CN106809029B - Braking recovery system, the control centre for train scheduling and the method for train - Google Patents
Braking recovery system, the control centre for train scheduling and the method for train Download PDFInfo
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- CN106809029B CN106809029B CN201610841075.1A CN201610841075A CN106809029B CN 106809029 B CN106809029 B CN 106809029B CN 201610841075 A CN201610841075 A CN 201610841075A CN 106809029 B CN106809029 B CN 106809029B
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- 238000011084 recovery Methods 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 60
- 230000005611 electricity Effects 0.000 claims description 152
- 238000012544 monitoring process Methods 0.000 claims description 15
- 238000012806 monitoring device Methods 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 7
- 238000003869 coulometry Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004064 recycling Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 230000009102 absorption Effects 0.000 description 15
- 238000010521 absorption reaction Methods 0.000 description 15
- 238000004146 energy storage Methods 0.000 description 13
- 238000004378 air conditioning Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
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- 238000006243 chemical reaction Methods 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/13—Trolley wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
- B60M3/06—Arrangements for consuming regenerative power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
- B61C3/02—Electric locomotives or railcars with electric accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
- B61L2027/204—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation using Communication-based Train Control [CBTC]
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of braking recovery system of train, the control centre for train scheduling and method, the system comprises：Traction networks；Train, the train include：Electric brake；Battery；Distributor, the distributor are connected with the electric brake, have node between the distributor and the electric brake；One end of two-way DC/DC converters, the two-way DC/DC converters is connected with the battery, and the other end of the two-way DC/DC converters is connected with the node；First controller；Multiple energy-accumulating power stations, the multiple energy-accumulating power station are connected with the Traction networks；Control centre, when the substation breaks down, controls the multiple energy-accumulating power station and discharges for being monitored to the substation powered for the Traction networks.The embodiment of the present invention carries out emergency service, it is ensured that train normal operation when substation, which breaks down, to be Traction networks using the energy-accumulating power station on Traction networks as a result,.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to braking recovery system, one kind of a kind of train being used for train tune
The control centre of degree, a kind of braking recovery method of train and a kind of control method for train scheduling.
Background technology
With the continuous expansion of city size, traffic increasingly congestion, track train, such as light rail, subway etc. have become mesh
The main traffic mode in preceding many cities.Train will produce a large amount of braking electric energy during braking, with environmentally protective
Theory the problem of constantly deepening, train braking electric energy is recycled and recycled it is very urgent.Has related skill at present
Art discloses, and battery is arranged among train and is recycled to braking electric energy, and is train power supply.However generated when train braking
It is very big to brake electric energy, if to be absorbed by on-vehicle battery, needs that a large amount of battery is installed ON TRAINS, not only sternly
The weight for increasing train again, influences the energy consumption of train operation, and can also increase unnecessary cost.
Therefore, the relevant technologies needs are improved.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention
One purpose is to propose that the recycling and reuse of braking electric energy may be implemented in a kind of braking recovery system of train, the system.
It is another object of the present invention to propose a kind of control centre for train scheduling.Another mesh of the present invention
Be propose a kind of braking recovery method of train.Another object of the present invention is to propose a kind of for train scheduling
Control method.
In order to achieve the above objectives, a kind of braking recovery system for train that one aspect of the present invention embodiment proposes, including：It leads
Draw net；Train, the train include：Electric brake；Battery；Distributor, the distributor is connected with the electric brake, described
There is node between distributor and the electric brake；Two-way DC/DC converters, one end of the two-way DC/DC converters with
The battery is connected, and the other end of the two-way DC/DC converters is connected with the node；First controller；Multiple energy storage electricity
It stands, the multiple energy-accumulating power station is connected with the Traction networks；Control centre, for the substation powered for the Traction networks into
Row monitoring, when the substation breaks down, controls the multiple energy-accumulating power station and discharges.
The braking recovery system of the train proposed according to embodiments of the present invention, power transformation of the control centre to powering for Traction networks
Station is monitored, and is controlled multiple energy-accumulating power stations when substation breaks down and discharged.The embodiment of the present invention is becoming as a result,
When power station failure can not be Traction networks, the energy-accumulating power station on Traction networks is used to carry out emergency service, it is ensured that train is normally transported
Row.
In order to achieve the above objectives, a kind of control centre for train scheduling that another aspect of the present invention embodiment proposes,
Including：Communication device, for being communicated with the train and the energy-accumulating power station；Monitoring device, for for the traction
The substation of net power supply is monitored；Control device, for when the substation breaks down, controlling the multiple energy storage electricity
It discharges at station.
The control centre for train scheduling proposed according to embodiments of the present invention, by monitoring device to being supplied for Traction networks
The substation of electricity is monitored, and then control device controls multiple energy-accumulating power stations when substation breaks down and discharges.By
This, the embodiment of the present invention is met an urgent need when substation, which breaks down, to be Traction networks using the energy-accumulating power station on Traction networks
Power supply, it is ensured that train normal operation.
In order to achieve the above objectives, a kind of braking recovery method for train that another aspect of the invention embodiment proposes, including
Following steps：Monitoring is the substation of Traction networks power supply, wherein the Traction networks are connected with multiple energy-accumulating power stations；In the change
When power station is broken down, controls multiple energy-accumulating power stations and discharge.
The braking recovery method of the train proposed according to embodiments of the present invention monitors the substation powered for Traction networks, and
When the substation breaks down, controls multiple energy-accumulating power stations and discharge.The embodiment of the present invention occurs in substation as a result,
When failure can not be Traction networks, emergency service is carried out using the energy-accumulating power station on Traction networks, it is ensured that train normal operation.
In order to achieve the above objectives, a kind of control method for train scheduling that further aspect of the present invention embodiment proposes,
Include the following steps：Monitoring is the substation of Traction networks power supply, wherein the Traction networks are connected with multiple energy-accumulating power stations；
It is put by being communicated with multiple energy-accumulating power stations with controlling the multiple energy-accumulating power station when the substation breaks down
Electricity.
The control method for train scheduling proposed according to embodiments of the present invention, monitors the power transformation powered for Traction networks
It stands, and is discharged by being communicated with multiple energy-accumulating power stations with controlling multiple energy-accumulating power stations when substation breaks down.
The embodiment of the present invention carries out emergent confession when substation, which breaks down, to be Traction networks, using the energy-accumulating power station on Traction networks
Electricity, it is ensured that train normal operation.
Description of the drawings
Fig. 1 is the block diagram according to the braking recovery system of the train of the embodiment of the present invention；
Fig. 2 is the block diagram according to the braking recovery system of the train of one embodiment of the invention；
Fig. 3 is the circuit diagram according to the braking recovery system of the train of one embodiment of the invention, wherein Traction networks
Voltage U be more than the first predetermined threshold value U1；
Fig. 4 is the circuit diagram according to the braking recovery system of the train of one embodiment of the invention, wherein Traction networks
Voltage U be less than the second predetermined threshold value U2；
Fig. 5 is the circuit diagram according to the braking recovery system of the train of one embodiment of the invention, wherein Traction networks
Voltage U be more than the 4th predetermined threshold value U4；
Fig. 6 is the circuit diagram according to the braking recovery system of the train of one embodiment of the invention, wherein Traction networks
Voltage U be less than the 5th predetermined threshold value U5；
Fig. 7 is the circuit diagram according to the braking recovery system of the train of one embodiment of the invention, wherein Traction networks
Voltage U be less than the 7th predetermined threshold value U7；
Fig. 8 is the block diagram according to the braking recovery system of the train of a specific embodiment of the invention；
Fig. 9 is the block diagram according to the braking recovery system of the train of another specific embodiment of the invention；
Figure 10 is the block diagram according to the braking recovery system of the train of another specific embodiment of the invention；
Figure 11 is the operation principle schematic diagram according to the braking recovery system of the train of a specific embodiment of the invention；
Figure 12 is the structural schematic diagram of train in the braking recovery system according to the train of a specific embodiment of the invention；
Figure 13 is the block diagram according to the control centre for train scheduling of the embodiment of the present invention；
Figure 14 is the flow chart according to the braking recovery method of the train of the embodiment of the present invention；
Figure 15 is the flow chart according to the braking recovery method of the train of one embodiment of the invention；
Figure 16 is the flow chart according to the braking recovery method of the train of another embodiment of the present invention；
Figure 17 is the flow chart according to the braking recovery method of the train of another embodiment of the invention；
Figure 18 is the flow chart according to the charge-discharge electric power method for limiting of the battery of the train of one embodiment of the invention；
Figure 19 is the flow chart according to the braking recovery method of the train of a specific embodiment of the invention；
Figure 20 is the flow chart according to the braking recovery method of the train of another specific embodiment of the invention；And
Figure 21 is the flow chart according to the control method for train scheduling of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings come describe proposition of the embodiment of the present invention train braking recovery system and method and be used for
The control centre of train scheduling and method.
Fig. 1 is the block diagram according to the braking recovery system of the train of the embodiment of the present invention.As shown in Figure 1, the row
The braking recovery system of vehicle includes：Traction networks 1, the multiple trains 2 being connected on Traction networks 1, be arranged it is multiple on Traction networks 1
Energy-accumulating power station 3 and the control centre 4 communicated respectively with each train 2 and each energy-accumulating power station 3.Wherein, Traction networks 1 to
Multiple trains 2 provide direct current, and train 2 takes electricity by electricity getting device among Traction networks.In one embodiment of the invention,
Train 2 is straddle-type monorail train.It in an embodiment of the present invention can be by the battery or energy-accumulating power station 3 of train 2 to row
The braking electric energy that vehicle 2 generates is recycled.For train 2, the braking electric energy of itself generation can be not only absorbed, it can also
Absorb the braking electric energy of other trains 2 generation.Since train 2 is when to 1 regenerative braking electric energy of Traction networks, the voltage of Traction networks 1
It can increase, therefore train 2 and energy-accumulating power station 3 can be monitored the voltage of Traction networks 1.When the voltage of Traction networks 1 increases,
It can be absorbed by the battery or energy-accumulating power station 3 of train 2, to prevent the voltage of Traction networks 1 from reaching rated voltage, and be gone out
Existing failure.Specific absorption process will describe in detail below in an example.In an embodiment of the present invention, train 2
The braking electric energy that absorbs of battery can be used for illumination, air-conditioning, the multimedia electricity consumption of train 2.In other implementations of the present invention
In example, the braking electric energy of the battery absorption of train 2 can be also used for the emergency driving of train 2, such as when train 2 can not be from traction
Net 1 obtains electric energy, and if Traction networks 1 break down, alternatively, when without Traction networks 1, train 2 can be switched to battery power.At this
In the embodiment of invention, among energy-accumulating power station 3 can be arranged AT STATION, the braking electric energy of absorption is powered for station, example
Such as it is powered for air-conditioning, multimedia, the light at station.In an embodiment of the present invention, energy-accumulating power station 3 is according to pre-determined distance
The power of interval setting, such as two energy-accumulating power stations 3 of interior setting per 3-6 kilometers, each energy-accumulating power station 3 is 0.5-2MW.Certainly originally
Field technology personnel can select the quantity and power of suitable energy-accumulating power station 3 according to the specific operating environment of train 2.In this hair
In bright embodiment, control centre 4 can also dispatch Traction networks 1 when line fault occurs in the substation powered for Traction networks 1
On energy-accumulating power station 3 be train 2 carry out emergency service.
As shown in Figure 1, the braking recovery system of the train of the embodiment of the present invention includes：Traction networks 1, train 2, multiple energy storage
Power station 3 and control centre 4.
Wherein, train 2 is connected on Traction networks 1；Multiple energy-accumulating power stations 3 are connected with Traction networks 1；Control centre 4 for pair
The substation 5 powered for Traction networks 1 is monitored, and when substation 5 breaks down, controls multiple energy-accumulating power stations 3 and discharges.
That is, control centre 4 can be communicated with substation 5 to obtain the working condition of substation 5, for example whether
It breaks down.And control centre 4 can also be communicated with each energy-accumulating power station 3 is discharged with controlling each energy-accumulating power station 3.
Specifically, control centre 4 can in real time be monitored substation 5, if substation 5 breaks down, illustrate
There is electric network fault, Traction networks 1 can not take electricity from power grid, i.e., train 2 is powered after Traction networks 1 can not take electricity from power grid, this time control
Center 4 processed issues control of discharge after determining that power grid breaks down and instructs to multiple energy-accumulating power stations 3 on Traction networks 1, multiple storages
Energy power station 3 starts to discharge to Traction networks 1, to carry out emergency service to operate in the train 2 on Traction networks 1.
According to one embodiment of present invention, when the electricity of multiple energy-accumulating power stations 3 is less than third power threshold, in control
The battery that the heart 4 controls train 2 discharges.
That is, control centre 4 can also be by being communicated with multiple energy-accumulating power stations 3 to obtain each energy-accumulating power station 3
Charge condition, also, control centre 4 can be by being communicated with train 2 to control train 2.
As a result, in one embodiment of the invention, control centre 4 can monitor the electricity of multiple energy-accumulating power stations 3 in real time, such as
The electricity of the multiple energy-accumulating power stations of fruit 3 is less than third power threshold, and the battery that control centre 4 then controls train 2 discharges, and controls
It makes multiple energy-accumulating power stations 3 and stops electric discharge.Alternatively, in another embodiment of the present invention, each energy-accumulating power station 3 can monitor in real time
The electricity of itself, if the electricity of multiple energy-accumulating power stations 3 is less than third power threshold, which can send out to control centre 4
Send stopping electric discharge request, control centre 4 stops electric discharge request the battery of train 2 can control to discharge receiving, and controls
Multiple energy-accumulating power stations 3 stop electric discharge.
In an embodiment of the present invention, electricity can reduce energy-accumulating power station 3 after discharge, when the electricity of energy-accumulating power station 3 is small
When third power threshold Q3, control centre 4 is that the battery of control train 2 discharges, and controls the stopping of multiple energy-accumulating power stations 3
Electric discharge.
Specifically, the discharge power of energy-accumulating power station 3 is restricted, and when energy-accumulating power station 3 is discharged, can be detected in real time
The electricity of energy-accumulating power station 3, and determine whether that energy-accumulating power station 3 discharges according to the electricity of energy-accumulating power station 3.Specifically, exist
When energy-accumulating power station 3 is discharged to Traction networks 1, it can determine whether the electricity of energy-accumulating power station 3 is less than third power threshold Q3, if
The electricity of energy-accumulating power station 3 is less than third power threshold Q3, then the maximum allowable discharge power of energy-accumulating power station 3 is limited to 0, control
Energy-accumulating power station 3 stops electric discharge.
The braking recovery system for the train that the embodiment of the present invention proposes as a result, change of the control centre to powering for Traction networks
Power station is monitored, and is controlled multiple energy-accumulating power stations when substation breaks down and discharged.The embodiment of the present invention exists as a result,
When substation's failure can not be Traction networks, the energy-accumulating power station on Traction networks is used to carry out emergency service, it is ensured that train is normal
Operation.
As shown in Fig. 2, for according to the block diagram of the braking recovery system of the train of one embodiment of the invention.In order to
Convenient for description, an energy-accumulating power station is illustrated only in this embodiment.Train 2 includes：Electric brake 201, battery 202, distribution
Device 203,204 and first controller 205 of two-way DC/DC converters.
Wherein, as shown in Fig. 2, distributor 203 is connected with drawing electric network 1 and electric brake 201, distributor 203 and electricity are made
There is node between dynamic device 201；One end of two-way DC/DC converters 204 is connected with battery 202, two-way DC/DC converters 204
The other end be connected with the node between distributor 203 and electric brake 201.
First controller 205 is used to prepare electric appliance 203 and two-way DC/DC converters 204 in train braking time control and will brake
Electric energy feedback is opened to Traction networks 1, such as by distributor 203, and two-way DC/DC converters 204 are closed, to brake electricity
Traction networks 1 can be directly fed back to.And first controller 205 two-way DC/DC converters 204 are controlled according to the voltage U of Traction networks
The braking electric energy of train 2 is absorbed by battery 202.Also, in one embodiment of the invention, energy-accumulating power station 3 with
Traction networks 1 are connected, and energy-accumulating power station 3 includes second controller 301, and second controller 301 is used for according to the voltage U of Traction networks or control
The instruction control energy-accumulating power station 3 that center 4 processed issues carries out charge or discharge.Wherein, energy-accumulating power station 3 may include at least one energy storage
Battery and corresponding two-way DC/DC converters.In an embodiment of the present invention, as shown in Fig. 2, energy-accumulating power station 3 may include it is multiple
The anode of 160KW-80KWh modules, multiple 160KW-80KWh modules is connected, and passes through the positive phase of positive cabinet and Traction networks 1
Even, the cathode of multiple 160KW-80KWh modules is connected, and is connected with the cathode of Traction networks 1 by cathode cabinet.
Specifically, when train 2 is braked, traction electric machine is changed into generator operating mode, electricity system from motor working condition
Dynamic device 201 generates braking electric energy and braking electric energy is fed back to Traction networks 1.When the train negligible amounts on Traction networks 1 are drawn
Load on net 1 is smaller or Traction networks 1 on the train braked it is more when, the braking electric energy fed back on Traction networks 1 can be more than
The electric energy needed for train operation on Traction networks 1, so as to cause the raising of the voltage U of Traction networks.At this point, the first controller 205
The voltage U of monitoring Traction networks 1 in real time preferentially controls train 2 when the voltage U of Traction networks 1 is increased by the first controller 205
Battery 202 absorb braking electric energy.Meanwhile the second controller 301 of energy-accumulating power station 3 monitors the voltage U of Traction networks, if arranging
The voltage U of Traction networks 1 continues to increase after the battery of vehicle 2 is absorbed, then second controller 301 controls energy-accumulating power station 3 from leading
Draw the absorption electric energy of net 1 to charge.Similarly, when the train quantity on Traction networks 1 is more, i.e., the load on Traction networks 1 is larger
When, the voltage U of Traction networks 1 can be reduced, and the second controller 301 of energy-accumulating power station 3 monitors the voltage U of Traction networks 1 in real time at this time, when
When the voltage U of Traction networks 1 is reduced, energy-accumulating power station 3 is preferentially controlled by second controller 301 and is discharged to improve Traction networks 1
Voltage.If the voltage U of Traction networks 1 continues to reduce, the first controller 205 also can control battery 202 to discharge to carry
The voltage of high Traction networks 1.
It should be noted that the battery 202 of train 2 can be powered for the illumination of train, air-conditioning, multimedia.Energy storage
Power station 3 may be provided among station, and the braking electric energy of recycling is used to supply for the illumination at station, air-conditioning, multimedia etc.
Electricity.In this way, braking electric energy can be for recycling and reuse by battery 202 and energy-accumulating power station 3, while power transformation can be reduced
The load stood, has saved the energy.
It should also be noted that, battery 202 is arranged on train 2, the braking electric energy of train generation can be quickly absorbed, by
Farther out in the distance between energy-accumulating power station 3 and train 2, energy-accumulating power station 3 is caused to absorb braking electric energy lag.Therefore, in the present invention
Embodiment in preferentially select battery 202 absorb braking electric energy, with realize braking electric energy quick absorption, to prevent not inhaled
It receives or the braking electric energy of consumption causes the voltage U of Traction networks to increase, protect the parts of system, avoid on Traction networks 1
Electric appliance damages, and improves the safety of system.
Another specific embodiment according to the present invention, if it is Traction networks 1 there was only the operation of rows of vehicles 2 on Traction networks 1
It is upper to absorb braking electric energy without other trains, and the braking electric energy that the braking of train 2 generates is larger, then brakes electric energy mainly by energy storage
Power station 3 absorbs, such as the control battery 202 of the first controller 205 first absorbs the 30% of braking electric energy, then second controller
301 control energy-accumulating power stations 3 absorb the 70% of braking electric energy, to complete the recycling of braking electric energy.
Another specific embodiment according to the present invention, if there is the operation of multiple row train 2 on Traction networks 1, and in energy storage electricity
It stands after 3 absorption braking electric energy, the voltage U of Traction networks 1 continues to increase, then can pass through the non-brake train on Traction networks 1
It charges to the battery 202 of non-brake train.Assuming that the braking electric energy for not absorbed or being consumed on Traction networks 1 is Q ＇, traction
There are N row trains on net 1, then the average value for the braking electric energy that the battery 202 of each train absorbs on Traction networks 1 is Q ＇/N.At this
In the embodiment of invention, since the braking electric energy that train braking generates is very big, such as shown in table 1, it can be seen that in AW2 and
It will produce the braking electric energy more than 220KW under the operating mode of AW3.At this time if these braking electric energy trains for instantaneously generating
On-vehicle battery is absorbed, then the on-vehicle battery of train can be caused very big.Therefore in an embodiment of the present invention, for such
Situation is combined using battery and energy-accumulating power station to be absorbed, to avoid that a large amount of battery is arranged on train.
Table 1
The embodiment of the present invention realizes system by controlling battery and energy-accumulating power station absorption braking electric energy on train as a result,
The recycling and reuse of electrokinetic energy, reduce energy waste, reduce the load of Traction networks.Also, the embodiment of the present invention can be with
The voltage of effective monitoring Traction networks protects system parts, improves security of system.
The concrete operating principle of the braking recovery system of the train of the embodiment of the present invention is analyzed below with reference to Fig. 3-7.
According to one embodiment of present invention, as shown in figure 3, the voltage U when Traction networks is more than the first predetermined threshold value U1, example
When such as 845V, the first controller 205 controls two-way DC/DC converters 204 and enters charge mode so that battery 202 absorbs braking electricity
Energy.At this point, the electric energy in circuit is flowed according to the direction that arrow shown in Fig. 3 indicates, wherein the braking electric energy that train 2 generates is anti-
Traction networks 1 are fed to, and the battery 202 of train 2 absorbs braking electric energy.In an embodiment of the present invention, when the first controller 205
When controlling two-way DC/DC converters 204 into charge mode, on high-tension side DC power conversion is by two-way DC/DC converters 204
With the direct current of the voltage matches of battery 202, the absorption braking electric energy of battery 202 is controlled to be charged to battery 202；When
When one controller 205 controls two-way DC/DC and enters discharge mode, what two-way DC/DC converters 204 were used to provide on battery 202
Direct current is changed into the direct current with the voltage matches of Traction networks 1, and being discharged with to control battery 202 will store up in battery 202
The braking electric energy deposited feeds back to Traction networks 1.
According to one embodiment of present invention, as shown in figure 4, after battery 202 starts to absorb braking electric energy, Traction networks
1 voltage can decline, and when the voltage U of Traction networks 1 is less than the second predetermined threshold value U2, such as when 830V, the first controller 205 controls
Two-way DC/DC converters 204 are closed so that battery 202 stops absorbing braking electric energy, wherein the second predetermined threshold value U2 is less than first
Predetermined threshold value U1.At this point, the electric energy in circuit is flowed according to the direction that arrow shown in Fig. 4 indicates, the braking electric energy that train 2 generates
Traction networks 1 are fed back to, and the battery 202 of train 2 and energy-accumulating power station 3 do not absorb braking electric energy.
Specifically, as shown in Figures 3 and 4, when train 2 is braked, braking electric energy feeds back to Traction networks 1, the first control
The voltage U that device 205 processed monitors Traction networks in real time is said if the voltage U of Traction networks is more than the first predetermined threshold value U1, such as 845V
The bright braking electric energy fed back at this time on Traction networks 1 is superfluous, then the first controller 205 controls two-way DC/DC converters 204 and works
It is charged as battery 202 in charge mode using electric energy will be braked.At this point, the braking electric energy that train 2 generates is fed back by distributor 203
It charges to battery 202 to Traction networks 1, while by two-way DC/DC converters 204, i.e., absorbing part by battery 202 makes
Electrokinetic energy.Later if the voltage U of Traction networks is less than the second predetermined threshold value U2 such as 830V, illustrate to feed back to Traction networks 1 at this time
On braking electric energy and Traction networks 1 on load requirement basically reached balance, then the first controller 205 controls two-way DC/DC
Converter 204 is closed.At this point, control battery 202 stops absorbing braking electric energy, the braking electric energy that train 2 generates passes through distributor
203 feed back to Traction networks 1.
The embodiment of the present invention preferentially selects the battery 202 of train 2 to absorb braking electric energy, to realize the quick suction of braking electric energy
It receives, to prevent the braking electric energy not consumed from the voltage U of Traction networks being caused to increase, avoid the device failure on Traction networks 1.
According to one embodiment of present invention, as shown in figure 5, the voltage U when Traction networks 1 is more than the 4th predetermined threshold value U4,
Such as when 855V, second controller 301 controls energy-accumulating power station 3 and charges.At this point, the electric energy in circuit is according to arrow shown in Fig. 5
The direction flowing of head instruction, the braking electric energy that train 2 generates feed back to Traction networks 1, and the battery 202 of train 2 and energy storage electricity
Electric energy is braked in 3 absorptions of standing.In an embodiment of the present invention, when the battery of train 2 start absorb braking electric energy when, at this time due to
Train on Traction networks 1 is less, or the train 2 braked at this time is more, therefore the voltage of Traction networks 1 can also continue to increase.When
When the voltage U of Traction networks 1 is more than the 4th predetermined threshold value U4, control energy-accumulating power station 3 absorbs electric energy from Traction networks 1 and charges, from
And the voltage of Traction networks is avoided to reach maximum rated voltage.
Similarly, according to one embodiment of present invention, as shown in fig. 6, the voltage U when Traction networks is less than the 5th default threshold
Value U5, such as when 810V, second controller 301 control energy-accumulating power station 3 and discharge, wherein the 5th predetermined threshold value U5 is less than the
Four predetermined threshold value U4.At this point, the electric energy in circuit is flowed according to the direction that arrow shown in Fig. 6 indicates, the braking electricity that train 2 generates
Traction networks 1 can be fed back to, and energy-accumulating power station 3 discharges to Traction networks 1.In an embodiment of the present invention, if on Traction networks 1
Train it is more may result in Traction networks voltage decline, reach minimum rated voltage at this time in order to avoid the voltage of Traction networks,
Control energy-accumulating power station 3 is needed to discharge to Traction networks 1.In one particular embodiment of the present invention, exist on Traction networks 1 more
A energy-accumulating power station 3, the preferential energy-accumulating power station 3 for selecting electricity high discharge to Traction networks, such as the high electric discharge of energy-accumulating power station 3 of electricity
Power is big, and the power that the low energy-accumulating power station 3 of electricity discharges is smaller, to reach the electric quantity balancing between energy-accumulating power station 3.
According to one embodiment of present invention, after energy-accumulating power station 3 discharges to Traction networks 1, when the voltage U of Traction networks is big
When the 6th predetermined threshold value U6, second controller 301 controls energy-accumulating power station 3 and stops electric discharge, wherein the 6th predetermined threshold value U6 is more than
5th predetermined threshold value U5.
According to one embodiment of present invention, as shown in fig. 7, when the voltage U of Traction networks is less than the 7th predetermined threshold value U7,
Second controller 301 controls energy-accumulating power station 3 and discharges to Traction networks 1, meanwhile, the first controller 205 controls two-way DC/DC and becomes
Parallel operation 204 enters discharge mode so that the battery 202 of train 2 discharges to Traction networks 1, wherein the 7th predetermined threshold value U7 is small
In the 5th predetermined threshold value U5.At this point, the electric energy in circuit is flowed according to the direction that arrow shown in Fig. 7 indicates, the system that train 2 generates
Electrokinetic energy feeds back to Traction networks 1, and energy-accumulating power station 3 and battery 202 discharge to Traction networks 1.In the present embodiment, if
The voltage U of Traction networks 1 is too small, then the battery for controlling energy-accumulating power station 3 and train 2 discharges, thus by the voltage of Traction networks 1
Quickly improve.
Specifically, as shown in figure 5, if the train on Traction networks 1 is less, or the train 2 braked at this time is more, then
After the battery 202 of train 2 starts to absorb braking electric energy, the voltage of Traction networks 1 continues growing, when the voltage U of Traction networks is big
In the 4th predetermined threshold value U4, such as when 855V, second controller 301 control energy-accumulating power station 3 from Traction networks 1 absorb braking electric energy into
Row charging, to mitigate the pressure that battery 202 absorbs braking electric energy, to avoid the voltage U of Traction networks 1 most more than Traction networks 1
Big rated voltage Un.As shown in fig. 6, if the more voltage that may result in Traction networks of train on Traction networks 1 declines, work as traction
The voltage U of net 1 is less than the 5th predetermined threshold value U5, such as when 810V, second controller 301 control energy-accumulating power station 3 to Traction networks 1 into
Row electric discharge.
Further, after energy-accumulating power station 3 discharges to Traction networks 1, the voltage U of Traction networks gos up, second controller 301
The voltage U for continuing to monitor Traction networks such as when 830V, illustrates anti-at this time when the voltage U of Traction networks is more than the 6th predetermined threshold value U6
The braking electric energy being fed on Traction networks 1 has basically reached balance with the load on Traction networks 1, then the control of second controller 301 storage
It can the stopping electric discharge of power station 3.
Further, it as shown in fig. 7, if the train quantity on Traction networks 1 is more, is carried out in control energy-accumulating power station 3
After electric discharge, the voltage U of Traction networks will continue to reduce, when the voltage U of Traction networks is less than the 7th predetermined threshold value U7, the second control
Device 301 controls energy-accumulating power station 3 and discharges to Traction networks 1, meanwhile, the first controller 205 controls two-way DC/DC converters 204
Into discharge mode so that the battery 202 of train 2 discharges to Traction networks 1, to which the voltage of Traction networks 1 quickly be improved.
Wherein, the discharge power of battery 202 is that the maximum allowable discharge power of battery 202 and the maximum of two-way DC/DC converters 204 permit
Perhaps the smaller value in discharge power.
According to one embodiment of present invention, energy-accumulating power station 3 can be multiple, and multiple energy-accumulating power stations 3 are according between pre-determined distance
Every setting.In an embodiment of the present invention, among energy-accumulating power station 3 can be arranged AT STATION, using the braking electric energy that will be absorbed as vehicle
Station is powered, and for example, the air-conditioning at station, multimedia, light etc. are powered.
According to one embodiment of present invention, can interior per 3-6 kilometers two energy-accumulating power stations 3, the power of energy-accumulating power station 3 be set
Can be 0.5-2MW.Wherein, those skilled in the art can select suitable energy-accumulating power station 3 according to the specific operating environment of train 2
Quantity and power.
According to one embodiment of present invention, as shown in figure 8, train 2 further includes：Coulometric detector 206, wherein electricity
Detector 206 is used to detect the electricity of battery 202, wherein when battery 202 absorbs braking electric energy, if the electricity of battery 202
Q is more than the first power threshold Q1, such as 80%, then the first controller 205 controls two-way DC/DC converters 204 and closes so that electricity
Pond 202 stops absorbing braking electric energy.In an embodiment of the present invention, the charge power of battery 202 and discharge power are restricted,
The electricity after absorbing braking electric energy of battery 202 can increase, if the electricity of battery 202 is excessive, can influence battery 202 uses the longevity
Life controls two-way DC/DC converters 204 and closes when electricity Q is more than the first power threshold Q1, stops inhaling to control battery 202
Receive braking electric energy.
According to one embodiment of present invention, when battery 202 is discharged to Traction networks 1, if the electricity of battery 202
Q is less than the second power threshold Q2, such as 50%, then the first controller 205 controls two-way DC/DC converters 204 and closes so that electricity
Pond 202 stops electric discharge.In an embodiment of the present invention, electricity can reduce battery 202 after discharge, when electricity Q is less than second
It when power threshold Q2, controls two-way DC/DC converters 204 and closes, stop electric discharge to control battery 202.
Specifically, the charge power of battery 202 and discharge power are restricted, and battery is controlled in the first controller 205
When 202 progress charge and discharge, pass through electricity SOC (State of Charge, lotus that coulometric detector 206 detects battery 202 in real time
Electricity condition), and determine whether that battery 202 carries out charge and discharge according to the electricity Q of battery 202.
Specifically, when battery 202 absorbs braking electric energy, the first controller 205 judges whether the electricity Q of battery 202 is big
In the first power threshold Q1 such as 80%, if the electricity Q of battery 202 is more than 80%, by the maximum allowable charging of battery 202
Power limit is 0, controls two-way DC/DC converters 204 at this time and closes, and stops absorbing braking electric energy to control battery 202；If
The electricity of battery 202 is less than or equal to 80%, then two-way DC/DC converters 204 are kept it turning on continues to absorb system to control battery 202
Electrokinetic energy.
Further, when battery 202 is discharged to Traction networks 1, the first controller 205 judges the electricity Q of battery 202
Whether it is less than the second power threshold Q2 such as 50%, if the electricity Q of battery 202 is less than 50%, the maximum of battery 202 is permitted
Perhaps discharge power is limited to 0, is stopped with controlling battery 202 at this point, the first controller 205 controls the two-way closing of DC/DC converters 204
Only discharge.
According to one embodiment of present invention, as shown in figure 9, train 2 further includes：Mechanical brake 207, wherein machinery
Brake 207 is used to carry out mechanical braking to train 2.
According to one embodiment of present invention, after battery 202 absorbs braking electric energy, when the voltage U of Traction networks is more than
When third predetermined threshold value U3,205 control machinery brake 207 of the first controller, which starts cooperation electric brake 201, carries out train 2
Braking, wherein third predetermined threshold value U3 is more than the first predetermined threshold value U1.In an embodiment of the present invention, if on Traction networks 1
Train is less, or the train braked at this time is more, then after battery 202 and energy-accumulating power station 3 absorb braking electric energy, Traction networks
1 voltage U will continue to increase, and when the voltage of Traction networks 1 is more than third predetermined threshold value U3, control machinery brake 207 starts,
To carry out auxiliary braking to train 2.
Specifically, after battery 202 and energy-accumulating power station 3 absorb braking electric energy, the voltage U of Traction networks will continue to increase
Adding, the first controller 205 monitors the voltage U of Traction networks in real time, if the voltage U of Traction networks is more than third predetermined threshold value U3,
First controller, 205 control machinery brake 207 starts, in this way, passing through mechanical braking while carrying out electric braking to train 2
Auxiliary braking is carried out to train 2, to reduce the braking electric energy of the generation of train 2, to avoid the voltage U of Traction networks from reaching maximum
Constant voltage, and precisely quickly parking may be implemented.
It should be noted that when the travel speed of train 2 is less than 5Km/h or needs inlet parking, can equally control
Mechanical brake 207 processed is opened to be braked to train 2.
According to one embodiment of present invention, as shown in Figure 10, train 2 further includes：Contactor detector 208, wherein connect
Whether the contactor that tentaculum detector 208 is used to detect train disconnects, wherein after detecting that contactor disconnects, the first control
Device 205 processed controls two-way DC/DC converters 204 and enters discharge mode so that battery 202 is powered for train 2, and controls the limit of train 2
Power operation.
Specifically, when contactor detector 208 detects that contactor disconnects, illustrate that train 2 is in abnormal electrical power supply shape
State, the first controller 205 judges that train 2 enters emergency driving pattern, and sends out emergent traction signal, to control two-way DC/DC
Converter 204 enters discharge mode, at this point, battery 202 is train power supply.Meanwhile first controller 205 control battery 202
Discharge power is less than or equal to predetermined power threshold value such as 70KW, so that train 2 operates in limit power rating.
It is difficult to avoid scheduling caused by train casts anchor on the way for the emergency driving for realizing train by battery 202 as a result,
The problem of, while avoiding failure train occupation working line.
A specific embodiment according to the present invention, train 2 can be straddle-type monorail train.
According to one embodiment of present invention, as shown in figure 12, train 2 further includes：Bogie 20 and car body 30, wherein
Bogie 20 is suitable for straddle seat on track girder；Car body 30 is connected with bogie 20 and is travelled along track girder by the traction of bogie 20.
According to one embodiment of present invention, as shown in figure 12, bogie 20 includes：Bogie frame 21, travelling wheel 22,
Power plant 23 and horizontal wheels 24, wherein bogie frame 21 is connected suitable for straddle seat on track girder and with car body 30；Travelling wheel
22 are pivotably mounted on bogie frame 21 and coordinate on the upper surface of track girder；Power plant 23 is mounted on bogie
It is sequentially connected on framework 21 and with travelling wheel 22；Horizontal wheels 24 are pivotably mounted on bogie frame 21 and coordinate in track
On the side surface of beam.
According to one embodiment of present invention, as shown in figure 12, bogie 20 further includes:Draft gear 25 and supported and suspended
Device 26, wherein draft gear 25 is mounted on bogie frame 21 and is connected with car body 30；Supported and suspended device 26 is mounted on
It is connected on bogie frame 21 and with car body 30.
As described above, as shown in figure 11, by taking the voltage class of Traction networks is 750VDC as an example, the braking of the embodiment of the present invention
The strategy of the recycling and reuse of electric energy is specific as follows：
One) recycling of electric energy is braked
According to one embodiment of present invention, in train braking, according to the voltage of Traction networks, the electricity of on-vehicle battery 202
Amount and Traction networks 1 on train 2 quantity come integrate carry out braking electric energy distribution, braking electric energy feed back to Traction networks 1 it
Afterwards, consumption absorption first is carried out by other vehicles on train, superfluous braking electric energy preferentially controls battery by the first controller 205
202 are absorbed, and when on-vehicle battery 202 can not absorb or absorbability is limited, energy-accumulating power station is controlled by second controller 301
3 are absorbed.
Specifically, as shown in figure 11, when being braked to train 2, braking electric energy feeds back to Traction networks, first determines whether battery
Whether 202 electricity Q is less than or equal to the first power threshold Q1, if electricity Q is less than or equal to the first power threshold Q1, battery
202 can absorb braking electric energy, at this point, the first controller 205 monitors the voltage U of Traction networks in real time, if the row on Traction networks 1
Load on vehicle negligible amounts, that is, Traction networks 1 is smaller or Traction networks 1 on the train braked it is more, the electricity of Traction networks can be caused
The raising of pressure, when the voltage U of Traction networks 1 is more than the first predetermined threshold value U1, such as when 845V, the battery 202 of control train 2 absorbs
Brake electric energy；If the voltage U of Traction networks 1 continues to increase after the battery of train 2 is absorbed, as the voltage U of Traction networks
More than the 4th predetermined threshold value U4, such as when 855V, second controller 301 controls energy-accumulating power station 3 and absorbs braking electric energy.In the present invention
Embodiment in, after control battery 202 and energy-accumulating power station 3 absorb braking electric energy, the voltage U of Traction networks 1 can be reduced, when leading
The voltage U for drawing net 1 is less than or equal to the second predetermined threshold value U2, such as when 830V, controls battery 202 and energy-accumulating power station 3 stops absorbing
Braking energy.
That is, as shown in figure 11, when the voltage U of Traction networks reaches the 4th predetermined threshold value U4, controlling energy-accumulating power station 3
Start to absorb braking electric energy；When the voltage U of Traction networks, which is more than the first predetermined threshold value U1, is less than the 4th predetermined threshold value U4, control electricity
Pond 202 absorbs braking electric energy；When the voltage U of Traction networks is less than the second predetermined threshold value U2, braking electric energy only feeds back to Traction networks
1。
Two) recycling of electric energy is braked
When the train run in the starting of train 2 or Traction networks 1 is more, the voltage U of Traction networks 1 can be reduced, and at this time will
The braking electric energy that battery 202 and energy-accumulating power station 3 recycle is discharged into the electric energy loss that Traction networks 1 can be supplemented on Traction networks 1.Specifically
Ground, first determines whether the electricity Q of battery 202 is more than or equal to the second power threshold Q2, if electricity Q is more than or equal to the second electricity
Threshold value Q2, then battery 202 can discharge, at this point, the voltage U of the real-time monitoring Traction networks of second controller 301, works as Traction networks
Voltage U be less than the 5th predetermined threshold value U5, such as when 810V, control energy-accumulating power station 3 discharges.Further, the first control
Device 205 monitors the voltage U of Traction networks, and judges whether the voltage U of Traction networks is less than the 7th predetermined threshold value U7, if the first control
Device 205 judges whether the voltage U of Traction networks is less than the 7th predetermined threshold value U7, then second controller 301 controls energy-accumulating power station 3 and carries out
Electric discharge, meanwhile, the first controller 205 control two-way DC/DC converters 204 enter discharge mode so that train 2 battery 202 to
Traction networks 1 discharge.
In addition to this, when power supply trouble occurs for Traction networks 1, battery 202 can be controlled and enter discharge mode, to realize row
The emergency driving of vehicle 2.
In this way, the braking power consumption that absorbed in battery 202 and energy-accumulating power station 301 can be fallen, in order to 202 He of battery
Energy-accumulating power station 301 continues the recycling of braking energy, saves operation cost.
To sum up, the braking recovery system of the train proposed according to embodiments of the present invention, control centre for Traction networks to powering
Substation be monitored, and control multiple energy-accumulating power stations when substation breaks down and discharge.The present invention is implemented as a result,
Example carries out emergency service, it is ensured that train when substation, which breaks down, to be Traction networks using the energy-accumulating power station on Traction networks
Normal operation.Moreover, the first controller prepares electric appliance and two-way DC/DC converters in train braking time control will brake electric energy feedback
To Traction networks, and two-way DC/DC converters is controlled according to the voltage of Traction networks, the braking electric energy of train is inhaled by battery
It receives, when the voltage of Traction networks continues to increase, energy-accumulating power station is recycled to be absorbed.In addition, energy-accumulating power station can also be according to leading
The voltage for drawing net discharges to Traction networks, to avoid the brownout of Traction networks, maintains the normal work of Traction networks.At this
In inventive embodiments, braking electric energy is first fed back into Traction networks when train is braked, at this time if train on Traction networks
Compare more, then the braking electric energy of feedback can uniformly be arrived to other trains, therefore the voltage of Traction networks will not increase very much.Otherwise such as
Train of the fruit at this time on Traction networks is less, or the train braked at this time is more, then the voltage of Traction networks will increase, in this hair
It in bright embodiment, is preferentially absorbed using on-vehicle battery, if the voltage of Traction networks is after of continuing rising after on-vehicle battery absorption
Height then reuses energy-accumulating power station and is absorbed.Since on-vehicle battery is just mounted on train, preferentially carried out using battery
It absorbs, it is excessive to avoid the occurrence of braking electric energy, can not be rapidly absorbed or consume, so as to cause the asking of being burned out of electric appliance of Traction networks
Topic.The embodiment of the present invention absorbs braking electric energy by battery on train and energy-accumulating power station, to realize braking electricity
The recycling and reuse of energy, reduce energy waste, reduce the load of Traction networks.Also, the embodiment of the present invention can also be effective
The voltage of Traction networks is monitored, system parts are protected, improves security of system.
Figure 13 is the block diagram according to the control centre for train scheduling of the embodiment of the present invention.Such as Figure 13 institutes
Show, the control centre 4 dispatched for train 2 includes：Communication device 401, monitoring device 402 and control device 403.
Wherein, communication device 401 with train 2 and energy-accumulating power station 3 for being communicated；Monitoring device 402 is used for to lead
The substation 5 for drawing the power supply of net 1 is monitored；Control device 403 when substation 5 breaks down for controlling multiple energy-accumulating power stations
3 discharge.
That is, monitoring device 402 can be communicated to obtain the working condition of substation 5, e.g. with substation 5
It is no to break down.And communication device 401 can be communicated with each energy-accumulating power station 3 to be put with controlling each energy-accumulating power station 3
Electricity.
Specifically, monitoring device 402 can in real time be monitored substation 5, if substation 5 breaks down, say
Bright electric network fault occur, Traction networks can not take electricity from power grid, i.e., train 2 is powered after Traction networks can not take electricity from power grid, this time control
Device 403 processed can issue control of discharge by communication device 401 after determining that power grid breaks down and instruct to more on Traction networks
A energy-accumulating power station 3, multiple energy-accumulating power stations 3 start to discharge to Traction networks, to be answered for the train 2 that operates on Traction networks
Anxious power supply.
According to one embodiment of present invention, when the electricity of multiple energy-accumulating power stations is less than third power threshold, in control
The battery that the heart 4 controls train discharges.
That is, control centre 4 can also be communicated with multiple energy-accumulating power stations 3 to obtain often by communication device 401
The charge condition of a energy-accumulating power station 3, also, control centre 4 can be communicated with train 2 with to train 2 by communication device 401
It is controlled.
As a result, in one embodiment of the invention, monitoring device 402 can monitor the electricity of multiple energy-accumulating power stations 3 in real time,
If the electricity of multiple energy-accumulating power stations 3 is less than third power threshold, the battery that control device 402 ifs controls train 2 discharges,
And it controls multiple energy-accumulating power stations 3 and stops electric discharge.Alternatively, in another embodiment of the present invention, each energy-accumulating power station 3 can be real-time
The electricity of itself is monitored, if the electricity of multiple energy-accumulating power stations 3 is less than third power threshold, which can be into control
The heart 4, which is sent, stops electric discharge request, and control device 403 stops electric discharge request the battery of train 2 can control to discharge receiving,
And it controls multiple energy-accumulating power stations 3 and stops electric discharge.
In an embodiment of the present invention, electricity can reduce energy-accumulating power station 3 after discharge, when the electricity of energy-accumulating power station 3 is small
When third power threshold Q3, control device 403 is that the battery of control train 2 discharges, and controls multiple energy-accumulating power stations 3 and stop
Only discharge.
Specifically, the discharge power of energy-accumulating power station 3 is restricted, and when energy-accumulating power station 3 is discharged, can be detected in real time
The electricity of energy-accumulating power station 3, and determine whether that energy-accumulating power station 3 discharges according to the electricity of energy-accumulating power station 3.Specifically, exist
When energy-accumulating power station 3 is discharged to Traction networks 1, it can determine whether the electricity of energy-accumulating power station 3 is less than third power threshold Q3, if
The electricity of energy-accumulating power station 3 is less than third power threshold Q3, then the maximum allowable discharge power of energy-accumulating power station 3 is limited to 0, control
Energy-accumulating power station 3 stops electric discharge.
The control centre for train scheduling proposed according to embodiments of the present invention as a result, by monitoring device to lead
The substation for drawing net power supply is monitored, and then control device controls multiple energy-accumulating power stations when substation breaks down and put
Electricity.The embodiment of the present invention is carried out when substation, which breaks down, to be Traction networks using the energy-accumulating power station on Traction networks as a result,
Emergency service, it is ensured that train normal operation.
Figure 14 is the flow chart of the braking recovery method of train according to the ... of the embodiment of the present invention.As shown in figure 14, the braking
Recovery method includes the following steps：
S1：Monitoring is the substation of Traction networks power supply, wherein Traction networks are connected with multiple energy-accumulating power stations.
S2：Multiple energy-accumulating power stations are controlled when substation breaks down to discharge.
Wherein, control centre can be communicated with substation to obtain the working condition of substation, for example whether event occurs
Barrier.And control centre can also be communicated with each energy-accumulating power station is discharged with controlling each energy-accumulating power station.
Specifically, control centre can in real time be monitored substation, if substation breaks down, illustrate occur
Electric network fault, Traction networks can not take electricity from power grid, i.e., Traction networks can not take electricity from power grid after train power supply, at this time control centre exist
Determine and issue control of discharge after power grid breaks down and instruct to multiple energy-accumulating power stations on Traction networks, multiple energy-accumulating power stations start to
Traction networks 1 discharge, to carry out emergency service to operate in the train on Traction networks.
According to one embodiment of present invention, the braking recovery method of train further includes：Detect the electricity of multiple energy-accumulating power stations
Amount；When the electricity of multiple energy-accumulating power stations is less than third power threshold, the battery for controlling train discharges.
That is, control centre can also be by being communicated with multiple energy-accumulating power stations to obtain the electricity of each energy-accumulating power station
Situation is measured, also, control centre can be by being communicated with train to control train.
As a result, in one embodiment of the invention, control centre can monitor the electricity of multiple energy-accumulating power stations in real time, if
The electricity of multiple energy-accumulating power stations is less than third power threshold, and the battery that control centre then controls train discharges, and controls more
A energy-accumulating power station stops electric discharge.Alternatively, in another embodiment of the present invention, each energy-accumulating power station can monitor itself in real time
Electricity, if the electricity of multiple energy-accumulating power stations is less than third power threshold, which can send to control centre stops putting
Electric request, control centre discharges in the battery for receiving the controllable train of request that stops discharging, and controls multiple energy storage electricity
Stopping of standing is discharged.
In an embodiment of the present invention, electricity can reduce energy-accumulating power station after discharge, when the electricity of energy-accumulating power station is less than
When third power threshold Q3, control centre is that the battery of control train discharges, and controls multiple energy-accumulating power stations and stop electric discharge.
Specifically, the discharge power of energy-accumulating power station is restricted, and when energy-accumulating power station is discharged, can detect storage in real time
The electricity in energy power station, and determine whether that energy-accumulating power station discharges according to the electricity of energy-accumulating power station.Specifically, in energy storage electricity
It stands when being discharged to Traction networks, can determine whether the electricity of energy-accumulating power station is less than third power threshold Q3, if energy-accumulating power station
Electricity be less than third power threshold Q3, then the maximum allowable discharge power of energy-accumulating power station is limited to 0, control energy-accumulating power station stops
Only discharge.
The braking recovery method of the train proposed according to embodiments of the present invention as a result, monitors the power transformation powered for Traction networks
It stands, and when the substation breaks down, controls multiple energy-accumulating power stations and discharge.The embodiment of the present invention is in power transformation as a result,
When failure of standing can not be Traction networks, emergency service is carried out using the energy-accumulating power station on Traction networks, it is ensured that train normal operation.
Further, according to one embodiment of present invention, as shown in figure 15, the braking recovery method of train further includes：
S10：The distributor of train and two-way DC/DC converters are controlled in train braking will brake electric energy feedback to traction
Net.
S20：Detect the voltage U of Traction networks.
S30：The two-way DC/DC converters of train are controlled by the battery of train to train according to the voltage of the Traction networks
Braking electric energy is absorbed.
In addition, the braking recovery method of train further includes：Detect the voltage of Traction networks；It is controlled and is stored up according to the voltage of Traction networks
It can power station progress charge or discharge.
Specifically, when train is braked, braking electric energy is generated according to brake force, and braking electric energy is fed back to and is led
Draw net.When the load on train negligible amounts, that is, Traction networks on Traction networks is smaller or Traction networks on the train braked it is more
When, feeding back to the braking electric energy on Traction networks can be more than the electric energy needed for the train operation on Traction networks, so as to cause Traction networks
Voltage U increase, monitor the voltage U of Traction networks in real time, when the voltage U of Traction networks is increased, control battery first and absorb braking
Electric energy.Meanwhile continue monitor Traction networks voltage, if control train battery absorbed after Traction networks voltage U
Continue to increase, then controls energy-accumulating power station absorption braking electric energy and charge.Similarly, when the train quantity on Traction networks is more,
When load i.e. on Traction networks is larger, the voltage U of Traction networks can be reduced, and the voltage U of Traction networks be monitored in real time, when the electricity of Traction networks
When U being pressed to reduce, energy-accumulating power station is controlled first and is discharged to improve the voltage of Traction networks, if the voltage U of Traction networks continues to drop
It is low, then it controls battery and discharges to improve the voltage of Traction networks.
It should be noted that battery setting is ON TRAINS, braking electric energy can be quickly absorbed, due to energy-accumulating power station and train
The distance between farther out, cause energy-accumulating power station absorb braking electric energy lag.Therefore, preferential selection is electric in an embodiment of the present invention
Pond absorbs braking electric energy, to realize the quick absorption of braking electric energy, to prevent the braking electric energy for not absorbed or being consumed from drawing
The voltage U for playing Traction networks is increased, and is protected the parts of system, is avoided the electric appliance on Traction networks from damaging, improve the peace of system
Quan Xing.
Another specific embodiment according to the present invention, if it is not have on Traction networks there was only rows of vehicle operations on Traction networks
There are other trains to absorb braking electric energy, and the braking electric energy that train braking generates is larger, then brakes electric energy mainly by energy-accumulating power station
It absorbs, such as control battery absorbs the 30% of braking electric energy first, then controls energy-accumulating power station absorbs braking electric energy 70%, with
Complete the recycling of braking electric energy.
Another specific embodiment according to the present invention, if there is multiple row train operation on Traction networks, and in energy-accumulating power station
After absorbing braking electric energy, the voltage U of Traction networks continues to increase, then can be by the non-brake train on Traction networks to non-system
The battery of dynamic train charges.Assuming that the braking electric energy for not absorbed or being consumed on Traction networks is Q ＇, there are N row row on Traction networks
The average value of vehicle, then the braking electric energy that the battery of each train absorbs on Traction networks is Q ＇/N.
The embodiment of the present invention absorbs braking electric energy by the battery controlled on train as a result, realizes returning for braking electric energy
It receives and recycles, reduce energy waste, reduce the load of Traction networks.Also, the embodiment of the present invention can be led with effective monitoring
Draw the voltage of net, protect system parts, improves security of system.
According to one embodiment of present invention, two-way DC/DC converters are controlled according to the voltage of Traction networks and passes through train
Battery to the braking electric energy of train absorb and be specifically included：Judge whether the voltage of Traction networks is more than the first predetermined threshold value, example
Such as 845V；If the voltage of Traction networks be more than the first predetermined threshold value, control two-way DC/DC converters enter charge mode so that
Braking electric energy is stated in battery suction.At this point, it is the voltage with battery to control two-way DC/DC converters by high-tension side DC power conversion
The direct current matched absorbs braking electric energy to charge the battery i.e. control battery.
In an embodiment of the present invention, if controlling two-way DC/DC enters discharge mode, the direct current that battery is provided
Be changed into the direct current with the voltage matches of Traction networks, with control battery discharged i.e. by the braking electric energy stored in battery it is anti-
It is fed to Traction networks.
According to one embodiment of present invention, after control battery absorbs braking electric energy, the voltage of Traction networks can decline,
Two-way DC/DC converters are controlled according to the voltage of Traction networks the braking electric energy of train is absorbed by the battery of train also wrap
It includes：Judge whether the voltage of Traction networks is less than the second predetermined threshold value, such as 830V；If it is default that the voltage of Traction networks is less than second
Threshold value then controls battery and stops absorbing braking electric energy, wherein the second predetermined threshold value is less than the first predetermined threshold value.
Specifically, as shown in figure 16, it is specifically included when being recycled to the braking electric energy of train by battery following
Step：
S101：Train is braked, and braking electric energy is generated according to brake force, and braking electric energy is fed back into traction
Net.
S102：The voltage U of monitoring Traction networks in real time.
S103：Judge whether the voltage U of Traction networks is more than the first predetermined threshold value U1 such as 845V.
If so, explanation feeds back to the braking electric energy surplus on Traction networks at this time, S104 is thened follow the steps；If not, saying
The bright load requirement fed back at this time on the braking electric energy on Traction networks and Traction networks has basically reached balance, thens follow the steps
S105。
S104：It controls battery and absorbs partial brake electric energy.
S105：Judge whether the voltage U of Traction networks is less than the second predetermined threshold value U2 such as 830V.
If so, thening follow the steps S106；If not, thening follow the steps S103.
S106：It controls battery to stop absorbing braking electric energy, the braking electric energy that train generates feeds back to Traction networks.
The embodiment of the present invention preferentially selects the battery of train to absorb braking electric energy, to realize the quick absorption of braking electric energy,
To prevent the braking electric energy not consumed from the voltage U of Traction networks being caused to increase, avoid the device failure on Traction networks.
According to one embodiment of present invention, specific according to the control energy-accumulating power station progress charge or discharge of the voltage of Traction networks
Include the following steps：Judge whether the voltage of Traction networks is more than the 4th predetermined threshold value, such as 855V；If the voltage of Traction networks is big
In the 4th predetermined threshold value, then controls energy-accumulating power station and charge.In an embodiment of the present invention, it is absorbed in the battery of control train
After braking electric energy, at this time since the train on Traction networks is less, or the train braked at this time is more, therefore the electricity of Traction networks
Pressure can also continue to increase.When the voltage U of Traction networks is more than the 4th predetermined threshold value U4, control energy-accumulating power station absorbs electricity from Traction networks
It can charge, to avoid the voltage of Traction networks from reaching maximum rated voltage.
According to one embodiment of present invention, energy-accumulating power station progress charge or discharge are controlled according to the voltage of Traction networks also to wrap
It includes：Judge whether the voltage of Traction networks is less than the 5th predetermined threshold value, such as 810V；If it is default that the voltage of Traction networks is less than the 5th
Threshold value then controls energy-accumulating power station and discharges, wherein the 5th predetermined threshold value is less than the 4th predetermined threshold value.In the implementation of the present invention
In example, if the more voltage that may result in Traction networks of train on Traction networks declines, at this time in order to avoid the voltage of Traction networks
Reach minimum rated voltage, control energy-accumulating power station is needed to discharge to Traction networks.In one particular embodiment of the present invention,
There are multiple energy-accumulating power stations on Traction networks, and the preferential energy-accumulating power station for selecting electricity high discharges to Traction networks, such as the storage that electricity is high
The power of energy power station electric discharge is big, and the power of the low energy-accumulating power station electric discharge of electricity is smaller, to reach the electricity between energy-accumulating power station
Balance.
According to one embodiment of present invention, after energy-accumulating power station discharges to Traction networks, the braking recovery method of train
Further include：Judge whether the voltage of Traction networks is more than the 6th predetermined threshold value；If the voltage of Traction networks is more than the 6th predetermined threshold value,
It then controls energy-accumulating power station and stops electric discharge, wherein the 6th predetermined threshold value is more than the 5th predetermined threshold value.
According to one embodiment of present invention, the braking recovery method of train further includes：Judge Traction networks voltage whether
Less than the 7th predetermined threshold value；If the voltage of Traction networks is less than the 7th predetermined threshold value, controls energy-accumulating power station and carried out to Traction networks
Electric discharge, meanwhile, it controls two-way DC/DC converters and enters discharge mode so that the battery of train discharges to Traction networks, wherein
7th predetermined threshold value is less than the 5th predetermined threshold value.In the present embodiment, if the voltage U of Traction networks is too small, energy storage electricity is controlled
It stands and the battery of train discharges, to quickly improve the voltage of Traction networks.
Specifically, as shown in figure 17, in an embodiment of the present invention, control energy-accumulating power station to the braking electric energy of train into
Following steps are specifically included when row recycling：
S201：Monitor the voltage U of Traction networks.
S202：Judge whether the voltage U of Traction networks is more than the 4th predetermined threshold value U4 such as 855V.
If so, the braking electric energy that explanation is fed back at this time on Traction networks is excessive, S203 is thened follow the steps；If
It is no, then follow the steps S204.
S203：Control energy-accumulating power station charges.
Specifically, braking electric energy is absorbed by energy-accumulating power station, the pressure that battery absorbs braking electric energy can be mitigated, to
It is more than the maximum rated voltage Un of Traction networks to avoid the voltage U of Traction networks.
S204：Judge whether the voltage U of Traction networks is less than the 5th predetermined threshold value U5 such as 810V.
If so, thening follow the steps S205；If it is not, then repeating step S204.
S205：Control energy-accumulating power station discharges.
S206：Monitor the voltage U of Traction networks.
S207：Judge whether the voltage U of Traction networks gos up.
If so, thening follow the steps S208；If not, thening follow the steps S210.
S208：Judge whether the voltage U of Traction networks is more than the 6th predetermined threshold value U6 such as 830V.
If so, explanation feeds back to the braking electric energy on Traction networks at this time and the load on Traction networks has been basically reached and put down
Weighing apparatus, thens follow the steps S209；If it is not, then repeating step 208.
S209：It controls energy-accumulating power station and stops electric discharge.
S210：Judge whether the voltage U of Traction networks is less than the 7th predetermined threshold value U7.
If so, thening follow the steps S211；If it is not, then repeating step S210.
S211：Control energy-accumulating power station discharges to Traction networks, meanwhile, control battery discharges to Traction networks.
According to one embodiment of present invention, after battery absorbs braking electric energy, the braking recovery method of train also wraps
It includes：Judge whether the voltage of Traction networks is more than third predetermined threshold value；If the voltage of Traction networks is more than third predetermined threshold value, control
Train processed carries out mechanical braking cooperation implementation electric braking and is braked to train, wherein it is default that third predetermined threshold value is more than first
Threshold value.In an embodiment of the present invention, if the train on Traction networks is less, or the train braked at this time is more, then in electricity
After pond and energy-accumulating power station absorb braking electric energy, the voltage U of Traction networks will continue to increase, when the voltage of Traction networks is pre- more than third
If when threshold value U3, control train carries out mechanical braking, to carry out auxiliary braking to train.
Specifically, after battery and energy-accumulating power station absorb braking electric energy, the voltage U of Traction networks will continue to increase, real
When monitor the voltage U of Traction networks and control train if the voltage U of Traction networks is more than third predetermined threshold value U3 and carry out mechanical system
It is dynamic, in this way, auxiliary braking is carried out to train by mechanical braking while carrying out electric braking to train, to reduce train generation
Braking electric energy, to avoid the voltage U of Traction networks from reaching maximum rated voltage, and may be implemented precisely quickly parking.
According to one embodiment of present invention, the braking recovery method of train further includes：Whether the contactor of detection train
It disconnects；If detecting that contactor disconnects, it is train power supply to control battery, and controls train limit Power operation.
Specifically, when detecting that contactor disconnects, illustrate that train is in abnormal electrical power supply state, judge that train enters and answer
Anxious drive mode, and emergent traction signal is sent out, it is discharged with controlling battery, at this point, battery is train power supply.Meanwhile it controlling
The discharge power of battery processed is less than or equal to predetermined power threshold value such as 70KW, so that train operation is in limit power rating.
The emergency driving for realizing train by battery as a result, avoids scheduling difficulty caused by train casts anchor on the way
Problem, while avoiding failure train occupation working line.
According to one embodiment of present invention, the braking recovery method of train further includes：The electricity of battery is detected, and is judged
Whether the electricity of battery is more than the first power threshold, such as 80%；If the electricity of battery is more than the first power threshold, control
Two-way DC/DC converters are closed so that battery stops absorbing braking electric energy.In an embodiment of the present invention, the charge power of battery
It is restricted with discharge power, battery electricity after absorbing braking electric energy can increase, if the electricity of battery is excessive, can influence electricity
The service life in pond, when electricity Q is more than the first power threshold Q1, control battery stops absorbing braking electric energy.
According to one embodiment of present invention, when battery is discharged to Traction networks, the braking recovery method of train is also
Including：The electricity of battery is detected, and judges whether the electricity of battery is less than the second power threshold, such as 50%；If battery
Electricity is less than the second power threshold, then controls two-way DC/DC converters and close so that battery stops electric discharge.In the implementation of the present invention
In example, electricity can reduce battery after discharge, and when electricity Q is less than the second power threshold Q2, control battery stops electric discharge.
Specifically, the charge power and discharge power of battery are limited by method shown in Figure 18.
S301：Judge whether train is in emergency driving pattern.
If it is, repeating step S301；If not, thening follow the steps S302.
S302：The electricity Q of detection battery in real time.
S303：Judge whether the electricity Q of battery is more than the first power threshold Q1 such as 80%.
If so, thening follow the steps S304；If not, thening follow the steps S305.
S304：Battery is controlled to stop absorbing braking electric energy.At this point, the maximum allowable charge power of battery is limited to 0.
S305：Judge whether the electricity Q of battery is less than the second power threshold Q2 such as 50%.
If so, thening follow the steps S306；If not, thening follow the steps S307.
S306：It controls battery and stops electric discharge.At this point, the maximum allowable discharge power of battery is limited to 0.
S307：Terminate.
It should be noted that step S303 and S304 are executed in battery charging process, S305 and S306 are in battery for step
It is executed in discharge process.
As described above, as shown in Figures 19 and 20, the specific step of the recycling and reuse of the braking electric energy of the embodiment of the present invention
It is rapid as follows：
One) recycling of electric energy is braked
S401：Train is braked, and braking electric energy is generated according to brake force, and braking electric energy is fed back into traction
Net.
S402：Judge whether the electricity Q of battery is less than or equal to the first power threshold Q1.
If so, thening follow the steps S403；If it is not, then repeating step S402.
S403：The voltage U of monitoring Traction networks in real time.
S404：Judge whether the voltage U of Traction networks is more than the first predetermined threshold value U1 such as 845V.
If so, thening follow the steps S405；If not, thening follow the steps S406.
S405：It controls battery and absorbs braking electric energy.
S406：Control battery does not absorb braking energy.
S407：Judge whether the voltage U of Traction networks is more than the 4th predetermined threshold value U4 such as 855V.
If so, thening follow the steps S408；If not, thening follow the steps S404.
S408：It controls energy-accumulating power station and absorbs braking electric energy.
Two) recycling of electric energy is braked
S501：Judge whether the electricity Q of battery is more than or equal to the second power threshold Q2.
If so, thening follow the steps S502；If it is not, then repeating step S501.
S502：Monitor the voltage U of Traction networks.
S503：Judge whether the voltage U of Traction networks is less than the 5th predetermined threshold value U5 such as 810V.
If so, thening follow the steps S504；If not, thening follow the steps S505.
S504：Control energy-accumulating power station discharges.
S505：Energy-accumulating power station is controlled without electric discharge.
S506：Judge whether the voltage U of Traction networks is less than the 7th predetermined threshold value U7.
If so, thening follow the steps S507；If it is not, then repeating step S506.
S507：Control energy-accumulating power station discharges to Traction networks, meanwhile, control battery discharges to Traction networks.
In addition to this, when power supply trouble occurs for Traction networks, battery can be controlled and enter discharge mode, to realize train
Emergency driving.
In this way, the braking power consumption that absorbed in battery and energy-accumulating power station can be fallen, in order to battery and energy-accumulating power station
The recycling for continuing braking energy, saves operation cost.
To sum up, the braking recovery method of the train proposed according to embodiments of the present invention, monitors the power transformation powered for Traction networks
It stands, and when the substation breaks down, controls multiple energy-accumulating power stations and discharge.The embodiment of the present invention is in power transformation as a result,
When failure of standing can not be Traction networks, emergency service is carried out using the energy-accumulating power station on Traction networks, it is ensured that train normal operation.
Moreover, in embodiments of the present invention, can also first be braked to train, and braking electric energy is generated according to brake force, and will braking
Electric energy feeds back to Traction networks, then monitors the voltage of Traction networks, and control braking of the battery to train according to the voltage of Traction networks
Electric energy is absorbed, and continues the voltage for monitoring Traction networks, and judge whether the voltage of Traction networks continues to increase, if it is determined that traction
The voltage of net continues height, then controls energy-accumulating power station and absorb braking electric energy.It is stored up further, it is also possible to be controlled according to the voltage of Traction networks
Energy power station is discharged, and to avoid the brownout of Traction networks, maintains the normal work of Traction networks.In the embodiment of the present invention
In, braking electric energy is fed back into Traction networks first after being braked to train, and judge the train quantity on Traction networks, at this time such as
Train on fruit Traction networks is relatively more, then the braking electric energy of feedback is uniformly arrived other trains, and the voltage of Traction networks will not increase
Very much., whereas if the train on Traction networks is less, or the train braked at this time is more, then the voltage of Traction networks can be quick
It increases, in an embodiment of the present invention, priority acccess control on-vehicle battery absorbs braking electric energy, if vehicle-mounted electric energy absorbs braking electric energy
The voltage of Traction networks continues to increase later, then controls energy-accumulating power station and absorb braking electric energy.Due to on-vehicle battery be mounted on train it
On, thus priority acccess control battery absorb braking electric energy, avoid the occurrence of braking electric energy it is excessive, can not be rapidly absorbed or consume, from
And the problem of causing the electric appliance of Traction networks to be burned out.The embodiment of the present invention is by controlling battery and energy-accumulating power station absorption on train
Electric energy is braked, to realize the recycling and reuse of braking electric energy, reduces energy waste, reduces the load of Traction networks.And
And the embodiment of the present invention can be protected system parts, improved security of system with the voltage of effective monitoring Traction networks.
Figure 21 is the flow chart of the control method according to the ... of the embodiment of the present invention for train scheduling.As shown in figure 21, side
Method includes the following steps：
S100：Monitoring is the substation of Traction networks power supply, wherein Traction networks are connected with multiple energy-accumulating power stations.
S200：When substation breaks down by communicated with multiple energy-accumulating power stations with control multiple energy-accumulating power stations into
Row electric discharge.
Wherein, control centre can be communicated with substation to obtain the working condition of substation, for example whether event occurs
Barrier.And control centre can also be communicated with each energy-accumulating power station is discharged with controlling each energy-accumulating power station.
Specifically, control centre can in real time be monitored substation, if substation breaks down, illustrate occur
Electric network fault, Traction networks can not take electricity from power grid, i.e., Traction networks can not take electricity from power grid after train power supply, at this time control centre exist
Determine and issue control of discharge after power grid breaks down and instruct to multiple energy-accumulating power stations on Traction networks, multiple energy-accumulating power stations start to
Traction networks 1 discharge, to carry out emergency service to operate in the train on Traction networks.
Specifically, according to one embodiment of present invention, further include for the control method of train scheduling：Detect multiple storages
The electricity in energy power station；When the electricity of multiple energy-accumulating power stations is less than third power threshold, the battery for controlling train discharges.
That is, control centre can also be by being communicated with multiple energy-accumulating power stations to obtain the electricity of each energy-accumulating power station
Situation is measured, also, control centre can be by being communicated with train to control train.
As a result, in one embodiment of the invention, control centre can monitor the electricity of multiple energy-accumulating power stations in real time, if
The electricity of multiple energy-accumulating power stations is less than third power threshold, and the battery that control centre then controls train discharges, and controls more
A energy-accumulating power station stops electric discharge.Alternatively, in another embodiment of the present invention, each energy-accumulating power station can monitor itself in real time
Electricity, if the electricity of multiple energy-accumulating power stations is less than third power threshold, which can send to control centre stops putting
Electric request, control centre discharges in the battery for receiving the controllable train of request that stops discharging, and controls multiple energy storage electricity
Stopping of standing is discharged.
In an embodiment of the present invention, electricity can reduce energy-accumulating power station after discharge, when the electricity of energy-accumulating power station is less than
When third power threshold Q3, control centre is that the battery of control train discharges, and controls multiple energy-accumulating power stations and stop electric discharge.
Specifically, the discharge power of energy-accumulating power station is restricted, and when energy-accumulating power station is discharged, can detect storage in real time
The electricity in energy power station, and determine whether that energy-accumulating power station discharges according to the electricity of energy-accumulating power station.Specifically, in energy storage electricity
It stands when being discharged to Traction networks, can determine whether the electricity of energy-accumulating power station is less than third power threshold Q3, if energy-accumulating power station
Electricity be less than third power threshold Q3, then the maximum allowable discharge power of energy-accumulating power station is limited to 0, control energy-accumulating power station stops
Only discharge.
To sum up, the control method for train scheduling that proposes according to embodiments of the present invention is monitored and is powered for Traction networks
Substation, and put by being communicated with multiple energy-accumulating power stations with controlling multiple energy-accumulating power stations when substation breaks down
Electricity.The embodiment of the present invention is met an urgent need when substation, which breaks down, to be Traction networks using the energy-accumulating power station on Traction networks
Power supply, it is ensured that train normal operation.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (35)
1. a kind of braking recovery system of train, which is characterized in that including：
Traction networks；
Train, the train include：
Electric brake；
Battery；
Distributor, the distributor are connected with the electric brake, have node between the distributor and the electric brake；
One end of two-way DC/DC converters, the two-way DC/DC converters is connected with the battery, the two-way DC/DC transformation
The other end of device is connected with the node；
First controller；
Multiple energy-accumulating power stations, the multiple energy-accumulating power station are connected with the Traction networks；
Control centre, for being monitored to the substation powered for the Traction networks, when the substation breaks down, control
The multiple energy-accumulating power station is made to discharge；
Wherein, when the electricity of multiple energy-accumulating power stations is less than third power threshold, the control centre controls the electricity of the train
It discharges in pond.
2. the braking recovery system of train as described in claim 1, which is characterized in that first controller respectively with it is described
Distributor is connected with the two-way DC/DC converters, and first controller is used to match described in control in the train braking
Electric appliance and the two-way DC/DC converters will brake electric energy feedback to the Traction networks, and according to the voltage of the Traction networks
The two-way DC/DC converters are controlled to absorb the braking electric energy of the train by the battery.
3. the braking recovery system of train as claimed in claim 2, which is characterized in that
First controller is used to control the two-way DC/DC when the voltage of the Traction networks is more than the first predetermined threshold value and becomes
Parallel operation enters charge mode so that the battery absorbs the braking electric energy.
4. the braking recovery system of train as claimed in claim 3, which is characterized in that
First controller is used to control the two-way DC/DC when the voltage of the Traction networks is less than the second predetermined threshold value and becomes
Parallel operation is closed so that the battery stops absorbing the braking electric energy, wherein it is pre- that second predetermined threshold value is less than described first
If threshold value.
5. the braking recovery system of train as claimed in claim 3, which is characterized in that the train further includes：
Coulometric detector, the coulometric detector are connected with first controller, and the coulometric detector is described for detecting
The electricity of battery, wherein when the battery absorbs the braking electric energy, first controller is used for the electricity in the battery
Amount controls the two-way DC/DC converters and closes so that the battery stops absorbing the braking electricity when being more than the first power threshold
Energy.
6. the braking recovery system of train as claimed in claim 3, which is characterized in that the train further includes：
Mechanical brake, for carrying out mechanical braking to train.
7. the braking recovery system of train as claimed in claim 6, which is characterized in that
After the battery absorbs the braking electric energy, first controller is used for the voltage in the Traction networks more than the
The mechanical brake startup is controlled when three predetermined threshold values coordinates the electric brake to brake the train, wherein institute
It states third predetermined threshold value and is more than first predetermined threshold value.
8. the braking recovery system of train as claimed in claim 1 or 2, which is characterized in that the energy-accumulating power station includes second
Controller, the second controller, which is used to control the energy-accumulating power station according to the voltage of the Traction networks, carries out charge or discharge.
9. the braking recovery system of train as claimed in claim 8, which is characterized in that
The energy-accumulating power station is controlled when the second controller for the voltage in the Traction networks by being more than four predetermined threshold values
It charges.
10. the braking recovery system of train as claimed in claim 9, which is characterized in that
The energy-accumulating power station is controlled when the second controller for the voltage in the Traction networks by being less than five predetermined threshold values
It discharges, wherein the 5th predetermined threshold value is less than the 4th predetermined threshold value.
11. the braking recovery system of train as claimed in claim 10, which is characterized in that led to described in the energy-accumulating power station
After drawing net electric discharge, the second controller is used to control the storage when the voltage of the Traction networks is more than six predetermined threshold values
Energy power station stops electric discharge, wherein the 6th predetermined threshold value is more than the 5th predetermined threshold value.
12. the braking recovery system of train as claimed in claim 8, which is characterized in that
When the voltage of the Traction networks is less than seven predetermined threshold values, the second controller controls the energy-accumulating power station to described
Traction networks discharge, meanwhile, first controller controls the two-way DC/DC converters and enters discharge mode so that described
The battery of train discharges to the Traction networks, wherein the 7th predetermined threshold value is less than the 5th predetermined threshold value.
13. the braking recovery system of train as claimed in claim 12, which is characterized in that when the battery is to the Traction networks
When being discharged, first controller is used to control when the electricity of the battery is less than the second power threshold described two-way
DC/DC converters are closed so that the battery stops electric discharge.
14. the braking recovery system of train as claimed in claim 1 or 2, which is characterized in that the train further includes：
Contactor detector, the contactor detector are connected with first controller, and the contactor detector is for examining
Whether the contactor for surveying the train disconnects, wherein after detecting that the contactor disconnects, first controller is used for
It controls the distributor to close, and controls the two-way DC/DC converters and enter discharge mode so that the battery is the row
Vehicle is powered, and controls the train limit Power operation.
15. the braking recovery system of train as described in claim 1, which is characterized in that the energy-accumulating power station be it is multiple, it is described
Multiple energy-accumulating power stations are arranged according to pre-determined distance interval.
16. the braking recovery system of train as claimed in claim 15, which is characterized in that two institutes are arranged in per 3-6 kilometers
Energy-accumulating power station is stated, the power of the energy-accumulating power station is 0.5-2MW.
17. the braking recovery system of train as described in claim 1, which is characterized in that the train arranges for straddle-type monorail
Vehicle.
18. the braking recovery system of train as claimed in claim 17, which is characterized in that the train further includes：
Bogie, the bogie are suitable for straddle seat on track girder；
Car body, the car body are connected with the bogie and are travelled along the track girder by bogie traction.
19. the braking recovery system of train as claimed in claim 18, which is characterized in that the bogie includes：
Bogie frame, the bogie frame are connected suitable for straddle seat on the track girder and with the car body；
Travelling wheel, the travelling wheel are pivotably mounted on the bogie frame and coordinate in the upper surface of the track girder
On；
Power plant, the power plant is mounted on the bogie frame and is sequentially connected with the travelling wheel, described dynamic
Power apparatus includes the electric brake and driver；
Horizontal wheels, the horizontal wheels are pivotably mounted on the bogie frame and coordinate in the side surface of the track girder
On.
20. the braking recovery system of train as claimed in claim 19, which is characterized in that the bogie further includes:
Draft gear, the draft gear are mounted on the bogie frame and are connected with the car body；
Supported and suspended device, the supported and suspended device are mounted on the bogie frame and are connected with the car body.
21. a kind of control centre for train scheduling, which is characterized in that including：
Communication device, for being communicated with the train and the energy-accumulating power station；
Monitoring device, for being monitored to the substation powered for the Traction networks；
Control device, for when the substation breaks down, controlling the multiple energy-accumulating power station and discharging；
Wherein, when the electricity of multiple energy-accumulating power stations is less than third power threshold, the control centre controls the electricity of the train
It discharges in pond.
22. a kind of braking recovery method of train, which is characterized in that include the following steps：
Monitoring is the substation of Traction networks power supply, wherein the Traction networks are connected with multiple energy-accumulating power stations；
When the substation breaks down, controls multiple energy-accumulating power stations and discharge；
Wherein, the braking recovery method of the train further includes：
Detect the electricity of the multiple energy-accumulating power station；
When the electricity of multiple energy-accumulating power stations is less than third power threshold, the battery for controlling the train discharges.
23. the braking recovery method of train as claimed in claim 22, which is characterized in that further include：
The distributor of the train and two-way DC/DC converters are controlled in the train braking will brake electric energy feedback to described
Traction networks；
Detect the voltage of the Traction networks；
The two-way DC/DC converters of the train are controlled by the battery of the train to described according to the voltage of the Traction networks
The braking electric energy of train is absorbed.
24. the braking recovery method of train as claimed in claim 23, which is characterized in that according to the voltage control of the Traction networks
The two-way DC/DC converters are made to absorb the braking electric energy of the train by the battery of the train, including：
When the voltage of the Traction networks is more than the first predetermined threshold value, controls the two-way DC/DC converters and enter charge mode
So that the battery absorbs the braking electric energy.
25. the braking recovery method of train as claimed in claim 24, which is characterized in that
When the voltage of the Traction networks is less than the second predetermined threshold value, the control two-way DC/DC converters are closed so that described
Battery stops absorbing the braking electric energy, wherein second predetermined threshold value is less than first predetermined threshold value.
26. the braking recovery method of train as claimed in claim 24, which is characterized in that when the battery absorbs the braking
When electric energy, the method further includes：
Detect the electricity of the battery；
If the electricity of the battery is more than the first power threshold, controls the two-way DC/DC converters and close so that described
Battery stops absorbing the braking electric energy.
27. the braking recovery method of train as claimed in claim 24, which is characterized in that absorb the braking in the battery
After electric energy, the method further includes：
Detect the voltage of the Traction networks；
When the voltage of the Traction networks is more than third predetermined threshold value, the mechanical brake for controlling the train starts described in cooperation
The electric brake of train brakes the train, wherein the third predetermined threshold value is more than first predetermined threshold value.
28. the braking recovery method of the train as described in claim 22 or 23, which is characterized in that further include：
Detect the voltage of the Traction networks；
The energy-accumulating power station, which is controlled, according to the voltage of the Traction networks carries out charge or discharge.
29. the braking recovery method of train as claimed in claim 28, which is characterized in that according to the voltage control of the Traction networks
It makes the energy-accumulating power station and carries out charge or discharge, including：
When the voltage of the Traction networks is more than four predetermined threshold values, controls the energy-accumulating power station and charge.
30. the braking recovery method of train as claimed in claim 29, which is characterized in that
It when the voltage of the Traction networks is less than five predetermined threshold values, controls the energy-accumulating power station and discharges, wherein described the
Five predetermined threshold values are less than the 4th predetermined threshold value.
31. the braking recovery method of train as claimed in claim 30, which is characterized in that led to described in the energy-accumulating power station
After drawing net electric discharge, when the voltage of the Traction networks is more than six predetermined threshold values, controls the energy-accumulating power station and stops electric discharge,
In, the 6th predetermined threshold value is more than the 5th predetermined threshold value.
32. the braking recovery method of train as claimed in claim 28, which is characterized in that
When the voltage of the Traction networks is less than seven predetermined threshold values, controls the energy-accumulating power station and put to the Traction networks
Electricity, meanwhile, it controls the two-way DC/DC converters and enters discharge mode so that the battery of the train is carried out to the Traction networks
Electric discharge, wherein the 7th predetermined threshold value is less than the 5th predetermined threshold value.
33. the braking recovery method of train as claimed in claim 32, which is characterized in that when the battery is to the Traction networks
When being discharged, if the electricity of the battery is less than the second power threshold, control the two-way DC/DC converters close with
The battery is set to stop electric discharge.
34. the braking recovery method of the train as described in claim 22 or 23, which is characterized in that further include：
Whether the contactor for detecting the train disconnects；
It after detecting that the contactor disconnects, controls the train distributor and closes, and control the two-way DC/DC transformation
Device enters discharge mode so that the battery is the train power supply, and controls the train limit Power operation.
35. a kind of control method for train scheduling, which is characterized in that include the following steps：
Monitoring is the substation of Traction networks power supply, wherein the Traction networks are connected with multiple energy-accumulating power stations；
When the substation breaks down by communicated with multiple energy-accumulating power stations with control the multiple energy-accumulating power station into
Row electric discharge；
Wherein, the control method for train scheduling further includes：
Detect the electricity of the multiple energy-accumulating power station；
When the electricity of multiple energy-accumulating power stations is less than third power threshold, the battery for controlling the train discharges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610841075.1A CN106809029B (en) | 2016-09-21 | 2016-09-21 | Braking recovery system, the control centre for train scheduling and the method for train |
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| CN201610841075.1A CN106809029B (en) | 2016-09-21 | 2016-09-21 | Braking recovery system, the control centre for train scheduling and the method for train |
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| SE543149C2 (en) | 2018-07-09 | 2020-10-13 | Vattenfall Ab | Electrical power buffer unit for use in railway systems |
| CN111137324A (en) * | 2018-11-06 | 2020-05-12 | 株洲中车时代电气股份有限公司 | Train and traction control system and method thereof |
| CN112849104B (en) * | 2019-11-27 | 2021-11-12 | 比亚迪股份有限公司 | Train brake control method, storage medium, and electronic device |
| CN114179857B (en) * | 2020-09-15 | 2023-09-08 | 中车株洲电力机车研究所有限公司 | Control method and control system of virtual track trolley bus |
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| JP2000233669A (en) * | 1999-02-18 | 2000-08-29 | Meidensha Corp | Power feeding system for dc feeder line |
| FR2915435B1 (en) * | 2007-04-25 | 2009-08-07 | Alstom Transport Sa | SYSTEM, SUBSTATION AND METHOD FOR RECOVERING THE BRAKING ENERGY OF RAILWAY VEHICLES, RAILWAY VEHICLES FOR THIS SYSTEM. |
| CN102303536A (en) * | 2011-04-28 | 2012-01-04 | 同济大学 | Emergency traction system applied to urban mass transit |
| JP5735061B2 (en) * | 2013-08-12 | 2015-06-17 | 株式会社東芝 | Train power supply system |
| CN104986190A (en) * | 2015-06-30 | 2015-10-21 | 北京交通大学 | Method and system for utilizing recovered energy of rail train |
| CN105398353B (en) * | 2015-10-23 | 2019-01-08 | 惠州市亿能电子有限公司 | A kind of rail transit locomotive power-supply system and its control method |
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