CN109733420A - A kind of train battery traction system, method and train - Google Patents
A kind of train battery traction system, method and train Download PDFInfo
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- CN109733420A CN109733420A CN201910008711.6A CN201910008711A CN109733420A CN 109733420 A CN109733420 A CN 109733420A CN 201910008711 A CN201910008711 A CN 201910008711A CN 109733420 A CN109733420 A CN 109733420A
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- pantograph
- battery
- traction
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
-
- 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
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of train battery traction system, the system comprises: controller, first switch, second switch, the first traction convertor and the first 110V battery；The first 110V battery connects direct current 110V bus by the first switch；The first 110V battery connects first traction convertor by the second switch；The controller when for determining the first pantograph rising bow of train, controls the first switch closure, and the second switch disconnects；When being also used to determine the first pantograph drop bow, controls the first switch and disconnect, the second switch closure.Using the present invention, hardware resource can be saved, reduction is taken up space, and cost is saved.The present invention also provides a kind of train battery traction method and trains.
Description
Technical field
The present invention relates to technical field of vehicle control more particularly to a kind of train battery traction systems, method and train.
Background technique
It in the prior art, include 110V battery and 220V battery on subway, respectively from direct current 110V bus and direct current
Electric energy is obtained on 220V bus.Wherein 110V battery is used for as the control loop power supply on subway, such as lighting system, control
System etc., 220V battery are used to provide power supply for traction electric machine.
But subway is in actual use, it is in this way each subway that the probability powered using battery traction is seldom
It is equipped with 220V battery, not only wastes hardware resource, but also waste power supply energy, and 220V accumulator quality is bigger, volume
It is larger, it is placed on subway and compares occupied space.
Therefore, subway in the prior art is equipped with the battery of two kinds of different sizes, more wasteful resource, cost compared with
It is high.
Summary of the invention
In order to solve the above technical problem existing in the prior art, the present invention provides a kind of train battery traction systems
System, method and train can save hardware resource, and reduction is taken up space, and save cost.
The present invention provides a kind of train battery traction system, the system comprises: controller, first switch, second
Switch, the first traction convertor and the first 110V battery；
The first 110V battery connects direct current 110V bus by the first switch；
The first 110V battery connects first traction convertor by the second switch；
The controller when for determining the first pantograph rising bow of train, controls first switch closure, and described the
Two switches disconnect；When being also used to determine the first pantograph drop bow, controls the first switch and disconnect, the second switch closes
It closes.
Optionally, the controller is also used to control the first traction convertor work when the second switch is closed
Make in inverter mode；
First traction convertor, the DC inverter for exporting the first 110V battery mention for alternating current
Supply the first traction electric machine.
Optionally, the system also includes: third switch, the 4th switch, the second traction convertor and the 2nd 110V electric power storages
Pond；
The 2nd 110V battery switchs connection direct current 110V bus by the third；
The 2nd 110V battery connects second traction convertor by the 4th switch；
The controller when for determining the second pantograph rising bow of train, controlling the third and closing the switch, and described
Four switches disconnect；When being also used to determine the second pantograph drop bow, controls the third switch and disconnect, the 4th switch closes
It closes；
First pantograph and the second pantograph are in only one of them rising bow of synchronization.
Optionally, the system also includes signal collecting devices；
The signal collecting device, for judge first pantograph and the second pantograph whether rising bow, by described
The rising bow result of one pantograph and the second pantograph is sent to the controller.
Optionally, the signal collecting device is used in the first pantograph rising bow, by first pantograph
ID and rising bow, which effectively identify, is sent to the controller；Be also used in the second pantograph rising bow, by described second by
The ID and rising bow of pantograph, which are effectively identified, is sent to the controller.
Optionally, described to be effectively identified as 1.
Optionally, the first switch, second switch, third switch and the 4th switch are breaker.
Optionally, the controller is the control computer of the train.
The embodiment of the present application also provides a kind of train battery traction method, the method is applied to the train and stores
Accumulator drive system, comprising the following steps:
When determining the first pantograph rising bow of train, the first switch closure is controlled, the second switch disconnects；It determines
When the first pantograph drop bow, controls the first switch and disconnect, the second switch closure.
The embodiment of the present application also provides a kind of train, the train includes the train battery traction system；
The train is system power supply using direct current 110V bus.
Compared with prior art, the present invention has at least the following advantages:
Train battery traction system provided by the invention connects direct current by first switch using the first 110V battery
110V bus；The first 110V battery connects first traction convertor by the second switch.When the of train
When one pantograph rising bow, controller controls the first switch closure, and the second switch disconnects, at this time the first 110V battery
In charged state, the first traction convertor does not work.When bow drops in the first pantograph of train, controller control described first
Switch disconnects, and the second switch closure, the first 110V battery and the first traction convertor are electrically connected at this time, the first traction
The DC inverter that first 110V battery exports is that alternating current is supplied to the first traction electric machine by current transformer, that is, is not used
220V battery is traction electric machine power supply.Due to not including direct current 220V bus and 220V battery in present system, effectively
The complexity of train traction power supply system is reduced, so imitating using the use that the present invention can be improved Electric route
Rate saves hardware resource and cost.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the schematic diagram of pantograph provided by the present application；
Fig. 2 is a kind of schematic diagram for train battery traction system that the embodiment of the present application one provides；
Fig. 3 is the schematic diagram for another train battery traction system that the embodiment of the present application two provides；
Fig. 3 a is the schematic diagram of the specific connection type for the train battery traction system that the embodiment of the present application two provides；
Fig. 4 is the schematic diagram for another train battery traction system that the embodiment of the present application three provides；
Fig. 5 is the train battery traction System Working Principle schematic diagram that the embodiment of the present application three provides
Fig. 6 is the flow chart for the train battery traction method that the embodiment of the present application four provides；
Fig. 7 is a kind of schematic diagram for train that the embodiment of the present application five provides.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Currently, other than high-speed rail and motor-car, the city rail traffic in city further includes in order to improve the convenience of traffic
It include subway or subway, the above vehicles are referred to as train, will be installed on the roof of general train by the embodiment of the present application
There is pantograph to obtain electric energy from contact line.
Referring to Fig. 1, which is the schematic diagram of pantograph provided by the present application.
As shown in Figure 1, wherein contact line 101 (being also possible to contact net) is used to provide electric energy for train, pantograph 102 is used
In obtaining electric energy from contact line 101.The electric energy of acquisition is used to charge for the battery on train, includes 110V on general train
Battery and 220V battery.Wherein 110V battery can be used for for the control loop power supply on train, such as lighting system, control
System processed etc., 220V battery are used to provide power supply for traction electric machine.
But train is in actual use, it is in this way each train that the probability powered using battery traction is seldom
It is equipped with 220V battery, not only wastes hardware resource, but also waste power supply energy, and 220V accumulator quality is bigger, volume
It is larger, it is placed on subway and compares occupied space.In order to solve the above-mentioned technical problem, this application provides a kind of train batteries
Trailer system, method and train, illustrate below with reference to embodiment.
Embodiment one:
The embodiment of the present application provides a kind of train battery traction system, illustrates with reference to the accompanying drawing.
Referring to fig. 2, which is a kind of train battery traction system that the embodiment of the present application one provides.
The system comprises: first switch 201, second switch 202, the first traction convertor 203, the first 110V battery
204 and controller 205.In addition, the first traction convertor 203 is also connect with the first traction electric machine 206.
It should be noted that " second " is intended merely to facilitate explanation, and is not limited in the embodiment of the present application " first "
Effect.
The first switch 201 and second switch 202 can be breaker, the on-off for circuit where controlling.
The first 110V battery 204 connects direct current 110V bus by the first switch 201.
The first 110V battery 204 connects first traction convertor 203 by the second switch 202.
The controller 205 when for determining the first pantograph rising bow of train, controlling the first switch 201 and being closed,
The second switch 202 disconnects.
The controller 205 can be the control computer of the train.
The first pantograph of train obtains electric energy from direct current 110V bus and charges for the first 110V battery 204 at this time, the
203 electrical isolation of one 110V battery 204 and the first traction convertor, i.e., the first traction convertor 203 does not work at this time.
The controller 205 when being also used to determine the first pantograph drop bow, controls the first switch 201 and disconnects,
The second switch 202 is closed.
The first pantograph of train stops obtaining electric energy, the first 110V battery 204 and the from direct current 110V bus at this time
The electrical connection of one traction convertor 203, i.e., the first traction convertor 203 is started to work at this time.
The controller 205 is also used to control first traction convertor 203 when the second switch 202 is closed
Work in inverter mode.
First traction convertor 203, the DC inverter for exporting the first 110V battery are exchange
Electricity is supplied to the first traction electric machine 206.
It should be noted that the first switch 201 is not simultaneously in closed state with the second switch 202, i.e.,
When the first pantograph rising bow, the first traction convertor 203 of train need to be in the state of electrical isolation.
Train battery traction system provided by the embodiments of the present application is connected using the first 110V battery by first switch
Connect direct current 110V bus；The first 110V battery connects first traction convertor by the second switch.Work as column
When the first pantograph rising bow of vehicle, controller controls the first switch closure, and the second switch disconnects, at this time the first 110V
Battery is in charged state, and the first traction convertor does not work.When bow drops in the first pantograph of train, controller controls institute
First switch disconnection is stated, the second switch closure, the first 110V battery and the first traction convertor are electrically connected at this time, the
The DC inverter that first 110V battery exports is that alternating current is supplied to the first traction electric machine by one traction convertor, i.e., no longer
It the use of 220V battery is traction electric machine power supply.Due to not including direct current 220V bus and 220V electric power storage in the system of the present embodiment
Pond effectively reduces the complexity of train traction power supply system, so can be improved Electric route using the present invention
Service efficiency saves hardware resource and cost.
Embodiment two:
Referring to Fig. 3, which is the schematic diagram for another train battery traction system that the embodiment of the present application two provides.
Referring also to Fig. 3 a, which is the specific connection for the train battery traction system that the embodiment of the present application two provides
The schematic diagram of mode.
System described in the embodiment of the present application is based on system described in embodiment one, and further comprise spare part: third is opened
Close the 301, the 4th switch 302, the second traction convertor 303 and the 2nd 110V battery 304.In addition, the second traction convertor 303
Also it is connect with the second traction electric machine 305.
It should be noted that " the 4th " is intended merely to facilitate explanation, and is not limited in the embodiment of the present application " third "
Effect.
The third switch 301 and the 4th switch 302 can be breaker, the on-off for circuit where controlling.
The 2nd 110V battery switchs connection direct current 110V bus by the third.
The 2nd 110V battery connects second traction convertor by the 4th switch.
The controller 205 when for determining the second pantograph rising bow of train, controlling the third switch 301 and being closed,
4th switch 302 disconnects.
The controller 205 can be the control computer of the train.
The second pantograph of train obtains electric energy from direct current 110V bus and charges for the 2nd 110V battery 304 at this time, the
303 electrical isolation of two 110V batteries 304 and the second traction convertor.
The controller 205 when being also used to determine the second pantograph drop bow, controls the third switch 301 and disconnects,
4th switch 302 closure.
The second pantograph of train stops obtaining electric energy, the 2nd 110V battery 304 and the from direct current 110V bus at this time
The electrical connection of two traction convertors 303, i.e., the second traction convertor 203 is started to work at this time.
The controller 205 is also used to control second traction convertor 303 when the 4th switch 302 is closed
Work in inverter mode.
Second traction convertor 303, the DC inverter for exporting the 2nd 110V battery 304 are to hand over
Galvanic electricity is supplied to the second traction electric machine 305.
It should be noted that the third switch 301 is not simultaneously in closed state with the 4th switch 302, i.e.,
When the second pantograph rising bow, the second traction convertor 303 of train need to be in the state of electrical isolation.
It should be noted that in the embodiment of the present application, if the first pantograph and the electrical connection of the second pantograph, described the
One pantograph and the second pantograph are in only one of them rising bow of synchronization.
When the train battery traction system is applied to the same section power compartment of train, general train does not allow electricity
The double pantographs while rising bow of gas connection, this is because the contact net of electrified circuit maintains higher to reduce voltage drop
Contact voltage can be divided into a section every a certain distance, by insulation layer mutual insulating between each section, and train
It itself is a conductor, if the double pantographs while rising bow of electrical connection, by the area Liang Ge will be connected when insulation layer
Section causes section short-circuit.
Train battery traction system provided by the embodiments of the present application is made of two sets of equipment, is increased on direct current 110V bus
Spare part is added, has included: third switch, the 4th switch, the second traction convertor and the 2nd 110V battery.When train
When the second pantograph rising bow, controller controls the third and closes the switch, and the 4th switch disconnects, the 2nd 110V electric power storage at this time
Pond is in charged state.When bow drops in the second pantograph of train, controller controls the third switch and disconnects, and the described 4th opens
It closes and closes, the 2nd 110V battery and the second traction convertor are electrically connected at this time, and the second traction convertor stores the 2nd 110V
The DC inverter of battery output is that alternating current is supplied to the second traction electric machine.System provided by the embodiments of the present application has redundancy
When the ability of work, even a set of equipment therein break down, another set of equipment can be switched to by controller, is further increased
The reliability and security of train battery traction system.
Embodiment three:
Referring to fig. 4, which is the schematic diagram for another train battery traction system that the embodiment of the present application three provides.
Signal collecting device 401 is increased on the basis of the system described in embodiment three of system described in the embodiment of the present application.
The signal collecting device 401, for judge first pantograph and the second pantograph whether rising bow, and by institute
The rising bow result for stating the first pantograph and the second pantograph is sent to the controller 205.
The controller 205 can be the control computer of the train.
Specifically, the signal collecting device 401, is used in the first pantograph rising bow, by described first by electricity
The ID and rising bow of bow, which are effectively identified, is sent to the controller 205；It is also used in the second pantograph rising bow, it will be described
The ID and rising bow of second pantograph, which are effectively identified, is sent to the controller 205, and two pantographs correspond to two sets of systems at this time
System, the ID of pantograph can be also used for distinguishing which set of system is working.
Referring to Fig. 5, which is the train battery traction System Working Principle schematic diagram that the embodiment of the present application three provides.
Below by the signal collecting device 401 be effectively identified as 1 for, the work for illustrating the system is former
Reason:
Step 1: acquisition pantograph by stream mode.
The signal collecting device 401 acquire train pantograph by stream mode, when the pantograph of train is normally flowed,
Collected status signal is 1, when train pantograph can not normally be flowed, collected status signal 0.
Signal collecting device 401 also judges whether first pantograph and the second pantograph rising bow and acquire rising bow
Pantograph ID, the ID and rising bow effectively identify and be sent to the controller 205 by signal collecting device 401 so that
Controller 205 judges which set of system is working according to the ID.
Step 2: controller instruction judgement.
It is illustrated by taking the first pantograph rising bow as an example below.
When the status signal that controller 205 receives is 1, because being effectively identified as 1, the first pantograph at this time is judged
Normally flowed, controller 205 instructs judging result as follows: first switch 201 is closed, and second switch 202 disconnects；
When the status signal that controller 205 receives is 0, judge that the first pantograph can not normally be flowed at this time, controls
Device 205 processed instructs judging result as follows: first switch 201 disconnects, and second switch 202 is closed.
Step 3: transmitting result and executing.
The result of instruction judgement is transferred to first switch 201 and second switch 202 by controller 205.
When first switch 201 is closed, and second switch 202 disconnects, the first 110V battery 204 and direct current 110V bus electricity
Gas connection, the first 110V battery 204 are in charged state, and the first 110V battery 204 and the first traction convertor 203 are electrical
Isolation.
When first switch 201 disconnects, and second switch 202 is closed, the first 110V battery 204 is in discharge condition, the
One 110V battery 204 and direct current 110V bus electrical isolation, 203 electricity of the first 110V battery 204 and the first traction convertor
Gas connection.
The execution first step is returned after completing third step, carries out cycle operation.
Working principle when second pantograph works is similar, and details are not described herein.
It should be noted that the selection for two sets of equipment in the system, can also lead to the method artificially configured
Select the ID of pantograph to realize the selection or switching to pantograph by controller 205.
The embodiment of the present application describes the working principle of signal collecting device and controller in detail, using including the letter
Number acquisition equipment and controller train battery traction system, effectively reduces the complexity of train traction power supply system, improves
The service efficiency of Electric route, while the system can also have redundancy feature, that is, have two sets of equipment, pass through letter
The switch operatings of two sets of equipment rooms may be implemented in number acquisition equipment and controller, further improves train battery traction system
Reliability and security.
Example IV:
The train battery traction system provided based on the above embodiment, the embodiment of the present application also provides a kind of train storages
Accumulator drive method, illustrates with reference to the accompanying drawing.
Referring to Fig. 6, which is the flow chart for the train battery traction method that the embodiment of the present application four provides.
Described method includes following steps:
S601: when determining the first pantograph rising bow of train, the first switch closure is controlled, the second switch is disconnected
It opens.
S602: when determining the first pantograph drop bow, controlling the first switch and disconnect, the second switch closure.
Train battery traction method provided by the embodiments of the present application can using in system described in above-described embodiment,
When the first pantograph rising bow of train, controller controls first switch closure, and the second switch disconnects, and at this time first
110V battery is in charged state, and the first traction convertor does not work.When bow drops in the first pantograph of train, controller control
It makes the first switch to disconnect, the second switch closure, the first 110V battery electrically connects with the first traction convertor at this time
It connecing, the DC inverter that the first 110V battery exports is that alternating current is supplied to the first traction electric machine by the first traction convertor,
220V battery is not used as traction electric machine power supply.Using this method, train traction power supply system can be effectively reduced
Complexity, improve the service efficiency of Electric route, save hardware resource and cost.
Embodiment five:
In addition, the train battery traction system provided based on the above embodiment, the embodiment of the present application also provides one kind
Train is configured with above-mentioned train battery traction system on the train, illustrates with reference to the accompanying drawing.
Referring to Fig. 7, which is a kind of schematic diagram for train that the embodiment of the present application five provides.
Train battery traction system 701 is installed on train 700 described in the present embodiment, is only pacified on train shown in Fig. 7
Equipped with a pantograph, that is, the system installed includes: first switch, second switch, the first traction convertor, the first 110V
Battery and controller.
The train can also be installed such as the described in any item systems of embodiment two or three, i.e., will be installed on train there are two
Pantograph, two pantographs correspond respectively to two sets of equipment, and the application is not especially limited this.
It should be noted that it is the system power supply that the train, which utilizes 110V bus, at this time.
Train provided by the embodiments of the present application is train battery traction system power supply using direct current 110V bus, in institute
It states and does not include direct current 220V bus and 220V battery in system, effectively reduce the complexity of train traction power supply system, mention
The high service efficiency of Electric route, saves hardware resource and cost, while the train battery traction system may be used also
With redundancy feature, that is, there are two sets of equipment, correspond respectively to two pantographs, when wherein a set of equipment failure, control
Device, which can control, to be switched to another set of equipment and works on, and the reliability and security of train battery traction system is improved.
It in above-described embodiment, all emphasizes particularly on different fields for the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical solution makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, it is all without departing from
The content of technical solution of the present invention, according to the technical essence of the invention any simple modification made to the above embodiment, equivalent
Variation and modification, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (10)
1. a kind of train battery traction system characterized by comprising controller, first switch, second switch, first are led
Draw current transformer and the first 110V battery；
The first 110V battery connects direct current 110V bus by the first switch；
The first 110V battery connects first traction convertor by the second switch；
The controller when for determining the first pantograph rising bow of train, controls the first switch closure, described second opens
Shutdown is opened；When being also used to determine the first pantograph drop bow, controls the first switch and disconnect, the second switch closure.
2. system according to claim 1, which is characterized in that the controller is also used to be closed when the second switch
When, it controls first traction convertor and works in inverter mode；
First traction convertor, the DC inverter for exporting the first 110V battery are supplied to for alternating current
First traction electric machine.
3. system according to claim 1, which is characterized in that further include: third switch, the 4th switch, the second traction become
Flow device and the 2nd 110V battery；
The 2nd 110V battery switchs connection direct current 110V bus by the third；
The 2nd 110V battery connects second traction convertor by the 4th switch；
The controller when for determining the second pantograph rising bow of train, controlling the third and closing the switch, and the described 4th opens
Shutdown is opened；When being also used to determine the second pantograph drop bow, controls the third switch and disconnect, the described 4th closes the switch；
First pantograph and the second pantograph are in only one of them rising bow of synchronization.
4. system according to claim 3, which is characterized in that further include: signal collecting device；
The signal collecting device, for judge first pantograph and the second pantograph whether rising bow, by described first by
The rising bow result of pantograph and the second pantograph is sent to the controller.
5. system according to claim 4, which is characterized in that the signal collecting device is used for described first by electricity
When bending rising bow, the ID of first pantograph and rising bow are effectively identified and are sent to the controller；It is also used to described
When two pantograph rising bows, the ID of second pantograph and rising bow are effectively identified and are sent to the controller.
6. system according to claim 5, which is characterized in that described to be effectively identified as 1.
7. system according to claim 3, which is characterized in that the first switch, second switch, third switch and the 4th
Switch is breaker.
8. system according to claim 1-7, which is characterized in that the controller is the control meter of the train
Calculation machine.
9. a kind of train battery traction method, which is characterized in that be applied to the described in any item train electric power storages of claim 1-8
Pond trailer system, comprising the following steps:
When determining the first pantograph rising bow of train, the first switch closure is controlled, the second switch disconnects；Described in determination
When the first pantograph drop bow, controls the first switch and disconnect, the second switch closure.
10. a kind of train, which is characterized in that including the described in any item train battery traction systems of claim 1-8；
The train is system power supply using direct current 110V bus.
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| CN110588725A (en) * | 2019-09-12 | 2019-12-20 | 中车株洲电力机车有限公司 | Double-break multi-redundancy control circuit for traction emergency command |
| CN112757904A (en) * | 2021-01-26 | 2021-05-07 | 中车青岛四方机车车辆股份有限公司 | Control circuit of rail vehicle, control method and control device thereof |
| CN113829900A (en) * | 2020-06-24 | 2021-12-24 | 比亚迪股份有限公司 | Train, train power-off control method and equipment |
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