CN209590644U - A kind of settled date mirror drive and heliostat - Google Patents

Abstract

The utility model discloses a kind of settled date mirror drives, comprising: universal shaft, the first power sub-system, the second power sub-system；Universal shaft includes the first rotatable lamella, the second rotatable lamella, the first rotary shaft, the second rotary shaft；First rotatable lamella is circlewise, it is connect by the first rotary shaft with heliostat pillar, second rotatable lamella is circlewise and its internal diameter is slightly larger than the outer diameter of the first rotatable lamella, and the first rotatable lamella is located in the second rotatable lamella, and the second rotatable lamella passes through the second rotary shaft and connect with the first rotatable lamella；First rotary shaft and the second rotating shaft direct cross, when the first rotatable lamella is rotated around the first rotary shaft, the first rotatable lamella drives the second rotatable lamella to rotate together with, and when the second rotatable lamella is rotated around the second rotary shaft, the second rotatable lamella is rotated alone；First power sub-system is located at the second rotary shaft institute on the vertical plane, and the second power sub-system is located at the first rotary shaft institute on the vertical plane, and the first power sub-system is matched with the second power sub-system, realizes heliostat minute surface rotation.

Description

A kind of settled date mirror drive and heliostat

Technical field

The utility model relates to machinery field, in particular to a kind of settled date mirror drive and heliostat.

Background technique

Have become today of trend of the times in green emission reduction, solar energy is as a kind of cleaning, pollution-free, inexhaustible use Inexhaustible green energy resource utilized extensively by people, become the mainstream of new energy.Solar thermal utilization is Solar use Typical way.

Solar energy thermal-power-generating is a kind of main Land use systems of solar thermal utilization, its principle is the mirror using large area Solar radiation energy is reflected on heat collector by face, and solar radiant energy is converted into thermal energy by heat collector, and passes through thermodynamic cycle Cheng Jinhang power generation.Solar energy thermal-power-generating has a series of obvious advantages.Firstly, the carbon emission amount of its Life cycle is very low, Only has 18g/kWh according to foreign study.In addition, solar energy thermal-power-generating also have it is very strong with existing thermal power station and network system Compatible sexual clorminance.

Solar energy thermal-power-generating technology mainly has following four: the power generation of slot light collection heat, tower condensing thermal power generation, dish-style optically focused Heat power generation and Fresnel condensing thermal power generation.The power generation of slot light collection heat, tower condensing thermal power generation are most widely used at present Two kinds of solar energy thermal-power-generating modes.

Tower type solar thermo-power station includes light condenser field, heat dump, energy storage canister, conventional island etc., and light condenser field therein will Sunlight is reflected on heat dump, and the heat transfer medium in heat dump is transferred to conventional island after absorbing sunlight heat, by conventional island In generating equipment convert heat energy into electric energy.When thermal energy has it is extra when, can be by thermal energy storage in energy storage canister, when needed again Thermal energy in energy storage canister is converted into electric energy.

Heliostat is the capital equipment of light condenser field, is the Optical devices that the light of the sun is reflected into fixed-direction.It is fixed Solar eyepiece is usually by multiple components such as reflecting mirror, mirror support, truss structure, control system, driving device, column and basis Composition.Wherein, driving device is for driving reflecting mirror to rotate, so that the solar energy that reflecting mirror is reflected is irradiated to specified side To with position.

The driving device of various structures has been proposed in the prior art, Fig. 1 is a kind of typical heliostat driving dress The structural schematic diagram set.As shown, the rotation connection structure of driving device is mounted on the top of column 1 in a heliostat End, under the drive of the driving device, heliostat minute surface 2 rotates to assigned direction.Specifically, which includes First rotary shaft 3, the second rotary shaft 4, orthogonal installation between first rotary shaft 3 and the second rotary shaft 4, wherein described first Rotary shaft 3 is located on the second rotary shaft 4.The driving device further includes that there are two mutually independent pull rods: the first driving pull rod 5, the second driving pull rod 6；Wherein the first driving pull rod 5 for driving mirror surface 2 to rotate around the first rotary shaft 3, draw by the second driving Bar 6 is for driving mirror surface 2 to rotate around the second rotary shaft 4.First driving pull rod 5 and the second driving pull rod 6 are mutually indepedent, and first Driving pull rod 5 is arranged on the second driving pull rod 6 and the first driving pull rod 5 is located at the first rotary shaft 3 and the second rotation Between axis 4.This design feature makes the construction weight of entire driving device and rotary inertia all very big, needed in driving compared with Big push rod force.This requirement of larger push rod force is needed to make driving device must be to material and some when manufacturing again Component has very high technique requirement, has drawn high the cost of driving device significantly.

Utility model content

The purpose of the utility model is to overcome heliostat driving device structure weight in the prior art and rotary inertias It is all very big, to cause the defect of higher manufacturing cost, to provide a kind of construction weight and rotary inertia has and is substantially reduced Driving device.

To achieve the goals above, the utility model provides a kind of settled date mirror drive, comprising: universal shaft 21, One power sub-system, the second power sub-system；Wherein,

The universal shaft 21 includes the first rotatable lamella 211, the second rotatable lamella 212, the first rotary shaft 213, the second rotary shaft 214；Circlewise, the first rotatable lamella 211 passes through the column cap of the first rotary shaft 213 and heliostat pillar to first rotatable lamella 211 24 connection, second rotatable lamella 212 circlewise and its internal diameter be slightly larger than first rotatable lamella 211 outer diameter, described first Rotatable lamella 211 is located in second rotatable lamella 212, second rotatable lamella 212 by second rotary shaft 214 with it is described The connection of first rotatable lamella 212；First rotary shaft 213 is orthogonal with the second rotary shaft 214, when first rotatable lamella 211 encloses When around the rotation of the first rotary shaft 213, first rotatable lamella 211 drives the second rotatable lamella 212 to rotate together with, when described second turn When movable plate 212 is rotated around second rotary shaft 214, first rotatable lamella 211 is motionless, and second rotatable lamella 212 is solely Autorotation；

First power sub-system is located on the vertical plane at 214 place of the second rotary shaft, the second power System is located on the vertical plane at 213 place of the first rotary shaft, first power sub-system and the second power subsystem System matches, and the rotation of universal shaft 21 is surrounded for realizing heliostat minute surface.

In above-mentioned technical proposal, first power sub-system is the first pull rod 22, and second power sub-system is the Two pull rods 23；Wherein,

One end of first pull rod 22 is mounted on the column of heliostat, and the other end is installed by the second universal shaft 25 On the mirror surface backboard of heliostat, and this both ends is on the vertical plane at 214 place of the second rotary shaft；Described second draws One end of bar 23 is mounted on the column 26 of heliostat, and the other end is mounted on the mirror surface backboard of heliostat by universal shaft, And this both ends is on the vertical plane at 213 place of the first rotary shaft.

In above-mentioned technical proposal, when first pull rod 22 moves under control, first rotatable lamella 211 surrounds institute The rotation of the first rotary shaft 213 is stated, the position for the point that the second pull rod 23 is connected with mirror surface backboard remains unchanged, second pull rod 23 length will not change, and second pull rod 23 does not have movement；

When second pull rod 23 moves under control, second rotatable lamella 212 surrounds 214 turns of the second rotary shaft Dynamic, the point that first pull rod 22 is connected with mirror surface backboard justifies upper angle locating for the radius of circle and tie point along circular rotatable It is related to along 213 rotational angle of the first rotary shaft and along 214 rotational angle of the second rotary shaft, according to first rotation Shaft 213,214 current angular of the second rotary shaft adjust the length of the first pull rod 22 corresponding to first rotary shaft 213 with suitable Answer the angle change of second rotary shaft 214.

In above-mentioned technical proposal, first power sub-system includes the first drag-line 41, the second drag-line 42, and described second is dynamic Power subsystem includes third drag-line 43, the 4th drag-line 44；Wherein,

One end of first drag-line 41 passes through the sets of holes on heliostat pillar and then is mounted on the pedestal of heliostat, separately One end is mounted on the mirror surface backboard of heliostat, and in the opposite side of heliostat mirror column, it is fixed that one end of second drag-line 42 passes through Sets of holes on solar eyepiece column are mounted on the pedestal of heliostat in turn, and the other end is then mounted on the mirror surface backboard of heliostat, institute State the first drag-line 41, the second drag-line 42 is on the vertical plane at 214 place of the second rotary shaft；

One end of the third drag-line 43 passes through the sets of holes on heliostat pillar and then is mounted on the pedestal of heliostat, separately One end is then mounted on the mirror surface backboard of heliostat, is passed through in one end of the opposite side of heliostat mirror column, the 4th drag-line 44 Sets of holes on heliostat pillar are mounted on the pedestal of heliostat in turn, and the other end is then mounted on the mirror surface backboard of heliostat, The third drag-line 43, the 4th drag-line 44 are on the vertical plane at 213 place of the first rotary shaft.

In above-mentioned technical proposal, when first drag-line 41, the second drag-line 42 move under control, first rotatable lamella 211 rotate around first rotary shaft 213, the point that the third drag-line 43, the 4th drag-line 44 are connected with mirror surface backboard Position remains unchanged, third drag-line 43, the 4th drag-line 44 length will not change, third drag-line 43, the 4th drag-line 44 are not Have movement；

When third drag-line 43, the 4th drag-line 44 move under control, second rotatable lamella 212 is around second rotation Shaft 214 rotate, the point that the first drag-line 41, the second drag-line 42 are connected with mirror surface backboard will along circular rotatable, the radius of circle and Circle upper angle locating for tie point is related to along 213 rotational angle of the first rotary shaft and along 214 rotational angle of the second rotary shaft, according to First rotary shaft 213,214 current angular of the second rotary shaft adjust the first drag-line 41, the second drag-line corresponding to the first rotary shaft 213 42 length is to adapt to the angle change of the second rotary shaft 214.

The utility model additionally provides a kind of heliostat, which uses the settled date mirror drive.

Utility model has the advantages that

The settled date mirror drive driving device more in the prior art of the utility model has great simplification in structure, The construction weight and rotary inertia of entire driving device can be substantially reduced, therefore the pulling force demand of pull rod is also dropped significantly It is low.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of typical settled date mirror drive in the prior art；

Fig. 2 is the structural schematic diagram of the settled date mirror drive of the utility model in one embodiment；

Fig. 3 is the schematic diagram that the universal shaft in the settled date mirror drive of the utility model is assemblied on mirror surface；

Fig. 4 is the perspective view of the universal shaft in the settled date mirror drive of the utility model；

Fig. 5 is the structural schematic diagram of the settled date mirror drive of the utility model in another embodiment；

Fig. 6 be the settled date mirror drive of the utility model rotary shaft and existing settled date mirror drive rotary shaft it Between comparison figure.

Drawing explanation

1 column, 2 heliostat minute surface

3 first rotary shaft, 4 second rotary shaft

5 first pull rod, 6 second pull rod

21 universal shaft, 22 first pull rod

23 second pull rod, 24 heliostat pillar column cap

25 second universal shaft, 26 heliostat pillar

27 heliostat pedestal, 211 first rotatable lamella

212 second rotatable lamella, 213 first rotary shaft

214 second rotary shafts

Specific embodiment

Now in conjunction with attached drawing, the utility model will be further described.

In one embodiment, with reference to Fig. 2, Fig. 3 and Fig. 4, the settled date mirror drive of the utility model includes: universal shaft 21, the first pull rod 22, the second pull rod 23；Wherein, the universal shaft 21 includes the first rotatable lamella 211, the second rotatable lamella 212, the One rotary shaft 213, the second rotary shaft 214；Circlewise, the first rotatable lamella 211 passes through the first rotary shaft to first rotatable lamella 211 213 connect with the column cap 24 of heliostat pillar, and second rotatable lamella 212 is circlewise and its internal diameter is slightly larger than the first rotatable lamella 211 outer diameter, the first rotatable lamella 211 are located in the second rotatable lamella 212, and the second rotatable lamella 212 passes through the second rotary shaft 214 and the The connection of one rotatable lamella 212.As shown in figure 4, first rotary shaft 213 is orthogonal with the second rotary shaft 214, when the first rotatable lamella 211 around the first rotary shaft 213 rotate when, the first rotatable lamella 211 drive the second rotatable lamella 212 rotate together with, when second rotation When piece 212 is rotated around the second rotary shaft 214, the first rotatable lamella 211 is motionless, and the second rotatable lamella 212 rotates alone.

One end of first pull rod 22 is mounted on the column of heliostat, and the other end is installed by the second universal shaft 25 On the mirror surface backboard of heliostat, and this both ends is on the vertical plane at 214 place of the second rotary shaft；Second pull rod 23 One end be mounted on the column 26 of heliostat, the other end is mounted on the mirror surface backboard of heliostat by universal shaft, and this Both ends are on the vertical plane at 213 place of the first rotary shaft.First pull rod 22 and the second pull rod 23 all have engine Structure (is not shown), by the power mechanism compensation linkage length, and then realize to heliostat minute surface push away or The operation such as drawing.

In existing heliostat shown in Fig. 1, tracking mode is sidewindered using traditional pitching-, it is fixed under the tracking mode The attitude description of solar eyepiece is split as " pitch angle " and " angle of roll " two components, the two components are drawn by first in driving device Bar 5, the second pull rod 6 control respectively, are mutually indepedent, are bowed respectively by the rotation of the first rotary shaft 3, the second rotary shaft 4 to realize The variation of the elevation angle or the angle of roll.After the driving device of the utility model, due to the variation of driving device structure, so that the settled date The tracking mode of mirror also produces corresponding variation: heliostat when rotated, is no longer independent from each other between two rotary shafts, But there are certain interaction relations.Specifically, when the first pull rod 22 moves under control, the first rotatable lamella 211 is around the The rotation of one rotary shaft 213, the point (i.e. for driving the point of the second rotary shaft 214) that the second pull rod 23 is connected with mirror surface backboard Position remains unchanged, therefore the length of the second pull rod 23 will not change, and the second pull rod 23 does not have movement；When the second pull rod 23 when moving under control, and the second rotatable lamella 212 is rotated around the second rotary shaft 214, as shown in figure 3, the first pull rod 22 and mirror The point (i.e. for driving the point of the first rotary shaft 213) that surface backplate is connected will be along circular rotatable, the radius of circle and tie point institute It is related with along 213 rotational angle of the first rotary shaft and along 214 rotational angle of the second rotary shaft to locate circle upper angle, variation presence is only One variation relation determined, therefore can be according to along the first rotary shaft 213, the first rotation of 214 current angular of the second rotary shaft adjustment The length of first pull rod 22 corresponding to shaft 213 is to adapt to the angle change of the second rotary shaft 214.

In another embodiment, with reference to Fig. 5, the settled date mirror drive of the utility model includes: universal shaft 21, first Drag-line 41, the second drag-line 42, third drag-line 43, the 4th drag-line 44；I.e. with the pull rod being previously mentioned in drag-line replacement previous embodiment. Since pull rod itself both can apply thrust to heliostat minute surface, pulling force can also be applied, and drag-line can only be to heliostat minute surface Apply pulling force, therefore needs to be replaced two pull rods in previous embodiment in the present embodiment with four drag-lines.A piece drag-line One end may pass through and the sets of holes on heliostat pillar and then be mounted on the pedestal of heliostat, the other end is mounted on the mirror of heliostat On surface backplate.Two drag-lines partner, and are located at the two sides of heliostat mirror column and are in hanging down where same rotary shaft In facing directly.For example, first drag-line 41, the second drag-line 42 partner, it is vertical that one end of the first drag-line 41 may pass through heliostat Sets of holes on column are mounted on the pedestal of heliostat in turn, and the other end is mounted on the mirror surface backboard of heliostat, in heliostat mirror The opposite side of column, one end of the second drag-line 42 may pass through the sets of holes on heliostat pillar and then be mounted on the pedestal of heliostat, The other end is then mounted on the mirror surface backboard of heliostat, and the first drag-line 41, the second drag-line 42 are in where the second rotary shaft 214 Vertical plane on.Third drag-line 43, the 4th drag-line 44 partner, and one end of third drag-line 43 may pass through on heliostat pillar Sets of holes are mounted on the pedestal of heliostat in turn, and the other end is then mounted on the mirror surface backboard of heliostat, in heliostat mirror column Opposite side, one end of the 4th drag-line 44 may pass through the sets of holes on heliostat pillar and then be mounted on the pedestal of heliostat, another End is then mounted on the mirror surface backboard of heliostat, and third drag-line 43, the 4th drag-line 44 are in hanging down for 213 place of the first rotary shaft It faces directly.

In the implementation, the structure and previous embodiment of universal shaft 21 have no difference, therefore do not do weight to its technical detail Multiple description.

The heliostat of the driving device is installed in tracking, when the first drag-line 41, the second drag-line 42 move under control, First rotatable lamella 211 is rotated around the first rotary shaft 213, the point that third drag-line 43, the 4th drag-line 44 are connected with mirror surface backboard The position of (i.e. for driving the point of the second rotary shaft 214) remains unchanged, therefore the length of third drag-line 43, the 4th drag-line 44 is not It can change, the 4th drag-line 44 of third drag-line 43 does not have movement；When third drag-line 43, the 4th drag-line 44 move under control When, the second rotatable lamella 212 is rotated around the second rotary shaft 214, as shown in figure 3, the first drag-line 41, the second drag-line 42 are carried on the back with mirror surface The point (i.e. for driving the point of the first rotary shaft 213) that plate is connected will be along circular rotatable, circle locating for the radius of circle and tie point Upper angle is related to along 213 rotational angle of the first rotary shaft and along 214 rotational angle of the second rotary shaft, and the variation existence anduniquess is true Fixed variation relation, therefore the first rotary shaft can be adjusted according to along the first rotary shaft 213,214 current angular of the second rotary shaft The length of first drag-line 41, the second drag-line 42 corresponding to 213 is to adapt to the angle change of the second rotary shaft 214.

Fig. 6 be the settled date mirror drive of the utility model rotary shaft and existing settled date mirror drive rotary shaft it Between comparison figure, as depicted on the left hand side of fig. 6, in the settled date mirror drive of the utility model, the first rotary shaft 213, second Rotary shaft 214 is in sustained height, and on the right side of Fig. 6 shown in existing settled date mirror drive, the first rotary shaft 3 is located at the On two rotary shafts 4, it can be seen that, in the settled date mirror drive of the utility model, the rotary shaft and axis of driving device connect More existing driving device has significant decrease to binding structure on the whole, this just effectively reduces the rotary inertia of driving device, right As long as lesser thrust or pulling force when heliostat drives, can be used when selecting pull rod material requirements is lower, manufacturing process compared with For simple pull rod, or even drag-line can be used to realize the pulling to heliostat.It is finally reached the mesh for reducing driving device cost 's.

In conclusion the settled date mirror drive driving device more in the prior art of the utility model has pole in structure Big simplification can substantially reduce the construction weight and rotary inertia of entire driving device, therefore to the pulling force demand of pull rod It is greatly reduced.

It should be noted last that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application.To the greatest extent Pipe is described in detail the utility model referring to embodiment, those skilled in the art should understand that, it is practical to this Novel technical solution is modified or replaced equivalently, without departing from the spirit and scope of the technical scheme of the present invention, It should all cover in the scope of the claims of the utility model.

Claims (6)

1. a kind of settled date mirror drive characterized by comprising universal shaft (21), the first power sub-system, the second power System；Wherein,

The universal shaft (21) includes the first rotatable lamella (211), the second rotatable lamella (212), the first rotary shaft (213), the second rotation Shaft (214)；Circlewise, the first rotatable lamella (211) passes through the first rotary shaft (213) and settled date to first rotatable lamella (211) The column cap (24) of mirror column connects, and second rotatable lamella (212) is circlewise and its internal diameter is slightly larger than first rotatable lamella (211) outer diameter, first rotatable lamella (211) are located in second rotatable lamella (212), second rotatable lamella (212) It is connect by second rotary shaft (214) with first rotatable lamella (211)；First rotary shaft (213) and the second rotation Shaft (214) is orthogonal, when first rotatable lamella (211) rotates around the first rotary shaft (213), first rotatable lamella (211) the second rotatable lamella (212) are driven to rotate together with, when second rotatable lamella (212) surrounds second rotary shaft (214) When rotation, first rotatable lamella (211) is motionless, and second rotatable lamella (212) rotates alone；

First power sub-system is located on the vertical plane where second rotary shaft (214), the second power subsystem System is on the vertical plane where first rotary shaft (213), first power sub-system and the second power subsystem System matches, and the rotation of universal shaft (21) is surrounded for realizing heliostat minute surface.

2. settled date mirror drive according to claim 1, which is characterized in that first power sub-system is the first drawing Bar (22), second power sub-system are the second pull rod (23)；Wherein,

One end of first pull rod (22) is mounted on the column of heliostat, and the other end is installed by the second universal shaft (25) On the mirror surface backboard of heliostat, and this both ends is on the vertical plane where second rotary shaft (214)；Described second One end of pull rod (23) is mounted on the column (26) of heliostat, and the other end is carried on the back by the mirror surface that universal shaft is mounted on heliostat On plate, and this both ends is on the vertical plane where the first rotary shaft (213).

3. settled date mirror drive according to claim 2, which is characterized in that when first pull rod (22) under control When movement, first rotatable lamella (211) rotates around first rotary shaft (213), the second pull rod (23) and mirror surface backboard The position for the point being connected remains unchanged, and the length of second pull rod (23) will not change, second pull rod (23) Movement is not had；

When second pull rod (23) moves under control, second rotatable lamella (212) turns around the second rotary shaft (214) Dynamic, for the point that first pull rod (22) is connected with mirror surface backboard along circular rotatable, circle locating for the radius of circle and tie point goes up angle Degree is related to along the first rotary shaft (213) rotational angle and along the second rotary shaft (214) rotational angle, according to described First rotary shaft (213), the second rotary shaft (214) current angular adjust the first pull rod corresponding to first rotary shaft (213) (22) length is to adapt to the angle change of second rotary shaft (214).

4. settled date mirror drive according to claim 1, which is characterized in that first power sub-system includes first Drag-line (41), the second drag-line (42), second power sub-system include third drag-line (43), the 4th drag-line (44)；Wherein,

One end of first drag-line (41) passes through the sets of holes on heliostat pillar and then is mounted on the pedestal of heliostat, another End is mounted on the mirror surface backboard of heliostat, and in the opposite side of heliostat mirror column, it is fixed that one end of second drag-line (42) passes through Sets of holes on solar eyepiece column are mounted on the pedestal of heliostat in turn, and the other end is then mounted on the mirror surface backboard of heliostat, institute State the first drag-line (41), the second drag-line (42) is on the vertical plane where second rotary shaft (214)；

One end of the third drag-line (43) passes through the sets of holes on heliostat pillar and then is mounted on the pedestal of heliostat, another End is then mounted on the mirror surface backboard of heliostat, is passed through in one end of the opposite side of heliostat mirror column, the 4th drag-line (44) Sets of holes on heliostat pillar are mounted on the pedestal of heliostat in turn, and the other end is then mounted on the mirror surface backboard of heliostat, The third drag-line (43), the 4th drag-line (44) are on the vertical plane where the first rotary shaft (213).

5. settled date mirror drive according to claim 4, which is characterized in that when first drag-line (41), second are drawn Rope (42) moves under control, and first rotatable lamella (211) rotates around first rotary shaft (213), and the third is drawn The position for the point that rope (43), the 4th drag-line (44) are connected with mirror surface backboard remains unchanged, third drag-line (43), the 4th drag-line (44) length will not change, and third drag-line (43), the 4th drag-line (44) do not have movement；

When third drag-line (43), the 4th drag-line (44) move under control, second rotatable lamella (212) surrounds described second Rotary shaft (214) rotation, the point that the first drag-line (41), the second drag-line (42) are connected with mirror surface backboard will be along circular rotatables, should Circle upper angle locating for radius of circle and tie point is rotated with along the first rotary shaft (213) rotational angle and along the second rotary shaft (214) Angle is related, corresponding according to the first rotary shaft (213), the second rotary shaft (214) current angular adjustment the first rotary shaft (213) First drag-line (41), the second drag-line (42) length to adapt to the angle changes of the second rotary shaft (214).

6. a kind of heliostat, which is characterized in that the heliostat that the heliostat uses one of described claim 1-5 drives dress It sets.