CN206155443U - Rail car - Google Patents
Rail car Download PDFInfo
- Publication number
- CN206155443U CN206155443U CN201621232775.2U CN201621232775U CN206155443U CN 206155443 U CN206155443 U CN 206155443U CN 201621232775 U CN201621232775 U CN 201621232775U CN 206155443 U CN206155443 U CN 206155443U
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- Prior art keywords
- rail vehicle
- wheel hub
- hub motor
- super capacitor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a rail car. The utility model provides a rail car, include: traction inverter and in -wheel motor, above -mentioned traction inverter's input and power supply are connected, and above -mentioned traction inverter's output and above -mentioned in -wheel motor are connected, and above -mentioned in -wheel motor's stator cover is established on above -mentioned rail car's axletree, and above -mentioned in -wheel motor's rotor is fixed on above -mentioned rail car's wheel, above -mentioned traction inverter for be drive current with the electric current contravariant of above -mentioned power supply output, and export above -mentioned drive current for above -mentioned in -wheel motor, above -mentioned in -wheel motor for according to the operation of the above -mentioned rail car of above -mentioned drive current drive. The utility model provides a rail car can realize rail car's lightweight, improves the passengers capacity of vehicle.
Description
Technical field
This utility model is related to mechanical technique, more particularly to a kind of rail vehicle.
Background technology
With the quickening of urbanization process, track traffic faces the increasing pressure, and rail vehicle lightweight becomes rail
The inexorable trend of road transport development.
At present, the traction drive of rail vehicle includes traction electric machine, gear-box and installed in traction electric machine and gear
Shaft coupling between case；Wherein, traction electric machine is fixed on the framework of bogie by connector, and gear case body passes through suspension rod
Fix architecturally, one end of shaft coupling is fixed with the motor shaft of traction electric machine, and the other end is connected with the input shaft of gear-box.Should
The type of drive of traction drive is：Traction electric machine drive gear is rotated, and then the pattern by gear band driving wheel to rotation.This
The driving means and type of drive of sample make the heavier-weight of the complex structure of car body, car body, and then enable the carrying of rail vehicle
Power is relatively low.
Utility model content
This utility model provides a kind of rail vehicle, to realize the lightweight of rail vehicle, improves the carrying of rail vehicle
Ability.
The rail vehicle that this utility model is provided, including：Traction invertor and wheel hub motor, the traction invertor it is defeated
Enter end to be connected with power supply, the outfan of the traction invertor is connected with the wheel hub motor, the wheel hub motor is determined
Sub-set is located on the axletree of the rail vehicle, and the rotor of the wheel hub motor is fixed on the wheel of the rail vehicle；
The traction invertor, is driving current for the current inversion that exports the power supply, and by the drive
Streaming current is exported to the wheel hub motor；
The wheel hub motor, for driving the rail vehicle operation according to the driving current.
The rail vehicle that the present embodiment is provided, by arranging traction invertor and wheel hub motor, and the traction invertor
Input be connected with power supply, the outfan of the traction invertor is connected with the wheel hub motor, the wheel hub motor
Stator be set on the axletree of the rail vehicle, the rotor of the wheel hub motor is fixed on the wheel of the rail vehicle
On, the traction invertor is driving current for the current inversion that exports the power supply, and by the driving current
Export to the wheel hub motor, the wheel hub motor, for driving the rail vehicle operation according to the driving current.This
Sample, original traction drive is replaced using wheel hub motor, can reduce the structure composition of rail vehicle, realizes rail vehicle
Lightweight, improve rail vehicle passenger carrying capacity.
Further, the power supply is the charging pile in station, and the rail vehicle also includes：Super capacitor, institute
State super capacitor to be connected with the input of the traction invertor, and the super capacitor is when the rail vehicle enters the station and institute
State charging pile connection；
The super capacitor, for when the rail vehicle is operated in traction state, by the traction invertor to
The wheel hub motor is powered, and when the rail vehicle is operated in on-position, the electric energy that the wheel hub motor feeds back is deposited
Storage is got off；
The charging pile, for charging to the super capacitor when being connected with the super capacitor.
The rail vehicle that the present embodiment is provided, by the charging pile being set to power supply in station, and in railcar
Super capacitor is set on, and the super capacitor is connected with the input of the traction invertor, the super capacitor is in institute
State and be connected with the charging pile when rail vehicle enters the station, the super capacitor, for being operated in traction shape in the rail vehicle
During state, powered to the wheel hub motor by the traction invertor, and when the rail vehicle is operated in on-position, will
The power storage of the wheel hub motor feedback is got off, the charging pile, for surpassing to described when being connected with the super capacitor
Level electric capacity charges.So, by arranging super capacitor, and powered to rail vehicle by super capacitor, can not only be avoided
Built on stilts net or the 3rd rail are set on the working line of rail vehicle, are economized on resources, additionally it is possible in track vehicle operation in braking shape
During state, the energy that wheel hub motor is fed back is used to be charged for super capacitor, and the recycling of energy is realized to greatest extent, realizes energy
Source economized.
Further, the super capacitor is arranged on the car body top or car bottom of the rail vehicle.
Further, the rail vehicle also include booster circuit, the booster circuit be arranged on the super capacitor with
Between the traction invertor.
The rail vehicle that the present embodiment is provided, by arranging booster circuit between super capacitor and traction invertor, this
Sample, by booster circuit, the magnitude of voltage of the electric current that can be exported super capacitor is raised, to meet the requirement of driving.
Further, the power supply is overhead contact line pantograph.
Further, the traction invertor includes rectification circuit and inverter circuit；
The rectification circuit, for the alternating current that the overhead contact line pantograph is exported to be changed into into unidirectional current, and will
The unidirectional current is exported to the inverter circuit after processing after filtering；
The inverter circuit, for being driving current by the DC inverter, and the driving current is exported to institute
State wheel hub motor.
Further, the super capacitor is also connected with the auxiliary bus bar of the rail vehicle, and the super capacitor is also used
Power in the auxiliary equipment to the rail vehicle.
The rail vehicle that the present embodiment is provided, by the way that super capacitor is connected with the auxiliary bus bar of rail vehicle, so, also
Auxiliary equipment that can be by super capacitor to rail vehicle is powered.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are
Some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative labor
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the rail vehicle that this utility model embodiment one is provided；
Structural representation of the wheel hub motor with wheel to cooperation in the rail vehicle that Fig. 2 is provided for this utility model；
Fig. 3 is the structural representation of the rail vehicle that this utility model embodiment two is provided；
Fig. 4 is the signal of energy Flow when the rail vehicle that this utility model embodiment two is provided is operated in traction state
Figure；
Fig. 5 is the signal of energy Flow when the rail vehicle that this utility model embodiment two is provided is operated in on-position
Figure；
Fig. 6 is the structural representation of the rail vehicle that this utility model embodiment three is provided.
Description of reference numerals：
0：Power supply；
1：Traction invertor；
11：The input of traction invertor；
12：The outfan of traction invertor；
2：Wheel hub motor；
21：The stator of wheel hub motor；
22：The rotor of wheel hub motor；
3：Axletree：
4：Wheel；
5：Super capacitor；
6：Charging pile；
7：Booster circuit.
Specific embodiment
It is new below in conjunction with this practicality to make purpose, technical scheme and the advantage of this utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in this utility model embodiment
The embodiment stated is a part of embodiment of this utility model, rather than the embodiment of whole.Based on the enforcement in this utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of this utility model protection.
This utility model provides a kind of rail vehicle, to realize the lightweight of rail vehicle, improves the carrying of rail vehicle
Ability.Additionally, the rail vehicle that this utility model is provided, can be applicable to field of urban traffic.
Below the technical solution of the utility model is described in detail with specific embodiment.These embodiments below
Can be combined with each other, for same or analogous concept or process may be repeated no more in some embodiments.
Fig. 1 is the structural representation of the rail vehicle that this utility model embodiment one is provided；Fig. 2 is provided for this utility model
Rail vehicle in wheel hub motor with wheel to coordinate structural representation.Referring to Fig. 1 and Fig. 2, what the present embodiment was provided
Rail vehicle, including：Traction invertor 1 and wheel hub motor 2, the input 11 of traction invertor 1 is connected with power supply 0, leads
The outfan 12 for drawing inverter 1 is connected with wheel hub motor 2, and the stator 21 of wheel hub motor 2 is set on the axletree 3 of rail vehicle,
The rotor 22 of wheel hub motor 2 is fixed on the wheel 4 of above-mentioned rail vehicle；
Traction invertor 1, is driving current for the current inversion that exports power supply 0, and by above-mentioned driving current
Export to wheel hub motor 2；
Wheel hub motor 2, for driving above-mentioned rail vehicle operation according to above-mentioned driving current.
Specifically, the outfan 12 of traction invertor 1 is connected with the current input terminal of wheel hub motor 2, so, by traction
Inverter 1 provides alternating current to the stator 21 of wheel hub motor 2.
Fig. 2 is refer to, wheel hub motor 2 is shaftless wheel hub motor, and the wheel hub motor 2 includes stator 21 and rotor 22, and turns
Son 22 encloses and is located at the outside of stator 21, and specifically, the concrete structure and operation principle of wheel hub motor 2 may refer to of the prior art
Description, here is omitted.
Fig. 2 is continued referring to, the stator 21 of wheel hub motor 2 can be fixed on axletree 3 by the bearing being set on axletree 3
On, the rotor 22 of wheel hub motor 2 can be fixed on wheel 4 by way of welding.When the stator 21 logical upper three to wheel hub motor 2
Cross streams electricity when, the rotor 22 of wheel hub motor 2 is rotated in the presence of three-phase alternating current, due to wheel hub motor 2 rotor 22 and
The wheel 4 of rail vehicle links together, and so, the wheel 4 of rail vehicle is by the induced effect of the rotor 22 of wheel hub motor 2
Lower rotation, and then whole wheel is driven to rotating.It should be noted that in the present embodiment, wheel hub motor 2 may be mounted at wheel 4
Inner side.
The rail vehicle that the present embodiment is provided, original driving means are replaced using wheel hub motor, can be avoided using connection
The structures such as joint, gear-box, so, can reduce the structure composition of rail vehicle, reduce the weight of rail vehicle, realize railcar
Lightweight, and then improve rail vehicle passenger carrying capacity.
The rail vehicle that the present embodiment is provided, by arranging traction invertor and wheel hub motor, above-mentioned traction invertor
Input is connected with power supply, and the outfan of above-mentioned traction invertor is connected with above-mentioned wheel hub motor, above-mentioned wheel hub motor
Stator is set on the axletree of above-mentioned rail vehicle, and the rotor of above-mentioned wheel hub motor is fixed on the wheel of above-mentioned rail vehicle,
Above-mentioned traction invertor, is driving current for the current inversion that exports above-mentioned power supply, and above-mentioned driving current is defeated
Go out to above-mentioned wheel hub motor, above-mentioned wheel hub motor, for driving the rail vehicle operation according to above-mentioned driving current.So,
Replace original driving means using wheel hub motor, the structure composition of rail vehicle can be reduced, realize the light weight of rail vehicle
Change, improve the passenger carrying capacity of rail vehicle.
Further, above-mentioned power supply 0 is overhead contact line pantograph.
Alternatively, when power supply 0 is overhead contact line pantograph, traction invertor 1 includes rectification circuit and inversion
Circuit, wherein, rectification circuit, for the alternating current that above-mentioned overhead contact line pantograph is exported to be changed into into unidirectional current, and will be upper
State and export after unidirectional current is processed after filtering to above-mentioned inverter circuit；
Above-mentioned inverter circuit, for being driving current by above-mentioned DC inverter, and above-mentioned driving current is exported to upper
State wheel hub motor 2.
It should be noted that the particular circuit configurations of rectification circuit and inverter circuit can set according to actual needs, and
The particular circuit configurations of rectification circuit and inverter circuit may refer to description of the prior art, not repeat herein.
Fig. 3 is the structural representation of the rail vehicle that this utility model embodiment two is provided.On the basis of above-described embodiment
On, when charging pile of the power supply for station, the rail vehicle that the present embodiment is provided also includes：Super capacitor 5, super capacitor
5 are connected with the input 11 of traction invertor 1, and super capacitor 5 is connected in track vehicle pull-in with charging pile 6；
Super capacitor 5, for when above-mentioned rail vehicle is operated in traction state, by traction invertor 1 to wheel hub electricity
Machine 2 is powered, and when above-mentioned rail vehicle is operated in on-position, the power storage that wheel hub motor 2 feeds back is got off；
Charging pile 6, for charging to super capacitor 5 when being connected with super capacitor 5.
Specifically, charging pile 6 is to arrange power supply unit internal AT STATION, its can when track vehicle pull-in,
Power to the super capacitor 6 on rail vehicle, with after rail vehicle is outbound, by the discharge process of super capacitor 6 to wheel hub
Motor 2 is powered.
Specifically, super capacitor 5 includes multiple super capacitors, and above-mentioned multiple super capacitors can be in parallel or series.This
Outward, super capacitor 5 can be arranged on top or the vehicle bottom in the compartment of rail vehicle.
Additionally, in the present embodiment, traction invertor 1 includes inverter circuit, above-mentioned inverter circuit is used for super capacitor 5 is defeated
The current inversion for going out is driving current, and above-mentioned driving current is exported to wheel hub motor 2.
Fig. 4 is the signal of energy Flow when the rail vehicle that this utility model embodiment two is provided is operated in traction state
Figure；Fig. 5 is the schematic diagram of energy Flow when the rail vehicle that this utility model embodiment two is provided is operated in on-position.Please tie
Fig. 3 to Fig. 5 is closed, power supply process and power supply the principle of the super capacitor to wheel hub motor is following is a brief introduction of.Specifically, please join
According to Fig. 4, when rail vehicle is operated in traction state, now, super capacitor 5 is operated in discharge condition, and super capacitor 5 is by leading
Draw inverter 1 to power to wheel hub motor 2, so that wheel hub motor 2 is operated in electric motor state, and then make the driven wheel of wheel hub motor 2
To rotating, the traction of rail vehicle is realized, at this moment, energy flow to wheel hub motor 2 by super capacitor 5；Further, track is worked as
In on-position, now, wheel hub motor 2 is operated in Generator Status to vehicle operation, and wheel hub motor 2 to super capacitor 5 feeds back
Electric energy, super capacitor 5 is operated in charged state, and at this moment, energy flow to super capacitor 5 by wheel hub motor 2.
The rail vehicle that the present embodiment is provided, by the charging pile being set to power supply in station, and arranges super
Electric capacity, so, when rail vehicle is operated in traction state, can be powered by the discharge process of super capacitor to wheel hub motor,
And when rail vehicle is operated in on-position, super capacitor can all store the energy that wheel hub motor feeds back again,
So, not only can avoid arranging built on stilts net or the 3rd rail on the working line of rail vehicle, additionally it is possible to realize energy again
Utilize, realize energy conservation.
The rail vehicle that the present embodiment is provided, by the charging pile being set to power supply in station, and in railcar
Super capacitor is set on, and above-mentioned super capacitor is connected with the input of above-mentioned traction invertor, and above-mentioned super capacitor is upper
State and be connected with above-mentioned charging pile when rail vehicle enters the station, above-mentioned super capacitor, for being operated in traction shape in above-mentioned rail vehicle
During state, powered to above-mentioned wheel hub motor by above-mentioned traction invertor, and when above-mentioned rail vehicle is operated in on-position, will
The power storage of above-mentioned wheel hub motor feedback is got off, above-mentioned charging pile, for surpassing to above-mentioned when being connected with above-mentioned super capacitor
Level electric capacity charges.So, powered to rail vehicle by super capacitor, can not only be avoided on the working line of rail vehicle
Built on stilts net or the 3rd rail are set, are economized on resources, additionally it is possible to when track vehicle operation is in on-position, wheel hub motor is fed back
Energy is used to be charged for super capacitor, and the recycling of energy is realized to greatest extent, realizes energy conservation.
Fig. 6 is the schematic diagram of the rail vehicle that this utility model embodiment three is provided, on the basis of above-described embodiment, this
The rail vehicle that embodiment is provided, also including booster circuit 7, booster circuit 7 be arranged on super capacitor 5 and traction invertor 1 it
Between.
Specifically, the particular circuit configurations of booster circuit 7 can set according to actual needs, and the concrete knot of booster circuit
Structure may refer to description of the prior art, and here is omitted.
In the present embodiment, by arranging booster circuit, but the magnitude of voltage of the electric current of super capacitor output is raised, and is made super
The electric current of electric capacity output meets the needs of practical application.
Further, super capacitor 5 is also connected with the auxiliary bus bar of above-mentioned rail vehicle, and super capacitor 5 is additionally operable to upper
The auxiliary equipment for stating rail vehicle is powered.
The rail vehicle that the present embodiment is provided, by the way that super capacitor is connected with the auxiliary bus bar of rail vehicle, so, also
Auxiliary equipment that can be by super capacitor to rail vehicle is powered.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than it is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It still can modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent；And these are changed or are replaced, the essence for not making appropriate technical solution departs from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (7)
1. a kind of rail vehicle, it is characterised in that include：Traction invertor and wheel hub motor, the input of the traction invertor
End is connected with power supply, and the outfan of the traction invertor is connected with the wheel hub motor, the stator of the wheel hub motor
It is set on the axletree of the rail vehicle, the rotor of the wheel hub motor is fixed on the wheel of the rail vehicle；
The traction invertor, the current inversion for the power supply to be exported is driving current, and drives electricity by described
Stream output is to the wheel hub motor；
The wheel hub motor, for driving the rail vehicle operation according to the driving current.
2. rail vehicle according to claim 1, it is characterised in that the power supply is the charging pile in station, institute
Stating rail vehicle also includes：Super capacitor, the super capacitor is connected with the input of the traction invertor, and described super
Electric capacity is connected when the rail vehicle enters the station with the charging pile；
The super capacitor, for when the rail vehicle is operated in traction state, by the traction invertor to described
Wheel hub motor is powered, and when the rail vehicle is operated in on-position, under the power storage that the wheel hub motor is fed back
Come；
The charging pile, for charging to the super capacitor when being connected with the super capacitor.
3. rail vehicle according to claim 2, it is characterised in that the super capacitor is arranged on the rail vehicle
Car body top or car bottom.
4. the rail vehicle according to Claims 2 or 3, it is characterised in that the rail vehicle also includes booster circuit, institute
State booster circuit to be arranged between the super capacitor and the traction invertor.
5. rail vehicle according to claim 1, it is characterised in that the power supply is overhead contact line pantograph.
6. rail vehicle according to claim 5, it is characterised in that the traction invertor includes rectification circuit and inversion
Circuit；
The rectification circuit, for the alternating current that the overhead contact line pantograph is exported to be changed into into unidirectional current, and will be described
Unidirectional current is exported to the inverter circuit after processing after filtering；
The inverter circuit, for being driving current by the DC inverter, and the driving current is exported to the wheel
Hub motor.
7. rail vehicle according to claim 2, it is characterised in that the super capacitor is also auxiliary with the rail vehicle
Bus is helped to be connected, the super capacitor is additionally operable to be powered to the auxiliary equipment of the rail vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232775.2U CN206155443U (en) | 2016-11-17 | 2016-11-17 | Rail car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232775.2U CN206155443U (en) | 2016-11-17 | 2016-11-17 | Rail car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206155443U true CN206155443U (en) | 2017-05-10 |
Family
ID=58660194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621232775.2U Active CN206155443U (en) | 2016-11-17 | 2016-11-17 | Rail car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206155443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001671A (en) * | 2019-04-22 | 2019-07-12 | 孔维平 | A kind of mine underground new energy environment-friendly type locomotive and its application method |
-
2016
- 2016-11-17 CN CN201621232775.2U patent/CN206155443U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001671A (en) * | 2019-04-22 | 2019-07-12 | 孔维平 | A kind of mine underground new energy environment-friendly type locomotive and its application method |
| CN110001671B (en) * | 2019-04-22 | 2020-04-28 | 孔维平 | Mining underground new energy environment-friendly locomotive and use method thereof |
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