CN216508318U - Miniature rail transit system - Google Patents

Abstract

The utility model discloses a miniature rail transit system which is characterized by comprising a line unit, a rail unit, a vehicle, a power supply unit and a control center, wherein the line unit is connected with the rail unit; the line unit is arranged on an intra-community road and an inter-community road; the power supply unit and the track unit are matched to adopt a double-track system for power supply, and the vehicle adopts a double-track system for current collection; and the control center adopts a server to receive signals sent by the line unit and the vehicle. The train is scheduled and configured among communities, public transportation convenience is provided, meanwhile, the gathering of a large number of personnel in different areas is avoided, and the train scheduling and configuration method is more suitable for low-traffic-volume, high-frequency and customized transportation modes.

Description

Miniature rail transit system

Technical Field

The utility model relates to the field of rail transit vehicle electrical control, in particular to a miniature rail transit system.

Background

The traditional rail transit system comprises a high-speed railway, a common railway, a subway, a light rail, a tramcar and the like, and has the characteristics of large transportation capacity, high speed, low carbon, energy conservation and the like. However, due to the dense population, the risk of passengers facing hazardous events and infectious diseases is increased dramatically in enclosed environments such as in-car spaces and transportation hubs. Traditional road traffic, including personal traffic, public road traffic, etc., has the characteristics of high flexibility, low road condition requirements, etc. However, due to factors such as traffic jam and large fuel vehicle inventory, the problems of large waste discharge amount, low transportation efficiency, and shortage of road resources exist. Meanwhile, due to the occurrence of epidemic situations, the customized transportation demand gradually becomes an important direction for public transportation research, so that the design of a transportation system which has the transportation capacity between public transportation and personal transportation, relatively fixed passengers, environmental protection, energy conservation and support of customized design becomes a demand.

There have been some studies on micro-track traffic, which employ viaduct mode and point-to-point transportation, so-called "empty rail". The technical scheme mainly comprises the following steps:

(1) erecting a small overhead line; (2) a suspension type train is adopted; (3) supplying power through the suspension device; (4) the walking device adopts rubber wheels; (5) the train is equipped with a large capacity battery or other energy storage device.

However, the inventors have found that these solutions have the following drawbacks:

(1) the overhead line is adopted, facilities such as an overhead platform and a passenger rest area are needed to be matched with the overhead line, and the design of a station is not simpler than that of a common light rail and that of the traditional suspension type single-rail traffic.

(2) Overhead line and suspension type design bring the difficulty for the rescue, therefore suspension type train is generally furnished with battery or other energy memory of great allowance, compares general energy storage formula train and occupies bigger train space, has compressed passenger space, has increased unit cost.

(3) The turnout problem of the suspended line.

(4) The existing micro-rail traffic is not greatly different from the traditional suspension type single rail, the circuit sharing is poor, the design is complex, and the landscape is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a miniature rail transit system, wherein a line is reformed by adopting a mode of an existing intra-community road and an inter-community road, a rail is constructed in a light steel rail embedded mode, power supply is realized by adopting a local double-rail system non-contact network, a vehicle adopts an energy storage type train, and vehicle resources are scheduled and configured among communities through a scheduling center. The transportation system is characterized by being between public transportation and personal transportation, being environment-friendly and energy-saving, supporting customized design, having the functions of locally sharing right of ways, scheduling vehicle resources according to needs, tracking and supplying power in sections by electricity (controlling the switch to charge according to the electric power energy fed back by the vehicle) and the like.

In order to achieve the purpose, the utility model adopts the following technical measures:

a micro rail transit system comprises a line unit, a rail unit, a vehicle, a power supply unit and a control center; wherein,

the line unit is arranged on an intra-community road and an inter-community road;

the power supply unit and the track unit are matched to adopt a double-track system for power supply, and the vehicle adopts a double-track system for current collection;

and the control center adopts a server to receive signals sent by the line unit and the vehicle.

According to the further technical scheme, the line unit comprises a plurality of areas, wherein the areas comprise stations, vehicle overhaul sections, independent right sections, shared right sections and scattered parking sections;

the station is used for passengers to get on and off the train;

the vehicle maintenance section is used for maintenance and parking of a fault vehicle;

the independent road right section is used for providing independent road right for the vehicle;

the shared right-of-way section is used for sharing right-of-way for vehicles, road motor vehicles and pedestrians;

the decentralized parking space is used for night parking, fault parking and standby vehicle parking.

In a further technical scheme, each area is provided with a circuit, specifically comprising:

the vehicle maintenance line is arranged in the control center area;

the independent road right segment positive line is arranged in a non-public area in the community and a non-highway area between the communities;

the shared road right positive line is arranged in public areas and roads in the community and public areas and roads between communities;

the stop line is arranged in each station and a control center area, and the control center area is used for parking standby vehicles meeting the full-line operation.

According to the further technical scheme, the independent right section positive line of the vehicle overhaul line and the parking line adopts a power supply line, and the shared right positive line adopts a non-power supply line.

According to the further technical scheme, a return line is arranged at a station or a line terminal, and a ring line is adopted.

According to the further technical scheme, the vehicle adopts guide wheels for steering and is used for guiding the rubber wheel bogie and the steel wheel bogie.

According to a further technical scheme, the vehicle adopts a steel wheel bogie to receive current;

or the vehicle adopts a sliding contact type current receiving device to receive current.

According to a further technical scheme, the track unit comprises two tracks, one track is used as a power supply track, and the other track is used as a return track.

According to the further technical scheme, the track is an embedded track, and light steel rails are paved.

According to a further technical scheme, the power supply unit comprises a main substation and a plurality of traction substations, the independent road right sections are provided with one or more electric sections, each independent road right section is provided with one or more electric sections, the adjacent electric sections and the electric sections are isolated from the shared road right section by rail insulation joints, and one electric section or a plurality of electric sections are configured with one traction substation.

Compared with the prior art, the utility model has the following advantages:

(1) compared with the existing micro-rail transportation scheme, the micro-rail transportation system provided by the utility model has the characteristics of low construction cost, ground running, no contact network, good sharing property with highway traffic, short braking distance and the like, is positioned for short-distance low-traffic passenger transportation, provides public transportation convenience, avoids the gathering of a large number of people in different areas, and can be more suitable for low-traffic, high-frequency and customized transportation modes.

(2) Compared with the existing ground power supply mode, the tracking power supply mode only supplies power in a local power subsection mode when the electric quantity of the vehicle is insufficient, so that the complex engineering and cost of an overhead contact network are avoided, and meanwhile, the energy is saved and the safety is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic circuit diagram of a micro rail transit system according to the present invention;

FIG. 2 is a block diagram of a micro-rail traffic traction power supply system of the present invention;

fig. 3 is a block diagram of the tracking power supply control design of the present invention.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As introduced by the background art, the existing public rail transit has large transportation volume, dense personnel and increased risk of dangerous events and infectious diseases; the waste discharge amount of road traffic is large, and the transportation efficiency is low; the existing micro-rail traffic is not greatly different from the traditional suspension type single rail, the line sharing is poor, the rescue is difficult, and the landscape is influenced. In order to solve the technical problems, the application provides a miniature rail transit and power supply system, designs a transportation system which has the traffic volume between public transportation and personal transportation, is environment-friendly and energy-saving, supports customized design, and has the characteristics of local road right sharing, vehicle resource scheduling according to needs, electric subsection tracking power supply and the like.

The structure of the present invention is further described below with reference to fig. 1-3.

A micro rail transit and a tracking power supply system thereof comprise a micro rail transit system, and are characterized by comprising a line unit, a rail unit, a vehicle, a power supply unit and a control center;

the line unit is arranged on an intra-community road and an inter-community road;

the power supply unit and the track unit are matched to adopt a double-track system for power supply, and the vehicle adopts a double-track system for current collection;

and the control center adopts a server to receive signals sent by the line unit and the vehicle.

As shown in fig. 1, the route unit of the micro transportation system includes a plurality of areas, and the route sections include stations, vehicle inspection sections, independent right sections, shared right sections, and distributed parking sections;

the station is arranged in an independent road right section, and the station is provided with a dispersed parking section for storing standby vehicles; considering that the micro-rail vehicle can not move in two directions generally, the turning-back line adopts a loop design and is arranged at a station or a line terminal.

Specifically, the station is located in community, hospital or other public places for the passenger uses of getting on or off the bus, and the station is provided with the stop line for park the reserve vehicle.

The vehicle maintenance section is used for maintenance and parking of a fault vehicle.

The independent right of way section is the normal operation route of vehicle, and the vehicle has independent right of way, and in the utility model, the independent right of way section has the effect of charging for energy storage formula train.

The shared right section is a normal operation line of the vehicle, the vehicle shares right of way with the motor vehicles on the highway and the pedestrians, and the vehicle runs according to train running scheduling, highway traffic light indication and safe distance protection.

The scattered parking section is a vehicle parking line which is located on the lateral side of a station main line. When a passenger takes a car, the passenger selects the standby vehicles in sequence to take the car and sets a destination.

The line types comprise independent right lines, shared right lines, overhaul lines, stop lines, crossover lines, foldback lines and the like; the lines are divided into power supply lines and non-power supply lines according to the power supply types.

The specific circuit is as follows:

the independent road right line is arranged in non-public areas in the community and non-highway areas among the communities.

The shared road right line is arranged in public areas and roads in the community and public areas and roads between the communities.

The maintenance line is arranged in the control center.

The parking lines are arranged at each station and the control center, each station parking station parks about 2-4 micro-rail vehicles, and the control center parks enough standby vehicles meeting the full-line operation.

Crossover lines are arranged between the uplink and downlink lines and between different types of lines.

Line power supply setting:

and the maintenance line, the stop line and the independent right-of-way line are constructed by adopting power supply lines.

The shared road right main line and the crossover line are constructed by adopting non-power supply lines.

Track:

the track adopts embedded light ballastless track, lays light rail, forms the line track system that the dead weight is lighter, considers factors such as noise absorption simultaneously, adopts embedded track design.

The steering adopts a fixed single turnout.

The power supply line pipe channel is reserved in the track, power is supplied through the steel rail in the area with independent road right, one power supply rail is used as a power supply rail, and the other power supply rail is used as a traction return rail.

Vehicle:

the vehicle adopts an energy storage type vehicle and comprises the design of double-track current collection, energy storage, steering of guide wheels, current collection of steel wheels, running of rubber wheels and the like.

Double-rail controlled current receiving: in the independent road right section for power supply, a steel rail on one side is used as a power supply rail, a steel rail on the other side is used as a return rail, and the micro-rail vehicle receives current through steel wheels on two sides of the steel wheel bogie.

Energy storage: when the train enters the independent road right section, if the residual stored energy is not enough to enter the next power supply section, the control center supplies power to the independent road right section to charge the vehicle energy storage device and the equipment; and when entering the shared right-of-way section, the rest stored energy of the energy storage equipment is used for providing power for the train.

Steering of the guide wheel: the micro-rail vehicle realizes steering through the guide wheel and guides the running postures of the subsequent rubber wheel bogie and the steel wheel bogie.

The steel wheel receives the flow: the micro-rail vehicle is subjected to current collection through the steel wheel bogie.

Running a rubber wheel: the rubber wheel traveling device can provide higher adhesive force, and guarantees quick traction and short-distance braking of the train, and particularly in sections sharing the right of way, the short-distance braking is an important guarantee for safe operation of the train.

In addition, the train can also receive the flow through the specially designed sliding contact type current receiving device.

Supplying power

The power supply design comprises parts of power transformation, power segmentation, tracking power supply and the like.

Power supply: the direct current is adopted for supplying power, and the commercial power is transformed through a traction substation; the power supply is selectively performed only in the independent road right area.

Tracking power supply: not all segments are continuously powered in view of energy saving and power supply safety. According to the remaining electric quantity of each train, an electric subsection tracking power supply mode is designed, the system calculates the endurance mileage of each train through the train remaining electric quantity, electric quantity tracking is carried out on the trains running on the line, and a power supply switch is remotely controlled to supply power to the previous electric subsection to charge the energy storage type train aiming at the situation that the endurance mileage is not enough to enter the train of the next electric subsection.

The traction power supply design is as shown in fig. 2, the main substation reduces the voltage of the commercial power, the traction substation converts the voltage into traction direct current, the traction substation supplies power to the power supply rail through the feeder line, the micro-rail vehicle obtains power energy from the power supply rail, and the power forms a traction power supply loop with the traction substation through the return rail and the return line. The configuration of the traction substation can be that one traction substation is configured by one electric subsection or that one traction substation is configured by two or more electric subsections according to different geographic positions.

The power supply mode adopts two-rail power supply, one is used as a power supply rail, and the other is used as a return rail; the electric sections are arranged in the overhaul section and the independent road right section; according to the length of the line, an independent road right section can be set as an electric subsection, and the independent road right section can also be divided into two electric subsections; different electric subsections and the electric subsections and other subsections are isolated by rail insulation joints.

In consideration of energy saving of a line and power supply safety of an independent road right section, tracking type power supply control is performed in a power supply on demand mode, electric subsections arranged in an overhaul section and the independent road right section can be divided into a plurality of electric subsections according to geographical positions and line lengths, and track insulation sections are used for isolating adjacent electric subsections and between the electric subsections and a shared road right section.

The power supply control is carried out on the electric subsection through the tracking of the train position, as shown in a tracking power supply control design block diagram in figure 3, the distance from the train to the next electric subsection is calculated according to the current position and the line information of the train; calculating the cruising mileage according to the information of the residual electric quantity, the full load, the starting and stopping times and the like; if the cruising mileage is larger than the next electric sectional mileage, the power supply control instruction is not output; if the cruising mileage is less than the next electric sectional mileage, outputting a power supply control instruction to control the next electric sectional power supply; if the train is in the electric section at present, the train firstly disconnects the high-voltage main circuit breaker and then outputs a line power supply control instruction, and then the train closes the high-voltage main circuit breaker.

Further comprising: scheduling management

Different from the traditional train dispatching management driving plan, the utility model dispatches and manages the number of the standby vehicles at each station and the emergency rescue of the line fault vehicle.

The dispatching management comprises standby vehicle dispatching, fault vehicle dispatching and rescue dispatching.

And (3) dispatching the standby vehicles: the dispatching system ensures the basic requirement of the standby vehicles at each station and comprehensively dispatches the control center and the standby vehicles at each station at any time.

And (3) fault vehicle and rescue scheduling: when the vehicle has a fault, the rescue operation is carried out by adjacent vehicles or special rescue vehicles according to the level of the fault.

Operation management

The operation management comprises riding, ticket selling and checking, driving and the like.

Taking a bus: the station is located in the community, the station is provided with a stop line (including ascending and descending) for storing the standby vehicles, passengers select the standby vehicles by themselves through the stop line and set destinations, and the vehicles are required to be dispatched after certain waiting time.

Selling and checking tickets: and (5) adopting a two-dimensional code system to carry out ticket selling management and canceling ticket checking.

Driving: and an automatic driving system is adopted, and the control center carries out driving planning according to the destination set by the passenger and controls the train to finish the operation task.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims (5)

1. A micro rail transit system is characterized by comprising a rail unit, a vehicle, a power supply unit and a control center, wherein,

the power supply unit and the track unit are matched to adopt a double-track system for power supply, one track is used as a power supply track, and the other track is used as a return track;

the vehicle adopts double-track current collection, a steel rail on one side is used as a power supply rail, a steel rail on the other side is used as a return rail, and the vehicle is subjected to current collection through steel wheels on two sides of the steel wheel bogie;

when the vehicle enters the independent road right section, if the residual stored energy is not enough to enter the next power supply section, the control center is used for supplying power to the independent road right section and charging the vehicle energy storage device and the equipment; upon entering the shared right of way segment, the remaining stored energy of the energy storage device is used to power the vehicle.

2. The micro rail transit system of claim 1, wherein the vehicle is steered using guide wheels for guiding rubber-wheel trucks and steel-wheel trucks.

3. The micro rail transit system as claimed in claim 1, wherein the vehicle is subjected to current by steel wheels on two sides of a steel wheel bogie, and the vehicle is subjected to current by a sliding contact type current receiving device.

4. The micro rail transit system of claim 1, wherein the rail is embedded rail, and the light rail is laid.

5. The micro rail transit system of claim 1, wherein the power supply unit comprises a main substation and a plurality of traction substations, the main substation reduces voltage of commercial power, the voltage is converted into traction direct current by the traction substations, the traction substations supply power to the power supply rail through feeder lines, and the vehicle obtains power energy from the power supply rail and forms a traction power supply loop with the traction substations through the return rail.

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