WO2022094844A1 - Solar panel support device capable of adaptive angle adjustment based on spring - Google Patents
Solar panel support device capable of adaptive angle adjustment based on spring Download PDFInfo
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- WO2022094844A1 WO2022094844A1 PCT/CN2020/126708 CN2020126708W WO2022094844A1 WO 2022094844 A1 WO2022094844 A1 WO 2022094844A1 CN 2020126708 W CN2020126708 W CN 2020126708W WO 2022094844 A1 WO2022094844 A1 WO 2022094844A1
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- 239000007787 solid Substances 0.000 claims description 3
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- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
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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
- 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 invention belongs to the field of photovoltaic technology, in particular to a solar panel support device based on spring self-adaptive angle adjustment.
- Solar photovoltaic panels As a renewable clean energy, solar energy has been widely used, mainly reflected in the generation of electricity through solar photovoltaic panels.
- Solar photovoltaic panels generally need to be installed and fixed on photovoltaic brackets during use, and have a certain installation angle. Only the inclination angle is considered. When the annual total radiation on the inclined surface of the photovoltaic panel reaches the maximum, the inclination angle at this time is the maximum. good inclination. Different regions have different optimal installation angles for photovoltaic panels.
- brackets that can automatically adjust the angle of photovoltaic panels in the prior art, they have the following shortcomings when applied to consider the influence of wind loads:
- the existing technology mostly adjusts the angle of photovoltaic panels according to the light, but cannot be adjusted according to the size of the wind;
- the present invention proposes a solar panel support device with a simple structure and easy implementation based on the self-adaptive angle adjustment of the spring, which can ensure that the photovoltaic panel remains optimal when there is no wind load.
- the self-adaptive adjustment angle can reduce the wind load and achieve the purpose of improving the safety of photovoltaic panels and increasing production capacity.
- the front end of the photovoltaic component is supported by a support, and the photovoltaic component and the support are rotatably connected;
- the rear end of the photovoltaic assembly is supported by a connecting rod, the top end of the connecting rod and the photovoltaic assembly are slidably connected, the middle section of the connecting rod is fixed on the support, and the lower end of the connecting rod is connected with a damping device;
- the damping device is fixed on a fixed plate through a damping rotating support, and the fixed plate is fixed on the support;
- the connecting rod rotates with the fixed point of the middle section of the connecting rod on the support as the fulcrum through the sliding connection point with the top photovoltaic module and the damping device connected with the bottom end.
- the damping device includes a damping housing;
- the damping housing is in the shape of a hollow rod, the damping rod is axially arranged inside the damping housing, one end passes through the damping plug, and the other end passes through the damping front cover and is fixed on the damping rotating support.
- the damping front cover and the damping plug are slidably connected with the damping rod;
- a spring is wound outside the damping housing; one end of the spring is connected to the damping front cover, and the other end is fixed at the rear end of the damping housing.
- one end of the damping shell is open and connected with the lower end of the connecting rod.
- the size of the spring and the stiffness coefficient of the wind force are adapted to the rotation angle of the photovoltaic module; the initial state of the spring is in a stretched state, so that the connecting rod is kept vertical in a state of no wind or breeze.
- the support is a frame structure composed of a fulcrum, a front purlin and a beam; the fulcrums are respectively fixed on both sides of the front section of the beam, and the fulcrums are pivotally connected to the front purlin.
- a middle purlin is arranged on the support in parallel with the front purlin, and the connecting rod is fixed on the middle purlin through a connecting rod rotating support.
- a rear purlin is arranged on the support in parallel with the front purlin, and the fixing plate is fixed on the rear purlin.
- support rods are provided on both sides of the fixing plate, and the support rods and the rear purlin form a triangular structure to fix the fixing plate.
- the device further includes a limiter, and the limiter is used to limit the sliding of the connecting rod relative to the photovoltaic assembly within a set range;
- the limiting member is preferably a chute; the connecting end of the connecting rod and the photovoltaic assembly is provided with a roller, and the roller slides along the chute fixed on the photovoltaic assembly.
- the connecting rod is a solid structure; the connecting rod, the damping shell, the damping rod and the damping front cover are all made of nylon material.
- the spring stiffness coefficient is determined based on the following methods:
- G is the gravity of the photovoltaic module
- Fw is the wind load on the solar panel
- ⁇ h is the elongation of the spring
- AA′ and AA′′ represent the gravity G and the wind load Fw , respectively, on the connection fulcrum between the front end of the photovoltaic module and the support A takes the moment arm length
- BB′ is the moment arm length taken by the interaction force between the connecting rod and the photovoltaic module to the action point B on the top of the connecting rod
- OB′ and OO′ are the distance between the connecting rod and the photovoltaic module, respectively The length of the moment arm that the interaction force and the spring tension take the moment to the connecting rod fulcrum O.
- the length l and width of the solar panel are b, the distance between the fulcrum A at the front purlin and the bottom end is nl, the distance between the connecting rod action point B and the bottom end is ml, the initial angle of the solar panel ⁇ 0 , the connecting rod fulcrum O and the fulcrum At the same level, the ratio of the length below the connecting rod fulcrum O to the length above the fulcrum O is i, and the initial length of the spring is h.
- the interaction force between the connecting rod and the photovoltaic module can be obtained:
- the arm length of each force at different angles and the elongation of the spring can be obtained according to the structural geometric relationship, and then the stiffness coefficient of the required spring can be determined by formula (6) according to the force requirements of the photovoltaic modules at different angles .
- the beneficial effects of the invention are as follows: a solar panel support device based on spring self-adaptive angle adjustment is proposed.
- the device has simple structure, low cost, no external power, and high reliability.
- the angle can be adjusted according to the size of the wind.
- the optimal power generation angle can be maintained.
- FIG. 1 is a schematic structural diagram of an embodiment of a solar panel support device based on spring adaptive angle adjustment
- Fig. 2 is the calculation principle diagram of the design method of the present invention.
- Figure 3 is a schematic diagram of the overall structure installation
- Figure 4 is a schematic diagram of the overall structure installation 2;
- FIG. 5 is a schematic diagram of a damping device and a spring structure
- a solar panel support device based on spring self-adaptive angle adjustment, including photovoltaic module 1, fulcrum 2, front purlin 3, chute 4, roller 5, beam 6, connecting rod 7, middle Purlin 8, connecting rod rotating support 9, fixed plate 10, rear purlin 11, support rod 12, damping rotating support 13, damping front cover 14, spring 15, damping rod 16, damping plug 17, damping shell 18.
- the front end of the photovoltaic module 1 is supported by the support, the rear end is supported by the connecting rod 7, the middle section of the connecting rod 7 is fixed on the support, and the lower end of the connecting rod 7 is connected with a damping device.
- the existence of the damping device can eliminate the vibration effect of the dynamic wind load; the damping device
- the fixed plate 10 is fixed on the fixed plate 10 through the damping rotation support 13, and the fixed plate is fixed on the support.
- the support is a frame structure composed of a fulcrum 2, a front purlin 3 and a beam 6; the fulcrum 2 is respectively fixed on both sides of the front section of the beam 6, and the fulcrum 2 is pivotally connected with the front purlin 3, so that the photovoltaic module 1 can be rotated .
- a middle purlin 8 and a rear purlin 11 are arranged on the support in parallel with the front purlin, and the connecting rod 7 is fixed on the middle purlin through the connecting rod rotating support 9 .
- the fixing plate 10 is fixed on the rear purlin.
- support rods 12 are provided on both sides of the fixing plate 10 , and the support rods and the rear purlins 11 form a triangular structure to fix the fixing plate 10 .
- the damping device includes a damping housing; the damping housing 18 is in the shape of a hollow rod, the damping rod 16 is axially arranged inside the damping housing 18, one end passes through the damping plug 17, and the other end passes through the damping front cover 14 and is fixed on the damping rotating support 13, the damping front cover 14 and the damping plug 17 are slidably connected with the damping rod; the damping shell 18 is wrapped around the spring 15; One end of the damping shell 18 has a hole and is connected with the lower end of the connecting rod 7 .
- the device is also provided with a limiting member for limiting the sliding of the connecting rod relative to the photovoltaic assembly within a set range.
- the limiting member is a chute 4
- the connecting end of the connecting rod 7 and the photovoltaic module 1 is provided with a roller 5 , and the roller 5 slides along the chute 4 fixed on the photovoltaic module.
- the size and stiffness coefficient of the spring 15 are adapted to the wind force and the rotation angle of the photovoltaic module; the initial state of the spring 15 is in a certain stretched state, which ensures that the connecting rod 7 remains vertical in the state of no wind or breeze.
- the connecting rod 7 is a solid structure, and the damping shell 18 , the damping rod 16 and the damping front cover 14 are all made of nylon material.
- Example The length of the solar panel is 2.25m, the width is 1m, and the weight is 24kg.
- the distance between the fulcrum A at the front purlin and the bottom end is 0.3 times the length of the panel, which is 0.675m, and the distance between the connecting rod action point B and the bottom end is 0.8 times the length of the panel, which is 1.8m.
- the initial angle of the solar panel is 25°
- the connecting rod fulcrum O and the fulcrum A are at the same level
- the ratio of the length below the connecting rod fulcrum O to the length above the fulcrum O is 0.75
- the initial length of the spring is 0.26m
- the maximum wind speed is 50m/s.
- the interaction force between the connecting rod and the photovoltaic module can be obtained:
- G represents the gravity of the photovoltaic module
- ⁇ h represents the elongation of the spring
- AA′, AA′′, BB′, OB′, and OO′ are the lengths of the force arms when the above forces take moments at different points.
- the arm length of each force at different angles and the elongation of the spring can be obtained according to the structural geometric relationship, and then the stiffness coefficient of the required spring can be determined by formula (6) according to the force requirements of the photovoltaic modules at different angles .
- the minimum pulling force required by the spring is 132N and the maximum pulling force is 913N.
- the elongation length of the spring is 0.40m, and the change in tension is 781N, so the spring stiffness coefficient is 1952N/m.
- the initial extension of the spring is 1952N/m. The length is 6.8cm.
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- Photovoltaic Devices (AREA)
Abstract
A solar panel support device capable of adaptive angle adjustment based on a spring, comprising a photovoltaic assembly (1). The front end of the photovoltaic assembly is supported by means of a support, and the photovoltaic assembly is rotatably connected to the support; the rear end of the photovoltaic assembly is supported by means of a connection rod (7), the top end of the connection rod and the photovoltaic assembly are slidably connected to each other, the middle section of the connection rod is fixed on the support, and the lower end of the connection rod is connected to a damping device; the damping device is fixed on a fixing plate (10) by means of a damping rotating support (13), and the fixing plate is fixed on the support; by means of the sliding connection point between the top end of the connection rod and the photovoltaic assembly and the damping device connected to the bottom end of the connection rod, the connection rod rotates by taking the fixing point of the middle section of the connection rod on the support as a pivot point. The device has a simple structure and high reliability. Under the action of wind, the spring is stretched, and the photovoltaic assembly rotates, such that the windward area is decreased, the wind load is decreased, and the damping characteristics of the structure can eliminate vibration caused by the wind load; the spring is retracted when there is no wind, and the photovoltaic assembly can be kept at an optimum power generation angle under the support action of the connection rod.
Description
本发明属于光伏技术领域,尤其是一种基于弹簧自适应角度调节的太阳能板支撑装置。The invention belongs to the field of photovoltaic technology, in particular to a solar panel support device based on spring self-adaptive angle adjustment.
太阳能作为一种可再生的清洁能源已被广泛的运用,主要体现在通过太阳能光伏板发电。太阳能光伏板在使用过程中一般需要安装固定在光伏支架上,且具有一定的安装角度,仅考虑倾斜角度,当光伏板倾斜面上的年总辐射量达到最大时,此时的倾斜角为最佳倾角。不同地区随着维度的不同,光伏板的最优安装角度不同。As a renewable clean energy, solar energy has been widely used, mainly reflected in the generation of electricity through solar photovoltaic panels. Solar photovoltaic panels generally need to be installed and fixed on photovoltaic brackets during use, and have a certain installation angle. Only the inclination angle is considered. When the annual total radiation on the inclined surface of the photovoltaic panel reaches the maximum, the inclination angle at this time is the maximum. good inclination. Different regions have different optimal installation angles for photovoltaic panels.
现有的用于安装太阳能光伏板的支架多为固定的,即安装好之后,光伏板的角度不可再进行调整。故光伏板安装时在最优角度的基础上还需考虑风载等因素的影响,在可能出现大风如滩涂区等地方,光伏板安装角度往往远小于最优角度,造成光伏板发电量降低。Most of the existing brackets for installing solar photovoltaic panels are fixed, that is, after installation, the angle of the photovoltaic panels cannot be adjusted. Therefore, the wind load and other factors need to be considered when installing photovoltaic panels on the basis of the optimal angle. In places where strong winds may occur, such as tidal flat areas, the installation angle of photovoltaic panels is often much smaller than the optimal angle, resulting in a reduction in the power generation of photovoltaic panels.
事实上,一年中强风载对光伏板可能造成影响的时间往往很短,通过减小安装角度降低风载影响的方式不是最佳解决办法,应考虑采用可调节角度的光伏板安装支架。In fact, the time of year when the strong wind load may affect the photovoltaic panel is often very short. The way to reduce the wind load by reducing the installation angle is not the best solution. Consider using the angle-adjustable photovoltaic panel mounting bracket.
现有技术虽存在可自动调节光伏板角度的支架,但应用于考虑风载影响时存在以下不足之处:Although there are brackets that can automatically adjust the angle of photovoltaic panels in the prior art, they have the following shortcomings when applied to consider the influence of wind loads:
1、现有技术多根据光照调节光伏板角度,无法根据风力大小调节;1. The existing technology mostly adjusts the angle of photovoltaic panels according to the light, but cannot be adjusted according to the size of the wind;
2、现有技术调节光伏板角度时多通过设置的电机提供旋转动力,设备较为复杂,造价昂贵,且在滩涂区等较为复杂环境中可靠性不足。2. When adjusting the angle of the photovoltaic panels in the prior art, the rotating power is mostly provided by the motor provided, the equipment is relatively complex, the cost is expensive, and the reliability is insufficient in a relatively complex environment such as a tidal flat area.
发明内容SUMMARY OF THE INVENTION
本发明针对上述太阳能板支架无法适应风力自动调节角度的不足,提出一种结构简单、便于实施的基于弹簧自适应角度调节的太阳能板支撑装置,能够保证光伏板在无风载影响时保持最优角度,有风载影响时自适应的调节角度,降低风载影响,达到提高光伏板安全性、增加产能的目的。Aiming at the inability of the above-mentioned solar panel support to automatically adjust the angle of the wind, the present invention proposes a solar panel support device with a simple structure and easy implementation based on the self-adaptive angle adjustment of the spring, which can ensure that the photovoltaic panel remains optimal when there is no wind load. When there is wind load, the self-adaptive adjustment angle can reduce the wind load and achieve the purpose of improving the safety of photovoltaic panels and increasing production capacity.
为实现以上目的,本发明采用如下技术方案:To achieve the above purpose, the present invention adopts the following technical solutions:
一种基于弹簧自适应角度调节的太阳能板支撑装置,包括光伏组件;A solar panel support device based on spring self-adaptive angle adjustment, including photovoltaic components;
所述光伏组件前端通过支座支撑,光伏组件和支座可旋转连接;The front end of the photovoltaic component is supported by a support, and the photovoltaic component and the support are rotatably connected;
所述光伏组件后端通过连杆支撑,连杆顶端和光伏组件之间可滑动连接,连杆中段固定在支座上,连杆下端连接阻尼装置;The rear end of the photovoltaic assembly is supported by a connecting rod, the top end of the connecting rod and the photovoltaic assembly are slidably connected, the middle section of the connecting rod is fixed on the support, and the lower end of the connecting rod is connected with a damping device;
所述阻尼装置通过阻尼转动支座固定在固定板上,所述固定板固定在支座上;The damping device is fixed on a fixed plate through a damping rotating support, and the fixed plate is fixed on the support;
所述连杆通过和顶端光伏组件间的滑动连接点及底端连接的阻尼装置,以连杆中段在支座上的固定点为支点旋转。The connecting rod rotates with the fixed point of the middle section of the connecting rod on the support as the fulcrum through the sliding connection point with the top photovoltaic module and the damping device connected with the bottom end.
进一步的,所述阻尼装置包括阻尼外壳;所述阻尼外壳呈中空杆状,阻尼杆在阻尼外壳内部沿轴向设置,一端穿过阻尼塞,另一端穿过阻尼前盖固定在阻尼转动支座上,阻尼前盖及阻尼塞与阻尼杆滑动连接;Further, the damping device includes a damping housing; the damping housing is in the shape of a hollow rod, the damping rod is axially arranged inside the damping housing, one end passes through the damping plug, and the other end passes through the damping front cover and is fixed on the damping rotating support. , the damping front cover and the damping plug are slidably connected with the damping rod;
阻尼外壳外缠绕弹簧;所述弹簧一端连接阻尼前盖,另一端固定在阻尼外壳后端。A spring is wound outside the damping housing; one end of the spring is connected to the damping front cover, and the other end is fixed at the rear end of the damping housing.
进一步的,所述阻尼外壳一端开孔,与连杆下端连接。Further, one end of the damping shell is open and connected with the lower end of the connecting rod.
进一步的,所述弹簧尺寸及劲度系数风力大小及光伏组件转角相适应;弹簧初始状态处于拉伸状态,使连杆在无风或微风状态下保持竖直。Further, the size of the spring and the stiffness coefficient of the wind force are adapted to the rotation angle of the photovoltaic module; the initial state of the spring is in a stretched state, so that the connecting rod is kept vertical in a state of no wind or breeze.
进一步的,所述支座为由支点、前檩条和横梁组成的框架结构;所述支点分别固定于横梁前段两侧,支点间与前檩条枢轴连接。Further, the support is a frame structure composed of a fulcrum, a front purlin and a beam; the fulcrums are respectively fixed on both sides of the front section of the beam, and the fulcrums are pivotally connected to the front purlin.
进一步的,所述支座上与前檩条平行设有中檩条,所述连杆通过连杆转动支座固定在中檩条上。Further, a middle purlin is arranged on the support in parallel with the front purlin, and the connecting rod is fixed on the middle purlin through a connecting rod rotating support.
进一步的,所述支座上与前檩条平行设有后檩条,所述固定板固定在后檩条上。Further, a rear purlin is arranged on the support in parallel with the front purlin, and the fixing plate is fixed on the rear purlin.
进一步的,所述固定板两侧设有支撑杆,所述支撑杆与后檩条形成三角结构,将固定板固定。Further, support rods are provided on both sides of the fixing plate, and the support rods and the rear purlin form a triangular structure to fix the fixing plate.
进一步的,所述装置还包括限位件,所述限位件用于将连杆相对于光伏组件的滑动限制在设置的范围内;Further, the device further includes a limiter, and the limiter is used to limit the sliding of the connecting rod relative to the photovoltaic assembly within a set range;
所述限位件优选滑槽;所述连杆和光伏组件连接一端设有滚轮,所述滚轮沿固定在光伏组件上的滑槽滑动。The limiting member is preferably a chute; the connecting end of the connecting rod and the photovoltaic assembly is provided with a roller, and the roller slides along the chute fixed on the photovoltaic assembly.
进一步的,所述连杆为实心结构;所述连杆、阻尼外壳、阻尼杆及阻尼前盖均采用尼龙材料。Further, the connecting rod is a solid structure; the connecting rod, the damping shell, the damping rod and the damping front cover are all made of nylon material.
进一步的,所述弹簧劲度系数基于如下方式确定:Further, the spring stiffness coefficient is determined based on the following methods:
式中,G为光伏组件重力;F
w为太阳能板所受风载;Δh为弹簧的伸长量;AA′、AA″分别表示重力G、风载F
w对光伏组件前端与支座连接支点A取矩的力臂长度;、BB′为连杆与光伏组件之间的相互作用力对连杆顶部作用点B取矩的力臂长度;OB′、OO′分别为连杆与光伏组件之间的相互作用力、弹簧拉力对连杆支点O取矩的力臂长度。
In the formula, G is the gravity of the photovoltaic module; Fw is the wind load on the solar panel; Δh is the elongation of the spring; AA′ and AA″ represent the gravity G and the wind load Fw , respectively, on the connection fulcrum between the front end of the photovoltaic module and the support A takes the moment arm length; BB′ is the moment arm length taken by the interaction force between the connecting rod and the photovoltaic module to the action point B on the top of the connecting rod; OB′ and OO′ are the distance between the connecting rod and the photovoltaic module, respectively The length of the moment arm that the interaction force and the spring tension take the moment to the connecting rod fulcrum O.
其设计流程如下:Its design process is as follows:
初始状态下,太阳能板长度l、宽度为b,前檩条处支点A距离底端距离为nl,连杆作用点B距离底端距离为ml,太阳能板初始角度α
0,连杆支点O与支点A在同一水平高度,连杆支点O以下长度与支点O以上长度之比为i,弹簧初始长度为h。
In the initial state, the length l and width of the solar panel are b, the distance between the fulcrum A at the front purlin and the bottom end is nl, the distance between the connecting rod action point B and the bottom end is ml, the initial angle of the solar panel α 0 , the connecting rod fulcrum O and the fulcrum At the same level, the ratio of the length below the connecting rod fulcrum O to the length above the fulcrum O is i, and the initial length of the spring is h.
当太阳能板角度为α时:When the solar panel angle is α:
风速v,风压w
p=0.5ρ
空气v
2,太阳能板所受风载F
w=w
plb sinα (1)
Wind speed v, wind pressure w p =0.5ρ air v 2 , wind load on solar panel F w =w p lb sinα (1)
对太阳能板进行受力分析,A点取矩平衡时有:For the force analysis of the solar panel, the moment balance at point A is as follows:
F
w·AA″+G·AA′=F
B·BB′(2)
Fw ·AA″+G·AA′=F B ·BB′(2)
可求得连杆与光伏组件之间的相互作用力:The interaction force between the connecting rod and the photovoltaic module can be obtained:
对连杆进行受力分析,O点取矩平衡时有:For the force analysis of the connecting rod, the moment balance at point O is as follows:
F
B·OB=F
k·OO′(4)
F B · OB = F k · OO' (4)
不同角度下各力的力臂长度及弹簧的伸长量根据结构几何关系均可求得,进而由式(6)根据不同角度下光伏组件的受力要求即可确定所需弹簧的劲度系数。The arm length of each force at different angles and the elongation of the spring can be obtained according to the structural geometric relationship, and then the stiffness coefficient of the required spring can be determined by formula (6) according to the force requirements of the photovoltaic modules at different angles .
本发明的有益效果是:提出基于弹簧自适应角度调节的太阳能板支撑装置,该装置结构简单,造价低,无需外部动力,可靠性高,有风时可依据风力大小自身调节角度,无风时可保持最佳发电角度。The beneficial effects of the invention are as follows: a solar panel support device based on spring self-adaptive angle adjustment is proposed. The device has simple structure, low cost, no external power, and high reliability. When there is wind, the angle can be adjusted according to the size of the wind. The optimal power generation angle can be maintained.
构成本发明的一部分的附图用来提供对本发明的进一步理解,本发明的示意 性说明用于解释本发明,并不构成对本发明的不当限定。The accompanying drawings that constitute a part of the present invention are used to provide further understanding of the present invention, and the schematic description of the present invention is used to explain the present invention, and does not constitute an improper limitation of the present invention.
图1为实施例基于弹簧自适应角度调节的太阳能板支撑装置的结构示意图;1 is a schematic structural diagram of an embodiment of a solar panel support device based on spring adaptive angle adjustment;
图2为本发明设计方法计算原理图;Fig. 2 is the calculation principle diagram of the design method of the present invention;
图3为整体结构安装示意图一;Figure 3 is a schematic diagram of the overall structure installation;
图4为整体结构安装示意图二;Figure 4 is a schematic diagram of the overall structure installation 2;
图5为阻尼装置及弹簧结构示意图;FIG. 5 is a schematic diagram of a damping device and a spring structure;
图6为阻尼装置及弹簧结构剖面图;6 is a cross-sectional view of the damping device and the spring structure;
图中:1、光伏组件,2、支点,3、前檩条,4、滑槽,5、滚轮,6、横梁,7、连杆,8、中檩条,9、连杆转动支座,10、固定板,11、后檩条,12、支撑杆,13、阻尼转动支座,14、阻尼前盖,15、弹簧,16、阻尼杆,17、阻尼塞,18、阻尼外壳。In the picture: 1. Photovoltaic module, 2. Pivot, 3. Front purlin, 4. Chute, 5. Roller, 6. Beam, 7. Connecting rod, 8. Middle purlin, 9. Connecting rod rotating support, 10. Fixed plate, 11, Rear purlin, 12, Support rod, 13, Damping rotating support, 14, Damping front cover, 15, Spring, 16, Damping rod, 17, Damping plug, 18, Damping housing.
下面结合附图和实施例对本发明作进一步说明,但本发明的保护范围不限于下述的实施例。The present invention will be further described below with reference to the accompanying drawings and embodiments, but the protection scope of the present invention is not limited to the following embodiments.
如图1至图6所示,一种基于弹簧自适应调节角度的太阳能板支撑装置,包括光伏组件1、支点2、前檩条3、滑槽4、滚轮5、横梁6、连杆7、中檩条8、连杆转动支座9、固定板10、后檩条11、支撑杆12、阻尼转动支座13、阻尼前盖14、弹簧15、阻尼杆16、阻尼塞17、阻尼外壳18。As shown in Fig. 1 to Fig. 6, a solar panel support device based on spring self-adaptive angle adjustment, including photovoltaic module 1, fulcrum 2, front purlin 3, chute 4, roller 5, beam 6, connecting rod 7, middle Purlin 8, connecting rod rotating support 9, fixed plate 10, rear purlin 11, support rod 12, damping rotating support 13, damping front cover 14, spring 15, damping rod 16, damping plug 17, damping shell 18.
光伏组件1前端通过支座支撑,后端通过连杆7支撑,连杆7中段固定在支座上,连杆7下端连接阻尼装置,阻尼装置的存在可以消除动风载的振动影响;阻尼装置通过阻尼转动支座13固定在固定板10上,固定板固定在支座上。The front end of the photovoltaic module 1 is supported by the support, the rear end is supported by the connecting rod 7, the middle section of the connecting rod 7 is fixed on the support, and the lower end of the connecting rod 7 is connected with a damping device. The existence of the damping device can eliminate the vibration effect of the dynamic wind load; the damping device The fixed plate 10 is fixed on the fixed plate 10 through the damping rotation support 13, and the fixed plate is fixed on the support.
所述支座为由支点2、前檩条3和横梁6组成的框架结构;所述支点2分别固定于横梁6前段两侧,支点2间与前檩条3枢轴连接,使光伏组件1可转动。支座上与前檩条平行设有中檩条8、后檩条11,连杆7通过连杆转动支座9固定在中檩条上。固定板10固定在后檩条上。作为一种优选方式,固定板10两侧设有支撑杆12,所述支撑杆与后檩条11形成三角结构,将固定板10固定。The support is a frame structure composed of a fulcrum 2, a front purlin 3 and a beam 6; the fulcrum 2 is respectively fixed on both sides of the front section of the beam 6, and the fulcrum 2 is pivotally connected with the front purlin 3, so that the photovoltaic module 1 can be rotated . A middle purlin 8 and a rear purlin 11 are arranged on the support in parallel with the front purlin, and the connecting rod 7 is fixed on the middle purlin through the connecting rod rotating support 9 . The fixing plate 10 is fixed on the rear purlin. As a preferred manner, support rods 12 are provided on both sides of the fixing plate 10 , and the support rods and the rear purlins 11 form a triangular structure to fix the fixing plate 10 .
所述阻尼装置包括阻尼外壳;阻尼外壳18呈中空杆状,阻尼杆16在阻尼外壳18内部沿轴向设置,一端穿过阻尼塞17,另一端穿过阻尼前盖14固定在阻尼转动支座13上,阻尼前盖14及阻尼塞17与阻尼杆滑动连接;阻尼外壳18外缠绕弹簧15;弹簧15一端连接阻尼前盖14,另一端固定在阻尼外壳18后端。阻尼 外壳18一端开孔,与连杆7下端连接。The damping device includes a damping housing; the damping housing 18 is in the shape of a hollow rod, the damping rod 16 is axially arranged inside the damping housing 18, one end passes through the damping plug 17, and the other end passes through the damping front cover 14 and is fixed on the damping rotating support 13, the damping front cover 14 and the damping plug 17 are slidably connected with the damping rod; the damping shell 18 is wrapped around the spring 15; One end of the damping shell 18 has a hole and is connected with the lower end of the connecting rod 7 .
所述装置上还设有限位件,用于将连杆相对于光伏组件的滑动限制在设置的范围内。本实施例中,所述限位件为滑槽4,所述连杆7和光伏组件1连接一端设有滚轮5,滚轮5沿固定在光伏组件上的滑槽4滑动。The device is also provided with a limiting member for limiting the sliding of the connecting rod relative to the photovoltaic assembly within a set range. In this embodiment, the limiting member is a chute 4 , and the connecting end of the connecting rod 7 and the photovoltaic module 1 is provided with a roller 5 , and the roller 5 slides along the chute 4 fixed on the photovoltaic module.
所述弹簧15尺寸及劲度系数风力大小及光伏组件转角相适应;弹簧15初始状态处于一定的拉伸状态,保证连杆7在无风或微风状态下保持竖直状态。The size and stiffness coefficient of the spring 15 are adapted to the wind force and the rotation angle of the photovoltaic module; the initial state of the spring 15 is in a certain stretched state, which ensures that the connecting rod 7 remains vertical in the state of no wind or breeze.
本实施例中,所述连杆7为实心结构,与所述阻尼外壳18、阻尼杆16及阻尼前盖14均采用尼龙材料。In this embodiment, the connecting rod 7 is a solid structure, and the damping shell 18 , the damping rod 16 and the damping front cover 14 are all made of nylon material.
实施例太阳能板长度2.25m,宽度为1m,重量24kg,前檩条处支点A距离底端距离为0.3倍板长即0.675m,连杆作用点B距离底端距离为0.8倍板长即1.8m,太阳能板初始角度25°,连杆支点O与支点A在同一水平高度,连杆支点O以下长度与支点O以上长度之比为0.75,弹簧初始长度为0.26m,考虑最大风速50m/s。Example The length of the solar panel is 2.25m, the width is 1m, and the weight is 24kg. The distance between the fulcrum A at the front purlin and the bottom end is 0.3 times the length of the panel, which is 0.675m, and the distance between the connecting rod action point B and the bottom end is 0.8 times the length of the panel, which is 1.8m. , the initial angle of the solar panel is 25°, the connecting rod fulcrum O and the fulcrum A are at the same level, the ratio of the length below the connecting rod fulcrum O to the length above the fulcrum O is 0.75, the initial length of the spring is 0.26m, and the maximum wind speed is 50m/s.
当太阳能板角度为α时:When the solar panel angle is α:
风速v,风压w
p=0.5ρ
空气v
2,太阳能板所受风载F
w=w
plb sinα (1)
Wind speed v, wind pressure w p =0.5ρ air v 2 , wind load on solar panel F w =w p lb sinα (1)
对太阳能板进行受力分析,A点取矩平衡时有:For the force analysis of the solar panel, the moment balance at point A is as follows:
F
w·AA″+G·AA′=F
B·BB′(2)
Fw ·AA″+G·AA′=F B ·BB′(2)
可求得连杆与光伏组件之间的相互作用力:The interaction force between the connecting rod and the photovoltaic module can be obtained:
对连杆进行受力分析,O点取矩平衡时有:For the force analysis of the connecting rod, the moment balance at point O is as follows:
F
B·OB=F
k·OO′ (4)
F B · OB = F k · OO′ (4)
式中,G表示光伏组件重力,Δh表示弹簧的伸长量,AA′、AA″、BB′、OB′、OO′分别是上述各力对不同点取矩时力臂长度。In the formula, G represents the gravity of the photovoltaic module, Δh represents the elongation of the spring, and AA′, AA″, BB′, OB′, and OO′ are the lengths of the force arms when the above forces take moments at different points.
不同角度下各力的力臂长度及弹簧的伸长量根据结构几何关系均可求得,进而由式(6)根据不同角度下光伏组件的受力要求即可确定所需弹簧的劲度系数。The arm length of each force at different angles and the elongation of the spring can be obtained according to the structural geometric relationship, and then the stiffness coefficient of the required spring can be determined by formula (6) according to the force requirements of the photovoltaic modules at different angles .
根据以上结果可得到50m/s风速条件下,太阳能板保持不同角度所需要的弹簧拉力计算如下表1所示。According to the above results, under the condition of 50m/s wind speed, the calculation of the spring tension required for the solar panel to maintain different angles is shown in Table 1 below.
表1太阳能板50m/s风速下保持不同角度所需弹簧拉力Table 1 Spring tension required for solar panels to maintain different angles at a wind speed of 50m/s
由此可得到不同风速条件下,太阳能板保持不同角度所需要的弹簧拉力计算如下表2所示。From this, it can be obtained that under different wind speed conditions, the calculation of the spring tension required for the solar panel to maintain different angles is shown in Table 2 below.
表2太阳能板不同风速下保持不同角度所需弹簧拉力Table 2 Spring tension required for solar panels to maintain different angles at different wind speeds
根据表2可知,最大风速50m/s条件下,当太阳能板角度为5°时,保持太阳能板平衡所需要的的弹簧拉力为913.10N;风速5m/s条件下,当太阳能板角度为25°时,保持太阳能板平衡所需要的的浮力值为131.70N;According to Table 2, under the condition of the maximum wind speed of 50m/s, when the angle of the solar panel is 5°, the spring tension required to maintain the balance of the solar panel is 913.10N; under the condition of the wind speed of 5m/s, when the angle of the solar panel is 25° , the buoyancy value required to maintain the balance of the solar panel is 131.70N;
考虑太阳能板可转动至最小角度为5°,风速5m/s时太阳能板不发生转动,则弹簧所需提供的最小拉力为132N,最大拉力为913N。太阳能板从25°转至5°时,弹簧伸长长度为0.40m,拉力变化量为781N,则弹簧劲度系数为1952N/m,要保证初始状态下弹簧提供132N的拉力,则弹簧初始伸长量为6.8cm。Considering that the solar panel can be rotated to a minimum angle of 5° and the solar panel does not rotate when the wind speed is 5m/s, the minimum pulling force required by the spring is 132N and the maximum pulling force is 913N. When the solar panel is turned from 25° to 5°, the elongation length of the spring is 0.40m, and the change in tension is 781N, so the spring stiffness coefficient is 1952N/m. To ensure that the spring provides a tension of 132N in the initial state, the initial extension of the spring is 1952N/m. The length is 6.8cm.
上述描述仅是对本发明较佳实施例的描述,并非是对本发明范围的任何限定。任何熟悉该领域的普通技术人员根据上述揭示的技术内容做出的任何变更或修饰均应当视为等同的有效实施例,均属于本发明技术方案保护的范围。The above description is only a description of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any changes or modifications made by any person of ordinary skill in the art based on the technical content disclosed above should be regarded as equivalent effective embodiments, and all belong to the protection scope of the technical solutions of the present invention.
Claims (10)
- 一种基于弹簧自适应角度调节的太阳能板支撑装置,包括光伏组件(1),其特征在于:A solar panel support device based on spring self-adaptive angle adjustment, comprising a photovoltaic assembly (1), characterized in that:所述光伏组件前端通过支座支撑,光伏组件和支座可旋转连接;The front end of the photovoltaic component is supported by a support, and the photovoltaic component and the support are rotatably connected;所述光伏组件后端通过连杆(7)支撑,连杆顶端和光伏组件之间可滑动连接,连杆中段固定在支座上,连杆下端连接阻尼装置;The rear end of the photovoltaic assembly is supported by a connecting rod (7), the top end of the connecting rod and the photovoltaic assembly are slidably connected, the middle section of the connecting rod is fixed on the support, and the lower end of the connecting rod is connected with a damping device;所述阻尼装置通过阻尼转动支座(13)固定在固定板(10)上,所述固定板固定在支座上;The damping device is fixed on the fixed plate (10) through the damping rotating support (13), and the fixed plate is fixed on the support;所述连杆通过和顶端光伏组件间的滑动连接点及底端连接的阻尼装置,以连杆中段在支座上的固定点为支点旋转。The connecting rod rotates with the fixed point of the middle section of the connecting rod on the support as the fulcrum through the sliding connection point with the top photovoltaic module and the damping device connected with the bottom end.
- 根据权利要求1所述的一种基于弹簧自适应角度调节的太阳能板支撑装置,其特征在于:所述阻尼装置包括阻尼外壳;所述阻尼外壳(18)呈中空杆状,阻尼杆(16)在阻尼外壳(18)内部沿轴向设置,一端穿过阻尼塞(17),另一端穿过阻尼前盖(14)固定在阻尼转动支座(13)上,阻尼前盖(14)及阻尼塞(17)与阻尼杆滑动连接;A solar panel support device based on spring adaptive angle adjustment according to claim 1, characterized in that: the damping device comprises a damping casing; the damping casing (18) is in the shape of a hollow rod, and the damping rod (16) The damping housing (18) is arranged in the axial direction, one end passes through the damping plug (17), the other end passes through the damping front cover (14) and is fixed on the damping rotating support (13), the damping front cover (14) and the damping The plug (17) is slidably connected with the damping rod;阻尼外壳(18)外缠绕弹簧(15);所述弹簧(15)一端连接阻尼前盖(14),另一端固定在阻尼外壳(18)后端。A damping casing (18) is wound around a spring (15); one end of the spring (15) is connected to the damping front cover (14), and the other end is fixed at the rear end of the damping casing (18).
- 根据权利要求2所述的一种基于弹簧自适应角度调节的太阳能板支撑装置,其特征在于:所述阻尼外壳(18)一端开孔,与连杆下端连接。A solar panel support device based on spring self-adaptive angle adjustment according to claim 2, characterized in that: one end of the damping shell (18) is opened with a hole, which is connected to the lower end of the connecting rod.
- 根据权利要求2所述的一种基于弹簧自适应角度调节的太阳能板支撑装置,其特征在于:所述弹簧尺寸及劲度系数风力大小及光伏组件转角相适应;弹簧初始状态处于拉伸状态,使连杆在无风或微风状态下保持竖直。A solar panel support device based on spring self-adaptive angle adjustment according to claim 2, characterized in that: the size of the spring, the stiffness coefficient of the wind force and the rotation angle of the photovoltaic module are adapted to; the initial state of the spring is in a stretched state, Keep the connecting rod upright in the absence of wind or light breeze.
- 根据权利要求1所述的一种基于弹簧自适应角度调节的太阳能板支撑装置,其特征在于:所述支座为由支点(2)、前檩条(3)和横梁(6)组成的框架结构;所述支点分别固定于横梁前段两侧,支点间与前檩条枢轴连接。A solar panel support device based on spring adaptive angle adjustment according to claim 1, characterized in that: the support is a frame structure composed of a fulcrum (2), a front purlin (3) and a beam (6). The fulcrums are respectively fixed on both sides of the front section of the beam, and the fulcrums are pivotally connected with the front purlins.
- 根据权利要求5所述的一种基于弹簧自适应角度调节的太阳能板支撑装置,其特征在于:所述支座上与前檩条平行设有中檩条(8),所述连杆通过连杆转动支座(9)固定在中檩条上。A solar panel support device based on spring self-adaptive angle adjustment according to claim 5, characterized in that: the support is provided with a middle purlin (8) parallel to the front purlin, and the connecting rod rotates through the connecting rod The support (9) is fixed on the middle purlin.
- 根据权利要求5所述的一种基于弹簧自适应角度调节的太阳能板支撑装置,其特征在于:所述支座上与前檩条平行设有后檩条(11),所述固定板(10) 固定在后檩条上;优选的,所述固定板(10)两侧设有支撑杆(12),所述支撑杆与后檩条形成三角结构,将固定板固定。A solar panel support device based on spring self-adaptive angle adjustment according to claim 5, characterized in that: the support is provided with a rear purlin (11) parallel to the front purlin, and the fixing plate (10) is fixed On the rear purlin; preferably, support rods (12) are provided on both sides of the fixing plate (10), and the supporting rod and the rear purlin form a triangular structure to fix the fixing plate.
- 根据权利要求1所述的一种基于弹簧自适应角度调节的太阳能板支撑装置,其特征在于:还包括限位件,所述限位件用于将连杆相对于光伏组件的滑动限制在设置的范围内;A solar panel support device based on spring self-adaptive angle adjustment according to claim 1, characterized in that: it further comprises a limiter, and the limiter is used to limit the sliding of the connecting rod relative to the photovoltaic module in the setting In the range;所述限位件优选滑槽;所述连杆和光伏组件连接一端设有滚轮(5),所述滚轮沿固定在光伏组件上的滑槽(4)滑动。The limiting member is preferably a chute; the connecting end of the connecting rod and the photovoltaic assembly is provided with a roller (5), and the roller slides along the chute (4) fixed on the photovoltaic assembly.
- 根据权利要求2所述的一种基于弹簧自适应角度调节的太阳能板支撑装置,其特征在于:所述连杆为实心结构;所述连杆、阻尼外壳、阻尼杆及阻尼前盖均采用尼龙材料。A solar panel support device based on spring self-adaptive angle adjustment according to claim 2, characterized in that: the connecting rod is a solid structure; the connecting rod, the damping shell, the damping rod and the damping front cover are all made of nylon Material.
- 根据权利要求2或4所述的一种基于弹簧自适应角度调节的太阳能板支撑装置,其特征在于:所述弹簧劲度系数基于如下方式确定:A solar panel support device based on spring adaptive angle adjustment according to claim 2 or 4, characterized in that: the spring stiffness coefficient is determined based on the following method:式中,G为光伏组件重力;F w为太阳能板所受风载;Δh为弹簧的伸长量;AA′、AA″分别表示重力G、风载F w对光伏组件前端与支座连接支点A取矩的力臂长度;、BB′为连杆与光伏组件之间的相互作用力对连杆顶部作用点B取矩的力臂长度;OB′、OO′分别为连杆与光伏组件之间的相互作用力、弹簧拉力对连杆支点O取矩的力臂长度。 In the formula, G is the gravity of the photovoltaic module; Fw is the wind load on the solar panel; Δh is the elongation of the spring; AA′ and AA″ represent the gravity G and the wind load Fw , respectively, on the connection fulcrum between the front end of the photovoltaic module and the support A takes the moment arm length; BB′ is the moment arm length taken by the interaction force between the connecting rod and the photovoltaic module to the action point B on the top of the connecting rod; OB′ and OO′ are the distance between the connecting rod and the photovoltaic module, respectively The length of the moment arm that the interaction force and the spring tension take the moment to the connecting rod fulcrum O.
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PCT/CN2020/126708 WO2022094844A1 (en) | 2020-11-05 | 2020-11-05 | Solar panel support device capable of adaptive angle adjustment based on spring |
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CN114803102A (en) * | 2022-06-06 | 2022-07-29 | 宁波欧达光电有限公司 | Fixing device is prevented falling in photovoltaic module transportation |
CN115225028A (en) * | 2022-07-18 | 2022-10-21 | 中铁一局集团电务工程有限公司 | Photovoltaic module inclination angle automatic adjusting support and adjusting method |
CN115373431A (en) * | 2022-08-22 | 2022-11-22 | 江苏礼德铝业有限公司 | Adjustable photovoltaic support device |
CN117767852A (en) * | 2023-12-22 | 2024-03-26 | 中山翠亨能源有限公司 | Roof distributing type photovoltaic device |
CN117895878A (en) * | 2024-01-11 | 2024-04-16 | 宁夏荣光电力工程有限公司 | Intelligent adjustment flexible photovoltaic panel assembly based on 5G and adjustment method thereof |
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CN117767852A (en) * | 2023-12-22 | 2024-03-26 | 中山翠亨能源有限公司 | Roof distributing type photovoltaic device |
CN117895878A (en) * | 2024-01-11 | 2024-04-16 | 宁夏荣光电力工程有限公司 | Intelligent adjustment flexible photovoltaic panel assembly based on 5G and adjustment method thereof |
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