CN103135590B - A kind of device from the motion tracking sun - Google Patents
A kind of device from the motion tracking sun Download PDFInfo
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- CN103135590B CN103135590B CN201310023248.5A CN201310023248A CN103135590B CN 103135590 B CN103135590 B CN 103135590B CN 201310023248 A CN201310023248 A CN 201310023248A CN 103135590 B CN103135590 B CN 103135590B
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- rotary shaft
- collecting device
- circular orbit
- sunlight collecting
- sunlight
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- 238000009434 installation Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
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- 241000555268 Dendroides Species 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
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- 230000006835 compression Effects 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
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Abstract
The invention discloses a kind of device from the motion tracking sun, including circular orbit, the ground at circular orbit center is provided with rotary shaft, the upper end of rotary shaft connects sunlight collecting device, the both sides of sunlight collecting device are connected by connector and two slide blocks on described circular orbit are fixing the most respectively, and slide block rotates at horizontal plane around rotary shaft in order to drive described sunlight collecting device;The dorsal part of sunlight collecting device is connected with the lower end of rotary shaft by automatic extending-contracting apparatus, and automatic extending-contracting apparatus rotates in order to drive sunlight collecting device to be perpendicular to horizontal plane around rotary shaft upper extreme point.While the present invention is greatly reduced the weight of load, particularly metal rack by the way of using console model structure to increase Area of bearing and lower the center of gravity, for really realizing loading the rotation mode of continuously and smoothly drive the radius of point by increasing load by the way of to follow the tracks of sunlight, thus reach realization on the premise of motion tracking, be effectively improved the cost performance of automatic tracking system.
Description
Technical field
The invention belongs to application of solar, relate to a kind of method following the tracks of the sun, especially
It it is a kind of method from the motion tracking sun.
Background technology
Due to the rotation of the earth itself with enclose the motion revolved around the sun, if use supporting automatically with
Track system enables to the generating efficiency of photovoltaic generating system and improves more than 20%, such as figure institute left in Fig. 1
Show;For Stirling formula solar light-heat power-generation system, it is necessary to supporting tracking error≤
The High Precision Automatic tracking system of 0.03 ° could obtain the uniform high temperature region of > 1000 DEG C with heating
Medium promotes Stirling engine that solar energy (heat energy) is changed into mechanical energy;At present although as
Scientific technological advance, more and more higher from motion tracking level, but it is applied to field of solar energy
Tracking system cost is high, tracking accuracy is low and the high master remaining domestic and international popularization and application of fault rate
Want technology barrier.
One 20 kilowatts of photovoltaic generating system with automatic tracking function and one High Precision Automatic
25 kilowatts of Stirling solar heat generating systems of tracking system, its common feature is: photovoltaic cell
Plate or condenser lens are around vertical shaft rotating together with its metal rack, and its reception sunlight sectional area is
More than 100 square metres.But about ten tons load that weigh is held up also by the vertical shaft of diameter about 1 meter
Enclose to rotate about and implement to follow the tracks of sunlight function, (abbreviated here as vertical shaft type structure).At this
In kind of structure in order to prevent certain wind-force and ensure certain mechanical strength and by connected by metalwork
Frame weight accounts for 2/3rds of its gross weight.This structure is not only complicated due to center of gravity high trestle structure
And cause system cost to increase considerably, it is often more important that weigh ten tons load give from motion tracking system
System enforcement brings the biggest difficulty, uses common batch (-type) type of drive the most impracticable,
Make because overcoming the stiction of the load of such weight to rotate needs six times even more
Big power drives, thus causes driving power of motor to increase excessive and whole service process also
Unstable;If but using the mode rotated continuously to drive the load tracking sun, i.e. by electronic
Machine driving rotary shaft is around solid fixed-axis rotation, thus the method that band dynamic load rotates also is to realize
, because sun rotation each second angle is: 15 °/60*60=0.004 °/sec, straight for 1 meter
For footpath drives gear, the mode that continuous uniform rotates, although there is theoretically no and overcome static friction
The technical problem of power, but be intended to realize the slowest continuously and smoothly's rotational angular velocity and be actually in
Almost resting state, is i.e. equivalent to quasi-resting state and has the biggest " quiet " frictional force, gram
" quiet " frictional force taking the biggest load formation is to need to consume the biggest energy.And above-mentioned skill
Art problem is non-existent for small-sized being supported in actual application.
So exist for automatic tracking system supporting in the systems such as large-sized solar generating
Concrete technical problems carries out the most deep discussion research, and it is practical to design science according to its feature
New method, for promote Application of Solar Energy industrialization be of great immediate significance.
Summary of the invention
The present invention is directed in the application systems such as large-sized solar generating owing to loading the heaviest and vertical shaft
The skill that formula rotating mechanism is formed at aspects such as reliability, degree of accuracy, cost performances to automatic tracking system
Art obstacle and concrete feature, it is provided that a kind of device from the motion tracking sun, this device is by using
Console model structure increase Area of bearing the mode lowered the center of gravity are greatly reduced load, particularly subtract
While the weight of light metal support, for (increasing by the way of increasing the radius of load driving point
Linear velocity) the real rotation mode of load continuously and smoothly that realizes is to follow the tracks of sunlight, thus reach real
On the premise of motion tracking, now it is effectively improved the cost performance of automatic tracking system, should for further genralrlization
With paving the way, and this structure is called console model structure.
It is an object of the invention to solve by the following technical programs:
This device from the motion tracking sun, including being horizontally set on the circular orbit on ground, in institute
Stating and be provided with rotary shaft on the ground at circular orbit center, the upper end of described rotary shaft connects the sun
Light collecting device, the both sides of described sunlight collecting device are the most respectively by connector and described annular
Several slide blocks on track are fixing to be connected, and described slide block is in order to the drive installation sun on pedestal
Light collecting device rotates at horizontal plane around rotary shaft;The dorsal part of sunlight collecting device is by automatically stretching
Compression apparatus is connected with the lower end of horizontal mobile jib, and described automatic extending-contracting apparatus is in order to drive sunlight collection
Device is perpendicular to horizontal plane around horizontal mobile jib upper extreme point and rotates.
Above-mentioned sunlight collecting device is point/line condenser lens or photovoltaic panel.
Above-mentioned automatic extending-contracting apparatus is linear electric motors.Arrange in the lower end of described sunlight collecting device
Have and be mutually perpendicular to and fix with described rotary shaft upper end the horizontal mobile jib and vertical trunk being connected, described
On the pedestal that the two ends of horizontal mobile jib by several slide block torr of herringbone column and circular orbit solid
Fixed connection;The lower end of described vertical trunk is hinged with described automatic extending-contracting apparatus movable end,
Another movable end of automatic extending-contracting apparatus is hinged with the lower end of described rotary shaft.Described sunlight is received
The lower end of acquisition means is additionally provided with to hold its pedestal, described pedestal and horizontal mobile jib and vertical
Mobile jib is fixing to be connected.
Several slide blocks on above-mentioned circular orbit are roller, and one of them is active roller, separately
One is return idler, and described active roller is by driving motor with rolling square on circular orbit
Formula drags pedestal and rotates around rotary shaft.
Compared with prior art, the method have the advantages that
The present invention is directed in the application systems such as large-sized solar generating owing to loading the heaviest and vertical shaft
The skill that formula rotating mechanism is formed at aspects such as reliability, degree of accuracy, cost performances to automatic tracking system
Art obstacle and concrete feature, by using console model structure increase Area of bearing and lower the center of gravity
While mode is greatly reduced the weight of load, particularly metal rack, for being loaded by increase
The mode (increase linear velocity) driving the radius of point really realizes the rotation mode of load continuously and smoothly
To follow the tracks of sunlight, thus reach to realize on the premise of motion tracking, be effectively improved automatic tracking system
Cost performance, for further genralrlization application pave the way.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the top view of Fig. 1.
Wherein: 1 is circular orbit;2 is rotary shaft;3 is sunlight collecting device;4 is automatic
Retractor device;5 is horizontal mobile jib;6 is vertical trunk;7 is herringbone column;8 is slide block;9
For driving motor;10 is pedestal.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail:
Seeing Fig. 1-3, this device from the motion tracking sun of the present invention, including being horizontally set on
The circular orbit 1 on ground, is provided with rotary shaft 2, rotary shaft on the ground at circular orbit 1 center
The upper end of 2 connects has sunlight collecting device 3, the both sides of sunlight collecting device 3 to pass through the most respectively
On connector and described circular orbit 1 several (because three points determine a face, institute so that
Few more than three guarantee pedestals place steady statue, determine with specific reference to factors such as scale areas)
Slide block 8 is fixing to be connected, and slide block is in order to drive installation sunlight collecting device 3 on pedestal 10
Rotate at horizontal plane around rotary shaft 2;The dorsal part of sunlight collecting device 3 passes through automatic extending-contracting apparatus
4 are connected with the lower end of horizontal mobile jib 5, and automatic extending-contracting apparatus 4 is in order to drive sunlight collecting device 3
It is perpendicular to horizontal plane around horizontal mobile jib 5 upper extreme point rotate.
In an embodiment of the present invention, described sunlight collecting device 3 is point/line condenser lens or light
Volt plate.Automatic extending-contracting apparatus 4 is linear electric motors.Set in the lower end of described sunlight collecting device 3
It is equipped with and is mutually perpendicular to and fixes, with described rotary shaft 2 upper end, the horizontal mobile jib 5 and vertical trunk being connected
6, the two ends of described horizontal mobile jib 5 are by several slide blocks 8 of herringbone column 7 with circular orbit 1
Fixing connection;The lower end of vertical trunk 6 is hinged with a movable end of described automatic extending-contracting apparatus 4,
Another movable end of automatic extending-contracting apparatus 4 is hinged with the lower end of described rotary shaft 2.Sunlight is received
The lower end of acquisition means 3 is additionally provided with to hold its pedestal 10, pedestal 10 and horizontal mobile jib 5
Connection fixing with vertical trunk 6.Several slide blocks 8 on circular orbit 1 are roller, wherein
One is active roller, and remaining is return idler, and described active roller is by driving motor 9 to exist
Move on circular orbit 1.
Hereinafter each several part of the present invention is described in detail:
1) circular orbit 1: typically by one (Stirling heat generating condenser lens one-of-a-kind system) or
The metallic plate structure of multiple concentric circulars (the big system of the thermal power station such as photovoltaic generating system or Stirling)
Circularize track 1, and feel at ease wherein and be filled with rotary shaft 2;
2) driving means be by horizontal plane from the motion tracking sun (Tong Bu with earth rotation) and vertical
Direction is from two part compositions of the motion tracking sun (enclose and revolve around the sun).Wherein horizontal plane automatically with
Track solar system mainly by drive motor 9, reduction box and active roller B, return idler A, C and
D and two orthogonal AB, CD connectors that four rolling is connected with rotary shaft and four
Roller is connected tetra-muscle of AC, CB, BD, DA composition pedestals formed;Vertical direction is from motion tracking
Solar system is mainly made up of the linear electric motors being installed between connector CD and vertical trunk, wherein
The vertical trunk orthogonal to that composition sunlight being fixed on horizontal main rotary shaft middle receives truncated
Face.
Reached from motion tracking base structure by what above circuit orbit and corresponding driving means formed
Lower the center of gravity, simplify structure, the target of increase linear velocity.
3) support is with being fixed on symmetrical two herringbone column upper end installation level masters on pedestal
Rotary shaft, and perpendicular vertical trunk is installed at place's (as required or many places) therebetween,
And the vertical trunk orthogonal to that composition sunlight being wherein fixed on horizontal main rotary shaft middle receives
Cross section;The tree stretched out in the dendroid stretched out in front-rear direction on horizontal main rotary shaft and vertical major
Dendritic form network structure together, do for fixed installation load (photovoltaic power generation plate or condenser lens)
Good preparation.And require that network structure itself leaves gap or wind-tunnel to reduce support windage.
Described in top is Stirling heat generating one-of-a-kind system, for the multiple stage list in an electric station
Machine system forms big system, the operation principle in technical scheme, equally uses and is similar to land
The automatic tracking structure form of formula photovoltaic generating system (shown in Fig. 2) realizes, and effect is more
Good.Because driving point to increase an order of magnitude with the distance of the center of circle (radius) than unit, linear speed
Degree increases an order of magnitude too, although at this time load generally reaches tens tons, but if
Utilize roller continuously and smoothly to rotate in dry bar concentric circular tracks to be still able to easily to realize, and
Use gear drive continuously and smoothly to rotate more reliable stable, enable to again tracking system and (include propping up
Frame) holistic cost and operating cost drop to the half of original unit, but every in whole big system
Its optical axis all must be adjusted at the unified equidirectional of three dimensions by unit when mounted,
This workload is the biggest.
Embodiment
On level ground, lay one circular orbit with metal as required, and dispose at circle centre position solid
Dead axle;Then with bis-connectors of mutually perpendicular AB, CD in horizontal plane four rolling and center
Rotary shaft couples together (may be needed more by the connecting line of center rotating shaft for big system
Constitute load pedestal, also need to use four ribs A, B, C, D tetra-again generally for increasing intensity
Roller connects into square, thus composition is stablized and has the load pedestal of some strength.Then exist
At a certain distance from two limits centered by one of them active roller B and opposite A, (its degree of overstating specifically is determined
Due to factors such as load and stability requirement height) dispose herringbone column, vertical being installed on
The horizontal main rotary shaft middle of post upper end (as required or multiple being parallel to each other is installed in many places)
Arrangement vertical trunk is the most perpendicular, and the plane formed is exactly sunlight reception cross section;Then
Installation requirement according to load is installed on horizontal rotating shaft and vertical trunk and is stretched out dendroid muscle,
And the grid lattice being made up of these dendroid muscle are exactly the support body being mounted directly fixing condenser lens.This
Although console model structure is heavier when may need according to load, but opposed axis structure,
Its weight be only its about 1/3rd, material is not only greatly saved, reduces cost, and
And its center of gravity is reduced to original about 1/4th;Again owing to this console model structure is vertical shaft type
Driving radius by its 0.5 meter (main shaft is usually about 1 meter) increase to 7 meters the most, electricity
Machine driving drivewheel can be the most electronic with linear velocity 2 π * 6/ (24*3600)=0.5mm/S at this
Machine pulls load to turn with the even speed of half millimeter per second at track at reductor deceleration rear drive roller
Move and can realize;And vertical shaft type structure passed through the situation of maximum drive radius 0.5 meter originally,
Linear velocity 2 π * 0.5/ (24*3600)=0.036mm/S the most herein, so in reality in motion tracking
The rotation of even speed cannot be realized.
Claims (2)
1. the device from the motion tracking sun, it is characterised in that include being horizontally set on ground
Circular orbit (1), the ground at described circular orbit (1) center is provided with rotary shaft (2),
The upper end of described rotary shaft (2) connects sunlight collecting device (3), and described sunlight collection fills
Put the both sides of (3) the most respectively by connector and several slide blocks (8) on described circular orbit (1)
Fixing connecting, described slide block is in order to drive installation sunlight collecting device (3) on pedestal (10)
Rotate at horizontal plane around rotary shaft (2);The dorsal part of sunlight collecting device (3) passes through automatic telescopic
Device (4) is connected with the lower end of vertical trunk (6), and described automatic extending-contracting apparatus (4) is in order to drive
Dynamic sunlight collecting device (3) is perpendicular to horizontal plane around horizontal mobile jib (5) and rotates;At the described sun
The lower end of light collecting device (3) is provided with and is mutually perpendicular to and fixes even with described rotary shaft (2) upper end
The horizontal mobile jib (5) connect and vertical trunk (6), people is passed through at the two ends of described horizontal mobile jib (5)
The pedestal that word column (7) holds in the palm with several slide blocks (8) of circular orbit (1) is fixing to be connected;
The lower end of described vertical trunk (6) is hinged with a movable end of described automatic extending-contracting apparatus (4),
Another movable end of automatic extending-contracting apparatus (4) is hinged with the lower end of described rotary shaft (2);Described
The lower end of sunlight collecting device (3) is additionally provided with to drag its pedestal (10), described base
Frame (10) is fixing with horizontal mobile jib (5) and vertical trunk (6) to be connected;Described circular orbit (1)
On several slide blocks (8) be roller, one of them is active roller, and remaining is return idler,
And described active roller is by driving motor (9) with roll mode dragging base on circular orbit (1)
Frame rotates around rotary shaft (2);Described circular orbit (1) is by Stirling heat generating optically focused
The metallic plate of mirror one-of-a-kind system or photovoltaic generating system or the big system of Stirling thermal power station is constituted
Circular orbit (1), and feel at ease wherein and be filled with rotary shaft (2);Described circular orbit (1) by
One or more concentrically ringed metallic plate is constituted;Described sunlight collecting device (3) is that point/line gathers
Light microscopic or photovoltaic panel.
Device from the motion tracking sun the most according to claim 1, it is characterised in that institute
Stating automatic extending-contracting apparatus (4) is linear electric motors.
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CN201310023248.5A CN103135590B (en) | 2013-01-22 | 2013-01-22 | A kind of device from the motion tracking sun |
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CN201310023248.5A CN103135590B (en) | 2013-01-22 | 2013-01-22 | A kind of device from the motion tracking sun |
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CN103135590B true CN103135590B (en) | 2016-11-23 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104483981B (en) * | 2014-11-07 | 2017-04-19 | 陕西科技大学 | Device capable of realizing oriented sunlight reflection |
CN105652900A (en) * | 2016-03-29 | 2016-06-08 | 深圳职业技术学院 | Solar energy automatic tracking system and control method |
CN106291666B (en) * | 2016-07-21 | 2018-12-21 | 华通科创(唐山)石油工程技术服务有限公司 | A kind of detection equipment for oil exploration with independent power generation ability |
CN113176086B (en) * | 2021-05-11 | 2022-09-20 | 国家电网有限公司 | Electric insulation scaffold testing device and testing method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201319567Y (en) * | 2008-11-07 | 2009-09-30 | 深圳市新天光电科技有限公司 | Solar stand with rotating device |
CN102155358A (en) * | 2010-12-30 | 2011-08-17 | 张文迅 | Light-gathering wind and light complementary power station with automatic sun tracking function and maximum power point tracking function |
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2013
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201319567Y (en) * | 2008-11-07 | 2009-09-30 | 深圳市新天光电科技有限公司 | Solar stand with rotating device |
CN102155358A (en) * | 2010-12-30 | 2011-08-17 | 张文迅 | Light-gathering wind and light complementary power station with automatic sun tracking function and maximum power point tracking function |
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