当前查询到77条专利与查询词 "Fan Lijuan"相关,搜索用时0.4218881秒!排序方式:
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申请号:201910934972.0 公开号:CN110903467A 主分类号:C08G61/12
申请人:【中文】苏州大学【EN】SOOCHOW University 申请日:2019.09.29 公开日:2020.03.24
摘要:【中文】本发明涉及一种侧基含有罗丹明B单元的荧光共轭高分子、制备方法及其应用。将含有罗丹明B单元的单体和双癸基2,2'‑((2,5‑二乙炔基‑1,4‑亚苯基)双(氧))二乙酸酯单体通过Sonogashira偶联,得到一种侧基含有罗丹明B单元的荧光共轭高分子聚合物。本发明提供的聚合物,它的四氢呋喃溶液在激发波长分别为360nm和520nm的条件下,可用于水中铁离子(Fe3+)以及亚铁离子(Fe2+)的选择性检测,具有良好的抗干扰能力。检测时,采用双激发的方式,将两处最大发射波长处的荧光强度比值作为结果输出,可有效降低环境因素引起的误差,提高检测精确。 【EN】The invention relates to a fluorescent conjugated polymer with a rhodamine B unit on a side group, a preparation method and application thereof. The monomer containing the rhodamine B unit and the didecyl 2,2' - ((2, 5-diacetylene-1, 4-phenylene) bis (oxy)) diacetate monomer are coupled through Sonogashira to obtain the fluorescent conjugated high polymer with the rhodamine B unit on the side group. The polymer provided by the invention can be used for iron ions (Fe) in water under the conditions that the excitation wavelength of a tetrahydrofuran solution of the polymer is 360nm and 520nm respectively3+) And ferrous iron (Fe)2+) The method has good anti-interference capability. During detection, a double-excitation mode is adopted, the ratio of the fluorescence intensities at the maximum emission wavelengths at two positions is output as a result, and error caused by environmental factors can be effectively reducedPoor, improving detection accuracy.
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申请号:201911269178.5 公开号:CN110943456A 主分类号:H02J3/01
摘要:【中文】本发明公开一种LCC‑HVDC系统小信号谐波状态空间建模方法及装置,包括以下步骤:基于6脉波LCC换流器开关函数理论,得到12脉波LCC换流站的数学表达式;交流滤波器采用CIGRE标准测试模型中的结构,根据交流主回路与滤波器结构得到交流系统状态空间方程;12脉波LCC换流站的数学表达式通过结合LCC‑HVDC单端等效电路,推导出直流系统数学模型;联立交流系统状态空间方程和直流系统数学模型,获得小信号状态空间模型;通过小信号状态空间模型获取对应的系数矩阵具体表达式;将系数矩阵具体表达式变换得到LCC‑HVDC系统小信号谐波状态空间模型。本发明的有益效果是:防止电气设备受损,确保电网稳定运行。 【EN】The invention discloses a small signal harmonic state space modeling method and a small signal harmonic state space modeling device for an LCC-HVDC system, wherein the method comprises the following steps of: obtaining a mathematical expression of a 12-pulse LCC converter station based on a 6-pulse LCC converter switching function theory; the alternating current filter adopts a structure in a CIGRE standard test model, and an alternating current system state space equation is obtained according to the alternating current main loop and the filter structure; the mathematical expression of the 12-pulse LCC converter station is combined with the LCC-HVDC single-ended equivalent circuit to deduce a direct current system mathematical model; simultaneously establishing an alternating current system state space equation and a direct current system mathematical model to obtain a small signal state space model; acquiring a corresponding coefficient matrix specific expression through a small signal state space model; and transforming the specific expression of the coefficient matrix to obtain a small signal harmonic state space model of the LCC-HVDC system. The invention has the beneficial effects that: prevent that electrical equipment from damaging, ensure the electric wire netting steady operation.
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申请号:201911269140.8 公开号:CN111030156A 主分类号:H02J3/36
摘要:【中文】本发明公开一种LCC‑HVDC谐波等效电路建模方法及装置,包括以下步骤:S1,进行直流侧谐波电路等效,获取6脉动换流器整流站直流侧的等效电路模型;S2,通过S1所述的6脉动换流器整流站直流侧的等效电路模型,推导出12脉动换流器整流站直流侧的等效电路模型;S3,使用平均电感Leqr代替换流器电感曲线的脉动电感,并在6脉动换流器的基础上通过所述平均电感Leqr求得12脉动换流器的等效漏感Leqr2。本发明的有益效果是:综合考虑换流器整流站变压器的漏感造成的换相过程,即计及换相过程的影响,分析全面,贴合实际工况,适用于6/12脉动换流器,抑制高压直流输电系统产生谐波。 【EN】The invention discloses a method and a device for modeling an LCC-HVDC harmonic equivalent circuit, which comprises the following steps: s1, carrying out direct current side harmonic circuit equivalence to obtain an equivalent circuit model of the direct current side of the 6-pulse converter rectifying station; s2, deducing an equivalent circuit model of the DC side of the rectifier station of the 12-pulse converter through the equivalent circuit model of the DC side of the rectifier station of the 6-pulse converter stated in S1; s3, average inductance L is usedeqrThe ripple inductance of the inductance curve of the converter is replaced and passes through the average inductance L on the basis of 6 ripple converterseqrCalculating the equivalent leakage inductance L of a 12-pulse convertereqr2. The invention has the beneficial effects that: the method comprehensively considers the commutation process caused by the leakage inductance of the transformer of the rectifier station of the converter, namely the influence of the commutation process, has comprehensive analysis, is suitable for 6/12 pulse converters, and is suitable for inhibiting harmonic waves generated by a high-voltage direct-current power transmission system, and the practical working condition is met.
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申请号:201911277616.2 公开号:CN111046558A 主分类号:G06F30/20
摘要:【中文】本发明公开一种电力设备宽频模型杂散参数获取方法及装置,S1,基于电力设备的宽频等效电路,获取包含了电力设备各个杂散参数的阻抗表达式f(s),并且将f(s)表达为有理分数形式;S2,基于S1的阻抗表达式f(s),在不同频率点下测取电力设备的阻抗,得到电力设备宽频带的阻抗‑频率特性数据F(s);S3,根据在各频率点f(s)=F(s),构造超定方程;S4,采用最小二乘法求解求解S3中的超定方程的最优解,得到未知数矩阵x中的所有项;S5,根据未知数矩阵x与电力设备中元件的对应关系,对电力设备宽频模型中各元件的杂散参数进行求解。本发明的有益效果是:快速、有效地得到电力设备宽频模型中各个参数的数值,从而指导电力设备中各参数的调整,避免电力设备受损。 【EN】The invention discloses a method and a device for acquiring stray parameters of a broadband model of power equipment, S1, acquiring an impedance expression f (S) containing all the stray parameters of the power equipment based on a broadband equivalent circuit of the power equipment, and expressing the f (S) into a rational fraction form; s2, measuring the impedance of the power equipment at different frequency points based on the impedance expression f (S) of S1 to obtain impedance-frequency characteristic data F (S) of the broadband of the power equipment; s3, constructing an overdetermined equation from the frequency points f (S) ═ f (S); s4, solving the optimal solution of the over-determined equation in the S3 by adopting a least square method to obtain all items in an unknown matrix x; and S5, solving the stray parameters of each element in the power equipment broadband model according to the corresponding relation between the unknown number matrix x and the elements in the power equipment. The invention has the beneficial effects that: the numerical values of all parameters in the power equipment broadband model are quickly and effectively obtained, so that the adjustment of all parameters in the power equipment is guided, and the damage of the power equipment is avoided.
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申请号:202010190083.0 公开号:CN111172318A 主分类号:C12Q1/6895
申请人:【中文】乐山师范学院【EN】LESHAN NORMAL University 申请日:2020.03.18 公开日:2020.05.19
摘要:【中文】本发明公开了一种用于濒危肉果秤锤树分子鉴定的rpl32‑trnL分子标记及其应用。该分子标记为如SEQ ID NO.1所示的核苷酸序列。本发明提供了一种用于对肉果秤锤树进行分子鉴定的rpl32‑trnL分子标记。该分子标记是在肉果秤锤树叶绿体全基因组序列测序和组装的基础上,通过比较秤锤树属植物叶绿体全基因组序列,分析筛选高变区域,然后以含有高变区的DNA片段作为设计引物的DNA模板,通过引物设计软件自主设计PCR引物,PCR扩增验证开发的分子标记。该分子标记可在物种水平上对肉果秤锤树进行鉴定,为今后种质资源的保护和生物多样性的检测提供重要信息。 【EN】The invention discloses an rpl32-trnL molecular marker for molecular identification of endangered fruit sinojackia xylocarpa and application thereof. The molecular marker is a nucleotide sequence shown as SEQ ID NO. 1. The invention provides an rpl32-trnL molecular marker for molecular identification of sinojackia carnea. The molecular marker is a molecular marker developed by comparing the sequence of the whole genome of the chloroplast of the sinojackia carnosa on the basis of sequencing and assembling the whole genome sequence of the chloroplast of the sinojackia carnosa, analyzing and screening hypervariable regions, then taking a DNA fragment containing the hypervariable regions as a DNA template for designing primers, autonomously designing PCR primers through primer design software, and verifying PCR amplification. The molecular marker can identify the sinojackia carnosa on the species level, and provides important information for the protection of germplasm resources and the detection of biodiversity in the future.
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申请号:201911348869.4 公开号:CN111077372A 主分类号:G01R27/02
摘要:【中文】本发明公开了一种交直流输电系统谐波阻抗测定方法及系统,该方法包括S1、采集获取电力SCADA中的实时数据,以计算出交直流输电系统所需计算元件的当前运行工况下的谐波阻抗值;S2、对步骤S1所计算得到的所需计算元件的当前运行工况下的谐波阻抗值采用常规交流系统谐波阻抗计算方法,分别计算交流系统和直流输电系统中不同观测节点在不同频率下的谐波阻抗值。本发明通过利用现场实时数据计算各元件当前运行工况下的谐波阻抗值,然后利用常规交流系统谐波阻抗计算方法,可以得到不同观测节点在不同频率下的谐波阻抗值,而且结果准确有效,从而有利于保证输电系统的正常运。 【EN】The invention discloses a method and a system for measuring harmonic impedance of an alternating current and direct current power transmission system, wherein the method comprises the steps of S1, acquiring real-time data in an electric power SCADA (supervisory control and data acquisition) system to calculate a harmonic impedance value of a calculation element required by the alternating current and direct current power transmission system under the current operation condition; and S2, respectively calculating the harmonic impedance values of different observation nodes in the alternating current system and the direct current transmission system under different frequencies by adopting a conventional alternating current system harmonic impedance calculation method for the harmonic impedance values of the required calculation elements calculated in the step S1 under the current operation condition. According to the invention, the harmonic impedance values of each element under the current operation working condition are calculated by using the field real-time data, and then the harmonic impedance values of different observation nodes under different frequencies can be obtained by using the conventional alternating current system harmonic impedance calculation method, and the result is accurate and effective, so that the normal operation of a power transmission system is ensured.
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申请号:201911217659.1 公开号:CN110859388A 主分类号:A45C11/16
申请人:【中文】黎明职业大学【EN】Liming Vocational University 申请日:2019.12.03 公开日:2020.03.06
摘要:【中文】本发明涉及一种磁性防盗首饰盒,包括呈方形的盒体和盒盖,盒盖置于盒体的上端,盒盖的一端部与盒体的一端部合页式连接;盒体的另一端部和盒盖的另一端部通过锁扣可拆卸连接;盒盖对盒体内放置首饰的槽体进行封盖;盒体一侧壁上端部内设置有磁铁,盒盖内对应磁铁的上方设置有磁场传感器,盒盖内还设置有微处理器和扬声器,磁场传感器与微处理器通过线路连接;微处理器与扬声器通过线路连接。相对现有技术,本发明实时监控盒盖的状态,能控制扬声器进行报警,提升磁性防盗首饰盒的安全性,提升防盗性能。 【EN】The invention relates to a magnetic anti-theft jewel box, which comprises a square box body and a box cover, wherein the box cover is arranged at the upper end of the box body, and one end part of the box cover is connected with one end part of the box body in a hinge manner; the other end of the box body and the other end of the box cover are detachably connected through a lock catch; the box cover is used for sealing a groove body for placing the jewelry in the box body; a magnet is arranged in the upper end part of one side wall of the box body, a magnetic field sensor is arranged in the box cover corresponding to the upper part of the magnet, a microprocessor and a loudspeaker are also arranged in the box cover, and the magnetic field sensor is connected with the microprocessor through a line; the microprocessor is connected with the loudspeaker through a line. Compared with the prior art, the magnetic anti-theft jewel box has the advantages that the state of the box cover is monitored in real time, the loudspeaker can be controlled to give an alarm, the safety of the magnetic anti-theft jewel box is improved, and the anti-theft performance is improved.
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申请号:201911232974.1 公开号:CN110854784A 主分类号:H02G9/02
摘要:【中文】一种具有灭火功能的电缆沟盖板,涉及变电设备领域,包括盖板,所述盖板放置在电缆沟上,所述电缆沟两侧设有导向槽,所述导向槽内放置有若干盖板,所述盖板两侧设有用于连接相邻盖板的插入机构及插槽,在盖板底部设有灭火组件。本发明可解决传统电缆沟盖板与盖板间容易产生缝隙,无法嵌入电缆沟盖板槽的问题,利用开关的设计拆卸安装更方便,利用插入机构与插槽设计,缝隙更小,灭火组件的设计可自动检测并灭火,消除安全隐患。 【EN】The utility model provides a cable trench cover with function of putting out a fire, relates to the substation equipment field, including the apron, the apron is placed on the cable pit, the cable pit both sides are equipped with the guide way, a plurality of apron have been placed in the guide way, the apron both sides are equipped with insertion mechanism and the slot that is used for connecting adjacent apron, are equipped with the subassembly of putting out a fire in the apron bottom. The invention can solve the problems that a gap is easily generated between the traditional cable trench cover plate and the cable trench cover plate groove can not be embedded, the design and the disassembly and the installation of the switch are more convenient, the design of the insertion mechanism and the slot is utilized, the gap is smaller, the design of the fire extinguishing assembly can automatically detect and extinguish fire, and the potential safety hazard is eliminated.
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申请号:201910726394.1 公开号:CN110877581A 主分类号:B60R16/02
摘要:【中文】本发明公开了一种儿童乘车看护方法、装置、车辆及存储介质,该方法包括:接收用户触发的进入儿童看护模式指令,在后排儿童显示装置中,播放与乘车儿童年龄对应的多媒体文件,通过图像获取装置获取乘车儿童的行为图像,并将儿童的行为图像发送至用户视野内的显示装置中,在用户视野内的显示装置中显示乘车儿童的行为图像。在儿童乘车过程中,一方面,通过播放的与乘车儿童年龄对应的多媒体文件使儿童的注意力集中,让儿童能够自娱自乐,不会做出危害驾驶安全的行为,另一方面,可以使用户定时监控乘车儿童的行为,在乘车儿童做出危害驾驶安全的行为之前,及时制止,提高驾驶安全性。因此,本实施例提供的儿童乘车看护方法可以提高驾驶安全性。 【EN】The invention discloses a method and a device for nursing a child during riding, a vehicle and a storage medium, wherein the method comprises the following steps: receiving a child nursing mode entering instruction triggered by a user, playing a multimedia file corresponding to the age of a child in a car in a rear child display device, acquiring a behavior image of the child in the car through an image acquisition device, sending the behavior image of the child to a display device in the visual field of the user, and displaying the behavior image of the child in the visual field of the user in the display device. In the process of taking a car for children, on the one hand, the attention of children is concentrated through the played multimedia files corresponding to the ages of the children taking the car, so that the children can play themselves and do not make behaviors harmful to driving safety, on the other hand, the user can monitor the behaviors of the children taking the car regularly, and the behaviors are stopped in time before the children taking the car make the behaviors harmful to driving safety, and the driving safety is improved. Therefore, the child riding care method provided by the embodiment can improve the driving safety.
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申请号:201911347882.8 公开号:CN110986467A 主分类号:F25D23/00
摘要:【中文】本发明涉及一种框体结构和冰箱。框体结构安装在冰箱的壳体内,框体结构包括:并排分布的第一支撑件、第二支撑件,以及设置于第一支撑件和第二支撑件之间的第一挡风件;第一支撑件和第二支撑件之间配合形成加热器安装位和蒸发器安装位,且加热器安装位、蒸发器安装位和第一挡风件由下至上依次分布。框体结构的第一挡风板可以减慢经加热器加热后的热空气的上涌速度,延长该热空气流经蒸发器的时间,可提高对蒸发器的化霜效率,也可缩短加热器的工作时间,进而可降低加热器的能耗,使得冰箱节能省电。 【EN】The invention relates to a frame structure and a refrigerator. Frame structure installs in the casing of refrigerator, and frame structure includes: the wind shielding device comprises a first supporting piece, a second supporting piece and a first wind shielding piece, wherein the first supporting piece and the second supporting piece are distributed in parallel; the first supporting piece and the second supporting piece are matched to form a heater installation position and an evaporator installation position, and the heater installation position, the evaporator installation position and the first wind shielding piece are sequentially distributed from bottom to top. The first wind shield of the frame structure can slow down the upwelling speed of the hot air heated by the heater, prolong the time of the hot air flowing through the evaporator, improve the defrosting efficiency of the evaporator, shorten the working time of the heater, reduce the energy consumption of the heater and save energy and electricity of the refrigerator.
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