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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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Применить Всего найдено 13. Отображено 13.
27-06-2023 дата публикации

Intrusion monitoring method, system and equipment for oil and gas pipeline and medium

Номер: CN116336385A
Принадлежит:

The invention discloses an intrusion monitoring method, system and device for an oil and gas pipeline and a medium, and relates to the technical field of oil and gas pipeline monitoring, and the method comprises the steps: S1, obtaining at least one piece of current monitoring data for the oil and gas pipeline; and S2, for each piece of current monitoring data, inputting the current monitoring data into a pre-constructed target digital twinborn model for the oil and gas pipeline, and determining whether an intrusion event occurs through the target digital twinborn model. The oil and gas pipeline comprises a plurality of pipeline sections, the obtained current monitoring data are analyzed and judged through the target digital twin model for the oil and gas pipeline, whether the pipeline section corresponding to the current monitoring data has an intrusion event or not is determined, and an operation enterprise of the oil and gas pipeline can be subsequently alarmed according to the intrusion ...

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29-08-2023 дата публикации

Oil and gas pipeline station regionalization management comprehensive evaluation method and system

Номер: CN116663967A
Принадлежит:

The invention discloses an oil and gas pipeline station regionalization management comprehensive evaluation method and system, and relates to the technical field of data processing, and the method comprises the steps: collecting risk indexes of a target station; traversing the risk index set to calculate the index information entropy; screening the index information entropy set according to a preset information entropy threshold to obtain an evaluation index set; parameters of the target station yard are collected according to the evaluation index set, and an evaluation data set is obtained; performing normalization processing on the evaluation data set, and inputting the evaluation data set into a comprehensive evaluation model; determining a management optimization direction according to a comprehensive evaluation result, and performing iterative optimization on the optimization adjustment scheme in combination with a tabu search algorithm to obtain an optimal adjustment scheme; and adjusting ...

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06-04-2011 дата публикации

Safety interlock device of switch

Номер: CN0102005316A
Автор: Li Dinan
Принадлежит:

The invention provides a safety interlock device of a switch, which comprises a supporting piece, a ring-shaped piece, a locking rod, a limiting rod and an elastic piece. A driving shaft of the switch can be penetrated on the supporting piece and the ring-shaped piece, and the ring-shaped piece can synchronously rotate with the driving shaft and is provided with a wing block. The locking rod can be hooked on a safety device of the switch, the limiting rod can be rotated under the driving of the safety device, and the rotation of the limiting rod can drive the locking rod to rotate. When the switch is closed, the locking rod hooks the safety device to ensure that the safety device cannot be opened; and when the switch is open, the locking rod looses the safety device, and one end of the limiting rod limits the rotation of the ring-shaped piece to further limit the closing operation of the switch. The switch can only be closed when the safety device is closed. The safety interlock device ...

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23-06-2023 дата публикации

Desktop drilling method, system and equipment for oil and gas pipeline and medium

Номер: CN116308914A
Принадлежит:

The invention discloses a desktop drilling method, system and equipment for an oil and gas pipeline and a medium, and relates to the technical field of emergency drilling, the method comprises the following steps: determining a drilling pipe section from a pre-constructed virtual reality scene for the oil and gas pipeline, the oil and gas pipeline comprising a plurality of pipe sections, the drilling pipe section is at least one pipe section contained in the oil and gas pipeline; a setting request for the drilling pipe section is obtained, and in response to the setting request, at least one emergency is set at the position, where the drilling pipe section is located, in the oil and gas pipeline; and receiving a processing request of a driller for a target emergency in the at least one emergency, and responding to the processing request to realize desktop drilling of the target emergency. According to the invention, the problems of environmental pollution and high cost caused by oil and ...

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11-08-2023 дата публикации

Peristaltic pipeline walking device and walking method thereof

Номер: CN116576334A
Принадлежит:

The invention relates to a peristaltic pipeline walking device and a walking method thereof.The peristaltic pipeline walking device comprises a machine body and a walking mechanism, and the walking mechanism is installed at the axial end of the machine body; the walking mechanism comprises a walking wheel mechanism, a walking wheel sleeve and a walking wheel driving mechanism, one axial end of the walking wheel sleeve is fixedly connected with one axial end of the machine body, the walking wheel driving mechanism is fixed in the walking wheel sleeve, and the walking wheel mechanism is movably assembled in the walking wheel sleeve; the walking wheel mechanism comprises a cover plate, rotating rods and a wheel frame, the multiple rotating rods are arranged on the cover plate, the rotating rods are in an L shape and are perpendicularly and rotatably connected to the cover plate, and the free ends of the rotating rods are hinged to the wheel frame; a plurality of guide holes are formed in the ...

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13-06-2023 дата публикации

Method and system for evaluating and adjusting hydrate area of natural gas pipeline

Номер: CN116255571A
Принадлежит:

The invention relates to a hydrate area evaluation and adjustment method and system for a natural gas pipeline. The method comprises the following steps that natural gas data of each preset area in the natural gas pipeline and equipment data of accessory equipment of each preset area are obtained; for each preset area, determining a hydrate generation temperature according to the equipment data; for each preset area, according to the natural gas data and the hydrate generation temperature, the hydrate area of the natural gas pipeline is evaluated, and the evaluation result is a hydrate generation dangerous area or a hydrate generation safe area; for each preset area, when the evaluation result is a hydrate generation dangerous area, the hydrate generation temperature is adjusted to the target hydrate generation temperature according to the flow value of a throttling valve and the pressure value of a pressure adjusting valve; and evaluating the hydrate area of the natural gas pipeline again ...

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28-07-2023 дата публикации

Rare earth metal-containing powder core flux-cored wire for X80 pipeline steel

Номер: CN116493806A
Принадлежит:

The invention relates to a rare earth metal-containing powder core flux-cored wire for X80 pipeline steel, and belongs to the technical field of flux-cored wires for gas shielding. The rare earth metal-containing powder core flux-cored wire for the X80 pipeline steel is composed of a carbon steel strip and a metal powder core, and the metal powder core is composed of the following raw materials of, by weight, 10-15% of medium carbon ferromanganese, 10-15% of nickel powder, 4-8% of 75 ferrosilicon, 4-6% of ferromolybdenum, 1-3% of ferrotitanium, 2-5% of yttrium oxide, 1-3% of aluminum magnesium alloy and the balance iron powder. The welding wire has the beneficial effects that the Si-Mn-Mo-Ni alloy system welding wire is adopted, the welding wire can be suitable for backing welding, filling welding and cosmetic welding of X80 low-alloy high-strength steel, splashing is basically avoided during welding, all-position welding can be achieved, the low-temperature toughness is good, and the diffusible ...

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05-01-2011 дата публикации

Control device of isolating switch

Номер: CN0101937791A
Принадлежит:

The invention relates to a control device of an isolating switch, which comprises a driving shaft, a slide block and a working shaft, wherein the slide block is pushed by the driving shaft, and the working shaft is pushed by the slide block. The driving shaft is provided with a driving shaft first boss and a driving shaft second boss; the working shaft is provided with a swinging arm extending out along the radial direction; and the slide block is provided with a driving shaft hole, a slide block first boss, a slide block second boss, a slide block third boss, a working shaft switching-on boss and a working shaft switching-off boss. The driving shaft penetrates through the driving shaft hole, the swinging arm can be pushed by the working shaft switching-on boss, the working shaft can be placed at a switching-on position, the swinging arm can be pushed by the working shaft switching-off boss, the working shaft can be placed at a switching-off position, the slide block first boss can beabutted ...

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09-05-2023 дата публикации

Flow safety evaluation method and system for easy-to-coagulate and high-viscosity crude oil pipeline

Номер: CN116085684A
Принадлежит:

The invention relates to a flow safety evaluation method and system for an easy-to-coagulate and high-viscosity crude oil pipeline, and the method comprises the following steps: obtaining attribute data of the crude oil pipeline, the attribute data of the crude oil pipeline comprising transmission medium data of a transmission medium in the crude oil pipeline and pipeline data of the crude oil pipeline; according to the transmission medium data, a transmission medium influence coefficient is determined, and the transmission medium influence coefficient represents the influence of the transmission medium data on the flow safety of the crude oil pipeline; according to the pipeline data, a pipeline influence coefficient is determined, and the pipeline influence coefficient represents the influence of the pipeline data on the flow safety of the crude oil pipeline; determining a risk prediction value according to the transmission medium influence coefficient and the pipeline influence coefficient ...

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25-08-2023 дата публикации

Regional management optimization method and system for oil and gas transportation station

Номер: CN116644838A
Принадлежит:

The invention discloses a regional management optimization method and system for an oil and gas transportation station, and relates to the technical field of computer application, and the method comprises the steps: obtaining an influence characteristic factor set of the oil and gas transportation station, and the influence characteristic factor set comprises M characteristic factors; screening based on a preset screening scheme to obtain a screening result and taking the screening result as a target influence factor set, wherein the target influence factor set comprises N factors; obtaining N factor parameters of the N factors and taking the N factor parameters as to-be-analyzed data; obtaining a management maturity analysis result through the management capability maturity model; and formulating a management optimization scheme of the oil and gas transportation station and performing management optimization. The problem that in the prior art, potential risks and weak links in management ...

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25-08-2023 дата публикации

Gas pipeline comprehensive reliability evaluation method and system and electronic equipment

Номер: CN116644953A
Принадлежит:

The invention relates to the technical field of gas pipeline safety evaluation, in particular to a gas pipeline comprehensive reliability evaluation method and system and electronic equipment, and the method comprises the steps: employing a nuclear density distribution mode to obtain alarm grade nonlinear probability density distribution corresponding to each parameter of a gas pipeline in each risk early warning scene; using a C-copula function to obtain alarm level nonlinear joint probability density distribution in each risk early warning scene; fusing the nonlinear joint probability density distribution of all the alarm levels by using a C-copula function to obtain unified joint probability density distribution in a high-dimensional space; and performing reliability evaluation on the gas pipeline by using the unified joint probability density distribution to obtain a reliability evaluation result. The oneness in engineering evaluation and the subjective influence of human factors are ...

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11-08-2023 дата публикации

Pipeline flaw detection mechanism, detection method thereof and peristaltic pipeline detection device

Номер: CN116576335A
Принадлежит:

The invention relates to a pipeline flaw detection mechanism, a detection method of the pipeline flaw detection mechanism and a peristaltic pipeline detection device.The pipeline flaw detection mechanism comprises a machine body, a supporting disc, a connecting ring, a connecting rod, a probe driving mechanism and a probe mechanism; the connecting ring coaxially sleeves the outer side of the machine body, and a gap is reserved between the connecting ring and the outer side wall of the machine body; the probe driving mechanism is fixed on the machine body; the driving end of the probe driving mechanism is in transmission connection with the connecting ring and drives the connecting ring to rotate; a plurality of supporting columns are rotationally connected to the side face, facing the connecting ring, of the supporting disc, extend in the direction parallel to the axis of the machine body and are located on the outer ring side of the connecting ring. A plurality of connecting rods are hinged ...

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25-08-2023 дата публикации

Pipeline risk monitoring method and system based on digital twinborn body and storage medium

Номер: CN116642136A
Принадлежит:

The invention discloses a digital twin-based pipeline risk monitoring method and system and a storage medium, and the method comprises the steps: obtaining multi-source attribute data of a target pipe section at a current moment, inputting the multi-source attribute data into a preset risk evaluation formula group, and obtaining a current comprehensive risk value of the target pipe section; updating an original digital twinborn model corresponding to a target pipe section by using the multi-source attribute data at the current moment to obtain a target digital twinborn model at the current moment; and when the current comprehensive risk value exceeds a preset comprehensive risk value, carrying out mark mapping on the risk of the target pipe section at the current moment on the target digital twinborn model so as to realize risk monitoring on the target pipe section. According to the method, the pipeline risk monitoring period is greatly shortened, the pipeline risk can be evaluated and ...

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