摘要：【中文】本发明公开了一种光纤激光器，包括光纤头、激光头及连接两者的光纤接头，光纤接头包括固定座、防尘罩、水冷环、连接板、锁紧套、弹簧及导销；光纤头的出光端嵌入固定座的一端，固定座的另一端设有导销，导销上套设弹簧，锁紧套套设在固定座的一端且弹簧嵌入锁紧套内，固定座的外壁内设有定位钢珠，且定位钢珠与锁紧套的锥面及光纤头的斜面抵触，使光纤头与固定座固定连接；固定座的另一端套设水冷环，水冷环设有水槽；防尘罩的两端分别紧套在光纤头及水冷环的外壁；连接板将水冷环与激光头连接。本发明取得的有益效果：光纤头与光纤接头稳固连接，减少光纤的损耗；光纤接头散热降温效果好；可隔绝污染源进入激光头；切割效率高。 【EN】The invention discloses an optical fiber laser, which comprises an optical fiber head, a laser head and an optical fiber connector for connecting the optical fiber head and the laser head, wherein the optical fiber connector comprises a fixed seat, a dust cover, a water cooling ring, a connecting plate, a locking sleeve, a spring and a guide pin; the light-emitting end of the optical fiber head is embedded into one end of the fixed seat, the other end of the fixed seat is provided with a guide pin, a spring is sleeved on the guide pin, the locking sleeve is sleeved at one end of the fixed seat, the spring is embedded into the locking sleeve, a positioning steel ball is arranged in the outer wall of the fixed seat, and the positioning steel ball is abutted against the conical surface of the locking sleeve and the inclined surface of the optical fiber head, so that the optical fiber head is fixedly connected with the; the other end of the fixed seat is sleeved with a water cooling ring, and the water cooling ring is provided with a water tank; two ends of the dust cover are respectively tightly sleeved on the outer walls of the optical fiber head and the water-cooling ring; the water cooling ring is connected with the laser head through the connecting plate. The invention has the following beneficial effects: the optical fiber head is stably connected with the optical fiber connector, so that the loss of the optical fiber is reduced; the optical fiber connector has good heat dissipation and cooling effects; the pollution source can be isolated from entering the laser head; the cutting efficiency is high.

摘要：【中文】本发明提供一种三维打印设备及其打印方法，该设备包括涂覆装置，该涂覆装置能在曲面的基材上涂覆光固化材料；还包括光固化腔，涂覆有光固化材料的基材容纳在光固化腔内；还包括发光装置，该发光装置设置在光固化腔的一侧，且发光装置为曲面发光装置。该方法包括在具有曲面的基材上涂覆光固化材料；将涂覆有光固化材料的基材放置在曲面的发光装置一侧，发光装置的预设区域发光，将基材上与该预设区域对应的区域的光固化材料固化。本发明能针对体积较大或者曲面形状不规则的物体进行三维打印。 【EN】The invention provides a three-dimensional printing device and a printing method thereof, wherein the device comprises a coating device, a printing device and a printing device, wherein the coating device can coat a photocuring material on a curved substrate; the substrate coated with the light curing material is accommodated in the light curing cavity; the light-emitting device is arranged on one side of the light curing cavity and is a curved surface light-emitting device. The method includes coating a light-curable material on a substrate having a curved surface; and placing the substrate coated with the light curing material on one side of the curved light-emitting device, emitting light in a preset area of the light-emitting device, and curing the light curing material in an area corresponding to the preset area on the substrate. The invention can be used for three-dimensional printing of objects with larger volume or irregular curved surface shapes.

摘要：【中文】本发明提供了一种药品监控方法，所述药品监控方法用于对药品存储装置进行监控，所述药品存储装置包括存储箱，所述存储箱内设有多个存储区域，每个所述存储区域对应设置有提示件，且每个所述存储区域对应存储至少一种药品；所述药品监控方法包括如下步骤：获取取药信息；根据所述取药信息确定对应的待取药品在所述存储箱内的所有存储区域，所述取药信息包括药品名称、数量；控制距离药品的有效期限近的所述存储区域对应的提示件发出提示信息。本发明提供的药品监控方法避免了取药人员自行查找药品，降低了操作失误率，实现药品的精确管理。 【EN】The invention provides a medicine monitoring method which is used for monitoring a medicine storage device, wherein the medicine storage device comprises a storage box, a plurality of storage areas are arranged in the storage box, each storage area is correspondingly provided with a prompt piece, and each storage area is correspondingly stored with at least one medicine; the medicine monitoring method comprises the following steps: acquiring medicine taking information; determining all storage areas of corresponding medicines to be taken in the storage box according to the medicine taking information, wherein the medicine taking information comprises medicine names and the number; and controlling a prompt piece corresponding to the storage area close to the valid period of the medicine to send prompt information. The medicine monitoring method provided by the invention avoids the situation that a medicine fetching person searches for the medicine by self, reduces the operation error rate and realizes the accurate management of the medicine.

摘要：【中文】本发明公开了一种利用水热法制备碳纳米中空多面体的方法，属于纳米石墨制备领域。本发明利用化学合成法，以具有苯环结构的芘为原料，在碱性条件和较低温度下进行反应，制得的反应产物的石墨化程度高，空腔体积大，具有潜在的轻质高强的特性。本发明能耗低，耗时短，产物质量高，其采用的化学合成法完全区别于现有技术，具有开创新和新颖性。 【EN】The invention discloses a method for preparing a carbon nano hollow polyhedron by using a hydrothermal method, and belongs to the field of nano graphite preparation. The method utilizes a chemical synthesis method, takes pyrene with a benzene ring structure as a raw material, and carries out reaction under an alkaline condition and at a lower temperature, and the prepared reaction product has the characteristics of high graphitization degree, large cavity volume, and potential light weight and high strength. The method has the advantages of low energy consumption, short time consumption and high product quality, adopts a chemical synthesis method completely different from the prior art, and has innovation and novelty.

摘要：本发明公开了一种能提高贝氏体钢轨矫前平直度的预弯工艺，包括：(1)输入程序：按照弦高为1.5‑1.9m将1～40#预弯小车的行程及运行速率大小输入至预弯程序中；(2)启动预弯程序：此时小车将从从原始位置开始在钢轨下面运行一直到达钢轨的预设量位置为止；(3)等待冷却：保持小车位置不变，钢轨从断面有效温度为850℃开始自然冷却至室温。本发明的目的是提供一种能提高贝氏体钢轨矫前平直度的预弯工艺，降低热轧后矫直前贝氏体钢轨的变形量。

摘要：本申请提供一种场效应管及其制备方法，涉及半导体器件技术领域，方法包括：第一器件结构包括衬底和设置在衬底上的外延层，先后形成第一介质层、多晶硅层和第二介质层；去除部分多晶硅层和第二介质层，在掺杂区上方界定出第一窗口，第一窗口的底部露出第一介质层；保留第一窗口侧壁的第三介质层，界定出第二窗口，第二窗口底部露出外延层；在第二窗口底部的表面形成欧姆金属层，形成第四器件结构；在第四器件结构远离衬底的表面形成正面金属层。

摘要：本发明涉及计算流体力学与计算几何学技术领域，公开了一种空间点到给定点集距离的非递归计算方法，包括以下步骤：步骤1：使用向量容器对给定点集的几何数据进行初始化存储；步骤2：以非递归模式生成平衡二叉树检索结构；步骤3：非递归计算空间点到给定点集距离并对最近点进行定位；步骤4：当定位完成后，释放平衡二叉树内部成员已开辟的动态内存。本发明解决了现有技术存在的计算速度较低等问题。

摘要：【中文】本发明公开了一种高精度的架空输电导线弧垂检测方法，涉及以采用光学方法为特征的计量设备用于计量长度、宽度或厚度技术领域。包括以下步骤：获取一条所述架空输电导线在测量周期内不同瞬时点的导线点云数据；对所述导线点云数据进行数据处理，建立导线坐标系，提取出导线特征点数据；基于所述导线坐标系建立所述架空输电导线的悬链线方程和所述架空输电导线的弧垂方程；基于所述导线特征点数据采用非线性最小二乘法拟合求解出所述架空输电导线的悬链线方程和所述架空输电导线的弧垂方程。本发明精度高，且可以计算任意位置处的导线弧垂。 【EN】The invention discloses a high-precision overhead power transmission conductor sag detection method, and relates to the technical field of length, width or thickness measurement of measurement equipment which is characterized by adopting an optical method. The method comprises the following steps: acquiring lead point cloud data of different instantaneous points of one overhead power transmission lead in a measurement period; conducting data processing on the wire point cloud data, establishing a wire coordinate system, and extracting wire characteristic point data; establishing a catenary equation of the overhead power transmission conductor and a sag equation of the overhead power transmission conductor based on the conductor coordinate system; and fitting and solving a catenary equation of the overhead power transmission conductor and a sag equation of the overhead power transmission conductor by adopting a nonlinear least square method based on the conductor characteristic point data. The invention has high precision and can calculate the conductor sag at any position.

摘要：本申请公开了一种基于单目摄像头的鹤管灌口识别与定位方法，包括：S1、实时采集待检测目标的视频流进行预设频率的截取，并对截取的图像进行预处理；S2、筛选S1中预处理后的图像中的圆形；S3、根据S2中选出的圆形选定感兴趣区域；S4、在S3中选定的感兴趣区域进行拟合；S5、基于S4的拟合结果进行抗抖动处理，最终实现灌口的识别与定位。提出了一种基于霍夫变换和RANSAC优化算法的鹤管圆形检测方法，通过对ROI的选定进一步限定所需目标的检测范围提高检测的准确率。考虑在摄像头的轻微抖动和光照影响下可能导致实时检测的圆心产生微小的改变，通过像素点的预设阈值控制减少定位误差，并通过实验验证了其在不同光照条件下的鲁棒性和实时性。

摘要：【中文】本发明涉及汽车技术领域，具体是一种电子换档器及汽车，所述电子换档器设置于汽车副仪表板上，包括换档器本体，所述换档器本体包括换档杆和旋转中心，所述换档杆和所述旋转中心转动连接，所述电子换档器还包括集成钥匙和限位结构，所述集成钥匙与所述限位结构可拆卸连接，所述集成钥匙底部设置有限位孔，所述集成钥匙通过所述限位孔套设于所述限位结构的一端，所述限位结构的另一端与所述换档杆固定连接，当受到外力时，所述集成钥匙能够带动所述限位结构和所述换档杆绕所述旋转中心转动。本发明的电子换档器通过将车辆钥匙集成换档手球功能，能够使得车辆设计更为美观简洁，并且能够降低整车生产成本。 【EN】The invention relates to the technical field of automobiles, in particular to an electronic gear shifter and an automobile, wherein the electronic gear shifter is arranged on an auxiliary instrument board of the automobile and comprises a gear shifter body, the gear shifter body comprises a gear shift lever and a rotating center, the gear shift lever is rotatably connected with the rotating center, the electronic gear shifter also comprises an integrated key and a limiting structure, the integrated key is detachably connected with the limiting structure, the bottom of the integrated key is provided with a limiting hole, the integrated key is sleeved at one end of the limiting structure through the limiting hole, the other end of the limiting structure is fixedly connected with the gear shift lever, and when external force is applied, the integrated key can drive the limiting structure and the gear shift lever to rotate around the rotating center. According to the electronic gear shifter, the vehicle key is integrated with the gear shifting handball function, so that the vehicle design is more attractive and concise, and the production cost of the whole vehicle can be reduced.