CN108407824A - Multiple wing type reclosing type Electromagnetic Propulsion and application method for train driving - Google Patents
Multiple wing type reclosing type Electromagnetic Propulsion and application method for train driving Download PDFInfo
- Publication number
- CN108407824A CN108407824A CN201810385415.3A CN201810385415A CN108407824A CN 108407824 A CN108407824 A CN 108407824A CN 201810385415 A CN201810385415 A CN 201810385415A CN 108407824 A CN108407824 A CN 108407824A
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- Prior art keywords
- train
- coil
- driving
- flank
- power supply
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/12—Systems with propulsion devices between or alongside the rails, e.g. pneumatic systems
Abstract
The invention discloses the multiple wing type reclosing type Electromagnetic Propulsions and application method that are driven for train, include the flank of multiple settings aboard, and flank is prepared for non-magnetic good conductor；Further include being arranged along train, multigroup box driving coil group with flank cooperation；Box driving coil group includes the identical coil of relative arrangement thereof and lower coil, and flank can pass through between coil and lower coil；Box driving coil group connection power supply and conversion equipment generate magnetic field；The present invention only needs to start in train or parking position uses contact net for electric drive, greatly reduces contact net and related ancillary equipment part.
Description
Technical field
The present invention relates to electromagnetic propulsion technical fields, and in particular to a kind of multiple wing type reclosing type electromagnetism for train driving
Propulsion device and application method.
Background technology
It is well known that China possesses the maximum rail transportation system in the whole world, train transport has become a kind of important
The popular vehicles；In occupation of backbone status in overall transportation system；Train experienced in the development of history from
The differentiation of steam locomotive (using coal as power), diesel locomotive (using diesel oil as power), electric locomotive (electricity is power)；It is main at present
The locomotive type wanted is electrified car, and electric locomotive contact net has the problems such as existing cost of power supply, maintenance cost is high.
Electromagnetic propulsion technology has obtained the development of high speed in nearest decades, especially in military field, in order to improve hair
The ability of object is penetrated, obtains initial velocity more higher than conventional artillery to destroy the armoring weapon as this target type of tank；Electricity
Magnetic Push Technology is militarily referred to as magnetic artillery；Electromagnetic Propulsion is a kind of electric actuator, is turned using electromagnetic energy
It turns to kinetic energy and then emitter is pushed to advance；But in other field, there are no relevant applications.
Invention content
The present invention, which provides one kind, can reduce contact net, reduce the multiple wing type weight for train driving of cost and maintenance cost
Direct type Electromagnetic Propulsion and application method.
The technical solution adopted by the present invention is：A kind of multiple wing type reclosing type Electromagnetic Propulsion for train driving, packet
The flank of multiple settings aboard is included, flank is prepared for non-magnetic good conductor；Further include being arranged along train, matches with flank
The multigroup box driving coil group closed；Box driving coil group includes the identical coil of relative arrangement thereof and lower coil, side
The wing can pass through between coil and lower coil；Box driving coil group connection power supply and conversion equipment generate magnetic field.
Further, the power supply and conversion equipment include the pulse power, storage capacitor C1 and sustained diode 1；It reaches the standard grade
The anode of the circle connection pulse power, lower coil connect the cathode of the pulse power；Energy storage is also associated between coil and lower coil
Capacitance C1；Coil connects the cathode of sustained diode 1, and lower coil connects the anode of sustained diode 1；Pulse power anode
Charge switch K1 is connected between storage capacitor C1；Electric discharge is connected between 1 cathode of storage capacitor C1 and sustained diode to open
Close K2.
Further, the box driving coil group includes the identical driving line for being symmetricly set on track for a train both sides of structure
Circle group；Driving coil group includes the identical coil of relative arrangement thereof and lower coil.
Further, the box driving coil is made of copper conductor.
Further, further include accessory power supply and energy storage device, accessory power supply and energy storage device are become by power electronics
Changing device connects contact net.
A kind of application method of multiple wing type reclosing type Electromagnetic Propulsion for train driving, includes the following steps：
Step 1：Electricity is taken from contact net by pantograph when train starts, start train and is charged to accessory power supply；
Step 2：Charge switch K1 is closed to charge to storage capacitor C1；
Step 3：Charge switch K1 is disconnected after charging complete, is closed discharge switch K2 and box driving coil group is put
Electricity, box driving coil generate magnetic field；
Step 4：For flank across coil and lower coil, vortex of inducting under magnetic fields generates electromagnetic force, is used for
Train is driven to move ahead；
Step 5：Train is switched to the parking that contact net power supply carries out train when stopping.
The beneficial effects of the invention are as follows：
(1) present invention only needs in train startup or position of stopping to greatly reduce contact for electric drive using contact net
Net and related ancillary equipment part；
(2) this invention simplifies the condition of train running, cost is reduced.
Description of the drawings
Fig. 1 is structure of the invention side view.
Fig. 2 is structure of the invention front view.
Fig. 3 is power supply of the present invention and conversion device structure schematic diagram.
Fig. 4 is flow diagram of the present invention.
In figure：1- coils, 2- lower coils, 3- flanks.
Specific implementation mode
The present invention will be further described in the following with reference to the drawings and specific embodiments.
As shown in Figs. 1-3, a kind of multiple wing type reclosing type Electromagnetic Propulsion for train driving, including multiple settings exist
Flank 3 on train, flank 3 are prepared for non-magnetic good conductor；Further include being arranged along train, coordinates with flank 3 multigroup
Box driving coil group；Box driving coil group includes the identical coil 1 of relative arrangement thereof and lower coil 2, and flank 3 can be from
It is passed through between coil 1 and lower coil 2；Box driving coil group connection power supply and conversion equipment generate magnetic field.
Further, which is characterized in that the power supply and conversion equipment include the pulse power, storage capacitor C1 and afterflow two
Pole pipe D1；Coil 1 connects the anode of the pulse power, and lower coil 2 connects the cathode of the pulse power；Coil 1 and lower coil 2 it
Between be also associated with storage capacitor C1；Coil 1 connects the cathode of sustained diode 1, and lower coil 2 connects sustained diode 1
Anode；It is connected with charge switch K1 between pulse power anode and storage capacitor C1；Storage capacitor C1 and sustained diode 1 are negative
Discharge switch K2 is connected between pole；It is closed charge switch K1 first to charge to storage capacitor C1 by the pulse power, fills
The electric time is 0.1s, and discharge switch K2 is in the open state at this time；Charge switch K1 is disconnected after storage capacitor C1 chargings, is closed simultaneously
It closes discharge switch K2 and improves excitation to driving coil, the electric discharge time started is than charging time delay i0.04s；Train is in driving line
Vortex of inducting under the action of circle magnetic field generates electromagnetic force with magnetic field interaction and train is pushed to travel forward；Due to 1 He of coil
The resultant radial force that lower coil 2 symmetrically generates is smaller, and axis accelerates example big, and train may be implemented and stablize height in magnetic field
Speed travels forward.
Further, the box driving coil group includes the identical driving line for being symmetricly set on track for a train both sides of structure
Circle group；Driving coil group includes the identical coil 1 of relative arrangement thereof and lower coil 2；The both sides setting one of corresponding train
To flank 3.
Further, the box driving coil is made of copper conductor.
Further, further include accessory power supply and energy storage device, accessory power supply and energy storage device are become by power electronics
Changing device connects contact net.
In use, a kind of application method of multiple wing type reclosing type Electromagnetic Propulsion for train driving, such as Fig. 4 institutes
Show, includes the following steps：
Step 1：Electricity is taken from contact net by pantograph when train starts, start train and is charged to accessory power supply；By electricity
Bow is usually in collapsed state mounted on the inside of car body top, and when train starts, pantograph, which rises from contact net, takes electricity to be used for
Train starts motor operation and accessory power supply charging；When train is driven out to contact mesh portions, the drive of multiple wing type reclosing type electromagnetism is converted to
Dynamic model formula；
Step 2：Charge switch K1 is closed to charge to storage capacitor C1；
Step 3：Charge switch K1 is disconnected after charging complete, is closed discharge switch K2 and box driving coil group is put
Electricity, box driving coil generate magnetic field；Driving coil passes through sustained diode 1 to discharge switch K2 closures at this time after charging
Into freewheeling state；
Step 4：For flank 3 across coil 1 and lower coil 2, vortex of inducting under magnetic fields generates electromagnetic force, uses
It moves ahead in driving train；Often once accelerated by a group chamber type driving coil group train；Driver can pass through velocity sensor
Measurement obtains the speed of train, and the power supply and conversion equipment powered to driving coil according to the variation of speed control；To
Ensure the even running of train by the break-make to driving coil power switch
Step 5：Train is switched to the parking that contact net power supply carries out train when stopping.
Train, which starts, needs prodigious power by contact net for electrically activating, contact mesh portions be very short one section away from
From；It, can be by the variation of train speed per hour to the tune of driving coil power switch machine voltage swing when train is driven out to contact mesh portions
Control adjusts speed, and train, which is powered after arriving at a station by contact net, makes train storage to locomotive depot.
With reference to specific embodiment, the present invention will be described.
It is 1.5 × 1.2=1.8m to take coil 1 and 2 cross-sectional area of lower coil2, 3 cross-sectional area of train flank is 1.8
× 1.3=2.34m2；The driving voltage U of the pulse power is up to 20kV, can be obtained from power grid；The capacitance of storage capacitor C1
For 0.004F；It is allowed to propulsive efficiency by being optimized to the relevant parameter for influencing propulsive efficiency and muzzle velocity and reaches 20%.
By taking Harmony CRH type EMU as an example, parameter is as shown in table 1：
Table 1CRH type EMU parameters
By taking the stretch journey of 250km as an example, train, which is at full throttle run, only needs a hour to arrive at the destination；Train opens
Dynamic speed when leaving contact net is up to 150km/h, and to allow train to be run with F-Zero 250km/h, driver can pass through speed
Sensor measures speed, it is determined whether needs to start the charge switch K1 of driving coil；By the way that rational charging voltage is arranged, make
Train reaches speed per hour 250km/h operations by acceleration；When train reaches requirement speed per hour, the charge switch of driving coil is closed
K1；The charge status for adjusting driving coil can be realized according to train operational conditions, adjust the operation of train.
Coil 1 and lower coil 2 can be passed through by multigroup pulse power and storage capacitor C1 to charge switch K1 in the present invention
Control charge and discharge, to carry out excitation generate transient magnetic field, two flanks 3 induct in changing magnetic field vortex with
Magnetic field interaction generates electromagnetic force and train is pushed to advance；Present invention substantially reduces contact net and related ancillary equipment part,
The condition for simplifying train running, reduces cost, is a kind of electromagnet propulsion pattern for train.
Claims (6)
1. a kind of multiple wing type reclosing type Electromagnetic Propulsion for train driving, which is characterized in that be arranged in fire including multiple
Flank (3) on vehicle, flank (3) are prepared for non-magnetic good conductor；Further include being arranged along train, with flank (3) cooperation
Multigroup box driving coil group；Box driving coil group includes the identical coil of relative arrangement thereof (1) and lower coil (2),
Flank (3) can pass through between coil (1) and lower coil (2)；Box driving coil group connection power supply and conversion equipment generate
Magnetic field.
2. a kind of multiple wing type reclosing type Electromagnetic Propulsion for train driving according to claim 1, feature exist
In, which is characterized in that the power supply and conversion equipment include the pulse power, storage capacitor C1 and sustained diode 1；Coil
(1) anode of the pulse power is connected, lower coil (2) connects the cathode of the pulse power；Between coil (1) and lower coil (2) also
It is connected with storage capacitor C1；Coil (1) connects the cathode of sustained diode 1, and lower coil (2) connects sustained diode 1
Anode；It is connected with charge switch K1 between pulse power anode and storage capacitor C1；Storage capacitor C1 and sustained diode 1 are negative
Discharge switch K2 is connected between pole.
3. a kind of multiple wing type reclosing type Electromagnetic Propulsion for train driving according to claim 1, feature exist
In the box driving coil group includes the identical driving coil group for being symmetricly set on track for a train both sides of structure；Driving coil
Group includes the identical coil of relative arrangement thereof (1) and lower coil (2).
4. a kind of multiple wing type reclosing type Electromagnetic Propulsion for train driving according to claim 1, feature exist
In the box driving coil is made of copper conductor.
5. a kind of multiple wing type heavy type Electromagnetic Propulsion for train driving according to claim 2, which is characterized in that
Further include accessory power supply and energy storage device, accessory power supply connects contact net with energy storage device by Technics of Power Electronic Conversion device.
6. a kind of application method of multiple wing type reclosing type Electromagnetic Propulsion for train driving as claimed in claim 5,
It is characterized by comprising the following steps：
Step 1：Electricity is taken from contact net by pantograph when train starts, start train and is charged to accessory power supply；
Step 2：Charge switch K1 is closed to charge to storage capacitor C1；
Step 3：Charge switch K1 is disconnected after charging complete, is closed discharge switch K2 and is discharged box driving coil group, case
Formula driving coil generates magnetic field；
Step 4：For flank (3) across coil (1) and lower coil (2), vortex of inducting under magnetic fields generates electromagnetic force,
For driving train to move ahead；
Step 5：Train is switched to the parking that contact net power supply carries out train when stopping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385415.3A CN108407824B (en) | 2018-04-26 | 2018-04-26 | Multi-wing reconnection type electromagnetic propulsion device for train driving and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810385415.3A CN108407824B (en) | 2018-04-26 | 2018-04-26 | Multi-wing reconnection type electromagnetic propulsion device for train driving and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108407824A true CN108407824A (en) | 2018-08-17 |
| CN108407824B CN108407824B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810385415.3A Active CN108407824B (en) | 2018-04-26 | 2018-04-26 | Multi-wing reconnection type electromagnetic propulsion device for train driving and use method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348224A (en) * | 2020-04-16 | 2020-06-30 | 哈尔滨工业大学 | Micro-cathode arc propulsion system |
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| CN111348224A (en) * | 2020-04-16 | 2020-06-30 | 哈尔滨工业大学 | Micro-cathode arc propulsion system |
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| CN108407824B (en) | 2020-04-28 |
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