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76results about How to "Obvious and Understandable Features" patented technology

Task queue execution time prediction method and device and implementation device

The invention provides a task queue execution time prediction method and device and an implementation device. The method is applied to a server. The method comprises the steps of obtaining a to-be-processed task queue; Wherein the to-be-processed task queue comprises a plurality of to-be-processed sub-tasks; Determining basic parameters of each to-be-processed sub-task according to the to-be-processed task queue; Wherein the basic parameters comprise a concurrent state and complexity; Obtaining resource parameters of the server; Wherein the resource parameters comprise the CPU occupancy rate,the input / output port utilization rate and the memory occupancy rate of the host process; And predicting the execution time of the to-be-processed task queue according to the basic parameters, the resource parameters and the pre-obtained task execution average time. According to the method, the execution time of the to-be-processed task queue is reasonably predicted, and the resource scheduling optimization efficiency in the service queue application scene is improved.
Owner:BEIJING SEEYON INTERNET SOFTWARE CORP

Shale oil horizontal well deployment method and device

The invention provides a shale oil horizontal well deployment method and device. The method includes the following steps that structure contour data and dessert distribution data of a target area areobtained; according to the structure contour data and the dessert distribution data, a favorable drilling exploration area of a horizontal well and a horizontal section distribution area of a to-be-deployed horizontal well in a target area are determined; one secant is set in the horizontal section distribution area, in the range of the favorable drilling exploration area of the horizontal well, the average value of the included angles between the secant and structure contour normals is calculated, and the maximum intersection distance between the intersections of the secant and structure contours and the intersection of the secant and a boundary line of the dessert distribution data is calculated; according to the average value of the included angle and the maximum intersection distance,the direction of the to-be-deployed horizontal well is determined; according to the direction of the to-be-deployed horizontal well, an entrance window point, a control point and a drilling finishingpoint of a horizontal section of the to-be-deployed horizontal well are determined. The method can achieve quantitative deployment of the shale oil horizontal well in a fracture zone.
Owner:PETROCHINA CO LTD

Method and device for predicting pore pressure of three-dimensional shale reservoir, and electronic device

The invention provides a method and a device for predicting pore pressure of a three-dimensional shale reservoir, and an electronic device. The method comprises the steps that an overlying strata pressure and a longitudinal wave modulus of the shale reservoir in a region to be predicted are determined according to a density logging curve and a longitudinal wave velocity logging curve; the really-measured pore pressure value of the shale reservoir is taken as a constraint condition, and the longitudinal wave velocity logging curve, a shale-reservoir equivalent stress and the longitudinal wave modulus are fitted through the way of multiple linear regression to obtain fitting parameters; a wave impedance data volume, a density data volume and a longitudinal wave velocity data volume of the region to be predicted are obtained through a logging-constrained wave impedance inversion; a reservoir overlying strata pressure data volume, a longitudinal wave modulus data volume and a shale-reservoir equivalent stress data volume are further determined; and the pore pressure of the shale reservoir is determined finally. According to the device, the prediction accuracy and reliability of the pore pressure are improved, the application range is wide and the prediction results are visible.
Owner:EXPLORATION & DEV RES INST OFSINOPEC JIANGHAN OILFIELD +1

Signal noise reduction method and device

The embodiment of the invention provides a signal noise reduction method and device; the method comprises the following steps: using discrete partial discharge signals to build a first Hankel matrix;carrying out singular value decomposition and rank annihilation for the first Hankel matrix so as to obtain a first rank annihilation matrix; carrying out singular spectrum analysis for the first rankannihilation matrix so as to obtain a second Hankel matrix; using a deck algorithm to iterate the second Hankel matrix so as to realize dimension reduction, thus obtaining a target rank annihilationmatrix after a preset iteration number; using a first column element and a last column element of the target rank annihilation matrix to form a low rank filtered signal, thus obtaining a noise reduction partial discharge signal. The method introduces the deck algorithm for rank annihilation in the noise reduction process, thus removing noises in the partial discharge signals, and well keeping valid signals.
Owner:SHENZHEN FRIENDCOM TECH DEV

Wireless upgrade method and apparatus

The invention provides a wireless upgrade method and apparatus. The method is applied to a wireless device that is in communication connection with a gateway device. The wireless device is separatelypowered by large current and small current within a protocol cycle, the wireless device communicates with the gateway device during the large current power supply, and the wireless device sends a message to the gateway device within the protocol cycle. During the large current power supply, the message is sent to the gateway device, and a reply message is received within a preset waiting time to establish a wireless connection, confirm upgrade start and obtain upgrade mirror image data. Every time when the wireless device obtains a mirror image slice, the wireless device upgrades according toeach mirror image slice. The wireless device repeatedly obtains the mirror image slice until all mirror image slices of the upgrade mirror image data are received. The preset waiting time is smaller than a difference between the protocol cycle and the message sending time. Therefore, the wireless device accomplishes the wireless upgrade in the case of failing to continuously provide the large current.
Owner:SHENZHEN GALAXYWIND NETWORK SYST

Target segmentation method and device

ActiveCN109727265ASolve the problem of inaccurate target recognitionObvious and understandable featuresImage analysisRegion detectionPre treatment
The invention relates to the technical field of image processing, and provides a target segmentation method and device, and the method comprises the steps: carrying out the detection of a connected region of a preprocessed image, obtaining at least one first connected region, and obtaining an external rectangle corresponding to each first connected region, and obtaining the rectangular informationof the external rectangle; When the rectangular information corresponding to the first communication area is consistent with the preset form information, determining the first external rectangle corresponding to the first communication area as a target external rectangle; When the rectangular information corresponding to the first communication area is inconsistent with the preset form information, obtaining a second communication area, determining a second communication area from the at least one first communication area, dividing and screening the second communication area to obtain a thirdcommunication area in which rectangular information of the external rectangle is consistent with preset form information, and taking the external rectangle corresponding to the third communication area as a target external rectangle; carrying out Target segmentation on the to-be-processed image according to all the target circumscribed rectangles. The problem that the adjacent targets in the SARimage cannot be accurately segmented is solved.
Owner:BEIJING AUTOROAD TECH CO LTD

Relay state detecting circuit and method thereof

The invention provides a relay state detecting circuit and a method thereof, and relates to the technical field of electric vehicles. The relay state detecting circuit comprises a controller, a powersupply main circuit and a first detecting branch, wherein the power supply main circuit comprises a first power source, a main negative relay and a pre-charge relay group; one end of the main negativerelay connected in parallel to the pre-charge relay group is electrically connected to the negative pole of the first power source, the pre-charge relay group comprises a pre-charge relay, the otherend of the main negative relay connected in parallel to the pre-charge relay group is electrically connected to the first detecting branch, the input end of the first detecting branch is electricallyconnected to a second power source, the first detecting branch comprises a voltage collecting device, and the controller is electrically connected to the main negative relay, the pre-charge relay, andthe voltage collecting device, respectively. The relay state detecting circuit and the method thereof provided by the invention have the advantages of determining a specific relay in which a bondingfailure occurs when a relay has a bonding failure, and facilitating subsequent repairing.
Owner:HAIMA AUTOMOBILE CO LTD +1

Peristaltic pump

The invention provides a peristaltic pump which comprises a rack, a rocker assembly, a pressing block, a pump pipe fixing assembly, a driving motor and a roller assembly, the driving motor is installed in the rack, an output shaft of the driving motor is sleeved with the roller assembly, a pump pipe is placed on the roller assembly, and the rocker assembly is connected with the roller assembly. The roller assembly is used for pushing the pump pipe to creep for liquid supply under the driving of the driving motor, the pump pipe fixing assembly is fixedly connected to the rack and used for fixing the two ends of the pump pipe, the rocker assembly is rotationally arranged on the rack, the pressing block is arranged on the rocker assembly, and the pump pipe fixing assembly is used for fixing the two ends of the pump pipe. And the rocker assembly can drive the pressing block to be close to the rolling wheel assembly so as to be matched with the rolling wheel assembly to press the pump pipe on the rolling wheel assembly. The two ends of the pump pipe are fixed through the pump pipe fixing assembly, it is guaranteed that the pump pipe is not prone to moving and falling off, and the pressing block is tightly attached to the pump pipe to prevent liquid in the pump pipe from flowing back.
Owner:美高怡生生物电子科技(北京)有限公司

Photosensitive glue composition, photosensitive conductive glue composition and electronic device containing photosensitive conductive glue composition

The invention provides a photosensitive glue composition comprising 10-90 parts by weight of a monomer having a vinyl ether functional group; 10-90 parts by weight of tertiary amine polymer; and 0.5-10 parts by weight of photoacid type initiator, wherein the weight average molecular weight of the tertiary amine polymer is within 2000-20000. The invention also provides a photosensitive conductive glue composition and an electronic device containing the photosensitive conductive glue composition.
Owner:IND TECH RES INST

Composite material winding regeneration cooling thrust chamber and processing technology

The invention provides a composite material winding regenerative cooling thrust chamber and a machining process, and relates to the field of liquid rocket engines. The composite material winding regeneration cooling thrust chamber comprises a thrust chamber body and a composite material layer. A cooling groove is formed in the outer side wall of the thrust chamber body; the composite material layer is arranged on the thrust chamber body in a sleeving mode, the composite material layer wraps the cooling groove to form a cooling channel, and the composite material layer is formed by winding composite fibers on the thrust chamber body. The outer side wall of the thrust chamber body provided with the cooling groove is equivalent to an inner shell of a sandwich structure, and the composite material layer arranged on the thrust chamber body in a sleeving mode is equivalent to an outer shell of the sandwich structure. Due to the fact that the composite material layer is formed by winding the composite fibers on the thrust chamber body, a brazing process is not adopted in the machining process, the wall thickness of the thrust chamber body and the height of the cooling channel are not limited by brazing technical conditions, the wall thickness of the thrust chamber body can be smaller, the height of the cooling channel can be lower, and therefore the cooling effect of the cooling channel is improved.
Owner:BEIHANG UNIV

Waterproof internal and external corner prefabrication construction method

The invention provides a waterproof internal and external corner prefabrication construction method, and belongs to the field of building construction. The waterproof internal and external corner prefabrication construction method comprises the following steps of obtaining a construction drawing of a construction site; according to the size, recorded in the construction drawing, of the construction site, calculating the size and the number of the internal corner prefabricated blocks, the vertical face external corner prefabricated blocks and the top external corner prefabricated blocks; manufacturing internal corner prefabricated blocks, vertical face external corner prefabricated blocks and top external corner prefabricated blocks; constructing a foundation, and building a brick blank film; plastering the surface of the brick wall to form a plaster layer; and pouring a cushion layer. The facade internal corner precast block, the bottom internal corner precast block, the brick wall, the facade external corner precast block and the top external corner precast block are built on the foundation, and the brick blank film is formed on the foundation, so that waterproof hollowing at internal and external corner parts of the foundation is avoided, the waterproof quality of the foundation is improved, the construction difficulty of the internal and external corners is greatly reduced, and the construction efficiency is improved.
Owner:CHINA RAILWAY SHANGHAI ENGINEERING BUREAU GROUP CO LTD +1

Rotary cut guide wire and calcification lesion tearing device

The invention provides a rotary cut guide wire and a calcification lesion tearing device. The rotary cut guide wire comprises a guide wire body, a plurality of cutting pieces and at least one attaching piece, wherein the cutting pieces and the attaching piece are arranged on the guide wire body. The multiple cutting pieces are arranged in the circumferential direction of the guide wire body, one side of each cutting piece is rotationally connected with the guide wire body, the other side of each cutting piece is provided with a cutting edge, and the cutting edges are away from the guide wire body when the cutting pieces rotate relative to the guide wire body. The attaching piece enables multiple cutting pieces to be gathered on the surface of the guide wire body, the cutting pieces are not prone to scratching blood vessels when entering the blood vessels along with the guide wire body, and safety is high. A medical worker conveys the cutting pieces to the calcification lesion position through the guide wire body, then the guide wire body is further rotated, the side, connected to the guide wire body, of the cutting pieces is driven to rotate, and the cutting edges of the cutting pieces are blocked by the calcification lesion and do not rotate along with the guide wire body. The cutting pieces overcome the acting force of the attaching piece and rotates relative to the guide wire body, the cutting pieces are gradually unfolded from the folded state, and the cutting edges are gradually away from the guide wire body and cut into the calcification lesion.
Owner:HARBIN MEDICAL UNIVERSITY +1

Transportation cargo type determination method and device, electronic equipment and storage medium

The invention provides a method and device for determining the type of a transported cargo, electronic equipment and a storage medium, and the method comprises the steps: receiving a query request about the type of the transported cargo of a target cargo transport vehicle; searching a first weight value corresponding to each target parking area according to the position information of each target parking area where the target cargo transport vehicle stays in the historical time period; determining a second probability of each transported cargo type corresponding to the target cargo transport vehicle according to a first weight value of each target stop area where the target cargo transport vehicle stops and a first probability of each transported cargo type corresponding to each target stop area; and determining a target transportation cargo type corresponding to the target cargo transportation vehicle based on the second probability of each transportation cargo type corresponding to the target cargo transportation vehicle. According to the method, the importance degree of each parking area is distinguished, so that the accuracy of determining the type of the transported goods of the goods transport vehicle is improved.
Owner:北京汇通天下物联科技有限公司

Electric vehicle electronic lock control circuit in standby power mode and electric vehicle

The invention provides an electric vehicle electronic lock control circuit in a standby power mode and an electric vehicle. The electric vehicle electronic lock control circuit comprises a communication unit, an MCU, a standby battery, a standby power conversion circuit, a linear voltage regulator, an electronic lock driving circuit and an electronic lock. The communication unit, the electronic lock driving circuit and the linear voltage regulator are respectively connected with the MCU; the standby battery, the linear voltage regulator and the electronic lock driving circuit are respectively connected with the standby power conversion circuit; under the condition that the standby power conversion circuit detects that the power battery is disassembled, the communication unit, the MCU, the linear voltage stabilizer, the electronic lock driving circuit and the electronic lock are powered by first power supply voltage output by the standby battery; the MCU receives instruction information sent by a user terminal through the communication unit and sends the instruction information to the electronic lock driving circuit; the electronic lock driving circuit controls the electronic lock to be opened or closed according to the instruction information; and when the power battery is detached, the standby battery provides electric energy for the electronic lock of the electric vehicle, so that the user experience is improved.
Owner:JIANGSU AIMA VEHICLE SCI & TECH

Micro-LED display module preparation method, display module and display device

PendingCN114420803AAvoiding the effects of light crossingReduce lossSolid-state devicesSemiconductor devicesLED displayLed array
The invention provides a preparation method of a Micro-LED display module, the display module and a display device, and belongs to the field of LED display. The preparation method of the Micro-LED display module comprises the following steps: obtaining or preparing a Micro-LED array; designing a micro-lens array structure diagram according to the Micro-LED array, and preparing a micro-lens array model according to the micro-lens array structure diagram; obtaining the thickness and the light transmittance of the micro-lens structure, selecting a light-transmitting material, and preparing the micro-lens structure through the micro-lens array model; and the micro lens structure is bonded with the Micro-LED array, so that the Micro-LED display module can be formed. According to the Micro-LED module, the light emitting angles of the LED pixel units are shrunk through the micro lenses, the light emitting collimation is improved, the light crosstalk effect of light emitting of the adjacent LED pixel units is effectively avoided, the light emitting loss of the LED pixel units is reduced, and therefore the light emitting brightness of the Micro-LED module is improved.
Owner:SHENZHEN SITAN TECH CO LTD

Method and device for generating neural network, computer equipment and storage medium

The invention provides a method and device for generating a neural network, computer equipment and a storage medium. The method comprises the steps that: a first search space corresponding to a preset network structure unit, a second search space corresponding to a down-sampling processing unit and a third search space corresponding to the size information of a neural network structure are determined, wherein the preset network structure unit and the down-sampling processing unit are used for constructing the neural network structure; based on the first search space, the second search space, the third search space and a training data set corresponding to a preset deep learning task, network structure search is performed to obtain a target neural network structure corresponding to an expected result of the deep learning task; and a target neural network for processing the deep learning task is generated based on the target neural network structure.
Owner:SHANGHAI SENSETIME INTELLIGENT TECH CO LTD

Control method and device of intelligent healthy air conditioner and intelligent healthy air conditioner

The invention provides a control method and device of an intelligent healthy air conditioner and the intelligent healthy air conditioner. The method comprises the steps that an intelligent health starting instruction is obtained, and the intelligent healthy air conditioner is controlled to enter an intelligent health mode; an inner ring temperature and a set temperature are obtained, and a target temperature and humidity adjustment mode is determined according to the inner ring temperature and the set temperature; the CO2 concentration and the PM2.5 concentration are obtained so as to determine a target air adjustment mode and a target auxiliary air speed control mode; and the intelligent healthy air conditioner is controlled to operate according to the target temperature and humidity adjustment mode, the target air adjustment mode and the target auxiliary air speed control mode until the intelligent health mode is quitted, the temperature, the humidity and the air quality are adjusted at the same time, so that the indoor temperature and humidity, the CO2 concentration and the PM2.5 concentration are kept in the human body comfort state, and the comfortable experience degree of the user is improved.
Owner:NINGBO AUX ELECTRIC +1

Split type floating fan base and floating fan

The invention provides a split type floating fan base and a floating fan. The split type floating fan base comprises a first buoy, a plurality of second buoys, a connecting rod, a plurality of suspension cables and a balance weight part. The volume of the first buoy is greater than that of the second buoy; the first buoy is provided with a connecting assembly used for being connected with a draught fan. The second buoys are connected with the first buoy through connecting rods; the plurality of second buoys are distributed at equal intervals and are rotationally and symmetrically distributed, and the first buoy is located at the central position of the plurality of second buoys; and each second buoy is connected with the counter weight through a suspension cable. According to the split type floating fan base, on the basis of the configuration of the large first buoy and the multiple small second buoys and the structure that the bottoms of the multiple second buoys are connected with the balance weight pieces, the effect that the waterline area is small but large restoring torque can be provided is achieved, the whole split type floating fan base has excellent stability, small enough pitching and rolling freedom degree dynamic response can be kept, and arrangement of the floating fan is facilitated.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

Target detection method and device, electronic equipment and storage medium

The invention provides a target detection method and device, electronic equipment and a storage medium, and the method comprises the steps: carrying out the feature extraction of a to-be-detected image, and obtaining a feature map of the to-be-detected image; based on the feature map, generating a depth map corresponding to a projection area where a target object in the to-be-detected image is projected to the ground; and determining three-dimensional detection information of the target object based on the depth map and the feature map. According to the invention, the projection area is associated with the target object to a certain extent, so that the depth map corresponding to the local ground can pertinently guide the feature map of the target object on the local ground to carry out three-dimensional detection, and the detection precision is improved.
Owner:SHENZHEN SENSETIME TECH CO LTD

Rendering image generation method and device, computer equipment and storage medium

The invention provides a rendered image generation method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining a first rendering model generated after a three-dimensional model of a target object is rendered through a color map; performing position offset processing in a corresponding vertex normal direction and rendering processing of a preset color on vertexes in the three-dimensional model to obtain a second rendering model; and performing display superposition processing on the first rendering model and the second rendering model to obtain a target rendering image.
Owner:BEIJING SWEET SUGARSOFT TECH CO LTD

Hyperspectral image classification method and device and electronic equipment

The invention provides a hyperspectral image classification method and device and electronic equipment, and the method comprises the steps: inputting a target hyperspectral image into a pre-trained feature extraction network model, and outputting the image features of the target hyperspectral image; determining an initial category of each pixel point in the target hyperspectral image based on the image features; inputting the image features into a pre-trained image reconstruction network model, and outputting a reconstructed image of the image features; based on the reconstructed image and the target hyperspectral image, determining a reconstruction loss value of each pixel point in the reconstructed image; and determining a final category of the pixel points according to the reconstruction loss value and the initial category. In the mode, the extracted image features are reconstructed to restore the features of the target hyperspectral image as far as possible, the reconstructed image is obtained, the pixel points of the unknown class can be determined according to the reconstructed image and the target hyperspectral image, and the accuracy of the classification result is improved.
Owner:YUNNAN UNIV

Data processing method and device, electronic equipment and storage medium

The invention provides a data processing method and device, electronic equipment and a storage medium, and the method comprises the steps of obtaining a calculation graph obtained through compiling based on a target neural network training code, wherein the calculation graph comprises a shape operation relation and a data operation relation, and the shape operation relation and the data operation relation are respectively a shape calculation rule and a data calculation rule corresponding to each network layer in the target neural network represented in a data form; and in response to an execution instruction for the calculation graph, based on the to-be-trained training data and the shape operation relationship and the data operation relationship included in the calculation graph, executing to obtain an execution result for the target neural network training code. According to the method, input training data of various sizes can be compatible in the execution stage, the determined execution result is not prone to errors, the accuracy rate is high, and efficient network training is further ensured.
Owner:SHANGHAI SENSETIME TECH DEV CO LTD

Data prediction method and device, computing equipment and storage medium

The invention provides a data prediction method and device, computing equipment and a storage medium, and the method comprises the steps: obtaining a to-be-tested data set; the data set to be tested comprises at least one type of organic substance and at least one biological attribute; determining a target association relationship between different types of organic substances and different biological attributes; and determining at least one biological attribute of each organic substance based on the determined target association relationship. According to the embodiment of the invention, the target association relationship between different types of organic substances and different biological attributes is automatically determined according to the obtained organic substances and biological attributes in the to-be-tested data set, manual processing is not needed, the time for exploring unknown biological attributes of the organic substances is shortened, and the exploring efficiency is improved.
Owner:SHENZHEN SENSETIME TECH CO LTD

Word bag generation method and device based on feature matching

The invention provides a word bag generation method and device based on feature matching, and the method comprises the steps: obtaining a two-dimensional image video stream which is shot for a target environment, wherein the target environment is an environment corresponding to a map constructed by target equipment during the simultaneous positioning and mapping of SLAM; extracting a feature descriptor of a target feature key point of each image frame in the two-dimensional image video stream by using a feature extraction algorithm, the number of the target feature key points of each image frame in the extracted two-dimensional image video stream being at least one; performing similarity matching on the feature descriptors of the target feature key points of the image frames in the two-dimensional image video stream according to the sequence of the image frames in the two-dimensional image video stream to obtain leaf nodes of the word bag; taking the number of the leaf nodes and the number of the leaf nodes as input parameters and inputting th input parameters into the text clustering model to construct the word bag, and by means of the method, the time consumed for obtaining the word bag can be shortened.
Owner:BEIHANG UNIV

Storage sowing method and sowing system

The invention provides a storage sowing method and a sowing system, and belongs to the field of logistics. The warehousing and sowing method comprises the following steps: feeding goods to be sown to a goods storage rack of a sorting machine; the sorting machine moves to the seeding wall according to the planned path; the to-be-sown material bearing bodies on the sowing wall are taken out and placed on a cargo carrying table of the sorting machine through a cargo taking and placing mechanism on the sorting machine; sowing the goods in the goods storage rack into the material bearing body; the sown material bearing body is transferred to a sowing wall through the goods taking and placing mechanism, and racking is completed. By sharing the seeding wall and the storage area, the utilization rate of space is improved, the number of the storage grids of the seeding wall can be increased according to actual conditions, so that super-large-scale immediate seeding and immediate storage are realized, each cargo is seeded into the corresponding material bearing body through the sorting machine, and the seeding efficiency and the seeding accuracy of the cargo are improved.
Owner:ZHEJIANG GALAXIS TECH GRP CO LTD

Protection method and system for refrigeration system using magnetic levitation refrigeration compressor

The invention provides a protection method and system for a refrigeration system using a magnetic levitation refrigeration compressor, and relates to the field of refrigeration compressor equipment. The method is applied to a refrigeration system including a magnetic levitation refrigeration compressor, a refrigeration circuit, an explosion-proof cabinet circuit, and a measuring element , the method utilizes the refrigerant that does not have the ability to ignite to isolate the ignition source and explosive gas inside the refrigeration compressor, supplemented by a positive pressure shell type explosion-proof scheme to protect the electronic control equipment in the explosion-proof cabinet. Accurately measure the refrigeration system through sensors; gas replacement, normal operation, fault conditions and feedback data to the control system in the explosion-proof cabinet for chain actions to form a complete protection plan.
Owner:浙江飞旋科技有限公司

Improved centerless indentation cutting device

The improved centerless indentation cutting device comprises a mounting frame, a cutting mechanism and an indentation mechanism, and the indentation mechanism comprises a plurality of rolling wheels and indentation wheels; the two indentation wheels are annularly arranged at intervals, and the rolling wheels can abut against the inner rings of the indentation wheels. The cutting mechanism comprises a cutting movable seat and a cutting saw wheel mounted on the cutting movable seat; the cutting saw wheel is located between the interval grooves of the two indentation wheels. And the cutting movable seat can move relative to the indentation wheel, so that the cutting saw wheel extends out of the outer ring of the indentation wheel. A large-size centerless annular excircle structure is replaced by the indentation wheel, and the indentation wheel is in rolling contact with a carton, so that the indentation wheel is not easy to wear; the cutting saw wheel is replaced by a small saw blade structure, cutting can be carried out by extending the movably mounted cutting movable seat out of the outer ring of the indentation wheel, the manufacturing cost of a single part of the small saw blade is low, and the production and maintenance cost is effectively reduced.
Owner:山东通瑞智能装备有限公司

Welding seam automatic identification anti-bending device

The invention provides a welding seam automatic identification anti-bending device. The welding seam automatic identification anti-bending device comprises: at least one bending machine; a visual identification system; a conveying system; a grabbing robot; and a control system. After a steel plate sample is conveyed to a recognition area of the visual recognition system through the conveying system, the visual recognition system can recognize welding seams on the steel plate sample, and then the grabbing robot transfers the steel plate sample to the bending machine from the conveying system according to the recognition result of the visual recognition system; and finally, the steel plate sample is bent for multiple times by a bending machine, and it is judged whether the weld strength meets requirements according to whether the steel plate sample is broken. In the process, the recognition of the visual recognition system on the welding seam is not influenced by the shape of the steel plate sample, the position of the welding seam on the steel plate sample and other factors, so that the bending machine can bend by taking the welding seam as a reference, and the accuracy of a detection result is ensured.
Owner:上海德托智能工程有限公司

Advertisement putting method and device based on big data, storage medium and server

The invention provides an advertisement putting method and device based on big data, a storage medium and a server. A search article type corresponding to search content input by a user is obtained, the search article type comprises a plurality of search articles of the same kind, and complementary articles and alternative articles associated with each search article can be determined for each search article. Then the plurality of complementary articles are screened by using the forward complementary parameters to determine candidate complementary articles, and the plurality of alternative articles are screened by using the forward alternative parameters to determine candidate alternative articles. In this way, actual demands of the user can be well considered, for example, advertisements of complementary items and alternative items are put, so that the advertisement putting precision can be extremely high, the click rate, the order placing rate and the like can be extremely high, and the advertisement putting effect is greatly improved.
Owner:CHONGQING UNIV OF EDUCATION

Photographic light supplement lamp and light supplement control method

The invention provides a photography light supplement lamp and a light supplement control method. The photography light supplement lamp comprises a lamp shell, a camera support, a lens and a plurality of light plates. Wherein the centers of the lamp shell, the lens and the lamplight plates are the same; a lens through hole is formed in the center of the lamp shell; the camera support is arranged on the back face of the lamp shell and used for being connected with external shooting equipment and enabling a lens light path of the external shooting equipment to penetrate through the lens via hole. The light plates are arranged on the front surface of the lamp shell; the lens is detachably connected with the edge of the lamp shell, the focal length can be adjusted according to the shooting distance to change the size of light spots, and a plurality of lamplight plates are covered. According to the scheme, the light-emitting areas are multiple in shape, the situations that in the prior art, the center area is overexposed and the edge area is too dark can be avoided by controlling the lamplight plates, shooting equipment conducts shooting through the lens via hole through the lens via hole, light rays are more uniform, and clearer images can be generated easily.
Owner:SHENZHEN YONG NUO PHOTOGRAPHIC EQUIP CO LTD
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