CN105423573B - A kind of solar focusing heat collector being reflected down - Google Patents
A kind of solar focusing heat collector being reflected down Download PDFInfo
- Publication number
- CN105423573B CN105423573B CN201510757093.7A CN201510757093A CN105423573B CN 105423573 B CN105423573 B CN 105423573B CN 201510757093 A CN201510757093 A CN 201510757093A CN 105423573 B CN105423573 B CN 105423573B
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- CN
- China
- Prior art keywords
- mirror
- heliostat
- paraboloid
- revolution
- beam orifice
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/82—Arrangements for concentrating solar-rays for solar heat collectors with reflectors characterised by the material or the construction of the reflector
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/71—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with parabolic reflective surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S2023/87—Reflectors layout
- F24S2023/872—Assemblies of spaced reflective elements on common support, e.g. Fresnel reflectors
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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
- Y02E10/47—Mountings or tracking
Abstract
The present invention proposes a kind of solar focusing heat collector being reflected down, including：Rotating paraboloidal mirror (1), the paraboloid of revolution heliostat (2) with beam orifice, cylindrical mirror (3), composite parabolic mirror (4), sunlight receiver (5) and supporting rack (6)；Rotating paraboloidal mirror (1) is squeezed and is positioned over above the paraboloid of revolution heliostat (2) with beam orifice, and cylindrical mirror (3), composite parabolic mirror (4) and sunlight receiver (5) are placed on the underface of the beam orifice (201) of the paraboloid of revolution heliostat (2) with beam orifice；At work, sunlight is reflexed on inverted rotating paraboloidal mirror (1) by the paraboloid of revolution heliostat (2) with beam orifice, then collimated light beam is reflected down into by it to pass through on the composite parabolic mirror (4) reached with beam orifice (201) immediately below it, finally it is reflected on solar thermal collector (5), realizes that the downward of sunlight focuses on reflection.
Description
Technical field
The invention belongs to technical field of solar utilization technique, more particularly to a kind of solar focusing collection hot charging being reflected down
Put.
Background technology
Solar energy has the advantages that cleanliness without any pollution, can everywhere take, is inexhaustible, thus solar energy
Exploitation, utilization and conversion become hot spot of concern；In the utilization technology of solar energy, the application of photothermal conversion technology is wide
General, it is that solar radiant energy is converted into thermal energy and is used；Solar low-temperature heat utilization at present have developed rapidly, such as solar energy
Water heater；And solar energy high temperature heat utilization technology has more boundless application prospect, as solar energy thermal-power-generating, high temperature add
Heat, therefore study new type solar energy high-temperature heat-gathering device and have great importance for improving Solar use level.
Existing disc type solar energy focussing heat-collecting device is to utilize rotating paraboloidal mirror, by solar light focusing in its focus
On, sunlight receiver, which is placed in the focus of rotating paraboloidal mirror, to absorb heat；But disc type solar energy heat collector is deposited
In following deficiency：Since the sunlight receiver in disc type solar energy heat collector is placed on the focus of rotating paraboloidal mirror
On, sunlight receiver needs to follow rotating paraboloidal mirror to rotate together to track the sun, thus heat accumulation difficulty is big.
Existing literature (the patent No.：ZL201210016607.X a kind of solar focusing high temperature collection of tower bottom reflecting) is proposed
Solar light focusing is reflexed to the tower top of reflection tower by more heliostats by thermal, the device, then by rotating paraboloidal mirror, the conical surface
Mirror, be inverted the sunlight that sunlight is reflexed to bottom of towe by composite parabolic mirror, cylindrical mirror and composite parabolic mirror again by tower top
On receiver, realize and carry out thermal-arrest, heat accumulation and heat exchange in bottom of towe；But the apparatus structure is complicated, takes up a large area, suitable for big
Scale thermal-arrest.
The content of the invention
The present invention is to solve the above-mentioned problems, it is proposed that a kind of solar focusing heat collector being reflected down, the device
By rotating paraboloidal mirror (1), the paraboloid of revolution heliostat (2) with beam orifice, cylindrical mirror (3), composite parabolic mirror (4), too
Sunlight receiver (5) and supporting rack (6) composition；Sunlight is focused on by the paraboloid of revolution heliostat (2) with beam orifice and reflexed to
On inverted rotating paraboloidal mirror (1), then by rotating paraboloidal mirror (1) sunlight is reflected into collimated light beam straight down,
The beam orifice (201) of collimated light beam through a diameter of D on the paraboloid of revolution heliostat (2) with beam orifice are reached immediately below it
On composite parabolic mirror (4), collimated light beam is focused on reflex on sunlight receiver (5) again by composite parabolic mirror (4), is realized
Sunlight is focused thermal-arrest on ground, while heat accumulation and heat exchange can also carry out on ground, can so simplify structure, reduce and move
Power consumption, reduce heat loss, simple flow, be conducive to high-temperature heat-storage, suitable for the applied field of solar energy thermal-power-generating, high-temperature heating
Close.
It is above-mentioned it is proposed it is a kind of be reflected down solar focusing heat collector the characteristics of be：By the rotation with beam orifice
The sunlight that parabola heliostat (2) is reflexed on rotating paraboloidal mirror (1) is reflected down through band by rotating paraboloidal mirror (1)
The beam orifice (201) of a diameter of D on the paraboloid of revolution heliostat (2) of beam orifice, reaches composite parabolic mirror below
(4) on, then reflexed on sunlight receiver (5) by composite parabolic mirror (4), realize that thermal-arrest, heat accumulation and heat exchange can be on ground
Face carry out, have the advantages that it is simple in structure, it is easy implement, it is safe and reliable, and ground progress thermal-arrest, power can be saved and disappeared
Consumption.
To achieve these goals, the present invention adopts the following technical scheme that：
Rotating paraboloidal mirror (1), which is squeezed, to be positioned over above the paraboloid of revolution heliostat (2) with beam orifice, and makes rotation
Turn the centre rotational axis of paraboloidal mirror (1) straight down, rotating paraboloidal mirror (1) and the paraboloid of revolution heliostat with beam orifice
(2) focus overlaps；Cylindrical mirror (3), composite parabolic mirror (4) and sunlight receiver (5) are placed on the rotation with beam orifice
Turn the underface of the beam orifice (201) of parabola heliostat (2)；Rotating paraboloidal mirror (1), the paraboloid of revolution with beam orifice are determined
Solar eyepiece (2), cylindrical mirror (3), composite parabolic mirror (4) and sunlight receiver (5) are fixed on supporting rack (6), and can be with branch
Support (6) together rotates；The paraboloid of revolution heliostat (2) with beam orifice reflexes to solar light focusing above it in work
On rotating paraboloidal mirror (1), the sunlight that is reflected is all pointed to above the paraboloid of revolution heliostat (2) with beam orifice one solid
Fixed point, the fixing point are the public focus A of the paraboloid of revolution heliostat (2) with beam orifice and rotating paraboloidal mirror (1)；Rotation
Turn paraboloidal mirror (1) and sunlight is reflected into collimated light beam straight down, collimated light beam passes through the rotary parabolic with beam orifice
The beam orifice (201) of a diameter of D on face heliostat (2), reaches on composite parabolic mirror (4) below, composite parabolic
Collimated light beam is focused on and reflexed on sunlight receiver (5) by mirror (4), realizes the focusing heat collection of sunlight.
Entirely the communication process of light path is：Sunlight is reflected through overwinding by the paraboloid of revolution heliostat (2) with beam orifice
Turn the common focus A of paraboloidal mirror (1) and the paraboloid of revolution heliostat (2) with beam orifice, reach the inverted paraboloid of revolution
On mirror (1), collimated light beam is then reflected down into by rotating paraboloidal mirror (1) and passes through the paraboloid of revolution heliostat with beam orifice
(2) beam orifice (201), reaches on the composite parabolic mirror (4) immediately below it, finally will be parallel by composite parabolic mirror (4)
Light beam is focused on and reflexed on solar thermal collector (5), realizes that the downward of sunlight focuses on reflection.
Beneficial effects of the present invention are：
Sunlight receiver (5) is placed on the ground below the paraboloid of revolution heliostat (2) with beam orifice, is added
Thermal medium, which need not be pumped into above the paraboloid of revolution heliostat (2) with beam orifice, to absorb heat, therefore can reduce power
Consumption, reduces collection heat loss, simplifies heat transfer flow, reduces cost, improves reliability；Thermal-arrest, heat accumulation and heat exchange at the same time can be
Ground carries out, and is conducive to high-temperature heat-storage and reduces heat loss.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the index path of the solar focusing heat collector being reflected down proposed.
Fig. 2 is the location drawing of the beam orifice (201) of the paraboloid of revolution heliostat (2) with beam orifice.
Fig. 3 is the solar focusing heat collector composition figure being reflected down proposed.
In figure：(1)-rotating paraboloidal mirror；(2)-paraboloid of revolution heliostat with beam orifice (201)；(3)-cylinder
Mirror；(4)-composite parabolic mirror；(5)-sunlight receiver；(6)-supporting rack；(201)-beam orifice (201)；A-band is saturating
The paraboloid of revolution heliostat (2) of perforation and the public focus of rotating paraboloidal mirror (1)；The diameter of D-beam orifice (201).
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, be a kind of solar focusing heat collector figure being reflected down proposed, including the paraboloid of revolution
Mirror (1), the paraboloid of revolution heliostat (2) with beam orifice, cylindrical mirror (3), composite parabolic mirror (4), sunlight receiver (5)
With supporting rack (6)；Rotating paraboloidal mirror (1), which is squeezed, to be positioned over above the paraboloid of revolution heliostat (2) with beam orifice, is made
The centre rotational axis of rotating paraboloidal mirror (1) straight down, determine rotating paraboloidal mirror (1) and the paraboloid of revolution with beam orifice
The focus of solar eyepiece (2) overlaps；Cylindrical mirror (3), composite parabolic mirror (4) and sunlight receiver (5) are placed on band beam orifice
Paraboloid of revolution heliostat (2) beam orifice (201) underface；Rotating paraboloidal mirror (1), the rotary parabolic with beam orifice
Face heliostat (2), cylindrical mirror (3), composite parabolic mirror (4) and sunlight receiver (5) are fixed on supporting rack (6), and can
Together rotated with supporting rack (6)；At work, sunlight is reflected by the paraboloid of revolution heliostat (2) with beam orifice, through overwinding
Turn the common focus A of paraboloidal mirror (1) and the paraboloid of revolution heliostat (2) with beam orifice, reach the inverted paraboloid of revolution
On mirror (1), collimated light beam is then reflected down into by rotating paraboloidal mirror (1), through the paraboloid of revolution settled date with beam orifice
Beam orifice (201) on mirror (2), reaches on the composite parabolic mirror (4) immediately below it, finally will by composite parabolic mirror (4)
Collimated light beam is focused on and reflexed on solar energy storage (5), realizes that the downward of sunlight focuses on reflection.
As shown in Fig. 2, being the location drawing of the beam orifice (201) of the paraboloid of revolution heliostat (2) with beam orifice, scheme (a)
The position of beam orifice (201) and the size of diameter D on the middle paraboloid of revolution heliostat (2) with beam orifice, by rotary parabolic
Location determination between face mirror (1) and paraboloid of revolution heliostat (2) with beam orifice, can pass through the mapping side schemed shown in (b)
Formula determines；Its design method is：Make sunray at the mirror edges of the paraboloid of revolution heliostat (2) with beam orifice, pass through
Cross rotating paraboloidal mirror (1) to reflex to sunray again on the paraboloid of revolution heliostat (2) with beam orifice, be reflected in
The position of sunray on paraboloid of revolution heliostat (2) with beam orifice, is included in the scope of beam orifice (201)
It is interior, beam orifice (201) is may be passed through, has thereby determined that the position of beam orifice (201) and the size of diameter D；Thus with transmission
Whole light that the paraboloid of revolution heliostat (2) in hole is reflected, after rotating paraboloidal mirror (1) is reflected down, can all wear
Beam orifice (201) is crossed to continue to be reflected down.
As shown in figure 3, using the vertex of rotating paraboloidal mirror (1) as origin, rectangular coordinate system, rotating paraboloidal mirror are established
(1), the surface equation of the paraboloid of revolution heliostat (2) with beam orifice and composite parabolic mirror (4) is as follows：
The surface equation of rotating paraboloidal mirror (1) is：Focus
The surface equation of paraboloid of revolution heliostat (2) with beam orifice is：
The surface equation of composite parabolic mirror (4) is：
More than：A1、A2It is the constant more than 0；B2、B3- it is length, m.
Although above-mentioned be described the embodiment of the present invention with reference to attached drawing, model not is protected to the present invention
The limitation enclosed, those skilled in the art should understand that, on the basis of technical scheme, those skilled in the art are not
Need to make the creative labor the various modifications that can be made or deformation still within protection scope of the present invention.
Claims (1)
1. a kind of solar focusing heat collector being reflected down, including rotating paraboloidal mirror (1), the rotary parabolic with beam orifice
Face heliostat (2), cylindrical mirror (3), composite parabolic mirror (4), sunlight receiver (5) and supporting rack (6)；It is characterized in that：Rotation
Turn paraboloidal mirror (1) and be squeezed to be positioned over above the paraboloid of revolution heliostat (2) with beam orifice, make rotating paraboloidal mirror
(1) centre rotational axis straight down, make Jiao of rotating paraboloidal mirror (1) and the paraboloid of revolution heliostat (2) with beam orifice
Point overlaps；Cylindrical mirror (3), composite parabolic mirror (4) and sunlight receiver (5) are placed on the paraboloid of revolution with beam orifice
The underface of the beam orifice (201) of heliostat (2)；Rotating paraboloidal mirror (1), the paraboloid of revolution heliostat (2) with beam orifice,
Cylindrical mirror (3), composite parabolic mirror (4) and sunlight receiver (5) are fixed on supporting rack (6), and can be with supporting rack (6) one
With rotation；
At work, sunlight is reflected by the paraboloid of revolution heliostat (2) with beam orifice, by rotating paraboloidal mirror (1) and
The common focus A of paraboloid of revolution heliostat (2) with beam orifice, reaches on inverted rotating paraboloidal mirror (1), is then revolved
Turn paraboloidal mirror (1) and be reflected down into collimated light beam, the beam orifice through on the paraboloid of revolution heliostat (2) with beam orifice
(201) reach on the composite parabolic mirror (4) immediately below it, finally collimated light beam is focused on by composite parabolic mirror (4) and is reflected
Onto sunlight receiver (5), realize that the downward of sunlight focuses on reflection；
The position of beam orifice (201) and the size of diameter D on paraboloid of revolution heliostat (2) with beam orifice, are thrown by rotation
Location determination between object plane mirror (1) and paraboloid of revolution heliostat (2) with beam orifice；Its design method is：Transmitted in band
Make sunray at the mirror edges of the paraboloid of revolution heliostat (2) in hole, by rotating paraboloidal mirror (1) by sunray again
Secondary reflection is reflected in the paraboloid of revolution heliostat (2) with beam orifice on the paraboloid of revolution heliostat (2) with beam orifice
On sunray position, be included in the range of beam orifice (201), may be passed through beam orifice (201), thus
The position of beam orifice (201) and the size of diameter D is determined；
The equation of rotating paraboloidal mirror (1), the paraboloid of revolution heliostat (2) with beam orifice and composite parabolic mirror (4) is as follows：
The surface equation of rotating paraboloidal mirror (1) is：Focus
The surface equation of paraboloid of revolution heliostat (2) with beam orifice is：
The surface equation of composite parabolic mirror (4) is：
More than：A1、A2It is the constant more than 0；B2、B3- it is length, m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757093.7A CN105423573B (en) | 2015-11-10 | 2015-11-10 | A kind of solar focusing heat collector being reflected down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757093.7A CN105423573B (en) | 2015-11-10 | 2015-11-10 | A kind of solar focusing heat collector being reflected down |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105423573A CN105423573A (en) | 2016-03-23 |
| CN105423573B true CN105423573B (en) | 2018-04-17 |
Family
ID=55501963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510757093.7A Expired - Fee Related CN105423573B (en) | 2015-11-10 | 2015-11-10 | A kind of solar focusing heat collector being reflected down |
Country Status (1)
| Country | Link |
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| CN (1) | CN105423573B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038972A (en) * | 1976-03-29 | 1977-08-02 | Orrison William W | Solar energy collector apparatus |
| JPS5813961A (en) * | 1981-07-18 | 1983-01-26 | Takashi Mori | Solar beam collector |
| CN100370194C (en) * | 2003-10-31 | 2008-02-20 | 赵小峰 | Solar collecting and utilizing device |
| CN102563908B (en) * | 2012-01-19 | 2013-11-06 | 中国石油大学(华东) | Solar heat collecting device |
| CN102620442B (en) * | 2012-02-28 | 2014-04-02 | 中国石油大学(华东) | Solar heat collector based on groove type parabolic mirror and artificial blackbody |
| US8471142B1 (en) * | 2012-08-16 | 2013-06-25 | Pu Ni Tai Yang Neng (Hangzhou) Co., Limited | Solar energy systems using external reflectors |
| CN102914064B (en) * | 2012-11-20 | 2016-12-21 | 中国石油大学(华东) | Tower bottom reflecting type solar focusing heat collector |
-
2015
- 2015-11-10 CN CN201510757093.7A patent/CN105423573B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN105423573A (en) | 2016-03-23 |
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