Absstract of: CN118052069A
本发明公开了一种定日镜尺寸设计和场地布局优化方法,包括以下步骤;步骤1:计算吸收塔在不同的位置下光学效率;步骤2:根据光学效率以及经纬度的变化情况,确定吸收塔的位置坐标以及定日镜场的拟合形状;步骤3:利用粒子群算法得到定日镜尺寸的范围;步骤4:将步骤3中得到的尺寸范围进行拆分;步骤5:缩小遍历的步长,从而得到定日镜尺寸的最优解;步骤6:由效率选择条件,确定定日镜分布的大致区间范围,以内部高效率区的定日镜径向遮挡问题减为最小为目标;确定定日镜分布的环数;步骤7:去掉放置不合理的定日镜,重新布置定日镜场。本发明具有稳定、高效、随机的特点,并且满足了输出热功率的要求。
Absstract of: CN118049763A
本发明涉及一种太阳能储热供热系统,属于供热技术领域,包括:太阳能储热单元,包括太阳能聚热塔和定日镜,定日镜设置用于将太阳光反射至太阳能聚热塔并加热太阳能聚热塔内部的储热材料;供热单元,包括储热箱,内装满储热材料,储热箱上设有蒸汽发生装置或/和热水发生装置,储热箱内还设有蛇形管,蛇形管两端延伸至储热箱外;热传导单元,包括热传导管和高压泵,热传导管经过太阳能聚热塔,两端与蛇形管连接,高压泵设在热传导管的输入端,热传导管内设有导热液。本发明以太阳能为能源,降低运行成本,利用太阳能聚热塔和储热箱存储热量,解决太阳能输入稳定性差的问题,可持续输出热能。
Absstract of: CN118049762A
本发明属于太阳热能收集的技术领域,涉及一种具备防冻机制的太阳能集热器,包括有支架、水箱和集热管,所述支架顶部连接有水箱,所述水箱下部均匀间隔连通有多根集热管,还包括有外保温筒、内保温筒、驱动旋转机构和喷洒机构,所述水箱与所述支架之间均匀间隔连接有数量与集热管数量一致的外保温筒,外保温筒套在集热管下部,所述外保温筒内转动连接有内保温筒,所述内保温筒旋转能够罩住集热管上部,所述支架上设有用于驱动内保温筒旋转的驱动旋转机构和用于将盐水喷洒在集热管处的喷洒机构。本发明在使用的过程中,如遇上低温天气,能够将内保温筒展开配合外保温筒罩住集热管,从而对集热管进行保护,避免集热管内的水冻结对集热管造成损害。
Absstract of: US2024159432A1
A system for providing a contour map of the surface of a heliostat from reflected sunlight using a fly's eye camera. The system includes an entrance screen configured to receive sunlight reflected by said heliostat; an array of imaging apertures extending across the entrance screen, each aperture forming an image of said heliostat from a different viewpoint to provide a plurality of heliostat images; one or more digital cameras configured to view all of said plurality of heliostat images; an image processor configured to map out from the plurality of heliostat images a location of sunlight delivered to the entrance screen to obtain a plurality of maps, and to provide, based on centroids of said maps a tip and tilt of each said subsection The reflecting surface profile of the heliostat is obtained by integration of the subsection tilts across all the subsections.
Absstract of: WO2024100686A1
A photovoltaic system (100) comprising a body (100), a plurality of solar cell strips (104), a refractor dome (106), a biconcave lens (108), a conical mirror (110) and a base cap (112). The body (102) is having a first end, a second end, an internal surface and an external surface, wherein the first end is open to allow light to pass through. The plurality of solar cell strips (104) is provided on the internal surface of the body (102) forming a polygonal pattern. The refractor dome (106) is provided at the first end of the body (102), wherein the refractor dome (106) refracts incoming light into the opening provided at the first end of the body (102). The biconcave lens (108) is provided at the first end of the body (102) to refract light coming from the convex refractor (106) towards the solar cell strips (104). The conical mirror (110) is provided at the second of the body (102) to reflect the incoming light towards the solar cell strips (104). The base cap (112) is provided at the second end of the body (102) to provide a flat bottom.
Absstract of: AU2022389891A1
A solar energy particle receiver system and method of use for precise and controlled heating, sintering, and/or phase change of particles. In one embodiment, the solar energy particle receiver system directs sunlight from a primary concentrator into supplemental concentrating reflective optic where the emitted sunlight is used to heat and sinter, melt, or induce a phase change of the particles such as regolith at a controlled temperature, the supplemental concentrating reflective optics cooled to prevent overheating and a sweeping gas directed at the reflective surface to prevent optical fouling. In one aspect, the supplemental concentrating reflective optic is a compound reflective concentrator. In one application, the particles are a regolith, such as a lunar regolith.
Absstract of: CN118031435A
本发明公开了一种角度可调节的太阳能集热装置,包括底座、集热槽、集热管、角度调节组件以及转动组件;通过弧面反光镜反射太阳光至集热管外壁表面,通过集热管吸收太阳能热量,进而加热集热管内部的流体介质;角度调节组件包括第一电机、第一主动齿轮和第一从动齿轮,通过第一电机控制第一主动齿轮带动下端的第一从动齿轮转动,第一电机根据太阳的照射角度实现对集热槽朝向角度进行调节;转动组件包括第二电机、第二主动齿轮和第二从动齿轮,通过第二电机控制第二主动齿轮带动下端的第二从动齿轮,第二从动齿轮带动集热管转动,进而转动调节集热管吸收太阳能外壁面,使集热管受热均匀,不仅提高了装置的利用效率,还延长了集热管的使用寿命。
Absstract of: CN118041223A
本申请提供了一种广角高倍聚光系统,包括光锥和目标受光区;n支光锥被排列组合成一个分束收缩器模块,用于将大面积的入射阳光分束收缩成n条细支光束;所述细支光束射向变平镜,经变平镜转变成准平行光束后射向固定位置较小面积的目标受光区,从而形成广角高倍聚光。本申请获得了免跟踪聚光、广(接收)角聚光、低成本聚光、高倍率聚光、形状板块化等五项有益技术效果;本申请可满足聚光光伏的高倍聚光需要,可使太阳能电池组件的成本降低45%以上,并可使单位面积的光伏发电效率提高1‑2倍。本申请可应用于海水淡化等需要高倍聚光的技术领域,可减少海水淡化设备投资,可促进太阳能资源的开发利用。
Absstract of: CN118031433A
本发明公开了一种新型线性聚光反射镜支架,是属于光热发电技术领域,包括主支架、副支架、反射镜支架和驱动系统,主支架上设置有副支架,副支架上设置有反射镜支架,主支架、副支架和反射镜支架均连接有驱动系统,其有益效果在于:本反射镜结构能够得到更多的太阳辐射能量及每天更长的有效工作时间(即可以在早晨更早的时间及傍晚更晚的时间获得更多的太阳辐射能);反射镜支架为了调节焦距,同一副支架上的多面反射镜向支架中线方向旋转,这个旋转角度范围很小,精密机械结构在小量调节中的精度比电子调节要精确,同时膛刀膛线相互咬合的结构也使反射镜支架与副支架之间形成刚性连接提高支架的抗风荷能力和调节精度。
Absstract of: CN118041129A
本发明公开了一种在任意非均匀光照条件下高效稳定运行的聚光太阳能热电发电系统。非均匀集热器由高导热性能材料制成,上表面使用太阳能吸热涂层,使其具有高太阳能吸收效率和热导率。当太阳能经菲涅尔透镜汇聚在非均匀集热器上表面时,被太阳能吸热涂层吸收并传导至热电器件表面。因使用具有高导热性能的材料,集热器的毕渥数Bi趋近于零,集热器底部温度均匀,使热电器件接收热流为均匀热流,进而消除非均匀光照带来的不利影响。本发明可根据光照强度选择集热器尺寸,且能无差别接收不同辐照均匀度的光照,使系统获得最佳输出性能;解决了热电器件热侧的局部温度过高带来的寿命减少或失效问题,提高了太阳能热电发电系统运行的安全系数。
Absstract of: CN118031431A
本发明提供了一种基于可逆固体氧化物电池和定日太阳能场的制氢发电及供热系统,冷熔融盐被泵送至太阳集热系统产生热熔盐,热熔盐被储存在热熔盐储存罐中,热熔盐储存罐的热熔盐被泵送至一号换热器与水进行换热,产生的高温水蒸气进入SOEC发生电化学反应,SOEC产生高温氢气和高温氧气,高温氢气与高温氧气进入到二号换热器进行换热,换热后的氧气进入O2储罐,换热后的氢气进入压缩机,然后进入H2储罐,氧气和氢气供SOFC在高峰时期发电使用;制氢发电的同时为区域供暖。本发明结合了定日太阳能场、固体氧化物燃料电池、固体氧化物电解槽及卡琳娜循环和有机朗肯循环,提出了一种充分利用可再生资源太阳能和水制取绿氢,同时存储氢气和利用绿氢发电和供热的系统。
Absstract of: AU2021445017A1
A solar energy utilization device and a combined structure thereof. The solar energy utilization device is provided with a light-transmitting top cover, a light-reflecting trough, and a light energy utilization device. The light-transmitting top cover is provided with a first light-transmitting portion recessed inward and a second light-transmitting portion protruding upward from a recess of the first light-transmitting portion, and on the basis of the structure, sunlight reflected and refracted to the outer side of the light-transmitting top cover can be re-refracted from other areas to the inner side of the light-transmitting top cover, thereby improving the quantity of light refracted into the light-transmitting top cover. Moreover, at least one liquid light-condensing cavity is formed in the light-reflecting trough and the light-transmitting top cover, and a transparent liquid is filled in the liquid light-condensing cavity; the liquid light-condensing cavity can enable at least a part of sunlight emitted from the transparent liquid to the inner wall of the liquid light-condensing cavity to form a total reflection phenomenon, so that more sunlight can be converged on the light energy utilization device, and a situation where the sunlight is refracted out of the device from the liquid light-condensing cavity and the light-transmitting top cover is reduced, and the light condensing efficiency is improved.
Absstract of: CN118009550A
本发明涉及一种碟式聚光集热组件,属于碟式聚光集热设备技术领域。该碟式聚光集热组件,包括:支架,支架的顶部设置有碟式反射片,所述碟式反射片的凹陷面中心固定连接有安装环,所述支架的一侧设置有余热利用设备;通过换热壳能够在碟式反射片反射阳光的过程中,将碟式反射片吸收的热量传导收集在换热壳的内部,实现二次集热的效果,并配合余热利用设备将换热介质通过换热壳内部的环形流道和连接通道吸收换热壳收集的热量,并将热量带回余热利用设备内利用,有效利用了余热,提高了资源使用率,同时能够在收集热量的过程中减少热量传递至支架上,避免支架长时间受热造成的金属热膨胀变形影响使用的情况。
Absstract of: CN118009545A
本发明公开了一种太阳能集热管阵列的真空外管去污和过热保护系统,包括沿斜向等距阵列分布的若干真空透光外管,各真空透光外管内均同轴心设置有能吸收阳光辐射的集热内管;各真空透光外管的两端均固定连接在支架上;能实现热保护和真空外管的表面清洁。
Absstract of: CN118009547A
太阳能烧水器,其特征在于由底架、底架四轮、防雹横梁、反光防晒帘横梁、反光防晒帘、保温箱、太阳能集热管、太阳能集热管尾座、出水口、进水口、排气孔、温度显示蜂鸣器组成。这样的太阳能烧水器由于保温箱里的水量最少可以是太阳能集热管里的水量的十五分之一,能够快速烧开人们日常用开水的量,且出水口安在保温箱正面最底处。能够流尽保温箱和太阳能集热管里的全部水,每天都能烧新鲜水饮用。创新,零能耗,环保实用,利国利民。
Absstract of: CN118009544A
本发明公开了一种太阳能集热与储能式辅助能源综合利用系统,包括太阳能集热器;太阳能集热器包括真空集热管阵列,真空太阳能集热管阵列由若干平行分布的真空集热管组成,任意相邻两真空集热管之间均存在通光空隙;太阳能集热阵列的下方平行设置有受光面朝上的太阳能储能发电板;能更高效利用太阳能的同时,还具备雨水收集的作用。
Absstract of: US2024150183A1
A silica aerogel having a mean pore size less than 5 nm with a standard deviation of 3 nm. The silica aerogel may have greater than 95% solar-weighted transmittance at a thickness of 8 mm for wavelengths in the range of 250 nm to 2500 nm, and a 400° C. black-body weighted specific extinction coefficient of greater than 8 m2/kg for wavelengths of 1.5 μm to 15 μm. Silica aerogel synthesis methods are described. A solar thermal aerogel receiver (STAR) may include an opaque frame defining an opening, an aerogel layer disposed in the opaque frame, with at least a portion of the aerogel layer being proximate the opening, and a heat transfer fluid pipe in thermal contact with and proximate the aerogel layer. A concentrating solar energy system may include a STAR and at least one reflector to direct sunlight to an opening in the STAR.
Absstract of: WO2023275400A1
In order to improve a solar thermal device (60) which comprises at least one solar thermal element (62) having an absorption element defining a longitudinal axis (64) and for absorbing solar radiation, such that it comprises a solar thermal module (14), an energy supply system (10) and a method for operating a solar thermal device (60), and such that, in particular, buildings (12) can be optimally supplied with solar thermal heat all year round. According to the invention, said solar thermal device comprises a shading device (112) for shading the absorption element (66). The invention also relates to an improved solar thermal module(14), an improved energy supply system (10) and an improved method for operating a solar thermal device (60).
Absstract of: CN117968260A
一种定日镜辅助校准装置、方法及光热发电系统。所述定日镜辅助校准装置包括:校准本体,以及检测组件;所述检测组件位于所述校准本体上;所述检测组件具有相对设置的第一感测面及第二感测面;所述第一感测面与所述第二感测面相平行;所述检测组件,用于检测太阳相对于所述第一感测面的第一位置,以及检测接收塔靶点相对于所述第二感测面的第二位置,以基于所述第一位置及第二位置调整所述校准本体和定日镜中至少一个,使得所述定日镜反射的太阳光线垂直于所述第一感测面,且所述接收塔靶点与所述第二感测面上指定点之间的连线垂直于所述第二感测面。采用上述方案,可以提高定日镜的调节精度。
Absstract of: CN117968261A
一种定日镜辅助校准装置、方法及光热发电系统。所述定日镜辅助校准装置,所述定日镜辅助校准装置包括:校准本体,以及检测组件;所述校准本体包括相对设置的第一光学表面及第二光学表面;所述检测组件具有第一感测面及第二感测面;所述第一感测面与所述第二感测面相平行;所述检测组件,用于检测接收塔靶点经所述第二光学表面在所述第二感测面上的第二光斑位置,以及检测太阳在定日镜中的像经所述第一光学表面在所述第一感测面上的第一光斑位置,以基于所述第二光斑位置调整定日镜的角度,使得第一光斑位置及第二光斑位置围绕所述检测组件的中心对称。采用上述方案,可以提高定日镜的调节精度。
Absstract of: CN117968135A
本发明公开了一种光电互补双储供热系统,包括底箱,底箱的顶部设有顶板,顶板的顶端固定连接有集热板,顶板底端的四角处均固定连接有平板,平板的底端固定连接有传热棒,顶板的一侧壁贯穿有热媒进管,热媒进管的一端部套设有蛇形管,蛇形管的末端套设有连接管,连接管的底端套设有加热筒,加热筒的底端固定安装有电加热器,加热筒的顶端贯穿有第一卡管。本发明通过设置有一系列的结构,同时减少电加热产生的热能损耗,从而减少热能的不必要的浪费,更加节能环保,减少经过太阳能加热的低温热媒与电能加热的热媒之间的混合,从而降低电加热的热媒回到低温的概率,利于供热系统内电加热后热媒的保温以及正常输送。
Absstract of: CN117968262A
一种定日镜辅助校准装置、方法及光热发电系统。所述定日镜辅助校准装置包括:校准本体,检测组件以及控制组件;检测组件位于所述校准本体上;检测组件具有相对设置的第一感测面及第二感测面;所述第一感测面与所述第二感测面之间具有第一夹角;检测组件,用于检测太阳的像在所述第一感测面上的第一光斑位置,以及检测接收塔靶点在所述第二感测面上的第二光斑位置;所述控制组件,用于计算第一连线与第一感测面之间的第二夹角,以及第二连线与第二感测面之间的第三夹角,并利用所述第一夹角对所述第三夹角进行补偿,以根据补偿结果调整定日镜的角度,使得补偿后的第三夹角等于所述第二夹角。采用上述方案,可以提高定日镜的调节精度。
Absstract of: AU2022370147A1
The invention relates to a photocatalytic unit (1) for the production of hydrogen from water, comprising: (i) a photoreactor (2) comprising a plurality of tubes (3), wherein said tubes (3) internally comprise a photocatalyst, and are adapted for internally conducting a stream of water vapor; and absorbing external solar radiation focused on said tubes (3); and (ii) a plurality of solar reflectors (4) adapted for concentrating incident solar radiation on the tubes (3) of the photoreactor (2). Advantageously, the tubes (3) of the photoreactor (2) are arranged in a plane (7) substantially perpendicular to the ground (5), and the solar reflectors (4) are arranged at both sides of said plane (7). The invention also relates to a solar plant for generating hydrogen comprising, at least, one photocatalytic unit (1) according to any of the embodiments herein described, and a water vapor stream source (21) connected to the photocatalytic unit (1).
Absstract of: WO2023036987A1
The present invention relates to a device (1) for monitoring the conditions of a thermal fluid, comprising: an inner tube (2) with a length L1 and an outer diameter D1, and an outer tube (3) with a length L2, wherein the outer tube (3) comprises a central portion with an inner diameter D2 and ends (3.1,3.2), the inner diameter Di of which gradually decreases towards the narrowest part thereof having a diameter De, wherein the inner diameter De is smaller than the inner diameter D2. The inner tube (2) is arranged coaxially inside the outer tube, the length L1 of the inner tube (2) is greater than the length L2 of the outer tube (3), and the inner diameter De substantially coincides with the outer diameter Di, such that a substantially airtight chamber (5) is formed between the outer tube (3) and the inner tube (2). The device (1) also comprises connection means (4) located on the outside of the outer tube (3), configured for establishing a fluidic communication with the substantially airtight chamber (5) and for coupling a vacuum pump. The inner tube (2) is permeable to gas and configured for transporting a thermal fluid, and the outer tube (3) is made of metal.
Nº publicación: CN117957763A 30/04/2024
Applicant:
C.K.\u970D\u534E\u5FB7\u9500\u552E\u4EE3\u7406\u6709\u9650\u516C\u53F8,
1930106\u5B89\u5927\u7565\u7701\u6709\u9650\u516C\u53F8
Absstract of: AU2022280540A1
A high concentration photovoltaic-thermal (HCPV-T) module for electrical energy generation and thermal energy collection features a basin having a plurality of support protrusions upstanding from the basin floor, a plurality of light-concentrating optical assemblies, and an optical support tray seated atop the protrusions and holding the optical assemblies. Concentrated photovoltaic (CPV) power modules are aligned beneath the optical assemblies to receive concentrated light therefrom. A heat exchange assembly routes a cooling fluid past each one of the CPV power modules. Each CPV power module has multiple CPV cells on a shared substrate, and a respective heat exchanger block has a flow channel that routes the cooling fluid serially past the multiple CPV cells. Each optical assembly features a quad concentrator having four compound paraboloid concentrators (CPCs) seamlessly integrated together via joining webs that collectively form a support flange for rested support of the quad concentrator atop a CPC holder.