CN102981240A - Focusing method for disc-type solar energy collector - Google Patents
Focusing method for disc-type solar energy collector Download PDFInfo
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- CN102981240A CN102981240A CN201210486173XA CN201210486173A CN102981240A CN 102981240 A CN102981240 A CN 102981240A CN 201210486173X A CN201210486173X A CN 201210486173XA CN 201210486173 A CN201210486173 A CN 201210486173A CN 102981240 A CN102981240 A CN 102981240A
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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
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- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention relates to a focusing method for a disc-type solar energy collector. The focusing method for the disc-type solar energy collector at present is difficult in operation, low in debugging efficiency and low in focusing accuracy. The focusing method comprises the following steps that a target is installed at a focusing position of a disc face of the disc-type solar energy collector; the disc face of the disc-type solar energy collector comprises a number block reflection panel; the target is of a flat structure, the target is matched with the solar energy collector, a plurality of marks are arranged on one face of the target facing to the disc face, and quantity and distribution modes of the marks are respectively unanimous with the reflection panel of the solar energy collector; the reflection panel disc-type solar energy collector is adjusted to enable the marks on the target to image on the corresponding reflection panel; and each reflection panel is adjusted to enable the marks on the whole target to completely image on the disc face, and focusing work of the disc-type solar energy collector is completed. The focusing method is simple in operation, high in debugging efficiency and high in focusing accuracy.
Description
Technical field
The present invention relates to a kind of focus adjustment method, especially the focus adjustment method that relates to a kind of disc type solar energy heat collector, it is large to be mainly used in regulation disc face area, and the disc type solar energy heat collector that whole dish face is comprised of the polylith Reflector Panel, such as dish face area at tens square metres to hundreds of square metres, and reflection dish face adopts the disc type solar energy heat collector of distinguish installation, be specially adapted to the disc type solar energy heat collector in the solar-thermal generating system of middle and small scale and test usefulness is focused, be a kind of adjustment method of solar energy collectors, belong to solar energy heat utilization field.
Background technology
Solar energy utilization technique is the advanced subject of world today's regenerative resource research field, it utilizes the high precision condenser that low-density solar energy converging is become density of heat energy, and by heat sink heat energy is carried out trans-utilization, have the advantage of zero-emission, sustainable use.Solar thermal utilization mainly is divided into slot type, tower and three kinds of forms of dish formula, and the most potential at present is disc type solar energy heat build-up technology, and dish formula Stirling solar generation technology made the world attract attention because of its alarming development speed especially especially in recent years.The disc type solar energy heat collector utilize rotational paraboloid mirror with solar light focusing to the receiver that is positioned at parabolic focus, the working medium in the receiver is heated to about 750 ℃, drives heat engine and generates electricity.It has the photoelectric transformation efficiency height, water consumption is low, generation mode is flexible and the advantage such as scale progressively.
At present, external disc type solar energy technology has been tending towards ripe, is in pilot scale and large-scale promotion stage.By contrast, although domestic correlation technique research has obtained some achievements, also do not obtain on the whole substantial progress, correlative study still is in the junior stage.In most cases, disc type solar energy heat collector and Stirling engine form a generator unit, the core component of this generator unit is Stirling engine, yet, in whole dish formula system, also have a gordian technique not cause extensive concern, perhaps relevant technical literature and scientific paper is actually rare, that is exactly the debugging technique of dish formula heat collector, and the focal beam spot that is about to the dish face is adjusted on the heat dump, therefore also can be referred to as the focusing technology of dish face.
For obtaining higher conversion efficiency and better economy, the development trend of disc type solar energy heat collector is undoubtedly the continuous increase of reflective surface area, consider the limitation of manufacturing process and installation, transportation, tens square metres to up to a hundred square metres reflection dish face certainly will be adopted the structure of distinguish installation, be that whole dish face is comprised of the polylith Reflector Panel, such disc type solar energy heat collector needed every positions of panels is readjusted, to obtain good focusing effect in the debug phase.
The congregational rate of Reflector Panel, most important in whole dish formula system, it will directly affect efficient, reliability and safety of system etc.At present, although the domestic disc type solar energy thermoelectric device of having developed, but substantially also rest on the test phase of model machine, for only be the debugging of individual system, general all directly focusing under the sunshine direct projection, the impact of climate environment is large, the operation easier of this kind focusing mode is large, efficient is low, and accuracy is unreliable, and has serious potential safety hazard.In addition, along with the development of dish formula system, to the large-scale commercial operations in later stage, for tens even the photo-thermal power station that consists of of hundreds of cover dish formula device, the focusing technology of dish formula systematic reflection panel will be held the balance.
In sum, also do not have at present a kind of simple to operately, debugging efficiency is high, and the degree of accuracy of focusing is high, and the security performance of focusing process is high, does not have sunshine still can continue the focus adjustment method of the disc type solar energy heat collector of operation.
Summary of the invention
The object of the invention is to overcome above shortcomings in the prior art, and provide a kind of simple to operate, and debugging efficiency is high, and the degree of accuracy of focusing is high, the security performance of focusing process is high, does not have sunshine still can continue the focus adjustment method of the disc type solar energy heat collector of operation.
The present invention addresses the above problem the technical scheme that adopts: the characteristics of the focus adjustment method of this disc type solar energy heat collector are: described focus adjustment method comprises the steps:
(1) at the focus place of the dish face of disc type solar energy heat collector a target is installed; The dish face of described disc type solar energy heat collector comprises the several piece Reflector Panel; Described target is plate-like structure, the shape of this target and size are complementary with shape and the size of disc type solar energy heat collector respectively, described target is provided with several marks towards the one side of dish face, the quantity of described mark and distribution form respectively with the disc type solar energy heat collector in quantity and the distribution form of Reflector Panel be consistent so that mark and Reflector Panel are corresponding one by one;
(2) Reflector Panel on the regulation disc formula solar energy collectors is so that be marked at imaging on the corresponding with it Reflector Panel on the target; After regulating every Reflector Panel, finally reach the purpose of mark perfect imaging on the dish face on the whole target, thereby finish focusing work to the disc type solar energy heat collector.
As preferably, in the step of the present invention (2), during Reflector Panel on regulation disc formula solar energy collectors, adopt the imaging on the Reflector Panel that is marked at correspondence in video camera observation and the record target, described position for video camera is on the central shaft of the dish face of disc type solar energy heat collector, and the distance between video camera and the dish face is more than or equal to four times of focal lengths of the dish face of disc type solar energy heat collector.
As preferably, be labeled as a kind of or two or more in pattern, numeral, literal, letter, shape and the color on the target of the present invention.
As preferably, in the step of the present invention (2), during Reflector Panel on regulation disc formula solar energy collectors, be marked at imaging on the corresponding Reflector Panel in the target, and the virtual image of the mark in the target is covered with the corresponding Reflector Panel of monoblock.
As preferably, distinct between adjacent two marks in the mark on the target of the present invention, so that tell easily the overall distribution situation of mark on the target, be convenient to the imaging on the corresponding with it Reflector Panel that is marked on the target.
As preferably, in the step of the present invention (1), first described disc type solar energy heat collector is adjusted horizontal structure, then at the focus place of the dish face of disc type solar energy heat collector a target is installed.
The present invention compared with prior art has the following advantages and effect: 1, utilize the principle of optical imagery to focus on debugging, with routine under direct sunlight, and compare by the focus adjustment method of eye-observation, have higher accuracy and reliability.2, the focusing cost is low, need not any professional equipment and high-end technology, and used target also can be debugged the with low cost of work by making by hand, implements relatively easy.Though 3 carry out out of doors, do not have sunshine still can continue operation, so that the construction and installation duration of dish formula thermo-power station is more controlled, workmen's security obtains reliable guarantee.4, simple to operate, focusing efficient is high, and it is large to be mainly used in regulation disc face area, and whole dish face is conducive to promote the better development of disc type solar energy heat collector by the disc type solar energy heat collector that the polylith Reflector Panel forms.
Description of drawings
Fig. 1 is the structural representation between disc type solar energy heat collector, target and the video camera in the disc type solar energy heat collector focus adjustment method of the embodiment of the invention.
Fig. 2 is the structure for amplifying synoptic diagram of target in the embodiment of the invention.
Fig. 3 is the structural representation of the dish face in the disc type solar energy heat collector of the embodiment of the invention.
Fig. 4 is after the adjusting by the focus adjustment method of the disc type solar energy heat collector in the embodiment of the invention, carries out the structural representation after the imaging on the dish face among Fig. 3 of being marked on the target among Fig. 2.
Fig. 5 is with the structural representation of the light of with good grounds optical imaging concept trend among Fig. 1.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 5, the focus adjustment method of the disc type solar energy heat collector 1 in the present embodiment comprises the steps.
(1) first disc type solar energy heat collector 1 is adjusted horizontal structure, then at the focus place of the dish face of disc type solar energy heat collector 1 target 2 is installed, one in the target 2 facing to the dish face.The focus place of the dish face of said disc type solar energy heat collector 1 is the theoretical focal point place in the present embodiment, and the theoretical focal point place of this dish face can be by calculating, and this belongs to common practise to those skilled in the art.
The dish face of the disc type solar energy heat collector 1 in the present embodiment comprises several piece Reflector Panel 4, and tens piece to thousands of piece between, can regulate usually by the angle that is positioned at the Reflector Panel 4 on the disc type solar energy heat collector 1 for the quantity of this Reflector Panel 4.
Present embodiment is provided with several marks 5 at target 2 towards the one side of dish face, the quantity of mark 5 and distribution form respectively with disc type solar energy heat collector 1 in quantity and the distribution form of Reflector Panel 4 be consistent so that mark 5 and Reflector Panel 4 are corresponding one by one.What the mark 5 in the present embodiment on the target 2 adopted is the form that is fan-shaped distribution and is printed on single arabic numeral, and what the mark 5 on the target 2 among the present invention can be in pattern, numeral, literal, letter, shape and the color is a kind of or two or more.Generally, distinct between adjacent two marks 5 in the mark 5 on the target 2, so that tell easily the overall distribution situation of mark 5 on the target 2, be convenient to mark 5 imaging 6 on corresponding with it Reflector Panel 4 on the target 2.
(2) Reflector Panel 4 on the regulation disc formula solar energy collectors 1, adopt the imaging 6 of mark 5 on the Reflector Panel 4 of correspondence in video camera 3 observations and the record target 2, video camera 3 is arranged in the dead ahead of disc type solar energy heat collector 1, and video camera 3 is positioned on the central shaft of dish face of disc type solar energy heat collector 1, and the distance between this video camera 3 and the dish face is more than or equal to four times of focal lengths of the dish face of disc type solar energy heat collector 1.Straight line y is the central shaft of the dish face of disc type solar energy heat collector 1.
Can be convenient to observe and record the imaging 6 of target 2 by video camera 3, theoretically, video camera 3 should be placed on dish face dead ahead infinite point, so just can observe the clearly imaging 6 of mark 5 on Reflector Panel 4 on the target 2, but in actual mechanical process, when video camera 3 from the dish identity distance from greater than four times of focal lengths the time, just substantially can satisfy the focusing requirement, can implement the focus adjustment method among the present invention.Be exactly distance between video camera 3 and the dish face apart from d, apart from the length of d four times of focal lengths more than or equal to the dish face of disc type solar energy heat collector 1.
The imaging 6 on corresponding with it Reflector Panel 4 of mark 5 on the target 2 in the present embodiment, and the virtual image of the mark in the target 25 is covered with the corresponding Reflector Panel of monoblock 4.After regulating every Reflector Panel 4, finally reach the purpose of mark 5 perfect imagings 6 on the dish face on the whole target 2, thereby finish focusing work to disc type solar energy heat collector 1.
Although the present invention with embodiment openly as above; but it is not to limit protection scope of the present invention; any technician who is familiar with this technology not breaking away from change and the retouching of doing in the spirit and scope of the present invention, all should belong to protection scope of the present invention.
Claims (6)
1. the focus adjustment method of a disc type solar energy heat collector, it is characterized in that: described focus adjustment method comprises the steps:
(1) at the focus place of the dish face of disc type solar energy heat collector a target is installed; The dish face of described disc type solar energy heat collector comprises the several piece Reflector Panel; Described target is plate-like structure, the shape of this target and size are complementary with shape and the size of disc type solar energy heat collector respectively, described target is provided with several marks towards the one side of dish face, the quantity of described mark and distribution form respectively with the disc type solar energy heat collector in quantity and the distribution form of Reflector Panel be consistent so that mark and Reflector Panel are corresponding one by one;
(2) Reflector Panel on the regulation disc formula solar energy collectors is so that be marked at imaging on the corresponding with it Reflector Panel on the target; After regulating every Reflector Panel, finally reach the purpose of mark perfect imaging on the dish face on the whole target, thereby finish focusing work to the disc type solar energy heat collector.
2. the focus adjustment method of disc type solar energy heat collector according to claim 1, it is characterized in that: in the described step (2), during Reflector Panel on regulation disc formula solar energy collectors, adopt the imaging on the Reflector Panel that is marked at correspondence in video camera observation and the record target, described position for video camera is on the central shaft of the dish face of disc type solar energy heat collector, and the distance between video camera and the dish face is more than or equal to four times of focal lengths of the dish face of disc type solar energy heat collector.
3. the focus adjustment method of disc type solar energy heat collector according to claim 1 and 2 is characterized in that: be labeled as a kind of or two or more in pattern, numeral, literal, letter, shape and the color on the described target.
4. the focus adjustment method of disc type solar energy heat collector according to claim 1 and 2, it is characterized in that: in the described step (2), during Reflector Panel on regulation disc formula solar energy collectors, imaging on the Reflector Panel that is marked at correspondence in the target, and the virtual image of the mark in the target is covered with the corresponding Reflector Panel of monoblock.
5. the focus adjustment method of disc type solar energy heat collector according to claim 1 and 2, it is characterized in that: in the mark on the described target, distinct between adjacent two marks, so that tell easily the overall distribution situation of mark on the target, be convenient to the imaging on the corresponding with it Reflector Panel that is marked on the target.
6. the focus adjustment method of disc type solar energy heat collector according to claim 1 and 2, it is characterized in that: in the described step (1), first described disc type solar energy heat collector is adjusted horizontal structure, then at the focus place of the dish face of disc type solar energy heat collector a target is installed.
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| CN201210486173.XA CN102981240B (en) | 2012-11-26 | 2012-11-26 | Focusing method for disc-type solar energy collector |
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| CN201210486173.XA CN102981240B (en) | 2012-11-26 | 2012-11-26 | Focusing method for disc-type solar energy collector |
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| CN102981240A true CN102981240A (en) | 2013-03-20 |
| CN102981240B CN102981240B (en) | 2015-02-04 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062743A (en) * | 2014-07-07 | 2014-09-24 | 大连宏海新能源发展有限公司 | Automatic focusing system used for regulating solar condensing lens and focusing method thereof |
| CN105758024A (en) * | 2016-03-18 | 2016-07-13 | 东方宏海新能源科技发展有限公司 | Disc-type tracking system focusing method |
| CN106526783A (en) * | 2017-01-18 | 2017-03-22 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | Solar concentrated disc manual dimming device |
| CN106547062A (en) * | 2017-01-18 | 2017-03-29 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | A kind of Salar light-gathering video disc automatic light control system |
| CN106556912A (en) * | 2017-01-18 | 2017-04-05 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | A kind of Salar light-gathering video disc automatic light modulation device |
| CN106707457A (en) * | 2017-01-18 | 2017-05-24 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | Solar energy optically focused disc light modulation system |
| CN106772920A (en) * | 2017-01-18 | 2017-05-31 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | A kind of focus adjustment method and focusing system of Salar light-gathering concentrator |
| CN106989526A (en) * | 2017-04-14 | 2017-07-28 | 天津清芸主力能源科技有限公司 | A kind of dish-style condenser is in line focus calibrating installation |
| CN107315885A (en) * | 2017-07-05 | 2017-11-03 | 大连宏海新能源发展有限公司 | The uniform disc type solar energy system focus adjustment method of energy flow distribution |
| CN111397225A (en) * | 2020-04-07 | 2020-07-10 | 大连工业大学 | Method for installing and correcting disc type solar mirror surface |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062743A (en) * | 2014-07-07 | 2014-09-24 | 大连宏海新能源发展有限公司 | Automatic focusing system used for regulating solar condensing lens and focusing method thereof |
| CN105758024A (en) * | 2016-03-18 | 2016-07-13 | 东方宏海新能源科技发展有限公司 | Disc-type tracking system focusing method |
| CN106707457B (en) * | 2017-01-18 | 2023-06-06 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | Solar energy spotlight video disc dimming system |
| CN106526783A (en) * | 2017-01-18 | 2017-03-22 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | Solar concentrated disc manual dimming device |
| CN106556912A (en) * | 2017-01-18 | 2017-04-05 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | A kind of Salar light-gathering video disc automatic light modulation device |
| CN106707457A (en) * | 2017-01-18 | 2017-05-24 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | Solar energy optically focused disc light modulation system |
| CN106772920A (en) * | 2017-01-18 | 2017-05-31 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | A kind of focus adjustment method and focusing system of Salar light-gathering concentrator |
| CN106526783B (en) * | 2017-01-18 | 2023-06-06 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | Manual dimming device of solar energy spotlight disc |
| CN106556912B (en) * | 2017-01-18 | 2023-06-06 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | Automatic light adjusting device of solar energy light gathering disc |
| CN106547062B (en) * | 2017-01-18 | 2023-06-06 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | Automatic dimming system of solar energy light-gathering disc |
| CN106547062A (en) * | 2017-01-18 | 2017-03-29 | 西部国际绿色能源斯特林(贵州)智能装备制造有限公司 | A kind of Salar light-gathering video disc automatic light control system |
| CN106989526A (en) * | 2017-04-14 | 2017-07-28 | 天津清芸主力能源科技有限公司 | A kind of dish-style condenser is in line focus calibrating installation |
| CN107315885B (en) * | 2017-07-05 | 2020-11-03 | 大连宏海新能源发展有限公司 | Disc type solar system focusing method with uniformly distributed energy flow |
| CN107315885A (en) * | 2017-07-05 | 2017-11-03 | 大连宏海新能源发展有限公司 | The uniform disc type solar energy system focus adjustment method of energy flow distribution |
| CN111397225B (en) * | 2020-04-07 | 2021-10-15 | 大连工业大学 | Method for installing and correcting disc type solar mirror surface |
| CN111397225A (en) * | 2020-04-07 | 2020-07-10 | 大连工业大学 | Method for installing and correcting disc type solar mirror surface |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang Province, 310030 Xihu District science and Technology Park of West Lake Park Road, No. 10 Patentee after: Huadian Power Science Research Institute Co., Ltd. Address before: Hangzhou City, Zhejiang Province, 310030 Xihu District science and Technology Park of West Lake Park Road, No. 10 Patentee before: China Huadian Electric Research Institute |