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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 53. Отображено 53.
30-05-2023 дата публикации

Zero-energy-consumption long-endurance 0 DEG C outdoor blood refrigerating box

Номер: CN116182448A
Автор: LIU DAOLI, CAO YANG, YE JISHI
Принадлежит:

The invention discloses a zero-energy-consumption long-endurance 0 DEG C outdoor blood refrigerated container which comprises a solar cell panel, an ice making system, an ice storage chamber, a water tank body and a blood storage chamber, the solar cell panel is arranged on the back face of the water tank body, the ice making system is located above the ice storage chamber, the ice storage chamber is connected with the water tank body, and the blood storage chamber is located in the water tank body. Existing electric power and solar energy are adopted for supplying power, and solar energy is applied to the blood refrigerating box, so that the blood refrigerating box can work outdoors for a long time, the phenomenon that blood is unfrozen or cooled after being unfrozen cannot occur, and a guarantee is provided for field rescue; broken ice blocks can fall into the water tank body to form an ice-water mixture, and the temperature of the tank body is always kept at 0 DEG C by means of a vacuum ...

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Номер записи: 1
18-07-2023 дата публикации

Switching device

Номер: CN116453881A
Автор: LI JUNYAN, QIU YINGPING, CAO YANG, FAN YONGGANG
Принадлежит:

The invention discloses a switching device, which comprises an insulating shell, a driving part and an access controller, the driving part comprises an eccentric wheel, a push rod and a return spring, the eccentric wheel is rotatably arranged in an accommodating cavity of the insulating shell, a driven end of the push rod is drivably connected to the eccentric wheel, the return spring is sleeved on the push rod, and the push rod is driven by the return spring. One end of the closed circuit control part abuts against the driven end of the push rod, the other end of the closed circuit control part is kept unchanged relative to the insulating shell, the closed circuit control part comprises two static connectors and a dynamic connector, the two static connectors are adjacently arranged in the insulating shell, one end of the closed circuit control part extends to the containing cavity of the insulating shell to form a static contact, and the other end of the closed circuit control part extends ...

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Номер записи: 2
18-08-2023 дата публикации

Image exposure correction lossless lifting method based on decoupling and aggregation convolution

Номер: CN116612042A
Автор: ZHA ZHENGJUN, WANG YANG, CAO YANG, PENG LONG
Принадлежит:

The invention discloses an image exposure correction lossless lifting method based on decoupling and aggregation convolution. The image exposure correction lossless lifting method is a novel convolution unit involved by comprehensively considering image contrast and detail features. The method comprises the following steps: 1, a contrast perception decoupling unit branch improves the contrast statistical characteristic perception capability of a network; 2, a detail perception decoupling unit branch improves the detail characteristic perception capability of the network; and 3, a mixing unit branch performs weighted mixing on detail and contrast perception characteristics. According to the method, the detail and contrast perception capability based on the convolutional neural network can be improved, so that the image exposure correction effect can be improved in a lossless manner.

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Номер записи: 3
29-06-2016 дата публикации

Modular flood prevention prefabricated section

Номер: CN0205348100U
Автор: FU DONGWANG, CHEN DAN, GAO JIAN, CAO YANG, HE SHIQIANG, YAO LU, QIU CHUNLIE
Принадлежит:

... 本实用新型一种组合式防汛预制块，涉及堤防决口封堵抢险中新型防汛堵口块的技术领域。一种组合式防汛预制块，包括多个预制块单元，每个预制块单元的本体上设有预埋于块体内的联结扣环，多个所述预制块单元，两两之间通过所述联结扣环及扣环件联结固定成大块构件；工字钢，所述工字钢的一侧沿工字钢轴向依次等距离的间隔设有多个吊钩，所述吊钩用于与所述预制块单元上的吊环相勾连，工字钢另一侧上设有起吊环，所述起吊环用于与起重机连接。本实用新型一种组合式防汛预制块，在满足防汛材料护底、堵口等基本功能的前提下，既能方便预制生产、存储、运输，又能提高抢险效率。 ...

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Номер записи: 4
07-04-2023 дата публикации

Kit for detecting Siglec fusion mutant gene and GBS pathogenic gene and detection method thereof

Номер: CN115927586A
Автор: CAO YANG, WANG DAWEI, FENG HUIJUN, ZENG ZHEN, ZHANG LEI, WANG YAN, LIAO QINPING
Принадлежит:

The invention provides a kit for detecting Siglecc fusion mutant gene and GBS pathogenic gene and a detection method thereof, which are used for rapid joint detection of premature delivery susceptibility gene Siglec5/14 fusion mutation and GBS pathogenic gene, and can effectively assess gynecological genital tract infection, premature delivery of pregnant and lying-in women and newborn infection risk. The problems that an existing kit only detects pathogenic bacteria under the condition and is poor in disease association specificity are solved, the kit is used for detection more rapidly and sensitively, the whole detection process is closed, extra operation of electrophoresis distinguishing is avoided, the cost is low, and popularization is convenient.

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Номер записи: 5
02-05-2023 дата публикации

Intelligent multi-point lifting construction scheme determination method and system

Номер: CN116044175A
Автор: WANG CHENG, WU XIN, SONG JUNXI, ZOU QINGXUN, PENG KEHUI, PENG RUI, CAO YANG
Принадлежит:

The invention discloses an intelligent multi-point lifting construction scheme determination method. The method comprises the steps that S1, a main body structure and the number of structure lifting points for the main body structure are determined; in the embodiment, the main body structure is located at the truss position; s2, determining working condition arrangement schemes of all the lifting points, and determining a plurality of alternative schemes based on the axial force values of the lifting cables corresponding to the lifting points; s3, calculating stress related parameters of the main body structure under the alternative working condition i; s4, constructing an objective function based on the stress-related parameters; and S5, determining a multi-point lifting construction scheme based on the minimization of the objective function. The invention further discloses a corresponding system, electronic equipment and a computer readable storage medium, the maximum stress of the main ...

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Номер записи: 6
30-01-2020 дата публикации

METHOD FOR PREDICTING REASON FOR EMPLOYEE RESIGNATION AND RELATED DEVICE

Номер: WO2020019489A1
Автор: YANG, Dongyan, QIN, Wei, WANG, Zhihao, CAO, Yang, DONG, Xiaoqiong, LIU, Yujie, FU, Guangji, WANG, Zheng
Принадлежит:

Disclosed are a method for predicting the reason for employee resignation and a related device. The method comprises: determining a resignation attribute entry for use in employee resignation early warning; acquiring target employee attribute data corresponding to the resignation attribute entry in employee data of a target employee; constructing a target employee attribute characteristic on the basis of the target employee attribute data, inputting the target employee attribute characteristic into an employee resignation early warning model; determining, on the basis of the employee resignation model, the reason for the resignation of the target employee corresponding to the target employee attribute characteristic. The employment of the embodiments of the present application allows the prediction of the reason for employee resignation, reduces human resource costs for employee management, increases the retention success probability for employee resignation, reduces losses brought forth ...

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Номер записи: 7
23-06-2023 дата публикации

Liquid band-aid containing black phosphorus nanosheet component and preparation method of liquid band-aid

Номер: CN116271205A
Автор: LIN XIAOCHENG, WANG ZIYI, ZHANG JIN, YANG HUANGHAO, RUAN RENJIE, GONG CHENCHI, CAO YANG
Принадлежит:

The invention provides a liquid band-aid containing a black phosphorus nanosheet component and a preparation method of the liquid band-aid. The liquid band-aid comprises a film-forming substance, a solvent, an adhesion promoter, a local anesthetic, an antibacterial agent, an anti-inflammatory agent, a humectant and an aromatic. According to the liquid band-aid, the nano-knife effect of the layered edge structure of the black phosphorus nanosheet is utilized, the black phosphorus nanosheet serves as an antibacterial component of the liquid band-aid, the physical antibacterial characteristic of the black phosphorus nanosheet is fully played, efficient bacteriostasis and sterilization are achieved, meanwhile, due to the degradability and high biocompatibility of the black phosphorus nanosheet, the liquid band-aid can be used for preparing the antibacterial liquid band-aid, and the antibacterial liquid band-aid can be used for preparing the antibacterial liquid band-aid. And the harm to a human ...

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Номер записи: 8
11-07-2023 дата публикации

Code rate allocation method and device, storage method and device, equipment and storage medium

Номер: CN116419016A
Автор: YU YIFANG, HUA XINHAI, CAO YANG, LEE KEUN-HEE, ZHU JIAXIN, JIANG TAO
Принадлежит:

The invention discloses a code rate allocation method and device, a storage method and device, equipment and a storage medium, target video data is acquired, the target video data comprises the watching probabilities of all video clips in a target transmission video, and the introduction of the watching probabilities is beneficial to improving the watching quality of a user; carrying out code rate distribution on the video clips according to the watching probability so as to enable the total utility of the target transmission video to meet a target value; the total utility of the target transmission video is determined according to the user watching quality and the transmission loss of the video clip, the user watching quality is determined according to a non-freshness factor, and the non-freshness factor is determined according to the storage state and the watching probability of the video clip at the edge node; and when the total utility of the target transmission video meets the target ...

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Номер записи: 9
05-05-2023 дата публикации

Wall with multiple cavity layers and construction method thereof

Номер: CN116065721A
Автор: MAO JINSHENG, YIN BOYUE, FANG CHENG, ZHANG CHUNLIN, YUAN JIANFENG, LIN KENRUI, LIN XIAOBIN, TONG HUIPING, SHI ZHONGHUA, CAO YANG
Принадлежит:

The invention provides a wall body with a plurality of cavity layers. The wall body comprises a cavity plate, a wall plate, a wall body and a connecting component; the wallboards comprise outer wallboards, inner wallboards and/or foaming baffles; the cavity plates are connected with the wall plates and the wall body through the connecting components between the inner wall plate and the outer wall plate, so that a plurality of cavity layers are formed; the connecting component comprises a penetrating rod and a sleeve rod, the sleeve rod is provided with a through hole, and the diameter of the through hole is matched with the diameter of the inner thread of the penetrating rod and the diameter of the flat head screw so that the gasket, the nut and the sleeve rod can be screwed in and fastened. The invention further provides a method for constructing the wall with the multiple cavity layers.

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Номер записи: 10
15-08-2023 дата публикации

Directional drilling machine power head and drilling machine

Номер: CN116591605A
Автор: YANG MING, NIU XIAOBO, LI MING, YAN ZHIXIA, ZHAO HONGHONG, LI SHUYA, WANG YU, CAO YANG
Принадлежит:

The invention discloses a directional drilling machine power head which comprises a rotary driving assembly, a push-pull driving assembly, a locking assembly and a drill rod. A hydraulic chuck in the rotary driving assembly is axially and fixedly connected with a main shaft, and a drill rod penetrates through the main shaft and the hydraulic chuck and can be clamped and fixed by the hydraulic chuck; the driving motor transmits torque through the gear set; the rotary driving assembly and the locking assembly are mounted on the sliding base; in the push-pull driving assembly, a movable base is slidably connected with a guide rail, and the guide rail is axially parallel to the main shaft and fixedly installed on the drilling frame. The push-pull driving hydraulic cylinder drives the movable base to slide along the guide rail; in the locking assembly, clamping oil cylinders are installed on the two sides of a support respectively, a clamping hole is formed in the support, clamping blocks are ...

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Номер записи: 11
23-06-2023 дата публикации

Ground water mark identification method and device, computer equipment and storage medium

Номер: CN116309824A
Автор: CAO YANG, HU CHUNQUAN, ZHU JUN
Принадлежит:

The invention relates to a ground water mark identification method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring to-be-identified infrared heat map data and reference heat map data; marking in the benchmark heat map data to obtain a benchmark reference area, a first temperature reference point and a plurality of feature mark points; determining a to-be-identified area in the infrared thermal image data and a position conversion relation between the infrared thermal image data and the reference thermal image data according to each feature mark point and the reference reference area; determining a second temperature reference point corresponding to the first temperature reference point in the infrared thermogram data according to the position conversion relation and the first temperature reference point; determining a temperature correction value according to the first temperature reference point and the second temperature reference ...

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Номер записи: 12
30-05-2023 дата публикации

Atmospheric pollution interpretability prediction method based on multi-factor optimization

Номер: CN116187536A
Автор: HEO JIN-EUI, PAN KAI, KANG YU, CAO YANG, CHENG FAN
Принадлежит:

The invention relates to the field of data mining and artificial intelligence, and discloses an atmospheric pollution interpretability prediction method based on multi-factor optimization, and the method employs a genetic algorithm to optimize the weight of multi-source external environment monitoring variables, thereby constructing the importance order of different external variables. And inputting the data into the multi-head attention sequential network to realize interpretable prediction of atmospheric pollution change. In addition, two operators are provided in the genetic algorithm to respectively solve the problems that refined exploration cannot be carried out on elite variables and information of the last generation cannot be more effectively stored. According to the method, a better prediction result is obtained in prediction of a plurality of atmospheric pollution detection stations.

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Номер записи: 13
30-01-2020 дата публикации

STAFF DEMISSION WARNING METHOD AND RELATED DEVICES

Номер: WO2020019488A1
Автор: WANG, Zhihao, YANG, Dongyan, CAO, Yang, QIN, Wei, DONG, Xiaoqiong, LIU, Yujie, FU, Guangji, WANG, Zheng
Принадлежит:

A staff demission warning method and device. The staff demission warning method comprises: determining a demission attribute entry for staff demission warning (S1); obtaining leaving staff sample data corresponding to the demission attribute entry, and constructing a staff demission warning model according to the leaving staff sample data (S2); obtaining target staff attribute data corresponding to the demission attribute entry in staff data of a target staff, and inputting the target staff attribute data into the staff demission warning model (S3); and determining target demission dealing information corresponding to the target staff attribute data on the basis of the staff demission warning model (S4), the target demission dealing information being used for warning the demission of the target staff. The staff demission warning method and device can predict the staff demission dealing information, reduce human resource costs of staff management, improve the retention success rate of staff ...

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Номер записи: 14
27-02-2020 дата публикации

RISK CONTROL STRATEGY DETERMINING METHOD BASED ON PREDICTIVE MODEL, AND RELATED DEVICE

Номер: WO2020037918A1
Автор: WANG, Zhihao, YANG, Dongyan, LIU, Yujie, DONG, Xiaoqiong, CAO, Yang, QIN, Wei
Принадлежит:

A risk control strategy determining method and device based on a predictive model. The method comprises: obtaining first user data, and determining a target service associated with the first user data (S21); determining, according to the target service type of the target service, a target risk decision-making rule generation model associated with the target service (S22); generating target risk decision-making rules corresponding to the first user data on the basis of the target risk decision-making rule generation model (S23); and determining a target risk control strategy for risk control of the target service according to the first user data and the target risk decision-making rules (S24). The method may enhance the association between the risk control strategy determined on the basis of machine learning and user service data, and improve the reliability of the risk control strategy and widen the applicability thereof.

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Номер записи: 15
06-08-2020 дата публикации

SCREW ROD TYPE ELEVATOR DAMPING RAIL CLAMPING DEVICE

Номер: WO2020155442A1
Автор: CAO, Wenyin, CAO, Yang, CAO, Zhong, MAO, Yigen, ZHANG, Yueming, CHENG, Ping, LIU, Xiaorong
Принадлежит:

Disclosed is a screw rod type elevator damping rail clamping device, comprising a rail clamping device shell (100), a clamping mechanism (200), a transmission mechanism (300), a driving mechanism (400), a limit switch (500), and a control circuit board (600), wherein the rail clamping device shell (100) comprises a groove shape bending plate (101); the middle of a front side plate (104) of the groove shape bending plate (101) is provided with two symmetrical rectangular through hole slide ways; the clamping mechanism (200) comprises two clamping guide blocks (201, 202); the transmission mechanism (300) can drive the two clamping guide blocks (201, 202) to horizontally move in the two rectangular through hole slide ways; the driving mechanism (400) is fixedly arranged on the back face of the front side plate (104) by means of a supporting seat; the driving mechanism (400) is in transmission connection with the transmission mechanism (300); and the limit switch (500) is arranged above the ...

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Номер записи: 16
04-04-2023 дата публикации

High-speed multichannel video information acquisition equipment

Номер: CN115914797A
Автор: CHEN JINBIAO, CAO YANG
Принадлежит:

The invention discloses a high-speed multichannel video information acquisition device, and relates to the technical field of information acquisition. The high-speed multi-channel video information acquisition equipment comprises a reinforced shell and a camera body installed in the reinforced shell, a multi-channel acquisition system is installed in the reinforced shell, a protection mechanism is installed on the outer side surface of the reinforced shell on the outer side of the camera body, and the protection mechanism is used for enhancing the safety performance of the camera body. A control system is installed on the surface of the top end of the reinforcing shell and used for controlling opening and closing of the protection mechanism. According to the invention, the video boundary division module performs overlapping processing on the three sharpened video images, the boundary lines are divided according to the overlapping boundaries, the video images with the divided boundary lines ...

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Номер записи: 17
23-05-2023 дата публикации

SMT defect detection method and system

Номер: CN116152244A
Автор: HEO JIN-EUI, KANG YU, BAI PENG, CAO YANG, HU FENG
Принадлежит:

The invention relates to the technical field of defect detection, and discloses an SMT defect detection method and system, and the method comprises the steps: carrying out the defect detection of a to-be-detected image of a patch element through a defect detection model, and obtaining a defect detection result; the training process of the defect detection model comprises the following steps: forming a patch element sample by using a template image of the patch element and an image to be detected; the patch element samples are input into two identical encoder networks to obtain depth features, and then semantic difference mapping features are obtained; after the semantic difference mapping features and the depth features are fused, the obtained fused features are sent to a decoder network for defect segmentation, and a defect detection result is obtained; training the defect detection model through the loss function; according to the method, representation characteristics and statistical ...

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Номер записи: 18
01-08-2023 дата публикации

Hydrological long-term monitoring system suitable for karst peak cluster depression

Номер: CN116518943A
Автор: CAO YANG, ZHAO WEIQUAN, ZHANG LIMIN, ZHANG CHENGFU, CAI GUOJUN, ZHANG SUNJIAN
Принадлежит:

The invention discloses a hydrological long-term monitoring system suitable for karst peak cluster depression, and belongs to the technical field of environmental hydrological monitoring. The system comprises a slope surface runoff monitoring system surrounding a depression peripheral peak cluster and a depression monitoring system located at a bottom depression position. The slope surface runoff monitoring system comprises a plurality of water collecting areas arranged at the slope top, the slope middle and the slope bottom. A water level gauge used for detecting the slope runoff production condition is arranged on each water collecting area; the depression monitoring system comprises a water blocking ditch arranged at the edge of the depression; a reservoir is arranged in the area, located on the inner side of the water blocking ditch, of the middle of the depression, the reservoir communicates with the water blocking ditch through a water guide pipe, and a flow velocity meter is installed ...

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Номер записи: 19
22-08-2023 дата публикации

Heavy-duty diesel engine key component with Ni3Al-based alloy strengthened layer and preparation method of heavy-duty diesel engine key component

Номер: CN116623172A
Автор: ZHAO LIN, PENG YUN, HAN WEI, MA CHENGYONG, ZHU YANJIE, TIAN ZHILING, CAO YANG, LI CHANGHAI
Принадлежит:

The invention discloses a heavy-duty diesel engine key component with a Ni3Al-based alloy strengthened layer and a preparation method, and belongs to the technical field of laser processing materials. According to the air valve with the Ni3Al-based alloy strengthened layer, the annular groove is formed in the conical surface of the air valve, the Ni3Al-based alloy strengthened layer is arranged in the groove, the strengthened layer comprises a Ni3Al phase, a NiAl phase and carbides, the carbides comprise Cr7C3 and are distributed in the Ni3Al phase in a dispersed mode, the mass content of the NiAl phase is 1.5%-6.5%, and the mass content of the Cr7C3 is 15%-26%. The Ni3Al-based alloy strengthening layer is arranged on the conical surface of the air valve, so that the high-temperature friction resistance and oxidation resistance of the air valve are improved, abrasion is reduced, the service life is prolonged, and the requirement for the surface performance of key components of a heavy-duty ...

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Номер записи: 20
30-06-2023 дата публикации

Multifunctional outdoor elevator assembly type light steel frame structure

Номер: CN116357042A
Автор: MAO JINSHENG, YIN BOYUE, FANG CHENG, ZHANG CHUNLIN, LIN XIAOBIN, YUAN JIANFENG, HE YOURU, LIN KENRUI, SHI ZHONGHUA, TONG HUIPING, CAO YANG
Принадлежит:

The invention provides a multifunctional outdoor elevator assembly type light steel frame structure. The multifunctional outdoor elevator assembly type light steel frame structure comprises a main frame, an elevator shaft peripheral platform, a platform guardrail, a platform bridge guardrail, a functional device and assembly parts of firefighting pipeline equipment. The main frame comprises a first-layer bottom frame, a first-layer elevated frame, a plurality of middle floor frames, a top-layer frame, an elevator shaft, a connecting part leading to a shaft door and an overbridge; the overpass comprises three passages: the first passage on the right side is an overpass floor fire-fighting workstation, the second passage in the middle is an overpass pedestrian passage, and the third passage on the left side is an overpass floor rest room; the elevator shaft is used for placing an elevator assembly; and the connecting part leading to the shaft door is connected between the elevator shaft and ...

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Номер записи: 21
18-04-2023 дата публикации

Heavy-duty diesel vehicle emission correction method based on historical time-frequency information

Номер: CN115982559A
Автор: HEO JIN-EUI, WANG RUIBIN, KANG YU, CAO YANG
Принадлежит:

The invention discloses a heavy diesel vehicle emission correction method based on historical time-frequency information. The method comprises the steps that an OBD data set is acquired and preprocessed; dividing the OBD data set to obtain a plurality of driving segments, and calculating corresponding emission factors for the effective driving segments; on the basis of Spearman correlation analysis, obtaining a monitoring variable which is highly correlated with the emission factor; combining the obtained high-correlation monitoring variables with emission factors obtained based on a COPERT model to construct a historical information matrix, and converting the historical information matrix of the corresponding emission factors into a time-frequency matrix by using continuous wavelet transform; constructing a double-flow network model combined by ResNet50 and CBAM attention modules, and using a historical information matrix and a time-frequency matrix of a corresponding emission factor as ...

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Номер записи: 22
09-05-2023 дата публикации

VOCs gas detection method, device and equipment and computer readable storage medium

Номер: CN116091491A
Автор: KANG YU, PANG XIANYANG, XIA XIUSHAN, HEO JIN-EUI, CAO YANG
Принадлежит:

The invention discloses a VOCs gas detection method, device and equipment and a computer readable storage medium, and belongs to the technical field of environment monitoring. The method comprises the following steps: screening a key video frame from an original infrared video containing VOCs gas leakage, obtaining a label frame and an experiment frame according to the key video frame, training an enhancement model based on the key video frame, the label frame and the experiment frame, obtaining an enhanced infrared video through the trained enhancement model, and further, obtaining an enhanced infrared video through the enhanced infrared video. And training a detection model on the basis of the enhanced infrared video and the annotation information corresponding to the enhanced infrared video, and detecting the VOCs gas by the detection model on the basis of the time characteristics and the space characteristics, so that VOCs gas detection can be performed on the to-be-detected video containing ...

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Номер записи: 23
27-08-2021 дата публикации

Device for measuring rotating speed of motorcycle wheel in electromagnetic radiation environment

Номер: CN214067192U
Автор: CAO YANG, BIAN MINGYANG, 曹洋, 边明阳
Принадлежит: TIANJIN INTERNAL COMBUSTION ENGINE RES INSTITUTE TIANJIN MOTORCYCLE TECHNICAL CENTER, TIANJIN INTERNAL COMBUSTION ENGINE RESEARCH INSTITUTE (TIANJIN MOTORCYCLE TECHNICAL CENTER), 天津内燃机研究所（天津摩托车技术中心）

The utility model provides a device for measuring the rotating speed of a motorcycle wheel in an electromagnetic radiation environment, which comprises a pneumatic motor, an air pressure adjusting device and a turntable, the air pressure adjusting device is connected with the pneumatic motor, the pneumatic motor is connected with the turntable, a wheel fixing device is arranged on the turntable, and an encoder is arranged on the turntable. The motorcycle wheel clamping device has the advantages that the first sliding plate and the second sliding plate slide on the first guide rail and the second guide rail respectively, so that the first baffle and the second baffle are driven to move to clamp and fix motorcycle wheels; the first fastening device, the second fastening device and the clamping device are alternately arranged on the edge of the rotating disc, and the wheel is fixed in a clamping fixing mode and a fastening belt winding fixing mode. According to the utility model, the wheel ...

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Номер записи: 24
30-05-2023 дата публикации

Horizontal well development-oriented well-to-seismic joint high-precision and high-speed field building method

Номер: CN116184493A
Автор: LI XIAOTIAN, WANG XIAOHUI, ZHOU DONGYAN, LIN YU, CAO YANG, ZHANG XUECHUN
Принадлежит:

The invention discloses a horizontal well development-oriented well-seismic combined high-precision speed field building method, which comprises the following steps of: firstly, on the basis of small-layer fine structure interpretation under sequence stratigraphic constraint, effectively solving the technical problems of low longitudinal resolution of a speed field and inter-well modeling in a conventional method through speed simulation under seismic constraint; establishing a middle-deep layer high-precision velocity field; secondly, establishing a near-surface velocity field by utilizing a velocity spectrum after well calibration aiming at the problem of shallow velocity curve missing; effectively fusing the superficial layer velocity field and the middle-deep layer velocity field by adopting a self-adaptive optimal value selection algorithm to form a complete high-precision velocity field three-dimensional model; and finally, continuously correcting the speed model by adopting a marker ...

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Номер записи: 25
30-06-2023 дата публикации

Structural transient thermal strain simulation method and system based on thermal expansion coefficient

Номер: CN116362065A
Автор: WANG CHENG, WU XIN, SONG JUNXI, ZOU QINGXUN, PENG KEHUI, PENG RUI, CAO YANG
Принадлежит:

The invention discloses a structure transient thermal strain simulation method and system based on a thermal expansion coefficient, and the method comprises the steps: S1, determining the heating condition of a structure, determining a plurality of typical sections of the structure, carrying out the unit division of the structure for each typical section, obtaining unit temperature field distribution and a temperature rise time sequence of the structural section at the starting moment based on the heating condition and unit division; s2, determining the thermal expansion coefficient of the structure, and obtaining the unit thermal strain and thermal stress of the section at the starting moment based on the thermal expansion coefficient; s3, determining the temperature field distribution of the same cross section of the structure at the t moment; s4, determining the average thermal expansion coefficient corresponding to the transient thermal strain based on the thermal expansion coefficient ...

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Номер записи: 26
04-04-2023 дата публикации

Inertial navigation-based blasting ore rock motion trail acquisition method and system

Номер: CN115900693A
Автор: MA LIANCHENG, XU LIANSHENG, YANG YU, PAN PENGFEI, HU ZHENTAO, LU ZHANGUO, WU XIUYI, CAO YANG, LIU XIAOBO, ZHANG XINGKAI
Принадлежит:

The invention provides a blasting ore rock movement track acquisition method and system based on inertial navigation. The method comprises the following steps: acquiring movement data in an ore rock blasting process by utilizing a small sensitive inertial navigation sensor; acquiring attitude data of the simulated ore rock in real time; and carrying out data transmission by using a data remote wireless transmission method, and resolving the motion trail of the inertial navigation sensor by using an inertial navigation attitude resolving algorithm to generate the motion trail of the inertial navigation sensor. The inertial navigation sensor can accurately collect motion data of the inertial navigation sensor during field blasting in real time, can obtain a complete motion trail, is not limited by field conditions, and can provide complete blasting ore rock motion data, so that the technical problem that the accurate and complete blasting ore rock motion trail is difficult to obtain in the ...

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Номер записи: 27
04-04-2023 дата публикации

Storage and recovery method of electric energy pulse mantissa

Номер: CN115904244A
Автор: ZHANG ZHENGXIN, CAO YANG, ZHANG BIN, FEI FEI, CHEN FEI, XU XIAOXING
Принадлежит:

The invention discloses an electric energy pulse mantissa storage and recovery method, which comprises the following steps of: starting to power on an electric meter, starting to meter by a metering chip according to different load currents, and generating pulse signals with different frequencies; when the electric meter is powered on, verification and restoration are carried out through a preset pulse mantissa verification and restoration module, and the successfully restored pulse mantissa is updated to an electric quantity pulse mantissa PulseInt variable; when the electric quantity pulse mantissa variable PulseInt is greater than a preset pulse constant or other switching exists, once electric quantity storage is carried out immediately; when the accumulated electric quantity pulse after the table is powered on meets the storage condition, a preset electric quantity mantissa pulse storage module is called, the storage address of the electric quantity mantissa in the FLASH storage device ...

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Номер записи: 28
25-04-2023 дата публикации

Residual stress influence analysis and simulation method and system based on elastic modulus reduction

Номер: CN116011199A
Автор: WANG CHENG, WU XIN, SONG JUNXI, ZOU QINGXUN, PENG KEHUI, PENG RUI, CAO YANG
Принадлежит:

The invention discloses a residual stress influence analysis and simulation method and system based on elastic modulus reduction. The method comprises the following steps: carrying out thermal analysis to obtain temperature field distribution of a component and a change process of a temperature field in a welding process; the temperature field distribution of the component in the welding process and the change process of the temperature field serve as body loads of mechanical analysis and are applied to the component to obtain a welding residual stress field; forming a welding residual stress field of the integral structure based on the welding residual stress distribution of the typical component; based on the characteristics of welding residual stress distribution, the cross section of the selected typical component is divided into different sub-areas, and elastic modulus reduction distribution of the overall structure is obtained based on the different sub-areas; and adjusting the yield ...

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Номер записи: 29
17-08-2021 дата публикации

Intelligent ordered charging system and method based on edge computing

Номер: CN113263938A
Автор: HUANG CHANGBAO, CAO YANG, LIU HUI, WANG YOUXIANG, WANG CHAO, WANG GUANHE, LI YUNFENG, ZHENG YINGGANG, JIN SHAN, ZHANG LILI, HAN YONGLU, CHENG DONG, KONG XIANGLAI, 黄昌宝, 曹洋, 刘辉, 王有祥, 王超, 王冠鹤, 李云峰, 郑英刚, 金闪, 张莉莉, 韩永路, 程东, 孔祥来
Принадлежит:

The invention discloses an intelligent ordered charging system and method based on edge computing. The method comprises the steps that an intelligent charging management platform layer achieves data collection and real-time control of an ordered access equipment terminal layer through an edge control gateway layer, and achieves the whole-process interaction of an ordered charging demand and a charging order; the uplink of the edge control gateway layer interacts with the intelligent charging management platform layer, and the downlink of the edge control gateway layer communicates with a transformer area management platform to obtain transformer area operation state information, and communicates with the orderly access equipment terminal layer to obtain orderly access terminal equipment operation information; an intelligent ordered charging strategy is generated, the intelligent ordered charging strategy is issued to the ordered access equipment terminal layer for execution, and the intelligent ...

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Номер записи: 30
14-04-2023 дата публикации

Regional road network exhaust emission data complementation method

Номер: CN115964621A
Автор: KANG YU, LIU WENQING, DING YAN, CAO YANG, ZHANG YUJUN, YIN HANG, PEI LIHONG
Принадлежит:

The invention discloses a regional road network tail gas emission data completion method, which comprises the following steps: inputting a road network dynamic tail gas emission time sequence and a binary mask into a space-time encoder for space-time encoding to obtain a space-time encoding feature sequence of tail gas emission in a road network; performing clustering processing on the space-time coding feature sequence of the exhaust emission in the road network to obtain a clustering distribution result; based on a clustering distribution result, calculating high space-time similarity of dynamic exhaust emission in the road network; clustering the clustering distribution results into a plurality of clusters based on high spatial-temporal similarity, and performing linear interpolation by adopting similar spatial-temporal characteristics in the same cluster to obtain initialized road network exhaust emission data; performing interpolation refinement on the initialized road network tail ...

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Номер записи: 31
27-08-2021 дата публикации

Motorcycle pedal and passenger armrest testing device

Номер: CN214066491U
Автор: CAO YANG, CHAI JUNJIE, 曹洋, 柴俊杰
Принадлежит: TIANJIN INTERNAL COMBUSTION ENGINE RES INSTITUTE TIANJIN MOTORCYCLE TECHNICAL CENTER, TIANJIN INTERNAL COMBUSTION ENGINE RESEARCH INSTITUTE (TIANJIN MOTORCYCLE TECHNICAL CENTER), 天津内燃机研究所（天津摩托车技术中心）

The utility model relates to a motorcycle pedal and passenger armrest testing device which comprises wheel clamping mechanisms, the two wheel clamping mechanisms are fixed on a working table to respectively clamp two wheels of a motorcycle, a wear-resisting plate is detachably fixed at the center of the working table, the top surface of the wear-resisting plate is flush with the top surface of the working table, and the wear-resisting plate is detachably fixed on the working table. The wheel clamping mechanism comprises a wheel pressing assembly and two clamping and fixing mechanisms. Through the arrangement of clamping and fixing, a wheel of a motorcycle can be clamped between the two clamping plates to be clamped and fixed, transverse displacement of the motorcycle is limited, the motorcycle does not topple over, the wheel pressing assembly can press a wheel hub in the vertical direction to press tightly, vertical displacement of the wheel is limited, the motorcycle can be automatically ...

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Номер записи: 32
23-06-2023 дата публикации

PCB defect detection method and system based on multi-task learning mechanism

Номер: CN116309434A
Автор: HEO JIN-EUI, FANG MINGLIANG, CAO YANG, KANG YU, ZHAO YUNBO
Принадлежит:

The invention relates to the technical field of industrial quality inspection, and discloses a PCB defect detection method based on a multi-task learning mechanism, and the method comprises the steps: inputting a defect image into a PCB defect detection model, and obtaining a defect region corresponding to the defect image; the training method of the PCB defect detection model comprises the following steps: after acquiring a defect image, carrying out data preprocessing to obtain a defect sample data set; the types of the defects in the defect image comprise offset defects and missing part defects; constructing a PCB defect detection model based on a U-Net structure; respectively setting loss functions for an offset defect detection task, a missing part defect detection task and a dichotomy defect detection task, and setting different weights for the loss function of each task in a parameter search mode; the information complementarity between tasks can be utilized, the over-fitting risk ...

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Номер записи: 33
11-08-2023 дата публикации

Optical fiber defense network device

Номер: CN116575388A
Автор: FAN YONGGANG, LI JUNYAN, CAO YANG
Принадлежит:

The invention discloses an optical fiber defense net device, and relates to the field of water area defense, the optical fiber defense net device comprises a control unit, a net body unit and more than two buoyancy units, the net body unit comprises more than two defense net single bodies, each defense net single body is formed by weaving a complete optical fiber cable, and the buoyancy units are connected with the control unit. The side edges of every two adjacent defense net single bodies are physically connected, the defense net single bodies of the net body unit are all controllably connected to the control system, and the buoyancy unit is arranged at the tops of the defense net single bodies of the net body unit so as to provide buoyancy at the tops of the defense net single bodies. And the net body units are suspended in water based on gravity.

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Номер записи: 34
04-08-2023 дата публикации

Automatic hammerhead positioning control system for prying trolley and control method of automatic hammerhead positioning control system

Номер: CN116537810A
Автор: DOU LINRUI, WANG QINGQUAN, SUN JIE, LI MING, LI WENDENG, CAO YANG, WANG SHUAI, ZHAO HONGHONG, SHI XIN, WANG ZIGUANG, CHU XIAOTAO
Принадлежит:

The invention discloses an automatic hammerhead positioning control system for a prying trolley and a control method of the automatic hammerhead positioning control system, a required hammerhead pose of a prying point is determined through a distance measuring device, the required hammerhead pose is fed back to a controller, and rotation and displacement of a multi-degree-of-freedom large arm mechanism and a hammerhead are realized through a rotary speed reducer, various stages of variable-amplitude oil cylinders and a swing oil cylinder; the real-time rotation angle and displacement measurement and feedback are obtained through the encoder and the displacement sensor, the required displacement or rotation angle is calculated through the controller, and a control signal is output, so that the hammer head reaches the required pose of a hair prying point. According to the invention, the target position of the prying hammer head can be automatically and quickly fixed. Compared with a traditional ...

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Номер записи: 35
04-07-2023 дата публикации

Injectable composite hydrogel for osteosarcoma diagnosis and treatment integration and preparation method thereof

Номер: CN116370404A
Автор: ZHANG JIN, GONG CHENCHI, WANG ZIYI, CAO YANG, LI FENGLU, YANG HUANGHAO
Принадлежит:

The invention discloses injectable composite hydrogel for osteosarcoma diagnosis and treatment integration and a preparation method of the injectable composite hydrogel. The hydrogel is ion covalent dual-crosslinked sodium alginate/polyacrylamide/carboxymethyl chitosan/liposome nanoparticle/magnesium particle dual-network hydrogel, has excellent mechanical and injectable properties, and can release nano-drugs at the body temperature after being implanted into a bone defect part through injection, so that the nano-drugs can be released at the body temperature, and the nano-drugs can be released at the body temperature after being implanted into the bone defect part. The released ferroferric oxide nanoparticles can be used as a contrast agent to locate a focus, and then hydroxyl radicals are generated through a Fenton reaction, so that tumor cells are killed; then, through in-vitro ultrasonic heating, the magnesium particles react with water to generate hydrogen and magnesium ions, so that ...

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Номер записи: 36
02-06-2023 дата публикации

Concrete temperature measuring device

Номер: CN116202639A
Автор: ZHANG WENJIE, GAO SONG, LI PENGLI, CAO YANG, CHEN HAO
Принадлежит:

A concrete temperature measuring device disclosed by the present invention comprises a lantern ring of a hollow structure, an upper sleeve and a lower sleeve of a hollow structure are detachably arranged at the upper end and the lower end of the lantern ring respectively, a plurality of groups of temperature measuring arms are detachably arranged in the circumferential direction of the lantern ring in the horizontal direction, and first temperature sensors are arranged at the end parts of the temperature measuring arms. And a second temperature sensor is arranged on the outer wall of the lantern ring. According to the invention, the plurality of groups of temperature measuring arms are arrayed around the lantern ring, so that the temperature information of the central point of the device and the four temperature measuring points at the end parts of the temperature measuring arms can be measured at the same height, the mass concrete temperature field can be monitored more comprehensively ...

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Номер записи: 37
29-08-2023 дата публикации

High-temperature impact wear resistant strengthened layer as well as preparation method and application thereof

Номер: CN116657131A
Автор: ZHAO LIN, PENG YUN, CAO YANG, MA CHENGYONG, ZHU YANJIE, TIAN ZHILING, LI CHANGHAI
Принадлежит:

The invention relates to a high-temperature impact wear resistant strengthened layer and a preparation method and application thereof, and belongs to the technical field of laser processing materials. The high-temperature impact wear resistant strengthened layer is prepared from alloy powder with high carbide content, and the alloy powder with high carbide content comprises the following chemical components in percentage by mass: 2.7%-3.0% of Al, 5.8%-6.3% of C, 63.5%-64.5% of Cr, 0.02%-0.04% of B, less than or equal to 200ppm of O, less than or equal to 50ppm of N, less than or equal to 5ppm of H and the balance of Ni. The strengthened layer is high in hardness and good in high-temperature impact wear resistance, and can meet the requirement for surface performance of key components of a heavy-duty diesel engine.

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Номер записи: 38
07-04-2023 дата публикации

Laminated piezoresistor and electronic equipment

Номер: CN115938700A
Автор: ZHU TAOYU, LIU XU, CAO YANG
Принадлежит:

The invention provides a laminated piezoresistor and electronic equipment. The laminated piezoresistor comprises a ceramic body, a plurality of inner electrodes and a plurality of outer electrodes, the multiple inner electrodes are sequentially stacked in the ceramic body in the second direction, and every two adjacent layers of inner electrodes are insulated through the ceramic body; the plurality of inner electrodes are respectively connected with the outer electrodes; the free end, not connected with the outer electrode, of at least part of the inner electrode comprises a first vertex angle and a second vertex angle, and at least one of the first vertex angle and the second vertex angle is a fillet. According to the invention, the vertex angle of the free end of the inner electrode is provided with the fillet, so that the breakdown risk of the ceramic body (such as the vertex angle corresponding to the fillet) and the load failure risk caused by the breakdown can be reduced.

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Номер записи: 39
05-05-2023 дата публикации

Method for rapidly detecting susceptibility gene Siglec14/5 related to GBS and fusion mutation of susceptibility gene Siglec14/5

Номер: CN116064857A
Автор: CAO YANG, WANG DAWEI, ZENG ZHEN, ZHANG LEI, LU YANG, FENG HUIJUN, LI SHUHUA, LIAO QINPING
Принадлежит:

The invention provides a method for rapidly detecting a susceptibility gene Siglec14/5 related to GBS and fusion mutation of the susceptibility gene Siglec14/5, namely adding a PCR (Polymerase Chain Reaction) amplification primer of a first-round Siglec14/5 fusion mutant gene, a qPCR detection primer and a probe of a second-round target fusion mutant gene, and a qPCR detection primer and a probe of a non-coding region sequence between a target wild type normal Siglec14 gene and a Siglec5 gene into the same tube, so as to rapidly detect the GBS-related susceptibility gene Siglec14/5 and the fusion mutation of the GBS-related susceptibility gene Siglec14/5 and the fusion mutation of the GBS-related susceptibility gene Siglec14/5. By adjusting the temperature change of each reaction step of denaturation-annealing-extension, two rounds of PCR and qPCR are continuously carried out without mutual interference, and the wild type, the deletion mutant type and the heterozygous type of the Siglec14 ...

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Номер записи: 40
05-05-2023 дата публикации

Tooth extraction electric drill

Номер: CN116058985A
Автор: CAO YANG, YI MINGLING, TANG YAPING
Принадлежит:

The invention provides a tooth extraction electric drill. The tooth extraction electric drill comprises a machine body, a driving assembly, a sliding assembly, a transmission assembly, a stop block assembly, a driven assembly, a mounting assembly, a drill bit, a motor assembly and a locking assembly, the driving assembly is rotatably arranged in the machine body, the sliding assembly is slidably arranged in the machine body, and the driving assembly can drive the sliding assembly to slide; the transmission assembly is rotatably arranged in the machine body, and the sliding assembly can drive the transmission assembly to rotate; the two driven assemblies are arranged on the two sides of the transmission assembly correspondingly, and rotation of the transmission assembly can drive the two driven assemblies to slide reversely at the same time. The stop block assembly is arranged in the machine body, the mounting assembly is telescopically arranged in the machine body and has elasticity, and ...

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Номер записи: 41
12-05-2023 дата публикации

Doppler underwater measuring device and manufacturing method thereof

Номер: CN116106576A
Автор: FAN YONGGANG, SHEN WENYAN, CAO YANG
Принадлежит:

The invention discloses a Doppler underwater measuring device and a manufacturing method thereof, and the Doppler underwater measuring device comprises a circuit board, at least one gluing part, at least three Doppler transducers and a housing. The shell comprises a shell main body, a bottom cover mounted on the shell main body and a shell space formed between the shell main body and the bottom cover, the circuit board is arranged in the shell space, the shell main body is provided with at least three assembly surfaces, at least three mounting grooves and at least three communication channels, and the circuit board is arranged in the shell space. The mounting grooves are formed by concaving the mounting surfaces, the communication channels are communicated with the mounting grooves and the shell space, each Doppler transducer is mounted in the corresponding mounting groove, and the mounting grooves are communicated with the mounting grooves through the communication channels. The Doppler ...

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Номер записи: 42
23-06-2023 дата публикации

High-precision automatic integral dividing device control system and control method thereof

Номер: CN116300674A
Автор: SUN ZHILONG, CAO YANG, WANG XIANYUN, YU XIN, KONG DEJIE, HAO MENGLIANG, LIU ZENGLIANG
Принадлежит:

The invention discloses a high-precision automatic integral dividing device control system and a control method thereof. The functions of quickly aligning to-be-machined faces of frame parts and automatically replacing the machined faces are achieved. According to the utility model, technologies such as an RS232 bus, an RS485 bus, logic control and the like are used, and the PLC is respectively communicated with various hardware, so that the construction of the automatic integral distribution device control system is completed. The control system is mainly used for controlling two functions of automatic surface changing and accurate positioning, and motion control of the servo motor is completed by utilizing Modbus protocol programming, so that accurate positioning of the position of the motor is ensured; through analysis of a part processing technology, a target function is realized through logic sequence control of the positions of the zero point module and the two servo motors by a PLC ...

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Номер записи: 43
28-04-2023 дата публикации

Angle-adjustable drill rod loading and unloading device, working method thereof and horizontal directional drilling machine

Номер: CN116025298A
Автор: CHEN WEICHAO, LI MING, CAO FENG, NIU XIAOBO, WANG YU, WANG XIANG, WANG SHUAI, CAO YANG
Принадлежит:

The invention relates to an angle-adjustable drill rod loading and unloading device, a working method thereof and a horizontal directional drilling machine, is used for an automatic drill rod loading and unloading device used in the non-excavation field, and belongs to the technical field of drill rod clamping loading and unloading devices, the angle-adjustable drill rod loading and unloading device comprises a rotating shaft, a rotating frame, a rotating oil cylinder, a support, a grabbing arm, a driving motor, a driving shaft and a mechanical grabbing hand; the driving motor drives the grabbing arm to rotate between the clamping device and the power head and the outer side of the drilling machine, the rotating oil cylinder drives the rotating frame to rotate with the rotating shaft as the axis, and the angle of a drill rod grabbed by the mechanical grabbing hand at the front end of the grabbing arm is adjusted. The drill rod loading and unloading device can be driven by the rotating oil ...

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Номер записи: 44
23-06-2023 дата публикации

Information display method and device, computer equipment and storage medium

Номер: CN116304185A
Автор: CAO YANG, CHEN JINGLIN
Принадлежит:

The invention provides an information display method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining a plurality of search terms associated with a target video; the plurality of search terms comprise a first search term for initiating search after viewing the target video and a second search term for initiating search after viewing the target video and comments corresponding to the target video; displaying a video search word in a playing page of the target video in an associated manner; the video search term is determined based on the first search term and is related to video features of the target video; displaying a comprehensive search term on a comment page of the target video; the comprehensive search term is determined based on the first search term and the second search term and is related to the video features and/or the comment features of the comments.

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Номер записи: 45
04-04-2023 дата публикации

Incremental learning-based printed circuit board defect detection method and equipment

Номер: CN115908340A
Автор: KANG YU, SHI KEHAO, BAI PENG, HEO JIN-EUI, CAO YANG
Принадлежит:

The invention discloses a printed circuit board defect detection method and device based on incremental learning, and the method comprises the following steps: 1, employing a standard classification process for the training of a PCB defect base class in an incremental task; step 2, for training of a PCB defect increment class, firstly adopting random event selection to generate extensible feature representation and calculating defect prototype features; 3, constructing a correlation matrix between PCB old defect prototype features and new defect samples by adopting dynamic relation projection; and 4, performing loss calculation and optimization on the correlation matrix between the new and old defect samples and the features extracted from the new defects of the PCB through a classifier. According to the method, the expandability and optimization capability of PCB defect feature representation are improved by utilizing random event selection; the expression capability of new defects (miscellaneous ...

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Номер записи: 46
05-05-2023 дата публикации

Diesel vehicle emission grade evaluation method and system

Номер: CN116070796A
Автор: KANG YU, LIU WENQING, DING YAN, CAO YANG, ZHANG YUJUN, YIN HANG, LI JING
Принадлежит:

The invention relates to the field of exhaust emission monitoring, and discloses a diesel vehicle emission grade evaluation method and system, and the method comprises the steps: constructing sample data, carrying out the preprocessing of the sample data of a source domain and a target domain, and generating the preprocessing data; according to the source domain tagged data and the target domain untagged data, predicting an operation condition possibly contained in the target domain, and obtaining a condition weight of a source domain sample; and learning system parameters by using the source domain sample data subjected to working condition weighting and the preprocessed target domain sample data to realize target domain diesel vehicle emission grade evaluation. According to the method, under the condition of fully considering different operating condition spaces of the diesel vehicles and important influences on data distribution differences, dynamic quantification of importance of edge ...

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Номер записи: 47
16-06-2023 дата публикации

Stent conveying device and stent conveying system

Номер: CN116262078A
Автор: CAO YANG, ZHANG YU, WANG JINYAO, GAO LINGYUE, ZHU QING
Принадлежит:

The invention relates to a stent conveying device and a stent conveying system. The stent conveying device comprises an inner tube, an outer tube, a limiting sleeve and a releasing sleeve, the limiting sleeve and the releasing sleeve are arranged outside the inner pipe in a sleeving mode, the outer pipe is arranged outside the limiting sleeve and the releasing sleeve in a sleeving mode, and the limiting sleeve is located on the far-end side of the releasing sleeve; a binding wire is arranged at the far end of the release sleeve and used for binding the bare section of the stent to the outside of the limiting sleeve, and the release sleeve can move towards the near end of the outer tube under the action of external force until the binding wire relieves binding of the bare section. According to the stent conveying device, when the covered section of the stent is released in advance, the bare section is bound outside the limiting sleeve by the binding wire, so that the bare section cannot ...

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Номер записи: 48
26-05-2023 дата публикации

Multifunctional power electronic transformation system and control method

Номер: CN116169679A
Автор: ZHOU ZHIYU, WANG CAIXIAO, TANG JIANYU, CAO YANG, LONG LILAN, WU MINGSHUI, ZHOU JING, MO TIANZHEN, LYU GUANXIONG
Принадлежит:

The invention discloses a multifunctional power electronic voltage transformation system and a control method, the system comprises a converter, the converter comprises a control system, a power electronic transformer and an inversion unit, the input end of the power electronic transformer is connected to a medium-voltage alternating current bus of a power supply system through a feeder switch, and the output end of the power electronic transformer is connected to the inversion unit; the direct current is converted into low-voltage direct current through the power electronic transformer, low-voltage direct current output is realized through the direct current distribution unit at the output end of the power electronic transformer, alternating current output is realized through the alternating current distribution unit at the output end after passing through the inversion unit, and the alternating current distribution unit is connected with more than one alternating current load. The control ...

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Номер записи: 49
04-04-2023 дата публикации

Digital quantity output circuit with disconnection monitoring function, circuit board and monitoring method

Номер: CN115903717A
Автор: YANG LEI, CAO YANG, WANG TING, HE CHENGZHAO, HUANG MIN, SHE YUE, LIU FEI, XU ZHEN, ZHANG ZHIMIN, CHU RUI, WANG CHAO, CHEN MENGJUN
Принадлежит:

The invention discloses a digital quantity output circuit with a disconnection monitoring function, an integrated circuit board and a monitoring method. The digital quantity output circuit comprises a digital quantity switch K1, a comparator D1, a comparator D2, a current source I1, a power supply VDD1, a reference voltage source Vref1, a reference voltage source Vref2 and a resistor R1. The power supply VDD1 is connected with one end of the digital quantity switch K1 and the in-phase input end of the comparator D1 through the resistor R1, and the other end of the digital quantity switch K1 is respectively connected with the in-phase input end of the comparator D2 and the load; the reference voltage source Vref1 is connected with the inverted input end of the comparator D1; the reference voltage source Vref2 is connected with the inverted input end of the comparator D2; and the current source I1 is connected with the other end of the digital quantity switch K1. The invention has the advantages ...

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Номер записи: 50
11-08-2023 дата публикации

Printed circuit board defect detection method based on small sample learning, medium and equipment

Номер: CN116579980A
Автор: KANG YU, SHI KEHAO, BAI PENG, HEO JIN-EUI, CAO YANG
Принадлежит:

The invention discloses a printed circuit board defect detection method, system and equipment based on small sample learning, and the method comprises the steps: firstly training a printed circuit board defect detection network: carrying out the defect feature extraction of an input PCB image through employing an instance-level embedded backbone network, and obtaining a global feature; refining the output of the last block through a position weight distribution module to generate a defect position weight map; cutting a corresponding area from the input PCB image according to the weight map, inputting an instance-level embedding trunk, generating a local feature, and generating embedding for each input image; a sample weight allocation module is applied to the embedded set of each defect support class to form an attention prototype of each defect class, and the network is trained using a cross entropy loss function. The method is a defect class perception assistance and suppression network ...

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Номер записи: 51
25-04-2023 дата публикации

Cabinet door lock body device

Номер: CN116006028A
Автор: REN ZHIQIANG, LI LI, LI YUNFENG, XU YAOLIANG, HUANG CHANGBAO, CAO YANG, BAI XUEBING, LI XIJUN, PANG BO, WANG ZHIQI, SHEN QIAOYAN
Принадлежит:

The invention relates to the technical field of security and protection, in particular to a cabinet door lock body device which comprises a lock body shell, and a power source, a signal receiver, a controller, a driving mechanism and a spring bolt mechanism are arranged in the lock body shell. The power source is electrically connected with the controller and the driving mechanism. The signal receiver is used for being connected with the data transmitter and transmitting a signal to the controller; the controller is used for controlling the driving mechanism to act; the driving mechanism is used for driving the spring bolt mechanism to be clamped with or separated from the groove of the door frame; a clamping groove is formed in the lock body shell, the signal receiver is arranged in the clamping groove, a magnetic piece is further arranged in the clamping groove, and the problems that according to an existing lock body, due to the fact that a key needs to be inserted into a lock hole opening ...

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Номер записи: 52
23-06-2023 дата публикации

Training method of gas leakage detection model and gas leakage detection method

Номер: CN116309473A
Автор: XIA XIUSHAN, XU NANFAN, KANG YU, CAO YANG, HEO JIN-EUI
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The invention discloses a training method of a gas leakage detection model and a gas leakage detection method, and belongs to the technical field of gas leakage detection. The training method of the gas leakage detection model comprises the following steps: acquiring a gas infrared image sample set; inputting the gas infrared image sample set into a feature extraction module to obtain gas feature information; inputting the gas characteristic information into a boundary response module, positioning a first gas leakage area, performing boundary characteristic enhancement on the gas characteristic information, and combining the gas characteristic information with boundary position information of the first gas leakage area to obtain a gas fusion characteristic pattern; inputting the gas fusion feature map into a feature detection module to obtain position information of a sample gas leakage area and position information of a sample leakage source; and adjusting parameters of the gas leakage ...

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