CN201149660Y - Apparatus for tracking disc-shaped solar collector - Google Patents

Apparatus for tracking disc-shaped solar collector Download PDF

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Publication number
CN201149660Y
CN201149660Y CNU2008200974884U CN200820097488U CN201149660Y CN 201149660 Y CN201149660 Y CN 201149660Y CN U2008200974884 U CNU2008200974884 U CN U2008200974884U CN 200820097488 U CN200820097488 U CN 200820097488U CN 201149660 Y CN201149660 Y CN 201149660Y
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CN
China
Prior art keywords
angle
tracking
elevation angle
sun
east
Prior art date
Application number
CNU2008200974884U
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Chinese (zh)
Inventor
刘京诚
任松林
李敏
刘俊
陈小强
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重庆大学
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Priority to CNU2008200974884U priority Critical patent/CN201149660Y/en
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Publication of CN201149660Y publication Critical patent/CN201149660Y/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S30/40Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/45Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • F24S30/452Vertical primary axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00Arrangements for controlling solar heat collectors
    • F24S50/20Arrangements for controlling solar heat collectors for tracking
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782Systems for determining direction or deviation from predetermined direction
    • G01S3/785Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7861Solar tracking systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings or tracking

Abstract

The utility model relates to a dished solar collector tracking device, comprising a photoelectric sensor, a solar panel, an optical collector, a controller and a driving unit. The driving unit is composed of an azimuth driving mechanism and an elevation angle driving mechanism. The photoelectric sensor consists of a hidden cylinder and nine photocells. Four photocells are respectively arranged in the east, the west, the north and the south of the hidden cylinder to roughly detect the azimuth and the elevation angle of the sun during the motion of the sun from the east to the west. Four photocells are arranged in the east, the south, the west and the north inside the hidden cylinder to precisely detect the offset angle and the elevation angle of the sun during the motion of the sun from the east to the west. One photocell is arranged at the center of the hidden cylinder to detect the optical intensity. Adopting a sensor which tracks the sun in a large range, the dished solar collector tracking device greatly improves tracking precision; taking a singlechip as the control core, the dished solar collector tracking device can be switched automatically among different tracking modes, thus realizing full-automatic tracking. The driving unit is simple in structure, compact in radial size and big in bearing capacity and is convenient to adjust.

Description

A kind of dish-shaped solar collector tracking means
Technical field:
The utility model relates to a kind of helioplant, relates in particular to a kind of device of the accurate tracking sun.
Background technology
Sun power is the constantly energy of variation of a kind of low-density, intermittence, space distribution, and this has just proposed very high requirement to the collection and the utilization of sun power.Although prior art works out a series of solar energy equipment such as solar water heater, solar dryer, solar cooker or the like in succession, the utilization of sun power also is nowhere near, and traces it to its cause, and mainly is that utilization factor is not high.With regard to present solar energy equipment, how to improve solar energy utilization rate to greatest extent, still be the research focus of Chinese scholars.Solar tracking system provides possibility for addressing this problem.No matter which kind of solar utilizing equipment, vertical if its energy-collecting device can remain with sunshine, and collect sunshine on more multi-direction, it just can collect more sun power in limited usable floor area.But the sun all is to move all the time, and if energy-collecting device want is collected the sunshine on more multi-direction, and that just must accurately follow the tracks of the sun, and the acceptance rate of receiver is improved greatly, and then the solar energy utilization ratio of raising solar energy equipment.
Little power consumption timing sun tracker that Chinese patent 02222766.0 proposes is to utilize the earth with the rule of rotation 15 degree per hour.Per 10 minutes drive stepping motor of micro computer are carried out angular setting one time to solar energy equipment, and each the driving adjusted 1 second consuming time.All the other time micro computers are in dormant state.Thereby between 9 o'clock to 18 o'clock every day, solar energy equipment is carried out the sun power conversion efficiency of 54 angular setting raising solar energy equipments.Be characterized in that circuit is simple, but because Various Seasonal sun set/raise time difference, the clock accumulated error constantly increases and can reduce the precision of this system in addition, and can not realize double-axis tracking fully, and solar energy utilization ratio is low.
Chinese patent 02293527.4 has proposed a kind of dish formula optically focused sun tracker, and it is by the butterfly condenser, and condenser support and driving control unit are formed.The butterfly condenser is by the reflective mirror group, and reflective mirror bracing frame and rotating shaft thereof are formed, and reflector bracket links by rotatable mechanism such as bearing and condenser support.The condenser support adopts truss-frame structure, is divided into three layers, and every layer node adopts steel ball structure.The shortcoming of this sun tracker is that physical construction is comparatively complicated, installs, dismantles inconvenient.
Chinese patent 200610028311.4 has proposed the used solar tracking steady arm of sunlight collecting system, its sun tracing method is: the photoresistance array is converted into electric current to the position of sun variation to be changed, and be defeated by control circuit, thereby the control motor rotates, and makes sunlight collecting system over against the sun.But this tracking does not consider to run into the situation that black clouds covers the sun, does not have arbitration functions round the clock, so tracker may produce wrong action, thereby makes tracking effect undesirable.
Summary of the invention
The purpose of this utility model is to design a kind of dish-shaped solar collector tracking means at the deficiency of prior art existence, adopts the sensor of following the tracks of the sun on a large scale, and tracking accuracy is greatly improved; And adopt single-chip microcomputer for the control core, and can under different tracing modes, automatically switch, realize automatic tracking sun; The structure of driving unit that adopts is simple, radial dimension is compact, load-bearing capacity is big, it is convenient to adjust measurement; Be equipped with solar panel in addition, can provide electric energy for tracking means in situation away from civil power, applied widely.
The technical solution of the utility model is as follows:
A kind of dish-shaped solar collector tracking means comprises photoelectric sensor, condenser, controller and driver element.Photoelectric sensor and solar panel are arranged on the condenser, and condenser is installed on the driver element, the signal wire access controller of photoelectric sensor, and the control line of controller connects driver element.Driver element comprises position angle driving mechanism and elevation angle driving mechanism.The utility model has designed a kind of photoelectric sensor of structure uniqueness, it is made up of a dark tube and 9 photoelectric cells, arrange 4 photoelectric cells respectively on the outside east of dark tube, south, west, north four direction, wherein photoelectric cell E, the G of the installation of thing symmetry are used for detecting roughly the position angle that the sun is moved westerly by east; The apparent altitude that photoelectric cell H, the F that north and south symmetry is installed is used for detecting roughly the sun is an elevation angle; On the inner east of dark tube, south, west, north four direction, also arrange 4 photoelectric cells respectively, photoelectric cell A, C that thing symmetry is installed are used for accurately detecting the deflection angle that the sun is moved westerly by east, and photoelectric cell B, the D that the north and south symmetry is installed is used for accurately detecting the apparent altitude of the sun; Dark tube center arrangement one photoelectric cell O is used to survey light intensity.Photoelectric cell A, G parallel connection, output voltage is designated as U APhotoelectric cell E, C parallel connection, output voltage is designated as U CPhotoelectric cell F, D parallel connection, output voltage is designated as U DPhotoelectric cell H, B parallel connection, output voltage are U B, output voltage U A, U CThe straight difference signal of access controller extracts circuit, output voltage U behind amplification, subtraction, addition, division arithmetic x, output voltage U B, U DThe straight difference signal of access controller extracts circuit, output voltage U behind amplification, subtraction, addition, division arithmetic y, U x, U yRepresent the situation of sunray respectively, deviation signal U at east-west direction and North and South direction deviation detector center xThe azimuth motor of control drive unit is followed the tracks of the sun on east-west direction.Deviation signal U yThe elevation angle motor of control drive unit makes condenser do luffing, adjusts the inclination angle of condenser, makes condenser follow the tracks of the sun in North and South direction, up to U X=0 and U y=0. promptly to measure the primary optical axis of tracking means parallel with sunray.
Described controller is made core component with single-chip microcomputer, also includes clock chip, signal conditioning circuit and motor-drive circuit.
The position angle driving mechanism of described driver element comprises azimuth motor, position angle worm screw, position angle worm gear, position angle rotating shaft and parallactic angle tracking platform, wherein angle motor, position angle worm screw, position angle worm gear and position angle rotating shaft place in the casing, respectively with a taper roll bearing, the position angle tracking platform is supported in the rotating shaft of position angle up and down in the position angle rotating shaft.The azimuth motor output shaft is connected with the position angle worm screw by shaft joint, position angle worm screw and position angle turbine engaged transmission, and the position angle turbine is anchored in the rotating shaft of position angle.
Described height driving mechanism comprises elevation angle motor, elevation angle worm screw, elevation angle worm gear, leading screw, guide screw hinge, hinge and fagging composition, back up pad is installed on the tracking platform of position angle by hinge, the elevation angle motor output shaft connects the elevation angle worm screw, elevation angle worm screw and elevation angle worm gear engaged transmission, there is screw elevation angle worm gear inside, by screw elevation angle worm gear and leading screw engagement, leading screw and back up pad be by guide screw hinge, bearing and position angle tracking platform wringing fit, thereby provide support for the elevation angle worm gear.When the elevation angle motor rotates, by elevation angle worm screw, worm gear moment is passed to leading screw, leading screw will promote back up pad and do the inclination angle that condenser is adjusted in luffing, make condenser follow the tracks of the sun in North and South direction.
Back up pad by hinge support on the tracking platform of position angle, fixing condenser on the back up pad.
At described position angle tracking platform right half part and surface level an angle is arranged, cause the relative surface level of leading screw to tilt.
On the tracking platform of position angle Spring balancer is installed, it is made up of packing ring, compression spring, pull bar, extension rod and urceolus.Pull bar top and back up pad do not need directly fixing, and be connected through the hinge with the extension rod lower end of back up pad, the extension rod upper end partly is fixed together with profile of tooth spline and back up pad, pull bar is fixedlyed connected with packing ring, compression spring places between packing ring and the urceolus top, urceolus and position angle tracking platform are rotationally connected with the P point, realize the balance of condenser pitch rotation.
On condenser, also be provided with solar panel, be the device power supply.
Compared with prior art, this sun tracker mainly contains following having a few:
1, in this tracking means, adopt four peripheral photoelectric cell (E of dark tube, F, G, H) carry out coarse positioning and follow the tracks of, be i.e. photoelectric cell (A, B in tube, C, D, in the time of O) can't capturing sunshine, four peripheral photoelectric cells also can produce voltage difference because sunray and dark tube optical axis are not parallel, controller rotates according to the voltage differences drive motor that produces, fall on the interior lights battery up to the solar focusing hot spot, the interior lights battery carries out fine positioning again to be followed the tracks of, parallel with the condenser optical axis up to sunray, the pressure reduction that the interior photoelectric cell of this moment light surround battery and tube produces is zero, the drive unit attonity.The dark tube of sensor has carried out effective shielding to jamming light source, and the outer photoelectric cell of dark tube departs from the primary optical axis of condenser and sunray and can bring into play function when far, has solved the influence to tracking effect such as black clouds, rainy weather, alternation of day and night.
2, adopt single-chip microcomputer as the control core, low price, powerful, and can realize that sensor is followed the tracks of and the regularly automatic switchover of tracking mode, it is higher to follow the tracks of efficient.
3, mechanical operating part adopts orientation-pitch mode, and the elevation angle variation range is big, realizes compact conformation easily; Worm screw, worm-gear drive ratio is big, and the energy self-locking performance is windproof, and tracking platform can not moved even upset by wind; The Spring balancer of design has been realized the balance of pitch rotation part.
The utility model is simple in structure, and is with low cost, reliable, and easy installation and removal is easy to promote.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 A is the sectional view of photoelectric sensor wherein;
Fig. 2 B is the vertical view of photoelectric sensor;
Fig. 3 is the structured flowchart of controller;
Fig. 4 is the schematic diagram of straight potential difference signal extracting circuit;
Fig. 5 is the tracking control algorithm FB(flow block).
Embodiment
Referring to Fig. 1, this tracking means mainly is made up of photoelectric sensor 1, solar panel 5, condenser 6, controller and several parts of driver element.Photoelectric sensor 1 and solar panel 5 are arranged on the condenser 6, and condenser 6 is installed on the driver element, the signal wire access controller of photoelectric sensor 1, and the control line of controller connects driver element; Driver element comprises position angle driving mechanism and elevation angle driving mechanism, and solar panel 5 is to the motor power supply of controller and driver element.
Photoelectric sensor 1 mainly is made up of with the consistent photoelectric cell of 9 piece performance parameters a dark tube, its concrete structure is seen Fig. 2 A and Fig. 2 B: dark tube 31 scattered beam and other stray light lines of environment to external world shields, and makes external interference light drop to lower to the influence of tracking effect.On dark tube 31 outside east, south, west, north four direction, arrange 4 photoelectric cells respectively; Wherein a pair of photoelectric cell (E, G) thing symmetry is installed in dark tube 31 outsides, is used for the position angle that the rough detection sun moves westerly by east; Another is installed in the dark tube outside to photoelectric cell (H, F) north and south symmetry, and the apparent altitude that is used for detecting roughly the sun is an elevation angle; In dark tube 31 inside, also arrange 4 photoelectric cells on east, south, west, the north four direction respectively; Wherein a pair of photoelectric cell (A, C) thing symmetry is installed in the inboard of dark tube 31, is used for accurately detecting the deflection angle that the sun is moved westerly by east; Another is installed in the inboard of dark tube 31 to photoelectric cell (B, D) north and south symmetry, is used for accurately detecting the apparent altitude of the sun, and the photoelectric cell O that is arranged on the center is used to survey light intensity, and switching for tracking mode provides foundation.Photoelectric sensor 1 is arranged on the condenser 6, rotates with condenser 6.
The principle of work of photoelectric sensor: with east-west direction (being the position angle) is example, and the elevation angle of supposing the sun is constant, and promptly the dark tube of hypothesis is aimed at the sun all the time in short transverse.When morning, the sun comes up in the east, therefore the light intensity (back) that the light intensity that photoelectric cell G receives (sunny side) receives greater than E was exported a differential wave and is given controller, and drive motor rotates tracking platform eastwards after treatment.In turning to definite accuracy, the sun departs from when not far, and the A in parallel with G begins to play a leading role, and makes dark tube accurately aim at the sun.When the sun westwards is offset, E and C work respectively and make platform follow the tracks of the sun westwards, cover the sun or rain and wait other reason to cause the sun to depart from when far away when running into cloud layer, the E search of carrying out in a big way that plays a leading role is followed the tracks of, and C slowly plays a leading role and carries out accurate tracking after certain precision.The tracking ultimate principle and the working method of elevation angle are similar with it.
Photoelectric cell A, G parallel connection, output voltage is designated as U APhotoelectric cell E, C parallel connection, output voltage is designated as U CPhotoelectric cell F, D output voltage in parallel is designated as U DPhotoelectric cell H, B parallel connection, output voltage are U BOutput voltage U A, U B, U C, U DOutput voltage U with center light battery O OThe straight difference signal that is input to controller respectively extracts circuit, and straight difference signal extracts circuit mainly by amplification, addition, and subtraction, the division arithmetic circuit is formed, and operational amplifier adopts LM324, referring to Fig. 4.Output voltage U A, U CThrough amplifying subtraction, addition, output voltage U behind the division arithmetic xOutput voltage U B, U DThrough amplifying subtraction, addition, output voltage U behind the division arithmetic y, U x, U yRepresent sunray respectively at east-west direction, the situation at North and South direction deviation detector center, deviation signal U xControlling party parallactic angle motor is followed the tracks of the sun on east-west direction.Deviation signal U yControl elevation angle motor makes condenser do luffing, adjusts the inclination angle of condenser, makes condenser follow the tracks of the sun in North and South direction, up to U x=0, U y=0 this moment tracking means primary optical axis 4 parallel with sunray.
Output voltage U according to center light battery O OSize judges that weather rain or shine changes, and follows the tracks of at the time standby sensor of fine day, when judgement is the cloudy day, adopt regularly and follow the tracks of, and the efficient of Gen Zonging like this, accuracy will increase substantially.
Referring to Fig. 3, controller mainly is made up of single-chip microcomputer 32, signal conditioning circuit 34, clock chip 35, motor-drive circuit 37a, 37b, power circuit 33, pilot lamp 36, jtag interface 38 etc.Controller selects for use low-loss, high-performance single-chip microcomputer C8051F020 to make core component, and 12 ADC, 64K byte FLASH storer are contained in its inside.Clock chip 35 adopts DS1302, and signal conditioning circuit 34 comprises that straight difference signal extracts circuit, filtering circuit, and motor-drive circuit 37a, 37b adopt step motor drive chip TA8435H.As control signal U x, U yAfter being input to controller process A/D conversion, controller will send instruction control elevation angle motor 11 and azimuth motor 24 reduces the direction rotation to deviation signal, finally realizes U x=0, U y=0. frequently rotates for fear of stepper motor, influences actual measurement, a given very little tolerance deviation pre-value, and in the scope of difference at pre-value of photoelectric sensor 1 output, single-chip microcomputer 32 not drive stepping motor rotates.
Single-chip microcomputer 32 reads clock chip 35 information, when to night (18:00) time tracking means is resetted, for tracking means provides basic point and avoided the cable winding.Software flow as shown in Figure 5.
The driver element of this tracking means has adopted the tracing mode of position angle-elevation angle, and the position angle driving mechanism is made up of azimuth motor 24, position angle worm screw 22, position angle worm gear 26, position angle rotating shaft 20, position angle tracking platform 19.Azimuth motor 24, position angle worm screw 22, position angle worm gear 26 and position angle rotating shaft 20 place in the casing 21, and respectively with a taper roll bearing 29 (a) and 29 (b), position angle tracking platform 19 is supported in the position angle rotating shaft 20 up and down in position angle rotating shaft 20.The output shaft 23 of azimuth motor 24 drives position angle worm screw 22 by shaft coupling 30, position angle worm gear 26 drives position angle rotating shaft 20, position angle rotating shaft 20 is rotated under the support of bearing, the tracking platform 19 that is fastened in the position angle rotating shaft 20 also rotates with position angle rotating shaft 20, realize the tracking of solar azimuth, azimuthal slewing area can reach ± 180 degree.
The elevation angle driving mechanism is made up of elevation angle motor 11, elevation angle worm screw 12, worm gear 10, back up pad 8 and leading screw 14 etc.Back up pad 8 is installed on the position angle tracking platform 19 by hinge 7, the output shaft of elevation angle motor 11 connects elevation angle worm screw 12, elevation angle worm screw 12 and elevation angle worm gear 10 engaged transmission, there is screw elevation angle worm gear 10 inside, by screw elevation angle worm gear 10 and leading screw 14 engagements, leading screw 14 is connected by guide screw hinge 9 with back up pad 8, bearing 13 and position angle tracking platform 19 wringing fits, thus provide support for elevation angle worm gear 10.When elevation angle motor 11 rotates, by elevation angle worm screw 12, worm gear 10 moment is passed to leading screw 14, leading screw 14 will promote back up pad 8 and do luffing, adjust the inclination angle of condenser 6, make condenser 6 follow the tracks of the sun in North and South direction.Leading screw 14 tilts and horizontal plane angle 65 degree, makes the variation range of elevation angle enough big like this, and the elevation angle variation range of this tracking means is 55 degree.
When North and South direction has error signal output, elevation angle motor 11 will drive elevation angle worm screw 12, worm gear 10 rotates, leading screw 14 will be done the linear telescopic motion this moment, promote to do luffing by the back up pad 8 that guide screw hinge 9 connects mutually with it, on elevation angle, follow the tracks of the sun, the error signal vanishing on North and South direction.
Position angle rotating shaft 20 is up and down respectively with a taper roll bearing 29 (a), 29 (b), be supported on respectively on casing 21 and the base 27, radial force, axial force and the upsetting moment of device are born by these two bearings 29 (a), 29 (b), and roller 28 is installed on the base 27, are convenient to moving of device.
In addition, Spring balancer is installed also on position angle tracking platform 19, it is made up of packing ring 17, compression spring 16, pull bar 18, extension rod MN and urceolus 15.Pull bar 18 tops and back up pad 8 do not need directly fixing, and be connected through the hinge with the extension rod MN lower end of back up pad, extension rod MN upper end partly is fixed together with profile of tooth spline and back up pad, pull bar 18 is fixedlyed connected with packing ring 17, compression spring 16 places between packing ring 17 and urceolus 15 tops, Spring balancer urceolus 15 can be swung around the axle that P is ordered, and whole Spring balancer is equivalent to a slider-crank mechanism.Spring force acts on the pitch rotation part of device by pull bar 18.The effect of Spring balancer is to balance gravitational torque and wind moment, realizes the balance of pitch rotation part.
Condenser 6 is fixed on the back up pad 8 by condenser support 2, and condenser 6 is a dish, and solar energy absorption plant support 3 is installed on it.
Solar panel 5 is conversion of solar energy an electric energy, can be used with accumulator, thereby provide electric energy for the work of whole device.This device can work independently under the situation that does not need civil power, and is applied widely.

Claims (6)

1, a kind of dish-shaped solar collector tracking means, comprise photoelectric sensor (1), condenser (6), controller and driver element, photoelectric sensor (1) and solar panel (5) are arranged on the condenser (6), condenser (6) is installed on the driver element, the signal wire access controller of photoelectric sensor (1), the control line of controller connects driver element; Driver element comprises position angle driving mechanism and elevation angle driving mechanism; It is characterized in that: described photoelectric sensor (1) is made up of a dark tube (31) and 9 photoelectric cells, arrange 4 photoelectric cells respectively on the outside east of dark tube (31), south, west, north four direction, wherein the photoelectric cell (E, G) of thing symmetry installation is used for detecting roughly the position angle that the sun is moved westerly by east; The photoelectric cell (H, F) that north and south symmetry is installed is used for detecting roughly the elevation angle of the sun; On the inner east of dark tube (31), south, west, north four direction, also arrange 4 photoelectric cells respectively, the photoelectric cell (A, C) that thing symmetry is installed is used for accurately detecting the deflection angle that the sun is moved westerly by east, and the photoelectric cell (B, D) that the north and south symmetry is installed is used for accurately detecting the elevation angle of the sun; Dark tube center arrangement one photoelectric cell (O) is used to survey light intensity; Described photoelectric cell (A, G) parallel connection, output voltage is designated as (U A); Photoelectric cell (E, C) parallel connection, output voltage is designated as (U C); Photoelectric cell (F, D) parallel connection, output voltage is designated as (U D); Photoelectric cell (H, B) parallel connection, output voltage is (U B), output voltage (U A, U C) the straight difference signal of access controller extracts circuit, output voltage (U behind amplification, subtraction, addition, division arithmetic x), output voltage (U B, U D) the straight difference signal of access controller extracts circuit, output voltage (U behind amplification, subtraction, addition, division arithmetic y), (U x, U y) represent that respectively sunray departs from the situation at photoelectric sensor center in east-west direction and North and South direction, deviation signal (U x) azimuth motor of control drive unit, make condenser on east-west direction, follow the tracks of the sun, deviation signal (U y) the elevation angle motor of control drive unit, make condenser follow the tracks of the sun, up to U in North and South direction x=0 and U y=0, promptly the primary optical axis of tracking means (4) is parallel with sunray.
2, dish-shaped solar collector tracking means according to claim 1, it is characterized in that: described controller is made core component with single-chip microcomputer (32), also includes clock chip (35), signal conditioning circuit (34) and motor-drive circuit (37a), 37b).
3, dish-shaped solar collector tracking means according to claim 1 and 2, it is characterized in that: the position angle driving mechanism of described driver element comprises azimuth motor (24), position angle worm screw (22), position angle worm gear (26), position angle rotating shaft (20) and position angle tracking platform (19), azimuth motor (24), position angle worm screw (22), position angle worm gear (26) and position angle rotating shaft (20) place in the casing (21), position angle rotating shaft 20 is up and down respectively with a taper roll bearing (29 (a), 29 (b)), position angle tracking platform (19) is supported in the position angle rotating shaft (20).
4, dish-shaped solar collector tracking means according to claim 1 and 2, it is characterized in that: the elevation angle driving mechanism of described driver element includes elevation angle motor (11), elevation angle worm screw (12), elevation angle worm gear (10), leading screw (14), guide screw hinge (9), hinge (7) and back up pad (8), back up pad (8) is installed on the position angle tracking platform (19) by hinge (7), elevation angle motor (11) output shaft connects elevation angle worm screw (12), elevation angle worm screw (12) and elevation angle worm gear (10) engaged transmission, there is screw elevation angle worm gear (10) inside, by screw elevation angle worm gear (10) and leading screw (14) engagement, leading screw (14) is connected by guide screw hinge (9) with back up pad (8), bearing (13) and position angle tracking platform (19) wringing fit, for elevation angle worm gear (10) provides support, fixing condenser (6) on the back up pad (8).
5, dish-shaped solar collector tracking means according to claim 4 is characterized in that: at described position angle tracking platform (19) right half part and surface level an angle is arranged, connected leading screw (14) surface level relatively tilts.
6, dish-shaped solar collector tracking means according to claim 3, it is characterized in that: on position angle tracking platform (19), Spring balancer is installed, it includes packing ring (17), compression spring (16), pull bar (18), extension rod (MN) and urceolus (15), the lower end N of pull bar (18) top and extension rod (MN) is connected through the hinge, the upper end M of extension rod (MN) uses profile of tooth spline and back up pad (8) partial fixing together, pull bar (18) is fixedlyed connected with packing ring (17), compression spring (16) places between packing ring (17) and urceolus (15) top, urceolus (15) is rotationally connected with the P point with position angle tracking platform (19), realizes the balance of condenser (6) pitch rotation.
CNU2008200974884U 2008-01-16 2008-01-16 Apparatus for tracking disc-shaped solar collector CN201149660Y (en)

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CN101969280A (en) * 2010-09-27 2011-02-09 江苏大学 Singlechip based solar cell automatic tracking device and control method thereof
CN101968656A (en) * 2010-09-27 2011-02-09 杭州科汀光学技术有限公司 Sun position tracking system sensor
CN101997449A (en) * 2009-08-13 2011-03-30 无锡昊阳新能源科技有限公司 Sun-tracking detector having wide-angle capturing and precise tracking functions
CN102541081A (en) * 2010-12-10 2012-07-04 比亚迪股份有限公司 Solar tracking photoelectric sensor and photovoltaic power generation system
CN102957343A (en) * 2011-08-23 2013-03-06 河南华晶光电科技有限公司 Full-automatic solar energy tracing system
CN103034248A (en) * 2012-12-14 2013-04-10 长安大学 Sun tracking detection device made of compound convex lens combined with four-quadrant photoreceptor
CN103513662A (en) * 2013-09-24 2014-01-15 青岛科技大学 Sunlight automatic tracking system
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CN104020790A (en) * 2014-05-12 2014-09-03 南昌大学 Double-shaft hydraulic-type panorama solar automatic tracking device
CN104252181A (en) * 2013-06-28 2014-12-31 王又增 Step type angle modulator of photovoltaic panels
CN104597914A (en) * 2015-01-28 2015-05-06 周正英 Solar tracking system
CN105066484A (en) * 2015-07-23 2015-11-18 河海大学常州校区 Device and method for measuring radiation intensity of surface of metal pipe in trough type solar heat collector pipe
CN105091369A (en) * 2014-05-15 2015-11-25 杭州三花研究院有限公司 Disk-type solar energy utilization system and control method thereof
CN105116927A (en) * 2015-09-01 2015-12-02 河北工大太阳能设备有限公司 Disc type solar directional tracking device
CN105577091A (en) * 2015-12-23 2016-05-11 华北水利水电大学 Connecting rod type automatic solar tracking device
CN105790693A (en) * 2016-05-09 2016-07-20 严松法 Double-freedom-degree sun tracker
CN106288442A (en) * 2016-08-31 2017-01-04 北京天何太阳能研究所 Dish-style cumulative support and dish-style cumulative mirror
CN106598088A (en) * 2016-12-26 2017-04-26 厦门市和奕华光电科技有限公司 Automatic sun tracking system, sun tracking method and illumination system
CN111271673A (en) * 2020-03-23 2020-06-12 建德林欣新能源科技有限公司 Steering solar street lamp with protection function

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CN101997449A (en) * 2009-08-13 2011-03-30 无锡昊阳新能源科技有限公司 Sun-tracking detector having wide-angle capturing and precise tracking functions
CN101833339B (en) * 2010-06-21 2013-04-10 李跃盛 Universal-type solar real-time automatic tracking control system based on microcomputer
CN101833339A (en) * 2010-06-21 2010-09-15 李跃盛 Universal-type solar real-time automatic tracking control system based on microcomputer
CN101968656A (en) * 2010-09-27 2011-02-09 杭州科汀光学技术有限公司 Sun position tracking system sensor
CN101969280A (en) * 2010-09-27 2011-02-09 江苏大学 Singlechip based solar cell automatic tracking device and control method thereof
CN101969280B (en) * 2010-09-27 2013-10-23 江苏大学 Singlechip based solar cell automatic tracking device and control method thereof
CN102541081B (en) * 2010-12-10 2014-12-17 比亚迪股份有限公司 Solar tracking photoelectric sensor and photovoltaic power generation system
CN102541081A (en) * 2010-12-10 2012-07-04 比亚迪股份有限公司 Solar tracking photoelectric sensor and photovoltaic power generation system
CN102957343A (en) * 2011-08-23 2013-03-06 河南华晶光电科技有限公司 Full-automatic solar energy tracing system
WO2014029254A1 (en) * 2012-08-22 2014-02-27 湘潭电机股份有限公司 Solar tracking method and tracking system for dish solar thermal power generation system
CN103034248A (en) * 2012-12-14 2013-04-10 长安大学 Sun tracking detection device made of compound convex lens combined with four-quadrant photoreceptor
CN103034248B (en) * 2012-12-14 2015-04-15 长安大学 Sun tracking detection device made of compound convex lens combined with four-quadrant photoreceptor
CN104252181A (en) * 2013-06-28 2014-12-31 王又增 Step type angle modulator of photovoltaic panels
CN103513662A (en) * 2013-09-24 2014-01-15 青岛科技大学 Sunlight automatic tracking system
CN104020790A (en) * 2014-05-12 2014-09-03 南昌大学 Double-shaft hydraulic-type panorama solar automatic tracking device
CN105091369A (en) * 2014-05-15 2015-11-25 杭州三花研究院有限公司 Disk-type solar energy utilization system and control method thereof
CN104597914A (en) * 2015-01-28 2015-05-06 周正英 Solar tracking system
CN105066484B (en) * 2015-07-23 2017-03-15 河海大学常州校区 Metal tube surface radiant intensity measurement device and method in groove type solar thermal-collecting tube
CN105066484A (en) * 2015-07-23 2015-11-18 河海大学常州校区 Device and method for measuring radiation intensity of surface of metal pipe in trough type solar heat collector pipe
CN105116927A (en) * 2015-09-01 2015-12-02 河北工大太阳能设备有限公司 Disc type solar directional tracking device
CN105116927B (en) * 2015-09-01 2018-06-22 河北工大太阳能设备有限公司 Disc type solar energy directed tracing device
CN105577091A (en) * 2015-12-23 2016-05-11 华北水利水电大学 Connecting rod type automatic solar tracking device
CN105790693A (en) * 2016-05-09 2016-07-20 严松法 Double-freedom-degree sun tracker
CN106288442A (en) * 2016-08-31 2017-01-04 北京天何太阳能研究所 Dish-style cumulative support and dish-style cumulative mirror
CN106598088A (en) * 2016-12-26 2017-04-26 厦门市和奕华光电科技有限公司 Automatic sun tracking system, sun tracking method and illumination system
CN106598088B (en) * 2016-12-26 2019-09-10 厦门市和奕华光电科技有限公司 A kind of sun automatic tracking system, the method and lighting system for tracking the sun
CN111271673A (en) * 2020-03-23 2020-06-12 建德林欣新能源科技有限公司 Steering solar street lamp with protection function

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