CN208779736U - A kind of orientation biography light solar-energy light collector - Google Patents

A kind of orientation biography light solar-energy light collector Download PDF

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Publication number
CN208779736U
CN208779736U CN201821413816.7U CN201821413816U CN208779736U CN 208779736 U CN208779736 U CN 208779736U CN 201821413816 U CN201821413816 U CN 201821413816U CN 208779736 U CN208779736 U CN 208779736U
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China
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light
orientation
adjustment device
solar
fresnel lenses
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CN201821413816.7U
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李浩腾
王海
黄金
陈木生
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Guangdong University of Technology
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Guangdong University of Technology
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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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/44—Heat exchange systems
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking

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  • Optical Couplings Of Light Guides (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The embodiment of the present application discloses a kind of orientation biography light solar-energy light collector, the Fresnel Lenses of the application is under the action of horizontal rotating table, it can be realized to the azimuthal adjustment of sunray, under the action of rotary mount, it can be realized the adjustment to sunray elevation angle, the optically focused focus of Fresnel Lenses is overlapped with the focus of orientation adjustment device, optically focused and transmission are carried out to sunray by orientation adjustment device and light pipe, realize the light and heat collection of solar energy, it does not need to carry out Heat transmission using oil pipeline, high-power oil pump equal power device is not needed yet, solve existing beam condensing unit need to use quantity it is more, the long oil pipeline of tube side, it is easy to increase the heat loss of entire collecting system, the technical issues of with using high-power oil pump power device to cause the loss increase of system.

Description

A kind of orientation biography light solar-energy light collector
Technical field
This application involves technical field of solar more particularly to a kind of orientation to pass light solar-energy light collector.
Background technique
Existing Salar light-gathering technology be it is a kind of by way of optically focused the sunlight on certain area pass through condenser system converge Gather the technology in a narrow region, being received energy with solar panel or heat-collecting part and being used.
In Salar light-gathering field, most common beam condensing unit is reflection-type beam condenser, the advantage is that and is simple and efficient, but It is traditional reflection concentration type device when applying in Solar Energy Heat Utilization System, needs for heat sink to be disposed thereon Side is easy to cause heat sink to block reflection-type beam condenser generation, influences spotlight effect and the absorption of entire heat utilization system Efficiency.It can solve disadvantages described above existing for reflection concentration type device using Fresnel transmission beam condensing unit, it can be by sunlight Line converges at the lower section of Fresnel Lenses, to realize the effect being arranged in heat sink below beam condensing unit.
Traditional Fresnel penetrating apparatus is the enlargement and multifunction for realizing heat sink, usually in optically focused focal point The heat-conducting mediums such as load conduction oil transfer heat to heat absorption dress to absorb heat, then by devices such as oil pipeline and oil pumps It sets, to realize the separation of beam condensing unit and heat sink, and then realizes the enlargement and multifunction of heat sink.But This mode needs to use the oil pipeline that quantity is more, tube side is long, is easy to increase the heat loss of entire collecting system, high-power oil Pump equal power device comes into operation, also by the excess loss for the system that obviously increases.
Utility model content
The embodiment of the present application provides a kind of orientation biography light solar-energy light collector, solves existing beam condensing unit needs The oil pipeline that quantity is more, tube side is long is used, is easy to increase the heat loss of entire collecting system, and use high-power oil pump power Device causes the technical issues of loss increase of system.
In view of this, this application provides a kind of orientations to pass light solar-energy light collector, described device includes:
Pedestal, Fresnel Lenses, lens carrier, horizontal rotating table and directional collimator；
The horizontal rotating table is cyclic structure, and is mounted on the base；
The Fresnel Lenses is mounted on the lens carrier；
The lens carrier is fixed on the pillar of the horizontal rotating table by rotary mount；
The directional collimator includes: light pipe and orientation adjustment device；
The light pipe is connected with the orientation adjustment device integration；
The orientation adjustment device is paraboloid of revolution structure；
The optically focused focus of the Fresnel Lenses is overlapped with the focus of the orientation adjustment device.
Preferably, described device further include: stepper motor；
The stepper motor is electrically connected with the horizontal rotating table, is horizontally rotated and is controlled for controlling the horizontal rotating table The lens carrier is made to rotate around the rotary mount.
Preferably, the orientation adjustment device and/or the guide-lighting pipe internal surface coat high reflection aluminium film.
Preferably, described device further include: fixed station；
The hollow position of the horizontal rotating table is arranged in the fixed station；
Be provided with vertical pivot on the fixed station, be provided with mounting hole on the vertical pivot, the mounting hole be used for it is described fixed It is connected to the hold-down support of adjuster.
Preferably, described device further include: match heavy duty；It is described to be installed on the lens carrier with heavy duty, it is used for Balance the lens carrier.
Preferably, described device further include: shaft；
The shaft is mounted on the pillar, for adjusting the torque of the rotary mount, assists the stepping electricity Machine drives the rotary mount.
Preferably, the directional collimator further include: guide-lighting pipe holder；
The leaded light pipe holder is detachably connected with the light pipe, is used to support the light pipe.
Preferably, angle formed by the cross section of the normal of the Fresnel Lenses and the orientation adjustment device, is equal to too Positive elevation angle.
Preferably, the least radius of the light pipe isThe coke of the orientation adjustment device Standard away from forWherein, ΔsFor the sunlight angle of divergence, f1For Fresnel Lenses focal length, hminFor most Sunny elevation angle, R are Fresnel Lenses radius.
Preferably, the least radius of the light pipe is more than or equal to the maximum radius of the light-emitting window of the orientation adjustment device.
As can be seen from the above technical solutions, the embodiment of the present application has the advantage that
In the embodiment of the present application, provide a kind of orientation and pass light solar-energy light collector, comprising: pedestal, Fresnel Lenses, Lens carrier, horizontal rotating table and directional collimator；Horizontal rotating table is cyclic structure, and is mounted on the base；Fresnel is saturating Mirror is mounted on lens carrier；Lens carrier is fixed on the pillar of horizontal rotating table by rotary mount；Directional collimator It include: light pipe and orientation adjustment device；Light pipe is connected with orientation adjustment device integration；Orientation adjustment device is paraboloid of revolution knot Structure；The optically focused focus of Fresnel Lenses is overlapped with the focus of orientation adjustment device.Device provided by the present application, Fresnel Lenses is in water Under the action of flat turntable, can be realized can be realized sunray azimuthal adjustment under the action of rotary mount The optically focused focus of Fresnel Lenses is overlapped with the focus of orientation adjustment device, passes through orientation by the adjustment to sunray elevation angle Adjuster and light pipe carry out optically focused and transmission to sunray, realize the light and heat collection of solar energy, do not need using oil transportation Pipeline carries out Heat transmission, does not also need the power device of high-power oil pump, solves existing beam condensing unit and need to use quantity Oil pipeline more, tube side is long is easy to increase the heat loss of entire collecting system, and is caused using high-power oil pump power device The technical issues of loss of system increases.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of orientation biography light solar-energy light collector in the embodiment of the present application；
Fig. 2 is that geometrical relationship when sunray passes through Fresnel Lenses and orientation adjustment device in the embodiment of the present application is illustrated Figure；
Fig. 3 is the first spot projection schematic diagram of Fresnel Lenses in the embodiment of the present application；
Fig. 4 is second of spot projection schematic diagram of Fresnel Lenses in the embodiment of the present application；
Wherein, appended drawing reference are as follows:
1, pedestal；2, Fresnel Lenses；3, lens carrier；4, horizontal rotating table；5, orientation adjustment device；6, rotation is fixed Part；7, shaft；8, light pipe；Guide-lighting pipe holder；10, vertical pivot；11, match heavy duty.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only this Apply for a part of the embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art exist Every other embodiment obtained under the premise of creative work is not made, shall fall in the protection scope of this application.
It should be understood that the application is applied to solar concentrating system, referring to Fig. 1, Fig. 1 is a kind of fixed in the embodiment of the present application The structural schematic diagram of Xiang Chuanguang solar-energy light collector, as shown in Figure 1, including pedestal 1, Fresnel Lenses 2, lens branch in Fig. 1 Frame 3, horizontal rotating table 4 and directional collimator；
Horizontal rotating table 4 is cyclic structure, and is mounted on pedestal 1；
Fresnel Lenses 2 is mounted on lens carrier 3；
Lens carrier 3 is fixed on the pillar of horizontal rotating table 4 by rotary mount 6；
Directional collimator includes: light pipe 8 and orientation adjustment device 5；
The 5 integration connection of light pipe 8 and orientation adjustment device；
Orientation adjustment device 5 is paraboloid of revolution structure；
The optically focused focus of Fresnel Lenses 2 is overlapped with the focus of orientation adjustment device 5.
It should be noted that in the embodiment of the present application, orientation pass sunray used by light solar-energy light collector with Track mode is elevation angle-orientation angie type tracking mode, it should be appreciated that base of the those skilled in the art in the embodiment of the present application On plinth, polar mounts tracking mode can also be used.Beam condensing unit in the embodiment of the present application passes through horizontal rotating table 4 and rotation Fixing piece 6 is that sunray is vertical with Fresnel Lenses 2 always to the adjustment result of Fresnel Lenses 2, the embodiment of the present application The optically focused focus of device is overlapped with the focus of orientation adjustment device 5, focus phase during Fresnel Lenses 2 tracks sunray Static to ground, rotary mount 6 can be shaft.
In the embodiment of the present application, ideally, due to the optically focused focus of Fresnel Lenses 2 and orientation adjustment device 5 Focus is overlapped, and therefore, the light that Fresnel Lenses 2 is converged is understood after the reflection of orientation adjustment device 5 from orientation adjustment device 5 Opening projects in parallel.Under non-ideal conditions, sunlight is not absolute directional light, has the definitely sunlight angle of divergence, Therefore, sunray can be formed with a certain size disc of confusion after Fresnel Lenses 2 on orientation adjustment device 5, in addition, by In the tracking error of Fresnel Lenses, mismachining tolerance and damage or deformation caused in installation, transport or use process Deng, also resulting in sunlight after the refraction of Fresnel Lenses 2, cannot get an ideal convergent point, but with certain The hot spot of region area, therefore, during practical optically focused, orientation adjustment device 5 be open out the sunray that projects have it is certain Dispersion angle.In order to constrain the sunray after oriented adjuster 5 reflects, it is provided with connection integrated with orientation adjustment device 5 Light pipe 8, by light pipe 8 by the sunray with certain dispersion angle projected from 5 opening of orientation adjustment device about Beam realizes the orientation optically focused to sunray in the pipeline of specific clear field.
Orientation in the embodiment of the present application passes on light solar-energy light collector, can be set for automatically tracking sunlight The control side controller of the autotracking unit of line, autotracking unit can be set on pedestal 1, and the detector of autotracking unit is set It sets above Fresnel Lenses 2.Autotracking unit tracks elevation angle and the azimuth of sunray, and orientation passes light Salar light-gathering Device adjusts lens carrier 3 according to elevation angle, according to azimuth adjustment horizontal rotating table 4 so that sunray always with luxuriant and rich with fragrance alunite Your lens 2 are vertical, and the optically focused focus of Fresnel Lenses 2 is remained with the focus of orientation adjustment device 5 to be overlapped.
A kind of orientation biography light solar-energy light collector is provided in the embodiment of the present application, comprising: pedestal 1, Fresnel Lenses 2, lens carrier 3, horizontal rotating table 4 and directional collimator 5；Horizontal rotating table 4 is cyclic structure, and is mounted on pedestal 1；It is luxuriant and rich with fragrance Nie Er lens 2 are mounted on lens carrier 3；Lens carrier 3 is fixed on the pillar of horizontal rotating table 4 by rotary mount 6； Directional collimator includes: light pipe 8 and orientation adjustment device 2；The 5 integration connection of light pipe 8 and orientation adjustment device；Orientation adjustment device 5 be paraboloid of revolution structure；The optically focused focus of Fresnel Lenses 2 is overlapped with the focus of orientation adjustment device 5.Dress provided by the present application It sets, Fresnel Lenses 2 can be realized to the azimuthal adjustment of sunray, fix in rotation under the action of horizontal rotating table 4 Under the action of part 6, the adjustment to sunray elevation angle can be realized, by the optically focused focus and orientation adjustment of Fresnel Lenses 2 The focus of device 5 is overlapped, and is carried out optically focused and transmission to sunray by orientation adjustment device 5 and light pipe 8, is realized solar energy Light and heat collection does not need to carry out Heat transmission using oil pipeline, does not need the power device of high-power oil pump yet, solve existing Beam condensing unit need to use the oil pipeline that quantity is more, tube side is long, be easy to increase the heat loss of entire collecting system, and use High-power oil pump power device causes the technical issues of loss increase of system.
In order to make it easy to understand, referring to Fig. 1, a kind of orientation provided by the present application passes another reality of light solar-energy light collector Example is applied, is specifically included: pedestal 1, Fresnel Lenses 2, lens carrier 3, horizontal rotating table 4 and directional collimator；
Horizontal rotating table 4 is cyclic structure, and is mounted on pedestal 1；
Fresnel Lenses 2 is mounted on lens carrier 3；
Lens carrier 3 is fixed on the pillar of horizontal rotating table 4 by rotary mount 6；
Directional collimator includes: light pipe 8 and orientation adjustment device 5；
The 5 integration connection of light pipe 8 and orientation adjustment device；
Orientation adjustment device 5 is paraboloid of revolution structure；
The optically focused focus of Fresnel Lenses 2 is overlapped with the focus of orientation adjustment device 5.
Further, device further include: stepper motor；
Stepper motor is electrically connected with horizontal rotating table 4, and lens carrier is horizontally rotated and controlled for controlled level turntable 4 3 rotate around rotary mount 6.
It should be noted that stepper motor can be set to horizontal rotating table 4 and lens carrier in the embodiment of the present application 3 rotation, stepper motor are connect with horizontal rotating table 4 and rotary mount 6, and stepper motor can be built-in, stepper motor Quantity can be two, separately to horizontal rotating table 4 carry out rotation in horizontal direction and by adjusting rotation it is solid Part 6 is determined to the rotation on the progress vertical direction of lens carrier 3, is realized to the azimuth of sunlight and the tracking of elevation angle, so that Vertical is remained with sunray to the Fresnel Lenses 2 in the beam condensing unit in the embodiment of the present application.
Further, orientation adjustment device 5 and/or 8 inner surface of light pipe coat high reflection aluminium film.
It should be noted that high reflection aluminium film is a kind of one layer of aluminum metallic material of the sputter on transparent polyester film to reflect Light achievees the purpose that heat-insulated reflectance coating, in the embodiment of the present application, coats in orientation adjustment device 5 and/or 8 inner surface of light pipe High reflection aluminium film, it is possible to reduce the reflection loss of sunray reduces energy loss.
Further, device further include: fixed station；
The hollow position of horizontal rotating table 4 is arranged in fixed station；
It is provided with vertical pivot 10 on fixed station, is provided with mounting hole on vertical pivot 10, mounting hole is used to consolidate with orientation adjustment device 5 Determine support connection.
It should be noted that being provided with vertical pivot 10 on fixed station in the embodiment of the present application, peace is provided on vertical pivot 10 Hole is filled, for connecting with the hold-down support of orientation adjustment device 5.It is understood that in order to enable the beam condensing unit of the application exists It is realized when installation and accurately orients optically focused, before fixed orientation adjuster 5, need the paraboloid opening side to orientation adjustment device 5 To being adjusted, hold-down support can be one end and be fixedly connected with 5 ontology of orientation adjustment device, and the other end is embedded in mounting hole, insertion The hold-down support end of mounting hole can be spherical structure, and can be freely rotated in mounting hole, confirm orientation adjustment After the paraboloid opening direction of device 5, hold-down support is fixed on vertical pivot by casting binder in mounting hole.The application is implemented The optically focused focus of the device of example is overlapped with the focus of orientation adjustment device 5, i.e. the friendship in 6 axis of 10 axis of vertical pivot and rotary mount At point, focus opposite ground during Fresnel Lenses 2 tracks sunray is static.
Further, device further include: match heavy duty 11；It is installed on lens carrier 3 with heavy duty 11, for balancing Mirror support 2.
It should be noted that in the embodiment of the present application, being provided with heavy duty for the self gravity of balance lens carrier 3 11, it is mounted on lens carrier 3 with heavy duty 11, it is to be understood that the installation position on lens carrier 3 with heavy duty 11 Setting can be set according to actual use situation, and in the embodiment of the present application, the bottom of lens carrier 3 will be arranged in heavy duty 11 Portion.
Further, device further include: shaft 7；
Shaft 7 is mounted on pillar, and for adjusting the torque of rotary mount 6, auxiliary stepper motor driving rotation is fixed Part 6.
It should be noted that in the embodiment of the present application, to enable stepper motor preferably to drive lens carrier 3, It is also equipped with shaft 7 on the pillar of horizontal rotating table 4, the torque of rotary mount 6 is adjusted by shaft 7, avoids stepping electricity Machine drives rotary mount 6 to cause to be difficult to drive due to there are torque deficiency, so as to cause the affected risk of spotlight effect.
Further, directional collimator further include: guide-lighting pipe holder 9；
Guide-lighting pipe holder 9 is detachably connected with light pipe 8, is used to support light pipe 8.
It should be noted that, in order to realize that the long range of beam condensing unit orients optically focused, the application is real in the embodiment of the present application It applies example and is provided with gravity of the guide-lighting pipe holder 9 to balance light pipe 8 itself, it is to be understood that the setting of guide-lighting pipe holder 9 Position can be configured according to actual use situation, be not particularly limited in the embodiment of the present application.
Further, angle formed by the cross section of the normal of Fresnel Lenses 2 and orientation adjustment device 5, it is high to be equal to the sun Spend angle.
Further, the least radius of light pipe 8 isThe coke of orientation adjustment device 5 it is quasi- away from ForWherein, ΔsFor the sunlight angle of divergence, f1For Fresnel Lenses focal length, hminToo for minimum Positive elevation angle, R are Fresnel Lenses radius.
Further, the least radius of light pipe 8 is more than or equal to the maximum radius of the light-emitting window of orientation adjustment device 5.
It should be noted that sunlight can obtain one after Fresnel Lenses 2 on focal plane referring to FIG. 1 to FIG. 4, A radius is the disc of confusion of r, the radius r of disc of confusion and the focal length f of Fresnel Lenses 21Relationship be r=f1·Δs, wherein ΔsFor the sunlight angle of divergence.Due to the orientation adjustment device 5 in the embodiment of the present application be after installation is complete it is fixed, because This, for Fresnel Lenses 2 during tracking sunlight, the disc of confusion projected area on the inner surface of orientation adjustment device is big Small and shape can also occur to change accordingly.As shown in Fig. 2, line segment DC (D ' C ') is Fresnel Lenses 2, line segment NO (N ' O ') is The focal length of Fresnel Lenses 2, the straight line where line segment AB are the transversal plane (being parallel to the horizontal plane) of orientation adjustment device 5, and point O is The focus (and optically focused focus of Fresnel Lenses) of orientation adjustment device 5, the bold portion in Fig. 2 are 2 normal of Fresnel Lenses The situation vertical with the transversal plane of orientation adjustment device 5 at this point, line segment AB not only indicates disc of confusion, but also indicates that disc of confusion is orienting Projection on 5 transversal plane of adjuster；Dotted portion is that 2 normal of Fresnel Lenses and the transversal plane of orientation adjustment device 5 have Minimum angle αminSituation, at this point, disc of confusion becomes A ' B ', and it is projected as A " on the transversal plane of orientation adjustment device 5 B″。
Geometrical relationship schematic diagram as shown in Figure 2 is it is found that when 2 normal of Fresnel Lenses and 5 transversal plane of orientation adjustment device Angle when increasing, projection of the B point on 5 transversal plane of orientation adjustment device is mobile to the side by near point O, i.e., for disc of confusion Projection on 5 transversal plane of orientation adjustment device, B " are farthest point.It therefore, is guarantee beam condensing unit in annual tracking process In, the light converged via Fresnel Lenses 2 can project in parallel to the maximum extent after the reflection of oriented adjuster 5, In the design process of orientation adjustment device 5, spot radius r should meet:
r≥lB”O；
If the radius of Fresnel Lenses 2 is R, crosses point B and make vertical line BM friendship DC in point M, similarly, make auxiliary line B ' M ', then line The calculating of section B " O length are as follows:
For ▲ B " OB', from sine:
Then have:
Wherein:
lB'O=lBO=r=f1·Δs；
Therefore,
In the embodiment of the present application, the angle α and beam condensing unit of 2 normal of Fresnel Lenses and 5 transversal plane of orientation adjustment device The solar elevation h of position is equal, therefore, the minimum angle of 2 normal of Fresnel Lenses and 5 transversal plane of orientation adjustment device αminMeet:
αmin=hmin
I.e. under the premise of not considering beam condensing unit tracking error, mismachining tolerance and installation error, in orientation adjustment device 5 In actual design, spot radius r1Meet:
To make the optical efficiency of beam condensing unit reach maximum, hot spot wants the focus as much as possible for falling in orientation adjustment device Centered on transversal plane region in, then the central point of 2 hot spot of Fresnel Lenses must be overlapped with the focus of orientation adjustment device, together When, when the transversal plane and vertex (i.e. O point) of hot spot and orientation adjustment device 5 are tangent, for identical spot radius r1, orientation The coke standard of adjuster 5 can get minimum value away from P.Correspondingly, under the premise of the axial length of orientation adjustment device 5 is equal, go out Optical port size is also minimum, i.e., beam condensing unit can get maximum geometric concentrating ratio.Therefore, spot radius r1With orientation adjustment device 5 It is burnt quasi- away from P satisfaction:
Therefore, have
As given geometric concentrating ratio c, plane geometry relationship such as Fig. 3 institute of hot spot and orientation adjustment device 5 and light pipe 8 Show, in Fig. 3, it is known that A point coordinate be (0,), the effective optically focused geometric area of Fresnel Lenses 2 is π R2If the coordinate of B point is (x2, y2), light pipe least radius be r2, in conjunction with parabolic equationKnown to:
x2=r2；
Therefore, have
Therefore, in given focusing ratio c, and Fresnel Lenses radius R and focal length f1Under the premise of known, the coordinate of A point is (0,), the coordinate of B point is Orient Adjuster 5 is along shaft lengthThe maximum radius of light-emitting window isLight pipe Least radius is
When the light-emitting surface constantly side the O movement apicad of orientation adjustment device 5, until can get optically focused dress when tangent with hot spot The maximum geometric concentrating ratio set.At this point, the geometrical relationship of hot spot and orientation adjustment device 5 and light pipe 8 is as shown in figure 4, set B point seat It is designated as (x2, y2), A point coordinate be (0,), the least radius of light pipe 8 is r2, in conjunction with parabolic equationIt can Know:
x2=r2；
y2=2r1；
Therefore, have
If effective optically focused geometric area of Fresnel Lenses 2 is π R2, then maximum geometric concentrating ratio are as follows:
At this point, orientation adjustment device 5 is along shaft lengthThe maximum radius of light-emitting window isThe least radius of light pipe 8 is
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.

Claims (10)

1. a kind of orientation passes light solar-energy light collector characterized by comprising pedestal, Fresnel Lenses, lens carrier, water Flat turntable and directional collimator；
The horizontal rotating table is cyclic structure, and is mounted on the base；
The Fresnel Lenses is mounted on the lens carrier；
The lens carrier is fixed on the pillar of the horizontal rotating table by rotary mount；
The directional collimator includes: light pipe and orientation adjustment device；
The light pipe is connected with the orientation adjustment device integration；
The orientation adjustment device is paraboloid of revolution structure；
The optically focused focus of the Fresnel Lenses is overlapped with the focus of the orientation adjustment device.
2. orientation according to claim 1 passes light solar-energy light collector, which is characterized in that described device further include: step Into motor；
The stepper motor is electrically connected with the horizontal rotating table, horizontally rotates and control institute for controlling the horizontal rotating table Lens carrier is stated to rotate around the rotary mount.
3. orientation according to claim 1 passes light solar-energy light collector, which is characterized in that the orientation adjustment device and/ Or the guide-lighting pipe internal surface coats high reflection aluminium film.
4. orientation according to claim 1 passes light solar-energy light collector, which is characterized in that described device further include: Gu Determine platform；
The hollow position of the horizontal rotating table is arranged in the fixed station；
It is provided with vertical pivot on the fixed station, mounting hole is provided on the vertical pivot, the mounting hole is used to adjust with the orientation Save the hold-down support connection of device.
5. orientation according to claim 1 passes light solar-energy light collector, which is characterized in that described device further include: match Heavy duty；It is described to be installed on the lens carrier with heavy duty, for balancing the lens carrier.
6. orientation according to claim 2 passes light solar-energy light collector, which is characterized in that described device further include: turn Axis；
The shaft is mounted on the pillar, for adjusting the torque of the rotary mount, the stepper motor is assisted to drive Move the rotary mount.
7. orientation according to claim 1 passes light solar-energy light collector, which is characterized in that the directional collimator also wraps It includes: guide-lighting pipe holder；
The leaded light pipe holder is detachably connected with the light pipe, is used to support the light pipe.
8. orientation according to claim 1 passes light solar-energy light collector, which is characterized in that the method for the Fresnel Lenses Angle formed by the cross section of line and the orientation adjustment device, is equal to solar elevation.
9. orientation according to claim 1 passes light solar-energy light collector, which is characterized in that the most smaller part of the light pipe Diameter isThe coke of the orientation adjustment device it is quasi- away from forIts In, ΔsFor the sunlight angle of divergence, f1For Fresnel Lenses focal length, hminFor minimum solar elevation, R is Fresnel Lenses radius.
10. orientation according to claim 9 passes light solar-energy light collector, which is characterized in that the minimum of the light pipe Radius is more than or equal to the maximum radius of the light-emitting window of the orientation adjustment device.
CN201821413816.7U 2018-08-30 2018-08-30 A kind of orientation biography light solar-energy light collector Active CN208779736U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108954865A (en) * 2018-08-30 2018-12-07 广东工业大学 A kind of orientation biography light solar-energy light collector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108954865A (en) * 2018-08-30 2018-12-07 广东工业大学 A kind of orientation biography light solar-energy light collector
CN108954865B (en) * 2018-08-30 2024-04-19 广东工业大学 Directional light transmission solar condensing device

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