CN205792413U - A kind of liquid thermal expansion drive-type solar-tracking system - Google Patents
A kind of liquid thermal expansion drive-type solar-tracking system Download PDFInfo
- Publication number
- CN205792413U CN205792413U CN201620501088.XU CN201620501088U CN205792413U CN 205792413 U CN205792413 U CN 205792413U CN 201620501088 U CN201620501088 U CN 201620501088U CN 205792413 U CN205792413 U CN 205792413U
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- China
- Prior art keywords
- photovoltaic panel
- central support
- thermal expansion
- support posts
- tracking system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
This utility model relates to a kind of liquid thermal expansion drive-type solar-tracking system, including the photovoltaic panel being installed on base by central support posts, photovoltaic panel is movably installed in the upper end of central support posts, and be connected with solar-tracking driving means, the upper end of central support posts is provided with the bracer longitudinally rotated by the hinge longitudinally rotated, propping up bracer hinged with photovoltaic panel by photovoltaic panel rotating shaft, photovoltaic panel can be around described photovoltaic panel rotating shaft relative support block lateral rotation;Described solar-tracking driving means includes being installed on below photovoltaic panel and for the hydraulic jack driving photovoltaic panel to rotate around central support posts, utilizes expanding with heat and contract with cold of fluid to drive the hydraulic stem of hydraulic jack, and hydraulic stem drives described photovoltaic panel.This utility model utilizes the expanded by heating of fluid as driving force, make use of dexterously and is closed in hydraulic jack incompressible feature that do not gasifies, it is achieved that the biaxially tracking of sunlight so that photovoltaic panel the most just to the sun, improves the utilization rate to sunlight.
Description
Technical field
This utility model relates to solar energy photovoltaic panel technical field, particularly to the solar-tracking system of photovoltaic panel.
Background technology
At new forms of energy by today of pay attention to day by day, it it is no matter national policy or industry trend all imply that new energy field can have earth-shaking change.And in new energy field, again with photovoltaic industry the most popular with expected.Photovoltaic industry, is called for short PV (photovoltaic).The territory illumination of China 76% is abundant, and Luminous energy resource distribution is the most uniform;Compared with water power, wind-powered electricity generation, nuclear power etc., solar electrical energy generation does not has any discharge and noise, and application technology is ripe, safe and reliable;In addition to large-scale grid connection generating and off-network are applied, solar energy can also by drawing water, superconduction, accumulator, the various ways such as hydrogen manufacturing store, solar energy+accumulation of energy almost can meet the following stable energy demand of China.Solar energy be clean most future, the safe and reliable energy, developed country using the exploitation of solar energy as energy revolution main contents Long-term planning, photovoltaic industry is increasingly becoming the industry of another explosive growth after IT, microelectronic industry in the world.
Rotation due to the earth, solar photovoltaic generation system relative to some fixed location, 1 year four seasons spring, summer, autumn and winter, every light rise sunset, the lighting angle of the sun is the most all in change, the most effectively ensure solar panel can the moment just to the sun, generating efficiency just can reach optimum state.Both at home and abroad electronic sensor+motor and the design form of timing rotation device+motor are mainly for solar-tracking systematic difference at present.Owing to needs use under various complex environments, the reliability of optical sensor is not strong, and motor drives the most energy-conservation (photoelectric conversion rate of monocrystal silicon photovoltaic panel is just less than 17%), so not having solar-tracking system in large-scale application in the market.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of liquid thermal expansion drive-type solar-tracking system, uses the expanded by heating of liquid as driving force, make use of liquid not gasify incompressible feature dexterously, it is achieved that the biaxially tracking of sunlight.
In order to solve the problems referred to above, this utility model following scheme of employing:
A kind of liquid thermal expansion drive-type solar-tracking system, including the photovoltaic panel being installed on base by central support posts, photovoltaic panel is movably installed in the upper end of central support posts, and be connected with solar-tracking driving means, the upper end of central support posts is provided with the bracer longitudinally rotated by the hinge longitudinally rotated, propping up bracer hinged with photovoltaic panel by photovoltaic panel rotating shaft, photovoltaic panel can be around described photovoltaic panel rotating shaft relative support block lateral rotation;Described solar-tracking driving means includes being installed on below photovoltaic panel and for the hydraulic jack driving photovoltaic panel to rotate around central support posts, utilizes expanding with heat and contract with cold of fluid to drive the hydraulic stem of hydraulic jack, and hydraulic stem drives described photovoltaic panel.
Further improvement as technique scheme:
Described hydraulic jack includes two, is symmetrically distributed in the both lateral sides of central support posts;Described hydraulic jack is installed on the lower surface of photovoltaic panel, and its hydraulic rod end connects has cable wire, described cable wire to be connected between photovoltaic panel and base;Hydraulic stem displacement amplifying mechanism is installed between described photovoltaic panel and base, described hydraulic stem displacement amplifying mechanism includes the movable pulley being installed on hydraulic rod end and is installed on the fixed pulley on photovoltaic panel lower surface support, described cable wire is wire-wrapped between movable pulley and fixed pulley, one end of cable wire connects base, and the other end is connected with the hook of fixed pulley or movable pulley.Displacement equations multiple according to actual needs, described movable pulley and fixed pulley include multiple respectively, and carry out combination in any.
The lower surface of described photovoltaic panel is also equipped with the dark slide between hydraulic jack and central support posts;The curved shape of described dark slide, its concave side is towards the cylinder body of hydraulic jack.
For improving the wind loading rating of photovoltaic panel, the area equation of the photovoltaic panel of described central support posts both sides.
Of the present utility model have the technical effect that
This utility model utilizes the expanded by heating of liquid (fluid) as driving force, make use of dexterously and be closed in hydraulic jack incompressible feature that do not gasifies, achieve the tracking of biaxially sunlight so that photovoltaic panel the most just to the sun, improves the utilization rate to sunlight;Hydraulic stem displacement amplifying mechanism is utilized to be amplified by hydraulic stem stroke so that it is the sensitivity of sunlight to be met requirement, improves the tracking sensitivity to the sun and reliability.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the unilateral structural representation installing hydraulic jack in this utility model.
Fig. 4 is partial enlarged drawing at the A of Fig. 1.
Fig. 5 is partial enlarged drawing at the B of Fig. 2.
Fig. 6 is the front view of hydraulic stem displacement amplifying mechanism in this utility model.
Fig. 7 is the top view of Fig. 6.
Fig. 8 is the right view of Fig. 6.
In figure: 1, central support posts;2, base;3, photovoltaic panel;4, hinge;5, bracer is propped up;6, photovoltaic panel rotating shaft;7, hydraulic jack;8, hydraulic stem;9, cable wire;10, movable pulley;11, fixed pulley;12, dark slide.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.
In this utility model, definition is horizontal, with North and South direction as longitudinal direction with east-west direction.
As shown in Figure 1, Figure 2 and Figure 3, the liquid thermal expansion drive-type solar-tracking system of the present embodiment, including the photovoltaic panel 3 being installed on base 2 by central support posts 1, photovoltaic panel 3 is movably installed in the upper end of central support posts 1, and be connected with solar-tracking driving means, the upper end of central support posts 1 is provided with the bracer 5 longitudinally rotated by the hinge 4 longitudinally rotated, propping up bracer 5 hinged with photovoltaic panel 3 by photovoltaic panel rotating shaft 6, photovoltaic panel 3 can be around photovoltaic panel rotating shaft 6 relative support block 5 lateral rotation;Solar-tracking driving means includes the hydraulic jack 7 being installed on below photovoltaic panel 3, and the hydraulic stem 8 of hydraulic jack 7 utilizes the driving photovoltaic panel 3 of expanding with heat and contract with cold of fluid to rotate around central support posts 1.Particularly as follows: the lower surface of photovoltaic panel 3 installs hydraulic jack 7, hydraulic stem 8 end of hydraulic jack 7 connects has cable wire 9, cable wire 9 to be connected between photovoltaic panel 3 and base 2.As shown in Figure 1, hydraulic jack 7 includes two, it is symmetrically distributed in the both lateral sides of central support posts 1, i.e. east-west direction respectively sets one, for balancing the impact that between the four seasons and a day, temperature Change is brought: when morning, the sun was in the east, hydraulic jack in the east is by illumination, the hydraulic jack in west is not by illumination, thus expand after in hydraulic jack in the east, hydraulic oil is heated, central support posts 1 photovoltaic panel 3 in the east is faced the sun around photovoltaic panel rotating shaft 6 towards rotation in the east, in like manner, when afternoon, the sun was in west, the hydraulic jack in west rotates drop-down for the photovoltaic panel 3 in west to west around photovoltaic panel rotating shaft 6, it is made to face the sun in west;Thus, the hydraulic jack that east-west direction is arranged, it is ensured that within a day, photovoltaic panel 3 moment follows the tracks of the sun, it is ensured that maximum sunlight exposure rate.And due to the impact of the temperature temperature difference in throughout the year, the difference of the four seasons degrees of expansion of hydraulic oil in hydraulic jack, hydraulic stem is caused to stretch out the average length change of hydraulic jack, photovoltaic panel 3 is driven to carry out North and South direction rotation around hinge 4, realize the regulation at the angle of inclination of the North and South direction (longitudinally) to photovoltaic panel 3, i.e. realize the location of North and South direction.It is provided with in the rotating shaft of the hinge 4 that can longitudinally rotate in torsion spring or photovoltaic panel 3 and back-moving spring is installed, in order to the longitudinal direction of photovoltaic panel 3 resets.
As shown in Figure 4, Figure 5, hydraulic stem displacement amplifying mechanism is installed between photovoltaic panel 3 and base 2, hydraulic stem displacement amplifying mechanism includes the movable pulley 10 being installed on hydraulic stem 8 end and is installed on the fixed pulley 11 on photovoltaic panel 3 lower surface support, cable wire 9 is wire-wrapped between movable pulley 10 and fixed pulley 11, one end of cable wire 9 connects base 2, and the other end is connected with the hook of fixed pulley 11 or movable pulley 10.Hydraulic jack 7 is irradiated by sunlight, the expansion of liquid (fluid) in oil cylinder is utilized to make hydraulic stem 8 action, recycling hydraulic stem displacement amplifying mechanism amplifies and is amplified by hydraulic stem stroke, make it that sensitivity of sunlight is met requirement, it is connected in photovoltaic panel by hydraulic stem 8, makes photovoltaic panel action.
As Figure 6-Figure 8, movable pulley 10 and fixed pulley 11 include multiple respectively, multiple movable pulleys 10 and fixed pulley 11 with the use of, regulation stroke amplification and direction.As Figure 4-Figure 6, this utility model 2 movable pulleys 10 of design and 2 fixed pulleys 11, movable pulley 10 is installed on the end of hydraulic stem 8, and fixed pulley 11 is installed on the support of photovoltaic panel 3 lower surface, solderless wrapped connection cable wire 9 between movable pulley 10 and fixed pulley 11, by the stroke quadruplication of hydraulic stem 8.
As shown in Figure 4, the lower surface of photovoltaic panel 3 is also equipped with the dark slide 12 between hydraulic jack 7 and central support posts 1, and the curved shape of dark slide 12, its concave side is towards the cylinder body of hydraulic jack 7.The effect of dark slide 12 is: can prevent the morning hydraulic jack 7 in west from being heated by direct sunlight, and hydraulic jack 7 in the east is heated post-tensioning running wire 9, photovoltaic panel 3 is tilted eastwards just to the sun, it is ensured that photovoltaic panel 3 is irradiated by sufficient sunlight;Can prevent afternoon hydraulic jack 7 in the east from being heated by direct sunlight, the hydraulic jack 7 in west is heated post-tensioning running wire 9, and photovoltaic panel 3 tilts just to the sun to west, it is ensured that photovoltaic panel 3 is irradiated by sufficient sunlight.Dark slide 12 is arranged to arc shape, on the cylinder body being radiated at hydraulic jack 7 after solar light focusing, improves the firing rate of fluid in hydraulic jack 7, improves the hydraulic jack 7 sensitivity to sunlight.
In this utility model, central support posts 1 is positioned at photovoltaic panel 3 center, and due to strong point both sides area equation, if can cancel out each other stress in wind-engaging strong point both sides the most in the same direction, then wind loading rating is greatly reinforced.
Embodiment provided above is better embodiment of the present utility model, only it is used for convenient explanation this utility model, not this utility model is made any pro forma restriction, any art has usually intellectual, if in the range of without departing from the carried technical characteristic of this utility model, utilize the Equivalent embodiments that the done local of this utility model disclosed technology content is changed or modified, and without departing from technical characteristic content of the present utility model, all still fall within the range of this utility model technical characteristic.
Claims (8)
1. a liquid thermal expansion drive-type solar-tracking system, is installed on base (2) including by central support posts (1)
On photovoltaic panel (3), photovoltaic panel (3) is movably installed in the upper end of central support posts (1), and drives dress with solar-tracking
Put connection, it is characterised in that: the upper end of central support posts (1) is provided with by the hinge (4) that longitudinally rotates and to longitudinally rotate
Propping up bracer (5), a bracer (5) is hinged with photovoltaic panel (3) by photovoltaic panel rotating shaft (6), and photovoltaic panel (3) can be around described
Photovoltaic panel rotating shaft (6) relative support block (5) lateral rotation;Described solar-tracking driving means includes being installed on photovoltaic panel (3)
Lower section is also used for the hydraulic jack (7) driving photovoltaic panel (3) to rotate around central support posts (1), and the flatulence of heat type utilizing fluid is cold
Contracting drives the hydraulic stem (8) of hydraulic jack (7), and hydraulic stem (8) drives described photovoltaic panel (3).
Liquid thermal expansion drive-type solar-tracking system the most according to claim 1, it is characterised in that: described hydraulic oil
Cylinder (7) includes two, is symmetrically distributed in the both lateral sides of central support posts (1).
Liquid thermal expansion drive-type solar-tracking system the most according to claim 1 and 2, it is characterised in that: described liquid
Compressing cylinder (7) is installed on the lower surface of photovoltaic panel (3), and its hydraulic stem (8) end connects cable wire (9), described cable wire
(9) it is connected between photovoltaic panel (3) and base (2).
Liquid thermal expansion drive-type solar-tracking system the most according to claim 3, it is characterised in that: described photovoltaic panel
(3) and be provided with hydraulic stem displacement amplifying mechanism between base (2), described hydraulic stem displacement amplifying mechanism includes being installed on liquid
The movable pulley (10) of depression bar (8) end and the fixed pulley (11) being installed on photovoltaic panel (3) lower surface support, described steel
Rope (9) is wire-wrapped between movable pulley (10) and fixed pulley (11), and one end of cable wire (9) connects base (2), the other end
It is connected with the hook of fixed pulley (11) or movable pulley (10).
Liquid thermal expansion drive-type solar-tracking system the most according to claim 4, it is characterised in that: described movable pulley
And fixed pulley (11) includes multiple respectively (10).
Liquid thermal expansion drive-type solar-tracking system the most according to claim 1, it is characterised in that: described photovoltaic panel
(3) lower surface is also equipped with the dark slide (12) being positioned between hydraulic jack (7) and central support posts (1).
Liquid thermal expansion drive-type solar-tracking system the most according to claim 6, it is characterised in that: described dark slide
(12) curved shape, its concave side is towards the cylinder body of hydraulic jack (7).
Liquid thermal expansion drive-type solar-tracking system the most according to claim 1 and 2, it is characterised in that: in described
The area equation of the photovoltaic panel (3) of heart support column (1) both sides.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620501088.XU CN205792413U (en) | 2016-05-30 | 2016-05-30 | A kind of liquid thermal expansion drive-type solar-tracking system |
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CN201620501088.XU CN205792413U (en) | 2016-05-30 | 2016-05-30 | A kind of liquid thermal expansion drive-type solar-tracking system |
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CN205792413U true CN205792413U (en) | 2016-12-07 |
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CN201620501088.XU Expired - Fee Related CN205792413U (en) | 2016-05-30 | 2016-05-30 | A kind of liquid thermal expansion drive-type solar-tracking system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108614585A (en) * | 2018-05-31 | 2018-10-02 | 南京航空航天大学 | A kind of new type auto mechanism of following spot based on marmem |
CN109067340A (en) * | 2018-09-04 | 2018-12-21 | 朱小菊 | Tracing type photovoltaic plate system |
-
2016
- 2016-05-30 CN CN201620501088.XU patent/CN205792413U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108614585A (en) * | 2018-05-31 | 2018-10-02 | 南京航空航天大学 | A kind of new type auto mechanism of following spot based on marmem |
CN108614585B (en) * | 2018-05-31 | 2024-02-13 | 南京航空航天大学 | Novel automatic light tracing mechanism based on shape memory alloy |
CN109067340A (en) * | 2018-09-04 | 2018-12-21 | 朱小菊 | Tracing type photovoltaic plate system |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170530 |