摘要：本发明公开了一种开关电源用MnZn功率铁氧体材料及其制备方法，其主成分为五元系配方，比例范围为：Fe2O3：51～53mol%；ZnO：11～13mol%；TiO2：0.01～0.3mol%；Co2O3：0.01～0.3mol%；余量为MnO。添加剂及含量以氧化物计算为：CaO(0.01~0.07wt%)；V2O5(0.01~0.07wt%)；ZrO2(0.01~0.07wt%)；SnO2(0.01~0.1wt%)。本发明材料在宽温范围内改善了MnZn功率铁氧体的磁性能及其温度稳定性。在25℃～120℃范围内，起始磁导率≥3390，单位体积功耗≤344kw?m-3(100kHz，200mT)，最低单位体积功耗279kw?m-3(100kHz，200mT，80℃)，并且起始磁导率、单位体积功耗随温度的变化仅为20%左右。本发明材料制备简便易行、成本低、性能优越，不仅能满足各类开关电源模块的小型轻量化和提高效率的需求，而且可大大提高其在应用中的可靠性。

摘要：【中文】本发明属于聚合物基复合材料的技术领域，具体的涉及一种新型复合聚酰亚胺阻燃板材的制备方法。所述阻燃板材的制备原料包括表面带有活性氨基的石墨烯。所得板材具有优异的阻燃性，同时依然保持良好的力学性能。 【EN】The invention belongs to the technical field of polymer-based composite materials, and particularly relates to a preparation method of a novel composite polyimide flame-retardant plate. The preparation raw material of the flame-retardant plate comprises graphene with active amino on the surface. The obtained plate has excellent flame retardance, and simultaneously still maintains good mechanical properties.

摘要：【中文】本发明提供了一种异形材导流装置，属于铝型材成型设备技术领域，包括：限位框，安装座，其呈固定设置，安装座上设置有通孔；石墨导流板设置在通孔内；活动限位组件设置在限位框内，并且活动限位组件与石墨导流板抵触连接，从而将石墨导流板限制在所述通孔内；还提供了一种成型模具，具有异形材导流装置,包括：模具组件设置在所述安装座的后端，并且限位框设置在安装座的前端，模具组件与所述通孔连接；成型气缸与模具组件连接，模具组件通过成型气缸成型出铝型材，并且铝型材在成型后进入至石墨导流板内。本发明的有益效果为：在型材壁厚比较薄，宽展比大的异形铝型材成型时，能够大幅度的减小其形变，从而降低尺寸误差。 【EN】The invention provides a special-shaped material flow guide device, which belongs to the technical field of aluminum profile forming equipment and comprises the following components: the limiting frame and the mounting seat are fixedly arranged, and a through hole is formed in the mounting seat; the graphite guide plate is arranged in the through hole; the movable limiting assembly is arranged in the limiting frame and is in abutting connection with the graphite guide plate, so that the graphite guide plate is limited in the through hole; still provide a forming die, have dysmorphism material guiding device, include: the die assembly is arranged at the rear end of the mounting seat, the limiting frame is arranged at the front end of the mounting seat, and the die assembly is connected with the through hole; the forming cylinder is connected with the die assembly, the die assembly is formed into an aluminum profile through the forming cylinder, and the aluminum profile enters the graphite guide plate after forming. The invention has the beneficial effects that: when the wall thickness of the profile is thinner and the width-to-width ratio is large, the deformation of the profile can be greatly reduced, so that the size error is reduced.

摘要：一种多冗余双轴伺服驱动器及其控制方法，驱动器包括三相全桥电路1~3、防浪涌电路1~2、制动电路1~2、母线电容C1~C3、单相直流继电器1~3、三相交流接触器1~2、旋变解码电路1~2、DSP控制电路、PWM输出控制电路。本发明的伺服驱动器，实现了一种直接采用全桥主回路作为另一个全桥主回路的冗余，相对传统的IGBT并联冗余的方式，克服了IGBT烧毁短路时，冗余的IGBT无法使用的缺点，保证驱动器主回路烧毁时伺服系统仍能正常运行；实现了采用1个全桥主回路通过逻辑控制可同时作为另外两个主回路的冗余回路的方法，使双轴驱动主回路由4个降低至3个，该方法大幅降低了驱动器的重量和成本。

摘要：【中文】本发明公开了一种电控气门结构，包括进气门电控气门结构、排气门电控气门结构、第一油路和第二油路；所述第一油路分别连通于所述进气门电控气门结构和所述排气门电控气门结构；所述第二油路连通于所述排气门电控气门结构；所述第二油路内的液体压力大于所述第一油路内的液体压力。本发明还公开了一种发动机，应用了上述的电控气门结构。本发明公开的电控气门结构解决了现有电控气门结构不能同时实现可变气门正时、可变气门升程、发动机部分停缸以及缸内制动控制功能的问题。 【EN】The invention discloses an electric control valve structure, which comprises an intake valve electric control valve structure, an exhaust valve electric control valve structure, a first oil way and a second oil way, wherein the intake valve electric control valve structure is connected with the exhaust valve electric control valve structure; the first oil way is respectively communicated with the intake valve electric control valve structure and the exhaust valve electric control valve structure; the second oil way is communicated with the exhaust valve electric control valve structure; the hydraulic pressure in the second oil passage is greater than the hydraulic pressure in the first oil passage. The invention also discloses an engine, and the electric control valve structure is applied. The electric control valve structure disclosed by the invention solves the problem that the existing electric control valve structure can not simultaneously realize the functions of variable valve timing, variable valve lift, partial cylinder deactivation of an engine and in-cylinder brake control.

摘要：【中文】本发明公开了一种基于图像分割的色调映射图像质量评价方法，针对色调映射图像的不同区域的主要失真类型不太一样这个特点，将其分成了复杂区域和平坦区域，并且在其复杂区域提取纹理细节特征，在平坦区域提取色度特征，接着在全局区域也提取出纹理细节特征和色度特征。针对图像的高亮和低暗区域细节失真过大这个特点，将图像分成了高亮和低暗区域以及其他区域，并且分别在不同的区域提取信息熵特征用以表征图像的失真程度，随后将高亮低暗区域阈值也作为一个特征来判断图像的亮度分布均匀程度，将其评价不同区域时效果好的特征值保留，剔除效果不好的特征值，降低了特征冗余；有效提高了得到的客观评价结果与人眼主观感知之间的相关性。 【EN】The invention discloses a tone mapping image quality evaluation method based on image segmentation, aiming at the characteristic that main distortion types of different areas of a tone mapping image are not the same, the tone mapping image is divided into a complex area and a flat area, texture detail features are extracted from the complex area, chrominance features are extracted from the flat area, and the texture detail features and the chrominance features are also extracted from a global area. Aiming at the characteristic that details of a highlight area and a low-dark area of an image are distorted too much, the image is divided into the highlight area, the low-dark area and other areas, information entropy characteristics are extracted in different areas respectively to represent the distortion degree of the image, then the brightness distribution uniformity degree of the image is judged by taking a threshold value of the highlight area and the low-dark area as a characteristic, characteristic values with good effects when the threshold value is evaluated in different areas are reserved, characteristic values with poor effects are removed, and characteristic redundancy is reduced; the relevance between the obtained objective evaluation result and the subjective perception of human eyes is effectively improved.

摘要：【中文】本发明公开了一种船用压缩空气系统，包括主空压机、工作空压机、工作空气瓶、主空气瓶，所述主空压机连接主空气瓶，工作空压机通过第一供气管路连接至工作空气瓶、工作空气瓶的空气输出端连接有压缩空气干燥器，压缩空气干燥器的空气输出端连接有第一空气输出管和第二空气输出管，第一空气输出管作为主机的SCR系统喷射用压缩空气的供气管，第二空气输出管输出有三路分支输出管，三路分支输出管分别作为主机的SCR系统吹除用压缩空气的供气管、主机的SCR系统透气用压缩空气的供气管和连接至控制空气瓶的供气管；主空压机通过第二供气管路连接至工作空气瓶的空气输入端。本发明降低了船用压缩空气系统的成本，系统应急能力强、可靠性高。 【EN】The invention discloses a marine compressed air system, which comprises a main air compressor, a working air bottle and a main air bottle, wherein the main air compressor is connected with the main air bottle, the working air compressor is connected to the working air bottle through a first air supply pipeline, the air output end of the working air bottle is connected with a compressed air dryer, the air output end of the compressed air dryer is connected with a first air output pipe and a second air output pipe, the first air output pipe is used as an air supply pipe of compressed air for jetting of an SCR system of a host, the second air output pipe is provided with three branch output pipes, and the three branch output pipes are respectively used as an air supply pipe of the SCR system of the host for blowing off the compressed air, an air supply pipe of the SCR system of the host for ventilating the compressed air and an air supply pipe connected to a; the main air compressor is connected to the air input end of the working air bottle through a second air supply pipeline. The invention reduces the cost of the compressed air system for the ship, and has strong emergency capacity and high reliability.

摘要：【中文】本发明为一种精密可微控调整的球阀装置。包括两端连接管路紧固件、球阀转动腔体、球阀控制芯套筒、粗调手柄和微调旋钮。本球阀装置可以精密微控调整质谱分析仪器中电离源腔体内部真空气压，以保证质谱分析仪器正常工作所使用的真空气压条件的同时还可以满足样品检测电离区气压的精准真空条件。该新型球阀装置技术可微控调整质谱分析仪器中电离源真空气压条件的精密度，大大提升了质谱分析仪器的性能，同时提高了质谱分析仪器对样品检测的精确性以及准确性，在环境监测、食品安全、医疗诊断等领域所使用的质谱分析仪器中具有广阔的应用前景。 【EN】The invention relates to a ball valve device capable of being precisely and micro-controlled and adjusted. Comprises a connecting pipeline fastener at two ends, a ball valve rotating cavity, a ball valve control core sleeve, a rough adjusting handle and a fine adjusting knob. The ball valve device can precisely and micro-control and adjust the vacuum air pressure in the ionization source cavity in the mass spectrometer so as to ensure that the vacuum air pressure condition used by the mass spectrometer during normal work can be met while the accurate vacuum condition of the air pressure in the ionization region of sample detection can be met. The novel ball valve device technology can be used for micro-controlling and adjusting the precision of the vacuum pressure condition of the ionization source in the mass spectrometer, greatly improving the performance of the mass spectrometer, simultaneously improving the accuracy and the precision of the mass spectrometer for sample detection, and has wide application prospect in mass spectrometers used in the fields of environmental monitoring, food safety, medical diagnosis and the like.

摘要：【中文】本发明为一种以试剂离子辅助光致化学电离源。包括VUV灯、电离源腔体、挡板阀、真空计和真空泵。该以试剂离子辅助光致化学电离源以低气压样品分子与化学试剂离子发生化学反应为机理，具体为将VUV灯所产生的真空紫外光协同试剂离子与样品分子发生光致化学反应，进而对样品分子进行电离。该新型以试剂离子辅助光致化学电离源技术大大提高了VUV灯连续在线电离较难电离物质的电离效率，同时试剂离子与样品分子发生化学反应使样品分子更充分得到解离，对样品分子检测结果的准确性得到质的提升，在环境监测、食品安全、医疗诊断等领域具有广阔的应用前景。 【EN】The invention relates to a reagent ion-assisted photochemical ionization source. Including VUV lamps, an ionization source chamber, a flapper valve, a vacuum gauge, and a vacuum pump. The reagent ion-assisted photochemical ionization source takes a chemical reaction between low-pressure sample molecules and chemical reagent ions as a mechanism, and specifically, vacuum ultraviolet light generated by a VUV lamp is cooperated with the reagent ions to perform the photochemical reaction with the sample molecules, so that the sample molecules are ionized. This novel technique of assisting the photochemistry ionization source with reagent ion has improved the difficult ionization efficiency of ionization material of VUV lamp continuous online ionization greatly, and reagent ion takes place chemical reaction with sample molecule simultaneously and makes sample molecule more fully obtain dissociating, obtains the promotion of matter to the accuracy of sample molecule testing result, has wide application prospect in fields such as environmental monitoring, food safety, medical diagnosis.

摘要：【中文】本发明公开了一种四通道在线监测绝缘气体分解产物的装置和方法，包括开关阀、减压阀、两通高压电磁阀、四路切换阀、针阀、气体采样袋和质谱仪器。该装置和方法可以实现对电气设备内部绝缘气体分解产物的实时在线监测，结合质谱检测仪器对分解物组分进行定性和定量分析，再结合行业标准给出监测结果判断是否满足设备运行指标。该装置内含四个监测通道，能够实现不同点位不同相位的实时监测，有助于电气设备故障的早期预警和筛查。 【EN】The invention discloses a device and a method for monitoring decomposition products of insulating gas on line by four channels. The device and the method can realize real-time online monitoring of the decomposition product of the insulating gas in the electrical equipment, perform qualitative and quantitative analysis on the decomposition product components by combining a mass spectrometry detection instrument, and give a monitoring result by combining an industrial standard to judge whether the equipment operation index is met. The device contains four monitoring channels, can realize the real-time supervision of different positions different phases, helps the early warning and the screening of electrical equipment trouble.