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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 34. Отображено 34.
23-06-2023 дата публикации

Detection algorithm and system for ground fault leakage current technology

Номер: CN116298677A
Автор: HU CHONGYI, LUO YUNGUO, LIU XIU, WANG YONG, XIA TIAN, GAN YI, SHEN ENLAI, LIANG XIAOQIANG
Принадлежит:

The invention discloses a detection algorithm and system for a ground fault leakage current technology, and provides a detection algorithm for the ground fault leakage current technology by taking a direct current pulse discharger as a carrier, solving the defects of the existing fault detection, and simulating a field power transmission state by utilizing a pulse width direct current technology. The characteristics and data states of the faults are analyzed and intelligently judged, the processing level and searching speed of the distribution network line faults are improved, and meanwhile, a mathematical model is established to quickly and effectively assist workers in processing the faults of the 10kV line and discovering the deep faults of the line faults.

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Номер записи: 1
25-04-2023 дата публикации

Time correction method and system for secondary equipment of transformer substation

Номер: CN116015515A
Автор: FU TONGFU, XIE HUAQUAN, CHEN GANG, MA JIANWEI, ZHANG HONGLUE, HUANG LI, WANG LEI, PAN SHENGGUI, WANG WENHUA, SHEN LISHENG, YUAN YONG, SONG QINYE, GUAN JIN, YU JINSONG, ZHANG HUAISHUANG, ZHANG DONGZHE, HU YUEXING, YAN TIANCAN, HUANG YU, HE JINFENG, ZHANG JIANXING, CHEN DINGBIAO, ZHANG XUDONG, XIA TIAN, WANG TAO, JIANG CHENGGANG, GOU DONGDONG
Принадлежит:

The invention discloses a time correction method for secondary equipment of a transformer substation. The method comprises the following steps: acquiring and analyzing a B code time signal without a synchronous identifier; effective B code time signals are received from the outside to an external B code time service terminal, and the synchronous CDMA clock source outputs time synchronization data; a high-stability crystal oscillator is used for keeping the stability of time data, and a central processor processes a received B code signal. According to the time correction method and system for the transformer substation secondary equipment, the CDMA clock source is adopted for automatically synchronizing time, the synchronization accuracy of external synchronization and a synchronization rising source is higher, a high-stability crystal oscillator is adopted for keeping time, after time service is conducted, time synchronization service of a period of time can still be provided for the transformer ...

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Номер записи: 2
04-08-2023 дата публикации

Reciprocating pump sealing device and system thereof

Номер: CN116538079A
Автор: LIU GUANGBING, LIU HAISHAN, WANG YONGQIANG, WEN HONGGANG, XIA TIAN, CHEN ZHENGWEN, DONG WENPING, ZHAO YIKUI, HAN CAIHONG
Принадлежит:

The invention belongs to the technical field of reciprocating pump sealing, and particularly relates to a reciprocating pump sealing device and system. The reciprocating pump sealing device comprises a main sealing section, a liquid sealing ring and an auxiliary sealing section which are sequentially arranged in the axial direction of a plunger. By controlling the sealing pressure of the main sealing section, the pressure drop zero point of the high-pressure medium from the medium cavity and the pressure drop zero point of the low-pressure spacer fluid from the liquid sealing ring are located at the same point in the main sealing section, or the pressure drop areas of the high-pressure medium and the low-pressure spacer fluid are overlapped in the main sealing section. According to the reciprocating pump sealing device, the leakage-free performance of sealing of the reciprocating pump can be ensured while the service life of the filler is prolonged.

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Номер записи: 3
06-01-2011 дата публикации

POP-OUT TYPE BATTERY RELEASE STRUCTURE

Номер: WO2011000143A1
Автор: NIE, Qilin, XIA, Tian, CHEN, Shen
Принадлежит:

Provided is a pop-out type battery release structure, which comprises a principal device (1) and a battery case (2). A battery chamber (11), which is open at its bottom end, is provided in the principal device (1), and the battery case (2) is inserted into the battery chamber (11) from the bottom end. The top of the battery chamber (11) is provided with a battery lock (12). One end of the battery lock (12) extends to the back side of the principal device (1) to form a battery release button (121), and the other end of the battery lock (12) is inserted into one end of a lock spring (122). The other end of the lock spring (122) is held in place by the inner wall of the battery chamber (11). The upper end of the battery case (2) is provided with a battery latch (21) which locks the lower portion of the battery lock (12). The release structure is easy to operate and accommodates a longer battery, which improves battery capacity without the need for a thicker battery. The release structure enables ...

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Номер записи: 4
30-05-2023 дата публикации

Cache hit rate estimation method under multi-cache server

Номер: CN116185897A
Автор: XIA TIAN, XING SIWEI, WANG MIAN, QU XUEDANG, GAO HUAZHAO
Принадлежит:

The invention discloses a cache hit rate estimation method under a multi-cache server. The method comprises the following steps: determining a maximum simulation frequency queerymax and an amplification coefficient lambda; the scheduling module generates one random integer every c/lambda millisecond, the value range of the random integers is (0, m), 1000 * lambda/c random integers are generated every second, and each random integer represents one simulation request. Executing the following cache simulation operation on the random number r generated at the t moment; a cache server r is calculated, the time interval from the last cache time Cache to the current time interval timespan is calculated, and timespan is equal to (timespan-Cache) * lambda; if timespan is smaller than maxtime, the cache is hit, and hit is set to be equal to hit + 1; if timespan is larger than or equal to maxtime, the cache is not hit, Cache is equal to timespan, and hit is kept unchanged; adding 1 to the total number ...

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Номер записи: 5
26-03-2020 дата публикации

METHOD USED FOR CONTROLLING AUTOMATIC DRIVING OF VEHICLE, DEVICE, MEDIUM AND SYSTEM

Номер: WO2020057105A1
Автор: TAO, Ji, XIA, Tian, HU, Xing
Принадлежит:

According to the embodiments of the present disclosure, provided are a method used for controlling the automatic driving of a vehicle, a device, a medium, and a system. A method used for controlling the automatic driving of a vehicle, comprising obtaining an environment perception result related to the environment around a vehicle, the environment perception result being based on perception information collected by at least one sensor that is arranged in the environment and that is independent from the vehicle, and the environment perception result indicating relevant information of multiple objects in the environment; determining a vehicle-exterior perception result for the vehicle by means of excluding a vehicle perception result corresponding to the vehicle from the environment perception result; and controlling a driving behavior of the vehicle at least on the basis of the vehicle-exterior perception result. The perception of the environment is executed by a sensor at the exterior of ...

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Номер записи: 6
28-02-2019 дата публикации

ISSUANCE OF SERVICE CONFIGURATION FILE

Номер: WO2019037775A1
Автор: XIA, Tian
Принадлежит:

A method for issuing a service configuration file and a corresponding device for issuing a service configuration file. The method comprises: receiving a DHCP request message sent from a logical device, wherein the logical device is created at a physical device; determining address information corresponding to a service configuration file of the logical device; and sending a DHCP response message carrying the address information to the logical device, to cause the logical device to acquire the service configuration file of the logical device according to the address information in the DHCP response message. The embodiments of the present invention can reduce the workload of an administrator and prevent errors in configuration files.

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Номер записи: 7
02-06-2023 дата публикации

Water-dispersible modified polyisocyanates

Номер: CN116209693A
Автор: LIU HAO, MA YAGUANG, XU NA, XIA TIAN, DANIELMEYER KURT, PIRET ROMAIN, LAAS HANS-JOSEF
Принадлежит:

The invention relates to water-dispersible modified polyisocyanate and application thereof, in particular to application of the water-dispersible modified polyisocyanate as a crosslinking component of a water-soluble or water-dispersible coating. The water-dispersible modified polyisocyanate can be obtained by reacting a system comprising the following components: a water-dispersible polyisocyanate and an isocyanate reactive component; the viscosity of the water-dispersible modified polyisocyanate is 3000 mPa.s to 11000 mPa.s, and the viscosity is measured according to DIN EN ISO 3219: 1994-10 at the temperature of 23 DEG C and the shear rate of 10 s <-1 > by selecting an MV-DIN rotor. The water-dispersible modified polyisocyanate disclosed by the invention has good manual stirring property and good dispersity, and a coating layer formed by a coating containing the water-dispersible modified polyisocyanate has high gloss and good transparency.

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Номер записи: 8
16-03-2017 дата публикации

SMART HOME DEVICE CONTROL METHOD, APPARATUS AND DEVICE, AND NON-VOLATILE COMPUTER STORAGE MEDIUM

Номер: WO2017041360A1
Автор: LI, Guang, XIA, Tian, HUANG, Chang
Принадлежит:

A smart home device control method, apparatus and device, and a non-volatile computer storage medium. The method comprises: acquiring input information input by a user based on a natural dialogue mode interface (S101); obtaining a control instruction for a smart home device according to the input information (S102); and sending the control instruction to the smart home device, so as to enable the smart home device to execute an operation according to the control instruction (S103). Due to the fact that a natural dialogue mode interface is adopted as the mode of interaction with a user, there is no need to display all controllable controls, of the smart home device provided by an application on a screen of a terminal. Therefore, the problem of increased data interaction between an application and a processing engine used by the application due to the limited display area of the terminal in the prior art can be avoided, and accordingly the processing burden of the processing engine is reduced ...

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Номер записи: 9
13-09-2012 дата публикации

SOUND CHAMBER APPARATUS

Номер: WO2012119379A1
Автор: KOK, Gee siong, ZHOU, Tom, CHOO, Chuan hoe, KUANG, Kunshan, XIA, Tian, GENG, Shaowei
Принадлежит:

The present invention relates to a sound chamber apparatus comprising a device body, a loudspeaker fixed inside of an accommodation cavity of the device body, and a loudspeaker cover provided over the loudspeaker and connected to the device body. A sound hole is provided on the loudspeaker cover, and a space is maintained between both the loudspeaker and the device body and the loudspeaker and the loudspeaker cover so as to form a sound chamber used for adjusting sound quality. The sound hole is positioned at the side of said sound loudspeaker cover, and the accommodation cavity is positioned at the rear of the device body. Because the sound hole in said apparatus is positioned at the side of the loudspeaker cover, said sound hole is not blocked when a user holds the apparatus, thus the sound of the apparatus is unaffected. Furthermore, positioning the loudspeaker at the rear not only frees up space at the front of the apparatus, thus improving the aesthetics thereof, but also allows the ...

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Номер записи: 10
13-09-2012 дата публикации

HANDHELD COMMUNICATION TERMINAL

Номер: WO2012119378A1
Автор: KOK, Gee siong, ZHOU, Tom, CHOO, Chuan hoe, XIA, Tian, GENG, Shaowei
Принадлежит:

The present invention relates to a handheld communications terminal comprising a printed circuit board (30) for performing communications functions, and a metallic shell (10) for accommodating said printed circuit board (30), said terminal also comprising a protective cover (20) made of heat-conducting material, the protective cover (20) covering a heat-generating element (31) on the printed circuit board (30); a first heat-conducting-glue layer (41) disposed between the protective cover (20) and the top surface of the heat-generating element (31), and a second heat-conducting-glue layer (42) disposed between the inside surface of the shell (10) and the bottom surface of the heat-generating element (31); and a heat-resistant structure (14) having a non-planar surface provided from the contact position (13) of the inside surface of the shell (10) and the bottom surface of the heat-generating element (31) to the handheld contact face (11) on the shell (10). By changing the structure of the ...

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Номер записи: 11
05-03-2020 дата публикации

ESTABLISHMENT OF FAST FORWARDING TABLE

Номер: WO2020043200A1
Автор: XIA, Tian
Принадлежит:

A method and a device for establishing a fast forwarding table. Said method comprises: when a communication message is received, determining, according to a matching rule of a service configured by a message processing policy, a target service matching the communication message; if no fast forwarding table corresponding to the communication message is stored locally, acquiring a preset target priority of the target service, and determining, according to a correlation between preset priorities and resource utilization rate thresholds, a target resource utilization rate threshold corresponding to the target priority; determining whether the current resource utilization rate exceeds the target resource utilization rate threshold; and if the current resource utilization rate does not exceed the target resource utilization rate threshold, establishing a fast forwarding table corresponding to the communication message. The present application is able to reduce the memory pressure of a network ...

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Номер записи: 12
07-04-2023 дата публикации

Background monitor reinforcing method

Номер: CN115941326A
Автор: FU TONGFU, GUAN JIN, CHEN GANG, MA JIANWEI, ZHANG HONGLUE, HUANG LI, WANG LEI, PAN SHENGGUI, WANG WENHUA, SHEN LISHENG, YUAN YONG, XIE HUAQUAN, SONG QINYE, YU JINSONG, ZHANG HUAISHUANG, ZHANG DONGZHE, HU YUEXING, YAN TIANCAN, HUANG YU, HE JINFENG, ZHANG JIANXING, CHEN DINGBIAO, ZHANG XUDONG, XIA TIAN, WANG TAO, JIANG CHENGGANG, GOU DONGDONG
Принадлежит:

The invention discloses a background monitor reinforcing method. The method comprises the following steps: judging a platform where a current system is located; account information, port information and performance information on the server are collected and reported to the management platform; and the management platform processes the collected information and reinforces the background monitor through optimization management. According to the background monitoring machine reinforcing method, reinforcing detection can be carried out on a Windows system host and a LINUX system host respectively, reinforcing detection of account management, authentication authorization, port management states and the like is automatically carried out, strategies of system log management, IP protocol management and other network parameter management are automatically detected, the detection result is actively presented to operation and maintenance personnel, and the operation and maintenance efficiency is ...

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Номер записи: 13
02-06-2023 дата публикации

Modified polyisocyanates

Номер: CN116209692A
Автор: LIU HAO, MA YAGUANG, XU NA, XIA TIAN, LAAS HANS-JOSEF, PIRET ROMAIN
Принадлежит:

The invention relates to modified polyisocyanate and application thereof, in particular to application of the modified polyisocyanate as a crosslinking component of a water-soluble or water-dispersible coating. The modified polyisocyanate comprises an imino oxadiazinedione structure and an isocyanurate structure, and the weight ratio of the imino oxadiazinedione structure to the isocyanurate structure is not less than 1: 5; on the basis of the total weight of the modified polyisocyanate, the total amount of molecules with the number-average molecular weight larger than 2700 g/mol in the modified polyisocyanate is 4.1%-22% by weight; the modified polyisocyanate can be obtained by reacting the following components: sulfamic acid and polyisocyanate; a tertiary amine; and optionally a polyether alcohol comprising an ethylene oxide group.

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Номер записи: 14
13-09-2012 дата публикации

BATTERY OPENING DEVICE

Номер: WO2012119381A1
Автор: ZHOU, Tom, CHOO, Chuan hoe, KUANG, Kunshan, XIA, Tian, GENG, Shaowei
Принадлежит:

A battery opening device for installing a battery (2) onto the body of a walkie talkie (1). A locking clip (3) is slidably disposed in an installation groove (11) on the body of the walkie talkie (1). At least one protrusion (32) is provided on the locking clip (3). Inbetween one side of the protrusion (32) and the locking clip (3) forms a locking position groove (31). A position-fixing protrusion (21) is provided on the battery (2). The position-fixing protrusion (21) locks into the locking position groove (31). An elastic piece (4) is provided between one end of the locking clip (3) and the inner wall of the installation groove (11). At the same time the locking clip (3) slides so that the position-fixing protrusion (21) locks into the locking position groove (31), the elastic piece (4) is compressed. When the elastic piece (4) resets, the elastic piece (4) pushes the locking clip (3) to slide and fasten the position-fixing protrusion (21). The battery opening device locks a battery into ...

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Номер записи: 15
28-07-2023 дата публикации

PSA-PSO-based auxiliary decision-making intelligent evaluation method and system for provincial network section out-of-limit

Номер: CN116502838A
Автор: ZENG LINGKANG, LI QUNSHAN, WANG YANG, HUANG MUTAO, XIA TIAN, WEI CONGYING, XU HAO, YAO JIANGLONG, CHEN XINGBANG
Принадлежит:

The invention discloses a provincial network section out-of-limit auxiliary decision intelligent evaluation method and system based on SSA-PSO, and the method comprises the following steps: determining a decision variable, an objective function and a constraint condition according to a power grid parameter, and forming a section out-of-limit auxiliary decision optimization scheduling model; and setting algorithm parameters, and solving the model by using an SSA-PSO algorithm to obtain a section out-of-limit auxiliary decision scheduling scheme. The method has the advantage that the analysis capability of the D5000 system aiming at the section out-of-limit condition is effectively enhanced. The scheduling scheme obtained by model solution can fully utilize the provincial network reserve capacity on the basis of no power outage, and adjusts the power of an out-of-limit section to enable the out-of-limit section to return to normal. Meanwhile, compared with PSO and SSA algorithms, the performance ...

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Номер записи: 16
21-07-2023 дата публикации

Direct current absorption capability intelligent evaluation method and system based on adaptive NSGAIII

Номер: CN116468322A
Автор: CHEN WENZHE, XU HAO, LI QUNSHAN, HUANG MUTAO, ZHU KEFAN, WANG YANG, XIA TIAN, CHEN XINGBANG
Принадлежит:

The invention discloses a provincial network direct current consumption capability calculation method and system based on an adaptive NSGA-III algorithm, and the method comprises the steps: determining a decision variable, an objective function and a constraint condition according to a power grid parameter; all the power grid parameters are sent to a model of an adaptive NSGA-III algorithm, algorithm parameters are set, the large power grid future state new energy consumption capability is solved, and a Pareto optimal solution set is obtained; and calculating the subjective and objective weight coefficients of the indexes by using an analytic hierarchy process and a variable coefficient method, obtaining a final comprehensive weight coefficient by using combined weighting, evaluating a Pareto optimal solution set by using a grey correlation ideal solution, and optimizing an optimal new energy consumption capability scheduling scheme. According to the method, the solving result better fits ...

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Номер записи: 17
07-04-2023 дата публикации

Network storm source tracing method for power system local area network

Номер: CN115941534A
Автор: FU TONGFU, SONG QINYE, CHEN GANG, MA JIANWEI, ZHANG HONGLUE, HUANG LI, WANG LEI, PAN SHENGGUI, WANG WENHUA, SHEN LISHENG, YUAN YONG, XIE HUAQUAN, GUAN JIN, YU JINSONG, ZHANG HUAISHUANG, ZHANG DONGZHE, HU YUEXING, YAN TIANCAN, HUANG YU, HE JINFENG, ZHANG JIANXING, CHEN DINGBIAO, ZHANG XUDONG, XIA TIAN, WANG TAO, JIANG CHENGGANG, GOU DONGDONG
Принадлежит:

The invention discloses a network storm source tracing method for a power system local area network. The method comprises the following steps: connecting a mirror image port of a core switch; counting the ratio of the network flow in the normal operation state to the flow of single equipment in the local area network, and judging whether a network storm occurs or not; and positioning a problem area by using network loop detection and IP address conflict detection. According to the network storm source tracing method for the power system local area network provided by the invention, tracing can be carried out at the first time when the storm occurs, the data of the whole switch is dynamically obtained through the mirror port, and the calculation result is more accurate and has real-time performance; loop detection and IP address conflict detection are combined, various network storms can be processed, and the applicability is higher. According to the invention, a good assisting effect can ...

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Номер записи: 18
09-06-2023 дата публикации

Direct-current pulse discharge instrument

Номер: CN116243105A
Автор: HU CHONGYI, LUO YUNGUO, LIU XIU, WANG YONG, XIA TIAN, GAN YI, SHEN ENLAI, LIANG XIAOQIANG
Принадлежит:

The invention discloses a direct-current pulse discharge instrument which comprises a central control module, a high-voltage module, a voltage sampling module, a current sampling module, a high-voltage discharge module, a battery pack and interaction equipment. The device can generate pulse width modulation voltage signals, determines the type and the position of a high-voltage line grounding fault based on voltage and current signals and environment humidity, provides a scientific basis for power transmission, and can quickly and effectively assist a worker to process a fault of a 10kV line and find a deep fault of the line fault. Whether a grounding fault exists in a distribution network line can be judged by measuring curvelets of voltage, leakage current and resistance, and then the direction of a fault point and the fault type are judged.

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Номер записи: 19
23-06-2023 дата публикации

New-grade hard alloy for cold heading die and preparation process

Номер: CN116287925A
Автор: ZHU YUAN, LU SHAOFENG, XIA TIAN
Принадлежит:

The invention relates to the technical field of hard alloy materials, in particular to a new-grade hard alloy for a cold heading die and a preparation process, and the new-grade hard alloy comprises the following raw materials in percentage by mass: 79.25-79.75% of WC powder, 15.75-16.25% of Co powder, 3.75-4.25% of Ni powder and 0.4-0.6% of TaC powder. According to the hard alloy cold heading die material, the defects of an existing hard alloy cold heading die material are overcome, on the premise that the toughness of a cold heading die is guaranteed, higher hardness and abrasion resistance can be obtained, and therefore the using performance and using efficiency of a cold heading die product are improved.

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Номер записи: 20
25-04-2023 дата публикации

Storage battery convenient to access

Номер: CN116014344A
Автор: XIA TIAN, HUANG LI, YANG HONGSONG, WANG LEI, WANG TAO, CHEN GANG, WANG WENHUA, SHEN LISHENG, DING RAN, LI WEIYANG, ZHAO QINGYING, YU JINSONG, SONG QINYE, XIE HUAQUAN, GUAN JIN, YUAN YONG, YIN QIAN, CHEN DINGBIAO, HE JINFENG, FU TONGFU
Принадлежит:

The storage battery comprises a battery assembly, the battery assembly comprises a shell and a top cover, the top cover is fixed to the top of the shell, a power supply part is arranged in the shell, and a positive electrode connector and a negative electrode connector are arranged on the top cover; the positive electrode connector comprises an insulating shell and a contact, the contact is arranged in the insulating shell, and the contact is electrically connected with the power supply piece; according to the invention, the contact head can be protected, and wiring and dismounting are facilitated without relying on other tools.

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Номер записи: 21
25-07-2023 дата публикации

Throttle signal anti-interference transmission system and method for engine test bed

Номер: CN116486589A
Автор: DU CHANGGANG, GAO JIANLI, LIU YANLING, SI ZHICHANG, XIA TIAN, ZHANG GUIYING, WEI YANLI, SHI JINHUA, TAO CHUANJIANG, FU XIAOLONG, WANG ZHIGUO
Принадлежит:

The invention belongs to the technical field of the automobile industry, provides an anti-interference transmission system and method for accelerator signals of an engine test bed, solves the technical problems that long-distance transmission of analog signals easily causes signal attenuation and leads to signal instability, and changes pure analog quantity transmission into analog quantity transmission through modifying an accelerator signal transmission mode. And analog quantity and digital quantity transmission is adopted, so that the defect of signal instability caused by signal attenuation due to analog quantity long-distance transmission can be eliminated. According to the technical scheme, a rack controller transmits an output single-path accelerator analog quantity signal to a first signal transmission module, and the first signal transmission module is used for converting the single-path accelerator analog quantity signal into a single-path accelerator digital quantity signal and ...

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Номер записи: 22
07-04-2023 дата публикации

Battery placing rack convenient for replacing storage battery

Номер: CN115939635A
Автор: XIA TIAN, HUANG LI, YANG HONGSONG, WANG LEI, WANG TAO, CHEN GANG, WANG WENHUA, SHEN LISHENG, DING RAN, LI WEIYANG, ZHAO QINGYING, YU JINSONG, SONG QINYE, XIE HUAQUAN, GUAN JIN, YUAN YONG, YIN QIAN, CHEN DINGBIAO, HE JINFENG, FU TONGFU
Принадлежит:

The invention discloses a battery placement rack convenient for replacing storage batteries, which comprises a support assembly, the support assembly comprises placement racks and support columns, the support columns are arranged at corners of the placement racks to connect the placement racks, through grooves are formed in the support columns, and connecting wires are arranged in the through grooves; the battery packs are arranged in the placing frame, each battery pack is formed by connecting a plurality of single batteries in series, and the battery packs in different layers are connected through connecting wires; the storage battery can be kept clean and tidy, and a single storage battery can be conveniently replaced.

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Номер записи: 23
05-05-2023 дата публикации

Copula photovoltaic output probability interval prediction method improved by adopting Monte Carlo simulation

Номер: CN116073369A
Автор: LI QUNSHAN, CHEN WENZHE, WANG YANG, HUANG MUTAO, GAO SUHUA, ZENG LINGKANG, WEI CONGYING, XIA TIAN
Принадлежит:

The invention provides a Copula photovoltaic output probability interval prediction method improved by Monte Carlo simulation, and the method comprises the steps: carrying out the correlation analysis of a photovoltaic output actual value and a predicted value through employing three types of Archimedes Copula clusters, selecting Gumbel-Copula which has the minimum Euclidean distance with experience Copula as a modeling function, and calculating the joint probability distribution of the Gumbel-Copula and the experience Copula, a large number of samples are created through Monte Carlo simulation for statistical analysis to obtain probability interval estimation of actual output of photovoltaic output under the condition that a future point predicted value is given, and therefore a certain basis is provided for a short-term power generation plan of a clean energy multi-energy complementary system.

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Номер записи: 24
08-08-2023 дата публикации

Rotary machine friction fault detection method based on strain test technology

Номер: CN116558793A
Автор: XIA TIAN, YANG JIANGANG
Принадлежит:

The invention discloses a rotating machine friction fault detection method based on a strain test technology, relates to the technical field of friction fault detection, and solves the technical problem of low identification accuracy of friction faults. The technical scheme is characterized in that the strain test technology is used to convert a bending strain signal into a voltage signal; and the interference of other factors in the vibration signal is avoided. The strain technology is high in precision, extremely small thermal bending deformation can be reflected, and recognition can be carried out when early friction occurs. The bending strain of the rotor in a running state is collected, the variation trend is observed, and when a periodic fluctuation or divergence phenomenon occurs, the occurrence of a friction fault can be judged. Meanwhile, the friction part occurrence range can be roughly judged according to the strain numerical values of different sections, and a diagnosis reference ...

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Номер записи: 25
04-04-2023 дата публикации

Storage battery open-circuit fault on-line monitoring device

Номер: CN115902661A
Автор: HUANG LI, WANG LEI, CHEN GANG, FU TONGFU, XIA TIAN, ZHANG LIBO, HUANG ZHAOTING, DENG GUAN, QIN XI, WANG TAO, NIE XING, YANG FANG, DING HENGHONG, WANG WENHUA, CHEN ZHONGLEI, ZHAO JIWEI, SHEN LISHENG, YU JINSONG, LI WEIYANG
Принадлежит:

The invention discloses a storage battery open-circuit fault on-line monitoring device, which comprises a monitoring module, and is characterized in that the monitoring module comprises a controller assembly, an A/D acquisition assembly, a DC/DC assembly, a communication port and a high-power diode D1; the external interface assembly comprises a battery positive electrode fuse upper end wiring terminal, a storage battery positive electrode cable wiring terminal, a storage battery negative electrode fuse upper end wiring terminal, a first load output wiring terminal and a second load output wiring terminal; and the load module comprises a PCT load assembly, a first cooling fan and a second cooling fan. A detection program is started regularly for a long time, the storage battery is automatically isolated from a charger during detection of the device, the storage battery generates a certain discharge current, and whether the storage battery has an abnormal or open-circuit fault or not is ...

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Номер записи: 26
08-09-2017 дата публикации

With reconfigurable circuit of the heater high temperature furnace

Номер: CN0103851912B
Автор: R·W·沃克, 颜加军, 夏添
Принадлежит:

... 高温炉的核心是用于温度敏感元件（例如热电偶的探头）的测试/校准的细长的中心测试腔。如邻近测试腔至少有三个电加热元件，包括分别邻近测试腔的两端部的两个元件、以及在端部元件之间的中心元件。控制电路管理对加热元件的电力供应，通过周期性配置在工作周期的多个阶段期间元件的互连，维持该腔体中均匀的温度曲线。工作周期包括电流流经中心元件的第阶段、电流连续地流经端部元件的第二阶段、以及第三阶段，在第三阶段中，电流流经端部元件中的个，而且还流经中心元件，而不流经另个端部元件。 ...

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Номер записи: 27
16-06-2023 дата публикации

Motor and manufacturing method of stator core of motor

Номер: CN116264419A
Автор: XIA TIAN, ZHU FALONG, QIU YIMING, SHENG BUYUN
Принадлежит:

The invention discloses a motor and a method for manufacturing a stator core of the motor, and aims to provide the motor which can effectively improve the heat exchange efficiency between cooling liquid and the stator core and inhibit the temperature rise of the motor under the conditions of not polluting the internal environment of the motor and not occupying the space of a stator groove, and the method for manufacturing the stator core of the motor. The motor comprises a stator iron core and a motor cooling loop used for cooling the motor, an iron core cooling hole is formed in the stator iron core, the iron core cooling hole forms a part of the motor cooling loop, and a cooling medium in the motor cooling loop flows through the iron core cooling hole.

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Номер записи: 28
11-04-2023 дата публикации

Centrally installed switchgear contact grounding wire capable of being detachably stored

Номер: CN115954686A
Автор: DENG GUAN, ZHU TAO, TANG FENG, XIA TIAN, WU YUNZI, ZHAO QINGQING, TAN FEI, TAN JIAXIN, RONG XINZHI
Принадлежит:

The invention discloses a centrally installed switchgear contact grounding wire capable of being detachably stored, and the grounding wire comprises a clamping mechanism which comprises a housing, a claw disposed at one side of the housing, a connecting block fixedly disposed at one side of the housing, an insulating rod disposed at one side of the connecting block, a lead screw disposed in the housing, and a clamping mechanism. The clamping device comprises a first gear fixedly arranged on the outer surface of the lead screw, a rack arranged at the top of the first gear and a second gear arranged on one side of the rack, the clamping device can conveniently clamp and loosen a contact and a ground wire, accidents are effectively prevented, and the clamping device can be disassembled, so that the portability is greatly improved; the storage is easy.

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Номер записи: 29
06-06-2023 дата публикации

Data intelligent grading safety monitoring processing platform

Номер: CN116226927A
Автор: XIA TIAN, LIU XINYU, JIANG HAN, CHEN XIAOAN, LIU LONGHUI
Принадлежит:

The invention, which relates to the technical field of data security monitoring, discloses a data intelligent grading security monitoring processing platform comprising a management and control center, a data intelligent classification and grading module, a data security monitoring module and an exception processing module. According to the method, the data content is collected by performing automatic data detection on the database, and the data content is intelligently classified and graded by generating the data category scheme and the data security grading scheme; acquiring connection, execution process and log information of a user to a database, and further generating a behavior record; by configuring disposal strategies of different security levels, automatic disposal is carried out when behavior records reach an abnormal disposal degree, data security risks are reduced in time, existing problem pain points are effectively solved, efficiency is improved, labor cost is reduced, and ...

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Номер записи: 30
15-08-2023 дата публикации

Auxiliary installation equipment for power converter

Номер: CN116588852A
Автор: WANG YONGQIANG, XU HUIWEN, HU CHONGYI, LU YINHONG, XIA TIAN, CHEN ZHONG, WU GUANGYANG, WANG YUNXIAO, LIANG XIAOQIANG, XIAO XINFU, LINGHU CHANGWEI, MU BIAO, WEI JIAWEN, JIN ZHENQIAN, PENG HU, GU HENGWEI, XIE JIN, JIAN BEI, LIU XIU, ZENG CHAOYA, YANG YIFENG
Принадлежит:

The invention discloses auxiliary mounting equipment for a power converter, and the equipment comprises a bearing part; comprising a clamping seat, a bearing disc arranged on the clamping seat and a positioning groove formed in the bearing disc. A lifting member; comprising a hinge seat arranged on the clamping seat, an adjusting assembly arranged on the hinge seat and a sliding assembly arranged on the top of the adjusting assembly. Wherein the adjusting assembly is in sliding connection with the bearing disc through the sliding assembly, the adjusting assembly is used for lifting, the clamping base is clamped with the bottom of the power box through the bearing disc, the power converter is arranged in a positioning groove of the bearing disc, and due to the fact that the sliding piece is in sliding connection with the bearing disc, the scissor rod set can be lifted; the height of the bearing disc is adjusted by rotating the scissor rod set, when the scissor rod set rotates, the top of ...

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Номер записи: 31
16-06-2023 дата публикации

Nuclear power station secondary filter screen main shaft sealing device and method

Номер: CN116263206A
Автор: CHEN KUNCHI, XU QIANG, XIANG XIANBAO, LU HU, HUANG SHUAI, MIN JE-DONG, HOU XIAOYU, ZHENG JIARONG, WANG WEN, GUO JINQIANG, WU TAO, XIA TIAN, SUN HAIFENG, SU MENGMENG, PEI SHILEI
Принадлежит:

The invention relates to the technical field of nuclear power plant maintenance, debugging and operation, in particular to a nuclear power plant secondary filter screen main shaft sealing device and method. The nuclear power station secondary filter screen main shaft sealing device comprises a compressed air system, a first isolation valve, a first pressure reducing valve and a sealing branch which are connected in sequence. The sealing branch comprises a second isolation valve, a second pressure reducing valve, an oil tank device, a third isolation valve and a secondary filter screen main shaft sealing connector which are sequentially connected through pipelines. The sealing method comprises the steps that the secondary filter screen main shaft is operated, when the secondary filter screen main shaft sealing device is operated, the first isolation valve, the second isolation valve and the third isolation valve are all in an open state, and meanwhile the pressure of the oil tank device ...

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Номер записи: 32
15-08-2023 дата публикации

Target tracking method and device based on online sample augmentation

Номер: CN116596958A
Автор: RAN HUANHUAN, ZHAO RUIXIN, LI YIJIE, CHEN CHUN, LI DONGCHEN, LI FEITAO, LEE HWA-YOON, CHEN YI, WANG DAN, CHU JUNBO, DONG PINGKAI, CHEN WEIDONG, YANG WEI, XIA TIAN, ZHAO WENJIE
Принадлежит:

The invention discloses a target tracking method and device based on online sample augmentation, and relates to the technical field of target tracking, and the method comprises the steps: obtaining a video frame, carrying out the target detection of the video frame, and obtaining a plurality of similar targets and a selected tracking target; augmenting the number of the detected target samples to form an authenticity target database; extracting ResNet50 features of each data in the authenticity database to obtain a feature library; reading a next frame, extracting ResNet50 features in a target neighborhood range, matching the ResNet50 features with the feature library, taking the current features as tracking results if matching succeeds, and updating the feature library, otherwise, executing the next step; and detecting the tracking target in the current frame, extracting the ResNet50 feature in the ROI of the tracking target, matching the ResNet50 feature with the feature library again ...

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Номер записи: 33
02-05-2023 дата публикации

Off-line test platform for low-voltage AC/DC power supply equipment

Номер: CN116047347A
Автор: HUANG LI, WANG LEI, CHEN GANG, FU TONGFU, XIA TIAN, ZHANG LIBO, HUANG ZHAOTING, DENG GUAN, QIN XI, WANG TAO, NIE XING, YANG FANG, DING HENGHONG, WANG WENHUA, CHEN ZHONGLEI, ZHAO JIWEI, SHEN LISHENG, YU JINSONG, LI WEIYANG
Принадлежит:

The invention discloses an off-line test platform for low-voltage AC/DC power supply equipment. The off-line test platform comprises a three-phase power supply voltage regulation module, a DC adjustable power supply module, an adjustable load module and a communication debugging test host, the input and output interface is connected with external test equipment, and the connecting line and the plug are suitable for equipment interfaces of different manufacturers. The three-phase power supply voltage regulation module is electrically connected with the DC adjustable power supply module, and the DC adjustable power supply module is electrically connected with the communication debugging test host. The integrated low-voltage AC/DC power supply equipment off-line test platform is arranged to perform off-line test on equipment such as a charging module, a UPS inversion module, an acquisition measurement and control module, a central monitor, an insulation monitor and the like, and the maintained ...

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Номер записи: 34