摘要：【中文】本发明公开了一种高温用巨电致应变陶瓷材料，其以Bi_0.5Na_0.5TiO₃和Bi_0.1Na_0.7NbO₃为基体，化学组成成分为(1‑x)Bi_0.5Na_0.5TiO₃‑xBi_0.1Na_0.7NbO₃，其中x＝0.05‑0.2，对应x＝0.1的陶瓷材料在185℃达到单极应变最大值1.6％左右，其与目前最大的单晶的应变数值相当，超出目前的含铅或无铅的压电陶瓷，具有优异的性能。并且，其电致应变曲线具有较小的滞后性，线性度较好，可以较为精确地通过相应的电场控制材料的应变数值，有望在高温压电材料领域如汽车的电控汽油喷射系统以及高温压电致动器或马达等领域中得到应用，并且可用于高温下的精确控制致动系统。 【EN】The invention discloses a giant electrostrictive strain ceramic material for high temperature, which is prepared from Bi_0.5Na_0.5TiO₃And Bi_0.1Na_0.7NbO₃Is a matrix, and the chemical composition is (1-x) Bi_0.5Na_0.5TiO₃‑xBi_0.1Na_0.7NbO₃Ceramic materials in which x is 0.05 to 0.2, corresponding to x 0.1, reach a maximum unipolar strain of about 1.6% at 185 ℃, which is comparable to the maximum current single crystal strain values, and have superior performance over current lead-containing or lead-free piezoelectric ceramics. In addition, the electrostriction curve has smaller hysteresis and better linearity, can accurately control the strain value of the material through a corresponding electric field, and is expected to be used in the field of high-temperature piezoelectric materials, such as an electric control gasoline injection system of an automobileAnd high temperature piezoelectric actuators or motors, and can be used in precision control actuation systems at high temperatures.

摘要：【中文】本发明提供了一种体外受精培养皿，涉及辅助生殖技术用医疗器械技术领域，解决了现有技术中存在的体外受精培养皿不能对精子进行优选的技术问题。该体外受精培养皿包括培养皿本体和皿盖，培养皿本体内设置有容纳腔室，容纳腔室内设置有一个精子容置区和至少两个卵子容置区，卵子容置区和精子容置区之间通过导流通道相连通，精子容置区底端的上端面和卵子容置区底端的上端面均与培养皿本体底部的上端面相齐平，导流通道底端的下端面与培养皿本体底部的上端面之间存在空隙，培养皿本体的两侧设有与培养皿本体活动连接的提手。 【EN】The invention provides an in vitro fertilization culture dish, relates to the technical field of medical instruments for an assisted reproduction technology, and solves the technical problem that in the prior art, the in vitro fertilization culture dish cannot optimize sperms. This external fertilization culture dish includes culture dish body and dish lid, this internal chamber that holds that is provided with of culture dish, it is provided with a sperm holding district and two at least ovum holding districts in the chamber to hold, be linked together through the water conservancy diversion passageway between ovum holding district and the sperm holding district, the up end of sperm holding district bottom and the up end of ovum holding district bottom all flush with the up end of culture dish body bottom mutually, there is the space between the up end of the lower terminal surface of water conservancy diversion passageway bottom and culture dish body bottom, the both sides of culture dish body are equipped with the handle with culture dish body swing joint.

摘要：【中文】本发明公开了一种可互换且避奇异的七自由度上肢外骨骼康复机器人，由肩部外展内收和屈曲伸展、大臂旋内旋外、肘部屈曲伸展、小臂旋内旋外、腕部外展内收和屈曲伸展七个关节组成。关节采用电机直驱，其中大臂和小臂旋转关节采用齿轮驱动。通过紧固件配合滑动槽实现了臂杆长度和双臂外骨骼间距的无极调节；本发明拆装方便，自由度配置符合人体生理学，尺寸可调，关节避奇异，支持移动式坐姿和固定式站姿训练，分别采用轮椅和固定安装架来安装外骨骼；单臂外骨骼具备左右手可互换训练的特点，降低了使用成本；针对不同的康复阶段支持被动、主动和抗阻三大训练模式，被动训练支持镜像训练和示教训练，实用性强，可供医疗机构使用。 【EN】The invention discloses an interchangeable and strange-avoiding seven-degree-of-freedom upper limb exoskeleton rehabilitation robot which consists of seven joints, namely, shoulder abduction adduction and flexion extension, large arm rotation internal rotation external extension, elbow flexion extension, small arm rotation internal rotation external extension, wrist abduction adduction and flexion extension. The joints are directly driven by a motor, wherein the large arm and the small arm rotary joints are driven by gears. Stepless adjustment of the length of the arm rod and the distance between the two-arm exoskeleton is realized by matching the fastener with the sliding groove; the exoskeleton robot is convenient to disassemble and assemble, the configuration of freedom degree accords with human physiology, the size is adjustable, joints are kept from strangeness, movable sitting posture and fixed standing posture training are supported, and the exoskeleton is installed by adopting a wheelchair and a fixed installation frame respectively; the single-arm exoskeleton has the characteristic that the left hand and the right hand can be used for training interchangeably, so that the use cost is reduced; the passive, active and resistance training modes are supported aiming at different rehabilitation stages, the passive training supports mirror image training and teaching training, the practicability is high, and the device can be used by medical institutions.

摘要：【中文】本发明公开了一种用于抑制预冷器结霜的模拟计算方法，可以实现对预冷器结霜全过程的运算，揭示湿空气近冷壁面结霜现象的本质及影响因素，使得湿空气结霜过程的研究更加完善；通过计算可得，在一定时间范围内，增大管间距，减小管径，降低湿空气进口流速，提高管壁壁温或者降低湿空气进口相对湿度可以有效抑制预冷器极低温管束表面霜层的形成，起到抑霜作用。 【EN】The invention discloses a simulation calculation method for inhibiting the frosting of a precooler, which can realize the operation of the whole frosting process of the precooler and reveal the essence and influencing factors of the frosting phenomenon of a near-cold wall surface of wet air, so that the research of the frosting process of the wet air is more perfect; the calculation can obtain that the tube spacing is increased, the tube diameter is reduced, the flow velocity of the wet air inlet is reduced, the wall temperature of the tube wall is increased or the relative humidity of the wet air inlet is reduced in a certain time range, so that the formation of a frost layer on the surface of the ultralow-temperature tube bundle of the precooler can be effectively inhibited, and the frost inhibition effect is achieved.

摘要：【中文】本发明公开了一种多传感智能化可穿戴下肢外骨骼机器人，包括腰髋部组件、髋关节驱动机构、大腿杆件、膝关节驱动机构、小腿杆件、足部组件；腰髋部组件包括背板、第一拉压力传感器、髋部固定杆、髋部调节杆、髋关节杆件；背板固定在髋部固定杆上；髋部固定杆左右两端分别连接有髋部调节杆；两个髋部调节杆另一端均连接有髋关节杆件；背板上设有第一连接件，第一连接件上设有绑带第一拉压力传感器固定于背板，且与第一连接件相连；两个大腿杆件内侧均设有第二拉压力传感器；两个小腿杆件内侧均设有第三拉压力传感器；足部组件上端通过第三转轴与小腿杆件下端转动连接；足部组件上设有压力传感器；本发明可实现下肢外骨骼机器人的多功能。 【EN】The invention discloses a multi-sensing intelligent wearable lower limb exoskeleton robot, which comprises a waist and hip assembly, a hip joint driving mechanism, a thigh rod piece, a knee joint driving mechanism, a shank rod piece and a foot assembly, wherein the waist and hip assembly is arranged on the waist and hip assembly; the waist and hip assembly comprises a back plate, a first pull pressure sensor, a hip fixing rod, a hip adjusting rod and a hip joint rod piece; the back plate is fixed on the hip fixing rod; the left end and the right end of the hip fixing rod are respectively connected with a hip adjusting rod; the other ends of the two hip adjusting rods are connected with hip joint rods; the first connecting piece is arranged on the back plate, and the first connecting piece is provided with a binding belt, and the first pulling and pressing sensor is fixed on the back plate and connected with the first connecting piece; the inner sides of the two thigh rod pieces are respectively provided with a second pulling pressure sensor; third pull pressure sensors are arranged on the inner sides of the two shank rods; the upper end of the foot component is rotationally connected with the lower end of the shank rod piece through a third rotating shaft; the foot component is provided with a pressure sensor; the invention can realize the multifunction of the lower limb exoskeleton robot.

摘要：【中文】本发明提供了一种轴向柱塞泵，其包括泵壳以及设置于泵壳内的输入轴、端面凸轮和柱塞，泵壳的内侧壁上连接有至少两组相对设置的限位组件，限位组件包括两能相对泵壳转动的限位件；输入轴的第一端穿出泵壳；端面凸轮的凸轮盘夹设于各限位组件的两限位件之间，端面凸轮的第一端通过联轴器与输入轴的第二端相接；柱塞的外部套接有柱塞套，柱塞的一端连接有柱塞杆，柱塞杆与端面凸轮的第二端相接，端面凸轮能带动柱塞同步转动并能驱动柱塞相对柱塞套轴向往复移动。本发明的轴向柱塞泵，传动受力简单且零件少，有效减小了整体体积，并降低了生产成本。 【EN】The invention provides an axial plunger pump, which comprises a pump shell, an input shaft, an end face cam and a plunger, wherein the input shaft, the end face cam and the plunger are arranged in the pump shell; the first end of the input shaft penetrates out of the pump shell; the cam disc of the end face cam is clamped between the two limiting parts of each limiting component, and the first end of the end face cam is connected with the second end of the input shaft through the coupler; the plunger sleeve is sleeved outside the plunger, one end of the plunger is connected with a plunger rod, the plunger rod is connected with the second end of the end face cam, and the end face cam can drive the plunger to synchronously rotate and can drive the plunger to axially reciprocate relative to the plunger sleeve. The axial plunger pump has the advantages of simple transmission stress and few parts, effectively reduces the whole volume and reduces the production cost.

摘要：【中文】本发明提供了一种电磁阀及轨姿控发动机。电磁阀包括：阀座，所述阀座上设置有阀口；线圈组件，所述线圈组件套设在所述阀座外周并与所述阀座围设形成阀腔；衔铁组件，所述衔铁组件可移动地安装在所述阀腔内以将所述阀口打开或者关闭，所述衔铁组件包括衔铁、金属基体以及非金属密封件，所述非金属密封件与所述金属基体热压后与所述衔铁连接为一体。本发明的电磁阀的衔铁组件的各组件和零件，结构和功能上彼此独立，可分别加工、装配。电磁阀设计时，对软磁材料选择时可降低对加工性能的要求，有利于选用高磁性能材料，减小产品结构质量，减小电磁阀产品结构质量，提高产品寿命可靠性。 【EN】The invention provides a solenoid valve and a rail attitude control engine. The solenoid valve includes: the valve seat is provided with a valve port; the coil assembly is sleeved on the periphery of the valve seat and surrounds the valve seat to form a valve cavity; the armature component is movably arranged in the valve cavity to open or close the valve port and comprises an armature, a metal base body and a non-metal sealing piece, and the non-metal sealing piece and the metal base body are connected with the armature into a whole after being hot-pressed. The components and parts of the armature component of the electromagnetic valve are independent from each other in structure and function and can be processed and assembled respectively. When the electromagnetic valve is designed, the requirement on the processing performance can be reduced when the soft magnetic material is selected, the high magnetic performance material is favorably selected, the product structure quality is reduced, the electromagnetic valve product structure quality is reduced, and the service life reliability of the product is improved.

摘要：【中文】本发明提供了一种带电连接器自锁阀的安装固定装置，包括：至少两个U形卡箍，至少两个所述U形卡箍沿同一直线间隔布置，至少两个所述U形卡箍卡设在所述带电连接器自锁阀的阀体上；连接件，所述连接件用于将至少两个所述U形卡箍连接在一起；底座，所述底座位于所述连接件的底部，所述连接件和所述底座通过锁定组件固定在预定结构上。通过本发明的带电连接器自锁阀的安装固定装置的作用，能够将带电连接器自锁阀安装固定在承力板上，能够有效避免管路因自锁阀未安装牢靠在振动环境中发生破坏，造成高压气体或液体推进剂发生泄漏的问题，结构简单，便于实现。 【EN】The invention provides a mounting and fixing device for a self-locking valve of a live electric connector, which comprises: the at least two U-shaped hoops are arranged at intervals along the same straight line, and are clamped on a valve body of the self-locking valve of the electrified connector; a connector for connecting at least two of the U-shaped clamps together; the base is positioned at the bottom of the connecting piece, and the connecting piece and the base are fixed on a preset structure through a locking assembly. By the aid of the installation and fixation device for the self-locking valve of the electrified connector, the self-locking valve of the electrified connector can be installed and fixed on the bearing plate, the problem that high-pressure gas or liquid propellant leaks due to the fact that a pipeline is damaged in a vibration environment because the self-locking valve is not installed firmly can be effectively solved, and the installation and fixation device is simple in structure and convenient to achieve.

摘要：【中文】本发明提供了一种双组元五机组合动力系统，包括：安装块，设置有氧化剂入口、燃料入口、氧化剂集合槽、燃料集合槽、氧化剂流道、燃料流道、姿控发动机氧化剂流道、姿控发动机燃料流道、轨控发动机氧化剂流道、轨控发动机燃料流道；姿控推力室，安装在安装块上，姿控发动机氧化剂流道连接在姿控推力室与氧化剂集合槽之间，姿控发动机燃料流道连接在燃料集合槽与姿控推力室之间；轨控推力室，安装在安装块上，轨控发动机氧化剂流道连接在氧化剂集合槽与轨控推力室之间，轨控发动机燃料流道连接在燃料集合槽与轨控推力室之间。该结构无管路和接头，结构紧凑，重量较小，可靠性高，占用空间较少，安装维护较为便捷。 【EN】The invention provides a double-component five-machine combined power system, which comprises: the mounting block is provided with an oxidant inlet, a fuel inlet, an oxidant collecting groove, a fuel collecting groove, an oxidant flow passage, a fuel flow passage, an attitude control engine oxidant flow passage, an attitude control engine fuel flow passage, an orbit control engine oxidant flow passage and an orbit control engine fuel flow passage; the attitude control thrust chamber is arranged on the mounting block, an oxidant flow passage of the attitude control engine is connected between the attitude control thrust chamber and the oxidant collecting tank, and a fuel flow passage of the attitude control engine is connected between the fuel collecting tank and the attitude control thrust chamber; and the rail-controlled thrust chamber is arranged on the mounting block, an oxidant runner of the rail-controlled engine is connected between the oxidant collection groove and the rail-controlled thrust chamber, and a fuel runner of the rail-controlled engine is connected between the fuel collection groove and the rail-controlled thrust chamber. The structure has no pipeline and joint, compact structure, light weight, high reliability, less occupied space and convenient installation and maintenance.

摘要：【中文】本发明提供了一种氧化亚氮发动机。该氧化亚氮发动机包括：分解室，所述分解室内盛放有催化剂，所述分解室上设置有氧化亚氮入口；加热装置，所述加热装置用于对所述分解室内的催化剂进行加热。本发明中的氧化亚氮发动机能够作为目前主流有毒推进剂的代替品，并提高氧化亚氮发动机的低温环境适应性。 【EN】The invention provides a nitrous oxide engine. The nitrous oxide engine includes: the decomposition chamber is internally provided with a catalyst and is provided with a nitrous oxide inlet; a heating device for heating the catalyst in the decomposition chamber. The nitrous oxide engine can be used as a substitute of the mainstream toxic propellant at present, and the low-temperature environment adaptability of the nitrous oxide engine is improved.