76results about How to "Increase redundancy" patented technology

This invention provides an aircraft ram air intake system and control method. The system includes a ram air intake and an emergency ram air regulating valve. The upstream side of the ram air intake is connected to the outside atmosphere, and the downstream side is connected to a heat exchange ram air line and an emergency ram air line. The heat exchange ram air line is arranged to provide heat exchange ram air, and the emergency ram air line is arranged to provide emergency ram air to the aircraft cabin. The emergency ram air regulating valve is arranged in the emergency ram air line to control the on / off state of the emergency ram air line. The aircraft ram air intake system according to this invention is more economical and safer, and also improves the comfort of the aircraft cabin.

A hybrid power module for ship propulsion relates to the field of marine power technology. To address the problems of existing ship propulsion modules, which often employ electric motors, traditional heat engines, and parallel gearboxes for propulsion, resulting in large, complex systems with low space utilization and poor operational stability, this invention utilizes a highly integrated parallel reduction gearbox, a flexible coupling, and an electric motor. This achieves high power density and reduces the size by half compared to existing ship propulsion modules, improving hull space utilization. Furthermore, it can directly drive the propeller shaft without external power. With increased power, a diesel engine or gas turbine can be introduced to drive the propeller shaft in parallel with this module. The forward and reverse rotation of the propeller shaft can be achieved by engaging or disengaging forward and reverse clutches. This module enables operation and switching of six different main engine modes, providing high redundancy in the power system and ensuring operational stability. It has a wide range of applications. This invention is applicable to ships.

The utility model provides an oil-resistant high-precision embedded thermal resistor, which belongs to the technical field of embedded thermal resistors, and comprises a reference end and a measuring end, the measuring end comprises a pipe sleeve head and two resistor elements arranged in the pipe sleeve head, the upper part of the pipe sleeve head is welded with an armored lead wire through laser, and the armored lead wire is connected with the reference end and the measuring end. The armored lead is sleeved with a silica gel heat shrink tube or a polytetrafluoroethylene tube, and a shielding lead is arranged between the armored lead and the reference end. According to the embedded thermal resistor, double resistor elements are adopted, so that the redundancy of a product is increased, cross validation can be realized, the measurement error is reduced, meanwhile, the lead directly connected with the measurement end is an armored lead, and a silica gel heat shrink tube or a polytetrafluoroethylene tube is sleeved on the lead, so that the oil resistance of the embedded thermal resistor is greatly improved, and the service life of the embedded thermal resistor is prolonged. In addition, environmental interference can be inhibited, thermal stability can be maintained, the service life can be prolonged, and the effective precision under actual working conditions is remarkably improved, especially in high-electromagnetic-interference, severe-temperature-change or corrosive environments.

The invention provides a traffic signal lamp redundancy identification system and method based on red light narrowband filtering, and belongs to the technical field of intelligent driving environment perception. The system is characterized in that a main processing module processes a color image based on a YOLOv8n model and a lightweight convolutional neural network, and outputs a first recognition result and the confidence of the first recognition result; when the confidence coefficient is lower than a threshold value, a redundancy identification module is started, a narrow-band image obtained by an auxiliary imaging module is analyzed, whether a strong red light signal emitted by a traffic signal red light exists or not is judged through self-adaptive threshold value segmentation, morphological processing and feature analysis, and a second identification result is generated; and the decision fusion module fuses the two paths of results to generate a final control instruction. According to the invention, through physical spectrum filtering and double-path information fusion, interference of ambient light such as sunset and the like is effectively overcome, and the robustness and safety of an automatic driving system in recognizing traffic lights under complex illumination, especially red light, are remarkably improved.

An electric stabiliser (1) for stabilising a floating structure is described. The electric stabiliser (1) includes a track (2) for guiding a mover (6) as a moving stabiliser mass. A direct current (DC) linear motor (8) includes a planar stator (10) that extends along the track (2) and the mover (6) that is adapted to move forwards and backwards along the track (2) as the stabiliser mass. The planar stator (10) includes a polyphase stator winding (16) with a plurality of winding coils (14) connected to define a plurality of phase windings. The mover (6) includes a plurality of permanent motor magnets (40) facing the polyphase stator winding (16) that define a plurality of mover poles of alternating polarity (i.e., north and south polarity) along the track direction. Two active magnetic bearings (44, 48) is positioned between the track and a main body (32) of the mover (6) for selectively levitating the mover. In use, the active magnetic bearings (44, 48) levitate the mover (6) above the track and the DC linear motor (8) is controlled to move the mover (6) backwards and forwards along the track (2) to dampen a rolling or pitching movement of the floating structure, for example.

This invention belongs to the field of vehicle technology, specifically providing a system and method for multiplexing the output shaft speed of an engineering vehicle's transmission. The system includes a vehicle controller, a vehicle instrument cluster, and a transmission controller connected via a CAN bus. The vehicle controller is connected to a transmission input shaft speed sensor via a first relay. The vehicle controller is also connected to a transmission output shaft speed sensor via a second relay. A third relay is connected to both the vehicle instrument cluster and the second relay. The transmission controller is connected to both the first and second relays. The vehicle controller controls the operation of the corresponding relays based on the transmission type configured in the vehicle, connecting the signal paths of the corresponding sensors. After the sensor signal paths are connected, the vehicle controller determines the operating mode and controls the relevant relays accordingly. This provides accurate and reliable speed values, effectively improving the safety of the upper structure's operating mode.

The invention relates to a flexible direct-current converter valve sub-module optical fiber networking method and a flexible direct-current converter valve sub-module communication system, and belongs to the technical field of converter valve control. On the basis of an existing flexible direct-current converter valve sub-module optical fiber networking method, communication between networking units is added, the adjacent networking units are connected through at least one receiving optical fiber and one transmitting optical fiber, and when uplink communication or downlink communication of the networking units fails, communication is conducted through the adjacent networking units and a power module interface case. According to the networking method, the two adjacent networking units communicate with each other, so that even if uplink communication or downlink communication of one networking unit fails, the adjacent networking units can communicate with the power module interface case, the communication redundancy is further improved, and the communication reliability is ensured.

This invention discloses an InSAR interferometric network optimization method based on a multi-factor coherence surrogate model. The method includes: constructing a multi-factor feature dataset containing SAR imagery, baseline data, and soil moisture data of the study area; constructing a candidate interferometric pair set, and randomly selecting a subset of sample interferometric pairs from the candidate set; constructing a coherence surrogate prediction model, which uses the multi-factor feature data corresponding to the sample interferometric pair subset and the ground truth values ​​of sample coherence to train the model parameters; inputting the multi-factor feature data corresponding to each interferometric pair in the candidate set into the trained coherence surrogate prediction model and outputting the predicted coherence of each interferometric pair and the optimized interferometric pair network. This invention improves the stability and accuracy of unwrapping and time-series inversion, while also reducing the difficulty of interferometric processing and coherence calculation under large-scale data, and can support the needs of large-scale, long-term, and near-real-time monitoring.

The utility model discloses a kind of main, auxiliary automatic switching control system of multi-brand air compressor, including air compressor a, air compressor b, drying machine, process gas storage tank, instrument gas storage tank;The air compressor a is connected between air compressor b by pipeline and is arranged in parallel;Filter pipeline and buffer tank are further provided on the pipeline between the air compressor a and drying machine;Filter pipeline is provided on the pipeline between the buffer tank and drying machine;Filter pipeline is provided on the pipeline between the drying machine and process gas storage tank;Filter pipeline is further provided on the outlet pipeline of the instrument gas storage tank.The function of the utility model is that pressure trigger response time is less than 5 seconds, the continuity of production is guaranteed, main auxiliary relationship can be flexibly adjusted according to equipment state, improve system redundancy;On the basis of increasing pressure regulation, reduce transformation cost, applicable to different brand, different control mode air compressor, improve the applicability of system.

An electric stabiliser (1) for stabilising a floating structure is described. The electric stabiliser (1) includes a track (2) for guiding a mover (6) as a moving stabiliser mass. A direct current (DC) linear motor (8) includes a planar stator (10) that extends along the track (2) and the mover (6) that is adapted to move forwards and backwards along the track (2) as the stabiliser mass. The planar stator (10) includes a polyphase stator winding (16) with a plurality of winding coils (14) connected to define a plurality of phase windings. The mover (6) includes a plurality of permanent motor magnets (40) facing the polyphase stator winding (16) that define a plurality of mover poles of alternating polarity (i.e., north and south polarity) along the track direction. Two active magnetic bearings (44, 48) is positioned between the track and a main body (32) of the mover (6) for selectively levitating the mover. In use, the active magnetic bearings (44, 48) levitate the mover (6) above the track and the DC linear motor (8) is controlled to move the mover (6) backwards and forwards along the track (2) to dampen a rolling or pitching movement of the floating structure, for example.

The utility model belongs to mechanical drive technical field provides a kind of double input transmission device, including input shaft, first gear is set on the input shaft and input shaft two ends are connected power source respectively;Synchronizer is set on the input shaft, the synchronizer side is provided with the yoke of pushing the synchronizer and first gear power connection;Output shaft is connected with the first gear transmission. By the above technical solution, the input shaft of the utility model is connected with two power sources simultaneously, the structure is compact, double power source is efficiently compatible, improves system redundancy;The yoke can quickly interrupt power, enhances the flexibility of transmission device.

The utility model relates to the technical field of hoist, concretely relates to a low-position rotary type hoist trolley, including operation trolley, the below of operation trolley is equipped with rotary trolley frame, is installed between rotary trolley frame and operation trolley and has rotary mechanism, the bottom of rotary trolley frame is installed with lower trolley general assembly, and lower trolley general assembly includes the load platform of fixed connection in the lower part of rotary trolley frame, is installed with hoisting mechanism on load platform, and hoisting mechanism is connected with container spreader through steel wire rope, one side fixed connection of load platform bottom is equipped with the connecting frame of L type, and the bottom surface fixed connection of connecting frame horizontal section has driver's room. The utility model sets up the driver's room at the bottom of rotary trolley frame, and realizes the synchronous rotation of driver's room and container spreader through rotary mechanism, and the driver's vision is consistent with container direction all the time when hoisting, to improve the intuitiveness and precision of alignment operation.

The application discloses a kind of large-scale IP multicast service's two-layer annular reliable switch cluster method, comprising: interconnection switch 1, switch 2, switch 3 and switch 4 into 1 annular network, to constitute annular cluster;Adjacent switch 1 and switch 2 are configured as an aggregation switch;Switch 3 and switch 4 are set as normal switch;The port of aggregation switch, switch 3 and switch 4 is divided into inter-machine interconnection port and normal end device access port;Annular cluster is configured using modified IGMP snooping, and the mapping relationship table of IP multicast service frame and destination port is obtained;When switch receives IP multicast service frame, according to mapping relationship table, find the destination port corresponding to IP multicast service frame received by itself, send IP multicast service frame to corresponding destination port, while forwarding IP multicast service frame to adjacent switch, realize two-layer forwarding to IP multicast service.

The present application relates to the technical field of aluminum electrolysis, and provides an aluminum electrolysis cell damage inversion method based on a machine learning algorithm, comprising the following steps: obtaining current data of an aluminum electrolysis cell through a fiber-optic current sensor, and obtaining temperature data of the aluminum electrolysis cell; performing discharge area division according to a discharger of the aluminum electrolysis cell; performing area division on the current data and the temperature data, and performing feature extraction on the current data and the temperature data; establishing a physical information forward model based on a neural network, and associating and mapping a damage state vector with current feature data and temperature feature data through the physical information forward model; constructing a cathode joint loss function and an anode joint loss function; respectively performing iterative solution on the cathode joint loss function and the anode joint loss function through an optimization algorithm, outputting an optimal damage state vector, and generating a damage space distribution result of the electrolysis cell. The present application can realize online inversion and spatial distribution visualization of anode and cathode damage states.

This utility model discloses a split-type control circuit for aviation obstruction lights, belonging to the field of control circuit technology. The control loop can select parameters according to the power of the light fixture. The control circuit includes an AC power supply, a light fixture power switch QF1 and a control power switch QF2, a cyclic time relay KA, and solid-state contactors KM1 and KM2. Through the split-type control design, the flexibility and applicability of aviation obstruction lights are significantly improved. After separating the light fixture from the control loop, the selection of light fixtures is no longer limited by the control circuit. LED lights of different power and colors can be selected according to actual needs, breaking through the limitation of traditional aviation lights with a power of no more than 50W. It can also flexibly adjust the flashing frequency by replacing components, solving the problems of fixed flashing and susceptibility to weather interference in traditional equipment. Through the multi-loop time-sharing control design, the system redundancy is effectively improved. Even if a single loop fails, other loops can still operate normally, making it suitable for scenarios with extremely high safety requirements, such as airports and high towers.

The invention provides a lunar surface carrying equipment self-adaptive contour wheel based on planetary linkage and a control method of the lunar surface carrying equipment self-adaptive contour wheel, and relates to the technical field of lunar surface moving equipment and space vehicle walking mechanisms. The parallel damping mechanisms and the supporting frames are evenly distributed on the outer side of the wheel hub at intervals, the elastic wheel faces are arranged on the outer sides of the parallel damping mechanisms and the supporting frames, and the planet closed linkage mechanisms are symmetrically arranged on the first side face and the second side face of the wheel hub. The constant-amplitude radial displacement of the multiple shape adjusting parts is achieved through the planet closed linkage mechanism, meanwhile, the parallel damping mechanism and the supporting frame are arranged to support the shape adjusting parts, the bearing capacity of the shape adjusting parts is improved, the system redundancy is enhanced, in addition, the limiting fan blades are arranged, the shape adjusting stroke of the gear can be mechanically limited, excessive deformation is prevented, and the service life of the gear is prolonged. The structural stability is improved, and the long-term reliability of the wheel under the complex terrain is improved.

This invention relates to the field of heavy-duty transport airship technology, providing a buoyancy adjustment device, a heavy-duty transport airship, a cargo loading method, and a cargo unloading method. The adjustment device includes: multiple water bladders, a main water injection pipe, a main water discharge pipe, and multiple branch pipes, each branch pipe including a drainage branch pipe and a water injection branch pipe. The main drainage pipe and the main water injection pipe are parallel to the axis of the heavy-duty transport airship and located on both sides of the axis. The multiple water bladders are arranged on both sides of the main drainage pipe and the main water injection pipe, along the axis of the heavy-duty transport airship. Each water bladder includes a water injection port, a water discharge port, and two valves, which are respectively located on the water injection port and the water discharge port. The water injection port is connected to the main water injection pipe through a water injection branch pipe, and the water discharge port is connected to the main drainage pipe through a drainage branch pipe. This solution can simultaneously achieve buoyancy and attitude coupling adjustment for loading and unloading heavy-duty airships, thereby solving the problems of balance stability and safety reliability during the loading and unloading of heavy cargo.

The present application belongs to hydrogen energy technical field, and particularly relates to a high-efficiency flexible medium-low temperature fuel cell waste heat refrigeration system.The technical scheme is as follows: a high-efficiency flexible medium-low temperature fuel cell waste heat refrigeration system, comprising a CO2 transcritical heat pump system, a lithium bromide absorption refrigeration system and a fuel cell power generation system, hot water generated by the CO2 transcritical heat pump system and hot water generated by the fuel cell power generation system are mixed and supplied to the lithium bromide absorption refrigeration system, and hot water generated by the lithium bromide absorption refrigeration system is sent back to the fuel cell power generation system.The present application provides a high-efficiency flexible medium-low temperature fuel cell waste heat refrigeration system, which fully utilizes fuel cell power and utilizes low-grade heat, can greatly improve the temperature range of the fuel cell, and improves the overall energy utilization efficiency.

This invention relates to the field of metrology calibration, and more particularly to an adaptive calibration method, apparatus, device, and storage medium for a metrology box. The method includes the following steps: powering on the metrology box normally, performing self-operating noise detection, and constructing a self-operating noise feature set; performing initial calibration and real-time metrological detection on the metrology box based on the self-operating noise feature set, outputting multiple metrological data sequences; performing sequence-by-sequence feature analysis and differential calculation of adjacent time periods based on the multiple metrological data sequences to obtain a feature difference value sequence; synchronously acquiring environmental monitoring parameters of the metrology box; tracing environmental interference sources based on the environmental monitoring parameters and marking interference sources; performing offset calibration based on the interference sources to obtain offset calibration reference parameters; and performing real-time operating condition metrological detection based on the offset calibration reference parameters. This invention achieves accurate and efficient metrology box detection and calibration.

The utility model relates to a turnout position redundancy acquisition device, which comprises a power supply unit (PSU), a point switch automatic shutter and a communication unit (CU), the power supply unit (PSU) is connected with the point switch automatic shutter, and the communication unit (CU) is respectively connected with vehicle-mounted equipment, a trackside resource manager, a trackside electronic unit and existing turnout acquisition equipment. The redundancy collection device further comprises a trackside intelligent target controller (TIOC) connected with the communication unit (CU), the switch machine automatic opening and closing device comprises four groups of nodes, three groups of nodes are connected with existing turnout collection equipment, the rest group of nodes are connected with the trackside intelligent target controller (TIOC), and therefore redundancy collection of the turnout position of the trackside signal equipment is achieved. Compared with the prior art, the system has the advantages that the influence of state acquisition faults of the switch machine is reduced, the operation efficiency and safety of the whole rail transit network are improved, and the like.

The application provides a pulse distribution method and device based on a three-level inverter. The pulse distribution method based on the three-level inverter comprises: generating complementary outer tube intermediate drive signals and inner tube intermediate drive signals according to pulse width modulation control signals from an inverter controller; generating an inner tube target drive signal according to the inner tube intermediate drive signals to control the inner tube; after a first preset time, generating an outer tube target drive signal according to the outer tube intermediate drive signals to control the outer tube; generating a pulse fault signal according to the on time of the outer tube intermediate drive signals or the inner tube intermediate drive signals; and outputting a fault feedback signal to the inverter controller according to the pulse fault signal and a fault signal from a switch tube. The application can reduce the number of hardwires, reduce material costs, improve the efficiency of production and installation and the convenience of later maintenance, and improve the safety, redundancy and reliability of the three-level inverter.

This invention belongs to the field of wireless communication technology and discloses a wireless transmission signal enhancement system and method for large mining mobile equipment. The system includes: receiving wireless transmission signals from the large mining mobile equipment via multiple antenna arrays. Utilizing the structural characteristics of the mine interior, the signal is transmitted through different paths to increase coverage and redundancy; based on the received signal strength and quality, signal processing parameters, such as filtering, amplification, and error correction, are dynamically adjusted to improve signal clarity and accuracy. The technical solution described in this invention can improve the strength and stability of wireless transmission signals, reduce communication interruptions and data loss, thereby improving equipment efficiency and safety.

The invention relates to the technical field of civil air defense flood-proof doors, in particular to a civil air defense flood-proof door with a sealed bottom and capable of being switched between a main door and a standby door, the civil air defense flood-proof door comprises a left door leaf and a right door leaf, the upper ends and the two sides of the left door leaf and the right door leaf are in sealing fit with corresponding upper door frames and side door frames through sealing rubber strips respectively, and a center joint sealing structure is arranged at a center joint of the left door leaf and the right door leaf; a lifting type switchable sealing structure is arranged between the bottom of the left door leaf and the lower door frame and between the bottom of the right door leaf and the lower door frame, the left door leaf and the right door leaf are each provided with a lower locking mechanism, each lower locking mechanism comprises a first lower locking connecting rod on the back face of the corresponding door leaf, and the first lower locking connecting rods are fixedly connected with the lifting type switchable sealing structure. By means of the lifting type switchable sealing structure, the technical problems that an existing flood gate bottom sealing structure is single, and the bottom sealing reliability cannot be rapidly recovered after a sealing piece loses efficacy are solved, in-situ switching and online maintenance and replacement of a main sealing piece and a standby sealing piece at the bottom are achieved, and the continuous reliability of bottom sealing of the flood gate is guaranteed.

The invention discloses a single-phase earth fault line selection protection system based on a delta IPAM principle, and the system employs a transient and steady state detection technology, and employs a three-phase current break variable phase asymmetry principle. According to the detection of the single-phase earth fault line, the detection and positioning of the fault line are realized by identifying the asymmetric characteristics of the three-phase current break variable in a fault area and the symmetric characteristics of the three-phase current break variable in a sound area during the single-phase earth fault; according to the invention, a three-phase current break variable symmetry principle is adopted to avoid a zero-sequence component measurement value mode; only three-phase current needs to be measured, and special zero-sequence voltage and zero-sequence current are not needed; the scene of a high-resistance grounding fault is effectively detected with high sensitivity; the influence of factors such as load current is avoided; transient data window detection is not influenced by arc suppression coil tuning; the system is insensitive to ground capacitance and high in redundancy; the ground fault detection time is not more than 40ms; insulation early-stage monitoring and early warning are carried out on protected equipment, and convenience is provided for equipment state maintenance. The application range is wide.

The utility model discloses a radio station supporting double transmission modes, and belongs to the technical field of radio station communication. The radio station comprises a shell and a radio station body arranged in the shell, the radio station body comprises a first circuit layer, a second circuit layer, a third circuit layer and a fourth circuit layer which are sequentially and adjacently arranged, and the first circuit layer is provided with a display module, a peripheral interface module and a key module. The second circuit layer is provided with a power supply module, a central processor and a positioning module, the third circuit layer is provided with an information processing module, a sending routing switch, a receiving routing switch and a mode control module, and the fourth circuit layer is provided with an optical fiber receiving module, a wireless receiving module, an optical fiber sending module and a wireless sending module. According to the utility model, the positions of the modules in the radio station are reasonably arranged, the miniaturization design of the radio station is realized, the radio station is convenient to carry, and the use requirements of complex scenes are met.

This utility model relates to a hybrid control system for a DC motor, comprising a control unit and a drive circuit. The input and output terminals of the drive circuit are electrically connected to the output terminal of the control unit and the DC motor, respectively. The system also includes a Hall effect sensor module and a current sampling circuit. The Hall effect sensor module includes three Hall effect sensors, and its signal output terminal is electrically connected to the first set of signal input terminals of the control unit. The current sampling module includes three sets of differential operational amplifier circuits, with their input terminals electrically connected to the output terminals of the drive circuit and their signal output terminals electrically connected to the second set of signal input terminals of the control unit. This system solves the problem of system failure caused by a single point of failure of the Hall effect sensor through an integrated fault detection and switching mechanism, thereby achieving a balance between reliable startup, high-precision operation, and high redundancy.

According to the rotor position data calculation method of the magnetic drive conveying system and the related equipment, the magnetic drive conveying system comprises a stator and a rotor, the stator is provided with a transmitting assembly and a receiving assembly, and the rotor is provided with an induction component. Controlling the emission assembly to emit an excitation signal at the initial emission power, wherein the excitation signal is used for making the induction part generate an induction magnetic field; acquiring real-time air gap state data generated by induction of the induction magnetic field by the receiving assembly; the real-time transmitting power of the transmitting assembly is adjusted based on the real-time air gap state data, so that the amplitude of the induction electric signal output by the receiving assembly is maintained in a preset linear interval; and the position data of the rotor is calculated based on the induction electric signal in the preset linear interval, so that the data accuracy of the rotor position data acquired in real time in actual operation of the magnetic drive conveying system is improved.

The utility model relates to burner technical field, concretely relates to a burner with backfire avoidance structure, including burner main part, the one side fixed connection of burner main part has the cannon barrel, the inside of burner main part is provided with the steady flame disc, and the steady flame disc is fixedly installed with the igniter needle and the spray gun, and the end of igniter needle far away from the steady flame disc and the end of spray gun far away from the steady flame disc can slide and extend out of burner main part. Through the first displacement mechanism cooperation power piece drive steady flame disc, igniter needle and spray gun far away from cannon barrel, quickly evacuate combustion chamber and peripheral high temperature area, avoid backfire flame direct contact igniter needle and oil nozzle, prevent igniter needle electrode oxidation failure, oil nozzle fuel passage coking block, solved the burner combustion chamber and the flow through cavity intercommunication, the cavity residual gas is easy because high temperature backfire when stop using, if fuel spray gun, igniter needle and steady flame disc have not evacuated, can cause igniter needle failure, oil nozzle block technical problem.

The invention provides an electronic expansion valve connecting structure. The electronic expansion valve connecting structure comprises a coil assembly and a valve body assembly. The coil assembly comprises a shell, and a coil assembly, a connecting piece and a sealing piece which are integrally injection-molded in the shell; a valve body mounting cavity is formed in the shell in the axial direction; the coil assembly is distributed in the shell in the circumferential direction of the valve body installation cavity. The connecting piece is connected with the coil assembly, and a positioning bulge is arranged on the connecting piece; a positioning clamping groove is formed in the peripheral wall of the valve body assembly; the sealing piece is arranged at a cavity opening of the valve body mounting cavity and comprises an embedding part and a sealing part which are integrally formed; the embedded part is coated and injection-molded in the shell, and the sealing part is inwards exposed out of the inner wall of the valve body mounting cavity in the radial direction. The structure has the advantages that the coil assembly, the connecting piece and the sealing piece are integrally arranged in the shell in an injection molding manner, so that the number of parts and the material cost are reduced; and the positioning bulge on the connecting piece is matched with the positioning clamping groove in the valve body assembly, so that an external connecting plate is omitted, and the cost and the assembly complexity are reduced.

The invention provides an MAS-based formation vehicle-mounted electric power interconnection system energy management method and system, and belongs to the technical field of formation vehicle-mounted electric power interconnection systems, and the method comprises the steps: constructing a multi-Agent technology control structure of a formation vehicle-mounted electric power interconnection system; constructing a micro-grid energy management and scheduling device for generating an energy management and scheduling scheme which is constructed according to the battery management parameters and the scheduling algorithm parameters and managed by a time sequence, and obtaining an optimal energy management and scheduling scheme through an improved litsea rotundifolia optimization algorithm; according to the improved Golden Litsea Optimization algorithm, a goose group optimization algorithm and a whale optimization algorithm are introduced into an exploration stage and a development stage of an original Golden Litsea Optimization algorithm; and based on the energy management and scheduling scheme, performing energy scheduling and management on the formation vehicle-mounted electric power interconnection system through the global energy management and scheduling Agent of the dominant micro-grid. According to the method, the optimal energy management scheme of the formation vehicle-mounted electric power interconnection system based on the MAS can be quickly generated.