26 results about "Trunk line" patented technology

The utility model relates to the technical field of fire fighting equipment, especially a high flat dual -purpose water hose laying vehicle, it includes accomodating component, the accomodating component includes a plurality of accomodating frame, the accomodating frame is the U type structure of both sides and upper end open, connecting component, the connecting component includes connecting piece and with the support piece of connecting piece lower extreme connection, the accomodating frame places on the support piece and is connected with connecting piece, triangular wheel group, triangular wheel group with the lower end portion rotation connection of connecting piece, triangular wheel group is located in the side of connecting piece away from accomodating frame, handle, handle is located in the upper portion of the side of connecting piece away from accomodating frame. The water hose laying vehicle of the utility model can transport multiple water hoses for laying at a time when laying water supply trunk line in narrow road or high building, and the efficiency is improved.

This invention relates to the field of logistics technology and discloses a statistical method for trunk line transportation, comprising: collecting trunk line transportation data; constructing a timeout risk prediction model by inputting influencing factor data and time characteristics into a trained timeout risk prediction model to obtain a timeout risk probability value; calculating the timeout rate by calculating the timeliness compliance rate based on the timeout risk probability value and calculating the predicted timeout rate of the route to generate a risk ranking; generating optimization strategies by automatically matching and generating differentiated dynamic optimization strategies for routes with different risk levels based on the predicted timeout rate and risk ranking; and outputting the strategies by outputting the generated dynamic optimization strategies in the form of specific optimization measures and suggestions. This invention achieves accurate quantitative assessment of transportation timeout risk, can automatically calculate the predicted timeout rate of the route and rank the risks, and generate and output dynamic optimization strategies; effectively improving the timeliness management level and risk response capability of trunk line transportation.

This invention discloses a method for adaptive coordinated control of arterial roads based on indefinite periods, comprising the following steps: collecting intersection information; establishing an indefinite-period arterial road coordinated control timing optimization model; solving the indefinite-period arterial road coordinated control timing optimization model; establishing an indefinite-period phase difference coordinated control optimization model; solving the indefinite-period phase difference coordinated control optimization model; and outputting an optimized arterial road coordinated timing scheme based on indefinite periods. This invention constructs a maximum green wave band model applicable to indefinite periods, determines the allocation ratio based on the traffic flow ratio, making it applicable to different periods on arterial roads, and solves it using a genetic algorithm, achieving fast convergence speed and high computational accuracy. The indefinite-period arterial coordinated control established by this invention can be dynamically adjusted according to real-time traffic data, enabling better understanding of traffic conditions and improving the efficiency and accuracy of traffic management. This invention can provide an accurate adaptive coordinated control scheme for arterial roads with high reliability.

And a display device that detects surrounding objects and lanes on the basis of the monitoring result of the surrounding situation monitoring device, displays a host vehicle image that simulates the host vehicle, and a surrounding vehicle image that simulates the surrounding vehicle, and displays white lines of the detected lanes. At this time, when the current position is other than the expressway or the trunk road, control is performed so that the white line of the lane is not displayed. Alternatively, when the current position is an off-road other than the parking lot, the white line of the lane is not displayed.

This invention belongs to the field of resource scheduling and management technology, and relates to a method and system for intelligent scheduling and optimization of soil acidification remediation resources based on big data. The method includes: receiving remediation business requests to generate a demand matrix; constructing a resource topology map based on real-time supply data; extracting cancellation constraint data to generate a cancellation rate index reflecting feedback delay; determining the start time of the remediation task based on this index and applying timestamp compensation to determine scheduling priority; generating a scheduling instruction sequence, and transforming the demand matrix into a multi-band smooth logistics plan. This invention achieves precise matching between resource delivery frequency and environmental absorption capacity by coupling environmental absorption characteristics with logistics timing, effectively alleviating trunk logistics pressure and improving the efficiency of resource allocation for cross-regional ecological remediation tasks.

This invention relates to the field of rail transit vehicle technology, providing a method, system, and vehicle for isolating overcurrent faults in the main circuit of a train's high-voltage system. The method includes: acquiring induced current signals at different preset locations in the main circuit of the train's high-voltage system; when an overcurrent fault is detected based on the induced current signals, locating the overcurrent fault area based on the combination of the reported overcurrent induced current signals; and controlling the corresponding main line circuit breaker, branch line circuit breaker, and high-voltage transfer switch to perform isolation operations based on the overcurrent fault area, thereby isolating the overcurrent fault area. This invention can accurately locate and isolate overcurrent faults, supports three-transformer power supply, and operates reliably.

The application relates to a double-evaporator system and a control method. Through the architecture of double-evaporator partition arrangement, a first evaporator directly corresponds to a driving area and a lower bunk area of a lower part of a cab, and a second evaporator directly corresponds to an upper bunk area of an upper part of the cab, so that the cold quantity transportation distance is shortened from the root, and the loss in the long-distance transportation process of the cold quantity and the coverage blind area are eliminated. Meanwhile, through the architecture of double-compressor parallel arrangement, the refrigeration power supply demand under different operation conditions of the vehicle is adapted, stable output of the cold quantity under full working conditions of driving, idling and parking is realized, the temperature difference between upper and lower areas of the cab can be controlled to be within 2 DEG C, the refrigeration response speed of the upper bunk area is improved, the pain point of insufficient refrigeration of the upper bunk area is solved, and the rest and driving comfort demand of drivers and passengers under a long-distance trunk logistics scene is fully met.

The application provides a single-loop power distribution network relay protection method containing a distributed power supply based on 5G communication. When the abrupt variable starting element of the line local differential protection starts, data transmission requests are sent to the opposite side through the 5G communication network, and four shape similar distance values of the two-side current data in one cycle are calculated. If all the four values are higher than the floating threshold, it is determined that the ring network trunk line is faulty, the local protection outlet is tripped and a trip signal is sent to the opposite device. If not, it is determined that the fault is outside the area, and the protection does not act. Based on the single-loop power distribution network protection method, the shortcomings of the traditional three-section current protection as the main protection of the ring network trunk line, such as the difficulty in setting cooperation, can be effectively made up, and the defects of the traditional current protection as the bus backup protection, such as the insufficient sensitivity, can be improved, so that the single-loop power distribution network relay protection method has good practical application value.

A vehicle circuit body is equipped with: a backbone bus line (BB_LM) extending at least in a front-rear direction of a vehicle; a plurality of control boxes (CB) provided on the backbone bus line; and a branch line (LS) connecting the control boxes with accessories (AE). The backbone bus line and the branch line (LS) are each provided with a power line (L1, L2B) having a predetermined current capacity and a communication line (Lx) having a predetermined communication capacity. The control boxes are provided with a switching circuit (CBb), a bridging circuit (CBc), and a connection portion (Cnx) serving as a branch line connection portion connected to the branch line, and a microcomputer (CBa) that distributes power from the backbone bus line to the branch line by controlling the branch line connection portion in accordance with a control program. The control program is capable of being changed from the outside based on the accessories connected to the branch line.

This invention relates to the field of commercial vehicle control technology, specifically to a map information extraction method for predictive cruise control in heavy-duty commercial vehicles. The method selects main road map information and chooses three trunk roads from the vehicle's latitude and longitude data. Map information updates are allowed when the interval between two map information updates is greater than or equal to one month; otherwise, the update is maintained. The vehicle enters cruise control mode when it meets the following conditions: vehicle speed ≥ 40 km / h, no braking signal, and transmission in forward gear. Predictive control mode is entered when the vehicle's GPS information effectively matches the pre-stored map information for a period greater than or equal to a time threshold T1. Predictive control is performed on roads matching the map information by updating the pre-stored map information in the vehicle controller. This includes predictive cruise control, predictive gear shifting, and predictive thermal management functions, enabling effective switching between constant speed cruise and predictive cruise control functions, improving fuel economy during vehicle cruise operation, especially in mountainous highway conditions.

This invention belongs to the field of emergency material multimodal transport scheduling technology, specifically involving a risk-sensitive emergency material multimodal transport scheduling optimization method, including: A. Constructing an emergency material multimodal transport network that coordinates trunk and terminal transport, mapping trunk and terminal transport to a multimodal transport network diagram, and clarifying nodes, feasible route sets, and their parameters; B. Establishing a risk-sensitive emergency material multimodal transport scheduling optimization model, based on the emergency material multimodal transport network and the acquired parameters; C. Generating model solution results and scheduling schemes, transforming the scheduling optimization model into a solvable form, generating executable scheduling schemes, and verifying the results to form a complete technical closed loop. The advantages of this invention are: significantly improving the adaptability and robustness of the emergency logistics system under extreme scenarios such as route disruptions, providing important decision support for scientific disaster relief.

The invention provides a bus signal priority compensation control method and system based on green wave band protection. The method comprises the steps that trunk line green wave coordination parameters are acquired; collecting road traffic information, traffic signal state information and vehicle running state information; judging whether a bus priority triggering condition is met or not according to the collected information; when the trigger condition is met, executing a bus priority strategy, and determining additional phase time increased by the strategy in the current signal period; executing a phase compensation mechanism which specifically comprises the following steps: judging whether a non-coordinated phase has enough compensation capability in a current period; if there is enough compensation capability, compensation of the additional phase time is completed in the current period; and if the compensation capability is not enough, performing partial compensation by using the available compensation time of the non-coordinated phase in the current period, and distributing the residual disturbance time to the subsequent one or more periods to gradually complete compensation. According to the invention, the operation efficiency of buses and the overall traffic capacity of urban traffic are improved.

The embodiment of the present application provides a kind of urban underground traffic trunk line peace war conversion system, comprising: whole urban underground traffic trunk line, urban underground traffic trunk line refers to the underground empty entity including subway line, underground expressway or comprehensive pipe gallery;Urban underground traffic trunk line has multiple key nodes;Urban underground traffic trunk line has multiple independent protection sections, protection section refers to the length direction along ground urban underground traffic trunk line, interval where urban underground traffic trunk line is divided according to set length;Each protection section is physically disconnected and is a space unit with independent airtightness, two ends of each protection section are isolated from adjacent protection section and external environment by the blast-resistant partition wall and protection airtight door set in tunnel wall.The peace war conversion system of the present application considers the dual needs of efficient operation of urban underground traffic trunk line in peacetime and rapid protection in wartime, so that the urban underground traffic trunk line peace war conversion system considers systematicness, rapidity and reliability.

This invention discloses a low-interference, rapid rotation construction device suitable for busy railway trunk lines, relating to the field of rotation construction technology. It includes a concrete chassis and a rotation assembly. The concrete chassis has a concrete connecting plate fixed to its upper end, and uniformly distributed second reinforcing ribs fixed to its upper end, all of which are fixed inside the concrete connecting plate. Two corresponding guide rail assemblies are installed at the left and right ends of the surface of the concrete connecting plate. A moving assembly is positioned above the guide rail assemblies, and a second support assembly is installed on the upper side of the moving assembly. A guide assembly is installed at the upper end of the concrete chassis. The rotation assembly includes a concrete turntable, a fixing ring, a fixing bucket, and ball bearings. Through optimized structural design, it enables rapid and stable rotation operations, minimizing interference with railway operations and improving construction safety and efficiency.

The invention relates to a conveyor system (100). The conveyor system comprises a conveyor control unit (120), one or more conveyor components (130a-130n) and a communication system (110) for providing data frame based communication between the conveyor control unit (120), the one or more conveyor components (130a-130n) and / or one or more external or remote systems (140, 140a-140d). The communication system (110) comprises at least two virtual local area networks (VLANs) (112a-112n) separated by respective tags (206), a first switching device (114) configured to connect the one or more conveyor components (130a-130n) to at least one of the at least two VLANs (112a-112n), a second switching device (116) configured to connect the conveyor control unit (120) and the one or more external or remote systems (112n) and a trunk link (118) configured to transfer data frames (200) belonging to the at least two VLANs (112a-112n) between the first switching device (114) and the second switching device (116). The invention also relates to an elevator system and a conveyor arrangement.

The application discloses a traffic signal control method and device based on AI edge calculation, relates to the technical field of communication, and comprises the following steps: real-time interaction is carried out between a roadside edge node and a vehicle-mounted terminal, and a traffic right at an intersection is split into a space-time resource slot; when multiple vehicles request the same slot, an occupation conflict of the same space-time resource slot is detected, a blockchain auction is started, and a fair distribution is realized; adjacent edge nodes share the result and realize collaborative optimization through distributed machine learning, a signal control instruction signed by a number is generated, and signal light switching control is realized. The technical problems that fixed timing in traffic signal control does not match actual traffic changes, trunk green wave coordination is difficult to adapt to dynamic traffic changes, network delay and fluctuation of cloud control, and vehicle priority passage easily causes traffic signal disorder are solved, and the technical effects that the traffic efficiency of priority vehicles and ordinary vehicles mixed driving is improved, the real-time reliability of traffic signal control is improved, the collaborative control ability of adjacent intersections is enhanced, and the pressure of cloud control is reduced are achieved.

The application discloses an operation railway trunk bridge wooden pile foundation underpinning structure and a construction method thereof, which comprises a wooden pile foundation, an enlarged foundation is cast on the top of the wooden pile foundation, a newly-built pile foundation is arranged outside the enlarged foundation, and the newly-built pile foundation is a drilled pile or a manually-dug hole pile; a planted bar is arranged around the enlarged foundation, a prestressed hole is formed in the enlarged foundation, a ring frame beam is cast between the outside of the enlarged foundation and the top of the newly-built pile foundation, and the ring frame beam is anchoringly connected with the planted bar; a prestressed bar is arranged in the prestressed hole, anchor boxes are arranged at the two ends of the prestressed hole, anchor backing plates are arranged in the anchor boxes, the end of the prestressed bar is tensioned and fixed with the anchor backing plate, and cement slurry is injected into the prestressed hole, so as to form an integral structure. The application is used for improving the bearing capacity of the bridge foundation, guaranteeing the normal operation of the railway trunk, changing the original stress system of the bridge through the stress cooperation of the new and old structures, and realizing the underpinning and reinforcement of the wooden pile foundation.

The utility model provides an ice maker which comprises an ice making assembly, a disinfection assembly and a control assembly, the ice making assembly comprises a water tank, an evaporator, an ice bucket and a waterway network, the ice bucket comprises a nozzle arranged at the top of the ice bucket, and the waterway network comprises a water inlet passage. The water inlet channel comprises a water inlet main line, a first water inlet branch line and a second water inlet branch line, the first water inlet branch line and the second water inlet branch line are led out from the water inlet main line, the disinfection assembly comprises an ozone generator suitable for generating ozone and a Venturi jet device, and ozone is conveyed to the Venturi jet device and mixed with high-speed water flow to be dissolved to form disinfectant; the control assembly comprises a first reversing electromagnetic valve and a second reversing electromagnetic valve, the two ends of the Venturi jet device are connected into the water inlet trunk in parallel through the first reversing electromagnetic valve, and the water inlet trunk is communicated with the first water inlet branch and the second water inlet branch through the second reversing electromagnetic valve. According to the utility model, the disinfection assembly is connected in parallel to the water inlet trunk through the first reversing solenoid valve and can control the water flow direction, so that the ice maker can be switched between a disinfection mode and an ice making mode.

The application provides a method and system for preventing the expansion of fault range caused by self-healing positioning error of distribution network, comprising: obtaining the connection relationship of distribution network line topology, and setting anti-continuous jump monitoring time; determining the power supply trunk path of distribution network; starting the self-healing transfer strategy when permanent fault occurs; continuously scanning the power supply line of permanent fault and the power supply line after starting the self-healing strategy within the preset anti-continuous jump monitoring time, judging whether the line after power recovery is stable, if yes, continuing the anti-continuous jump monitoring in the next cycle, if not, stopping the self-healing analysis of the power supply line of permanent fault and the power supply line after starting the self-healing strategy, until the anti-continuous jump monitoring time is reached, ending the self-healing program, simultaneously recovering the self-healing signal monitoring, and jumping to the normal self-healing isolation transfer logic. The application prevents the problem of expansion of fault range caused by self-healing positioning error by continuously monitoring the power supply trunk path after self-healing isolation transfer.

Apparatus and systems for busbar conduits, busbars, and bus trunking for high-current applications are described. Example components may include a first conductor assembly. The assembly also includes two or more busbar trunks. Each of the two or more busbar trunks is a distribution busbar or a transmission busbar. A first end of each of the two or more busbar trunks is electrically connected to the first conductor assembly. The assembly further includes a second conductor assembly. Each of the two or more busbar trunks is electrically connected to the second conductor assembly at a second end of each of the two or more busbar trunks.