CN106091421B - A kind of solar concentrator - Google Patents
A kind of solar concentrator Download PDFInfo
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- CN106091421B CN106091421B CN201610639408.2A CN201610639408A CN106091421B CN 106091421 B CN106091421 B CN 106091421B CN 201610639408 A CN201610639408 A CN 201610639408A CN 106091421 B CN106091421 B CN 106091421B
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- concentrator
- reflector
- reflecting surface
- receiver
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- 239000002250 absorbent Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
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Classifications
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- 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
- F24S23/715—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with parabolic reflective surfaces flexible
-
- 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
- F24S23/81—Arrangements for concentrating solar-rays for solar heat collectors with reflectors flexible
-
- 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
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- 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
- F24S2023/874—Reflectors formed by assemblies of adjacent similar reflective facets
-
- 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
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention relates to the collection devices of solar energy.A kind of solar concentrator, the concentrator includes reflector, supporting structure, positioning device and Adjusting Shape device, the reflector includes the reflecting surface that one or more is capable of reflected sunlight, reflector is fixedly installed on the positioning device, positioning device is arranged on stent, positioning device connection control reflector can manipulate the direction of reflecting surface with respect to the horizontal plane, and Adjusting Shape device connection control reflector can manipulate the bending degree of reflecting surface to adjust reflector shape.This concentrator can track sun's motion track, capture the sunlight for being irradiated to reflecting surface, directly focused on some receiver.
Description
Technical field
The present invention relates to the collection devices of solar energy.
Background technology
The energy is the basic demand that human society is maintained and developed, and solar energy is one free, abundant, clean
Renewable resource.Therefore, it is more effectively collecting the method for solar energy and is converting solar energy into other available form of energy
Aspect needs continual research and innovation.
Invention content
Here is some about solar energy collecting system and the application example of solar thermal collector.It should be understood that these realities
Example is only to provide a brief summary about the possible appearance form of the invention for reader, is not limited to making for the present invention
Use range.In fact, this invention may be applied to a variety of different products, but do not mention hereafter.
First purpose of the present invention is to provide a kind of solar concentrator, this concentrator can track sun's motion
Track captures the sunlight for being irradiated to reflecting surface, is directly focused on some receiver.
In order to realize above-mentioned purpose, present invention employs following technical solutions：
A kind of solar concentrator, the concentrator include reflector, supporting structure, positioning device and Adjusting Shape device,
The reflector includes the reflecting surface that one or more is capable of reflected sunlight, and reflector is fixedly installed on the positioning device,
Positioning device is arranged on stent, and positioning device connection control reflector can manipulate the direction of reflecting surface with respect to the horizontal plane,
The Adjusting Shape device connection control reflector can manipulate the bending degree of reflecting surface to adjust reflector shape.
As a further improvement, the positioning device includes long axis, long axis is arranged on reflector, long axis rotation process
Reflector can manipulate the direction of reflecting surface with respect to the horizontal plane.
As a further improvement, the positioning device includes rotary shaft, mounting base and driving device, the rotary shaft
The both ends of reflector are fixed at, rotary shaft is erected in mounting base, and mounting base is arranged on supporting structure, the driving
Device control rotary shaft rotation.
As a further improvement, there are certain width between described two opposite side of reflector, and on two opposite side
Fulcrum is respectively arranged with, the Adjusting Shape device controls the position of two fulcrums, anti-to adapt to so as to make reflector curvature
Penetrate the variation of face shape.
As a further improvement, the Adjusting Shape device is one or more inelastic rope, one or more
Rope is connected on the fulcrum of two adjacent opposite side of reflector, and one or more rope, which applies or discharged between opposite side, to be opened
Power.
As a further improvement, to further include a swingle inelastic with one or more for the Adjusting Shape device
Rope connects, and swingle rotates in one direction to wind up one or more rope, and rotation in the opposite direction again can
Rope is decontroled.
As a further improvement, there is one or more pairs of apertures on the reflector, each pair of aperture is all in adjacent two
On opposite side, every rope passes through a pair of of aperture and around the reflecting surface of reflector.
As a further improvement, the Adjusting Shape device further includes a driver makes it to rotate swingle
One directional steering, second direction.
As a further improvement, the Adjusting Shape device can control the shape of reflecting surface that it is made to become bent from plane
Face；Alternatively, if reflecting surface is curved surface, Adjusting Shape device can adjust the shape of reflecting surface, change the focal length of curved surface.
As a further improvement, the reflector includes backboard and mirror body, mirror body is made of one or more speculum,
Mirror body is connected with backboard, and backboard is connected with the positioning device.
Second object of the present invention is to provide a kind of solar energy collecting system, and each concentrator of the system is controllable
, according to the position of the sun or its own can change its shape relative to the position of target receiver.Each receiver can
It can also be adjusted with fixation according to the position of the sun.All concentrators can concentrate the sunlight of certain ratio to receiving
On device.In some instances, in certain period of time, multiple concentrators can collect sunlight to a receiver, but in the sun
Motion process in, certain concentrators may concentrate sunlight to different receivers.
In order to realize second above-mentioned purpose, present invention employs following technical solutions：
One solar energy collecting system, the system include：
One or more solar concentrators, each concentrator are all provided with that there are one reflectings surface to reflect incident sunlight, gather
Light device is provided with Adjusting Shape device, and Adjusting Shape device regulates and controls the shape of reflecting surface；
One or more solar receivers, each receiver, which is both provided with, receives window to receive concentrator reflection
Sunlight；With
Control system, control system control Adjusting Shape device make concentrator reflection too with the shape for regulating and controlling reflecting surface
Sunlight is received by a solar receiver.
Preferably, above-mentioned solar concentrator can select any skill disclosed in first purpose of the invention
The solar concentrator of art scheme.
As a preferred mode, the system is anti-including one group of concentrator and a receiver, one group of concentrator
The sunlight penetrated is received by a receiver, and concentrator and receiver are controlled whole with control system Phase Receiver by control system
A collection system.
Alternatively preferred mode, when which includes multigroup concentrator and multiple receivers, the control
The part or all of sunlight for making one group of concentrator reflection of system energy selectivity is received by a receiver or multiple receivers.
As a further improvement, the concentrator further includes positioning device, positioning device is controlled by control system, is received
Control reflector can manipulate the direction of reflecting surface with respect to the horizontal plane.
As a further improvement, wherein at least one concentrator reflecting surface is of different size in other concentrators.
As a further improvement, the distance between wherein at least one concentrator and receiver are more remote than other concentrators,
The width of at least one reflecting surface of concentrator farther out is bigger than remaining.
As a further improvement, the direction that one or more receivers receive window can be regulated and controled by control system.
As a further improvement, the shape of wherein reflecting surface is plane either paraboloid；If paraboloid, then it is burnt
Away from second can be become from first.
As a further improvement, receiver includes transparent reception window, cavity wall and light absorber；Receive the shape of window
Shape is plane or curved surface, and receiving window can rotate with receiver, and light absorber, which is arranged on, receives window and cavity wall structure
Into space in.
As further improving, receive window and cavity wall forms round or oval cavity.
Third object of the present invention is to provide a kind of solar energy collecting method, and the system that this method uses is above-mentioned to be
System includes multigroup concentrator and during multiple receivers, the control system can selectivity make what one group of concentrator reflected
Part or all of sunlight is received by a receiver or multiple receivers.
A kind of solar energy collecting method, the system that this method uses include two groups of concentrators and two receivers, this method
Include the following steps：
First period makes the sunlight of first group of concentrator reflection be received by first receiver, second group of concentrator
The sunlight of reflection is received by second receiver；
Second period makes the sunlight that at least one concentrator reflects in first group of concentrator be changed to be connect by second
The sunlight that at least one concentrator reflects in device reception or second group of concentrator is received to be changed to be received by first receiver.
As a further improvement,
Second period, the sunlight that at least one concentrator reflects in first group relative to second receiver side
To that can change, the sunlight that the concentrator reflects is made to be converted into being received by second receiver；Or
Second period, the sunlight that at least one concentrator reflects in second group relative to first receiver side
To that can change, the sunlight that the concentrator reflects is made to be converted into being received by first receiver.
As further improving,
Second period, the reflector shape of at least one concentrator can change in first group, make the optically focused
The sunlight of device reflection is converted into being received by second receiver；Or
Second period, the reflector shape of at least one concentrator can change in second group, make the optically focused
The sunlight of device reflection is converted into being received by first receiver.
As further improving,
At least one reflecting surface of the shape of first group of concentrator can become curved surface from plane；Or
At least one reflecting surface of the shape of second group of concentrator can become curved surface from plane.
As further improving,
When the reflector shape of concentrator is paraboloid, the paraboloid focal length of at least one concentrator can be from first group
First focal length becomes second focal length；Or
The paraboloid focal length of at least one concentrator can become second focal length from first focal length in second group.
As a further improvement,
Solar energy collecting system is further expanded to including third group concentrator and third receiver or three groups or more
Concentrator and three or more receivers, this method include the following steps：
In first period, third group concentrator is received with third receiver；Three groups or more concentrators and receiver
Then and so on；
The sunlight that at least one concentrator reflects in second period, first group of concentrator is converted by second
Receiver receives, and the sunlight of second group of concentrator at least one concentrator reflection is converted into being received by third receiver；Three
Group more than concentrator and three or more receivers are then.
For example above-mentioned and so on can explain：Such as four groups of concentrators and four receivers, then
One period, third group concentrator are received with third receiver；4th group of concentrator and the 4th receiver receive；
Two periods, the sunlight that at least one concentrator reflects in first group of concentrator are converted into being received by second receiver,
The sunlight of second group of concentrator at least one concentrator reflection is converted into being received by third receiver；Third group concentrator is extremely
Few sunlight there are one concentrator reflection is converted into being received by the 4th receiver.
As further improving,
The sunlight that at least one concentrator reflects in second period, first group of concentrator is with respect to second receiver
Direction can change；The sunlight that at least one concentrator reflects in second group of concentrator is with respect to the direction of third receiver
It can change；Three groups or more concentrators and three or more receivers are then.
As further improving,
The reflector shape of at least one concentrator can change i.e. in second period, first group of concentrator
Its paraboloid focal length can become another length from a length；The reflecting surface of at least one concentrator in second group of concentrator
Shape can change, and paraboloid focal length can become another length from a length；At least one in third group concentrator
The reflector shape of a concentrator can change, and paraboloid focal length can become another length from a length；Three groups with
Upper concentrator is then.
As further improving,
In second period, the first receiver can change in face of direction；Second receiver faces direction energy
It changes；Third receiver can change in face of direction；Three groups or more concentrators, receiver is then.
As further improving,
The sunlight that at least one concentrator reflects in the third period, third group concentrator is connect by second receiver
It receives；The sunlight that at least one concentrator reflects in second group of concentrator is received by the first receiver；Three groups or more concentrators and
Three or more receivers are then by last group of concentrator and the last one receiver.
As further improving,
The sunlight of at least one concentrator reflection is with respect to the direction of second receiver in the third period, third group
It can change；The sunlight of at least one concentrator reflection can change with respect to the direction of first receiver in second group；
Three groups or more concentrators and receiver then by last group of concentrator and the last one receiver and so on.
As further improving,
The reflector shape of at least one concentrator can change i.e. in the third period, third group concentrator
Its paraboloid focal length can become another length from a length；The reflecting surface of at least one concentrator in second group of concentrator
Shape can change, and paraboloid focal length can become another length from a length；At least one in first group of concentrator
The reflector shape of a concentrator can change, and paraboloid focal length can become another length from a length；Three groups with
Upper concentrator and three or more receivers are then.
Fourth object of the present invention is to provide a kind of solar energy collecting method, and the system that this method uses is above-mentioned to be
System includes one group of concentrator and during a receiver, and the sunlight of one group of concentrator reflection is received, and gather by a receiver
Light device and receiver are connected with control system, and entire collection system is controlled by control system.
The method of one collection solar energy, this method are included using one group of concentrator and a receiver, this method：
As a further improvement,
It first period, will be multiple poly- relative to first direction of receiver by positioning concentrator reflecting surface respectively
Light device is connected with receiver, the first of each concentrator shape is determined respectively by adjusting the reflecting surface of concentrator；
Second period adjusts reflecting surface in one or more concentrators to second direction, and the direction is different from
First direction, to keep the reception of the sunlight and first receiver of the reflective surface of one or more concentrators.
In second period, the direction for repositioning each concentrator reflecting surface respectively is different from first side
To concentrator to be kept still to be connected in second period with receiver.
As further improving,
In second period, the shape of at least one concentrator reflecting surface, which will be readjusted, is different from it accordingly
First shape；Or the shape of each concentrator reflecting surface is adjusted respectively, be different from its corresponding first
A shape.
As further improving,
First shape is plane, and second shape is curved surface.
As further improving,
First shape is paraboloid, and focal length is first, and second shape is also paraboloid, but its focal length is different,
It is changed to second focal length.
As further improving,
In first period, the reflecting surface of each concentrator can be set, each concentrator in first time period
The positioning of direction for the first time of reflecting surface can be different.
As further improving,
In first period, the shape of the reflecting surface of each concentrator is in parabolic shape, but its focal length can respectively not
It is identical.
As further improving,
The width of wherein each concentrator reflecting surface is different.
Description of the drawings
With reference to following attached drawing and additional requirement read following detailed description help to more fully understand this patent this
A little and other characteristics and advantages.It is as follows：
Fig. 1：The typical solar energy collecting system schematic diagram that this patent is shown, it is connect by multiple concentrators and one
Receive device composition;
Fig. 2, Fig. 3, Fig. 4：The typical solar energy collecting system of this patent shown one, it is by multiple concentrators and more
A receiver composition；
Fig. 5：This patent shows the front elevation of typical solar concentrator；
Fig. 6：The rearview of one typical solar concentrator；
Fig. 7：The sectional view of one typical solar concentrator；
Fig. 8：The perspective view of one typical solar receiver.
Specific embodiment
To about the specific of a kind of solar energy collecting system, a kind of solar concentrator and a kind of method for collecting solar energy
Embodiment is described in detail.It is to be understood that these examples are not limited to the use scope of the present invention, it is true
On, this invention may be applied to a variety of different products.Described method may be not necessarily limited to described embodiment,
It can also apply to other modes.
Solar energy collecting system, solar concentrator and solar energy involved by this patent is introduced now with reference to picture to receive
Diversity method.Notice that some sizes are not necessarily to scale picture.These dimension datas are intended merely to facilitate description specific real
Object rather than one of this patent is described in detail or limitation range.
Embodiment 1：A kind of solar collector
Fig. 1 schematic diagrames show a kind of solar energy collecting system that this patent is shown.Solar energy collecting system may wrap
Include multiple concentrator 102a -102m and a receiver 101a.Control system (not shown) can control each optically focused
A device 102a -102m and receiver 101a.In order to reach illustration purpose, Fig. 1 shows 13 concentrators altogether.This is one
A representative description, is but not so limited, and the concentrator of solar energy collecting system, which can be more than, can also be less than 13.
A reflecting surface is configured to be reflected in the sunlight that set angle captures in each concentrator 102a -102m.
The reflecting surface of 102a -102m concentrators open and flat can also be bent.In specific example, 102a -102m concentrators it is anti-
The face shape of penetrating can be in parabolic shape, can focus on incident light in this way, form it into a focal line for having focal length.Herein, it is " burnt
Away from " word refers to the focal line of parabolic troughs to the distance on parabola groove vertex.
Be described in more detail below, in 102a -102m the shape of each concentrator reflecting surface can be changed or
Adjustment.For example, the shape of each concentrator reflecting surface can become curved surface from plane in 102a -102m.In addition, in 102a -102m
When the shape of each concentrator reflecting surface is in paraboloid, focus adjustable is second focal length from first time focus adjustable.
The adjustment and variation of 102a -102m concentrator reflector shapes are all controlled by control system.
The width of 102a -102m concentrator reflectings surface can be the same or different." width " refers to that reflecting surface is in herein
When plane or curved surface state, two distances to stile of reflecting surface.As shown in Figure 1,102a -102m concentrators may have it is different
Width.For example, the width of the concentrator 102a apart from receiver 101a farther out is than the concentrator 102 nearer apart from receiver 101a
B wide.But each width of concentrator 102a -102m can also be identical.
Each reflecting surface of concentrator 102a -102m can with respect to the horizontal plane be configured to certain angle, and angle can
It is different.The reflecting surface 102a-102m of concentrator may have the different angles of orientation.Such as shown in Fig. 1, apart from receiver 101a farther out
Concentrator 102a angle be more than concentrator 102b.The sunlight that concentrator 102a -102m are captured can so all collected
In on same receiver 101a.
It is described in more detail below, can change 102a -102m by the axis of elongation for rotating concentrator each gathers
The direction of the reflecting surface of light device.The reflecting surface of each concentrator can be according to the position change of the sun in one day.This change is leaned on
Control system controls.
Receiver 101a can receive the sunlight reflected by concentrator 102a -102m there are one window is received.Below more in detail
It carefully describes, receiving the direction that window faces can change.This variation is controlled by control system.
In addition, the method that this patent provides a collection solar energy.This method can realize by solar energy collecting system,
As shown in Figure 1.For example, system refers to be made of a multiple concentrator 102a -102m and receiver 101a, a control system
Combination.Control system can be altered or modified concentrator 102a -102m reflectings surface direction and shape and adjustment receive
Device 101a reception windows face direction.In particular instances, when the sun is in first position such as noon, concentrator
102a -102m can be all connected on a receiver 101a." combination " word used herein refers to specific example, this
In example, it is focused by receiving window or is focused on receiver by the sunlight of concentrator reflection.Preliminary combination can lead to
It crosses and first direction of each concentrators of 102a -102m is determined according to receiver 101a or adjusts each concentrator reflecting surface respectively
Shape or adjustment receiver 101a receive the arbitrary combination in face of direction or these types of mode of window to realize.It determines
The first direction of each concentrators of 102a -102m and adjust that receiver 101a receives window make 102a -102m every in face of direction
The sunlight of a concentrator reflection can be received directly by receiver 101a.The adjustment of concentrator reflector shape can make the sun
Light is focused on receiver 101a.
For example, the position of the noon sun is first position, at least one in concentrator 102a -102m reflects
Face is different from other concentrators.May also in 102a -102m each concentrator reflecting surface it is different.Further illustrating
Son, the arbitrary reflecting surface of concentrator 102a -102m can be in paraboloid, and each paraboloidal focal length may also be different.Such as Fig. 1 institutes
Show, can adjust makes its angle be more than concentrator 102b apart from the concentrator 102a of receiver farther out.In addition, concentrator 102a and
The reflecting surface of 102b may all be in paraboloidal shape, but the focal length of 102a is adjustable more than 102b, such sunlight reflection
The light of concentrator 102a and 102b reflection, which can focus on, to be focused on shared receiver 101a
When the sun is in second position following period at noon, by control system concentrator 102a -102m and can connect
It receives device 101a to be repositioned and adjusted, such concentrator 102a -102m are still matched with receiver 101a.For example, optically focused
There are one in device 102a -102m or multiple concentrators will reset second direction, different from first direction.In addition it receives
The direction that device 101a receives window may need to adjust.In an example, the shape of one or more concentrator reflectings surface can
It can need to adjust.For example, the shape of one or more concentrator reflectings surface may become curved surface from plane；Or paraboloidal coke
Away from changing, become second focal length from first focal length.
The advantages of above-mentioned solar energy collecting method is：According to the position of the sun, concentrator and receiver are all controllable, and
Concentrator can also be adjusted relative to the position of receiver.These advantages greatly improve the collection efficiency of solar energy.
Embodiment 2：A kind of solar energy collecting system
Fig. 2, Fig. 3, Fig. 4 show the solar energy collecting system that this patent provides.Solar energy collecting system includes one group of optically focused
Device 102a -102m, a receivers 101a-101c and a control system (not shown).Control system can control poly-
Light device 102a -102m and receiver 101a -101c.
The solar energy collecting system that Fig. 2 ~ Fig. 4 is shown in some aspects with solar energy collecting system demonstrated in Figure 1
It is similar.For example, there are one reflectings surface by each concentrator 102a -102m, and it can be open and flat, it can be bent or in paraboloidal shape
Incident light can be concentrated into a focal line for having focal length by formula.The shape of concentrator 102a -102m reflectings surface is controlled by control system
It is changed or adjusts.The width of concentrator reflecting surface can be the same or different.Concentrator 102a -102m reflectings surface are opposite
It can be set in the angle of horizontal plane, this angle can be controlled system and be changed.
Compared with solar energy collecting system demonstrated in Figure 1, the solar energy collecting system in Fig. 2 ~ Fig. 4 possesses more
Receiver.There are one receive window by each receiver 101a -101c.The direction that each reception window is faced is adjustable
, it will be described in greater detail as follows.The adjustment can be completed by control system.
This patent provides a kind of method for collecting solar energy.This method can be realized by solar energy collecting system.The system
Including three groups of concentrators（102a-102e, 102f-102h, 102i-102m）, three receivers（101a、101b、101c）With one
A control system（It is not shown in figure）, wherein control system can control all concentrator and receiver.It should be noted that
It is not a considered critical that solar energy collecting system, which has concentrator and each three groups of receiver, in present specification, other systems
The concentrator and receiver of combination are either also less than three groups more than three groups, and the method for the collection solar energy is all equally applicable.
Claims are not intended to limit the quantity of concentrator and receiver.
According to specific example, first period if it is noon, as shown in Fig. 2, first group of concentrator 102a-102e
It is connected with first receiver 101a, second group of concentrator 102f-102 h is connected with second receiver 101b, and third group is gathered
Light device 102i -102m are connected with third receiver 01c.
Second period is if it is morning, as shown in figure 3, at least one in first group of concentrator 102a-102e is poly-
Light device is connected with second receiver 101b, for example, first time period be connected with receiver 101a concentrator 102c, 102d,
102e is connected at this time with second receiver 101b.In addition, at least one in second group of concentrator 102f-102h and third
Receiver 101c is connected.For example, concentrator 102g, 102h that first time period is connected with receiver 101b connect at this time with third
Receipts machine 101c is connected.
The third period if it is afternoon, as shown in figure 4, at least one in second group of concentrator 102f-102h can
Can be connected with receiver 101a, if first time period is connected with 101 b of receiver, at this time with first receiver 101a phase
Even.In addition, at least one in third group concentrator 102i-102m is connected with second receiver 101b.For example, at the first time
Concentrator 102i, 102j, 102k that section is connected with receiver 101c are connected at this time with receiver 101b.
Therefore, the combination of concentrator and receiver and connection mode are flexible.In a period of time, one group of concentrator
It can be condensed on same receiver, but as sun's motion, one or more concentrators can convert connection in one day
Onto different receivers.This adjustable advantage of target receiver can preferably improve too relative to existing technology
Positive energy collection efficiency.
The described serial of methods for changing target receiver in different time sections of Fig. 1 is adjusted one or more poly-
Light device is relative to the orientation of one or more receivers or the one or more concentrator reflector shapes of adjusting or adjusting one
Or multiple receivers receive being changed in face of direction or the arbitrarily combination of these types of mode for window.These variations are by control
System controls.
For example, as shown in Figure 2 in the first period, first group of concentrator 102a-102e relative to receiver 101a direction
It is possibly different from.Second group of concentrator 102f-102h is possibly different from relative to the direction of receiver 101b.Third group is gathered
Light device 102i -102m are possibly different from relative to the direction of receiver 101c.In addition, the reflecting surface of all concentrators can be put down
Exhibition, can be bent, can there is different focal lengths；And the width of reflecting surface can also be different.
As shown in figure 3, in second period, the direction of one or more of three groups of concentrators may change
And different from first period；The shape of any one or more concentrator reflectings surface can also change, that is, become it is open and flat or
Plane of bending changes paraboloid focal length.One or more of three receivers reception window bicker degree can also adjust.
Likewise, in the third period, direction, shape and the reception of any one or more concentrators as shown in Figure 3
Device receives can also being adjusted in face of direction for window.
The quantity of receiver and concentrator can be extended up in one or two sides.For example, along the long axis of optical receiver,
It can select to extend multiple receivers and concentrator series connection, can also select targetedly only to increase receiver or optically focused
The quantity of device.
Receiver 101a-101c and three groups of concentrator 102a-102e, 102f-102h, 102i -102m can be along receptions
The light long axis of device 101a-101c from south to north or any other direction to be arranged.Direction determines to be installed by system
The influence on ground, specific application program and practical problem, but do not limited by mean wind direction.
Not shown control system control solar energy collecting system, operation may include providing concentrator in Fig. 1 ~ Fig. 4
The Energy extraction for facing direction and regulating and controlling receiver of the reception window of positioning, the shape of adjustment concentrator reflecting surface and receiver
Load and speed etc..
Control system may include a processor, such as digital signal processor, field programmable gate array, central processing
Unit or microprocessor etc..Control system is by software program or algorithm such as servo loop control algolithm in fact and about solar energy receipts
Other operation sequences of collecting system come realize regulation and control.Concentrator can make respective response to the regulation and control of control system, which can
To be automatic or according to schedule or user is completed by the program that computer controlled interface inputs.It concentrator and connects
Different feedback transducers or equipment can be all equipped with to provide the environment of the state of concentrator and receiver and surrounding letter by receiving device
Breath.Control system can receive the signal from sensor feedback, and generation adjustment in time or repositioning concentrator and reception
The order of device.
In instances, control system can capture the elevation angle of the sun, azimuth, luminous intensity, the GPS positioning of receiver,
Shape, temperature, GPS positioning, reflector shape and the angle and environmental information of concentrator, as wind direction, wind speed, temperature, humidity,
Rain, snow and dust etc..According to obtained information, control system can start predefined system or user is defeated by computer controlled interface
The program entered manipulates entire collection system.For example, control system can control and receive load and the speed of device energy resource collecting
Degree and receiver shape position the position relative to concentrator and the sun, adjust the shape and angle of concentrator reflecting surface.
Embodiment 3：A kind of solar concentrator
Another solar concentrator of this patent is further told about now, as shown in Fig. 5 ~ Fig. 7.As seen from the figure, too
Positive energy concentrator may include reflector 204, mounting structure 210, positioning device (Fig. 6) and Adjusting Shape device.Mounting structure
210 effect is that a supporting function is played to reflector 204 at level land or building roof installation；The effect of positioning device
It is the direction of position reflector 204 with respect to the horizontal plane；Adjusting Shape device adjusts the shape of reflector 204 for curved reflective surface
Shape.
The function of reflector 204 is capture sunlight and reflects it to receiver (Fig. 5 ~ Fig. 7 is not shown).In some realities
In example, reflector 204 may include reflecting surface 202 and be used to support the backboard 212 of reflecting surface 202.For example, reflector
204 can be the mirror body for including backside reflection film.The shape of reflecting surface 202 may be flat.In addition, the reflecting surface 202 of shape
May be bending, such as paraboloid.It is described in more detail below, in the material object that this patent is shown, the shape of reflecting surface 202 can
To be adjusted by Adjusting Shape device.For example, the shape of reflecting surface 202 can become curved surface by plane, in addition, curved surface
Focal length can be also adjusted.
Positioning device (Fig. 6) is responsible for position reflector 204 and its reflecting surface 202, makes it in some period or works as the sun
A suitable position is in during in some particular orientation.For example, positioning device can pass through a long axis rotoflector
204.As shown in the figure, positioning device may include a rotary shaft 207, a gear-box 208 and an engine 210.Start
Machine is used to drive rotary shaft and gear-box.Rotary shaft 207 can connect with the back side of reflector 204 or backboard or mounting bracket 204
It connects.Driving rotary shaft 208 can be that the long axis of reflector 204 is rotated with direction clockwise or counterclockwise and sets reflecting surface 202
It is scheduled on the appropriate position in respect to the horizontal plane direction.For those skilled in the art, this hair is not being departed from
Under the premise of bright principle, locating system can also be improved, these improvement also should be regarded as protection scope of the present invention.
Adjusting Shape device (Fig. 6) can be used to be altered or modified the shape of reflecting surface 202, can make it from plane plane of bending,
Or change the focal length of curved surface.Adjusting Shape device can make reflector 204 or support the bending of the backboard of reflecting surface 202 or stretch
Contracting can make two opposite side of reflector become near or become remote, so as to change the shape of reflecting surface 202 in this way.
Typical shape adjusting apparatus is shown in Fig. 5 ~ Fig. 7.It include one or more inelastic rope 222, every
Two of rope and reflector 204 are connected to stile.One or more in these ropes applies or discharges to stile to two
Pulling force.Fig. 5 ~ Fig. 7 illustrates two non-telescoping ropes.All being more or less than two in actual process design can be with
's.The both sides of reflector 204 have one or more opposite to aperture, each pair of aperture or so.Rope annular passes through pairs of aperture and wears
Cross the side of reflecting surface and the back side of reflector.Rope on each reflector can have one or more.
These ropes can be connect with the swingle 206 at 204 back side of reflector.Swingle 206 rotates in one direction can be with
Rope is tightened, is rotated in the opposite direction, the rope releasably tightened.Rope can be shortened or be lengthened to the tightening and release of rope
Son is around reflecting surface and the part at the reflector back side, so as to increase or mitigate the tension on the opposition of reflector 204 both sides.Swingle has
Independent motor driving and control system（It is not shown in figure）.In instances, swingle 206 can add rotary shaft and by electronic
Machine 209 drives.
Concentrator can also be equipped with various sensors or feedback device (not shown) to provide concentrator and environmental information
Such as the position of concentrator, shape, operating parameter, the position of the sun, the direction of wind and speed, temperature, humidity, rain, snow, sand and dust
Deng.The signal of sensor or feedback device can send control system to by wired or wireless communication.
The adjustment in 202 direction of reflecting surface can change the position of focal line.The adjustment of 202 shape of reflecting surface can change reflecting surface
202 focal length.Therefore, with reference to the two adjustment modes, concentrator can make on solar light focusing to target receiver.
For example, in a particular instance, reflecting surface 202 is in the form of parabolic troughs, if incident light is parallel to
The focal plane (plane crosses the vertex of focal line and slot) of parabola groove, i.e., incidence angle is zero, then reflected sunlight can be focused on
On the focal line of parabola groove, receiver is installed at focal line.If the incidence angle of incident light and the focal plane of parabola groove are in 60 degree of folders
Angle if the direction of slot does not shift 60 degree, is slightly shorter than the distance to groove top point by the focusing length of reflected sunlight, then reflects
Sunlight will not be focused onto on the focal line of slot.In this patent, parabolic reflector 202 can adjust, such as tune up focal length.Adjustment
Afterwards, incidence angle is that 60 degree of incident light can be gathered in the position where a target receiver.
Therefore, it by the deformation of 202 parabola groove of reflecting surface or adjusts its focal length and changes to second focal length from first focal length,
Relative to parabola groove focal plane same position still can be focused on for 60 degree of sunlight in 60 degree i.e. incidence angle.
The concentration ratio of reflecting surface is about solar angle and the function of reflecting surface width and target focal length.For example, it focuses on
Width is 0.04m, and the incidence angle of sunlight is 60 degree, and the focal length of reflecting surface is 8m, and width 2m, concentration ratio is 50 (2m/
0.04m)；For another example, focal width 0.01m, the incidence angle of sunlight is 60 degree, the focal length 8m of reflecting surface, width 1m, then optically focused
Rate is 100（1m/0.01m）, for another example, focal width is 0.003m, and the incidence angle of sunlight is 60 degree, and the focal length of reflecting surface is
8m, width 0.5m, concentration ratio are 166 (0.5m/0.003m).
Embodiment 4：A kind of solar energy collecting system
Fig. 8 schematic diagrames show a typical solar energy collecting system.It should be noted that the appearance of receiver and retouching
State just for the sake of meet illustrate demand, other can receive solar energy and be translated into thermal energy, electric power, chemical industry or other can
The receiver of form of energy is all applied to the solar energy collecting system of this patent.As shown in figure 3, typical Receiver includes
One transparent 301, cavity walls 302 of reception window and a light absorber 303.
Receiving window 301 can be passed to the light reflected from one or more concentrators in receiver.Receive window 301
It can deform, either plane can also be curved surface.The direction of the receiver direction that i.e. its reception window 301 faces can be by double
Arrow mark or so adjustment.Therefore, the direction for receiving window can be adjusted according to the direction of the sun and concentrator.
Various absorbents in terms of technical matters by called optical imaging, for prominent this patent content, omit herein to its
Detailed description.In general, absorbent 303 may include, to different-waveband sunlight absorption characteristic, being suitable as different wavelength
The incident light of range.
Solar concentrator, solar energy collecting system and method have all described.Grateful those skilled in the art is at this
Modification in spirit and range.The change and modification opinion of other inventors within the scope of the present invention can be all taken seriously.
Claims (7)
1. a kind of solar concentrator, it is characterised in that：The concentrator includes reflector, supporting structure, positioning device and shape
Adjusting apparatus, the reflector include the reflecting surface that one or more is capable of reflected sunlight, and reflector is fixed at fixed
On the device of position, positioning device is arranged on stent, and positioning device connection control reflector can manipulate reflecting surface relative to level
The direction in face, Adjusting Shape device connection control reflector can manipulate the bending degree of reflecting surface to adjust reflecting surface
Shape；Adjusting Shape device can control the shape of reflecting surface that it is made to become curved surface from plane；Alternatively, if reflecting surface is curved surface,
Adjusting Shape device can adjust the shape of reflecting surface, change the focal length of curved surface；There are certain width between two opposite side of reflector
Degree, and fulcrum is respectively arranged on two opposite side, the Adjusting Shape device controls the position of two fulcrums, anti-so as to make
Emitter is bent to conform to the variation of reflector shape；Adjusting Shape device be one or more inelastic rope, one or more
Bar rope is connected on the fulcrum of two adjacent opposite side of reflector, and one or more rope applies between opposite side or discharges
Power.
2. a kind of solar concentrator according to claim 1, it is characterised in that：Positioning device includes long axis, and long axis is set
It puts on reflector, long axis rotation process reflector can manipulate the direction of reflecting surface with respect to the horizontal plane.
3. a kind of solar concentrator according to claim 1, it is characterised in that：Positioning device includes rotary shaft, installation
Seat and driving device, the rotary shaft are fixed at the both ends of reflector, and rotary shaft is erected in mounting base, and mounting base is set
It puts on supporting structure, driving device control rotary shaft rotation.
4. a kind of solar concentrator according to claim 1, it is characterised in that：Adjusting Shape device further includes a rotation
Bull stick is connect with one or more inelastic rope, and swingle rotates in one direction to wind one or more rope
Come, rotation in the opposite direction again can decontrol rope.
5. a kind of solar concentrator according to claim 4, it is characterised in that：Have on reflector one or more pairs of small
Hole, all on two adjacent opposite side, every rope passes through a pair of of aperture and around the reflecting surface of reflector each pair of aperture.
6. a kind of solar concentrator according to claim 5, it is characterised in that：Adjusting Shape device further includes a drive
Dynamic device makes it from first directional steering, second direction to rotate swingle.
7. according to a kind of solar concentrator described in claim 1 ~ 3 any one claim, it is characterised in that：Reflector
Including backboard and mirror body, mirror body is made of one or more speculum, and mirror body is connected with backboard, and backboard is filled with the positioning
It puts and is connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639408.2A CN106091421B (en) | 2016-08-03 | 2016-08-03 | A kind of solar concentrator |
| PCT/CN2016/095483 WO2018023836A1 (en) | 2016-08-03 | 2016-08-16 | Solar concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639408.2A CN106091421B (en) | 2016-08-03 | 2016-08-03 | A kind of solar concentrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106091421A CN106091421A (en) | 2016-11-09 |
| CN106091421B true CN106091421B (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610639408.2A Expired - Fee Related CN106091421B (en) | 2016-08-03 | 2016-08-03 | A kind of solar concentrator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106091421B (en) |
| WO (1) | WO2018023836A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109871037B (en) * | 2017-12-04 | 2021-10-26 | 亚太兆业有限公司 | Light-gathering device |
| NO20190814A1 (en) * | 2019-06-28 | 2020-12-29 | Kyoto Group As | A heliostat |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011044641A1 (en) * | 2009-10-16 | 2011-04-21 | Consuntrate Pty Ltd | A solar collector |
| CN101858649A (en) * | 2010-05-28 | 2010-10-13 | 益科博能源科技（上海）有限公司 | Fresnel solar collector |
| GB2489219A (en) * | 2011-03-17 | 2012-09-26 | Peter Ernest Lockley | Solar concentrator with orthogonal elements |
| CN103104992A (en) * | 2011-11-13 | 2013-05-15 | 华洪林 | Automatic tracking device on dual-track solar heating system |
| CN204593900U (en) * | 2014-12-06 | 2015-08-26 | 胡晓颖 | The Fresnel solar reflection unit that focal length is variable, orientation is adjustable |
| CN206019032U (en) * | 2016-08-03 | 2017-03-15 | 杭州真能科技有限公司 | A kind of solar concentrator |
-
2016
- 2016-08-03 CN CN201610639408.2A patent/CN106091421B/en not_active Expired - Fee Related
- 2016-08-16 WO PCT/CN2016/095483 patent/WO2018023836A1/en active Application Filing
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|---|---|
| WO2018023836A1 (en) | 2018-02-08 |
| CN106091421A (en) | 2016-11-09 |
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