CN114303743A - A kind of agricultural light complementary power generation system and method - Google Patents
A kind of agricultural light complementary power generation system and method Download PDFInfo
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- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 4
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical compound [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 claims description 4
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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Abstract
本发明公开了一种农光互补发电系统及方法，系统包括光伏发电板、光线导引组件和光伏支架；所述光伏支架设置于植物种植区，多块所述光伏发电板安装在所述光伏支架顶部，相邻的两个光伏发电板之间设置有间隔区域；所述光线导引组件第一端设置于所述间隔区域内用于接收太阳光，所述光线导引组件的第二端设置于光伏发电板之下的阳光遮挡区域，用于向植物传播光照。本发明实施例利用光线导引组件，实现了光伏板遮挡区域的光照，从而扩展了光伏板遮挡区域下面种植植物的种类，增加了植物种植产量和质量。
The invention discloses an agricultural-photovoltaic complementary power generation system and method. The system includes a photovoltaic power generation panel, a light guide component and a photovoltaic support; the photovoltaic support is arranged in a plant growing area, and a plurality of the photovoltaic power generation panels are installed on the photovoltaic On the top of the bracket, an interval area is arranged between two adjacent photovoltaic panels; the first end of the light guide assembly is arranged in the interval area for receiving sunlight, and the second end of the light guide assembly A sunshade area set under the photovoltaic panels to spread light to the plants. The embodiment of the present invention utilizes the light guide assembly to realize the illumination of the photovoltaic panel shaded area, thereby expanding the types of plants planted under the photovoltaic panel shaded area, and increasing the planting yield and quality.
Description
技术领域technical field
本发明涉及农光互补领域，特别涉及到一种农光互补发电系统及方法。The invention relates to the field of agricultural light complementation, in particular to an agricultural light complementary power generation system and method.
背景技术Background technique
农光互补，也被称为农光一体化，是指在同一土地上既进行光伏发电又进行农业生产，其强调的是一地两用。因此，与光伏在农业中的应用不同，农光互补更加注重光伏发电与农业生产的相互影响、竞合关系以及耦合共生。Agro-photovoltaic complementation, also known as agricultural-photovoltaic integration, refers to both photovoltaic power generation and agricultural production on the same land, emphasizing the dual use of one place. Therefore, different from the application of photovoltaics in agriculture, agricultural-photovoltaic complementation pays more attention to the mutual influence, co-opetition and coupling symbiosis between photovoltaic power generation and agricultural production.
现有的农光互补项目均是在大田种植、温室大棚或玻璃温室屋顶部分面积铺设光伏发电板，但光伏铺设的面积不能全部覆盖大田种植面积、温室大棚或玻璃温室屋顶，因为，还需要太阳光给植物提供光合作用的光源。The existing agricultural and solar complementary projects are all laying photovoltaic panels on the roof of field planting, greenhouse or glass greenhouse, but the photovoltaic laying area cannot fully cover the field planting area, greenhouse or glass greenhouse roof, because it still needs solar energy. Light provides plants with the light source for photosynthesis.
因此，如何提供一种农光互补发电系统，在现有农业用地地块上实现最大面积铺设光伏发电板，从而实现光伏发电与农业生产高度的融合，解决常规农光互补系统光伏发电与植物生长争夺太阳光源的矛盾，是本领域技术人员亟需解决的技术问题。Therefore, how to provide an agricultural-photovoltaic complementary power generation system to achieve the largest area of photovoltaic power generation panels on the existing agricultural land plots, so as to achieve a high degree of integration of photovoltaic power generation and agricultural production, and to solve the problem of photovoltaic power generation and plant growth in conventional agricultural-photovoltaic complementary systems. The conflict of competing for the solar light source is a technical problem that those skilled in the art need to solve urgently.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于提供一种农光互补发电系统及方法，以解决现有技术中常规农光互补系统光伏发电与植物生长争夺太阳光源的矛盾问题。The purpose of the present invention is to provide an agricultural-photovoltaic complementary power generation system and method, so as to solve the conflicting problem of the conventional agricultural-photovoltaic complementary system photovoltaic power generation and plant growth competing for the solar light source in the prior art.
为了实现上述目的，本发明采用如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
本发明的第一方面，提供了一种农光互补发电系统，包括光伏发电板、光线导引组件和光伏支架；A first aspect of the present invention provides an agricultural-photovoltaic complementary power generation system, including a photovoltaic power generation panel, a light guide assembly and a photovoltaic support;
所述光伏支架设置于植物种植区，多块所述光伏发电板安装在所述光伏支架顶部，相邻的两个光伏发电板之间设置有间隔区域；所述光线导引组件第一端设置于所述间隔区域内用于接收太阳光，所述光线导引组件的第二端设置于光伏发电板之下的阳光遮挡区域，用于向植物传播光照。The photovoltaic support is arranged in the planting area, a plurality of the photovoltaic power generation panels are installed on the top of the photovoltaic support, and an interval area is set between two adjacent photovoltaic power generation panels; the first end of the light guide assembly is provided with The spacer area is used for receiving sunlight, and the second end of the light guide component is arranged in the sunlight shielding area under the photovoltaic power generation panel, and is used for spreading light to the plants.
可选的，还包括控制器、照明设备、光照检测设备和光伏调峰蓄电池；Optionally, it also includes a controller, lighting equipment, light detection equipment and photovoltaic peak-shaving batteries;
所述照明设备及光照检测装置设置于所述光伏支架上，位于光伏发电板之下、植物之上的位置；The lighting equipment and the light detection device are arranged on the photovoltaic support, under the photovoltaic power generation panel and above the plants;
所述照明设备的电能输入端连接有光伏调峰蓄电池，所述光伏调峰蓄电池用于储蓄多余的光伏发电；所述照明设备的控制信号输入端连接控制器的信号输出端，所述控制器的信号输入端连接所述光照检测设备的信号输入端，当控制器检测到光伏发电板之下的部分光照强度低于设定值时，控制所述照明设备利用光伏调峰蓄电池内的电能进行照明补充不足的光照。The power input end of the lighting device is connected with a photovoltaic peak-shaving battery, and the photovoltaic peak-shaving battery is used to store excess photovoltaic power generation; the control signal input end of the lighting device is connected to the signal output end of the controller, and the controller The signal input end is connected to the signal input end of the light detection device. When the controller detects that the partial light intensity under the photovoltaic power generation panel is lower than the set value, it controls the lighting device to use the electric energy in the photovoltaic peak-shaving battery to Lighting to supplement insufficient light.
可选的，所述光照检测设备为光照传感器，所述照明设备为LED灯。Optionally, the illumination detection device is an illumination sensor, and the illumination device is an LED lamp.
可选的，所述光线导引组件包括光纤传输结构，所述光纤传输结构两端分别设置有光照收集孔以及光纤灯，所述光照收集孔设置于间隔区域内，所述光纤灯设置于光伏发电板之下的阳光遮挡区域。Optionally, the light guide assembly includes an optical fiber transmission structure, the two ends of the optical fiber transmission structure are respectively provided with light collection holes and fiber optic lamps, the light collection holes are arranged in the interval area, and the fiber optic lamps are arranged in the photovoltaics. Sunshade area under power generation panels.
可选的，所述光纤传输结构为光导引管道、透光折射组件、光线导引组件、折射反射镜中的任意一种或组合。Optionally, the optical fiber transmission structure is any one or a combination of a light guide pipe, a light transmission and refraction component, a light guide component, and a refraction mirror.
可选的，所述光伏发电板为单晶硅组件、多晶硅组件、叠片组件、钙钛矿光伏组件、碲化镉光伏组件、碲化镓光伏组件中的任意一种或组合。Optionally, the photovoltaic power generation panel is any one or a combination of monocrystalline silicon components, polycrystalline silicon components, laminated components, perovskite photovoltaic components, cadmium telluride photovoltaic components, and gallium telluride photovoltaic components.
可选的，多个所述光线导引组件分成两组，第一组导引至左侧光伏发电板下部的一半区域，另外一组导引至右侧光伏发电板下部的一半区域。Optionally, the plurality of the light guide assemblies are divided into two groups, the first group is guided to the lower half area of the left photovoltaic power generation panel, and the other group is guided to the lower half area of the right photovoltaic power generation panel.
可选的，所述光线导引组件的第二端距离植株冠部10厘米～50厘米。Optionally, the second end of the light guide assembly is 10 cm to 50 cm away from the crown of the plant.
可选的，所述光伏发电板自身组件电池中间也设置有额外的区域，用于铺设所述光线导引组件。Optionally, an additional area is also provided in the middle of the component cells of the photovoltaic power generation panel itself, for laying the light guide components.
作为一种示例，一种利用所述农光互补发电系统的发电方法，包括下列步骤：As an example, a power generation method using the agricultural-photovoltaic complementary power generation system includes the following steps:
根据区域的光照条件和农业用地条件，规划设计铺设光伏发电板的类型，包括光伏发电与大田种植、薄膜温室大棚、玻璃温室大棚或全遮光封闭植物工厂的结合；According to the light conditions and agricultural land conditions of the area, plan and design the type of photovoltaic power generation panels, including the combination of photovoltaic power generation and field planting, thin film greenhouses, glass greenhouses or fully shading closed plant factories;
如果是光伏发电结合大田种植，根据大田种植的植物种类，设计光伏板的铺设密度、板间间隔距离、光伏板下沿距离地面的高度、光线导引组件的数量、布置密度和种类，满足光伏板下遮挡区域内植物生长所需的光照条件；If photovoltaic power generation is combined with field planting, according to the types of plants planted in the field, design the laying density of photovoltaic panels, the spacing between panels, the height of the lower edge of the photovoltaic panels from the ground, the number, layout density and type of light guide components to meet the requirements of photovoltaic power generation. The light conditions required for plant growth in the shaded area under the board;
如果光伏发电结合薄膜温室大棚，根据温室内种植的植物种类，设计光伏板的铺设密度、板间间隔距离、光线导引组件的数量、布置密度和种类，满足光伏板下遮挡区域内植物生长所需的光照条件；If photovoltaic power generation is combined with thin-film greenhouses, according to the types of plants planted in the greenhouse, the laying density of photovoltaic panels, the distance between panels, the number, arrangement density and type of light guide components are designed to meet the requirements of plant growth in the shaded area under the photovoltaic panels. required light conditions;
如果光伏发电结合玻璃温室大棚，根据温室内种植的植物种类，设计光伏板的铺设密度、板间间隔距离、光线导引组件的数量、布置密度和种类，满足光伏板下遮挡区域内植物生长所需的光照条件；If photovoltaic power generation is combined with glass greenhouses, according to the types of plants planted in the greenhouse, the laying density of photovoltaic panels, the spacing distance between panels, the number, arrangement density and type of light guide components are designed to meet the requirements of plant growth in the shaded area under the photovoltaic panels. required light conditions;
如果光伏发电结合全遮光封闭植物工厂，根据植物工厂内种植的植物种类，设计光线导引组件的数量、布置密度和种类，满足全遮挡屋顶，利用所述光线导引组件满足植物生长所需的光照条件；如果植物工厂内光照仍然不足，利用全人工光照明灯具满足植物生长所需光照。If photovoltaic power generation is combined with a fully shading enclosed plant factory, according to the types of plants planted in the plant factory, the number, arrangement density and type of light guide components are designed to meet the full shading roof, and the light guide components are used to meet the requirements for plant growth. Lighting conditions; if the light in the plant factory is still insufficient, use all artificial light lighting fixtures to meet the light required for plant growth.
通过以上技术方案，本发明提出了一种农光互补发电系统及方法，具有如下技术效果：Through the above technical solutions, the present invention proposes an agricultural-photovoltaic complementary power generation system and method, which has the following technical effects:
1)本发明实施例利用光线导引组件，实现了光伏板遮挡区域的光照，从而扩展了光伏板遮挡区域下面种植植物的种类，增加了植物种植产量和质量。1) The embodiment of the present invention utilizes the light guide assembly to realize the illumination in the shielded area of the photovoltaic panel, thereby expanding the types of plants planted under the shielding area of the photovoltaic panel, and increasing the yield and quality of planting.
2)本发明实施例利用柔性光线导引组件，可以做到斜面布置的光伏发电板从高处到低处导引下来的太阳光线的均匀度，比其他透光折射组件好，提供的光照度也优于常规透光折射组件。2) The embodiment of the present invention utilizes flexible light guide components, which can achieve the uniformity of the sunlight guided by the inclined photovoltaic panels from high to low, which is better than other light-transmitting and refraction components, and the illuminance provided is also better. Better than conventional light-transmitting refraction components.
3)本发明实施例利用利用本发明的农光互补发电系统，可以实现在90％以上的农业用地面积上开展农光互补项目，能满足大部分种类的种植作物对光线的要求。3) In the embodiment of the present invention, by utilizing the agricultural light complementary power generation system of the present invention, the agricultural light complementary project can be carried out on more than 90% of the agricultural land area, which can meet the light requirements of most types of planting crops.
附图说明Description of drawings
构成本申请的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:
图1为本发明实施例的农光互补发电系统的侧视结构图。FIG. 1 is a side structural view of an agricultural-photovoltaic complementary power generation system according to an embodiment of the present invention.
图2为本发明实施例的农光互补发电系统的俯视结构图一。FIG. 2 is a top-view structural diagram 1 of an agricultural-photovoltaic complementary power generation system according to an embodiment of the present invention.
图3为本发明实施例的农光互补发电系统的俯视结构图二。FIG. 3 is a top-view structural diagram 2 of an agricultural-photovoltaic complementary power generation system according to an embodiment of the present invention.
图4为本发明实施例的农光互补发电系统的立体结构图。FIG. 4 is a three-dimensional structural diagram of an agricultural-photovoltaic complementary power generation system according to an embodiment of the present invention.
其中，1光伏发电板；2光线导引组件；21光照收集孔；22光纤灯；3光伏板支架；4间隔区域；5光线；6植物；7土壤或基质。Among them, 1 photovoltaic power generation panel; 2 light guide components; 21 light collection holes; 22 fiber optic lights; 3 photovoltaic panel brackets; 4 interval areas; 5 light; 6 plants;
具体实施方式Detailed ways
下面将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.
以下详细说明均是示例性的说明，旨在对本发明提供进一步的详细说明。除非另有指明，本发明所采用的所有技术术语与本申请所属领域的一般技术人员的通常理解的含义相同。本发明所使用的术语仅是为了描述具体实施方式，而并非意图限制根据本发明的示例性实施方式。The following detailed descriptions are all exemplary descriptions and are intended to provide further detailed descriptions of the present invention. Unless otherwise specified, all technical terms used in the present invention have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention.
实施例1Example 1
如图1～4所示，本发明实施例提供了一种农光互补发电系统，包括光伏发电板1、光线导引组件2和光伏支架3；光伏支架3设置于植物种植区，植物种植区包括土壤或基质7，以及种植在土壤或基质7上的植物6,；多块光伏发电板1安装在光伏支架3顶部，相邻的两个光伏发电板1之间设置有间隔区域4；光线导引组件2第一端设置于间隔区域4内用于接收太阳光，光线导引组件2的第二端设置于光伏发电板1之下的阳光遮挡区域，用于将太阳光线导入光伏发电板1下面的遮挡区域，向植物传播光照，提供植物光合作用及生长所需要的光线。As shown in FIGS. 1 to 4 , the embodiment of the present invention provides an agricultural-photovoltaic complementary power generation system, including a photovoltaic
应用于本实施例，光线导引组件2包括光纤传输结构，光纤传输结构两端分别设置有光照收集孔21以及光纤灯22，光照收集孔21设置于间隔区域4内，光纤灯22设置于光伏发电板1之下的阳光遮挡区域，向植物传播光照。Applied to this embodiment, the
应用于本实施例，光导引管道或光线导引组件为柔性组件，利用自身弯曲特性，将光纤均匀导引至植物生长上部空间。Applied to this embodiment, the light guide pipe or the light guide component is a flexible component, which utilizes its own bending characteristics to guide the optical fiber uniformly to the upper space of the plant growth.
作为示例，光纤传输结构为光导引管道、透光折射组件、光线导引组件、折射反射镜中的任意一种或组合。As an example, the optical fiber transmission structure is any one or a combination of a light-guiding pipe, a light-transmitting and refracting component, a light-guiding component, and a refracting mirror.
作为示例，光伏发电板1为单晶硅组件、多晶硅组件、叠片组件、钙钛矿光伏组件、碲化镉光伏组件、碲化镓光伏组件中的任意一种或组合。As an example, the photovoltaic
应用于本实施例，多个光线导引组件2分成两组，第一组导引至左侧光伏发电板下部的一半区域，满足光伏发电板一半遮挡区域的光线需求；另外一组导引至右侧光伏发电板下部的一半区域，满足光伏发电板一半遮挡区域的光线需求。Applied to this embodiment, the plurality of
应用于本实施例，光线导引组件根据光伏板下种植植物的植株高度不同及不同生长时期其植株高度的不同，利用光线导引组件柔性特性，改变光纤灯22的高度，保持光线导引组件2的第二端距离植株冠部10厘米～50厘米，使得植物获得最佳的光照条件。Applied to this embodiment, the light guide assembly changes the height of the
实施例2Example 2
作为优选实施例，在实施例1的基础上，还包括控制器、照明设备、光照检测设备和光伏调峰蓄电池；As a preferred embodiment, on the basis of
照明设备及光照检测装置设置于光伏支架3上，位于光伏发电板1之下、植物之上的位置；照明设备的电能输入端连接有光伏调峰蓄电池，光伏调峰蓄电池用于储蓄多余的光伏发电；照明设备的控制信号输入端连接控制器的信号输出端，控制器的信号输入端连接光照检测设备的信号输入端，当控制器检测到光伏发电板1之下的部分光照强度低于设定值时，控制照明设备利用光伏调峰蓄电池内的电能进行照明补充不足的光照。The lighting equipment and the light detection device are arranged on the
作为示例，光照检测设备为光照传感器，照明设备为LED灯。As an example, the light detection device is a light sensor, and the lighting device is an LED lamp.
实施例3Example 3
作为优选实施例，在实施例1的基础上，光伏发电板1自身组件电池中间也设置有额外的区域，用于铺设光线导引组件2，满足光伏板遮挡区域下面植物光照的需求。As a preferred embodiment, on the basis of
实施例4Example 4
一种利用农光互补发电系统的发电方法，包括下列步骤：A power generation method using an agricultural light complementary power generation system, comprising the following steps:
S1：根据区域的光照条件和农业用地条件，规划设计光伏发电与大田种植、薄膜温室大棚、玻璃温室大棚或全遮光封闭植物工厂的结合，实现更大面积光伏发电板的铺设。S1: Plan and design the combination of photovoltaic power generation and field planting, thin film greenhouses, glass greenhouses or fully shading closed plant factories according to the light conditions and agricultural land conditions of the region to achieve the laying of larger areas of photovoltaic power generation panels.
S2：如果是光伏发电结合大田种植，根据大田种植的植物种类，设计光伏板的铺设密度、板间间隔距离、光伏板下沿距离地面的高度、光线导引组件2的数量、布置密度和种类，满足光伏板下遮挡区域内植物生长所需的光照条件。S2: If photovoltaic power generation is combined with field planting, according to the types of plants planted in the field, design the laying density of photovoltaic panels, the spacing between panels, the height of the lower edge of the photovoltaic panels from the ground, the number, layout density and type of
S3：如果光伏发电结合薄膜温室大棚，根据温室内种植的植物种类，设计光伏板的铺设密度、板间间隔距离、光线导引组件2的数量、布置密度和种类，满足光伏板下遮挡区域内植物生长所需的光照条件。S3: If photovoltaic power generation is combined with thin-film greenhouses, according to the types of plants planted in the greenhouse, design the laying density of photovoltaic panels, the spacing distance between panels, the number, layout density and type of
S4：如果光伏发电结合玻璃温室大棚，根据温室内种植的植物种类，设计光伏板的铺设密度、板间间隔距离、光线导引组件2的数量、布置密度和种类，满足光伏板下遮挡区域内植物生长所需的光照条件。S4: If photovoltaic power generation is combined with a glass greenhouse, according to the types of plants planted in the greenhouse, design the laying density of photovoltaic panels, the spacing between panels, the number, layout density and type of
S4：如果光伏发电结合全遮光封闭植物工厂，根据植物工厂内种植的植物种类，设计光线导引组件2的数量、布置密度和种类，满足全遮挡屋顶，利用光线导引组件2满足植物生长所需的光照条件；如果植物工厂内光照仍然不足，利用全人工光照明灯具满足植物生长所需光照。S4: If photovoltaic power generation is combined with a fully shading enclosed plant factory, according to the types of plants planted in the plant factory, design the number, arrangement density and type of
S5：光线导引组件2为光导引管道、透光折射组件、光线导引组件、折射反射镜中的任意一种或组合。S5: The
S6：光伏发电板1为单晶硅组件、多晶硅组件、叠片组件、钙钛矿光伏组件、碲化镉光伏组件、碲化镓光伏组件中的任意一种或组合。S6: The photovoltaic
S7：光导引管道或光线导引组件为柔性组件，利用自身弯曲特性，将光线均匀导引至植物生长上部空间。S7: The light guide pipe or the light guide component is a flexible component, which uses its own bending characteristics to guide the light evenly to the upper space of the plant growth.
由技术常识可知，本发明可以通过其它的不脱离其精神实质或必要特征的实施方案来实现。因此，上述公开的实施方案，就各方面而言，都只是举例说明，并不是仅有的。所有在本发明范围内或在等同于本发明的范围内的改变均被本发明包含。It is known from the technical common sense that the present invention can be realized by other embodiments without departing from its spirit or essential characteristics. Accordingly, the above-disclosed embodiments are, in all respects, illustrative and not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are encompassed by the present invention.
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