当前查询到6条专利与查询词 "Zhang Shuzhan"相关,搜索用时0.1874979秒!排序方式:
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申请号:201911199061.4 公开号:CN110896211A 主分类号:H02H7/12
摘要:【中文】本发明适用于谐振技术领域,提供了一种谐振电路异常控制电路、控制方法和谐振装置。所述谐振电路异常控制电路包括:采样模块、调理模块和控制器;采样模块,输入端谐振电路的输出端连接,输出端与调理模块的输入端连接,用于采集谐振电路的电参数,并将电参数发送至调理模块;调理模块,输出端与控制器的输入端连接,用于在电参数超过预设范围时,向控制器发送驱动异常信号;控制器,输出端与谐振电路的输入端连接,用于在接收到驱动异常信号时,在将当前开关周期的驱动信号向谐振电路发送完毕后,停止向谐振电路发送驱动信号。本发明在一个开关周期结束时刻,封锁驱动,可以减小开关管的电压应力,有效防止开关管损坏。 【EN】The invention is suitable for the technical field of resonance, and provides a resonant circuit abnormality control circuit, a control method and a resonant device. The resonance circuit abnormality control circuit includes: the device comprises a sampling module, a conditioning module and a controller; the sampling module is connected with the output end of the resonant circuit at the input end, and the output end of the sampling module is connected with the input end of the conditioning module and used for collecting the electrical parameters of the resonant circuit and sending the electrical parameters to the conditioning module; the output end of the conditioning module is connected with the input end of the controller and used for sending a driving abnormal signal to the controller when the electrical parameter exceeds a preset range; and the output end of the controller is connected with the input end of the resonant circuit and is used for stopping sending the driving signal to the resonant circuit after the driving signal of the current switching period is sent to the resonant circuit when the driving abnormal signal is received. The invention locks the drive at the end time of a switching period, can reduce the voltage stress of the switching tube and effectively prevents the switching tube from being damaged.
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申请号:201811150982.7 公开号:CN110965539A 主分类号:E02B17/00
摘要:【中文】本发明提供了一种液压升降装置及自升式海洋平台。液压升降装置包括固桩架、定环梁、液压缸及动环梁。定环梁设有连接板,朝向动环梁的一侧延伸,连接板上设有用于与桩腿插接的定环梁插销,定环梁插销可沿垂直于桩腿的方向移动,定环梁插销与动环梁插销之间的最小距离为桩腿的一个节距。上述自升式海洋平台,通过使用上述液压升降装置,在海洋平台的升降速度不变的前提下,缩短了液压升降装置中液压缸的长度,提高了液压缸的有效利用率和稳定性。 【EN】The invention provides a hydraulic lifting device and a self-elevating ocean platform. The hydraulic lifting device comprises a pile fixing frame, a fixed ring beam, a hydraulic cylinder and a movable ring beam. The fixed ring beam is provided with a connecting plate, the connecting plate extends towards one side of the movable ring beam, a fixed ring beam bolt used for being connected with the pile leg in an inserting mode is arranged on the connecting plate, the fixed ring beam bolt can move in the direction perpendicular to the pile leg, and the minimum distance between the fixed ring beam bolt and the movable ring beam bolt is one pitch of the pile leg. Above-mentioned from lift-type platform through using above-mentioned hydraulic lifting device, under the unchangeable prerequisite of platform's lifting speed, has shortened the length of pneumatic cylinder among the hydraulic lifting device, has improved the effective utilization rate and the stability of pneumatic cylinder.
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申请号:202010065529.7 公开号:CN111275332A 主分类号:G06Q10/06
申请人:【中文】山东大学【EN】SHANDONG University 申请日:2020.01.20 公开日:2020.06.12
摘要:【中文】本发明公开了一种基于模糊‑关联规则的推土机铲刀装配工艺质量评价系统及方法,包括如下步骤:采集装配测试参数,构建测试参数数据库;对参数数据库进行分析,确定测试参数数据的分布形式;采用模糊理论中的隶属度函数对参数进行分析,得到测试参数的最大阈值和最小阈值;对装配完成的总成质量进行主观化评价,构建测试参数布尔数据库;采用关联规则中的Apriori算法对布尔数据库进行分析,确定装配过程中各个工序的装配质量异常参数与铲刀装配质量主观评价结果的支持度、提升度和兴趣度,生成规则库。以规则库为基础形成推土机铲刀装配工艺质量评价系统,可以用来基于装配线上的装配质量参数判断铲刀装配的质量。 【EN】The invention discloses a system and a method for evaluating the assembly process quality of a bulldozer blade based on a fuzzy-association rule, which comprises the following steps: collecting assembly test parameters and constructing a test parameter database; analyzing the parameter database to determine the distribution form of the test parameter data; analyzing the parameters by adopting a membership function in a fuzzy theory to obtain a maximum threshold and a minimum threshold of the tested parameters; subjectively evaluating the quality of the assembled assembly, and constructing a Boolean database of test parameters; and analyzing the Boolean database by adopting an Apriori algorithm in the association rule, determining the support degree, the promotion degree and the interest degree of the assembling quality abnormal parameters of each procedure and the subjective evaluation result of the assembling quality of the scraper knife in the assembling process, and generating a rule base. The system for evaluating the assembling process quality of the bulldozer blade is formed on the basis of the rule base and can be used for judging the assembling quality of the blade based on the assembling quality parameters on the assembling line.
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申请号:201911034125.5 公开号:CN110860558A 主分类号:B21B1/22
申请人:【中文】南京钢铁股份有限公司【EN】Nanjing Iron&Steel Co.,Ltd. 申请日:2019.10.28 公开日:2020.03.06
摘要:【中文】本发明公开了一种超宽特厚钢质安全壳核电用钢的轧制方法,该方法根据目标钢板规格选择坯料,保证压缩比≥3,保障轧制过程钢板在厚度方向的变形量;采用高温加热坯料并配以合适的均热时间和温度均匀性等工艺参数,实现坯料充分奥氏体化,合金成分均匀化;道次间冷却轧制工艺技术,使得坯料近表层金属表现出更难变形的状态,由表面至心部得到硬度梯度,从而得到心部变形量增大的趋势,获得有效的心部轧制渗透效果。能够成功轧制厚度覆盖60‑101mm,宽度覆盖4000‑4600mm规格的钢板,并保证钢板性能具有强韧性匹配优异,心部性能沿钢板宽度方向均质性良好的特点。 【EN】The invention discloses a rolling method of ultra-wide and ultra-thick steel containment nuclear power steel, which selects a blank according to the specification of a target steel plate, ensures that the compression ratio is more than or equal to 3, and ensures the deformation of the steel plate in the thickness direction in the rolling process; the blank is heated at high temperature and is matched with proper technological parameters such as soaking time, temperature uniformity and the like, so that the full austenitization of the blank is realized, and the alloy components are homogenized; the inter-pass cooling rolling technology enables the metal near the surface layer of the blank to show a more difficult-to-deform state, and obtains a hardness gradient from the surface to the core, thereby obtaining the trend of increasing the deformation of the core and obtaining the effective core rolling infiltration effect. The steel plate with the thickness covering 60-101mm and the width covering 4000-4600mm can be successfully rolled, and the characteristics of excellent obdurability matching and good homogeneity of the core performance along the width direction of the steel plate are ensured.
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申请号:202010189163.4 公开号:CN111058970A 主分类号:F02M21/04
摘要:【中文】本发明提供了一种燃气发电机组文丘里混合器,其包括:外管、内管、进气装置、出气装置、燃气进气管道、阀门组、传感器组和控制器;所述控制器内设置有对应的多种控制参量的标准值,其将实时检测的结果与多种控制参量的标准值进行比较,从而确定空气流速和燃气流速是否满足混合比例的要求,若满足,所述控制器则按照当前的进气状态进行进气混合,若不满足,所述控制器则通过调整被控元件对进气方式进行调整;其中,所述被控元件包括:所述阀门组、所述第一电控阀门和所述第二电控阀门;所述控制器中储存有压力标准值P、标准空气燃气比K和气体标准输出流速V。 【EN】The invention provides a venturi mixer of a gas generator set, which comprises: the gas inlet device comprises an outer pipe, an inner pipe, a gas inlet device, a gas outlet device, a gas inlet pipeline, a valve group, a sensor group and a controller; the controller is internally provided with corresponding standard values of various control parameters, and compares the real-time detection result with the standard values of the various control parameters so as to determine whether the air flow rate and the gas flow rate meet the requirement of a mixing ratio; wherein the controlled element comprises: the valve group, the first electrically controlled valve and the second electrically controlled valve; the controller is stored with a pressure standard value PSign boardStandard air to gas ratio KSign boardAnd gas standard output flow rate VSign board
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