CN103092216A - Radial angle conversion control device of tower type solar heliostat cylindrical gear - Google Patents
Radial angle conversion control device of tower type solar heliostat cylindrical gear Download PDFInfo
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- CN103092216A CN103092216A CN2013100581791A CN201310058179A CN103092216A CN 103092216 A CN103092216 A CN 103092216A CN 2013100581791 A CN2013100581791 A CN 2013100581791A CN 201310058179 A CN201310058179 A CN 201310058179A CN 103092216 A CN103092216 A CN 103092216A
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Abstract
The invention relates to the technical field of tower type concentrated solar heat collection, concentrated solar thermal power generation, and concentrating photovoltaic, in particular to a radial angle conversion control device of a tower type solar heliostat cylindrical gear. A reflecting gear, a reflecting transition gear, an incident transition gear, and an incident gear are arranged on the radial angle conversion control device of the tower type solar heliostat cylindrical gear. The reflecting gear and the reflecting transition gear mesh, the reflecting gear and the incident transition gear mesh, and the incident transition gear and the incident gear mesh. The axes of the reflecting gear and the incident gear are same. All the gears are arranged on a gear seat. The reflecting gear and a reflecting axle are relatively fixed. The incident gear and an incident axle are relatively fixed. A photoelectric probe is installed on the incident axle. The gear seat is installed on the heliostat. The incident axle is connected with a connecting rod and only can make rotation movement. The connecting rod is fixed on the ground. Therefore, angle conversion of the heliostat is convenient and fast to complete, conversion accuracy is high, cost is low, and use effect is good.
Description
Technical field
The present invention relates to tower light-concentrating solar heat-collection, Photospot solar photo-thermal power generation and condensation photovoltaic technical field, especially a kind of tower type solar heliostat cylindrical gear light angle conversion control device.
Background technology
Along with the development of heliotechnics, tower light-concentrating solar heat-collection, solar light-heat power-generation and concentration photovoltaic system become the technology of comparative maturity gradually, but the operation of the follower of its heliostat and installation regulation and control more complicated and loaded down with trivial details.At present, there are the problems such as construction cost is higher, maintenance management more complicated in tower light-concentrating solar heat-collection, photo-thermal and photovoltaic generating system, and wherein key is the construction of heliostat field.
At first, each heliostat is according to the geographic latitude of installing, and with respect to position and the sun altitude of every day and the position angle of thermal-arrest tower, its motion control program is all independently specific; And according to the deviation of annual running track from sun, need to revise accordingly the operation control program.This just makes, and the integral body of heliostat field is controlled more complicated, the debugging maintenance is also very inconvenient.
Secondly, due to the driving follower of heliostat now be according to track of sun by a large amount of accurate calculating, utilize stepper motor to realize, be an open cycle system, so require quite high for the mechanical precision of motion parts.
Summary of the invention
In order to overcome the defective that exists in existing background technology, the invention provides a kind of tower type solar heliostat cylindrical gear light angle conversion control device.
the technical solution adopted for the present invention to solve the technical problems is: a kind of tower type solar heliostat cylindrical gear light angle conversion control device, comprise the reflection gear, the reflection transition gear, incident transition gear and incident gear, reflection gear and the engagement of reflection transition gear, incident gear and the engagement of incident transition gear, described reflection gear, the reflection transition gear, incident transition gear and incident gear are arranged on pinion stand, reflection gear and incident gear concentric, described reflection transition gear and the engagement of incident transition gear, the reflection gear is relative with axis of reflection fixing, the incident gear is relative with the incident axle fixing, and photoelectric probe is arranged on the incident axle, and pinion stand is arranged on heliostat, and axis of reflection is connected with connecting link and rotates only, and it is fixing irremovable that connecting link is installed.
According to another embodiment of the invention, further comprise, described reflection gear, reflection transition gear, incident transition gear and incident gear, can be both that straight spur gear can be also helical gears, and the reflection transition gear can not have any type of engagement to contact with the incident gear, and the incident transition gear can not have any type of engagement to contact with the reflection gear.
According to another embodiment of the invention, further comprise, the type of described reflection gear and incident gear is identical, modulus is identical, the number of teeth is identical, the type of reflection transition gear and incident transition gear is identical, modulus is identical, the number of teeth is identical, and reflection gear and incident gear and reflection transition gear and incident transition gear need use with the modulus gear, and the number of teeth of the number of teeth of reflection gear and incident gear and reflection transition gear and incident transition gear is identical or different.
According to another embodiment of the invention, further comprise, described reflection gear and incident gear need concentric, and spaced radial keeps the thickness greater than single reflection gear or incident gear, the thickness of described reflection transition gear and incident transition gear needs greater than reflection gear or incident gear thickness, and less than reflection gear or incident gear thickness and radial spacing sums both.
According to another embodiment of the invention, further comprise, a reflection transition gear and an incident transition gear on device are one group of transition gear groups, can have one group of transition gear group on this device at least, and the installation site of reflection transition gear and incident transition gear can exchange.
According to another embodiment of the invention, further comprise, described reflection gear, reflection transition gear, incident transition gear and incident gear are complete gear wheel or local gear.
The invention has the beneficial effects as follows, this tower type solar heliostat cylindrical gear light angle conversion control device needs pinion stand is arranged on heliostat, and guarantee reflection gear and the axle center of incident gear and the joint A of axis of reflection axis of rotation, coincide with the joint of two dimensional scaffold pitching turning axles and orientation rotation axle.After this device axis of reflection is aimed at tower type solar heat collector center, then axis of reflection axle and connecting link are connected, and guarantee that axis of reflection rotates vertically only, at last connecting link is fixed in ground or is connected also fixation with ground by other parts.By the photosignal that the photoelectric probe that is arranged on the incident axle detects, control rotation and the luffing of two dimensional scaffolds, adjust the position of incident axle under Union Movement both, make photoelectric probe point to all the time the sun.In the situation that the axis of reflection axial restraint is motionless, thereby driven the relative incident axle of pinion stand and axis of reflection makes equal angles but reverse direction rotatablely moves, and driven axis of reflection and rotate vertically.So just guarantee sunlight along incident axle directive heliostat and make reflected light along the axial ejaculation of axis of reflection, because described in axis of reflection embodiment in front be: rotate only vertically, this axially-extending line is aimed at tower type solar heat collector center, so reflection ray will point to tower type solar heat collector center all the time.
For realizing above-mentioned target, the Two Dimensional Rotating axle of existing heliostat two dimensional scaffolds of General Requirements will have joint, and with the A point of this heliostat light angle automatic conversion control device therewith joint overlap, no matter be existing two dimensional surface support tracker or two-dimentional push rod connecting rod rack tracker, as long as satisfy above-mentioned requirements, this heliostat light angle automatic conversion control device can be installed all.These device installation and operation regulation and control are very simple, improved the precision of heliostat to solar tracking, heliostat control program and method have been simplified, existing heliostat control program will comprise according to the concrete installation site of heliostat longitude and latitude, decide with the locus of collector and orientation, season, time, and fibrous root is according to the annual do correction of astronomical information adjustment, if this device has been installed has been need not to consider above-mentioned factor.Also the type of drive of existing heliostat two dimensional scaffolds is simplified simultaneously, and the requirement on machining accuracy of this part mechanical part is greatly reduced; The driving tracker of former heliostat two dimension support is not to be exactly to use servomotor with stepper motor, some also needs with accurate positioning elements such as code-discs, no matter these motors and accurate positioning element are motor itself or the neither phenanthrene of the price of controller, the accuracy requirement of adding mechanical transmission component is also very high, so price proportion in the price of whole heliostat system of existing heliostat two dimension carriage drive tracker part is generally higher, installs this expense and will greatly reduce if load onto this.Because this heliostat light angle automatic conversion control device is semi-closed loop system, as long as the mechanical precision of this device itself is guaranteed by designing requirement, by above-mentioned description to content of the present invention, just can guarantee that sunlight is radiated on the tower type solar heat collector all the time by the reflection of heliostat.And the present invention's drive motor used only needs general brush direct current motor to get final product, if certainly with dc brushless motor with some luxury, but serviceable life of system and maintenance cycle are lengthened, and even to use cheap toy direct current generator be also feasible in the present invention.Because be semi-closed loop system, so this device has also reduced much the accuracy requirement of mechanical transmission component.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the meshing relation schematic diagram between each gear of invention;
Fig. 3 is the relative motion relation schematic diagram between each gear of the present invention;
Fig. 4 and Fig. 5 are the structural representations after the present invention and plane two dimensional scaffolds are installed;
Fig. 6 is that the present invention is arranged on the structural representation on link type two dimensional scaffolds;
In figure 1, the reflection gear, 2, the reflection transition gear, 3, the incident transition gear, 4, the incident gear, 5, pinion stand, 6, axis of reflection, 7, the incident axle, 8, photoelectric probe, 9, heliostat, 10, connecting link, 11, silicon wafer or concentrating solar battery plate.
D1: be reflection gear 1 reference diameter;
D1 ': be incident gear 4 reference diameters;
D2: be reflection transition gear 2 reference diameters;
D2 ': be incident transition gear 3 reference diameters;
A: be the centre distance of reflection gear 1 with reflection transition gear 2;
A ': be the centre distance of incident gear 4 with incident transition gear 3;
L: be the centre distance of reflection transition gear 2 with incident transition gear 3;
A: the axle center that reflection gear 1 and incident gear 4 are common and the joint of axis of reflection 6 axis of rotation;
B: the center of circle of reflection transition gear 2, refer in particular to reflection transition gear 2 turning axles with by A point and the intersection point that reflects gear 1 and incident gear 4 common axis of rotation vertical cross-sections;
C: the center of circle of incident transition gear 3, refer in particular to incident transition gear 3 turning axles with by A point and the intersection point that reflects gear 1 and incident gear 4 common axis of rotation vertical cross-sections;
D: be the intersection point of A point and B point line and reference circle;
E: be the intersection point of A point and C point line and reference circle;
F: the intersection point of point and C point line and reference circle;
β: be the anglec of rotation of reflection gear 1;
β ': be the anglec of rotation of incident gear 4;
θ: the rotation angle of reflection transition gear 2;
θ ': be the rotation angle of incident transition gear 3.
Embodiment
structural representation of the present invention as Fig. 1, a kind of tower type solar heliostat cylindrical gear light angle conversion control device, comprise reflection gear 1, reflection transition gear 2, incident transition gear 3 and incident gear 4, reflection gear 1 and 2 engagements of reflection transition gear, incident gear 4 and 3 engagements of incident transition gear, described reflection gear 1, reflection transition gear 2, incident transition gear 3 and incident gear 4 are arranged on pinion stand 5, reflection gear 1 and incident gear 4 concentrics, described reflection transition gear 2 and 3 engagements of incident transition gear, reflection gear 1 is relative with axis of reflection 6 fixing, incident gear 4 is relative with incident axle 7 fixing, and photoelectric probe 8 is arranged on incident axle 7, and pinion stand 5 is arranged on heliostat 9, and axis of reflection 6 is connected and rotates only with connecting link 10, and it is fixing irremovable that connecting link 10 is installed.
This tower type solar heliostat cylindrical gear light angle conversion control device, described reflection gear 1, reflection transition gear 2, incident transition gear 3 and incident gear 4, can be both that straight spur gear can be also helical gears, and reflection transition gear 2 can not have any type of engagement to contact with incident gear 4, and incident transition gear 3 can not have any type of engagement to contact with reflection gear 1.
this tower type solar heliostat cylindrical gear light angle conversion control device, described reflection gear 1 is identical with the type of incident gear 4, modulus is identical, the number of teeth is identical, reflection transition gear 2 is identical with the type of incident transition gear 3, modulus is identical, the number of teeth is identical, and reflection gear 1 and incident gear 4 need to use with the modulus gear with reflection transition gear 2 and incident transition gear 3, and the number of teeth of reflection gear 1 and incident gear 4 and the number of teeth of reflection transition gear 2 and incident transition gear 3 are identical or different, in actual production process, the number of teeth of general reflection gear 1 and incident gear 4 is greater than reflection transition gear 2 and incident transition gear 3, the rotation heliostat angle that can be more prone to like this.
This tower type solar heliostat cylindrical gear light angle conversion control device, described reflection gear 1 and incident gear 4 need concentric, and spaced radial keeps the thickness greater than single reflection gear 1 or incident gear 4, the thickness of described reflection transition gear 2 and incident transition gear 3 needs greater than reflection gear 1 or incident gear 4 thickness, and less than reflection gear 1 or incident gear 4 thickness and radial spacing sums both.
This tower type solar heliostat cylindrical gear light angle conversion control device, a reflection transition gear 2 and an incident transition gear 3 on device are one group of transition gear groups, can have one group of transition gear group on this device at least, and the installation site of reflection transition gear 2 and incident transition gear 3 can exchange.
This tower type solar heliostat cylindrical gear light angle conversion control device, described reflection gear 1, reflection transition gear 2, incident transition gear 3 and incident gear 4 are complete gear wheel or local gear.
Because this device reflection gear 1, reflection transition gear 2, incident transition gear 3 and incident gear 4 in the process of operation only have its a part of gear engagement all the time, so just can adopt local gear with tooth, so also for reduction the difficulty of processing of gear, reduced production cost.
Shown in Figure 1 is structural representation of the present invention, and its device is provided with, reflection gear 1, reflection transition gear 2, incident transition gear 3, incident gear 4.Reflection gear 1 and 2 engagements of reflection transition gear, reflection transition gear 2 and 3 engagements of incident transition gear, incident gear 4 and 3 engagements of incident transition gear, but reflection transition gear 2 can not have any type of engagement to contact with incident gear 4, and incident transition gear 3 can not have any type of engagement to contact with reflection gear 1.Reflection gear 1 and incident gear 4 concentrics, and both radial spacing need keep thickness greater than a reflection gear 1 or incident gear 4.The thickness of reflection transition gear 2 and incident transition gear 3 needs greater than reflection gear 1 and incident gear 4 thickness, but need less than reflection gear 1 or incident gear 4 thickness and radial spacing sums both, to guarantee that reflection transition gear 2 can not have any type of engagement to contact with incident gear 4, incident transition gear 3 can not have any type of engagement to contact with reflection gear 1.All gears are installed on pinion stand 5, because of reflection gear 1 and incident gear 4 concentrics, and reflection transition gear 2 and 3 engagements of incident transition gear, so on the situation lower tooth wheel seat 5 of one group of transition gear commonly used, three gear shafts should be arranged, A, B, C point should be passed through respectively in three axle center.Reflection gear 1 is relative with axis of reflection 6 fixing, incident gear 4 is relative with incident axle 7 fixing, initial engagement position between its combiner both and corresponding transition gear, should depending on the concrete structure of this device and with two dimensional scaffold relative installation, its principle is: only otherwise the normal operation that affects two dimensional scaffolds gets final product.Photoelectric probe 8 is arranged on incident axle 7.Pinion stand 5 is arranged on two dimensional scaffold heliostats 9, no matter the A point of this heliostat light angle automatic conversion control device, be existing two dimensional surface support tracker or two-dimentional push rod connecting rod rack tracker if being overlapped with the Two Dimensional Rotating axle joint of heliostat two dimensional scaffolds.Axis of reflection 6 is connected and axially rotates along axis of reflection only with connecting link 10, and connecting link 10 is connected and fixation with ground with ground or by other parts.
Be the meshing relation schematic diagram between each gear of the present invention as shown in Figure 2, the position of engagement in figure between each gear is closed and is:
a=(d1+d2)/2； a'=(d1’+d2’)/2； L=(d2+d2’)/2；
And follow principle according to the previous embodiment defined, have:
d1=d1’； d2=d2’； a= a'； L=d2=d2’。
Be the relative motion relation schematic diagram between each gear of the present invention as shown in Figure 3, rotate if press the gear sense of rotation shown in figure, the relative rotation angle relation between each gear is as follows:
If establish: anti-(entering) penetrates the gear number of teeth and is: Z1; Instead (entering) to penetrate the transition gear number of teeth is: Z2; Total number of teeth in engagement between each gear is: Z.
: the π of β=(Z1/Z); The π of θ=(Z2/Z); θ=θ '; The π of β '=(Z1/Z).So: β=β '.
Hence one can see that:
1: when reflection gear 1 rotated with 2 engagements of reflection transition gear, total number of teeth in engagement was identical but sense of rotation is opposite;
2: when reflection transition gear 2 rotated with 3 engagements of incident transition gear, total number of teeth in engagement was identical but sense of rotation is opposite;
3: when incident gear 4 rotated with 3 engagements of incident transition gear, total number of teeth in engagement was identical but sense of rotation is opposite;
4: by shown in Figure 3, finally no matter by after one or more groups transition gear engaged transmission, the anglec of rotation of reflection gear 1 and incident gear 4 relative A F lines is identical but sense of rotation is opposite, therefore can so describe: regardless of reflecting gear 1 initial position relative to incident gear 4, between reflection gear 1 and incident gear 4 and pinion stand 5, kinematic relation is, no matter whichever is fixed in the three, when separately both free to rotate, reflection gear 1 and incident gear 4 direction of rotation, the rotational angle of pinion stand 5 is identical relatively.
That the present invention is arranged on front (towards the face of the sunlight) structural representation on plane two dimensional scaffolds as shown in Figure 4;
That the present invention is arranged on the back side (back to the face of the sunlight) structural representation on plane two dimensional scaffolds as shown in Figure 5;
That the present invention is arranged on the structural representation on link type two dimensional scaffolds as shown in Figure 6;
The principle of work of this tower type solar heliostat cylindrical gear light angle conversion control device is to utilize: reflection gear 1 described above and the engagement transition of incident gear 4 by one or more groups transition, relative identical but opposite directions of pinion stand 5 anglecs of rotation both, this has just well satisfied the corresponding relation between incident ray and reflection ray and catoptron normal.If at first the axially-extending line of axis of reflection 6 is aimed at the tower-type heat collector center, and be fixed firmly and it can only be done around axial-rotation and move.Again pinion stand 5 is connected by following method with two dimensional scaffold heliostats, the method is that the A point with this device overlaps with the Two Dimensional Rotating axle joint of heliostat two dimensional scaffolds, no matter be existing two dimensional surface support or two-dimentional push rod connecting rod rack, and make no matter two dimensional scaffolds are rotation or pitching operation also fixation relatively freely, the relative position of each gear relative position and pinion stand 5 and two dimensional scaffolds in this device, depending on the structure of concrete two dimensional scaffolds, its principle is that two dimensional scaffolds can not be hindered in the operation in any case of tracking sunlight.If make the photoelectric probe 8 on incident axle 7 aim at the direct sunlight direction in rotation and the luffing by two dimensional scaffolds under this situation, thereby pinion stand 5 and heliostat 9 motions have been driven, according to the front about reflection gear 1 and incident gear 4 and pinion stand 5 kinematic relations, sunlight just can and make reflected light along the axial ejaculation of axis of reflection 6 along incident axle 7 directive heliostats like this, and directive tower type solar heat collector center, thereby realized the effect of the automatic conversion and control of tower type solar heliostat light angle.
Claims (6)
1. tower type solar heliostat cylindrical gear light angle conversion control device, comprise reflection gear (1), reflection transition gear (2), incident transition gear (3) and incident gear (4), it is characterized in that, reflection gear (1) and reflection transition gear (2) engagement, incident gear (4) and incident transition gear (3) engagement, described reflection gear (1), reflection transition gear (2), incident transition gear (3) and incident gear (4) are arranged on pinion stand (5), reflection gear (1) and incident gear (4) concentric, described reflection transition gear (2) and incident transition gear (3) engagement, reflection gear (1) is relative fixing with axis of reflection (6), incident gear (4) is relative fixing with incident axle (7), photoelectric probe (8) is arranged on incident axle (7), pinion stand (5) is arranged on heliostat (9), and axis of reflection (6) is connected and rotates only with connecting link (10), and it is fixing irremovable that connecting link (10) is installed.
2. tower type solar heliostat cylindrical gear light angle conversion control device according to claim 1, it is characterized in that, described reflection gear (1), reflection transition gear (2), incident transition gear (3) and incident gear (4), can be both that straight spur gear can be also helical gears, and reflection transition gear (2) can not have any type of engagement to contact with incident gear (4), and incident transition gear (3) can not have any type of engagement to contact with reflection gear (1).
3. tower type solar heliostat cylindrical gear light angle conversion control device according to claim 1, it is characterized in that, described reflection gear (1) is identical with the type of incident gear (4), modulus is identical, the number of teeth is identical, reflection transition gear (2) is identical with the type of incident transition gear (3), modulus is identical, the number of teeth is identical, and reflection gear (1) and incident gear (4) need to use with the modulus gear with reflection transition gear (2) and incident transition gear (3), and the number of teeth of reflection gear (1) and incident gear (4) and the number of teeth of reflection transition gear (2) and incident transition gear (3) are identical or different.
4. tower type solar heliostat cylindrical gear light angle conversion control device according to claim 1, it is characterized in that, described reflection gear (1) and incident gear (4) need concentric, and spaced radial keeps the thickness greater than single reflection gear (1) or incident gear (4), the thickness of described reflection transition gear (2) and incident transition gear (3) needs greater than reflection gear (1) or incident gear (4) thickness, and less than reflection gear (1) or incident gear (4) thickness and radial spacing sums both.
5. tower type solar heliostat cylindrical gear light angle conversion control device according to claim 1, it is characterized in that, a reflection transition gear (2) on device and an incident transition gear (3) are one group of transition gear groups, can have one group of transition gear group on this device at least, and the installation site of reflection transition gear (2) and incident transition gear (3) can exchange.
6. tower type solar heliostat cylindrical gear light angle conversion control device according to claim 1, it is characterized in that, described reflection gear (1), reflection transition gear (2), incident transition gear (3) and incident gear (4) are complete gear wheel or local gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310058179.1A CN103092216B (en) | 2013-02-25 | 2013-02-25 | Radial angle conversion control device of tower type solar heliostat cylindrical gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310058179.1A CN103092216B (en) | 2013-02-25 | 2013-02-25 | Radial angle conversion control device of tower type solar heliostat cylindrical gear |
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| Publication Number | Publication Date |
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| CN103092216A true CN103092216A (en) | 2013-05-08 |
| CN103092216B CN103092216B (en) | 2014-12-17 |
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| CN101820236A (en) * | 2010-03-19 | 2010-09-01 | 益科博能源科技（上海）有限公司 | Solar tracking device for solar collector |
| US20110000515A1 (en) * | 2009-07-01 | 2011-01-06 | Ravindra Patwardhan | Solar central receiver system employing common positioning mechanism for heliostats |
| CN202172075U (en) * | 2011-12-09 | 2012-03-21 | 卢序 | Mechanical type double-shaft solar tracker mounting |
| CN203084558U (en) * | 2013-02-25 | 2013-07-24 | 常州市亚美电气制造有限公司 | Tower solar heliostat cylindrical gear light angle conversion control device |
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2013
- 2013-02-25 CN CN201310058179.1A patent/CN103092216B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4574659A (en) * | 1981-08-10 | 1986-03-11 | Zahnraderfabrik Renk, A.G. | Precision drive for positioning solar energy apparatus |
| US20110000515A1 (en) * | 2009-07-01 | 2011-01-06 | Ravindra Patwardhan | Solar central receiver system employing common positioning mechanism for heliostats |
| CN101667038A (en) * | 2009-09-11 | 2010-03-10 | 东华大学 | Bipolar solar energy spotlight tracker adjusting-driving mechanism |
| CN101820236A (en) * | 2010-03-19 | 2010-09-01 | 益科博能源科技（上海）有限公司 | Solar tracking device for solar collector |
| CN202172075U (en) * | 2011-12-09 | 2012-03-21 | 卢序 | Mechanical type double-shaft solar tracker mounting |
| CN203084558U (en) * | 2013-02-25 | 2013-07-24 | 常州市亚美电气制造有限公司 | Tower solar heliostat cylindrical gear light angle conversion control device |
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