20results about How to "Reduce operation and maintenance workload" patented technology

The invention particularly relates to a cable line fault detecting and positioning system for an intelligent power distribution network ring main unit, and relates to the technical field of intelligent power distribution network fault detection. A multi-dimensional feature extraction and intelligent diagnosis module; a health state evaluation module; and a self-adaptive calibration compensation and control module. According to the invention, a passive acquisition mode is combined with steady-state conventional monitoring and transient double-trigger high-speed recording, so that hard fault related data can be accurately captured; the active test mode automatically injects a standard signal at a power grid load trough, flexibly captures soft degradation characteristics such as element aging and parameter drift, and the magnetic isolation design avoids interference to the power grid.

This invention discloses a device for wireless communication between underground manholes and the ground, relating to the field of urban underground infrastructure monitoring technology. It solves the problem that manhole covers and frames are mostly made of metal, which strongly shields electromagnetic waves, affecting data acquisition by monitoring equipment inside the manhole. The key technical points include: a manhole frame support: an open-frame structure adapted to the manhole cover; an adjustment component on the support to adjust the diameter of the support to accommodate differences in the manhole cover's diameter; and an equipment support: located on the support, forming a downwardly protruding load-bearing structure. The effect is that by fixing the transmitting antenna in the gap between the manhole cover and frame, the electromagnetic shielding effect of the cover and frame is avoided, significantly enhancing signal strength compared to inside the manhole, ensuring normal data communication between the monitoring equipment inside the manhole and the ground.

The present application provides a kind of waste gas treatment system of asphalt pre-mixing equipment, it is related to industrial waste gas treatment field, including: cyclone separator body, the top of the air outlet cylinder in the middle of cyclone separator body is fixedly connected with adsorption cylinder, the air inlet of one side of cyclone separator body is fixedly connected with corrugated gas guide pipe, and the discharge port of the bottom of cyclone separator body is fixedly installed with dust collection box;Pollution collection component, the pollution collection component includes the pollution collection box that is fixedly connected between cyclone separator body and spray tower;Adsorption component, the adsorption component includes the activated carbon placement box that is arranged in adsorption cylinder interior and is provided with through-hole setting at bottom portion.The linkage mechanism of multiple components: activated carbon replacement process triggers dust collection cavity cleaning, particle dirt collection and spray tower waste liquid collection simultaneously, reduces independent operation step;Pollution collection box is divided into two chambers by partition, respectively collects particle dirt and waste liquid, avoids secondary pollution caused by mixed treatment, and subsequent dirt disposal is more convenient.

This application relates to a fly ash transfer and dust removal device, belonging to the technical field of dust removal equipment. The application includes a fly ash storage tank for collecting fly ash, a screw feeder disposed at the bottom of the fly ash storage tank, a crusher disposed at the discharge port of the screw feeder, a screw conveyor disposed at the discharge port of the crusher, and a ash storage tank car disposed at the discharge pipe of the screw conveyor. It also includes a sealing assembly and a negative pressure balancing mechanism. The sealing assembly is disposed at the inlet and outlet pipes of the screw conveyor, for sealing connection with the discharge port of the crusher and the inlet of the ash storage tank car. The negative pressure balancing mechanism includes a negative pressure pipe disposed on the side wall of the discharge pipe of the screw conveyor, a bag filter disposed at the end of the negative pressure pipe away from the screw conveyor, and a negative pressure fan disposed at the exhaust port of the bag filter. This application can improve the sealing performance and dust removal efficiency throughout the fly ash transfer process.

The invention discloses a method and system for installing a gapless lightning arrester in the middle of an ultra-high voltage alternating current project line, and belongs to the technical field of alternating current transmission. The invention provides a method for installing a gapless lightning arrester in the middle of an ultra-high-voltage alternating-current engineering line, which comprises the following steps of: for the ultra-high-voltage alternating-current engineering line, calculating line overvoltage, and selecting a lightning arrester structure according to key parameters of the lightning arrester based on the line overvoltage; according to the test verification result of the lightning arrester structure, selecting a gapless installation scheme of the lightning arrester structure for the middle part of the ultra-high voltage alternating current engineering line; and determining a project implementation scheme based on the installation scheme and the basic condition of the extra-high voltage alternating current project line, and installing a lightning arrester structure for the extra-high voltage alternating current project line based on the project implementation scheme. According to the method, the operation reliability of the ultra-high voltage line is remarkably improved, and the operation and maintenance workload is reduced.

The utility model belongs to the technical field of grid-connected equipment, and particularly relates to a ventilation and heat dissipation mechanism for an automatic quasi-synchronization device, which comprises a box body, a double-shaft motor, a fan wheel, a dustproof cover, a clamping piece, a lifting mechanism, a supporting table, a rotating block, a cross rod, a brush head and a temperature sensor, the inner circumference of the dustproof cover is brushed and swept through the brush head, so that the air inlet is dredged, active dust prevention is achieved, smoothness of a heat dissipation channel is guaranteed, regular manual cleaning is not needed, and the operation and maintenance workload is reduced; through clamping and separation of a clamping piece and a rotating block and sensing of a temperature sensor on the internal temperature, intermittent work of the brush head is achieved, the dredging effect is guaranteed, energy consumption is reduced, and abrasion of the brush head is reduced; and finally, a dustproof cover is arranged on the bottom surface of the box body, and all parts are intensively arranged in the dustproof cover, so that the occupation of the internal space of the box body can be reduced, the layout space of core parts is large, and the structural compactness and expansibility are improved.

This application discloses a method for correcting misjudgments in high-speed multi-type event detection based on LoRA, relating to the field of intelligent transportation technology. The method includes: acquiring real-time event information on the highway, identifying it using the YOLO algorithm, and outputting the original preliminary event detection results and environmental parameters; standardizing the preliminary detection results and extracting semantic and scene features of the event targets from the preliminary detection results to obtain standard preliminary detection results; performing secondary verification and misjudgment correction using a LoRA-optimized large model based on the standard preliminary detection results to obtain the event detection results; uploading the event detection results to the road segment central monitoring platform, and retaining misjudged, missed, and new scene samples for iterative optimization. This application aims to resolve the contradiction between the low reliability of event detection in complex highway environments and the inability to deploy high-precision large models at low cost and high efficiency under existing hardware conditions.

The application relates to the technical field of intelligent power distribution and electrical control, in particular to a circuit breaker address automatic allocation device and method based on voltage detection. The device comprises an internal pull-up resistor, a voltage detection point, a connection terminal and a micro control unit, a unique resistance coding resistor is arranged at a corresponding position of an external mounting base, and the two constitute a voltage division circuit. The method is characterized in that, through power-on initialization and multiple voltage sampling and filtering, characteristic quantities are calculated based on voltage division, a unique address is matched in combination with a pre-stored mapping table, and after conflict detection, the address is stored and registered. The application adopts passive resistance voltage division and voltage bit characteristic quantity design, cooperates with an anti-interference mechanism, offsets the influence of resistance tolerance and power supply fluctuation, does not need manual operation and complex modules, supports hot plug, has simple structure, low cost, fast and accurate address allocation, is suitable for multi-scale power distribution scenes, has strong stability, and is convenient for batch deployment.

This application provides a method and electronic device for constructing a ventilation decision-making model based on reinforcement learning, applied in the field of ventilation decision-making model construction technology. The method includes: acquiring real-time pollutant concentration data at each monitoring point within the operating layer of a wastewater treatment tank; calculating the ventilation demand coefficient at each monitoring point; and forming a state space based on the ventilation demand coefficient of the entire operating layer and determining global safety priority weights and energy consumption priority weights; using the combination of operating parameters of each fan as the action space, and the negative value of a multi-objective evaluation function as the reward function; constructing an environmental simulator based on CFD simulation and single-area multi-fan speed combination calibration and multi-area coupling fitting methods; constructing a reinforcement learning model based on the state space, action space, reward function, and environmental simulator; performing offline training on the reinforcement learning model to obtain a pre-trained model; and during online operation, inputting real-time state data into the pre-trained model and outputting the target fan speed combination.

The invention relates to a dual-path ceramic composite membrane module system and a use method thereof, and belongs to the technical field of fluid membrane separation. Comprising a water inlet and a second water production port which are respectively formed in the upper side and the lower side of a membrane shell, and an upper filler, an upper sealing gasket, a lower sealing gasket and a lower filler are sequentially arranged in the membrane shell from top to bottom; a first water producing port is formed in the side wall of the membrane shell between the two sealing gaskets, and a concentrated water port is formed in the side wall of the membrane shell between the sealing gasket on the lower side and the filler on the lower side; the upper and lower ends of the tubular ceramic membrane component are connected with the sealing gaskets on the lower side; the upper end of the hollow fiber ceramic membrane bundle is connected with the filler on the upper side, and the lower end of the hollow fiber ceramic membrane bundle penetrates through the tubular ceramic membrane component and is connected with the filler on the lower side. According to the system, stable operation is guaranteed, and meanwhile the problems that a traditional ceramic membrane is low in filling density, narrow in working condition adaptability and high in large-scale application investment and operation and maintenance cost are solved.

The application discloses a multi-dose multi-scene intelligent mobile fire extinguishing device and a disposal method, relates to the technical field of fire-fighting equipment, and aims to solve the problems of limited coverage, single medium, low monitoring precision, poor scene adaptation and insufficient intelligent linkage of existing fire-fighting equipment. The device comprises a rigid-flexible modular combined track, a mobile fire extinguishing host, a multi-dose storage system, an anti-shielding monitoring mechanism, a power supply protection system and an intelligent control module, integrates three types of core fire extinguishing media, and is adapted to eight typical fire scene scenarios. The method is based on a multi-parameter fusion algorithm, realizes fire condition grading identification, multi-dose accurate selection and full-chain closed-loop disposal. The recrudescence inhibition rate of the application is greater than or equal to 99%, and the average response time is less than or equal to 15 seconds. The application has the advantages of modular structure, strong adaptability, convenient operation and maintenance, effectively solves the problems of poor universality and low disposal efficiency of existing equipment, and provides reliable technical support for fire safety in multiple fields.

The application discloses a kind of offshore box transformer internal environment control system and method, it is related to offshore electrical equipment control technical field, wherein, the system includes box transformer body, partition fan group, shell fan, sensing unit and control unit.Box transformer body is divided into high-pressure chamber and low-pressure chamber by partition, partition fan group is set to partition, shell fan is set to the shell of high-pressure chamber.Control unit is electrically connected with partition fan group, shell fan, sensing unit respectively;Control unit is used to receive the detection data of sensing unit, and according to detection data control partition fan group and shell fan start-stop.This scheme can complete temperature regulation inside box transformer, greatly reduce the invasion of external high salt mist air, while maintaining high protection level, realize efficient heat dissipation, and can realize the timely start of partition fan and shell fan when leakage, quickly discharge low-pressure chamber SF6 gas, eliminate security risks.

The present application relates to a kind of online monitoring device of transformer oil leakage rate with adaptive drainage function, the device includes the oil-water automatic separation measurement module and power supply and data processing module connected with each other;The housing of the oil-water automatic separation measurement module is provided with the communicating measurement cavity and drainage cavity from top to bottom;The top of the measurement cavity is provided with the opening for collecting transformer oil leakage, and hydrophilic oil-repellent membrane is arranged between the bottom of measurement cavity and drainage cavity;The side wall of the drainage cavity is provided with oil discharge channel, and stop valve is arranged in the oil discharge channel, the bottom of drainage cavity is provided with drainage channel, and float ball is arranged in the drainage cavity, and the density of the float ball is between water and transformer oil;The bottom of the float ball is connected with one end of float ball rod, and the other end of the float ball rod extends into the drainage channel, and is connected with stop valve control by connecting rod.Compared with prior art, the present application can eliminate environmental interference error, and realize high-precision transformer oil leakage measurement.

The invention discloses a photovoltaic module used for supporting a photovoltaic panel, and belongs to the technical field of photovoltaic equipment. The core structure comprises a rigid elastic piece and a flexible elastic piece, and the rigid elastic piece basically surrounds the flexible elastic piece and is in close contact with the flexible elastic piece. The rigid elastic piece is composed of a right-angle V-shaped part, a seat part and a C-shaped part, the right-angle V-shaped part is used for supporting the photovoltaic panel, the seat part is used for fixing the rigid elastic piece, and the C-shaped part is connected with the right-angle V-shaped part and the seat part and can generate elastic deformation; a gap is formed between the bottom end of the right-angle V-shaped part and the seat part, the gap can be expanded or shrunk when the C-shaped part deforms, the C-shaped part and the gap are always in close contact, and the gap does not disappear. According to the invention, through nesting cooperation of the rigid and flexible elastic members, the problems that a metal support member is easy to fatigue and fracture and poor in damping effect are solved, the defects that a flexible support member is insufficient in strength and easy to age are overcome, firm and elastic support of a photovoltaic panel is realized, the service life of an assembly is prolonged, and the operation stability of a photovoltaic system is improved.

The application discloses a kind of photovoltaic power station power generation area inspection control system, the inspection control system includes: unmanned aerial vehicle, for collecting photovoltaic module's thermal infrared image and visible light image;Weather station, for real-time acquisition photovoltaic power station's irradiance, ambient temperature and wind speed, and send inspection request to monitoring device;Analog map, for recording the geographical location of photovoltaic module string and the correspondence of photovoltaic module string and inverter;IV detection device based on inverter, for scanning photovoltaic module string and obtaining the IV curve of corresponding photovoltaic module string;Monitoring device, including IV diagnosis module, route planning module, inspection instruction module, image diagnosis module and defect processing module.The photovoltaic power station power generation area inspection control system of the application, the advantages of inverter I-V wide range fast diagnosis and the advantages of unmanned aerial vehicle accurate positioning and identifying defect ability are combined, and the operation and maintenance workload and operation and maintenance technical difficulty are reduced by the combination and running of data.

The utility model discloses a biomass gas tar purification device and relates to the technical field of biomass gas tar filtration. The device comprises a biomass gas pipeline, wherein the gas outlet end of the biomass gas pipeline is arranged in a downward inclined manner; the cooling assembly comprises a cooling sleeve, a static pressure sleeve with the inner diameter larger than that of the cooling sleeve and an exhaust fan, the cooling sleeve is arranged on the peripheral side of the upper portion of the biomass gas pipeline in a sleeving mode, an annular cooling cavity is formed between the cooling sleeve and the biomass gas pipeline, and a cooling air inlet is formed in the upper portion of the cooling sleeve; the static pressure tank is fixed to the bottom of the biomass gas pipeline, a gas inlet communicated with the gas outlet end of the biomass gas pipeline is formed in the top of the static pressure tank, a gas outlet is formed in the upper portion of the side wall of the static pressure tank, and a drain outlet is formed in the bottom of the static pressure tank. And the biomass gas entering the biomass gas pipeline is cooled under the action of the cooling assembly, so that tar in the biomass gas is separated out to be in a suspension droplet state and flows into the static pressure tank along the biomass gas pipeline.

This application relates to the field of electricity metering boxes and discloses a moisture-proof and dust-proof integrated electricity metering box, including an outer box and ventilation holes on the outer box. An inner box for sealing and housing electricity metering devices is installed inside the outer box. An air handling unit for circulating the internal air is installed on one side of the inner box. The air handling unit includes a circulation pipe connected to the inner box and inlet valve assemblies and exhaust valve assemblies installed at both ends of the circulation pipe. By designing the electricity metering box as a double-layered space structure with an outer and inner box, and using a sealed design for the electricity metering devices in the inner box, the direct intrusion path of external dust and moisture is fundamentally blocked. Simultaneously, the ventilation holes on the outer box are only used for airflow and heat dissipation within the outer box space, preventing dust-laden moisture from contacting the internal components of the inner box. Compared to traditional open structures, this improves the moisture-proof and dust-proof effect of the electricity metering box and reduces the risk of component corrosion and short circuits.

This invention relates to the field of thermal insulation sleeves, and more particularly to a frost-resistant multi-layer composite thermal insulation sleeve for heat tracing pipelines. The sleeve includes a pipeline body and an outer sleeve. Pipe flanges are installed at both ends of the pipeline body. An outer sleeve is installed in the middle of the outer periphery of the pipeline body. An inner sleeve is rotatably connected to the middle of the inner sleeve. An annular groove is formed in the middle of the inner side of the inner sleeve, and uniformly distributed spiral grooves are formed inside the annular groove. The inner sleeve is fitted onto the middle of the outer periphery of the pipeline body. Annular chambers are rotatably connected to the outside of both ends of the inner sleeve, and these chambers are installed on both sides inside the outer sleeve. Uniformly distributed guide vanes are fixedly connected to both ends of the outer periphery of the inner sleeve, and these guide vanes are all located inside the annular chambers. This invention, through its rotatable design, ensures that all areas of the outer periphery of the inner sleeve can be evenly fitted with the heat tracing material, completely solving the problem of "uneven local heating" in traditional thermal insulation sleeves and enabling control of the circumferential temperature deviation of the pipeline body.

The invention discloses a feeding device for polyester resin production based on coating processing, and relates to the technical field of feeding devices.The feeding device comprises a feeding assembly, the feeding assembly comprises a feeding bin main body, the surface of the feeding bin main body is sleeved with a connecting plate, a spiral feeding piece is fixed to one side of the feeding bin main body, and a discharging piece is fixed to the bottom of the feeding bin main body; mounting supporting legs are fixed to the bottom of the connecting plate. Through the collaborative design of the feeding assembly and the auxiliary assembly, the defects that a feeding device for polyester resin production is inaccurate in feeding, redundant in structure and disjunction in winnowing and feeding are effectively overcome, the strict requirement of resin production for the raw material ratio is met, on one hand, the extensive mode that the feeding amount is determined by the spiral feeding speed is abandoned, and on the other hand, the production efficiency is improved; a gravity-driven quantitative discharging structure is innovated, the quantitative stock bin is arranged, the discharging amount can be controlled according to the gravity change of materials, and the problems that the feeding speed fluctuates and the feeding amount deviates are solved.