当前查询到63条专利与查询词 "Wang Yifu"相关,搜索用时0.3280678秒!排序方式:
发明专利:38实用新型: 23外观设计: 2
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申请号:201911186355.3 公开号:CN110910453A 主分类号:G06T7/73
摘要:【中文】一种基于无重叠视域多相机系统的车辆位姿估计方法,包括:通过随车辆移动且标定好内外参数的多个车载单目相机同步采集环境图片;检测每一个车载单目相机所采集图片中的特征点并进行追踪,对相邻帧的特征点进行匹配,获得特征点对;通过相邻两帧之间单个车载单目相机的相对平移量与所有方向向量对构成的对极平面法向量的正交关系获得对于单个相机位姿的第一优化目标函数;将第一优化目标函数中的变量通过第二优化目标函数转换到多相机系统中心坐标系下进行表达;通过迭代估计算法对第二优化目标函数进行迭代优化,获得车辆位姿。本发明能适应低成本硬件且准确度高。 【EN】A vehicle pose estimation method based on a non-overlapping view field multi-camera system comprises the following steps: synchronously acquiring environmental pictures through a plurality of vehicle-mounted monocular cameras which move along with a vehicle and are calibrated with internal and external parameters; detecting and tracking feature points in the pictures acquired by each vehicle-mounted monocular camera, and matching the feature points of adjacent frames to obtain feature point pairs; obtaining a first optimization objective function for the pose of a single camera through the orthogonal relation between the relative translation amount of the single vehicle-mounted monocular camera between two adjacent frames and epipolar plane normal vectors formed by all direction vector pairs; converting variables in the first optimization objective function into a multi-camera system central coordinate system through a second optimization objective function for expression; and performing iterative optimization on the second optimization objective function through an iterative estimation algorithm to obtain the vehicle pose. The invention can adapt to low-cost hardware and has high accuracy.
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申请号:201911382247.3 公开号:CN111115993A 主分类号:C02F11/00
申请人:【中文】湖南大学【EN】HUNAN University 申请日:2019.12.28 公开日:2020.05.08
摘要:【中文】本发明属于污泥处理技术领域,具体涉及一种提高污泥流动性同步降低污泥表观粘度的方法,该方法包括以下步骤:将污泥含固率进行调节,再将污泥酸化,继续向酸化后的污泥先后加入亚微米铁和过碳酸钠进行反应,反应完成后进行亚微米铁回收,最终得到处理后的污泥。本发明基于高级氧化技术进行污泥处理,利用过碳酸钠加速亚微米铁腐蚀,从而原位产生强氧化性羟基自由基进行污泥改性,破坏污泥胞外聚合物网状结构,从而提高污泥流动性同步降低污泥表观粘度,该技术的推广对我国的污泥处理与处置,具有重要的环境生态意义。 【EN】The invention belongs to the technical field of sludge treatment, and particularly relates to a method for improving the fluidity of sludge and synchronously reducing the apparent viscosity of the sludge, which comprises the following steps: adjusting the solid content of the sludge, acidifying the sludge, continuously adding submicron iron and sodium percarbonate into the acidified sludge for reaction, and recovering the submicron iron after the reaction is finished to finally obtain the treated sludge. The invention carries out sludge treatment based on advanced oxidation technology, and utilizes sodium percarbonate to accelerate submicron iron corrosion, thereby generating strong oxidizing hydroxyl radicals in situ to carry out sludge modification, destroying the mesh structure of sludge extracellular polymers, improving the sludge fluidity and synchronously reducing the apparent viscosity of the sludge.
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申请号:202010045191.9 公开号:CN111029102A 主分类号:H01F27/14
申请人:【中文】孙铭阳【EN】Sun Mingyang 申请日:2020.01.16 公开日:2020.04.17
摘要:【中文】本发明涉及一种波纹式变压器压力释放装置,在变压器油箱上或与油箱连接的泄压通道上设置了波纹压力释放器,当变压器内部压力达到特定值时,波纹压力释放器的限位装置解除对波纹的约束,波纹迅速吸收变压器内部膨胀,降低变压器内高压。该波纹压力释放器还可以连接在变压器现有压力释放阀的外部或定向排油口上;或波纹压力释放器与变压器连接时设置爆破片隔离,爆破片在特定压力开启,泄压不足时波纹压力释放器再次泄压。还可以将波纹储油柜作为压力释放器,变压器油箱通过泄压通道与储油柜连接,并设置爆破片隔离。该波纹式变压器压力释放装置能实现在密封条件下泄压,避免泄压排出的油气与空气接触,发生起火爆炸。 【EN】The invention relates to a pressure releasing device of a corrugated transformer.A corrugated pressure releaser is arranged on an oil tank of the transformer or a pressure releasing channel connected with the oil tank, when the internal pressure of the transformer reaches a specific value, a limiting device of the corrugated pressure releaser releases the restraint on corrugations, and the corrugations quickly absorb the internal expansion of the transformer to reduce the internal high pressure of the transformer. The ripple pressure releaser can also be connected to the external or directional oil drain port of the existing pressure relief valve of the transformer; or the corrugated pressure releaser is isolated by the rupture disk when connected with the transformer, the rupture disk is opened at specific pressure, and the corrugated pressure releaser releases pressure again when the pressure is insufficient. The corrugated oil conservator can be used as a pressure releaser, and the transformer oil tank is connected with the oil conservator through a pressure relief channel and is isolated by a rupture disk. This corrugated transformer pressure relief device can realize the pressure release under sealed condition, avoids pressure release exhaust oil gas and air contact, takes place the explosion on fire.
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申请号:202010051782.7 公开号:CN111034402A 主分类号:A01B49/02
申请人:【中文】扬州大学【EN】YANGZHOU University 申请日:2020.01.17 公开日:2020.04.21
摘要:【中文】本发明公开了农业机械技术领域内的一种土量平衡耕作的旋耕机,包括机架,机架上可转动地连接有第一旋耕刀轴,第一旋耕刀轴上排布有若干第一旋耕刀,转轴后方的机架上可转动地连接有第二旋耕刀轴,第二旋耕刀轴上排布有若干第二旋耕刀,第一旋耕刀轴后方的机架上连接有可升降且可转动的转轴,转轴上设有螺旋叶片,在长度方向上,螺旋叶片覆盖第一旋耕刀所在位置,在前后方向上,转轴在第一旋耕刀轴和第二旋耕刀轴之间;本发明平衡旋耕区域内的土量,提高旋耕刀受力的平衡性。 【EN】The invention discloses a rotary cultivator for soil balance cultivation in the technical field of agricultural machinery, which comprises a frame, wherein a first rotary blade shaft is rotatably connected to the frame, a plurality of first rotary blades are distributed on the first rotary blade shaft, a second rotary blade shaft is rotatably connected to the frame behind the rotary shaft, a plurality of second rotary blades are distributed on the second rotary blade shaft, a rotary shaft which can be lifted and rotated is connected to the frame behind the first rotary blade shaft, a spiral blade is arranged on the rotary shaft, the spiral blade covers the position of the first rotary blade in the length direction, and the rotary shaft is arranged between the first rotary blade shaft and the second rotary blade shaft in the front-back direction; the invention balances the soil amount in the rotary tillage area and improves the stress balance of the rotary tillage blade.
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申请号:202010051290.8 公开号:CN111066394A 主分类号:A01B49/02
申请人:【中文】扬州大学【EN】YANGZHOU University 申请日:2020.01.17 公开日:2020.04.28
摘要:【中文】本发明公开了农业机械技术领域内的一种多功能旋耕机,包括机架,机架上可转动地连接有第一旋耕刀轴,第一旋耕刀轴上排布有若干第一旋耕刀,转轴后方的机架上可转动地连接有第二旋耕刀轴,第二旋耕刀轴上排布有若干第二旋耕刀,第一旋耕刀轴后方的机架上连接有可升降且可转动的转轴,转轴上设有螺旋叶片,在长度方向上,螺旋叶片覆盖第一旋耕刀所在位置,在前后方向上,转轴在第一旋耕刀轴和第二旋耕刀轴之间,机架上方设有储水箱,储水箱的下侧连接有水泵,水泵上连接有伸进储水箱内的进水管和将水输出的出水管,出水管将水输出经各个喷嘴向外喷出;本发明平衡旋耕区域内的土量,提高旋耕刀受力的平衡性,降低扬尘量。 【EN】The invention discloses a multifunctional rotary cultivator in the technical field of agricultural machinery, which comprises a rack, wherein a first rotary blade shaft is rotatably connected to the rack, a plurality of first rotary blades are distributed on the first rotary blade shaft, a second rotary blade shaft is rotatably connected to the rack behind the rotary shaft, a plurality of second rotary blades are distributed on the second rotary blade shaft, a liftable and rotatable rotary shaft is connected to the rack behind the first rotary blade shaft, a spiral blade is arranged on the rotary shaft, the spiral blade covers the position of the first rotary blade in the length direction, the rotary shaft is arranged between the first rotary blade shaft and the second rotary blade shaft in the front-back direction, a water storage tank is arranged above the rack, a water pump is connected to the lower side of the water storage tank, the water pump is connected with a water inlet pipe extending into the water storage tank and a water outlet pipe outputting water, and the water outlet pipe outputs the water to be; the invention balances the soil amount in the rotary tillage area, improves the stress balance of the rotary tillage blade and reduces the dust raising amount.
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申请号:201911021805.3 公开号:CN110989481A 主分类号:G05B19/05
摘要:【中文】本发明涉及一种叶梗分离生产线节能控制系统,属于烟草领域,本发明包括控制器、人机界面、数据库、按钮、负载电机;所述的控制器屏幕上设有人机界面,所述的人机界面上设置有按钮,按钮包括模式选择按钮、数据库维护按钮和节能值更新按钮;数据库与控制器连接,数据库用于控制器的各类控制数据存储,数据库维护按钮和节能值更新按钮与数据库连接,模式选择按钮与控制器连接,控制器的输出控制端与负载电机连接。本发明操作简单,可节约电耗30%以上。 【EN】The invention relates to an energy-saving control system for a leaf and stem separation production line, which belongs to the field of tobacco and comprises a controller, a human-computer interface, a database, a button and a load motor, wherein the controller is connected with the human-computer interface; a human-computer interface is arranged on the controller screen, and buttons are arranged on the human-computer interface and comprise a mode selection button, a database maintenance button and an energy-saving value updating button; the database is connected with the controller, the database is used for storing various control data of the controller, the database maintenance button and the energy-saving value updating button are connected with the database, the mode selection button is connected with the controller, and the output control end of the controller is connected with the load motor. The invention has simple operation and can save the power consumption by more than 30 percent.
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申请号:202010189125.9 公开号:CN111256465A 主分类号:F27B7/10
申请人:【中文】赣州奥途科技有限公司【EN】Ganzhou Aotu Technology Co., Ltd 申请日:2020.03.18 公开日:2020.06.09
摘要:【中文】本发明公开了一种钨钼煅烧或还原回转炉的炉管结构,该炉管结构旨在解决现今回转炉处理中炉管内温度差大、产品质量不稳定、粉末物料收率低的技术问题;该炉管结构为双层同轴的中空筒状结构,其包括有相互固定连接的内炉管壁和外炉管壁,所述内炉管壁与外炉管壁之间的一端设有进料口,所述内炉管壁与外炉管壁之间的另一端设有出料口,所述内炉管壁与外炉管壁之间构成钨钼煅烧或还原的加热空间,所述加热空间内的内炉管壁和外炉管壁上沿着轴向分别均匀分布地固定安装有多个垂直于轴向的挡料筋板。该炉管结构实现了内外炉管的同时加热,有效地保证了粉末物料的温度均匀性和反应充分,保证了产品质量的均匀稳定,提高了粉末物料收率。 【EN】The invention discloses a furnace tube structure of a tungsten-molybdenum calcining or reducing rotary furnace, which aims to solve the technical problems of large temperature difference in the furnace tube, unstable product quality and low powder material yield in the existing rotary furnace treatment; the furnace tube structure is a double-layer coaxial hollow tubular structure and comprises an inner furnace tube wall and an outer furnace tube wall which are fixedly connected with each other, a feed inlet is formed in one end between the inner furnace tube wall and the outer furnace tube wall, a discharge outlet is formed in the other end between the inner furnace tube wall and the outer furnace tube wall, a heating space for tungsten-molybdenum calcination or reduction is formed between the inner furnace tube wall and the outer furnace tube wall, and a plurality of material blocking rib plates perpendicular to the axial direction are fixedly mounted on the inner furnace tube wall and the outer furnace tube wall in the heating space respectively and uniformly distributed along the axial direction. The furnace tube structure realizes simultaneous heating of the inner furnace tube and the outer furnace tube, effectively ensures the temperature uniformity and the reaction of the powder material to be sufficient, ensures the uniformity and the stability of the product quality, and improves the yield of the powder material.
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申请号:201911201707.8 公开号:CN110969300A 主分类号:G06Q10/04
摘要:【中文】本发明属于城市规划领域,尤其收缩型城市开发边界划定,包括以下步骤;确定需要划定的收缩型城市面积,分别对陆地面积以及河流面积进行测量,通过设备对城市人口总量和农村人口总量分别进行统计,根据统计后的人口数据结果对农村区域和城市区域进行合理的划定,对土地的适宜性进行测量以及对城市的拓展方向进行分析,根据勘测的结果对河流区域、生态保护区域以及居住区域进行划定,根据划定的结果对城市的边界进行规划,在划定居住区域时,同时对道路的建设路线进行划定。本发明通过允许建设区、限制建设区、禁止建设区以及预留区域的划分,能够合理的对城市土地进行规划利用,避免出现越界的现象。 【EN】The invention belongs to the field of urban planning, in particular to the demarcation of development boundaries of a contraction type city, which comprises the following steps; determining the area of a contracted city to be defined, respectively measuring the land area and the river flow area, respectively counting the total urban population and the total rural population through equipment, reasonably defining the rural area and the urban area according to the counted population data result, measuring the land suitability and analyzing the expansion direction of the city, defining the river area, the ecological protection area and the residential area according to the survey result, planning the boundary of the city according to the defined result, and simultaneously defining the construction route of the road when defining the residential area. The urban land can be reasonably planned and utilized by allowing the construction area, limiting the construction area, forbidding the construction area and dividing the reserved area, and the phenomenon of boundary crossing is avoided.
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申请号:201911366978.9 公开号:CN111009429A 主分类号:H01H3/16
摘要:【中文】提供一种用于电作动器限位开关装置中的厚度可调式触柄组件,触柄主体由触柄伸出板、触柄立板和触柄角板组成的Z形结构,所述触柄伸出板端部设于触柄立板前侧面上端中部,所述触柄立板后侧面下端两拐角处均设有带安装孔的触柄角板,且触柄角板固定安装于电作动器输出部,所述厚度可调式触件可拆式安装于触柄伸出板上,所述电作动器工作行程的末端设有微动开关,且电作动器输出部带动触柄主体移动至电作动器工作行程的末端由厚度可调式触件触动微动开关实现对电作动器行程的限位。本发明可补偿可靠动作行程公差对电作动器最终工作行程的不利影响,达到精确调节作动器最终工作行程的目的,结构简单,效果显著,成本低廉,可靠性高。 【EN】The utility model provides a touch handle subassembly with adjustable thickness for among electric actuator limit switch device, the Z-shaped structure that the touch handle main part is stretched out the board by the touch handle, touches handle riser and touch handle scute and constitutes, touch handle stretches out board tip and locates touch handle riser leading flank upper end middle part, touch handle riser trailing flank lower extreme two corners all is equipped with the touch handle scute of taking the mounting hole, and touches handle scute fixed mounting in electric actuator output, touch spare detachable installation with adjustable thickness is on touch handle stretch out the board, the end of electric actuator working stroke is equipped with micro-gap switch, and electric actuator output drives the end that the touch handle main part removed to electric actuator working stroke and touches touch micro-gap switch with adjustable thickness and realize the spacing to electric actuator stroke. The invention can compensate the adverse effect of the reliable action stroke tolerance on the final working stroke of the electric actuator, achieves the aim of accurately adjusting the final working stroke of the actuator, and has the advantages of simple structure, obvious effect, low cost and high reliability.
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申请号:201911376707.1 公开号:CN110986650A 主分类号:F28D21/00
摘要:【中文】本发明提供了一种车用复合散热器,该散热器包括顺次连接的第一汇流排、散热器芯体以及第二汇流排。为了在一定风量和流体阻力情况下,提高散热器的综合性能,散热器采取方案如下:翅片采用流线型风翅片引导冷空气尽可能的沿预设的流线流动,消除尾部涡流降低流动阻力,达到流动阻力小,传热增强目的;油散热器管内传热系数相对较低,管内插入扰花丝强化油路传热效果,水散热器管内采用微直肋片,增加管内面积;研究表明:相比板翅式散热器,在同空间和散热功率下,散热器重量减轻了20%左右,同时耐腐蚀性增强,维护成本大大降低。 【EN】The invention provides a composite radiator for a vehicle, which comprises a first bus bar, a radiator core body and a second bus bar which are connected in sequence. In order to improve the comprehensive performance of the radiator under the condition of certain air volume and fluid resistance, the radiator adopts the following scheme: the fins adopt streamline wind fins to guide cold air to flow along preset streamlines as much as possible, tail eddy is eliminated, flowing resistance is reduced, and the purposes of small flowing resistance and heat transfer enhancement are achieved; the heat transfer coefficient in the oil radiator pipe is relatively low, the twisted wire is inserted into the pipe to strengthen the heat transfer effect of the oil circuit, and the micro straight fins are adopted in the water radiator pipe to increase the area in the pipe; the research shows that: compared with a plate-fin radiator, under the same space and heat dissipation power, the weight of the radiator is reduced by about 20%, meanwhile, the corrosion resistance is enhanced, and the maintenance cost is greatly reduced.
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