当前查询到21条专利与查询词 "Jin Jialin"相关,搜索用时0.5781104秒!排序方式:
发明专利:6实用新型: 15外观设计: 0
6 条,当前第 1-6 条 返回搜索页
申请号:201811192668.5 公开号:CN111040106A 主分类号:C08G18/38
摘要:【中文】本发明提供了一种中高折射率光学树脂镜片及其制备方法。本发明的目的在于提供一种在1.59~1.67中调节的中高折光率树脂镜片的制备方法,以满足对于不同高折光聚合物的需求,与现有技术相比,该发明提供的中高折射率聚合物综合性能优异,通过调节原料种类和比例制备折射率高达1.67、冲击强度和耐热性能都较高的光学树脂镜片,特别是该制备方法简便、成本较低、易于工业化生产。该树脂由以下几种原料制备而成:一种或多种多异氰酸酯与一种或多种多元硫醇化合物按照0.7:1~1.5:1的比例添加、占总质量的0.02%~2%的磷酸酯脱模剂、占总质量的0.02%~2%的有机锡催化剂、占总质量的0.02%~2%抗氧剂。 【EN】The invention provides an optical resin lens with medium and high refractive index and a preparation method thereof. The invention aims to provide a preparation method of a resin lens with medium and high refractive index regulated in a range of 1.59-1.67, so as to meet the requirements of different high-refractive-index polymers, compared with the prior art, the high and high refractive-index polymer provided by the invention has excellent comprehensive performance, an optical resin lens with high refractive index up to 1.67 and high impact strength and heat resistance is prepared by regulating the types and the proportions of raw materials, and particularly, the preparation method is simple and convenient, has low cost and is easy for industrial production. The resin is prepared from the following raw materials: one or more polyisocyanates and one or more polythiol compounds are added according to the proportion of 0.7: 1-1.5: 1, 0.02-2% of phosphate release agent, 0.02-2% of organic tin catalyst and 0.02-2% of antioxidant.
详细信息 下载全文

申请号:201911312008.0 公开号:CN111106771A 主分类号:H02P21/14
申请人:【中文】北方工业大学【EN】North China University of Technology 申请日:2019.12.18 公开日:2020.05.05
摘要:【中文】本发明公开了一种基于无模型控制器的永磁同步电机控制方法及装置。所述方法包括:获取永磁同步电机的控制电流;获取所述永磁同步电机当前的实际电流和实际电压;将所述控制电流、所述实际电流和所述实际电压输入至预设的无模型控制器,预测所述永磁同步电机的控制电压;根据所述控制电压,驱动所述永磁同步电机,从而能够提高控制的鲁棒性。 【EN】The invention discloses a permanent magnet synchronous motor control method and device based on a model-free controller. The method comprises the following steps: acquiring control current of a permanent magnet synchronous motor; acquiring the current actual current and the actual voltage of the permanent magnet synchronous motor; inputting the control current, the actual current and the actual voltage into a preset model-free controller, and predicting the control voltage of the permanent magnet synchronous motor; and driving the permanent magnet synchronous motor according to the control voltage, so that the control robustness can be improved.
详细信息 下载全文

申请号:201911208413.8 公开号:CN110872171A 主分类号:C03B19/10
摘要:【中文】本发明涉及一种可熔性粉体的球化方法,其特征在于:(1)用氮氢还原性气体置换出可熔性粉体中的空气;(2)可熔性粉体依次进行预热、加热;(3)加热至235~245℃,粉体被推进到内置锡液的桶状容器底部和锡液混合,分散均匀;(4)由于浮力作用粉体开始上浮,在250~2200℃选择与粉体相适应的熔融、球化温度,上浮过程中可熔性粉体被加热熔融、球化成球;(5)成球后的粉体球上浮,冷却固化,堆积在锡液表面,溢出或吸出收集。本发明的优点:该方法可球化的粉体材料范围广,可以是有机高分子材料粉体,也可以是无机非金属材料粉体,上浮过程中,经锡液挤压和抛光后的球体表面光洁度更高,更加密实。 【EN】The invention relates to a method for spheroidizing meltable powder, which is characterized by comprising the following steps: (1) replacing air in the meltable powder by using nitrogen-hydrogen reducing gas; (2) preheating and heating the meltable powder in sequence; (3) heating to 235-245 ℃, pushing the powder to the bottom of a barrel-shaped container with tin liquid inside to mix with the tin liquid, and uniformly dispersing; (4) the powder starts to float under the action of buoyancy, the melting and spheroidizing temperature which is suitable for the powder is selected at 250-2200 ℃, and the meltable powder is heated to melt and spheroidize into spheres in the floating process; (5) floating the formed powder balls, cooling and solidifying, accumulating on the surface of molten tin, and overflowing or sucking out and collecting. The invention has the advantages that: the spheroidizing method has wide range of spheroidizing powder materials, can be organic high polymer material powder and also can be inorganic non-metal material powder, and the surface of a sphere extruded and polished by tin liquid has higher smoothness and is more compact in the floating process.
详细信息 下载全文

申请号:201911097148.0 公开号:CN110977903A 主分类号:B25H3/00
摘要:【中文】本发明涉及一种喷管存放及快速更换装置,属于试验空气动力学技术领域。该装置主要包括轮盘、喷管箱、减速器、电机、支架、销轴、夹紧机构和中轴。支架放置在地面上,中轴通过转动副连接在支架上,中轴穿过轮盘,并与轮盘固接;喷管箱通过销轴连接在轮盘上并且喷管箱可绕销轴旋转;夹紧机构放置在地面,为喷管箱提供夹紧力;电机通过减速器和中轴相连,通过中轴带动轮盘旋转,进而带动喷管箱沿中轴轴线转动。本发明创造性地将喷管箱围绕中轴周向布置,通过旋转的方式更换喷管箱,实现喷管箱的快速更换,易于实现喷管箱更换自动化,提高生产效率,同时还能节约横向空间。 【EN】The invention relates to a spray pipe storage and quick replacement device, and belongs to the technical field of test aerodynamics. The device mainly comprises a wheel disc, a pipe spraying box, a speed reducer, a motor, a support, a pin shaft, a clamping mechanism and a middle shaft. The support is placed on the ground, the middle shaft is connected to the support through a revolute pair, and the middle shaft penetrates through the wheel disc and is fixedly connected with the wheel disc; the spray pipe box is connected to the wheel disc through a pin shaft and can rotate around the pin shaft; the clamping mechanism is placed on the ground and provides clamping force for the spray pipe box; the motor is connected with the middle shaft through the speed reducer, and the middle shaft drives the wheel disc to rotate so as to drive the spray pipe box to rotate along the axis of the middle shaft. The invention creatively arranges the spray pipe boxes around the circumference of the middle shaft, and changes the spray pipe boxes in a rotating way, thereby realizing the quick change of the spray pipe boxes, easily realizing the automation of the change of the spray pipe boxes, improving the production efficiency and saving the transverse space.
详细信息 下载全文

申请号:201811238664.6 公开号:CN111091255A 主分类号:G06Q10/06
摘要:【中文】本发明涉及核电厂设备可靠性管理技术领域,具体公开了一种定期试验数据实时监督和应用的方法。该方法包括:1、采集核安全与非核安全定期试验数据;建立核安全与非核安全定期试验数据库,并与生产管理系统相匹配,并实时采集安全与非核安全定期试验数据;2、根据定期试验大纲验收准则,建立相应的预警值;3、根据上述步骤确定的预警值,对实时采集的安全与非核安全定期试验数据进行监督,并进行趋势跟踪和趋势分析。本发明所述的一种定期试验数据实时监督和应用的方法,可以预知设备性能和预防设备失效,提高电厂的设备维修有效性评价和设备可靠性分析工作,提升核电厂设备管理的水平。 【EN】The invention relates to the technical field of nuclear power plant equipment reliability management, and particularly discloses a method for monitoring and applying periodic test data in real time. The method comprises the following steps: 1. collecting nuclear safety and non-nuclear safety periodic test data; establishing a nuclear safety and non-nuclear safety periodic test database, matching the nuclear safety and non-nuclear safety periodic test database with a production management system, and collecting safety and non-nuclear safety periodic test data in real time; 2. establishing a corresponding early warning value according to a regular test outline acceptance criterion; 3. and monitoring the safety and non-nuclear safety regular test data collected in real time according to the early warning value determined in the step, and carrying out trend tracking and trend analysis. The method for monitoring and applying the periodic test data in real time can predict the performance of equipment and prevent equipment failure, improve the effectiveness evaluation of equipment maintenance and the reliability analysis work of the equipment of a power plant, and improve the level of equipment management of a nuclear power plant.
详细信息 下载全文

申请号:201911245651.6 公开号:CN110937629A 主分类号:C01G29/00
摘要:【中文】本发明公开了一种倾斜旋转烧结法制备Bi‑2212前驱粉末的方法,该方法包括以下步骤:一、将Bi2O3、Ca(OH)2、SrCO3和CuO配制成混合粉末或草酸盐混合粉末;二、将混合粉末或草酸盐混合粉末装入倾斜连续旋转自动烧结设备中,在各烧结炉的炉管倾斜且旋转的条件下进行连续的分段升温烧结,得到Bi‑2212前驱粉末。本发明采用倾斜连续旋转烧结法进行分段升温烧结,使对应的处理粉末均匀连续地分布在炉管中,有效减少了各烧结过程中处理粉末的厚度,有利于外部气氛扩散进入处理粉末中,避免了烧结过程中处于处理粉末堆底部或者中心的处理粉末因处于低氧气氛中生成杂相,提高了Bi‑2212前驱粉末的质量。 【EN】The invention discloses a method for preparing Bi-2212 precursor powder by an inclined rotary sintering method, which comprises the following steps: first, Bi2O3、Ca(OH)2、SrCO3Preparing mixed powder or oxalate mixed powder with CuO; and secondly, loading the mixed powder or oxalate mixed powder into an inclined continuous rotating automatic sintering device, and carrying out continuous sectional heating sintering under the condition that furnace tubes of each sintering furnace are inclined and rotate to obtain the Bi-2212 precursor powder. The invention adopts the inclined continuous rotary sintering method to carry out the step-by-step temperature rise sintering, so that the corresponding processing powder is uniformly and continuously distributed in the furnace tube, the thickness of the processing powder in each sintering process is effectively reduced, andthe method is beneficial to the diffusion of external atmosphere into the treated powder, avoids the generation of impurity phases of the treated powder at the bottom or the center of the treated powder pile in the sintering process due to the low-oxygen atmosphere, and improves the quality of the Bi-2212 precursor powder.
详细信息 下载全文

6 条,当前第 1-6 条 返回搜索页