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364results about How to "Reduced maintenance needs" patented technology

Financial data automatic filling method, device and equipment and storage medium

The invention discloses a financial data automatic filling method and device, equipment and a storage medium, and belongs to the technical field of big data. The method comprises the following steps: determining a data source corresponding to original financial data by using a pre-trained data classification model; acquiring a data processing rule engine and a target data filling template matched with the data source; performing data cleaning on the original financial data based on a data cleaning rule; performing data analysis on the standardized data by using a data analysis rule; performing association relation extraction on the target data source field and the target filling field by using a data mapping rule, and performing data field mapping according to the field association relation; and according to a data field mapping result, filling the target data source field into the target data filling template to generate a financial data report. The invention further relates to the technical field of block chains, and financial data are stored on the block chain nodes. According to the method and the device, the applicability and the operation convenience of automatic filling and reporting of financial data in a multi-source data scene are improved.
Owner:PING AN INT FINANCIAL LEASING CO LTD

Low-carbon high-freezing-resistance magnesium phosphate cement mortar as well as preparation method and application thereof

The invention discloses low-carbon high-freezing-resistance magnesium phosphate cement mortar and a preparation method and application thereof, and belongs to the technical field of constructional engineering materials, the mortar comprises low-carbon magnesium phosphate cement, river sand, hydrolyzed silanol and mixing water; the hydrolyzed silanol is a product obtained by hydrolyzing a silane coupling agent in ethanol and water under an acidic condition; the invention relates to a high-strength concrete, which is prepared from the following formula components in parts by mass: 145 to 250 parts of low-carbon magnesium phosphate cement, 145 to 250 parts of river sand, 7 to 35 parts of silane coupling agent, 42 to 210 parts of ethanol, 21 to 105 parts of water and 10 to 30 parts of water for mixing. The cement has the advantages of adjustable setting time, low carbon, energy conservation, good mechanical properties, strong water resistance and freezing resistance and the like.
Owner:LIAONING PROVINCIAL TRANSPORTATION PLANNING & DESIGN INST +1

Early warning method and device for tunnel ponding, computer equipment and storage medium

The invention relates to a tunnel ponding early warning method and device, computer equipment and a storage medium. The method comprises the steps that at least two first flow detection units are arranged at an inlet and an outlet of a tunnel, at least one second flow detection unit is arranged at a water outlet of the tunnel, local water accumulation threshold values of a plurality of water accumulation sensitive areas are determined based on historical water accumulation data, and the local water accumulation threshold values are arranged according to the threshold values to obtain a threshold value distribution sequence; dividing the threshold distribution sequence into a first sequence and a second sequence based on a preset proportion, and determining a first global threshold by a local ponding threshold at the boundary of the first sequence and the second sequence; calculating the inlet and outlet flow difference according to the first flow data and the second flow data, and further determining the water accumulation amount; and adjusting a second global threshold value according to the ponding risk index, and starting a corresponding risk early warning strategy when the ponding amount exceeds the first global threshold value or the second global threshold value. Low-cost and high-precision tunnel ponding monitoring is realized based on simplified sensing data, and the safety of tunnel passage is improved.
Owner:CHONGQING BEACON OPTOELECTRONICS TECH

Method for degrading vomitoxin in corn deep processing process

The invention discloses a method for degrading vomitoxin in a corn deep processing process, and relates to the technical field of corn deep processing, and the method specifically comprises the following steps: obtaining temperature dynamic distribution information of corn slurry in each region, judging whether the temperature of the corn slurry in each region is too fast or too slow or not, and if yes, judging whether the temperature of the corn slurry is too fast or too slow or not; dividing each area into a temperature acceleration area, a temperature equalization area and a temperature delay area according to the judgment result; based on the division result of each area, an adjustment mechanism of heating power and time is constructed, and different temperature adjustments are respectively carried out on the temperature acceleration area, the temperature equalization area and the temperature retardation area; in the process that the adjustment mechanism adjusts the temperature of each area, whether the temperature adjustment effect of the adjustment mechanism in each area reaches the expectation or not is evaluated, and the adjustment mechanism is optimized according to the evaluation result. The problem that the temperature is not uniform in the corn slurry heating process is solved, and the effect of uniformly degrading vomitoxin is achieved.
Owner:INNER MONGOLIA ZHONGRUN BIOTECH CO LTD

Offshore floating type wind power steel shell concrete composite structure platform and construction method

The invention relates to an offshore floating type wind power steel shell concrete composite structure platform and a construction method, the platform comprises a steel shell, and the steel shell comprises an outer side steel shell and an inner side steel shell which are arranged at an interval; the inner concrete filling layer is filled between the outer side steel shell and the inner side steel shell; the connecting structure is arranged at the joint of the steel shell and the internal concrete filling layer and used for enhancing the connecting rigidity and stability of the steel shell and the concrete; the connecting structure comprises transverse reinforcing rib plates, longitudinal reinforcing rib plates, partition plates and anti-shear studs, the transverse reinforcing rib plates and the longitudinal reinforcing rib plates are arranged in a grid shape, the space between the outer side steel shell and the inner side steel shell is divided into a plurality of areas through the partition plates, and the anti-shear studs are used for enhancing the anti-shear capacity between the steel shells and concrete. Through innovative connection structure design, a steel structure is combined with concrete, efficient and intelligent hole design is combined with an advanced sensing technology, automatic control and intelligent monitoring, the construction quality of the structure is guaranteed, and an efficient and low-maintenance structural form is provided.
Owner:SOUTHERN BRANCH OF CHINA COMM CONSTR CO LTD

Environment-friendly waterproof paint spraying device and spraying method

The invention discloses an environment-friendly waterproof paint spraying device and method, and relates to the technical field of environment-friendly spraying, the environment-friendly waterproof paint spraying device comprises a bottom plate and further comprises a material uniformizing device, a liquid storage barrel is fixedly mounted at the top of the bottom plate, a feeding pipe is fixedly mounted at the top of the liquid storage barrel, and a discharging pipe is fixedly mounted on the circumferential surface of the liquid storage barrel; a high-pressure pump is fixedly installed on the left side of the discharging pipe, a hose is arranged on the right side of the high-pressure pump, a high-pressure spray head is arranged at the end, away from the bottom plate, of the hose, and the material uniformizing device comprises a servo motor, a stirring rod, a hollow rod, a driving rod, a stabilizing block, an arc-shaped plate and an extrusion block; the coating in the liquid storage barrel can be effectively turned over through the reciprocating movement of the cambered surface plate, and the coating is prevented from being precipitated or layered in the storage process, so that the quality of a sprayed coating is improved, and the phenomenon of bubbles or uneven spraying is reduced.
Owner:ZIYANG CONSTR ENG CO LTD

Unmanned underwater vehicle large-depth pressure-resistant communication antenna and underwater vehicle

The invention discloses a large-depth pressure-resistant communication antenna of an unmanned underwater vehicle and the underwater vehicle, and belongs to the technical field of underwater vehicles, the antenna comprises an antenna shell, a pressure-resistant cabin body and a fin-shaped component, the pressure-resistant cabin body is a component forming a cabin body segment of the underwater vehicle, and the fin-shaped component is a fin-shaped component. The antenna shell comprises a radial supporting part fixed to the pressure-resistant cabin and a shell part fixed to the top end of the radial supporting part, the fin-shaped component is fixed to the radial supporting part, an antenna unit is installed in the shell part, and a wireless communication function unit connected with the antenna unit is arranged in the pressure-resistant cabin. The large-depth pressure-resistant communication antenna of the unmanned underwater vehicle has the advantages of being excellent in communication quality, high in pressure resistance, optimized in size, high in space utilization rate, stable and reliable for a long time and the like, and can meet operation requirements in a deep sea environment.
Owner:TIANJIN UNIV

Browser automation method and system based on natural language processing

The invention relates to the technical field of natural language processing, in particular to a browser automation method and system based on natural language processing. The invention particularly relates to a method and a system for generating an operation instruction by simplifying a webpage DOM (Document Object Model) structure and utilizing a GPT model. By monitoring and adapting to webpage structure changes in real time, the system can keep continuous effectiveness of automatic operation. Even if the page is subjected to large structure adjustment, the system can still automatically analyze and adjust the operation logic, and the intervention requirement of a user is reduced. And the circular updating and adapting module can quickly respond to webpage changes, so that the phenomenon of operation failure or interruption caused by page updating is reduced. Even if the DOM structure of the page is greatly changed, the system can quickly adjust, and successful execution of the task is ensured.
Owner:GANSU WANWEI INFORMATION TECH CO LTD

Method for preparing graphene copper rod through multi-pass continuous extrusion

The invention discloses a method for preparing a graphene copper rod by multi-pass continuous extrusion, which comprises the following steps of: mixing copper powder and graphene powder, and annealing with a copper pipe in inert gas; a continuous extrusion process is adopted, mixed powder of copper and graphene is added into a copper pipe, and the graphene copper rod is prepared through multi-pass continuous extrusion. According to the preparation method, process control and operation are convenient, the graphene copper mixed powder is loaded into the copper pipe for continuous extrusion, the preparation process of the graphene copper composite material is simplified, meanwhile, the copper pipe is beneficial to keeping the stable form of the copper powder in the extrusion process, and the complexity of process control is reduced.
Owner:GUIZHOU POWER GRID CO LTD +1

Bottom-attached tunnel desilting equipment and desilting method based on pulsed jet ground breaking effect

The invention discloses a bottom-attached tunnel desilting device and desilting method based on the pulsed jet ground breaking effect, the bottom-attached tunnel desilting device comprises a crawler-type advancing module, a connecting frame, a desilting module and a conveying pipeline, the connecting frame is fixed on the front side of the crawler-type advancing module, and the conveying pipeline comprises a negative pressure water pipe and a high pressure water pipe; the jet module comprises a signal processing system, a high-precision sensor, a high-pressure water pump, a pulse controller and a steering engine; the suction module comprises a sludge inlet box, a connecting rod structure, a brush and a spiral centrifugal pump; through the innovative pulse jet technology, the self-circulation system and the terrain self-adaption design, an efficient, energy-saving and stable operation mode can be provided in the tunnel desilting process, and the tunnel desilting device has high environmental adaptability and is suitable for tunnel desilting operation of various complex terrains.
Owner:SANYA YAZHOU BAY INST OF DEEP SEA SCI & TECH SHANGHAI JIAOTONG UNIV +2

Treadmill internal rotation brushless motor system and treadmill adopting same

The invention relates to the technical field of motors, and discloses a running machine internal rotation brushless motor system and a running machine adopting the system.The running machine internal rotation brushless motor system comprises a motor module and a magnetic induction module, the motor module comprises a middle shaft, and a permanent magnet is coaxially fixed to one end of the middle shaft; the magnetic induction module performs non-contact induction sampling on the permanent magnet, the magnetic induction module comprises a shell, a magnetic excitation body and an induction chip, the magnetic excitation body is rotationally arranged in the shell, the induction chip is fixedly arranged in the shell, and the permanent magnet, the magnetic excitation body and the induction chip are sequentially matched. The invention provides a non-contact induction sampling method on the application level of the treadmill motor, the sampling resolution precision is improved, the foot feeling during running start and stop is optimized, absolute and incremental output signals are provided in the magnetic induction module, different application requirements are met, high-precision position and speed feedback is realized, and the application range of the treadmill motor is widened. The control precision of the motor is improved, and the application range of the motor is widened.
Owner:KUNSHAN HENGJU ELECTRONIC CO LTD

Vertical electric heating faucet with backwater stopping structure

The utility model discloses a vertical electric heating faucet with a backwater stopping structure. The vertical electric heating faucet comprises a shell, an inner container, a heating assembly and a valve element assembly. The inner container is arranged in the shell; the heating assembly is arranged in a heating cavity in the inner container, a water inlet is formed in the lower end of the inner container, and a water outlet is formed in the upper end of the inner container. The inner container is provided with a water inlet channel, and a valve element of the valve element assembly is communicated with the water inlet through the water inlet channel. A backwater stopping structure is arranged in the heating cavity in the inner container and can prevent water in the heating cavity from flowing back to the water inlet channel through the valve element; the backwater stopping structure comprises a first vertical channel and a second vertical channel which are parallel to each other, the lower end of the first vertical channel is communicated with the valve element, the lower end of the second vertical channel is communicated with the heating cavity, the upper end of the first vertical channel is communicated with the upper end of the second vertical channel, and the communication point is higher than the standing water level of the heating cavity in the water leakage state. The water is prevented from flowing back from the heating cavity, it is guaranteed that the heating assembly is covered with the water all the time in the heating cavity, and the situation of accidental empty burning is avoided.
Owner:WUYI ALAMEI ELECTRIC APPLIANCE CO LTD

Extrusion device and method for cable production

The invention provides an extrusion device and method for cable production. The extrusion device comprises a rack, an extrusion mold, a wire conduit and a wire core surface treatment device, wherein the wire conduit is horizontally and fixedly arranged on the rack, is connected with the extrusion die and is used for guiding a wire core to enter the extrusion die; the wire core surface treatment device comprises a plurality of extrusion rods and a driving mechanism, the plurality of extrusion rods are uniformly arranged around the central axis of the wire conduit, one end of each extrusion rod is located in the wire conduit and is provided with an embossing bulge, and the other end of each extrusion rod movably penetrates through the outer side of the wire conduit in the radial direction of the wire conduit; and the driving mechanism is arranged on the outer side of the wire conduit and is used for synchronously driving the plurality of extrusion rods to reciprocate, so that the embossing bulges apply embossing on the outer surface of the wire core. The embossing is applied to the surface of the wire core, so that the contact area and the friction coefficient between the wire core and the insulating layer are increased, the adhesive force between the insulating layer and the wire core is improved, and the insulating layer is more stable and is not easy to strip or slide in the coating process.
Owner:WUHAN NO 2 WIRE & CABLE CO LTD

Insulation fault type detection method and system for gas insulation equipment

The invention discloses an insulation fault type detection method and system for gas insulation equipment, and relates to the technical field of electrical equipment insulation fault detection, and the method comprises the steps: collecting GIS equipment gas, and obtaining a spectrum through a first method; judging the type of decomposition characteristic gas, and absorbing the measured gas; and the insulation fault type is determined through the gas component concentration. According to the insulation fault type detection method for the gas insulation equipment, by simulating different fault types and determining the relationship between the decomposition gas concentration and the fault, the detection error range is reduced, the fault diagnosis accuracy is improved, the detection accuracy of the system is improved through the advanced spectrum detection technology, and the detection efficiency is improved. By means of pollution-free emission and effective utilization of gas resources, the maintenance requirement and detection cost of the system are reduced, the environmental protection property of equipment is improved, and better effects are achieved in the aspects of accuracy, detection cost and environmental protection property.
Owner:GUIZHOU POWER GRID CO LTD +1

Sliding door locking structure and sliding door mechanism

The invention discloses a sliding door locking structure and a sliding door mechanism, the sliding door locking structure comprises a lock box, the lock box comprises a lock box assembly part and a lock groove, and the lock box assembly part is used for being assembled with an upper rail; the vertical frame is provided with a sliding rail in the length direction of the vertical frame, and the vertical frame is used for being assembled with the side edge of the door body; the lock rod is arranged in the sliding rail in a sliding mode, one end of the lock rod is used for being connected with the lock groove in a matched and inserted mode, and the other end of the lock rod is in linkage with a handle of a door body so that the lock rod can stretch into or be separated from the lock groove. A lock hole or a lock tongue does not need to be arranged on the side edge of the door body, key components such as the lock box and the lock rod are hidden in the upper rail and the vertical frame, exposure of the lock is reduced, the safety of the door body is improved, meanwhile, the structure of the lock is simplified, the production efficiency is improved, and the production cost is reduced.
Owner:GUANGDONG OPK SMART HOME TECH CO LTD

Method for reducing damage to yaw mechanism of wind power generation system through pneumatic unbalance adjustment

The invention relates to the technical field of wind power generation, and discloses a method for reducing damage to a yaw mechanism of a wind power generation system through pneumatic unbalance adjustment, and the method comprises the following steps: S1, arranging sensors to monitor blades, a wind field and a vibration state; s2, fusing data, and calculating pneumatic unbalance; s3, constructing a model to predict the change of the wind field; s4, adjusting the balance load of the blade load; s5, optimizing a yaw angle adjustment strategy; s6, yaw action is reduced, and operation is optimized; and S7, health state prediction faults are monitored. The pneumatic load and the pneumatic unbalance degree of the blade are monitored in real time, the micro pneumatic actuator and the dynamic balance weight module are combined, the pneumatic performance and the load distribution of the blade are dynamically adjusted, the impact load and the vibration amplitude borne by the yaw mechanism are effectively reduced, in addition, a torque limiting and intelligent damping protection mechanism is adopted, and the service life of the yaw mechanism is prolonged. The fatigue damage accumulated value and the part abrasion degree of the yaw mechanism are fundamentally reduced, and therefore the service life of the yaw mechanism is prolonged.
Owner:GUANGDONG YUEDIAN DIANBAI WIND POWER CO LTD

Method and device for measuring wind speed of pipeline based on ultrasonic interference

The invention discloses a method and device for measuring the wind speed of a pipeline based on ultrasonic interferometry, and the method comprises the steps: calculating the phase difference between an uplink wave and a downlink wave through arranging a first ultrasonic transmitting unit, a second ultrasonic transmitting unit and an ultrasonic receiving unit, and employing same-phase and opposite-phase interference waveform data, thereby precisely calculating the wind speed in the pipeline; the device adopts a simplified hardware design, only one group of receiving circuit and ADC measuring circuit are needed, the cost is reduced, the reliability of the system is improved, each unit is stably mounted on the inner wall of the air duct through a fixing structure, and the fixing structure adopts a detection box form and adapts to various complex environments. The method and the device are suitable for the fields of industrial pipelines, laboratory ventilation systems and the like, have the advantages of high precision, low cost, high environmental adaptability and the like, and are widely suitable for airflow measurement and environmental monitoring.
Owner:NANJING CHUANGGUDE ELECTRONIC TECH CO LTD

Composite power switching type tramcar

The invention discloses a composite power switching type tramcar which comprises a track, a cruise car is arranged on the track, the cruise car is rotationally connected with a main driving rotating rod extending out of the cruise car, traveling wheels are fixed to the two ends of the main driving rotating rod, and the track comprises a straight track, a turning track and a climbing track. The cruise vehicle is provided with a power driving structure for driving a cruise vehicle main driving rotating rod to rotate, the power driving structure drives the cruise vehicle to run on a straight track, the turning power switching structure is installed in the cruise vehicle and drives the cruise vehicle to run on a turning track, and the turning power switching structure is matched with the power driving structure; a climbing power switching structure for driving the cruising vehicle to run on the climbing track is further mounted in the cruising vehicle, and the climbing power switching structure is matched with the power driving structure; a turning power switching structure and a climbing power switching structure are introduced, and the risks of collision, slipping and rail deviation are reduced by providing stable turning and climbing functions.
Owner:XIANGTAN NANFANG ELECTRIC LOCOMOTIVE MFG CO LTD

Certificateless linkable ring signcryption method and system based on SM2 algorithm

The invention belongs to but is not limited to the technical field of privacy protection, and discloses a certificateless linkable ring signcryption method and system based on an SM2 algorithm, the adopted SM2 algorithm is a public key encryption algorithm based on an elliptic curve, the secret key length is shorter, the safety is higher, and the operation efficiency is remarkably improved in the encryption and decryption process. A certificateless public key cryptosystem is used, dependence on a traditional PKI system is not needed, and complexity and cost of certificate management are reduced. According to the invention, a linkable function is creatively added into a ring signcryption scheme and is applied to a remote medical information system. On the premise of ensuring the privacy of the patient, a doctor can retrieve the medical record of the patient through the signature tag generated by the patient, so that the illness state of the patient can be better known without knowing the specific identity of the patient. Compared with an existing scheme, the scheme is more suitable for remote medical seeing of the patient, and the practicability is higher.
Owner:XIAN UNIV OF POSTS & TELECOMM

Small-opening scouring-resistant hard sealing ball valve

The utility model relates to the technical field of sealing ball valves, and discloses a small-opening scouring-resistant hard sealing ball valve which comprises a valve body, a connecting column, a nut, a wrench, a triangular plate, a limiting column, a sealing connector, a lower valve rod, a lower bearing, a valve seat, a sealing ring and a second spring. Connecting columns are arranged on the four right-angle sides of the valve body in the same direction, the ball body is a core component for controlling fluid circulation, and passing or blocking of fluid is adjusted through a through hole in the ball body. According to the small-opening-degree scouring-resistant hard sealing ball valve, operation is allowed in a partial opening state through design, the scouring effect of solid particles in fluid on the interior of the valve is greatly reduced through the small-opening-degree characteristic, and therefore the service life of the valve is effectively prolonged, and the small-opening-degree scouring-resistant hard sealing ball valve is particularly important when the fluid flowing at a high speed or with the high solid content is treated; the small-opening operation also allows finer flow control, provides more adjustment flexibility, and meets specific process requirements.
Owner:HENAN KAI VALVE VALVE CO LTD

Cluster optimization regulation and control method and system for low-voltage distributed photovoltaic access power distribution network

The invention discloses a cluster optimization regulation and control method and system for a low-voltage distributed photovoltaic access power distribution network, and the method can automatically remove dust and pollutants on a photovoltaic panel through employing an intelligently designed cleaning assembly, effectively maintains the clean state of the photovoltaic panel, reduces the light loss, improves the power generation efficiency, and improves the power generation efficiency. Meanwhile, the requirements for water and other clean resources are remarkably reduced, the environmental influence and the operation complexity are reduced, an intelligent sensor and a data collector are installed on each photovoltaic panel, the system can collect real-time data about the generating capacity, the environmental condition and the equipment operation state, the high accuracy of the data is ensured, and the real-time performance of the system is improved. Accurate evaluation of the influence of the data processing unit on each photovoltaic panel is supported by the accurate data, and future generating capacity and power distribution network requirements are predicted through a prediction engine, so that the cluster regulation and control system can automatically regulate output according to accurate prediction, and power grid load distribution and energy utilization efficiency are optimized.
Owner:HUANGSHAN POWER SUPPLY COMPANY OF STATE GRID ANHUI ELECTRIC POWER +1

Water vector high-efficiency energy-saving cooling tower control method and control system thereof

The invention discloses a water vector high-efficiency energy-saving cooling tower control method and system, and relates to the technical field of water vector high-efficiency energy-saving cooling towers, and the method comprises the following steps: uniformly arranging a plurality of humidity monitoring points in a surrounding influence environment of a water vector high-efficiency energy-saving cooling tower, and monitoring the humidity change around the cooling tower in real time; real-time data are collected through humidity monitoring points. Humidity monitoring points are evenly arranged around the water vector efficient energy-saving cooling tower, humidity change can be monitored in real time, the condition of large-amplitude humidity change can be recognized in time, after the large-amplitude humidity change is recognized, the regulation and control frequency of the rotation rate of the water vector machine core is intelligently regulated and controlled through the humidity change frequency, and the water vector machine core is controlled to rotate. The response capability and adaptability of the cooling tower are improved, the rotation rate of the water vector machine core is further dynamically adjusted based on the humidity value obtained in real time, and it can be ensured that the cooling tower always keeps the optimal cooling effect under various environmental conditions.
Owner:SHENZHEN CHENNUO ENERGY SAVING TECH CO LTD

Equal-division assembling and reinforcing method for prefabricated formwork of circular-arc-shaped equipment foundation

The invention relates to the technical field of prefabricated formworks, in particular to an arc-shaped equipment foundation prefabricated formwork equally-divided assembling and reinforcing method which comprises the steps that firstly, lofting is conducted on plywood according to the foundation diameter, a corresponding circular formwork outline is cut out, and a bottom fixing plate and a top end fixing plate are manufactured; finally, the base is divided into an even number of bottom fixing plates and top end fixing plates according to the diameter of the base; equilong battens are cut according to the height of the foundation to form supporting assemblies, and the supporting assemblies are evenly distributed between the bottom fixing plate and the top end fixing plate and fixed through nails, so that a prefabricated circular-arc-shaped equipment foundation framework is formed; the corresponding circular-arc-shaped equipment foundation framework is assembled on the bottom plate, and a complete circular-arc-shaped equipment foundation prefabricated formwork is formed; flattening an iron sheet higher than the top end fixing plate on the fixing cambered surface; and after the internal iron sheet is fixed, a circle is defined on the fastening groove by using a reinforcing steel bar, and the joint is fastened by using an opposite-drawing lead screw and then is welded and reinforced at the joint.
Owner:甘肃省安装建设集团有限公司 +1

High-degree-of-freedom automatic chain stamping mechanism

The utility model relates to the technical field of chain coining, in particular to a high-degree-of-freedom automatic chain coining mechanism which comprises a right dragging plate and is characterized in that a chain walking sliding way is arranged in the center of the top of the right dragging plate, a chain is arranged in the center of the chain walking sliding way, an oil cylinder acting seat is arranged in the center of the bottom of the right dragging plate, and the oil cylinder acting seat is connected with the right dragging plate. The high-degree-of-freedom automatic chain stamping mechanism comprises a chain walking sliding way, an oil cylinder base is arranged in the center of the top of the chain walking sliding way, a steel seal stamping mechanism is arranged on the top of the oil cylinder base, and a side positioning mechanism is arranged on one side of the bottom of the oil cylinder base. According to the chain marking device, marking can be rapidly and accurately conducted on a chain, the imprinting efficiency and accuracy are greatly improved, and the time needed by an operator in the positioning and imprinting process is shortened; and the upper stroke adjustable nut and the longitudinal adjusting support are arranged, so that the mechanism can meet the marking requirements of chains with different thicknesses or chains with different sizes.
Owner:HANGZHOU ZHEZHONG CHAIN

Cold plate surface temperature prediction method and system based on RNN-KAN network

The invention provides a cold plate surface temperature prediction method and system based on an RNN-KAN network, and the method comprises the steps: 1, building a cold plate surface temperature dynamic test board under multiple working conditions, and collecting the change conditions of the cold plate surface temperature under different working conditions; 2, noise data in the collected data are screened out, and vacancy values are complemented in a quadratic spline interpolation mode; 3, building a prediction model; 4, using a mean square error (MSE) as a loss function, using the training set to train the model, updating the weight and bias of the model through a gradient descent algorithm according to a gradient obtained by back propagation in time, and finally forming a prediction model; and 5, verifying the model by using the test set. The surface temperature of the cold plate can be controlled by effectively predicting the surface temperature of the cold plate, the risk of condensation of the electronic equipment is remarkably reduced, the phenomena of short circuit and corrosion are reduced, and the safety and reliability of the equipment are improved.
Owner:SHANGHAI JIAOTONG UNIV +1

Automatic detection method and system for electric power equipment detection instrument based on machine vision

The invention discloses an automatic detection method and system for an electric power equipment detection instrument based on machine vision, and relates to the technical field of automatic detection of instruments. According to the automatic detection method for the electric power equipment detection instrument based on machine vision, display panel image data of the electric power equipment detection instrument is continuously obtained, preprocessing and region division are carried out, measurement data such as voltage, current and frequency of the detection instrument are extracted, comprehensive analysis is carried out, a detection evaluation index is calculated, and the detection evaluation index is compared with a preset threshold value; according to the invention, by continuously acquiring and processing the image data of the display panel of the electric power equipment detection instrument, the working state of the equipment can be monitored in real time at multiple time points, and the data abnormity in the detection process can be found in time; the real-time performance and the precision are improved, data acquisition of an electric power equipment detection instrument without a data transmission function is facilitated, an experiment record and a report can be directly generated, unmanned operation can be realized, and personal safety is guaranteed in a high-risk operation place.
Owner:FUJIAN ZHIXIN POWER TECH SERVICE CO LTD

Controllable multi-channel three-dimensional dynamic culture system for simulating cell mechanical microenvironment

The invention belongs to the technical field of biology, and discloses a controllable multi-channel three-dimensional dynamic culture system for simulating a cell mechanical microenvironment, the controllable multi-channel three-dimensional dynamic culture system comprises a driving platform, a flexible driver and a cell culture box, the flexible driver is provided with a planar substrate and an outer wall provided with a periodic protrusion structure, and is provided with a hollow structure serving as an air chamber; one end is connected with the air path module through an air hole channel, and the other end is sealed; a groove is also formed in the outer surface of the planar substrate and is used for accommodating cells to be cultured; the flexible driver air chamber can be pressurized or depressurized, so that the bending degree is enhanced or reduced according to the preset frequency, and a mechanical microenvironment is generated. The three-dimensional dynamic culture system constructed by the invention can simulate a cell mechanical microenvironment, realizes dynamic culture of cells, and promotes cell proliferation and expression of specific proteins. In addition, the system can be conveniently designed into multi-channel culture, and has a very good practical application prospect.
Owner:HUAZHONG UNIV OF SCI & TECH

Video monitoring security device

The invention discloses a video monitoring security device, and particularly relates to the technical field of monitoring, the video monitoring security device comprises a camera, the upper end of the camera is fixedly connected with a protective cover, two sides of the protective cover are fixedly connected with anti-collision devices, the lower end of the protective cover is fixedly connected with a cleaning device, and the upper end of the protective cover is fixedly connected with a connecting device. According to the video monitoring security and protection device, the durability of the video monitoring security and protection device in a severe environment can be remarkably improved, functions of the device can be kept complete when the device is impacted by external force, the service life of the device is prolonged, a lens can be cleaned regularly, and the video monitoring security and protection device is convenient to use. And the automatic cleaning part can ensure that the lens is always in an optimal working state in various environments, so that the definition and the stability of an image are improved, the installation process is simpler, more convenient and faster, the installation time and the labor cost are reduced, and the overall installation efficiency is improved.
Owner:YANCHENG YABO INFORMATION TECHNOLOGY CO LTD

Energy-saving self-adjusting NSTG-UVC sterilizer for gardening

The invention discloses an energy-saving self-adjusting NSTG-UVC disinfection machine for gardening, which relates to the technical field of disinfection and comprises an ultraviolet disinfection core module, an automatic T10 value detection and adjustment module, an intelligent pathogen recognition module, an automatic light intensity adjustment module and a self-learning adjustment algorithm module, the automatic T10 value detection and adjustment module, the intelligent pathogen recognition module and the automatic light intensity adjustment module are connected with the self-learning adjustment algorithm module through the data acquisition system, and the self-learning adjustment algorithm module is connected with the ultraviolet disinfection core module and the control system through the data signal control wire harness. By installing the self-learning adjustment algorithm module, the self-adaptive learning adjustment function of disinfection operation is achieved, the problem that the disinfection effect is unstable due to the fact that the disinfection machine cannot adapt to complex water quality changes is solved, the disinfection efficiency is improved, the energy consumption and maintenance requirements are reduced, and intelligent operation is achieved.
Owner:JIANG SU NONG SHENG TAI GE NONG YE KE JI (JI TUAN) YOU XIAN GONG SI