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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.
22-04-2015 дата публикации

Method for establishing signal diagram used for determining two ends of same cable

Номер: CN104537700A
Автор: WENG JIANGUANG, HE WEICHENG, JIA XIAOGANG, HE SHAOLIN, WANG BINGXIN
Принадлежит:

The invention discloses a method for establishing a signal diagram used for determining the two ends of the same cable. A cable data signal is acquired through field operation and transmitted to a software operation end to establish an oscillogram and a receiving end working condition diagram, and the oscillogram, the receiving end working condition diagram and a sending end working condition diagram are combined to form the signal diagram used for determining the two ends of the same cable among multiple cables of an underground working well. According to the method for establishing the signal diagram, the signal receiving oscillogram is formed in the mode that the signal is sent from one end of the cable and received at the other end of the cable, and the other correct end of the cable is analyzed and distinguished according to a sending end cable clamp picture and a receiving end cable clamp picture. Through the signal diagram established according to the method, the two ends of the ...

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Номер записи: 1
18-11-2015 дата публикации

Supplementary device of ascending a height

Номер: CN0204767099U
Автор: LI ZENGHE, ZHANG JIFEI, MIN QINGHAI, JIA XIAOGANG
Принадлежит:

The utility model discloses a supplementary device of ascending a height belongs to electric power climbing instrument field. Including length scalable's base, pillar and cat ladder, the pillar is vertical to be fixed on the base, and the top of pillar is fixed and is equipped with the supporter, and cat ladder one end articulates on the base, and the other end supports the bottom at the supporter, base, pillar, cat ladder and supporter constitution ladder type structure. The utility model discloses the equipment of putting up, change in the work of the operation and maintenance management of mainly used transformer substation one, secondary sign etc. Have safe and reliable, convenient to use's advantage.

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Номер записи: 2
30-03-2018 дата публикации

Whole steel mould of tunnel invert side wall

Номер: CN0207161112U
Автор: JIA XIAOGANG, NIE XINLU, WANG HONGYAN, GAO KEPING, WANG MENG
Принадлежит: CRRC CONSTRUCTION ENG CO LTD, CRRC CONSTRUCTION ENGRG. CO., LTD.

The utility model discloses a whole steel mould of tunnel invert side wall belongs to tunnel construction technical field, including steel mould main part, steel mould main part adopts the cross section be the welding steel frame structure of closed -loop, and the top surface of steel mould main part, lateral surface and bottom surface adopt the steel sheet outsourcing, the contour matching of outside profile of surface and the tunnel invert side wall waiting to pour, and the welding has the steel of enhancement to prop in the inner chamber of steel mould main part, and it has a plurality of waterstop gallowss to weld along the extending direction interval ground of steel mould main part, outside position department is leaned on at steel mould main part top to waterstop gallows welding toextend top towards the outside, and the below of every waterstop gallows is installed the waterstop anchor clamps and is used for fixed waterstop. Simple structure, rigidity are reliable, the dead weight ...

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Номер записи: 3
08-04-2015 дата публикации

Multichannel recording cable wire pairing machine

Номер: CN104502794A
Автор: FANG QICHAO, GU WEIPENG, JIA XIAOGANG
Принадлежит:

The invention discloses a multichannel recording cable wire pairing machine, and belongs to the technical field of cable detection. The multichannel recording cable wire pairing machine comprises multiple transmitter circuits and a receiver circuit, wherein each transmitter circuit comprises a recording module, an optocoupler, a first capacitor, a diode and an MIC recording module; the playback output positive end of the recording module is connected with a transmitter wire clamp; the playback output negative ends of the multiple transmitter circuits are connected together; two playback control ends of the recording module are connected with the optocoupler input end; the two recording input ends of the recording module are connected with the MIC recording module; the receiver circuit comprises a loudspeaker, a second capacitor, a resistor, a battery and two receiving wire clamps; the battery and the resistor are serially connected to form a receiver power supply unit; the loudspeaker and ...

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Номер записи: 4
11-06-2014 дата публикации

Current transformer electricity taking control method and system

Номер: CN103856086A
Автор: JIA XIAOGANG, ZHANG SHIYUAN, HUANG QIANG, WU CHENGCAI
Принадлежит:

The invention discloses a current transformer electricity taking control method which comprises the steps of rectifying alternating electromotive force generated in a current transformer winding, and performing energy storage; detecting voltage of a rectified energy storage capacitor, comparing the voltage with reference voltage, and outputting a control signal according to the comparison; performing controller input energy consumption adjustment on a current transformer according to the control signal; performing output adjustment control on controller output voltage according to the control signal. The invention also provides a current transformer electricity taking control system. The current transformer electricity taking control system comprises a rectifying unit, an energy storage unit, a control unit, an input adjustment unit and an output adjustment unit, wherein the rectifying unit, the energy storage unit and the output adjustment unit are connected in sequence; the input adjustment ...

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Номер записи: 5
04-02-2009 дата публикации

Detecting method for long-distance full-characteristic analysis of target pipeline and device thereof

Номер: CN0101359058A
Автор: YAN HAILIN, JIA XIAOGANG, ZHU LIQIN, HAILIN YAN, XIAOGANG JIA, LIQIN ZHU
Принадлежит:

Disclosed are a detection method and a device for remote full-characteristic analysis on a cable to be tested; the method and the device enable multi-loop full-characteristic analysis on the cable to be tested through voltage, current, amplitude, direction, phase signals and the like; the method and the device have the advantages that the multiple signals can be collected at the same time; the homologous homo-body transmission signals and the homologous allogeneic induction interference signals can be highly accurately identified in the case of no power-off; and the device is provided with the working condition assessment uniqueness to identify the cable to be tested. Fixed-frequency audio signals are loaded to pipelines through a transmitting device; the whole signals of all the cables in the block are collected at the detection end in one time; a receiving device captures the signals and then filters and amplifies the signals; the signals equivalent to the transmitting frequency are compared ...

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Номер записи: 6
05-05-2010 дата публикации

Method for analyzing and recognizing phase of cable and device thereof

Номер: CN0101701987A
Автор: JIA XIAOGANG, YAN HAILIN, ZHU LIQIN, XIAOGANG JIA, HAILIN YAN, LIQIN ZHU
Принадлежит:

The invention provides a detection technique special for cable recognition and phase measurement of high-voltage (35kV and above) single-core operating cables and a device thereof, and more particularly provides a detection device for remotely analyzing the characteristics of cables to be detected, which is special for cable recognition and phase measurement of high-voltage (35kV and above) single-core operating cables to be detected; by using the device, phase data of the cable is acquired in a non-contact acquisition manner at the position of the operating phase of the known single-core cables and initialized definition is implemented to form a comparative reference value; afterwards, working current and phase data of the single-core cable to be detected can be acquired likewise by the device at any time at the position of a target cable requiring detection, and a received signal is subject to A/D conversion, amplification, compensation, synchronization and other processing to be compared ...

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Номер записи: 7
05-03-2014 дата публикации

High-voltage cable connector accessory provided with insulation sleeve and infrared temperature measurement method thereof

Номер: CN103618279A
Автор: YU LIGANG, JIA XIAOGANG
Принадлежит:

The invention discloses a high-voltage cable connector accessory provided with an insulation sleeve. The high-voltage cable connector accessory is arranged at a middle connector portion between two high-voltage cables or a connector portion of an outdoor terminal of the high-voltage cables. The insulation sleeve is a transparent pipe sleeve or a partial transparent pipe sleeve. An optical detector receives infrared energy reflected from the insulation sleeve, converts the infrared energy to an output signal and transmits the output signal to a control instrument or a computer system to carry out high-voltage cable temperature measurement and control processing or insulation sleeve aging degree analysis. According to the high-voltage cable connector accessory provided with the insulation sleeve, the insulation sleeve is the transparent pipe sleeve or the partial transparent pipe sleeve, the rapid transmission of high-potential thermal radiation energy of the cable connector portion is facilitated ...

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Номер записи: 8
21-05-2014 дата публикации

Underground shaftway multi-data collecting and controlling system

Номер: CN103809570A
Автор: JIA XIAOGANG, WU CHENGCAI, ZANG LEI, YING DONGDONG
Принадлежит:

The invention relates to an underground shaftway multi-data collecting and controlling system which comprises a field signal sensing monitoring unit, an executing mechanism movement or alarming unit, a node signal transmission unit and a center management control unit. The node signal transmission unit adopts a communication network of a tree topology structure. The node signal transmission unit adopts a wired communication technology or a wireless communication technology and transmits an executing movement signal or an alarming signal to the center management control unit. The node signal transmission unit adopts a power line communication structure, namely a pair of leads provides electrical energy and a signal communication function. The system can solve the problem in the data collection or online monitoring systems of the existing underground power cables that an application range is limited, environment disturbance is large, data transmission and sharing performance is poor, and ...

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Номер записи: 9
14-05-2014 дата публикации

Cable running state intelligent monitoring system

Номер: CN103791947A
Автор: JIA XIAOGANG, HUANG QIANG, HE SHAOLIN, WU CHENGCAI
Принадлежит:

A cable running state intelligent monitoring system comprises a field monitoring system and a data intelligent monitoring and managing platform. A monitoring data transmission system is arranged between the field monitoring system and the data intelligent monitoring and managing platform. The field monitoring system comprises a first-level grounding net communication device. The monitoring data transmission system is provided with a second-level grounding net communication device. Compared with the prior art, the cable running state intelligent monitoring system has the advantages that the problem of online monitoring and managing of key positions of urban power grid cables is solved, the decision basis for route optimization design, running state evaluation, maximum dynamic current-carrying capacity control and defect overhaul is provided for the design department, the scheduling department and the running detection department, a cable running defect diagnosis and analysis model is set ...

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Номер записи: 10
18-05-2011 дата публикации

Detecting method for long-distance full-characteristic analysis of target pipeline and device thereof

Номер: CN0101359058B
Автор: YAN HAILIN, ZHU LIQIN, JIA XIAOGANG, HAILIN YAN, LIQIN ZHU, XIAOGANG JIA
Принадлежит:

Disclosed are a detection method and a device for remote full-characteristic analysis on a cable to be tested; the method and the device enable multi-loop full-characteristic analysis on the cable to be tested through voltage, current, amplitude, direction, phase signals and the like; the method and the device have the advantages that the multiple signals can be collected at the same time; the homologous homo-body transmission signals and the homologous allogeneic induction interference signals can be highly accurately identified in the case of no power-off; and the device is provided with the working condition assessment uniqueness to identify the cable to be tested. Fixed-frequency audio signals are loaded to pipelines through a transmitting device; the whole signals of all the cables in the block are collected at the detection end in one time; a receiving device captures the signals and then filters and amplifies the signals; the signals equivalent to the transmitting frequency arecompared ...

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Номер записи: 11
12-08-2015 дата публикации

Efficient denitrification bio-aerating filter filler and preparation method thereof

Номер: CN104828934A
Автор: REN LIJUN, FU CHENGYI, JIA XIAOGANG
Принадлежит:

The invention discloses efficient denitrification bio-aerating filter filler and a preparation method thereof. The efficient denitrification bio-aerating filter filler is prepared from the following components in percentage by mass: 60-80% of coal ashes, 5-15% of kaolin, 5-15% of straw powder, 5-15% of glutinous rice flour and 1-5% of sodium metasilicate. When applied to an efficient denitrification bio-aerating filter, the efficient denitrification bio-aerating filter filler disclosed by the invention has excellent ammonia nitrogen, phosphor and COD (chemical oxygen demand) removal rate, is short in biofilm colonization time, capable of reducing aeration scale, is mainly prepared from a natural material, and is less in harmful and toxic substance and beneficial to the environment.

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Номер записи: 12
30-01-2008 дата публикации

Natural mater modified dust suppression agent

Номер: CN0101113320A
Автор: ZHENG RIQIANG, JU MING, ZHANG YI, KANG GUANGQUAN, WANG JUAN, DENG GUOQIANG, REN XIA, WU HUAHAI, WU HAIYAN, JIA XIAOGANG, DAI WEN, CHEN JINXIU, RIQIANG ZHENG, MING JU, YI ZHANG, GUANGQUAN KANG, JUAN WANG, GUOQIANG DENG, XIA REN, HUAHAI WU, HAIYAN WU, XIAOGANG JIA, WEN DAI, JINXIU CHEN
Принадлежит:

The invention discloses a natural material modified dust-depressor according a molecular structural formula (I) and a molecular structural formula (II), wherein, R', R'' and R''' in formula (I) and R1 in formula (II) are organic groups containing C-, meanings of the invention are that: R' and R are reagent open loops cyclialkylated by resin acid, and then bonded into organic groups by positive ionization, R'' and R''' are directly added by double bond and strained open loop chains by cyclialkylation reagent and then bonded into organic groups by positive ionization under the effect of phase transfer catalyst. The invention takes a natural material secreted by trees, namely alkyl hydrogenation phenanthrene resin acid, as the raw material and adopts a method of molecular design to modify the resin acid to get powder dust-depressor that has excellent effect; the invention has innocuity, no pollution, strong loss resistance, no irritation and no corrosion and the invention can be widely applied ...

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Номер записи: 13
08-04-2015 дата публикации

Transformer oil drain device

Номер: CN104500896A
Автор: LIU XIUSHENG, ZHAO CHUNSHAN, JIA XIAOGANG
Принадлежит:

The invention discloses a transformer oil drain device which is applied to transforms of an electrical power system. The transformer oil drain device comprises an oil guide hose, an oil container, a connector connected with an oil drain hole of the transformer, a sealer connected with the connector, a nut sleeve arranged in the sealer and a quick wrench fittingly used with the nut sleeve; the sealer is of a three-way structure with a side pipe, and the lower portion of the inner hole of the sealer is arranged to be a funnel-shaped through hole; the nut sleeve comprises a conical body and a cylindrical body which are respectively cooperated with a conic section and a cylindrical section of a conical through hole of the sealer, a sleeve hole is arranged in the upper end of the conical body, and the lower end of the cylindrical body is arranged to be square; the quick wrench is composed of a round head and a handle. The transformer oil drain device is entirely sealed during the oil drain process ...

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Номер записи: 14
19-08-2015 дата публикации

On-site data collection method for power cable survey

Номер: CN104853090A
Автор: WENG JIANGUANG, HE WEICHENG, GENG YAHUI, JIA XIAOGANG, WANG BINGXIN
Принадлежит:

The present invention discloses an on-site data collection method for power cable survey. Electric construction facility photos are shot by mobile phones, and the photos and key information such as facility names are bound with other information. The method is utilized to carry out surveys on current situations and safety situations of power cables in a pipe network, find out pipeline current situations, the pipeline trend, and power cable deep burying and working well situations, determine if there are damages and if the power cables are exposed, and analyze and determine the security status of the power cables, thereby providing accurate bases for further taking corresponding measures.

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Номер записи: 15
01-07-2015 дата публикации

Lifting type electric-control pressure-bearing waterproof parking space blocking device

Номер: CN104746926A
Автор: JIA XIAOGANG, ZHANG SHUN
Принадлежит:

The invention relates to a lifting type electric-control pressure-bearing waterproof parking space blocking device. Under a non-working state, the blocking device is shrunk to be parallel to the ground, and comprises a hollow-barrel-shaped sealed protective cover (10) which is fixed below the ground, wherein a first sleeve (20), a second sleeve (30) and a third sleeve (40) are arranged in the sealed protective cover (10) from the inside to the outside in sequence; a multi-section lifting design is adopted, so that the assembling and the maintaining are convenient; a screw set (262) which is fixed on a screw rod base (26) is arranged in the first sleeve (20) in a penetration manner; the upper part of the screw set (262) is provided with a driver (243) through a fixed base rack (24); the driver (243) lifts with the lifting of the screw set (262), and is beneficial to follow-up maintaining; the drive motor of the driver (243) is inverted in the sleeve (20), so that the normal work of the blocking ...

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Номер записи: 16
22-08-2023 дата публикации

Lead sealing impedance alternating current measurement system and method

Номер: CN116626391A
Автор: JIA XIAOGANG, ZHU ZUHUA, LIANG QI, ZANG LEI
Принадлежит:

The invention relates to a lead sealing impedance alternating current measurement system and method, and belongs to the technical field of electric power detection. The lead sealing impedance alternating current measurement system comprises a signal acquisition module which is used for acquiring a voltage source of a loop to be measured and filtering the voltage source to obtain an alternating current isolation signal; the signal transmission module is electrically connected with the signal acquisition module and is used for receiving the alternating current isolation signal and carrying out coupling processing and isolation sampling on the alternating current isolation signal to obtain a first current signal and a second current signal; and the control module is electrically connected with the signal transmission module and is used for determining the lead sealing impedance of the loop to be detected based on the first current signal and the second current signal. Insulation and voltage ...

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Номер записи: 17
02-12-2015 дата публикации

A manual elevating system for waterproof type parking stall retention device

Номер: CN0204826818U
Автор: JIA XIAOGANG, ZHANG SHUN
Принадлежит:

The utility model relates to a management technical field that parks particularly, relates to a manual elevating system for waterproof type parking stall retention device, should manual elevating system sets up in first sleeve (2), and this parking stall retention device is including closed safety cover (1) of fixing the cavity tube -shape below ground, from interior first sleeve (2), second sleeve (3) and the third sleeve of outwards being equipped with in proper order in closed safety cover (1), adopt the multisection to go up and down to design, its convenient equipment and maintenance. Hand joint (11) pass through axis (12) and screw rod group (7) is connected, and axis (12) outside is equipped with second gear (15), and the during operation uses the manual spanner of pressing of spanner, makes round pin (151) throw off cotter way (152) on second gear (15), when driving hand joint (11) rotation again, give axis (11) and screw rod group (7) with the power transmission to realize the ...

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Номер записи: 18
06-01-2016 дата публикации

Adsorbent belt cleaning device

Номер: CN0204933482U
Автор: ZHANG JIBING, HU JUN, JIA XIAOGANG, XU DONGZHI, MIAO PIQU
Принадлежит:

The utility model discloses an adsorbent belt cleaning device. This adsorbent belt cleaning device, including the staving, the lower part of staving is provided with the outlet, and drain connection has the drain pipe, installs foraminiferous baffle at the upside of outlet, and the baffle that highly is higher than of arranging water outlet of the water pipe is less than reason on the staving, still includes the gland, and the gland diameter is less than the internal diameter of staving, and the adsorbent is placed between baffle and gland. Gland in the last side pressure of baffle is placed to the adsorbent, can place the heavy object on the gland, and to putting into the clean water in the staving, the adsorbent has recovered the adsorption efficiency by reuse under the recycling of water washes. This device does not need the manual work to remove to step on the pressure adsorbent, has reduced workman's intensity of labour, has avoided simultaneously because extrusion and to the damage ...

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Номер записи: 19
03-06-2015 дата публикации

Method for separately organizing electrical civil engineering facility of cable facility data

Номер: CN104675117A
Автор: WENG JIANGUANG, JIA XIAOGANG, YU LIGANG, WANG BINGXIN
Принадлежит:

The invention discloses a method for separately organizing an electrical civil engineering facility of cable facility data. The method comprises the steps of respectively establishing a hierarchical organizing structure on an electrical facility and a civil engineering facility of the cable facility data according to a tree logic, wherein each tree-shaped hierarchical organizing structure is provided with node units, each node unit comprises entity nodes and place-holder nodes, the entity nodes are nodes of a specific electrical facility and a specific civil engineering facility, which are respectively used for establishing the hierarchical organizing structures according to the tree logic, of the electric facility and the civil engineering facility, and the place-holder nodes are node units for organizing the tree logic. The method for separately organizing the electrical civil engineering facility of the cable facility data, disclosed by the invention, is a visual organizing method; by ...

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Номер записи: 20
11-08-2023 дата публикации

Drying device and method in disinfectant effervescent tablet production

Номер: CN116576643A
Автор: SONG XINGLONG, JIA XIAOGANG, SONG XINGHUA, WEI XINRUI
Принадлежит:

The invention belongs to the technical field of disinfectant production equipment, and discloses a drying device in disinfectant effervescent tablet production and a method thereof.The drying device in disinfectant effervescent tablet production comprises a drying box and an electric heating pipe arranged in the inner wall of the drying box, a mounting cover is arranged on the upper portion of the drying box, and the electric heating pipe is arranged on the lower portion of the drying box; an up-down moving assembly is arranged above the mounting cover, a mounting groove is formed in the lower surface of the mounting cover, a rotating assembly is mounted in the mounting groove, a plurality of stirring assemblies are arranged on the rotating assembly, a fixed box is fixedly mounted in the middle of the drying box, and four telescopic plates are arranged on the outer side of the fixed box through adjusting assemblies; according to the disinfectant powder drying device, disinfectant powder ...

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Номер записи: 21