WO2019007173A1 - 路面发电系统 - Google Patents

路面发电系统 Download PDF

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Publication number
WO2019007173A1
WO2019007173A1 PCT/CN2018/089523 CN2018089523W WO2019007173A1 WO 2019007173 A1 WO2019007173 A1 WO 2019007173A1 CN 2018089523 W CN2018089523 W CN 2018089523W WO 2019007173 A1 WO2019007173 A1 WO 2019007173A1
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WO
WIPO (PCT)
Prior art keywords
substrate
power generation
generation system
road surface
glass
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PCT/CN2018/089523
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English (en)
French (fr)
Inventor
王运方
代凤玉
霍艳寅
曹志峰
Original Assignee
北京铂阳顶荣光伏科技有限公司
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Publication of WO2019007173A1 publication Critical patent/WO2019007173A1/zh

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    • 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
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
    • 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
    • H02S40/10—Cleaning arrangements
    • H02S40/12—Means for removing snow
    • 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
    • H02S40/40—Thermal components
    • 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
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2214/00—Aspects relating to resistive heating, induction heating and heating using microwaves, covered by groups H05B3/00, H05B6/00
    • H05B2214/02—Heaters specially designed for de-icing or protection against icing
    • 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

Definitions

  • the present invention relates to solar power generation technology, and more particularly to a road surface power generation system having a heat generating support member.
  • the solar energy application in the transportation field can also be applied to solar power generation design.
  • non-motorized roads account for a large proportion, such as parks, pedestrian streets, etc.
  • the road surface can be used for solar energy, and solar cell chips are laid thereon, which becomes an integrated carrier for functions such as landscape facilities, lighting, monitoring, and information warning.
  • the present invention provides a road surface power generation system, comprising: a glass layer, a solar cell chip, a substrate, and a heat-generating support member; the solar cell chip being disposed between the glass layer and the substrate; the heat-generating support member Standing between the glass layer and the substrate.
  • the heat generating support member has a strip shape.
  • the heat generating support member is in a block shape, a sheet shape, or a spherical shape.
  • a lower portion of the heat generating support member directly contacts the substrate, and an upper portion of the heat generating support member is supported on the glass layer.
  • the glass layer includes an upper glass and a lower glass fixedly connected by a sheet-like adhesive layer, and an upper portion of the heat-generating support member is supported on a bottom surface of the lower glass .
  • the solar cell chip is laid on the substrate and located on a side of the substrate facing the lower glass;
  • the solar cell chip is laid on a side of the lower glass facing the substrate.
  • the road surface power generation system as described above, wherein, preferably, further comprising: a transparent conductive heat-generating film disposed between the upper glass and the sheet-like adhesive layer; or disposed on the lower glass and the sheet Between the bonding layers; or on the side of the lower glass facing the substrate.
  • the road surface power generation system as described above, wherein preferably, further comprising: a thermal resistor embedded in the substrate or disposed under the substrate.
  • a closed cavity is provided between the substrate and the glass layer, and an inert gas is disposed in the cavity.
  • a sealant is disposed on a side between the substrate and the lower glass, and a structural adhesive is disposed on a side between the substrate and the upper glass.
  • a light-emitting belt is disposed between the lower glass and the structural adhesive.
  • the road surface power generation system as described above, wherein, preferably, further comprising a temperature sensor, an irradiation sensor, and a control unit, the control unit sensing the ambient temperature sensed by the temperature sensor and/or the irradiation sensor
  • the light intensity controls the heat generating support member to generate heat.
  • the road surface power generation system provided by the present invention heats the glass layer by providing a heat-generating support member between the glass layer and the substrate, thereby melting the snow and ice on the glass layer, thereby improving the light absorption rate of the solar cell chip, thereby improving Power generation efficiency.
  • FIG. 1 is a schematic structural view of a road surface power generation system with a heat generating support member according to an embodiment of the present invention
  • Figure 2 is an enlarged view of A in Figure 1.
  • FIG. 1 is a schematic structural view of a road surface power generation system with a heat generating support member according to an embodiment of the present invention
  • FIG. 2 is an enlarged view of a portion A of FIG.
  • Embodiments of the present invention provide a road surface power generation system including a glass layer 3, a solar cell chip 2, a substrate 1 and a heat generating support member 4.
  • the substrate 1 is used for setting on the road surface as a basis for installation of the entire road surface power generation system.
  • the solar cell chip 2 is disposed between the glass layer 3 and the substrate 1, and the heat-generating support member 4 is placed between the glass layer 3 and the substrate 1 for heating the glass layer 3 to melt the snow and ice on the glass layer 3.
  • the road surface power generation system provided by the embodiment of the present invention heats the glass layer 3 by providing the heat-generating support member 4 between the glass layer 3 and the substrate 1, thereby melting the snow and ice on the glass layer 3, and improving the solar cell chip 2
  • the light absorption rate which in turn increases the power generation efficiency.
  • the heat-generating support member 4 may be in the form of a strip, and its cross section may be any shape such as a square, a rectangle, a ring, a circle, a hexagon, a pentagram, or the like.
  • the heat-generating support member 4 may be in the form of a block, a sheet, a sphere, or the like, and it is within the scope of the present invention as long as the heat-generating support member 4 capable of generating heat is satisfied.
  • the heat generation of the above-described heat-generating support member 4 can be controlled by the following:
  • the road surface power generation system can further include a temperature sensor and a control unit.
  • the temperature sensor is used to sense the ambient temperature, which can be directly disposed on the glass layer 3 for directly sensing the temperature of the glass layer 3, or can be fixed on other parts of the road surface power generation system by means of a bracket or the like, by sensing the air.
  • the temperature indirectly senses the temperature of the glass layer 3.
  • the control unit is electrically connected to the heat generating support member 4 and the temperature sensor, respectively, for controlling the heat generation of the heat-generating support bar 4 according to the ambient temperature sensed by the temperature sensor.
  • the road surface power generation system may further include an irradiation sensor for sensing the light intensity.
  • the irradiation sensor can be directly disposed on the glass layer 3 to directly sense the light intensity of the glass layer 3, or can be fixed on other components of the road surface power generation system by means of a bracket or the like, by sensing the light intensity of other components.
  • the light intensity of the glass layer 3 is indirectly sensed.
  • the irradiation sensor is also electrically connected to the control unit, and the control unit is further configured to control the heat generation of the heat-generating support member 4 according to the light intensity sensed by the irradiation sensor.
  • the heat-generating support member 4 may be an electric heating cable in the prior art. When heating is required, the heat-generating support member 4 is controlled to generate heat, and the glass layer 3 is thermally conducted to melt the snow and ice on the glass layer 3.
  • the heat-generating support member 4 can achieve heat generation, but in order to achieve a better heat conduction effect, the lower portion of the heat-generating support member 4 can be directly in contact with the substrate 1, and the upper portion is supported on the glass layer 3.
  • the substrate 1 can be further provided as a metal plate having good heat conductivity.
  • the substrate 1 is an aluminum substrate.
  • the glass layer 3 may be provided to include the upper glass 32 and the lower glass 33 fixedly connected by the sheet-like bonding layer 31, and the solar cell chip 2 may be disposed on the lower glass 33 toward the substrate 1.
  • the provision of the glass layer 3 including the double glazing also improves the tolerance of the road surface.
  • the material of the sheet-like bonding layer 31 may be EVA (English full name: ethylene-vinyl acetate copo; Chinese full name: ethylene-vinyl acetate copolymer), PVB (English full name: polyvinyl butyral; Chinese full name: polyvinyl butyral) , POE (English full name: Polyolyaltha Olfin; Chinese full name: polyethylene octene coelastomer) or TPO (English full name: Thermoplastic polyolefin; Chinese full name: thermoplastic polyolefin elastomer).
  • the thickness of the upper glass 32 and the lower glass 33 is 3-15 mm, preferably 10 mm.
  • the solar cell chip 2 can also be laid on the substrate 1, specifically bonded to the substrate 1 by a butyl rubber 6, and on the side of the substrate 1 facing the lower glass 33. At this time, it is possible to provide the above-described heat-generating support member 4 to be in direct contact with the substrate 1 while avoiding the position of the solar cell chip 2. If the number of the solar cell chips 2 laid on the substrate 1 is two or more, the bottom of the heat-generating support member 4 may be disposed between the adjacent two solar cell chips 2.
  • the heat-generating support member 4 is disposed at a central position of the glass layer 3, so that not only a preferable heat conduction effect but also the heat-generating support member 4 can support the large-sized glass to avoid the intermediate reception of the glass layer 3. The rupture caused by the force.
  • the above-described road surface power generation system may further include a transparent conductive heat-generating film disposed between the upper glass 32 and the sheet-like adhesive layer 31; or between the lower glass 33 and the sheet-like adhesive layer 31; It is disposed on the side of the lower glass 33 facing the substrate 1.
  • the transparent conductive heat-generating film is disposed on the lower surface of the upper glass 32, that is, between the upper glass 32 and the sheet-like adhesive layer 31, so that not only the snow melting can be heated, but also the toughness of the glass layer 3 can be improved. Layer 3 is not easily broken and takes up less space.
  • the above-described road surface power generation system may further include a thermal resistor 5 embedded in the substrate 1 or disposed under the substrate 1 to further improve the heating effect.
  • a closed cavity 7 is provided between the substrate 1 and the glass layer 3, and further, the cavity 7 is provided with inertness. gas.
  • the inert gas is disposed so as to prevent the water vapor from entering the cavity 7, thereby preventing the solar cell chip 2 from being affected by moisture and impairing performance.
  • the height of the cavity 7 is 8-20 mm, preferably 12.5 mm.
  • the closed cavity 7 can be realized by providing a sealant 8 on the side between the substrate 1 and the lower glass 33, and a structural adhesive 9 on the side between the substrate 1 and the upper glass 32, see FIG.
  • the sealant 8 can be made of butyl rubber
  • the structural adhesive 9 can be made of silicone structural glue 9.
  • the light-emitting strip 10 may be disposed between the lower glass 33 and the structural adhesive 9 described above.
  • an anti-slip layer is provided on the upper surface of the upper glass 32, and the anti-slip layer can be formed by acid etching.
  • a hard coating is provided on the anti-slip layer to increase the wear resistance of the upper glass 32.

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Road Paving Structures (AREA)
  • Photovoltaic Devices (AREA)
  • Surface Heating Bodies (AREA)

Abstract

一种路面发电系统，包括：玻璃层（3）、太阳能电池芯片（2）、基板（1）和发热支撑部件（4）；太阳能电池芯片设置在玻璃层与基板之间；发热支撑部件立置在玻璃层和基板之间。通过在玻璃层与基板之间设置发热支撑部件，以对玻璃层进行加热，从而能将玻璃层上的冰雪融化，提高了太阳能电池芯片的光吸收率，进而提高了发电效率。

Description

路面发电系统
本申请要求于2017年07月06日提交中国专利局、申请号为201710547403.1、发明名称为“具有发热支撑条的路面发电系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及太阳能发电技术，尤其涉及一种具有发热支撑部件的路面发电系统。
背景技术
随着新能源技术的不断发展，分布式太阳能为人们提供了更为便捷的能源供应。分布式太阳能发电需要一定的平面或者立面空间作为场地载体。
目前，交通领域中使用了大量的照明、监控、指示等配套电气设施，用电需求明显，而交通领域中的太阳能应用除了服务设施屋顶面积外，尚有很多空间位置还可以应用太阳能发电设计。其中，非机动车道路占比很大，例如公园、步行街等，其路面可以进行太阳能利用，在其上铺设太阳能电池芯片，成为景观设施、照明、监控、信息警示等功能的集成载体。
但是，铺设了太阳能电池芯片的路面一旦有积雪，就会影响光吸收率，进而影响发电效率。而且，路面经常被踩踏和磕碰，导致路面耐受度较差。
发明内容
本发明的目的是提供一种具有发热支撑部件的路面发电系统，以解决现有技术中的问题，提高太阳能电池芯片的光吸收率，进而提高发电效率。
本发明提供了一种路面发电系统，其中，包括：玻璃层、太阳能电池芯片、基板和发热支撑部件；所述太阳能电池芯片设置在所述玻璃层与所述基板之间；所述发热支撑部件立置在所述玻璃层和所述基板之间。
如上所述的路面发电系统，其中，优选的是，所述发热支撑部件为条状。
如上所述的路面发电系统，其中，优选的是，所述发热支撑部件为块状、片状或者球状。
如上所述的路面发电系统，其中，优选的是，所述发热支撑部件的下部直接接触所述基板，所述发热支撑部件的上部支撑在所述玻璃层上。
如上所述的路面发电系统，其中，优选的是，所述玻璃层包括通过片状粘接层固定连接的上层玻璃和下层玻璃，所述发热支撑部件的上部支撑在所述下层玻璃的底面上。
如上所述的路面发电系统，其中，优选的是，所述太阳能电池芯片铺设在所述基板上，且位于所述基板朝向所述下层玻璃的一侧；
或，所述太阳能电池芯片铺设在所述下层玻璃朝向所述基板的一侧。
如上所述的路面发电系统，其中，优选的是，还包括：透明导电发热膜，设置在所述上层玻璃和所述片状粘接层之间；或设置在所述下层玻璃和所述片状粘接层之间；或设置在所述下层玻璃朝向所述基板的一侧。
如上所述的路面发电系统，其中，优选的是，还包括：热电阻，嵌设在所述基板中，或设置在所述基板的下方。
如上所述的路面发电系统，其中，优选的是，所述基板与所述玻璃层之间设置有封闭的空腔，所述空腔内设置有惰性气体。
如上所述的路面发电系统，其中，优选的是，所述基板与所述下层玻璃之间的边侧设置有密封胶，所述基板与所述上层玻璃之间的边侧设置有结构胶。
如上所述的路面发电系统，其中，优选的是，所述下层玻璃与所述结构胶之间设置有发光带。
如上所述的路面发电系统，其中，优选的是，还包括温度传感器、辐照传感器和控制单元，所述控制单元根据所述温度传感器感测的环境温度和/或所述辐照传感器感测的光照强度控制所述发热支撑部件发热。
本发明提供的路面发电系统，通过在玻璃层与基板之间设置发热支撑部件，以对玻璃层进行加热，从而能将玻璃层上的冰雪融化，提高了太阳能电池芯片的光吸收率，进而提高了发电效率。
附图说明
图1为本发明实施例提供的具有发热支撑部件的路面发电系统的结构示意图；
图2为图1中的A处放大图。
附图标记说明：
1-基板 2-太阳能电池芯片 3-玻璃层 31-片状粘接层 32-上层玻璃 33-下层玻璃 4-发热支撑部件 5-热电阻 6-丁基胶 7-空腔 8-密封胶 9-结构胶 10-发光带
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本发明，而不能解释为对本发明的限制。
图1为本发明实施例提供的具有发热支撑部件的路面发电系统的结构示意图，图2为图1中的A处放大图。本发明实施例提供了一种路面发电系统，包括玻璃层3、太阳能电池芯片2、基板1和发热支撑部件4。
其中，基板1用于设置在路面上，作为整个路面发电系统的安装基础。太阳能电池芯片2设置在玻璃层3与基板1之间，发热支撑部件4立置在玻璃层3和基板1之间，用于对玻璃层3进行加热，从而将玻璃层3上的冰雪融化。
本发明实施例提供的路面发电系统通过在玻璃层3与基板1之间设置发热支撑部件4，以对玻璃层3进行加热，从而能将玻璃层3上的冰雪融化，提高了太阳能电池芯片2的光吸收率，进而提高了发电效率。
发热支撑部件4可以为条状，其横截面可以为任意形状，例如，正方形，长方形，环形，圆形，六边形、五角星形等等。
发热支撑部件4也可以为块状、片状或者球状等，只要满足能够发热的发热支撑部件4都属于本发明保护范围。
上述发热支撑部件4的发热可通过如下方式进行控制：该路面发电系统还可以包括温度传感器和控制单元。温度传感器用于感测环境温度，其可以直接设置在玻璃层3上，用于直接感测玻璃层3的温度，也可以通过支架等装置固定在路面发电系统的其他部件上，通过感测空气温度来间接感测玻璃层3的温度。控制单元分别与发热支撑部件4和温度传感器电连接，用于根据温度传感器感测的环境温度，控制发热支撑条4发热。
进一步地，该路面发电系统还可以包括辐照传感器，用于感测光照强度。同样地，辐照传感器可以直接设置在玻璃层3上，直接感测玻璃层3的光照强度，也可以通过支架等装置固定在路面发电系统的其他部件上，通过感测其他部件的光照强度来间接感测玻璃层3的光照强度。辐照传感器还与控制单元电连接，控制单元还用于根据辐照传感器感测的光照强度，控制发热支撑部件4发热。
发热支撑部件4可以是现有技术中的电加热线缆，需要加热的时候，控制发热支撑部件4使其发热，通过玻璃层3导热，使玻璃层3上的冰雪融化。
本领域技术人员可以理解的是，发热支撑部件4能实现发热即可，但是为了实现较佳的导热效果，可以设置上述发热支撑部件4的下部直接接触基板1，上部支撑在玻璃层3上。可进一步设置基板1为导热性能好的金属板，本实施例中，基板1为铝基板。
为了提高玻璃层3的缓冲效果，避免破裂，可以设置玻璃层3包括通过片状粘接层31固定连接的上层玻璃32和下层玻璃33，太阳能电池芯片2可以设置在下层玻璃33朝向基板1的一侧。设置玻璃层3包括双层玻璃还能提高路面的耐受度。片状粘接层31的材质可以是EVA(英文全称：ethylene-vinyl acetate copo；中文全称：乙烯-醋酸乙烯共聚物)、PVB(英文全称：polyvinyl butyral；中文全称：聚乙烯醇缩丁醛)、POE(英文全称：Polyolyaltha Olfin；中文全称：聚乙烯辛烯共弹性体)或TPO(英文全称：Thermoplastic polyolefin；中文全称：热塑性聚烯烃弹性体)。为满足强度要求，上层玻璃32和下层玻璃33的厚度均为3-15mm，优选为10mm。
太阳能电池芯片2还可以铺设在基板1上，具体可通过丁基胶6粘接在基板1上，且位于基板1朝向所述下层玻璃33的一侧。此时，可以设置上述发热支撑部件4避开太阳能电池芯片2的位置，而直接与基板1接触。如果基板1上铺设的太阳能电池芯片2的数量为两片或两片以上，则可以设置发热支撑部件4的底部位于相邻的两片太阳能电池芯片2之间。优选地，设置发热支撑部件4支撑在玻璃层3的中心位置，这样，不仅能够起到较佳的导热效果，而且发热支撑部件4能够对大块的玻璃进行支撑，避免玻璃层3的中间受力过大导致的破裂。
为了进一步提高导热效果，上述路面发电系统还可以包括透明导电发热膜，设置在上层玻璃32和片状粘接层31之间；或设置在下层玻璃33和片状粘接层31之间；或设置在下层玻璃33朝向基板1的一侧。最优的是，将上述透明导电发热膜设置在上层玻璃32的下表面，即上层玻璃32与片状粘接层31之间，不仅可以加热融雪，还能够提高玻璃层3的韧性，使得玻璃层3不容易断裂，而且占据的空间也小。
上述路面发电系统还可以进一步包括热电阻5，嵌设在基板1中，或设置在基板1的下方，进一步提高加热效果。
为了避免玻璃层3对太阳能电池芯片2的压力对太阳能电池芯片2造成损坏，优选地，在基板1与玻璃层3之间设置有封闭的空腔7，进一步地，空腔7内设置有惰性气体。惰性气体的设置可以避免空腔7内不会进入水汽，进而避免了太阳能电池芯片2受到水汽影响而性能受损。本实施例中，空腔7的高度为8-20mm，优选为12.5mm。
上述封闭的空腔7可以通过如下方式实现：基板1与下层玻璃33之间的边侧设置有密封胶8，基板1与上层玻璃32之间的边侧设置有结构胶9，参照图1。密封胶8可以采用丁基胶，结构胶9可以采用硅酮结构胶9。
为了增加路面发电系统的夜间显示效果，可以在下层玻璃33与上述结构胶9之间设置发光带10。
进一步地，在上层玻璃32的上表面设置有防滑层，防滑层可通过酸腐蚀形成。防滑层上设置有硬化涂层，从而提高上层玻璃32的耐磨硬度。
以上依据图式所示的实施例详细说明了本发明的构造、特征及作用效果，以上所述仅为本发明的较佳实施例，但本发明不以图面所示限定实施范围，凡是依照本发明的构想所作的改变，或修改为等同变化的等效实施例，仍未超出说明书与图示所涵盖的精神时，均应在本发明的保护范围内。

Claims (12)

  1. 一种路面发电系统，其特征在于，包括：玻璃层、太阳能电池芯片、基板和发热支撑部件；所述太阳能电池芯片设置在所述玻璃层与所述基板之间；所述发热支撑部件立置在所述玻璃层和所述基板之间。
  2. 根据权利要求1所述的路面发电系统，其特征在于，所述发热支撑部件为条状。
  3. 根据权利要求1所述的路面发电系统，其特征在于，所述发热支撑部件为块状、片状或者球状。
  4. 根据权利要求2所述的路面发电系统，其特征在于，所述发热支撑部件的下部直接接触所述基板，所述发热支撑部件的上部支撑在所述玻璃层上。
  5. 根据权利要求4所述的路面发电系统，其特征在于，所述玻璃层包括通过片状粘接层固定连接的上层玻璃和下层玻璃，所述发热支撑部件的上部支撑在所述下层玻璃的底面上。
  6. 根据权利要求5所述的路面发电系统，其特征在于，所述太阳能电池芯片铺设在所述基板上，且位于所述基板朝向所述下层玻璃的一侧；
    或，所述太阳能电池芯片铺设在所述下层玻璃朝向所述基板的一侧。
  7. 根据权利要求5所述的路面发电系统，其特征在于，还包括：透明导电发热膜，设置在所述上层玻璃和所述片状粘接层之间；或设置在所述下层玻璃和所述片状粘接层之间；或设置在所述下层玻璃朝向所述基板的一侧。
  8. 根据权利要求1、2、4-7任一项所述的路面发电系统，其特征在于，还包括：热电阻，嵌设在所述基板中，或设置在所述基板的下方。
  9. 根据权利要求1、2、4-7任一项所述的路面发电系统，其特征在于，所述基板与所述玻璃层之间设置有封闭的空腔，所述空腔内设置有惰性气体。
  10. 根据权利要求5所述的路面发电系统，其特征在于，所述基板与所述下层玻璃之间的边侧设置有密封胶，所述基板与所述上层玻璃之间的边侧设置有结构胶。
  11. 根据权利要求10所述的路面发电系统，其特征在于，所述下层玻璃与所述结构胶之间设置有发光带。
  12. 根据权利要求2所述的路面发电系统，其特征在于，还包括温度传感器、辐照传感器和控制单元，所述控制单元根据所述温度传感器感测的环境温度和/或所述辐照传感器感测的光照强度控制所述发热支撑部件发热。
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