CN108273272A - A kind of novel traction power supply system based on rail traffic sand table model - Google Patents
A kind of novel traction power supply system based on rail traffic sand table model Download PDFInfo
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- CN108273272A CN108273272A CN201810058483.9A CN201810058483A CN108273272A CN 108273272 A CN108273272 A CN 108273272A CN 201810058483 A CN201810058483 A CN 201810058483A CN 108273272 A CN108273272 A CN 108273272A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H19/00—Model railways
- A63H19/24—Electric toy railways; Systems therefor
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H19/00—Model railways
- A63H19/24—Electric toy railways; Systems therefor
- A63H19/26—Toy vehicles with overhead trolley-wire; Trolley-buses
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Toys (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of novel traction power supply systems based on rail traffic sand table model.Using overhead contact line and contact two kinds of traction power supply modes of track.Wherein, contact web frame in overhead contact line power supply mode is using quasicompensation suspension arrangement and full compensation suspension arrangement, station using it is soft, firmly across combination, rolling stock section using it is soft across, circuit is equipped with the equipment such as section insulator, overlap, central anchor section, feed line, electric connector, return wire and various circuits, marker are complete, identical with true traffic-operating period.The basic principle and work operation scene of rail traffic or railway power system can really be restored, to meet railway and rail traffic correlation universities and colleges, relevant speciality to the education and instruction purpose of student, the purpose that disclosure satisfy that rail traffic and construction of railways, unit of operation training employee again, really embodies the heart at the beginning of sand table design.
Description
Technical field
The present invention relates to a kind of rail traffics to simulate sand table system, especially a kind of based on the new of rail traffic sand table model
Type tractive power supply system.
Background technology
Sand table nature of business is serious in terms of existing rail traffic, and power supply mode is simple and crude and part businessman is for the purpose of making money,
Not only of high cost, simple in structure, performance is again poor, cannot preferably restore the operation state of actual trajcctorics traffic and railway power supply,
It can not achieve the purpose that education and instruction and training, it is commercialized to use dry cell or individual track power supply mode, contact net
As appearance engineering even not erecting contact net.The not responsible attitude of businessman not only make learner can not actual contact to track
Traffic and railway scene, or even can lead to misunderstanding, completely away from using the heart at the beginning of sand table.
Invention content
Technical problem to be solved by the invention is to provide a kind of emulation technologies to realize that confession is completely drawn in actual trajcctorics traffic
The novel traction power supply system based on rail traffic sand table model of electrical circuit.
In order to solve the above technical problems, the technical solution used in the present invention is：One kind being based on rail traffic sand table model
Novel traction power supply system, which is characterized in that including alternating current 220V, the simulation main transformer station of 50HZ voltage outputs, with simulation
The power module of voltage regulation of main transformer station's connection, the double-point double-throw switch that voltage input end is connect with power module of voltage regulation, with double-pole
Contact net power supply circuit, the track power supply circuit of commutator voltage output end connection；The vehicle of the rail traffic sand table model
Stand using it is soft, firmly across combination, rolling stock section is using soft across circuit is equipped with section insulator, overlap, central anchor
The equipment such as section, feed line, electric connector, return wire and various circuits, marker are complete；The contact net power supply circuit by by
Pantograph takes electricity to supply electricity to vehicle electronic circuit plate from contact net, and vehicle electronic circuit plate supplies electricity to model vehicle by its internal voltage reduction module
Motor, last electric current flow to power module of voltage regulation through track return line, contact net and constitute circuit；The track power supply circuit is by steady
Piezoelectricity source module constitutes complete loops by two track output currents, finally by engine truck, is provided to electric locomotive
Electric energy；The power module of voltage regulation output voltage is DC 0-24V；The vehicle electronic circuit plate is equipped with control train operation state, fortune
The master control board chip of row voltage.
Further technical solution is that the power module of voltage regulation output voltage is DC 24V, the internal decompression mould
Block is that DC 24V turn DC 12V lowering and stabilizing blood pressure modules；The internal voltage reduction module serves as pulse oscillator by 555 timers, and 555
No. 5 feet of timer are connected to voltage-stabiliser tube to obtain+6V reference voltages, and No. 2 feet are sampled from the sample circuit that R7, R8 are formed
Voltage；When No. 2 foot voltages are less than+3V, No. 3 feet then export high level, make BG3, BG1, BG2 saturation conduction, power to the load；
At the same time, power supply charges through R6 to C2, when No. 6, No. 7 foot current potentials reach+9V；If No. 2 feet also reach+3V or more, No. 3
Foot exports low level, and capacitance discharges through No. 7 feet, and switching tube BG3, BG1, BG2 are turned off；When the voltage of No. 2 the connect capacitances of foot is low
When+3V, No. 3 feet export high level again, so constantly so that output voltage values is stable on rated output voltage 12V repeatedly.
Further technical solution is that the contact web frame of the contact net power supply circuit is using the tin plating of plurality of specifications
Copper covered steel wire uses welding manner as the electrification railway contact nets facility such as dropper, carrier cable, contact line, overlap
It sets up, using overlap as separation in contact net welding process, according to different circuit different sections, takes point across segmented welding
It sets up；Catenary erection using 3D printing and ABS sticks splicing make firmly across, using true railway set up it is soft across technology set
Count drawing, using plurality of specifications CP wire make it is soft across, remaining section without a switch be all made of compound steel column into
Row is set up.
Further technical solution is, it is described it is soft, firmly across top and the bottom fixed rope using 10mm CP wires work
For skeleton, 8mm CP wires are used for making locator, lateral conductor etc. across component, and insulator is ground by 11mm ABS bastinades
Go out 10 intervals to be made.
Further technical solution is, soft across soft across that is, laterally using insulation in the catenary erection
Carrier cable, top fixed rope, the equal insulation against ground of lower part fixed rope；It is soft across erection mainly select tin plating steel wire, in Necessary Number of Tracks
More rolling stock section uses, using double headspan wires；The horizontal load of longitudinal carrier cable is passed to pillar by upper part fixed rope
The longitudinal carrier cable of fixed each station track；Lower part fixed rope fixes the locator positioned by technology requirement to contact line；Upper and lower part is solid
Fixed rope is solely subjected to horizontal force.
Further technical solution is, hard in the catenary erection uses the hard crossbeam of triangular cross-section across structure,
It is set up within the scope of the shelter out of the station of station and section multiply road section, the truth that structure is set up fully according to existing station is imitative
Really make.
Further technical solution is, welds and improves for the first time above the pantograph and powers to vehicle electronic circuit plate
Pantograph pan of locomotive.
Further technical solution is that the carbon slipper is the tin plating copper-clad for welding 30mm long above pantograph at 8mm
It is 20 hours electric or more to ensure that motorcycle pantograph can continuously take with contact net friction for steel wire.
Further technical solution is that the vehicle electronic circuit plate includes the microcontroller as master control board chip
STM32F103RET6, and fuse MF-NSMF075-2, connector header 2X2,5V Voltage stabilizing modules, low voltage difference can be resetted
Voltage regulator LM117, capacity cell 0.47F/5.5V.
Further technical solution is that the vehicle electronic circuit plate includes that 24V turns 12VDC-DC lowering and stabilizing blood pressure modules, can
Stable 12V rated output voltages are provided, (adjusting can be adjusted to this voltage by drawing power transformation remote control simulation softward
Range 0-12V), locomotive running speed is changed with this.
It is using advantageous effect caused by above-mentioned technical proposal：The present invention is using overhead contact line and contact track two
Kind traction power supply mode.Wherein, the contact web frame in overhead contact line power supply mode is mended using quasicompensation suspension arrangement with complete
Repay suspension arrangement, station using it is soft, firmly across combination, rolling stock section is using soft across circuit is equipped with section insulator, anchor section is closed
The equipment such as section, central anchor section, feed line, electric connector, return wire and various circuits, marker are complete, with true operation feelings
Condition is identical.Contact net receives DC (direct current) 24V voltages of D.C. regulated power supply module output, and passes through vehicle electronic circuit plate
In voltage reduction module DC24V voltages are down to DC12V, to electric locomotive power supply and can by draw power transformation remote control simulation it is soft
(adjustable range 0-12V) is adjusted to voltage in part, is provided with this to change locomotive running speed or interlocking of signals control
Stable electric energy.It is most passed through afterwards by D.C. regulated power supply module, two track output currents using track drawing power supply mode
Engine truck constitutes complete loops and is powered for electric locomotive, can be changed by adjusting D.C. regulated power supply module output voltage
The changing train speed of service, voltage regulation limits 0-24V.
The basic principle and work operation scene that rail traffic or railway power system can either really be restored, to meet iron
Road and rail traffic correlation universities and colleges, relevant speciality disclosure satisfy that rail traffic and railway are applied to the education and instruction purpose of student
Work, the purpose of unit of operation training employee, really embody the heart at the beginning of sand table design.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the switching device figure of working method under two kinds of track of the present invention, contact net powering modes；
The flow chart of voltage conversion when Fig. 2 is contact net power supply of the present invention；
Fig. 3 is that vehicle electronic circuit plate two level DC24V turns DC12V transformer module functional block diagrams；
Fig. 4 is vehicle-mounted plate part circuit diagram；
Fig. 5 is soft across structural schematic diagram in catenary erection of the present invention；
Fig. 6 is hard across structural schematic diagram in catenary erection of the present invention；
Fig. 7 is the section without a switch contact net structural schematic diagram in catenary erection of the present invention；
Fig. 8-11 is that motorcycle pantograph of the present invention improves the structure chart after slide plate respectively.
A, contact net；B, pantograph；C, vehicle-mounted plate；D, bogie；E, it is that track is powered that track 1,1 ', which is closed,；2, it 2 ' is closed
It powers for contact net；1, insulator；2, dropper；3, carrier cable；4, upper fixed rope；5, lower fixed rope；6, lateral conductor；7, it positions
Device；8, headspan wire；9, contact line；10, track；11, pillar；12, pull rod；2-1, upper frame；2-2, pull rod；2-3, carbon are slided
Plate；2-4, balancing pole；2-5, streamline is taken；2-6, lower arm rod；2-7, chassis；2-8, knuckle joint current line；2-9, insulator；2-10、
Bow head.
Specific implementation mode
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
Implemented different from other manner described here using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown, the invention discloses a kind of novel traction power supply system based on rail traffic sand table model, it is special
Sign is, including simulation main transformer station, the regulated power supply being connect with main transformer station, and voltage input end is connect double with regulated power supply
Double-pole double throw switch, the contact net power supply circuit being connect with double-point double-throw switch voltage output end, track power supply circuit；The track
The station of traffic sand table model using it is soft, firmly across combination, rolling stock section using it is soft across, circuit be equipped with section insulator,
The equipment such as overlap, central anchor section, feed line, electric connector, return wire and various circuits, marker are complete；It is described to connect
It is that vehicle-mounted plate is powered that net-fault power supply circuit takes electricity by pantograph from contact net, most flows to voltage stabilizing through track return line, contact net afterwards
Electric power generating composition circuit；The track power supply circuit by power module of voltage regulation by two track output currents, finally by locomotive
Steering structure provides electric energy at complete loops, to electric locomotive；The regulated power supply output voltage is 0-24V；The vehicle-mounted plate
Equipped with control train operation state master control board chip.
Preferably, the regulated power supply is internally provided with two-stage transformer, is respectively that level-one AC220V turns DC24V transformers
And two level DC24V turns DC12V transformers；The two level DC24V turns DC12V transformers and provides power supply to master control board chip；Institute
It states two level DC24V and turns DC12V transformer circuits and serve as pulse oscillator by 555 timers, No. 5 feet of 555 timers are connected to surely
For pressure pipe to obtain+6V reference voltages, No. 2 feet obtain sampling voltage from the sample circuit that R7, R8 are formed；When No. 2 foot voltages are small
When+3V, No. 3 feet then export high level, make BG3, BG1, BG2 saturation conduction, power to the load；At the same time, power supply is through R6
It charges to C2, when No. 6, No. 7 foot current potentials reach+9V；If No. 2 feet also reach+3V or more, No. 3 feet export low level, capacitance
It discharges through No. 7 feet, switching tube BG3, BG1, BG2 are turned off；When the voltage of No. 2 the connect capacitances of foot is less than+3V, No. 3 feet are again defeated
Go out high level, so constantly so that output voltage values is stable on rated output voltage 12V repeatedly.
Preferably, the contact net uses the CP wire of plurality of specifications as dropper, carrier cable, contact line, anchor
The electrification railway contact nets facility such as Duan Guanjie, and set up using welding manner, it is with overlap in contact net welding process
Separation takes point across a segmented welding erection according to different circuit different sections；Catenary erection uses 3D printing and ABS sticks
Splicing make firmly across, using true railway set up it is soft across Technology design drawing, utilize plurality of specifications CP wire
Make soft across remaining section without a switch is all made of compound steel column and is set up.
Preferably, it is described it is soft, firmly across top and the bottom fixed rope using 10mm CP wires as skeleton, 8mm is tin plating
Copper covered steel wire is used for making locator, lateral conductor etc. across component, and insulator grinds 10 intervals by 11mm ABS bastinades and carries out
It makes.
Preferably, soft across soft across that is, lateral carrier cable, top are fixed using insulation in the catenary erection
Rope, the equal insulation against ground of lower part fixed rope；It is soft across erection mainly select tin plating steel wire, in Necessary Number of Tracks, more rolling stock section makes
With using double headspan wires；The horizontal load of longitudinal carrier cable is passed to pillar and fixes the vertical of each station track by upper part fixed rope
To carrier cable；Lower part fixed rope fixes the locator positioned by technology requirement to contact line；Upper and lower part fixed rope is solely subjected to level
Power.
Preferably, in the catenary erection it is hard across structure use the hard crossbeam of triangular cross-section, be set up in station disengaging
It stands within the scope of shelter and section multiply road section, structure is emulated fully according to the truth that existing station is set up and made.
Preferably, it is welded for the first time above the pantograph and improves the motorcycle pantograph powered to vehicle electronic circuit plate and slided
Plate.
Preferably, the carbon slipper be pantograph above 8mm place welding 30mm long CP wire, guarantee locomotive by
Pantograph can continuously take with contact net friction 20 hours electric or more.
Preferably, the vehicle-mounted plate includes the microcontroller STM32F103RET6 as master control board chip, and can be resetted
Fuse MF-NSMF075-2, connector header2X2,5V Voltage stabilizing module, low difference voltage regulator LM117, capacity cell
0.47F/5.5V。
Fig. 1 is switching device of the present invention for working method under two kinds of track, contact net powering modes.Design content
Using power module of voltage regulation by the positive and negative two-way electric current of 220V exchange electricity outputs 24V, to change electric current using the double switches of setting of double-pole
Output, when 1,1 is closed, output 24V positive and negative electric currents are respectively to track both ends, using the electric conductivity of model locomotive bogie,
By track positive and negative electrode, model locomotive bogie, model locomotive motor internal, which are constituted, completes circuit, and by adjusting regulated power supply
The output valve of module voltage controls the speed of service of model locomotive with this to control the rotating speed of model locomotive motor.
When 2,2 are closed, power module of voltage regulation output 24V positive electricity flow to contact net, is connect from contact line through pantograph pan
Electric current is received to intra-locomotive vehicle electronic circuit plate, 12V DC-DC lowering and stabilizing blood pressure modules is turned by vehicle-mounted plate 24V, voltage is adjusted to 12V,
And export the diverted frame of 12V negative currents and flow to track return line, it is back to power module of voltage regulation and constitutes current supply circuit, and can pass through
(adjustable range 0-12V) is adjusted to voltage in traction power transformation remote control simulation softward, changes locomotive running speed with this,
Or interlocking of signals control system provides stable electric energy.
The flow chart of voltage conversion, 220V AC powers first pass around regulated power supply when Fig. 2 is contact net power supply of the present invention
Module output 24V (in order to meet required voltage under output track power supply mode, therefore level-one reduced output voltage 24V), when 2,2' is switched
When closure, pantograph takes contact net 24V to supply vehicle-mounted plate, and vehicle-mounted plate turns 12V DC-DC lowering and stabilizing blood pressure modules by 24V and carries out two
24V is reduced to 12V and supplies electric power locomotive to provide vehicle-mounted plate operating voltage by secondary decompression.
Fig. 3 is that vehicle electronic circuit plate 24V turns 12V DC-DC lowering and stabilizing blood pressure module principle block diagrams.
This circuit serves as pulse oscillator by 555.555 No. 5 feet are connected to voltage-stabiliser tube to obtain+6V reference voltages, No. 2 feet
Sampling voltage is obtained from the sample circuit that R7, R8 are formed.When No. 2 foot voltages are less than+3V, No. 3 feet then export high level, make
BG3, BG1, BG2 saturation conduction, power to the load.At the same time, power supply charges through R6 to C2, when No. 6, No. 7 foot current potentials reach+
When 9V.If No. 2 feet also reach+3V or more, No. 3 feet export low level, and capacitance discharges through No. 7 feet, switching tube BG3, BG1, BG2
It is turned off.When the voltage of No. 2 the connect capacitances of foot is less than+3V, No. 3 feet export high level again, so constantly make output repeatedly
Voltage value is stable on rated output voltage 12V.
Fig. 4 is the partial circuit design drawing of the vehicle-mounted plate of the present invention, which can reset fuse using MF-NSMF075-2
For safety device, when ensureing locomotive operation accident using the function that it automatically resets, car body is unlikely to by too macrolesion；5V voltage stabilizings
Module (also known as voltage regulating module) ensures that output voltage is adjustable to control locomotive running speed；LM1117 low difference voltage regulators
(providing current limit and Thermal protection) ensures the stability of adjustable voltage output.
Fig. 5 is soft across structural schematic diagram in catenary erection of the present invention.In catenary erection of the present invention it is soft across
Structural schematic diagram is soft across that is, lateral carrier cable, top fixed rope, the equal insulation against ground of lower part fixed rope using insulation.Soft cross
Across erection mainly select tin plating steel wire, used in the rolling stock section of Necessary Number of Tracks more (be more than five station tracks), using double headspan wires,
Reduce the requirement to branch column capacity.The effect of upper part fixed rope is the longitudinal carrier cable of fixed each station track, and will longitudinally be held
The horizontal load (such as wind-force, curve power) of power rope passes to pillar.Lower part fixed rope effect is fixed locator, to dock
It touches line to position by technology requirement, and contact line horizontal load is passed into pillar, upper and lower part fixed rope is solely subjected to horizontal force.Absolutely
Edge formula it is soft across erection not only bring facility to hotline maintenance, and locomotive encroachment line can be prevented, guarantee is open to traffic safety.
Fig. 6 is that hard in catenary erection of the present invention is set up in vehicle across structural schematic diagram using the hard crossbeam of triangular cross-section
It stands within the scope of shelter out of the station and section multiply road section, structure is emulated fully according to the truth that Shijiazhuang railway station is set up
And it makes.Its advantage is mainly shown as, improves the stability of contact net, reduce train high speed by when contact net vibrations to adjacent lines
The interference of the contact suspension on road, hence it is evident that improve the current mass that takes of pantograph, and reduce to strut height, bending moment and basis
The requirement of bearing capacity.
Fig. 7 is the section without a switch contact net structural schematic diagram in catenary erection of the present invention, and 3cm placements are often put in design
Dropper, per span length about 21cm, to prevent tension and sag the changing greatly with temperature of conducting wire, contact line is in hitch point stress collection
In, hard spot is formed, elasticity is uneven, influences the defect for taking stream unstable when electric locomotive high-speed cruising.
Fig. 8-11 be the present invention to motorcycle pantograph increase slide plate after each view of pantograph, improvement promote significantly by
Pantograph service life, and can ensure that locomotive takes the stability of stream on contact net.
The present invention is using overhead contact line and contact two kinds of traction power supply modes of track.Wherein, overhead contact line supplier of electricity
Contact web frame in formula using quasicompensation suspension arrangement and full compensation suspension arrangement, station using it is soft, firmly across combination, vehicle
Duan Caiyong is soft across circuit is equipped with section insulator, overlap, central anchor section, feed line, electric connector, return wire etc.
Equipment and various circuits, marker are complete, identical with true traffic-operating period.Contact net receives D.C. regulated power supply mould
DC (direct current) 24V voltages of block output, and DC24V voltages are down to by DC12V by the voltage reduction module in vehicle electronic circuit plate, to electricity
Simultaneously (adjustable range 0-12V) can be adjusted to voltage by drawing power transformation remote control simulation softward in power locomotive power supply, with this
Stable electric energy is provided to change locomotive running speed or interlocking of signals control.Using track drawing power supply mode, pass through
D.C. regulated power supply module, two track output currents most constitute complete loops through engine truck afterwards and are carried out for electric locomotive
Power supply can change train running speed, voltage regulation limits 0-24V by adjusting D.C. regulated power supply module output voltage.
The basic principle and work operation scene that rail traffic or railway power system can either really be restored, to meet iron
Road and rail traffic correlation universities and colleges, relevant speciality disclosure satisfy that rail traffic and railway are applied to the education and instruction purpose of student
Work, the purpose of unit of operation training employee, really embody the heart at the beginning of sand table design.
Claims (9)
1. a kind of novel traction power supply system based on rail traffic sand table model, which is characterized in that including alternating current 220V, 50HZ
The simulation main transformer station of voltage output, the power module of voltage regulation being connect with simulation main transformer station, voltage input end and regulated power supply
The double-point double-throw switch of module connection, the contact net power supply circuit being connect with double-point double-throw switch voltage output end, track power supply
Circuit；The station of the rail traffic sand table model using it is soft, firmly across combination, rolling stock section is using soft across being set on circuit
There are the equipment such as section insulator, overlap, central anchor section, feed line, electric connector, return wire and various circuits, signal post
Will is complete；The contact net power supply circuit takes electricity to supply electricity to vehicle electronic circuit plate by pantograph from contact net, and vehicle electronic circuit plate passes through
Its internal voltage reduction module supplies electricity to the motor of model vehicle, and last electric current flows to regulated power supply mould through track return line, contact net
Block constitutes circuit；The track power supply circuit, by two track output currents, is turned by power module of voltage regulation finally by locomotive
Complete loops are constituted to frame, electric energy is provided to electric locomotive；The power module of voltage regulation output voltage is DC0-24V；The vehicle
Carry the master control board chip that circuit board is equipped with control train operation state, working voltage.
2. a kind of novel traction power supply system based on rail traffic sand table model according to claim 1, feature exist
In：The power module of voltage regulation output voltage is DC 24V, and the internal voltage reduction module is that DC 24V turn DC 12V lowering and stabilizing blood pressures
Module；The internal voltage reduction module serves as pulse oscillator by 555 timers, and No. 5 feet of 555 timers are connected to voltage-stabiliser tube to obtain
+ 6V reference voltages are obtained, No. 2 feet obtain sampling voltage from the sample circuit that R7, R8 are formed；When No. 2 foot voltages are less than+3V, 3
Number foot then exports high level, makes BG3, BG1, BG2 saturation conduction, powers to the load；At the same time, power supply charges through R6 to C2,
When No. 6, No. 7 foot current potentials reach+9V；If No. 2 feet also reach+3V or more, No. 3 feet export low level, and capacitance is put through No. 7 feet
Electricity, switching tube BG3, BG1, BG2 are turned off；When the voltage of No. 2 the connect capacitances of foot is less than+3V, No. 3 feet export high level again,
So constantly output voltage values are made to be stable on rated output voltage 12V repeatedly.
3. a kind of novel traction power supply system based on rail traffic sand table model according to claim 1, feature exist
In：The contact web frame of the contact net power supply circuit using plurality of specifications CP wire as dropper, carrier cable, connect
The electrification railway contact nets facilities such as line, overlap are touched, and are set up using welding manner, with anchor section in contact net welding process
Joint is separation, according to different circuit different sections, takes point across a segmented welding erection；Catenary erection using 3D printing and
ABS sticks splicing make firmly across, using true railway set up it is soft across Technology design drawing, utilize the tin plating copper-clad of plurality of specifications
Steel wire make soft across remaining section without a switch is all made of compound steel column and is set up.
4. a kind of novel traction power supply system based on rail traffic sand table model according to claim 3, feature exist
In：It is described it is soft, firmly across top and the bottom fixed rope using 10mm CP wires as skeleton, 8mm CP wires are used for
Locator, lateral conductor etc. are made across component, insulator grinds 10 intervals by 11mm ABS bastinades and made.
5. a kind of novel traction power supply system based on rail traffic sand table model according to claim 3, feature exist
In：It is soft across soft across that is, lateral carrier cable, top fixed rope, lower part are fixed using insulation in the catenary erection
It restricts equal insulation against ground；It is soft across erection mainly select tin plating steel wire, use in the more rolling stock section of Necessary Number of Tracks, horizontal held using double
Power rope；The horizontal load of longitudinal carrier cable is passed to the longitudinal carrier cable that pillar fixes each station track by upper part fixed rope；Lower part
Fixed rope fixes the locator positioned by technology requirement to contact line；Upper and lower part fixed rope is solely subjected to horizontal force.
6. a kind of novel traction power supply system based on rail traffic sand table model according to claim 3, feature exist
In：In the catenary erection it is hard across structure use the hard crossbeam of triangular cross-section, be set up in station shelter range out of the station
Interior and section multiply road section, structure are emulated fully according to the truth that existing station is set up and are made.
7. a kind of novel traction power supply system based on rail traffic sand table model according to claim 1, feature exist
In：It welds for the first time above the pantograph and improves the pantograph pan of locomotive powered to vehicle electronic circuit plate.
8. a kind of novel traction power supply system based on rail traffic sand table model according to claim 1, feature exist
In：The slide plate is the CP wire for welding 30mm long above pantograph at 8mm, ensure that motorcycle pantograph can be continuous
It is taken with contact net friction 20 hours electric or more.
9. a kind of novel traction power supply system based on rail traffic sand table model according to claim 1, feature exist
In：The vehicle electronic circuit plate includes the microcontroller STM32F103RET6 as master control board chip, and can reset fuse
MF-NSMF075-2, connector header 2X2,5V Voltage stabilizing modules, low difference voltage regulator LM117, capacity cell 0.47F/
5.5V。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810058483.9A CN108273272A (en) | 2018-01-22 | 2018-01-22 | A kind of novel traction power supply system based on rail traffic sand table model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810058483.9A CN108273272A (en) | 2018-01-22 | 2018-01-22 | A kind of novel traction power supply system based on rail traffic sand table model |
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| Publication Number | Publication Date |
|---|---|
| CN108273272A true CN108273272A (en) | 2018-07-13 |
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| CN201810058483.9A Pending CN108273272A (en) | 2018-01-22 | 2018-01-22 | A kind of novel traction power supply system based on rail traffic sand table model |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110619791A (en) * | 2019-09-12 | 2019-12-27 | 西南交通大学 | High-speed rail comprehensive energy utilization system experiment platform and experiment method thereof |
| CN111047965A (en) * | 2020-01-15 | 2020-04-21 | 滕飞 | Support fixing device used on sand table and used for keeping conducting wire straight |
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| CN111047965A (en) * | 2020-01-15 | 2020-04-21 | 滕飞 | Support fixing device used on sand table and used for keeping conducting wire straight |
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Application publication date: 20180713 |