37 results about "Electric train" patented technology

The invention discloses a bullet train combined type filter cartridge waste gas purification system which comprises an AGV, the bottom of the AGV is provided with an RFID used for reading a landmark card, and one end of the bottom of the AGV is provided with a magnetic track sensor used for sensing the position of a magnetic strip; the collecting assembly is arranged above the AGV, the collecting assembly comprises a control box fixedly connected to the middle of the collecting assembly, and two dust collecting covers are arranged above the control box. The dust collecting device has the beneficial effects that telescopic covers are arranged at the two ends of the dust collecting covers in a telescopic mode, the dust collecting covers can extend outwards according to needs, and the dust collecting area is increased; dust is prevented from overflowing to two sides during collection; the fan and the filter cartridge are mounted in the negative pressure box, negative pressure is formed in the negative pressure box by the fan, dust-containing gas enters the filter cartridge to be filtered under the action of the negative pressure, large-particle dust is separated by the filter cartridge and falls into the dust collection box below, and fine dust is adsorbed by the filter cartridge, so that the dust collection efficiency and quality are effectively improved.

The invention relates to the technical field of electric car braking, and discloses an electric car braking system based on multi-redundancy guarantee and self-adaptive control and a control method, and the electric car braking system comprises a redundant circuit module, a distributed driving module, an efficient transmission module and a self-adaptive control center. The reliability is remarkably improved, seamless switching of a main circuit and a standby circuit within 50 ms is achieved through a circuit dual-redundancy architecture, the distributed multi-motor driven torque reconstruction algorithm is matched, the braking efficiency retention rate under a single fault is improved, the circuit fault survival rate reaches 100%, the braking efficiency and safety are optimized, the mechanical loss is reduced to 8% or below through an efficient transmission module, and the reliability is improved. The braking distance of 100 km / h is shortened to 29 m, the energy utilization efficiency is improved, the energy consumption is further reduced through the low-friction transmission design, the dynamic adaptability and the collaboration are enhanced, a self-adaptive control center solves the multi-system instruction conflict through multi-sensor fusion and fuzzy PID adjustment with the sampling frequency of 1 kHz, the braking stability is improved by 40% or above, and the braking stability is improved by 20% or above. And the response time of the key control instruction under the emergency working condition is shortened to 75mS.

1. Name of the designed product: base plate for electric train toy. 2. Use of the designed product: the designed product is used as a base plate for electric train toy. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model discloses an electric mini-train seat protection structure, and relates to the technical field of electric mini-trains. The protective device comprises a protective curved bar, a rotating rod is fixed to the lower end face of the protective curved bar, an assembling block is fixed to the lower end face of the rotating rod, an assembling hook is arranged on the other transverse end face of the protective curved bar, a mounting block is arranged on the end face, opposite to the assembling hook, of the assembling block, a tooth opening is formed in the assembling block, and a round opening communicated with the interior of the tooth opening is formed in the end face, opposite to the mounting block, of the assembling block. The diameter of the round opening is larger than the outer diameter of the tooth opening, a tooth block meshed with the tooth opening is arranged in the tooth opening, a pressing opening is formed in the other end of the assembling block, and a pressing block is arranged in the pressing opening. According to the protective structure, the tooth block and the tooth opening are used in a matched mode, so that the position of the protective bent lever is adjusted according to the height requirement of a person, meanwhile, when the protective structure is used, the two assembling hooks are hooked with each other, and therefore the position stability of the protective bent lever can be improved.

Disclosed is a reactor core (1) for a traction reactor (2) of a power plant (3), the reactor core (1) comprising: a first limb (10) and a second limb (12), both comprising a plurality of gaps (14); a first yoke (16) and a second yoke (18); and a plurality of connection joints (20) formed by a connection between the first yoke (16) and each of the first limb (10) and the second limb (12) and by a connection between the second yoke (18) and each of the first limb (10) and the second limb (12). The reactor core (1) further comprises an asymmetry with respect to the first central plane (A) achieved by an asymmetric arrangement of the plurality of gaps (14) with respect to the first central plane (A).

The present application relates to the technical field of battery pack assessment for electric trains, and provides a method and system for battery health status assessment and life prediction for electric trains. The method includes establishing a database using voltage fluctuation and temperature data in a floating charge state, analyzing the correlation mechanism between target parameters such as battery capacity retention and active lithium inventory and internal chemical substance loss; extracting driving behavior characteristics, temperature parameters, and electrochemical impedance spectra at three time granularities, namely, seconds, minutes, and hours, and aligning multi-frequency data using a dynamic time warping algorithm; constructing a graph structure model with electrochemical parameters as nodes and cross-level associations as edges, and extracting the topological relationship of battery aging characteristics through a graph neural network; and finally establishing a prediction model that integrates multi-dimensional features to achieve accurate prediction of the remaining battery life and capacity decay inflection point. Combining multi-scale features with electrochemical mechanisms improves the accuracy of battery health status assessment under complex working conditions.

1. Name of the designed product: toy (electric train). 2. Use of the designed product: for toys. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

This invention provides an emergency braking device for preventing derailment of electric passenger vehicles, relating to the field of braking technology. It includes a top plate, a connecting seat fixed to the lower side of the top plate, a line array camera fixedly mounted on the front side of the connecting seat, and extension arm structures on both sides of the connecting seat. An air tank located behind the connecting seat is fixed to the lower side of the top plate. The two extension arm structures, on the side furthest from the connecting seat, are outward-pointing and tilted forward and downward. The extension arm structures cause the connected sliding arm to move the storage tank and connecting seat towards the wheel. After the solenoid valve is opened, the gas in the air tank pushes the brake pads towards the wheel. During the friction between the brake pads and the wheel, the high-expansion alloy balls expand, further pressing the brake pads against the wheel. Meanwhile, carbonyl iron powder carried by the gas rubs against the two grinding wheels and the wheel section of the brake wheel, causing the wheel section of the brake wheel to extend into the inner side of the rail, thus achieving braking and preventing derailment.

The present invention discloses a method for detecting oil stains on a motor vehicle based on a multi-level feature aggregation network. The method comprises the following steps: obtaining an original image according to the internal structure of the motor vehicle, dividing the original image into a normal image and an image with oil stains, and manually annotating the image; obtaining a corresponding mask image for each annotated image; preprocessing the original image and the corresponding mask image, inputting the image into a multi-level feature aggregation network model to extract features, enhance features, and fuse multiple features; outputting an image of oil stain distribution; and continuously adjusting the network parameters based on a loss function and a stochastic gradient descent algorithm to obtain the most suitable multi-level feature aggregation network model; the model comprises at least a cross-layer feature attention module, a multi-level refined feature module, and a cross-layer feature enhancement module; and performing post-processing based on a fully connected conditional random field to optimize the boundary area in the image and outputting a binary map of oil stain distribution, thereby providing an effective and suitable method for locating the position of oil stains on a train.

The invention discloses a CR200J motor train unit fan heater control panel test device and detection method, the device comprises a low-voltage power supply module, a high-voltage power supply module and a test control circuit which are connected in parallel with an AC 220V power supply, and the input end of the control panel test circuit is connected in parallel with the output end of the low-voltage power supply module and the output end of the high-voltage power supply module. The control end of the test control circuit is connected to a circuit between the low-voltage and high-voltage power supply modules and the control panel test circuit; the lower computer is connected with the test control circuit and the control board test circuit. The output end of the control board test circuit is connected with the fan heater control board to be tested. According to the invention, the heating element and the fan are used as loads, the temperature sensor and the temperature control switch are used for monitoring the working state of the fan heater control panel, and comprehensive tests are carried out on 600V input and output open circuit or short circuit of the control panel, temperature control failure and non-working and over-temperature protection functions by sampling voltage and temperature parameters during working. Fault judgment is carried out on the fan heater control panels of various models through parameter display of the upper computer and display conditions of the indicator lamps.

The utility model relates to the technical field of electric trains, in particular to an electric train quick-release type decorating device which comprises a train box and a decorating part, two lifting frames are symmetrically and vertically fixed on the front end face of the train box, transverse strips are horizontally fixed on the upper side and the lower side between the two lifting frames, a guide column is vertically fixed between the two lifting frames, and the decorating part is arranged on the guide column. The decorating part comprises an assembling part and a supporting frame, the assembling part comprises an assembling box, the assembling box is installed between the two lifting frames, an inserting groove is vertically formed in the top of the assembling box, a hole plate is horizontally fixed in the assembling box, a through hole is horizontally formed in the bottom of the front end face of the assembling box in the transverse direction, and a pulling frame is horizontally arranged on the front end face of the assembling box; and a positioning rod is horizontally fixed on the pulling frame. According to the utility model, the problems that the decoration modules of the existing small electric train are mostly fixedly connected through bolts, the connection mode is not favorable for quickly replacing and assembling the decoration modules of the small electric train, and the replacement convenience of the decoration modules of the small electric train is influenced are solved.

The invention provides a control method, device and equipment for an electric rail lifting connecting component and a storage medium, and belongs to the field of electric train models.The method comprises the steps that when a first train model receives an unhooking instruction, a first carriage set of the first train model is controlled to be separated from the first train model; when the first carriage group is static, the lower arm rods of all the electric rail lifting connecting components of the first carriage group are driven to rotate anticlockwise along the hinged positions of the lower arm rods and the underframe, the pull rod drives the upper frame to rotate anticlockwise along the hinged positions of the upper frame and the lower arm rods, and the height of the sliding plate is increased; the first carriage group is connected to the tail end of the second train model, the lower arm rods of all the electric rail lifting connecting components of the first carriage group are driven to rotate clockwise along the hinged positions with the underframe, the pull rod drives the upper frame to rotate clockwise along the hinged positions with the lower arm rods, and the height of the sliding plate is reduced. According to the technical scheme of the embodiment of the invention, automatic switching of the pantograph between the contact network models can be realized, and the simulation degree of the electric train model is improved.

The utility model relates to the technical field of electric trains, in particular to an electric train external hanging type bearing device which comprises a locomotive, a plurality of carriages are hung outside the right end of the locomotive, openings are formed in the front sides of the carriages, seats are arranged on the inner sides, close to the left ends and the right ends, of the carriages, and longitudinal stop levers are arranged on the left sides and the right sides of the openings in the front sides of the carriages. The rear end of the stop lever is rotationally connected with the rear side wall of the compartment, a hanging plate is installed at the front end of the stop lever, and hanging blocks for clamping and fixing the hanging plate are installed at the positions, located on the two sides of the opening, of the front side of the compartment. When people are carried in a carriage, the stop lever is rotated to be in a horizontal state, and the hanging plate is hung on the hanging block for locking and fixing, so that the movement of the people on the seat can be limited, the passengers can be effectively prevented from moving in the carriage, and a better safety protection effect is achieved.

The utility model provides an electric train artificial emergency bow device, relates to electric train instrument technical field, including the case, support pole, connecting rod, slope, rotation link, round connecting block, round axle, limit rod, sliding block and limit axle, one side threaded round hole of case has rotation link and is tightly connected in one side threaded round hole of case, and rotation link is rotatably connected with support pole, slope, limit rod one head through round axle, one end of support pole is equipped with two groups of round holes in the middle, and one side rotating joint has round connecting block in the middle of support pole, one end of slope is equipped with two groups of round holes in the middle, and one end rotating joint has round connecting block in the middle of slope, and the round connecting block of one end of support pole and one end of slope is tightly connected through connecting rod, and the combination of slope etc. improves the stability of the bow, enhances the security with intelligent alarm box and insulating sleeve, improves the operation convenience with rotation link etc., and solves the unstable transmission, no reliable emergency guarantee and difficult quick power supply respectively.

The utility model relates to the technical field of electric trains, in particular to an anti-collision structure for an electric train, which comprises a first supporting piece and a second supporting piece, the first supporting piece and the second supporting piece are symmetrically arranged, each of the first supporting piece and the second supporting piece comprises a lifting piece, a sliding plate and a supporting plate, and each lifting piece comprises a sliding frame. One end of the sliding frame is fixed to a carriage through a fixing bolt, a sliding plate is horizontally and slidably assembled in the sliding frame, a hole seat is horizontally fixed to the middle of the other end of the sliding frame in a penetrating mode, a guide rod is horizontally fixed to the sliding plate and horizontally and slidably assembled to the hole seat of the sliding frame, and a supporting plate is fixed to the end, extending out of the sliding frame, of the guide rod. A spring is horizontally fixed to the side end face of the supporting plate of the first supporting piece. According to the small electric train, an anti-collision structure is lacked at the joint of a plurality of carriages, after the carriages are braked, the carriages collide with one another due to inertia, the carriages are abraded due to collision, and meanwhile the comfort of passengers is improved due to inertia collision.

The invention discloses a high-precision imaging controller for track inspection, which relates to the technical field of track traffic and comprises a low-resolution encoder, a data acquisition module, a data processing module and a pulse signal generation module. Pulse signals output by a low-resolution encoder installed on a carrying platform in the prior art are multiplexed and transmitted to a data processing module after being collected by a data collection module, the data processing module records pulse serial numbers and corresponding moments at first, then the instantaneous speed of the track inspection system is calculated through pulse time intervals, signal filtering processing is conducted, and the instantaneous speed of the track inspection system is obtained. And finally, the pulse signal generation module converts the instantaneous speed into an imaging control pulse meeting the imaging resolution requirement, and the imaging control pulse serves as an imaging control signal of the track inspection system. According to the method, balance among'no additional high-precision hardware ', 'low calculation complexity' and'high pulse uniformity 'is realized, and the problem of high-precision imaging triggering when a track inspection system is mounted on platforms such as an electric passenger car and the like is efficiently solved.

The invention discloses a vehicle-mounted track inspection data matching method and system based on feature point matching, and relates to the technical field of track inspection, and the method comprises the steps: pre-collecting a complete image of a to-be-inspected line, carrying out the preprocessing of the complete image, obtaining an initial image, taking a fastener as a unit, and carrying out the cutting to obtain a plurality of fastener images; then, dividing each fastener image into a plurality of feature regions, carrying out sorting marking based on the number of feature points, and storing the fastener images subjected to feature region division into a fastener image library; a real-time image of a line is collected, a fastener image is obtained in real time, the fastener image is matched with stored prior data, a corresponding prior image is obtained through matching, finally, the prior image obtained through matching and the collected image are compared and detected, and track disease detection data are output. According to the method, feature extraction and matching are carried out on the features of the collected data, the problem that track inspection is difficult due to the fact that electric passenger car system data and background data are inconsistent is solved, and fine detection of whole-line data of a vehicle-mounted system is achieved.

The invention relates to a message transmission method and device, computer equipment and a storage medium. The method comprises the steps of obtaining an initial message in response to a power failure switching operation on a power supply arm; the initial message carries charged state change data of the power supply arm; the power supply arm is used for providing power resources for electric train driving; according to a size relationship between the byte length of the initial message and a preset length threshold, performing fragmentation processing on the initial message to obtain at least one target message; and sending each target message to a message receiver, so that the message receiver controls a card control route of the electric train according to each target message, thereby preventing the electric train from entering a non-electric area. By adopting the method, the safety of transportation and production can be improved.

This invention discloses a detection method for an onboard track inspection system, relating to the field of track technology. The method involves setting an inspection starting point on the track to be inspected and pre-collecting complete track images. Multiple fastener images are generated by cropping the images using fasteners as the smallest unit, thus obtaining historical track data. This historical track data is simultaneously deployed on a cloud server and a local inspection side. After the onboard track inspection system acquires real-time track images, it matches the inspection starting point and similarly crops the images into multiple real-time fastener images. Each real-time fastener image is then divided into regions. The local inspection side's historical track data is used to perform pixel-level comparisons and filter abnormal region images in different regions, generating incremental data which is then transmitted to the cloud server. The historical track data is then used to perform refined detection on the abnormal region images, outputting the defect detection results. This invention solves the problems of insufficient local detection performance, data accumulation, and detection delays under high-speed operation of electric trains, enabling real-time track defect inspection.

The utility model discloses an overhaul combination tool for a motor train, and relates to the technical field of overhaul tools for motor train units, the overhaul combination tool comprises a pen body, a quadrangular key head is fixedly installed on the side wall of the pen body, a winding box is detachably installed on the side wall of the pen body, and the inner wall of the winding box is rotatably connected with a winding roller. The winding box is provided with a winding roller, the winding roller is provided with a measuring belt, the side wall of the winding box is provided with an open slot, and the measuring belt movably penetrates through the inside of the open slot and extends to the outside of the winding box, the winding device is provided with the winding box, the winding roller and the measuring belt, and the measuring belt can be pulled out of the winding box, so that data measurement can be carried out; and the arranged measuring tape can be pulled out by any length, so that the pen body can be operated to mark the measuring position with enough distance, and the convenience of the device in use is improved.

This invention discloses a method and system for analyzing energy feedback and energy consumption characteristics during subway vehicle operation. It collects data on target urban rail transit lines and vehicles; based on the analytic hierarchy process (AHP) and grey relational analysis, it obtains core influencing factor indicators related to energy consumption / energy feedback characteristics; it constructs an input matrix based on the measured data of the obtained core influencing factor indicators, inputs the input matrix into a trained Transformer model, and outputs energy consumption / energy feedback correction coefficients; based on the constructed mechanism model, it obtains calculated energy consumption / energy feedback values, and uses the correction coefficients to correct the calculated values. This invention is adaptable to energy consumption calculation and analysis for different urban rail transit lines, and the calculation error can be controlled within 10%. It can provide a scientific basis for electric train energy consumption calculation, energy configuration optimization strategies, and other related energy consumption and energy consumption analysis, and has certain guiding significance for urban rail transit construction and operation and maintenance.

The invention relates to the technical field of bullet train maintenance, in particular to a bullet train wheel damage fatigue life prediction method and system. Comprising the steps that a near-field dynamic model is constructed, particle discretization is conducted on a wheel model, particles are formed, and the interaction between the adjacent particles is expressed through connecting keys; presetting a crack initiation judgment criterion to judge a crack initiation point area of crack propagation; recording the connecting bond elongation and cycle index of a mass point at the crack initiation point area; presetting a crack propagation key breaking criterion to judge whether the connecting key between the mass points is broken or not; recording the damage rate and cycle index of the mass point at the broken key for evaluating the crack propagation and service life of the bullet train wheel, and determining the crack state according to the damage rate; eliminating the mass points exceeding the critical damage rate according to the calculated damage rate; and outputting a crack path propagation prediction map, and calculating the fatigue life. According to the method, a theoretical basis can be provided for bullet train wheel maintenance, so that accurate and reliable prediction of the bullet train wheel fatigue life is realized.

The invention discloses an electric train drop and pull transportation method, a readable storage medium and equipment, and belongs to the technical field of logistics transportation. The optimal logistics plan which can convey the target goods to the destination station in time and has the highest goods loading rate is formed, the corresponding electric tractor and the corresponding electric trailer are loaded through the optimal logistics plan, energy supplementation of the train in the goods transportation process is avoided, the transportation efficiency is improved, and the transportation cost is reduced. The problems that the endurance mileage is insufficient, the dead weight is large and the cargo capacity is small in the drop and pull transportation process of a current new energy train are solved.

This utility model relates to the technical field of grinding equipment, specifically a grinding device for contact rails. It includes a guide rail, a slider slidably mounted on the guide rail, an angle grinder mounted on the slider, and hand-operated ball screws mounted on both sides of the guide rail. A positioning clamping device is installed at the upper end of each hand-operated ball screw, used to clamp and fix the upper end of the hand-operated ball screw onto the contact rail. This grinding device for contact rails utilizes the sliding cooperation between the guide rail and the slider, combined with the precise lifting and lowering adjustment of the hand-operated ball screws, to achieve precise control of the grinding feed. Compared to manual hand-operated angle grinder grinding, the smoothness of the grinding is significantly improved, effectively preventing current collection failures in the current-collecting shoes of electric trains due to uneven flow surfaces, thus ensuring the safety of subway operations.

1. Name of the designed product: base plate for electric train toy. 2. Use of the designed product: the designed product is used as a base plate for electric train toy. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

Provided is a communication system that comprises: a travel situation inference unit that infers a time series of positions for an electric train that is scheduled to travel one section of a railway line that is covered by a wireless base station when the electric train is traveling the one section of the railway line and a crowdedness situation for people on the electric train when the electric train is traveling the one section of the railway line; and a base station control unit that controls the wireless base station to emit a beam to cover the electric train as traveling the one section of the railway line on the basis of the results of the inference by the travel situation inference unit. The communication system may have a RAN control function and an AI processing (RAN Intelligent Controller (RIC), etc.) function.

The utility model discloses an electric passenger car auxiliary filter screen frame which comprises a fixed frame (1), a detachable frame (2) and a middle layer filter screen (3), the middle layer filter screen (3) is arranged between the fixed frame (1) and the detachable frame (2), an indexing pin (4) is installed on the fixed frame (1) in a welding mode, and an indexing pin head (5) used for fixing / detaching the detachable frame (2) is arranged on the indexing pin (4). At least one indexing pin stopper (7) matched with the indexing pin (4) on the fixed frame (1) for use is mounted at the corresponding position of the detachable frame (2); the utility model has the beneficial effects that the filter cotton frame and the pressing plate structure are optimized and reformed on the premise that the overall basic function requirement of the filter screen frame is met by taking the independent research design as the main part: the indexing pin structure is used for replacing a bolt structure for locking and fixing, and the filter screen frame is first in the industry, completely original, reliable in structure, high in durability, capable of being operated by a single person, and quick to disassemble and assemble; and the method is convenient to popularize.

The utility model relates to the technical field of train door system control, in particular to a train door isolation tool of an electric train. Comprising a T-shaped tool support which is vertically arranged, a short supporting arm and a long supporting arm are horizontally arranged above the two sides of the top end of the tool support respectively, the short supporting arm and the long supporting arm are arranged on a guide rail above a vehicle door in a clamped mode, and a travel switch contact contact platform is arranged above the center of the tool support. An elastic reset structure is arranged between the contact platform and the tool support. According to the utility model, the operation process is simple, excessive tedious repeated confirmation and contact operations among multiple departments are omitted, and the traction function of the train can be recovered in the shortest processing time; meanwhile, the state display of a driver operating platform on the whole train door is not influenced, and a trainman can continue to know the states of other train doors of the train.