当前查询到8条专利与查询词 "Dou Xiaoliang"相关,搜索用时0.4843856秒!排序方式:
发明专利:3实用新型: 4外观设计: 1
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申请号:201911102911.4 公开号:CN110949624A 主分类号:B63B35/08
摘要:【中文】本发明提供一种双折角舷侧的破冰船型,涉及船舶设计制造技术领域,包括:第一舷侧平板,设置于破冰船型的靠近船底的舷侧平边区域并沿破冰船型的船长方向设置,且背离舷侧的方向具有一第一倾斜角;第二舷侧平板,位于第一舷侧平板上方且背离述舷侧的方向具有一第二倾斜角;第二舷侧平板连接第一舷侧平板并与第一舷侧平板之间形成一下折角;第三舷侧平板,位于第二舷侧平板上方且沿竖直方向设置;第三舷侧平板连接第二舷侧平板并与第二舷侧平板之间形成一上折角;轻载水线,设置于第一舷侧平板上且位于下折角下方;破冰水线,设置于第二舷侧平板上且位于下折角和上折角之间。本发明有效解决破冰船型舷侧倾斜带来的水量损失过多和型宽过大的问题。 【EN】The invention provides an icebreaker type of a double-fold angle broadside, which relates to the technical field of ship design and manufacture and comprises the following components: the first side flat plate is arranged in a side flat edge area, close to the bottom, of the icebreaker, arranged along the ship length direction of the icebreaker, and provided with a first inclination angle in a direction departing from the side; the second side plate is positioned above the first side plate and has a second inclination angle in the direction departing from the side; the second side plate is connected with the first side plate and forms a downward folding angle with the first side plate; the third side plate is positioned above the second side plate and is arranged along the vertical direction; the third side plate is connected with the second side plate and forms an upward folding angle with the second side plate; the light loading waterline is arranged on the first shipboard flat plate and is positioned below the lower bevel; and the ice breaking waterline is arranged on the second side plate and is positioned between the lower folded angle and the upper folded angle. The invention effectively solves the problems of excessive water loss and excessive profile width caused by the inclination of the ice-breaking ship profile side.
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申请号:201911190395.5 公开号:CN110943640A 主分类号:H02M7/5387
申请人:【中文】郑州轻工业大学【EN】Zhengzhou University of light industry 申请日:2019.11.28 公开日:2020.03.31
摘要:【中文】本发明提出了一种T型逆变器FC桥臂冗余结构电力转换器拓扑结构,包括冗余备份单元和主工作单元并联连接在直流电源的两端,耦合连接单元为耦合电感,耦合电感的一端与冗余备份单元的中点相连接、另一端与直流母线电容的中点相连接;主工作单元的输出端与负载相连接,上端和下端分别通过不同的熔断器与直流电源的正极和负极相连接,中端与直流母线电容的中点相连接;主工作单元和冗余备份单元上均设有驱动控制电路。本发明冗余桥臂只有在主工作单元检测到故障时才进入工作状态;整体功率损耗小,故障检测简单可靠,故障定位准确,容错能力高,结构更加简单,故障前后电力传输“无缝”切换,且在连续工况性能上达到长时间稳定工作。 【EN】The invention provides a topological structure of a power converter with a redundancy structure of a bridge arm of a FC (fiber channel) of a T-type inverter, which comprises a redundancy backup unit and a main working unit, wherein the redundancy backup unit and the main working unit are connected in parallel at two ends of a direct-current power supply; the output end of the main working unit is connected with a load, the upper end and the lower end of the main working unit are respectively connected with the anode and the cathode of a direct-current power supply through different fuses, and the middle end of the main working unit is connected with the middle point of a direct-current bus capacitor; and the main working unit and the redundant backup unit are respectively provided with a drive control circuit. The redundant bridge arm of the invention enters the working state only when the main working unit detects the fault; the power transmission system has the advantages of small overall power loss, simple and reliable fault detection, accurate fault positioning, high fault-tolerant capability and simpler structure, and can realize seamless switching of power transmission before and after a fault and achieve long-time stable work on the continuous working condition performance.
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申请号:201880000824.5 公开号:CN111095260A 主分类号:G06K9/00
摘要:【中文】本申请提供了一种指纹传感器。所述指纹传感器包括多条光纤的阵列。多条光纤中的每一条具有第一端和与第一端相对的第二端。多条光纤中的每一条构造为使入射光从第二端进入并使出射光从第二端出射。多条光纤中的每一条包括:纤芯;位于纤芯中的光纤布拉格光栅;和位于第一端的反射膜。 【EN】The application provides a fingerprint sensor. The fingerprint sensor includes an array of a plurality of optical fibers. Each of the plurality of optical fibers has a first end and a second end opposite the first end. Each of the plurality of optical fibers is configured to allow incident light to enter from the second end and to allow exiting light to exit from the second end. Each of the plurality of optical fibers includes: a fiber core; a fiber Bragg grating located in the fiber core; and a reflective film at the first end.
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