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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 11. Отображено 11.
29-08-2023 дата публикации

Optical fiber composite overhead ground wire

Номер: CN116665985A
Автор: ZHANG PENGCHAO, REN DONGFENG, LU JUN, YAO WEI, LI CHAORUI, LI XIAOLONG, LI PING, NIE JIFENG, HUANG XIAO, PAN YONG, CHE PINGPING, ZHOU FANG
Принадлежит:

The invention belongs to the technical field of power cables, and particularly relates to an optical fiber composite overhead ground wire, which is provided with an optical unit and at least three aluminum-clad steel wires positioned outside the optical unit, and is characterized in that the optical unit consists of a loose tube and at least one optical communication component positioned in the loose tube; a spacing part is arranged between the optical unit and the aluminum-clad steel wires, the spacing part is formed by enclosing arc-shaped sections with the same number as the aluminum-clad steel wires, the openings of arc-shaped bays of the arc-shaped sections face outwards, the arc-shaped bays are spirally arranged around the axis of the spacing part, and the bottom of each arc-shaped section is provided with an extending part for separating the loose tube from the arc-shaped section. The outer wall of the loose tube is attached to the extending part, and the aluminum-clad steel wires ...

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Номер записи: 1
28-07-2023 дата публикации

Power grid stability analysis system based on swarm intelligence algorithm

Номер: CN116502922A
Автор: ZHANG PENGCHAO, CHE PINGPING, HUANG XIAO, LUO LEI, LI CHAORUI, LU JUN, YAO WEI, XIAO KANG, GUO LONG, QIU YI
Принадлежит:

The invention relates to the technical field of power grid analysis, in particular to a power grid stability analysis system based on a swarm intelligence algorithm, which comprises a data acquisition part, a data conversion part, a steady state calculation part and a stability analysis part, the data acquisition part is configured to be used for acquiring equipment parameters of each piece of equipment of a power grid and operating parameters of each piece of equipment; the steady-state calculation part is configured to be used for establishing a steady-state space and calculating to obtain an individual optimal position and a global optimal position of each conversion data group in the steady-state space; and the stability analysis part is configured to perform difference analysis on the individual optimal position of the standard data set and the individual optimal positions of all the transformation data sets, compare a final difference value with a preset rated stability threshold ...

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Номер записи: 2
04-08-2023 дата публикации

Cable cutting device

Номер: CN116539394A
Автор: PENG MINGJIANG, REN DONGFENG, ZHANG PENGCHAO, LU JUN, YAO WEI, LI CHAORUI, LI XIAOLONG, LI PING, NIE JIFENG, HUANG XIAO, PAN YONG, CHE PINGPING, ZHOU FANG
Принадлежит:

The invention belongs to the field of cable cutting tools, and particularly relates to a cable cutting device which is provided with a workbench and is characterized in that the workbench is provided with an outer-layer measuring component and an inner-layer measuring component which is coaxial with the outer-layer measuring component and is sleeved with the outer-layer measuring component; the outer wall of the outer layer measuring part and the outer wall of the inner layer measuring part are provided with an annular cable groove and a longitudinal feed groove, the top of the inner layer measuring part is provided with a rotatable feed arm, and the feed arm is provided with a slidable cutter. The cable cutting device has the advantages of being short in length, small in size, capable of cutting multiple cables at the same time, capable of cutting the cables with the fixed length and capable of cutting the cables with different outer diameters, convenient to use, foldable in cutter, capable ...

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Номер записи: 3
29-08-2023 дата публикации

Assembly structure ribbon optical cable, butterfly-shaped optical cable and cable

Номер: CN116661082A
Автор: ZHANG PENGCHAO, SHEN YUJIE, YAO WEI, LI PING, LI CHAORUI
Принадлежит:

The invention belongs to the technical field of cables, and discloses a ribbon optical cable with an assembly structure, which is provided with at least one protective layer and is characterized by further comprising a cable core, the cable core is provided with a first subunit or a plurality of first subunits, each first subunit comprises two assembly parts capable of being spliced into a structure with an I-shaped cross section, and the two assembly parts are arranged in the protective layer. The I-shaped structure is provided with a first accommodating cavity and a second accommodating cavity, and a plurality of light-guide fiber belts are arranged in the first subunit; the light-guide fiber belts are distributed in the first containing cavity and the second containing cavity in a stacked mode, and the cable core is coated with at least one protective layer. The invention further discloses a butterfly-shaped optical cable and an electric cable. The optical fiber has the main beneficial ...

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Номер записи: 4
28-07-2023 дата публикации

Connector structure for electrical equipment

Номер: CN116505337A
Автор: ZHANG PENGCHAO, LI CHAORUI, REN DONGFENG, LU JUN, YAO WEI, LI XIAOLONG, LI PING, NIE JIFENG, HUANG XIAO, PAN YONG, CHE PINGPING, ZHOU FANG
Принадлежит:

The invention belongs to the technical field of power connectors, and particularly relates to a connector structure between power equipment, which comprises a female plug, a male plug and wiring assemblies, the male plug is matched with the female plug in a plugging way, and the non-plugging ends of the male plug and the female plug are respectively connected with a plurality of wiring assemblies through electric wires; in the wire connecting process, the two steps of wire peeling and wire pressing can be achieved through one connecting assembly, and the connecting process is simple; and compared with the traditional peeling and tightening which need to be operated separately, the wiring efficiency is greatly improved. According to the invention, the positions of the mounting sliding sleeve and the cutting disc can be automatically adjusted according to wires with different thicknesses, namely, the distances from the peeled, pressed and fixed positions of the wires with different thicknesses ...

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Номер записи: 5
03-12-2014 дата публикации

Method for detecting ultralow content of aflatoxin

Номер: CN104181294A
Автор: LI CHAORUI, ZHANG XIAN, QIU JINGFU
Принадлежит:

The invention discloses a method for detecting ultralow content of aflatoxin. The method comprises the following steps: preparing a glassy carbon electrode, chemically modifying the glassy carbon electrode with a layer of single-walled carbon nanotubes, and covalently bonding by using a bridging agent; coupling bovine serum albumin with aflatoxin to form antigen AFB1-BSA; reacting and connecting the antigen AFB1-BSA with the activated carboxyl group on the single-walled carbon nanotubes; competitively adsorbing a primary antibody through using an antigen-antibody reaction and an added aflatoxin monomer by adopting a sandwich technology and a competitive technology to obtain a secondary antibody; labeling the secondary antibody by alkaline phosphatase; determining the electrochemical signal of the alkaline phosphatase labeled secondary antibody, and drafting a standard curve to obtain the concentration of aflatoxin in an actual measurement sample. The method for detecting ultralow content ...

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Номер записи: 6
30-05-2023 дата публикации

Bird repelling device for electric power tower

Номер: CN116171974A
Автор: REN DONGFENG, ZHANG PENGCHAO, PENG MINGJIANG, LU JUN, YAO WEI, LI CHAORUI, LI XIAOLONG, LI PING, NIE JIFENG, HUANG XIAO, PAN YONG, CHE PINGPING
Принадлежит:

The invention belongs to the technical field of power equipment bird repelling, and particularly relates to a power tower bird repelling device which is provided with a base and at least one bird repelling component, and is characterized in that the base is composed of an annular rail, a supporting seat and a hoop, the cross section of the annular rail is circular, and a first connecting rod is arranged in a ring of the annular rail; the end point of the first connecting rod is fixedly connected with the annular rail, the supporting base is fixedly connected below the first connecting rod, and a hoop is fixed to the bottom of the supporting base. The bird repelling component is provided with a C-shaped sliding component capable of sliding along the annular track, the annular track is sleeved with the sliding component, a plurality of bird repelling thorns are fixedly arranged at the top of the sliding component, a windward plate is arranged on the sliding component, and a gravity center ...

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Номер записи: 7
04-08-2023 дата публикации

Deicing robot for power line with elevated structure and deicing method thereof

Номер: CN116544870A
Автор: REN DONGFENG, ZHANG PENGCHAO, PENG MINGJIANG, LU JUN, YAO WEI, LI CHAORUI, LI XIAOLONG, LI PING, NIE JIFENG, HUANG XIAO, PAN YONG, CHE PINGPING
Принадлежит:

The invention discloses an overhead structure power line deicing robot and a deicing method thereof, and belongs to the technical field of overhead line deicing, the overhead structure power line deicing robot comprises a case, and the upper end of the case is provided with an obstacle avoidance type driving assembly; the obstacle avoidance type driving assembly comprises three groups of direction adjusting assemblies, two groups of driving assemblies and a middle auxiliary rolling assembly; a beating assembly for beating and deicing the overhead line of the power system and a position sensing assembly for sensing an obstacle are mounted on the direction adjusting assembly on the left side; and a hot air deicing assembly for carrying out hot air deicing on the power system elevated line subjected to primary deicing is mounted on the direction adjusting assembly in the middle. By means of the mode, the cable deicing device can avoid obstacles when moving, meanwhile, ice blocks on a cable ...

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Номер записи: 8
10-12-2014 дата публикации

Electrochemical immunosensor and preparation and application thereof

Номер: CN104198714A
Автор: QIU JINGFU, LI CHAORUI, ZHANG XIAN
Принадлежит:

The invention provides an electrochemical immunosensor for detecting ochratoxin A. The electrochemical immunosensor comprises a work electrode, a reference electrode and a counter electrode, wherein the work electrode is prepared by that the surface of a base electrode is first modified by a carboxylated single-walled carbon nanotube/chitosan composite and then fixed with an ochratoxin A and albumin bovine serum conjugate. When the ochratoxin A is detected by the sensor, the concentration of the ochratoxin A is in a linear relationship in a range of 0.01-100 ng/ml, the linear equation is Y = 6.3155E-6-2.89458E-6X, the relevance coefficient is 0.99984, and the minimum detection limit is 0.004 ng/ml. Compared with the prior art, the sensor has the advantages of high sensitivity, great specificity, low cost, simplicity and convenience for operation and short detection period, is suitable for the measurement of actual samples and is expected to have actual application values.

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Номер записи: 9
08-08-2023 дата публикации

Intelligent power distribution network fault positioning method and system

Номер: CN116559598A
Автор: ZHANG PENGCHAO, CHE PINGPING, HUANG XIAO, LUO LEI, LI CHAORUI, LU JUN, YAO WEI, XIAO KANG, GUO LONG, QIU YI
Принадлежит:

The invention provides an intelligent power distribution network fault positioning method and system, and relates to the technical field of power distribution networks, and the method comprises the steps: automatically adjusting a dynamic factor according to the real-time electrical parameters, environmental parameters and historical fault data of a power distribution network; fusing the dynamic factor with historical fault data and a topological structure to form a multi-dimensional fault positioning model; according to the multi-dimensional fault positioning model, predicting a fault position to obtain a prediction result, and judging the confidence coefficient of the prediction result; and determining the fault position of the power distribution network according to the prediction result and the confidence coefficient corresponding to the prediction result. According to the method, the accuracy of fault positioning is effectively improved by forming the multi-dimensional fault positioning ...

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Номер записи: 10
04-08-2023 дата публикации

Cable rack body hoisting equipment and use method thereof

Номер: CN116544840A
Автор: NIE JIFENG, PENG MINGJIANG, REN DONGFENG, LUO LEI, LU JUN, YAO WEI, LI PING, LI CHAORUI, LI XIAOLONG, ZHANG PENGCHAO, ZHOU FANG, PAN YONG
Принадлежит:

The invention discloses cable rack body hoisting equipment and a using method thereof, and belongs to the technical field of cable rack hoisting equipment, the cable rack body hoisting equipment comprises a material box used for containing spacers, and the material box is installed on a width-adjustable rack of which the overall width can be adjusted according to the cable spacing width; the width-adjustable rack is mounted on a cable through a roller assembly; the width-adjustable rack is provided with a driving assembly which is used for bearing constructors and driving the width-adjustable rack, the roller assembly and the locking assembly to move so as to install spacers at all positions. And a locking assembly is mounted on the driving assembly. By means of the mode, the width-adjustable rack can be well installed according to the widths of cables with different widths, so that the adaptability to the widths of the cables with different intervals is guaranteed; and meanwhile, when ...

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Номер записи: 11