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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 48. Отображено 48.
23-06-2023 дата публикации

Internet harmful event detection method and device and storage medium

Номер: CN116304071A
Автор: BAO SHANGCE, LIU LIFENG, YAO PENG, WANG KUN, SHI XIAN, WANG LINDONG, DONG HUA, WANG WENZHONG, ZHANG JIANJUN
Принадлежит:

The invention discloses an internet harmful event detection method and device and a storage medium, and the method comprises the steps: constructing or updating a keyword knowledge graph, and dividing the knowledge graph into a plurality of sub-graphs; using a clustering algorithm to cluster the documents into harmful events; by updating each harmful event, inserting each harmful event into a harmful story tree, or creating a new harmful story tree according to the harmful events, detection and classification of harmful contents in the mobile internet and the internet are realized, and the purpose is to discover the harmful events from massive web pages and document data. Harmful events are organized through a reasonable harmful story tree in an online mode; the invention provides a two-layer webpage document clustering algorithm based on a knowledge graph, harmful events are extracted from a large number of webpage texts or webpage related news, after new webpage and document data arrive ...

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Номер записи: 1
07-04-2023 дата публикации

Breaker hydraulic mechanism oil supplementing device and non-power-cut oil supplementing method

Номер: CN115929737A
Автор: ZHENG HAOYUAN, LI YIRAN, SHI YUCHAO, SHI YUZHAN, TONG JIAMING, WU BANG, WU JING, FAN LIBO, ZHOU LEI, DING JING, HAN RONGJIE, TANG MING, XU GUOFENG, XU TING, JIANG JING, DAI SHIQIANG, JUNG SEUNG-HOON, LI TAO, SHEN ZHENGYANG, WANG HAIRONG, AI FEI, LIU WEIQI, CHEN MINQUAN, ZHU XIAOFENG, XU LIWEI, ZHONG MING, LIU LIFENG, DU QIYING, SHEN HENGDE, CHEN LAFANG, XU LI
Принадлежит:

The invention discloses an oil recharging device for a hydraulic mechanism of a circuit breaker, belongs to the technical field of circuit breakers, and solves the problems that in the prior art, oil recharging needs power failure, oil recharging is unsafe and inconvenient, and hydraulic oil is prone to backflow, and according to the technical scheme, the oil recharging device mainly comprises an oil recharging barrel and a low-pressure pipeline connected with an oil discharge outlet of an oil tank of the circuit breaker. A communicated oil conveying pipeline is arranged between the oil supplementing barrel and the low-pressure pipeline, the oil conveying pipeline is provided with an oil pump and a first control valve controlling opening and closing of the oil conveying pipeline, the low-pressure pipeline is provided with a second control valve controlling opening and closing of the low-pressure pipeline, and the second control valve is located on the downstream of the first control valve ...

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Номер записи: 2
06-07-2016 дата публикации

Continuous blowpipe target plate device of large -scale thermal power factory boiler steam

Номер: CN0205372589U
Автор: LIU LIFENG, SUN LEI, ZHANG ZHIBO, WANG YINGJUN
Принадлежит:

... 本实用新型涉及锅炉技术领域，公开了一种大型火力发电厂锅炉蒸汽连续吹管靶板装置，包括径向穿设于吹管管道的吹管靶板，依次设于吹管管道外侧的吹管靶板上的第一法兰、第二法兰、第三法兰和第四法兰，设于第一法兰和第二法兰之间的第一石墨盘根层，设于第三法兰和第四法兰之间的第二石墨盘根层，所述第三法兰、第二法兰和吹管靶板之间形成以空腔，所述空腔的外壁上还设有与其连通的连接口。本实用新型具有能不关闭快速门也能更换靶板的优点。 ...

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Номер записи: 3
30-05-2023 дата публикации

Image background illumination homogenization method, system and device and storage medium

Номер: CN116188302A
Автор: YAO HENG, MAI HAOHUANG, LIU LIFENG, CAO ZHI
Принадлежит:

The invention relates to an image background illumination homogenization method, system and device and a storage medium, and the method comprises the following steps: S1, inputting an original image, obtaining a rectangular mask, and carrying out the rank filtering of the original image through the rectangular mask, and obtaining a first image; s2, performing mean filtering on the first image, eliminating a high-frequency gray value in the first image, and obtaining a second image; and S3, subtracting the original image from the second image to obtain a final processing image, and zooming the gray value of the final processing image to a preset value. According to the invention, rank filtering is carried out on the original image by using the rectangular mask, so that the difference of gray values of all positions of the original image can be reduced; and subtracting the second image from the original image to obtain a third image, which is used for obtaining the gray difference value of ...

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Номер записи: 4
02-06-2023 дата публикации

Construction support system and erecting method thereof

Номер: CN116201343A
Автор: MA JUNSHAN, ZOU YANG, MA RUICHENG, HE DONG, LIU WEIJIE, LIU LIFENG, ZHAO XUBO, GAO KAI
Принадлежит:

The invention discloses a construction support system and an erecting method thereof, the construction support system is used for construction of a steep cliff, the gradient of the steep cliff is larger than or equal to 79 degrees and smaller than or equal to 90 degrees, the construction support system comprises a foundation platform, a first-stage support, an overhanging platform, a second-stage support and slope anchor rods, the foundation platform is arranged at the slope toe of the steep cliff, and the first-stage support is arranged on the foundation platform; the foundation platform comprises multiple steps which are fixedly connected in sequence in the first direction, and the heights of the multiple steps are gradually increased. The first-stage bracket is erected on a plurality of steps of the foundation platform; the overhanging platform is anchored on the rock wall of the steep cliff and is positioned above the first-stage bracket; the second-stage bracket part is arranged on ...

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Номер записи: 5
04-07-2023 дата публикации

Reaming device for implanting fixed sliding sleeve in low-incisura femoral neck fracture

Номер: CN116370019A
Автор: LIU LIFENG, QIAO WENZE, SUN JUN, FANG NAN, WU LE, HE ZHIBO
Принадлежит:

The invention discloses a reaming device for implanting a fixed sliding sleeve in a low-incisura femoral neck fracture, which comprises a guider, a drill bit is mounted on the guider, a limiter is mounted on the drill bit, the limiter is connected with a limiter nut, the guider comprises a T-shaped holding rod, the T-shaped holding rod is connected with a sleeve, and the T-shaped holding rod is connected with the sleeve. A metal plate is installed at the bottom of the sleeve, an arc-shaped groove is formed in the metal plate, and the drill bit is installed on the sleeve. According to the device, matched tools required by implantation of the low-incisura femoral neck fracture internal fixation system are perfected, so that reaming operation before implantation of the sliding sleeve is more convenient. And by using the guider, sliding is reduced, the drilling stability is improved, and it is guaranteed that the hole is matched with the sliding sleeve.

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Номер записи: 6
18-07-2023 дата публикации

Multi-system rail transit comprehensive control model and method based on Petri network

Номер: CN116453336A
Автор: WANG LUXI, ZHU MING, CHEN DEWEI, WANG XUELIN, LIU LIFENG, YANG GANG, LI JUAN, XU ZHIXUE, XIE BAOJUN, ZHANG WEI, CHENG YIJIA
Принадлежит:

The invention relates to the technical field of rail transit comprehensive dispatching, in particular to a multi-system rail transit comprehensive control model and method based on a Petri net, the model comprises an automatic block model based on the Petri net, and the automatic block model is used for representing the running state of a train in a railway block interval; the system further comprises a transfer public transport means model based on the Petri network, the transfer public transport means model is used for representing the operation state of the public transport means with a plurality of operation intervals, the operation time of the public transport means is determined in advance, and the transfer public transport means model is associated with the automatic block model through a transfer station. According to the method, the time delay Petri network model is used, the time delay is endowed with transition, the multi-system rail transit comprehensive model is established ...

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Номер записи: 7
07-04-2023 дата публикации

Hand-held adjustable guider for FNS guide pin

Номер: CN115919441A
Автор: LIU LIFENG, SUN JUN, QIAO WENZE, FANG NAN, WU LE, GAO SHUO
Принадлежит:

The hand-held adjustable guider comprises a positioning block, the bottom of the positioning block is connected with a guide block, the positioning block is integrally of a rounded cuboid structure, a circular groove is formed in the inner side of the positioning block, an upper set of positioning corners and a lower set of positioning corners are installed on the inner side of the guide block, and the upper set of positioning corners and the lower set of positioning corners are connected with the guide block. And continuous curved surface recesses are arranged on the inner sides of the positioning angle and the guide block. The guide device performs positioning according to the anatomical structure of the femur, is wide in applicability and has repeatability, so that the guide needle of the FNS has proper reference when being placed, and the guide needle is easier to place; the width of the guide block is approximately the same as that of the femur, so that an operator can visually feel ...

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Номер записи: 8
16-06-2016 дата публикации

MILLING ADJUSTING DEVICE FOR PROCESSING PIPE WALL PLANE

Номер: WO2016090649A1
Автор: CHEN, Yimin, WANG, Yuwen, ZHOU, Cheng, LIU, Lifeng, YU, Shihe, CHEN, Zizhong, SHEN, Jinming
Принадлежит:

A milling adjusting device for processing a pipe wall plane comprises a supporting frame (1), a top cover (2) arranged at the upper end of the supporting frame, and a transverse beam (3). The supporting frame (1) is composed of a left stand column (101) and a right stand column (102). A lifting means (4) is arranged on each of the left stand column (101) and the right stand column (102), and the transverse beam (3) is connected with the left stand column (101) and the right stand column (102) by means of the lifting means (4). The transverse beam (3) is provided with a floating beam (9) and the floating beam (9) is provided with a floating lifting mechanism (5) with milling means (6) arranged at both ends thereof. A rail car (7) is arranged at the lower ends of the milling means (6) and used to place the pipe wall of a work piece for processing a pipe die. With the adoption of the structure, the milling means (6) are arranged at both ends of the floating lifting mechanism (5) and a pressing ...

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Номер записи: 9
12-05-2023 дата публикации

Tunnel surface deformation analysis method, device and equipment and storage medium

Номер: CN116105670A
Автор: ZHU PENGGANG, ZOU FULIANG, GUO ZHANGFENG, CHEN QIANG, PAN DONGSHENG, LONG PINGBING, LI KUNYANG, ZUO ZHIGANG, TANG HAIJUN, LIU LIFENG
Принадлежит:

The invention discloses a tunnel surface deformation analysis method, device and equipment and a storage medium, and relates to the field of buildings. The method comprises the following steps: acquiring first point cloud data of a tunnel and second point cloud data of the tunnel; generating a reference curved surface model based on the first point cloud data by adopting an NURBS curved surface modeling technology, and generating a sample curved surface model based on the second point cloud data by adopting the NURBS curved surface modeling technology; determining a reference deformation monitoring point from the reference curved surface model by adopting a rapid reverse solving technology, and determining a sample deformation monitoring point from the sample curved surface model by adopting the rapid reverse solving technology; and solving the difference between the reference deformation monitoring point and the sample deformation monitoring point to obtain the deformation amount of the ...

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Номер записи: 10
02-06-2023 дата публикации

Tunnel construction over-break and under-break analysis method, equipment, system and medium

Номер: CN116201596A
Автор: ZHU PENGGANG, ZOU FULIANG, GUO ZHANGFENG, CHEN QIANG, LONG PINGBING, LI KUNYANG, ZUO ZHIGANG, TANG HAIJUN, LIU LIFENG, PAN DONGSHENG
Принадлежит:

The invention relates to the technical field of tunnel construction, in particular to an over-break and under-break analysis method, device and system for tunnel construction and a medium. According to the technical scheme, a target lofting area of a tunnel is obtained, then in response to an on-site lofting instruction sent by a user, lofting equipment is controlled to conduct lofting measurement on the target lofting area, and the target lofting area is obtained; according to the method, the target point cloud data set of the corresponding target area is acquired according to the preset point cloud data set, and the target point cloud data set is analyzed and compared with the preset point cloud data set to obtain the back-break data result of the tunnel, so that the back-break data result of the construction area of the tunnel can be accurately acquired during specific implementation; whether the over-excavation and under-excavation conditions occur in the construction area of the tunnel ...

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Номер записи: 11
02-06-2023 дата публикации

Tomato leaf disease identification method based on improved convolutional neural network

Номер: CN116206304A
Автор: JIANG QINGJIAN, YAO YONG, HU CHUANGYE, LIU KAIYAN, XU SHENGLI, LU BING, SUN LULU, SU YUJIE, LIU LIFENG
Принадлежит:

The invention discloses a tomato leaf disease recognition method based on an improved convolutional neural network in the field of image recognition, and the method comprises the following steps: S101, obtaining a tomato leaf disease image data set, carrying out the preprocessing, forming the classification recognition of tomato leaf diseases, and obtaining a test data training set and a test set; and S102, through an improved convolutional neural network method and a pre-training parameter construction method model, image features of the training set are extracted, training of a tomato leaf disease identification model is carried out, and a tomato leaf disease image to be identified is obtained. According to the method, a convolutional neural network method is improved, image information is extracted through multiple channels and multiple kernels, and meanwhile, a double attention mechanism is added to pay attention to global and local features of an image; experimental simulation shows ...

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Номер записи: 12
06-07-2016 дата публикации

Tower machine brake unit

Номер: CN0205367534U
Автор: LIU LIFENG
Принадлежит:

... 本实用新型公开了一种塔机制动单元，包括油箱、连接该油箱的油泵电机组、与油泵电机组连接的制动控制系统、与制动控制系统连接的液压制动钳和连接前述各元件的油路，所述控制系统包含三条通路；通路一起端与油泵电机组连接，终端与电磁换向阀连接，通路一中串联有电磁卸荷阀、背压阀，在电磁卸荷阀、背压阀之间有管路与油箱连接；通路二与通路三共同的起端与油泵电机组之间串联有单向阀，共同的终端与电磁换向阀之间并联有蓄能器、高压压力继电器、低压压力继电器；通路二中没有串联任何元件；通路三中串联有溢流阀，在溢流阀与电磁换向阀之间有管路与油箱连接。本实用新型能瞬时启动、响应速度快、节能、且在停电情况下仍能手动松刹。 ...

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Номер записи: 13
26-10-2017 дата публикации

METHOD FOR EFFICIENTLY PREPARING DOPED OPTICAL FIBRE PREFORM AND DOPED OPTICAL FIBRE PREFORM

Номер: WO2017181636A1
Автор: DU, Cheng, LUO, Wenyong, YAN, Lei, ZHANG, Tao, CHEN, Chao, KE, Yili, KONG, Ming, ZHANG, Jie, LIU, Zhijian, LIU, Lifeng
Принадлежит:

Provided are a method for preparing a doped optical fibre preform and a doped optical fibre preform. The steps of the method are as follows: formulating a rare earth material or a functional metal material and a co-doping agent into a doping solution, mixing a high-purity quartz powder with the doping solution, drying same at a temperature of 100ºC - 150ºC for 12 - 48 h, crushing and screening same to obtain a doped quartz powder; depositing the doped quartz powder onto the surface of a target rod (1) to form a doped core layer (2); replacing the doped quartz powder with the high-purity quartz powder, and depositing the high-purity quartz powder onto the surface of the doped core layer to form a quartz outer cladding (3); and removing the target rod (1), and gradually collapsing the entirety formed from the doped core layer (2) and the quartz outer cladding (3) at a high temperature to obtain the doped optical fibre preform.

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Номер записи: 14
28-11-2019 дата публикации

INFORMATION PROCESSING METHOD AND SYSTEM

Номер: WO2019223737A1
Автор: LI, Guoliang, YI, Qi, LIU, Lifeng, WANG, Lei, GAO, Canjin
Принадлежит:

An information processing method and system, the method comprising: obtaining item information of at least one item and user information of at least one authorized user (210); establishing a correspondence between the item information of the at least one item and the user information of the at least one authorized user (220); according to the correspondence, determining a first item corresponding to user information of a first authorized user among the at least one authorized user (230); and sending the user information of the first authorized user into the first item, such that the first item may verify information of an operator of the first item according to the user information of the first authorized user, and processing an operation request of the operator according to the verification result (240).

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Номер записи: 15
19-12-2019 дата публикации

RESOURCE MANAGEMENT AND CONTROL METHOD AND SYSTEM

Номер: WO2019238133A1
Автор: LIU, Lifeng, LIU, Huasheng, LI, Guoliang, PAN, Jiaming, TAN, Liu, GAO, Canjin, YAO, Sheng, LU, Wenhao, YE, Zhiwei
Принадлежит:

A resource management and control method and system (100). The resource management and control system (100) comprises: a storage device storing a group of instructions, and one or more processors in communication with the storage device, wherein when the group of instructions is executed, the one or more processors are configured to enable the system to collect resource use data by means of one or more meters (130), to perform processing on the resource use data on the basis of a preset algorithm, and determine a resource use state, and to control the one or more meters (130) and/or one or more intelligent devices (150) to perform a specified operation at least on the basis of the resource use state. Further provided are a resource management system and method for controlling the meter (130)/the intelligent device (150) on the basis of a network.

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Номер записи: 16
30-01-2020 дата публикации

SMART DEVICE CONTROL METHOD AND SYSTEM

Номер: WO2020020309A1
Автор: LIU, Huasheng, LI, Guoliang, YI, Qi, MA, Huazhang, ZHENG, Dai, LIU, Lifeng, ZHANG, Yuhu, TANG, Hao
Принадлежит:

The present application relates to a smart device control method and system. The smart device control system comprises: a storage device for storing a set of instructions; and one or more processors communicating with the storage device, wherein when executing the set of instructions, the one or more processors are configured to enable the system to: acquire association information of a smart device, wherein the association information at least comprises smart device information and/or a communication state of the smart device; process the association information of the smart device based on a pre-set algorithm, so as to determine indication information of the smart device; and carry out a specific operation related to the smart device at least based on the indication information. Provided are a control system and method for controlling a smart device based on a network.

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Номер записи: 17
30-01-2020 дата публикации

DEVICE MANAGEMENT METHOD AND SYSTEM

Номер: WO2020020304A1
Автор: LI, Guoliang, ZHANG, Yuhu, TANG, Hao, MA, Huazhang, ZHENG, Dai, LIU, Lifeng, PAN, Jiaming
Принадлежит:

A smart device management method, the method comprising: locally generating and storing local device management information; receiving a device management instruction by means of a network; and updating the local device management information according to the device management instruction or performing a specified operation in combination with the local device management information.

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Номер записи: 18
18-07-2023 дата публикации

Tower crane with movable arm

Номер: CN116443746A
Автор: MA RUICHENG, ZOU YANG, LIU WEIJIE, HE DONG, LIU LIFENG, WANG HUAN, ZHAO XUBO, GAO KAI
Принадлежит:

The invention discloses a movable arm tower crane which comprises a tower body, a working arm, a balance arm and a counterweight system, the tower body is arranged on the ground, one end of the working arm is connected to one end, far away from the ground, of the tower body, the other end of the working arm is provided with a hook, the hook is used for hanging a heavy object, and the balance arm is connected with the counterweight system. A driving part is arranged at the end, close to the tower body, of the working arm, the driving part extends towards the side close to the tower body, the balance arm is connected to the end, away from the ground, of the tower body, the balance arm and the working arm are located on the two opposite sides of the tower body, and the counterweight system comprises a rocker, a counterweight frame and a moving rod; the balance weight frame is used for containing a balance weight block, the balance weight frame is rotationally connected with the balance arm ...

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Номер записи: 19
08-08-2023 дата публикации

Bone block fixing system for avulsion fracture

Номер: CN116549083A
Автор: LIU LIFENG, QIAO WENZE, SUN JUN, WU LE, FANG NAN, HE ZHIBO
Принадлежит:

The bone block fixing system comprises a bone block needle and a gasket, the gasket is detachably arranged on the bone block needle in a sleeving mode, the whole bone block needle is a solid cylinder, the left end of the bone block needle is a blade, the middle section of the bone block needle is a threaded section, the right section of the bone block needle is a needle body, and an annular groove is formed in the needle body. The system can be used for fixing small bone avulsion fracture, intra-articular fracture or bone slices and bone blocks, has good fixing and pressurizing effects on fracture ends, and is small in surgical wound and convenient for postoperative recovery. The spherical-crown-shaped gasket is better attached to the bone surface, discomfort of a patient is reduced, the suture holes in the gasket facilitate fixation of soft tissue such as local tendons and ligaments, and postoperative bone tearing is reduced. The annular groove is formed in the needle body part of the ...

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Номер записи: 20
15-06-2016 дата публикации

Three -dimensional efficient correcting unit

Номер: CN0205309010U
Автор: CHEN YIMIN, WANG YUWEN, ZHOU CHENG, LIU LIFENG, YU SHIHE, CHEN ZIZHONG, SHEN JINMING, ZHOU HENGZHI, LI XIAOQUAN
Принадлежит:

... 本实用新型提供了一种立体高效的校正装置，包括工件（1）、设在工件右侧的一号丝杠（2-1），设在工件左侧的二号丝杠（2-2）和设在工件上方的三号丝杠（2-3），其中，一号丝杠（2-1）用于右侧施加校正力，二号丝杠（2-2）用于左侧施加校正力，三号丝杠（2-3）用于下悬施加校正力。本实用新型采用一种新的立体高效的校正装置，多点立体施加校正力来校正，既提高效率又减少了人员及设备事故隐患，是一种很好的校正方法。 ...

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Номер записи: 21
16-05-2023 дата публикации

Lithium battery defect detection method, system and equipment based on YOLOv5 and storage medium

Номер: CN116128826A
Автор: XIE CHONGLIANG, MAI HAOHUANG, LIU LIFENG, WANG DIANXIONG
Принадлежит:

The invention discloses a lithium battery defect detection method, system and device based on YOLOv5 and a storage medium. The method comprises the following steps: S1, obtaining an original image, and selecting an effective detection area of the original image to obtain an effective detection area image; s2, zooming the effective detection area image to a uniform size, and segmenting the effective detection area image into a plurality of small images which are adaptive to model input and have a uniform size; s3, performing data annotation on the plurality of segmented small images, and applying a YOLOv5 model trained on a larger data set and completing training; and S4, after the training is completed, reasoning by using a model obtained by training to obtain a model reasoning result, and splicing the plurality of small images according to the model reasoning result, so that the small images are restored to the size of an effective detection area image to obtain a lithium battery defect ...

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Номер записи: 22
25-07-2023 дата публикации

Environment sound description method and device, electronic equipment and storage medium

Номер: CN116486830A
Автор: SONG WEIHUA, MU JIANKANG, LIU GUANGHONG, LIU LIFENG, XU CONGWEN, LI ZHENHUA, WANG WENZHONG, ZHANG JIANJUN
Принадлежит:

The invention provides an environment sound description method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a first target environment sound in response to an environment sound description request, carrying out the preprocessing of the first target environment sound, and obtaining a second target environment sound; performing recognition processing on the second target environment sound by adopting an environment sound description model to obtain a description result of the first target environment sound; the training of the environment sound description model comprises the following steps: acquiring an audio data set of environment sound, and executing audio editing processing on the audio data set to obtain a verification set and a test set; performing preprocessing on the verification set and the test set, and further performing transfer learning-based processing to obtain audio features; and performing deep convolutional neural ...

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Номер записи: 23
09-05-2023 дата публикации

Robot calibration method and device and data acquisition device

Номер: CN116079726A
Автор: CHEN SENMIAO, MAI HAOHUANG, LIU LIFENG
Принадлежит:

The invention relates to a robot calibration method and device and a data acquisition device. The calibration method comprises the following steps: acquiring variable data of a robot moving to a plurality of postures; obtaining a preset conversion model; and on the basis of the motion variable parameters under the plurality of postures, the plurality of calibration object images and the conversion model, calibrating the fixed parameters and the fixed conversion relation to obtain a target calibration value of the fixed parameters and the fixed conversion relation. By adopting the scheme of the invention, the calibration of the robot can be realized with lower cost.

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Номер записи: 24
06-06-2023 дата публикации

Method, device, equipment and system for scanning object in tunnel and medium

Номер: CN116222523A
Автор: ZOU FULIANG, ZHU PENGGANG, GUO ZHANGFENG, LONG PINGBING, LI KUNYANG, ZUO ZHIGANG, TANG HAIJUN, LIU LIFENG, PAN DONGSHENG, MU ALONG, ZHANG JUN
Принадлежит:

The invention relates to the technical field of tunnel construction, in particular to a method, a device, equipment and a system for scanning an object in a tunnel and a medium. Initial data information of the tunnel is obtained, then whether the initial data information meets preset requirements or not is judged, and when the preset requirements are met, the object in the tunnel is scanned according to preset precision parameters; according to the method, the scanning scheme of the tunnel is obtained, and finally, the scanning scheme is utilized to scan the tunnel to obtain the scanning data of the tunnel, so that the contour data of the tunnel formed during excavation construction of the tunnel can be accurately obtained during specific implementation; technicians can accurately judge whether the over-excavation and under-excavation areas exist in the tunnel construction area or not according to the contour data, and the defect that the judgment result is inaccurate in the mode that a ...

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Номер записи: 25
13-06-2023 дата публикации

Frame body safety monitoring method

Номер: CN116256023A
Автор: LIU LIFENG, PENG KAI, ZHANG JIANGTAO, YAN RENZHANG, MA RUICHENG, ZOU YANG, HE DONG, ZHAO XUBO
Принадлежит:

The invention discloses a frame body safety monitoring method, the frame body safety monitoring method is used for monitoring the state of a frame body, and the frame body safety monitoring method comprises the following steps: obtaining an early warning threshold value of the frame body; monitoring the frame body to obtain monitoring data on the frame body; and comparing the monitoring data with an early warning threshold value, and judging whether the frame body is stable or not. The invention aims to monitor the stress and settlement deformation of the frame body through the frame body safety monitoring method, so that the stress and deformation conditions of the frame body can be known in real time, the hidden danger of the frame body can be found and eliminated in time, the construction safety is ensured, and accidents are avoided.

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Номер записи: 26
28-07-2023 дата публикации

Crystallization blockage removing device for drainage pipeline

Номер: CN116497926A
Автор: WANG HENG, QIAO HENG, HAO ZHE, YANG SHAOLIN, SUN YU, XIE YOUJUN, LI NING, ZHU JUNTAO, GUO GAOPENG, LIANG XINQI, LIU LIFENG, DU CHI, HU CHENGZHEN, ZHANG XI, YUAN ZUKUAN, LI CHENFENG, YANG LI, WANG LIN
Принадлежит:

The invention discloses a drainage pipeline crystal blockage removing device which comprises a first shell, a motor is arranged in the first shell, a rotating shaft of the motor is in transmission connection with a brush roller through a transmission rod, a circulating mechanism is arranged on the transmission rod, and the circulating mechanism comprises a guide sleeve fixedly arranged on the transmission rod in a sleeving mode. The outer side wall of the guide sleeve is provided with a spiral first groove and a spiral second groove, the guide sleeve is movably sleeved with a second shell, the second shell is provided with a sliding groove, the sliding groove is slidably provided with a sliding buckle, the sliding buckle is movably provided with a guide rod in a penetrating mode, and the inner side end of the guide rod is provided with a sliding block. The sliding block is arranged in the first groove and/or the second groove in a sliding mode, the guide rod is sleeved with a spring, and ...

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Номер записи: 27
04-07-2023 дата публикации

Dual-frequency-conversion control circuit, anode furnace control system and use method of anode furnace control system

Номер: CN116388645A
Автор: RAN XIANGTAO, LIU LIFENG, CAO KEFEI
Принадлежит:

The invention provides a dual-frequency conversion control circuit, an anode furnace control system and a use method thereof, the dual-frequency conversion control circuit comprises a power supply circuit which comprises a main power supply and an emergency power supply, and the emergency power supply is provided with an inversion module; the frequency conversion circuit comprises a first branch and a second branch which are arranged in parallel, and the output end is connected with the terminal equipment; and the control module is connected with the power supply circuit and the frequency conversion circuit, monitors the working states of the power supply circuit and the frequency conversion circuit, controls the main power supply to supply power to the frequency conversion circuit when the voltage of the main power supply is within a preset range, and controls the emergency power supply to supply power to the frequency conversion circuit if the voltage of the main power supply is within ...

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Номер записи: 28
23-06-2023 дата публикации

Tunnel scanning method and device, equipment and storage medium

Номер: CN116294998A
Автор: ZOU FULIANG, ZHU PENGGANG, GUO ZHANGFENG, CHEN QIANG, LONG PINGBING, LI KUNYANG, ZUO ZHIGANG, TANG HAIJUN, LIU LIFENG, PAN DONGSHENG
Принадлежит:

The invention discloses a tunnel scanning method, device and equipment and a medium, and relates to the field of tunnel scanning. The method comprises the following steps: acquiring scanning data of any target of each observation station; the tunnel target array comprises a preset target and at least two targets to be measured, the preset target is arranged on a tunnel plane in a closed ring shape, the preset target is located outside a tunnel portal, and each measuring station is located between the corresponding two adjacent targets to be measured; scanning data by using a closed-loop scanning line method to obtain measurement data of the preset target; obtaining a translation amount correction value of each target to be measured according to the measurement data and the actual data of the preset target; obtaining an angle correction value of each to-be-measured target through the coordinate conversion matrix of two adjacent to-be-measured targets; correcting the scanning data by the ...

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Номер записи: 29
23-05-2023 дата публикации

Ceramic tile surface glaze pit defect detection method, system and device

Номер: CN116148273A
Автор: CAO ZHI, MAI HAOHUANG, LIU LIFENG
Принадлежит:

The invention discloses a ceramic tile surface glaze crater defect detection method, system and device. The method comprises the following steps: S1, acquiring a first image and a second image of a ceramic tile; s2, acquiring a first ceramic tile area image in the first image, and acquiring a second ceramic tile area image in the second image; s3, analyzing the first ceramic tile area image to obtain a feature area in the first ceramic tile area image; s4, mapping the feature region into the second tile region image, and expanding the feature region at the same time; and S5, judging whether the feature region mapped on the second ceramic tile region image meets a defect condition, and if so, judging that the feature region has a glaze crater defect. The method combines the first image and the second image to jointly position the glaze crater defect which is difficult to confirm on the surface image of the ceramic tile, coordinates of the mapped feature area in the first image and the second ...

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Номер записи: 30
02-05-2023 дата публикации

Tunnel construction project amount measuring and calculating method, device and equipment and storage medium

Номер: CN116049945A
Автор: ZOU FULIANG, ZHU PENGGANG, LI KUNYANG, HE WENJIAN, TANG HAIJUN, GUO ZHANGFENG, CHEN QIANG, LONG PINGBING, ZUO ZHIGANG, LIU LIFENG, PAN DONGSHENG
Принадлежит:

The invention discloses a tunnel construction project amount measuring and calculating method, device and equipment and a storage medium, and belongs to the field of building construction.The excavation point cloud data of the surface of the inner wall of a tunnel are obtained in a three-dimensional laser scanning mode, and the excavation mileage and the excavation area of the tunnel are determined according to the excavation point data; therefore, the tunnel construction project amount is determined according to the tunnel mileage and the excavation area, and the excavation amount and the primary support sprayed concrete amount can be accurately calculated during real-time follow-up tunnel excavation, so that the project construction quality is ensured.

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Номер записи: 31
07-04-2023 дата публикации

Construction method for large-area special-shaped aluminum plate suspended ceiling of irregular arc-shaped structure

Номер: CN115929048A
Автор: LIU LIFENG, HAN JIANJUN, ZHANG WENTING, YANG ZHENGUANG, LI ZHENG, GUO CHUNYU
Принадлежит:

The invention relates to the technical field of suspended ceiling construction, in particular to a construction method for a large-area special-shaped aluminum plate suspended ceiling of an irregular arc-shaped structure. Comprising the following steps: S1, entity measurement; s2, BIM deepening design is conducted, a layout drawing is drawn, and an aluminum plate machining drawing is drawn; s3, making a material processing plan; s4, construction of a profile steel transfer layer; s5, shock insulation treatment is conducted on the pipeline dense area and the lower portion of the large equipment; s6, positioning the primary keel and the secondary keel; s7, laying a pipeline, and initially placing end equipment in place; s8, mounting an aluminum plate; and S9, mounting a movable access hole and equipment. According to the construction method, the construction quality of large-area special-shaped aluminum plate installation is guaranteed, and the progress and the first-pass yield of aluminum ...

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Номер записи: 32
16-05-2023 дата публикации

Formula capable of protecting osteogenic differentiation and remarkably enhancing bone induction effect

Номер: CN116115735A
Автор: LIU LIFENG, QIAO WENZE, SUN JUN, WU LE, FANG NAN, GAO SHUO
Принадлежит:

The invention provides a formula capable of protecting osteogenic differentiation and remarkably enhancing an osteoinduction effect. The formula specifically comprises melatonin and BMP2 (bone morphogenetic protein 2). The melatonin and the BMP2 in the formula are combined for use, so that the osteogenesis environment can be remarkably improved, the bone induction effect can be remarkably enhanced, the effect of 1 + 1 > 2 is really realized, and the melatonin and the BMP2 can play the effect to the maximum extent according to the proportion of 1.935 * 10 < 3 >; compared with single application of the BMP2 or the melatonin, the combined use of the melatonin and the BMP2 obviously enhances the osteogenic differentiation effect.

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Номер записи: 33
04-08-2023 дата публикации

Train control transponder message setting method and system

Номер: CN116534090A
Автор: XIE BAOJUN, CHEN DEWEI, ZHU MING, WANG XUELIN, LIU LIFENG, CHEN TAN, SHI BIN, YANG CHENG, LI JUAN, XU ZHIXUE, CHENG YIJIA
Принадлежит:

The invention relates to the technical field of train operation control systems, in particular to a train control transponder message setting method and a train control transponder message setting system. And if the distance between the CZ transponder group arranged on the main line of the station and the outbound signal machine is greater than the preset distance of the partial vehicle-mounted equipment type, supplementing the line data between the CZ active transponder and the outbound signal machine in the CTCS-1 information. According to the method, the line data between the CZ active transponder and the outbound signal machine is supplemented, so that the train runs in a high-efficiency and high-safety complete monitoring mode all the time, and the situation that the train runs in a low-efficiency and dangerous-side partial monitoring mode due to lack of transponder information is avoided; and the vehicle-mounted equipment is triggered to brake and stop when the throat area turns the ...

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Номер записи: 34
28-07-2023 дата публикации

Vocs mass spectrum ion fragment peak region identification method and device based on deep learning

Номер: CN116500118A
Автор: SHI LEI, CHENG PING, JIA BIN, LIU JIXING, SHI CHONGLI, ZHANG JIAN, LIU LIFENG, XU WEIJIA, WANG WENZHONG
Принадлежит:

The invention provides a Vocs mass spectrum ion fragment peak region identification method and device based on deep learning, and the method comprises the steps: obtaining a target Vocs mass spectrum, inputting the target Vocs mass spectrum into a trained target DeepGCMSPeak model, and enabling the target DeepGCMSPeak model to comprise a first CNN network and a second CNN network; identifying a target ion fragment peak region from the target Vocs mass spectrum through a first CNN network; inputting the target ion fragment peak region into a second CNN network, and identifying a target region area of the target ion fragment peak region through the second CNN network; and determining the target ion fragment peak region and the target region area as a target recognition result of the target Vocs mass spectrum. According to the technical scheme provided by the embodiment of the invention, the target ion fragment peak region and the target region area can be respectively identified through the ...

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Номер записи: 35
02-06-2023 дата публикации

Point cloud hole repairing method and system based on original depth image

Номер: CN116205812A
Автор: HE FUQIANG, MAI HAOHUANG, GUO JIAJIA, LIU LIFENG
Принадлежит:

The invention relates to a point cloud hole repairing method and system based on an original depth image. The method comprises the steps that S1, the original depth image, the size of a filtering kernel and the number of iterations are acquired; s2, dividing the original depth image into an effective region and a to-be-processed region; s3, dividing the to-be-processed region into an invalid region and a to-be-filled region; s4, performing normalization processing to obtain a normalized image; s5, multiplying the normalized image by the original depth image to obtain an effective image; s6, counting the sum of pixel values in a pixel point filtering kernel of the normalized image, and recording the sum to an effective point number list; counting the sum of pixel values in a pixel point filtering kernel of the effective image, and recording the sum to an effective point depth value list; s7, dividing the effective point depth value list by the effective point number list to obtain a filling ...

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Номер записи: 36
23-05-2023 дата публикации

Tunnel scanning method and device, equipment and storage medium

Номер: CN116147480A
Автор: ZHU PENGGANG, ZOU FULIANG, LONG PINGBING, HE WENJIAN, LI KUNYANG, TANG HAIJUN, GUO ZHANGFENG, ZUO ZHIGANG, LIU LIFENG, PAN DONGSHENG, MU ALONG
Принадлежит:

The invention discloses a tunnel scanning method, device and equipment and a medium, and relates to the field of tunnel scanning. Acquiring scanning data of any target of each observation station; scanning data by using an attached line scanning method to obtain measurement data of the at least two targets to be measured; according to the measurement data of the at least two preset targets and the actual data of the at least two preset targets, translation correction values of the to-be-measured targets are obtained; obtaining an angle correction value of each to-be-measured target according to the coordinate transformation matrix of two adjacent to-be-measured targets; translating the correction value and the angle correction value, and correcting each piece of scanning data to obtain corrected scanning data; obtaining the coordinates of each target to be measured in the global coordinate system according to the corrected scanning data; the global coordinate system is a coordinate system ...

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Номер записи: 37
09-06-2023 дата публикации

Telecommunication fraud detection method and device and electronic equipment

Номер: CN116246660A
Автор: BAO SHANGCE, ZHANG CHONGZHENG, WANG YUEHONG, LIU LIFENG, WANG WENZHONG, MU JIANKANG, CHEN XIAOMENG, XU SONGTAO, LYU XIN, ZHANG JIANJUN
Принадлежит:

The invention discloses a telecommunication fraud detection method and device and electronic equipment, and the method comprises the steps: carrying out the feature extraction of a target audio through employing a sound sequence, and obtaining a sound embedding vector comprising an emotion feature; identifying a text of the target audio, comparing each word in the text with a preset word bank in multiple language dimensions, and generating a language style vector; fusing the sound embedding vector and the language style vector through a deep learning model comprising a convolutional neural network and a recurrent neural network to obtain a fused feature vector comprising sound features and language style features; and detecting whether the target audio belongs to the audio of telecommunication fraud through the deep learning model. The method is high in telecommunication fraud detection accuracy and high in detection efficiency, and can be widely applied to the field of telecommunication ...

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Номер записи: 38
27-08-2021 дата публикации

Line speed stabilizing device for paper web entering pressing part

Номер: CN214061069U
Автор: LIU LIFENG, LIANG WENWEI, SHI JIANJUN, SONG FENG, 刘立峰, 梁文伟, 石建军, 宋峰
Принадлежит: MCC PAPER YINHE CO LTD, MCC PAPER YINHE CO., LTD., 中冶纸业银河有限公司

The utility model provides a linear speed stabilizing device for a paper web entering a pressing part, and mainly relates to the field of pulping and papermaking accessory equipment. A paper web linear speed stabilizing device entering a pressing part comprises two mounting bases, supports are mounted on one sides of the mounting bases, supporting rods are mounted on the opposite faces of the two supports, ultrasonic range finders are mounted on the opposite faces of the two supporting rods, and a paper web is placed between the two ultrasonic range finders. And the ultrasonic range finder is connected with the control system through a circuit. Compared with the prior art, the paper web detection device has the beneficial effects that the ultrasonic range finder is arranged, so that the paper web can be automatically detected, the linear speed of the paper web can be automatically regulated and controlled, the paper web is ensured to stably enter a pressing part of a paper machine, the ...

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Номер записи: 39
28-04-2023 дата публикации

Surface quenching method for large-diameter pole piece roller

Номер: CN116024404A
Автор: SUN KUNFENG, HUA HUIQING, QIN BO, LIU LIFENG
Принадлежит:

The invention discloses a surface quenching method for a large-diameter pole piece roller, and belongs to the field of heat treatment, in the actual production process, a product sequentially passes through a power frequency inductor (50HZ) and a medium frequency inductor (250HZ) and then is subjected to water spray quenching, according to different materials, the power frequency heating temperature is controlled to be 830-870 DEG C, the medium frequency heating temperature is controlled to be 905-945 DEG C (the heating temperature changes along with the different materials), and the heating temperature is controlled to be 830-870 DEG C and the medium frequency heating temperature is controlled to be 905-945 DEG C according to the different materials. And the cooling time is controlled to be 0.5-1.0 h. The double-frequency quenching mode is adopted to replace an original power frequency quenching mode, meanwhile, the double-frequency quenching parameters are optimized, the automatic control ...

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Номер записи: 40
15-08-2023 дата публикации

Driving device of hot cathode ionization gauge

Номер: CN116599519A
Автор: WANG LEI, LIU LIFENG, XIONG HUI, DU CHUNLIN, WANG BOCHENG, HE LIANGWU
Принадлежит:

The invention discloses a driving device of a hot cathode ionization gauge. The driving device comprises a control module, an SPWM driving module, a voltage transformation module, a filtering output module and a feedback module. The control module is used for sending an SPWM pulse signal to the SPWM driving module, receiving a feedback signal from the feedback module and adjusting the SPWM pulse signal according to the feedback module; the SPWM driving module is used for receiving the SPWM pulse signal and driving the voltage transformation module to work according to the SPWM pulse signal; the voltage transformation module is used for being driven by the SPWM driving module, converting input voltage into target voltage and outputting the target voltage; the filtering output module is used for filtering the target voltage and outputting the target voltage to the hot cathode ionization gauge; and the feedback module is used for collecting the current signal output by the filtering output ...

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Номер записи: 41
25-04-2023 дата публикации

Method and device for place access management and related equipment

Номер: CN116012991A
Автор: LIU LIFENG, GAO CANJIN, LI XIN, LI TAIRAN
Принадлежит:

The invention discloses a place access management method and device and related equipment, a place at least comprises a first entrance guard and a second entrance guard, if a first user initiates an entry request operation at the second entrance guard of the place, the second entrance guard verifies the first user, and if the first user initiates an entry request operation at the second entrance guard of the place, the second entrance guard verifies the first user; a first verification result used for indicating that the first user is a legal user of the place is obtained, and the second access control shares the first verification result to other access controls of the place; if the first user initiates an entry request operation at a first access control of the place, the first access control receives a first request comprising the identifier of the first user, and the first access control determines that the identifier of the first user in the first request is matched with a first verification ...

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Номер записи: 42
23-05-2023 дата публикации

Multi-modal data integrated management method and device and medium

Номер: CN116150320A
Автор: ZHANG JIANJUN, WANG WENZHONG, LIU LIFENG, WANG LINDONG, DIAO HAIFENG, MU JIANKANG
Принадлежит:

The invention provides a multi-modal data integrated management method and device and a medium. The multi-modal data integrated management method comprises the following steps: executing temporary storage on accessed first multi-modal data; performing preprocessing on the first multi-modal data to obtain second multi-modal data; extracting the second multi-modal data to obtain metadata including data features, data sources and storage positions; and storing the metadata in the corresponding data storage mode. Unified integration of text, sound and visual data is achieved through a customizable algorithm, metadata of the text, sound and visual data is extracted in a unified mode through an ontology model/meta-model, multi-modal unified storage is achieved through object storage and a structured storage mode, and multi-modal storage of the text, sound and visual data is achieved by means of the metadata and object storage technology. Unified management of high-reliability and high-performance ...

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Номер записи: 43
12-05-2023 дата публикации

Tunnel deformation analysis method and device, equipment and storage medium

Номер: CN116105617A
Автор: ZOU FULIANG, ZHU PENGGANG, HE WENJIAN, LI KUNYANG, TANG HAIJUN, GUO ZHANGFENG, CHEN QIANG, LONG PINGBING, ZUO ZHIGANG, LIU LIFENG, PAN DONGSHENG
Принадлежит:

The invention discloses a tunnel deformation analysis method, device and equipment and a storage medium, and relates to the field of buildings. The method comprises the following steps: acquiring first point cloud data of a tunnel and second point cloud data of the tunnel; generating a reference model curved surface according to the first point cloud data; determining at least one point to be compared from the second point cloud data; determining the distance between at least one to-be-compared point and the reference model curved surface; and determining deformation information of the tunnel according to the at least one distance. According to the invention, tunnel deformation can be effectively and accurately detected.

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Номер записи: 44
25-04-2023 дата публикации

Point cloud data processing method and device, equipment and storage medium

Номер: CN116012425A
Автор: ZOU FULIANG, ZHU PENGGANG, LONG PINGBING, LI KUNYANG, TANG HAIJUN, GUO ZHANGFENG, CHEN QIANG, ZUO ZHIGANG, LIU LIFENG, PAN DONGSHENG
Принадлежит:

The invention discloses a point cloud data processing method and device, equipment and a storage medium, and belongs to the field of tunnel data processing. According to the method, after the first point cloud data set, the second point cloud data set and the curved surface data of the surface of the inner wall of the tunnel are obtained, the neighborhood fitting is performed on the first point cloud data set and the second point cloud data set according to the curved surface data to obtain the registered point cloud data, so that iterative calculation is not needed, and the accuracy of the registered point cloud data is improved. And the time consumed by point cloud data set registration is reduced, so that rapid registration of the point cloud data set is realized.

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Номер записи: 45
08-06-2016 дата публикации

Semi -automatization assembly jig

Номер: CN0205290216U
Автор: CHEN YIMIN, WANG YUWEN, ZHOU CHENG, LIU LIFENG, YU SHIHE, CHEN ZIZHONG, SHEN JINMING, ZHOU HENGZHI, LI XIAOQUAN
Принадлежит:

... 本实用新型提供了种半自动化拼装台，包括底部的两个拼装台（6）、分别设在两个拼装台（6）上的两个支撑架（5）、分别设在两个支撑架（5）上的两个液压系统（1）、分别与两个液压系统（1）相连的两个企口板（2）、同时与两个企口板（2）相连的筒体（3）和设在筒体（3）内部的磁性内模（4）。本实用新型的半自动化拼装台，由磁性内模4通过磁力开关实现筒体3的吸紧和放松。通过液压系统1控制N条油缸瞬间即可完成企口板2的压紧和放松，这样做的效果大为提高了工作效率，以减轻工人的劳动强度，是种可以在行业内推广的方法。 ...

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Номер записи: 46
28-07-2023 дата публикации

Warm manikin test system based on three-dimensional virtual technology

Номер: CN116500244A
Автор: XU HUADONG, WANG LIANG, DU ZHAOQUN, SHAN XUELEI, DING WENSHENG, LIU LIFENG, WANG YUE, CHEN HOUSONG
Принадлежит:

The invention provides a thermal dummy test system based on a three-dimensional virtual technology, and relates to the technical field of clothing testing, and the system comprises a thermal dummy body, a motion control system, and a test control system and a monitoring terminal which are arranged on the thermal dummy body. The thermal dummy body is connected to the test support, and the surface of the thermal dummy comprises a plurality of groups of independent heating areas; the motion control system is used for controlling the thermal dummy body to move dynamically according to the received control signal; the test control system is used for outputting a control signal to the motion control system according to parameter information input by a user, and performing temperature control, breathing simulation and sweating simulation on the thermal dummy body; the monitoring terminal is used for testing interaction of a user and conducting three-dimensional simulation and display on the testing ...

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Номер записи: 47
02-06-2023 дата публикации

Paralleling reactor, paralleling reactor processing method, paralleling reactor processing device and voltage transformation system

Номер: CN116206877A
Автор: GUAN JUNJUN, ZHANG JIE, LIU LIFENG, TAO WEIGUANG
Принадлежит:

The invention discloses a paralleling reactor, a paralleling reactor processing method, a paralleling reactor processing device and a voltage transformation system. The method comprises the steps that a to-be-adjusted shunt reactor is obtained, and the to-be-adjusted shunt reactor comprises an on-load switch, an iron core, a main winding, a first coarse adjustment winding and a first fine adjustment winding; the structure of the to-be-adjusted shunt reactor is adjusted, a target shunt reactor is obtained, and the target shunt reactor is the above shunt reactor. The shunt reactor solves the technical problem of large leakage reactance between the coarse tuning winding and the fine tuning winding of the shunt reactor in the prior art.

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Номер записи: 48