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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 21. Отображено 21.
25-01-2012 дата публикации

Resistance device with adjustable digital quantity

Номер: CN0202126902U
Автор: WENLI HOU, JINTAO SHI, YUFEI SUN, JUNFENG QIAO, HOU WENLI, SHI JINTAO, SUN YUFEI, QIAO JUNFENG
Принадлежит: XI AN FEIBAO DEV COMPANY, XI'AN FEIBAO DEVELOPMENT COMPANY

The utility model discloses a resistance device with adjustable digital quantity, which comprises a computer and an input-output control card. The input-output control card is connected with a resistance card through a flat cable, the resistance card comprises a plurality of resistors which are connected in series, a group of relays are arranged on each resistor, and the relays are connected with the input-output control card through ports. By means of the technical scheme, the resistance device can be used in a computer automatic test system of ground detection equipment of airplanes, is strong in applicability, high in reliability, good in repeatability and capable of achieving automatic test of electric accessories on the airplanes which need to be provided with resistance signals, and has better technical effects.

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Номер записи: 1
23-06-2023 дата публикации

Method and system for organizing digital twin spatial data of power distribution network

Номер: CN116303463A
Автор: QIAO JUNFENG, PENG LIN, MAO YANFANG, ZHOU AIHUA, XU MIN, XU XIAOYI, YANG PEI, ZHU FUYUN, YU HAI, ZHU LIPENG
Принадлежит:

The invention discloses a method and a system for organizing digital twin spatial data of a power distribution network, electrical topology and three-dimensional spatial data are fused, fusion of the electrical topology is realized through terminal number matching, the method is more accurate compared with a traditional fusion mode, latitude and longitude information of power grid facilities is superposed, and the requirement of geographic information calculation is met; traversal is more efficient, a topological traversal mode is adopted, and compared with a mode of carrying out association query by depending on ID numbers, the topological traversal mode is faster and more efficient, and large-scale digital twinborn business analysis can be supported; power grid measurement data are fused and accessed, and the measurement data are updated in real time by arranging the timing polling device, so that the real-time performance and the availability of the digital twinborn body are ensured.

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Номер записи: 2
05-03-2014 дата публикации

System for preventing passenger car from being laterally turned

Номер: CN103612609A
Автор: QIAO JUNFENG, SONG DONGHONG, LI HUIQUN, JING BAOFENG, HAN SHENG, WANG HUAQIANG
Принадлежит:

The invention relates to the technical field of security protection of passenger cars, in particular to a system for preventing a passenger car from being laterally turned. A tilt angle sensor arranged at the gravity center position of a car body is used for perceiving the inclination angle of the car body. When the inclination angle of the car body exceeds a set critical angle in the running process of the passenger car, an instruction is sent to a compartment door bouncing-out mechanism arranged between a luggage compartment door and a car body compartment through a controller to open the luggage compartment door, the luggage compartment door firstly making contact with the ground before the car body absorbs a part of striking energy in advance through a triangular structure formed by a car body waist rail lower stand column, a compartment door stand column and a folding pull rod, the compartment door stand column is hinged to the car body waist rail lower stand column, and the two ends ...

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Номер записи: 3
19-11-2014 дата публикации

Chinese character recognition method based on optical character recognition technology

Номер: CN104156706A
Автор: WU KEHE, CUI WENCHAO, CHEN FEI, QIAO JUNFENG
Принадлежит:

The present invention discloses a Chinese character recognition method based on an optical character recognition technology. For an inputted gray scale text image, a cutting result is obtained by a hierarchical structure cutting method based on a connected region, then the binaryzation and denoising operations are carried out on the image by a region-growing algorithm based on the pixel distribution characteristics to obtain a to-be-recognized character, and then the to-be-recognized character is sent to a general single character recognizer to recognize to thereby obtain a candidate character set, and finally, a final recognition result is obtained by a similar character classification and recognition method. Compared with the prior art, the Chinese character recognition method based on the optical character recognition technology of the present invention enables the character recognition accuracy and efficiency to be improved effectively, enables the text information to be inputted to ...

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Номер записи: 4
04-08-2023 дата публикации

Middle and low voltage transformer fault early warning model construction method and fault early warning method

Номер: CN116542288A
Автор: QIAO JUNFENG, PENG LIN, ZHOU AIHUA, XU XIAOYI, YANG PEI, XU MIN, ZHU FUYUN, PAN SEN, YU HAI, OU ZHUJIAN
Принадлежит:

The invention discloses a medium and low voltage transformer fault early warning model construction method and a fault early warning method, and the construction method aims at the characteristics that the equipment fault of a medium and low voltage transformer in a power distribution network is greatly influenced by the electrical load of the load side, and is closely related to the weather and the change of the oil chromatography of the transformer. Weather data, load data, upper-layer oil temperature data, oil chromatography data and other characteristics strongly related to transformer equipment faults serve as fault influence factors to conduct model training, and meanwhile in order to predict effectiveness, related data in a period of time before the faults occur are also expressed as fault states. A fault model of low-voltage transformer equipment in a power distribution network is constructed based on a long-short-term artificial neural network prediction algorithm, the long-short-term ...

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Номер записи: 5
15-08-2023 дата публикации

Power distribution network planning evaluation method and device, storage medium and electronic equipment

Номер: CN116596389A
Автор: QIAO JUNFENG, PENG LIN, ZHOU AIHUA, ZHU FUYUN, YANG PEI, XU MIN, XU XIAOYI, PAN SEN, YU HAI, OU ZHUJIAN
Принадлежит:

The invention discloses a power distribution network planning evaluation method and device, a storage medium and electronic equipment, and the method comprises the steps: obtaining parameters of all power distribution network equipment in a to-be-evaluated region, and calculating the average access distance of a transformer based on the length of an access line between the transformer and a substation to which the transformer belongs; based on the power parameters of the transformers and the number of the transformers, calculating the openable capacity and the number of accessible stations; and based on the average access distance, the openable capacity and the number of accessible sites, performing weighted calculation on a developable value coefficient, and evaluating the to-be-evaluated region. By implementing the method, the developable value coefficient is calculated by adopting the average access distance, the openable capacity and the number of accessible sites in a weighted manner ...

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Номер записи: 6
27-06-2023 дата публикации

Power distribution network data resource fusion method and device, equipment and storage medium

Номер: CN116340883A
Автор: QIAO JUNFENG, ZHOU AIHUA, HUANG CHENHONG, PENG LIN, PAN SEN, GU HUA, XU MIN, CHEN JINGDE, QIU HONGBIN, JIANG JING
Принадлежит:

The invention discloses a power distribution network data resource fusion method, apparatus and device, and a storage medium. The method comprises the steps of obtaining an initial data fusion result set; obtaining abnormal data and abnormal attributes corresponding to the abnormal data based on the initial data fusion result set; constructing a sample data set based on all attributes contained in the initial data fusion result set and normal data corresponding to each attribute; calculating a correlation coefficient between data corresponding to the abnormal attribute in the sample data set and the sample data set; calculating a first fitting value of the abnormal data according to the initial data fusion result set and the correlation coefficient; according to the embodiment of the invention, the abnormal data in the initial data fusion result set is replaced by the first fitting value of the abnormal data, the abnormal data is predicted to obtain the first fitting value, and the predicted ...

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Номер записи: 7
11-08-2023 дата публикации

Unified management method, system and equipment for data resources of power distribution network and medium

Номер: CN116578362A
Автор: QIAO JUNFENG, ZHOU AIHUA, PENG LIN, SHEN XIAOFENG, PAN SEN, YANG PEI, HUANG CHENHONG, XU MIN, JIANG JING, CHEN JINGDE
Принадлежит:

The invention relates to the technical field of electric power information, and discloses a power distribution network data resource unified management method, system, device and medium, the method comprising: accessing power distribution network data resources to a data management system, the power distribution network data resources comprising address information, the data management system comprising a plurality of service systems, the plurality of business systems are respectively used for storing power distribution network data resources corresponding to a plurality of businesses; receiving a cross-service data calling request sent by a data requester; and returning the corresponding power distribution network data resources to the data requester according to word segmentation and partition matching results of the address information in the at least two service systems corresponding to the cross-service data calling request. According to the method and the device, word segmentation ...

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Номер записи: 8
04-07-2023 дата публикации

Digital twin model automatic reconstruction method and device for novel power distribution network

Номер: CN116384109A
Автор: QIAO JUNFENG, PENG LIN, ZHOU AIHUA, XU XIAOYI, XU MIN, YAO JIANGUANG, YANG PEI, MAO YANFANG, YU HAI, ZHU FUYUN
Принадлежит:

The invention provides a digital twin model automatic reconstruction method and device for a novel power distribution network, and the method comprises the steps: obtaining source data, and initializing a basic data structure according to the source data and metadata corresponding to the source data; constructing a digital twinborn model according to the basic data structure; acquiring a data structure called when the service access request accesses the digital twin model each time; generating a metadata frequent item set corresponding to the business access request of any type according to all data structures called by the business access request of any type and the frequency threshold; generating a data structure corresponding to any type of service access request according to the metadata frequent item set and the source data corresponding to the metadata frequent item set; and constructing a digital twinborn model corresponding to the business access request of any type according to ...

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Номер записи: 9
26-02-2014 дата публикации

Novel passenger car air-conditioning air duct

Номер: CN103600638A
Автор: WANG BIN, QIAO JUNFENG, ZHANG PENG, XU DONGSHENG, WANG YING, ZHAO SHUANGWU, ZHANG XIAOYU
Принадлежит:

The invention discloses a novel passenger car air-conditioning air duct which comprises a main air duct body, a main air duct body connecting piece and an upper connecting assembly, wherein one end of the main air duct body connecting piece is fixed with the main air duct body, and the other end of the main air duct body connecting piece is spliced with the upper connecting assembly; the other end of the upper connecting assembly is connected with the top of a passenger car carriage. The novel passenger car air-conditioning air duct disclosed by the invention is environmental-friendly, flame-retardant and convenient to install and disassemble, can be maintained and replaced, can be maintained and cleaned by being independently or simultaneously opened totally, is clean in internal environment, difficultly mildews and generates the peculiar smell, is favorable to the health of passengers, has the advantages of easiness and convenience for vehicle renovation and reconstruction, secondary ...

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Номер записи: 10
09-06-2023 дата публикации

Novel power grid topology editing method and device, electronic equipment and storage medium

Номер: CN116245978A
Автор: QIAO JUNFENG, ZHOU AIHUA, PENG LIN, SHEN XIAOFENG, PAN SEN, CHEN JINGDE, YANG PEI, HUANG XINGDE, XU MIN, JIANG JING
Принадлежит:

The invention discloses a novel power grid topology editing method and device, electronic equipment and a storage medium. Comprising the steps of displaying a power distribution network topology network; obtaining an editing operation acting on the power distribution network topology network, and determining a target station frame corresponding to the power distribution station room based on the editing operation; acquiring a starting point and an ending point drawn by equipment in the target station frame, and matching the starting point and the ending point with each grid intersection point in the grid intersection point set to obtain a target drop point; and under the condition that the target drop point meets a preset condition, drawing the equipment graph between the starting point and the ending point to obtain a station building graph of the power distribution station building. According to the method and the device, the determined starting point and the determined ending point are ...

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Номер записи: 11
23-09-2009 дата публикации

Taping machine for passenger car compartment door

Номер: CN0101537451A
Автор: ZHOU JUMIN, MA JIANJUN, LI XIUQIN, QIAO JUNFENG, LIU ZHENZHONG, ZHANG XIAOYU, JUMIN ZHOU, JIANJUN MA, XIUQIN LI, JUNFENG QIAO, ZHENZHONG LIU, XIAOYU ZHANG
Принадлежит:

The invention discloses a taping machine for a passenger car compartment door. The taping machine comprises a machine body and a bottom framework which is arranged on the machine body. Pressing mechanisms are respectively arranged on two opposite side walls of the machine body, and one side wall is provided with a 45-degree taping mechanism and a 90-degree taping mechanism; the pressing mechanisms are of air cylinders or oil cylinders arranged on a mounting seat of the side walls and a U-shaped press head hinged on the mounting seats, and one end of the U-shaped press head is hinged with piston rods of the air cylinders or the oil cylinders on the mounting seat; and the 45-degree taping mechanism and the 90-degree taping mechanism are of the oil cylinders arranged on the mounting seat of the side walls and regulating cranks hinged on the piston rods of the oil cylinders, upper ends of the two regulating cranks are respectively provided with pressing blocks, the two pressing blocks are respectively ...

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Номер записи: 12
08-12-2010 дата публикации

Taping machine for passenger car compartment door

Номер: CN0101537451B
Автор: ZHOU JUMIN, LIU ZHENZHONG, LI XIUQIN, QIAO JUNFENG, ZHANG XIAOYU, MA JIANJUN, JUMIN ZHOU, ZHENZHONG LIU, XIUQIN LI, JUNFENG QIAO, XIAOYU ZHANG, JIANJUN MA
Принадлежит:

The invention discloses a taping machine for a passenger car compartment door. The taping machine comprises a machine body and a bottom framework which is arranged on the machine body. Pressing mechanisms are respectively arranged on two opposite side walls of the machine body, and one side wall is provided with a 45-degree taping mechanism and a 90-degree taping mechanism; the pressing mechanisms are of air cylinders or oil cylinders arranged on a mounting seat of the side walls and a U-shaped press head hinged on the mounting seats, and one end of the U-shaped press head is hinged with piston rods of the air cylinders or the oil cylinders on the mounting seat; and the 45-degree taping mechanism and the 90-degree taping mechanism are of the oil cylinders arranged on the mounting seat of the side walls and regulating cranks hinged on the piston rods of the oil cylinders, upper ends of the two regulating cranks are respectively provided with pressing blocks, the two pressing blocks arerespectively ...

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Номер записи: 13
15-08-2023 дата публикации

Automatic distribution method and device for digital twin space of power distribution network and storage medium

Номер: CN116595686A
Автор: QIAO JUNFENG, PENG LIN, ZHOU AIHUA, OU ZHUJIAN, YANG PEI, MAO YANFANG, XU MIN, YAO JIANGUANG, PAN SEN, YU HAI
Принадлежит:

The invention discloses a power distribution network digital twin space automatic layout method and device and a storage medium. The method comprises the steps of obtaining three-dimensional space data and equipment file information of all equipment in a typical transformer substation; constructing a three-dimensional model directory of the typical transformer substation according to the three-dimensional space data and the equipment archive information; constructing a three-dimensional model offset rule base of the typical transformer substation according to the stacking information determined by the equipment archive information; and matching the equipment archive information of the to-be-arranged transformer substation with the three-dimensional model catalog and the three-dimensional model offset rule base, and performing automatic space arrangement of the to-be-arranged transformer substation. By implementing the method, the transformer substation to be arranged is matched with the ...

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Номер записи: 14
23-06-2023 дата публикации

Novel power distribution network topology coupling method and device, electronic equipment and storage medium

Номер: CN116316592A
Автор: QIAO JUNFENG, ZHOU AIHUA, PENG LIN, YANG PEI, PAN SEN, SHEN XIAOFENG, HUANG CHENHONG, GU HUA, HUANG XINGDE, ZHENG ZHEN
Принадлежит:

The invention discloses a novel power distribution network topology coupling method and device, electronic equipment and a storage medium. Comprising the steps of obtaining a power grid topological graph of a current target; on the basis of the power grid topological graph, traversing whether the same node exists in the associated node set corresponding to every two adjacent nodes or not to obtain a traversing result; determining two adjacent nodes without the same node as a node group meeting a coupling condition according to a traversal result; and combining two adjacent nodes in the node group to obtain a target node, and updating the power grid topological graph by using the target node. Whether the adjacent nodes meet the coupling condition or not is judged by traversing whether the same node exists in the associated node set corresponding to every two adjacent nodes or not, compared with an existing technical scheme, the power grid topology analysis efficiency is improved, and even ...

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Номер записи: 15
12-02-2014 дата публикации

Aluminum alloy belt pulley for engines

Номер: CN103573971A
Автор: LI HENG, QIAO JUNFENG, KONG XIANGJIE, JING BAOFENG, FU ZUNLIANG, SONG DONGHONG, WANG YING
Принадлежит:

The invention relates to an aluminum alloy belt pulley for engines. The aluminum alloy belt pulley comprises a belt disc and a shaft sleeve. The shaft sleeve is of a hollow cylindrical structure, and a recessed ring is arranged at the end of the shaft sleeve. The belt disc is arranged on the end face of the shaft sleeve. A protruding wall is arranged on one end, opposite to the recessed ring of the shaft sleeve, of the belt disc. The recessed ring and the protruding wall are mutually matched to fix the belt disc on the shaft sleeve. Both the belt disc and the shaft sleeve are made of aluminum alloy.

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Номер записи: 16
25-01-2012 дата публикации

Natural gas leakage in-situ flow rate detection device for gas collection method

Номер: CN0202126289U
Автор: WENLI HOU, LIANG WU, JUNFENG QIAO, QIANG ZHANG, HOU WENLI, WU LIANG, QIAO JUNFENG, ZHANG QIANG
Принадлежит: XI AN FEIBAO DEV COMPANY, XI'AN FEIBAO DEVELOPMENT COMPANY

The utility model discloses a natural gas leakage in-situ flow rate detection device for a gas collection method, comprising a device body and a gas collection device arranged above the body. An electric valve is arranged above the gas collection device, and a liquid level switch is arranged below the gas collection device; and moreover, the liquid level switch is connected with the electric valve. After adoption of the technical scheme, the natural gas leakage in-situ flow rate detection device for the gas collection method can accurately measure the flow rate of gas through constant opening and closing of the liquid level switch, and has better technical effect.

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Номер записи: 17
23-06-2023 дата публикации

Novel power distribution network data resource service method and system

Номер: CN116304529A
Автор: QIAO JUNFENG, ZHOU AIHUA, PENG LIN, SHEN XIAOFENG, PAN SEN, HUANG CHENHONG, YANG PEI, WANG NING, ZHENG ZHEN, QIU HONGBIN, JIANG JING
Принадлежит:

The invention discloses a novel power distribution network data resource service method and a novel power distribution network data resource service system, and the novel power distribution network data resource service method based on multi-source isomerism associates multi-source isomerism data of each business system of a power distribution network by taking equipment as a unified identifier. Secondly, extracting data resource access request features, performing probability distribution analysis on data access frequency by using a Gaussian distribution analysis model in a probability theory, setting confidence level of data request access frequency distribution according to actual service access demand features of the power distribution network, grading data resources, and obtaining data resource distribution data; according to the method, data with high request access frequency is called into a system memory, data with relatively low access frequency is called into an exclusive space ...

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Номер записи: 18
12-02-2014 дата публикации

Antifreezing engine fuel pipe

Номер: CN103573492A
Автор: LI HENG, QIAO JUNFENG, KONG XIANGJIE, JING BAOFENG, FU ZUNLIANG, WANG BIN, SONG DONGHONG
Принадлежит:

The invention relates to an antifreezing engine fuel pipe comprising an oil returning pipe and an oil inlet pipe. The antifreezing engine fuel pipe is characterized in that the oil returning pipe and the oil inlet pipe are made of copper or copper alloy and are connected by welding to form an '8-shaped' pipe. The antifreezing engine fuel pipe has the advantages that the oil returning pipe and the oil inlet pipe are welded reliably, the oil returning pipe can play a pre-heating and heat insulating role for the oil inlet pipe, and wax deposition and blockage of the oil inlet pipe can be avoided accordingly.

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Номер записи: 19
29-06-2011 дата публикации

Skeleton assembly process of full-loading passenger car

Номер: CN0102107692A
Автор: ZHOU JUMIN, QIAO JUNFENG, ZHAO YONGJUN, JING BAOFENG, ZHANG HAODONG, ZHANG YANCHAO, JUMIN ZHOU, JUNFENG QIAO, YONGJUN ZHAO, BAOFENG JING, HAODONG ZHANG, YANCHAO ZHANG
Принадлежит:

The invention discloses a skeleton assembly process of a full-loading passenger car, which is characterized by comprising: after prefabricating the chassis skeleton, directly assembling a suspension rack, a bridge and tires, then welding and merging the prefabricated five skeletons of the car body with the assembled suspension rack, bridge and tires; and assembling the whole car and the chassis accessories via welded seam polishing, skeleton calibration, external covering and painting. Compared with the existing skeleton assembly process of the full-loading passenger car, the assembly process can be matched with the existing work position procedures without increasing apparatus investment in the prior art; and the difficulty in assembling the suspension and the bridge due to a small operation space in the prior art is reduced, the deformation of the chassis caused by non-uniform stress can be avoided, the precision of the sizes of the skeleton parts can be ensured, the assembly cost is ...

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Номер записи: 20
12-11-2014 дата публикации

Remote desktop detection system and detection method thereof

Номер: CN104144087A
Автор: WU KEHE, CUI WENCHAO, AN SICHENG, QIAO JUNFENG, GAO KUNLUN, LI LING
Принадлежит:

The invention discloses a remote desktop detection system which comprises a WEB managing page module, an agent program module and a playback program module. The agent program module is used for agent service for remote desktop access, records remote desktop protocol data in the agent process, stores the remote desktop protocol data as playback files to be called by a playback program. Meanwhile, operation and maintenance can be interrupted in real time, an operation and maintenance function interface is provided for a managing page, and a protocol agent program can agent operation and maintenance personnel for operation and maintenance conversations when the operation and maintenance personnel operate and maintain a certain machine through page clicking. Operation and maintenance initiator information, the process of the operation and maintenance conversations, operated and maintained devices and other information are recorded and stored for in-process control, after-vent playback, centralized ...

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Номер записи: 21