摘要：【中文】本发明提供一种新型机电一体化锁具，涉及机电一体化锁具技术领域。该新型机电一体化锁具，包括第一锁盒和第二锁盒，所述第一锁盒前端的外表面设置有智能解锁机构，所述第一锁盒的中心安装有锁定机构，所述电子元件与锁定机构之间安装有连接导线，所述第二锁盒前端外表面的中心设置有转动定位机构，所述第二锁盒的中心设置有与转动定位机构相对应的传动机构，所述锁定机构与传动机构之间安装有机械解锁机构。通过智能解锁机构、锁定机构、转动定位机构、传动机构以及机械解锁机构的相互配合，可以利用该锁具对门体进行锁紧定位，在电子解锁机构发生故障时，我们也可以通过机械解锁结构进行手动解锁，工作效率大大提高。 【EN】The invention provides a novel mechanical and electrical integration lock, and relates to the technical field of mechanical and electrical integration locks. This novel mechatronic tool to lock, including first lock box and second lock box, the surface of first lock box front end is provided with intelligent unlocking mechanism, locking mechanism is installed at the center of first lock box, install connecting wire between electronic component and the locking mechanism, the center of second lock box front end surface is provided with rotates positioning mechanism, the center of second lock box is provided with and rotates the corresponding drive mechanism of positioning mechanism, install mechanical unlocking mechanism between locking mechanism and the drive mechanism. Through mutual cooperation of the intelligent unlocking mechanism, the locking mechanism, the rotary positioning mechanism, the transmission mechanism and the mechanical unlocking mechanism, the lock can be used for locking and positioning the door body, when the electronic unlocking mechanism breaks down, manual unlocking can be carried out through the mechanical unlocking mechanism, and the working efficiency is greatly improved.

摘要：【中文】本发明提供了一种监控人员洗手的方法和系统，该方法包括：采集洗手区域的视频图像，并判断所述视频图像中的人员是否进入到有效洗手区域；如果所述人员进入到所述有效洗手区域，则识别所述人员的身份信息，并统计所述人员在所述有效洗手区域停留的时间；当所述人员在所述有效洗手区域停留的时间到达设定时长时，确定所述人员符合洗手标准。在本发明中，利用图像识别技术，通过判断相关人员是否进入到有效洗手区域以及洗手时长来监控相关人员的洗手情况，从而减少了人工检查洗手情况的工作量，提高了洗手检查效率，保证了车间的食品卫生安全。 【EN】The invention provides a method and a system for monitoring hand washing of personnel, wherein the method comprises the following steps: collecting a video image of a hand washing area, and judging whether people in the video image enter an effective hand washing area; if the personnel enter the effective hand washing area, identifying the identity information of the personnel, and counting the time of the personnel staying in the effective hand washing area; and when the stay time of the personnel in the effective hand washing area reaches a set length, determining that the personnel meet hand washing standards. In the invention, the image recognition technology is utilized to monitor the hand washing condition of the related personnel by judging whether the related personnel enter the effective hand washing area and judging the hand washing time, thereby reducing the workload of manual hand washing condition checking, improving the hand washing checking efficiency and ensuring the food sanitation and safety of a workshop.

摘要：【中文】本发明提供了一种检查图片确定方法及装置，该方法包括：从上传的店铺检查图片中提取出所述图片的拍摄点的地理位置坐标信息和拍摄日期信息，以及所述图片的图像特征点；根据所述地理位置坐标信息和拍摄日期信息确定所述店铺是否为指定检查店铺，以及所述图片是否在指定检查时间拍摄；根据提取的所述图像特征点确定所拍摄的店铺的检查内容是否为指定检查内容。在本发明中，提高了检查人员上传的检查图片的准确度，使检查结果更加准确。 【EN】The invention provides a method and a device for determining an inspection picture, wherein the method comprises the following steps: extracting geographic position coordinate information and shooting date information of a shooting point of the picture and an image feature point of the picture from the uploaded shop inspection picture; determining whether the shop is a designated checking shop or not and whether the picture is shot at a designated checking time or not according to the geographical position coordinate information and the shooting date information; and determining whether the shot checking content of the shop is the designated checking content or not according to the extracted image feature points. According to the invention, the accuracy of the inspection pictures uploaded by the inspection personnel is improved, so that the inspection result is more accurate.

摘要：【中文】本发明公开了一种基于系统能量最优分布的MMC故障控制策略，包括以下步骤：分析不同控制目标下桥臂间的能量流动对内外部相关电气参数的影响，基于MMC‑HVDC系统故障下运行功率区间优化分析给出的系统能最优分布，开展故障点能量与换流器内部能量流动的协同控制策略设计，同时根据故障穿越期间换流器暂态能量变化规律，优化控制MMC各桥臂电流分量来调节换流器交直流侧及桥臂间的功率流向，结合先进控制理论(模型预测、非线性电流、滑模控制等)研究换流器故障穿越快速调控方法，对故障情况下多个控制目标进行寻优。本发明可实现对于MMC交流侧故障的有效穿越控制，同时实现在多目标安全运行域内，系统指标趋近最优的输出效果。 【EN】The invention discloses an MMC fault control strategy based on system energy optimal distribution, which comprises the following steps: the method comprises the steps of analyzing the influence of energy flow between bridge arms under different control targets on internal and external relevant electrical parameters, developing a cooperative control strategy design of fault point energy and energy flow inside a converter based on optimal distribution of system energy given by optimized analysis of an operation power interval under the fault of an MMC-HVDC system, optimally controlling current components of bridge arms of the MMC to adjust the power flow direction between an AC-DC side and the bridge arms of the converter according to a transient energy change rule of the converter during fault ride-through, and researching a fast regulation and control method of fault ride-through of the converter by combining an advanced control theory (model prediction, nonlinear current, sliding mode control and the like) to optimize a plurality of control targets under the fault condition. The invention can realize the effective ride-through control of the fault of the MMC alternating current side and simultaneously realize the output effect that the system index approaches the optimal in a multi-target safe operation domain.

摘要：【中文】本发明公开了一种基于前馈控制的MMC交流侧故障能量均衡控制方法，提出了一种前馈控制策略，以改善模块化多电平变换器在不平衡电网条件下的电压平衡，分析了桥臂能量与各电气信号耦合关系，并在坐标系下建立桥臂能量数学模型，前馈补偿的加入提高了交流电网对不对称故障和突发电压不平衡的抗干扰能力，通过换流器内部电流信号实现桥臂能量的灵活快速控制，增加了桥臂零序电流抑制环节，最后通过PIR控制器实现对于交流侧直流侧电流信号的无静差跟踪控制，并通过PR控制器滤除环流与直流侧电流中的2倍频分量，大大提高交流侧故障穿越能力。 【EN】The invention discloses an MMC alternating current side fault energy balance control method based on feedforward control, and provides a feedforward control strategy to improve the voltage balance of a modular multilevel converter under the condition of an unbalanced power grid, analyze the coupling relation between bridge arm energy and each electrical signal and solve the problem that the prior method is not suitable for the condition of the unbalanced power gridThe mathematical model of the bridge arm energy is established under a coordinate system, the anti-interference capability of an alternating current power grid on asymmetric faults and sudden voltage unbalance is improved by adding feedforward compensation, the flexible and quick control of the bridge arm energy is realized through the current signal inside the current converter, and the zero point of the bridge arm is increasedAnd in the sequence current suppression link, the PIR controller is used for realizing the non-static tracking control of the current signal at the direct current side of the alternating current side, and the PR controller is used for filtering the circulating current and the frequency multiplication component 2 in the current at the direct current side, so that the fault ride-through capability at the alternating current side is greatly improved.

摘要：【中文】本发明公开了一种基于能量流动规律的MMC功率运行区间优化方法，能够实现柔性直流输电(MMC‑HVDC)系统交流侧故障下最大功率传输。首先通过对交流侧进行故障特征分析，理解交流侧不同故障类型下的能量分布情况和瞬时能量的波动特性，构建能量动态过程与系统各电气参数的耦合关系，发现柔性直流输电系统能量转化规律，以此为基础对MMC运行功率区间进行优化，构建不同故障工况下MMC最大有功功率传输能力的解析表达式，确定MMC‑HVDC系统能量最优分布。 【EN】The invention discloses an MMC power operation interval optimization method based on an energy flow rule, which can realize maximum power transmission under the condition of an alternating current side fault of a flexible direct current transmission (MMC-HVDC) system. Firstly, analyzing the fault characteristics of an alternating current side, understanding the energy distribution condition and the fluctuation characteristics of instantaneous energy of the alternating current side under different fault types, constructing the coupling relation between the dynamic process of the energy and each electrical parameter of the system, finding out the energy conversion rule of the flexible direct current power transmission system, optimizing the MMC operation power interval on the basis of the energy conversion rule, constructing the analytical expression of the maximum active power transmission capability of the MMC under different fault conditions, and determining the optimal energy distribution of the MMC-HVDC system.

摘要：【中文】本发明属于内窥镜光源及内窥镜光源控制系统领域，涉及一种大功率可调亮度的内窥镜冷光源，包括：48V开关电源、正负12V和5V开关电源、冷光源主电路、冷光源控制电路、人机界面电路和遥控接口电路，其中：48V开关电源为冷光源主电路提供电能；正负12V和5V开关电源为冷光源主电路之外的其它电路提供电能；冷光源主电路的48V直流通过推挽变压器变为低压高频交流电，再通过同步整流和LC滤波得到直流电压，直流电压通过线性功率MOSFET管驱动大功率LED发光；人机界面电路和遥控接口电路分别用于在本机和远程设置LED电流输出百分比。本发明的内窥镜冷光源具有大功率、亮度可调、亮度波动极小的特点。本发明还提供一种大功率可调亮度的内窥镜冷光源控制系统。 【EN】The invention belongs to the field of endoscope light sources and endoscope light source control systems, and relates to a high-power brightness-adjustable endoscope cold light source, which comprises: 48V switching power supply, positive negative 12V and 5V switching power supply, cold light source main circuit, cold light source control circuit, man-machine interface circuit and remote control interface circuit, wherein: the 48V switching power supply provides electric energy for the cold light source main circuit; the positive and negative 12V and 5V switch power supplies power for other circuits except the main circuit of the cold light source; the 48V direct current of the cold light source main circuit is changed into low-voltage high-frequency alternating current through a push-pull transformer, then direct current voltage is obtained through synchronous rectification and LC filtering, and the direct current voltage drives a high-power LED to emit light through a linear power MOSFET tube; the human-computer interface circuit and the remote control interface circuit are respectively used for setting the current output percentage of the LED at the local machine and the remote machine. The endoscope cold light source has the characteristics of high power, adjustable brightness and extremely small brightness fluctuation. The invention also provides a high-power brightness-adjustable endoscope cold light source control system.

摘要：【中文】本发明公开了一种基于MIPI协议的图像传输电路及其实现方法，该电路包括：摄像头接口电路和主机接口电路，摄像头接口和主机接口电路连接；主机接口电路包括主处理器、主机多芯航空插座；主处理器与主机多芯航空插座连接，主处理器与主机多芯航空插座连接；摄像头接口电路包括图像传感器、LVDS发送器和摄像头多芯航空插座；图像传感器与LVDS发送器连接，LVDS发送器与摄像头多芯航空插座连接，图像传感器与摄像头多芯航空插座连接。本发明能适应较长传输距离的高速数据传输，能高速数据并解码数据字节，同时支持MIPI上层协议进行自动调整通信速率的优化控制，实现高速和高可靠的图像传输。 【EN】The invention discloses an image transmission circuit based on MIPI protocol and a realization method thereof, wherein the circuit comprises: the camera interface circuit is connected with the host interface circuit; the host interface circuit comprises a main processor and a host multi-core aviation socket; the main processor is connected with the host multi-core aviation socket; the camera interface circuit comprises an image sensor, an LVDS transmitter and a camera multi-core aviation socket; the image sensor is connected with the LVDS transmitter, the LVDS transmitter is connected with the camera multi-core aviation socket, and the image sensor is connected with the camera multi-core aviation socket. The invention can adapt to high-speed data transmission with longer transmission distance, can decode data bytes at high speed, simultaneously supports MIPI upper layer protocol to carry out optimization control of automatically adjusting communication rate, and realizes high-speed and high-reliability image transmission.

摘要：【中文】本发明公开了一种管材内圈自动化焊接装置，涉及管材焊接技术领域。包括操作台和管材本体，所述操作台的上表面固定安装有控制面板、两个管材夹持装置、角度调节装置，所述控制面板位于角度调节装置的前侧，两个管材夹持装置的内部均活动插接有管材本体。通过设置管材夹持装置，利用第一电机带动活动辊在连接套的内部进行迂回运动，使得连接套带动下夹持板进行升降运动，促使两个夹持板可对管材本体进行相互夹持，使得该夹持装置能够针对不同管径的管材进行调整，从而在进行焊接工作前将需要拼接的管材进行定位夹持以及口径对齐，避免了采用人工对齐的方式，从而提高了管材焊接的精准度，保证了管材焊接处的完全靠位。 【EN】The invention discloses an automatic welding device for an inner ring of a pipe, and relates to the technical field of pipe welding. The pipe clamping device comprises an operating table and a pipe body, wherein a control panel, two pipe clamping devices and an angle adjusting device are fixedly mounted on the upper surface of the operating table, the control panel is located on the front side of the angle adjusting device, and the pipe body is movably inserted into the two pipe clamping devices. Through setting up tubular product clamping device, utilize first motor to drive the movable roll and carry out circuitous motion in the inside of adapter sleeve, make the adapter sleeve drive down the grip block carry out elevating movement, make two grip blocks can carry out mutual centre gripping to the tubular product body, make this clamping device can adjust to the tubular product of different pipe diameters, thereby the tubular product that will splice before carrying out weldment work advances line location centre gripping and bore alignment, the mode of having avoided adopting artifical alignment, thereby the tubular product welded precision has been improved, the position of leaning on completely of tubular product welding department has been guaranteed.

摘要：【中文】本发明公开了一种自动化焊接机的焊丝导向装置，涉及焊接设备技术领域。包括安装基板、固定机构、焊丝组件、压平机构和导向机构，所述安装基板的上表面活动设置有用于固定焊丝组件的固定机构，所述固定机构的内部活动设置有用于焊接机焊接的焊丝组件。通过设置安装基板、固定机构和焊丝组件，向下拉动拉板使得拉板带动活动板压缩弹簧，活动板带动活动杆脱离活动槽的内部，即可将卷轴取出更换，解决了常规的焊丝盘使用螺杆固定更换繁琐的问题，将拉板向下拉动至固定孔的内部，并向左或向右拨动，更换时无需工作人员一直用手拉住拉板，提高了焊丝组件的更换效率，增加了该装置的使用性。 【EN】The invention discloses a welding wire guiding device of an automatic welding machine, and relates to the technical field of welding equipment. Including mounting substrate, fixed establishment, welding wire subassembly, mechanism and guiding mechanism flatten, mounting substrate's upper surface activity is provided with the fixed establishment who is used for fixed welding wire subassembly, fixed establishment's inside activity is provided with and is used for welding machine welded welding wire subassembly. Through setting up the mounting substrate, fixed establishment and welding wire subassembly, the pulling plate makes the pulling plate drive fly leaf compression spring downwards, the fly leaf drives the inside that the movable rod breaks away from the movable groove, can take out the spool and change, the loaded down with trivial details problem of conventional wire reel use screw rod fixed change has been solved, with the inside of pulling plate downwards to the fixed orifices, and stir left or right, it holds the pulling plate always with the hand to need not the staff during the change, the change efficiency of welding wire subassembly has been improved, the usability of the device has been increased.