CN101895239B - Reflective low-concentration photovoltaic generator - Google Patents
Reflective low-concentration photovoltaic generator Download PDFInfo
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- CN101895239B CN101895239B CN2010102543042A CN201010254304A CN101895239B CN 101895239 B CN101895239 B CN 101895239B CN 2010102543042 A CN2010102543042 A CN 2010102543042A CN 201010254304 A CN201010254304 A CN 201010254304A CN 101895239 B CN101895239 B CN 101895239B
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a reflective low-concentration photovoltaic generator which comprises a sunlight receiving assembly and a supporting mechanism for supporting the sunlight receiving assembly, wherein, the sunlight receiving assembly comprises solar cell modules and sunlight reflecting components which are distributed at equal intervals; and the sunlight reflecting components are arranged at two sides of the solar cell modules and respectively form an included angle alpha within 90-135 degrees with the corresponding solar cell modules. In the invention, the sunlight reflecting components are arranged at two sides of the solar cell modules and the included angle is formed between the sunlight reflecting component and the solar cell module, therefore, the solar cell modules with a certain area can receive more sunlight to improve generated electric energy; and meanwhile an azimuth angle driving device and an altitude angle driving device can effectively control the sunlight receiving assembly to be always vertical to the sunlight irradiation direction, thus completing tracking of the sun and keeping the sunlight receiving assembly in a maximum operating condition.
Description
Technical field
The present invention relates to the solar energy power generating field, particularly a kind of reflective low-concentration photovoltaic generator.
Background technology
Energy and environment are topics that the whole mankind shows great attention to, and what support at present the huge energy resource consumption of human society then mainly is coal, oil, this three large conventional fossil energy of rock gas, and the use of conventional fossil energy is not only seriously polluted, and the resource limited.For these reasons, environmental protection, the sun power that can infinitely use are used as desirable substitute energy, and people are also very active to its R and D.
The utilization of sun power has photo-thermal and two kinds of principal modes of photovoltaic, wherein the research of photovoltaic and utilize with fastest developing speed.Solar energy power generating be with solar cell as electrooptical device, sun power is converted to electric energy.At present, the fixed flat planar photovoltaic generation is the principal mode of solar energy power generating, and the fixed flat planar photovoltaic generation is that dull and stereotyped solar module 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 the photovoltaic generation mode of this main flow has obvious defective: 1. light utilization efficiency is low, and the generated energy of solar cell is directly proportional with effective radiating area, and effective radiating area is the projected area of received sunshine on the sunshine vertical plane.And because earth rotation, sun east rose the west and fell every day, the solar cell of fixed flat planar photovoltaic generation only has the very short time over against the sun among one day, when solar cell tiltedly to the solar time, its effective radiating area is proportional to the cosine of angle between solar cell and the sunshine vertical plane, and this moment, solar cell did not take full advantage of sunshine, like this, can waste a large amount of solar irradiation energy, thereby the light utilization efficiency of fixed flat planar photovoltaic generation is lower.
2. the solar cell consumption is large, and sunlight irradiation power is very low, and every square meter is only about 1kw, therefore to reach certain generated output, need a large amount of use solar cells, and the manufacturing process of solar cell be complicated, the power consumption high, cause the photovoltaic generation high cost, lack the market competitiveness.
In sum, how improving solar cell to the utilization factor of sunshine, reduce the use amount of solar cell, become the key point that improves dull and stereotyped photovoltaic generation competitive power, also is solar energy power generating institute problem needing to overcome.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, provide a kind of optically focused technology and tracking technique are applied to reflective low-concentration photovoltaic generator on the dull and stereotyped photovoltaic generation.
Technical scheme of the present invention is achieved in that a kind of reflective low-concentration photovoltaic generator, comprise sunshine receiving unit and the supporting mechanism that is used for supporting the sunshine receiving unit, it is characterized in that: described sunshine receiving unit comprises solar module and the sunshine reflection part of equidistant distribution, and described sunshine reflection part is arranged on described solar module both sides and becomes respectively 90 °～135 ° angle α with corresponding solar module.
Reflective low-concentration photovoltaic generator of the present invention, its described sunshine reflection part is comprised of glassy layer, silver coating, copper coating, prime coat, top coat layer and protective seam from top to bottom successively, and described glassy layer adopts ultrawhite tempered glass.
Reflective low-concentration photovoltaic generator of the present invention, its described sunshine receiving unit is arranged on the supporting mechanism by the position angle drive unit that is driven by control system.
Reflective low-concentration photovoltaic generator of the present invention, its described position angle drive unit is the turntable structure of strap cam, the rotating disk of described strap cam comprises housing, be arranged on drive unit on the described housing, driven and with the power output shaft of cam be arranged on the control device that on the described power output shaft external shock load is shifted by described drive unit, one end of described power output shaft is positioned at described housing, and the other end stretches out described housing.
Reflective low-concentration photovoltaic generator of the present invention, its described drive unit comprises the drive motor that is arranged on the described housing, be connected to the driving worm screw of described drive motor clutch end and be fixedly installed on the described power output shaft and with the driving turbine of described driving worm mesh, described control device comprises the control motor that is arranged on the described housing, be connected to the control worm screw of described control motor power output terminal, by slip cap be fitted on the described power output shaft and with the control turbine and the rubbing device that contacts with described cam surface of described control worm mesh, wherein, described control turbine is arranged at described cam and drives between the turbine, and described control turbine with drive employing between the turbine and be sleeved on spacer on the described power output shaft and separate and be set in parallel on the described power output shaft.
Reflective low-concentration photovoltaic generator of the present invention, its described rubbing device comprises and contacts with described cam surface and be fixed in the friction piece on the described housing and be arranged on friction disc between described cam and the friction piece, this friction disc and described friction piece and cam are all fitted, be provided with tapered roller bearing between described power output shaft and the friction piece, described housing is provided with end cap corresponding to an end of the power output shaft of not stretching out this housing, this end cap is fixed on the described housing by adjusting bolt, its other end arranges Simmer ring between described power output shaft and friction piece, this Simmer ring is sealed in described tapered roller bearing between described power output shaft and the friction piece, between described friction piece and housing, be provided with the O RunddichtringO between described end cap and the housing.
Reflective low-concentration photovoltaic generator of the present invention, its described position angle drive unit is the turntable structure with combined bearing, and described rotating disk with combined bearing comprises 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.
Reflective low-concentration photovoltaic generator of the present invention, on the base that its described drive unit comprises the drive motor that is arranged on the described housing, the driving worm screw that is connected to described drive motor clutch end and is fixed on described supporting mechanism and with the driving turbine of described driving worm mesh, described combined bearing comprises the pre-tightening mechanism that countershaft is felt relieved and bears the rolling bearing of axle pressure.
Reflective low-concentration photovoltaic generator of the present invention, its described pre-tightening mechanism is arranged at and drives between turbine endoporus and the rotating shaft, described rolling bearing is arranged at and drives between turbine upper surface and the rotating shaft, described pre-tightening mechanism comprises tapered roller bearing and is arranged on the governor motion of described tapered roller bearing below, inner ring and the rotating shaft of described tapered roller bearing closely cooperate, its outer ring and described driving turbine closely cooperate, described governor motion is resisted against the lower surface of described inner ring, described rolling bearing is flat thrust ball bearing, blowout patche and the rotating shaft of described flat thrust ball bearing closely cooperate, its foundation ring and described driving turbine upper surface closely cooperate, between housing and the driving turbine, be provided with Simmer ring between the base of described rotating shaft and supporting mechanism.
Reflective low-concentration photovoltaic generator of the present invention, its described supporting mechanism comprises column, lifts arm and mounting system, described act arm is arranged on the column by the position angle drive unit, described mounting system is connected with the act arm, described sunshine receiving unit is arranged on the mounting system, is provided with the elevation angle drive unit between described act arm and mounting system.
The present invention arranges the sunshine reflection part on the solar module both sides, have angle between sunshine reflection part and the solar module, like this, the sunshine that is radiated on the sunshine reflection part is reflected on the solar module, and the setting of sunshine reflection part does not affect the reception of solar module itself, so the setting of sunshine reflection part is the equal of the area that has increased solar module reception sunshine; The simultaneously setting of position angle drive unit and elevation angle drive unit can effectively be controlled the sunshine receiving unit all the time perpendicular to the direction of solar light irradiation, thereby finishes the tracking to the sun, makes the sunshine receiving unit be in all the time maximum rating.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
1, because the optically focused technology that adopts sunshine reflection part and solar module to be used, make with the solar cell of homalographic and can accept more sunshine, improve generated energy, the use amount of significantly having saved solar cell has simultaneously been saved the installation cost of whole system.
2, the sunshine reflection part adopts ultrawhite tempered glass, and the reflectivity of its reflected sunlight reaches more than 91%, has greatly improved the sunshine quantities received of solar cell.
3, the present invention also is applied to tracking technique in the native system simultaneously, adopt outside position angle drive unit 34 and elevation angle drive unit come the solar motion track followed the tracks of, make the sunshine receiving unit realize the full match of solar motion track is followed the tracks of, thereby collected to greatest extent the light radiation during day rises to sunset, greatly improved the utilization factor of sunshine.
4, the position angle drive unit that uses in the tracking technique adopts the rotating disk of strap cam, in this rotating disk, be provided with the control device that external shock load is shifted, namely being converted into friction force by this control device external shock load that these are harmful shifts and cuts out, thereby be conducive to protect the subsequent drive device because shock load is excessive and damaged, its security performance is high, and load-bearing capacity is large; This cam turntable also possesses automatic elimination gap function simultaneously, namely because the start-up time of control turbine and speed have hysteresis quality for driving turbine, therefore control turbine by acting on cam, this cam pushes friction disc to the friction piece direction, thereby each parts in the cam turntable are adjusted elimination in when assembling or the gap that produces owing to the wearing and tearing of each parts in use for some time, its compact conformation uses very convenient; Wherein, cam turntable adopts heart-shaped cam, and the depression curved surface of this heart-shaped cam and friction disc are fitted, equal mode of contacting of employing face between cam and friction disc, friction disc and the friction piece simultaneously, frictional contact surface between them is maximized, therefore can to greatest extent harmful external shock load be converted into friction force and effectively shift or cut out, and how much setting flexibly of the shock load that the depression curved surface of this heart-shaped cam can shift as required or consume, it is simple in structure, and is economic and practical.
5, the position angle drive unit that uses in the tracking technique can also adopt the band combined bearing turntable, owing to adopt combination bearing to replace existing steel ball structure in the rotating disk, after installation, what can solve effectively by the adjusting to rolling bearing that steel ball structure brings can't the pretension problem, operating reliability and stationarity have greatly been improved, 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 easily destroyed problem of gear that causes for line; The setting of this combined bearing of rotating shaft in rotating disk can also effectively be born and radially reach axle and upward pressure.
Description of drawings
Fig. 1 and Fig. 2 are structural representations of the present invention.
Fig. 3 is light path principle synoptic diagram of the present invention.
Fig. 4 is the layer structure synoptic diagram of sun reflection part among the present invention.
Fig. 5 is the structural representation of strap cam rotating disk in the embodiment of the invention one.
Fig. 6 is the front view of Fig. 5.
Fig. 7 is A-A sectional view among Fig. 6.
Structural representation when Fig. 8 is cam turntable cam and rubbing device applying.
Fig. 9 is with the structural representation of the rotating disk of combined bearing in the embodiment of the invention two.
Figure 10 is the vertical view of Fig. 9.
Figure 11 is A-A sectional view among Figure 10.
Figure 12 is B-B sectional view among Figure 10.
Mark among the figure: 1 is solar module, and 2 is the sunshine reflection part, and 3 is glassy layer; 4 is silver coating, and 5 is copper coating, and 6 is prime coat; 7 is top coat layer, and 8 is protective seam, 9a; 9b is housing; 10 is cam, and 11 is power output shaft, 12a; 12b is drive motor; 13a; 13b is for driving worm screw, 14a; 14b is for driving turbine, and 15 are the control motor; 16 are the control worm screw, and 17 is slip cap, and 18 are the control turbine; 19 is spacer, and 20 is friction piece, and 21 is friction disc; 22a; 22b is tapered roller bearing, and 22b-1 is inner ring, and 22b-2 is the outer ring; 22b-3 is rolling body, and 23 is end cap, and 24 is adjusting bolt; 25a; 25b is Simmer ring, and 26 is the O RunddichtringO, and 27 are rotating shaft; 28 is the base of supporting mechanism, and 29 is flat thrust ball bearing, and 29a is blowout patche; 29b is the foundation ring, and 29c is rolling body, and 30 is column; 31 for lifting arm, and 32 is mounting system, and 33 is the elevation angle drive unit; 34 is the position angle drive unit, and 35 is setting nut, and 36 is output flange.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Embodiment one: as illustrated in fig. 1 and 2, a kind of reflective low-concentration photovoltaic generator, comprise sunshine receiving unit and the supporting mechanism that is used for supporting the sunshine receiving unit, described supporting mechanism comprises column 30, lifts arm 31 and mounting system 32, described act arm 31 is arranged on the column 30 by the position angle drive unit 34 that is driven by control system, can drive in the horizontal direction the act arm by position angle drive unit 34 and rotate by solar azimuth; Described mounting system 32 is connected with act arm 31, between described act arm 31 and mounting system 32, be provided with elevation angle drive unit 33, can drive mounting system by the elevation angle drive unit moves according to the altitude of the sun angular direction, described sunshine receiving unit is arranged on the mounting system 32, like this, under the control of two drive units, can make the sunshine receiving unit all the time perpendicular to the direction of solar light irradiation, thereby finish the tracking to the sun, make the sunshine receiving unit be in all the time maximum rating.
Wherein said sunshine receiving unit comprises solar module 1 and the sunshine reflection part 2 of equidistant distribution, described sunshine reflection part 2 be arranged on described solar module 1 both sides and respectively with corresponding solar module 1 α that has angle, described angle α can change in 90 °～135 ° scope according to the length of solar module, as shown in Figure 3, its best angle is to be radiated at the sunshine of sunshine reflection part outer ledge after the process reflection, the edge of the corresponding solar module far-end of its light directive, like this, the sunshine that is radiated on the sunshine reflection part then all is reflected on the corresponding solar module, make the certain solar module of area can accept more sunshine, improve generated energy.
As shown in Figure 4, described sunshine reflection part 2 is comprised of glassy layer 3, silver coating 4, copper coating 5, prime coat 6, top coat layer 7 and protective seam 8 from top to bottom successively, and described glassy layer 3 adopts ultrawhite tempered glass.The ultrawhite tempered glass of the superiors can guarantee the physical strength of sunshine reflection part, and its five layers of coatings behind except guaranteeing the reflection efficiency of sunshine reflection part, can also guarantee that it has the function that anticorrosion is polluted.Described solar module 1 is the single crystal silicon solar cell assembly, is comprised of tempered glass, EVA glued membrane, solar cell, EVA glued membrane and rear plate successively, then fixes parallel with one another or series connection between solar cell with aluminium sash.
Shown in Fig. 5,6 and 7, described position angle drive unit 34 is the turntable structure of strap cam, and the rotating disk of described strap cam comprises housing 9a, be arranged on drive unit on the housing 9a, driven and with the power output shaft 11 of cam 10 be arranged on the control device that on the described power output shaft 11 external shock load is shifted by described drive unit; Described drive unit comprises the drive motor 12a that is arranged on the described housing 9a, be connected to the driving worm screw 13a of described drive motor 12a clutch end and be fixedly installed on the described power output shaft 11 and with the driving turbine 14a of described driving worm screw 13a engagement; Described control device comprises the control motor 15 that is arranged on the described housing 9a, be connected to the control worm screw 16 of described control motor 15 clutch ends, by slip cap 17 be fitted on the described power output shaft 11 and with the control turbine 18 of described control worm screw 16 engagements with 10 rubbing devices that contact of described cam, wherein, described control turbine 18 is arranged at described cam 10 and drives between the turbine 14a, and described control turbine 18 with drive employing between the turbine 14a and be sleeved on spacer 19 on the described power output shaft 11 and separate and be set in parallel on the described power output shaft 11; Described rubbing device comprises and contacts with 10 on described cam and be fixed in the friction piece 20 on the described housing 9a and be arranged on friction disc 21 between described cam 10 and the friction piece 20 that this friction disc 21 is all fitted with described friction piece 20 and cam 10; Be provided with tapered roller bearing 22a between described power output shaft 11 and the friction piece 20; One end of described power output shaft 11 is positioned at described housing 9a, the other end stretches out described housing 9a, and, described housing 9a is provided with end cap 23 corresponding to an end of the power output shaft 11 of not stretching out this housing 9a, this end cap 23 is fixed on the described housing 9a by adjusting bolt 24, its other end arranges Simmer ring 25a between described power output shaft 11 and friction piece 20, this Simmer ring 25a is sealed in described tapered roller bearing 22a between described power output shaft 11 and the friction piece 20; The end that described power output shaft 11 is stretched out described housing 9a is rigidly connected by the lower end of output flange 36 with described act arm 31; Between described friction piece 20 and the housing 9a, be provided with O RunddichtringO 26 between described end cap 23 and the housing 9a; Described friction piece 20 is fixed on the described housing 9a by screw.
As shown in Figure 8, it is heart-shaped that described cam 10 is, and described friction disc 21 fits with the depression curved surface of heart-shaped cam 10.
The principle of work of above-mentioned cam turntable is: under the control of control system, start first described drive motor, the described control motor of rear startup, and the rotating speed of described control motor is set to be lower than the rotating speed about 10% of described drive motor, this moment, described control motor drove described frictional rotation by described control worm screw and control turbine, and move in the same way with described drive motor, further discharge with the moment of torsion that described drive motor is produced, stop described drive motor after the of short duration time-delay; Because described cam and power output shaft are single piece, and be slightly later to the startup of described drive motor the start-up time of described control motor, namely leave certain time-delay and fast poor the start-up time of two motors, so when external shock load is larger, this shock load is passed through described cam wheel in described friction disc, and be converted into friction force between described friction disc and the friction piece, thereby external shock load that this part is harmful effectively shifts and subdues, and shifts and what of the shock load of subduing can be designed by the depression curved surface to described cam and controlled about needs; In the above-mentioned course of work, described control turbine is by acting on described cam, this cam with described friction disc to friction piece direction extruding, thereby with each parts in the cam turntable when the assembling or in use for some time because the gap that the wearing and tearing of each parts produce elimination.
Embodiment two: as shown in Figures 9 and 10, the turntable structure that position angle drive unit 34 described in the present invention adopts with combined bearing, described rotating disk with combined bearing comprises housing 9b, be arranged on drive unit on the housing 9b, be connected with described housing 9b and be arranged at the rotating shaft 27 that is driven by drive unit in the housing 9b and be arranged at combined bearing between described rotating shaft 27 and the drive unit by attachment screw, is provided with the mounting hole of lifting arm 31 for installing at described housing 9b.Wherein, described drive unit comprise by motor flange be arranged on drive motor 12b on the described housing 9b, be connected to the driving worm screw 13b of described drive motor 12b clutch end and be fixed on the base 28 of described supporting mechanism and with the driving turbine 14b of described driving worm screw 13b engagement, the other end of described driving worm screw 13b passes housing 9b; Described combined bearing comprises the pre-tightening mechanism that countershaft 27 is felt relieved and bears the rolling bearing of axle pressure, described pre-tightening mechanism is arranged at and drives between turbine 14b endoporus and the rotating shaft 27, and described rolling bearing is arranged at and drives between turbine 14b upper surface and the rotating shaft 27.
As shown in figure 11, described rolling bearing is flat thrust ball bearing 29, blowout patche 29a and the rotating shaft 27 of described flat thrust ball bearing 29 closely cooperate, and its foundation ring 29b and described driving turbine 14b upper surface closely cooperate, and are provided with rolling body 29c between described blowout patche 29a and the foundation ring 29b; Described pre-tightening mechanism comprises tapered roller bearing 22b and is arranged on the governor motion of described tapered roller bearing 22b below, inner ring 22b-1 and the rotating shaft 27 of described tapered roller bearing 22b closely cooperate, its outer ring 22b-2 and described driving turbine 14b closely cooperate, and are provided with rolling body 22b-3 between described inner ring 22b-1 and outer ring 22b-2; Described governor motion is setting nut 35, described setting nut 35 is threaded in the rotating shaft 27 and is resisted against the lower surface of described inner ring 22b-1, described setting nut is born the function that the pretightning force size is adjusted, by the rotation setting 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 certralizing ability 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 9b and drive between the turbine 14b, be provided with Simmer ring 25b between the base 28 of described rotating shaft 27 and supporting mechanism.
As shown in figure 12, in described housing 9b, the two ends that drive worm screw 13a are socketed with respectively taper roll bearing, guarantee to drive worm screw and in the process of rotating, dancing can not occur diametrically.Basic identical among other structures and the embodiment one.
The principle of work of above-mentioned rotating disk with combined bearing is: at first solve pretension and centering problem between rotating shaft and the driving turbine by setting nut, the phenomenon that appearance is slightly rocked in preventing from turning round, then under the control of control system, start drive motor, drive motor drives and drives the worm screw rotation, it is intermeshing with the driving turbine to drive worm screw, because driving turbine is fixed on the column, be connected with housing by drive motor and drive worm screw, housing is connected with rotating shaft again, so when driving the worm screw rotation, then can drive drive motor, 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 the tracking to the sun, make photovoltaic module be in all the time maximum rating.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. reflective low-concentration photovoltaic generator, comprise sunshine receiving unit and the supporting mechanism that is used for supporting the sunshine receiving unit, it is characterized in that: described sunshine receiving unit comprises solar module (1) and the sunshine reflection part (2) of equidistant distribution, described sunshine reflection part (2) is arranged on described solar module (1) both sides and becomes respectively 90 °～135 ° angle α with corresponding solar module (1), described sunshine receiving unit is arranged on the supporting mechanism by the position angle drive unit (34) that is driven by control system, described position angle drive unit (34) is the turntable structure of strap cam, the rotating disk of described strap cam comprises housing (9a), be arranged on the drive unit on the described housing (9a), driven and with the power output shaft (11) of cam (10) be arranged on described power output shaft (11) and go up the control device that external shock load is shifted by described drive unit, one end of described power output shaft (11) is positioned at described housing (9a), and the other end stretches out described housing (9a).
2. reflective low-concentration photovoltaic generator according to claim 1; it is characterized in that: described sunshine reflection part (2) is comprised of glassy layer (3), silver coating (4), copper coating (5), prime coat (6), top coat layer (7) and protective seam (8) from top to bottom successively, and described glassy layer (3) adopts ultrawhite tempered glass.
3. reflective low-concentration photovoltaic generator according to claim 1, it is characterized in that: described drive unit comprises the drive motor (12a) that is arranged on the described housing (9a), be connected to the driving worm screw (13a) of described drive motor (12a) clutch end and be fixedly installed on described power output shaft (11) upper and with the driving turbine (14a) of described driving worm screw (13a) engagement, described control device comprises the control motor (15) that is arranged on the described housing (9a), be connected to the control worm screw (16) of described control motor (15) clutch end, by slip cap (17) be fitted in described power output shaft (11) upper and with the control turbine (18) and the rubbing device that contacts with described cam (10) face of described control worm screw (16) engagement, wherein, described control turbine (18) is arranged at described cam (10) and drives between the turbine (14a), and described control turbine (18) with drive employing between the turbine (14a) and be sleeved on spacer (19) on the described power output shaft (11) and separate and be set in parallel on the described power output shaft (11).
4. reflective low-concentration photovoltaic generator according to claim 3, it is characterized in that: described rubbing device comprise contact with described cam (10) face and be fixed in the friction piece (20) on the described housing (9a) and be arranged on described cam (10) and friction piece (20) between friction disc (21), this friction disc (21) is all fitted with described friction piece (20) and cam (10), be provided with tapered roller bearing (22a) between described power output shaft (11) and the friction piece (20), described housing (9a) is provided with end cap (23) corresponding to an end of the power output shaft of not stretching out this housing (9a) (11), this end cap (23) is fixed on the described housing (9a) by adjusting bolt (24), its other end arranges Simmer ring (25a) between described power output shaft (11) and friction piece (20), this Simmer ring (25a) is sealed in described tapered roller bearing (22a) between described power output shaft (11) and the friction piece (20), between described friction piece (20) and housing (9a), be provided with O RunddichtringO (26) between described end cap (23) and the housing (9a).
5. reflective low-concentration photovoltaic generator according to claim 1, it is characterized in that: described position angle drive unit (34) is for the turntable structure of combined bearing, and described rotating disk with combined bearing comprises housing (9b), be arranged on drive unit on the housing (9b), be connected with described housing (9b) and be arranged in the housing (9b) by the rotating shaft (27) of drive unit driving and be arranged at combined bearing between described rotating shaft (27) and the drive unit.
6. reflective low-concentration photovoltaic generator according to claim 5, it is characterized in that: described drive unit comprises the drive motor (12b) that is arranged on the described housing (9b), be connected to the driving worm screw (13b) of described drive motor (12b) clutch end and be fixed on the base (28) of described supporting mechanism upper and with the driving turbine (14b) of described driving worm screw (13b) engagement, described combined bearing comprises the pre-tightening mechanism that countershaft (27) is felt relieved and bears the rolling bearing of axle pressure.
7. reflective low-concentration photovoltaic generator according to claim 6, it is characterized in that: described pre-tightening mechanism is arranged at and drives between turbine (14b) endoporus and the rotating shaft (27), described rolling bearing is arranged at and drives between turbine (14b) upper surface and the rotating shaft (27), described pre-tightening mechanism comprises tapered roller bearing (22b) and is arranged on the governor motion of described tapered roller bearing (22b) below, the inner ring (22b-1) of described tapered roller bearing (22b) closely cooperates with rotating shaft (27), its outer ring (22b-2) closely cooperates with described driving turbine (14b), described governor motion is resisted against the lower surface of described inner ring (22b-1), described rolling bearing is flat thrust ball bearing (29), the blowout patche (29a) of described flat thrust ball bearing (29) closely cooperates with rotating shaft (27), its foundation ring (29b) closely cooperates with described driving turbine (14b) upper surface, between housing (9b) and the driving turbine (14b), be provided with Simmer ring (25b) between the base (28) of described rotating shaft (27) and supporting mechanism.
8. the described reflective low-concentration photovoltaic generator of any one according to claim 1-7, it is characterized in that: described supporting mechanism comprises column (30), lifts arm (31) and mounting system (32), described act arm (31) is arranged on the column (30) by position angle drive unit (34), described mounting system (32) is connected with act arm (31), described sunshine receiving unit is arranged on the mounting system (32), is provided with elevation angle drive unit (33) between described act arm (31) and mounting system (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102543042A CN101895239B (en) | 2010-08-16 | 2010-08-16 | Reflective low-concentration photovoltaic generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102543042A CN101895239B (en) | 2010-08-16 | 2010-08-16 | Reflective low-concentration photovoltaic generator |
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| Publication Number | Publication Date |
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| CN101895239A CN101895239A (en) | 2010-11-24 |
| CN101895239B true CN101895239B (en) | 2013-01-09 |
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Families Citing this family (6)
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| CN102222714A (en) * | 2011-05-26 | 2011-10-19 | 深圳市安泰科建筑技术有限公司 | Low concentration device of solar battery |
| CN102361419B (en) * | 2011-11-17 | 2014-09-17 | 丁慈鑫 | Method for increasing power generation quantity of solar photovoltaic power generation station by using shadow active region |
| CN102437208B (en) * | 2011-12-08 | 2013-11-20 | 上海太阳能电池研究与发展中心 | Mechanically assembled solar cell |
| CN103943453A (en) * | 2014-05-12 | 2014-07-23 | 四川天微电子有限责任公司 | Ultraviolet detector |
| ES2570998B1 (en) * | 2014-11-19 | 2017-01-30 | Grupo Clavijo Elt, S.L. | Single axis solar tracker |
| CN105071590B (en) * | 2015-08-26 | 2018-03-27 | 四川钟顺太阳能开发有限公司 | A kind of non-maintaining linear drive apparatus of oil-free for sun tracker |
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| CN101895239A (en) | 2010-11-24 |
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