CN104483979B - One kind linkage heliostat - Google Patents

One kind linkage heliostat Download PDF

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Publication number
CN104483979B
CN104483979B CN201410602270.XA CN201410602270A CN104483979B CN 104483979 B CN104483979 B CN 104483979B CN 201410602270 A CN201410602270 A CN 201410602270A CN 104483979 B CN104483979 B CN 104483979B
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China
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elevation angle
torque
azimuth
electric pushrod
axis
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CN104483979A (en
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张剑寒
冯炜
王志峰
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Nanjing Nari Solar Energy Technology Co ltd
State Grid Corp of China SGCC
Institute of Electrical Engineering of CAS
State Grid Hebei Electric Power Co Ltd
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Nanjing Nari Solar Energy Technology Co ltd
State Grid Corp of China SGCC
Institute of Electrical Engineering of CAS
State Grid Hebei Electric Power Co Ltd
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Publication of CN104483979A publication Critical patent/CN104483979A/en
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Abstract

The invention discloses one kind linkage heliostat, it is characterised in that including elevation angle drive mechanism, the elevation angle drive mechanism drives at least two magnifier modules to make elevation angle rotary motion jointly;A kind of linkage heliostat that the present invention is provided by using multiple magnifier module Union Movements setting, unit mirror is together in series composition magnifier module by an axis of torque, connected between multiple magnifier modules each other by ring flange, using an elevation angle drive mechanism multiple magnifier modules can be driven to move simultaneously simultaneously, so by reducing the height of magnifier module, reducing the reflective area of magnifier module to reduce wind load, and then reduce the weight of unit reflective area magnifier module, installation and debugging difficulty is reduced, to reduce relevant cost;In addition, a kind of linkage heliostat can ensure tracking accuracy of the plurality of cells mirror in height angular direction, further to reduce the cost of elevation angle drive mechanism.

Description

One kind linkage heliostat
Technical field
The present invention relates to a kind of solar thermal utilization and thermal electric generator, more particularly to a kind of novel linkage heliostat.
Background technology
At present in solar energy thermal-power-generating field, tower thermo-power station has focusing ratio high, the high advantage of generating efficiency.It is tower The Jing Chang that thermo-power station is made up of many heliostats, by the heat dump surface on solar light focusing to high tower, its heliostat into 50% or so of intrinsic conduction station cost.Calculate according to Sandia National Laboratories of the U.S., when the cost of heliostat, to drop to every square meter reflective When area is 100 dollars, solar energy thermal-power-generating cost electricity price is 5.9 cents, and now solar energy thermal-power-generating is economically possible to Mutually being competed with conventional thermal power generation, therefore how to cut down heliostat cost just turns into the key of reduction tower type thermal generation cost, tool There are important economic implications and the value of environmental protection.
The basic structure of separate unit heliostat mainly includes ground, column, motor, transmission case, control system, support and reflection Several parts such as mirror.Wherein speculum is rack-mount, and support constitutes driving machine by column and ground-based supports, motor and transmission case Structure driving speculum produces two dimensional motion.Drive mechanism can be divided into elevation angle drive mechanism and azimuth drive mechanism, both Collective effect enables the mirror surface of heliostat to follow the trail of the sun all the time.The cost of drive mechanism accounts for heliostat totle drilling cost 50% or so, and the cost of orientation angle transmission mechanism is more than height angle transmission mechanism.
The cost of reduction heliostat mainly has two technology paths in the world at present:One is to make separate unit to have 100 square meters The heliostat of above super large reflective area, reduces the transmission cost apportioned by unit reflective area, but be due to wind load with this Influence, this " big heliostat " also brings the increase of heliostat weight, many disadvantages such as installation and debugging difficulty.Another technology Route is " the small heliostat " for making separate unit reflective area below 20 square meters, and it is anti-that " small heliostat " can effectively reduce unit The weight of light area heliostat, it is easy to installation and debugging, but driving structure further increases in the proportion shared by heliostat cost .In the competition of two technology paths, also it is difficult to judge which bar technology path is more dominant to the cost for reducing heliostat at present Gesture.
Also a kind of design of heliostat is exactly using many heliostat linkages, i.e., to be driven by a transmission mechanism many Platform heliostat, the usual reflective surface area of linkage heliostat will not be very big, so can not only reduce the cost of transmission mechanism but also can subtract Lack windage to reduce steel using amount.United States Patent (USP) US4466423 discloses a kind of linkage heliostat, is characterized in using four cable wires One solar eyepiece that is ranked is combined, elevation angle is driven by a transmission mechanism, and azimuth then passes through the list of every small heliostat The problem of only drive mechanism driving, this linkage heliostat, is that its bending rigidity and torsional rigidity are all unable to reach requirement.It is beautiful State patent US4110010 provides another linkage heliostat, and its structure is that monolithic speculum is in two directions arranged in length and breadth, Elevation angle and azimuth drive jointly by a drive device drivening rod respectively, and this structure is excessively complicated, the reflection per face The positional precision of mirror all it is difficult to ensure that.The disclosed linkage heliostats of United States Patent (USP) US4832002 are that every heliostat has each Pedestal and column, elevation angle drive mechanism drives a transmission belt to be passed through from underground, each heliostat connected Come, then driven the elevation angle drive device that one is ranked solar eyepiece jointly by gear drive, its is complicated, transmission accuracy It is low.The Chinese patent CN101595405A applied by viral Lai Te companies of Israel, using multiple heliostats condenser system, its optically focused Mode is similar with diseased Neil formula, is also to have a driver to drive multiple rotating shafts being parallel to each other, Mei Gezhuan by linkage With many speculums on axle.This mode can only ensure focal length it is relatively near in the case of precision.
The content of the invention
In order to solve the above technical problems, the technical solution used in the present invention is:One kind linkage heliostat, its feature exists In including elevation angle drive mechanism, the elevation angle drive mechanism drives at least two magnifier modules to make elevation angle rotation jointly Transhipment is dynamic, and the elevation angle drive mechanism is centrally located, is magnifier module in the elevation angle drive mechanism both sides.
The magnifier module includes magnifier module support post, magnifier module support lower margin, torque bearing block, tune Heart ball bearing, axis of torque axle sleeve, torque ring flange, axis of torque gland, axis of torque, unit mirror and azimuth drive mechanism, it is described Magnifier module support lower margin one end is connected with ground, and the other end is connected with the magnifier module support post, speculum mould It is torque bearing block above block support post, torque bearing block is built with self-aligning ball bearing, torque ring flange one end and spherical ball Bearing inner ring coordinates, and one end axially position is completed by axis of torque gland.Elevation angle driving stepper motor elevation angle electric pushrod Elongation, rotary motion is being produced by moment arm pushing torque axle.Axis of torque two ends are connected with two torque ring flanges respectively.Power There are two unit mirrors on square axle.
The elevation angle drive mechanism includes elevation angle stepper motor, elevation angle electric pushrod, elevation angle support post, height Spend angle support lower margin, elevation angle electric pushrod base, elevation angle alignment pin, elevation angle gear pin, moment arm and joint shaft Hold, elevation angle support lower margin one end is connected with ground, and the other end couples with elevation angle support post, mainly plays fixation, institute State elevation angle stepper motor to be connected with elevation angle electric pushrod, described elevation angle electric pushrod one end passes through elevation angle electric pushrod Base, elevation angle alignment pin are connected with elevation angle support post, and the elevation angle electric pushrod other end passes through elevation angle trundle The magnifier module connection of axle, oscillating bearing and moment arm and both sides.
The elevation angle drive mechanism includes elevation angle stepper motor, elevation angle hydraulic cylinder, elevation angle support post, height Angle support lower margin, elevation angle electric pushrod base, elevation angle alignment pin, elevation angle gear pin, moment arm and oscillating bearing, The elevation angle stepper motor is connected with elevation angle hydraulic cylinder, and described elevation angle hydraulic cylinder one end passes through elevation angle electric pushrod bottom Seat, elevation angle alignment pin are connected with elevation angle support post, and the elevation angle hydraulic cylinder other end passes through elevation angle trundle The magnifier module connection of axle, oscillating bearing and moment arm and both sides.
The unit mirror include glass mirror, shaped steel, unit mirror axle, sucker, unit mirror axle sleeve, unit mirror sleeve block and Back-up ring, the unit mirror axle is welded to connect with unit mirror axle sleeve, and a plurality of shaped steel is welded into plane girder, the plane girder It is welded to connect with unit mirror axle, the plane girder is provided with hole, the sucker is arranged on hole, and the glass mirror is with inhaling Disk is connected by gluing connection, the unit mirror axle sleeve with unit mirror sleeve block, and the unit mirror axle sleeve can be in unit mirror axle Block set is rotated, and the unit mirror sleeve block is welded to connect with axis of torque.
The azimuth drive mechanism includes azimuth stepper motor, azimuth electric pushrod, azimuth alignment pin, side Drive bearing pin and oscillating bearing, the azimuth stepper motor are the power source of azimuth electric pushrod, the azimuth Electric pushrod is arranged on axis of torque by alignment pin, and the azimuth electric pushrod is driven by oscillating bearing and azimuth Bearing pin is connected with the unit mirror.Driving stepper motor electric pushrod is in line motion, and electric pushrod pushing unit mirror is into rotation Motion.
The azimuth drive mechanism includes azimuth stepper motor, azimuth decelerator, azimuth alignment pin, orientation Angle gear pin and oscillating bearing, the azimuth stepper motor are the power sources of azimuth decelerator, and the azimuth is slowed down Device is arranged on axis of torque by alignment pin, the azimuth decelerator by oscillating bearing and azimuth gear pin with The unit mirror connection.
The unit mirror is driven by independent azimuth drive mechanism.
The azimuth rotary shaft of the unit mirror and the elevation angle rotary shaft of axis of torque are mutually perpendicular to.
At least two magnifier modules can be around a common rotational axis rotation, and the common rotational axis is mutual Parallel one to three.
The beneficial effect that the present invention is reached:A kind of linkage heliostat that the present invention is provided is by using multiple speculum moulds The setting of block Union Movement, overcome in the prior art " big heliostat " steel using amount it is big, installation and debugging are difficult, " small heliostat " transmission Unit mirror, is together in series composition magnifier module, multiple magnifier modules by the defects such as agency cost height by an axis of torque Between connected each other by ring flange, the same luck of multiple magnifier modules can be driven simultaneously using an elevation angle drive mechanism It is dynamic, so by reducing the height of magnifier module, reducing the reflective area of magnifier module to reduce wind load, and then reduce The weight of unit reflective area magnifier module, reduces installation and debugging difficulty, to reduce relevant cost;In addition, a kind of connection Dynamic heliostat drives many magnifier module tracking sun altitudes to reduce elevation angle transmission cost using single driver, leads to Cross axis of torque and ring flange connection unit mirror may insure the integrally-built torsional rigidity of magnifier module, to ensure plurality of cells Magnifier module can also be placed in the rotation of axis of torque by mirror in the tracking accuracy of height angular direction by reasonably designing The heart, to reduce elevation angle torsional moment, further to reduce the cost of elevation angle drive mechanism;In addition, a kind of linkage is fixed Solar eyepiece can also form rotary motion, to reduce orientation angle transmission mechanism using the electric pushrod and connecting rod assembly moved along a straight line Cost.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the side view of the embodiment of the present invention one.
Fig. 3 is the top view of the embodiment of the present invention one.
Fig. 4 is the magnifier module structural representation of the embodiment of the present invention one.
Fig. 5 is the elevation angle driving mechanism structure schematic diagram of the embodiment of the present invention one.
Fig. 6 is the unit mirror structural representation of the embodiment of the present invention one.
Fig. 7 is the azimuth driving mechanism structure schematic diagram of the embodiment of the present invention one.
Fig. 8 is the structural representation of the embodiment of the present invention two.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention Technical scheme, and can not be limited the scope of the invention with this.
The embodiment of the present invention one:As shown in Figures 1 to 7, a kind of linkage heliostat, it is characterised in that driven including elevation angle Motivation structure 31, the elevation angle drive mechanism 31 drives at least two magnifier modules 21 to make elevation angle rotary motion, institute jointly State elevation angle drive mechanism 31 centrally located, be magnifier module 21 in the both sides of elevation angle drive mechanism 31.
The magnifier module 21 includes magnifier module support post 114, magnifier module support lower margin 115, torque Bearing block 41, self-aligning ball bearing 42, axis of torque axle sleeve 44, torque ring flange 43, axis of torque gland 17, axis of torque 23, unit mirror 22 and azimuth drive mechanism 32, described magnifier module support lower margin 115 one end is connected with ground, the other end and the reflection Mirror block supports column 114 is connected, and magnifier module support post 114 is above in torque bearing block 41, torque bearing block 41 Equipped with self-aligning ball bearing 42, the one end of torque ring flange 43 coordinates with the inner ring of self-aligning ball bearing 42, completed by axis of torque gland 17 One end axially position.The driving elevation angle of elevation angle stepper motor 15 electric pushrod 16 extends, and is passing through the pushing torque of moment arm 51 Axle 23 produces rotary motion.The two ends of axis of torque 23 are connected with two torque ring flanges 43 respectively.There are two units on axis of torque 23 Mirror 22.
The elevation angle drive mechanism 31 includes elevation angle stepper motor 15, elevation angle electric pushrod 16, elevation angle support Column 12, elevation angle support lower margin 11, elevation angle electric pushrod base 13, elevation angle alignment pin 14, elevation angle gear pin 52nd, moment arm 51 and oscillating bearing, elevation angle support lower margin 11 one end are connected with ground, the other end and elevation angle support post 12 Connection, mainly plays fixation, the elevation angle stepper motor 15 is connected with elevation angle electric pushrod 16, and the elevation angle is electronic The one end of push rod 16 is connected by elevation angle electric pushrod base 13, elevation angle gear pin 52 with elevation angle support post 12, high Spend the other end of angle electric pushrod 16 and pass through elevation angle gear pin 52, oscillating bearing and moment arm 51 and the magnifier module of both sides 21 connections.
The unit mirror 22 includes glass mirror 113, shaped steel, unit mirror axle 63, sucker 111, unit mirror axle sleeve 62, list First mirror sleeve block 61 and back-up ring, the unit mirror sleeve block 61 are welded to connect with axis of torque 23, unit mirror sleeve block 61 and unit Mirror axle sleeve 62 is connected, and unit mirror axle sleeve 62 can be rotated in unit mirror sleeve block 61.Unit mirror axle sleeve 62 and unit mirror axle 63 It is welded to connect, a plurality of shaped steel is welded into plane girder, plane girder is welded to connect with unit mirror axle 63, the plane girder is set There is hole, sucker 111 is arranged on hole, and glass mirror 113 passes through gluing connection with sucker 111.
The azimuth drive mechanism 32 includes azimuth stepper motor 19, azimuth electric pushrod 110, azimuth positioning Bearing pin 18, azimuth gear pin 71 and oscillating bearing, the azimuth stepper motor 19 are the dynamic of azimuth electric pushrod 110 Power source, the azimuth electric pushrod 110 is arranged on axis of torque 23 by azimuth alignment pin 18, and the azimuth is electronic One end of push rod 110 is connected by oscillating bearing and azimuth gear pin 71 with the unit mirror 22.Azimuth stepper motor 19 driving azimuth electric pushrods 110 are in line motion, and the pushing unit mirror 22 of azimuth electric pushrod 110 is into rotary motion.
The unit mirror 22 is driven by independent azimuth drive mechanism 32.
The azimuth rotary shaft of the unit mirror 22 is mutually perpendicular to the elevation angle rotary shaft of axis of torque 23.
At least two magnifier modules 21 can be phase around a common rotational axis rotation, the common rotational axis Mutually parallel one to three.
The implementation process of present example one is as follows, and a magnifier module 21 is constituted by two unit mirrors 22, by height Angle drive mechanism 31 drives two magnifier modules 21 to make elevation angle rotary motion jointly, and every unit mirror 22 is independent by carrying Azimuth drive mechanism 32 is driven so that the flare of four unit mirrors 22 can be converged to a bit.
The overall structure difference of the present invention is as shown in Figure 2, Figure 3 and Figure 4.As shown in Figure 2, it is first determined elevation angle support is vertical The position of post 12 and magnifier module support post 114, level altitude angle electric pushrod base 13, passes through elevation angle alignment pin 14 are connected with the afterbody positioning hole of elevation angle electric pushrod 16, the translational degree of freedom in constraint elevation angle electric pushrod 16 3 directions and The rotational freedom in one direction.
The fixed end taken about the point of fixation bearing block 41 on two magnifier module support posts 114, torque bearing block 41 and speculum mould Block support post 114 is connected by screw bolts, and two torque bearing blocks 41 keep concentric, and self-aligning ball bearing 42 is located at torque bearing block In 41, gland of the bearing outer ring both ends of the surface respectively with torque bearing block 41 and torque bearing block is contacted.Axis of torque 23 is square section Face, axis of torque two ends are connected by screw bolts with two torque ring flanges 43 respectively.The one end of axis of torque 23 and torque ring flange 43 One end is bolted, and the other end of torque ring flange 43 coordinates with self-aligning ball bearing 42, torque ring flange 43 by the shaft shoulder with The inner ring of self-aligning ball bearing 42 is contacted, and the end face of torque ring flange 43 and the abutting end of self-aligning ball bearing 42 passes through with axis of torque gland 17 Bolt connection.It is torque axle sleeve 44 between the outer ring of self-aligning ball bearing 42 and axis of torque gland 17.
One end of the other end of axis of torque 23 and torque ring flange 43 is bolted, and the other end of torque ring flange 43 is with adjusting Heart ball bearing 42 coordinates, and torque ring flange 43 is contacted by the shaft shoulder with the inner ring of self-aligning ball bearing 42, torque ring flange 43 and aligning The end face of the abutting end of ball bearing 42 is bolted with moment arm 51, is power between the outer ring of self-aligning ball bearing 42 and moment arm 51 Square axle sleeve 44.Certain of the circle center line connecting of the two ends arc surface of moment arm 51 and the square-section of axis of torque 23 are while into 450Angle.Torque The one end of arm 51 has positioning hole, and oscillating bearing built in positioning hole passes through elevation angle gear pin 52 and elevation angle electric pushrod 16 Connection so that the transform linear motion that electric pushrod 16 is produced is the rotary motion of axis of torque 23.
As shown in Fig. 2 axis of torque 23 passes through azimuth alignment pin 18 and the afterbody positioning hole of azimuth electric pushrod 110 Connection, the translational degree of freedom in 110 3 directions of constraint azimuth electric pushrod and the rotational freedom in a direction.
As shown in fig. 6, unit mirror axle 63 is welded to connect with unit mirror axle sleeve 62, axle sleeve 62 is matched somebody with somebody with unit mirror sleeve block 61 Close, the one end of axle sleeve 62 is positioned by the step of axle sleeve, and the other end is positioned by annular retaining ring.Unit mirror sleeve block 61 has one Individual groove, by this groove, unit mirror sleeve block 61 is welded to connect with axis of torque 23.The azimuth rotary shaft of unit mirror 22 with The elevation angle rotary shaft of axis of torque 23 is mutually perpendicular to.
As shown in Figure 1 and Figure 2, glass reflecting minute surface 113 and the gemel connection of sucker 111, sucker 111 and unit mirror steelframe 112 It is connected by screw bolts, can be with the minute surface face type of adjustment unit reflective mirror 113 by adjustment bolt, the relative position of nut.
As shown in fig. 7, built-in oscillating bearing on unit mirror steelframe, is pushed away by the way that azimuth gear pin 71 and azimuth are electronic Bar 110 is connected so that the transform linear motion that electric pushrod 110 is produced is the rotary motion of unit mirror 22.
The embodiment of the present invention two, as shown in figure 8, substituting the height of the inside of the embodiment of the present invention one using elevation angle hydraulic cylinder 81 Angle electric pushrod 16 is spent, is that thrust is big using the benefit of hydraulic cylinder, more unit mirrors can be driven than electric pushrod, to enter One step cuts down the cost of elevation angle drive mechanism;And for the azimuth drive mechanism of unit mirror, can be slowed down using azimuth Device 82 substitutes the azimuth electric pushrod 110 of the inside of the embodiment of the present invention one, and advantage of this is that unit mirror can rotate 360 degree so that linkage heliostat arranges more flexible in heliostat field.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these improve and deformed Also it should be regarded as protection scope of the present invention.

Claims (8)

1. one kind linkage heliostat, it is characterised in that including elevation angle drive mechanism, the elevation angle drive mechanism drives at least Two magnifier modules make elevation angle rotary motion jointly, and the magnifier module includes magnifier module support post, reflection Mirror block supports lower margin, torque bearing block, self-aligning ball bearing, axis of torque axle sleeve, torque ring flange, axis of torque gland, axis of torque, Unit mirror and azimuth drive mechanism, described magnifier module support lower margin one end are connected with ground, the other end and the reflection Mirror block supports column is connected, and is torque bearing block above magnifier module support post, torque bearing block is built with spherical ball Bearing, torque ring flange one end coordinates with self-aligning ball bearing inner ring, and one end axially position, the height are completed by axis of torque gland Spend angle drive mechanism include elevation angle stepper motor, elevation angle electric pushrod, elevation angle support post, elevation angle support lower margin, Elevation angle electric pushrod base, elevation angle alignment pin, elevation angle gear pin, moment arm and oscillating bearing, the elevation angle Stepper motor is connected with elevation angle electric pushrod, and described elevation angle electric pushrod one end passes through elevation angle electric pushrod base, height Degree angle alignment pin is connected with elevation angle support post, and the elevation angle electric pushrod other end passes through elevation angle gear pin, joint The magnifier module connection of bearing and moment arm and both sides, axis of torque two ends are connected with two torque ring flanges respectively, moment method One end of blue disk is bolted axis of torque one end, and the torque ring flange other end coordinates with self-aligning ball bearing, torque ring flange Contacted by the shaft shoulder with self-aligning ball bearing inner ring, the end face of torque ring flange and self-aligning ball bearing abutting end leads to axis of torque gland Bolt connection is crossed, the end face of torque ring flange and self-aligning ball bearing abutting end is bolted with moment arm, self-aligning ball bearing It is torque axle sleeve between outer ring and moment arm, moment arm one end has positioning hole, and oscillating bearing built in positioning hole passes through elevation angle Gear pin is connected with elevation angle electric pushrod, the elongation of elevation angle driving stepper motor elevation angle electric pushrod, is passing through torque Arm pushing torque axle, which is produced on rotary motion, axis of torque, two unit mirrors.
2. a kind of linkage heliostat according to claim 1, it is characterised in that the elevation angle drive mechanism includes height Angle stepper motor, elevation angle hydraulic cylinder, elevation angle support post, elevation angle support lower margin, elevation angle electric pushrod base, height Angle alignment pin, elevation angle gear pin, moment arm and oscillating bearing, the elevation angle stepper motor connect with elevation angle hydraulic cylinder Connect, described elevation angle hydraulic cylinder one end passes through elevation angle electric pushrod base, elevation angle alignment pin and elevation angle support post Connection, the elevation angle hydraulic cylinder other end passes through elevation angle gear pin, oscillating bearing and moment arm and the speculum of both sides Module is connected.
3. a kind of linkage heliostat according to claim 1, it is characterised in that the unit mirror is driven by independent azimuth Motivation structure drives.
4. a kind of linkage heliostat according to claim 1, it is characterised in that the azimuth rotary shaft of the unit mirror with The elevation angle rotary shaft of axis of torque is mutually perpendicular to.
5. a kind of linkage heliostat according to claim 1, it is characterised in that the unit mirror include glass mirror, Shaped steel, unit mirror axle, sucker, unit mirror axle sleeve, unit mirror sleeve block and back-up ring, the unit mirror axle are welded with unit mirror axle sleeve Connection, the shaped steel is welded into plane girder, and the plane girder is welded to connect with unit mirror axle, and the plane girder is provided with Hole, the sucker is arranged on hole, and the glass mirror passes through gluing connection, the unit mirror axle sleeve and unit mirror with sucker Sleeve block is connected, and the unit mirror sleeve block is welded to connect with axis of torque.
6. a kind of linkage heliostat according to claim 1, it is characterised in that the azimuth drive mechanism includes orientation Angle stepper motor, azimuth electric pushrod, azimuth alignment pin, azimuth gear pin and oscillating bearing, the azimuth Stepper motor is the power source of azimuth electric pushrod, and the azimuth electric pushrod is arranged on axis of torque by alignment pin On, the azimuth electric pushrod is connected by oscillating bearing and azimuth gear pin with the unit mirror.
7. a kind of linkage heliostat according to claim 1, it is characterised in that the azimuth drive mechanism includes orientation Angle stepper motor, azimuth decelerator, azimuth alignment pin, azimuth gear pin and oscillating bearing, the azimuth step Stepper motor is the power source of azimuth decelerator, and the azimuth decelerator is arranged on axis of torque by alignment pin, described Azimuth decelerator is connected by oscillating bearing and azimuth gear pin with the unit mirror.
8. a kind of linkage heliostat according to any one of claim 1 to 7, it is characterised in that at least two speculums Module can be around a common rotational axis rotation, and the common rotational axis is one to three be parallel to each other.
CN201410602270.XA 2014-10-31 2014-10-31 One kind linkage heliostat Active CN104483979B (en)

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Publication number Priority date Publication date Assignee Title
CN105353498A (en) * 2015-11-24 2016-02-24 中国科学院电工研究所 Anti-hail heliostat
CN113325500B (en) * 2021-06-09 2023-03-17 东方电气集团科学技术研究院有限公司 Assembling production method of large heliostat
CN113946030B (en) * 2021-10-18 2022-11-08 中国科学院长春光学精密机械与物理研究所 Driving mechanism for swinging and sweeping of reflecting mirror

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US5660644A (en) * 1995-06-19 1997-08-26 Rockwell International Corporation Photovoltaic concentrator system
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