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1838results about How to "Accurate location" patented technology

BMS function test system and method for new energy automobile

The invention relates to the technical field of power battery testing, in particular to a BMS function testing system and method for a new energy automobile. The method comprises the following steps: constructing battery pack structure model data according to battery pack CAD design drawing data; collecting vehicle working condition charging and discharging sample data; carrying out adaptive current excitation sequence processing according to the vehicle working condition charging and discharging sample data, and generating multi-working condition disturbance pulse excitation sequence data; performing disturbance magnetic field simulation on the battery pack structure model data through the multi-working-condition disturbance pulse excitation sequence data to obtain working condition test magnetic disturbance response data; and performing battery pack BMS monitoring data acquisition based on the working condition test magnetic disturbance response data, performing BMS current distribution monitoring performance evaluation, and generating BMS current monitoring performance evaluation data. By simulating current excitation and magnetic field response under multiple working conditions, comprehensive evaluation of the BMS performance is realized, and the test accuracy and efficiency are improved.
Owner:SHENZHEN INTELLIWORK TECH CO LTD

Grid-connected point electric energy quality on-line monitoring and automatic diagnosis method

The invention relates to the field of electric energy quality monitoring and diagnosis, in particular to a grid-connected point electric energy quality on-line monitoring and automatic diagnosis method. The method comprises the following steps: calculating effective values and power parameters of voltage and current, extracting the amplitude and phase of each harmonic, and calculating total harmonic distortion; solving a coupling electromagnetic field equation by using an electromagnetic field coupling effect model; based on a time-space evolution model and in combination with an electromagnetic field reflection coefficient, using an anomaly detection function to locate occurrence time and position of a problem; and constructing a multi-scale electromagnetic reverse analysis model, and constructing a fault diagnosis function by combining a dynamic environment compensation model and introducing an electromagnetic field reflection coefficient and frequency deviation. According to the grid-connected point electric energy quality online monitoring and automatic diagnosis method, through integrating a time-space evolution model, a multi-scale electromagnetic reverse analysis model, an anomaly detection function and a dynamic environment compensation model, accurate control and efficient fault management of a power grid operation state are realized.
Owner:BEIJING RUIDA YINENG TECHNOLOGY CO LTD

Visual tracking real-time guiding robot and conveying belt following method

The invention discloses a visual tracking and real-time guiding robot and conveying belt following method, and belongs to the technical field of book packaging, the visual tracking and real-time guiding robot and conveying belt following method comprises a conveying belt device used for conveying articles and having adjustable running speed and direction control functions; the robot main body is arranged on one side of the conveying belt device; the fixed vision device is connected with the robot main body; through cooperative work of the robot vision module and the independent fixed vision device on the robot body, all-directional vision coverage of the conveying belt and the surrounding environment is achieved, and the robot vision module focuses on local detail information of the robot and objects on the conveying belt; the relative position and posture change of the robot and an object can be captured in a close-range and high-precision mode in the operation process of the robot, and the fixed vision device continuously monitors the overall condition of the conveying belt from the overall perspective.
Owner:JINAN CJR ELECTRICS CO LTD

Underground water pollution source analysis method based on various tracers and electronic equipment

The invention belongs to the technical field of underground water pollution source tracking, and particularly relates to an underground water pollution source analysis method based on multiple tracers and electronic equipment. The method comprises the following steps: setting a monitoring point; acquiring concentration information of various tracers in the underground water; drawing a plurality of tracer agent spatial distribution diagrams; determining an initial key pollution area and an initial migration diffusion area; simulating the historical pollution state of underground water according to the underground water fluid model; simulating a historical key pollution area and a historical migration diffusion area of underground water by combining the initial key pollution area and the initial migration diffusion area; and determining a pollution source and a migration and diffusion direction according to changes of the historical key pollution area and the historical migration and diffusion area. The underground water flow information is introduced, the determined pollution source position is accurate, a fluorescent tracer agent does not need to be put, and underground water is not affected.
Owner:TECH CENT FOR SOIL AGRI & RURAL ECOLOGY & ENVIRONMENT MINIST OF ECOLOGY & ENVIRONMENT

Plate bending device for processing box-type power distribution cabinet

The invention relates to the field of plate bending processing equipment, and discloses a plate bending device for box type power distribution cabinet processing, which comprises a workbench, a movable frame is movably mounted in the middle of the right end of the workbench, a rectangular through groove is formed in the upper side of the interior of the movable frame, and two fixed polished rods are fixedly connected to the upper side of the interior of the rectangular through groove. A plurality of sliding blocks are movably installed on the two sides of the interior of the fixed polished rod, pressing blocks are fixedly installed at the bottom ends of the sliding blocks, and a thick rotating shaft is movably installed at the position, close to the upper side of the fixed polished rod, of the interior of the rectangular through groove; a plurality of arc-shaped sliding grooves are formed in the outer diameters of the two sides of the thick rotating shaft, and the screw pitches of the arc-shaped sliding grooves are sequentially increased from inside to outside. The bending quality can be improved, the bending length can be accurately controlled, and different bending requirements can be met. And operation is convenient and efficient, manual intervention is reduced, all the components work cooperatively, and the working efficiency and quality of bending of the box-type power distribution cabinet plate are improved.
Owner:SHANDONG BOAO ELECTRIC CO LTD

Chemical adding control method and system for industrial sewage treatment

The invention is suitable for the technical field of sewage treatment, and provides a chemical adding control method and system for industrial sewage treatment, and the system comprises a real-time monitoring module, a pollution source recognition module, a feedback model construction module, a chemical adding scheme optimization module, a chemical diffusion monitoring module, and a chemical adding effect evaluation module. According to the method, a dosing system based on microbial community feedback and sewage source analysis based on a geographic information system (GIS) are fused, namely, pollution sources in sewage are tracked and analyzed in combination with the GIS technology, the structure and function of microbial communities are analyzed through the pollution sources, the use of chemicals is dynamically adjusted, and the sewage source analysis efficiency is improved. To promote the growth of specific microorganisms to treat specific contaminants. Meanwhile, the medicament can be pushed to be accurately fed by sensing eddy current or sound waves of water flow, and medicament waste is reduced.
Owner:SHENZHEN HONGHUA ENVIRONMENTAL PROTECTION TECH CO LTD

Geological disaster monitoring and early warning method and system based on digital twinborn technology

The invention discloses a geological disaster monitoring and early warning method and system based on a digital twinborn technology, and relates to the technical field of data monitoring. The method comprises the following steps: acquiring satellite image information, meteorological information and geological detection information of a mountain area to be monitored in a preset sampling period; based on the satellite image information, the meteorological information and the geological detection information, constructing a three-dimensional digital model of the mountain area to be monitored; receiving current mountain data, geological data and weather conditions of the mountain area to be monitored, and determining a plurality of risk sources of the mountain area to be monitored under the weather conditions and positions corresponding to the risk sources in the three-dimensional digital model in combination with the mountain data and the geological data; and for each risk source, when the change rate of any monitoring index in the mountain data or geological data of the risk source exceeds a change rate threshold value, performing disaster early warning based on the position of the risk source. By implementing the technical scheme provided by the invention, the effect of improving the accuracy of geological disaster monitoring and early warning is achieved.
Owner:HENAN GEOLOGICAL ENVIRONMENT PLANNING & DESIGN INST CO LTD

Automatic circuit board feeding device and feeding method

The invention relates to the technical field of circuit board assembly, and discloses an automatic circuit board feeding device and method.The automatic circuit board feeding device comprises a machining platform, a feeding mechanism is installed at the bottom of the machining platform and used for controlling a plurality of supporting plates to vertically move, a material suction arm is slidably connected to the rear side of the top of the machining platform, and a mounting mold is arranged on the left side of the machining platform; a deviation rectifying mechanism is arranged in the material suction arm, a material suction plate is installed at the bottom of the material suction arm, a detection lamp is installed in the middle of the machining platform and used for visually detecting a circuit board, and a recycling mechanism is arranged on the side, close to the material suction arm, of the rear end of the machining platform. Related gears, threaded rods and other parts are driven by the motor, accurate positioning and efficient conveying of the tray are achieved, the material suction arm can automatically suck circuit boards, all the parts are in close cooperation, the automation degree is high, manual operation links are greatly reduced, and the feeding time is effectively shortened.
Owner:TAIKANG ELECTRONICS CO LTD

Adjusting type electrical cabinet installation device

The invention relates to the technical field of electrical cabinet installation, in particular to an adjustable electrical cabinet installation device which comprises a heightening installation table, fixed connection sleeves are symmetrically and fixedly arranged at the two ends of an electrical cabinet body, guide bearing rods are fixedly arranged in the fixed connection sleeves, and installation insertion holes are symmetrically formed in the two sides of the fixed connection sleeves; insertion connecting holes are symmetrically formed in the two ends of the lower side of the electrical cabinet body, auxiliary fixing holes are formed in the insertion connecting holes, movable matching holes are symmetrically formed in the heightening mounting table, universal wheels are installed at the lower end of the movable bearing table, and limiting guide columns are fixedly arranged at the upper end of the movable bearing table. A movable bearing platform is fixedly arranged on the base, a positioning attaching plate is further fixedly arranged on one side of the movable bearing platform, a matched bearing hole is formed in the positioning attaching plate, a movable positioning column is inserted into the matched bearing hole, a column body bearing plate is fixedly arranged on the movable positioning column, and a fourth spring is connected to the movable positioning column in a sleeving mode.
Owner:TAIZHOU HENGTAI ELECTROMECHANICAL EQUIP CO LTD

Automatic sorting device for lens disassembly

The utility model relates to an automatic sorting device for lens disassembly, which relates to the technical field of lens disassembly and comprises a storage bin used for storing lenses to be disassembled and a feeding and discharging Y shaft arranged on one side of the storage bin and used for moving the lenses in a tray out to a working area. The jacking and clamping double-station assembly comprises a clamping head for clamping a to-be-disassembled lens, a lead screw motor for ejecting out to-be-sorted components in the lens in the direction below the clamping head, a component pre-pressing plate piece for pre-pressing the products to prevent the products from scattering and inclining, and a pre-pressing mechanism switching shaft for adjusting the position of a pre-pressing mechanism. An inverted U-shaped support plate is arranged on the top surface of the free end of the component pre-pressing plate piece, the inner wall of the U-shaped support plate is connected with a vacuum chuck tailstock through a lifting component, the bottom surface of the vacuum chuck tailstock is connected with a vacuum chuck piece through a pipeline longitudinally penetrating through the component pre-pressing plate piece, and the vacuum chuck piece adsorbs a component in a lens in a product.
Owner:SHENZHEN ZHISHENGDA TECH

Automatic electrode changing device and method for PTM anode of aluminum electrolysis cell

The invention discloses an aluminum electrolysis cell PTM anode automatic pole changing device and method.The aluminum electrolysis cell PTM anode automatic pole changing device comprises crown block moving equipment and a moving trolley, the moving trolley is arranged on the crown block moving equipment, and height measuring equipment and residue fishing equipment are symmetrically arranged on the two sides of the moving trolley; material sucking and discharging equipment and crust breaking equipment are arranged on the two sides of the interior of the movable trolley respectively, the crown block moving equipment comprises two mounting bridge frames and a crown block moving mechanism, and the crown block moving mechanism is movably arranged between the two mounting bridge frames. And positioning deviation rectifying mechanisms are arranged between the two sides of the crown block moving mechanism and the mounting bridge. The problem that in the actual using process of PTM equipment in the prior art, due to strong magnetism and dust in an electrolysis workshop, automatic replacement of the anode scrap is difficult is solved.
Owner:BAOTOU ALUMINUM CO LTD

Vehicle target identification and detection method and system

The invention relates to the technical field of artificial intelligence, in particular to a vehicle target identification and detection method and system. Comprising the following steps: training an experimental data set by using a Yolo v5 target detection algorithm, and introducing a BIFPN bidirectional feature pyramid network and a CBAM-nSAM attention mechanism based on CBAM improvement; a GSConv structure based on depth separable convolution is introduced into a Yolo v5 target detection algorithm, convolution of a Neck part in the Yolo v5 network is replaced, and an EIoU loss function is used to replace a CIoU loss function in the Yolo v5 network; and training the improved Yolo v5 target detection algorithm by using the training set and the verification set to obtain a trained model and a trained weight, testing the trained model and the trained weight by using the test set, and further evaluating a result. According to the invention, based on the improvement of the BIFPN bidirectional feature fusion pyramid network and the CBAM-nSAM attention mechanism, a more accurate and more efficient vehicle identification method can be realized by using the existing hardware basis, and rapid and accurate vehicle identification statistics can be realized.
Owner:ANHUI NORMAL UNIV

Offshore photovoltaic platform transfer device

An offshore photovoltaic platform transfer device belongs to the technical field of offshore photovoltaic platforms and comprises a transfer frame, and fixing structures are fixedly mounted on two sides of the top of the transfer frame; the two fixing structures comprise trapezoid frames, two sets of supporting plates and limiting grooves, the two trapezoid frames are connected with the transfer frame in a welded mode, when the offshore photovoltaic platform is fixed to the device through the fixing structures, the device is erected on a ship deck to be fixed, then four inserting feet of the photovoltaic platform are inserted into four fixing groove plates to be preliminarily fixed, and the photovoltaic platform is fixed to the device through the limiting grooves. Then four rotating handles are respectively rotated to enable the bidirectional screw rod to rotate, and due to the fact that a sliding block is limited in a limiting groove, two first threaded blocks can horizontally move inwards on the outer surface of the bidirectional screw rod at the same time, so that two fastening rings can clamp and fix a pin of the offshore photovoltaic platform, and the platform can be fixed; and during transferring, the device is not contacted with the ship deck, so that the ship deck is prevented from being collided and damaged.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Mattress roadway stacking machine for bamboo mattress production and processing

The invention discloses a mattress roadway stacking machine for bamboo mattress production and processing, and relates to the technical field of automatic storage and logistics, the mattress roadway stacking machine comprises a frame, a base plate, a conveying belt, a mattress, a stacking frame and a fixing frame, a stacking device is arranged in the stacking frame, a conveying device is arranged above the conveying belt, and the fixing frame is arranged above the conveying belt. An auxiliary device is arranged above the fixing frame, a base plate is pushed to move along a sliding rail rod through a servo motor, a conveying belt and a push plate, mattresses can be more easily aligned and stacked in the follow-up stacking process through the base plate, the base plate is moved upwards through an air cylinder and a top plate, the base plate is placed at the top of the placing frame through the placing frame and a check rod, and therefore the mattresses can be conveniently stacked. Stacking of the base plate is completed at the moment, stacking of the base plate is gradually conducted upwards, stacking of the mattresses can be more stable, the collapse risk is reduced, storage and management of the mattresses can be more orderly through the stacking mode, and the mattresses are convenient to check and take for use.
Owner:LOUDI HAIREN TECH DEV

Layer focusing illustration single-view 3D reconstruction method and system

The invention provides a layer focusing illustration single-view 3D reconstruction method, which comprises the following steps of: performing region segmentation on an original illustration single view in a data set through SAM to obtain a region text pair fine-tuning CLIP model comprising the original illustration single view and a layer channel of the original illustration single view; extracting an unnatural contour line, semantic information and layer information from each original illustration single view in the data set T; selecting a basic element model to initialize a 3D point cloud according to a role posture in a single view, segmenting the human body point cloud into different parts through point cloud segmentation, carrying out noise growth and color perturbation on corresponding point cloud regions according to position information of an unnatural contour line, respectively mapping the point cloud regions into a submerged space, and obtaining a final potential representation by adopting LDM; and finally, the final potential representation passes through a decoder to obtain a final 3D representation, and 3D assets are reconstructed. According to the invention, the corresponding 3D assets can be generated according to a given illustration single view.
Owner:XIANGTAN UNIV

An environmentally friendly bucket wheel reclaimer

ActiveCN118529509Bincrease flexibilityFlexible and efficient layoutConveyorsSupporting framesReclaimerConveyor belt
The present invention belongs to the technical field of bucket wheel reclaimers, and discloses an environment-friendly bucket wheel reclaimer, comprising a walking structure, a rotating platform is fixedly installed on the top of the walking structure, a suspension is movably installed on one side of the top of the rotating platform, a suspension belt conveyor is installed inside the suspension, a bucket wheel is rotatably installed on one side inside the suspension, a guide cover is fixedly installed on the top of the rotating platform at one end of the suspension belt conveyor, a screening guide structure is fixedly installed inside the guide cover, so as to achieve the purpose of adjusting the lifting, rotation and extension of the conveyor belt, thereby making the position of the drop point more accurate and improving the production efficiency, and adjusting in multiple ways makes the conveyor belt have greater flexibility and adaptability, can adapt to the production scene, and prevent the drop material from failing to drop accurately, causing the drop material to drop around the device, resulting in dirt and mess around the device, and at the same time causing interference to the environment around the device.
Owner:SHANDONG DOULUN HEAVY IND TECHNOLOGY CO LTD

Optical fiber ultrasonic sensor for partial discharge detection and detection method

The invention relates to the technical field of discharge detection, in particular to an optical fiber ultrasonic sensor for partial discharge detection and a detection method. The fundamental frequency is determined according to the peak multiple distribution degree and the uniform distribution condition of the frequencies of the sound wave signals, and the smooth sound wave signals are obtained; determining the change time of the optical fiber ultrasonic sensor through the distribution of local amplitudes, and determining the discharge starting time of the optical fiber ultrasonic sensor according to the change time distribution approximation condition; obtaining the accessibility of each optical fiber ultrasonic sensor through the amplitude change trend correlation degree; and determining the partial discharge position and the discharge time through the accessibility based on the three-point positioning in combination with the position of the optical fiber ultrasonic sensor and the discharge starting time. According to the method, the partial discharge receiving time is determined by smoothing the signals of the optical fiber ultrasonic sensors, the credible condition of each optical fiber ultrasonic sensor is determined through the signal change trend, and the positioning analysis process is adjusted to determine the more accurate partial discharge position and time.
Owner:ZHEJIANG YILUYI SENSOR CO LTD

Video active inspection system based on Internet of Things driving

The invention relates to the field of video inspection, in particular to an active video inspection system based on Internet of Things driving, which comprises a current analysis module, an image input module, an image input detection module, an image output detection module and an audio detection module. According to the method, the current of the conference room equipment is monitored, abnormal equipment is found in time, rapid fault diagnosis is achieved, the effectiveness of the video stream is effectively judged by obtaining and processing the video stream and analyzing the grayscale image, it is ensured that the input picture is always in an available state, the blank screen phenomenon and picture distortion are avoided, and the user experience is improved. The image output detection module verifies the display effect, ensures the accuracy of an output picture and determines an abnormal area when the output picture is abnormal, the audio detection module plays a test audio and collects feedback, the sound receiving effect of a microphone is effectively evaluated, the conference room equipment is automatically and actively inspected, the equipment state is continuously monitored and evaluated, and the sound receiving efficiency is improved. Potential faults can be found and prevented in time, and the sudden fault risk of equipment is remarkably reduced.
Owner:ZHEJIANG HARMAN AV TECH CO LTD

Permanent magnet synchronous motor back electromotive force reconstruction and position speed extraction method

The invention relates to the technical field of motor control technologies, and particularly provides a permanent magnet synchronous motor back electromotive force reconstruction and position speed extraction method, which comprises the following steps of: establishing a mathematical dynamic model of a permanent magnet synchronous motor under a static coordinate system, and designing an improved super-spiral observer according to the model, the reconstruction precision and the convergence speed of the back electromotive force are enhanced; and standardizing the reconstructed back electromotive force, and extracting the position and speed of the permanent magnet synchronous motor rotor through an integral compensation phase-locked loop. According to the invention, by improving the existing super-spiral observer and the phase-locked loop, the convergence speed and the position estimation precision of the system are obviously improved.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Cold heading device for special-shaped sleeve

The utility model relates to a cold heading device for a special-shaped sleeve. The cold heading device comprises a cutting mechanism, an ejection mechanism, a conveying mechanism and six dies. The conveying mechanism moves between the ejection mechanism and the six molds for feeding; the first upsetting die is used for chamfering the lower end of an initial blank; the second upsetting die is used for chamfering the upper end of a turned first blank and punching concave holes in two ends; the third upsetting die is used for stretching and forming a second blank turned again and deepening the depth of an inner hole in the upper end to be 1 / 3 of the height of the second blank; the four-upsetting die is used for stretching and forming a third blank again and deepening a lower end inner hole to be 2 / 3 of the height of the third blank, the through hole die is used for enabling an upper end inner hole and a lower end inner hole of a fourth blank to be communicated to form a through hole, and the final upsetting die is used for enabling the middle of a fifth blank to form a convex arc. By the adoption of the technical scheme, the mold manufacturing structure is simple in technological process and convenient to maintain; the die is long in service life and low in cost.
Owner:ZHEJIANG MINGTAI STANDARD PARTS CO LTD

Automatic spraying and baking production line and method for spraying plate

The automatic spraying and baking production line comprises an annular spraying device and an annular baking device, and a plate feeding robot, a feeding hook robot and a feeding hook fixing device are all fixedly arranged on the input side of the annular spraying device. The plate unloading robot and the unloading hook robot are both fixedly arranged on the output side of the annular baking device, the annular baking device and the plate unloading robot are both matched with the unloading hook robot, and the middle transfer device, the hook replacing robot and the hook replacing hook fixing device are all fixedly arranged between the annular spraying device and the annular baking device. The middle transfer device is matched with the annular spraying device, and the middle transfer device, the hook replacement hook fixing device and the annular baking device are all matched with the hook replacement robot. Under the action of the control center, automatic production of parts such as the annular spraying device and the annular baking device is achieved, workers do not make contact with anti-corrosion paint, harm to the workers is avoided, and meanwhile the production efficiency is effectively improved.
Owner:SICHUAN TENGYANG INTELLIGENT TECH CO LTD +1

Clamping tool for quickly assembling and disassembling carrier roller shaft

ActiveCN222177472Uprecise positioningSolve the problem of processing qualityWork holdersDrive wheelElectric machinery
The utility model relates to the technical field of carrier roller shaft clamping tools, and discloses a quick-assembly and quick-disassembly carrier roller shaft clamping tool which comprises a base, a fixing plate is fixedly connected to the interior of the base, a motor is fixedly connected to the bottom of the fixing plate, the output end of the motor is fixedly connected with a driving wheel, and the output end of the driving wheel is fixedly connected with a transmission shaft. The outer wall of the driving wheel is rotatably connected to the interior of the fixing plate, a double-face gear ring is rotatably connected to the interior of the fixing plate, the driving wheel is meshed with the double-face gear ring, a driven wheel is rotatably connected to the interior of the fixing plate, the double-face gear ring is meshed with the driven wheel, and a straight rack is slidably connected to the interior of the fixing plate. According to the three-jaw self-centering chuck, firstly, the motor drives the driving wheel to rotate in the fixing plate, the problem that the positioning center difference of the three-jaw self-centering chuck influences the machining quality of a workpiece is solved, accurate positioning of the workpiece is achieved, it is guaranteed that the workpiece is kept at the correct position in the machining process, and therefore the machining precision and the working quality are improved.
Owner:西安重装蒲白煤矿机械有限公司

Terminal supply device

The utility model belongs to the technical field of non-standard equipment, and discloses a terminal supply device. Comprising a cutting die used for cutting off a connecting part of a terminal and a material belt, a feeding unit located on the feeding side of the cutting die and used for conveying the material belt in the first horizontal direction, a material pulling unit located on the discharging side of the cutting die and used for pulling the material belt to advance in the first horizontal direction, and a material receiving unit located below the cutting die. The first linear driving unit is used for driving the material receiving unit to slide in a reciprocating mode in the horizontal direction and perpendicular to the first horizontal direction; the transfer positioning seat is used for temporarily storing terminals; the first mechanical arm is used for transferring the terminals between the material receiving unit and the transfer positioning seat; the second linear driving unit is used for driving the transfer positioning seat to slide back and forth along the first horizontal direction; and the second mechanical arm is used for transferring the terminal between the transfer positioning seat and the assembly line. The probability of damage of a surface coating of a terminal is reduced, and the yield of a connector is further improved.
Owner:CHENGDU MINJIANG INTELLIGENT TECH CO LTD

Three-order integral type wind generating set position and rotating speed estimation method and system

The invention relates to the technical field of wind generating set control, and discloses a three-order integral type wind generating set position and rotating speed estimation method and system. Three-phase power data is converted into rotating two-phase counter electromotive force under rotating coordinates through two times of coordinate conversion and a preset counter electromotive force observer; secondly, calculating error data of the wind generating set, and combining the error data with set operation data to serve as input of a preset third-order integral type position and rotating speed estimator to obtain more accurate target rotating speed data and target position data; the technical problem of how to accurately estimate the position and the rotating speed of the wind generating set is solved.
Owner:ELECTRIC POWER RES INST CHINA SOUTHERN POWER GRID CO LTD +2

Iron core lamination equipment

The invention relates to the technical field of transformer iron core production, in particular to iron core lamination equipment which comprises a pedestal, a rotating table is arranged in the center of the top of the pedestal, and a stacking tool is arranged at the top of the rotating table; the two material storage grooves are formed in the top of the pedestal respectively and correspond to the two opposite sides of the rotating table; the portal frame is fixedly arranged at the top of the pedestal, and the portal frame is provided with a horizontal lifting cross beam corresponding to the rotating table and above the two storage tanks; each reciprocating sliding block is arranged at the bottom of the lifting cross beam and horizontally reciprocates between the corresponding storage tank and the rotating table; and the multiple telescopic suction cups are distributed at the bottoms of the reciprocating sliding blocks, and the telescopic suction cups communicate with the vacuum pump through vacuum pipes and control valves. According to the equipment, manual position adjustment is not needed, and industrial accidents such as hand clamping of a steel plate are avoided, so that the production cost of the transformer iron core is reduced, and the product quality and the production efficiency are improved.
Owner:CHIFENG HAODE TRANSFORMER CO LTD

Mounting structure for filter cloth of cylindrical cone type filter dryer

The utility model provides a filter cloth mounting structure of a cylindrical cone type filter dryer, and belongs to the technical field of dryers. The problem that existing filter cloth is troublesome to clean and replace is solved. The dryer comprises a lower cone, the inner side wall of the lower cone is provided with a first filtrate hole, the mounting structure comprises a conical pressing plate, the pressing plate is provided with a second filtrate hole, the top of the pressing plate is provided with an annular pressing edge, filter cloth is conical, the top of the filter cloth is provided with an annular turnup edge, the top of the lower cone is provided with a step groove, and the filter cloth is attached to the inner side wall of the lower cone. The filter cloth is arranged on the inner side wall of the lower cone body, the annular flanging is arranged to be attached to the step face of the step groove, the filter cloth is pressed on the inner side wall of the lower cone body through the pressing plate, the annular flanging is pressed on the step face through the annular pressing edge, and a fastener penetrates through the annular pressing edge and the annular flanging and is arranged in the lower cone body in a penetrating mode, so that the pressing plate and the lower cone body are detachably and fixedly connected. The mounting structure of the filter cloth of the cylindrical cone type filter dryer has the advantage that the filter cloth is convenient to clean and replace.
Owner:ZHEJIANG CHENGXIN PHARMA & CHEM EQUIP

Upward moving formwork suitable for simply supported concrete box girder and capable of achieving two-way construction

The invention relates to the technical field of bridge construction equipment, in particular to an ascending type movable formwork suitable for simply supported concrete box girders and capable of achieving two-way construction, which comprises a main frame, a front main supporting leg, a rear main supporting leg and a rear auxiliary supporting leg, the outer rib transverse locking mechanism and the outer rib are hung on a cantilever beam of the main frame, the outer mold system is arranged on the outer rib, the inner mold system is arranged in a cavity of the outer mold system, the end mold systems are arranged at the ends of the inner mold system and the outer mold system, and the hanging walkway and the electric hoist are arranged below a connecting beam of the main frame. The counterweight system is arranged at the tail end of the main frame, the anchoring device is arranged at the rear part of the main frame, and the suspender is arranged between the main beam and the outer rib. Reverse construction can be achieved without dismantling the main frame and reassembling, the construction efficiency is high, the construction cost is low, and the bridge protection effect is good.
Owner:ZHENGZHOU NEW DAFANG HEAVY IND & TECH +2

Thin film material phase change temperature measuring device capable of stably loading and unloading sample

The invention discloses a thin film material phase change temperature measuring device capable of stably loading and unloading a sample, and belongs to the field of semiconductor thin film thermal performance measurement, the thin film material phase change temperature measuring device comprises a quick closing door, a vacuum cavity, a box plate valve, a sample injection cabin and a magnetic sample injection rod, the quick closing door is arranged on one side of the vacuum cavity, and the sample injection cabin is arranged on one side, away from the quick closing door, of the vacuum cavity; the box plate valve is installed on the side, close to the vacuum cavity, of the sample injection cabin, the magnetic sample injection rod is installed on the side, away from the box plate valve, of the sample injection cabin, an electric control displacement platform is arranged at the bottom of the vacuum cavity, a receiving frame is arranged in the vacuum cavity, the electric control displacement platform is sleeved with an evaporation source, and the evaporation source is located under the receiving frame. According to the device, the magnetic sampling rod, the receiving frame and the evaporation source are matched with one another; the problem that a sample is not fixed in a sample injection process is solved, and the stability of a light path is ensured; meanwhile, the stability of the sample table and the leakproofness of the cavity are also ensured; and the sample and the thermocouple can be in stable pressure contact.
Owner:NATIONAL INSTITUTE OF METROLOGY CHINA +1

Real-time monitoring device and method for pouring interface of super-long cast-in-situ bored pile

The invention relates to the technical field of pile foundation construction quality monitoring, in particular to a real-time monitoring device and method for a pouring interface of an ultra-long cast-in-situ bored pile. Comprising a monitoring probe mechanism, a tension cable, a control holder, a display industrial personal computer and an alarm, the monitoring probe mechanism is placed in a bored hole of the cast-in-place pile, and the tension cable is electrically connected with the monitoring probe mechanism and the display industrial personal computer; the display industrial personal computer is located on the ground, and the monitoring probe mechanism uploads collected data to the display industrial personal computer on the ground in real time through a tension cable; high-precision real-time monitoring of the pouring interface of the super-long cast-in-situ bored pile is achieved, and it is guaranteed that the position of the pouring interface is accurate; meanwhile, the situation that the monitoring probe is blocked and is difficult to recycle is avoided, and the adaptive capacity of the whole device is greatly improved; continuous measurement of different pouring states and stages is achieved, the real-time monitoring device can feed back position information of a pouring interface in real time, constructors can adjust a construction scheme in time, and the construction quality is ensured.
Owner:WUHAN GEOLOGICAL SURVEY FOUNDATION ENG CO LTD

Multidimensional monitoring and intelligent fire extinguishing module linkage system for transformer fire

The invention discloses a multi-dimensional monitoring and intelligent fire extinguishing module linkage system for transformer fire. The system comprises a fire early warning system, a fire detection system, a mobile track system, an intelligent fire extinguishing module and an interactive communication system. The fire early warning system judges the overload risk by collecting the real-time operation data of the transformer, and sends out an early warning signal through the early warning unit when detecting that the load fluctuation exceeds a preset threshold value. The fire detection system monitors the environment in the transformer room in real time, positions the abnormal signal generation position, dispatches the multiple intelligent fire extinguishing modules, and cools temperature abnormal points or starts fire extinguishing measures in a centralized mode through the transformer surface moving track system. The intelligent fire extinguishing module and the multi-dimensional monitoring system are interconnected in real time, and the fire extinguishing posture is dynamically adjusted. Through real-time monitoring, accurate positioning, flexible regulation and control and real-time interconnection, early-stage temperature and fire abnormity of the transformer substation can be found in time, and a reliable intelligent protection scheme is provided for fire extinguishing.
Owner:HEFEI POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER +1