摘要：【中文】本发明公开了一种监控视频中的动态背景提取及前景物体检测方法及系统，获取第一帧的原始背景以及获取待测帧；用待测帧减去背景帧得到处理帧；判定区别处理帧中的前景部分和背景部分；将所述背景部分更新到背景帧部分，从所述前景部分提取感兴趣的部分；将背景中存在时间最久的像素点的值移出，移入最新判定为背景部分的像素点的值；通过多帧背景点共同提取背景帧的方法获得背景。优点：本发明够从有前景物体覆盖的监控画面中提取完整背景，以获取可能被遮挡的标志，还能应对光线等因素不断变化情况下的前景物体检测。 【EN】The invention discloses a method and a system for extracting a dynamic background and detecting a foreground object in a surveillance video, which are used for acquiring an original background of a first frame and acquiring a frame to be detected; subtracting the background frame from the frame to be detected to obtain a processing frame; judging a foreground part and a background part in a distinguishing processing frame; updating the background portion to a background frame portion, extracting a portion of interest from the foreground portion; shifting out the value of the pixel point with the longest existence time in the background, and shifting the value of the pixel point which is newly determined as the background part; and obtaining the background by a method of extracting background frames from a plurality of frames of background points together. The advantages are that: the invention can extract the complete background from the monitoring picture covered by the foreground object to obtain the possibly shielded mark and can also cope with the detection of the foreground object under the condition that the factors such as light rays and the like are constantly changed.

摘要：【中文】本发明公开了一种便携式单粒出药药瓶。结构包括药瓶外壳、内部储药筒、出药轴、固定轴和弹簧等；所述药瓶外壳包括外壳上端瓶盖和下端瓶体，瓶盖采用螺旋式连接；所述内部储药筒包括出药盖、药筒体等；所述出药轴包括装药凹台、铰链、铰链、梯形凸起和长方形凸起；用户可随时随地通过旋开瓶盖，按压储药筒获得单粒药片。极大程度上方便携带，使服药过程更加人性化和安全卫生。 【EN】The invention discloses a portable single-grain medicine discharging medicine bottle. The structure comprises a medicine bottle shell, an internal medicine storage cylinder, a medicine outlet shaft, a fixed shaft, a spring and the like; the medicine bottle shell comprises a bottle cap at the upper end of the shell and a bottle body at the lower end of the shell, and the bottle caps are connected in a spiral manner; the inner medicine storage cylinder comprises a medicine outlet cover, a medicine cylinder body and the like; the medicine outlet shaft comprises a medicine charging concave platform, a hinge, a trapezoidal protrusion and a rectangular protrusion; the user can press the storage cartridge to obtain a single tablet at any time and any place by unscrewing the bottle cap. The portable medicine taking device is convenient to carry to a great extent, so that the medicine taking process is more humanized, safe and sanitary.

摘要：【中文】本发明公开了一种基于三维场景还原的指导性防火消防救援系统及方法，系统包括火灾检测端、云平台端以及应用端，火灾检测端包括各类传感器，传感器数据发送至云平台端，云平台端实时监控各类传感器数据，云平台端与应用端过程物联网应用系统，云平台通过网络通信协议实现与应用端的互联，进行数据和指令的双向输送，应用端通过三维模型及场景，结合算法判断、数据表、救援路线，显示受灾情况及指导性信息。本发明可有效减少偶然性误差，避免由于设备问题引起的麻烦，提高可靠性，并提供救援方案和相关配套功能；和云平台实现有效互联，应用相关物联网技术，高度集成化，有助于产业升级，对火灾预警、火灾救援有辅助作用。 【EN】The invention discloses an instructive fire prevention and fire fighting rescue system and method based on three-dimensional scene reduction, the system comprises a fire detection end, a cloud platform end and an application end, the fire detection end comprises various sensors, the sensor data are sent to the cloud platform end, the cloud platform end monitors the various sensor data in real time, the cloud platform end and the application end process Internet of things application system, the cloud platform realizes interconnection with the application end through a network communication protocol, bidirectional transmission of data and instructions is carried out, and the application end combines algorithm judgment, a data table and a rescue route through a three-dimensional model and a scene to display disaster situations and instructive information. The invention can effectively reduce accidental errors, avoid troubles caused by equipment problems, improve reliability and provide a rescue scheme and related supporting functions; the system is effectively interconnected with a cloud platform, uses related Internet of things technology, is highly integrated, is beneficial to industrial upgrading, and has auxiliary effects on fire early warning and fire rescue.

摘要：【中文】本发明公开了一种钢材涂漆装置，包括钢材传送机构、涂漆机构和干燥机构，钢材传送机构包括皮带轮和传输带，传输带绕在皮带轮外部，传输带上传输待涂漆钢材，涂漆机构设置在传输带正上方，干燥机构设置在涂漆机构一侧，干燥机构包括干燥箱，干燥箱一侧设有进口，另一侧设有出口，干燥箱内部进口与出口之间安装传输装置，传输装置包括导向轮和传送带，传送带绕在导向轮外部，干燥箱内腔顶部安装有热风进口，热风进口通过热风管道连接外部热风风机，本发明结构简单，能够实现对钢材表面的均匀涂漆，同时能够对涂漆后的钢材进行均匀干燥，提高了钢材涂漆质量，同时本发明采用的减震底座减震性能好，能够提高钢材传输的稳定性，便于钢材均匀涂漆。 【EN】The invention discloses a steel painting device, which comprises a steel conveying mechanism, a painting mechanism and a drying mechanism, wherein the steel conveying mechanism comprises a belt pulley and a transmission belt, the transmission belt is wound outside the belt pulley, the steel to be painted is conveyed on the transmission belt, the painting mechanism is arranged right above the transmission belt, the drying mechanism is arranged on one side of the painting mechanism, the drying mechanism comprises a drying box, one side of the drying box is provided with an inlet, the other side of the drying box is provided with an outlet, the conveying device is arranged between the inlet and the outlet in the drying box and comprises a guide wheel and a transmission belt, the transmission belt is wound outside the guide wheel, the top of the inner cavity of the drying box is provided with a hot air inlet, and the hot air inlet is connected with an external hot air fan through a hot air pipeline. Meanwhile, the damping base adopted by the invention has good damping performance, can improve the stability of steel transmission and is convenient for uniform painting of steel.

摘要：【中文】本发明公开了一种缓冲联轴器，包括主动轴、中间轴、中间轴套、圆柱弹簧、螺钉、从动轴花键套以及从动轴；本发明的圆柱弹簧在原始位置进行预压缩，用于平衡机构的额度传动力矩，当受到冲击力矩作用时，圆柱弹簧进一步压缩，产生轴向位移，对应于周向旋转运动，使得从动轴和主动轴之间产生转速差，延长冲击力矩的传递时间，降低冲击力矩的峰值，有效保护传动轴及传动系统中各零部件的安全。 【EN】The invention discloses a buffer coupling, which comprises a driving shaft, an intermediate shaft sleeve, a cylindrical spring, a screw, a driven shaft spline sleeve and a driven shaft, wherein the intermediate shaft is fixedly connected with the driving shaft; the cylindrical spring is precompressed at the original position and used for balancing the limit transmission torque of the mechanism, when the cylindrical spring is acted by the impact torque, the cylindrical spring is further compressed to generate axial displacement, and corresponding to circumferential rotation motion, a rotation speed difference is generated between the driven shaft and the driving shaft, the transmission time of the impact torque is prolonged, the peak value of the impact torque is reduced, and the safety of the transmission shaft and each part in a transmission system is effectively protected.

摘要：【中文】本发明公开了一种基于多目标哈里斯隼优化器的滚齿参数求解方法，步骤为：（1）实现多目标哈里斯隼优化器；（2）实现以碳排放、切削时间及成本为目标的滚齿参数综合模型的建立；（3）实现基于多目标哈里斯隼优化器的滚齿参数综合模型求解。本发明具有如下优点：1、首次提出多目标哈里斯隼优化器：将帕累托改进方法融入哈里斯隼单目标优化中，生成多目标哈里斯隼优化器，应用范围更广，性能更为优越；2、滚齿参数与目标同时改进：利用多目标哈里斯隼优化器不断优化滚齿参数，让滚齿参数达到近似最优状态，让切削时间、成本及碳排放三个目标都尽可能最小。从而解决滚齿参数选择保守，难以满足碳排放新要求的难题。 【EN】The invention discloses a hobbing parameter solving method based on a multi-target Harris falcon optimizer, which comprises the following steps of: (1) implementing a multi-objective Harris falcon optimizer; (2) the establishment of a hobbing parameter comprehensive model with carbon emission, cutting time and cost as targets is realized; (3) and solving a hobbing parameter comprehensive model based on the multi-target Harris falcon optimizer. The invention has the following advantages: 1. put forward multi-objective harris falcon optimizer for the first time: the pareto improvement method is integrated into single-target optimization of the Harris falcon to generate a multi-target Harris falcon optimizer, so that the application range is wider, and the performance is more excellent; 2. the hobbing parameters and the target are improved simultaneously: and (3) continuously optimizing the hobbing parameters by using a multi-objective Harris falcon optimizer, so that the hobbing parameters reach an approximately optimal state, and the three targets of cutting time, cost and carbon emission are minimized as far as possible. Therefore, the difficult problems that the selection of hobbing parameters is conservative and the new requirements on carbon emission are difficult to meet are solved.

摘要：【中文】本发明公开了一种基于elasticsearch的分布式多功能搜索引擎，包括如下步骤：S1，分布式爬虫构建原始搜索数据集；S2，利用自然语言与图像处理对所爬取到的数据进行清理并插入到非关系型数据库；S3，将非关系型数据库中的数据同步到elasticsearch分布式集群及节点中；S4，利用Django网络框架实现前台与elasticsearch的互联完成搜索引擎的搭建。本发明提供的搜索引擎大大提高的搜索的准确性，合理性，增强了用户体验。 【EN】The invention discloses a distributed multifunctional search engine based on an elastic search, which comprises the following steps: s1, the distributed crawler constructs an original search data set; s2, cleaning the crawled data by using natural language and image processing and inserting the crawled data into a non-relational database; s3, synchronizing the data in the non-relational database to the elastic search distributed cluster and the nodes; s4, the interconnection of the foreground and the elastic search is realized by using the Django network framework to complete the construction of the search engine. The search engine provided by the invention greatly improves the accuracy and the reasonability of search and enhances the user experience.

摘要：【中文】本发明公开了一种手推式轮椅用坐便器，包括U型扶手、第一转动连杆、椅面和第二转动连杆，所述椅面上设有第一马桶盖和第二马桶盖，所述第一马桶盖和第二马桶盖端部设有连接圆盘，所述连接圆盘通过第一转动连杆和第二转动连杆与U型扶手连接，推拉U型扶手使第一马桶盖和第二马桶盖开合；该手推式轮椅用坐便器结构简单，U型扶手可以前后推动实现所述左右开合马桶盖的开合，易于安装与操作，采用手推式，节约成本。 【EN】The invention discloses a pedestal pan for a hand-push type wheelchair, which comprises a U-shaped handrail, a first rotating connecting rod, a seat and a second rotating connecting rod, wherein the seat is provided with a first toilet cover and a second toilet cover; this hand propelled is toilet bowl for wheelchair simple structure promotes around U type handrail and realizes controlling opening and shutting of toilet lid, easily installation and operation adopt the hand propelled, practice thrift the cost.

摘要：【中文】本发明涉及一种水声传感器网络中基于位置推送的源节点位置隐私保护方法，其步骤包括：首先，结合埃克曼漂流模型，针对静态层和动态层特点，分别选择节点分簇方式；其次，为了应对攻击者差分隐私攻击，增加数据包之间的差异性，采用位置推送过程增加数据包之间的差异性和数据收集位置的随机化，起到位置隐私保护的目的。在位置推送后，通过构建虚假数据包和随机部署水听器方式，进一步增加对源节点位置隐私的保护；最后，leader AUV根据接收的位置推送数据包，派遣follower AUV进行数据收集，对推送位置和源节点部署区域分别进行数据收集，实现数据收集路径的离散化。本发明能够阻碍攻击者实施差分隐私攻击，提高水下数据的收集效率，增强水下环境中对源节点位置隐私的保护。 【EN】The invention relates to a source node position privacy protection method based on position push in an underwater acoustic sensor network, which comprises the following steps: firstly, combining an Eckman drift model, and respectively selecting a node clustering mode according to the characteristics of a static layer and a dynamic layer; secondly, in order to cope with differential privacy attacks of attackers and increase the difference among data packets, the difference among the data packets and the randomization of data collection positions are increased by adopting a position pushing process, so that the aim of protecting the position privacy is fulfilled. After the position is pushed, the protection on the position privacy of the source node is further increased by constructing a false data packet and randomly deploying hydrophones; and finally, the leader AUV pushes a data packet according to the received position, dispatches a follower AUV to collect data, and respectively collects the data of the pushed position and the deployment area of the source node, thereby realizing the discretization of the data collection path. The method can prevent an attacker from implementing differential privacy attack, improve the underwater data collection efficiency and enhance the protection of the source node position privacy in the underwater environment.

摘要：【中文】本发明公开了一种太阳能光伏组件边框，包括长边框、短边框和角码，长边框的一端部与短边框的一端部通过角码连接；长边框上设有固定部，固定部沿长边框本体长度方向设置于长边框的一侧侧部；固定部内设有巳型槽；固定部与长边框为一体成型；巳型槽的设计使得太阳能光伏组件的安装更加方便，避免了螺栓连接的麻烦和受场地限制等缺点。 【EN】The invention discloses a solar photovoltaic module frame which comprises a long frame, a short frame and corner connectors, wherein one end part of the long frame is connected with one end part of the short frame through the corner connectors; the long frame is provided with a fixing part, and the fixing part is arranged on the side part of one side of the long frame along the length direction of the long frame body; the fixed part is internally provided with a grooved; the fixing part and the long frame are integrally formed; the design of the grooved groove enables the solar photovoltaic module to be more convenient to install, and the defects that the bolt connection is troublesome, the site is limited and the like are overcome.