15results about How to "Improve application" patented technology

The invention discloses a coal power multi-path transformation and new energy combination decision-making method under low-carbon transformation. The method comprises the following steps: firstly, constructing a system comprising first-level effect indexes such as environmental influence, economic benefit, energy safety and technical innovation and corresponding second-level indexes; then, alternative schemes of various coal power transformation technology and new energy project type combinations are generated; then quantitatively evaluating the effect index of each scheme, and calculating a comprehensive utility value by using multi-criterion decision analysis; identifying potential risk factors, and performing uncertainty analysis through Monte Carlo simulation; and finally, according to the low-carbon transformation target and policy evaluation scheme conformity, selecting a scheme which most conforms to the policy target, and continuously monitoring and adjusting. The coal-electricity multi-path transformation and new energy combination decision-making method under low-carbon transformation is beneficial to promoting energy low-carbon transformation, optimizing resource allocation, improving economic benefits, promoting technical innovation, enhancing risk management capability and ensuring that a project is consistent with policy orientation.

The saturated steam (supplying) supplementing system comprises a main steam pipeline, a steam supplementing pipeline, a condenser and a steam turbine generator, and a main steam-water separator front shut-off valve, a main steam-water separator, a main steam valve and a regulating valve are sequentially arranged on the main steam pipeline. The saturated steam (supplying) supplementing system applied to the steam supplementing type steam turbine can meet the utilization requirement of saturated steam, is suitable for occasions without superheated steam in a plant, can utilize two saturated sources with different pressure grades to generate power, can better recycle the saturated steam, can reduce the probability that the steam carries water, improves the operation safety of a unit, and is suitable for popularization and application. The steam water carrying rate is reduced, the dryness of the saturated steam is improved, the applicability of the saturated steam to a generator set is improved, the influence on the steam source side is reduced, the air exhaust valves and pipelines are arranged on the steam supply pipeline and the steam supplement pipeline, and normal work of the steam source side is not influenced when the steam turbine operates to adjust loads and suddenly change the loads.

The utility model relates to the technical field of peristaltic pumps, in particular to a cycloid ball peristaltic pump which comprises a housing, a roller is mounted in the housing, a first bearing is mounted on the inner wall of a cycloid inner wheel ring, the cycloid inner wheel ring is movably mounted in the housing through the arranged first bearing, a ball fixing sleeve is further arranged on the inner wall of the cycloid inner wheel ring, and the ball fixing sleeve is movably mounted in the housing. A plurality of holes are formed in the surface of the ball fixing sleeve, balls are installed at the holes, a shaft sleeve is installed on the inner wall of the ball fixing sleeve, the eccentric wheel is driven by the motor to rotate so as to extrude the balls, the swing motion of the balls can enable the cycloid inner wheel ring to rotate, and through the transmission mode, noise can be reduced; the rotation precision is improved, the cycloid inner wheel ring rotates to drive the multiple rollers to extrude the hose, so that fluid flows, pulsation of the fluid can be more uniform through extrusion of the multiple rollers, the device is small in size and can be installed in a narrow space, and the applicability of the application environment is improved.

The present invention discloses an elevator door lock detection circuit, comprising a front-end circuit located on one side of the door lock switch and a back-end circuit located on the other side of the door lock switch: the front-end circuit comprises a series circuit connected in series by a first resistor and a rectifier circuit, one side of the door lock switch is connected to one end of the series circuit, and the other end of the series circuit is grounded through a second resistor, the front-end circuit also comprises a power supply circuit, a comparator and an active detection circuit, the power supply circuit is connected between the series circuit and one side of the door lock switch, the first end of the comparator is connected to a reference voltage, the second end of the comparator is connected between the rectifier circuit and the second resistor, and the output end of the comparator is connected to the active detection circuit; the back-end circuit is connected to the ground through a third resistor. The detection circuit of the present invention is small in size, occupies less space, has no limitation on the life of the electrical switch, can be used for a long time in theory, and reduces the maintenance cost of the elevator.

The present application relates to the technical field of wisdom fire and building engineering digital supervision, in particular to a fire inspection and verification process optimization system based on knowledge graph and AI diagnosis, comprising: a data receiving step: obtaining basic attributes such as building age, height and purpose; a theoretical graph generation step: constructing a theoretical compliance graph based on attribute filtering regulation meta-graph; a fact graph construction step: converting structured Internet of Things sensor data stream and unstructured field image data to generate field fact graph; a difference quantization diagnosis step: comparing graph differences and calculating compliance deviation; a decision closed-loop feedback step: outputting compliance signal or rectification path data packet according to deviation; the present application greatly improves the applicability of the fire inspection and verification system in urban renewal and stock building reconstruction projects.

The application provides a design method of a reverseable gas turbine sliding bearing tile oil supply device, which comprises the following steps: S1, giving design input; S2, determining the number n of oil supply pipes; S3, determining the diameter phi of the oil supply pipes; S4, determining the positioning size L and alpha of the nozzle; S5, determining the diameter d and the spacing L of the nozzle; S6, calculating the oil flow; and S7, processing the reverseable gas turbine sliding bearing tile oil supply device meeting the design. K The design method scheme is reasonable, the design flow is clear, the guidance is strong, and the efficiency of the reverseable gas turbine sliding bearing tile oil supply device is greatly improved. The application is used in the domestic reverseable gas turbine sliding bearing design for the first time, and has very important reference value in the future gas turbine sliding bearing design.

The application provides a grate plate with anti-blocking function for a grate cooler, and relates to the technical field of the grate cooler.The grate plate is internally connected with grate bars arranged at equal intervals in a sliding mode, the two sides of the grate bar are arc-shaped, the two sides of the grate bar are rotationally connected with conveying rods, the surface of the conveying rod is provided with a spiral groove, the interior of the grate plate is provided with a cleaning mechanism, the cleaning mechanism comprises installation shells arranged at equal intervals, the surface of the installation shell is connected with the interior of the grate plate in a sliding mode, one end of the grate bar is rotationally connected with a connecting shaft, and the connecting shaft penetrates into the interior of the installation shell and is rotationally connected with the interior of the installation shell.The cleaning mechanism is arranged to directly discharge the cobblestones and clinkers stuck in the grate seams, to solve the problem that the cobblestones and clinkers in the grate seams are inconvenient to remove and affect the cooling of the clinker in the prior art, and to automatically remove the cobblestones and clinkers without stopping the machine, thus achieving better use effect.

The invention provides a machine vision-based personnel behavior monitoring method and device. The machine vision-based personnel behavior monitoring method comprises the following steps of: acquiring operation human body data of a monitoring area; preprocessing the operation human body data to obtain a preprocessing result; the preprocessing at least comprises human body segmentation; extracting a skeleton line by using an angular bisector feature extraction algorithm according to the preprocessing result, and calculating angle and direction information of human joints to obtain a feature extraction result; and performing behavior analysis and recognition according to the feature extraction result. By using the angular bisector feature extraction method, the outermost layer of the graph is stripped until only one connected unit width skeleton is left, so that a more accurate and continuous skeleton line is obtained, and the accuracy of follow-up behavior monitoring is improved. Different behaviors can be accurately identified and classified by analyzing information such as movement, postures and behavior modes of the human skeleton line. Only the acquired operation human body data is used for analysis, a sensor does not need to be configured, the scene applicability is high, and comfort and convenience are good.

The present invention belongs to the technical field of image interpretation, and specifically discloses a polarization synthetic aperture radar complex image data transformation method, including: step 1, selecting a SAR complex image; step 2, converting the SAR complex image into an amplitude image A and a phase image φ; step 3, calculating the mean square error σ of the amplitude image A; step 4, calculating the U image according to the mean square error σ of the amplitude image A; step 5, calculating the phase image φ; step 6, calculating the phase V image according to the phase image φ; step 7, the calculation result (U, V) is the final SAR complex image data transformation result. The U and V obtained by the present invention through the transformation method have almost the same numerical range and statistical distribution form, which is conducive to improving the application degree and depth of phase data in SAR image target enhancement and detection, and improving the interpretation accuracy of SAR remote sensing images.

The utility model discloses an assembly type composite floor slab die which comprises a bevel edge die and a straight edge die. The two bevel edge dies and the two straight edge dies are respectively crossed and connected end to end to form a rectangular frame, and the bevel edge dies are of ribbed structures. The straight edge die and the bevel edge die are integrated, so that the applicability of the die is increased; in the manufacturing process, when the front laminated plate is a bevel edge laminated plate and needs to be changed into a straight edge and side edge laminated plate, only the side face of the mold needs to be changed, and mold changing can be completed; the die does not need to be replaced during production, and material loss and labor hours increased due to frequent die change during production of components of different models are reduced.

The invention discloses a relay test system and device, and the system comprises a power processing module, an energy-saving load driving module, an overload protection module, a hybrid load switching module, a multi-station test control module, a data collection and monitoring module, and a main control module. The power supply processing module is electrically connected with the energy-saving load driving module and the hybrid load switching module, and the energy-saving load driving module and the hybrid load switching module are electrically connected with the multi-station test control module. According to the invention, through the sectional current driving design of the energy-saving load driving module circuit, only the current effect is kept in the pull-in stage of the relay, the voltage is reduced to 12-24V, and the energy consumption in the test process is greatly reduced; and meanwhile, the duty ratio adjusting circuit can realize multi-coil interpenetration driving, so that the utilization rate of the equipment is further improved.

The application discloses a PCB connector structure with an insertion angle and easy installation, which comprises an insulator and a contact piece, the insulator is integrally arranged, a blind hole for inserting the contact piece is arranged on the insulator, the insertion hole structure of the contact piece is arranged in an inclined manner, a cavity matched with the insertion hole structure is arranged in the blind hole, an inclined surface vertical to the axis of the insertion hole structure is arranged on the outside of the insulator, an insertion hole communicated with the cavity in the insulator is vertically arranged on the inclined surface, and the insertion end of the insertion hole structure is matched with the insertion hole on the insulator in an aligned manner. The application can increase the matching angle of the two-body PCB socket and the square disc socket, increase the application conditions of the product, simplify the product structure and reduce the assembly cost.

The invention provides a design method of a backing gas turbine sliding bearing tile oil supply device. The design method comprises the following steps that S1, design input is given; s2, the number n of oil supply pipes is determined; s3, the diameter phi of the oil supply pipe is determined; s4, determining the positioning size L and alpha of the nozzle; s5, the nozzle diameter d and the distance LK are determined; s6, the lubricating oil flow is calculated; and S7, the designed oil supply device of the sliding bearing tile of the gas turbine capable of reversing is machined. The design method is reasonable in scheme, clear in design process and high in guidance, and the efficiency of the sliding bearing tile oil supply device of the reversing gas turbine is greatly improved. The method is summarized in the domestic design of the sliding bearing of the backing-up gas turbine in the first use process, and has very important reference value in the design of the sliding bearing of the gas turbine in the future.

This invention discloses a heat exchanger assembly device and its usage method for installing flat tubes and fins. The heat exchanger assembly device includes an assembly platform, a flat tube assembly structure, a manifold assembly fitting, and fasteners. During assembly, the flat tubes are first placed stably along the length of the first groove to form the lower layer of flat tubes. Then, flat tubes are placed along the same length of the first groove, ensuring the newly placed flat tubes are precisely positioned above the lower layer to form the upper layer. For assembling a single-row heat exchanger, only the comb plate adapted for the single-row heat exchanger needs to be replaced. After forming a single layer of flat tubes, fins are placed directly between adjacent single-layer flat tubes, and the subsequent fixing and assembly process is the same. This assembly method eliminates the need to replace the heat exchanger assembly device, flexibly enabling the installation of both double-row and single-row heat exchanger tubes, effectively improving the applicability and efficiency of the heat exchanger assembly device, and reducing assembly costs.

The invention discloses a grounding device for electrical equipment in a power plant, and belongs to the technical field of electrical equipment. The device comprises a base, a plurality of fixing insertion rods are symmetrically and fixedly connected to the bottom end of the base, a cable fixing seat is fixedly connected to the top end of the base, a grounding assembly is installed on the base in a penetrating mode, a grinding assembly is slidably installed on the side wall of the grounding assembly, and a protection assembly is fixedly installed at the top end of the base. In the process of drilling a gravel layer, the electromagnet is electrified, the end of the electromagnet generates a magnetic pole after the electromagnet is electrified, the magnetism of the adjacent ends of the electromagnet and the permanent magnet is opposite, a magnetic attraction force generated under the action of the opposite magnetic poles drives the grinding disc to move upwards along the grounding column, and the grinding disc is driven to rotate synchronously after clamping fit. And surrounding sharp broken stones are polished to be blunt, so that the grounding pole is prevented from being scratched, the grounding pole is prevented from being damaged, and the grounding effect of the grounding pole is prevented from being influenced.