * | 2017-12-19 | 2018-07-06 | 南通远控自动化技术有限公司 | A kind of groove type solar speculum detection device and its detection method |
| CN110006632A (en) * | 2019-03-29 | 2019-07-12 | 北京首航艾启威节能技术股份有限公司 | System and method for detecting surface shape quality of heliostat mirror of single camera |
| CN112923877A (en) * | 2021-01-27 | 2021-06-08 | 荆门宏图特种飞行器制造有限公司 | Spherical shell plate curvature deviation detection device and method |
| CN115096219A (en) * | 2022-06-20 | 2022-09-23 | 中国航发北京航空材料研究院 | Detection device for transparent ceramic plate splicing flatness and semi-quantitative test method |
| CN108871217B (en) * | 2017-05-12 | 2024-05-07 | 约克广州空调冷冻设备有限公司 | Fin spacing measurement system and measurement method |
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| CN112923877A (en) * | 2021-01-27 | 2021-06-08 | 荆门宏图特种飞行器制造有限公司 | Spherical shell plate curvature deviation detection device and method |
| CN112923877B (en) * | 2021-01-27 | 2023-08-11 | 荆门宏图特种飞行器制造有限公司 | Device and method for detecting curvature deviation of spherical shell plate |
| CN115096219A (en) * | 2022-06-20 | 2022-09-23 | 中国航发北京航空材料研究院 | Detection device for transparent ceramic plate splicing flatness and semi-quantitative test method |
| CN115096219B (en) * | 2022-06-20 | 2024-09-13 | 中国航发北京航空材料研究院 | Detection device for splicing flatness of transparent ceramic plates and semi-quantitative test method |
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Application publication date: 20150610 |