CN102812564B

CN102812564B - Passive type flow accelerator

Info

Publication number: CN102812564B
Application number: CN201180015158.0A
Authority: CN
Inventors: 瑞恩·林德曼
Original assignee: SunPower Corp
Current assignee: SunPower Corp
Priority date: 2010-06-24
Filing date: 2011-06-21
Publication date: 2016-11-30
Anticipated expiration: 2031-06-21

Abstract

The invention provides the method and device improving the air-flow speed by heat exchanger.A kind of electrooptical device, including the heat exchanger coupled with airflow accelerator.Airflow accelerator includes the surface guiding air-flow towards heat exchanger.Connection optical element is to be gathered in electrooptical device by light.The size on the surface of airflow accelerator, airflow accelerator may determine that the raising of air velocity relative to the position of heat exchanger or both of which.A kind of photovoltaic (PV) system, including rows of receptor, assembles light to the rows of optical element of receptor and the rows of airflow accelerator of the speed passing through heat exchanger with raising air-flow with receptor connection.Airflow accelerator can make air-flow deflect towards heat exchanger.Airflow accelerator can reduce wind load.

Description

Passive type flow accelerator

Technical field

At least some embodiment of the present invention relates to electro-optical system, relates more specifically to whole system Air flow optimized in system.

Background technology

Electro-optical system is often referred to include electrooptical device (photoelectric device) such as photovoltaic (PV) device The system of part, light emitting diode (LEDs), laser instrument, photodetector etc..Photovoltaic device It can be the device converting solar radiation into electric energy.This photovoltaic device is generally known as the sun Can battery.It is said that in general, the solar battery array that each solaode interconnects is arranged on altogether With or shared platform on, to provide photovoltaic module.Photovoltaic module can with electrical coupling to distribution network, Form photovoltaic system.

It is said that in general, condensation photovoltaic (CPV) technology uses optical module solar radiation to be gathered Collect on photovoltaic device.It is wide that the commercialization of CPV technology is depended at ambient temperature and wind speed The ability of the reliable operation temperature of whole devices in can maintaining system in general scope.CPV system System usually requires that (such as, the form of metal extrusion or metal folding sheet material exists by fin In industry common) install to the back side of solar cell package, in order to by the heat from battery It is delivered to surrounding air.In some orientations required by solar tracking, the use of optical module Often make to flow through the wind deflector of fin.Air velocity through radiation fin array has bigger ladder Degree causes the larger difference of battery temperature.For most systems, having a kind of trend is on array The battery of ad-hoc location is in operation hotter or colder than array remainder.

It is said that in general, electrooptical device operating temperature range reduces the efficiency of electro-optical system compared with conference, Unless used different chillers at different parts, and this increases to system assembles and assembly manufacture Cost and complexity are added.

The alternative building photovoltaic system can be by whole heat sink design of photovoltaic system Become the hot-zone being suitable on array, and this can cause the surdimensionnement of cold-zone fin.Because dissipating The cost of backing is part relatively large in system cost, and this can cause final products profit margin Loss.

From the perspective of electrical efficiency, the thermal gradient in photovoltaic device string causes between battery The corresponding mismatch of good operating point, causes loss in efficiency.From the perspective of reliability, and generally The device worked at reduced temperatures is compared, and hotter device is easier to be out of order.Therefore, A part for system occurs that initial failure makes it difficult to reach the quality assurance of system.

Accompanying drawing explanation

Explained below includes the discussion of accompanying drawing, and way of example provides the enforcement embodiment of the present invention Explanation.Should be appreciated that accompanying drawing is example, and nonrestrictive.When using herein, One or more embodiments are quoted and should be understood to describe at least one realization side of the present invention Special characteristic, structure or characteristic included in formula.Therefore, the phrase occurred herein such as " In one embodiment " or " in alternative embodiments " describe various embodiments of the present invention and Implementation, and it is not necessarily all referring to identical embodiment.But, they also might not be mutual Repel.

Fig. 1 illustrate make air-flow accelerate into heat exchanger system a part embodiment three Dimension top view；

Fig. 2 illustrate make air-flow accelerate into heat exchanger system a part embodiment three Dimension bottom view；

Fig. 3 illustrate make air-flow accelerate into heat exchanger photovoltaic system a part embodiment Top view；

Fig. 4 illustrates the amplification 3-D view of the embodiment of a photovoltaic system part；

Fig. 5 illustrates the cross-sectional view of the embodiment of photovoltaic (PV) system of airless accelerator；

Fig. 6 illustrates the air velocity emulation of the embodiment to photovoltaic shown in Fig. 5 (PV) system Example；

Fig. 7 illustrates that emulation wind flows through the fin of the embodiment of photovoltaic system as shown in Figure 5 Curve example；

Fig. 8 is shown in the enforcement that edge Pai Chu has photovoltaic (PV) system of airflow accelerator The cross-sectional view of example；

Fig. 9 illustrates that the air velocity of the embodiment to photovoltaic as shown in Figure 8 (PV) system is imitated True example；

Figure 10 illustrates that the post-simulation wind adding airflow accelerator as shown in Figure 9 flows through photovoltaic system The curve example of the fin of embodiment；

Figure 11 A is shown in the photovoltaic (PV) at edge row and internal row with airflow accelerator The cross-sectional view of the embodiment of a system part；

Figure 11 B is shown in edge row and has the photovoltaic of airflow accelerator at internal row (PV) cross-sectional view of another embodiment of a system part；

Figure 12 illustrates the air-flow of the embodiment to photovoltaic (PV) system not having airflow accelerator Distributed simulation example；

Figure 13 illustrates the gas of the embodiment to photovoltaic (PV) system having edge airflow accelerator Flow distribution simulated example；

Figure 14 illustrates the emulation torque curve example acted in photovoltaic system embodiment；

Figure 15 is to provide the stream of the embodiment of the method making system that air-flow accelerates into heat exchanger Cheng Tu；

Figure 16 illustrate make air-flow accelerate into heat exchanger system a part another embodiment Three-dimensional top view；

Figure 17 illustrate make air-flow accelerate into heat exchanger system a part another embodiment Three-dimensional, bottom view；

Figure 18 illustrate make air-flow accelerate into heat exchanger system a part another embodiment Top view；And

Figure 19 illustrates the amplification 3-D view of another embodiment of a photovoltaic system part.

Detailed description of the invention

The method and apparatus that explanation improves the air-flow speed by heat exchanger below.Under Can Zhao Many details that literary composition is given and the accompanying drawing of diagram embodiment of the present invention, illustrate the reality of the present invention Execute mode.Explained below and accompanying drawing are the explanations of embodiment of the present invention, but be not intended as right The restriction of the present invention.Describe many details to provide the thorough understanding of the present invention.But, In some cases, known or conventional details does not describe, to avoid unnecessarily carefully The fuzzy present invention on joint.

To " at least some embodiment ", " another embodiment " or " real in entire disclosure Execute example " quote finger, in conjunction with special characteristic, structure or the characteristic described by this embodiment extremely It is included in less at least some embodiment of the present invention.Therefore, different local in entire disclosure Occur that phrase " at least some embodiments " or " in one embodiment " is not necessarily all finger Identical embodiment.Additionally, special characteristic, structure or characteristic can be in one or more embodiments In be combined in any appropriate manner.

Specifically, describe to electrooptical device (optoelectronic device) offer passively The method and device of formula airflow accelerator.In at least some embodiments, electrooptical device has heat Exchanger.Electrooptical device connects with airflow accelerator.Airflow accelerator has draws towards heat exchanger The surface of flow guide.In at least some embodiments, link to optical element accelerate with air-flow The electrooptical device of device connection.There is also described herein such system, comprising: a row or multi-row There is the electrooptical device of heat exchanger；And a row or multi-row airflow accelerator, it links to light Electric installation, to improve the air-flow speed by each heat exchanger.

In at least some embodiments, method and apparatus as described herein relates to condensation photovoltaic The heat management of array, and, relate to providing uniform temperature at whole array.Uniform temperature drops Low mismatch loss, and allow to design the fin of least cost for system.In at least some In embodiment, methods and apparatus described herein is at wind condition and the wider model at the system elevation angle Enclose interior permission and make fin Performance Match in whole receiver array, provide single one-tenth for system Basis and specification.

Fig. 1 illustrate make air-flow accelerate into heat exchanger system a part embodiment three Dimension top view diagram 100.As shown in fig. 1, system has a row or multi-row with heat exchanger Electrooptical device, such as electrooptical device 101,102,103,104,105,106.

In at least some embodiments, have each electrooptical device 101 of heat exchanger, 102, 103,104,105,106 is photovoltaic (PV) device.Photovoltaic devices (" receptor ") One or more solaode, such as, siliceous solaode can be included.At least In some embodiments, have each electrooptical device 101 of heat exchanger, 102,103,104, 105,106 is light emitting diode, laser instrument and any other electrooptical device.Light Denso The heat exchanger put can be such as fin, fan and any other be passively or actively scattered Thermal.

As shown in fig. 1, electrooptical device has anterior such as part 126 and rear portion such as part 127. In at least some embodiments, front portion includes light-receiving window (such as, coloured glass), by light The one or more solaodes being converted into electric energy and the electricity linking to solaode are mutually Even.In at least some embodiments, rear portion includes that heat exchanger, heat exchanger have along one Or the fin that the back side of multiple solaode extends.In at least some other embodiments, Front portion includes light inlet window (such as, glass) and one or more luminescent device, such as, swashs Light device, light emitting diode or a combination thereof.In at least some embodiments, rear portion 127 Including heat exchanger, heat exchanger has dissipating of the back side extension along one or more luminescent devices Backing.

As shown in fig. 1, by rows of airflow accelerator 107,108,109,110,111, 112,113,114 connect with rows of electrooptical device, to improve air-flow by each electrooptical device The speed of heat exchanger.In at least some other embodiments, with air gap make airflow accelerator with Electrooptical device is separated from each other, and both of which attaches to fixed structure (support member) so that Airflow accelerator is fixed relative to the position of electrooptical device.In at least some other embodiments, Airflow accelerator is attached directly to the electrooptical device back side.In at least some other embodiments, Utilize one or more hinge that airflow accelerator is linked to electrooptical device.Implement at least some In example, when wind promotes, the air-flow utilizing one or more hinge to link to electrooptical device accelerates Device can move, to have more preferable performance.

Airflow accelerator is configured to increase by the air-flow of edge-light electric installation in array, and Make to be maximized by the air-flow of whole system, as detailed further below.Airflow accelerator is permissible Being such as plate, this plate links to electrooptical device regularly, to guide air-flow to pass through the heat friendship of device Parallel operation (such as, fin).

Guide air-flow by fin reduce for electrooptical device array device (such as, Battery) temperature, and the most consistent operating point is provided in electrooptical device string.Additionally, Owing to whole electrooptical device unit experience almost identical temperature cycles and extreme condition, for whole The electrooptical device of array establishes reliable condition evenly.Additionally, by by airflow accelerator Link to electrooptical device, the wind load to system can be reduced, as detailed further below.

In at least some embodiments, airflow accelerator has from the extension of each electrooptical device to receive The surface (such as, plate) of collection air-flow, and these air-flows can get around this electrooptical device originally.Gas Flow accelerator is properly termed as spoiler, and it is configured to the not promoting the circulation of QI around " destruction " electrooptical device Stream motion.The surface of airflow accelerator can make air flow deflector, and towards the heat radiation of electrooptical device Sheet guides, as detailed further below.

As shown in FIG. 1, each airflow accelerator such as airflow accelerator 107-114 has The surface extended from each electrooptical device, to guide air-flow towards each heat exchanger.Real at least some Execute in example, the size on airflow accelerator surface, airflow accelerator relative to heat exchanger position, Or the two, in that case it can be decided that increased by the air velocity of heat exchanger.Edge airflow accelerator Surface size and can being adjusted relative to the position of heat exchanger, so that block originally will be around Open the air-flow of heat exchanger, and force this air-flow to pass through heat exchanger.

Additionally, the surface size of airflow accelerator and permissible relative to the position of heat exchanger It is adjusted, to increase the speed of the existing air-flow by fin, or takes the specific of system Get around to avoiding air-flow.Such as, by increasing the size on airflow accelerator surface, can promote Air-flow accelerates (such as, improve air velocity and/or throughput) and torque load reduces, as It is detailed further below.

In at least some embodiments, the position relative to electrooptical device, the flow accelerator surface is made Put fixing, as detailed further below.In at least some embodiments, airflow accelerator includes First surface and the second surface with first surface connection, wherein, first surface is configured to Air-flow is guided towards heat exchanger, and, second surface is suitable for making electrooptical device to be got around originally Air-flow towards first surface alter course, as detailed further below.

Two surfaces of airflow accelerator can be as follows relative to each other with an angle location Literary composition is described in further detail.Airflow accelerator can be made up of the impenetrable any rigid material of wind. In at least some embodiments, airflow accelerator includes metal, plastics, glass or it is any Combination.In at least some embodiments, flow accelerator includes the sheet metal of bending.Air-flow adds Speed device can be made up of aluminum, steel or any other rigid metal plate.

As shown in fig. 1, system includes a row or multi-row optics linking to each electrooptical device Element 115,116,117,118,119,120.Optical element can be such as reflecting mirror, Lens or any other optical element.In at least some embodiments, optical element is suitable for Light is assembled (such as, collect, reflect or reflect) to electrooptical device.

In at least some embodiments, rows of optical element 115,116,117,118, 119,120 it is adapted to assemble to rows of electrooptical device 101-106, as hereafter entered light One step describes in detail.In at least some embodiments, optical element is suitable for collecting, reflecting or folding Penetrate the light sent from respective electrooptical device.In at least some embodiments, rows of optical element It is suitable for collecting, reflecting or reflect the light sent from respective electrooptical device.

In at least some embodiments, airflow accelerator links to be positioned at system edges row The airflow accelerator of electrooptical device.As shown in fig. 1, airflow accelerator 107,114 is limit Edge row's flow accelerator, its electrooptical device 101,106 linking to lay respectively at system edges.

Edge row's flow accelerator is configured to the horizontal sides interlayer air-flow of induction system by each limit The heat exchanger of edge row's electrooptical device, as detailed further below.In at least some embodiments, Respectively edge can be arranged flow accelerator 108,113 link to alternatively electrooptical device 101, 106.As shown in fig. 1, the surface of flow accelerator 107,108 with different angles from photoelectricity Device 101 extends, and, the surface of flow accelerator 113,114 with different angles from light Electric installation 106 extends.As shown in fig. 1, edge row flow accelerator 108 is towards optical element 115 extend.In at least some embodiments, only one of which edge flowing accelerator 107 connects To device 101, and, only one of which edge flowing accelerator 114 links to device 106.

Edge row's flow accelerator 107 is positioned at the edge of system and arranges at 128.In at least some In embodiment, the size on the surface of edge row's flow accelerator and relative to the position of heat exchanger Put and can be adjusted, to block the air-flow of heat exchanger to be got around originally, and force this air-flow By this heat exchanger, thus, have identical with other fin of array center part row Air-flow.

In at least some embodiments, airflow accelerator links to be positioned at internal system row The airflow accelerator of electrooptical device.As shown in fig. 1, airflow accelerator 109-112 is internal Row's flow accelerator, its electrooptical device 102-105 linking to respectively be positioned at internal system row. Internal row's flow accelerator is configured to optimize the air-flow of whole system, as detailed further below.

Native system has tumbler 121, and tumbler 121 is coupled to rotate rows of electrooptical device 101-106, airflow accelerator 107-114 and optical element 115-120 so that it is become with The sun is directed at.As shown in fig. 1, a part for system has and is positioned at tumbler 121 side Rows of electrooptical device 101-103, optical element 115-117 and airflow accelerator 107-110, another part of system has the rows of photoelectricity being positioned at tumbler 121 opposition side Device 104-106, optical element 118-120 and airflow accelerator 111-114, the two Part is symmetrical.

In at least some embodiments, tumbler 121 make system as unitary rotation become with The sun is directed at.In at least some embodiments, tumbler has provided a system to run-on point.Extremely In fewer embodiments, tumbler has elongated shape, in along rows of electrooptical device, light Learn element and airflow accelerator at least one direction extend, provide rotary shaft for system. Tumbler can be such as torque tube (torque tube).Torque tube can have rectangle, square, Circular or oval cross section.In at least some embodiments, tumbler is to have circular horizontal stroke The torque tube in cross section.

As shown in fig. 1, fixing device such as fixing device 122 and fixing device 123 is even It is connected to each optical element such as optical element 115,119.Each fixing device is along rows of optics unit Part extends.Fixing device such as fixing device 122 is along arranging (such as along rows of optical element 115) the optical element back side it is connected to.Each fixing device such as fixing device 122 along row's extension Optical element (such as, reflecting mirror) is strengthened, and makes optical element more stiffening.? In at least some embodiment, include metal for adding the fixing device of power optical component, such as steel.

In at least some embodiments, native system has pillar, to support rows of smooth Denso Put, optical element and airflow accelerator.As shown in fig. 1, by pillar such as pillar 124 link to tumbler 121, to install rows of electrooptical device, optical element, Yi Jiqi Flow accelerator.In at least some embodiments, rows of electrooptical device, optical element and Airflow accelerator is installed to pillar by securing member such as bolt, pin or rivet.In at least some In embodiment, electrooptical device, optical element and airflow accelerator are maintained mutual by pillar Become string.As shown in fig. 1, edge is arranged flow accelerator 107 and is arranged on system strut Electrooptical device 101 at the edge 125 of 124 connects.In at least some embodiments, by In the vertical support piece (not shown) between edge 125 and device 101, make accelerator 107 connect with electrooptical device 101.In at least some embodiments, accelerator 107 and photoelectricity Device 101 is directly connected to.

Figure 16 illustrate make air-flow accelerate into heat exchanger system a part another embodiment Three-dimensional top view show 1600.Native system has a row or multi-row electrooptical device, such as photoelectricity Device 1601,1606.Electrooptical device has the heat friendship that fin extends along the electrooptical device back side Parallel operation, as mentioned above.This electrooptical device can be such as to include one or more solaode Photovoltaic devices, light emitting diode, laser instrument and any other electrooptical device.Heat exchange Device can be such as fin, fan and any other be passively or actively heat abstractor, as Upper described.Native system includes rows of optical element, such as optical element 1604.Native system Including one or more horizontal structure support members, such as horizontal structure support member 1603.Extremely In fewer embodiments, horizontal structure support member (" hat " (hat section)) is protected It is held in the fin of edge row's electrooptical device, and is connected to supporting construction.Under normal circumstances, cap Shape portion refers to a kind of component of machine, and it is bent into " medicated cap " shape, and is bound to another group Part is to increase rigidity.As shown in Figure 16, horizontal structure support member 1603 is held in light Denso Put the fin of 1601, and be connected to supporting construction 1611(such as, pillar).

Native system has: lower limb row's flow accelerator, and it links to be positioned at system edges row Electrooptical device, such as lower limb row flow accelerator 1607；And lower internal drainage is dynamic adds Speed device, its electrooptical device linking to be positioned at internal system row, all following internal drainages are dynamic to be accelerated Device 1608, as mentioned above.As shown in Figure 16, lower limb row flow accelerator 1607 There is the surface extended at a certain angle in the lower section of electrooptical device 1601 bottom.Lower internal row Flow accelerator 1608 has and extends at a certain angle in the lower section of electrooptical device 1609 bottom Surface.

As it has been described above, each lower limb row's flow accelerator and lower internal row's flow accelerator are permissible It is configured to, in one or more orientations, improves air-flow by being linked with the photoelectricity of flow accelerator The speed of device heat exchanger.Such as, the surface of lower limb row flow accelerator can make photoelectricity Air-flow below device upward deflects and passes through heat exchanger.

As shown in Figure 16, top edge row flow accelerator 1602 links to edge row's photoelectricity The top of device 1601, and, top edge row's flow accelerator 1605 links to edge row's light Electric installation 1606.Top edge row's flow accelerator 1602 has above electrooptical device 1601 The surface extended at a predetermined angle, and, top edge row's flow accelerator 1605 has at light The surface extended at a predetermined angle above electric installation 1606.As shown in Figure 16, top edge row The surface of flow accelerator 1602 can be towards electrooptical device 1601 front curvature.Top edge drainage Dynamic accelerator can be configured to, in lower limb exhaust stream accelerator can not assist one or more Direction deflection air-flow.Such as, the surface of top edge exhaust stream accelerator can make to cross light Denso The air-flow putting top deflects down and passes through heat exchanger.In at least some embodiments, top Edge row the size on surface of flow accelerator, airflow accelerator relative to heat exchanger position, Or both of which can be adjusted, to improve by the air velocity of heat exchanger, throughput Or the two.

It addition, top edge row's flow accelerator can be configured to, included backboard and fin Electrooptical device provide protection, in order to avoid directly by exposure in sunshine.As shown in Figure 16, with interior Portion's row's electrooptical device 1614 is different, and the rear side of edge row's electrooptical device 1601 does not has optics unit Part 1604 is protected.Therefore, not there is edge row's electrooptical device 1601 of accelerator 1602 Rear side can be exposed to direct sunlight.

In at least some embodiments, each airflow accelerator position relative to electrooptical device is made Fixing.In at least some other embodiments, by air gap make airflow accelerator and electrooptical device that This separates, and both of which is connected to support member.In at least some other embodiments, air-flow Accelerator is connected directly to the back side of electrooptical device.

Native system has tumbler 1610, and tumbler 1610 is coupled to make rows of smooth Denso Put, airflow accelerator and light source component rotate so that it is become and be directed at the sun, as above institute State.As shown in Figure 16, tumbler 1610 is installed to supporting construction 1611, supporting construction 1611 have vertical support piece such as vertical support piece 1612,1613.Rows of electrooptical device, Airflow accelerator and optical element are arranged on supporting construction 1611, such as institute in Figure 16 Show.Below with reference to Figure 17 to Figure 19, it is further elaborated with supporting construction 1611.

Fig. 2 illustrate make air-flow accelerate into heat exchanger system a part embodiment three Dimension bottom view shows 200.As shown in Figure 2, tumbler 201 is installed to pillar, such as pillar 202 and pillar 203.Rows of electrooptical device 204-209, rows of with heat exchanger Optical element 210-215 and airflow accelerator 216-223 are arranged on pillar 202,203 On.In at least some embodiments, rows of airflow accelerator is by vertical supporting (supporter Device) such as vertical supporting 225 is arranged on pillar.As shown in Figure 2, air-flow accelerates Device 216 is installed to vertical supporting 225, and vertical supporting 225 is installed on pillar 202.At least In some embodiments, use the most elongated fixing device of elongated fixing device 224, by optics unit Part is installed to pillar.As shown in Figure 2, the bottom side of elongated fixing device 224 is connected to pillar 202、203.Securing member can be utilized such as to sell, bolt, rivet etc., by elongated fixing device It is connected to pillar.As shown in Figure 2, the top side of elongated fixing device 224 is connected to optics The back side of element 210.Securing member can be utilized such as to sell, bolt, rivet etc., by elongated solid Determine device and be connected to the back side of optical element.

As shown in Figure 2, the heat exchanger of electrooptical device 205-208 respectively with optical element The back side of 210-215 is adjacent.In at least some embodiments, there is the light Denso of heat exchanger The back side put is connected directly to the back side of respective optical element.In at least some other embodiments In, make with air gap the back side of electrooptical device be separated from each other with optical element, and be rigidly attached To same support, thus, make electrooptical device and optical element to be moved relative to each other.

As shown in Figure 2, edge row electrooptical device 204,209 is installed to pillar 202,203 Opposite edge on.In at least some embodiments, edge row electrooptical device is connected to and props up The vertical support piece that post connects, such as vertical support piece 225,226.As shown in Figure 2, The bottom of vertical supporting 225 is connected to pillar 202.Securing member can be used in the bottom of vertical supporting Such as pin, bolt, rivet etc. are connected to pillar.The top of vertical supporting 225 is connected to edge Row's electrooptical device 204, as shown in Figure 2.Vertical supporting such as can be sold with securing member, spiral shell Bolt, rivet etc. are connected to the framework of electrooptical device.Edge row's electrooptical device 204,209 is not The back side to optical element is installed, as shown in Figure 2.

As shown in Figure 2, internal row's flow accelerator 218-221 links to internal row respectively Electrooptical device 204-209.Edge row's flow accelerator 216,223 is respectively connecting to edge row Electrooptical device 204,209, as shown in Figure 2.In at least some other embodiments, by Air gap makes airflow accelerator be separated from each other with electrooptical device, and both of which is connected to one or Multiple vertical support piece.In at least some embodiments, with securing member such as bolt, pin or Airflow accelerator is connected to one or more vertical support piece at some position by rivet.Each vertically Support member can be made up of metal such as steel.

As shown in Figure 2, vertical support piece such as vertical support piece 225 can have triangle Shape shape.In at least some embodiments, airflow accelerator is installed to vertical supporting, such as protects Hold the vertical supporting 225 of electrooptical device.As shown in Figure 2, edge row flow accelerator 216 It is rigidly connected to keep the vertical supporting 225,226 of edge-light electric installation 204.

As shown in Figure 2, edge row flow accelerator 216 is relative to the position of electrooptical device Can be fixed by vertical supporting, thus, make the airflow accelerator will not be relative with electrooptical device In moving each other.In at least some other embodiments, airflow accelerator is attached directly to photoelectricity Device.In at least some other embodiments, airflow accelerator (not shown) is installed extremely Keep the support (such as, such as fixing device 224) of each optical element.

In at least some embodiments, the system shown in Fig. 2 is photovoltaic system, wherein has The each electrooptical device having heat exchanger is photovoltaic devices.Photovoltaic devices (" receptor ") is permissible Including one or more solaodes.In at least some other embodiments, there is heat exchange The electrooptical device of device is light emitting diode, laser instrument or any other electrooptical device.At least In some embodiments, the heat exchanger of electrooptical device is fin.

In at least some other embodiments, the heat exchanger of electrooptical device includes fan, dissipates Backing, any other be passively or actively heat abstractor or a combination thereof.Link to light Denso The optical element put can be such as reflecting mirror, lens or any other optical element.

Figure 17 show make air-flow accelerate into heat exchanger system a part another implement The three-dimensional, bottom view of example shows 1700.Native system has a row or multi-row electrooptical device, such as light Electric installation 1701,1705.As it has been described above, electrooptical device has heat exchanger, heat exchanger With the fin extended along the electrooptical device back side.Native system has rows of optical element, all Such as optical element 1704.Native system has: lower limb row's flow accelerator and top edge drainage Dynamic accelerator, its electrooptical device linking to be positioned at system edges row, such as lower limb drainage is moved Accelerator 1706, top edge row's flow accelerator 1702 and top edge row's flow accelerator 1703； And inside row's flow accelerator, its electrooptical device linking to be positioned at internal system row, such as Internal row's flow accelerator 1707.

As shown in Figure 17, rows of electrooptical device, airflow accelerator and optical element It is arranged on supporting construction 1708.Supporting construction 1708 has pillar 1711,1712. As shown in Figure 17, pillar 1711,1712 have attach to each edge row the electrooptical device back side Vertical support piece.Pillar 1711 has vertical support piece 1709 and vertical support piece 1710, Vertical support piece 1709 attaches to keep the structural support 1713(cap of electrooptical device 1701 Shape portion) one end, and, vertical support piece 1710 attaches to and the heat of electrooptical device 1705 The one end of the hat that the exchanger back side connects.Pillar 1712 has vertical support piece 1715 With vertical support piece 1716, vertical support piece 1715 is connected to and the heat of electrooptical device 1701 The other end of the hat that the exchanger back side connects, and, vertical support piece 1716 is connected to The other end with the hat that the heat exchanger back side of electrooptical device 1705 is connected.Vertical supporting Part such as can be sold with securing member, bolt, rivet etc. are connected to hat.

As shown in Figure 17, pillar 1711 has and links to the perpendicular of optical element 1704 back side To support member 1713.In at least some embodiments, vertical support piece is linked to optics unit The back side of part relates to the reinforcement structure element that vertical support piece is connected to the optical element back side, as It is detailed further below.As shown in Figure 17, light Denso is arranged in the inside with heat exchanger Put 1714 rear side being connected to optical element 1704.

In at least some embodiments, airflow accelerator is connected to each vertical support piece.Example As, such as can sell with securing member, bolt, rivet etc., by top edge flow accelerator 1702 Vertical support piece 1709 it is connected at a position with lower limb flow accelerator 1706, and Another position is connected to vertical support piece 1715.In at least some embodiments, air-flow accelerates Device is fixing relative to the position of electrooptical device, as mentioned above.

Fig. 3 illustrate make air-flow accelerate into heat exchanger photovoltaic system a part embodiment Top view diagram 300.Native system includes the receptor with heat exchanger, is such as respectively provided with The receptor 301,310,312 of heat exchanger 303,313,319, as shown in Figure 3. Airflow accelerator such as airflow accelerator 305,311,308,317,315 and each receptor Connection, with improve air-flow by the heat exchanger of each receptor such as heat exchanger 303,313, The speed of 319, as mentioned above.Native system has optical element, such as optical element 307, 306、321.Optical element can include such as reflecting mirror, lens and any other reflection And/or dioptric system, so that light is assembled to receptor.In at least some embodiments, Optical element such as optical element 307,306,321 is curved surface (such as, parabola (parabolic)) reflecting mirror.

Light (such as, from the light of the sun) can reflect from each optical element and/or refraction, To assemble to each receptor.For example, it is possible to from optical element 307,306,321 reflection light with Assemble respectively to receptor 301,310,312.Such as, whole from parabolic reflector The light of regional centralized, can assemble the preposition light-receiving to the receptor positioned opposite with reflecting mirror Portion.

As shown in Figure 3, airflow accelerator 305,315 is that flow accelerator is arranged at edge, its Link to lay respectively at the receptor 301,312 of system opposite edge, as mentioned above.Extremely In fewer embodiments, edge row's flow accelerator 311,317 link to respectively receptor 301, 312.Native system has internal row's flow accelerator, such as links to the inside of receptor 310 Row's flow accelerator 308, as described above.

Native system has tumbler 302, and tumbler 302 is coupled to make rows of receptor, gas Flow accelerator and optical element rotate so that it is become and be directed at the sun, as described above. As shown in Figure 3, fixing device such as fixing device 304 are connected, with by each row's optical element Such as row's optical element 306 is arranged on pillar (not shown), as described above.

Figure 18 illustrate make air-flow accelerate into heat exchanger system a part another embodiment Top view diagram 1800.Native system includes the receptor with heat exchanger, such as receptor 1801,1806, as mentioned above.As shown in Figure 18, receptor 1801 has heat exchanger 1803.Native system has optical element, such as optical element 1804, as described above.As Shown in Figure 18, connect top edge exhaust stream accelerator 1802, to improve air-flow by receiving The speed of the heat exchanger of device 1801.Connection top edge exhaust stream accelerator 1805, to improve Air-flow is by the speed of the heat exchanger of receptor 1806.

Fig. 4 illustrates that the amplification 3-D view of the embodiment of a part for photovoltaic system shows 400.Tool The receptor 403 having fin 405 is installed on the top of vertical supporting 409, such as institute in Fig. 4 Show.Receptor such as can be sold with securing member, bolt, rivet etc. are connected to vertical supporting.Perpendicular It is connected to pillar 413, as shown in Figure 4 to the bottom supporting 409.Vertical supporting can be used Securing member is such as sold, bolt, rivet etc. link to pillar.Vertical supporting can have triangle, Rectangle, other shape square, trapezoidal or any.

In at least some embodiments, each airflow accelerator position relative to each receptor is made Fixing.As shown in Figure 4, edge row flow accelerator 407 is permanently connected at a position Sidepiece to vertical supporting 409.Edge row flow accelerator 407 such as can sell with securing member, Bolt, rivet etc. are connected to vertical supporting.As shown in Figure 4, edge row flow deflector 407 are fixedly connected to the vertical supporting 402 being connected with pillar 415 at another position.

As shown in Figure 4, the back side of optical element 401 leans on and is connected to consolidating of pillar 413 Determine device 411.As it has been described above, fixing device 411 extends along row's optical element 401.From The light of optical element 401 reflection is assembled to receptor 403.As shown in Figure 4, there is heat The back side of the receptor 406 of exchanger is adjacent with the back side of optical element 401.In at least some In embodiment, receptor 406 is connected to the back side of optical element 401.At least some other In embodiment, receptor 406 is connected to vertical supporting 408, and, at receptor 406 Internal row's flow accelerator 404 is connected to vertical supporting 408, as shown in Figure 4.Namely Say, make internal row's flow accelerator fix relative to the position of receptor.As shown in Figure 4, Vertical supporting 408 is connected to pillar 413.

Figure 19 illustrates that the amplification 3-D view of a part for the photovoltaic system of another embodiment shows 1900.As shown in Figure 19, photovoltaic system has: receptor, and such as, edge row receive Device 1901 and internal row's receptor 1909；Airflow accelerator, such as, top edge drainage is dynamic to be added Speed device 1902 and lower limb row's flow accelerator 1908；And optical element, such as, optics Element 1904, as mentioned above.Top edge row's accelerator 1902 and lower limb row's accelerator 1908 Link to edge row's receptor 1901, as shown in Figure 19.Receptor, flow accelerator, And optical element is arranged on the supporting construction with pillar 1905, as mentioned above.? Post 1905 has vertical support piece, such as vertical support piece 1905 and vertical support piece 1906. As shown in Figure 19, vertical support piece 1905 remains attached to structural member 1910(hat) Edge receiver 1901, the heat exchanger back side of structural member 1910 and receptor 1901 is even Connect.As shown in Figure 19, vertical support piece 1905 is connected to and receptor 1901 fin The end of the hat that the back side connects.Hat 1910 such as can be sold with securing member, bolt, Rivets etc. are connected to vertical support piece 1903.

In at least some embodiments, internal row's electrooptical device is connected to vertical support piece The back side of optical element, these vertical support piece are only attached in each optical element rear side Reinforcement structure element (feature).As shown in Figure 19, vertical support piece 1906 is connected to The reinforcement structure element 1907 of optical element 1904 rear side.Vertical support piece 1906 is permissible With securing member such as sell, bolt, rivet etc. are connected to reinforcement structure element 1907.Receptor 1909 such as can sell with securing member, bolt, rivet etc. are connected to structural detail 1907.

In at least some embodiments, each airflow accelerator position relative to respective receptor is made Put fixing.Each top edge exhaust stream accelerator, lower limb exhaust stream accelerator and internal row Airflow accelerator may be fixedly attached to respective vertical support piece.As shown in Figure 19, on Edge row's flow accelerator 1902 may be fixedly attached to the sidepiece of vertical support piece 1905. Edge row's flow accelerator such as can be sold with securing member, bolt, rivet etc. are connected to vertical Support member.

Fig. 5 illustrates the cross-sectional view of the embodiment of photovoltaic (PV) system of airless accelerator Show 500.As shown in Figure 5, photovoltaic system have linear concentrator optical element 502,506, 508,515,516,517 and carry gelled photovoltaic receiver 501,503,507, 517, the array of 518,521.It is positioned at the photovoltaic receiver 501,521 of photovoltaic system edge row It is that receptor is arranged at edge.Photovoltaic receiver 502 between edge row's receptor, 507, 517,518 is internal receipt device.As shown in Figure 5, each internal receipt device 502,507, 517,518 back side being connected to corresponding linear concentrator optical element.

As shown in Figure 5, edge row receptor 501,521 is not connected to linear concentrator light Learn element (linear concentrator optics).In at least some embodiments, each linearly Converging optical element 502,506,508,515,516,517 includes that curved surface (such as, is thrown Thing line) reflecting mirror.Curved reflector is configured to assemble to respective receptor sunlight.As Shown in Fig. 5, from the surface reflection 509 of optical element 502, so that it is converged to receive Device 501(such as, one or more solaodes) acceptance division.As shown in Figure 5, Receptor 501 is positioned opposite with corresponding optical element 509.As shown in Figure 5, receptor 503 backside heat sheets are partially attached to the back side of adjacent optical elements 502.From optical element 506 Before light 505 is reflexed to receptor 503(such as, one or more solaodes) Light-receiving anterior.

As shown in FIG. 5, this photovoltaic system has tumbler 513, and tumbler 513 constructs Become to make converging optical element 502,506,508,515,516,517 and receptor 501, 503,507,517,518,521 rotate so that it is become and be directed at the sun, thus, make by The angle of incidence of the light that optical element is converged on receptor keeps fixing.The system elevation angle 511 represents Photovoltaic system is relative to the angle on the plane of reference such as ground.This photovoltaic system has fixing device, Such as fixing device 504,519, to support respective optical element, as described above.

Fig. 6 illustrates that the air velocity to photovoltaic (PV) system embodiment as shown in Figure 5 is imitated True example.As shown in FIG. 6, wind field (field wind) is in the direction court of arrow 601 Photovoltaic system is propagated.In figure 6, there is at a fairly low speed (such as, about zero) air-flow Region (" wind shade ") be depicted as that there is line pattern.The about air-flow of zero-speed is permissible The situation that can not remove heat from heat exchanger is moved corresponding to air.

As shown in Figure 6, fin layout area such as region 605, the light of edge row receptor Learn the such as region 607, region at element region below such as region 602 and tumbler all to locate In wind shade.In figure 6, the region description of wind field 601 it is more exposed to than wind shadow region Become there is circle pattern.As shown in Figure 6, the part in region, such as district between optical element The air velocity that territory 611,613,619,615 has is more than the speed in wind shadow region. Because at the air-flow that system edges is bent around there is momentum, and can not the promptly side of change To, make edge receiver stay in wind shade 605, as shown in Figure 6.

Because edge receiver is positioned in wind shade, heat cannot exchange effectively to air, Further, edge receiver generally more thermally works than other receptors of system.It is to say, Although the fin of receptor is positioned at the edge of system, intuition expection is more exposed to wind herein , but due to wind natural route of movement around system, (such as, the region, edge of system 605) it is physically located low wind speed district.Due to the pressure differential of system both sides, internal dissipation backing Seem system approach relative broad range some accelerate flowing, be such as positioned at region 611, 613, the fin at 619,615 so that in narrow zone, air is from side (such as system Left side) opposite side (such as on the right side of system) is arrived by system flow.

Fig. 7 illustrates that emulation wind flows through the song of the fin of photovoltaic system embodiment as shown in Figure 5 Line example.In fin, the flowing velocity of metre per second (m/s) (m/s) is expressed as system relative to benchmark The function at the elevation angle on such as ground, face.The emulation of flowing velocity is under the thing wind field of 1 meter per second Carry out, and describe in the heat exchanger that obtains according to thing Simulation of Wind Field in the figure 7 average Flowing velocity.As shown in Figure 7, under any system elevation angle, edge row's receptor 707, Average flow velocity in the fin of 705 is both less than the heat radiation of internal receipt device 701,703 Average flow velocity in sheet.

In addition to the flowing of whole array is uneven, when battery operates at a lower temperature All the time the advantage in terms of effective percentage and reliability, therefore, makes natural wind and convection current accelerate logical Cross the fin performance requirement that the technology of fin can reduce, and and then obtain lower cost Assembly or make identical price component have higher reliability.

Fig. 8 is shown in edge Pai Chu and has photovoltaic (PV) system embodiment of airflow accelerator Section view diagram 800.Photovoltaic system has a kind of array format, and this array includes: linearly gather Light optical element 804,806,808,812,817,814；Have gelled photovoltaic to connect Receive device 810,807,805,818,815,813；And laying respectively at photovoltaic system limit Edge row photovoltaic receiver 810,813 at lower limb exhaust stream accelerator 811,812 and on Edge exhaust stream accelerator 820,821, as shown in Figure 8.Be positioned at edge row receptor 813, Photovoltaic receiver 807,805,817,815 between 811 is internal receipt device.

As shown in Figure 8, each internal receipt device 807,805,817,815 is connected to accordingly The back side of linear concentrator optical element.Edge row's receptor 811,812 is not connected to line Property converging optical element.In at least some embodiments, each linear concentrator optical element 804, 806,808,812,817,814 include curved surface (such as, parabola) reflecting mirror.Curved surface Reflecting mirror is configured to assemble to respective receptor sunlight.Light (not shown) can be from light Learn element 808 surface reflection, with assemble to receptor 810(such as, one or more too Sun can battery) light-receiving anterior.Receptor 810 is positioned opposite with respective optical element 808. Each airflow accelerator such as airflow accelerator 811, airflow accelerator 812, airflow accelerator 820, Airflow accelerator 821 can improve air-flow and accelerate (to enter the air velocity of respective fin, gas The amount of stream or both), and reduce the torque load of system.Such as, by increasing from each scattered The size on the airflow accelerator surface that backing extends further, the surface phase of adjustment airflow accelerator Position or the two for respective fin have both at the same time, and air-flow can be promoted to accelerate and reverse Load reduction.

As shown in Figure 8, the fin of receptor 807 is connected to adjacent optical elements 808 The back side.Light (not shown) can be from the front surface reflection of optical element 804 to receptor 805(such as, one or more solaodes) light-receiving anterior.Photovoltaic system has Tumbler 801, its be configured to make converging optical element 804,806,808,812,817, 814, receptor 810,807,805,818,815,813 and airflow accelerator 811, 812 rotate so that it is become and be directed at the sun, thus, optical element assemble to receptor Light angle of incidence keep constant.The system elevation angle 802 represents that photovoltaic system is relative to datum level The angle on (such as, ground).Photovoltaic system has fixing device, such as fixing device 809, 803,816, to support each optical element, as described above.

Fig. 9 illustrates that the air velocity of the embodiment to photovoltaic as shown in Figure 8 (PV) system is imitated True example.As shown in Figure 9, wind field is propagated towards photovoltaic system in the direction of arrow 904.Tool The region accelerating air-flow is had to be depicted as having dot pattern in fig .9, and, wind shadow region It is depicted as that there is line pattern.As shown in Figure 9, with lower limb row flow accelerator 902, Top edge row's flow accelerator 906 or the fin with the two edge being linked row's receptor Region (such as region 903) has the air-flow of acceleration.Accelerate the air-flow in flow area Speed is much higher than the air velocity in wind shadow region.There is exhaust gas inside flow accelerator (not Illustrate) internal receipt device fin around the air velocity of (such as, in region 905), Can be more than the gas velocity not having around the photovoltaic system internal receipt device fin of airflow accelerator Degree, as shown in Figure 6.

Referring again to Fig. 8, each edge row's flow accelerator 811,812 has wind deflector face. By the wind deflector face of airflow accelerator is extended into the flow boundary around system, make system Air-flow at edge row accelerates.The effect in wind deflector face is on the position and wind direction of relative broad range Flow directly into the passage of fin, to maintain more uniform temperature at whole array.

Figure 10 illustrates and flows through photovoltaic system at the post-simulation wind adding airflow accelerator as shown in Figure 9 The curve example of the fin of system embodiment.It is relative that flowing velocity in fin is depicted as system Function in the datum level elevation angle.Reference surface can be ground.Carry out under 1 meter per second wind field The emulation of flowing velocity.Arrange in receptor fin relative to the edge not having flow accelerator Flow velocity, improves the flowing velocity in edge row's receptor 1002 fin.As shown in Figure 10, Under any inclination angle of system, the flowing velocity in edge row's receptor 1002 fin is substantially It is similar to the flowing velocity in the fin of internal receipt device 1001.

Figure 11 A is shown in the photovoltaic (PV) at edge row and internal row with airflow accelerator The transverse section diagram 1100 of system embodiment.As shown in Figure 11 A, this photovoltaic system has line Property converging optical element 1104,1106,1114 and be respectively provided with fin 1117,1118, The array of the photovoltaic receiver 1102,1108,1109 of 1119.Photovoltaic receiver 1102 is Edge row's receptor, and, receptor 1108,1109 is internal receipt device.Such as Figure 11 A Shown in, lower limb row's flow accelerator 1103 and top edge row's flow accelerator 1125 are positioned at At the receptor 1102 of system edges row, and, internal row's flow accelerator 1105,1113 Lay respectively at internal receipt device 1108,1109.As illustrated in figure 11A, each fin 1118, 1119 is adjacent with the back side of linear concentrator optical element 1104,1106 respectively.Edge row receive Device 1102 is not connected to linear concentrator optical element.

As shown in Figure 11 A, lower limb row flow accelerator 1103 has in a direction (example As, the surface 1120 extended with an angle from the bottom of receptor 1102 downwards), to guide Air-flow 1107 enters fin 1117.Surface 1120 is positioned at the front side 1127(example from receptor Such as, front glass) plane that extends with the dorsal part 1128(from receptor 1101 such as, heat radiation The end face of sheet 1117) between the plane that extends, to guide the surface 1120 of accelerator 1103 The air-flow of both sides enters fin 1117.Such as, the surface of flow accelerator can be oriented in Between front glass and the end face of fin of receptor, to make on the relative broad range at system inclination angle Air-flow maximized acceleration.

Top edge row's flow accelerator 1125 has and certainly connects in other direction (such as, upwards) Receive the surface that the top of device 1102 extends with an angle, to guide air-flow 1126 to enter fin 1117.The surface of top edge row's flow accelerator 1125 is positioned at the front side 1127 from receptor Extend plane and from dorsal part 1128 extend plane between, to guide accelerator 1125 surface The air-flow 1126 of both sides enters fin 1117.Internal row's flow accelerator 1105 has certainly The surface that receptor 1108 extends, so that air-flow 1110 is directed on fin 1118, with And, internal row's flow accelerator 1113 has the surface extended from receptor 1109, to guide Air-flow 1110 enters fin 1119.The table of each internal row's flow accelerator 1105,1113 Face is between the dorsal part and front side of corresponding receiver, as shown in Figure 11 A.To surface 1120 Size, position and angle be adjusted, with guide swimmingly air-flow 1110 enter dissipate Backing 1119 and there is no direction change drastically, reduce the most to greatest extent beyond receptor simultaneously 1101 sun shades extended.Such as, entered from fin 1117 by increase surface 1120 The size 1121 that one step extends, can promote that air-flow accelerates (raising of air velocity and/or gas The increase of flow) and torque load reduction.In at least some embodiments, size 1122 Substantially it is in 20 millimeters (" mm ") in the range of 50 millimeters.And one can be included Series continuous bend is so that surface produces progressive curve.

As shown in Figure 11 A, edge exhaust stream accelerator 1103 has and surface 1120(example Such as, plate) adjacent surface 1116(such as, plate).Surface 1116 is with angle 1123 phase Surface 1120 is arranged.In at least some embodiments, surface is limited relative to the sun The length of 1120 and angle, to reduce the shade size beyond receptor 1102 as far as possible.Extremely In fewer embodiments, the angle between surface 1120 and surface 1116 is adjusted, with Make to accelerate maximum by the air-flow of fin 1117, meanwhile, reduce shade and along stream as far as possible The pressure of the air-flow that dynamic accelerator moves declines.In at least some embodiments, angle 1123 Depend on being orientated relative to the receptor of whole system holding state.In at least some embodiment In, angle 1123 is more than 90 degree.In at least some embodiments, surface 1116 and surface Angle between 1120 about 90 degree to 135 degree in the range of.

Size and position to surface 1116 are adjusted, so that receptor to be got around originally The air-flow 1107 of 1102 alters course towards surface 1120,1116.Such as, by increasing from receiving The size 1121 on the surface 1116 that device extends further, can promote that air-flow accelerates (to improve gas Flow Velocity and/or increase throughput) and the minimizing of torque load.In at least some embodiments, The size 1121 on surface is adjusted, to provide the air velocity by edge fin, It is made to mate with by the air velocity of internal row's receptor fin.In at least some embodiment In, the size on the surface that airflow accelerator extends from receptor is limited by the gap of system to ground System, such as, when system turns to the position being approximately perpendicular to ground.Implement at least some In example, size 1121 is in about 50 millimeters (" mm ") in the range of 200 millimeters.

Exhaust gas inside flow accelerator such as accelerator 1105,1113 is configured to, and makes respectively by dissipating The air-flow of backing 1118,1119 maximizes.In at least some embodiments, airflow accelerator The surface of 1105 make originally will at optical element 1106 with light-receiving front portion 1112(such as, one Individual or multiple solaodes) between the air-flow 1110 that passes through deflect towards fin 1118.This Outward, under other elevations angle, airflow accelerator 1105,1113 make by along optical element 1106, 1114 air-flows 1124 propagated deflect entrance fin 1118,1119 respectively.

The surface of airflow accelerator 1113 makes originally anterior with light-receiving at optical element 1114 1115(such as, battery) between the air-flow 1110 that passes through deflect towards fin 1119.Permissible Make the size and shape optimization on the surface of airflow accelerator, think that all fin of system carry For uniform and maximized flowing velocity.

In at least some embodiments, each linear concentrator optical element 1104,1106,1114 It it is curved surface (such as, parabola) reflecting mirror.Linear concentrator optical element configuration becomes, by the sun Light assembles the light receiver to each receptor (such as, one or more solaodes).Light (not shown) can be from the front surface reflection of optical element 1106, to assemble in relative The acceptance division 1112(of portion's receptor 1108 such as, one or more solaodes).Light (not shown) can be from the front surface reflection of optical element 1114, to assemble in relative The acceptance division 1115(of portion's receptor 1109 such as, one or more solaodes).

As shown in Figure 11 A, part 1101(of receptor 1102 is arranged such as in edge, one Or multiple solaode) receive the light 1111 of front surface reflection from optical element 1104. As illustrated in figure 11A, edge row receptor 1102 is not connected to optical element.There is heat radiation It is vertical that edge row's receptor 1102 of sheet can be connected to be arranged on pillar (not shown) Support (not shown), as mentioned above.Photovoltaic system has tumbler (not shown), structure Become to make converging optical element such as optical element 1104,1106,1114, receptor such as connects Receive device 1102,1108,1109 and airflow accelerator such as edge row's flow accelerator 1103 Rotate with internal flow accelerator 1105,1113 so that it is become and be directed at the sun, thus, by Optical element is assembled the angle of incidence such as angle of incidence 1115 of the light to receptor and is kept constant, As mentioned above.

Keep being in the sun because the output of concentration photovoltaic system is highly dependent on system Good alignment, causes must take into any wind causing system deflection or distorting in system designs Load.Higher wind torque load causes system to distort along its rotary shaft, it is therefore desirable to harder Gu durable structural detail, and and then owing to additional materials requires to cause higher costs.

Figure 11 B is shown in edge row and has the photovoltaic of airflow accelerator at internal row (PV) the transverse section diagram 1130 of another embodiment of a system part.Such as institute in Figure 11 B Showing, lower limb row's flow accelerator 1136 and top edge row's flow accelerator 1134 are positioned at system At the receptor 1135 of edge row, and, internal row's flow accelerator 1141,1142 is respectively At internally positioned receptor 1131,1146, as mentioned above.As shown in Figure 11 B, in each The reinforcement structure unit that the fin of portion's row's receptor is connected on the linear concentrator optical element back side Part.Such as, as shown in Figure 11 B, the fin of internal row's receptor 1131 is connected to Reinforcement structure element 1133 on linear concentrator optical element 1132 back side.Edge row's receptor 1135 are supported by horizontal support 1137, are not connected to any linear concentrator optical element, as Upper described.Native system has tumbler 1145, as mentioned above.

As shown in Figure 11 B, lower limb row flow accelerator 1136 has in a direction (example As, the surface extended with an angle from receptor 1135 side downwards), to guide air-flow to enter Enter fin 1147.As shown in Figure 11 B, the surface of airflow accelerator 1136 is positioned at receptor Between front side and the dorsal part of 1135, to guide the air-flow 1139 of accelerator 1136 side and to add The air-flow 1140 of speed device 1136 opposite side enters fin.

As shown in Figure 11 B, top edge row flow accelerator 1134 has in other direction (example As, the upwards) surface extended with an angle from the opposition side of receptor 1135.Top edge is arranged The surface of flow accelerator 1134 may be located between front side and the dorsal part of receptor 1135, with The air-flow 1138 guiding accelerator 1134 both sides enters fin.Each internal row's flow accelerator 1141, the surface of 1142 is between the dorsal part and front side of corresponding receiver, is adding to guide Air-flow (such as, respectively air-flow 1144,1143) that speed device side is propagated along optical element, And the air-flow in accelerator opposition side enters fin, as shown in Figure 11 B.

Figure 12 illustrates that the air-flow to photovoltaic (PV) system embodiment not having airflow accelerator divides Cloth simulated example.Native system has tumbler 1201, converging optical element such as reflecting mirror 1203,1205,1209,1213, internal row's receptor such as receptor 1215,1207 with And row receptor such as receptor 1217, edge, above relative to as described in Fig. 5.In Figure 12 Shown in, air-flow is asymmetric distribution along system.Some regions of system, as being depicted as having sky The region 1202,1204 of white pattern, its air-flow having is more than other region of system, as It is depicted as the region 1219,1215 with line pattern.More specifically, edge reflections mirror Air-flow around 1213 is far longer than the air-flow in other parts of system.Edge reflections mirror 1213 Make air-flow carry out sizable asymmetric deflection, at tumbler 1201, cause that bigger torsion occurs Power, as shown in Figure 12.

Figure 13 illustrates the air-flow to photovoltaic (PV) system embodiment having edge airflow accelerator Distributed simulation example.Native system has the offer tumbler 1301 of rotary shaft, light-gathering optics unit Part such as reflecting mirror 1307,1305,1303, internal row receptor such as receptor 1309 and Edge row's receptor such as receptor 1304 and edge exhaust stream accelerator such as accelerator 1302, above relative to as described in Fig. 8.

As shown in Figure 13, air-flow is distributed along native system symmetrical.Some districts of native system Territory, such as the region at the receptor 1304 being depicted as there is blank pattern and accelerator 1302, The air-flow having is more than other region of system, as being depicted as the region with line pattern.By The deflection to air-flow of the surface of edge exhaust stream accelerator 1302, causes system surrounding flow Symmetrical is distributed.Symmetrical due to air-flow, occurs the lowest at tumbler 1301 Torsion, as shown in Figure 13.It is to say, have the light of at least one airflow accelerator Volt system causes the reduction of moment of torsion and other wind loads acting on photovoltaic system.According to emulation, Airflow accelerator use in photovoltaic system, makes torque load reduce by more than 50%.

Figure 14 illustrates the curve example of the emulation torsion acted in photovoltaic system embodiment.Turn round In any unit of power 1403() be depicted as photovoltaic system relative to datum level inclination angle 1404(with Degree is for unit) function.Datum level can be ground.Torsion can be emulated according to west wind, as Shown in Figure 14.There is the torque load of system of the airflow accelerator scope in turned position Inside depict solid line 1402 as, the air flow deflector face that airflow accelerator is had a length of about 128 millimeters (mm).There is no the torque load of system of airflow accelerator at turned position model Chain-dotted line 1401 is depicted as in enclosing.As shown in Figure 14, at the model at turned position (inclination angle) In enclosing, the torque load with the system of airflow accelerator is less than the system without airflow accelerator Torque load.

Figure 15 is to provide the enforcement of method 1500 that air-flow accelerates into the system of heat exchanger The flow chart of example.Method 1500 is with operation 1501 beginning, and this operation includes one or more It is (the most scattered that optical element (such as, linear concentrator optical element) links to have heat exchanger Backing) electrooptical device (such as, receptor).In operation 1502, by one or more Airflow accelerator links to electrooptical device, to improve the speed of air-flow entrance heat exchanger, as above Described.In at least some embodiments, can link to be positioned at photovoltaic system by airflow accelerator The electrooptical device of edge row, as mentioned above.In at least some embodiments, air-flow can be added Speed device links to the electrooptical device of internally positioned row, as mentioned above.In at least some embodiments, Connect one or more airflow accelerator to include airflow accelerator is installed to keeping electrooptical device Support, as mentioned above.Make one or more airflow accelerator relative to respective electrooptical device Position is fixed, as described above.

Operation 1503, connection tumbler (such as, torque tube), with rotate electrooptical device, Optical element and airflow accelerator, as mentioned above.In operation 1504, by one or many Individual pillar connects with electrooptical device, as mentioned above.Then, operation 1505 includes performing by gas Flow accelerator guides air-flow towards each automatic heat-exchanger.In at least some embodiments, air-flow accelerates Utensil has the surface extended from corresponding receiver, as described above.In at least some embodiments, Airflow accelerator has the surface extended from the heat exchanger of receptor.In at least some embodiment In, the surface of airflow accelerator make air-flow deflect towards fin.In operation 1504, utilize One or more airflow accelerator, reduce one or more wind loads, as above in relation to Described in Figure 12-14.

In the above specification, with reference to specific embodiment, the embodiment party of the present invention is described Formula.However, it will be apparent that in the case of without departing from the broader spirit and scope of the present invention, can So that to it, various modification can be adapted.Correspondingly, the specification and drawings should be considered as illustrative and Nonrestrictive.

Claims

1. improve a device for the air-flow speed by heat exchanger, including:

Electrooptical device, has front and rear, described front portion include receptor, one or many Individual solaode, described rear portion includes that heat exchanger, described heat exchanger have along described one The fin that individual or multiple solaode the back side extends；And

Airflow accelerator, itself and the connection of described electrooptical device, wherein, described airflow accelerator Including the first surface towards the described heat exchanger described air-flow of guiding,

Wherein, described airflow accelerator is to link to be positioned at the described smooth Denso of system edges row The airflow accelerator put,

Wherein, the described airflow accelerator of each described edge row has wind deflector face, by inciting somebody to action The described wind deflector face of described airflow accelerator extends into the flow boundary around described system, Making the air-flow at system edges row accelerate, the effect in described wind deflector face is the position at relative broad range Put and flow directly on wind direction the passage of described heat exchanger, to maintain evenly at whole array Temperature,

Wherein, it is separated from each other with electrooptical device with the airflow accelerator that air gap makes described edge arrange, And both of which is attached to fixed structure so that described edge row airflow accelerator relative to The position of described electrooptical device is fixed.

Device the most according to claim 1, wherein, described airflow accelerator include with The second surface of described first surface connection, wherein, described second surface is suitable to make to get around described The air-flow of electrooptical device alters course towards described first surface.

Device the most according to claim 1, wherein, make described first surface relative to The position of described electrooptical device is fixed.

Device the most according to claim 1, farther includes

Optical element, light is gathered on described electrooptical device by it.

Device the most according to claim 1, wherein, described airflow accelerator includes gold Genus, plastics, glass or its combination in any.

Device the most according to claim 1, wherein, described airflow accelerator is installed on Keep the support of described electrooptical device.

Device the most according to claim 1, wherein, the size of described first surface, Described airflow accelerator relative to the position of described heat exchanger or the two determine described gas velocity The raising of degree.

Device the most according to claim 1, wherein, described airflow accelerator includes curved Bent metal sheet.

Device the most according to claim 1, wherein, described airflow accelerator is at least A part extending above at described electrooptical device, and, make described airflow accelerator be positioned to Back side offer to described electrooptical device is covered.

Device the most according to claim 1, wherein, described airflow accelerator is extremely A few part extends in the lower section of described electrooptical device.

The 11. 1 kinds of photovoltaic making air-flow accelerate into heat exchanger (" PV ") systems, bag Include:

One or more first row receptors, it includes one or more solaode；

One or more second row optical elements, to be gathered in light on described receptor；With And

One or more 3rd exhaust stream accelerators, it connects with the one or more first row Receipts device connects, to improve the air-flow speed by described heat exchanger,

Wherein, described heat exchanger has the back side along one or more described solaodes The fin extended,

Wherein, described airflow accelerator includes and the air-flow of the receptor connection being positioned at edge row Accelerator,

Wherein, the described airflow accelerator at each edge has wind deflector face, by by described gas The described wind deflector face of flow accelerator extends into the flow boundary around system, makes system edges Air-flow at row accelerates, and the effect in described wind deflector face is on the position and wind direction of relative broad range Flow directly into the passage of described heat exchanger, to maintain more uniform temperature at whole array,

12. photovoltaic systems according to claim 11, wherein, described airflow accelerator Including the surface extended from each receptor, to collect the air-flow getting around described receptor.

13. photovoltaic systems according to claim 11, wherein, described airflow accelerator The airflow accelerator connect including the receptor with internally positioned row.

14. photovoltaic systems according to claim 11, wherein, make described air-flow accelerate Device is fixed relative to the position of respective receptor.

15. photovoltaic systems according to claim 11, wherein, described airflow accelerator Including metal, plastics, glass or its combination in any.

16. photovoltaic systems according to claim 11, wherein, described airflow accelerator It is installed on the support keeping each receptor.

17. photovoltaic systems according to claim 11, wherein, described airflow accelerator It is installed on the support keeping each optical element.

18. photovoltaic systems according to claim 11, wherein, described flow accelerator Metal sheet including bending.

The manufacture method of 19. 1 kinds of photovoltaic (PV) systems, including:

The receptor making one or more airflow accelerator and have heat exchanger connects, to carry High gas flow enters the speed of described heat exchanger；And

One or more optical element is made to connect with described receptor,

Wherein, described receptor includes one or more solaode, described heat exchanger There is the fin of the back side extension along one or more described solaodes,

Wherein, connect the one or more airflow accelerator to include: make airflow accelerator with It is positioned at the receptor connection of edge row,

20. methods according to claim 19, connect the one or more air-flow and add Speed device includes, makes the receptor connection of airflow accelerator and internally positioned row.

21. methods according to claim 19, wherein, connect the one or more Airflow accelerator includes:

Airflow accelerator is made to be installed on the support keeping receptor.

22. methods according to claim 19, wherein, connect the one or more Airflow accelerator includes:

The one or more airflow accelerator is fixed relative to the position of respective receptor.

23. methods according to claim 19, farther include:

By the one or more airflow accelerator included from the surface that each receptor extends, Make air flow deflector.

24. methods according to claim 19, farther include: by having from each heat The one or more airflow accelerator on the surface that exchanger extends, makes described air flow deflector.

25. methods according to claim 19, farther include:

One or more wind loads are reduced by one or more airflow accelerator.