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87results about How to "Achieve normal operation" patented technology

AGV obstacle avoidance path planning method in unmanned warehousing system

The invention discloses an AGV obstacle avoidance path planning method in an unmanned warehousing system, and the method comprises the steps: employing nested Logistic mapping and Skew Tent mapping to generate a chaotic initialization population to replace a population generation mode of a conventional differential evolution algorithm, carrying out the Levy flight operation after the selection operation, and carrying out the global path search on an environment map, thereby achieving the optimal path planning. And obtaining an AGV global feasible path avoiding obstacles in the environment map, and when the AGV has an unknown obstacle on the feasible path, re-planning the local path by adopting a dynamic window method so as to enable the AGV to realize an obstacle avoidance process in an interval where the unknown obstacle is located. The improved differential evolution algorithm enhances the global search capability through chaos initialization and a Levy flight strategy, and the AGV can quickly respond to an unknown obstacle through a dynamic window rule. The adaptability and the accuracy of path planning are improved, and the obstacle avoidance capability and the safety of the AGV in a complex environment are enhanced at the same time.
Owner:MASCH TECH DEV CO LTD

Remote control method for cross-brand combined multi-split air conditioner

The invention relates to the technical field of intelligent control of air conditioners, in particular to a remote control method of a cross-brand combined multi-split air conditioner, which comprises the following steps that a protocol conversion controller with a built-in communication module is connected into a cross-brand multi-split air conditioner system, and the communication module establishes communication with a cloud platform; the cloud platform adopts an independent communication protocol and issues an instruction to the protocol conversion controller through the communication module; the protocol conversion controller receives the instruction, converts the instruction into a communication protocol matched with each part of the multi-split air conditioner, and simulates other equipment to establish communication with target equipment; all parts of equipment of the multi-split air conditioner transmit data, protocol conversion is carried out through the protocol conversion controller according to the actual operation requirements of an indoor unit or a wire controller, the data are uploaded to the cloud platform through the communication module, and after the cloud platform calls an algorithm to simulate a correct instruction, feedback control is carried out. By means of the protocol conversion controller with the built-in communication module, communication with the cloud platform is established, instruction issuing or receiving is achieved, and then remote control is achieved.
Owner:QINGDAO FEIYI TECH CO LTD

Heat exchanger and heating and ventilation system

The embodiment of the invention discloses a heat exchanger and a heating and ventilation system.The heat exchanger comprises a heat exchanger body and a first refrigerant pipe, a first refrigerant connector is formed in the heat exchanger body, the first refrigerant pipe is provided with a first end and a second end, the first end communicates with the first refrigerant connector, and the second end is used for communicating with a throttling assembly; the first refrigerant pipe is used for refrigerant transmission between the heat exchanger body and the throttling assembly, and the first end of the first refrigerant pipe is lower than the second end of the first refrigerant pipe. According to the embodiment of the invention, the first end, connected with the heat exchanger main body, of the first refrigerant pipe is designed to be lower than the second end connected with the throttling assembly, so that when refrigerants and lubricating oil in the first refrigerant pipe are transmitted from the second end to the first end, the refrigerants and the lubricating oil are roughly transmitted from top to bottom; the refrigerant and the lubricating oil can be conveyed under the dual acting force of the pressure difference provided by the compressor and the gravity of the refrigerant and the lubricating oil, so that the refrigerant and the lubricating oil in the first refrigerant pipe are conveyed more smoothly, the oil blockage problem is not prone to occurring, and normal operation of the heating and ventilation system is achieved.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1

Reverse osmosis membrane with antibacterial function as well as preparation method and application of reverse osmosis membrane

The invention relates to a reverse osmosis membrane with an antibacterial function and a preparation method and application thereof, the preparation method comprises the following steps: (1) constructing a polyaromatic amide separation layer on the surface of a base membrane through an interfacial polymerization reaction to obtain a nascent state membrane; (2) reacting acyl chloride groups remained on the surface of the nascent state membrane obtained in the step (1) with fatty primary amine to obtain a reverse osmosis membrane with a tertiary aminated surface; and (3) reacting the reverse osmosis membrane subjected to surface tertiary amination obtained in the step (2) with a quaternization reagent to obtain the zwitterionic reverse osmosis membrane. The reverse osmosis membrane provided by the invention has excellent antibacterial function and permeability, and is an excellent material for household reverse osmosis water purifiers.
Owner:ZHONGFU LIANZHONG TECH CO LTD

Storage battery fault intelligent detection method and system

The invention relates to the technical field of electrical variable measurement, in particular to a storage battery fault intelligent detection method and system, and the method comprises the steps: determining the aging degree of a single battery through the charging and discharging cycle index, capacity data and environment temperature data of the single battery in a storage battery pack; correcting the current voltage value of the single battery by using the terminal voltage data, the capacity data and the aging degree of the single battery; correcting the capacity value by using the capacity data of the single battery and the environment temperature data; determining a voltage deviation degree and a capacity deviation degree between the corrected voltage value and the corrected capacity value and a corresponding average voltage and a corresponding average capacity in a series circuit where the single batteries are located; and determining a fault abnormity degree of the single battery by using the voltage deviation degree and the capacity deviation degree, and determining a fault battery by using the fault abnormity degree. By means of the intelligent storage battery fault detection method, the accuracy of storage battery anomaly detection is improved, and the storage battery with the fault anomaly can be located more accurately.
Owner:SHENZHEN TEFA TYCO COMM TECH CO LTD

Optimized operation method of optical storage charging station considering stepped carbon transaction and multi-agent collaboration

The invention relates to the technical field of optical storage charging stations, and discloses an optical storage charging station optimized operation method considering stepped carbon transaction and multi-agent collaboration, which comprises the steps of collecting carbon emission data of each agent in a charging station, considering interaction between the charging station and a power grid, and establishing a stepped carbon transaction mechanism; comprehensively considering the interest appeal and operation safety of each main body, and establishing a comprehensive optimization objective function by taking the maximization of the comprehensive benefit of the charging station as an objective; schedulable resources in the charging station are abstracted into intelligent agents, the intelligent agents cooperate with a carbon transaction mechanism, a multi-agent reinforcement learning framework is constructed to solve a comprehensive optimization objective function, and a multi-agent cooperative optimal operation scheduling strategy is obtained. According to the method, the nonlinear stepped carbon transaction mechanism close to the real carbon transaction market is established, the optimal scheduling strategy obtained based on the carbon transaction mechanism has perspectiveness, the benefits of the power grid and the optical storage charging station can be balanced, and the overall market competitiveness and risk resistance of a power system are effectively improved.
Owner:XUANCHENG POWER SUPPLY OF ANHUI ELECTRIC POWER CORP

Dynamically adjustable solar photovoltaic and photo-thermal integrated assembly

The invention belongs to the technical field of solar energy, and particularly relates to a dynamic adjustable solar photovoltaic and photo-thermal integrated assembly which comprises a glass cover plate, a solar cell panel, a transparent back plate, a liquid channel, a shutter device, a metal frame, an air interlayer, a hot-melt adhesive film, an aluminum film, silica gel and a controller. The liquid channel is wrapped by the aluminum film winding pipe and then adheres to the lower portion of the transparent back plate to form a heat collection device, the glass cover plate, the solar cell panel and the heat collection device are sequentially connected through heat conduction sol from top to bottom, the PVT assembly is fixed to the upper portion of the inner side of the metal frame, and the shutter device is arranged on the lower portion of the inner side of the metal frame and connected with the controller through a transmission shaft. The heat preservation shutter device capable of being adjusted in a lifting mode is used for replacing a traditional heat preservation layer, a shutter blind of the shutter device is opened under the high-temperature working condition in summer to cool the photovoltaic panel, and the photoelectric conversion efficiency of the photovoltaic panel is improved; in winter, a shutter blind of the shutter device is closed to resist the influence of external cold air, and the heat collection effect of the heat collection device is guaranteed.
Owner:TIANJIN UNIV

Shunting safety warning device for motor train unit

The utility model discloses a motor train unit shunting safety warning device which comprises an aisle, a valve arranged on the upper right side of the aisle and a fence arranged on the lower left side of the valve, a warning box is fixedly connected to the upper left side of the valve, a pit is formed in the lower right side of the valve, and the fence is fixedly connected to the upper left side of the valve. An infrared ray device is arranged on the lower side of the warning box, horn mouths are arranged on the front side and the rear side of the warning box, a warning lamp box is arranged on the front side of the fence, the system can automatically monitor a key area, warning measures are taken immediately once abnormal conditions are found, people are reminded to be away from a dangerous area in time, and the safety of people is guaranteed. According to the system, the probability of accidents is effectively reduced, the safety of a working place is improved, the dependence on manual monitoring can be reduced through the automatic monitoring and warning functions of the system, the labor cost of workers is reduced, meanwhile, the burden of the workers is relieved, and the workers can have more energy to put into other work.
Owner:CHINA RAILWAY SHANGHAI BUREAU GRP CO LTD NANJING EMU

Power distribution networking morphological architecture optimization method giving consideration to economy and reliability

The invention discloses an economical and reliable distribution network form architecture optimization method, which comprises the following steps of: calculating economical and reliable indexes according to basic architecture information of a distribution network and basic information of a load point; taking the minimum economic and reliable indexes as a multi-objective function, and taking the voltage, current, power balance and net rack of the distribution network line as constraint conditions to construct a multi-objective optimization model; a multi-objective optimization quantity value is solved through an ant colony algorithm, an optimal solution set is described to represent an optimized distribution network networking form architecture, a power grid form architecture with higher robustness, convergence and reliability is built, the power failure area is reduced, the influence caused by power failure is reduced, and economic operation of the power distribution network is achieved.
Owner:STATE GRID QINGHAI ELECTRIC POWER COMPANY +2

Traction device and bundling machine

The utility model provides a traction device and a bundling machine. The traction device comprises a traction input shaft, a hitching plate assembly, a front traction connecting frame welding part, a traction middle shaft, a rear traction connecting frame welding part, a traction output shaft, a pair of traction beams and a limiting mechanism, the traction input shaft is connected with the traction middle shaft, the traction middle shaft is connected with the traction output shaft, and the traction output shaft is connected with the hitching plate assembly. The hitching plate assembly is installed on the front traction connecting frame welding part, the front traction connecting frame welding part is rotationally connected with the rear traction connecting frame welding part, and the traction middle shaft is rotationally installed in the front traction connecting frame welding part and the rear traction connecting frame welding part. The pair of traction beams is connected with the rear traction connecting frame welding part, and the limiting mechanism is installed at the connecting position of the front traction connecting frame welding part and the rear traction connecting frame welding part.
Owner:LOVOL HEAVY IND CO LTD

Page processing method, device, equipment, storage medium and program product of subprogram

The application provides a subprogram page processing method and device, equipment, storage medium and program product; the method comprises the following steps: loading a page processing service for a web view page to be rendered of a subprogram, the subprogram runs in a web application, and the domain name of the page processing service is different from the domain name of the web application; sending a resource acquisition request to a proxy service through the page processing service, the resource acquisition request instructs the proxy service to acquire web resources carried by the web view page from a resource service and return the web resources; receiving the web resources returned by the proxy service for the resource acquisition request; and rendering the web view page based on the web resources through the page processing service. Through the application, the safety of the web application can be ensured, and the rendering and running of the web view page of the subprogram in the web application can be realized.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Number limiting processing method and device for multi-period lottery betting

The invention provides a number limiting processing method and device for multi-period lottery betting, and relates to the technical field of lottery business process.The method comprises the steps that for a multi-period lottery game, the distribution proportion of the multi-period lottery betting is set, and the betting permission upper limit number of each lottery period in the multi-period lottery game is distributed according to the proportion; before the current lottery period is sold, according to the number of the remaining betting permissions in the current lottery period and the upper limit number of the betting permissions in each lottery period in the multi-period lottery game, the multi-period betting permissions are loaded to the local memory from the background database; acquiring betting numbers and betting quantity of the multi-period lottery game in the selling process of the current prize period; and deducting the betting quantity corresponding to the betting number of the multi-period lottery game from the multi-period betting permission of the local memory until the multi-period betting permission of the local memory is deducted completely or the sale is stopped in the current prize period.
Owner:CHINA SPORTS LOTTERY TECH GROUP

Device for realizing automatic steering of medicine support

The utility model provides a device for realizing automatic steering of a medicine support, which comprises a feeding track and a lettering track, a lettering machine is mounted at the front end of the lettering track, the feeding track and the lettering track are arranged in a right-angle manner, a detection probe is mounted at the head of the lettering track, and a pushing cylinder is mounted on the outer side of the lettering track in contact with the feeding track. The pushing cylinder is connected with the detection probe through an electric signal. When the printed product reaches the head of the lettering track, the detection probe senses that the product reaches the determined position, and the pushing air cylinder pushes the product from the lettering track to the feeding track. A push plate is mounted at the front end of a push rod of the push cylinder. The angle of the push plate can be adjusted according to different products, and the products enter the feeding track in different forms. Therefore, the original linear layout of the linkage line is changed into the right-angle layout, so that not only is the placement requirement of equipment met, but also the space is greatly saved. The problem of insufficient sites is effectively solved, and normal operation of equipment is achieved.
Owner:HEBEI YUANZHENG PHARM CO LTD +1

A high temperature translation system for oven

The present invention provides a high-temperature translation system for an oven, comprising an oven body, a mounting bracket fixedly provided on the outer wall of the oven body, a driving mechanism fixedly provided on the mounting bracket, the driving mechanism penetrates into the oven through a transmission mechanism and is connected to the translation mechanism, the translation mechanism moves horizontally in the oven body through the transmission mechanism; a support frame is fixedly provided in the oven body, the translation mechanism is installed on the support frame; a sensor assembly is fixedly installed on the mounting bracket, and the sensor assembly is connected to the driving mechanism through a toothed chain. The high-temperature translation system for an oven described in the present invention arranges a reduction motor on the outer side of the oven, so that major vulnerable equipment such as control components and reduction motors do not work in high-temperature areas, thereby reducing equipment production costs and equipment failure rates, improving equipment reliability and equipment precision, and having good heat dissipation effects.
Owner:天津七所高科技有限公司

Steel structure profile hoisting device

The invention discloses a steel structure profile hoisting device, and belongs to the technical field of steel structure machining, the steel structure profile hoisting device comprises a supporting suspension arm, a lifting hoisting cable and a clamping mechanism, and the clamping mechanism comprises a fixing plate; a sliding groove is formed in the bottom of the fixing plate, two equipment plates are connected into the sliding groove, and an adjusting mechanism is installed on the fixing plate. A connecting box is installed at the bottom of the equipment plate, an equipment base is installed at the outer bottom of the connecting box, an air cylinder is installed in the connecting box, a connecting block is fixedly installed at the end of a piston rod, and a first rack is installed on the connecting block; two groups of rotating shafts are mounted on the equipment seat and comprise a first rotating shaft and a second rotating shaft, and a half gear is connected to the first rotating shaft; supporting rods are connected to the second rotating shaft and the non-tooth part of the half gear correspondingly, the bottom ends of the two supporting rods are hinged to a rack, and a clamping plate is installed on the rack. The problems that in the prior art, it is difficult to maintain uniform stress at all positions of a steel structure during hoisting of the steel structure, the steel structure is likely to incline due to the unstable gravity center, and then the risks of slipping, tripping and the like are caused are solved.
Owner:ZHONGMEI NO 3 CONSTR CO CONSTR INSTALLATION CO +1

Circulating treatment mechanism for circulating water of oxygen compressor

The utility model relates to the technical field of oxygen compressors, in particular to a circulating treatment mechanism for circulating water of an oxygen compressor, which adopts the technical scheme that the circulating treatment mechanism comprises an inlet blind pipe body and a communicating pipe, and a sealing flange plate is fixedly mounted at one end of the inlet blind pipe body; the communicating pipe is communicated and mounted on the sealing flange plate; the lowest point of the inner wall bottom of the communicating pipe coincides with the lowest point of the inner wall bottom of the inlet blind pipe body. The end, away from the sealing flange plate, of the communicating pipe communicates with the blow-down valve body. The utility model solves the problem that the sludge in the water pipeline of the equipment cannot be flushed on line.
Owner:SHAANXI YINGDE GASES CO LTD

Solar automatic seeding device based on machine vision

The utility model relates to the technical field of desert plant seeding, in particular to a solar automatic seeding device based on machine vision. The solar automatic seeding device comprises a shell, a seeding unit, a water and fertilizer applying unit, a solar power supply unit, a track transmission unit, an image acquisition unit and a control unit, wherein the image acquisition unit is arranged above the seeding unit; the image acquisition unit is used for acquiring a ground image and transmitting the acquired ground image to the control unit; the solar power supply unit is used for supplying power to the seeding unit, the water and fertilizer applying unit, the crawler transmission unit, the image acquisition unit and the control unit; the control unit is used for controlling the seeding unit, the water and fertilizer applying unit and the crawler transmission unit. According to the automatic seeding device provided by the utility model, the solar cell panel, the storage battery and the motor are matched, so that solar energy operation is realized, and deserts are greened under the aims of environmental protection and energy conservation.
Owner:QINGDAO UNIV OF TECH

CPU-FPGA-oriented graph neural network training acceleration method and system

PendingCN121936505Aachieve normal operationAchieve high throughput and automate operationsResource allocationPhysical realisationAlgorithmParallel computing
The invention relates to the technical field of neural network acceleration, and relates to a CPU-FPGA-oriented graph neural network training acceleration method and system. The method comprises the steps that a CPU stores complete graph feature data and distributes different feature data to storage modules of different FPGAs through data channels according to a load balancing algorithm; partitioning the GNN network model by the CPU, and matching a partitioned model operator with a corresponding FPGA (Field Programmable Gate Array); the CPU completes issuing and sampling of a partition model according to a sampler algorithm, and sends the partition model to the FPGA; reading feature data after the FPGA is started, completing a calculation task by a load execution module, and writing a result back to a CPU memory; the CPU completes data updating and weight updating; and resending the updated weight data to the corresponding FPGA, and carrying out iterative training. According to the invention, operation of the graph neural network on a CPU-FPGA platform is successfully realized, and the overall acceleration effect is excellent.
Owner:YUANQIXIN (SHANDONG) SEMICONDUCTOR TECHNOLOGY CO LTD

Dual armature winding multiple electromagnetic torque single stator single rotor reluctance motor controller

The present invention discloses a controller and method for a dual armature winding multiple electromagnetic torque single stator single rotor reluctance motor. The controller and method include: a first subtractor, a speed regulator, a current distributor, a stator side armature winding control unit, a rotor side armature winding control unit, a motor axial encoder and a speed calculator; the first subtractor obtains a motor speed given value and a motor speed feedback value, and sends the difference to the speed regulator, the speed regulator outputs a current given value which is passed into the current distributor, the current distributor outputs a current given value to the stator side armature winding control unit and the rotor side armature winding control unit, the stator side armature winding control unit and the rotor side armature winding control unit respectively perform double closed-loop control on the armature windings on both sides of the stator and rotor. In the face of different working conditions such as stator and rotor winding faults and drive circuit faults, the present invention can use the drive circuit alone to provide a certain torque output capacity and ensure sufficient fault tolerance.
Owner:XI AN JIAOTONG UNIV

Driving structure, electric driving system and vehicle

This utility model belongs to the field of vehicle technology, specifically relating to a drive structure, an electric drive system, and a vehicle. The drive structure includes: an integrated motor comprising a stator, an outer rotor, and an inner rotor, the stator being located between the outer rotor and the inner rotor, the stator having an outer coil and an inner coil, the outer coil being located inside the outer rotor and the inner coil being located outside the inner rotor; and a transmission assembly connected to the outer rotor and the inner rotor, and respectively connected to the wheels on both sides of the vehicle body.
Owner:DONGFENG MOTOR GRP

Multi-stage compressed air energy storage system for salt cavern gas storage and regulation and control method of multi-stage compressed air energy storage system

The multistage compressed air energy storage system comprises a salt cavern air storage chamber, the inlet end of the salt cavern air storage chamber is connected with a multistage compression device and a first heat exchanger, and the outlet end of the salt cavern air storage chamber is connected with a multistage expansion power generation device and a second heat exchange device. The heat storage liquid outlet end of the first heat exchanger is connected to the heat storage liquid inlet end of the first heat exchanger through the high-temperature tank, the second heat exchange device and the low-temperature tank; the salt cavern gas storage chamber and the high-temperature tank are respectively connected with a pressure potential energy-heat energy coupling conversion device based on a Ponghua material, and the pressure potential energy-heat energy coupling conversion device is used for releasing heat energy when the pressure is increased and absorbing the heat energy when the pressure is reduced. When the compressed air energy storage system needs to store energy across months and even seasons, excess compressed air potential energy is converted into heat energy through the pressure-heat conversion device, so that potential energy output is improved, and the efficiency and economical efficiency of the system are improved.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +3

Multifunctional simulation training device for photovoltaic power station

The invention discloses a photovoltaic power station multifunctional simulation training device which structurally comprises a preset practical operation photovoltaic unit and a 3D simulation system, the preset practical operation photovoltaic unit comprises a typical equipment structure library and an actual tool library, the typical equipment structure library comprises photovoltaic power station assemblies and connecting pieces, and the actual tool library comprises photovoltaic power station maintenance tools. The 3D simulation system comprises a simulation assembly and simulation software, the simulation assembly comprises a VR head display device, a simulation monitoring screen, an operating rod and a simulation computer set, a wireless transmission device is arranged in the simulation computer set, the VR head display device and the operating rod are both in wireless transmission connection with the simulation computer set, and the simulation software is installed in the simulation computer set. The simulation software comprises a simulation working condition selection system, a simulation assembly matching library and a simulation tool selection library. The invention particularly relates to a photovoltaic power station multifunctional simulation training device.
Owner:华能澜沧江新能源有限公司

Outer wall glass for photovoltaic integrated building

The invention relates to the technical field of building structures, and discloses photovoltaic integrated building outer wall glass which comprises a glass curtain wall, the glass curtain wall comprises a curtain wall frame, the inner space of the curtain wall frame is divided into an upper installation area and a lower installation area, and multiple sets of power generation units are arranged in the upper installation area in the length direction in an array mode. The power generation unit is arranged to be switched between a power generation state and a standby state, a control mechanism is arranged in the lower installation area and used for controlling state switching of the power generation unit, the power generation unit is parallel to the tempered glass in the power generation state, and the power generation unit is perpendicular to the tempered glass in the standby state. The power generation unit comprises an outer frame rotationally installed on the upper installation area, a rotating shaft formed at the rotating installation position is vertically arranged, a first photovoltaic panel is arranged in the outer frame, the outer frame is made of a transparent material, and when the power generation unit is in a power generation state, a diffusion plate is arranged on the side, facing the indoor space, of the outer frame.
Owner:GUANGDONG BLUE CASTLE CONSTR CO LTD

Enterprise information security management method and system based on cloud computing

The invention relates to the technical field of information management, and discloses an enterprise information security management method and system based on cloud computing. Firstly, an initial enterprise information security management matrix is screened based on correlation analysis, then enterprise information security management data is obtained, and an improved support vector machine algorithm is used for data cleaning; secondly, calculating the weight of an enterprise information security management index, constructing a whitening weight function matrix and a gray evaluation matrix according to the weight, and calculating an enterprise information security risk value; constructing an initial deep learning algorithm model, obtaining a deep learning algorithm prediction model after training, and outputting an enterprise information security risk prediction value; finally, the enterprise information security state is judged according to the enterprise information security risk prediction value, and enterprise information security management is completed. By analyzing and processing the enterprise information security data, the purpose of enterprise information security management is achieved, and the method is objective and accurate.
Owner:SHENZHEN HEYUAN INTERNET TECHNOLOGY CO LTD

Method and device for generating control parameters of voltage regulating equipment based on deep reinforcement learning

The present application discloses a method and device for generating control parameters of voltage regulating equipment based on deep reinforcement learning, which relates to the field of power grid operation technology, and its main purpose is to improve the problem that the existing power grid cannot meet the needs of new power grids in reactive power optimization, and thus cannot generate control parameters of voltage regulating equipment that meet the needs. It includes: obtaining the state parameters of the target power grid at a preset time; generating a control parameter generation model based on the completed model training, generating control parameters of the voltage regulating equipment according to the state parameters, the control parameter generation model is constructed based on a reinforcement learning network, and is obtained by model training based on a deep deterministic policy gradient algorithm and the interaction state with the target power grid; controlling each voltage regulating equipment in the target power grid according to the control parameters of the voltage regulating equipment.
Owner:EAST CHINA BRANCH OF STATE GRID CORP +1

Fault diagnosis device for high pressure system of thickness gauge

The application discloses a kind of fault diagnosis devices of thickness gauge high pressure system.The fault diagnosis device includes single-chip microcomputer (21), microcomputer display screen (22), high voltage regulating circuit (23), current regulating circuit (24) and interface module (25);Single-chip microcomputer can send control operating parameter to high voltage control unit by the serial interface (12) of high voltage control unit;Single-chip microcomputer can send control signal to high voltage control unit;High voltage regulating circuit can adjust the high voltage feedback voltage of high voltage control unit;Current regulating circuit can adjust the tube current feedback voltage of high voltage control unit;Operating microcomputer display screen sends instruction to high voltage control unit, controls the operation of high voltage control unit, receives the feedback data of high voltage control unit, and shows the feedback data of high voltage control unit on microcomputer display screen.The fault diagnosis device is used to diagnose the high pressure system of thickness gauge, and the fault point in high pressure system can be quickly determined.
Owner:BAOSHAN IRON & STEEL CO LTD

Intermittent stop mechanism for material box conveying

The utility model relates to a material box conveying intermittent stop mechanism which comprises a fixing plate, a power source is installed on one side face of the fixing plate, a piston rod of the power source penetrates out of the fixing plate and is hinged to a connecting block through a connecting piece, a guide plate is installed on the fixing plate, and the guide plate and the piston rod of the power source are arranged in parallel. A shaft plate is arranged on the side, close to the connecting block, of the bottom of the guide plate, a connecting shaft is installed between the connecting block and the shaft plate in a penetrating mode, the end, penetrating out of the shaft plate, of the connecting shaft is connected with a swing plate, a reset rod is hinged to the end, close to the fixing plate, of the swing plate, a positioning rod is hinged to the end, away from the fixing plate, of the swing plate, and the reset rod and the positioning rod movably penetrate through the guide plate. The conveying mechanism can operate normally during material taking, circulation time is shortened, the structure is compact, and production efficiency is high.
Owner:QINHUANGDAO FANGHUA SECM MACHINERY

High-purity nitrogen laser welding machine

The utility model discloses a high-purity nitrogen laser welding machine, which belongs to the technical field of nitrogen laser welding machines and comprises a machine body, a gas pressure gauge, a control system, a circuit system, a cooling-water machine, a laser device, a gas pressure gauge, a gas pressure gauge, a gas pressure gauge, a gas pressure gauge, a gas pressure gauge, a gas pressure gauge, a gas pressure gauge, a gas pressure gauge, a gas pressure gauge, a gas pressure gauge and a gas pressure gauge. Nitrogen in air is separated by adopting a pressure swing adsorption principle, preparation of high-purity nitrogen is realized by utilizing oxygen and nitrogen adsorption capacity and speed difference of a carbon molecular sieve, and due to the design, the purity of gas protection in the welding process is improved, and the gas protection effect is improved. The gas pressure gauge, the control system, the circuit system, the cooling-water machine, the laser device, the nitrogen making device and other key assemblies are tightly integrated through the fixed connection mode of the machine body, and the compactness of the structure and the simplicity and convenience of operation are achieved.
Owner:HEBEI XIANGMA TECH CO LTD

Train wireless gas detector with temperature and humidity compensation function

The utility model relates to the technical field of wireless gas detectors for trains, in particular to a wireless gas detector with a temperature and humidity compensation function for trains, which comprises a mounting shell, an L-shaped channel is arranged in the mounting shell, a power mechanism is arranged on one side of the lower end of the mounting shell, and a transverse shaft and an abutting rod are arranged on the power mechanism. A ventilation abutting mechanism is arranged on the transverse shaft. According to the invention, operation of multiple groups of mechanisms can be realized through a single power part, stable flow of gas in a closed train compartment can be effectively realized, and meanwhile, the three detection assemblies can rotate in multiple directions, so that the detection effect and quality can be improved.
Owner:中国铁路兰州局集团有限公司

A broken structure and sludge pump anti-blocking device

The present application relates to the technical fields of sludge pump anti-blocking, and discloses a broken structure and sludge pump anti-blocking device, which comprises a processing mechanism, the processing mechanism comprises a power unit, a stirring unit arranged below the power unit and a broken unit arranged on one side of the stirring unit, and the power unit, the stirring unit and the broken unit are used in cooperation; the broken unit comprises a transmission assembly, a first broken assembly sleeved on the outer circle of the transmission assembly and a second broken assembly arranged on one side of the transmission assembly. The present application has the beneficial effect that through the control of the power unit, the normal operation of the stirring unit and the broken unit can be realized, the stirring unit can stir the extracted sludge, the solid content of the sludge can be prevented from being too large to be extracted normally, and the broken unit can realize the effect of breaking the large sludge in the sludge, so as to prevent the sludge pump from being blocked by the large sludge.
Owner:HUANENG LIAOCHENG THERMAL POWER CO LTD