摘要：【中文】本发明提供一种手术室设备的电源管理方法、电源系统、手术灯和手术床。该方法用于为手术室设备提供电源系统，该电源系统包括主电源、备用电源和主备切换电路；该方法包括检测主电源的电平信号，根据主电源的电平信号的变化，驱动主备切换电路主备切换电路，使备用电源经过升压之后为手术床组件的驱动设备或者手术灯组件中的供电设备供电，或者使主电源为手术床组件的驱动设备或者手术灯组件中的供电设备供电。在本方案中，主备切换电路通过检测主电源的电平信号的检测结果，完成主备电源的快速切换，避免出现切换过程电压跌落，导致供电不稳的问题，实现在进行主备电源切换过程中为后端负载进行稳定供电的目的。 【EN】The invention provides a power management method of operating room equipment, a power system, an operating lamp and an operating bed. The method is used for providing a power supply system for operating room equipment, wherein the power supply system comprises a main power supply, a standby power supply and a main/standby switching circuit; the method comprises the steps of detecting a level signal of a main power supply, driving a main/standby switching circuit of the main/standby switching circuit according to the change of the level signal of the main power supply, and enabling the standby power supply to supply power to driving equipment of an operating bed assembly or power supply equipment in the operating lamp assembly after being boosted, or enabling the main power supply to supply power to the driving equipment of the operating bed assembly or the power supply equipment in the operating lamp assembly. In the scheme, the main/standby switching circuit completes the rapid switching of the main/standby power supplies by detecting the detection result of the level signal of the main power supply, so that the problem of unstable power supply caused by voltage drop in the switching process is avoided, and the purpose of stably supplying power to a rear-end load in the switching process of the main/standby power supplies is realized.

摘要：【中文】本发明适用于不间断电源技术领域，提供了一种充放电控制方法、充放电控制装置及UPS。应用于并机系统中共用同一电池组的至少两个UPS中的每个UPS，该充放电控制方法包括：获取载波同步信号，并基于载波同步信号对自身逆变模块的初始载波信号进行同步调节，得到自身逆变模块的同步载波信号；基于自身逆变模块的同步载波信号对自身充放电模块的初始载波信号进行同步调节，得到自身充放电模块的同步载波信号；基于自身充放电模块的同步载波信号对自身充放电模块进行充放电控制。本发明能够实现并机系统中共用电池组的UPS的充放电同步控制，有利于保障并机系统的稳定运行。 【EN】The invention is suitable for the technical field of uninterruptible power supplies, and provides a charge and discharge control method, a charge and discharge control device and a UPS. The charging and discharging control method is applied to each UPS of at least two UPSs sharing the same battery pack in a parallel operation system, and comprises the following steps: acquiring a carrier synchronization signal, and synchronously adjusting an initial carrier signal of the self-inversion module based on the carrier synchronization signal to obtain a synchronous carrier signal of the self-inversion module; synchronously adjusting the initial carrier signal of the self charge-discharge module based on the synchronous carrier signal of the self inversion module to obtain the synchronous carrier signal of the self charge-discharge module; and carrying out charge-discharge control on the self charge-discharge module based on the synchronous carrier signal of the self charge-discharge module. The invention can realize the charge-discharge synchronous control of the UPS of the common battery pack in the parallel operation system, and is beneficial to ensuring the stable operation of the parallel operation system.

摘要：【中文】本发明公开了一种用于数控砂带机打磨五金产品的内直角两面工装，包括马达，所述马达下方连接涡轮蜗杆减速升降微调机构，所述涡轮蜗杆减速升降微调机构下方设有调节控制器，所述涡轮蜗杆减速升降微调机构右侧设有销子，所述马达右侧连接砂带主动轮，所述砂带主动轮连接砂带，所述砂带中部两侧设有砂带定位架，所述砂带下端右侧设有砂带修边器，所述砂带连接磨头轴，所述磨头轴连接磨头轴承座，所述砂带下方放置工件。该发明，可以对五金剪刀钳子等厚刃口的磨削、研抛，可以同时磨削两个内直角面，提高效率，节省能源，同时砂带侧面可保证在一条直线上，使得侧面磨削的平整性更好。 【EN】The invention discloses an inner right-angle two-side tool for polishing hardware products by a numerical control belt sander, which comprises a motor, wherein a turbine and worm speed-reducing lifting fine adjustment mechanism is connected below the motor, an adjusting controller is arranged below the turbine and worm speed-reducing lifting fine adjustment mechanism, a pin is arranged on the right side of the turbine and worm speed-reducing lifting fine adjustment mechanism, an abrasive belt driving wheel is connected on the right side of the motor, the abrasive belt driving wheel is connected with an abrasive belt, abrasive belt positioning frames are arranged on two sides of the middle part of the abrasive belt, an abrasive belt edger is arranged on the right side of the lower end of the abrasive belt, the abrasive belt is connected with a grinding head shaft, the grinding. The grinding and polishing device can grind and polish the equal-thickness cutting edges of hardware scissors and pliers, can grind two inner right-angle surfaces simultaneously, improves efficiency, saves energy, and ensures that the side surfaces of the abrasive belt are on the same straight line, so that the grinding smoothness of the side surfaces is better.

摘要：【中文】本发明属于高分子材料加工的技术领域，公开了一种全生物降解的串晶化高耐热聚乳酸复合材料及其制备方法。所述方法：将PLA与PBAT的熔融共混粒进行多流场协同调控聚合物微观结构模塑成型，获得串晶化高耐热聚乳酸复合材料；所述多流场协同调控聚合物微观结构模塑成型是指PLA与PBAT的熔体受到推拉及振荡复合外力场的作用，然后在模具中成型。本发明在PLA基体中加入PBAT并同时施加振荡推拉复合流场，促进形成大量互锁的PLA/PBAT纳米杂化串晶。本发明的PLA/PBAT复合材料具有优异的力学和耐热性能，且成型参数简便易控，相比传统的聚合物模塑成型技术有明显的优势。 【EN】The invention belongs to the technical field of processing of high polymer materials, and discloses a full-biodegradable serial-crystal high-heat-resistance polylactic acid composite material and a preparation method thereof. The method comprises the following steps: performing multi-flow field cooperative regulation and control on a polymer microstructure molding on the melt blending granules of PLA and PBAT to obtain a crystallized high-heat-resistance polylactic acid composite material; the molding of the microstructure of the polymer by the cooperation of the multi-flow field and the regulation refers to that the melt of PLA and PBAT is subjected to the action of a push-pull and oscillation composite external force field and then is molded in a mold. According to the invention, the PBAT is added into the PLA substrate, and the oscillation push-pull composite flow field is applied at the same time, so that a large amount of interlocked PLA/PBAT nano hybrid crystal clusters are promoted to be formed. The PLA/PBAT composite material has excellent mechanical and heat-resistant properties, and the forming parameters are simple and easy to control, and has obvious advantages compared with the traditional polymer molding technology.

摘要：【中文】本发明涉及高功率激光测试技术领域，公开了一种高功率激光衰减器，包括：分光镜片和吸光组件，所述吸光组件包括散射镜、扩束镜筒、吸光体以及水冷套筒，所述散射镜安装于所述扩束镜筒的内部，所述扩束镜筒与所述水冷套筒活动连接，所述水冷套筒套设于所述吸光体的外壁；高功率激光入射至所述分光镜片分成透射光和反射光，所述透射光或者所述反射光入射至所述散射镜。本发明提供的高功率激光衰减器，将常规的直接机械吸收激光的方式转化为二级衰减方式，有效解决了高功率激光的热效应问题，同时结构简单，体积紧凑，使用安全，大幅度降低了高功率激光器的测试成本。 【EN】The invention relates to the technical field of high-power laser testing, and discloses a high-power laser attenuator, which comprises: the light absorption assembly comprises a scattering lens, a beam expanding lens barrel, a light absorption body and a water cooling sleeve, the scattering lens is arranged inside the beam expanding lens barrel, the beam expanding lens barrel is movably connected with the water cooling sleeve, and the water cooling sleeve is sleeved on the outer wall of the light absorption body; high-power laser light is incident to the light splitting lens and is split into transmitted light and reflected light, and the transmitted light or the reflected light is incident to the scattering mirror. The high-power laser attenuator provided by the invention converts the conventional mode of directly and mechanically absorbing laser into a secondary attenuation mode, effectively solves the problem of the heat effect of high-power laser, has simple structure, compact volume and safe use, and greatly reduces the test cost of the high-power laser.

摘要：【中文】本发明提供了一种无连接器射频馈点输出型微波射频组件的测试装置，属于射频组件测试技术领域，包括测试台、测试组件以及弹性定位组件，其中，测试台用于固定安装微波射频组件，测试台上横向滑动连接有第一托板，第一托板上纵向滑动连接有第二托板，第二托板上固定连接有滑座；测试组件与滑座沿上下方向滑动连接；测试组件用于与测试电缆电连接，且用于测试微波射频组件上的射频馈点；弹性定位组件设于测试组件与滑座之间，用于向下定位测试组件的测试位置及带动测试组件向上弹起.本发明提供的一种无连接器射频馈点输出型微波射频组件的测试装置，测试效率高，测试过程安全可靠，而且能够通用多种无连接器射频馈点输出型微波射频组件。 【EN】The invention provides a testing device of a connector-free radio frequency feed point output type microwave radio frequency assembly, which belongs to the technical field of radio frequency assembly testing and comprises a testing platform, a testing assembly and an elastic positioning assembly, wherein the testing platform is used for fixedly mounting the microwave radio frequency assembly; the test component is connected with the sliding seat in a sliding manner along the up-down direction; the test assembly is used for being electrically connected with the test cable and testing a radio frequency feed point on the microwave radio frequency assembly; the testing device of the radio frequency feed point output type microwave radio frequency assembly without the connector provided by the invention has the advantages of high testing efficiency, safe and reliable testing process and capability of being universally used for various radio frequency feed point output type microwave radio frequency assemblies without the connector.

摘要：【中文】本发明公开了一种基于灰色预测的迭代制导方法和系统，该方法包括：对已知发动机推力矢量进行采样，得到采样序列：对采样序列进行一次累加，得到一次累加序列：根据一次累加序列对采样序列进行序列还原；确定白化方程组：通过最小二乘法求解得到白化方程组中的参数值；根据求解得到参数值，预测得到下一时刻的发动机推力矢量；根据预测得到的下一时刻的发动机推力矢量，预测得到下一时刻的速度矢量和位置矢量。本发明充分利用已有信息，并在线实时预测所需要的发动机推力矢量方向，可以简化迭代制导的计算过程，并且易于实现。 【EN】The invention discloses an iterative guidance method and system based on gray prediction, wherein the method comprises the following steps: for known engine thrust vectorSampling to obtain a sampling sequence: performing primary accumulation on the sampling sequence to obtain a primary accumulation sequence: performing sequence reduction on the sampling sequence according to the primary accumulation sequence; determining a whitening equation set: solving by a least square method to obtain parameter values in the whitening equation set; predicting to obtain an engine thrust vector at the next moment according to the solved parameter value; and predicting to obtain a speed vector and a position vector at the next moment according to the predicted engine thrust vector at the next moment. The invention fully utilizes the existing information, predicts the required thrust vector direction of the engine on line in real time, can simplify the calculation process of iterative guidance, and is easy to realize。

摘要：【中文】本发明一种引射蒸汽为辅助热源的尿素制氨系统涉及工业废气净化环保及能源技术领域，具体涉及一种引射蒸汽为辅助热源的尿素制氨系统，包括引射蒸汽辅助加热系统和尿素热解反应系统，所述引射蒸汽辅助加热系统通过蒸汽‑空气换热器与所述尿素热解反应系统相连。本发明通过蒸汽引射式热泵辅助加热稀释风来热解尿素，与其他加热方法相比，本发明方法通过高品位的高温高压蒸汽引射低品位的低温低压蒸汽，有效减小了系统冷端损失，同时减小了尿素热解所需的电加热功率，其安全性好、运行和投资费用适中，具有良好的应用前景。 【EN】The invention discloses a urea ammonia production system with injected steam as an auxiliary heat source, relates to the technical field of industrial waste gas purification, environmental protection and energy, and particularly relates to a urea ammonia production system with injected steam as an auxiliary heat source. Compared with other heating methods, the method provided by the invention has the advantages that high-grade high-temperature high-pressure steam is used for injecting low-grade low-temperature low-pressure steam, the loss of the cold end of the system is effectively reduced, the electric heating power required by urea pyrolysis is reduced, the safety is good, the operation and investment cost is moderate, and the application prospect is good.

摘要：【中文】本发明公开了一种面向大尺度遥感图像的多类目标快速检测方法，包括以下步骤：将大比例尺遥感图像进行裁剪，并通过重新缩放和旋转来增强数据；利用具有串联线性整流函数模块和Inception模块的卷积特征提取器，将所得的图像数据作为输入并输出多个级别的特征；构建多尺度目标提议网络，并利用多尺度目标提议网络将卷积特征提取器输出的特征生成类似目标区域预测框；构建基于融合特征映射的精确目标检测网络，输入带有类似目标区域预测框的图像，利用精确目标检测网络实现精确的目标检测，输出检测结果。实现了具有大尺度变化的遥感图像中的多类目标自动检测，使得对遥感图像的多目标的实时检测成为可能。 【EN】The invention discloses a large-scale remote sensing image-oriented multi-class target rapid detection method, which comprises the following steps: cutting the remote sensing image with the large scale, and enhancing data by rescaling and rotating; using a convolution feature extractor with a series linear rectification function module and an increment module, taking the obtained image data as input and outputting features of multiple levels; constructing a multi-scale target proposing network, and generating a similar target area prediction box from the features output by the convolution feature extractor by using the multi-scale target proposing network; and constructing an accurate target detection network based on fusion feature mapping, inputting an image with a similar target area prediction frame, realizing accurate target detection by using the accurate target detection network, and outputting a detection result. Automatic detection of multiple types of targets in the remote sensing image with large-scale change is realized, and real-time detection of multiple targets in the remote sensing image becomes possible.

摘要：【中文】本发明涉及一种连铸中间包开浇过程手动与自动开浇的自动切换方法，常规操作为自动控制，塞棒按照预设的开口度和幅度进行开浇，在液面达到预定高度后启动拉矫机，此时液面控制已与塞棒的开口度建立了自动控制连接，按照浇注曲线逐步抬高结晶器内钢水液面，直至达到设定值；在出现液面急剧上升或下降时，达到切换条件后自动介入手动控制，此时塞棒自动关闭、联锁至拉矫机动作，并进行报警，由浇钢工进行手动控制塞棒的操作；手动控制稳定后，液面达到预设液位，自动控制将会再次自动介入，转为自动控制。本发明实现了手动开浇和自动开浇的相互切换，尤其在自动开浇出现事故状态下，可及时退出自动状态转换为手动状态，降低自动开浇的事故率。 【EN】The invention relates to a method for automatically switching between manual casting and automatic casting during casting of a continuous casting tundish, wherein conventional operation is automatic control, a stopper rod is cast according to a preset opening degree and amplitude, a withdrawal and straightening machine is started after the liquid level reaches a preset height, automatic control connection is established between the liquid level control and the opening degree of the stopper rod, and the liquid level of molten steel in a crystallizer is gradually raised according to a casting curve until a set value is reached; when the liquid level rises or falls rapidly, the manual control is automatically intervened after the switching condition is reached, at the moment, the stopper rod is automatically closed and interlocked to the withdrawal and straightening machine to act, the alarm is given, and the operation of manually controlling the stopper rod is carried out by a steel pouring worker; after the manual control is stable, the liquid level reaches the preset liquid level, and the automatic control can be automatically intervened again and converted into the automatic control. The invention realizes the mutual switching between manual casting and automatic casting, and particularly can timely quit the automatic state and convert the automatic state into the manual state when the automatic casting has an accident state, thereby reducing the accident rate of the automatic casting.