CN207080313U - A tidal current power generation device based on hydraulic transmission - Google Patents
A tidal current power generation device based on hydraulic transmission Download PDFInfo
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- CN207080313U CN207080313U CN201720312524.3U CN201720312524U CN207080313U CN 207080313 U CN207080313 U CN 207080313U CN 201720312524 U CN201720312524 U CN 201720312524U CN 207080313 U CN207080313 U CN 207080313U
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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
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Abstract
Description
技术领域technical field
本实用新型属于海洋可再生能源利用技术领域，涉及到一种基于液压传动的潮流能发电装置。The utility model belongs to the technical field of marine renewable energy utilization and relates to a tidal current energy generating device based on hydraulic transmission.
背景技术Background technique
随着化石等传统能源的逐渐枯竭，全球能源紧缺和环境污染问题越来越严重，开发和利用清洁、可再生的能源称为我们以后研究的方向，潮流能是一种具有含量丰富的可再生能源，近年来获得了国内外极大的重视，开发利用潮流能的意义及重要性不言而喻。近些年来，潮流能发电装置的开发利用在世界范围内取得了较大的进步。潮流式水轮机一般可以分为垂直轴潮流能水轮机和水平轴潮流能水轮机，不论哪一类的水轮机，它的传动系统都与它的效率和性能问题紧密关联；With the gradual depletion of traditional energy sources such as fossils, the global energy shortage and environmental pollution are becoming more and more serious. The development and utilization of clean and renewable energy will be our future research direction. Tidal current energy is a renewable energy with rich content. Energy has received great attention at home and abroad in recent years, and the significance and importance of developing and utilizing tidal current energy is self-evident. In recent years, the development and utilization of tidal current energy generation devices have made great progress worldwide. Tidal current turbines can generally be divided into vertical-axis tidal energy turbines and horizontal-axis tidal energy turbines. Regardless of the type of turbine, its transmission system is closely related to its efficiency and performance issues;
传统水轮机传动形式分为增速式和直驱式两种，其中增速式传动形式即齿轮箱传动是应用最广的方式，但是带有增速器齿轮箱这一传动部件的水轮机的结构尺寸较大，噪声高，又由于齿轮传动的容易产生磨损等失效，使用周期比较短，所以大大提高了机组的运行维护成本，再加上水轮机放在水下，进行维修要花费大量的人力物力，对于直驱/半直驱式的传动，叶轮和电机直接耦合(无齿轮箱)，叶轮转速低导致直驱电动机的极对数过多，电机体积庞大总量重，不仅成本高昂，而且重量比较重，不易吊装。Traditional hydraulic turbine transmission forms are divided into two types: speed-up type and direct-drive type. Among them, speed-up type transmission, that is, gearbox transmission, is the most widely used method. Large, high noise, and because the gear transmission is prone to wear and other failures, the service life is relatively short, so the operation and maintenance costs of the unit are greatly increased. In addition, the water turbine is placed underwater, and maintenance will cost a lot of manpower and material resources. For the direct drive/semi-direct drive transmission, the impeller and the motor are directly coupled (without a gearbox), the low speed of the impeller leads to too many pole pairs of the direct drive motor, and the motor is bulky and heavy, which is not only expensive, but also relatively heavy Heavy, not easy to hoist.
实用新型内容Utility model content
针对现有技术存在的问题，本实用新型提供一种基于液压传动的潮流能发电装置。采用液压传动的方式，比起普通的齿轮箱，液压传动方式使用周期更长，噪音小，花费低，更加易于维护，比起直驱式的传动方式，虽然液压式的传动方式的效率会较其他两种方式低，但是液压传动方式结构更加简单，花费少，体积比较小，性价比高，因此，本实用新型提供了一种结构更加简单，使用寿命更长，便于维护，更加经济实用的潮流能发电装置。Aiming at the problems existing in the prior art, the utility model provides a tidal current energy generating device based on hydraulic transmission. Compared with the ordinary gearbox, the hydraulic transmission method has a longer service life, less noise, lower cost, and is easier to maintain. Compared with the direct drive transmission method, although the hydraulic transmission method is more efficient The other two methods are lower, but the hydraulic transmission method has a simpler structure, less cost, smaller volume, and high cost performance. Therefore, the utility model provides a trend with a simpler structure, longer service life, easy maintenance, and more economical and practical Energy generating device.
为了达到上述目的，本实用新型的技术方案为：In order to achieve the above object, the technical solution of the utility model is:
一种基于液压传动的潮流能发电装置，利用液压传动的方式实现水轮机的发电，包括密封舱、传动轴、传动装置以及液压回路。A tidal current energy power generation device based on hydraulic transmission, which uses hydraulic transmission to realize power generation of a water turbine, including a sealed cabin, a transmission shaft, a transmission device and a hydraulic circuit.
所述的密封舱用于隔离内部装置与外界环境，由于自身是一套完整的发电装置，所以密封舱可以对内部的结构起到有效的保护，密封舱由固定底盘分成两个区域，一侧安装传动装置，另一侧放置液压回路，方便内部的安装与运行。密封盖设置于密封舱一侧。The sealed cabin is used to isolate the internal device from the external environment. Since it is a complete power generation device, the sealed cabin can effectively protect the internal structure. The sealed cabin is divided into two areas by the fixed chassis, one side The transmission device is installed, and the hydraulic circuit is placed on the other side to facilitate internal installation and operation. The sealing cover is arranged on one side of the sealing cabin.
所述的传动轴用于连接外部的叶片和密封舱内传动装置，水流流过水轮机叶片，水轮机叶片转动，带动传动轴转动，为液压缸的活塞杆做往复压缩提供动力，实现能量转化。具体为：潮流流动带动叶片旋转，叶片旋转带动传动轴转动，进而带动滑轨旋转，从而带动液压缸工作。The transmission shaft is used to connect the external blades and the transmission device in the sealed cabin. The water flows through the turbine blades, and the turbine blades rotate, driving the transmission shaft to rotate, providing power for the reciprocating compression of the piston rod of the hydraulic cylinder, and realizing energy conversion. Specifically: the current flow drives the blades to rotate, the blades rotate to drive the transmission shaft to rotate, and then drive the slide rail to rotate, thereby driving the hydraulic cylinder to work.
所述的密封舱内的传动装置包括固定装置和旋转装置；所述的固定装置包括三个液压缸、液压缸支架、固定底盘，旋转装置包括滑轨转盘、正弦波形滑轨、滑轮。所述的固定底盘固定在密封舱的内壁上，用于固定液压缸和液压缸支架，保证整个装置的稳定性；三个液压缸以传动轴为圆心呈120度角均匀分布，每个液压缸由三根液压缸支架支撑，以承受作用在液压缸上的力和力矩，保证装置的稳定性和安全性；液压缸的一端固定在固定底盘上，另一端活塞杆与滑轮连接，滑轮安装在正弦波形滑轨中的滑道上，起导向作用，液压缸另一端通过滑轮在正弦波形滑轨内滚动；正弦波形滑轨固定在滑轨转盘上，靠近传动轴一端，随滑轨转盘自由旋转，正弦波形滑轨内有滑道；滑轨转盘与传动轴连接，随传动轴旋转。The transmission device in the sealed cabin includes a fixing device and a rotating device; the fixing device includes three hydraulic cylinders, a hydraulic cylinder support, and a fixed chassis, and the rotating device includes a slide rail turntable, a sinusoidal wave slide rail, and a pulley. The fixed chassis is fixed on the inner wall of the sealed cabin, and is used to fix the hydraulic cylinder and the hydraulic cylinder support to ensure the stability of the whole device; the three hydraulic cylinders are evenly distributed at an angle of 120 degrees with the transmission shaft as the center, and each hydraulic cylinder It is supported by three hydraulic cylinder brackets to withstand the force and moment acting on the hydraulic cylinder to ensure the stability and safety of the device; one end of the hydraulic cylinder is fixed on the fixed chassis, and the other end of the piston rod is connected to the pulley, which is installed on the sinusoidal The slideway in the wave slide rail acts as a guide, and the other end of the hydraulic cylinder rolls in the sinusoidal wave slide rail through the pulley; There is a slideway in the waveform slide rail; the turntable of the slide rail is connected with the transmission shaft and rotates with the transmission shaft.
所述的液压回路包括液压马达、液压控制箱(包括单向阀、节流阀、溢流阀等)、蓄能器、发电机、油箱，安装在密封舱内，通过液压缸传动轴的往复运动，形成一个完整的液压回路，实现从波浪的动能到电能的转化。The hydraulic circuit includes a hydraulic motor, a hydraulic control box (including a one-way valve, a throttle valve, an overflow valve, etc.), an accumulator, a generator, and an oil tank, which are installed in a sealed cabin and are reciprocated by the transmission shaft of the hydraulic cylinder. Movement forms a complete hydraulic circuit to realize the conversion from wave kinetic energy to electric energy.
所述的正弦波形滑轨的结构具体为：正弦波形滑轨为柱面正弦波型，正弦波形滑轨固定在滑轨转盘上，滑轮在正弦波形滑轨内滚动；将正弦波形滑轨展开成一个平面，是两个周期的正弦形曲线，当滑轨旋转，滑轮处于正弦波波峰时，液压缸的活塞杆处于最大压缩状态，运动半个周期，滑轮处于正弦波波谷的时候，活塞杆处于最大拉伸状态，通过轨道曲面实现液压的传动。The structure of the sinusoidal waveform slide rail is specifically: the sinusoidal waveform slide rail is a cylindrical sine wave type, the sinusoidal waveform slide rail is fixed on the slide rail turntable, and the pulley rolls in the sinusoidal waveform slide rail; the sinusoidal waveform slide rail is expanded into A plane is a sinusoidal curve with two cycles. When the slide rail rotates and the pulley is at the peak of the sine wave, the piston rod of the hydraulic cylinder is at the maximum compression state. When the pulley is at the trough of the sine wave, the piston rod is at the In the state of maximum tension, the hydraulic transmission is realized through the curved surface of the track.
液压式的传动方式具体为：当滑轨随滑轨转盘转动时，滑轮在正弦波形滑轨中滑动，带动液压缸的活塞杆做往复运动，带动液压马达转动，液压马达带动电机发电，从而实现动能向电能的转化。由功能转化原理，将流体的动能转化为液压缸的机械能，再将液压缸的机械能转为液压马达的机械能，从而带动发电机发电。The hydraulic transmission mode is specifically: when the slide rail rotates with the slide rail turntable, the pulley slides in the sinusoidal wave slide rail, driving the piston rod of the hydraulic cylinder to reciprocate, driving the hydraulic motor to rotate, and the hydraulic motor drives the motor to generate electricity, thereby realizing Conversion of kinetic energy to electrical energy. Based on the principle of function conversion, the kinetic energy of the fluid is converted into the mechanical energy of the hydraulic cylinder, and then the mechanical energy of the hydraulic cylinder is converted into the mechanical energy of the hydraulic motor, thereby driving the generator to generate electricity.
本实用新型的效果和益处是：1)相对于普通的齿轮箱传动方式，采用液压传动方式更加安全，噪音小，使用寿命更加长，省去了维护和维修的人力物力的花费。2)相对于直驱式发电机发电的形式，采用液压式的传动占用的体积更加小，花费低，结构更加简单，更加的经济。3)滑轨设计成展成平面后为正弦的形式，更够更好的控制液压缸活塞缸的伸缩长度，采用滑轨在导轨中的滑动，可以有效的减少摩擦，从而提高效率和使用的寿命。4)采用三个关于主轴对称的液压缸可以使密封舱结构更加平衡，减小工作时的震动。5)该装置无复杂的内部机构，方便投放与回收。The effects and benefits of the utility model are: 1) Compared with the ordinary gear box transmission mode, the hydraulic transmission mode is safer, has less noise, longer service life, and saves the cost of manpower and material resources for maintenance and repair. 2) Compared with the direct-drive generator for power generation, the hydraulic transmission occupies a smaller volume, lower cost, simpler structure, and more economical. 3) The slide rail is designed to be sinusoidal after being developed into a plane, which can better control the telescopic length of the hydraulic cylinder piston cylinder. Using the slide rail to slide in the guide rail can effectively reduce friction, thereby improving efficiency and ease of use. life. 4) The use of three hydraulic cylinders that are symmetrical about the main axis can make the structure of the sealed cabin more balanced and reduce the vibration during work. 5) The device has no complicated internal mechanism, which is convenient for feeding and recycling.
附图说明Description of drawings
图1为一种基于液压传动的潮流能发电装置主视图。Fig. 1 is a front view of a tidal current energy generating device based on hydraulic transmission.
图2为一种基于液压传动的潮流能发电装置A-A剖视图。Fig. 2 is a sectional view A-A of a tidal current energy generating device based on hydraulic transmission.
图3为一种基于液压传动的潮流能发电装置轨道与液压缸装配示意图。Fig. 3 is a schematic diagram of assembly of a track and a hydraulic cylinder of a tidal current energy generation device based on hydraulic transmission.
图4为一种基于液压传动的潮流能发电装置液压传动回路图。Fig. 4 is a hydraulic transmission circuit diagram of a tidal current energy generating device based on hydraulic transmission.
图中：1密封舱；2液压缸A；3液压缸B；4液压缸C；5液压缸支架；6滑轨转盘；7正弦波形滑轨；8密封盖；9传动轴；10滑轮；11固定底盘。In the figure: 1 sealed cabin; 2 hydraulic cylinder A; 3 hydraulic cylinder B; 4 hydraulic cylinder C; 5 hydraulic cylinder support; Fixed chassis.
具体实施方式Detailed ways
以下结合技术方案和附图详细叙述本实用新型的具体实施方式。The specific embodiment of the utility model is described in detail below in conjunction with technical scheme and accompanying drawing.
一种基于液压传动的潮流能发电装置包括密封舱1；液压缸A2；液压缸B3；液压缸C4；液压缸支架5；滑轨转盘6；正弦波形滑轨7；密封盖8；传动轴9；滑轮10；固定底盘11和液压回路，液压回路包括液压马达、液压控制箱、蓄能器、发电机、油箱等，液压控制箱包括单向阀、节流阀、溢流阀等。A tidal current energy power generation device based on hydraulic transmission includes a sealed cabin 1; a hydraulic cylinder A2; a hydraulic cylinder B3; a hydraulic cylinder C4; a hydraulic cylinder bracket 5; a slide rail turntable 6; Pulley 10; Fixed chassis 11 and hydraulic circuit, hydraulic circuit includes hydraulic motor, hydraulic control box, accumulator, generator, fuel tank, etc., hydraulic control box includes check valve, throttle valve, overflow valve, etc.
该潮流能发电装置投放在海洋中，密封舱1起到内部结构与外界水的隔离作用，整套设备都可以放于密封舱内，固定底盘11的一侧安装密封舱内传动装置，另一侧放置液压回路。三个相同的液压缸(液压缸A2、液压缸B3、液压缸 C4)以传动轴9为圆心呈120度角均匀分布，液压缸一端固定在固定底盘11上，固定底盘11固定在密封舱1内壁上，液压缸周围由液压缸5支架支撑，以保证其稳定性，液压缸另一端连接滑轮10，滑轮安装到正弦波形滑轨7内，为正弦波形滑轨7旋转提供导向，正弦波形滑轨7固定在滑轨转盘6上，滑轨转盘6 与传动轴9相连接，当叶片随着水流的流动旋转时，可以带动传动轴9的转动，传动轴9转动从而带动正弦波形滑轨7转动，滑道外直径小于密封舱的内直径，与液压缸下部活塞杆连接的滑轮10将随着正弦波形滑轨7的转动做往复运动，因为正弦波形滑轨7是两个柱面正弦波的形状，当滑轮10从正弦形波谷向波峰运动时，正弦波形滑轨7上壁面提供一个压力，使液压缸的活塞杆向里收缩，当滑轮10从正弦波峰向波谷运动时，下壁面提供一个压力，使液压缸的活塞杆向外拉伸，通过滑轮10在正弦波形滑轨7的圆周运动从而实现活塞杆的往复运动，滑轮10采用左右对称的两个小轮在正弦波形滑轨7内滚动，正弦波形滑轨 7上壁面开有供轴进行运动的轨道。综上，整套装置的运行可以总结如下，叶片在潮流能作用下将水的动能转化为水轮机叶片的动能，水轮机叶片转动带动滑轨转盘6进行转动，滑轨转盘6转动带动正弦波形滑轨7转动，从而使滑轮10 在滑道内滚动，让伸缩杆做往复运动，滑道转动两周，液压缸进行一次往复运动，然后通过液压缸的工作带动液压马达的转动，利用电动机进行发电，从而完成机械能向电能的转化。The tidal current energy generating device is placed in the ocean, and the sealed cabin 1 plays the role of isolating the internal structure from the external water. The whole set of equipment can be placed in the sealed cabin, and the transmission device in the sealed cabin is installed on one side of the fixed chassis 11, and the other side Place the hydraulic circuit. Three identical hydraulic cylinders (hydraulic cylinder A2, hydraulic cylinder B3, hydraulic cylinder C4) are evenly distributed at an angle of 120 degrees with the transmission shaft 9 as the center, and one end of the hydraulic cylinder is fixed on the fixed chassis 11, and the fixed chassis 11 is fixed on the sealed cabin 1 On the inner wall, the hydraulic cylinder is supported by the hydraulic cylinder 5 brackets to ensure its stability. The other end of the hydraulic cylinder is connected to the pulley 10, and the pulley is installed in the sinusoidal wave slide rail 7 to provide guidance for the rotation of the sinusoidal wave slide rail 7. The sinusoidal wave slide The rail 7 is fixed on the slide rail turntable 6, the slide rail turntable 6 is connected with the transmission shaft 9, when the blade rotates with the flow of water, it can drive the rotation of the transmission shaft 9, and the rotation of the transmission shaft 9 drives the sinusoidal wave slide rail 7 Rotate, the outer diameter of the slideway is smaller than the inner diameter of the sealed cabin, and the pulley 10 connected to the piston rod at the lower part of the hydraulic cylinder will reciprocate with the rotation of the sinusoidal wave slide rail 7, because the sinusoidal wave slide rail 7 is the sine wave of two cylinders. shape, when the pulley 10 moves from the sinusoidal wave trough to the wave peak, the upper wall of the sinusoidal wave slide rail 7 provides a pressure to make the piston rod of the hydraulic cylinder shrink inward, and when the pulley 10 moves from the sinusoidal wave peak to the wave trough, the lower wall provides a The pressure makes the piston rod of the hydraulic cylinder stretch outward, and the reciprocating motion of the piston rod is realized through the circular motion of the pulley 10 on the sinusoidal wave slide rail 7. The pulley 10 adopts two symmetrical small wheels in the sinusoidal wave slide rail 7 Rolling, the upper wall of the sine wave slide rail 7 has a track for the shaft to move. In summary, the operation of the whole device can be summarized as follows: the blades convert the kinetic energy of water into the kinetic energy of the turbine blades under the action of tidal current energy, the rotation of the turbine blades drives the slide rail turntable 6 to rotate, and the rotation of the slide rail turntable 6 drives the sinusoidal waveform slide rail 7 Rotate, so that the pulley 10 rolls in the slideway, let the telescopic rod do reciprocating motion, the slideway rotates two weeks, the hydraulic cylinder performs a reciprocating motion, and then the hydraulic cylinder drives the hydraulic motor to rotate, and the electric motor is used to generate electricity, thus completing Conversion of mechanical energy to electrical energy.
滑轨设计及其安装说明，正弦波形滑轨7为柱面正弦曲线形，将滑道放在平面可以展开为两个周期的正弦曲线，滑道的切面为一个“凹”形截面，可以将滑轮放入，当滑轨转动时给滑轮一个向上或者向下的力从而带动液压缸的活塞杆做往复运动。Slide rail design and installation instructions, the sinusoidal wave slide rail 7 is a cylindrical sinusoidal shape, and the slide rail can be expanded into two periods of sinusoidal curves when placed on a plane. The section of the slide rail is a "concave" section, which can The pulley is put in, and when the slide rail rotates, an upward or downward force is given to the pulley to drive the piston rod of the hydraulic cylinder to reciprocate.
上述实施方式的描述，是本装置较佳的实施方式，但不能以此限定本装置的保护范围，但凡以此方式所做的变化及修饰，均在本装置的保护范围内。The description of the above-mentioned embodiment is a preferred embodiment of the device, but it cannot limit the protection scope of the device, but any changes and modifications made in this way are within the protection scope of the device.
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| CN106884757A (en) * | 2017-03-29 | 2017-06-23 | 大连理工大学 | One kind is based on hydraulicdriven tidal current energy generating equipment |
| CN111921406A (en) * | 2020-07-01 | 2020-11-13 | 安徽凤阳淮河玻璃有限公司 | Glass raw material's mixing arrangement that circles round |
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| CN106884757A (en) * | 2017-03-29 | 2017-06-23 | 大连理工大学 | One kind is based on hydraulicdriven tidal current energy generating equipment |
| CN111921406A (en) * | 2020-07-01 | 2020-11-13 | 安徽凤阳淮河玻璃有限公司 | Glass raw material's mixing arrangement that circles round |
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