23results about How to "Prevent overrunning" patented technology

The invention discloses an intelligent management platform suitable for a power plant, and relates to the technical field of power plant management, and the platform employs an intelligent scheduling system and a DDPG algorithm, and dynamically adjusts a power generation strategy according to the real-time equipment health score, residual life prediction, and the change of energy price and load demand. The power plant can quickly make adjustments when the load demand changes sharply, preferentially dispatch efficient and low-emission equipment, improve the overall energy efficiency and reduce energy waste, and through integration of a sensor network and edge computing, key operation parameters of the equipment are collected in real time, and a dynamic maintenance plan is generated based on health scores and residual life prediction of the equipment. The equipment about to break down is preferentially processed, the random forest model is used for health state evaluation and fault probability prediction, the health score of the equipment can accurately reflect the running state of the equipment, the maintenance time is dynamically adjusted in combination with the load condition of the equipment, and excessive maintenance or maintenance lag is avoided.

The invention discloses an AI-based intelligent energy management method and system for air conditioning equipment. The method comprises the following steps that indoor environment data are collected in real time through a sensor on the air conditioning equipment; cleaning, de-noising and normalizing the acquired environment data; collecting air conditioner setting preference data of the user; based on the collected data, reasoning and result output are conducted on operation of the air conditioner through an AI model in the edge computing device; according to the result output, an air conditioner control strategy adapting to the current environment and user requirements is generated; dynamically adjusting the operation mode of the air conditioner based on the real-time load and the power grid condition; the air conditioner control strategy is adjusted according to feedback data in the air conditioner operation process; according to the AI-based intelligent energy management method and system for the air conditioning equipment, a comfortable environment can be provided, efficient energy management can be achieved, the overall energy consumption is reduced, and the pressure on a power grid is reduced.

The present application provides a kind of inner slag discharging device and its slag discharging method, it includes high wear-resistant obturator, drill bit drill rod device, venturi water and drill slag dry-wet separator, the drill bit drill rod device is located in high wear-resistant obturator, drill slag dry-wet separator is connected with drill bit drill rod device by venturi water.The flow direction of drill slag can be changed by changing the running direction of slag discharging medium, so as to reduce the scouring, soaking and friction of slag discharging medium and drill slag on the hole wall, which is beneficial to the formation of drilling hole;It can achieve the purpose of point coring by achieving "falling and discharging simultaneously";Drilling cuttings can be well collected, which is beneficial to the civilized production of construction site and prevents dirtiness and disorder;If inert gas is used for slag discharging during construction, it can also achieve the purpose of inhibiting spontaneous combustion of coal seam.Through the above technical scheme analysis, the device is theoretically feasible and the operation is reliable, which provides good drilling quality for casing, greatly improves the success rate of drilling and casing and the extraction effect.

The invention provides a washing and drying all-in-one machine control method which comprises a drying program and comprises the following steps that before the drying program is executed, the external environment temperature is obtained; and if the external environment temperature is smaller than the first preset temperature, a compressor of the heat pump system is started, and a condenser is preheated. A preheating program is added, when the external environment temperature is too low, the condenser is preheated before a drying program is started, the problems of slow temperature rise and low drying efficiency caused by the influence of the external temperature during the drying program can be avoided, in addition, an auxiliary heating device does not need to be additionally added while the preheating function is achieved, and the energy consumption is reduced. Not only is space saved, but also current over-limit of the whole machine is avoided, and energy consumption is reduced. The invention further provides the washing and drying all-in-one machine used for executing the control method of the washing and drying all-in-one machine.

The invention relates to the technical field of intelligent control, in particular to an intelligent control method for road maintenance equipment. The method comprises the steps that the road condition and the vehicle speed of the road maintenance equipment are acquired; according to the road condition and the vehicle speed of the road maintenance equipment, operation parameters of the road maintenance equipment are adjusted, and the operation parameters at least comprise the sweeping power of the road maintenance equipment. According to the embodiment of the invention, by intelligently adjusting the running operation parameters of the cleaning equipment, the equipment can be prevented from running excessively under unnecessary conditions, so that the abrasion of the equipment is reduced, the service life of the cleaning equipment is prolonged, and the maintenance cost is reduced.

The application discloses a power grid load prediction method and system based on a large model, and relates to the technical field of power grid load prediction.The method comprises the following steps: S1, collecting multi-source load comprehensive data, and performing edge processing and data preprocessing; S2, monitoring a mutation point in real time, constructing a behavior label sequence, and identifying a high-frequency disturbance point; S3, constructing a prediction input vector of the multi-source load comprehensive data, performing load data prediction, and calculating a physical constraint regularization value; S4, performing dynamic credible interval evaluation, judging the prediction result in real time according to a credible boundary value interval, and feeding back a control instruction; and S5, performing error analysis and retraining triggering, comprehensively evaluating prediction accuracy and output stability, and performing model optimization, version management and feedback learning.The method solves the problem that a prediction model is prone to oscillation due to fast load change in a high-density load scene.

The present invention provides a coal water purification device for underground coal mines, comprising a crawler-type mobile base with a driving mechanism, a purification device installed on the crawler-type mobile base, the purification device comprising a primary purification component, a secondary purification component, a tertiary purification component and a water pump; the primary purification component comprises a large slag separation bin and a liquid storage bin, and a vibrating screen is arranged at the bottom of the large slag separation bin; the secondary purification component comprises a secondary purification cylinder and a filter screen; the tertiary purification component comprises a tertiary purification box and a stainless steel filter element; the vibrating screen is driven by a variable frequency motor. The present invention can realize the recycling of underground coal water and improve the underground working environment, and can effectively prevent gas from exceeding the limit in the tunnel, and has the advantages of good purification effect, high purification efficiency, energy saving, simple structure, safety and reliability.

The invention belongs to the technical field of coal mine safety, and particularly relates to a water-based mucus gas inhibitor, a preparation method and an application device.The preparation method of the water-based mucus gas inhibitor comprises the following steps that raw materials are prepared, mixed and stirred, and stored for use; the application device of the water-based mucus gas inhibitor is applied to the water-based mucus gas inhibitor and comprises a preparation device, a conveying device, a spraying device and a pressure injection device. The water-based mucus gas inhibitor disclosed by the invention is a convenient and environment-friendly substance with very small damage to a coal body, can effectively improve the wettability of the coal body, and has the capability of inhibiting desorption of gas in the coal body, and the technology is used for injecting the water-based mucus gas inhibitor into a coal seam before the coal seam is mined, so that dust is removed by improving the wettability of the coal body, and the coal seam is prevented from being damaged. And gas generated in the mining process is inhibited, so that safe production is ensured.

The invention belongs to the technical field of robots, and provides a parallel robot system and a material sorting method. The camera module is configured to identify the material in real time to determine the position information of the material so as to obtain the center point coordinate data of the material; the controller is provided with a sensing layer and a motion control layer, the sensing layer is used for storing center point coordinate data of the materials, and the motion control layer is configured to determine the displacement of each joint of the parallel robot body according to the center point coordinate data; and the driver is configured to output the driving force of each joint according to the displacement generated by the controller so as to drive the parallel robot body to move to grab the materials. According to the parallel robot system provided by the invention, three neural networks are introduced according to a neural network online learning control algorithm and are used for respectively approaching an inertia force term, a Coriolis force and centripetal force term and a gravity term of the robot to ensure asymptotic stability of the control system.

The invention relates to an inductance suppression capability optimization method and system based on temperature compensation, and relates to the technical field of notebook computer power supplies, and the method comprises the steps: collecting a temperature detection value and an inductance specification of a power adapter; determining a temperature change value according to the temperature detection value; determining a temperature rise coefficient according to the inductor specification; determining an inductance change value by combining the temperature rise coefficient and the temperature change value; and determining a switching frequency adjustment value according to the inductance change value, and outputting the switching frequency adjustment value for adjustment. The invention has the effect of improving the inductance suppression capability of the notebook computer power supply in a high-temperature scene.

The utility model discloses an active cross brace control device for inclined bridge tower construction, which comprises a steel wedge block, a servo component, a cross brace steel pipe and a steel connecting piece, one end of the transverse supporting steel pipe is connected with the inner side of one tower column of the inclined bridge tower through a steel connecting piece, the other end of the transverse supporting steel pipe abuts against the inner side of the other tower column of the inclined bridge tower through a servo assembly and a steel wedge block, and the servo assembly comprises a front end plate, a rear end plate, a steel frame, a servo jack, a locking mechanism and a base. The bottom side of the steel frame is installed on the base, the rear end plate is connected with the rear side of the steel frame and the base, a base of the servo jack is installed in the steel frame and connected with the steel frame and the rear end plate, the hydraulic rod extends out of the steel frame and is connected with the front end plate, and the two locking mechanisms are arranged on the two sides of the servo jack respectively. The locking mechanism comprises a locking screw and a locking nut. The utility model has the advantage that the safety and the stability of the bridge tower structure are ensured.

Provided is a vehicle-mounted device for rash-advance prevention at the tail end of a route, the device comprising: a positioning module (101) for acquiring a satellite position of a vehicle; a calibration module (102) for carrying out positioning calibration on the satellite position and an actual position of the vehicle when the speed of the vehicle is zero; a speed acquisition module (103) for acquiring a current speed of the vehicle in real time and using same as a computational speed; a calculation module (104) for calculating and obtaining the current distance from the vehicle to a tail end and the braking distance corresponding to the current speed; a determination module (105) for determining whether a difference value between the current distance from the vehicle to the tail end and the braking distance is less than a pre-set safety margin; and a braking output module (106) for sending a braking instruction to a braking system when the difference value between the current distance from the vehicle to the tail end and the braking distance is less than the pre-set safety margin. Also provided is a method for controlling rash-advance prevention at the tail end of a route. The device and the method have a high positioning precision, a simple structure and a low maintenance cost, and can satisfy the requirement of a test route.

The application discloses a nonlinear multidirectional irregular wave and internal wave wave-making system and a control method thereof, and relates to the technical field of hydrodynamic experimental research. The system comprises a wave-making module, a monitoring unit and a processing module. The wave-making module is of a non-uniform height layering structure, and the height of the layering structure can be self-adaptively adjusted according to a target frequency band. The monitoring unit is used for collecting flow velocity and wave height in real time. The processing module is internally provided with a mode management module, a wave construction module, a displacement conversion module, an instruction output module, a closed-loop correction module and a monitoring calculation module. The method comprises the following steps: generating a target vertical velocity profile, inversely kinematically solving, driving output, real-time monitoring, closed-loop selective correction, special monitoring and automatic mode switching. The application realizes multi-mode high-precision wave making of surface waves, internal solitary waves, quasi-steady internal waves, broken internal waves and mixed waves, and solves the problems of vertical velocity distribution distortion, full-frequency band correction interference and lack of pertinence in internal wave simulation.

The utility model relates to the technical field of lithium battery testing equipment, and discloses an electronic load device for testing the capacity of a small-sized lithium battery, which comprises a main body, a discharge power supply, an NTC sensor and a heat radiator are respectively and fixedly assembled on the right side of the main body, and a wiring pipe, a transformer, a rheostat, a control panel and a TFT color screen are respectively and fixedly assembled on the left side of the main body. A body is placed on the inner wall of the main body, and a sliding groove is formed in the bottom of the inner wall of the main body. Through the arrangement of the main body, the discharge power supply, the NTC sensor, the wiring pipe, the transformer, the timer, the control panel and the rheostat, the timer, the controller, the transformer and the rheostat are utilized to control the power-on time of a circuit within a time range set by a user in the operation process of the equipment; therefore, the over-limit condition of the body or the over-discharge condition of the discharge power supply can be avoided, and the safety and the reliability of the equipment in the test process can be improved.

This application relates to the technical field of mining equipment, specifically to a flow guiding component and a gas dispersing device suitable for gas dispersion. The flow guiding component for gas dispersion mainly includes an inlet pipe section, a middle pipe section, and an outlet pipe section. The inlet pipe section allows the fluid used for gas dispersion to undergo initial acceleration before entering the middle pipe section. The middle pipe section stabilizes the fluid flow. Finally, the outlet pipe section gradually reduces the velocity of the high-speed airflow in the middle pipe section as it flows out, while simultaneously expanding the airflow coverage area. This diffused airflow can cover the triangular area in the upper corner, and through the entrainment effect, it fully mixes the surrounding fresh air with the dispersed gas mass before discharging it outwards. This solves the defects of traditional straight-tube ventilation ducts, such as insufficient air velocity, limited coverage, and inefficient dilution, and avoids the problem of gas exceeding limits in narrow spaces, especially in the upper corners.

The invention discloses a gas outburst prevention dust remover which comprises a dust collection cylinder, a buffer box, a passive pressure buffer mechanism, an active pressure buffer mechanism and a mounting frame, and a spray head for removing dust is arranged at the top of the dust collection cylinder; the buffer box is fixedly communicated with the bottom of the dust collecting cylinder, a slag discharging opening is formed in the bottom of the buffer box, and the buffer box is communicated with a gas drainage pipe; the passive pressure buffering mechanism fixedly communicates with the top of the buffering box. The active pressure buffer mechanism is fixedly communicated with the dust collection cylinder, and a pressure sensor is mounted in the dust collection cylinder and connected with the active pressure buffer mechanism; and the mounting frame is used for fixing the dust collection cylinder on a working surface. According to the dust remover, the purpose of dust falling and removing can be achieved, meanwhile, when gas outburst occurs, the active pressure buffering mechanism and the passive pressure buffering mechanism are used for achieving the dual buffering effect, gas overrun caused by the fact that a large amount of gas enters a roadway is avoided, and the safety of coal mine production is improved.

The utility model belongs to the field of removing joint lines of earphone rear shells, particularly relates to a device for removing joint lines of earphone rear shells, and aims to solve the problems that the existing product is irregular, the manual rolling force and direction are difficult to control, joint lines in certain areas are not flattened frequently, and the rolled product is ugly, so that the production efficiency is high. In order to solve the problem that a plurality of products are wasted due to the fact that oil is sprayed on the oil tank, the oil tank comprises a bottom frame, a top frame is welded to the top side of the bottom frame, and two operation doors are rotationally connected to the two sides of the top frame through hinges correspondingly. When in use, the multi-directional horizontal and vertical movement can be realized, and the positioning assembly and the earphone rear shell can be driven to realize 360-degree rotation by matching with the rotating assembly, so that the qualified rate of products is ensured, more blocks are rolled compared with manual rolling of operators, the waste of the products is reduced, the cost is saved, and the production risk is reduced; the phenomenon that the force direction is difficult to control is avoided, and the product quality is improved.

This utility model relates to the field of bollard technology and discloses a retractable bollard with a light warning function. A fixed base and a guide rail are installed on the inner bottom of the fixed base, with the guide rail arranged along the height direction of the fixed base. Several sliding channels, adapted to the guide rails, are arranged at equal intervals around the circumference of the retractable bollard. A top cover is provided on the top of the retractable bollard, and several layers of annular warning light strips are arranged vertically at equal intervals along the edge of the top cover. A driving device is used to drive the retractable bollard to move up and down within the fixed base. The driving device includes a motor, a lead screw, and a nut. When the motor is activated, it drives the lead screw to rotate. The rotation of the lead screw is converted into linear motion of the retractable bollard through the nut, thereby realizing the raising and lowering of the bollard. This utility model improves road safety and warning effect, and achieves precise and stable control of the retractable bollard.

The invention provides a pipe cutting method and device, a storage medium and computer equipment. The pipe cutting method comprises the steps that a pipe conveying mechanism drives a pipe to move in the first direction so as to convey the pipe; the rotary cutting mechanism moves by a first preset distance in the first direction so as to cut the workpiece along the current preset cutting point; the rotary cutting mechanism moves by a second preset distance in the second direction so as to move to the starting point position of the next preset cutting point, the second direction is opposite to the first direction, and the first preset distance is equal to the second preset distance; and the starting point positions of the rotary cutting mechanism moving to two adjacent or more than one preset cutting points are compared, a position deviation value is obtained, and if the position deviation value exceeds a preset range, the feeding speed of the pipe conveying mechanism is adjusted. According to the pipe cutting method provided by the invention, feeding and cutting are synchronously carried out, and the working efficiency is improved.

The invention discloses an anti-falling method for a mobile crane dismounting worker, which comprises the following steps of: in the dismounting process of a mobile crane, suspending a five-point safety belt by using a suspension device, respectively placing two belt wheel bases on two sides of a mobile crane boom by using an auxiliary crane, and fixing the two belt wheel bases according to the position and the direction of a mobile crane main boom; the distance between the two belt wheel bases is adjusted, it is ensured that the connecting line of the two belt wheel bases is consistent with the radial direction of the boom, the pulleys below the two belt wheel bases are locked, the two supporting rods are installed on the two belt wheel bases respectively, and the connecting rod is hung on the two supporting rods. During on-site high-place operation, construction workers hang the five-point type safety belt hook on the connecting rod. A split design and a bolt fastening connection mode are adopted, so that the device can be disassembled in the transportation process, the overrun problem is avoided, the safety requirements of operators are fully considered, and the operators can safely and stably hang the five-point type safety belt by providing stable and reliable hanging points.

The utility model provides a part positioning mechanism, and belongs to the technical field of part positioning. Comprising a positioning base used for containing a plurality of sets of parts, the positioning base is provided with an alignment assembly used for enabling the sets of parts to be mutually aligned and clamped, the alignment assembly comprises a driving part and a clamping part, the driving part drives the clamping part to reciprocate towards the side where the parts are located, and the multiple sets of parts are aligned and clamped at the same time. According to the part positioning mechanism, quick alignment and clamping operation of multiple sets of parts can be achieved on automatic part feeding equipment, the positioning efficiency is greatly improved, and the overall production efficiency can be improved. The mechanism is high in positioning precision, easy and convenient to operate, high in universality and capable of effectively preventing parts from being damaged, improving the running reliability of equipment and guaranteeing the production efficiency and the product quality.

The invention discloses a system and method for controlling corner gas by coordinating a plugging gas wall with a magnetized active agent, comprising a gas wall component and a spray component, wherein the gas wall component is arranged on a mining channel, and the spray component is arranged near the corner, and the gas wall component is used to plug the channel where the working face is located; the spray component is used to spray the magnetic surfactant into the corner area; the gas wall component comprises a gas pipeline, a pressure gauge, an air bag, a buckle, an air charging valve, a safety valve and a pressure relief hole; the air charging valve, the safety valve and the pressure relief hole are all arranged on the air bag, and each air bag is provided with a buckle ring, and the adjacent air bags are connected with the buckle ring by the buckle, and the air bags are stacked in sequence in the height direction; the system provided in the invention has a small engineering workload during construction and operation, and can be used without the need to build additional large-scale equipment, thereby simplifying the use process and being suitable for safe and efficient use by coal mine workers.

The invention discloses a tool turret control method, electronic equipment and a storage medium, and relates to the technical field of tool turret control, and the tool turret control method comprises the following steps: after a tool turret control system triggers a tool searching task, determining the number of single-circle pulses of a cutterhead, and calibrating the position of an indexing point on the cutterhead based on the original point position, the number of single-circle pulses of the cutterhead and the number of tool aprons; the actual pulse number accumulated from the original point position in the encoder is obtained, and the initial position of an original point tool apron is determined based on the actual pulse number and the single-circle pulse number of the cutter head; based on the target tool number of the tool seeking task, the original point tool apron target position in all the indexing point positions is determined; and determining the working tool number of the tool turret according to the initial position of the original point tool apron, and determining the number of execution pulses of the motor based on the initial position of the original point tool apron and the target position of the original point tool apron under the condition that the working tool number is not the target tool number, so as to control the motor to rotate the cutterhead for tool searching based on the number of execution pulses. The tool turret control method is high in universality.