One kind being suitable for medium-and low-speed maglev train traction system and magnetic suspension traffic system
Technical field
The present invention relates to medium-and low-speed maglev technical fields, being suitable for medium-and low-speed maglev train traction system more particularly to one kind
System and magnetic suspension traffic system.
Background technology
Currently, increasingly mature with electromagnetic suspension technology, medium-and low-speed maglev train is fast with its speed, low noise, comfort are high
And the advantages that safe and reliable, is becoming increasingly popular.Mainly by traction invertor in the trailer system of middle low speed magnetic suspension train
It is powered to linear motor to drive train operation.How a kind of solution medium-and low-speed maglev train traction system power is provided to improve
The scheme of train running speed problem is the current problem to be solved of those skilled in the art.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of trailer system of medium-and low-speed maglev train and
Magnetic suspension traffic system improves medium-and low-speed maglev train traction power and train running speed.
The purpose of the present invention is achieved through the following technical solutions:A kind of medium-and low-speed maglev train traction system, packet
Include third rail current collection module, workshop library socket, body grounding module, high pressure coupling box 1, high pressure coupling box 2, High-Voltage Electrical Appliances cabinet
1, High-Voltage Electrical Appliances cabinet 2, reactor 1, reactor 2, traction invertor 1, traction invertor 2, linear motor 1 and linear motor 2,
In:
The output plus terminal of the third rail current collection module input positive terminal with the high pressure coupling box 1 and high pressure coupling box 2 respectively
Connection, the output plus terminal of the high pressure coupling box 1 and high pressure coupling box 2 respectively with the High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2
Input positive terminal connection, the output plus terminal of the High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2 respectively with the reactor 1 and reactance
The input terminal of device 2 connects, the output end of the reactor 1 and reactor 2 respectively with the traction invertor 1 and traction invertor
2 input positive terminal connection, the output end of the traction invertor 1 and traction invertor 2 respectively with the linear motor 1 and straight line
Motor 2 connects, and the output negative terminal of the third rail current collection module is defeated with the high pressure coupling box 1 and high pressure coupling box 2 respectively
Enter negative terminal connection, the output negative terminal of the high pressure coupling box 1 and high pressure coupling box 2 respectively with the High-Voltage Electrical Appliances cabinet 1 and high pressure
The input negative terminal of Electric Appliance Cabinet 2 connects, and the output negative terminal of the High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2 is inverse with the traction respectively
The input negative terminal connection for becoming device 1 and traction invertor 2, passes through standdle carrier line phase between the high pressure coupling box 1 and high pressure coupling box 2
It connects, workshop library socket is connect with high pressure coupling box 1 and high pressure coupling box 2, the body grounding module and high pressure
Coupling box 1 and high pressure coupling box 2 connect.
It is preferred that three-position switch is arranged in the high pressure coupling box 1 and high pressure coupling box 2.
It is preferred that the normal position input terminal of three-position switch and the third rail current collection module output plus terminal
Connection, the library of the three-position switch are connect with position input terminal with the workshop library with socket, and the three positions conversion is opened
The ground connection position of pass is connect with the body grounding module.
It is preferred that three-position switch is manual change-over switch or electronic change-over switch.
It is preferred that High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2 include difference current detection module, high-speed circuit breaker
And pre-charge module, wherein:
The difference current detection module includes anode current sensor and negative terminal sensor, the anode current sensor
First end is connect with the output plus terminal of the high pressure coupling box 1 and high pressure coupling box 2, the anode current sensor second end with
The high-speed circuit breaker first end connection, the negative terminal current sensor first end and the high pressure coupling box 1 and high pressure separated time
The output negative terminal of case 2 connects, and the negative terminal current sensor second end is inputted with the traction invertor 1 and traction invertor 2
Negative terminal connects.High-speed circuit breaker second end is connect with pre-charge module first end, pre-charge module second end and reactor 1 and electricity
The input terminal of anti-device 2 connects.
It is preferred that linear motor 1 and linear motor 2 are the type of attachment of 2 tunnels parallel connection after the series connection of every 3 motors.
A kind of magnetic suspension traffic system, including third rail current collection module, workshop library socket, body grounding module, high pressure point
Line case 1, high pressure coupling box 2, High-Voltage Electrical Appliances cabinet 1, High-Voltage Electrical Appliances cabinet 2, reactor 1, reactor 2, traction invertor 1, traction are inverse
Become device 2, linear motor 1 and linear motor 2, wherein the output plus terminal of third rail current collection module respectively with high pressure coupling box 1 and height
Press the input positive terminal connection of coupling box 2, the output plus terminal of high pressure coupling box 1 and high pressure coupling box 2 respectively with High-Voltage Electrical Appliances cabinet 1 and
The input positive terminal of High-Voltage Electrical Appliances cabinet 2 connects, the output plus terminal of High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2 respectively with reactor 1 and electricity
The input terminal of anti-device 2 connects, and the output end of reactor 1 and reactor 2 is defeated with traction invertor 1 and traction invertor 2 respectively
Entering anode to connect, the output end of traction invertor 1 and traction invertor 2 is connect with linear motor 1 and linear motor 2 respectively, the
The output negative terminal of three rail current collection modules is connect with the input negative terminal of high pressure coupling box 1 and high pressure coupling box 2 respectively, high pressure coupling box
1 and the output negative terminal of high pressure coupling box 2 connect respectively with the input negative terminal of High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2, High-Voltage Electrical Appliances
The output negative terminal of cabinet 1 and High-Voltage Electrical Appliances cabinet 2 is connect with the input negative terminal of traction invertor 1 and traction invertor 2 respectively, high pressure point
It is connected with each other by standdle carrier line between line case 1 and high pressure coupling box 2.
The beneficial effects of the invention are as follows:Using the trailer system configuration of medium-and low-speed maglev train provided by the present invention and magnetic
Suspension traffic system improves the speed class of magnetic-levitation train tractive system power and train.
Description of the drawings
Fig. 1 is a kind of one of medium-and low-speed maglev train traction system structure diagram provided by the invention;
Fig. 2 is the two of a kind of medium-and low-speed maglev train traction system structure diagram provided by the invention.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
In the prior art, domestic medium-and low-speed maglev highest running speed in 100km/h hereinafter, traction invertor power by
Limit, cannot be satisfied the higher magnetic-levitation train demand of speed class.Moreover, existing linear motor, length is short, adjacent straight-line electric
Machine gap is big, and end effect is apparent, and electric efficiency is relatively low, and magnetic-levitation train speed-raising is difficult.
As shown in Figure 1, a kind of medium-and low-speed maglev train traction system, including third rail current collection module, workshop library socket,
Body grounding module, high pressure coupling box 1, high pressure coupling box 2, High-Voltage Electrical Appliances cabinet 1, High-Voltage Electrical Appliances cabinet 2, reactor 1, reactor 2,
Traction invertor 1, traction invertor 2, linear motor 1 and linear motor 2, wherein:
The output plus terminal of the third rail current collection module input positive terminal with the high pressure coupling box 1 and high pressure coupling box 2 respectively
Connection, the output plus terminal of the high pressure coupling box 1 and high pressure coupling box 2 respectively with the High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2
Input positive terminal connection, the output plus terminal of the High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2 respectively with the reactor 1 and reactance
The input terminal of device 2 connects, the output end of the reactor 1 and reactor 2 respectively with the traction invertor 1 and traction invertor
2 input positive terminal connection, the output end of the traction invertor 1 and traction invertor 2 respectively with the linear motor 1 and straight line
Motor 2 connects, and the output negative terminal of the third rail current collection module is defeated with the high pressure coupling box 1 and high pressure coupling box 2 respectively
Enter negative terminal connection, the output negative terminal of the high pressure coupling box 1 and high pressure coupling box 2 respectively with the High-Voltage Electrical Appliances cabinet 1 and high pressure
The input negative terminal of Electric Appliance Cabinet 2 connects, and the output negative terminal of the High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2 is inverse with the traction respectively
The input negative terminal connection for becoming device 1 and traction invertor 2, passes through standdle carrier line phase between the high pressure coupling box 1 and high pressure coupling box 2
It connects, workshop library socket is connect with high pressure coupling box 1 and high pressure coupling box 2, the body grounding module and high pressure
Coupling box 1 and high pressure coupling box 2 connect.
It is preferred that as shown in Fig. 2, the high pressure coupling box 1 and three positions of the setting of high pressure coupling box 2 are converted and are opened
It closes.
It is preferred that the normal position input terminal of three-position switch and the third rail current collection module output plus terminal
Connection, the library of the three-position switch are connect with position input terminal with the workshop library with socket, and the three positions conversion is opened
The ground connection position of pass is connect with the body grounding module.
It is preferred that three-position switch is manual change-over switch or electronic change-over switch.
It is preferred that as shown in Fig. 2, High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2 include difference current detection module,
High-speed circuit breaker and pre-charge module, wherein:
The difference current detection module includes anode current sensor and negative terminal sensor, the anode current sensor
First end is connect with the output plus terminal of the high pressure coupling box 1 and high pressure coupling box 2, the anode current sensor second end with
The high-speed circuit breaker first end connection, the negative terminal current sensor first end and the high pressure coupling box 1 and high pressure separated time
The output negative terminal of case 2 connects, and the negative terminal current sensor second end is inputted with the traction invertor 1 and traction invertor 2
Negative terminal connects.High-speed circuit breaker second end is connect with pre-charge module first end, pre-charge module second end and reactor 1 and electricity
The input terminal of anti-device 2 connects.
It is preferred that as shown in Fig. 2, linear motor 1 and linear motor 2 are 2 tunnels parallel connection after the series connection of every 3 motors
Type of attachment.
A kind of magnetic suspension traffic system, including third rail current collection module, workshop library socket, body grounding module, high pressure point
Line case 1, high pressure coupling box 2, High-Voltage Electrical Appliances cabinet 1, High-Voltage Electrical Appliances cabinet 2, reactor 1, reactor 2, traction invertor 1, traction are inverse
Become device 2, linear motor 1 and linear motor 2, wherein the output plus terminal of third rail current collection module respectively with high pressure coupling box 1 and height
Press the input positive terminal connection of coupling box 2, the output plus terminal of high pressure coupling box 1 and high pressure coupling box 2 respectively with High-Voltage Electrical Appliances cabinet 1 and
The input positive terminal of High-Voltage Electrical Appliances cabinet 2 connects, the output plus terminal of High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2 respectively with reactor 1 and electricity
The input terminal of anti-device 2 connects, and the output end of reactor 1 and reactor 2 is defeated with traction invertor 1 and traction invertor 2 respectively
Entering anode to connect, the output end of traction invertor 1 and traction invertor 2 is connect with linear motor 1 and linear motor 2 respectively, the
The output negative terminal of three rail current collection modules is connect with the input negative terminal of high pressure coupling box 1 and high pressure coupling box 2 respectively, high pressure coupling box
1 and the output negative terminal of high pressure coupling box 2 connect respectively with the input negative terminal of High-Voltage Electrical Appliances cabinet 1 and High-Voltage Electrical Appliances cabinet 2, High-Voltage Electrical Appliances
The output negative terminal of cabinet 1 and High-Voltage Electrical Appliances cabinet 2 is connect with the input negative terminal of traction invertor 1 and traction invertor 2 respectively, high pressure point
It is connected with each other by standdle carrier line between line case 1 and high pressure coupling box 2.
Advantage of the invention is that:
1, magnetic-levitation train often saves motor-car and is arranged two sets trailer systems, magnetic-levitation train two sets of trailer systems while work at runtime
Make.
2, three-position switch KF1 is provided in high pressure coupling box 1B1 and high pressure coupling box 2B2, magnetic-levitation train is just
Three-position switch KF1 is beaten normal position 2 in line operation, and for magnetic-levitation train by third rail current collection module for power supply, magnetic is floating at this time
When train is run in library, if being not provided with third rail current collection module in library, three-position switch KF1 is beaten in library position 1
Position, magnetic-levitation train is powered by library interpolation block at this time, when magnetic-levitation train needs to power off upkeep operation, in order to ensure upkeep operation personnel
Safety, three-position switch KF1 beat ground connection position 3, at this time magnetic-levitation train non-transformer power.
3, differential current sensor LH1 and LH2 are set in High-Voltage Electrical Appliances cabinet 1C1 and High-Voltage Electrical Appliances cabinet 2C2, differential electrical is spread
Sensor LH1 and LH2 can detect the input positive terminal electric current and input negative terminal electric current of High-Voltage Electrical Appliances cabinet 1C1 and High-Voltage Electrical Appliances cabinet 2C2, when
When current differential between sensor LH1 and LH2 reaches a preset value, in traction invertor 1E1 and traction invertor 2E2
Control software can control High-Voltage Electrical Appliances cabinet 1C1 and High-Voltage Electrical Appliances cabinet 2C2 high speed breakers disconnect.
4, linear motor 1F1 modules and linear motor 2F2 modules include 6 linear motors, and 6 linear motors use every 3
Type of attachment in parallel again, magnetic-levitation train often save motor-car totally 12 motors after the series connection of platform motor, are conducive to magnetic-levitation train speed class
Raising.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
All any modification, equivalent and improvement made by within the spirit and principles in the present invention etc. should be included in the guarantor of the present invention
Within the scope of shield.