CN201682439U - Sun tracking apparatus with combined bearing turntable - Google Patents
Sun tracking apparatus with combined bearing turntable Download PDFInfo
- Publication number
- CN201682439U CN201682439U CN2010202930712U CN201020293071U CN201682439U CN 201682439 U CN201682439 U CN 201682439U CN 2010202930712 U CN2010202930712 U CN 2010202930712U CN 201020293071 U CN201020293071 U CN 201020293071U CN 201682439 U CN201682439 U CN 201682439U
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- Prior art keywords
- bearing
- combined bearing
- rotating disk
- rotating shaft
- supporting mechanism
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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
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model discloses a sun tracking apparatus with combined bearing turntable, including a supporting mechanism for mounting photovoltaic modules and an azimuth angle driving device fixed on the supporting mechanism for performing azimuth adjustment to the supporting mechanism, wherein the azimuth angle driving device adopts a turntable structure with a combined bearing. The utility model adopts an azimuth angle driving device with a combined bearing turntable to perform horizontal direction angle modulation control to the photovoltaic module, as a combination bearing is adopted in the turntable to substitute the existing steel ball structure, after mounting it can effectively resolve the problem that is pre-tight is unable to perform by the modulation to the rolling bearing, so as to greatly improve running reliability and smoothness, improve the tracking accuracy and simultaneously to play a centering function to the rotating shaft; the setting of the combined bearing in the turntable can also effectively bear pressure on radial and axial direction. By adopting the utility model, workability is greatly improved and cost is reduced relative to the prior devices.
Description
Technical field
The utility model relates to sun tracker, particularly a kind of sun tracker with the combined bearing rotating disk.
Background technology
Energy and environment are topics that the whole mankind shows great attention to, and what support the huge energy resource consumption of human society at present then mainly is coal, oil, this three big conventional fossil energy of natural gas, yet the use of conventional fossil energy is not only seriously polluted, and resource is quite limited.For these reasons, environmental protection, the solar energy that can infinitely use are used as desirable alternative energy source, and people are also very active to its R and D.
The utilization of solar energy mainly contains photo-thermal and two kinds of forms of photovoltaic, wherein the research of photovoltaic and utilize with fastest developing speed.Wherein, the generating of fixed flat planar photovoltaic module is the principal mode of solar energy power generating, and it is that flat plate photovoltaic component is fixed on the carrier, towards the direction of the sun, receives the sunshine during day rises to sunset, and is converted to electric energy.But adopt this fixed photovoltaic generation mode to have the low defective of light utilization efficiency, because the quantities received of solar energy is directly proportional with effective radiating area, effective radiating area promptly is received the projected area of sunlight on the sunlight vertical plane.And because earth rotation, sun east rose the west and fell every day, the flat plate photovoltaic component that receives sunlight among one day has only very short time over against the sun, when photovoltaic module tiltedly to the solar time, its effective radiating area is proportional to the cosine of angle between photovoltaic module and the sunlight vertical plane, this moment, photovoltaic module did not make full use of sunlight, like this, then wasted a large amount of solar irradiation energy, thereby the light utilization efficiency of fixed flat plate photovoltaic component generating is lower, if and increase the sunlight quantities received by the quantity that increases photovoltaic module, its cost again can be too high.
Problem at above-mentioned existence, occurred at present tracking technique is applied in the dull and stereotyped photovoltaic generation, promptly adopt azimuth drive unit and elevation angle drive unit that photovoltaic module is carried out regulating and controlling, make photovoltaic module at any time over against the sun, allow sunray at any time vertical irradiation on photovoltaic module with a day device, adopt with behind day device, improved the utilance of sunlight greatly.
Yet, existing with the photovoltaic module that uses in day device azimuth drive unit of angular adjustment in the horizontal direction, it mainly uses steel ball as rolling element in structure, a kind of " enveloping worm transmission rotary decelerator " (patent No.: ZL200920040150.X) is disclosed as Chinese utility model patent, as shown in Figure 1, in this patent, the applicant utilizes and drives 17 rotations of worm drive pivoting support, and pivoting support comprises inner ring 18 and outer ring 19, then adopts steel ball or roller 20 between its inner ring 18 and the outer ring 19.
Therefore, existing in use mainly there is following problem in it with the azimuth drive unit that uses in day device: 1, the rolling element that uses in its structure is steel ball, and steel ball can't be scheduled to by structural limitations after installation, thereby the revolving body that causes the azimuth drive unit has slightly and rocks, thereby cause tracking accuracy to reduce, and be easy to generate point corrosion; 2, employed drive mechanism is turbine and worm structure or the structure as being supported by the direct driving rotational of driving worm screw in the above-mentioned patent in the pivoting support, its stressed line that is contacts, when the photovoltaic module area is big, under the influence that wind carries, cause the destruction of gear easily; 3, pivoting support raceway processing request precision is higher, causes cost higher.
The utility model content
Goal of the invention of the present utility model is: at the problem of above-mentioned existence, provides a kind of and can effectively solve the pretension problem, thus the sun tracker of the band combined bearing rotating disk of raising operating reliability and stationarity.
The technical solution of the utility model is achieved in that a kind of sun tracker with the combined bearing rotating disk, comprise that the supporting mechanism in order to photovoltaic module to be installed carries out the azimuth drive unit that the azimuth is adjusted with being fixed on the described supporting mechanism and to this supporting mechanism, it is characterized in that: described azimuth drive unit adopts the turntable structure of band combined bearing.
The sun tracker of band combined bearing rotating disk described in the utility model, the rotating disk of its described band combined bearing comprise housing, be arranged on drive unit on the housing, be connected with described housing and be arranged at the rotating shaft that is driven by drive unit in the housing and be arranged at combined bearing between described rotating shaft and the drive unit.
On the base that the sun tracker of band combined bearing rotating disk described in the utility model, its described drive unit comprise the drive motors that is arranged on the described housing, the driving worm screw that is connected described drive motors clutch end and be fixed on described supporting mechanism and with the driving turbine of described driving worm engaging.
The sun tracker of band combined bearing rotating disk described in the utility model, its described combined bearing comprises the pre-tightening mechanism that countershaft is felt relieved and bears the rolling bearing of axial compressive force, described pre-tightening mechanism is arranged at and drives between turbine endoporus and the rotating shaft, and described rolling bearing is arranged at and drives between turbine upper surface and the rotating shaft.
The sun tracker of band combined bearing rotating disk described in the utility model, its described pre-tightening mechanism comprises tapered roller bearing and is arranged on the governor motion of described tapered roller bearing below, the inner ring and the rotating shaft of described tapered roller bearing closely cooperate, its outer ring and described driving turbine closely cooperate, and described governor motion is resisted against the lower surface of described inner ring.
The sun tracker of band combined bearing rotating disk described in the utility model, its described governor motion is an adjusting nut, described adjusting nut is threaded in the rotating shaft.
The sun tracker of band combined bearing rotating disk described in the utility model, its described rolling bearing is flat thrust ball bearing, and the blowout patche and the rotating shaft of described flat thrust ball bearing closely cooperate, and its foundation ring and described driving turbine upper surface closely cooperate.
The sun tracker of band combined bearing rotating disk described in the utility model, its described housing and drive between the turbine, be provided with Simmer ring between the base of described rotating shaft and supporting mechanism.
The sun tracker of band combined bearing rotating disk described in the utility model, its described supporting mechanism comprises column, lifts arm and mounting system, described act arm is arranged on the column by the rotating disk of band combined bearing, described mounting system is connected with the act arm, and described photovoltaic module is arranged on the mounting system.
The sun tracker of band combined bearing rotating disk described in the utility model, it is provided with the elevation angle drive unit between described act arm and mounting system.
The azimuth drive unit of the utility model utilization band combined bearing rotating disk carries out the adjusting control of horizontal direction angle to photovoltaic module, owing to adopt combination bearing to replace existing steel ball structure in the rotating disk, after installation, what can effectively solve that the steel ball structure brings by the adjusting to rolling bearing can't the pretension problem, operating reliability and stationarity have been improved greatly, improve the precision of following the tracks of, can also play the effect of countershaft centering simultaneously; And in this structure, rotating shaft is driven by housing, has avoided turbine and worm directly to drive, and it is stressed to contact the easy ruined problem of gear that causes for line; The setting of this combined bearing of rotating shaft in rotating disk can also effectively bear radially reach the axle upward pressure.Adopt the utility model, improved machinability greatly, reduced cost with respect to existing apparatus.
Description of drawings
Fig. 1 is the structural representation that has rotating disk commonly used in the sun tracker now.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the structural representation of the utility model turntable.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is an A-A profile among Fig. 4.
Fig. 6 is a B-B profile among Fig. 4.
Mark among the figure: 1 is the azimuth drive unit, and 2 is photovoltaic module, and 3 is housing, 4 are rotating shaft, and 5 is drive motors, and 6 for driving worm screw, 7 for driving turbine, and 8 is tapered roller bearing, and 8a is an inner ring, 8b is the outer ring, and 8c is a rolling element, and 9 is adjusting nut, 10 is flat thrust ball bearing, and 10a is a blowout patche, and 10b is the foundation ring, 10c is a rolling element, and 11 is column, and 12 for lifting arm, 13 is mounting system, and 14 is the elevation angle drive unit, and 15 is the base of supporting mechanism, 16 is Simmer ring, 17 is pivoting support, and 18 is inner ring, and 19 is the outer ring, 20 is steel ball or roller, and 21 is installing hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 2, a kind of sun tracker with the combined bearing rotating disk, comprise that the supporting mechanism in order to photovoltaic module 2 to be installed carries out the azimuth drive unit 1 that the azimuth is adjusted with being fixed on the described supporting mechanism and to this supporting mechanism, described supporting mechanism comprises column 11, lifts arm 12 and mounting system 13, described act arm 12 is arranged on the column 11 by azimuth drive unit 1, can drive the act arm in the horizontal direction by the azimuth drive unit and rotate by solar azimuth, wherein said azimuth drive unit 1 adopts the turntable structure of band combined bearing; Described mounting system 13 is connected with act arm 12, between described act arm 12 and mounting system 13, be provided with elevation angle drive unit 14, can drive mounting system by the elevation angle drive unit moves according to the altitude of the sun angular direction, described photovoltaic module 2 is arranged on the mounting system 13, like this, under the control of two drive units, can make photovoltaic module all the time perpendicular to the direction of solar light irradiation, thereby finish tracking, make photovoltaic module be in maximum rating all the time the sun.
Shown in Fig. 3 and 4, the rotating disk of described band combined bearing comprises housing 3, be arranged on drive unit on the housing 3, be connected with described housing 3 and be arranged at the rotating shaft 4 that is driven by drive unit in the housing 3 and be arranged at combined bearing between described rotating shaft 4 and the drive unit by attachment screw, and described housing 3 is provided with and is used to install the installing hole 21 of lifting arm 12.Wherein, described drive unit comprise by motor flange be arranged on drive motors 5 on the described housing 3, be connected the driving worm screw 6 of described drive motors 5 clutch ends and be fixed on the base 15 of described supporting mechanism and with the driving turbine 7 of described driving worm screw 6 engagements, the other end of described driving worm screw 6 passes housing 3; Described combined bearing comprises countershaft 4 pre-tightening mechanism of feeling relieved and the rolling bearing of bearing axial compressive force, and described pre-tightening mechanism is arranged at and drives between turbine 7 endoporus and the rotating shaft 4, and described rolling bearing is arranged at and drives between turbine 7 upper surfaces and the rotating shaft 4.
As shown in Figure 5, described rolling bearing is flat thrust ball bearing 10, the blowout patche 10a and the rotating shaft 4 of described flat thrust ball bearing 10 closely cooperate, and its foundation ring 10b and described driving turbine 7 upper surfaces closely cooperate, and are provided with rolling element 10c between described blowout patche 10a and the foundation ring 10b; Described pre-tightening mechanism comprises tapered roller bearing 8 and is arranged on the governor motion of described tapered roller bearing 8 belows, the inner ring 8a and the rotating shaft 4 of described tapered roller bearing 8 closely cooperate, its outer ring 8b and described driving turbine 7 closely cooperate, and are provided with rolling element 8c between described inner ring 8a and outer ring 8b; Described governor motion is an adjusting nut 9, described adjusting nut 9 is threaded in the rotating shaft 4 and is resisted against the lower surface of described inner ring 8a, described adjusting nut is born the function that the pretightning force size is adjusted, by the rotation adjusting nut, the outer ring of tapered roller bearing is moved up, thereby solved the problem of pretension between rotating shaft and the driving turbine endoporus, can also play the centering effect by countershaft simultaneously; And when the tapered roller bearing inner ring moved up, what rotating shaft was relative moved down, and flat thrust ball bearing is compressed, thereby had solved the pretension problem between rotating shaft and the driving turbine upper surface, and flat thrust ball bearing of while has also been born axle and upwarded pressure.Wherein, at described housing 3 and drive between the turbine 7, be provided with Simmer ring 16 between the base 15 of described rotating shaft 4 and supporting mechanism.
As shown in Figure 6, in described housing 3, the two ends that drive worm screw 6 are socketed with taper roll bearing respectively, guarantee to drive worm screw and in rotating process, dancing can not occur diametrically.
Operation principle of the present utility model: at first by pretension and centering problem between adjusting nut solution rotating shaft and the driving turbine, the phenomenon that appearance is slightly rocked in preventing to turn round, start drive motors then, drive motors drives and drives the worm screw rotation, driving worm screw is meshing with each other with the driving turbine, because driving turbine is fixed on the column, be connected with housing by drive motors and drive worm screw, housing is connected with rotating shaft again, so when driving the worm screw rotation, then can drive drive motors, housing and rotating shaft are together around the driving turbine rotation, thereby the realization photovoltaic module rotates according to solar azimuth; Then can drive mounting system by the elevation angle drive unit moves according to the altitude of the sun angular direction, like this, under the control of two drive units, can make photovoltaic module all the time perpendicular to the direction of solar light irradiation, thereby finish tracking, make photovoltaic module be in maximum rating all the time the sun.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. sun tracker with the combined bearing rotating disk, comprise that the supporting mechanism in order to photovoltaic module (2) to be installed carries out the azimuth drive unit (1) that the azimuth is adjusted with being fixed on the described supporting mechanism and to this supporting mechanism, it is characterized in that: described azimuth drive unit (1) adopts the turntable structure of band combined bearing.
2. the sun tracker of band combined bearing rotating disk according to claim 1 is characterized in that: the rotating disk of described band combined bearing comprises housing (3), be arranged on drive unit on the housing (3), be connected with described housing (3) and be arranged at the rotating shaft (4) that is driven by drive unit in the housing (3) and be arranged at combined bearing between described rotating shaft (4) and the drive unit.
3. the sun tracker of band combined bearing rotating disk according to claim 2 is characterized in that: the base (15) that described drive unit comprises the drive motors (5) that is arranged on the described housing (3), be connected the driving worm screw (6) of described drive motors (5) clutch end and be fixed on described supporting mechanism go up and with the driving turbine (7) of described driving worm screw (6) engagement.
4. the sun tracker of band combined bearing rotating disk according to claim 3, it is characterized in that: described combined bearing comprises the pre-tightening mechanism that countershaft (4) is felt relieved and bears the rolling bearing of axial compressive force, described pre-tightening mechanism is arranged at and drives between turbine (7) endoporus and the rotating shaft (4), and described rolling bearing is arranged at and drives between turbine (7) upper surface and the rotating shaft (4).
5. the sun tracker of band combined bearing rotating disk according to claim 4, it is characterized in that: described pre-tightening mechanism comprises tapered roller bearing (8) and is arranged on the governor motion of described tapered roller bearing (8) below, the inner ring (8a) of described tapered roller bearing (8) closely cooperates with rotating shaft (4), its outer ring (8b) closely cooperates with described driving turbine (7), and described governor motion is resisted against the lower surface of described inner ring (8a).
6. the sun tracker of band combined bearing rotating disk according to claim 5 is characterized in that: described governor motion is adjusting nut (9), and described adjusting nut (9) is threaded in the rotating shaft (4).
7. according to the sun tracker of claim 4,5 or 6 described band combined bearing rotating disks, it is characterized in that: described rolling bearing is flat thrust ball bearing (10), the blowout patche (10a) of described flat thrust ball bearing (10) closely cooperates with rotating shaft (4), and its foundation ring (10b) closely cooperates with described driving turbine (7) upper surface.
8. according to the sun tracker of any described band combined bearing rotating disk among the claim 3-6, it is characterized in that: described housing (3) and drive between the turbine (7), be provided with Simmer ring (16) between the base (15) of described rotating shaft (4) and supporting mechanism.
9. according to the sun tracker of any described band combined bearing rotating disk among the claim 1-6, it is characterized in that: described supporting mechanism comprises column (11), lifts arm (12) and mounting system (13), described act arm (12) is arranged on the column (11) by the rotating disk of band combined bearing, described mounting system (13) is connected with act arm (12), and described photovoltaic module (2) is arranged on the mounting system (13).
10. the sun tracker of band combined bearing rotating disk according to claim 9 is characterized in that: be provided with elevation angle drive unit (14) between described act arm (12) and mounting system (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202930712U CN201682439U (en) | 2010-08-16 | 2010-08-16 | Sun tracking apparatus with combined bearing turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202930712U CN201682439U (en) | 2010-08-16 | 2010-08-16 | Sun tracking apparatus with combined bearing turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201682439U true CN201682439U (en) | 2010-12-22 |
Family
ID=43347471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202930712U Expired - Fee Related CN201682439U (en) | 2010-08-16 | 2010-08-16 | Sun tracking apparatus with combined bearing turntable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201682439U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893899A (en) * | 2010-08-16 | 2010-11-24 | 成都钟顺科技发展有限公司 | Solar tracing device with combined bearing turntable |
| CN102931764A (en) * | 2012-10-23 | 2013-02-13 | 如皋透平叶片制造有限公司 | Rotary gear box for solar power generation system |
| CN103441160A (en) * | 2013-08-29 | 2013-12-11 | 江苏尚特光伏科技有限公司 | Mounting bracket for solar photovoltaic assemblies |
| CN108534649A (en) * | 2018-05-03 | 2018-09-14 | 平湖市宇达精密机械有限公司 | Concentricity testing device |
-
2010
- 2010-08-16 CN CN2010202930712U patent/CN201682439U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893899A (en) * | 2010-08-16 | 2010-11-24 | 成都钟顺科技发展有限公司 | Solar tracing device with combined bearing turntable |
| CN102931764A (en) * | 2012-10-23 | 2013-02-13 | 如皋透平叶片制造有限公司 | Rotary gear box for solar power generation system |
| CN103441160A (en) * | 2013-08-29 | 2013-12-11 | 江苏尚特光伏科技有限公司 | Mounting bracket for solar photovoltaic assemblies |
| CN108534649A (en) * | 2018-05-03 | 2018-09-14 | 平湖市宇达精密机械有限公司 | Concentricity testing device |
| CN108534649B (en) * | 2018-05-03 | 2020-08-04 | 平湖市宇达精密机械有限公司 | Concentricity detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20120816 |