当前查询到12条专利与查询词 "Meng Xiangrong"相关,搜索用时0.281198秒!排序方式:
发明专利:7实用新型: 2外观设计: 3
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申请号:201911348533.8 公开号:CN111057060A 主分类号:C07D487/04
摘要:【中文】本发明公开了一种复合型哌嗪类重金属螯合剂TDDP的合成工艺,包括如下反应:以乙二胺和乙二醛为原料,在催化剂存在下发生缩合反应生成二并哌嗪;以有机碱四甲基胍为催化剂,二并哌嗪与二硫化碳、氢氧化钠反应生成TDDP;同时发生乙二胺与二硫化碳、氢氧化钠的反应生成EDTC。与现有技术相比,本发明的有益效果是:在设计的反应条件下,合成二并哌嗪后的溶液在制备TDDP同时,过量的乙二胺与二硫化碳、氢氧化钠进行反应生成另外一种重金属沉淀剂EDTC,使得制得的重金属螯合剂目标产品无需进行二次复配即可得到同时具有环状结构和线状结构去除重金属离子功能的去除剂,扩大了使用领域并且去除重金属离子效果尤为明显。 【EN】The invention discloses a synthesis process of a composite piperazine heavy metal chelating agent TDDP, which comprises the following reaction steps: using ethylenediamine and glyoxal as raw materials, and carrying out condensation reaction in the presence of a catalyst to generate piperazine; reacting piperazine with carbon disulfide and sodium hydroxide to generate TDDP by taking organic alkali tetramethylguanidine as a catalyst; simultaneously, the reaction of ethylenediamine, carbon disulfide and sodium hydroxide is carried out to generate EDTC. Compared with the prior art, the invention has the beneficial effects that: under the designed reaction condition, when the solution after the synthesis of the di-piperazine is used for preparing the TDDP, the excessive ethylenediamine, the carbon disulfide and the sodium hydroxide react to generate another heavy metal precipitator EDTC, so that the prepared heavy metal chelating agent target product can be used for obtaining the remover which has the function of removing heavy metal ions by virtue of an annular structure and a linear structure without secondary compounding, the use field is enlarged, and the effect of removing the heavy metal ions is particularly obvious.
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申请号:201911358532.1 公开号:CN111145188A 主分类号:G06T7/11
申请人:【中文】西安电子科技大学【EN】XIDIAN University 申请日:2019.12.25 公开日:2020.05.12
摘要:【中文】本发明公开了一种基于ResNet与UNet模型的图像分割方法,将原始的RGB三通道图像大小进行调整,并对应调整标签图像大小;将调整后的RGB图像作为UNet图像分割模块的输入;将调整后的RGB图像作为ResNet特征提取模块的输入,保留前三层的输出结果替换UNet第三、四、五层的输出结果;得到基于ResNet和UNet的图像分割训练模型,并对模型进行训练;将训练得到的模型参数作为预测模型,进行图像分割。本发明利用ResNet在特征提取方面的优势,提高图像分割的质量,解决单一UNet模型应用于图像分割易产生的特征提取不够准确,区域一致性差,边界模糊的问题。 【EN】The invention discloses an image segmentation method based on ResNet and UNet models, which adjusts the size of an original RGB three-channel image and correspondingly adjusts the size of a label image; the adjusted RGB image is used as the input of the UNet image segmentation module; the adjusted RGB image is used as the input of a ResNet feature extraction module, and the output results of the first three layers are reserved to replace the output results of the third, fourth and fifth layers of UNet; obtaining an image segmentation training model based on ResNet and UNet, and training the model; and performing image segmentation by using the model parameters obtained by training as a prediction model. The invention utilizes the advantages of ResNet in the aspect of feature extraction, improves the quality of image segmentation, and solves the problems of inaccurate feature extraction, poor region consistency and fuzzy boundary easily caused by applying a single UNet model to image segmentation.
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申请号:202010014815.0 公开号:CN111077423A 主分类号:G01R31/12
摘要:【中文】本发明公开一种固体绝缘材料界面介电性能测试装置及方法,所述装置包含压力调控装置、绝缘组件和电极组件;压力调控装置通过控制螺栓柱上螺母的紧固程度,配合高强度弹簧进行压力调控,为固体材料在界面处提供压力。绝缘组件保证电极组件与压力调控装置之间的绝缘性能。电极组件通过螺栓紧固的方式将电极与材料界面处紧密贴合。测试时,装置位于烘箱内。本发明能够有效抑制材料非界面侧的泄漏电流,压力示数实时显示,体积小,测试方法简单,操作方便,可以测试不同压力和不同温度下固体绝缘材料界面的介电性能。 【EN】The invention discloses a device and a method for testing dielectric property of a solid insulating material interface, wherein the device comprises a pressure regulating device, an insulating assembly and an electrode assembly; the pressure regulating device regulates and controls the pressure by controlling the fastening degree of the nut on the bolt column and matching with the high-strength spring, so as to provide pressure for the solid material at the interface. The insulating assembly ensures the insulating property between the electrode assembly and the pressure regulating device. The electrode assembly tightly attaches the electrode to the material interface by means of bolt fastening. During testing, the device is located in an oven. The invention can effectively inhibit the leakage current on the non-interface side of the material, displays the pressure readings in real time, has small volume, simple test method and convenient operation, and can test the dielectric properties of the solid insulating material interface under different pressures and different temperatures.
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申请号:201911337083.2 公开号:CN110959565A 主分类号:A01K61/80
摘要:【中文】本发明涉及一种双向投饵机及包含其的双向投饵平台,该双向投饵机包括外壳体,外壳体顶部面板中间部位设有进料口,外壳体内部分隔为两个料仓,外壳体底部左右两侧靠近两料仓底部分别设有一个出料口;两个导料机构,各导料机构包括导料电机、导料螺杆和导料管,导料管将下料区的底部和出料口连通,导料螺杆设于导料管中,导料电机设于料仓下部外侧并与导料螺杆驱动连接;导料螺杆转动可将饵料从下料区底部导入导料管进而从出料口流出。该双向投饵机可通过浮台安装在网箱的中间,从左右两侧向网箱中抛撒饵料,可有效提交投饵效率。本发明同时采用物联网技术,可实现远程控制投饵机的投饵操作,有效降低养殖人员的工作量。 【EN】The invention relates to a bidirectional bait casting machine and a bidirectional bait casting platform comprising the same, wherein the bidirectional bait casting machine comprises an outer shell, a feed inlet is formed in the middle of a panel at the top of the outer shell, the inner part of the outer shell is divided into two feed bins, and the left side and the right side of the bottom of the outer shell, which are close to the bottoms of the two feed bins, are respectively provided with a discharge outlet; each guide mechanism comprises a guide motor, a guide screw and a guide pipe, the guide pipe communicates the bottom of the blanking area with the discharge port, the guide screw is arranged in the guide pipe, and the guide motor is arranged on the outer side of the lower part of the storage bin and is in driving connection with the guide screw; the guide screw rod rotates and can lead bait into the guide pipe from the bottom of the blanking area and then flow out of the discharge hole. The bidirectional bait casting machine can be installed in the middle of the net cage through the floating platform, and can effectively submit the bait casting efficiency by casting baits into the net cage from the left side and the right side. The invention adopts the technology of Internet of things, can realize the bait casting operation of the remote control bait casting machine, and effectively reduces the workload of the breeding personnel.
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申请号:202010159604.6 公开号:CN111276984A 主分类号:H02J3/24
摘要:【中文】本发明公开了一种直流落地点近区电网一次调频分区协同控制的方法及系统,所述方法包括以下步骤:实时监测特高压直流线路的运行状态信号,并发送至直流落点近区参与一次调频协同控制的单元机组;对直流落地点近区进行一次调频补偿区域划分;生成直流落点近区单元机组一次调频控制指令,进行分区控制。本发明有效提升了电网的一次调频能力,缩短了电网频率恢复时间,保障了电网的安全稳定运行。 【EN】The invention discloses a method and a system for primary frequency modulation zone cooperative control of a direct current floor point near-zone power grid, wherein the method comprises the following steps: monitoring an operation state signal of an extra-high voltage direct current line in real time, and sending the operation state signal to a unit set participating in primary frequency modulation cooperative control in a direct current drop point near area; performing primary frequency modulation compensation area division on a near area of a direct current landing place; and generating a primary frequency modulation control instruction of the direct-current drop point near-zone unit set, and performing zone control. The invention effectively improves the primary frequency modulation capability of the power grid, shortens the frequency recovery time of the power grid and ensures the safe and stable operation of the power grid.
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申请号:201911168218.7 公开号:CN111063558A 主分类号:H01H1/56
摘要:【中文】本发明公开了一种双工位接触头结构装置,包括动触头基板、动力装置、至少一个动触头组以及分别位于所述动触头组两侧的第一静触点组和第二静触点组;动触头基板包括动触头滑动板和动触头驱动板,动触头滑动板连接在动触头驱动板的一侧,动触头驱动板朝触头滑动板的一侧设置有至少一个动触头固定部,动触头固定部与动触头组相对应;动触头滑动板上设置有滑轨组件,动触头组沿滑轨组件滑动,或动触头组与对应的动触头固定部固定连接;动力装置与动触头驱动板连接,动触头组基于动力装置驱动与第一静触点组或第二静触点组接触。本发明结构简单,零件少,运动可靠,体积小,成本低,适宜运用到油浸式有载分接开关内,大大缩小开关体积及变压体积。 【EN】The invention discloses a double-station contact head structure device which comprises a movable contact head substrate, a power device, at least one movable contact head group, a first fixed contact group and a second fixed contact group, wherein the first fixed contact group and the second fixed contact group are respectively positioned on two sides of the movable contact head group; the moving contact base plate comprises a moving contact sliding plate and a moving contact driving plate, the moving contact sliding plate is connected to one side of the moving contact driving plate, at least one moving contact fixing part is arranged on one side of the moving contact driving plate, which faces the moving contact sliding plate, and the moving contact fixing part corresponds to the moving contact group; the moving contact sliding plate is provided with a sliding rail component, the moving contact group slides along the sliding rail component, or the moving contact group is fixedly connected with the corresponding moving contact fixing part; the power device is connected with the moving contact driving plate, and the moving contact group is in contact with the first stationary contact group or the second stationary contact group based on the driving of the power device. The invention has simple structure, less parts, reliable movement, small volume and low cost, and is suitable for being applied to an oil-immersed on-load tap changer, thereby greatly reducing the volume of the switch and the volume of voltage transformation.
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申请号:201911169306.9 公开号:CN110994672A 主分类号:H02J3/38
摘要:【中文】本发明提供一种网源协调互动的AGC运行机组负荷变化速率优化方法和系统,通过实时采集机组运行参数,确定机组调节性能指标和安全指标,根据所述指标计算机组的紧急调用允许/禁止信号和紧急负荷调节速率信号;电力调度控制中心接收所述信号,根据当前全网功率调节需求,输出紧急调用投入/退出信号;切换模块根据机组自身的紧急调用允许/禁止信号和调度下发的紧急调用投入/退出信号,在正常负荷调节速率和紧急负荷调节速率进行切换,输出最终的机组负荷变化速率信号。本发明考虑电网当前调节需求的紧迫程度和机组的真实调节性能,动态对机组负荷调节速率进行管理,实现了网源协调控制,提高了电网频率的稳定性。 【EN】The invention provides a method and a system for optimizing the load change rate of an AGC (automatic gain control) running unit with network source coordination interaction, wherein the method comprises the steps of determining a unit regulation performance index and a safety index by acquiring unit running parameters in real time, and calculating an emergency call permission/prohibition signal and an emergency load regulation rate signal of the unit according to the indexes; the power dispatching control center receives the signal and outputs an emergency call input/exit signal according to the current power regulation requirement of the whole network; and the switching module switches between the normal load regulation rate and the emergency load regulation rate according to the emergency call enable/disable signal of the unit and the emergency call input/exit signal issued by scheduling, and outputs a final unit load change rate signal. The invention dynamically manages the load regulation rate of the unit by considering the urgency degree of the current regulation requirement of the power grid and the real regulation performance of the unit, realizes the network source coordination control and improves the stability of the power grid frequency.
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