CN109724270A - Heliostat with movable opening - Google Patents
Heliostat with movable opening Download PDFInfo
- Publication number
- CN109724270A CN109724270A CN201910082778.4A CN201910082778A CN109724270A CN 109724270 A CN109724270 A CN 109724270A CN 201910082778 A CN201910082778 A CN 201910082778A CN 109724270 A CN109724270 A CN 109724270A
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- China
- Prior art keywords
- mirror
- heliostat
- sub
- activity
- truss
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 38
- 239000011521 glass Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Abstract
The invention provides a heliostat with a movable opening, which comprises a sub-mirror main body, a movable sub-mirror, a power transmission mechanism, a linear driver and a local control box, wherein the sub-mirror main body is connected with the movable sub-mirror through the linear driver, one end of the local control box is connected with the movable sub-mirror through the linear driver, the other end of the local control box is connected with the sub-mirror main body through the power transmission mechanism, the sub-mirror main body comprises a fixed sub-mirror and a truss, the fixed sub-mirror is arranged on the truss, the movable sub-mirror and the power transmission mechanism are both connected with the truss, the heliostat also comprises a torque tube and an upright post, the truss is arranged on the upright post through the torque tube, and the local control box is arranged on the upright post. The condensing efficiency of the heliostat field is improved.
Description
Technical field
The invention belongs to solar energy thermal-power-generating field, in particular to a kind of tower type solar energy thermal power generation station is opened with activity
The heliostat device of mouth.
Background technique
Solar energy thermal-power-generating because can undertake power grid basic load and have energy storage advantage obtain in the world it is universal
Concern.One mode of the tower type solar energy thermal power generation as solar energy thermal-power-generating, citation form is will too using heliostat field
Sunlight converges on heat dump, heating working medium, generates steam, so that pushing turbine generates electricity.
In tower-type solar thermal power generating system, heliostat is generally tied by glass reflector, support as light focusing unit
Structure, transmission device and control system composition, cost account for about 40% or more of tower-type solar thermal power generating system totle drilling cost.Cause
How this, optimize heliostat structure, reduces heliostat cost, and improving heliostat light gathering efficiency becomes tower type solar energy thermal power generation system
Important subject in commercialization process of uniting.
The heliostat being used widely at this stage is T-type heliostat mostly, such as 201220401833.5 He of Chinese patent
Described in Chinese patent 201810039482.X, the mirror surface of heliostat is rectangle, and due to the presence of column, heliostat is in pitch axis side
To at most running to state perpendicular to the ground.This heliostat in an inactive state when need to be in collection protection posture, i.e.,
Heliostat is tied, and in reflecting surface horizontal direction, can reduce wind load to the greatest extent in this way.But heliostat dust pole under this posture
It easily is deposited in mirror surface, reflectivity is greatly lowered, and then influences mirror field light gathering efficiency, especially most of sun
Energy thermal power station all build the biggish desert of dust storm or desert area in, and this dust fall phenomenon is even more serious, seriously affects power station
Efficiency.It in the operational process in power station, in order to reduce this influence, needs to increase reflecting mirror cleaning frequency, determines to increase
Solar eyepiece maintenance cost.In order to solve this problem, there is the heliostat design with opening, i.e., in heliostat relative to column
Position leaving certain gaps uncovered by the economic plan, as described in Chinese patent 201720304488.6, in heliostat pitching axis direction, there are a notches；For another example
Described in 201810357404 .4 of Chinese patent, in pitching axis direction absolutely not reflecting mirror of the heliostat relative to column, so that
Heliostat minute surface is divided into two parts.The heliostat of this band opening can be in back-off posture when being in collection protection operating condition,
I.e. under reflecting surface horizontal direction, wind load not only can be reduced in this way, but also can effectively reduce mirror surface dust fall.But the defect of this design is
The reflecting surface of heliostat is jagged, wastes the specular cross section of heliostat, reduces the power output of single side heliostat, so that mirror
Field needs to install more heliostats, to increase mirror field cost.
Summary of the invention
In order to solve the defects of prior art, the present invention provides a kind of heliostat with active open, protecting it
It protects at back-off posture under collecting state, so that it is effectively reduced dust fall, when heliostat is in working condition, settled date mirror surface
Notch can be filled again, so that the specular cross section of heliostat will not be reduced, not only reduce the maintenance cost of heliostat in this way, but also
Improve heliostat field light gathering efficiency.
To achieve the above object the invention provides the following technical scheme:
A kind of heliostat with active open, the heliostat with active open include sub- mirror main body, the sub- mirror of activity, move
Force transmission mechanism, Linear actuator and local control cabinet, the sub- mirror main body are described by the sub- mirror of Linear actuator connection activity
Local control cabinet one end passes through power drive mechanism connexon mirror main body by the sub- mirror of Linear actuator connection activity, the other end.
Further, the sub- mirror main body includes stator mirror and truss, and the stator mirror is arranged on the truss,
The sub- mirror of activity is connect with the truss with power drive mechanism.
Further, the heliostat further includes torque tube and column, and the truss is arranged by torque tube described vertical
On column, the local control cabinet is arranged on the column.
Further, the truss is connect by the torque tube with power drive mechanism, and the power drive mechanism is set
Set the junction in the column and torque tube.
Further, the sub- mirror of activity includes support construction, shaft and several pieces of glass reflectors, several pieces of glass
Glass reflecting mirror is fixed in the support construction, and the sub- mirror of activity is connect by shaft with the truss.
Further, the Linear actuator includes preceding hinged seat, telescopic putter and rear hinged seat, and the preceding hinged seat is logical
It crosses telescopic putter to connect with the rear hinged seat, the preceding hinged seat is connect with the sub- mirror of activity, the rear hinged seat setting
On the truss.
Further, position opposite with the column below the torque tube, the work is arranged in the sub- mirror of activity
The length of side length is all larger than the diameter or side length of the column cross-section above and below mover mirror.
Further, position opposite with the column cylinder below the stator mirror mirror surface is equipped with active open, institute
The active open area for stating stator mirror is equal to the area of the sub- mirror of activity.
Further, the local control cabinet includes power supply, heliostat controller and motor driver, the heliostat control
Device and motor driver processed are connect with the power supply, and the heliostat controller connects the power by motor driver and passes
Motivation structure and Linear actuator.
Beneficial effects of the present invention are as follows:
1, the present invention increases active open on the basis of original heliostat, realizes when heliostat is in protection collecting state
When, heliostat, to effectively reduce the cleaning frequency of dust fall and heliostat, can reduce Jing Chang at back-off posture by active open
Maintenance cost, and when heliostat is in working condition, active open can be closed, and the notch of heliostat reflecting surface passes through activity
Sub- mirror can be filled, so that the specular cross section of heliostat will not be sacrificed, can guarantee the power output of heliostat, improve heliostat field
Light gathering efficiency；
2, work as the configuration of the present invention is simple, installation cost of manufacture is lower, and easy to adjust, be easily manipulated, spotlight effect is good, practicability compared with
By force, there is promotional value.
Detailed description of the invention
Fig. 1 is the heretofore described heliostat planar structure schematic diagram with active open；
Fig. 2 is the sub- mirror of heretofore described activity and Linear actuator planar structure schematic diagram；
Fig. 3 is the heretofore described heliostat off working state floor map with active open；
Fig. 4 is the heretofore described heliostat working condition floor map with active open.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.On the contrary, the present invention cover it is any be defined by the claims do on the essence and scope of the present invention
Substitution, modification, equivalent method and scheme.Further, in order to make the public have a better understanding the present invention, below to this
It is detailed to describe some specific detail sections in the datail description of invention, it is thin without these for a person skilled in the art
The present invention can also be understood completely in the description of section part.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as a limitation of the invention.
The embodiment of the present invention is described in detail with reference to the accompanying drawing:
As Figure 1-Figure 4, the present invention provides a kind of heliostat with active open, the heliostat with active open
Including sub- mirror main body 9, the sub- mirror 7 of activity, power drive mechanism 4, Linear actuator 8 and local control cabinet 6, the sub- mirror main body 9
The sub- mirror 7 of the activity is connected by the Linear actuator 8, described local 6 one end of control cabinet is connected by the Linear actuator 8
The sub- mirror 7 of the activity is connect, the other end connects the sub- mirror main body 9 by power drive mechanism 4.
The sub- mirror main body 9 includes stator mirror 1 and truss 2, and the stator mirror 1 is arranged on the truss 2, described
The sub- mirror 7 of activity is connect with the truss 2 with power drive mechanism 4.
The heliostat further includes torque tube 3 and column 5, and the truss 2 is arranged by the torque tube 3 in the column
On 5, the truss 2 is connect by the torque tube 3 with the power drive mechanism 4, and the power drive mechanism 4 is arranged in institute
The junction of column 5 Yu the torque tube 3 is stated, the local control cabinet 6 is arranged on the column 5.
The sub- mirror 7 of activity includes support construction 72, shaft 73 and several pieces of glass reflectors 71, several blocks of glass
Reflecting mirror 71 is fixed in the support construction 72, and it is anti-that the support construction 72 supports and fixes several blocks of glass
Mirror 71 is penetrated, the sub- mirror 7 of activity is connect by the shaft 73 with the truss 2.
The Linear actuator 8 includes preceding hinged seat 81, telescopic putter 82 and rear hinged seat 83, and the preceding hinged seat 81 is logical
It crosses the telescopic putter 82 to connect with the rear hinged seat 83, the preceding hinged seat 81 is connect with the sub- mirror 7 of the activity, after described
Hinged seat 83 is arranged on the truss 2.
Position opposite with the column 5 below the torque tube 3, the sub- mirror 7 of activity is arranged in the sub- mirror 7 of activity
The length of upper and lower side length is all larger than the diameter or side length of 5 cross section of column.
The position opposite with 5 cylinder of column is equipped with active open, the stator below 1 mirror surface of stator mirror
The active open area of mirror 1 is equal to the area of the sub- mirror 7 of the activity.
The electronics such as power supply, heliostat controller and motor driver are installed in the local control cabinet 6, are electrically set
It is standby.
The stator mirror 1 is generally glued by glass reflector and metal backing, and the column 5 supports entire fixed
Solar eyepiece, the column 5 are directly anchored on mixed mud ground, and the column 5 offers aperture, facilitate wiring, and described stretch pushes away
Bar 82 can be electric pushrod, be also possible to hydraulic push rod, and the Linear actuator 8 can be controlled according to the instruction of operator
The sub- mirror 7 of the activity is packed up or put down to the rotation of the sub- mirror 7 of activity according to the actual working conditions.
The power drive mechanism 4 refers generally to motor and speed reducer, the motor include but is not limited to DC brushless motor,
AC induction motor, servo motor etc., the speed reducer include but is not limited to gearbox speed reduction machine, planetary reducer, RV deceleration
The power that engine issues is transmitted to torque tube 3 by machine etc., the power drive mechanism 4, is transported by torque tube 3 with mover mirror main body
It is dynamic, in addition, the power that engine issues is transmitted to Linear actuator 8 by the power drive mechanism 4, pass through 8 band of Linear actuator
The dynamic sub- mirror 7 of activity moves.
When Jing Chang is in high wind conditions or stops working, heliostat is needed in collection protection operating condition, i.e. inoperative
State requires heliostat to lay flat to reduce wind load at this time, the settled date that at this moment Linear actuator 8 can be manipulated in operator
Under the control of mirror controller, the sub- mirror 7 of the activity is received by the pulling of the telescopic putter 82 and the rotation of the shaft 73
It rises, heliostat active open is opened at this time, and notch occurs in 1 mirror surface of stator mirror, and operator is by manipulating the local control
The heliostat controller of case 6 processed drives the power drive mechanism 4, and the power drive mechanism 4 is driven by the torque tube 3
The stator mirror 1 is in azimuth axis and the movement rotation of pitching axis direction, and the stator mirror 1 is at back-off posture, i.e., described at this time
1 mirror surface of stator mirror lays flat face ground downward, to effectively reduce dust fall, as shown in Figure 3.
When heliostat is in running order, the Linear actuator 8 passes through under the control of the heliostat controller
It pushes and pulls the telescopic putter 82 and rotates the shaft 73 and put down the sub- mirror 7 of the activity, the sub- mirror 7 of the activity will be described at this time
The mirror surface notch of stator mirror 1 is filled up, as shown in figure 4, thus will not influence the specular cross section of heliostat, it will not
The power output for reducing heliostat, ensure that the light gathering efficiency of Jing Chang.
Claims (9)
1. a kind of heliostat with active open, which is characterized in that the heliostat with active open includes sub- mirror master
Body, the sub- mirror of activity, power drive mechanism, Linear actuator and local control cabinet, the sub- mirror main body are connected by Linear actuator
It takes over a job mover mirror, by the sub- mirror of Linear actuator connection activity, the other end passes through power transmission machine for described local control cabinet one end
Structure connexon mirror main body.
2. heliostat according to claim 1, which is characterized in that the sub- mirror main body includes stator mirror and truss, described
Stator mirror is arranged on the truss, and the sub- mirror of activity is connect with the truss with power drive mechanism.
3. heliostat according to claim 2, which is characterized in that the heliostat further includes torque tube and column, the purlin
Frame is arranged on the column by torque tube, and the local control cabinet is arranged on the column.
4. heliostat according to claim 2, which is characterized in that the truss passes through the torque tube and power drive mechanism
The junction of the column and torque tube is arranged in connection, the power drive mechanism.
5. heliostat according to claim 2, which is characterized in that the sub- mirror of activity includes support construction, shaft and several
Block glass reflector, several pieces of glass reflectors are fixed in the support construction, and the sub- mirror of activity is by turning
Axis is connect with the truss.
6. heliostat according to claim 2, which is characterized in that the Linear actuator includes preceding hinged seat, telescopic putter
With rear hinged seat, the preceding hinged seat is connect by telescopic putter with the rear hinged seat, the preceding hinged seat and the activity
Sub- mirror connection, the rear hinged seat are arranged on the truss.
7. heliostat according to claim 3, which is characterized in that the sub- mirror of activity is arranged below the torque tube and institute
State the opposite position of column, the length of the sub- mirror of activity side length up and down be all larger than the column cross-section diameter or side length it is long
Degree.
8. heliostat according to claim 3, which is characterized in that the stator mirror mirror surface lower section and the column cylinder phase
Pair position be equipped with active open, the active open area of the stator mirror is equal to the area of the sub- mirror of activity.
9. heliostat according to claim 1, which is characterized in that the local control cabinet includes power supply, heliostat controller
And motor driver, the heliostat controller and motor driver are connect with the power supply, the heliostat controller is logical
It crosses motor driver and connects the power drive mechanism, the heliostat controller connects the Linear actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910082778.4A CN109724270A (en) | 2019-01-28 | 2019-01-28 | Heliostat with movable opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910082778.4A CN109724270A (en) | 2019-01-28 | 2019-01-28 | Heliostat with movable opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109724270A true CN109724270A (en) | 2019-05-07 |
Family
ID=66301193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910082778.4A Pending CN109724270A (en) | 2019-01-28 | 2019-01-28 | Heliostat with movable opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109724270A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918211A (en) * | 2022-04-19 | 2022-08-19 | 东方电气集团东方锅炉股份有限公司 | Heliostat cleaning device and cleaning method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227513A (en) * | 1978-10-23 | 1980-10-14 | Atlantic Richfield Company | Solar system having improved heliostat and sensor mountings |
| CN105353498A (en) * | 2015-11-24 | 2016-02-24 | 中国科学院电工研究所 | Anti-hail heliostat |
| CN106842494A (en) * | 2017-04-17 | 2017-06-13 | 深圳东康前海新能源有限公司 | A kind of heliostat structure |
| CN206399009U (en) * | 2017-01-09 | 2017-08-11 | 中国科学院电工研究所 | A kind of heliostat |
| CN208431967U (en) * | 2018-04-10 | 2019-01-25 | 周梦辉 | A kind of adjustable solar water heater of reflection plate suqare |
| CN208431959U (en) * | 2018-07-06 | 2019-01-25 | 安徽光鼎晶新能源科技有限公司 | A kind of efficient solar water heater |
| CN210242039U (en) * | 2019-01-28 | 2020-04-03 | 北京首航艾启威节能技术股份有限公司 | Heliostat with movable opening |
-
2019
- 2019-01-28 CN CN201910082778.4A patent/CN109724270A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227513A (en) * | 1978-10-23 | 1980-10-14 | Atlantic Richfield Company | Solar system having improved heliostat and sensor mountings |
| CN105353498A (en) * | 2015-11-24 | 2016-02-24 | 中国科学院电工研究所 | Anti-hail heliostat |
| CN206399009U (en) * | 2017-01-09 | 2017-08-11 | 中国科学院电工研究所 | A kind of heliostat |
| CN106842494A (en) * | 2017-04-17 | 2017-06-13 | 深圳东康前海新能源有限公司 | A kind of heliostat structure |
| CN208431967U (en) * | 2018-04-10 | 2019-01-25 | 周梦辉 | A kind of adjustable solar water heater of reflection plate suqare |
| CN208431959U (en) * | 2018-07-06 | 2019-01-25 | 安徽光鼎晶新能源科技有限公司 | A kind of efficient solar water heater |
| CN210242039U (en) * | 2019-01-28 | 2020-04-03 | 北京首航艾启威节能技术股份有限公司 | Heliostat with movable opening |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918211A (en) * | 2022-04-19 | 2022-08-19 | 东方电气集团东方锅炉股份有限公司 | Heliostat cleaning device and cleaning method |
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Address after: Room 208, building 3, No.2 Yushun Road, Daxing District, Beijing 102602 Applicant after: Shouhang high tech energy technology Co., Ltd Address before: 100070, Beijing Fengtai District headquarters base three District 20 Applicant before: SHOUHANG RESOURCES SAVING |
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Address after: 730311 no.2888, North Qilianshan Avenue, Lanzhou New District, Lanzhou City, Gansu Province (room 317, zone B, comprehensive service building, comprehensive free trade zone) Applicant after: Shouhang high tech energy technology Co.,Ltd. Address before: Room 208, building 3, No.2 Yushun Road, Daxing District, Beijing Applicant before: Shouhang high tech energy technology Co.,Ltd. |
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Address after: 735000 room 307, No. 23, West Street, northwest street, Suzhou District, Jiuquan City, Gansu Province Applicant after: Shouhang high tech energy technology Co.,Ltd. Address before: 730311 no.2888, North Qilianshan Avenue, Lanzhou New District, Lanzhou City, Gansu Province (room 317, zone B, comprehensive service building, comprehensive free trade zone) Applicant before: Shouhang high tech energy technology Co.,Ltd. |