CN106054937A - Solar cell panel light elevation angle automatic following system - Google Patents

Solar cell panel light elevation angle automatic following system Download PDF

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Publication number
CN106054937A
CN106054937A CN201610481849.4A CN201610481849A CN106054937A CN 106054937 A CN106054937 A CN 106054937A CN 201610481849 A CN201610481849 A CN 201610481849A CN 106054937 A CN106054937 A CN 106054937A
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solar panel
angle
cell panel
solar cell
ray height
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CN201610481849.4A
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CN106054937B (en
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程政文
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Guangdong Quanwei Technology Co ltd
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a solar cell panel light elevation angle automatic following system including a horizontally arranged base, a solar cell panel, a telescoping device, a light elevation angle detection device, and a driving circuit, the bottom center point of the solar cell panel is hinged to the upper surface of the base, one end of the telescoping device is hinged to one fixing point, the other end of the telescoping device is hinged to the top center of the solar cell panel, the telescoping device can be changed in length to make the solar cell panel rotate around the bottom hinge point to change the elevation angle of the solar cell panel, the light elevation angle detection device is arranged at the upper surface of the base for detecting an elevation angle of the solar ray, and the driving circuit controls the telescopic device to work to drive the solar cell panel to rotate around the bottom hinge point, so that the angle between the normal line of the solar cell panel and the horizontal plane is equal to the angle between the solar ray and the horizontal plane. The system provided can automatically correct the elevation angle of the solar cell panel, so that the sunlight is perpendicular to the solar cell panel at all times so as to receive the sunlight as much as possible.

Description

A kind of solar panel ray height angle automatic following system
Technical field
The present invention relates to solar energy generation technology field, particularly to a kind of solar panel ray height angle automatically with With system.
Background technology
Society, this traditional energy of fossil energy peters out, the mankind increasingly pay close attention to global environment present situation and Its trend.World environments, Resource Degradation have two main causes at present: poverty and population growth rate at a high speed are (mainly in Asia and Africa Draw)；The poor efficiency of resource uses, high consumption amount, high refuse growing amount and industrial pollution.Therefore we are badly in need of finding some new energy Source realizes the sustainable development of economy.Solar energy is developed the most rapidly as a kind of emerging green energy resource and is applied. Affected by natural conditions such as weather, latitude, longitudes owing to being radiated the light on ground, also exist intermittence, direction of illumination and The problem that intensity is continually changing in time, collection and utilization to solar energy are had higher requirement.Architecture Department of Hong Kong University Have studied the relation of sunlight angle and solar energy acceptance rate, theory analysis shows: the tracking of the sun and non-tracking, connecing of energy Yield difference 37.7%, accurately follows the tracks of the sun and the thermal efficiency of receptor can be made to be greatly improved, and then improve solar electrical energy generation The solar energy utilization ratio of system, that has widened solar energy utilizes field.
During the most general solar tracking device is required for the information calculating such as the longitude and latitude according to nest point 1 year The angle at the place of the sun the most in the same time of every day, the position of sun in moment each in 1 year is stored PLC, single-chip microcomputer or In computer software, namely by calculating position of sun to realize following the tracks of.Use computer data theoretical, need earth longitude and latitude Area data and setting, once install, just inconvenience is mobile or mounting or dismounting, has moved every time and has been necessary for resetting data and tune Whole parameters；Principle, circuit, technology, equipment are the most complicated, and layman can not at will operate.
Summary of the invention
The present invention has designed and developed a kind of solar panel ray height angle automatic following system, it is possible to automatically revise too The elevation angle of sun energy cell panel, to receive sunlight to greatest extent.
The technical scheme that the present invention provides is:
A kind of solar panel ray height angle automatic following system, including:
Base, it is horizontally disposed；
Solar panel, its bottom center is point articulated on base upper surface；
Retractor device, its one end joins on a fixing point, and the other end is hinged on the center, top of solar panel, Described retractor device can change length so that described solar panel rotates around bottom pin joint thus changes solar-electricity The elevation angle of pond plate；
Ray height angle detecting device, it is arranged at described base upper surface, for detecting the elevation angle of sunray, Described ray height angle detecting device includes:
Shadow bar, it is that elongate cylinder is shaft-like, and described shadow bar is perpendicularly fixed on described rotating base upper surface；
The first to the n-th light sensor, it is linearly arranged in order, and the first to the n-th light sensor place straight line passes through The center of circle, shadow bar bottom surface, and parallel in the projection of base upper surface with the normal of solar panel；
Wherein, when the shade that sunlight shadow bar produces covers on the first to the n-th light sensor, described first Can output signal to the n-th light sensor；
Drive circuit, it controls retractor device by the signal of the first to the n-th light sensor output and works, drives described Solar panel rotates around bottom pin joint, makes angle and sunray and the level of solar panel normal and horizontal plane The angle in face is equal.
Preferably, described ray height angle detecting device is provided with two sets, lays respectively at described solar panel Both sides front and back, to prevent the shade of solar panel from covering described ray height angle detecting device.
Preferably, described the first to the n-th light sensor is light-operated switch.
Preferably, described retractor device when being in fully collapsed condition described solar panel be horizontal.
Preferably, described retractor device includes the first to the n-th cylinder of series connection.
Preferably, the stroke of described the first to the n-th cylinder is equal.
Preferably, i-th light sensor distance s away from shadow bariFor
s i = h · tan [ arccos L 1 2 + L 2 2 - ( L 3 + id ) 2 2 L 1 L 2 - θ ]
Wherein, h is the height of shadow bar, L1For the distance of retractor device bottom Yu solar panel bottom, L2For the sun The distance at the two ends up and down of energy cell panel, L3For retractor device initial length, d is the stroke of a cylinder, and θ is at the bottom of retractor device End and solar panel bottom line and the angle of horizontal plane.
The invention has the beneficial effects as follows: the invention provides a kind of solar panel ray height angle and automatically follow and be System, it is possible to automatically revise the elevation angle of solar panel, thus receive sunlight to greatest extent.Present invention employs simultaneously The purely mechanic structure with circuit type, it is achieved that the correction in solar panel direction, does not use programmable type controller, will not Generating program runs phenomenons such as flying, greatly strengthen the reliability of system.
Accompanying drawing explanation
Fig. 1 is solar panel ray height angle of the present invention automatic following system population structure schematic diagram.
Fig. 2 is ray height angle detecting device structural representation of the present invention.
Fig. 3 is ray height angle detecting device scale diagrams of the present invention.
Fig. 4 is solar panel of the present invention and retractor device size and position relationship schematic diagram.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description literary composition Word can be implemented according to this.
As it is shown in figure 1, the invention provides a kind of solar panel ray height angle automatic following system, it is used for regulating The elevation angle of solar panel so that it is receive sunlight to greatest extent.Described solar panel ray height angle is automatic System for tracking includes base 110, solar panel 120, retractor device 130, ray height angle detecting device 140 and drives Galvanic electricity road.
Base 110 is in being horizontally disposed with, and described solar panel 120 is arranged on the top of base 110, and solar-electricity It is hinged on base 110 at pond plate 120 bottom center, makes solar panel 120 can rotate around pin joint, thus change The elevation angle of solar panel 120.
One end of retractor device 130 is hinged on the center, top of solar panel 120, and the other end is hinged on base 110 internal fixed point.Described retractor device 130 can change length so that described solar panel 120 cuts with scissors around bottom Contact rotates thus changes the elevation angle of solar panel 120.
Ray height angle detecting device 140 is arranged at described base 110 upper surface, for detecting the height of sunray Angle.
As in figure 2 it is shown, described ray height angle detecting device 140 includes that shadow bar 141 and the first to the n-th is total to n light Sensor 142.Wherein, shadow bar 141 is shaft-like in elongate cylinder, and it is perpendicularly fixed on described rotating base 110 upper surface.Institute State the first to the n-th light sensor to be linearly arranged in order, and the first to the n-th light sensor place straight line is through shadow bar 141 center of circle, bottom surfaces, and parallel in the projection of base 110 upper surface with the normal of solar panel 120.
On device of solar generating, i.e. it is provided with a set of radiation direction system for tracking, the ray height provided with the present invention Angle automatic following system is used in combination.First by radiation direction system for tracking, adjust the deflection of base 110, make the sun The deflection of energy cell panel 120 is equal with the deflection of light.Now, light is radiated in shadow bar 141 the shade energy produced Cover in the first to the n-th light sensor is one or more.When shade covers on the first to the n-th light sensor, Described the first to the n-th light sensor can output signal.Therefore, according to the quantity of capped light sensor 142, with regard to energy Enough preresearch estimates go out the length of shade, just can calculate the elevation angle of light in the case of known projection bar 141 height.
Described drive circuit controls retractor device by the signal that the first to the n-th light sensor exports and stretches out specific long Degree, drives described solar panel to rotate around bottom pin joint, make the angle of solar panel normal and horizontal plane with too Sunlight line is equal with the angle of horizontal plane, and now sunlight vertical irradiation is on solar panel 120, makes solar panel 120 can receive sunlight to greatest extent.
In another embodiment, described ray height angle detecting device 140 is provided with two sets, lays respectively at described solar energy Both sides before and after cell panel 120, to prevent the shade of solar panel 120 from covering described ray height angle detecting device 140。
In another embodiment, described retractor device 130 includes the first to the n-th cylinder of series connection.Described the first to the n-th light Line sensor 142 is light-operated switch.The most each light-operated switch controls two five-way air-operated solenoid valves, i.e. controls a gas Cylinder.When a light sensor 142 is blocked by shadow, a cylinder stretches out.
In another embodiment, described retractor device 130 is in during fully collapsed condition at described solar panel 120 In horizontal level.When sunlight vertical irradiation on the ground, shadow bar 141 will not produce shade, now the first to the n-th light Sensor is not the most blocked, and the first to the n-th cylinder is in contraction state, and now solar panel 120 keeps horizontal position Put, just make sunlight vertical irradiation on solar panel 120.
As shown in Fig. 3 Fig. 4, preferred as one, the stroke of described the first to the n-th cylinder is equal, the first light level Device to the n-th light sensor distance shadow bar 141 distance successively near to far.When solar irradiation is mapped in shadow bar 141, produce When raw projection is covered on i-th light sensor, now sunray with the angle α of horizontal plane is
α = arctan h s i
Wherein, h is the height of shadow bar, siFor the i-th light sensor distance away from shadow bar.
Meanwhile, having i cylinder to stretch out, now solar panel 120 is propped and is made solar panel by retractor device 130 120 is satisfied with the angle β of horizontal plane
β = arccos L 1 2 + L 2 2 - ( L 3 + id ) 2 2 L 1 L 2 - θ
Wherein, L1For the distance of retractor device bottom Yu solar panel bottom, L2For solar panel up and down two The distance of end, L3For retractor device initial length, d is the stroke of a cylinder, and θ is retractor device bottom and solar panel Bottom line and the angle of horizontal plane.
When with sunlight vertical with solar panel time, solar panel can absorb sunlight to greatest extent and be, Now need to meet
α + β = π 2
Solve si
s i = h · tan [ arccos L 1 2 + L 2 2 - ( L 3 + id ) 2 2 L 1 L 2 - θ ] .
Therefore, during parts needed for selection system, the cylinder that optional model is identical, make the stroke of each cylinder It is d, and when arranging the first to the n-th light sensor, it is only necessary to the s of above-mentioned calculating is installediValue, arranges, can make too Sun can be in the position receiving sunray to greatest extent by cell panel all the time, significantly provides the generating of device of solar generating Amount.
Although embodiment of the present invention are disclosed as above, but it is not restricted in description and embodiment listed Using, it can be applied to various applicable the field of the invention completely, for those skilled in the art, and can be easily Realizing other amendment, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention does not limit In specific details with shown here as the legend with description.

Claims (7)

1. a solar panel ray height angle automatic following system, it is characterised in that including:
Base, it is horizontally disposed；
Solar panel, its bottom center is point articulated on base upper surface；
Retractor device, its one end joins on a fixing point, and the other end is hinged on the center, top of solar panel, described Retractor device can change length so that described solar panel rotates around bottom pin joint thus changes solar panel Elevation angle；
Ray height angle detecting device, it is arranged at described base upper surface, for detecting the elevation angle of sunray, described Ray height angle detecting device includes:
Shadow bar, it is that elongate cylinder is shaft-like, and described shadow bar is perpendicularly fixed on described rotating base upper surface；
The first to the n-th light sensor, it is linearly arranged in order, and the first to the n-th light sensor place straight line is through projection The center of circle, bar bottom surface, and parallel in the projection of base upper surface with the normal of solar panel；
Wherein, the shade that sunlight shadow bar produces is when covering on the first to the n-th light sensor, and described first to the N light sensor can output signal；
Drive circuit, it controls retractor device by the signal of the first to the n-th light sensor output and works, drives the described sun Can rotate around bottom pin joint by cell panel, make angle and sunray and the horizontal plane of solar panel normal and horizontal plane Angle is equal.
Solar panel ray height angle the most according to claim 1 automatic following system, it is characterised in that described light Line height angle detecting device is provided with two sets, lays respectively at both sides before and after described solar panel, to prevent solar-electricity The shade of pond plate covers described ray height angle detecting device.
Solar panel ray height angle the most according to claim 1 and 2 automatic following system, it is characterised in that institute Stating the first to the n-th light sensor is light-operated switch.
Solar panel ray height angle the most according to claim 3 automatic following system, it is characterised in that described in stretch Compression apparatus when being in fully collapsed condition described solar panel be horizontal.
Solar panel ray height angle the most according to claim 4 automatic following system, it is characterised in that described in stretch Compression apparatus includes the first to the n-th cylinder of series connection.
Solar panel ray height angle the most according to claim 5 automatic following system, it is characterised in that described The stroke of one to the n-th cylinder is equal.
Solar panel ray height angle the most according to claim 6 automatic following system, it is characterised in that i-th Light sensor distance s away from shadow bariFor
s i = h · t a n [ arccos L 1 2 + L 2 2 - ( L 3 + i d ) 2 2 L 1 L 2 - θ ]
Wherein, h is the height of shadow bar, L1For the distance of retractor device bottom Yu solar panel bottom, L2For solar-electricity The distance at the two ends up and down of pond plate, L3For retractor device initial length, d is the stroke of a cylinder, θ be retractor device bottom with Solar panel bottom line and the angle of horizontal plane.
CN201610481849.4A 2016-06-24 2016-06-24 A kind of solar panel ray height angle automatic following system Active CN106054937B (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107070381A (en) * 2017-05-16 2017-08-18 南通欧贝黎新能源电力股份有限公司 A kind of photovoltaic power generation apparatus
CN107728416A (en) * 2017-08-31 2018-02-23 芜湖迈特电子科技有限公司 Multi-functional self-charging type field projecting apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101728976A (en) * 2008-10-30 2010-06-09 威海人合机电工程有限公司 Photovoltaic power generating device
CN201569921U (en) * 2009-12-30 2010-09-01 江苏技术师范学院 Solar energy automatic-tracking device
CN202101756U (en) * 2011-05-24 2012-01-04 大连工业大学 Automatic solar trail tracking type illuminometer
CN102393752A (en) * 2011-09-29 2012-03-28 南通纺织职业技术学院 Solar tracking device and control system thereof
US20150188484A1 (en) * 2012-11-13 2015-07-02 Sichuan Zhong Shun Solor Energy Development Co., Ltd. Linear drive apparatus and method of controlling and using same for solar energy tracking

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101728976A (en) * 2008-10-30 2010-06-09 威海人合机电工程有限公司 Photovoltaic power generating device
CN201569921U (en) * 2009-12-30 2010-09-01 江苏技术师范学院 Solar energy automatic-tracking device
CN202101756U (en) * 2011-05-24 2012-01-04 大连工业大学 Automatic solar trail tracking type illuminometer
CN102393752A (en) * 2011-09-29 2012-03-28 南通纺织职业技术学院 Solar tracking device and control system thereof
US20150188484A1 (en) * 2012-11-13 2015-07-02 Sichuan Zhong Shun Solor Energy Development Co., Ltd. Linear drive apparatus and method of controlling and using same for solar energy tracking

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107070381A (en) * 2017-05-16 2017-08-18 南通欧贝黎新能源电力股份有限公司 A kind of photovoltaic power generation apparatus
CN107728416A (en) * 2017-08-31 2018-02-23 芜湖迈特电子科技有限公司 Multi-functional self-charging type field projecting apparatus

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Effective date of registration: 20230505

Address after: 523000 No. 1, Nange West Road, Daojiao Town, Dongguan City, Guangdong Province

Patentee after: Guangdong Quanwei Technology Co.,Ltd.

Address before: No. 80, Botutun, Duchong Village, Dongluo Town, Chongzuo City, Guangxi Zhuang Autonomous Region, 532115

Patentee before: Cheng Zhengwen

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