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96results about How to "Avoid efficiency loss" patented technology

Adaptive photovoltaic module inclination angle adjusting method and system based on environmental conditions

The invention relates to the technical field of intelligent control and optimization of a photovoltaic power generation system, and discloses a self-adaptive photovoltaic module inclination angle adjusting method and system based on environmental conditions, and the method comprises the steps: obtaining short-term weather forecast data through a meteorological data interface, analyzing the weather forecast data, and predicting the environmental change in several hours in the future; monitoring pollution data of the surface of the photovoltaic module in real time through a sensor, and judging whether the pollution degree affects the power generation efficiency or not; according to the prediction result and the pollution degree, the inclination angle of the photovoltaic module is dynamically adjusted, the power generation efficiency under the upcoming illumination condition is optimized, the inclination angle of the photovoltaic module is dynamically adjusted in combination with short-term weather forecast data obtained by the meteorological data interface, and the power generation efficiency of the photovoltaic system under the complex environment is remarkably improved. The system can quickly respond to environmental changes, and efficiency loss caused by adjustment lag is avoided. And multi-factor collaborative optimization is realized, and the maximum power generation efficiency of the photovoltaic system under various conditions is ensured.
Owner:HUANENG RENEWABLES CORP LTD HEBEI BRANCH

Intelligent optimization control method and platform under variable load operation of coal-fired power plant

The invention provides an intelligent optimization control method and platform under variable load operation of a coal-fired power plant, and relates to the technical field of intelligent optimization control, and the method comprises the steps: calling historical operation data, carrying out the load trend change analysis, and completing the construction of a control analysis module; analyzing and outputting instantaneous PID control parameters according to the real-time load data; after the instantaneous PID control parameters are switched to, a flue gas emission acquisition module is activated; real-time flue gas emission parameters are obtained; performing denitration control optimization to obtain a real-time PID control parameter, and switching to the real-time PID control parameter; presetting a flue gas emission window, dynamically updating real-time flue gas emission parameters, dynamically updating real-time PID (Proportion Integration Differentiation) control parameters and performing seamless switching control on an SCR (Selective Catalytic Reduction) system. The control method solves the technical problem that when a control method in the prior art is used for dealing with an SCR system, efficient control is difficult to achieve under the dynamically-changing load condition, and then the denitration effect and the system stability are affected.
Owner:XINJIANG INST OF ENG

Unknown dynamic environment mobile robot path planning method based on reinforcement learning

The invention relates to an unknown dynamic environment mobile robot path planning method based on reinforcement learning, and belongs to the technical field of path planning. According to the method, a two-layer reinforcement learning structure is adopted, a bottom layer module learns global path planning, and an ellipse specific and precise strategy and a GliEF-Dyna-Q algorithm are provided in the early stage; the high-level module learns an obstacle avoidance rule to complete local dynamic obstacle avoidance; according to the GliEF-Dyna-Q algorithm, elliptic geometric knowledge is introduced to design an elliptic knowledge special and precise strategy to narrow the sampling range, a reward mechanism and path search are constrained and optimized through global and local perspectives, and an improved SA-epsilon greedy strategy is fused into Dyna-Q to achieve efficient global path planning. The high-level module provides a brand-new obstacle avoidance behavior reward mechanism and a more adaptive value function updating method so as to carry out comprehensive local obstacle avoidance activities. According to the invention, the robot can more efficiently realize obstacle avoidance and complete optimal path driving in a dynamic environment.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Method, system and equipment for reducing tool sticking probability during numerical control machine tool machining and medium

The invention relates to the technical field of machine tool machining, in particular to a method, system and equipment for reducing the tool sticking probability in numerical control machine tool machining and a medium. The method comprises the steps of firstly obtaining overall machining parameter information, dividing a machining area according to workpiece geometric information, and setting partition parameters according to the overall machining parameter information; triggering a corresponding processing instruction according to the current processing area; then monitoring the machining state in real time and calculating a tool sticking risk index; finally, when the risk index exceeds a safety threshold value, the partition machining parameters are automatically adjusted; the overall characteristics of the workpiece are considered, the machining requirement of a local area can be met, and flexible control over the machining process of the complex workpiece is achieved; the machining precision and efficiency are remarkably improved, the service life of the tool is prolonged, and meanwhile the tool sticking probability is greatly reduced.
Owner:GUANGZHOU TONGFA INTELLIGENT EQUIP CO LTD

Virtual power plant user privacy protection method based on scene data accurate desensitization

PendingCN119622796Aprivacy protectionEffective Privacy ProtectionDigital data protectionSimulationPrivacy protection
The invention discloses a scene-based data accurate desensitization virtual power plant user privacy protection method. The method comprises the following steps of: firstly, setting different desensitization intensities according to the sensitivity of data through a hierarchical desensitization method, and selecting different desensitization technologies to perform encryption processing or access control according to the use and use scene requirements of the data, so as to realize privacy protection and accurate desensitization; secondly, accurately identifying sensitive information in the data by adopting a sensitive attribute identification module, and matching proper desensitization intensity and strategy for the sensitive information; then, data hierarchical storage and encrypted transmission are adopted, and it is ensured that data of different hierarchies are properly protected; finally, a reasonable access control strategy is set according to different scenes and data sensitivities, unauthorized access and abuse are avoided, and meanwhile the accurate desensitization efficiency is optimized. According to the method, an efficient and safe solution is provided for user privacy protection in the virtual power plant by combining hierarchical desensitization, sensitive attribute identification, Merkle tree storage, encryption transmission and attribute-based access control.
Owner:HULUDAO POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER

Voltage-matched two-end perovskite-crystalline silicon laminated assembly and preparation method thereof

The invention discloses a voltage-matched two-end perovskite-crystalline silicon laminated assembly and a preparation method thereof, the laminated assembly comprises a perovskite top assembly and a crystalline silicon bottom assembly, the perovskite top assembly comprises a plurality of square perovskite assemblies, the square perovskite assemblies are provided with perovskite battery pieces in a laser scribing mode, and the perovskite battery pieces are arranged on the crystalline silicon bottom assembly. The adjacent perovskite cell pieces are connected in series and in parallel, the crystalline silicon bottom assembly comprises a plurality of crystalline silicon cell pieces connected in series and in parallel, the perovskite top assembly and the crystalline silicon bottom assembly are independently stacked, and the MLPE assembly is connected to one side of the crystalline silicon bottom assembly in series and is integrally connected with the perovskite top assembly in parallel. The top assembly adopts a splicing mode, efficiency loss caused by area expansion of a single perovskite assembly is avoided, the bottom assembly adopts a high working voltage and an MLPE assembly, and when the environment temperature changes, the working voltage of the bottom cell assembly can be adjusted, so that the bottom cell assembly is matched with the top cell assembly; compared with a conventional four-end assembly, the system installation cost is reduced, and meanwhile the power generation capacity of the four-end assembly is reserved.
Owner:CANDO SOLARPHOTOELECTRIC TECH (CHANGZHOU) CO LTD

Solar cell and photovoltaic module

The invention is applicable to the technical field of solar cells, and provides a solar cell and a photovoltaic module, the solar cell comprises a silicon wafer, and the process temperature of the silicon wafer for processing the solar cell is lower than 1000 DEG C; after the solar cell is subjected to high-temperature treatment, at least one oxide staggered ring is distributed on the silicon wafer, and the temperature of the high-temperature treatment is more than 1000 DEG C. According to the solar cell and the photovoltaic module provided by the invention, the silicon wafer cost in the solar cell produced by a low-temperature process can be reduced.
Owner:ZHUHAI FUSHAN AIKO SOLAR ENERGY TECH CO LTD +1

Multifunctional efficient glass edging production line

A multifunctional efficient glass edge grinding production line comprises a first double-edge coarse grinding unit A and a first polishing unit B. A first conveying transition table C is installed between the first double-edge coarse grinding unit A and the first polishing unit B. One end of the first conveying transition table C is suspended, and the opposite end of the first conveying transition table C is connected with the first double-edge coarse grinding unit A or the first polishing unit B. Glass enters the first conveying transition table C after being subjected to edge grinding of the first double-edge coarse grinding unit A, and finally enters the first polishing unit B to be polished. The glass edging and polishing integrated machine has the beneficial effects that the glass edging function and the glass polishing function are separated into two units, after glass edging is completed, when glass enters the polishing module to be machined, the movable mechanism of the edging module can achieve opening and closing adjustment through the width adjusting power mechanism, and it is not needed to wait for machining of the polishing module to be completed.
Owner:GUANGDONG LIFENG INTELLIGENT TECH CO LTD

Method for determining rubber content in rubber-containing plant based on gel permeation chromatography

The invention discloses a method for determining the content of rubber in a rubber-containing plant based on gel permeation chromatography, and relates to the technical field of analytical chemistry, and the method specifically comprises the following steps: S1, sample pretreatment: drying a rubber-containing plant sample and grinding into powder; s2, rubber extraction: performing ultrasonic extraction on the powder by using a mobile phase of gel permeation chromatography as an extraction solvent, centrifuging, and collecting supernate to obtain an extracting solution; s3, GPC (Gel Permeation Chromatography) detection: filtering the extracting solution, and injecting the filtered extracting solution into a gel permeation chromatographic instrument with a single chromatographic column for detection. The complete plant rubber content determination method is constructed by combining a total rejection GPC principle with an efficient sample pretreatment process, the defects of tedious pretreatment, low detection efficiency or inaccurate detection in the prior art are overcome, the method has the advantages of rapidness, accuracy and the like, extraction and detection parameters can be flexibly adjusted according to different plant samples, and the method is suitable for large-scale popularization and application. The method is suitable for quality analysis and breeding research of various gelatin-containing plants, so that the compatibility is improved.
Owner:SHANDONG LINGLONG TIRE CO LTD

Electronic component pin forming device

The invention relates to the technical field of electronic component processing, in particular to an electronic component pin forming device which comprises a forming unit which comprises a machine body, a cutting assembly and a polishing assembly, and the cutting assembly and the polishing assembly are arranged at the top of the machine body. The feeding unit comprises a conveying assembly arranged on the top of the machine body. The device has the beneficial effects that through cooperation of the forming unit and the feeding unit, pin forming and grinding integrated machining is achieved, bending forming and fixed-length cutting are completed at the same time through one-time punching by means of cooperation of a waste discharge notch formed in a female die and a male die cutter, positioning errors and efficiency losses caused by step-by-step machining are avoided, meanwhile, a first air bag is arranged on the inner wall of a grinding frame, and machining efficiency is improved. The air bag pressing block on the back face of the adsorption assembly synchronously extrudes the second air bag, the friction piece is driven to be attached to the pin in a self-adaptive mode, the polishing pressure can be automatically adjusted without a motor, the structure is simplified, energy consumption and cost are reduced, multi-face synchronous polishing can be achieved, and it is ensured that burrs are evenly removed.
Owner:CHUANGKE LEADING PORT (SHANGHAI) ENTREPRENEURSHIP INCUBATOR CO LTD

Workpiece surface profile line convex-concave anomaly detection and quantification method

ActiveCN121705972BHigh precisionPossessing multi-dimensional technical advantagesUsing optical meansManufacturing computing systemsTemplate matchingAlgorithm
The application discloses a workpiece surface profile line concave-convex anomaly detection and quantification method, and belongs to the technical field of precision measurement. The method comprises the following steps: S1, data acquisition; S2, parameter setting; S3, iterative anomaly segment identification; S4, anomaly segment refinement and type judgment; S5, point-level and segment-level quantification of the refined anomaly segment; S6, anomaly quantification result output and visualization; and S7, workpiece surface profile qualification judgment. The workpiece surface profile line concave-convex anomaly detection and quantification method has stronger adaptability to free surfaces and complex structures of non-standard parts, significantly improves detection precision and efficiency, and is significantly superior to traditional threshold methods and template matching methods in terms of precision and noise resistance, is suitable for complex environments in industrial sites, and meets the development needs of intelligent manufacturing for detection technology in terms of multi-scene coverage, high-precision quantification, high-efficiency response and flexible adaptation.
Owner:JIANGSU BRANCH OF CHINA ACAD OF MASCH SCI & TECH GRP CO LTD

Data transmission method and device, computer program product, and electronic device

The present disclosure is about a data transmission method and device, a computer program product, and an electronic device, and relates to the field of computer technology. The method includes: obtaining the data size of the data to be transmitted, assigning the reserved bits in the first protocol to obtain the third protocol according to the data size, and assigning the reserved bits in the second protocol to obtain the fourth protocol; determining the traffic type corresponding to the data to be transmitted according to the data size, and setting the display congestion notification value according to the traffic type; sending the connection request corresponding to the data to be transmitted and the display congestion notification value to the switch based on the third protocol and the fourth protocol, so that the switch modifies the display congestion notification value according to the third protocol and the fourth protocol to obtain the target display congestion notification value; receiving the target display congestion notification value, and adjusting the transmission rate of the data to be transmitted according to the target display congestion notification value. The present disclosure reduces the data transmission delay.
Owner:CHINA TELECOM CORP LTD +1

Gas purification system for smelting furnace

The invention relates to the technical field of metal powder processing, and discloses a gas purification system for a smelting furnace, the gas purification system comprises the smelting furnace, a heat exchange device, a filter box and a driving device, the heat exchange device is provided with two groups of heat exchange pipes, and the two groups of heat exchange pipes are respectively connected with the filter box and the driving device through pipelines; a vibration mechanism is arranged in the filter box, a filter assembly is arranged on the vibration mechanism, a sealing mechanism is arranged on the filter box, a collecting assembly is arranged on the sealing mechanism, and a preheating mechanism is arranged on the air outlet pipe. Efficient heat transfer of waste gas and purified gas is achieved through the two sets of heat exchange pipes, the filtering assembly and a temperature sensor are combined, inert gas circulation is optimized, the utilization rate is increased, equipment is protected, a vibration mechanism and a collection assembly achieve automatic cleaning of the filtering assembly, and maintenance shutdown is reduced; the heat transfer plate is used for recycling waste gas waste heat to preheat inert gas, energy consumption is reduced, and energy-saving and environment-friendly performance is improved.
Owner:HUNAN AOKE NEW MATERIAL TECH CO LTD

Controller of power conversion circuit and control method of output stage of power conversion circuit

The invention discloses a controller of a power conversion circuit and a control method of an output stage of the power conversion circuit. The controller is coupled to the output stage and provides a pulse width modulation signal to control the output stage to generate an output voltage and an output current. The controller comprises a control circuit, a mode judging circuit and an adjusting circuit. The control circuit is coupled to the output stage and generates a pulse width modulation signal to the output stage. The mode determination circuit is coupled to the output stage. When the power conversion circuit enters the light load mode, the mode judgment circuit generates a starting signal according to the output current. The adjusting circuit is respectively coupled to the output stage, the mode judging circuit and the control circuit. When the enabling signal enables the adjusting circuit, the adjusting circuit generates a first adjusting signal to the control circuit according to a feedback voltage related to the output voltage and a first reference value so as to adjust the pulse width modulation signal. According to the controller of the power conversion circuit and the control method of the output stage of the controller, noise in an audio range during light-load application can be avoided, efficiency loss of a fixed-on-time (COT) buck converter caused by the audio noise is avoided, and overlarge ripple of output voltage is avoided.
Owner:UPI SEMICON CORP

An automatic drawing system for producing bonded aluminum wire

PendingCN122273960AGuaranteed uptimeImplement temporary storageWire bondingStrength testing
This invention belongs to the field of aluminum wire bonding production technology, specifically relating to an automated drawing system for aluminum wire bonding production. The system includes a wire feeding device, a wire threading and drawing device, an intelligent wire storage device, a wire expansion and drawing device, and a wire take-up device arranged sequentially. The wire threading and drawing device performs initial diameter reduction and surface smoothing of the aluminum wire, and its internal oil supply structure effectively reduces friction damage during drawing. The intelligent wire storage device enables slow storage and release of the aluminum wire and automatic tension adjustment, ensuring that the operation of upstream and downstream processes does not interfere with each other. The wire expansion and drawing device uses a frustum-shaped expansion and drawing cylinder to perform secondary precise drawing and fine-tuning of the aluminum wire. The expansion strength detection component on the cylinder automatically adjusts the detection counterweight and rotational impact angle to perform real-time strength testing of the aluminum wire after drawing. This invention is rationally designed and can complete product quality sampling inspection of bonded aluminum wire without interrupting upstream production, thus improving the production efficiency of bonded aluminum wire.
Owner:CHANGZHOU RUNXIANG ELECTRON TECH CO LTD

Rubber mixing mill for processing fluoroelastomers

ActiveCN224738580URealize automatic repeated mixingReduce labor intensity
The utility model discloses a kind of rubber processing with rubber mixing mill, including base and two groups of support box being vertically arranged on base, two groups of the opposite side wall of support box are rotatably provided with two groups of roller, one group of the support box is provided with the driving assembly for driving two groups of roller relative rotation, the top of two groups of the support box is also provided with top plate and is integrated with the auxiliary mixing assembly for automatic cutting, recycling mixing material on top plate, and for accurate addition of color material feeding assembly;The opposite side wall of support box is provided with sliding slot, the auxiliary mixing assembly includes lifting plate slidingly arranged in two groups of sliding slot at both ends, the lifting plate bottom is provided with storage box and the bottom opening of box body. The utility model relates to rubber mixing equipment technical field, specifically provides a kind of rubber processing with rubber mixing mill.
Owner:JIANGXI HAITI TECH CO LTD

Air ticket sales volume prediction model construction method, system and electronic device

This invention discloses a method, system, and electronic device for constructing an air ticket sales volume prediction model, relating to the field of aviation information technology. The method includes: acquiring historical sales information for each flight during a historical sales period; using the historical ticket price, the sales stage identifier, and the historical reference ticket price as input data, and the historical ticket sales volume as a label; using the cumulative parameter of ticket demand over time, the price elasticity coefficient, and the average ticket demand as model parameters to train an initial air ticket sales volume prediction model; and iteratively optimizing the model parameters using a basic particle swarm optimization algorithm until the number of iterations is not less than a preset number, thereby generating a target air ticket sales volume prediction model. This invention can improve work efficiency and reduce labor costs.
Owner:CHANGLONG (HANGZHOU) INFORMATION TECH CO LTD +1

A data verification method and apparatus for a chip programming system

This application relates to the field of data verification technology, specifically to a data verification method and apparatus for a chip programming system. The method includes: for a multi-channel parallel chip programming system, statistically analyzing the clock cycles of each channel within each time window; determining the clock phase offset of each channel; evaluating the deviation between each channel and a second reference channel in the current clock cycle and the deviation of the clock phase offset, obtaining the timing deviation of each channel; and dynamically determining the verification delay time of each channel using the timing deviation and clock cycle, generating the verification trigger time for each channel for data verification. This balances verification accuracy and overall efficiency.
Owner:WUHAN VOCATIONAL COLLEGE OF SOFTWARE & ENG (WUHAN OPEN UNIV) +1

Electric power construction-oriented heterogeneous unmanned aerial vehicle dynamic cooperative command and dispatch method and system

The invention relates to the technical field of unmanned aerial vehicle dispatching, and discloses an electric power construction-oriented heterogeneous unmanned aerial vehicle dynamic cooperative command and dispatching method and system. The method comprises the following steps: decomposing task levels according to an environment tolerance threshold value and constructing an unmanned aerial vehicle capability matrix; collecting real-time environment parameters, calculating an environment coupling degree index, and generating a degradation task package when the environment coupling degree index exceeds a threshold value; calculating a single machine matching degree index, and if not, selecting the collaborative machines with the maximum capability complementation index to form a virtual collaborative group and distributing roles; position and wind speed vectors are obtained, and the time difference of arrival is eliminated by delaying takeoff after the flight speed is corrected. According to the invention, the environment adaptability, task completion rate and execution efficiency of heterogeneous unmanned aerial vehicle cooperative operation in an electric power construction scene are improved.
Owner:CHINA SOUTHERN POWER GRID GENERAL AVIATION SERVICE CO LTD

A circuit board desmear apparatus and method

The present application relates to the technical field of circuit board processing equipment, and particularly relates to a circuit board glue residue removing device and method. The device comprises a support frame, a rotating frame rotatably connected to the support frame, a mounting frame symmetrically connected to the bottom of the rotating frame, a rotating frame rotatably connected to the mounting frame, a driving motor symmetrically mounted on the side surface of the rotating frame, a brush cylinder symmetrically rotatably connected to the rotating frame, and a rotating shaft of the brush cylinder being connected to an output shaft of the driving motor, a first motor mounted on the side surface of the mounting frame, a first worm connected to the output shaft of the first motor, and a first worm wheel connected to the rotating shaft of the rotating frame and engaged with the first worm. Through cooperation of the cleaning frame, the first screw rod motor and the moving plate, the device can automatically scrape off the glue residue adhered to the brush cylinder and collect the glue residue into a collection box, effectively avoiding the problem of efficiency reduction caused by glue residue accumulation of a traditional brush, and significantly improving the glue residue removing effect and the continuous working capacity of the device.
Owner:RED BOARD JIANGXI CO LTD

Tea drying device with screening function

The tea drying device with the screening function comprises an obliquely-installed box body, an internal drying pipe is fixedly connected to the interior of the box body, the air inlet end of the internal drying pipe is fixedly connected with a first warm air blower, the internal drying pipe and one end of the box body are rotationally connected with a drying filter cylinder, and the other end of the box body is fixedly connected with a second warm air blower. A plurality of grading filter plates are fixedly connected to the interior of the drying filter cylinder, a plurality of back-flushing pipes are arranged above the internal drying pipe, a plurality of back-flushing shovel plates are slidably connected to the lower portion of the internal drying pipe, a rotary driving assembly is fixedly connected to the interior of the box body, and the rotary driving assembly comprises a driving gear ring, a synchronizing shaft, a driving gear and a rotating motor; under the synergistic effect of the internal drying pipe and the air holes of the back-flushing shovel plate, hot air flow is vertically sprayed out from the air holes of the shovel plate while the tea leaves are mechanically turned and stirred, so that penetrability drying is formed; the backflushing pipe reversely jets airflow to clean the grading filter plate, sieve pores are kept unobstructed, it is ensured that hot air evenly penetrates through the tea leaf layer, and local over-wet or over-dry is reduced.
Owner:HANGZHOU ZHIJIANG TEA CO LTD

Mine self-balancing anti-falling material hoist

PendingCN122343919AQuickly correct tilt postureavoid wastingBalancing machineStructural engineering
The application discloses a mine self-balancing anti-falling material elevator, and relates to the technical field of mine elevators, which comprises an elevator frame and an elevator box. Two traction machines are fixedly connected to the upper end of the elevator frame. First traction wheels are arranged on the two traction machines. A plurality of traction ropes are wound around the two first traction wheels. The lower ends of the plurality of traction ropes are fixedly connected to the upper end of the elevator box. A balancing mechanism is arranged on the elevator frame. The balancing mechanism comprises a U-shaped plate fixedly connected to the inner top of the elevator frame. Second traction wheels are symmetrically arranged on the lower end of the U-shaped plate through supports. Two U-shaped rods are slidably connected to the side walls of the U-shaped plate. The application can dynamically monitor and self-adaptively adjust the stress state of the traction ropes on both sides of the elevator box, automatically compensate the tension difference of the traction ropes on both sides, quickly correct the inclined posture of the elevator box, and ensure the uniform distribution of the loads of the traction ropes corresponding to the two traction machines.
Owner:山东烟台鑫泰黄金矿业有限责任公司

A continuous belt system for a TBM

The utility model relates to a continuous belt system for TBM in the technical field of continuous belt in TBM, specifically relates to a kind of continuous belt system for TBM, including hanger, parallel roller, support frame, distance sensor and controller. Lower belt is equipped in the lower of hanger;Parallel roller is located below lower belt;Support frame includes two columns, crossbeam and joist, two columns are used to support on TBM trolley, crossbeam is connected between two columns, joist is located above crossbeam, roll cylinder is equipped above joist, and jacking mechanism is equipped between crossbeam and joist;Controller can control jacking mechanism stop rising according to the distance information of lower belt detected by distance sensor. The utility model does not need to stop the operation of whole continuous belt system when installing new parallel roller, avoids the time and efficiency loss caused by parallel roller installation due to shutdown, effectively improves the efficiency of belt conveying slag.
Owner:CHINA RAILWAY NO 2 ENG GROUP CO LTD +1

Flow regulating mechanism for heat exchanger

ActiveCN224415867Uavoid wastingReal-time monitoring of liquid statusLiquid stateMechanical engineering
The utility model relates to the field of heat exchanger discloses a flow regulating mechanism of heat exchanger, including support plate, support plate is fixed in the outer wall front side of heat exchanger body, the inside of heat exchanger body is equipped with heat exchange pipe, the input of second water pump and the fixed first bypass pipe of delivery pipe intercommunication, the output of second water pump and the fixed second bypass pipe of heat exchange pipe one end intercommunication, in the utility model, through support plate, heat exchange pipe, control piece, PLC controller, first water pump, delivery pipe, flow control module, temperature sensor, second water pump, first bypass pipe and second bypass pipe synergies, system can real -time monitoring liquid state and automatic regulation flow, when first water pump appears the failure, PLC controller automatic identification and switches to second water pump, need not manual stoppage switching, greatly reduces the production interruption because of single point failure, improved the reliability and stability of system.
Owner:DAYE HUASHUN MASCH MFG CO LTD

Isolated three-active-bridge converter numeralization parameter optimization design method based on hierarchical constraint

The invention relates to an isolation type three-active-bridge converter numerical parameter optimization design method based on hierarchical constraint, and belongs to the field of power electronics. According to the method, the working principle of the isolated three-active bridge converter is analyzed, and a frequency domain steady-state analysis model is established; according to design requirements, working characteristics and a safe working domain of the ITAB converter, voltage gain constraint, inductance range constraint and maximum transmission power constraint are introduced in sequence; all main circuit parameters are constrained step by step, so that the parameter optimization range is greatly reduced; a power loss model of ITAB is established, and a mapping relation between a design space and a performance space is defined; and with the minimum weighted average loss of the whole working domain of the converter as a design target, parameter optimization design of the ITAB is completed, and an optimal circuit parameter combination is determined. According to the optimization design method, the parameter design space can be greatly reduced, the optimization difficulty is remarkably reduced, and the average efficiency of the converter in the whole working domain is improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

A mobile pump truck that monitors flow in real time and adjusts it intelligently

ActiveCN118370184BImprove wear resistance and corrosion resistanceReduce the amount of materialWatering devicesCultivating equipmentsLow loadControl theory
The present invention relates to the field of irrigation machinery technology, and specifically to a mobile pump truck capable of real-time flow monitoring and intelligent adjustment, comprising a vehicle body and a pumping unit fixed at the rear of the vehicle body, a load detection and adjustment mechanism fixedly connected to the outer wall of one side of the lower hopper of the pumping unit, a pipeline boosting mechanism fixedly connected to one side of the load detection and adjustment mechanism, and the load detection and adjustment mechanism comprising a round shell. In the present invention, a discharge pipe is provided on the round shell, and when the pressure sensor detects that the pressure exceeds the designed safety threshold, according to the specific load conditions, some square holes are opened, or all square holes are opened, and part of the material being transported is sent back to the lower hopper of the pumping unit along the discharge pipe for recycling, thereby reducing the amount of material that the pump truck needs to transport, thereby reducing the load. At the same time, without increasing the load of the pump truck, the pipeline boosting mechanism drives the appropriate squeezing of the feed pipe to improve the transportation efficiency.
Owner:ZHEJIANG BETTER PUMP CO LTD

A reciprocating conveying device for automatic production of photovoltaic cables

ActiveCN224783497UImplement asynchronous transferTension mutation none
A kind of reciprocating conveying device for photovoltaic cable automatic production, including guide rail and clamp system;Guide rail is equipped with fixed support part and sliding track part;Clamp system includes clamp base, reciprocating clamp and fixed clamp;Clamp base is by the first segment and the second segment of split and is made of fixed end and mobile end, fixed end is connected fixed support part, and mobile end is slidably arranged in sliding track part;Reciprocating clamp is arranged in mobile end, including reciprocating left clamp, reciprocating right clamp and reciprocating bottom chain;Fixed clamp is arranged in fixed end, including fixed left clamp, fixed right clamp and fixed bottom chain;The butt joint surface of mobile end and fixed end is equipped with complementary positioning mechanism;Guide rail is along line and is arranged multiple stations, and mobile end is alternately butted with the fixed end of different stations.
Owner:JIANGSU HAITIAN MICROELECTRONICS TECH

Wood block conveying device

The utility model discloses a wood block conveying device, which relates to the technical field of wood block processing, and comprises a conveying assembly and a height-limiting rejecting assembly, the conveying assembly comprises a supporting side plate, a belt conveyor is fixed on one side of the supporting side plate, a protective fence is fixed on the top of the supporting side plate, and the height-limiting rejecting assembly is arranged on the top of the conveying assembly. Comprising a mounting frame, the mounting frame is fixed to the top of a supporting side plate, a height detection piece is slidably connected to the inner side of the mounting frame, and a contact electrifying piece is arranged on one side of the height detection piece. According to the device, the height detection part is matched with the removing part, so that the accuracy and the automation degree of transporting and sorting the wood blocks are remarkably improved, the problems of missing detection of the ultrahigh wood blocks and disordered material accumulation are effectively solved, the operation safety of processing equipment is guaranteed, the efficiency loss caused by secondary arrangement is avoided, and the working efficiency of the processing equipment is improved. And meanwhile, cooperative control over accurate detection, automatic removal and orderly stacking is achieved.
Owner:FOSHAN SHUNDE FUHAO WOODWORKING MASCH MFG CO LTD