摘要：【中文】本发明提出了一种回弹式集电器，包括集电器本体，所述集电器本体包括固定结构，所述集电器本体包括至少两个水平上下平行放置的集电刷，集电刷外侧端与滑触线接触，所述集电刷与固定结构之间，设有调节集电刷外侧端，到固定结构外侧端距离的弹性调节组件。集电刷为金属(含铜，银)石墨类材质的轮子结构，且轮子直径比较大，大大减少了集电刷甚至滑触线的磨损量。提供一种可调节厚度以适用于不同连接环境，应用范围广，使用方便安全。 【EN】The invention provides a rebound current collector, which comprises a current collector body, wherein the current collector body comprises a fixed structure, the current collector body comprises at least two current collecting brushes which are horizontally arranged in an up-down parallel mode, the outer side ends of the current collecting brushes are in contact with a sliding contact line, and an elastic adjusting assembly for adjusting the distance from the outer side ends of the current collecting brushes to the outer side ends of the fixed structure is arranged between the current collecting brushes and the fixed structure. The current collecting brush is of a wheel structure made of metal (copper and silver-containing) graphite materials, the diameter ratio of the wheel is large, and the abrasion loss of the current collecting brush and even a sliding contact line is greatly reduced. The thickness of the adjustable connector is adjustable so as to be suitable for different connection environments, the application range is wide, and the use is convenient and safe.

摘要：【中文】本发明涉及气压开关领域，具体是涉及一种气压高度开关温度补偿系统，应用于气压高度开关，包括有电源转化单元、温控开关和信号运算电路；电源转化单元将输入电压转换为规定大小的输出电压，并将其提供给温控开关和信号运算电路；温控开关感受被测气体的温度高低变化，在低温时开启并将产生的信号传输至信号运算电路，信号运算电路利用温控开关输入的信号通过预设的温度修正参数对气压传感器输入的信号进行修正，并将修正后的信号传输给驱动单元；该技术方案解决了国产气压高度开关在‑55～40℃区间工作环境输出数值精度低的问题。 【EN】The invention relates to the field of air pressure switches, in particular to an air pressure height switch temperature compensation system which is applied to an air pressure height switch and comprises a power supply conversion unit, a temperature control switch and a signal operation circuit; the power supply conversion unit converts the input voltage into output voltage with specified magnitude and provides the output voltage to the temperature control switch and the signal operation circuit; the temperature control switch senses the temperature change of the gas to be detected, is turned on at low temperature and transmits a generated signal to the signal operation circuit, and the signal operation circuit corrects the signal input by the air pressure sensor through a preset temperature correction parameter by using the signal input by the temperature control switch and transmits the corrected signal to the driving unit; the technical scheme solves the problem that the output numerical value precision of a domestic air pressure altitude switch in a working environment of-55-40 ℃ is low.

摘要：【中文】本发明提供一种铁路智能数据门户的管理系统和方法，其中，铁路智能数据门户的管理系统包括：单点登录模块，允许用户在铁路智能数据门户内跨系统访问各应用系统；分级权限管理模块，用于支持用户的分级管理，支持将资源授权给不同的对象，并进行权限控制；智能分析推荐模块，用于根据用户的关联信息，智能推荐用户需要关注的问题，实现个性化页面内容的智能更新；个性化定制模块，用于支持用户的个性化定制功能；数据可视化模块，用于对指标数据进行直观分析的可视化数据查询和分析。本发明提供的铁路智能数据门户的管理系统和方法，以解决现有铁路内部运营资源系统由于智能化程度较低，影响决策分析的问题，从而实现对运营资源有效分析。 【EN】The invention provides a management system and a method of a railway intelligent data portal, wherein the management system of the railway intelligent data portal comprises the following steps: the single sign-on module allows a user to access each application system in a railway intelligent data portal in a cross-system manner; the hierarchical authority management module is used for supporting hierarchical management of users, authorizing resources to different objects and performing authority control; the intelligent analysis recommending module is used for intelligently recommending the problems which need to be concerned by the user according to the associated information of the user and realizing intelligent updating of the personalized page content; the personalized customization module is used for supporting the personalized customization function of the user; and the data visualization module is used for visually analyzing the index data to query and analyze the visualized data. The management system and the management method of the railway intelligent data portal provided by the invention are used for solving the problem that the decision analysis is influenced by the existing railway internal operation resource system due to lower intelligent degree, thereby realizing the effective analysis of the operation resources.

摘要：【中文】本发明涉及气压开关领域，具体是涉及一种气压高度开关，包括有壳体、硬件电路和线束端子；硬件电路包括有气压采集单元、温度采集单元、温度补偿单元、驱动单元；气压采集单元感受被测气体的压力高低变化，将产生的信号传输至温度补偿单元；温度采集单元感受被测气体的温度高低变化，将产生的信号传输至温度补偿单元，温度补偿单元通过温度采集单元输入的信号对气体采集单元输入的信号进行补偿修正，然后将修正后的信号传输给驱动单元；驱动单元对采集到的信号进行处理，并在处理完后通过线束端子输出信号；该技术方案解决了气体压力开关在环境温度较为极端时工作精度不高的问题。 【EN】The invention relates to the field of air pressure switches, in particular to an air pressure height switch, which comprises a shell, a hardware circuit and a wiring harness terminal, wherein the shell is provided with a first opening and a second opening; the hardware circuit comprises an air pressure acquisition unit, a temperature compensation unit and a driving unit; the air pressure acquisition unit senses the pressure change of the detected air and transmits the generated signal to the temperature compensation unit; the temperature acquisition unit senses the temperature change of the gas to be detected, transmits the generated signal to the temperature compensation unit, and the temperature compensation unit performs compensation and correction on the signal input by the gas acquisition unit through the signal input by the temperature acquisition unit and then transmits the corrected signal to the driving unit; the driving unit processes the acquired signals and outputs the signals through the wire harness terminal after the processing is finished; the technical scheme solves the problem that the working precision of the gas pressure switch is not high when the environmental temperature is relatively extreme.

摘要：【中文】本发明公开了一种基于二维图像引导的改进三维点云配准方法、系统及可读存储介质，该方法采用点到面的距离作为目标函数的度量，利用FLANN最近邻算法搜寻方法搜寻最近邻点，先后采用基于彩色图像引导的深度图像滤波方法和基于PCA方法进行降采样，提高了深度点准确度的同时减少了后面迭代过程的计算量，可实现快速的三维点云配准，具有鲁棒性高，计算量小等优点，有效满足了机器人自定位、地图创建等应用领域中对三维点云配准的迫切需求。 【EN】The invention discloses an improved three-dimensional point cloud registration method, a system and a readable storage medium based on two-dimensional image guidance, wherein the method adopts the distance from a point to a surface as the measurement of an objective function, searches a nearest neighbor point by using a FLANN nearest neighbor algorithm searching method, successively adopts a depth image filtering method based on color image guidance and a PCA (principal component analysis) method to perform downsampling, improves the accuracy of the depth point, reduces the calculated amount of a subsequent iteration process, can realize quick three-dimensional point cloud registration, has the advantages of high robustness, small calculated amount and the like, and effectively meets the urgent requirements of the three-dimensional point cloud registration in the application fields of robot self-positioning, map creation and the like.

摘要：【中文】本发明公开了一种车辆超高监测装置及监测方法，车辆超高监测装置包括至少2台激光发射机和至少2台接收机，激光发射机发射的激光束照射在其对应接收机的感应窗内，所有激光发射机发射的激光束互相交叉；接收机或激光发射机的旁边设有控制主机。一种车辆超高监测方法，包括以下步骤：步骤1：确定所需监测的车道，设置激光束互相交叉点的位置；步骤2：根据车道内规定车辆的行驶方向，确定超高车辆触碰激光束的先后顺序，并将其在控制主机内设定；步骤3：判断需要监测的车道内的车辆是否超高。本发明的车辆超高监测装置结构简单，在原有车辆超高监测装置的基础上，仅增加一对激光发射接收机，就可以做到区分监测车道，成本低，可操作性强。 【EN】The invention discloses a vehicle superelevation monitoring device and a monitoring method, wherein the vehicle superelevation monitoring device comprises at least 2 laser transmitters and at least 2 receivers, laser beams emitted by the laser transmitters are irradiated in induction windows of the corresponding receivers, and the laser beams emitted by all the laser transmitters are intersected with each other; a control host is arranged beside the receiver or the laser transmitter. A vehicle superelevation monitoring method comprises the following steps: step 1: determining a lane to be monitored, and setting the position of a cross point of laser beams; step 2: determining the sequence of the ultrahigh vehicle touching the laser beams according to the running direction of the specified vehicle in the lane, and setting the sequence in the control host; and step 3: and judging whether the vehicle in the lane to be monitored is ultrahigh. The vehicle superelevation monitoring device is simple in structure, capable of distinguishing the monitored lanes by only adding a pair of laser emitting and receiving devices on the basis of the original vehicle superelevation monitoring device, low in cost and high in operability.

摘要：【中文】本发明公开了一种气液多相喷射清除DPF颗粒和灰分的装置及控制方法，气液多相喷射装置包含柴油与空气预混喷射、清洗溶液喷射和尾端灭焰溶液喷射等装置；根据柴油机实际运行的工况，由气液多相喷射控制器采集柴油机中的转速、运行时间和油门位置等信息，实时调整DPF再生时间、柴油、空气和溶液喷射量等参数；本发明的气液多相喷射装置及控制方法具备DPF清灰和尾端灭焰的功能；本发明在现有DPF再生技术的基础上，降低了颗粒数并消除了再生过程中尾焰引火的风险，达到提高柴油机DPF后处理性能的目的。 【EN】The invention discloses a device for removing DPF (diesel particulate filter) particles and ash by gas-liquid multiphase injection and a control method, wherein the gas-liquid multiphase injection device comprises devices for diesel oil and air premixed injection, cleaning solution injection, tail end flame-extinguishing solution injection and the like; according to the actual operation condition of the diesel engine, a gas-liquid multiphase injection controller acquires information such as the rotating speed, the operation time and the position of an accelerator in the diesel engine, and parameters such as DPF regeneration time, diesel oil, air and solution injection amount are adjusted in real time; the gas-liquid multiphase injection device and the control method have the functions of DPF ash removal and tail end flame extinction; on the basis of the existing DPF regeneration technology, the invention reduces the particle number, eliminates the risk of tail flame ignition in the regeneration process and achieves the purpose of improving the post-treatment performance of the DPF of the diesel engine.

摘要：【中文】本发明适用于通信设备技术领域，提供了一种应用于多波束天线馈电网络的定向耦合器，包括有第一微带线结构、第二微带线结构以及中层介质基板，所述第一微带线结构、所述中层介质基板以及所述第二微带线结构依次上下压合固定，所述第一微带线结构的第一耦合线置于所述中层介质基板的顶层，所述第二微带线结构的第二耦合线置于所述中层介质基板的底层。借此，本发明能够实现90度的相移，降低驻波以达到良好的传输性能，很好的应用于多波束的馈电网络中。 【EN】The invention is suitable for the technical field of communication equipment, and provides a directional coupler applied to a multi-beam antenna feed network, which comprises a first microstrip line structure, a second microstrip line structure and a middle-layer medium substrate, wherein the first microstrip line structure, the middle-layer medium substrate and the second microstrip line structure are sequentially pressed and fixed up and down, a first coupling line of the first microstrip line structure is arranged on the top layer of the middle-layer medium substrate, and a second coupling line of the second microstrip line structure is arranged on the bottom layer of the middle-layer medium substrate. Therefore, the phase shift of 90 degrees can be realized, the standing wave is reduced to achieve good transmission performance, and the phase shift filter is well applied to a multi-beam feed network.

摘要：【中文】本发明涉及一种原位EPDM微纤增强聚乳酸复合材料及其制备方法与应用。首先，利用双螺杆共混挤出机进行熔融共混，制备以PLA为基体相、EPDM微粒为分散相的混合物；然后，利用牵引纺丝设备，对经熔融挤出的PLA/EPDM共混物进行牵引纺丝，得到以PLA为基体相、EPDM微纤为分散相的PLA/EPDM复合材料纤维；最后，以PLA/EPDM复合材料纤维为原料，利用单螺杆挤出机进行熔融挤出造粒，从而得到颗粒状的原位EPDM微纤增强PLA复合材料。与未经改性的PLA相比，采用本发明的方法制备的EPDM微纤增强PLA复合材料具有显著增强的韧性，同时还能够保持PLA原有的高强度和高刚性，这对于拓展PLA材料的应用具有极其重要的意义。 【EN】The invention relates to an in-situ EPDM microfiber reinforced polylactic acid composite material and a preparation method and application thereof. Firstly, melt blending is carried out by utilizing a double-screw blending extruder to prepare a mixture taking PLA as a matrix phase and EPDM particles as a dispersed phase; then, carrying out traction spinning on the melt-extruded PLA/EPDM blend by utilizing traction spinning equipment to obtain a PLA/EPDM composite material fiber with PLA as a matrix phase and EPDM microfiber as a disperse phase; and finally, melting, extruding and granulating the PLA/EPDM composite material fiber serving as a raw material by using a single-screw extruder to obtain the granular in-situ EPDM microfiber-reinforced PLA composite material. Compared with unmodified PLA, the EPDM microfiber reinforced PLA composite material prepared by the method has obviously enhanced toughness, and can keep the original high strength and high rigidity of PLA, which has extremely important significance for expanding the application of PLA materials.

摘要：【中文】本发明提出了一种集电盒，所述集电盒内弹性铰接机电轮总成；自动调高装置，内部安装有弹性升降的导杆，导杆上部自由端伸出自动调高装置，所述导杆上端与所述集电盒下表面连接固定。具有结构小巧、转弯半径小、高度自动调节等功能，可保证集电刷始终与滑触线接触，而且采用轮式结构，可大大减少滑动摩擦损耗，增加集电器使用寿命。 【EN】The invention provides a current collection box, wherein an electromechanical wheel assembly is elastically hinged in the current collection box; the automatic height-adjusting device is internally provided with an elastic lifting guide rod, the free end of the upper part of the guide rod extends out of the automatic height-adjusting device, and the upper end of the guide rod is fixedly connected with the lower surface of the collecting box. The sliding contact brush has the advantages of being small in structure, small in turning radius, automatic in height adjustment and the like, capable of guaranteeing that the collecting brush is always in contact with a sliding contact line, capable of greatly reducing sliding friction loss and prolonging service life of a collector due to the adoption of a wheel type structure.