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1:
[发明]
【中文】防晃电与过流保护联动控制装置及其控制方法 【EN】Anti-interference electricity and overcurrent protection linkage control device and control method thereof
申请号:
201911378656.6
公开号:CN111130208A 主分类号:H02J9/06
申请人:
【中文】零点创新科技有限公司【EN】LEADOT INNOVATION TECHNOLOGY Co.,Ltd.
申请日:2019.12.27 公开日:2020.05.08
发明人:
【中文】梁凯
;
张延平
;
张真真
;
李旭伟
;
何长根
;
王营【EN】Liang Kai
;
Zhang Yanping
;
Zhang Zhenzhen
;
Li Xuwei
;
He Changgen
;
Wang Ying
摘要:【中文】本发明涉及一种适用于电力设备的在负荷侧进行过电流保护及在电源侧进行防晃电控制的防晃电和过电流保护的防晃电与过流保护联动控制装置及其控制方法,包括连接在电源侧的主电源模块、与主电源模块相连并向主电源模块充电的备用电源模块、与主电源模块相连的CPU模块、与CPU模块相连的电压电流信号采集和处理模块、与CPU模块相连的继电器开关及断路器模块、与CPU模块相连的FRAM存储模块,具有可以有效防止系统侧晃电对负荷侧设备的影响,也可以防止负荷侧出现故障无法及时切除故障而引起电源侧的电压晃动的优点,不会影响相邻侧设备安全运行,有利于提高目前防晃电装置的选择性及可靠性,防止因防晃电装置对系统快速切除故障元件造成的影响。 【EN】The invention relates to an anti-interference electricity and over-current protection linkage control device which is suitable for anti-interference electricity and over-current protection of power equipment and carries out over-current protection on a load side and anti-interference electricity control on a power supply side and a control method thereof, and comprises a main power supply module connected with the power supply side, a standby power supply module connected with the main power supply module and charging the main power supply module, a CPU module connected with the main power supply module, a voltage and current signal acquisition and processing module connected with the CPU module, a relay switch and a circuit breaker module connected with the CPU module, and a FRAM storage module connected with the CPU module, the device has the advantages of effectively preventing the interference electricity on the load side from influencing the equipment on the load side, preventing the fault on the load side from being cut off in time and causing voltage shaking on the power supply side, not influencing the safe operation of adjacent side equipment, and being beneficial to improving the selectivity and reliability of the current anti-interference, the influence on the system to rapidly cut off the fault element caused by the anti-interference device is prevented.
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2:
[发明]
【中文】用于现场检测GIS壳体环形焊缝的扫查装置 【EN】Scanning device for detecting GIS shell annular welding line on site
申请号:
201911114906.5
公开号:CN110849969A 主分类号:G01N29/04
申请人:
【中文】国网新疆电力有限公司电力科学研究院
;
国家电网有限公司
;
浙江大学【EN】Power Science Research Institute of Xinjiang Electric Power Co., Ltd.
;
STATE GRID CORPORATION OF CHINA
;
ZHEJIANG University
申请日:2019.11.14 公开日:2020.02.28
发明人:
【中文】王欣欣
;
何成
;
魏燕定
;
蒋世豪
;
何常根
;
郑义
;
高荣刚
;
赵普志
;
李洪渊
;
赵建平
;
游溢
;
魏晌
;
徐凯【EN】Wang Xinxin
;
He Cheng
;
Wei Yanding
;
Jiang Shihao
;
He Changgen
;
Zheng Yi
;
Gao Ronggang
;
Zhao Puzhi
;
Li Hongyuan
;
Zhao Jianping
;
You Yi
;
Wei Shang
;
Xu Kai
摘要:【中文】本发明公开了一种用于现场检测GIS壳体环形焊缝的扫查装置。本发明包括限位导轨、链式扫描架、调节长度螺钉和扫查小车;所述的链式扫描架包括多个宽链节、多个连接销、多个窄链节、多个滚轮、一末端链节和一小车连接链节,相邻的链节通过连接销连接,每个连接销上安装一个用于与GIS壳体接触的滚轮;所述的链式扫描架围成一圈后用于固定在GIS壳体环形焊缝一侧,所述的末端链节上安装调节长度螺钉;所述的小车连接链节上安装扫查小车。本发明采用长度可调的链式扫描架,满足了不同直径的GIS壳体的环焊缝检测;通过限位导轨对扫查小车进行限位,从而保证探头与焊缝两侧的工件表面良好接触,提高了检测结果的准确性。 【EN】The invention discloses a scanning device for detecting a GIS shell annular welding line on site. The invention comprises a limit guide rail, a chain type scanning frame, a length adjusting screw and a scanning trolley; the chain type scanning frame comprises a plurality of wide chain links, a plurality of connecting pins, a plurality of narrow chain links, a plurality of rollers, a tail end chain link and a trolley connecting chain link, wherein adjacent chain links are connected through the connecting pins, and each connecting pin is provided with one roller for contacting with the GIS shell; the chain type scanning frame is fixed on one side of an annular welding line of the GIS shell after being encircled into a circle, and a length adjusting screw is installed on the tail end chain link; and the scanning trolley is arranged on the trolley connecting chain link. The chain type scanning frame with the adjustable length is adopted, so that the requirement for circumferential weld detection of GIS shells with different diameters is met; the scanning trolley is limited through the limiting guide rail, so that the probe is guaranteed to be in good contact with the surfaces of the workpieces on the two sides of the welding line, and the accuracy of a detection result is improved.
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3:
[发明]
【中文】光热敏感型羧甲基壳聚糖纳米载药微球及其制备方法 【EN】Photo-thermal sensitive carboxymethyl chitosan nano drug-loaded microsphere and preparation method thereof
申请号:
201911157771.0
公开号:CN110859823A 主分类号:A61K9/51
申请人:
【中文】中国热带农业科学院农产品加工研究所
;
北京理工大学【EN】Agricultural Products Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences
;
BEIJING INSTITUTE OF TECHNOLOGY
申请日:2019.11.22 公开日:2020.03.06
发明人:
【中文】杨子明
;
李普旺
;
陈煜
;
冯长根
;
周闯
;
何祖宇
;
王超
;
刘显武
;
吕明哲
;
刘运浩【EN】Yang Ziming
;
Li Puwang
;
Chen Yu
;
Feng Changgen
;
Zhou Chuang
;
He Zuyu
;
Wang Chao
;
Liu Xianwu
;
Lv Mingzhe
;
Liu Yunhao
摘要:【中文】本发明属于生物医用材料技术领域,具体涉及一种光热敏感型羧甲基壳聚糖纳米载药微球,该纳米载药微球以聚合物羧甲基壳聚糖/N‑异丙基丙烯酰胺为骨架,负载腙键结合的纳米金‑盐酸阿霉素于所述骨架表面形成的纳米微球。本发明还提供了上述纳米载药微球的制备方法。本发明所提供的光热敏感型羧甲基壳聚糖纳米载药微球,不仅解决了壳聚糖难溶于水的问题,同时通过改变近红外光照和温度的条件,使纳米微球材料发生相变,亲水链崩塌,溶剂化层被破坏,缓慢释放药物,提高药物的载药率,把控药物精准释放。 【EN】The invention belongs to the technical field of biomedical materials, and particularly relates to a photothermal sensitive carboxymethyl chitosan nano drug-loaded microsphere, which is formed by taking polymer carboxymethyl chitosan/N-isopropyl acrylamide as a framework and loading nanogold-doxorubicin hydrochloride combined with hydrazone bonds on the surface of the framework. The invention also provides a preparation method of the nano drug-loaded microsphere. The photo-thermal sensitive carboxymethyl chitosan nano drug-loaded microsphere provided by the invention not only solves the problem that chitosan is difficult to dissolve in water, but also enables the nano microsphere material to generate phase change, hydrophilic chain collapse and solvolysis layer to be damaged by changing the conditions of near-infrared illumination and temperature, so that the drug is slowly released, the drug loading rate of the drug is improved, and the controlled drug is accurately released.
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