CN105743427A - Solar tracking bracket and device with high stability and low drive energy consumption - Google Patents
Solar tracking bracket and device with high stability and low drive energy consumption Download PDFInfo
- Publication number
- CN105743427A CN105743427A CN201610202815.7A CN201610202815A CN105743427A CN 105743427 A CN105743427 A CN 105743427A CN 201610202815 A CN201610202815 A CN 201610202815A CN 105743427 A CN105743427 A CN 105743427A
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- Prior art keywords
- crossbeam
- upper strata
- bracket
- tracking
- lower floor
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 18
- 230000005484 gravity Effects 0.000 claims abstract description 17
- 241000239290 Araneae Species 0.000 claims description 9
- 238000007596 consolidation process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 239000010410 layer Substances 0.000 abstract description 2
- 239000002355 dual-layer Substances 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 4
- 210000003850 cellular structure Anatomy 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 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
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- 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
Abstract
The invention provides a solar tracking bracket and device with high stability and low drive energy consumption. The bracket comprises a main shaft, upper beams, upper and lower connectors, lower beams, longitudinal beams and rotating shaft connectors, wherein a rotating shaft passes through bearing mounting holes and installs a bracket on a north-south post or a support post. By a novel dual-layer design method, the gravity centers and the rotating centers of a support bracket and a photovoltaic module can be completely overlapped through the relative positions between two layers and the distances to the rotating centers; acting to overcome the gravity of the tracking bracket in the tracking process is not needed, so that tracking energy consumption is reduced; and the tracking operation cost is reduced. If the gravity centers of the support bracket and the photovoltaic module are slightly lower than the rotating centers, the stability, particularly the stability at a tracking stopping period can be effectively improved; the tracking energy consumption can be reduced; the tracking operation cost is reduced; and improvement of the weatherliness is facilitated.
Description
Technical field
The invention belongs to solar energy power generating and solar energy heat utilization field, relate to solar energy tracking device, be specifically related to solar energy tracking bracket and the device of a kind of high stability and low driving energy consumption.
Background technology
In the design of existing solar energy uniaxiality tracking or tracking support with double shafts, the Support bracket of photovoltaic cell component all adopts single layer designs.And the center of gravity of photovoltaic cell component and Support bracket thereof is far above following the tracks of center of rotation.The simple in construction of this single layer designs, materials are few, low cost of manufacture.But owing to the center of gravity of Support bracket and photovoltaic module departs from far away tracking center of rotation, in actual motion, drive motor must pull against gravitational moment and moment of friction acting, thus consuming extra electric energy.Secondly, the center of gravity of photovoltaic cell component Support bracket is far above following the tracks of center of rotation, it is in labile state at tracking dwell time inner support bracket and photovoltaic module, this labile state result in again drive motor and must provide for the moment of correspondence Support bracket and photovoltaic module and terrestrial gravitation just can be made to keep balancing, and which again increases extra electric energy loss.The usual service life of photovoltaic bracket is more than 25 years, and the operating cost thus increased is far longer than the disposable production cost adopting single layer designs to reduce.
Summary of the invention
Based on problems of the prior art, the present invention proposes solar energy tracking bracket and the device of a kind of high stability and low driving energy consumption, solves the technical problem that existing solar energy tracking device is unstable and driving energy consumption is high.
In order to solve above-mentioned technical problem, the application adopts the following technical scheme that and is achieved:
The solar energy tracking bracket of a kind of high stability and low driving energy consumption, including main shaft and multiple yoke crosstie, each yoke crosstie includes upper strata crossbeam and lower floor's crossbeam, connects by connecting rod is fixing between upper strata crossbeam and lower floor's crossbeam；
A kind of solar energy tracking device of high stability and low driving energy consumption, including support column with by rotating axle, bracket on the support columns is installed, described bracket includes multiple yoke crosstie of main shaft sum, each yoke crosstie includes upper strata crossbeam and lower floor's crossbeam, connects by connecting rod is fixing between upper strata crossbeam and lower floor's crossbeam；
The upper strata crossbeam of multiple yoke crosstie is fixedly arranged on main shaft so that the tracking center of rotation of yoke crosstie drops between upper strata crossbeam and lower floor's crossbeam；
Rotate axle and be fixedly arranged on main shaft, rotate axle and be positioned at the lower section of main shaft and arrange with main axis parallel.
The present invention also has and distinguishes technical characteristic as follows:
Described support column is provided with bearing spider, rotates axle and be arranged on bearing spider by bearing and can rotate.
The length of described upper strata crossbeam is less than the length of lower floor's crossbeam.
Described yoke crosstie is Y-axis symmetrical structure；Described main shaft is fixedly arranged at the symmetrical center positions of upper strata crossbeam.
Lower floor's crossbeam of described multiple yoke crosstie is fixedly arranged on longeron.
Described solar energy tracking device is single shaft tracking apparatus or double-axis tracking device, in the area that wind-force is bigger, it is possible to the center of gravity of bracket dropping to below tracking center of rotation, thus improve the stability of this bracket, increasing weatherliness.
Compared with prior art, useful has the technical effect that the present invention
The present invention adopts double layer design new method, the center of gravity of Support bracket and photovoltaic module can be completely superposed with following the tracks of center of rotation by the relative position of two interlayers and with the distance following the tracks of center of rotation, the gravity of tracking bracket and photovoltaic module in tracking process need not be overcome to do work, thus reducing tracking energy consumption, decrease tracking operation cost.
If the center of gravity of Support bracket and photovoltaic module being slightly less than tracking center of rotation, it is possible to be effectively increased stability, particularly stop following the tracks of the stability of period.Tracking energy consumption can be reduced, decrease tracking operation cost, and be conducive to improving weatherliness.
Accompanying drawing explanation
Fig. 1 is the structural representation of the yoke crosstie of high stability and low driving energy consumption.
Fig. 2 is the structural representation of the solar energy tracking device of high stability and low driving energy consumption, in order to clear in figure, only depicts yoke crosstie, without drawing photovoltaic module in figure.
In figure, the implication of each label is: 1-support column, and 2-rotates axle, 3-bracket, 4-yoke crosstie, 5-main shaft, and 6-follows the tracks of center of rotation, 7-bearing spider, 8-upper strata photovoltaic module, 9-lower floor photovoltaic module, 10-lower floor photovoltaic module；(4-1)-upper strata crossbeam, (4-2)-lower floor crossbeam, (4-3)-connecting rod, (4-4)-longeron, (4-5)-additional reinforcement bar.
Below in conjunction with embodiment, the particular content of the present invention is described in more detail.
Detailed description of the invention
Defer to technique scheme; specific embodiments of the invention given below; it should be noted that and the invention is not limited in specific examples below; the number etc. of the such as change of all parts size, the size variation of power, separate unit or multiple linkage, upper strata crossbeam and the number of lower floor's crossbeam, longeron, all equivalents done on technical scheme basis each fall within protection scope of the present invention.Below in conjunction with embodiment, the present invention is described in further details.
Embodiment 1:
Defer to technique scheme, as shown in Figure 1.The present embodiment provides the generalized section of the solar energy tracking bracket of a kind of high stability and low driving energy consumption.
Multiple yoke crosstie 4 including main shaft 5 sum, it is characterised in that: each yoke crosstie 4 includes upper strata crossbeam 4-1 and lower floor crossbeam 4-2, connects by connecting rod 4-3 is fixing between upper strata crossbeam 4-1 and lower floor crossbeam 4-2；
The upper strata crossbeam 4-1 of multiple yoke crosstie 4 is fixedly arranged on main shaft 5 so that the tracking center of rotation 6 of yoke crosstie 4 drops between upper strata crossbeam 4-1 and lower floor crossbeam 4-2.
Yoke crosstie 4 is Y-axis symmetrical structure；Described main shaft 5 is fixedly arranged at the symmetrical center positions of upper strata crossbeam 4-1.
The lower floor crossbeam 4-2 of multiple yoke crosstie 4 consolidates by longeron 4-4.
The length of the upper strata crossbeam 4-1 length less than lower floor crossbeam 4-2.Placing upper strata photovoltaic module 8 on the crossbeam 4-1 of upper strata, lower floor crossbeam 4-2 places lower floor's photovoltaic module 9 and 10, upper strata photovoltaic module 8 and lower floor's photovoltaic module 9 and 10 make full use of space, will not mutually produce to block.
The relative position of two interlayers and with the distance defining method following the tracks of center of rotation:
(M1+m1)L1=(M2+m2)L2(1)
In formula: M1For the gross weight of upper strata photovoltaic module, m1For the gross weight of upper strata crossbeam, L1For upper strata crossbeam and upper strata photovoltaic module center of gravity to the distance following the tracks of center of rotation；
M2For the gross weight of lower floor's photovoltaic module, m2For the gross weight of lower floor's crossbeam, L2For lower floor's crossbeam and lower floor's photovoltaic module center of gravity to the distance following the tracks of center of rotation；
As fruit structure is complicated, for the ease of calculating, upper strata crossbeam and upper strata photovoltaic module center of gravity to the distance L following the tracks of center of rotation1, it is possible to resolving into multinomial, lower floor's crossbeam and lower floor's photovoltaic module center of gravity are to the distance L following the tracks of center of rotation2Can also resolve into multinomial.
The first step, according to user's requirement, it is possible to first determine M1And M2；
Second step, determines L according to engineering design1Or L2；
3rd step, solves unique variable, i.e. L2Or L1。
If upper strata crossbeam and lower floor's beam structure are complicated, continuous print Mass Distribution can also being adopted integrated form, above formula needs to be converted into integral operation.This belongs to mathematical operation, seldom lays down a definition at this.
Embodiment 2:
Defer to technique scheme, as shown in Figure 2, the present embodiment provides a kind of high stability and the solar energy tracking device of low driving energy consumption, it is arranged on the bracket 3 on support column 1 including support column 1 with by rotating axle 2, described bracket 3 includes multiple yoke crosstie 4 of main shaft 5 sum, each yoke crosstie 4 includes upper strata crossbeam 4-1 and lower floor crossbeam 4-2, connects by connecting rod 4-3 is fixing between upper strata crossbeam 4-1 and lower floor crossbeam 4-2；
The upper strata crossbeam 4-1 of multiple yoke crosstie 4 is fixedly arranged on main shaft 5 so that the tracking center of rotation 6 of yoke crosstie 4 drops between upper strata crossbeam 4-1 and lower floor crossbeam 4-2；
Rotate axle 2 and be fixedly arranged on main shaft 5, rotate axle 2 and be positioned at the lower section of main shaft 5 and be arranged in parallel with main shaft 5.
Solar energy tracking device is single shaft tracking apparatus or double-axis tracking device, determines according to concrete actual condition.In the area that wind-force is bigger, it is possible to the center of gravity of bracket 4 being dropped to below tracking center of rotation, thus improve the stability of this bracket, increasing weatherliness.
Yoke crosstie 4 in the present embodiment is 6.
Support column 1 is provided with bearing spider 7, rotates axle 2 and be arranged on bearing spider 7 and can rotate.Support column 1 can be one, it is also possible to is two, support column only one of which in double-axis tracking.The lower end of support column and ground consolidation, upper end is provided with bearing spider 7.Support column 1 in this area also referred to as south post and north post.The bearing spider 7 rotating axle 2 is installed can also tilt to install by right angle setting according to actual needs.
Lower floor crossbeam 4-2 is except crossing the part blocked with upper strata photovoltaic module 8, and lower floor's photovoltaic module 9 is installed in all the other positions.Rotate axle 2 to be connected with support column 1 upper end by rolling bearing.
Additional reinforcement bar 4-5 it is additionally provided with between upper strata crossbeam 4-1 and lower floor crossbeam 4-2.If the power following the tracks of device is bigger, in addition it is also necessary to increase necessary auxiliary supports to increase the intensity of crossbeam.
The length of the upper strata crossbeam 4-1 length less than lower floor crossbeam 4-2.
Yoke crosstie 4 is Y-axis symmetrical structure；Described main shaft 5 is fixedly arranged at the symmetrical center positions of upper strata crossbeam 4-1.
The lower floor crossbeam 4-2 of multiple yoke crosstie 4 is fixedly arranged on longeron 4-4.
In order to more intuitively explain the design of this patent, Fig. 2 gives the example sketch of a kind of oblique uniaxiality tracking bilayer photovoltaic module bracket.In Fig. 2, by rotating axle 2 and the plane parallel with upper strata crossbeam 4-1, whole rotatable parts being divided into upper and lower two parts, the gross weight of upper part constitutes the gross weight m of upper strata crossbeam 4-11And m1The distribution of weight, lower sections of gross weight constitutes the gross weight m of lower floor crossbeam 4-22And m2The distribution of weight.According to selected photovoltaic module weight M1And M2And the distribution of weight, determine L further according to mechanical design constraints condition1.Solving equation (1) can obtain design parameter L2.In the area that wind-force is bigger, it is possible to suitably increase L2The center of gravity of this bracket to be dropped to below tracking center of rotation, thus improve the stability of this bracket, increase weatherliness.
Claims (10)
1. the solar energy tracking bracket of a high stability and low driving energy consumption, including main shaft (5) and multiple yoke crosstie (4), it is characterized in that: each yoke crosstie (4) includes upper strata crossbeam (4-1) and lower floor's crossbeam (4-2), connect by connecting rod (4-3) is fixing between upper strata crossbeam (4-1) and lower floor's crossbeam (4-2)；
The upper strata crossbeam (4-1) of multiple yoke crosstie (4) is fixedly arranged on main shaft (5) so that the tracking center of rotation (6) of yoke crosstie (4) drops between upper strata crossbeam (4-1) and lower floor's crossbeam (4-2).
2. solar energy tracking bracket as claimed in claim 1, it is characterised in that: the length of described upper strata crossbeam (4-1) length less than lower floor's crossbeam (4-2).
3. solar energy tracking bracket as claimed in claim 1, it is characterised in that: described yoke crosstie (4) is Y-axis symmetrical structure；Described main shaft (5) is fixedly arranged at the symmetrical center positions of upper strata crossbeam (4-1).
4. solar energy tracking bracket as claimed in claim 1, it is characterised in that: the consolidation of lower floor's crossbeam (4-2) of described multiple yoke crosstie (4) is to be realized by longeron (4-4).
5. the solar energy tracking device of a high stability and low driving energy consumption, it is arranged on the bracket (3) on support column (1) including support column (1) with by rotating axle (2), described bracket (3) include main shaft (5) and multiple yoke crosstie (4), it is characterized in that: each yoke crosstie (4) includes upper strata crossbeam (4-1) and lower floor's crossbeam (4-2), connect by connecting rod (4-3) is fixing between upper strata crossbeam (4-1) and lower floor's crossbeam (4-2)；
The upper strata crossbeam (4-1) of multiple yoke crosstie (4) is fixedly arranged on main shaft (5) so that the tracking center of rotation (6) of yoke crosstie (4) drops between upper strata crossbeam (4-1) and lower floor's crossbeam (4-2)；
Rotate axle (2) and be fixedly arranged on main shaft (5), rotate axle (2) and be positioned at the lower section of main shaft (5) and be arranged in parallel with main shaft (5).
6. solar energy tracking device as claimed in claim 5, it is characterized in that: described support column (1) is provided with bearing spider (7), rotate axle (2) and be arranged on bearing spider (7) by bearing and can rotate.
7. solar energy tracking device as claimed in claim 5, it is characterised in that: the length of described upper strata crossbeam (4-1) length less than lower floor's crossbeam (4-2).
8. solar energy tracking device as claimed in claim 5, it is characterised in that: described yoke crosstie (4) is Y-axis symmetrical structure；Described main shaft (5) is fixedly arranged at the symmetrical center positions of upper strata crossbeam (4-1).
9. solar energy tracking device as claimed in claim 5, it is characterised in that: lower floor's crossbeam (4-2) of described multiple yoke crosstie (4) is fixedly arranged on longeron (4-4).
10. solar energy tracking device as claimed in claim 5, it is characterized in that: described solar energy tracking device is single shaft tracking apparatus or double-axis tracking device, in the area that wind-force is bigger, the center of gravity of bracket (4) can be dropped to below tracking center of rotation, thus improve the stability of this bracket, increase weatherliness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202815.7A CN105743427B (en) | 2016-04-01 | 2016-04-01 | A kind of the solar energy tracking bracket and device of high stability and low driving energy consumption |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202815.7A CN105743427B (en) | 2016-04-01 | 2016-04-01 | A kind of the solar energy tracking bracket and device of high stability and low driving energy consumption |
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| Publication Number | Publication Date |
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| CN105743427A true CN105743427A (en) | 2016-07-06 |
| CN105743427B CN105743427B (en) | 2019-04-26 |
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| CN201610202815.7A Active CN105743427B (en) | 2016-04-01 | 2016-04-01 | A kind of the solar energy tracking bracket and device of high stability and low driving energy consumption |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253825A (en) * | 2016-09-14 | 2016-12-21 | 四川中惯科技股份有限公司 | A kind of bracing frame following the tracks of device for photovoltaic generation |
| CN106532890A (en) * | 2016-12-28 | 2017-03-22 | 中国西电电气股份有限公司 | Ground energy storage-type vehicle-mounted super-capacitor charging device |
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| CN102184983A (en) * | 2011-04-18 | 2011-09-14 | 武汉能极科技有限公司 | Bearing device of large three-axis solar-cell panel |
| CN202403437U (en) * | 2011-12-16 | 2012-08-29 | 张宗炜 | Passive tracking holder for solar device |
| CN202996856U (en) * | 2012-12-03 | 2013-06-12 | 北京京仪敬业电工科技有限公司 | A staggered-structure photovoltaic support used for concentrating modules |
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2016
- 2016-04-01 CN CN201610202815.7A patent/CN105743427B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201708736U (en) * | 2010-04-21 | 2011-01-12 | 中环光伏系统有限公司 | Frame structure for solar tracking system |
| CN102184983A (en) * | 2011-04-18 | 2011-09-14 | 武汉能极科技有限公司 | Bearing device of large three-axis solar-cell panel |
| CN202403437U (en) * | 2011-12-16 | 2012-08-29 | 张宗炜 | Passive tracking holder for solar device |
| CN202996856U (en) * | 2012-12-03 | 2013-06-12 | 北京京仪敬业电工科技有限公司 | A staggered-structure photovoltaic support used for concentrating modules |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253825A (en) * | 2016-09-14 | 2016-12-21 | 四川中惯科技股份有限公司 | A kind of bracing frame following the tracks of device for photovoltaic generation |
| CN106253825B (en) * | 2016-09-14 | 2018-07-10 | 四川中惯科技股份有限公司 | A kind of supporting rack for photovoltaic generation tracks of device |
| CN106532890A (en) * | 2016-12-28 | 2017-03-22 | 中国西电电气股份有限公司 | Ground energy storage-type vehicle-mounted super-capacitor charging device |
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| CN105743427B (en) | 2019-04-26 |
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