CN104753454A - Photovoltaic single-shaft rotating follow spot device - Google Patents
Photovoltaic single-shaft rotating follow spot device Download PDFInfo
- Publication number
- CN104753454A CN104753454A CN201510108723.8A CN201510108723A CN104753454A CN 104753454 A CN104753454 A CN 104753454A CN 201510108723 A CN201510108723 A CN 201510108723A CN 104753454 A CN104753454 A CN 104753454A
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- Prior art keywords
- main shaft
- photovoltaic
- shaft
- shadow shield
- base plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 6
- 238000013016 damping Methods 0.000 claims description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 abstract 1
- 241001424688 Enceliopsis Species 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a photovoltaic follow spot device, and in particular relates to a photovoltaic single-shaft rotating follow spot device. The device comprises a main shaft and a photovoltaic board, wherein the main shaft is transversely arranged in the middle part of the photovoltaic board; a spot sensing box is arranged on the spot surface of photovoltaic board through the main shaft; a controller is arranged on the back surface of the photovoltaic board; one end of the main shaft is connected with a plurality of front brackets through a front bearing block, and while the other end of the main shaft is connected with a rear bearing block, wherein the rear bearing block is connected with a plurality of rear brackets through an adjusting plate; the rear bearing block is also connected with the output end of a speed reducer through an universal joint; the input end of the speed reducer is connected with the output end of a driving device; the spot sensing box comprises a light filter, a shading board and a bottom plate, wherein the shading board which is vertical to the bottom plate and free of spot transmission is arranged in the center of the bottom plate; spot sensitive resistors are arranged at two sides of the shading board; the light filter is semispherical; the shading board and the spot sensitive resistors are arranged in the light filter. The device has the characteristics of being simple in structure, free of additional sensor, small in mechanical vibration, and large in follow spot angles.
Description
Technical field
The present invention relates to a kind of photovoltaic light-chasing device, particularly relate to a kind of photovoltaic single-shaft-rotation light-chasing device.
Background technology
Oblique single shaft light-chasing device is subject to people's attention with the many advantages of himself, and even to this day, this device still fails really to come into the public visual field.Trace it to its cause, have following some:
Existing single-shaft-rotation light-chasing device, installation site reserved by the limit switch that its support the right and left is necessary for machinery or electronics, limits the anglec of rotation of main shaft.Different dimensions, season, the weather solar irradiation time, duration all difference even cannot be determined, fixed angle support does not possess general adaptability.Moreover, once limit switch is malfunctioning or fault, support itself will be damaged.
Main spindle's self-locking is completed by electronic brake, poor effect.Current programme is many to be built in brake in motor, but main shaft finally rock gap by: motor, decelerator, jockey etc. jointly determine.Only just solve a very little part to motor braking, consequently mechanical part is there being wow and flutter under wind environment serious, causes service life shorter.
Have ignored elevation angle manual adjustments function.
Summary of the invention
Technical problem to be solved by this invention is to provide the photovoltaic single-shaft-rotation light-chasing device that a kind of structure is simple, mechanical shaking is little, angle of following spot is large.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of photovoltaic single-shaft-rotation light-chasing device, it comprises main shaft and photovoltaic panel, described main shaft is horizontally installed on the middle part of described photovoltaic panel, described main shaft is provided with photosensitive cartridge at the sensitive surface of described photovoltaic panel, described main shaft is provided with controller at the shady face of described photovoltaic panel, described main shaft one end is connected with multiple fore-stock by front-end bearing pedestal, the other end of described main shaft connects rear bearing block, described rear bearing block is connected with multiple described after-poppet by adjustable plate, described rear bearing block is also connected with the output of decelerator by universal joint, the output of the input connecting drive device of described decelerator.
The invention has the beneficial effects as follows: described main shaft is provided with photosensitive cartridge at the sensitive surface of described photovoltaic panel, the position of the relative sunray of photovoltaic panel is judged by photosensitive cartridge, thus by drive unit driving main shaft, and drive photovoltaic panel to rotate by main shaft, complete the action of following spot of photovoltaic panel.The output of described drive unit is connected to universal joint by decelerator, can be the power of the slow-speed of revolution, high-torque by the power conversion of the high rotating speed of the output of drive unit, little moment, make the rotation of photovoltaic panel more stable, accurate.In addition, the present invention does not arrange limit switch on the track of photovoltaic panel rotation, in the present invention, photovoltaic panel can rotate around main shaft 360 under the driving of described drive unit, makes this single shaft light-chasing device to obtain larger light angle like this, improves the utilance of solar energy.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described photosensitive cartridge comprises filter, shadow shield and base plate, the center of described base plate is provided with vertical with described base plate and lighttight shadow shield, described shadow shield both sides are respectively provided with a photo resistance, described filter is hemisphere, cover on described base plate, described shadow shield and described photo resistance are all positioned at described filter.
Adopt the beneficial effect of above-mentioned further scheme to be, photosensitive cartridge can gather the relative position of photovoltaic panel and sunray by shadow shield and two photo resistance, more simplifies with existing photosensitive device structure compared.Simultaneously, photosensitive cartridge does not detect angle concrete between photovoltaic panel and sunray, but by way of contrast, namely the size prior art means of shadow shield both sides photo resistance are compared by circuit, judge the relative position of photovoltaic panel and sunray, namely when the photo resistance resistance of side is greater than the resistance of opposite side, show that the photo resistance of this side is among the shade of shadow shield, then need to drive photovoltaic panel to rotate, until both sides photo resistance resistance is almost equal to the opposite side of shadow shield.Hemispheric filter can prevent from falling to having the larger foreign material of volume to keep the sun off above filter.In addition, because circuit of following spot make use of bridge balance drive principle, if filter falls to having a small amount of dust or fine particle, sensitivity (impact is little).
Further, described base plate is also provided with vertical with described base plate and lighttight shadow shield for subsequent use, described shadow shield for subsequent use is vertical with described shadow shield, and the both sides of described shadow shield for subsequent use are respectively provided with a photo resistance for subsequent use.
The beneficial effect of above-mentioned further scheme is adopted to be, for scheme in future is excessive to biaxial system, provide necessary compatibility.Orthogonal two shadow shields are set, and a pair photo resistance are set at the monosymmetric of every block shadow shield, like this can by wherein a pair in order to monitor the relative angle that photovoltaic panel rotates around the spindle, and another is to the angle in order to monitor the relative ground of main shaft.(this programme two photo resistance position for subsequent use retains)
Further, described main shaft is also provided with the adjustable damping device of damping coefficient.
The beneficial effect of above-mentioned further scheme is adopted to be, the damping force that described damping device provides directly acts on main shaft, because motor, decelerator, universal joint have free clearance, these gaps are superimposed and finally cause the control of main shaft free clearance undesirable, and As time goes on such as several years post gaps also can be increasing; During electric motor starting, due to the existence of decelerator, whole rotary system is almost Light Condition concerning motor.In addition of short duration several seconds of start-stop time interval, motor is in fact accelerate for the inertia of main shaft, deceleration-operation.Often operate once, main shaft free clearance all will be impacted once, finally accelerates the expansion of free clearance.Having is exactly that photovoltaic panel may meet wind again, and when blowing, the power stage of motor is discontinuous often, can cause again drive circuit and the dual impact of support.By damping device damping adjusting coefficient, main axis resistance and motor torsion can be made to reach a kind of relative poised state, solve free clearance problem very well.
Further, the angle between two objects connecting of described rear bearing block is adjustable.
Adopt the beneficial effect of above-mentioned further scheme to be that described front-end bearing pedestal can make described main shaft can be the center of circle with front-end bearing pedestal, take main shaft as the radius manual adjustments main shaft elevation angle, make photovoltaic panel in the present invention obtain larger light-receiving area in different seasons.
Further, described adjustable plate is provided with multiple adjustment hole, and multiple described after-poppet can regulate the elevation angle of described main shaft by the described adjustment hole of difference be connected on described adjustable plate.
The beneficial effect of above-mentioned further scheme is adopted to be, described main shaft is arranged along north-south, photovoltaic panel East and West direction rotates, because height of the sun at noon among a year there will be some changes, in order to obtain better solar incident angle degree, absorb more luminous energy, devise adjustable plate, by after-poppet is connected to adjustment holes different on adjustable plate, the elevation angle of main shaft and whole photovoltaic panel can be changed, thus ensureing to obtain maximum solar energy, estimate according to measurement data, within 1 year, only need adjustment 4-8 time.
Further, described decelerator is worm-gear speed reducer.
Adopt the beneficial effect of above-mentioned further scheme to be that the main feature of worm-gear speed reducer has auto-lock function, larger speed reducing ratio can be had, power shaft and output shaft not on the same axis, also not at grade.When power shaft power disappears, output shaft current location automatically locks.By means of this characteristic, this invention simplifies tabula rasa locking position mechanism, make it more practical.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is dorsal view of the present invention;
Fig. 3 is the Local map at adjustable plate place of the present invention;
Fig. 4 is the positive diagram of photosensitive cartridge of the present invention;
Fig. 5 is the vertical view in the filter of the first execution mode of photosensitive cartridge of the present invention;
Fig. 6 is the vertical view in the filter of photosensitive cartridge the second execution mode of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, main shaft, 2, photovoltaic panel, 3, photosensitive cartridge, 31, filter, 32, photo resistance, 33, shadow shield, 34, photo resistance for subsequent use, 35, shadow shield for subsequent use, 36, base plate, 4, controller, 51, front-end bearing pedestal, 52, rear bearing block, 61, fore-stock, 62, after-poppet, 63, adjustable plate, 64, adjustment hole, 7, drive unit, 8, decelerator, 9, universal joint, 10, damping device, L, base.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of photovoltaic single-shaft-rotation light-chasing device, it comprises main shaft 1 and photovoltaic panel 2, described main shaft 1 is horizontally installed on the middle part of described photovoltaic panel 2, described main shaft 1 is provided with photosensitive cartridge 3 at the sensitive surface of described photovoltaic panel 2, described main shaft 1 is provided with controller 4 at the shady face of described photovoltaic panel 2, described main shaft 1 one end is connected with multiple fore-stock 61 by front-end bearing pedestal 51, the other end of described main shaft 1 connects rear bearing block 52, described rear bearing block 52 is connected with multiple described after-poppet 62 by adjustable plate 63, described rear bearing block 52 is also connected with the output of decelerator 8 by universal joint 9, the output of the input connecting drive device 7 of described decelerator 8.
Described photosensitive cartridge 3 comprises filter 31, shadow shield 33 and base plate 36, the center of described base plate 36 is provided with vertical with described base plate 36 and lighttight shadow shield 33, described shadow shield 33 both sides are respectively provided with a photo resistance 32, described filter 31 is in hemisphere, cover on described base plate 36, described shadow shield 33 and described photo resistance 32 are all positioned at described filter 31.
Described base plate 36 is also provided with vertical with described base plate 36 and lighttight shadow shield for subsequent use 35, described shadow shield 35 for subsequent use is vertical with described shadow shield 33, and the both sides of described shadow shield 35 for subsequent use are respectively provided with a photo resistance 34 for subsequent use.
Described main shaft 1 is also provided with the adjustable damping device of damping coefficient 10, described damping device 10 can be arranged between described rear bearing block 52 and described photovoltaic panel 2.
Angle between two objects that described rear bearing block 52 connects is adjustable.
Described adjustable plate 63 is provided with multiple adjustment hole 64, and multiple described after-poppet 62 can regulate the elevation angle of described main shaft 1 by the described adjustment hole of difference 64 be connected on described adjustable plate 63.
Described decelerator 8 is worm-gear speed reducers.
The course of work of the present invention: first described multiple fore-stock 61 and multiple after-poppet 62 are fixed on ground or supporting surface, select suitable adjustment hole 64 according to the sunshine condition of there and then, and described multiple after-poppet 62 is connected to adjustment hole 64 corresponding on adjustable plate 63.Before work, photovoltaic panel 2 is arranged on initial position, described initial position refers to the position when the base L of photovoltaic panel 2 is parallel to the ground residing for described photovoltaic panel 2.Such setting is that it is sunny whenever weather enters in order to ensure among one day, and described photosensitive cartridge 3 can receive sunray signal.
When solar irradiation is mapped in described photovoltaic panel 2, photovoltaic panel 2 itself starts generating, and institute's energy that generate electricity is a part of for electric component of the present invention.When described photosensitive cartridge 3 receives sunray signal, judged the position of the relative sunray of photovoltaic panel by the resistance size of two photo resistance 32 contrasting shadow shield 33 both sides in described photosensitive cartridge 2, and by this information feed back to controller 4.Controller 4 carrys out driving main shaft 1 by accessory drive 7, drives photovoltaic panel 2 to rotate simultaneously, thus makes photovoltaic panel 2 just to sunray.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a photovoltaic single-shaft-rotation light-chasing device, it is characterized in that, it comprises main shaft (1) and photovoltaic panel (2), described main shaft (1) is horizontally installed on the middle part of described photovoltaic panel (2), described main shaft (1) is provided with photosensitive cartridge (3) at the sensitive surface of described photovoltaic panel (2), described main shaft (1) is provided with controller (4) at the shady face of described photovoltaic panel (2), described main shaft (1) one end is connected with multiple fore-stock (61) by front-end bearing pedestal (51), the other end of described main shaft (1) connects rear bearing block (52), described rear bearing block (52) is connected with multiple described after-poppet (62) by adjustable plate (63), described rear bearing block (52) is also connected with the output of decelerator (8) by universal joint (9), the output of the input connecting drive device (7) of described decelerator (8).
2. a kind of photovoltaic single-shaft-rotation light-chasing device according to claim 1, it is characterized in that, described photosensitive cartridge (3) comprises filter (31), shadow shield (33) and base plate (36), the center of described base plate (36) is provided with and lighttight shadow shield (33) vertical with described base plate (36), described shadow shield (33) both sides are respectively provided with a photo resistance (32), described filter (31) is in hemisphere, cover on described base plate (36), described shadow shield (33) and described photo resistance (32) are all positioned at described filter (31).
3. a kind of photovoltaic single-shaft-rotation light-chasing device according to claim 2, it is characterized in that, described base plate (36) is also provided with vertical with described base plate (36) and lighttight shadow shield for subsequent use (35), described shadow shield for subsequent use (35) is vertical with described shadow shield (33), and the both sides of described shadow shield for subsequent use (35) are respectively provided with a photo resistance for subsequent use (34).
4. a kind of photovoltaic single-shaft-rotation light-chasing device according to any one of claims 1 to 3, is characterized in that, described main shaft (1) is also provided with the adjustable damping device of damping coefficient (10).
5. a kind of photovoltaic single-shaft-rotation light-chasing device according to any one of claims 1 to 3, is characterized in that, the angle between two objects that described front-end bearing pedestal (51) connects is adjustable.
6. a kind of photovoltaic single-shaft-rotation light-chasing device according to any one of claims 1 to 3, it is characterized in that, described adjustable plate (63) is provided with multiple adjustment hole (64), and multiple described after-poppet (62) can regulate the elevation angle of described main shaft (1) by the described adjustment hole of difference (64) be connected on described adjustable plate (63).
7. a kind of photovoltaic single-shaft-rotation light-chasing device according to any one of claims 1 to 3, it is characterized in that, described decelerator (8) is worm-gear speed reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108723.8A CN104753454A (en) | 2015-03-12 | 2015-03-12 | Photovoltaic single-shaft rotating follow spot device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108723.8A CN104753454A (en) | 2015-03-12 | 2015-03-12 | Photovoltaic single-shaft rotating follow spot device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104753454A true CN104753454A (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510108723.8A Pending CN104753454A (en) | 2015-03-12 | 2015-03-12 | Photovoltaic single-shaft rotating follow spot device |
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| Country | Link |
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| CN (1) | CN104753454A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978456A (en) * | 2016-05-11 | 2016-09-28 | 江苏峰谷源储能技术研究院有限公司 | Rotatable solar panel support |
| CN107664461A (en) * | 2017-09-28 | 2018-02-06 | 河南城建学院 | Air-conditioner outdoor unit purging system |
| CN111327256A (en) * | 2020-04-01 | 2020-06-23 | 贵州电网有限责任公司 | Photovoltaic panel adjusting device according to seasonal changes |
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| CN204423175U (en) * | 2015-03-12 | 2015-06-24 | 张涛 | A kind of photovoltaic single-shaft-rotation light-chasing device |
-
2015
- 2015-03-12 CN CN201510108723.8A patent/CN104753454A/en active Pending
Patent Citations (8)
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| CN201289609Y (en) * | 2008-10-28 | 2009-08-12 | 芯锐电(厦门)光电科技有限公司 | Locating device for tracing light source |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105978456A (en) * | 2016-05-11 | 2016-09-28 | 江苏峰谷源储能技术研究院有限公司 | Rotatable solar panel support |
| CN107664461A (en) * | 2017-09-28 | 2018-02-06 | 河南城建学院 | Air-conditioner outdoor unit purging system |
| CN111327256A (en) * | 2020-04-01 | 2020-06-23 | 贵州电网有限责任公司 | Photovoltaic panel adjusting device according to seasonal changes |
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