CN203025567U - Hydraulic driving-based active sun chasing system for photovoltaic power generation - Google Patents
Hydraulic driving-based active sun chasing system for photovoltaic power generation Download PDFInfo
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- CN203025567U CN203025567U CN2012206639477U CN201220663947U CN203025567U CN 203025567 U CN203025567 U CN 203025567U CN 2012206639477 U CN2012206639477 U CN 2012206639477U CN 201220663947 U CN201220663947 U CN 201220663947U CN 203025567 U CN203025567 U CN 203025567U
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- gear
- liquid level
- system based
- tracking system
- active sun
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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
The utility model discloses a hydraulic driving-based active sun chasing system for photovoltaic power generation. The sun chasing system comprises a solar photovoltaic component, a bracket, a transmission mechanism, two hydraulic boxes and a control system, wherein the bracket comprises a platform supporting frame, a lower supporting pillar and an upper supporting pillar movably connected with the platform supporting frame; the transmission mechanism comprises a driven gear, a driving gear, a big pulley, at least two small pulleys, a first rotating shaft, a second rotating shaft and a rope winding through the small pulleys and the big pulley; the driven gear is mounted on the first rotating shaft; the driving gear and the big pulley are arranged on the second rotating shaft; the driving gear is meshed with the driven gear; the control system comprises a liquid sensor in each liquid box, a bidirectional valve controller for receiving output signals of the liquid sensors and a bidirectional controller valve for receiving the output signal of the bidirectional valve controller; and the two liquid boxes are connected through a belt pipe with the bidirectional controller valve. The sun chasing system disclosed by the utility model is simple in structure, low in cost, and low in mechanical abrasion.
Description
Technical field
The utility model relates to a kind of active sun tracking system based on the liquid level driving for photovoltaic generation, belongs to application of solar.
Background technology
1994, the single-axis solar tracking means was adopted in the sun power kitchen at first, is put into use at Spruce from Northern Germany.Meanwhile, physics Institute of Czech academy of sciences changes and take the marmem regulator as the basis, has realized single shaft passive type solar tracking by solar temperature.1997, U.S. Blackace researched and developed the single-axis solar tracker of east-west direction from motion tracking, but North and South direction need to be used manual adjustments, and the hot joining of receiver is subjected to efficient to improve 15%.California, USA has been implemented in 1998 at solar panel, alunite ear lens to be installed, be used for concentrating sunlight, and successfully developed ATM two axis trackers, and thus one, can rate further be promoted and make the solar panel of fritter collect more energy so that hot joining produces effects.At random, Joel.H.Goodman has developed a kind of active sun with major diameter track can the orientation tracking means, this device can be by the major diameter track active sun can the orientation tracking means, this device can be followed the tracks of the sun from the east to the west by the major diameter panoramic table, thereby makes the rate of obtaining of energy in summer be improved.The new type solar energy tracking means was pushed out in Arizona, USA university in February, 2002, and this kind device adopts the aluminum section frame shelf structure, and compact conformation is lightweight, utilized to control motor and complete tracking, had effectively widened the application of tracker.
In recent years, domestic also have many experts and scholar also to carry out successively the further investigation of this respect.In prior art, use the photovoltaic power generation apparatus of automatic sun tracking device, improved the irradiating angle of sunshine with respect to photovoltaic module, effectively improved solar energy utilization ratio, obtained generally acknowledging of photovoltaic those skilled in the art.Wherein, especially take the diaxon tracking solar photovoltaic generator automatically as good, it can regulate the position angle from motion tracking can regulate the elevation angle from motion tracking again, make sunshine all the time vertical irradiation at solar collector, realized the sun power optimum utilization.Up to the present, domestic two-axis tracking device still is in theoretical research stage, not yet comes into operation.Though the effect of two-axis tracking device is good, but its complex structure, installation cost is high, mechanical wear is large.
The utility model content
For the deficiency that prior art exists, the utility model purpose be to provide a kind of simple in structure, cost is low, mechanical wear is little is used for the active sun tracking system that drives based on liquid level of photovoltaic generation, can effectively realize automatic tracking function.
To achieve these goals, the utility model is to realize by the following technical solutions:
The utility model comprises solar photovoltaic assembly, support, gear train, two fluid boxes and control system; Support comprises the platform bracing frame for installing solar photovoltaic component, the upper support column that is arranged on ground lower support post and is flexibly connected with the platform bracing frame; Gear train comprises the follower gear, the driving gear that are arranged on the upper support column lower end, is positioned at the large pulley of driving gear below, at least two small sheaves, be arranged on the first rotation axis and the second rotation axis on the lower support post and walk around small sheave and the rope of large pulley; Described small sheave is arranged on the lower support post; Described follower gear is arranged on the first rotation axis, and described driving gear and large pulley are arranged on the second rotation axis, described driving gear and follower gear interlock; The two ends of rope are fixed on two fluid boxes.For preventing rope slipping, rope certain can be fixed on large pulley, thereby guaranteeing that large pulley can be synchronizeed with rope rotates.
Control system comprises the two-way valve controller of the liquid sensor that is arranged on each fluid box inside, receiving liquid body sensor output signal and receives the two-way controllable valve of two-way valve controller output signal.The rotational angle that in the two-way valve controller, the set basis time provides.
Be connected by the leather hose with two-way controllable valve between two fluid boxes.
Two liquid sensors are used for measuring liquid capacity in fluid box, detect the liquid level difference between two fluid boxes; Two-way controllable valve is used for controlling the flow direction and the flow of liquid, and making between two fluid boxes has liquid level difference, thereby produces gravitational difference, and then drives the large pulley rotation.
According to the rotational angle that provides according to the time of setting in the two-way valve controller, the two-way valve controller is controlled the two-way controllable valve action, make two fluid boxes produce gravitational difference, drive large pulley and then turn over the respective party parallactic angle by driving gear, follower gear drive solar photovoltaic assembly.
Above-mentioned platform bracing frame is hinged by pivot pin and upper support column.
Above-mentioned the first rotation axis and the second rotation axis all are arranged on the lower support post by a plurality of rolling bearings.Rotate with convenient.
Above-mentioned rolling bearing is provided with two, is respectively rolling bearing and lower rolling bearing.
Compressing tablet is equipped with in the top of above-mentioned upper rolling bearing.Be used for preventing that rolling bearing from ejecting.
Above-mentioned lower support post by the structure installation of embedded parts on the ground.
The number of gears of above-mentioned driving gear is the twice of the number of gears of follower gear.
What above-mentioned two-way controllable valve specifically adopted is water pump.
The beneficial effects of the utility model are as follows:
1, the utility model device has replaced the Electric Machine Control mode with the gravitational difference formula control mode of pulley driving, thereby, greatly simplified system architecture, reduced cost, improved cost performance.
2, the utility model has reduced the mechanical wear that the Electric Machine Control gear train produces.
Description of drawings
Fig. 1 is side view of the present utility model;
Fig. 2 is the front elevation of control section in Fig. 1;
Fig. 3 is the block scheme of Fig. 1 control procedure;
Fig. 4 is the control flow chart of two-way valve controller in Fig. 1.
In Fig. 1, each sequence number is respectively: 1, solar photovoltaic assembly, 2, the platform bracing frame, 3, pivot pin, 4, large pulley, 5, small sheave, 6, driving gear, 7, follower gear, 8, fluid box, 9, the structure built-in fitting, 10, upper support column, 11, the lower support post, 12, rolling bearing, 13-1, the first rotation axis, 13-2, the second rotation axis, 14, two-way controllable valve, 15, liquid sensor, 16, the two-way valve controller, 17, compressing tablet, 18, leather hose, 19, rope.
In Fig. 2, each sequence number is respectively: 4, large pulley, 6, driving gear, 8, fluid box, 9, the structure built-in fitting, 11, lower support post, 12, rolling bearing, 14, two-way controllable valve, 15, liquid sensor, 16, two-way valve controller, 17, compressing tablet, 18, leather hose, 19, rope.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model comprises solar photovoltaic assembly 1, support, gear train, two fluid boxes, control system and structure built-in fittings 9.
The platform bracing frame 2 that solar photovoltaic assembly 1 is installed is by hinged upper support column 10 upper ends of being installed on of pivot pin 3.Lower support post 11 is installed on the ground by structure built-in fitting 9.
Upper support column 10 is arranged on the upper end of follower gear 7, and follower gear 7 is arranged on the first rotation axis 13-1.Driving gear 6 is arranged on the second common axis 13-2 with large pulley 4, and large pulley 4 is below driving gear 6.Driving gear 6 and follower gear 7 interlocks.
The first common axis 13-1 and the second common axis 13-2 lower end all are equipped with two rolling bearings 12, rotate with convenient, are respectively rolling bearing and lower rolling bearing, and compressing tablet 17 is housed on upper rolling bearing, are used for preventing that rolling bearing from ejecting.
Two fluid boxes 8 are walked around respectively two small sheaves 5 and large pulley 4 by a rope 19, and the hole that rope 19 is walked around on large pulley 4 is fixed.
Data in conjunction with liquid sensor 15, when in two-way valve controller 16, setting value drives pump working, have gravitational difference between two fluid boxes 8, drive large pulley 4 rotations by small sheave 5, the second common axis 13-2 also can rotate thereupon, thereby drives driving gear 6 rotations, and then drive follower gear 7 rotations, follower gear 7 upper ends drive upper support column 10 and rotate, and are installed on platform bracing frame 2 and photovoltaic module 1 rotation of upper support column 10 upper ends, and this just realizes in the azimuthal tracking of thing.
During the device initial conditions, liquid level difference is zero, begins to rotate after producing liquid level difference, eliminates at last liquid level difference and is still in certain position, thereby realize resetting, and so forth.
Referring to Fig. 4, in the present embodiment, suppose rotational time be 6 of mornings to point in evenings six, control 12 ° of rotations per half an hour, after at 6 in evening, original state is got back in-290 ° of rotations.Solar photovoltaic assembly 1 erection space is 41m
2, Bearings tracking angular range ± 145 °, the separate unit peak power is 4KW.In order to realize that the Bearings tracking angular range is ± 145 °, the anglec of rotation of follower gear 7 is ± 145 °, and driving gear 6 can be realized the rotation of 150 °, thereby the number of gears of driving gear 6 is that the twice of the number of gears of follower gear 7 gets final product as can be known.Fluid box 8 volumes are 1m3.The utility model is suitable for all types of solar components, compared with prior art, greatly simplifies the structure, and has reduced cost, has improved cost performance, and installs more conveniently, can adapt to complicated harsh outdoor environment for use.
Above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. the active sun tracking system based on the liquid level driving that is used for photovoltaic generation, is characterized in that, comprises solar photovoltaic assembly (1), support, gear train, two fluid boxes (8) and control system;
Described support comprises the platform bracing frame (2) for installing solar photovoltaic component (1), the upper support column (10) that is arranged on ground lower support post (11) and is flexibly connected with platform bracing frame (2);
Described gear train comprises the follower gear (7), the driving gear (6) that are arranged on upper support column (10) lower end, is positioned at large pulley (4), at least two small sheaves (5) of driving gear (6) below, is arranged on the first rotation axis (13-1) and the second rotation axis (13-2) on lower support post (11) and walks around small sheave (5) and the rope (19) of large pulley (4); Described small sheave (5) is arranged on lower support post (11); Described follower gear (7) is arranged on the first rotation axis (13-1), and described driving gear (6) and large pulley (4) are arranged on the second rotation axis (13-2), described driving gear (6) and follower gear (7) interlock; The two ends of described rope (19) are fixed on two fluid boxes (8);
Described control system comprises the two-way valve controller (16) that is arranged on the inner liquid sensor (15) of each fluid box (8), receiving liquid body sensor (15) output signal and the two-way controllable valve (14) that receives two-way valve controller (16) output signal;
Be connected by the leather hose (18) with two-way controllable valve (14) between two described fluid boxes (8).
2. the active sun tracking system based on the liquid level driving for photovoltaic generation according to claim 1, is characterized in that,
Described platform bracing frame (2) is hinged by pivot pin (3) and upper support column (10).
3. the active sun tracking system based on the liquid level driving for photovoltaic generation according to claim 1, is characterized in that,
Described the first rotation axis (13-1) and the second rotation axis (13-2) all are arranged on lower support post (11) by a plurality of rolling bearings (12).
4. the active sun tracking system based on the liquid level driving for photovoltaic generation according to claim 3, is characterized in that,
Described rolling bearing (12) is provided with two, is respectively rolling bearing and lower rolling bearing.
5. the active sun tracking system based on the liquid level driving for photovoltaic generation according to claim 4, is characterized in that,
Compressing tablet (17) is equipped with in the top of described upper rolling bearing.
6. the active sun tracking system based on the liquid level driving for photovoltaic generation according to claim 1, is characterized in that,
Described lower support post (11) is installed on the ground by structure built-in fitting (9).
7. the described active sun tracking system based on the liquid level driving for photovoltaic generation of according to claim 1 to 6 any one, is characterized in that,
The number of gears of described driving gear (6) is the twice of the number of gears of follower gear (7).
8. the described active sun tracking system based on the liquid level driving for photovoltaic generation of according to claim 1 to 6 any one, is characterized in that,
What described two-way controllable valve (14) specifically adopted is water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206639477U CN203025567U (en) | 2012-12-05 | 2012-12-05 | Hydraulic driving-based active sun chasing system for photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206639477U CN203025567U (en) | 2012-12-05 | 2012-12-05 | Hydraulic driving-based active sun chasing system for photovoltaic power generation |
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| Publication Number | Publication Date |
|---|---|
| CN203025567U true CN203025567U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206639477U Withdrawn - After Issue CN203025567U (en) | 2012-12-05 | 2012-12-05 | Hydraulic driving-based active sun chasing system for photovoltaic power generation |
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| CN (1) | CN203025567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064428A (en) * | 2012-12-05 | 2013-04-24 | 苏州市思玛特电力科技有限公司 | Driving sun chasing system for photovoltaic power generation and based on liquid level drive |
| CN103983233A (en) * | 2014-05-21 | 2014-08-13 | 中海阳能源集团股份有限公司 | Gravity and light ray combined measurement all-in-one integrated device for photo-thermal bracket elevation angle |
-
2012
- 2012-12-05 CN CN2012206639477U patent/CN203025567U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064428A (en) * | 2012-12-05 | 2013-04-24 | 苏州市思玛特电力科技有限公司 | Driving sun chasing system for photovoltaic power generation and based on liquid level drive |
| CN103064428B (en) * | 2012-12-05 | 2015-08-12 | 苏州市思玛特电力科技有限公司 | A kind of active sun tracking system driven based on liquid level for photovoltaic generation |
| CN103983233A (en) * | 2014-05-21 | 2014-08-13 | 中海阳能源集团股份有限公司 | Gravity and light ray combined measurement all-in-one integrated device for photo-thermal bracket elevation angle |
| CN103983233B (en) * | 2014-05-21 | 2016-08-24 | 中海阳能源集团股份有限公司 | Photo-thermal support elevation angle gravity, light duplex measurement integrate device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |