WO2006017955A1 - Appareil a miroir detectant la lumiere solaire - Google Patents

Appareil a miroir detectant la lumiere solaire Download PDF

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Publication number
WO2006017955A1
WO2006017955A1 PCT/CN2004/000957 CN2004000957W WO2006017955A1 WO 2006017955 A1 WO2006017955 A1 WO 2006017955A1 CN 2004000957 W CN2004000957 W CN 2004000957W WO 2006017955 A1 WO2006017955 A1 WO 2006017955A1
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WO
WIPO (PCT)
Prior art keywords
shaft
azimuth
height
axis
vertical
Prior art date
Application number
PCT/CN2004/000957
Other languages
English (en)
Chinese (zh)
Inventor
Yaoming Zhang
Original Assignee
Yaoming Zhang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yaoming Zhang filed Critical Yaoming Zhang
Priority to PCT/CN2004/000957 priority Critical patent/WO2006017955A1/fr
Publication of WO2006017955A1 publication Critical patent/WO2006017955A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/133—Transmissions in the form of flexible elements, e.g. belts, chains, ropes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/137—Transmissions for deriving one movement from another one, e.g. for deriving elevation movement from azimuth movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/14—Movement guiding means
    • F24S2030/145—Tracks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
    • 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

Definitions

  • the invention relates to a heliostat device which can be used for solar lighting or thermal power generation in the field of solar energy utilization technology. . Background technique
  • Heliostat devices are important devices often involved in solar energy utilization, mainly for daylighting or solar thermal power generation.
  • tower solar thermal power generation uses a plurality of heliostats to reflect solar heat radiation onto a solar receiver placed on top of a high tower, heating the working medium to generate superheated steam, or directly heating the water in the collector to cause overheating.
  • the steam which drives the turbine generator set to generate electricity, converts the solar energy into electrical energy.
  • the mirror In order to allow solar radiation at all times of the day to be reflected from the mirror to the stationary receiver, the mirror must be equipped with a tracking mechanism.
  • Program control is to control the motion of the two-axis tracking mechanism according to the calculated law of solar motion. Its shortcoming is that there is accumulated error, and the cost is relatively expensive.
  • the sensor control type is to measure the direction of incident solar radiation by the sensor, thereby controlling the tracking mechanism.
  • the disadvantage of this is that it does not directly control the reflected light. Due to the insurmountable mechanical precision error, it is difficult to accurately track the positioning by simply relying on the tracking sensor mounted on the tracking mechanism, and stable and reliable control cannot be achieved. Summary of the invention
  • the object of the present invention is to provide a heliostat device which, based on a solar tracking sensor, forms a multi-level control sensor through an orientation sensor mounted in a directional projection direction, and completes device tracking and accurate directional projection. The function.
  • a heliostat device comprises a plane mirror and a frame thereof, a plane mirror azimuth adjusting mechanism and a height angle adjusting mechanism, and a solar tracking sensor.
  • the azimuth adjusting mechanism comprises a vertical shaft and a sleeve thereof, a chassis rotating around a central axis of the vertical shaft, and the height angle adjusting mechanism comprises at least one
  • the root is parallel to the transverse main rotation axis of the plane mirror, the spatial orthogonal point of the vertical axis axis and the shortest distance between the two axes and the set point of the shortest distance line substantially coincide with the center of one of the plane mirrors
  • the device further comprises a photosensitive surface An orientation sensor facing the plane mirror, the central axis of the orientation sensor coincident or parallel with the line of the orthogonal point or set point and the center of the directional projection area.
  • the device firstly rotates the axis of the vertical axis and the horizontal main axis under the control of the solar tracking sensor, and adjusts the azimuth and elevation angle of the plane mirror, when the elevation angle and azimuth variation of the plane mirror normal are satisfied.
  • the tracking sensor detects the solar elevation angle and half of the azimuth change
  • the device basically reaches the proper position; at this time, the device enters the range of the orientation sensor, the tracking sensor no longer functions, and the positioning sensor starts to work.
  • the mirror can be accurately adjusted to the desired determined position.
  • the orientation sensor comprises a cylinder, a lens, a single-stage or more than one level photosensitive element, the lens is located at the foremost end of the cylinder, and the single-stage or more-level photosensitive elements are located behind the lens, single or last
  • the level photosensitive element is composed of a four-quadrant photosensitive element at the rear end of the cylinder, and the central axis of the orientation sensor is the line between the center of the lens and the center of the four-quadrant photosensitive element. Since the directional sensor adopts a single-stage or more-level photosensitive element, after the sunlight is reflected by the plane mirror, its direction is continuously approaching to the direction of the projection, and finally accurately positioned in the required directional projection direction.
  • DRAWINGS 1-1 is a schematic structural view of a heliostat device according to Embodiment 1 of the present invention.
  • Figure 1-2 is an enlarged schematic view showing a partial structure of Figure 1-1.
  • Figures 1-3 are enlarged views of the partial structure I of Figures 1-2.
  • Figure 2 is a detailed structural view of a specific transmission mechanism portion of the sensor of Figure 1-1.
  • Figure 3 is a schematic diagram of the tracking of the date.
  • FIG. 4 is a schematic structural view of an orientation sensor of the first embodiment.
  • Figure 5-1 is a schematic structural view of Embodiment 2 of the present invention.
  • Figure 5- 2 is an enlarged schematic view of the partial structure I in Figure 5-1.
  • FIG. 5-3 is another schematic structural diagram of Embodiment 2 of the present invention. .
  • Figure 5-4 is an enlarged schematic view of the partial structure II in Figure 5-3.
  • Fig. 6 is a schematic structural view of a third embodiment of the present invention. detailed description
  • FIG. 1-1 The structure of the heliostat device of this embodiment is shown in Figure 1-1, and the partial structure is enlarged as shown in Figures 1-2 and 1-3, including three plane mirrors 1, 1, 1", a plane azimuth adjustment mechanism and The height angle adjustment mechanism and the multi-level control sensor composed of the sunlight tracking sensor 18 and the orientation sensor 25.
  • the azimuth adjustment mechanism includes a vertical shaft 8 with a center axis of ZZ and a sleeve 7 thereof, and the height angle adjustment mechanism includes at least one Parallel to the transverse main axis 2 of the plane mirror, the axis of the vertical axis 8 and the axis of the main axis of the transverse axis 1 are orthogonal to the point, the point is substantially coincident with the center of the plane mirror 1, and the center of the directional projection area is set to point 0 on the high tower. .
  • the azimuth adjustment mechanism further includes a chassis 3 that rotates about the axis ZZ' of the vertical axis 8, a stand 4, 4 that is fixed to both sides of the chassis 3, and a drive mechanism that engages with the chassis.
  • the plane mirrors 1, 1, 1" are respectively disposed in parallel with each other symmetrically on the corresponding links of the three-dimensional parallel link mechanism frame 5, and the frame 5 is rotatably supported by the vertical shaft 2 on the vertical frames 4, 4'
  • the chassis 3 is provided with at least three rollers supported on a horizontal floor (illustrated as 6, 6, 6 ", 6" in this embodiment), and the entire heliostat device is passed.
  • the four rollers 6, 6, 6, "6, 6,” at the lower end of the chassis 3 are supported on the ground.
  • the azimuth drive mechanism is mainly composed of a motor 13, a lead screw 14 and its support base 15, and a nut 16, wherein the output shaft of the motor 13 is connected to one end of the lead screw 14, and the two ends of the lead screw 14 are supported on the support base 15, and the nut 16 Rotating, the nut 16 is hinged to the chassis 3, and the support base 15 is supported on the ground.
  • the vertical shaft 8 in this embodiment is fixed to the ground and fits in the sleeve 7.
  • the sleeve 7 is located at the center of the chassis 3 and is fixedly connected with the chassis 3, and the azimuth driving mechanism drives the chassis 3 together with the plane mirror thereon. Its frame is rotated about the central axis ZZ of the vertical shaft 8.
  • the driving mechanism of the height angle adjusting mechanism is mainly composed of the motor 9 and its supporting base 11, the lead screw 10 and the nut 12.
  • the nut 12 is hinged on the connecting member 26 between the two vertical frames 4, 4', and the output of the motor 9
  • the shaft is coupled to one end of the lead screw 10, and the support base 11 is hinged to the connecting member 27 of the two links of the parallel link mechanism.
  • the height angle drive mechanism drives the parallel link mechanism frame 5 together with the plane mirror thereon to rotate about the axis of the transverse main axis 2 while simultaneously adjusting the distance between the plane mirrors.
  • the solar tracking sensor 18 of the heliostat device of the present embodiment can employ a conventional similar sensor, such as the structure and principle of the patent "US6465766B1" which was previously filed and approved by the present applicant. '
  • the transition mechanism in which the sensor 18 is connected to the vertical shaft 8 and the lateral main shaft 2 is particularly special.
  • the solar tracking sensor 18 is mounted and fixed to the rotating shaft 26, and the rotating shaft 26 is also fixed to the bevel gear 27, and the rotating shaft 26 is hinged to the sleeve 33 fixed to the azimuth shaft 28.
  • the bevel gear 27 meshes with an azimuth bevel gear 29 that is vacant on the azimuth axis 28, and this azimuth bevel gear 29 simultaneously meshes with the height bevel gear 31 that is over-wrapped on the height axis 30.
  • the azimuth shaft 28 and the height axis 30 are perpendicular to each other and are mounted on the base 32.
  • the electromagnetic clutch 33, 34 for rotating the idle bevel gear with the shaft is fixed on the shaft, and the two electromagnetic clutch circuits are interlocked, and the respective clutch plates 35 are respectively engaged. , 31' can slide along the pins on the azimuth bevel gear 29 and the height bevel gear 31, respectively, and the three bevel gears 27, 29, 31 have the same diameter.
  • the amount of azimuth change and height angle of the normal of the plane mirror should be half of the change of the azimuth of the sun and the amount of change of the height angle, respectively.
  • Figure 3 in ⁇ 0 ⁇ 2 , 0L 6 is an angle bisector.
  • a 0L!L 3 0L 4 is an angle bisector.
  • a 0L 2 L 3 0L 5 is an angle bisector, face M 2 ZZ, is a face and M 3 ZZ, N The angle formed by the three sides is equal to the angle.
  • the azimuth change of the plane mirror is completed by the rotation of the chassis 3 about the central axis ZZ', the change of the height angle is completed by the rotation of the parallel link mechanism about the axis of the lateral rotation shaft 2, and the movement of the tracking sensor 18 is directly caused by
  • the transfer of the height axis 30 and the azimuth axis 28 is completed, so that the height axis 30 and the lateral main rotation shaft 2, the azimuth axis 28 and the vertical axis 8 must be connected through the transmission mechanism, so that the azimuth angle change and the height angle change of the plane mirror normal are changed.
  • the amount is half of the amount of change in the azimuth of the sun and the amount of change in the height angle. As shown in FIG.
  • the height shaft 30 is connected to the horizontal main rotating shaft 2 by a reverse gear mechanism having a speed ratio of 2:1, and the bevel gear 27 and the rotating shaft 26 move in opposite directions with respect to the height bevel gear 31;
  • the azimuth axis 28 is connected to the vertical shaft 8 by a synchronous toothed belt mechanism of a speed ratio of 1:1, a gear transmission mechanism (40, and 41) of 1; wherein the azimuth shaft 28 is between the vertical shaft 8 and the bottom frame 3
  • the principle of relative motion is as follows: The motor 13 drives the nut 16 to run on the lead screw 14, causing the chassis 3 to rotate about the axis ⁇ of the vertical axis 8, and the azimuth axis 28 rotates clockwise by the angle ⁇ with the chassis 3.
  • Location sensor 25 is shown in Figure 4, which surface faces the photosensitive plane mirror 1 ', the central axis of the connecting OIO' coincident, the cartridge 35, the center 36 of the lens 03, a single-stage or more photosensitive member (the present The embodiment is illustrated as 37, 38 two-stage) and the like, the lens 36 is located at the front end of the cylinder 35, and the two-stage photosensitive element The pieces are respectively located at different positions behind the lens, the first stage photosensitive element 37 is composed of a photodiode distributed in a ring shape, and the last stage photosensitive element 38 is composed of a four-quadrant photosensitive element having a center of 0 4 at the last end of the cylinder 35.
  • the center axis of the orientation sensor is a connection between 0 3 and 0 4 .
  • the reflected light of the plane mirror is directed to the positioning sensor 25, and the lens 36 is focused to form a spot of suitable size to fall onto the photosensitive element 37 or 38.
  • the control circuit collects and processes the signals of the photosensitive elements at different positions.
  • the driving device is operated, and the reflected sunlight is continuously approached toward the center 0 4 of the last four-quadrant photosensitive element until the central axis of the positioning sensor 0 3 0 4 is coincident with the connection ( ⁇ ', and the device completes the projection of the sunlight along the orientation.
  • the motion process and principle of the whole device are as follows: Firstly, adjust the appropriate starting position of various sensors and mechanisms, and let the device enter the automatic running state.
  • the solar tracking sensor 18 transmits signals of changes in the solar height and azimuth positions to the processing circuit, respectively, and separately controls the azimuth and elevation angle driving mechanisms.
  • the azimuth driving mechanism is controlled, and the nut 16 is driven to run on the lead screw 14, thereby driving the chassis 3 to rotate around the axis of the vertical shaft 8.
  • the vertical shaft 8 is connected to the azimuth shaft 28 through the transmission mechanism, and the azimuth shaft 28 is rotated correspondingly.
  • the electromagnetic clutch 33' on the azimuth shaft 28 causes the clutch plate 35 to be sucked, and the azimuth bevel gear 29 of the original empty sleeve is passed through the pin.
  • a structure similar to the "attachment” is formed with the shaft 28. Since the shaft 26 is hinged to the sleeve 33 fixed to the azimuth shaft 28, the rotation of the azimuth shaft 28 drives the azimuth bevel gear 29, the shaft 26, and the bevel gear. 27 and the sensor 18 thereon are rotated together with the shaft 28 to perform an adjustment operation of the east-west direction, and the height bevel gear 31 is in an idling state.
  • the height angle driving mechanism is controlled, and the motor 9 drives the nut 12 to run on the lead screw 10, thereby driving the frame 5 to rotate about the axis of the lateral rotating shaft 2.
  • the electromagnetic clutch 34 on the height shaft 30 pulls the clutch plate 31', and the height of the bevel gear 31 of the original hollow sleeve and the shaft 30 are similarly "fixed" by the bolt, because the two electromagnetic clutch circuits are interlocked. Therefore, at this time, the azimuth bevel gear 29 is in an empty sleeve state, and the height bevel gear 31 drives the azimuth bevel gear 29 of the empty sleeve to rotate.
  • the bevel gear 27 rotates in the opposite direction, thus the transverse main shaft 2
  • the height axis 30 with the opposite rotation direction is driven by the lateral main rotation shaft 1, and finally the bevel gear 27 and the sensor 18 are in a 2:1 relationship with the adjustment of the same north-south position of the entire plane mirror until the plane mirror is basically To Get the desired tracking position.
  • the azimuth variation and the high-angle change of the plane mirror are half of the change of the azimuth angle of the sunlight and the amount of change of the height angle, that is, after the action of the sunlight tracking sensor 18 is completed, the entire heliostat enters the positioning sensor.
  • the scope of action of 25 Again, through the collimation of the two-stage photosensitive elements 37, 38, the orientation function is accurately achieved.
  • the heliostat device of the present embodiment has the following advantages:
  • the device forms a multi-level control sensor on the basis of the solar light tracking sensor 18 by the orientation sensor 25 installed in the directional projection direction, thereby completing the function of day tracking and accurate directional projection, and overcoming the existence of the previous program control. Cumulative error, high cost or simply relying on the tracking sensor can not meet the shortcomings of stable and reliable orientation, and has strong practicability.
  • the sensor 18 for integrally detecting the solar height angle and the azimuth angle is realized by a transitional transmission specific mechanism composed of three bevel gears and two sets of electromagnetic clutches, so that the tracking sensor tracks the sun in position, and the reflection of the plane mirror
  • the light direction is close to the projection direction, the design is ingenious, the principle is scientific, but the structure is slightly complicated.
  • the sleeve 7 is fixedly connected to the chassis 3 of the azimuth adjustment mechanism, and the vertical shaft 8 is fixed to the ground, thereby establishing the rotation center axis ZZ' of the azimuth operation of the entire device; the adjustment of the elevation angle and the azimuth angle are all performed by the lead screw
  • the nut mechanism is completed, and its force is driven by a force arm with a certain length, so the driving is relatively labor-saving; four rollers 6, 6, 6", 6" are used to support the weight of the whole device, which is relatively stable.
  • the structure of the embodiment has the following advantages: the foundation is stable, the driving force is small, the power consumption of the motor is small, the wind resistance is good, and the conventional and common materials are used, and the manufacturing process is relatively simple and convenient, and the price is also Significantly lower than the existing heliostats, which is conducive to reducing power station investment.
  • Embodiment 2 the foundation is stable, the driving force is small, the power consumption of the motor is small, the wind resistance is good, and the conventional and common materials are used, and the manufacturing process is relatively simple and convenient, and the price is also Significantly lower than the existing heliostats, which is conducive to reducing power station investment.
  • the structure of the heliostat device of the present embodiment is substantially similar to that of the first embodiment, and the difference is that: the transitional transmission mechanism in which the solar tracking sensor 18 is connected to the vertical shaft 8 and the lateral main rotating shaft 2 is no longer used by the three bevel gears.
  • the specific mechanism composed of two sets of electromagnetic clutches is directly changed to the flexible shaft mechanism.
  • the solar tracking sensor 18 is mounted on a hinge 43.
  • the bearing shaft 43 is fixed to the upper end of the azimuth shaft 28, and the rotating shaft 26 and the height shaft 30 are connected by a flexible shaft 44.
  • the azimuth shaft 28 is connected to the vertical shaft 8 through a transmission mechanism, and the azimuth shaft 28 and the chassis 3, around ZZ, the speed ratio of the axis rotating in the same direction is 2:1, and the height axis 30 is connected to the horizontal main rotating shaft 2 by a co-rotating mechanism with a speed ratio of 2:1.
  • the flexible shaft mechanism can also be changed to another form.
  • the support 43 is fixed to the height shaft 30-end, and the shaft 26 and the azimuth shaft 28 are flexible shafts.
  • the azimuth shaft 28 is connected to the vertical shaft 8 through a transmission mechanism, and the speed ratio of the azimuth shaft 28 and the chassis 3 rotating in the same direction about the IV axis is 2:1, and the speed axis 30 has a speed ratio of 2:1.
  • the co-directional speed reduction mechanism is connected to the lateral main shaft 2, and the above functions are also achieved.
  • Fig. 6 The structure of the heliostat device of this embodiment is schematically shown in Fig. 6. Compared with the first embodiment, the difference is as follows:
  • the azimuth drive mechanism is different.
  • the azimuth driving mechanism is mainly composed of a motor 19 and a speed reducer 20.
  • the input shaft of the speed reducer 20 is connected to the motor shaft, and the output shaft is connected to one of the rollers 6" on the chassis.
  • the roller becomes the driving wheel.
  • the chassis 3 is pushed around the axis ZZ of the vertical shaft 8 to rotate to realize azimuth adjustment.
  • the height angle drive mechanism is different.
  • the height angle driving mechanism is mainly composed of a motor 21, tensioning sprockets 22 and 23 with a spring mechanism, a motor output shaft sprocket, and a chain 24, and both ends of the chain 24 are respectively connected with the ends of the parallel link mechanism links CD and AB.
  • C, A is fixed, and the chain 24 is meshed with the tensioning sprockets 22 and 23 and the motor output shaft sprocket.
  • the motor 21 rotates to drive the sprocket, so that the position of the chain 24 and the sprocket are constantly changed, and the frame 5 is rotated about the axis of the transverse main shaft to realize the height angle adjustment.
  • the solar tracking sensor 18 is divided into a height angle detector 18" mounted on the height axis 30 _" And an azimuth detector 18 mounted on the azimuth axis 28, the height axis 30 being coupled to the lateral main revolving shaft 2 by a co-rotating mechanism having a speed ratio of 2:1, the azimuth shaft 28 passing through the transmission mechanism and the vertical shaft 8 Connected, the azimuth axis 28 and the chassis 3 are wound around ZZ, and the speed ratio of the axis in the same direction is 2:1.
  • the relatively complicated transitional transmission specific mechanism consisting of three bevel gears and two sets of electromagnetic clutches is omitted, and the tracking function is also realized.
  • the spatial orthogonal point of the vertical axis and the horizontal main axis of the present invention is not limited to an infinitely small point in the abstract mathematical direction, but may also be an area around the orthogonal point.
  • the vertical axis and the horizontal main axis may not necessarily intersect, and the horizontal main axis may be as close as possible to the front or the back of the vertical axis, and the shortest distance between the two axes as close as possible is set to 0 2 .
  • the set point 0 2 substantially coincides with the center of one of the plane mirrors, and the central axis of the orientation sensor coincides with or is parallel to the line 0 2 0.
  • the above area may also be an area near the 0 2 point.
  • the center of the directional projection area may also be a point in the vicinity of the center point.
  • the parallel link mechanism along with the plane mirror thereon, rotates about the axis of the transverse main axis of rotation while adjusting the height angle of the mirrors and the spacing of each other.
  • more than one positioning sensor 25 is mounted at different positions in the directional projection direction.
  • the height angle driving mechanism and the azimuth driving mechanism in Embodiments 1 and 2 are combined with each other and the like. Equivalent substitutions or similar combination transformations made by those skilled in the art based on the present invention are within the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)

Abstract

La présente invention concerne un appareil à miroir détectant la lumière solaire, comportant un miroir plan (1) et son cadre (5), un mécanisme de réglage de l’azimut et un mécanisme de réglage de la hauteur pour régler l’azimut et la hauteur du miroir plan, un capteur de poursuite (18) pour poursuivre la lumière solaire. La présente invention est caractérisée en ce qu’elle comporte un capteur orientable (25) le long de la direction de projection orientable pour former un capteur de commande multi-étage, permettant de réaliser la fonction de poursuite de la lumière solaire et de projection orientable précise. La présente invention remédie à l’inconvénient des capteurs antérieurs dont l’orientation stable et sûre ne pouvait se faire uniquement à l’aide du capteur de poursuite de la lumière solaire. Elle trouve en outre des applications industrielles.
PCT/CN2004/000957 2004-08-17 2004-08-17 Appareil a miroir detectant la lumiere solaire WO2006017955A1 (fr)

Priority Applications (1)

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PCT/CN2004/000957 WO2006017955A1 (fr) 2004-08-17 2004-08-17 Appareil a miroir detectant la lumiere solaire

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Application Number Priority Date Filing Date Title
PCT/CN2004/000957 WO2006017955A1 (fr) 2004-08-17 2004-08-17 Appareil a miroir detectant la lumiere solaire

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WO2006017955A1 true WO2006017955A1 (fr) 2006-02-23

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN102591359A (zh) * 2012-02-24 2012-07-18 陕西科技大学 一种太阳跟踪控制器
CN109209797A (zh) * 2018-10-23 2019-01-15 常州机电职业技术学院 太阳能动力机

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102591359A (zh) * 2012-02-24 2012-07-18 陕西科技大学 一种太阳跟踪控制器
CN109209797A (zh) * 2018-10-23 2019-01-15 常州机电职业技术学院 太阳能动力机

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