CN103879295B - Vehicle electric supply installation - Google Patents
Vehicle electric supply installation Download PDFInfo
- Publication number
- CN103879295B CN103879295B CN201210559323.5A CN201210559323A CN103879295B CN 103879295 B CN103879295 B CN 103879295B CN 201210559323 A CN201210559323 A CN 201210559323A CN 103879295 B CN103879295 B CN 103879295B
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- Prior art keywords
- energy
- storage units
- traction invertor
- supply installation
- vehicle
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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 present invention provides a kind of vehicle electric supply installation, and this vehicle electric supply installation includes control unit, energy-storage units, traction invertor；Described control unit electrically connects with described energy-storage units, and described energy-storage units electrically connects with described traction invertor, and described control unit absorbs, according to energy-storage units described in the working state control of described traction invertor, the electric energy that described traction invertor is fed back.The vehicle electric supply installation that the present invention provides, by passing through the control unit duty according to traction invertor when car braking, control energy-storage units and absorb the electric energy of traction invertor feedback, realize the recovery of energy, and then the electric energy of above-mentioned recovery is the most effectively utilized, and the vehicle electric supply installation that the present invention provides, due to simple in construction, the most easy to maintenance.
Description
Technical field
The present invention relates to electrical technology, particularly relate to a kind of vehicle electric supply installation.
Background technology
Most of City Rail Transit System is all used to deliver the passenger travelled frequently in city, and a lot
Under occasion, City Rail Transit System all can be treated as the backbone of urban transportation.Generally, urban track traffic
System is that many cities are in order to the method solving traffic blocking problem.
Vehicle when braking, traction invertor can feedback energy, cause the net pressure of electrical network to raise, in order to flat
The net pressure of weighing apparatus electrical network, can connect resistance in traction invertor rear end, in order to consume the electric energy of inverter fed,
Thus ensure the net pressure balanced of electrical network.When additionally Current vehicle crosses non-Electric region, Current vehicle can be made there is no electricity
The power supply of net, causes the electric workable all facilities (electric light and air-conditioning etc.) of needs to be in off position.
When non-Electric region crossed by motor-car, generally using accumulator is that traction invertor realization traction in short-term of powering makes car
Pass through non-Electric region；When non-Electric region crossed by trailer, the bus utilizing through full car will be in non-Electric region
The electric energy of vehicle is sent to be in the vehicle of non-Electric region, thus realizes being on the vehicle of non-Electric region auxiliary electricity
Source apparatus (electric light and air-conditioning etc.) normally works.Concrete main circuit structure is as it is shown in figure 1, Fig. 1 is
The electrical block diagram of vehicle electric supply installation in prior art.
But, utilize the mode of resistance consumption energy, cause the energy not to be fully utilized；It addition, bus
Through full car, adds bus distribution and control equipment, too increases the trouble point of vehicle equally, cause
Increasing the maintenance cost of vehicle, utilize accumulator to power for traction invertor, the liquid of accumulator is once
Reveal, it will cause environmental pollution, and the service life of accumulator is limited, it is therefore desirable to change electric power storage
Pond, adds the workload of attendant.
Summary of the invention
The present invention provides a kind of vehicle electric supply installation, in order to solve in prior art energy waste and to safeguard people
The problem that member's workload is big.
The present invention provides a kind of vehicle electric supply installation, including control unit, energy-storage units, traction invertor；
Described control unit electrically connects with described energy-storage units, described energy-storage units and described traction invertor
Electrical connection, described control unit is inhaled according to energy-storage units described in the working state control of described traction invertor
Receive the electric energy that described traction invertor is fed back.
Vehicle electric supply installation as above, it is preferable that also include auxiliary power unit, described auxiliary electricity
Source apparatus electrically connects with described energy-storage units, and whether described control unit exists according to described auxiliary power unit
It is that described auxiliary power unit is powered that non-Electric region controls described energy-storage units.
Further, described control unit controls described storage according to the electrical energy demands of described traction invertor
Electric energy can be provided by unit for traction invertor.
Preferably, described energy-storage units is super capacitor.
The vehicle electric supply installation that the present invention provides, by passing through control unit according to traction when car braking
The duty of inverter, controls energy-storage units and absorbs the electric energy of traction invertor feedback, it is achieved energy
Reclaim, and then the electric energy of above-mentioned recovery is the most effectively utilized, and the vehicle that the present invention provides is powered
Device, due to simple in construction, the most easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of vehicle electric supply installation in prior art；
Fig. 2 is the structural representation of vehicle electric supply installation embodiment of the present invention；
Fig. 3 is the main circuit structure schematic diagram of present invention vehicle electric supply installation in actual applications.
Detailed description of the invention
Fig. 2 is the structural representation of vehicle electric supply installation embodiment of the present invention.As in figure 2 it is shown, this enforcement
The vehicle electric supply installation that example provides includes: control unit 11, energy-storage units 12 and traction invertor 13,
Wherein, control unit 11 electrically connects with energy-storage units 12, energy-storage units 12 and traction invertor 13 electricity
Connecting, specifically, energy-storage units 12 is connected serially to the direct-flow input end of traction invertor 13, control unit
11 absorb traction invertor 13 institute instead according to the working state control energy-storage units 12 of traction invertor 13
The electric energy of feedback.
In actual applications, the operating mode of subway is for starting frequently and brake, when each railcar starting
Traction invertor is required for absorbing a large amount of electric energy, thus causes MTR network pressure drop low, and when car braking,
Huge energy can be produced again, net is pressed lifting, but the net voltage fluctuation scope of subway is conditional, super
Cross this scope and will cause electric network protection action, in vehicle normal course of operation, traction invertor 13
Being unidirectional current by pantograph by the alternating current inversion on electrical network, the traction electric machine for vehicle is powered, at car
Braking time, due to the inertia of vehicle, the rotor of traction electric machine still rotate, vehicle moves forward,
Therefore, after braking, the AC rectification that traction electric machine is produced by traction invertor 13 is unidirectional current, works as control
After unit 11 detects that the duty of traction invertor 13 is in rectification state, i.e. vehicle is in braking
During state, control energy-storage units 12 and absorb the energy that traction invertor 13 is fed back.Further, since car
Braking action be to be sent by the staff of driver's control room, therefore braking time, staff
Can be with Non-follow control control unit 11 so that the unidirectional current after traction invertor rectification is energy-storage units 12
Charging.
The vehicle electric supply installation that the present embodiment provides, by passing through control unit according to leading when car braking
Draw the duty of inverter, control energy-storage units and absorb the electric energy of traction invertor feedback, it is achieved energy
Recovery, and then the electric energy of above-mentioned recovery is the most effectively utilized, and the vehicle that the present embodiment provides
Electric supply installation, due to simple in construction, the most easy to maintenance.
Fig. 3 is the main circuit structure schematic diagram of present invention vehicle electric supply installation in actual applications, preferably
Ground, the vehicle electric supply installation that the present embodiment provides also includes auxiliary power unit 14, at above-described embodiment
On the basis of, below in conjunction with Fig. 3, above-mentioned vehicle electric supply installation is further described, specifically,
Including illustrating as a example by two joint motor-cars and two joint trailers by vehicle, two above-mentioned joint motor-cars refer to be provided with
Control unit 11, energy-storage units 12 and traction invertor 13, and be connected with electrical network by pantograph
Vehicle；And above-mentioned two joint trailers refer to be provided with the vehicle of auxiliary power unit 14, wherein accessory power supply dress
Put 14 to connect with energy-storage units 12.
Specifically, vehicle is in running, when driver's joystick puts retarder location, represents vehicle system
Dynamic, at this moment traction invertor 13 is by feedback energy to electrical network and energy-storage units 12, and traction invertor 13 will
The electric energy that regenerative braking produces charges to energy-storage units 12, further, after trailer enters non-Electric region,
Control energy-storage units 12 is released energy by control unit 11, powers for auxiliary power unit 14, Jin Ershi
The equipment (luminaire and air-conditioning etc.) now powered by auxiliary power unit is in the normal work of non-Electric region.
Wherein can by diode (not shown) even between auxiliary power unit 14 and energy-storage units 12
Connect, the one-way conduction characteristic of diode, it is ensured that when energy-storage units 12 discharges, be only auxiliary power unit
14 provide electric energy, prevent the electric energy of energy-storage units 12 from being absorbed by traction invertor 13.
When vehicle launch, traction invertor 13 needs to consume a large amount of electric energy, and energy-storage units 12 absorbs car
The electric energy produced during regenerative braking, it is also possible to carry out High power Traction at rail vehicle or enter non-Electric region
Time provide electric energy for traction invertor 13, at this moment control unit 11 is according to the electric energy need of traction invertor 13
Asking, controlling energy-storage units 12 provides electric energy for traction invertor 13, it is achieved vehicle launch.It addition, by
It is to complete starting operation by the staff of driver's control room in vehicle launch, therefore staff
Non-follow control control unit 11 can be utilized, and then control energy-storage units 12 for traction invertor offer electricity
Can, it is achieved the quick startup of vehicle.Energy-storage units 12 in the present invention can also enter non-Electric region at vehicle
Electric energy is provided afterwards so that vehicle passes through non-Electric region for traction invertor.
Preferably, in above-described embodiment that the present invention provides, energy-storage units 12 can also is that super capacitor.
Owing to super capacitor charge/discharge rates is fast, therefore can quickly inhale when traction invertor feedback power
Receive electric energy, it is achieved the quick recovery of energy, decrease the impact to electrical network, and at traction invertor 13
When needing a large amount of electric energy, super capacitor can quickly discharge electric energy so that vehicle can add at short notice
Speed.It addition, the service life of super capacitor is long, can be with discharge and recharge number of times up to hundreds of thousands, Ke Yiyou
Imitate cost-effective, and super capacitor is owing to using solid-state structure, will not be to environment.
The vehicle electric supply installation that the present invention provides, may be used for non-Electric region shorter, it is also possible to for non-Electric region
When longer, the present invention is preferably, relatively long for non-Electric region, is at whole railway car
During non-Electric region, utilize the vehicle electric supply installation that the present invention provides, it is possible to use braking procedure utilizes energy storage
The electric energy that unit absorbs, effectively realizes traction invertor and the power supply of auxiliary power unit.The present invention carries
The vehicle electric supply installation of confession has not only carried out effective utilization to energy, and solves and be in non-Electric region traction
Inverter and the powerup issue of auxiliary power unit.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (3)
1. a vehicle electric supply installation, it is characterised in that include that control unit, energy-storage units, traction are inverse
Become device；
Described control unit electrically connects with described energy-storage units, described energy-storage units and described traction invertor
Electrical connection, described control unit is inhaled according to energy-storage units described in the working state control of described traction invertor
Receive the electric energy that described traction invertor is fed back；
Described vehicle electric supply installation also includes auxiliary power unit, described auxiliary power unit and described energy storage
Unit electrically connects, and whether described control unit controls described storage according to described auxiliary power unit in non-Electric region
Can unit be that described auxiliary power unit is powered；
It is connected by diode between described auxiliary power unit with described energy-storage units.
Vehicle electric supply installation the most according to claim 1, it is characterised in that described control unit root
Control described energy-storage units according to the electrical energy demands of described traction invertor and provide electric energy for traction invertor.
3. according to the vehicle electric supply installation described in any one of claim 1 to 2, it is characterised in that described
Energy-storage units is super capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559323.5A CN103879295B (en) | 2012-12-20 | 2012-12-20 | Vehicle electric supply installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210559323.5A CN103879295B (en) | 2012-12-20 | 2012-12-20 | Vehicle electric supply installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103879295A CN103879295A (en) | 2014-06-25 |
| CN103879295B true CN103879295B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210559323.5A Active CN103879295B (en) | 2012-12-20 | 2012-12-20 | Vehicle electric supply installation |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515463B (en) * | 2016-11-11 | 2019-06-07 | 中车株洲电力机车有限公司 | A kind of vehicle, vehicle-mounted energy storage device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4005627B1 (en) * | 2006-08-10 | 2007-11-07 | 三菱電機株式会社 | Electric vehicle control device |
| CN201484208U (en) * | 2009-08-24 | 2010-05-26 | 青岛易特优电子有限公司 | Railway track regenerated braking energy storage device |
| CN102303536A (en) * | 2011-04-28 | 2012-01-04 | 同济大学 | Emergency traction system applied to urban mass transit |
| EP2450222A2 (en) * | 2010-11-05 | 2012-05-09 | General Electric Company | Apparatus for transferring energy using onboard power electronics with high-frequency transformer isolation and method of manufacturing same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4643355B2 (en) * | 2005-05-09 | 2011-03-02 | 株式会社東芝 | Electric vehicle control device |
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2012
- 2012-12-20 CN CN201210559323.5A patent/CN103879295B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4005627B1 (en) * | 2006-08-10 | 2007-11-07 | 三菱電機株式会社 | Electric vehicle control device |
| CN201484208U (en) * | 2009-08-24 | 2010-05-26 | 青岛易特优电子有限公司 | Railway track regenerated braking energy storage device |
| EP2450222A2 (en) * | 2010-11-05 | 2012-05-09 | General Electric Company | Apparatus for transferring energy using onboard power electronics with high-frequency transformer isolation and method of manufacturing same |
| CN102303536A (en) * | 2011-04-28 | 2012-01-04 | 同济大学 | Emergency traction system applied to urban mass transit |
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| Publication number | Publication date |
|---|---|
| CN103879295A (en) | 2014-06-25 |
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