CN101895239A - Reflective low-concentration photovoltaic generator - Google Patents
Reflective low-concentration photovoltaic generator Download PDFInfo
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- CN101895239A CN101895239A CN2010102543042A CN201010254304A CN101895239A CN 101895239 A CN101895239 A CN 101895239A CN 2010102543042 A CN2010102543042 A CN 2010102543042A CN 201010254304 A CN201010254304 A CN 201010254304A CN 101895239 A CN101895239 A CN 101895239A
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- 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
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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 the huge energy resource consumption of human society at present then mainly is coal, oil, this three big conventional fossil energy of natural gas, and 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 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, be electric energy with solar energy converting.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 defects: 1. light utilization efficiency is low, and the energy output of solar cell is directly proportional with effective radiating area, and effective radiating area is the projected area of received sunlight on the sunlight vertical plane.And because earth rotation, sun east rose the west and fell every day, the solar cell of fixed flat planar photovoltaic generation has only 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 sunlight vertical plane, and this moment, solar cell did not make full use of sunlight, 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 big, and sunlight irradiation power is very low, and every square meter is only about 1kw, therefore will reach certain generated output, need to use solar cells in a large number, and the manufacturing process complexity of solar cell, power consumption are high, cause the photovoltaic generation cost too high, lack the market competitiveness.
In sum, how improving the utilance of solar cell to sunlight, reduce the use amount of solar cell, become and improve dull and stereotyped photovoltaic generation key of competitiveness place, also is the problem that solar energy power generating institute must solution.
Summary of the invention
Goal of the invention of the present invention is: at 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 sunlight receiving unit and the supporting mechanism that is used to support the sunlight receiving unit, it is characterized in that: described sunlight receiving unit comprises the solar module and the sunlight reflection part of equidistant distribution, and described sunlight reflection part is arranged on described solar module both sides and becomes 90 °～135 ° angle α respectively with corresponding solar module.
Reflective low-concentration photovoltaic generator of the present invention, its described sunlight reflection part is made up of glassy layer, silver coating, copper coating, prime coat, top coat layer and protective layer from top to bottom successively, and described glassy layer adopts ultrawhite toughened glass.
Reflective low-concentration photovoltaic generator of the present invention, its described sunlight receiving unit is arranged on the supporting mechanism by the azimuth drive unit that is driven by control system.
Reflective low-concentration photovoltaic generator of the present invention, its described azimuth 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 had the power output shaft of cam and be arranged on the control device that on the described power output shaft external shock loading 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 motors that is arranged on the described housing, be connected the driving worm screw of described drive motors clutch end and be fixedly installed on the described power output shaft and with the driving turbine of described driving worm engaging, described control device comprises the control motor that is arranged on the described housing, be connected the control worm screw of described control motor power output, 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 engaging, 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 plate between described cam and the friction piece, this friction plate 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 that does not stretch out this housing, this end cap is by regulating bolt on described housing, its other end is provided with 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 azimuth drive unit is the turntable structure of band combined bearing, the rotating disk of described band combined bearing comprises housing, be arranged on drive unit on the housing, be connected and be arranged at described housing housing interior by the drive unit driving rotating shaft 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 motors that is arranged on the described housing, the driving worm screw that is connected described drive motors clutch end and is fixed on described supporting mechanism and with the driving turbine of described driving worm engaging, described combined bearing comprises the pre-tightening mechanism that countershaft is felt relieved and bears the rolling bearing of axial compressive force.
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, the 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, the 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 azimuth drive unit, described mounting system is connected with the act arm, described sunlight 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 is provided with the sunlight reflection part on the solar module both sides, have angle between sunlight reflection part and the solar module, like this, the sunlight that is radiated on the sunlight reflection part is reflected on the solar module, and the setting of sunlight reflection part does not influence the reception of solar module itself, so the setting of sunlight reflection part is the equal of the area that has increased solar module reception sunlight; The setting of azimuth drive unit and elevation angle drive unit simultaneously can effectively be controlled the sunlight receiving unit all the time perpendicular to the direction of solar light irradiation, thereby finishes the tracking to the sun, makes the sunlight receiving unit be in maximum rating all the time.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
1, because the optically focused technology that adopts sunlight reflection part and solar module to be used, make with the solar cell of homalographic and can accept more sunlight, improve energy output, the use amount of significantly having saved solar cell has simultaneously been saved the installation cost of whole system.
2, the sunlight reflection part adopts ultrawhite toughened glass, and the reflectivity of its reflected sunlight reaches more than 91%, has improved the sunlight quantities received of solar cell greatly.
3, the present invention also is applied to tracking technique in the native system simultaneously, adopt outside azimuth drive unit 34 and elevation angle drive unit come the solar motion track followed the tracks of, make the sunlight receiving unit realize the full match of solar motion track is followed the tracks of, thereby collected the light radiation during day rises to sunset to greatest extent, improved the utilance of sunlight greatly.
4, the azimuth 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 loading is shifted, promptly being converted into frictional force by this control device external shock load that these are harmful shifts and cuts out, thereby help protecting the subsequent drive device to be damaged because shock loading is excessive, its security performance height, bearing capacity is big; This cam turntable also possesses automatic elimination gap function simultaneously, promptly 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 plate 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 plate are fitted, equal mode of contacting of employing face between cam and friction plate, friction plate and the friction piece simultaneously, frictional contact surface between them is maximized, therefore can to greatest extent harmful external shock load be converted into frictional force and effectively shift or cut out, and how much setting flexibly of the shock loading 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 azimuth drive unit that uses in the tracking technique can also adopt band combined bearing rotating disk, 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.
Description of drawings
Fig. 1 and Fig. 2 are structural representations of the present invention.
Fig. 3 is a light path principle schematic diagram of the present invention.
Fig. 4 is the layer structure schematic 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 an A-A profile among Fig. 6.
Structural representation when Fig. 8 is cam turntable cam and rubbing device applying.
Fig. 9 is the structural representation of the rotating disk of band combined bearing in the embodiment of the invention two.
Figure 10 is the vertical view of Fig. 9.
Figure 11 is an A-A profile among Figure 10.
Figure 12 is a B-B profile among Figure 10.
Mark among the figure: 1 is solar module, and 2 is the sunlight 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 layer, 9a; 9b is a housing; 10 is cam, and 11 is power output shaft, 12a; 12b is a drive motors; 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 plate; 22a; 22b is a tapered roller bearing, and 22b-1 is an inner ring, and 22b-2 is the outer ring; 22b-3 is a rolling element, and 23 is end cap, and 24 for regulating bolt; 25a; 25b is a 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 a blowout patche; 29b is the foundation ring, and 29c is a rolling element, and 30 is column; 31 for lifting arm, and 32 is mounting system, and 33 is the elevation angle drive unit; 34 is the azimuth drive unit, and 35 is adjusting nut, and 36 is output flange.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done detailed explanation.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment one: as illustrated in fig. 1 and 2, a kind of reflective low-concentration photovoltaic generator, comprise sunlight receiving unit and the supporting mechanism that is used to support the sunlight 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 azimuth drive unit 34 that is driven by control system, can drive the act arm in the horizontal direction by azimuth 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 sunlight receiving unit is arranged on the mounting system 32, like this, under the control of two drive units, can make the sunlight receiving unit all the time perpendicular to the direction of solar light irradiation, thereby finish tracking, make the sunlight receiving unit be in maximum rating all the time the sun.
Wherein said sunlight receiving unit comprises the solar module 1 and the sunlight reflection part 2 of equidistant distribution, described sunlight 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 sunlight of sunlight reflection part outer ledge after the process reflection, the edge of the corresponding solar module far-end of its light directive, like this, the sunlight that is radiated on the sunlight reflection part then all is reflected on the corresponding solar module, make the certain solar module of area can accept more sunlight, improve energy output.
As shown in Figure 4, described sunlight reflection part 2 is made up of glassy layer 3, silver coating 4, copper coating 5, prime coat 6, top coat layer 7 and protective layer 8 from top to bottom successively, and described glassy layer 3 adopts ultrawhite toughened glass.The ultrawhite toughened glass of the superiors can guarantee the mechanical strength of sunlight reflection part, and its five layers of coatings behind except guaranteeing the reflection efficiency of sunlight 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 made up of toughened glass, EVA glued membrane, solar cell, EVA glued membrane and back plate successively, fixes parallel with one another or series connection between solar cell then with aluminium sash.
Shown in Fig. 5,6 and 7, described azimuth 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 had the power output shaft 11 of cam 10 and be arranged on the control device that on the described power output shaft 11 external shock loading is shifted by described drive unit; Described drive unit comprises the drive motors 12a that is arranged on the described housing 9a, be connected the driving worm screw 13a of described drive motors 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 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 plate 21 between described cam 10 and the friction piece 20 that this friction plate 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 that does not stretch out this housing 9a, this end cap 23 is fixed on the described housing 9a by regulating bolt 24, its other end is provided with 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 stretches 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 by screw on described housing 9a.
As shown in Figure 8, it is heart-shaped that described cam 10 is, and described friction plate 21 fits with the depression curved surface of heart-shaped cam 10.
The operation principle of above-mentioned cam turntable is: under the control of control system, start described drive motors earlier, the back starts described control motor, and described control rotating speed of motor is set to be lower than the rotating speed about 10% of described drive motors, 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 motors, further discharge, stop described drive motors after the of short duration time-delay with the moment of torsion that described drive motors is produced; Because described cam and power output shaft are single piece, and be slightly later to the startup of described drive motors the start-up time of described control motor, promptly leave certain time-delay and fast poor the start-up time of two motors, so when external shock load is big, this shock loading by described cam in described friction plate, and be converted into frictional force between described friction plate and the friction piece, thereby external shock load that this part is harmful effectively shifts and subdues, and shifts and what of the shock loading 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 plate 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, azimuth drive unit 34 described in the present invention adopts the turntable structure of band combined bearing, the rotating disk of described band 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, and described housing 9b is provided with and is used to install the installing hole of lifting arm 31.Wherein, described drive unit comprise by motor flange be arranged on drive motors 12b on the described housing 9b, be connected the driving worm screw 13b of described drive motors 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 axial compressive force, 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, the 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 element 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 element 22b-3 between described inner ring 22b-1 and outer ring 22b-2; Described governor motion is an adjusting nut 35, described adjusting nut 35 is threaded in the rotating shaft 27 and is resisted against the lower surface of described inner ring 22b-1, 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 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 taper roll bearing respectively, guarantee to drive worm screw and in rotating process, dancing can not occur diametrically.Basic identical among other structures and the embodiment one.
The operation principle of the rotating disk of above-mentioned band combined bearing is: 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, then under the control of control system, start drive motors, 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 invention, not in order to restriction the present invention, all any modifications of being done 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 (10)
1. reflective low-concentration photovoltaic generator, comprise sunlight receiving unit and the supporting mechanism that is used to support the sunlight receiving unit, it is characterized in that: described sunlight receiving unit comprises the solar module (1) and the sunlight reflection part (2) of equidistant distribution, and described sunlight reflection part (2) is arranged on described solar module (1) both sides and becomes 90 °～135 ° angle α respectively with corresponding solar module (1).
2. reflective low-concentration photovoltaic generator according to claim 1; it is characterized in that: described sunlight reflection part (2) is made up of glassy layer (3), silver coating (4), copper coating (5), prime coat (6), top coat layer (7) and protective layer (8) from top to bottom successively, and described glassy layer (3) adopts ultrawhite toughened glass.
3. reflective low-concentration photovoltaic generator according to claim 1 is characterized in that: described sunlight receiving unit is arranged on the supporting mechanism by the azimuth drive unit (34) that is driven by control system.
4. reflective low-concentration photovoltaic generator according to claim 3, it is characterized in that: described azimuth 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), drive and have the power output shaft (11) of cam (10) and be arranged on the control device that on the described power output shaft (11) external shock loading 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).
5. reflective low-concentration photovoltaic generator according to claim 4, it is characterized in that: described drive unit comprises the drive motors (12a) that is arranged on the described housing (9a), be connected the driving worm screw (13a) of described drive motors (12a) clutch end and be fixedly installed on that described power output shaft (11) is gone up 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 the control worm screw (16) of described control motor (15) clutch end, by slip cap (17) be fitted in that described power output shaft (11) is gone up 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).
6. reflective low-concentration photovoltaic generator according to claim 5, 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 plate (21), this friction plate (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 that does not stretch out this housing (9a) (11), this end cap (23) is fixed on the described housing (9a) by regulating bolt (24), its other end is provided with 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).
7. reflective low-concentration photovoltaic generator according to claim 3, it is characterized in that: described azimuth drive unit (34) is the turntable structure of band combined bearing, and the rotating disk of described band 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.
8. reflective low-concentration photovoltaic generator according to claim 7, it is characterized in that: the base (28) that described drive unit comprises the drive motors (12b) that is arranged on the described housing (9b), be connected the driving worm screw (13b) of described drive motors (12b) clutch end and be fixed on described supporting mechanism go up 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 axial compressive force.
9. reflective low-concentration photovoltaic generator according to claim 8, 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.
10. according to any described reflective low-concentration photovoltaic generator among the claim 1-9, 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 azimuth drive unit (34), described mounting system (32) is connected with act arm (31), described sunlight 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 |
|---|---|---|---|
| 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 true CN101895239A (en) | 2010-11-24 |
| CN101895239B CN101895239B (en) | 2013-01-09 |
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| CN2010102543042A Expired - Fee Related CN101895239B (en) | 2010-08-16 | 2010-08-16 | Reflective low-concentration photovoltaic generator |
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| CN102437208A (en) * | 2011-12-08 | 2012-05-02 | 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 |
| CN105071590A (en) * | 2015-08-26 | 2015-11-18 | 四川钟顺太阳能开发有限公司 | Oil-free maintenance-free linear drive unit for sun tracker |
| ES2570998A1 (en) * | 2014-11-19 | 2016-05-23 | Grupo Clavijo Elt S L | One axis solar tracker (Machine-translation by Google Translate, not legally binding) |
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| CN101895239B (en) | 2013-01-09 |
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