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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 13. Отображено 13.
14-07-2023 дата публикации

Container type intelligent coal preparation device

Номер: CN116422595A
Принадлежит:

The invention belongs to the field of coal mining equipment, and particularly discloses a container type intelligent coal dressing device. The container type intelligent coal dressing device comprises a container rack, the container rack is horizontally arranged, a radiation source, a receiver box, a spray valve box, a vibration feeder and a sliding groove are arranged in the container rack, an adjusting device is arranged outside the vibration feeder, and the adjusting device is used for adjusting the height and the surface smoothness of the rotary feeder; according to the container type intelligent coal preparation device, the characteristics that a container rack is standard in size, high in structural strength, flexible and convenient to move and the like can be fully utilized, the special requirements of mining equipment are combined, and the sealing performance, the waterproof performance and the dustproof performance of a machine are further strengthened; components such as a radiation ...

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23-06-2023 дата публикации

Method and system for detecting SF6 gas decomposition characteristic products

Номер: CN116297704A
Принадлежит:

The invention discloses a method and a system for detecting SF6 gas decomposition characteristic products. The method comprises the following steps: collecting SF6 and the decomposition characteristic products SO2 and SOF2 from a GIS system, and purifying the collected gas; purified gas enters a high-performance detection device according to a set flow rate, the high-performance detection device raises a high-performance sensing chip to a detection temperature through a chip temperature control module, and active substances TiO2 and SnO2 in the high-performance sensing chip adsorb SO2 and SOF2 gas; chip current signals in the gas adsorption process are collected and amplified, and SO2 and SOF2 gas concentration detection results are obtained and displayed in combination with the pre-calibrated current and concentration relation; and if the SO2 and SOF2 gas concentration detection result meets the concentration requirement, refilling the gas into the GIS system, or else, giving an alarm.

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16-12-2015 дата публикации

Vent self -cleaning device

Номер: CN0204880596U
Принадлежит:

The utility model relates to a vent self -cleaning device, clean the mechanism and move in vent department so that clean moving mechanism that the mechanism can clean the optional position of vent, can be manual or come control according to the parameter of setting for and clean mechanism and moving mechanism's controller including carrying on clearly cleaning the mechanism, drive the structure of vent department. It includes round brush, clean driver to clean the mechanism. Moving mechanism includes lead screw, transfer drive ware, slider. The controller includes time setting module, speed setting module, forced service switch, logic control module, and time setting module, speed setting module, forced service switch are connected with logic control module respectively, and logic control module is respectively with clean the mechanism and moving mechanism is connected. The utility model discloses can automatically clean the vent according to setting for to make its guarantor unobstructed ...

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18-07-2012 дата публикации

Reactive power compensation optimizing configuration calculator for transformer substation and optimizing configuration method thereof

Номер: CN0101764411B
Принадлежит:

The invention relates to a reactive power compensation optimizing configuration calculator for transformer substation and an optimizing configuration method thereof. The calculator is connected with a data acquisition and monitoring system of a power system through a network and comprises an active data input module, a reactive data input module, a reactive compensation and optimizing configuration calculating module and a result output module. The method comprises the following steps of: calculating reactive power compensation demanding capacities of each time to form reactive power compensation demanding capacity queues; then sequencing the queues from large to small; deleting 1 percent of maximum values; setting a calculating precision and a number of sets of compensation demanding equipment; adopting a method of exhaustion to calculate the coverage rates of all capacitor combinations or reactor combinations; taking a combination with a maximum coverage rate as a final result; and if ...

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03-02-2016 дата публикации

Take earth connection of nearly electric alarm ware

Номер: CN0205016710U
Принадлежит:

The utility model relates to a take earth connection of nearly electric alarm ware, including the body, it is still including install the nearly electric alarm ware that is used for detecting electric field strength and reports to the police on the body when electric field strength reaches the limit value. Nearly electric alarm ware includes the power module who carries out the detection module who detects, the alarm module who is connected with detection module, supplies power for detection module and alarm module electric field strength. Nearly electric alarm ware still includes the shell, and the shell is with detection module, power module and at least partly alarm module cladding in wherein. Nearly electric alarm ware passes through the detachable interface and installs on the body. The utility model discloses nearly electric alarm ware has been set up on the basis of current earth connection to the existence of maintainer electric field can be reminded, in order to prevent its work ...

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07-07-2023 дата публикации

Ore analysis device and method based on ray imaging and deep learning

Номер: CN116399868A
Принадлежит:

The invention relates to the technical field of ore analysis, and discloses an ore analysis device and method based on ray imaging and deep learning, the device comprises a conveying assembly for conveying ore, an analysis mechanism for ore analysis and a transfer assembly for ore transfer, the device comprises a moving track, and the moving track is arranged above the conveying assembly; the analysis mechanism is installed in the moving track, the transferring assembly drives the ore to move along the guiding direction of the moving track, and when the ore and the analysis mechanism move synchronously, the transferring assembly can drive the ore to rotate around the clamping position of the ore. The ore is driven to move through the transfer assembly, the ore is turned over in the moving process, the angle position between the ore and the image acquisition equipment is switched, two comparison groups are obtained through two times of transfer, coal gangue at different angles in the comparison ...

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06-06-2023 дата публикации

Multi-tip electrode discharge SF6 gas detection device and method

Номер: CN116223567A
Принадлежит:

The invention discloses a multi-point electrode discharge SF6 gas detection device and method, the multi-point electrode discharge SF6 gas detection device comprises a high-voltage pulse generator, a sampling device, a detection device and a signal processing device, the sampling device comprises a sampling probe, a purification device and a sucking pump, a multi-point discharge electrode is arranged in the detection device, and the signal processing device comprises a signal amplifier and a signal processing system. The electrode is of a coaxial cylinder structure, an inner cylinder is of a hollow structure, small holes are evenly distributed in the surface of the inner cylinder, small holes are evenly distributed in the surface of an outer cylinder, meanwhile, a multi-tip electrode structure is also distributed, tip electrodes are opposite to the cylindrical electrode, and gas flows out of the inner cylinder, discharges through the tip part of the outer cylinder and then flows in from ...

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16-09-2015 дата публикации

On-line infrared temperature-measurement expert diagnosis system for electric equipment

Номер: CN104913851A
Принадлежит:

Disclosed in the invention is an on-line infrared temperature-measurement expert diagnosis system for electric equipment. The system is composed of an on-line infrared imaging temperature measurement instrument, an A/D converter, a temperature sensor, a wind speed sensor, a humidity sensor, a monitoring computer, and an acousto-optic device. An intelligent routing inspection module, an actual measurement diagnosis module, an alarm management module, a trend analysis module, and a report query module are installed in the monitoring computer; the on-line infrared imaging temperature measurement instrument is connected with the A/D converter; the temperature sensor, the wind speed sensor, the humidity sensor, the A/D converter, and the acousto-optic device are connected with the monitoring computer. According to the invention, the diversified expert diagnosis function is realized and automatic diagnosis and early warning can be carried out on electric equipment faults.

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28-07-2023 дата публикации

Method and system for calculating power transmission capacity of extra-high voltage direct current layered access system

Номер: CN116505569A
Принадлежит:

The invention discloses a power transmission capacity calculation method and system for an extra-high voltage direct current layered access system, and the method comprises the steps: carrying out the state sampling of all equipment in the system through employing a non-sequential Monte Carlo method according to the effective sample capacity of a calculation error, and carrying out the combined solving of an alternating current and direct current hybrid power grid model and a power flow equation after the state of the equipment is determined, calculating the power flow of the selected equipment state; changing the operation state of the system by adjusting the generated output and the load demand, evaluating the operation state according to the position of the operation state in the multi-dimensional power injection space and the relative relationship between the operation state and the dynamic security domain, and when the operation state is evaluated to be normal, calculating the power ...

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30-06-2023 дата публикации

Power grid state estimation method and system considering local three-phase asymmetry

Номер: CN116365555A
Принадлежит:

The invention discloses a power grid state estimation method and system considering local three-phase asymmetry, and the method comprises the steps: obtaining a power grid model and measurement data, and forming a single-phase positive sequence node branch model and an information matrix; performing node number reordering on the information matrix, and performing whole-network single-phase state estimation; dynamically segmenting the power grid to obtain parameter asymmetric sub-regions and boundary nodes of the parameter asymmetric sub-regions and parameter symmetric sub-regions; performing three-phase component modeling on the parameter asymmetric sub-regions, and performing three-phase state estimation on the parameter asymmetric sub-regions based on the established model and the whole-network single-phase state estimation result of the boundary nodes; and updating the three-phase voltage of the parameter asymmetric sub-region, iteratively correcting the power error until the convergence ...

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18-11-2015 дата публикации

Online infrared temperature measurement expert diagnostic system of power equipment

Номер: CN0204788670U
Принадлежит:

The utility model discloses an online infrared temperature measurement expert diagnostic system of power equipment, including online infrared imaging thermoscope, AD converter, temperature sensor, air velocity transducer, humidity transducer, monitor computer and audible and visual alarm, install intelligence and patrol and examine module, actual measurement diagnosis module, report an emergency and ask for help or increased vigilance management module, trend analysis module and statement request module in monitor computer, the AD converter is connected to online infrared imaging thermoscope, and temperature sensor, air velocity transducer, humidity transducer, AD converter and audible and visual alarm link to each other with monitor computer. The utility model discloses realize abundant expert's diagnostic function, can carry out automatic diagnosis and early warning to the power equipment trouble.

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22-08-2023 дата публикации

Lightning arrester operation state evaluation system and method

Номер: CN116626410A
Принадлежит:

The invention discloses a lightning arrester operation state evaluation system and method, and the system comprises an AC voltage source which is used for applying an AC voltage to a to-be-tested lightning arrester; the operating voltage measuring end and the total current detecting end are used for synchronously and respectively acquiring three-phase operating voltage signals and three-phase total current signals on the lightning arrester to be detected, and respectively processing the acquired three-phase operating voltage signals and three-phase total current signals to obtain relevant parameters of phase voltage and relevant parameters of total current; and the man-machine interaction terminal is used for carrying out calculation processing on the related parameters of the phase voltage and the related parameters of the total current to obtain a phase angle difference, a resistive current fundamental component, a resistive current peak value and each harmonic component so as to evaluate ...

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30-06-2010 дата публикации

Reactive power compensation optimizing configuration calculator for transformer substation and optimizing configuration method thereof

Номер: CN0101764411A
Принадлежит:

The invention relates to a reactive power compensation optimizing configuration calculator for transformer substation and an optimizing configuration method thereof. The calculator is connected with a data acquisition and monitoring system of a power system through a network and comprises an active data input module, a reactive data input module, a reactive compensation and optimizing configuration calculating module and a result output module. The method comprises the following steps of: calculating reactive power compensation demanding capacities of each time to form reactive power compensation demanding capacity queues; then sequencing the queues from large to small; deleting 1 percent of maximum values; setting a calculating precision and a number of sets of compensation demanding equipment; adopting a method of exhaustion to calculate the coverage rates of all capacitor combinations or reactor combinations; taking a combination with a maximum coverage rate as a final result; and if ...

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