摘要：【中文】本发明属于电池制备技术领域，尤其涉及一种燃料电池夹具外接水循环温控系统。本发明，包括设有进水口和出水口的夹具，进水口和出水口相互连通，所述出水口通过第一循环水泵与混合恒温水箱相连通，所述混合恒温水箱内设有第一温度传感器，第一循环水泵与混合恒温水箱之间设有用于将热水输送至混合恒温水箱内的热水输送管道和用于将冷水输送至混合恒温水箱内的冷水输送管道，所述混合恒温水箱通过第二循环水泵与进水口相连通。本发明提供了的水循环温控系统可保证夹具保持恒温，从而提高检测结果的可靠性，并且，本发明利用数据采集分析系统和控制系统对流量及温度进行数据采集及控制，实现控制过程的自动化，保证了生产效率。 【EN】The invention belongs to the technical field of battery preparation, and particularly relates to an external water circulation temperature control system of a fuel battery clamp. The water inlet and the water outlet are communicated with each other, the water outlet is communicated with a mixed constant-temperature water tank through a first circulating water pump, a first temperature sensor is arranged in the mixed constant-temperature water tank, a hot water conveying pipeline for conveying hot water into the mixed constant-temperature water tank and a cold water conveying pipeline for conveying cold water into the mixed constant-temperature water tank are arranged between the first circulating water pump and the mixed constant-temperature water tank, and the mixed constant-temperature water tank is communicated with the water inlet through a second circulating water pump. The water circulation temperature control system provided by the invention can ensure that the clamp keeps constant temperature, thereby improving the reliability of the detection result, and the invention utilizes the data acquisition and analysis system and the control system to carry out data acquisition and control on flow and temperature, realizes the automation of the control process and ensures the production efficiency.

摘要：【中文】本发明公开了一种高频热熔焊接装置及焊接方法，包括焊接部和焊接控制系统，焊接部包括料筒，料筒外部依次分为第一热处理区、热熔区和第二热处理区，第一热处理区上缠绕有第一组高频线圈，热熔区上缠绕有第二组高频线圈，第二热处理区上缠绕有第三组高频线圈，焊接控制系统包括单片机，单片机的信号输出端通过电流处理电路分别与第一组高频线圈、第二组高频线圈和第三组高频线圈连接；同时本发明还涉及了一种高频热熔的焊接方法；本发明根据单片机的输出信号，控制电流大小，不同时间提供给高频线圈不同的电流，进而为待焊接金属原件提供了不同的加热温度，可对待焊接金属材料进行热熔和热处理，可大幅提高金属材料的焊接质量。 【EN】The invention discloses a high-frequency hot-melting welding device and a welding method, and the welding device comprises a welding part and a welding control system, wherein the welding part comprises a charging barrel, the outside of the charging barrel is sequentially divided into a first heat treatment area, a hot melting area and a second heat treatment area, a first group of high-frequency coils are wound on the first heat treatment area, a second group of high-frequency coils are wound on the hot melting area, a third group of high-frequency coils are wound on the second heat treatment area, the welding control system comprises a single chip microcomputer, and the signal output end of the single chip microcomputer is respectively connected with the first group of high-frequency coils, the second group of high-frequency coils and the third; meanwhile, the invention also relates to a high-frequency hot melting welding method; according to the invention, the current is controlled according to the output signal of the singlechip, different currents are supplied to the high-frequency coil at different times, so that different heating temperatures are provided for the metal element to be welded, the metal material to be welded can be subjected to hot melting and heat treatment, and the welding quality of the metal material can be greatly improved.

摘要：【中文】本发明关于一种二段式万向工具，其包括一套件、一驱动件及一弹性件。该套件定义一轴向，设有一套接部与一组接部，该套接部具有一容置槽，该容置槽的内壁设有复数轴向延伸的卡凸，其中一该卡凸设有一凹部。该驱动件设有一多角形球头，该多角形球头设有复数弧面段，该多角形球头插设于该容置槽，该驱动件可相对该套件滑动于一第一位置与一第二位置，该多角形球头设有一弹抵件，该弹抵件常态地径向朝外弹抵。 【EN】The invention relates to a two-section universal tool, which comprises a sleeve part, a driving part and an elastic part. The sleeve defines an axial direction and is provided with a sleeving part and an assembling part, the sleeving part is provided with a containing groove, the inner wall of the containing groove is provided with a plurality of axially extending clamping protrusions, and one of the clamping protrusions is provided with a concave part. The driving part is provided with a polygonal ball head, the polygonal ball head is provided with a plurality of cambered surface sections, the polygonal ball head is inserted into the accommodating groove, the driving part can slide at a first position and a second position relative to the external member, and the polygonal ball head is provided with an elastic part which is normally elastically abutted outwards in the radial direction.

摘要：【中文】本发明公开了一种二段式万向工具，其包括一套件、一驱动件及一限位件。该套件定义一轴向，设有一容置槽及一组接部。该驱动件设有一多角形球头，该多角形球头设有复数弧面段，该多角形球头插设于该容置槽，该驱动件可相对该套件滑动于一第一位置与一第二位置。本发明的二段式万向工具，各该第一斜面与各该第二斜面可使该多角形球头在插设组装入该容置槽时不会与该多角形球头相干涉，该等弧倒角可顺利地将该多角形球头引导入该容置槽内，以使组装过程较顺畅，并且，当该驱动件位于该第二位置时，该等第一抵面不会与该驱动件相卡抵，可使该驱动件具有较大的摆动角度。 【EN】The invention discloses a two-section type universal tool which comprises a sleeve piece, a driving piece and a limiting piece. The sleeve member defines an axial direction and is provided with a containing groove and an assembling part. The driving part is provided with a polygonal ball head, the polygonal ball head is provided with a plurality of cambered surface sections, the polygonal ball head is inserted into the accommodating groove, and the driving part can slide in a first position and a second position relative to the external member. In the two-section universal tool, each first inclined surface and each second inclined surface can ensure that the polygonal ball head cannot interfere with the polygonal ball head when inserted and assembled into the accommodating groove, the polygonal ball head can be smoothly guided into the accommodating groove by the equal arc chamfers so as to ensure that the assembly process is smoother, and when the driving piece is positioned at the second position, the first abutting surfaces cannot be clamped with the driving piece so as to ensure that the driving piece has a larger swing angle.

摘要：【中文】本发明公开了一种到达方向的估计方法、干扰抑制方法及其接收器，所述到达方向的估计方法包括：提取由圆形阵列接收信号的谐波并合成为扫描得到搜索扫描函数，其中，谐波中嵌入有到达方向信息；通过搜索扫描函数的峰值获得到达方向。通过识别扫描函数的最大值的位置给出了对于终端的到达方向的估计，继而可用来得到圆形阵列引起的空间谐波，以解决了视距多用户毫米波通信干扰的问题。 【EN】The invention discloses an estimation method of an arrival direction, an interference suppression method and a receiver thereof, wherein the estimation method of the arrival direction comprises the following steps: extracting harmonic waves of signals received by the circular array and synthesizing the harmonic waves into scanning to obtain a search scanning function, wherein arrival direction information is embedded in the harmonic waves; the direction of arrival is obtained by searching for the peak of the scan function. The estimation of the arrival direction of the terminal is given by identifying the position of the maximum value of the scanning function, and then the spatial harmonic wave caused by the circular array can be obtained, so that the problem of millimeter wave communication interference of line-of-sight multi-users is solved.

摘要：【中文】本公开提供了一种用于获取区块链交易签名数据的方法及装置。所述方法包括：在获取到企业用户的交易信息时，基于所述交易信息生成签名数据请求消息，所述交易信息包括所述企业用户的银行账号；将所述签名数据请求消息通过区块链企业端应用发送给所述银行账号的对应银行服务器；通过所述区块链企业端应用从所述对应银行服务器接收交易签名数据，所述交易签名数据至少包括数字签名，所述数字签名是在所述企业用户的密钥装置处基于所述企业用户的私钥和所述交易信息生成的；以及基于所述交易签名数据，生成区块链交易签名数据。 【EN】The present disclosure provides a method and apparatus for obtaining blockchain transaction signature data. The method comprises the following steps: when transaction information of an enterprise user is acquired, generating a signature data request message based on the transaction information, wherein the transaction information comprises a bank account number of the enterprise user; sending the signature data request message to a corresponding bank server of the bank account through a block chain enterprise terminal application; receiving, by the blockchain enterprise-side application, transaction signature data from the corresponding bank server, the transaction signature data including at least a digital signature generated at the enterprise user's key device based on the enterprise user's private key and the transaction information; and generating blockchain transaction signature data based on the transaction signature data.

摘要：【中文】本发明公开了一种基于FPGA和地平线分割的高铁接触网异物检测系统及方法，该系统包括视频采集模块、图像存储模块、地平线分割模块和目标检测模块。视频采集模块用于随车实时采集高速铁路接触网监控视频；地平线分割模块使用改进的最大类间方差法和智能迭代算法实现快速自适应地平线分割，将地平线以上部分作为检测区域输入到目标检测模块；目标检测模块利用目标检测神经网络在地平线分割模块传入的图片中检测出可能存在的异物。这些模块运行于随车FPGA终端上以实现加速计算。本发明能够快速准确地检测出接触网上的异物，符合铁路部门实际需要，能够有效保障高速铁路运行安全性。 【EN】The invention discloses a high-speed rail contact net foreign matter detection system and method based on FPGA and horizon line segmentation. The video acquisition module is used for acquiring a monitoring video of a high-speed railway contact network in real time on board; the horizon line segmentation module uses an improved maximum inter-class variance method and an intelligent iterative algorithm to realize rapid self-adaptive horizon line segmentation, and the part above the horizon line is used as a detection area to be input into the target detection module; the target detection module detects possible foreign matters in the pictures transmitted by the horizon segmentation module by using the target detection neural network. The modules run on an on-board FPGA terminal to realize accelerated calculation. The invention can quickly and accurately detect the foreign matters on the contact net, meets the actual requirements of railway departments, and can effectively ensure the operation safety of the high-speed railway.

摘要：【中文】本发明公开了一种协助听说障碍人士交流的智能穿戴设备，包含拾音单元、信息输入单元、信息处理单元、播放单元以及显示单元；拾音单元接收外界声音信号输入发送给信息处理单元；信息输入单元接收用户信息输入发送给信息处理单元；信息处理单元接收来自拾音单元的电信号，通过语音库的匹配，提取信号中的文字信息，并将此信息以电信号的方式发送给显示单元显示；信息处理单元接收来自信息输入单元的电信号，合成声音信息，并将此信号以电信号的方式发送给播放单元播放。通过对外界声音信号的采集与识别，让使用者“听”到声音；通过信息输入功能让使用者“说”出语言。该方法主要用于听说障碍人士与他人互动交流的应用场景。 【EN】The invention discloses intelligent wearable equipment for assisting a person with hearing and speaking disorders to communicate, which comprises a pickup unit, an information input unit, an information processing unit, a playing unit and a display unit, wherein the pickup unit is used for picking up the information input unit; the sound pickup unit receives external sound signals, inputs the external sound signals and sends the external sound signals to the information processing unit; the information input unit receives user information input and sends the user information input to the information processing unit; the information processing unit receives the electric signal from the sound pickup unit, extracts character information in the signal through matching of a voice library, and sends the information to the display unit for display in an electric signal mode; the information processing unit receives the electric signal from the information input unit, synthesizes the sound information and sends the signal to the playing unit in the form of electric signal for playing. The user can hear the sound by collecting and identifying the external sound signal; the user is enabled to "speak" the language through the information input function. The method is mainly used for the application scene of interaction and communication between the person with the hearing and speaking disabilities and other people.

摘要：【中文】本发明公开了一种基于折杆剪式单元与拉索的高对称负泊松比结构单元，其特征在于，包括：由剪式铰单元首尾相连构成的环形剪式结构单元；所述剪式铰单元由两根折杆在折杆的中部铰接而成；环形剪式结构单元包括位于剪式铰单元端部的外部节点、内部节点和枢轴节点；连接在以环形剪式结构单元内的中心为对称的所有内部节点之间的一类拉索；以及，连接环形剪式结构单元内每两个相邻剪式铰单元内部节点和外部节点之间的二类拉索。当缩短二类拉索时，该结构单元展开，当缩短一类拉索时，该结构单元收缩。基本单元在二维平面周期性排布，可形成周期对称的大型负泊松比结构，在负泊松比索杆结构体系中具有良好的应用前景。 【EN】The invention discloses a high-symmetry negative Poisson ratio structural unit based on a folding rod shear type unit and a inhaul cable, which is characterized by comprising the following components: the annular shear type structural unit is formed by connecting shear type hinge units end to end; the scissor-type hinge unit is formed by hinging two folding rods in the middle of the folding rods; the annular shear type structure unit comprises an outer node, an inner node and a pivot node which are positioned at the end part of the shear type hinge unit; the pull cables are connected among all internal nodes which are symmetrical by taking the center in the annular scissor-type structure unit as a center; and the second-class guy cables are connected between the internal nodes and the external nodes of every two adjacent scissor hinge units in the annular scissor structure unit. When the second type guy cable is shortened, the structural unit is expanded, and when the first type guy cable is shortened, the structural unit is contracted. The basic units are periodically arranged on a two-dimensional plane, a large-scale negative poisson ratio structure with periodic symmetry can be formed, and the method has a good application prospect in a negative poisson ratio cable-rod structure system.

摘要：【中文】本发明公开了一种三氯蔗糖生产过程中产生的VOCs及恶臭气体的处理方法，首先将废气送入喷淋塔内，将原本难以生物处理的大分子有机物、以及对生物毒性大的恶臭分子进行预降解，以降低废气生物毒性；然后作为营养源与气源通入废水处理系统中，对废气进行快速降解，从而实现利用废水系统同时进行废气处理。本发明以化学试剂水溶液预处理和微生物处理相结合，相互协同作用，既避免了化学溶剂单级处理排放不达标的缺点，又有效降低了废气对生物的毒性，实现了VOCs和恶臭气体的达标排放。本发明处理工艺简单、运行成本低、适用性广、废气去除率高，采用湿式处理工艺，彻底杜绝了爆炸、燃烧的风险，为工业生产的废气处理提供新的途径。 【EN】The invention discloses a method for treating VOCs and malodorous gases generated in the production process of sucralose, which comprises the steps of firstly sending waste gas into a spray tower, and pre-degrading macromolecular organic matters which are difficult to biologically treat originally and malodorous molecules with high biological toxicity to reduce the biological toxicity of the waste gas; then the waste gas is introduced into a waste water treatment system as a nutrient source and a gas source to rapidly degrade the waste gas, thereby realizing the simultaneous waste gas treatment by utilizing the waste water system. The invention combines the pretreatment of the chemical reagent aqueous solution and the microbial treatment, and the mutual synergistic effect avoids the defect that the discharge of the single-stage treatment of the chemical solvent does not reach the standard, effectively reduces the toxicity of the waste gas to the organisms, and realizes the standard discharge of VOCs and malodorous gas. The invention has simple treatment process, low operation cost, wide applicability and high waste gas removal rate, adopts a wet treatment process, thoroughly avoids the risks of explosion and combustion, and provides a new approach for the waste gas treatment of industrial production.