CN201945729U - Stable support device of heliostat with spinning-elevation tracking mode - Google Patents
Stable support device of heliostat with spinning-elevation tracking mode Download PDFInfo
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- CN201945729U CN201945729U CN2010205850211U CN201020585021U CN201945729U CN 201945729 U CN201945729 U CN 201945729U CN 2010205850211 U CN2010205850211 U CN 2010205850211U CN 201020585021 U CN201020585021 U CN 201020585021U CN 201945729 U CN201945729 U CN 201945729U
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- heliostat
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Abstract
The utility model relates to a stable support device of a heliostat with a spinning-elevation tracking mode, belonging to the technical field of solar energy application. The stable support device is mainly used for providing a firm, stable and convenient-to-install support for the heliostat with the tracking mode and laying a reliable foundation for establishment of a larger heliostat. The stable support device is characterized in that rotation of a spinning shaft of the traditional heliostat with the spinning-elevation tracking mode is converted into rotation of a circular framework, a plurality of support rods are arranged for multi-point support of the heliostat, and the weight of the heliostat is concentrated on the support rods with shorter bottoms. By adopting the device, the problem of the traditional spinning-elevation tracking heliostat that the centers of gravity of reflecting mirrors are not arranged on the support rods is solved. The heliostat with the support base has high stability, high interference resistance and a simple manufacturing process, is easy to install, is convenient to assembly, and can be used in large-scale industrial applications.
Description
Technical field
The utility model belongs to application of solar, relates in particular to a kind of bracing or strutting arrangement of heliostat.
Background technology
Heliostat is that the sun is followed the tracks of, and light is reflexed to the device of fixed target.In general, the size of heliostat is big more, and collector area is big more, and the energy of collecting is also many more.In addition, (this scope is relevant with latitude) within the specific limits, heat collector is high more, and then the cosine effect of optically focused is just more little, and the sun power of collection is then many more.But install heat collector very high, can bring inconvenience: at first, the inconvenience of installation and maintenance, secondly, eminence is not easy to the collection and the insulation of heat.Therefore, under the too high prerequisite that heat collector can not be installed, the collection area that increases heliostat has just become to collect a more important method of multipotency.
At present, heliostat mainly adopts two kinds of tracing modes: position angle-elevation angle tracing mode and spin-elevation tracking pattern.
Adopt the heliostat of position angle-elevation angle tracing mode, Machine Design is easier to realize, the center of gravity of its mirror surface be positioned at back shaft directly over, one-piece construction is also more stable.But, because the optically focused that this pattern can reach is than not high enough, therefore in order to reach higher temperature, often need many heliostats to point to a target simultaneously, tower heat collector adopts this method exactly, utilize a big heliostat array that the liquid in the tower is heated, sun power is used by thermal transition.
The heliostat that adopts the spin-elevation tracking pattern is a progress in recent years, is at first proposed in the article Non-imaging of calendar year 2001 focusing heliostat (Solar energy magazine, 155 pages of 71 phases of calendar year 2001) by people such as professors Chen Yingtian.This tracing mode is owing to adopt asymmetrical reflecting surface, and the same terms can reach the optically focused ratio higher than position angle-elevation angle heliostat down, therefore can use single heliostat to realize high power concentrator, has application prospect widely.
But traditional spin-elevation tracking pattern heliostat (Fig. 3, Fig. 4), catoptron is fixed on an end of spin axis, by the fixing whole minute surface of a point.In addition, spin axis tilts and to be fixed on the support bar, the deviation of gravity center of mirror surface support bar.
When mirror size became big, support bar need uprise, so that mirror surface is not in contact with the ground, the weight that the while support bar is born becomes very big.Therefore, support bar will be born bigger weight when uprising, and is the weight of centre-of gravity shift, and this has proposed very high requirement to support bar.The heliostat of the single support bar of tradition, rely on the point in mirror surface center fully, support by spin axis, when wind, rocking of minute surface is more serious, cause the optically focused deviation easily, especially, run into sleet, natural weathers such as storm wind, can cause the serious offset supports bar of center of gravity, thereby seriously influence the stability of heliostat.When the minute surface size became big, situation can be even more serious.Because the restriction of above-mentioned support bar, the heliostat of existing spin-elevation tracking pattern wants to reach very big size, and very big difficulty is arranged.
Summary of the invention
The utility model fundamental purpose is, a kind of new heliostat supporting construction is provided, thereby can make the heliostat that adopts the spin-elevation tracking pattern, reaches bigger size, and good stability and wind loading rating are arranged simultaneously, and simple installation.
The principle of the utility model design is according to being: heliostat is by following the tracks of and reflected sunlight, make light converge to intended target, thus the device that solar energy source is used.This bracing or strutting arrangement is applicable to the heliostat that adopts the spin-elevation tracking pattern.As shown in Figure 1, the key of this tracing mode is spin axis definite object heat collector, realizes two dimensional tracking light focusing by the rotation around spin axis and elevation axis both direction.Because spin axis definite object heat collector, elevation axis is all the time perpendicular to spin axis, therefore, around the rotation of spin axis, can so that elevation axis perpendicular to plane by the sun, 3 places of target heat collector and mirror surface center.Further, the rotation around elevation axis can (be the light that the sun penetrates, after the reflection of minute surface center, just shine the target heat collector so that the incident angle of the sun of mirror surface center equals emergence angle.) the utility model is the stable bracing or strutting arrangement that utilizes the following principle design of spin-elevation tracking pattern heliostat.
Realize that support device structure of the present utility model is as follows: at least 3 height different fixing support bar is on the ground arranged; Supporting guide is fixed on the top of support bar; The circular frame of heliostat is placed on the supporting guide, and can rotate on guide rail; Elevation axis is by the center of the circular frame of heliostat, and the two ends of elevation axis are connected with circular frame, and can be around the axial rotation of himself; Catoptron is fixed on the elevation axis, and can rotate together thereupon, and the circular frame of heliostat and the rotation of elevation axis are controlled respectively by two tracking motors, and heat collector is collected the sunshine after mirror reflects.
The utility model is compared with traditional supporting way, and useful effect is:
One, solved the problem of deviation of gravity center support bar.The design of the single support bar of tradition can cause the problem of mirror surface/mirror array deviation of gravity center support bar.Mirror surface/mirror array center of gravity A (Fig. 4) apart from the support bar off-centring length BC.The axial rotation of will spinning originally of novel bracing or strutting arrangement is transformed into the rotation of the circular frame of heliostat.Do not had the restriction of spin axis, just solved the problem of traditional spin-elevation angle pattern heliostat deviation of gravity center support bar.
Two, shortened the length of load-bearing support bar.The tradition bracing or strutting arrangement utilizes a support bar load-bearing, and this they sup-port the center at whole heliostat, when the radius of heliostat is very big, requires the length of support bar also very long, is not easy to realize stable support.Therefore adopt the heliostat of traditional bracing or strutting arrangement to be not easy to improve the radius of heliostat, and then increase collection area.This novel bracing or strutting arrangement since whole weight almost be pressed on the support bar that is positioned at the bottom, no matter and the radius of heliostat much, the support bar of bottom is all very short very thick, therefore can be easy to realize low cost, firm support.
Three, has better stability.Novel bracing or strutting arrangement by original only relying on a bit, becomes the whole circular frame of the dependence support of multiple spot on every side (mainly being the support of bottom) to the support of whole minute surface framework, makes that this structure is more stable.In addition, mirror surface is fixed on the elevation axis, and the two ends of elevation axis are connected on the circular frame, heliostat than traditional supporting way, rely on any the support of elevation axis center, have better wind loading rating, thereby make whole heliostat under exceedingly odious weather condition, have better optically focused precision.It is very big that good stable makes that the size of mirror surface can be done, thereby obtain bigger collection area, collects more sun power.
Vital role of the present utility model is exactly when enlarging the heliostat size, and what can guarantee heliostat obtains firm support and advantages of higher stability.
Description of drawings
Figure 1A is the heliostat stereographic map of the utility model bracing or strutting arrangement
Figure 1B is the supporting guide partial enlarged drawing of Figure 1A
Fig. 2 A is supporting guide bearing arrangement assembly figure of the present utility model ()
Fig. 2 B is supporting guide bearing arrangement assembly figure of the present utility model (two)
Fig. 2 C is supporting guide bearing arrangement assembly figure of the present utility model (three)
Fig. 3 is for adopting the heliostat stereographic map of traditional supporting way
Fig. 4 is a heliostat side view shown in the figure three
Fig. 5 is the heliostat side view (tilting) of the utility model bracing or strutting arrangement
Fig. 6 is the heliostat side view (center) of the utility model bracing or strutting arrangement
Fig. 7 is the heliostat side view (having a down dip) of the utility model bracing or strutting arrangement
Specific embodiments
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail:
The structure of novel bracing or strutting arrangement (as shown in Figure 1) mainly comprises: have 3 height different fixing support bar 1 on the ground at least, supporting guide 2 is fixed on the top of support bar 1; The circular frame 3 of heliostat is placed on the supporting guide 2, makes the normal direction (being spin axis 4 directions) of circular frame 3 circle centre positions point to heat collector 8, and the circular frame 3 of heliostat can rotate on supporting guide 2.In addition, each sub-mirror is installed to its framework behind after, form mirror surface/mirror array 6, mirror surface/mirror array 6 is fixed to rotation together thereupon on the elevation axis 5; Elevation axis 5 is by the center of the circular frame 3 of heliostat, and the two ends of elevation axis 5 are connected with circular frame 3, and can be around the axial rotation of himself, and the definite object heat collector is constant all the time for the direction of spin axis 4 under this rotates.Use the rotation of tracking motor by control circular frame 3 and elevation axis 5 to realize two-dimensional tracking to the sun; Heat collector 8 is collected the sunshine after 6 reflections of mirror surface/mirror array, thereby is used.
Circular frame can be a circumference integral body; Can be made up of at least two partial arcs, the part of its connection does not influence its rotation on guide rail in the inboard of framework yet.
Its cross section of supporting guide is the draw-in groove that is the U type, and shown in Fig. 2 A, circular frame can slide in smooth U type draw-in groove; Or adopt its bottom to stud with the plurality of load bearing bearing, support the rotation of circular frame, shown in Fig. 2 B; Or adopt in its bottom and side and stud with the plurality of load bearing bearing, play load-bearing and support rotation, shown in Fig. 2 C; Or described load-bearing bearing become rolling bearing.
The circular frame of heliostat is rotated on guide rail by motor-driven, this rotation can utilize the indenture that caves on pin tooth motor and the circular frame outer ring to realize, as shown in Figure 1, also can adopt other rotating manners, for example change the position of indenture on the circular frame of heliostat and shape etc., reach identical rotate effect.
Mirror surface can be a specular surface body, and its minute surface can be level crossing, spherical mirror or parabolic lens; Also can form by a plurality of sub-mirrors, each sub-mirror is installed to its framework behind after, form the mirror surface array, wherein each sub-mirror can be level crossing, spherical mirror or parabolic lens.
When mirror array was made up of a plurality of sub-mirrors, wherein each sub-mirror can maintain static, and also can have sub-following function, changed it by motor-driven and pointed to, and reached the purpose of optically focused.
Install and implement
During installation, at first according to geographic position (as dimension, height above sea level etc.), sunshine factor such as duration, thermal-arrest purposes select suitable heliostat mount scheme, determine the size of heliostat, after the factors such as the height of heat collector, the normal direction of the circular frame circle centre position of heliostat (being the spin axis direction) can adopt different angles definite object heat collector.The utility model is particularly useful near the targeted heliostat design of vertical direction.As Fig. 1, shown in Figure 5, corresponding to the be inclined upwardly situation of 30 degree definite object heat collectors of heliostat, the aspect ratio of target heat collector is higher, cosine effect minimum.The situation that Fig. 6 vertically places corresponding to heliostat, this moment, the weight of heliostat dropped on the support bar of bottom fully, did not almost have lateral stress, and target heat collector and heliostat center are contour.Fig. 7 is the downward-sloping 30 degree definite object heat collectors of heliostat, and this moment, the target heat collector was placed on lower, be convenient to the collection and the storage of energy, but the cosine effect was bigger.For different schemes, the length that only needs to change each support bar gets final product.
No matter which kind of scheme, no matter the size of heliostat how, because the support bar of being responsible for load-bearing is all the time in the bottom, length is shorter, and therefore bracing or strutting arrangement of the present utility model can easily be realized firm, stable support.In addition, for the heliostat of different schemes, the length and the inclination angle that only need to adjust several support bars get final product, and manufacturing process is simple, is convenient to assembling, but heavy industrialization is used.
Claims (8)
1. the stable support device of a spin-elevation tracking pattern heliostat is characterized in that: have 3 height different fixing support bar on the ground at least; Supporting guide is fixed on the top of support bar; The circular frame of heliostat is placed on the supporting guide, and can rotate on guide rail; Elevation axis is by the center of the circular frame of heliostat, and the two ends of elevation axis are connected with circular frame, and can be around the axial rotation of himself; Catoptron is fixed on the elevation axis, and can rotate together thereupon, and the circular frame of heliostat and the rotation of elevation axis are controlled respectively by two tracking motors.
2. bracing or strutting arrangement according to claim 1 is characterized in that: described circular frame can be a circumference integral body; Perhaps be made up of at least two partial arcs, the part of its connection is in the inboard of framework.
3. bracing or strutting arrangement according to claim 1 is characterized in that: its cross section of described supporting guide is the draw-in groove that is the U type, and circular frame can slide in smooth U type draw-in groove; Or adopt its bottom to stud with the load-bearing bearing, support the rotation of circular frame; Or adopt in its bottom and side and stud with the load-bearing bearing, play load-bearing and support rotation; Or described load-bearing bearing become rolling bearing.
4. bracing or strutting arrangement according to claim 1 is characterized in that: the circular frame of heliostat is rotated on guide rail by motor-driven, and this rotation utilizes the indenture that caves on pin tooth motor and the circular frame outer ring to realize.
5. bracing or strutting arrangement according to claim 1 is characterized in that: described mirror surface is a specular surface body, and its minute surface is level crossing or spherical mirror or parabolic lens.
6. bracing or strutting arrangement according to claim 1 is characterized in that: described mirror surface is made up of a plurality of sub-mirrors, each sub-mirror is installed to its framework behind after, form the mirror surface array, wherein each sub-mirror is level crossing or spherical mirror or parabolic lens.
7. according to claim 1 or 6 described bracing or strutting arrangements, it is characterized in that: described mirror surface is formed mirror array by a plurality of sub-mirrors, and wherein each sub-mirror has sub-following function, changes its sensing by motor-driven.
8. bracing or strutting arrangement according to claim 1 is characterized in that: the length of support bar and inclination angle can be regulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205850211U CN201945729U (en) | 2010-11-01 | 2010-11-01 | Stable support device of heliostat with spinning-elevation tracking mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205850211U CN201945729U (en) | 2010-11-01 | 2010-11-01 | Stable support device of heliostat with spinning-elevation tracking mode |
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| Publication Number | Publication Date |
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| CN201945729U true CN201945729U (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205850211U Expired - Lifetime CN201945729U (en) | 2010-11-01 | 2010-11-01 | Stable support device of heliostat with spinning-elevation tracking mode |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043228A (en) * | 2010-11-01 | 2011-05-04 | 哈尔滨工业大学 | Stable support device for autorotation-elevation angle tracking mode heliostat |
| CN102789046A (en) * | 2012-07-30 | 2012-11-21 | 中国科学技术大学 | Multi-plane reflecting mirror solar energy condensation device |
| CN104166218A (en) * | 2014-08-31 | 2014-11-26 | 吴国栋 | Reflector mechanism of solar condensation device |
| CN105324935A (en) * | 2013-04-22 | 2016-02-10 | 益科博能源科技有限公司 | Apparatus and method for high efficiency fixed target solar thermal concentrator power plants |
| CN107357023A (en) * | 2017-09-04 | 2017-11-17 | 倪佳辉 | A kind of town road traffic bend turning blind area reflector apparatus |
| CN107702353A (en) * | 2017-09-28 | 2018-02-16 | 佛山圣哥拉太阳能科技有限公司 | A kind of off-axis formula Photospot solar system and its application method |
| CN114383329A (en) * | 2022-01-11 | 2022-04-22 | 上海晶电新能源有限公司 | Parallel heliostat system and method based on oblique axis correction |
-
2010
- 2010-11-01 CN CN2010205850211U patent/CN201945729U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043228A (en) * | 2010-11-01 | 2011-05-04 | 哈尔滨工业大学 | Stable support device for autorotation-elevation angle tracking mode heliostat |
| CN102789046A (en) * | 2012-07-30 | 2012-11-21 | 中国科学技术大学 | Multi-plane reflecting mirror solar energy condensation device |
| CN102789046B (en) * | 2012-07-30 | 2014-08-13 | 中国科学技术大学 | Multi-plane reflecting mirror solar energy condensation device |
| CN105324935A (en) * | 2013-04-22 | 2016-02-10 | 益科博能源科技有限公司 | Apparatus and method for high efficiency fixed target solar thermal concentrator power plants |
| CN105324935B (en) * | 2013-04-22 | 2019-06-11 | 益科博能源科技有限公司 | Device and method for high efficiency fixed-focus concentration type solar power plant |
| CN104166218A (en) * | 2014-08-31 | 2014-11-26 | 吴国栋 | Reflector mechanism of solar condensation device |
| CN107357023A (en) * | 2017-09-04 | 2017-11-17 | 倪佳辉 | A kind of town road traffic bend turning blind area reflector apparatus |
| CN107357023B (en) * | 2017-09-04 | 2020-04-21 | 长安大学 | Dead zone speculum device that turns of town road traffic bend |
| CN107702353A (en) * | 2017-09-28 | 2018-02-16 | 佛山圣哥拉太阳能科技有限公司 | A kind of off-axis formula Photospot solar system and its application method |
| CN114383329A (en) * | 2022-01-11 | 2022-04-22 | 上海晶电新能源有限公司 | Parallel heliostat system and method based on oblique axis correction |
| CN114383329B (en) * | 2022-01-11 | 2023-11-28 | 上海晶电新能源有限公司 | Parallel heliostat system and method based on oblique axis correction |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20110824 Effective date of abandoning: 20130227 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20110824 Effective date of abandoning: 20130227 |
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| RGAV | Abandon patent right to avoid regrant |