CN207366817U - A kind of sub- mirror surface-shaped control device of settled date mirror unit - Google Patents
A kind of sub- mirror surface-shaped control device of settled date mirror unit Download PDFInfo
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- CN207366817U CN207366817U CN201720600202.9U CN201720600202U CN207366817U CN 207366817 U CN207366817 U CN 207366817U CN 201720600202 U CN201720600202 U CN 201720600202U CN 207366817 U CN207366817 U CN 207366817U
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- mirror
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- pattern
- speculum
- cambered surface
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The utility model discloses a kind of sub- mirror surface-shaped control device of settled date mirror unit, belong to tower type solar photo-thermal power generation field, device includes pattern, capping and vacuum extractor, and to fix the supporting mechanism of the speculum after shaping in mirror back surface, pattern has a hollow cavity, hollow cavity one side is cambered surface, another side is hatch frame, cambered surface face shape and reflecting mirror surface shape for forming it is consistent and can with speculum is positive closed is bonded, and the vacuum hole of some connection hollow cavities is distributed with cambered surface, hatch frame is by capping removable seal, the detachable connection vacuum extractor of capping.Method is that the structure type of speculum cambered surface is constructed by itself curve form of pattern cambered surface, while pattern passes through vacuum suction mode contoured reflective minute surface shape.The utility model solves the shortcomings that sub- mirror surface-shaped forming technique low production efficiency of traditional heliostat mirrors unit, of high cost, automation bad adaptability.
Description
Technical field
The utility model belongs to tower type solar photo-thermal power generation field, more particularly to prepared by the sub- mirror of settled date mirror unit.
Background technology
Tower type solar photo-thermal power generation is one of principal mode in solar energy thermal-power-generating.Its basic principle is：Utilize crowd
The Jing Chang that multiple heliostats are formed, by heat collector of the sunlight by one or many reflecting focals to fixed position, heating collects
Working medium in hot device, working medium again by conveying, heat accumulation, with water heat exchange etc. link, produce superheated steam promotion steam turbine generator into
Row power generation.
The effect of Jing Chang is light and heat collection in tower photo-thermal power station, it is made of some settled date mirror devices, every settled date
Mirror all plays the role of sunlight reflecting focal.With the continuous maturation of photo-thermal power generation technology, unit capacity gradually increases, fixed
Solar eyepiece number of devices is consequently increased, and heliostat cost accounts for the half of whole tower-type electricity generation gross investment, how to improve heliostat
Performance, the cost of reduction heliostat are particularly important.
General heliostat, especially large-scale heliostat, be by the sub- microscope group of multiple units into.Due to the original of the sun angle of divergence
Cause, mirror outside the venue portion heliostat by hot spot be gathered in heat absorption tower in the range of, it is necessary to the sub- mirror of the less unit of usable floor area.But
The sub- mirror of facet product unit considerably increases sub- mirror manufacture, installation, adjustment and maintenance cost.Therefore using the sub- mirror of large area unit
It is economically viable, the sub- mirror reflecting surface of unit just needs have certain curve form at this time, plays the role of the convergence of light, subtracts
It is small to overflow loss.
The curve form of speculum is complicated, it is necessary to determined according to heliostat and heat absorption tower target point distance, manufacture difficulty compared with
Greatly.Conventional method is that people visually observes the light spot shape that speculum reflected sunlight is formed, and manually adjusts back of reflecting mirror tune
Engagement positions make hot spot aggregation within limits, and there are following some problems：Such a method efficiency is low, homogeneity of product is poor.
Easily influenced be subject to manually with weather conditions.The method being adjusted using traditional frock, there are frock adjustment at initial stage work
Amount is big, precision stability is poor, is unfavorable for the problems such as production automation.And use the technical construction speculums such as finishing, punching press bent
The method in face, but there are the problem of production cost is high, assembly precision requirement is high.
Utility model content
The purpose of this utility model is that：For the sub- mirror surface-shaped forming technique production efficiency of traditional heliostat mirrors unit
It is low, of high cost, automation bad adaptability the shortcomings that, there is provided a kind of sub- mirror surface-shaped control device of settled date mirror unit.
The utility model aim is realized by following technical proposals：
A kind of sub- mirror surface-shaped control device of settled date mirror unit, including pattern and vacuum extractor, and in speculum
The supporting mechanism of the speculum after shaping is fixed at the back side, and pattern has a hollow cavity, and hollow cavity one side is cambered surface, cambered surface
Face shape and reflecting mirror surface shape for forming it is consistent and can with speculum it is positive it is closed be bonded, and be distributed with cambered surface in some connections
The vacuum hole of cavity body, vacuum extractor connect to vacuumize with hollow cavity.
Alternatively, the surface that cambered surface is contacted with speculum is rough surface.In the program, table that cambered surface is contacted with speculum
Face is appropriate rough surface, while reducing device air leakage, the separation of pattern and speculum after being molded beneficial to sub- mirror.
Alternatively, the locating ring that a circle is set along cambered surface edge is further included.In the program, locating ring can not only play
The effect of speculum auxiliary positioning, additionally it is possible to reduce air loss during absorption.
As further selection, locating ring is continuously set along cambered surface edge or interruption is set.In the program, it is continuous set or
Interruption is set, and continuous arrangement is more advantageous to the air-tightness of device, and intermittently-arranged locating ring not only improves speculum and pasted with pattern
The exclusion of air during conjunction, and be conducive to the removal of speculum when equipment breaks down.
Alternatively, capping is further included, hollow cavity one side is hatch frame, and hatch frame is detachable close by covering
Envelope, covers detachable connection vacuum extractor.
As further selection, pattern hatch frame side and capping are correspondingly provided with seal groove, and pattern and capping pass through embedding
The sealing ring for entering seal groove is tightly connected.
Alternatively, for supporting back board, either stent supporting back board or stent are glued or are bolted solid supporting mechanism
Due to mirror back surface.In the program, by pattern pre-structured reflecting mirror surface shape shape, supporting back board or stent use bonding
Agent or bolt keep reflecting mirror surface shape, settled date mirror unit mirror of the production with preferable arc shape.
The foregoing main scheme of the utility model and its each further selection scheme can be freely combined to form multiple schemes,
The scheme that can be used and be claimed for the utility model；And the utility model, (each non conflicting selection) selection between and and
It can also be freely combined between other selections.Those skilled in the art after the utility model is understood according to the prior art and
Common knowledge, which can understand, multiple combinations, is the claimed technical solution of the utility model, does not do exhaustion herein.
The course of work is：The structure type of speculum cambered surface is constructed by itself curve form of pattern cambered surface, at the same time
Pattern passes through vacuum suction mode contoured reflective minute surface shape.
The beneficial effects of the utility model：
1. pattern described in the utility model is easy to process, formed precision is high, the mode such as add can by punching press, casting and machine
Preferable cambered surface curve form is obtained, the materials such as plastics, common metal can be selected by mold materials, manufacture cost is low.
2. surface figure accuracy retention property is good during pattern use described in the utility model, due between speculum and pattern
Contacted for face, for pattern using small, long lifespan is worn, operation and maintenance cost is low.
3. device using flexible described in the utility model, easy to operate, production efficiency is high, good product consistency.
4. device ancillary equipment described in the utility model is few, cost is low, it is only necessary to is equipped with that manipulator, vacuum pump etc. are general to be set
It is standby to realize automated production.
Brief description of the drawings
The dimensional structure diagram at the positive visual angle of the pattern of Fig. 1 the utility model；
The dimensional structure diagram at the back side visual angle of the pattern of Fig. 2 the utility model；
Fig. 3 is the partial enlarged view of Fig. 2；
The pattern of Fig. 4 the utility model closure construction schematic diagram；
The assembling schematic diagram of the mode one of Fig. 5 the utility model methods；
The assembling schematic diagram of the mode two of Fig. 6 the utility model methods；
Wherein pattern 1, cambered surface 2, vacuum hole 3, hollow cavity 4, locating ring 5, pattern seal groove 6, connecting hole 7, connecting hole
8th, air inlet 9, lidstock groove 10, capping 11, speculum 12, supporting back board or stent 13, adhesive 14, bolt 15, solid
Determine tie point 17, locking nut 18.
Embodiment
Following non-limiting examples are used to illustrate the utility model.Due to speculum ideal surface shape almost plane,
It should not observe, in order to better illustrate the utility model, attached drawing has carried out expansion processing to arc shape.
Referring to figs. 1 to shown in 6, a kind of sub- mirror surface-shaped control device of settled date mirror unit, including pattern 1, capping 11 and pumping are true
Empty device, and to fix the supporting mechanism of the speculum 12 after shaping at 12 back side of speculum, supporting mechanism is preferably branch
Either 13 supporting back board of stent or stent 13 are glued or are bolted and be fixed on 12 back side of speculum support backboard.Pattern 1 has
One hollow cavity 4,4 one side of hollow cavity are cambered surface 2, and another side is hatch frame, 2 face shape of cambered surface and reflection for forming
12 face shape of mirror it is consistent and can with the front of speculum 12 is closed is bonded, and some vacuum for connecting hollow cavities 4 are distributed with cambered surface 2
Hole 3, hatch frame detachably connect vacuum extractor by covering 11 removable seals, capping 11.Pattern 1 needs necessary capping
11 form the vacuum chamber of closing.4 volume of hollow cavity in the case where meeting adsorption entails and providing certain gas leakage surplus,
As far as possible small.The size and number of vacuum hole 3 is determined by 12 area of speculum, surface figure accuracy requirement.2 shape of cambered surface is by heliostat
Determined apart from heat dump target point distance and spot size.The surface that cambered surface 2 is contacted with speculum 12 is rough surface, beneficial to son
The separation of pattern and speculum after mirror shaping, but the coarse surface roughness should not be too large, and reduce air loss during absorption.Edge
2 edge of cambered surface is additionally provided with the locating ring 5 of a circle, and locating ring 5 is in flare form, can be continuous or intermittently-arranged.Locating ring 5 is not
12 auxiliary positioning of speculum can only be played the role of, additionally it is possible to reduce air loss during absorption.1 hatch frame side of pattern
Pattern seal groove 6 and lidstock groove 10,11 sealing rings by embedding sealing groove of pattern 1 and capping are correspondingly provided with capping 11
It is tightly connected, pattern 1 is connected with being correspondingly provided with connecting hole 7, pattern 1 in capping 11 with capping 11 using the bolt through connecting hole 7
Connect.
A kind of sub- mirror surface-shaped control method of settled date mirror unit, using the sub- mirror surface-shaped control device of foregoing day mirror unit, successively
Comprise the following steps：
1) according to heliostat apart from heat dump target point distance and spot size determine speculum 12 needed for cambered surface so that
Determine and the mode such as add to construct pattern cambered surface 2 by punching press, casting and machine so that 1 cambered surface of pattern, 2 face shape and reflection for forming
12 face shape of mirror is consistent；
2) pattern 1 and capping 11 are tightly connected, 12 front of speculum is then placed with cambered surface 2 or passed through pattern
1 directly removes absorption speculum 12, and 12 position of speculum is carried out spacing by locating ring 5；
3) open vacuum extractor (such as vacuum pump) to be evacuated the hollow cavity 4 of pattern 1, make vacuum hole 3 with
The negative pressure formed in cavity body 4, speculum 12 and cambered surface 2 are attracted, so that 12 minute surface of speculum be formed；
4) supporting mechanism (supporting back board or stent 13) is fixed on 12 back side of speculum and causes 12 holding of speculum
The cambered surface face shape of preceding shaping, releases the negative pressure state in vacuum hole 3 and hollow cavity 4, separates speculum 12 and pattern 1, has
For body, it is preferred to use following two modes：
Mode one, with reference to shown in figure 5：Adhesive 14 is beaten in supporting back board or stent 13, the support after gluing is carried on the back
Plate or stent 13 are pressed against 12 back side of speculum, after adhesive 14 reaches predetermined strength, release vacuum hole 3 and hollow cavity
Negative pressure state in 4, separates speculum 12 and pattern 1.So as to produce settled date mirror unit with preferable arc shape
Mirror.
Mode two, with reference to shown in figure 6：The pre-buried multigroup bolt 15 in 12 back side of speculum, phase in supporting back board or stent 13
Fixed connection point 17 should be equipped with, bolt 15 and fixed connection point 17 are connected by supporting back board or stent 13 by locking nut 18
12 back side of speculum is fastened on, the spacing between 13 each junction of speculum 12 and supporting back board or stent is adjusted, to keep
12 face shape of institute's construction speculum, after the completion of fastening to be regulated, releases the negative pressure state in vacuum hole 3 and hollow cavity 4, makes reflection
Mirror 12 and pattern 1 separate.So as to produce the sub- mirror of settled date mirror unit with preferable arc shape.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
- A kind of 1. sub- mirror surface-shaped control device of settled date mirror unit, it is characterised in that：Including pattern and vacuum extractor, and to The supporting mechanism of the speculum after shaping is fixed in mirror back surface, pattern has a hollow cavity, and hollow cavity one side is Cambered surface, cambered surface face shape and reflecting mirror surface shape for forming it is consistent and can with speculum it is positive it is closed be bonded, and be distributed with cambered surface The vacuum hole of some connection hollow cavities, vacuum extractor connect to vacuumize with hollow cavity.
- 2. the sub- mirror surface-shaped control device of settled date mirror unit as claimed in claim 1, it is characterised in that：Cambered surface is contacted with speculum Surface be rough surface.
- 3. the sub- mirror surface-shaped control device of settled date mirror unit as claimed in claim 1, it is characterised in that：Further include along cambered surface edge The locating ring of one circle is set.
- 4. the sub- mirror surface-shaped control device of settled date mirror unit as claimed in claim 3, it is characterised in that：Locating ring is along cambered surface edge It is continuous to set or be interrupted setting.
- 5. the sub- mirror surface-shaped control device of settled date mirror unit as claimed in claim 1, it is characterised in that：Capping is further included, it is hollow Cavity one side is hatch frame, and hatch frame covers detachable connection vacuum extractor by capping removable seal.
- 6. the sub- mirror surface-shaped control device of settled date mirror unit as claimed in claim 5, it is characterised in that：Pattern hatch frame side Seal groove, pattern and capping are correspondingly provided with capping to be tightly connected by the sealing ring of embedding sealing groove.
- 7. the sub- mirror surface-shaped control device of settled date mirror unit as claimed in claim 1, it is characterised in that：Supporting mechanism is carried on the back for support Either stent supporting back board or stent are glued or are bolted and be fixed on mirror back surface plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600202.9U CN207366817U (en) | 2017-05-26 | 2017-05-26 | A kind of sub- mirror surface-shaped control device of settled date mirror unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600202.9U CN207366817U (en) | 2017-05-26 | 2017-05-26 | A kind of sub- mirror surface-shaped control device of settled date mirror unit |
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| Publication Number | Publication Date |
|---|---|
| CN207366817U true CN207366817U (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600202.9U Active CN207366817U (en) | 2017-05-26 | 2017-05-26 | A kind of sub- mirror surface-shaped control device of settled date mirror unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065121A (en) * | 2017-05-26 | 2017-08-18 | 东方电气集团东方锅炉股份有限公司 | A kind of sub- mirror surface-shaped control device and method of settled date mirror unit |
| CN113325500A (en) * | 2021-06-09 | 2021-08-31 | 东方电气集团科学技术研究院有限公司 | Assembling production method of large heliostat |
-
2017
- 2017-05-26 CN CN201720600202.9U patent/CN207366817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065121A (en) * | 2017-05-26 | 2017-08-18 | 东方电气集团东方锅炉股份有限公司 | A kind of sub- mirror surface-shaped control device and method of settled date mirror unit |
| CN113325500A (en) * | 2021-06-09 | 2021-08-31 | 东方电气集团科学技术研究院有限公司 | Assembling production method of large heliostat |
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