CN1789858A - Multi-mirror reflecting and gathering solar heat collector - Google Patents

Multi-mirror reflecting and gathering solar heat collector Download PDF

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Publication number
CN1789858A
CN1789858A CNA2004101040799A CN200410104079A CN1789858A CN 1789858 A CN1789858 A CN 1789858A CN A2004101040799 A CNA2004101040799 A CN A2004101040799A CN 200410104079 A CN200410104079 A CN 200410104079A CN 1789858 A CN1789858 A CN 1789858A
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level crossing
link
reverberation
sight
font
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周继人
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking

Abstract

This invention relates to one heat collection device with multiple lens in solar collection technique field, which Uses plane lens as reflection lens to form lens reflection lens unit, wherein, the automatic control reflection lens lines are fixed to the high tower in center to absorb heat and to heat up medium; Multiple lens reflection units form array to reflect each position collected heat into one position element to get one strong solar collection utility system.

Description

Multi-mirror reflecting and gathering solar heat collector
Affiliated technical field
The invention belongs to technical field of solar utilization technique, the present invention relates to a kind of a plurality of plane mirror reflected solar energy, optically focused to one is above the fixing endothermic tube group, the device of the operation material of heating tube group the inside.Especially can lock within reflection ray to the fixing size range of each reflective mirror.Reach the optically focused endothermic effect.
Background technology
At present, the method for utilizing of known solar energy has two kinds, and a kind of is to utilize photocell directly the light wave of some wavelength in the sunlight to be directly changed into electric energy.Second method is that transform light energy is become heat energy, and row utilizes again.The method of first kind of utilization is because the manufacturing process complexity of battery, the cost of manufacturing too high (1～2 dollar more than every watt), and the utilization rate of luminous energy low (8%～20%) can extensively not promoted the use of always.The present embodiment of method of utilizing of second kind of luminous energy is to utilize the glass-vacuum tube heat absorption to add hot water, mainly is used as the solar water heater of family.Another embodiment is to use parabolic reflector, solar ray collecting to a zonule heating working medium, promotes prime mover, and the acting generating converts electric energy to.Because of the complicated difficulty of paraboloidal manufacturing process, the area of minute surface is restricted, and the difficulty of tracking technique is bigger, and it is big to make big parabolic lens rotate power consumption, and institute is so that the practical application of this scheme is difficult to popularization.The cost of making is excessive, has limited the large-scale application of solar energy, allows this inexhaustible clean energy resource waste.
According to network information, light " solar tower " is built in Australia's decision, 1000 meters of tower heights, the bottom is the discoid thermal-collecting tube of 7000 meters of diameters, utilizes the solar energy heating air, forms high velocity air, promote turbine and produce electric power, the investment of this scheme is quite huge, and generated energy is estimated as 200 megawatts, and the cost of the unit capacity that visible this method is built is quite high.
The groove type solar heat collecting method also because paraboloidal manufacturing cost is too high, is promoted the use of and be difficult to reality.
Summary of the invention
Utilize scheme to make parabolic complex process, dimension-limited system, shortcoming that the unit capacity manufacturing cost is high in order to overcome existing solar energy, the invention provides the scheme that a kind of solar energy utilizes, i.e. multi-mirror reflecting and gathering solar heat collector.This device is made up of extinction thermal-arrest unit, level crossing reflecting unit.The reflective mirror level crossing of level crossing reflecting unit, low cost of manufacture, and can realize modular production, every cover reflecting condensation endothermic system can expand hundreds of thousands square metre even bigger construction scale to.By design unique control device and guiding mechanism, make sunshine project the reverberation of minute surface, be locked in a direction all the time.Project on the endothermic tube assembly of 1.5 times extinction thermal-arrest unit of the area that is equivalent to minute surface.So the endothermic tube assembly can be installed in the aerial a certain zonule, the reflective mirror that receives several unit throws the reverberation of coming, and obtains very huge luminous energy, is converted into heat energy, promotes prime mover acting generating.
The technical scheme that technical solution problem of the present invention is adopted is:
Geographic center position at this covering device, a height is set is 10 meters to 50 meters extinction thermal-arrest pylon (selecting the height of pylon by the size of scale), forming extinction thermal-arrest pylon by pylon, metal and glass combined solar vacuum tube, working medium tube is extinction thermal-arrest unit.Below pylon ground around, install a plurality of level crossing reflecting units, utilize the level crossing reflecting unit to control function automatically, automatically lock reflection ray, shine on the heat absorbing units, to reach the purpose of reflecting condensation.The installation of level crossing reflecting unit should be arranged by certain height, forms as football field and spectators' platform thereof, and is middle low, high all around, helps typhoon protection like this.The core parts of this device are: the level crossing reflecting unit, mainly form by level crossing, level crossing pedestal, spherical joint, reverberation locking sight, control circuit.Control circuit includes coarse adjustment and two links of fine tuning, the coarse adjustment link can make its reflected ray lock sight over against reverberation the level crossing incidence angle is adjusted to greater than the sunray at β angle, the fine tuning link is to the further fine tuning of reverberation, thus the direction of " locking " reflection ray.This utilizes the feature of the scheme of solar energy to be: the fixing unit that absorbs heat, utilize level crossing, and the level crossing reflecting unit is controlled automatically, and the locking reflection ray shines on the heat absorbing units, to reach the purpose of reflecting condensation.Because of the few cost of manufacturing process component kind simple, that use of level crossing reflecting unit is low, so realize that the bodge construction cost of this programme is low.
The structural scheme of plane mirror is: plane mirror (about 1m 2) the center of gravity position be stained with and be attached to above the level crossing fixed mount with the two-sided blob of viscose of being stained with, the level crossing fixed mount has the universal spherical joint, a main location universal spherical joint is wherein arranged, be fixed on the main steady arm of certain altitude, the other end of main steady arm is fixed on the pedestal, as the center of rotation point, be initial point with this fulcrum.Two auxiliary universal spherical joint support points are respectively arranged on X-axis and Y direction, and each auxiliary universal spherical joint links to each other with a connecting rod that can stretch separately, and the TOE of connecting rod links to each other with the gear of band inner nut, and gear links to each other with the pot bar of small size motor.Pot bar and dc small motor are formed the guiding mechanism that rotating is controlled.Each guiding mechanism is connected with automatic controller by cable.The fulcrum and the pedestal of guiding mechanism are hinged, one of them fulcrum can be swung to X-direction, the fulcrum of another guiding mechanism can be to the direction swing of Y-axis, by the guiding mechanism on the control both direction axle, control connecting rod flexible of two auxiliary universal sphericals joints, thereby level crossing is rotated along the direction of X-axis and Y-axis, adjust the direction of level crossing, to reach the purpose of adjusting solar reflection optical line aspect.About 10cm place directly over the universal spherical joint of the main location of level crossing, reverberation locking sight is fixed on the fixed support of " T " font, and the locking sight is aimed at the center of the endothermic tube assembly of extinction thermal-arrest unit.The locking sight links to each other with automatic tracking controller by cable.Automatic tracking controller is contained in the insulation crust, is fixed on the pedestal.Utilize simple, circuit design cleverly, make reflection ray all the time fixed-direction be mapped on the endothermic tube assembly.Reach the purpose of the plane reflection light of " locking " sunshine.Several even tens thousand of flat mirror reflects optically focused are combined like this, have formed the effect of extensive focus utilization solar energy.For utilizing sunshine that a scheme that low cost is used on a large scale is provided on a large scale.At present, the scheme that belongs to domestic and international technological precedence.
The invention has the beneficial effects as follows:
Used level crossing, level crossing reflecting unit manufacture craft is simple, and cost is very low, and the control rotating torque is little, thus when work consumable energy little; Use the extinction thermal-arrest unit of fixed position, helped manufacturing extensive focus utilization form; Electric elements kind in the automatic control unit is few, and cost is low; Control circuit adopts thick, thin tuning, twin-stage adjustment control, the accuracy height of reverberation locking control; Thick, the fine control link of circuit adopts phase inverter and forms the logic comparing element with door, effectively prevents the interference of factors such as cloud, day the moon.Above several aspects have determined device of the present invention to utilize the bodge construction cost of solar energy all much lower than other any scheme, work reliably higher.It is low-cost one of the advanced approach of solar energy of utilizing on a large scale.
Description of drawings
Below in conjunction with drawings and Examples this device is further specified.
Fig. 1 is the total figure of each unit relation of device of the present invention.
Fig. 2 is that routine structural map is executed in one of extinction thermal-arrest unit.
Fig. 3 is embodiment structural map of level crossing reflecting unit.
Fig. 4 is the drawing of guiding mechanism in the level crossing reflecting unit.
Fig. 5 is the electrical schematic diagram of the coarse adjustment link of level crossing reflecting unit middle controller.
Fig. 6 is the electrical schematic diagram of the fine tuning link of level crossing reflecting unit middle controller.
Fig. 7 is the dc motor control principle figure of level crossing reflecting unit middle controller.
Fig. 8 is the structural map of the locking sight of level crossing reflecting unit middle controller.
Fig. 1 is the total figure of each unit relation of device of the present invention.
Among Fig. 1, level crossing reflecting unit (1) is formed n row, the level crossing reflecting unit array that m is capable.When sunshine (directional light) shines on each level crossing reflecting unit, the level crossing reflecting unit utilizes its automatic control function, reflection ray is projected above the thermal-arrest unit block (4), as incident ray among the figure (6), also can reflection ray be projected above (4) through the reflection of this level crossing reflecting unit.In like manner, other each level crossing reflecting unit all simultaneously the sunshine that is radiated on self minute surface, projects above (4), has formed the effect of reflective optically focused.The pylon of Taper Pipe shape (2) is being supported light harvesting endothermic tube group (4), and the height of pylon can specifically be selected the size of height for use for arbitrarily highly, decide by the scale of building the solar energy utilization, and can be 5m, also can be 50m.Pipe (3) is arranged in tubular in one, form the passage of working medium turnover thermal-collecting tube assembly with pipe in another of offside.Fill up insulation material between the inner and outer pipes.Because locking reflection ray direction has certain error, the area of extinction thermal-collecting tube assembly is bigger 1.5 to 2 times than the area of level crossing.For windproof, the layout of the level crossing reflecting unit around the pylon is suitable middle low, high all around.Shape such as big football field and spectators' platform, but construction of buildings also can utilize the terrace of the groups of building of unified design to realize this layout as the shelves brattice on every side.
Fig. 2 is that routine structural map is executed in one of extinction thermal-arrest unit.
(1) is the hollow Taper Pipe of cone-shaped among the figure, and insulation material (2) is arranged in the pipe, working medium tube (3), and pipe (3) links to each other with collector (6), and collector (6) links to each other with the vacuum tube (7) that metal and glass are formed.(4) be the outer tube (glass tube) of metal and glass combination vacuum tube, another semicanal tower of pipe (3) and offside, formed working medium upper and lower (into and out of) extinction thermal-collecting tube group.The extinction thermal-collecting tube assembly of this figure is mounted to the plane, also can be mounted to " V " font.
Fig. 3 is an embodiment of level crossing reflecting unit:
Among Fig. 3, level crossing (1) links to each other with pedestal (4) by tacky on two sides piece (3), a spherical joint of universal main shaft (5) is arranged below the pedestal (4), be initial point with the spherical joint of universal main shaft (5), North and South direction is as Y-axis, east-west direction is as X-axis, an auxiliary sphere joint that rotates is respectively arranged on the two axial lines, auxiliary spherical joint (2) on the Y direction, auxiliary spherical joint (20) on the X-direction, spherical joint can rotate to all directions, and the bulb of the spherical joint of main shaft is fixed on the spindle post (7), and spindle post (7) is fixed on the pedestal (8).The bulb of the sphere joint on the Y direction links to each other with the pot wheel nut of guiding mechanism (6) by the full tooth gong rasp bar of φ 8, and guiding mechanism (6) links to each other with cylinder one end of φ 8, the other end of cylinder and pedestal hinge joint, and anchor point can only be swung to North and South direction.The bulb of the auxiliary spherical joint (20) on the X-direction links to each other with the full pitch thread bar (9) of φ 8, upper limit pushing block (10) and lower limit pushing block (13) are arranged on the screwed pipe, governor motion on the X-axis (11) each side up and down has a limit switch (12) respectively, the contact of limit switch belongs to normally-closed contact, governor motion on the X-axis (11) links to each other with cylinder one end of φ 8, the other end of cylinder and pedestal hinge joint, anchor point can only be swung to east-west direction.An automatic controller (17) is arranged on the pedestal, link to each other with guiding mechanism, link to each other with locking sight (16) by cable (18) by cable (14).(19) be the incident ray of sunshine.
Fig. 4 is the drawing of the guiding mechanism of level crossing reflecting unit:
Among Fig. 4, regulate threaded rod (1) with φ 8 full tooth screw rods, with the internal thread interlock mutually at pot wheel (3) center, worm gear is limited at the interior rotation of groove-shaped frame, thereby makes screw rod displacement up or down, reaches the purpose of the direction of adjusting level crossing.Worm gear (3) is mutually meshing with worm screw (4), and worm screw (4) links to each other with the rotating shaft of little dc motor (6), and (5) are that small machine is positioned at fixed block on the groove-shaped frame.By primary screw, the two is linked to each other.
Such guiding mechanism has two, and one is positioned on the Y direction, on the direction that is positioned at X-axis.Y direction is consistent with North and South direction, and X-direction is consistent with east-west direction.It is normally closed limit switch that a contact is respectively installed on the upper and lower edge of the groove-shaped frame of the guiding mechanism on X-direction, and when the limited block on the worm screw touched limit switch, normally-closed contact disconnected, thereby disconnects the J in the accompanying drawing 7 1Or J 2The point.
Accompanying drawing 5, accompanying drawing 6, accompanying drawing 7 are electrical schematic diagrams of automatic controller.
The characteristics of this circuit are: the component kind of use is few.Debugging is simple, as long as regulate the luminous intensity that is subjected to of photosensitive tube, promptly adds shading mirror, and other need not be debugged substantially.Applicable performance is good, fine influence when cloudy when not being subjected to sunlight.As long as locked reflectively, controller just is not affected and misoperation with rain or shine variation.Good reliability, cost are very low.
R1 to R12 among the figure, R17 to R28 all is small resistors of 10K resistance, R13, R14, R15, R16 are the resistance of 5K resistance, R29, R30, R31, R32 are 5K Ω resistance resistance, A1, A2, A3, A4, B1, B2, B3, B4 are respectively that photodiode (can be used model: 2AC38), f1～f8 is a phase inverter, and Y1 to Y8 is two inputs and door, phase inverter CD4069; Import and door with CD4081 four or two with door; T1, T3, T5, T7, T9, T11, T13, T15 C1815 triode, T2, T4, T6, T8, T10, T12, T14, T16 C2383 triode; Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8 are DC relay, and model is JZC-23F (4123), DC12V; K1, K2, K3, K4, K5, K6, K7, K8 are the light idols, can adopt model to be: P621.
Fig. 5 is the electrical schematic diagram of the coarse adjustment link of level crossing reflecting unit middle controller
Among Fig. 5, A1, A2, A3, A4 are installed in the lock light sight, photodiode as the coarse adjustment link, A1 and R1, A2 and R2, A3 and R3, A4 links to each other respectively with R4, resistance one terminates on the positive pole of power supply, and the other end of photodiode is received on the negative pole of power supply, the positive ends of A1 and phase inverter f1 with link to each other with door Y2, the output of f1 links to each other with input with door Y1, the positive ends of A2 and phase inverter f2 with link to each other with door Y1, the output of f2 links to each other with input with door Y2, links to each other with triode T1 base stage with the output of door Y1.Colelctor electrode and the R5 of T1 join, R5 receives the positive pole of power supply, the emitter stage of T1 connects the base stage of T2, the colelctor electrode of T2 connects the positive pole of power supply, and the emitter stage of T2 connects the end of DC relay Z1, the negative pole of another termination power of DC relay Z1, the two ends of Z1 light even summation resistance in parallel, one of light idol switch-side terminates to an end of resistance R 6, the positive pole of another termination power of R6, the emitter stage of another termination T1 of light idol switch-side.At this, the effect of light idol K1 is: when the T2 conducting, there is potential difference at the Z1 two ends, and when Z1 reached action, potential difference was relevant to the voltage of power end, the light emitting diode of K1 inside is bright, make the offside photosensitive tube logical,, the conducting electric current of T1 is increased R5 in the R6 parallel connection, thereby the degree of saturation of T2 is strengthened, prevented the oscillatory occurences of Z1 when being in critical operation voltage value.
The positive ends of photodiode A1 links to each other with button AN one end, and the other end of AN links to each other with power cathode, and the effect of AN is as the involution every morning level crossing on the X-direction eastwards.AN can replace with the normally opened contact of a time controller.The connection of photodiode A2 is connected except that a few button AN with A1's, and the principle of other connection and A1 is identical, and the parameter of element also requires basic identical.In like manner, the connection of photodiode A3, A4 and the catenation principle of A1 are except that a few button AN, and the connection of other parts and the principle of A1 are identical.
A1 and A2 are as the photo-sensitive cell of X-direction on the coarse regulation link, and A3 and A4 are as the photo-sensitive cell of Y direction on the coarse regulation link.
Fig. 6 is the electrical schematic diagram of the fine tuning link of level crossing reflecting unit middle controller
Among Fig. 6, photodiode B1, B2, B3, B4 are installed in the lock light sight, photodiode as the fine tuning link, B1 and R17, B2 and R18, B3 links to each other respectively with R20 with R19, B4, receive on the positive pole of power supply, the positive ends of B1 and phase inverter f5 with link to each other with door Y6, the output of f5 links to each other with input with door Y5, links to each other with triode T9 base stage with the output of door Y5.Colelctor electrode and the R21 of T9 join, R21 receives the positive pole of power supply, the emitter stage of T9 connects the base stage of T10, the colelctor electrode of T10 connects the positive pole of power supply, and the emitter stage of T10 connects the end of DC relay Z5, the negative pole of another termination power of DC relay Z5, the two ends of Z5 light even summation resistance branch in parallel, one of light idol switch-side terminates to an end of resistance R 22, the positive pole of another termination power of R22, the emitter stage of another termination T9 of light idol switch-side.At this, the effect of light idol K5 is: when the T10 conducting, there is potential difference at the Z5 two ends, and when Z5 reached action, potential difference was equivalent to the voltage of power end, the light emitting diode of K5 inside is bright, make the offside photosensitive tube logical,, the conducting electric current of T10 is increased R22 R21 in parallel, thereby the degree of saturation of T10 is strengthened, prevented the oscillatory occurences of Z5 when being in critical operation voltage value.The catenation principle of B2, B3, B4 is fully identical with the catenation principle of B1.
B1 and B2 are as the photo-sensitive cell of X-direction on the fine control link, and B3 and B4 are as the photo-sensitive cell of Y direction on the fine control link.
A1, A2 are paired, as the photo-sensitive cell of the reflection ray on the east-west direction of coarse adjustment link, correspond to the forward and backward of the direct-flow small motor M1 of the guiding mechanism of control on the east-west direction, thereby make the screw rod upper and lower displacement on the X-direction of level crossing.The adjustment principle of displacement is: when reverberation shines A1, and when A2 does not experience illumination, the A1 conducting, not conducting of A2, thus make phase inverter Y1 output high potential, and phase inverter Y2 exports electronegative potential, T1, T2 conducting, T3, T4 end, the Z1 action, Z2 is failure to actuate, the Z1-1 normally opened contact that closes, and motor rotates, at this moment, the rotation of motor must make the adjustment screw displacement, and the minute surface of level crossing and A1 homonymy is moved down, and so just can make reflection ray trend towards shining the A2 photosensitive tube.When A1 and A2 were subjected to illumination, the output of phase inverter Y1 and Y2 was low level, T1, T2, T3, all not conductings of T4, and Z1 and Z2 are failure to actuate, and make to adjust convergence.Shine A2 otherwise work as reverberation, when A1 does not experience illumination, the Z2 action, Z1 is failure to actuate, motor M 1 counter-rotating.When in like manner, photodiode A3 and A3 are paired, and as the photo-sensitive cell of (being Y-axis) control on the coarse adjustment link North and South direction, the operation principle that operation principle and A1, A2 adjust in pairs is identical.A1, A2, A3, A4 are as coarse adjustment, and it can carry out effective adjustment to the incident light that becomes the above scope in β angle (shown in the accompanying drawing 8) with primary mirror, and minute surface is rotated, and reverberation is drawn in over against the direction of lock light sight.Then, B1, B2, B3, B4 photosensitive tube work, and further the angle of level crossing are carried out fine tuning, B1, and B2, B3, B4 photosensitive tube and the element that is connected thereof play level crossing are carried out meticulous adjustment, make the reflected ray directional precision of mirror more accurate, the locking reverberation.
Fig. 7 is the dc motor control principle figure of level crossing reflecting unit middle controller
Among Fig. 7, Z1-1 represents the normally opened contact of relay Z1, Z1-2 represents normally-closed contact, Z2-1, Z3-1, Z4-1, Z5-1, Z6-1, Z7-1, Z8-1 represent the normally opened contact of relay Z2, Z3, Z4, Z5, Z6, Z7, Z8 respectively, and Z2-2, Z3-2, Z4-2, Z5-2, Z6-2, Z7-2, Z8-2 represent normally-closed contact respectively.J1 represents the lower position switch normally-closed contact, and J2 represents the normally-closed contact of upper limit position switch.The positive pole of power supply is received the end of upper limit position switch J2, Z2--2, the other end of J2 is received relay Z1-2, Z5-2, Z6-2, Z1-2, Z5-2 are connected with a utmost point of motor M 1 after through normally-closed contact separately, and Z2-2, Z6-2 are connected with another utmost point of M1 through normally closed point.The negative pole of power supply and relay Z2-1, J1 join, and the end with motor M 1 behind the Z2-1 process normally opened contact joins, and the other end of limit switch J1 and Z1-1, Z5-1, Z6-1 join.The positive pole of power supply is received the end of Z3-2, Z4-2, Z7-2, Z8-2, and behind normally closed point separately, Z3-2, Z7-2 receive the end of M2, and Z4-2, Z8-2 receive the other end of motor.The negative pole of power supply connects the end of Z3-1, Z4-1, Z7-1, Z8-1 respectively.
The control of direct current generator M1 electricity principle (east-west direction) is: when sunshine with respect to the incidence angle of level crossing during more than or equal to the β angle, enter adjustable range, the photodiode A1 of the coarse adjustment link on the X-direction is subjected to light, make Z1 action among Fig. 5 Z1-1 that closes, threaded post among Fig. 3 (9) is to top offset, reflection ray trends towards shining A2, when A2, A1 all are subjected to the light time simultaneously, Z1 is failure to actuate, but at this moment, drawn in the adjustable extent of fine tuning, B1 is subjected to illumination, the Z5 action Z5-1 that closes, M1 further adjusts level crossing.When following afternoon during extreme position, the J1 action, normally closed point becomes disconnection, stops to follow.When Z2, Z6 move, toward the rightabout adjustment.AN among Fig. 5 can replace with the normally opened contact of timer, uses as the every morning involution.
The electric principle of M2 control and M1's is basic identical.
Fig. 8 is the structural map of the lock light sight of level crossing reflecting unit middle controller
(1) is square cone among the figure, can make of materials such as square aluminum pipes, and " cross " shape angle aluminium (3) is divided into four intervals to square tube.The upper end of square tube (bottom) sealing, lower end (front end) printing opacity can add the printing opacity filter glass, weakens light intensity.Photodiode A1, A2, A3, A4 are installed in the lower end of square tube mouth, A1 and A2 pairing, A3 and A4 pairing, be installed on two blocks of frequency modulated light plates of rectangular mutually " ten " font, B1, B2, B3, B4 are installed in the bottom B1 and the B2 pairing of square tube, B3 and B4 pairing are installed on other two blocks of frequency modulated light plates of rectangular mutually " ten " font.The sensitive spot that is subjected to light is only stayed in the blacking of photodiode black part.Photodiode A1 and A2, A3 and A4 are close as far as possible, and the approach angle aluminium block.B1 and B2, B3 and B4 are close as far as possible, and A1 and B1, A2 and B2, A3 and B3, A4 and B4 are positioned at the same side of " cross " shape plate washer.If the coarse adjustment angle is α, then B1, B2, B3, B4 are installed in the α angle.
If the length of side of level crossing (diameter) is 2R, photodiode A1, the A2 of coarse adjustment link, A3, A4 are H from the distance of level crossing, the interior length of side of square cone is that 2a photodiode A1, A2, A3, A4 are h from the degree of depth of square shading nozzle, tg β=h/a, then photodiode A1, A2, A3, A4 must satisfy from the distance H of level crossing: H＜R*tg β.

Claims (4)

1 one kinds of multi-mirror reflecting and gathering solar heat collectors, it is characterized in that: a plurality of level crossing reflecting units are arranged, each level crossing reflecting unit can be a run-on point with the position, center (center of gravity) of mirror, rotate up and down along thing and north and south both direction, the position of rotating is controlled by an automatic controller, all the time the reflection ray that makes the sunshine that projects each level crossing is the directive locking sight direction of aiming at fixedly, each lock light sight is aimed at the center of the endothermic tube assembly of extinction thermal-arrest unit, thereby, a plurality of level crossing reflecting units are reflexed to sunshine on the endothermic tube assembly of extinction thermal-arrest unit of center simultaneously; A plurality of level crossing reflecting units are formed large-scale array, large-area sunshine are reflexed on the endothermic tube group of extinction thermal-arrest unit, form the effect of utilizing solar energy on a large scale.
A kind of level crossing reflecting unit that the described device of 2 claims (1) is necessary, it is characterized in that: use plane mirror, directly over the center of level crossing, a locking sight is arranged, the central point of aiming extinction thermal-collecting tube assembly, the locking sight links to each other with controller by cable, level crossing links to each other with the pedestal of level crossing by tacky on two sides, the pedestal of level crossing has three support points, main support point and two auxiliary support points below central point that is positioned at mirror, main support point supports that with main pillar links to each other by a universal ball joint, main support pillar is fixed on the pedestal, two auxiliary support points link to each other with auxiliary universal ball joint respectively, the bulb of auxiliary universal ball joint links to each other with adjuster by screw rod, and on pedestal, can only swing along X-direction by the connecting rod of the adjuster on the X-direction by rod hinge connection for adjuster, the connecting rod of the adjuster on the Y direction can only be swung along Y direction, and adjuster links to each other with automatic controller by cable.
A kind of automatic controller that the described device of 3 claims (1) is necessary, it is characterized in that: coarse adjustment link and fine tuning link by the accommodation reflex radiation direction are formed, the coarse adjustment link locks four photodiodes of sight front end as photo-sensitive cell by being installed in reverberation, form two pairs, be installed on the two boards on phase mound of frequency modulated light plate of " ten " font, the frequency modulated light plate of " ten " font and the thing of the earth, the North and South direction correspondence, each photodiode and a resistance composition have the voltage sampling link of " switch " electric circuit characteristic, reverberation light and shade on the four direction is become the signal of the height of voltage, input is by four phase inverters and four logic comparator circuits of forming with door, by logic relatively, the adjuster of " X-direction " obtains the signal of three kinds of states: just change, counter-rotating, stop, thereby regulate the adjuster action of " X-direction ", regulate level crossing and rotate around " Y-axis "; In like manner: the fine tuning link locks four photodiodes of sight rear end as photo-sensitive cell by being installed in reverberation, form two pairs, be installed on other two blocks of frequency modulated light plates on phase mound of frequency modulated light plate of " ten " font, each photodiode and a resistance composition have the voltage sampling link of " switch " electric circuit characteristic, reverberation light and shade on the four direction is become the signal of the height of voltage, input is by four phase inverters and four logic comparator circuits of forming with door, by logic relatively, the adjuster of " Y direction " obtains the signal of three kinds of states: just change, counter-rotating, stop, thereby regulate the adjuster action of " Y direction ", regulate level crossing and rotate around " X-axis "; By the automatic control on " X-axis and Y-axis " both direction, regulate direction that directive " ten " font plate washer aim at the angle of minute surface greater than the reflection of incident light line at β angle by coarse adjustment link handle earlier, then the fine tuning link is further regulated, and makes reflection ray accurately aim at the direction of " ten " word aiming.
A kind of reverberation locking sight that the described device of 4 claims (1) is necessary, it is characterized in that: in the square tube shape shell of a shading, the light plate washer that " a ten " font is arranged, front end at reverberation locking sight, on the phase mound plate washer of the light plate washer of " ten " font, two pairs of photodiodes are arranged, on other two light plate washers of " ten " font of the rear end of reverberation locking sight, two pairs of photodiodes are arranged again.Lock two pairs of photodiodes of " ten " font light plate washer of sight front end at reverberation, photodiode as the coarse adjustment link, be connected to the logic comparator circuit of the coarse adjustment link of automatic controller by cable, two pairs of photodiodes on other two light plate washers of reverberation locking sight rear end " ten " font, as the fine tuning link, be connected to the logic comparator circuit of the fine tuning link of automatic controller by cable.
CNA2004101040799A 2004-12-15 2004-12-15 Multi-mirror reflecting and gathering solar heat collector Pending CN1789858A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102483267A (en) * 2009-06-09 2012-05-30 比昂卡迪斯·卢卡特罗玻璃制品有限公司 Support Structure For Solar Plants
CN102967055A (en) * 2012-11-09 2013-03-13 青海中控太阳能发电有限公司 Heliostat field combined by small-area plane heliostat and large convergent heliostat
WO2014029349A1 (en) * 2012-08-24 2014-02-27 Yang Yongshun Lens unit array condenser
CN103713645A (en) * 2013-12-16 2014-04-09 华南理工大学 Photovoltaic power generation sun trajectory tracking control system and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102483267A (en) * 2009-06-09 2012-05-30 比昂卡迪斯·卢卡特罗玻璃制品有限公司 Support Structure For Solar Plants
CN102483267B (en) * 2009-06-09 2014-01-22 比昂卡迪斯·卢卡特罗玻璃制品有限公司 Support structure for solar plants
WO2014029349A1 (en) * 2012-08-24 2014-02-27 Yang Yongshun Lens unit array condenser
CN102967055A (en) * 2012-11-09 2013-03-13 青海中控太阳能发电有限公司 Heliostat field combined by small-area plane heliostat and large convergent heliostat
CN102967055B (en) * 2012-11-09 2015-02-11 青海中控太阳能发电有限公司 Heliostat field combined by small-area plane heliostat and large convergent heliostat
CN103713645A (en) * 2013-12-16 2014-04-09 华南理工大学 Photovoltaic power generation sun trajectory tracking control system and method

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