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申请号:201911424297.3 公开号:CN111078018A 主分类号:G06F3/01
摘要:【中文】本发明公开一种显示器的触摸控制方法,包括:在通过激光传感器的接收组件接收到反射信号后,根据激光信号以及所述反射信号生成图像;根据图像获取用户的手势信息;执行所述手势信息对应的控制操作。本发明还公开一种终端设备以及计算机可读存储介质。本发明通过激光传感器的接收组件接收的反射信号,根据反射信号以及激光信号获取用户的手势信息,执行手势信息对应的控制操作,在不需要替换显示屏的基础上,实现非触摸屏的触控功能,具有成本低、响应快的有益效果。 【EN】The invention discloses a touch control method of a display, which comprises the following steps: after receiving a reflection signal through a receiving component of a laser sensor, generating an image according to the laser signal and the reflection signal; acquiring gesture information of a user according to the image; and executing the control operation corresponding to the gesture information. The invention also discloses a terminal device and a computer readable storage medium. According to the invention, the reflected signal received by the receiving component of the laser sensor is used for acquiring the gesture information of the user according to the reflected signal and the laser signal, the control operation corresponding to the gesture information is executed, the touch function of the non-touch screen is realized on the basis of not replacing the display screen, and the advantages of low cost and quick response are achieved.
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申请号:201911311667.2 公开号:CN111159936A 主分类号:G06F30/23
申请人:【中文】东南大学【EN】SOUTHEAST University 申请日:2019.12.18 公开日:2020.05.15
摘要:【中文】本发明公开了一种基于广义时域有限差分的电缆接头热场计算方法。此发明包括以下步骤:建立电缆接头的模型,热场场域由发热源及数种导热能力各不相同的材料构成;以导热微分方程为热场场域内部点的数值计算方程;边界条件包括狄利克雷边界条件和纽曼边界条件;采用广义时域有限差分方法,对热场场域在空间和时间尺度上进行离散化,求出下一时刻场域内温度的分布。通过反复计算,便可模拟温度分布关于时间的变化。相较于传统的差分方法,本发明中采用的广义时域有限差分法是一种无网格的时变差分数值计算方法,既可以根据场域内不同材料的几何特征进行自由布点,以降低计算的复杂度,又可以兼顾热场分布在空间和时间两种尺度上的变化。 【EN】The invention discloses a cable joint thermal field calculation method based on generalized time domain finite difference. The invention comprises the following steps: establishing a model of a cable joint, wherein a thermal field is composed of a heating source and a plurality of materials with different heat conduction capacities; taking a heat conduction differential equation as a numerical calculation equation of an internal point of a thermal field domain; the boundary conditions comprise Dirichlet boundary conditions and Newman boundary conditions; and discretizing the thermal field domain on a space and time scale by adopting a generalized time domain finite difference method to obtain the temperature distribution in the field domain at the next moment. By repeating the calculation, the change of the temperature distribution with respect to time can be simulated. Compared with the traditional difference method, the generalized time-domain finite difference method adopted in the invention is a time-varying difference numerical calculation method without a grid, which can carry out free point distribution according to the geometric characteristics of different materials in a field so as to reduce the complexity of calculation and also can consider the change of thermal field distribution on two scales of space and time.
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申请号:201911312912.1 公开号:CN111159866A 主分类号:G06F30/20
申请人:【中文】东南大学【EN】SOUTHEAST University 申请日:2019.12.18 公开日:2020.05.15
摘要:【中文】本发明公开了一种基于随机漫步理论的复合绝缘子电弧预测方法,包括以下步骤:建立复合绝缘子模型,规定绝缘子尺寸、电极电压等参数,计算复合绝缘子周围的电场及热场的数值分布,根据电场强度大小判断绝缘子周围空气是否达到击穿条件,根据各个方向的电场强度大小计算电弧下一时刻向各个发展方向的概率,通过电、热场实时计算电弧的能量注入及耗散,以电弧导通两极或中途能量耗尽作为电弧闪络或熄灭的判据。通过迭代计算,可以模拟出电弧在空气中发展的随机过程,多次重复该过程可推断电弧轨迹分布的特征。 【EN】The invention discloses a composite insulator arc prediction method based on a random walk theory, which comprises the following steps: establishing a composite insulator model, specifying parameters such as insulator size, electrode voltage and the like, calculating the numerical distribution of an electric field and a thermal field around the composite insulator, judging whether air around the insulator reaches a breakdown condition according to the magnitude of the electric field intensity, calculating the probability of the electric arc to each development direction at the next moment according to the magnitude of the electric field intensity in each direction, calculating the energy injection and dissipation of the electric arc in real time through the electric field and the thermal field, and taking the energy exhaustion of two poles or middle part of the electric arc as the criterion of arc flashover or extinction. Through iterative calculation, a random process of the arc developing in the air can be simulated, and characteristics of the arc track distribution can be deduced by repeating the process for many times.
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申请号:201911402586.3 公开号:CN110940358A 主分类号:G01C25/00
摘要:【中文】本发明公开了一种激光雷达和惯导联合标定的装置及标定方法,所述激光雷达和惯导联合标定的装置,其包括托盘、液压缸Ⅰ、液压缸Ⅱ;所述的托盘下端的四个角各垂直连接一个液压缸Ⅰ;所述的托盘下端中部通过万向头连接液压缸Ⅱ。所述激光雷达和惯导联合标定的标定方法通过上述装置使车辆在各个维度上都能有较大变化,并记录惯导位姿数据,然后通过激光雷达点云匹配算法获得获得激光雷达的帧间位姿,最后通过非线性优化求解标定结果,获得精确的激光雷达和惯导的外参,进而提高激光雷达和惯性导航的联合标定的标定精度。 【EN】The invention discloses a laser radar and inertial navigation combined calibration device and a calibration method, wherein the laser radar and inertial navigation combined calibration device comprises a tray, a hydraulic cylinder I and a hydraulic cylinder II; four corners of the lower end of the tray are respectively and vertically connected with a hydraulic cylinder I; the middle part of the lower end of the tray is connected with a hydraulic cylinder II through a universal head. According to the calibration method for the laser radar and inertial navigation combined calibration, vehicles can have large changes in all dimensions through the device, inertial navigation pose data are recorded, inter-frame poses of the laser radar are obtained through a laser radar point cloud matching algorithm, and finally a calibration result is solved through nonlinear optimization, so that accurate external parameters of the laser radar and the inertial navigation are obtained, and further the calibration precision of the laser radar and inertial navigation combined calibration is improved.
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申请号:201911234313.2 公开号:CN110968676A 主分类号:G06F16/33
申请人:【中文】天津大学【EN】Tianjin University 申请日:2019.12.05 公开日:2020.04.07
摘要:【中文】本发明公开一种基于LDA模型与LSTM网络的文本数据语义时空模式探索方法,包括以下步骤:(1)集成主题模型;包括主题生成、主题质量评估和主题降维投影;使用LDA主题模型对文本数据提取语义,通过迭代不同参数生成主题模型,对主题模型进行质量评估后选择优质主题进行集成,以解决参数对模型质量的影响;(2)构建主题时空体;将文本数据中的时间、空间和文本主题数据转换成立方体数据结构;(3)可视交互与预测;具体包括主题投影视图、时空投影视图和模式对比视图;用于对主题时空体提供可视化交互探索,使用可视化的方式方便用户对数据结果进行探索;并使用LSTM方法预测未来时间段的数值变化。 【EN】The invention discloses a text data semantic spatio-temporal pattern exploration method based on an LDA (latent dirichlet allocation) model and an LSTM (least Square TM) network, which comprises the following steps of: (1) integrating the subject model; generating a theme, evaluating the quality of the theme and projecting the reduced dimension of the theme; extracting semantics from the text data by using an LDA topic model, generating a topic model by iterating different parameters, and selecting a preferred topic for integration after performing quality evaluation on the topic model so as to solve the influence of parameters on the quality of the model; (2) constructing a theme space-time body; converting time, space and text subject data in the text data into a cubic data structure; (3) visual interaction and prediction; the system specifically comprises a theme projection view, a space-time projection view and a mode contrast view; the system is used for providing visual interactive exploration for the theme space-time body, and a visual mode is used for facilitating the exploration of a data result by a user; and predicting the value change for the future time period using the LSTM method.
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申请号:201911320900.3 公开号:CN111002870A 主分类号:B60L58/22
摘要:【中文】本发明公开了一种新能源车BMS系统的主动均衡控制方法,属于BMS领域,BMS系统包括从控模块、主控模块,从控模块与电池组电性连接,具体包括以下步骤:在未收到均衡命令前,BMS系统的电池组脱离均衡电路,将采样电阻两端的电压记为V1;若收到有效的均衡命令,从控模块根据均衡命令,选择对应的单体电池,并控制为其均衡充/放电;采集采样电阻两端的电压V2,根据电压V1和电压V2计算出均衡电流;判断均衡电流是否过载,即判断均衡电流的数值大小和电流方向是否符合设定,若否,认定均衡条件出错,均衡命令无效,否则对均衡电流进行PID调节。本发明通过对均衡电流进行PID调节,实现主动均衡的安全、高效、精确控制。 【EN】The invention discloses an active equalization control method of a BMS (Battery management System) of a new energy vehicle, belonging to the BMS field, wherein the BMS comprises a slave control module and a master control module, the slave control module is electrically connected with a battery pack, and the active equalization control method specifically comprises the following steps: before receiving no balancing command, the battery pack of the BMS system is separated from the balancing circuit, and the voltage at two ends of the sampling resistor is recorded as V1; if a valid equalization command is received, the slave control module selects the corresponding single battery according to the equalization command and controls the single battery to be charged/discharged in an equalization mode; collecting voltage V2 at two ends of the sampling resistor, and calculating the balance current according to the voltage V1 and the voltage V2; and judging whether the equalizing current is overloaded or not, namely judging whether the numerical value and the current direction of the equalizing current accord with the set values or not, if not, determining that the equalizing condition is wrong and the equalizing command is invalid, and otherwise, carrying out PID (proportion integration differentiation) adjustment on the equalizing current. The invention realizes the safe, efficient and accurate control of active equalization by carrying out PID adjustment on the equalization current.
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申请号:201911406834.1 公开号:CN111004678A 主分类号:C11B1/04
摘要:【中文】本发明属于脂肪酸提取技术领域,具体涉及一种从薏苡仁麸皮中提取脂肪酸的方法。本发明提供了一种从薏苡仁麸皮中提取脂肪酸的方法,包括以下步骤:提供破壁薏苡仁麸皮浆液;将所述破壁薏苡仁麸皮浆液和复合酶混合,依次进行pH值调节、酶解处理和灭酶处理,得到酶解液;将所述酶解液进行浓缩,得到浓缩液;将所述浓缩液和提取剂混合,依次进行提取处理和纯化处理,得到脂肪酸。实验结果表明,由本发明提供的方法得到的脂肪酸平均得率为39.13~45.01%,脂肪酸平均得率高;且本发明提供的方法工艺简单,便于操作和推广,具有极高的产业价值。 【EN】The invention belongs to the technical field of fatty acid extraction, and particularly relates to a method for extracting fatty acid from coix seed bran. The invention provides a method for extracting fatty acid from coix seed bran, which comprises the following steps: providing wall-broken coix seed bran slurry; mixing the wall-broken coix seed bran slurry and a complex enzyme, and sequentially carrying out pH value adjustment, enzymolysis treatment and enzyme deactivation treatment to obtain an enzymolysis solution; concentrating the enzymolysis liquid to obtain a concentrated solution; and mixing the concentrated solution with an extracting agent, and sequentially performing extraction treatment and purification treatment to obtain the fatty acid. The experimental result shows that the average yield of the fatty acid obtained by the method provided by the invention is 39.13-45.01%, and the average yield of the fatty acid is high; the method provided by the invention has the advantages of simple process, convenience in operation and popularization and extremely high industrial value.
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申请号:201911268608.1 公开号:CN111047974A 主分类号:G09F9/00
申请人:【中文】深圳市洲明科技股份有限公司【EN】Unilumin Group Co.,Ltd. 申请日:2019.12.11 公开日:2020.04.21
摘要:【中文】本发明涉及连接结构、连接组件和显示屏,用于连接第一基体和第二基体,包括限位件、第一连接件和第二连接件,限位件的一端用于与第一基体连接,限位件远离第一基体的一端开设有限位孔,第一连接件的一端用于与第二基体连接,第一连接件的另一端穿设限位孔,并与第二连接件连接,且第一连接件活动设置于限位孔内,第二连接件活动抵接于限位件远离限位孔的位置。第一连接件和第二连接件连接时,能够避免第一基体和第二基体分别朝相背的方向运动,同时,限位孔内存在给第一连接件活动的缓冲空间,也即第一连接件与限位孔的壁部之间具有旷量,从而避免第一连接件和限位件因受力而断裂。 【EN】The invention relates to a connecting structure, a connecting assembly and a display screen, which are used for connecting a first base body and a second base body and comprise a limiting piece, a first connecting piece and a second connecting piece, wherein one end of the limiting piece is used for being connected with the first base body, one end of the limiting piece, which is far away from the first base body, is provided with a limiting hole, one end of the first connecting piece is used for being connected with the second base body, the other end of the first connecting piece penetrates through the limiting hole and is connected with the second connecting piece, the first connecting piece is movably arranged in the limiting hole, and the second connecting piece is movably abutted against the position, far away from the. When first connecting piece and second connecting piece are connected, can avoid first base member and second base member to move towards the direction of carrying on the back mutually respectively, simultaneously, spacing downthehole buffering space that gives the activity of first connecting piece that exists, also has spacious volume between the wall portion in first connecting piece and spacing hole promptly to avoid first connecting piece and locating part because of the atress fracture.
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申请号:202010004786.X 公开号:CN111148095A 主分类号:H04W12/00
申请人:【中文】华为技术有限公司【EN】HUAWEI TECHNOLOGIES Co.,Ltd. 申请日:2020.01.03 公开日:2020.05.12
摘要:【中文】本发明涉及一种用于在终端和无线接入点之间建立Wi‑Fi连接的方法,包括以下步骤:无线接入点生成并分发待获取的临时密码;终端获取临时密码,并向无线接入点发送探测请求,其中探测请求携带有加密后的待认证的临时密码;无线接入点接收来自终端的探测请求,校验加密后的待认证的临时密码;无线接入点发送探测响应至终端并开启WPS会话,其中探测响应携带有认证成功的通知;终端接收来自无线接入点的探测响应并开启WPS会话,其中,终端和无线接入点开启的WPS会话用于建立Wi‑Fi连接。该建立Wi‑Fi连接的方法能够增强网络安全性,且用户操作简便,学习成本低。 【EN】The invention relates to a method for establishing a Wi-Fi connection between a terminal and a wireless access point, comprising the following steps: the wireless access point generates and distributes a temporary password to be acquired; the terminal acquires the temporary password and sends a detection request to the wireless access point, wherein the detection request carries the encrypted temporary password to be authenticated; the wireless access point receives a detection request from a terminal and verifies the encrypted temporary password to be authenticated; the wireless access point sends a detection response to the terminal and starts the WPS session, wherein the detection response carries a notification of successful authentication; and the terminal receives the detection response from the wireless access point and starts the WPS session, wherein the WPS session started by the terminal and the wireless access point is used for establishing the Wi-Fi connection. The method for establishing the Wi-Fi connection can enhance the network security, and is simple and convenient for user operation and low in learning cost.
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申请号:202010230928.4 公开号:CN111261062A 主分类号:G09F9/33
申请人:【中文】深圳市洲明科技股份有限公司【EN】Unilumin Group Co.,Ltd. 申请日:2020.03.27 公开日:2020.06.09
摘要:【中文】本发明公开了一种LED模组覆胶工艺和LED模组,属于LED显示屏技术领域。该覆胶工艺包括以下步骤:对插件灯的灯脚进行覆胶;待胶水固化后,将所述插件灯安装固定在PCB板上;对所述PCB板的表面进行覆胶;该LED模组包括插件灯和PCB板,插件灯包括灯脚,该LED模组采用所述的LED模组覆胶工艺进行覆胶。本发明中的覆胶工艺,由于先完成了对灯脚的覆胶,实现了对灯脚的有效防护,因此,在后续对PCB板的表面进行覆胶时不需要厚的胶层,只需要相对现有工艺产生的胶层薄很多的胶层,即可完成整个PCB板及灯脚的全覆盖,实现少量胶水防护整个灯面和插件灯的灯脚的目标,大大减少胶水消耗量,显著减轻LED模组的重量。 【EN】The invention discloses an LED module and a glue coating process thereof, and belongs to the technical field of LED display screens. The glue coating process comprises the following steps: coating glue on lamp pins of the plug-in lamp; after the glue is solidified, mounting and fixing the plug-in lamp on the PCB; coating glue on the surface of the PCB; the LED module comprises a plug-in lamp and a PCB, wherein the plug-in lamp comprises a lamp pin, and the LED module is coated with glue by adopting the LED module coating process. According to the glue coating process, since the glue coating of the lamp pins is completed firstly, the effective protection of the lamp pins is realized, so that the whole PCB and the lamp pins can be completely covered without a thick glue layer when the surface of the PCB is subsequently coated with glue, only a plurality of thinner glue layers are needed compared with the glue layers generated by the prior art, the aim of protecting the whole lamp surface and the lamp pins of the plug-in lamp by a small amount of glue is realized, the glue consumption is greatly reduced, and the weight of the LED module is remarkably reduced.
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