CN111532291A - Rail transit network-free self-walking double-output storage battery and bidirectional charger system - Google Patents
Rail transit network-free self-walking double-output storage battery and bidirectional charger system Download PDFInfo
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- CN111532291A CN111532291A CN202010330260.0A CN202010330260A CN111532291A CN 111532291 A CN111532291 A CN 111532291A CN 202010330260 A CN202010330260 A CN 202010330260A CN 111532291 A CN111532291 A CN 111532291A
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- module
- charger
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- lithium titanate
- output interface
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 77
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 105
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 105
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 102
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000003446 memory effect Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- 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
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
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- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
-
- 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
- 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
- B60L2210/20—AC to AC converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to the technical field of rail transit power supply and energy storage, and relates to a power-assisted two-way output storage battery and power-assisted two-way charging and discharging bidirectional charger system for rail transit non-network self-walking, which comprises: the system comprises a bidirectional AC/DC module, a DC/DC module, a lithium titanate storage battery pack, a diode and a contactor; the lithium titanate battery pack provides power for alternating current 380V equipment and self-walking without a network through a bidirectional AC/DC converter. Under the condition that the vehicle is not provided with the net, the vehicle does self-walking without the net. The lithium titanate battery pack stores electric energy, the electric energy is controlled through the contactor, and charging and discharging control is carried out through the positive electrode contactor and the negative electrode contactor. The invention is suitable for various rail transit vehicles, and is safe and reliable.
Description
Technical Field
The invention belongs to the crossing field of a rail transit power supply technology and an energy storage technology, and particularly relates to a power-assisted two-way output storage battery and power-assisted two-way charging and discharging bidirectional charger system for rail transit non-network self-walking.
Background
The rail transit non-net self-walking power-assisted two-way output storage battery and power-assisted two-way charging and discharging bidirectional charger system combines a rail transit power supply technology and a lithium titanate battery energy storage technology to form an independent system which is installed at the bottom of a subway or motor train unit vehicle, and the installation mode is vehicle bottom hoisting. The rail transit such as subway, motor car is regarded as the most green traffic mode with characteristics such as the freight volume is big, fast, safety, environmental protection and energy saving. Due to the large volume of traffic, the power supply system of the vehicle is of particular importance. The train walking mode of the netless self-walking can provide a new power supply mode for the train, and the possibility of self-walking of the train in multiple power supply modes is provided later. In addition, when the vehicle is failed in power receiving, the process of waiting for rescue, if the lithium titanate battery pack can be used as a power supply for the vehicle to walk by itself, the vehicle does not need to be pulled to a station by simply relying on rescue after the normal power supply of the vehicle fails, and then passengers are evacuated. The auxiliary storage battery of the rail transit vehicle is generally a lead-acid battery and a cadmium-nickel battery, and the batteries have the characteristics of short service life, memory effect and the like and do not have power traction capacity. Therefore, the power-assisted two-way output storage battery and power-assisted two-way charge-discharge bidirectional charger system which is safe, reliable and environment-friendly and is self-propelled in rail transit without a network is urgent.
The invention is proved by national standard tests that explosion and fire can not occur under various conditions, and the invention is absolutely safe and reliable.
The invention can realize the net-free self-walking of the train and has the service life of more than 10000 times.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a rail transit netless self-walking power-assisted two-way output storage battery and power-assisted two-way charging and discharging bidirectional charger system, which is arranged at the bottom of a rail transit vehicle, stores electric energy in a battery pack made of lithium titanate after being processed and converted, and can provide electric energy according to the needs.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a rail transit does not have net from the power of walking and assists two-way charge-discharge bidirectional charger system of output battery and power assistance two-way, includes: the system comprises a bidirectional charger AC/DC module I1, a bidirectional charger AC/DC module II 2, a charger DC/DC module I3, a charger DC/DC module II 4, a diode I5, a diode II 6, a charger three-phase alternating current contactor 7, a high-voltage power lithium titanate battery pack 8, a low-voltage auxiliary lithium titanate battery pack I9, a low-voltage auxiliary lithium titanate battery pack II 10, a storage battery total negative contactor 11, a storage battery positive contactor 12, a netless walking negative contactor 13, a netless walking positive contactor 14, an auxiliary 110V positive output interface 15, an auxiliary 110V negative output interface 16, a netless walking negative output interface 17, a netless walking positive output interface 18 and an alternating current 380V output interface 19;
the alternating current 380V output interface 19 is connected with one end of a charger three-phase alternating current contactor 7, the other end of the charger three-phase alternating current contactor 7 is respectively connected with an alternating current AC end of a bidirectional charger AC/DC module I1 and an alternating current AC end of a bidirectional charger AC/DC module II 2, a DC end anode of the bidirectional charger AC/DC module I1 is respectively connected with a DC end anode of the bidirectional charger AC/DC module II 2, a high-voltage side anode of a charger DC/DC module I3, a high-voltage side anode of a charger DC/DC module II 4 and one end of a storage battery anode contactor 12, a DC end cathode of the bidirectional charger AC/DC module I1 is respectively connected with a high-voltage side cathode of the charger DC/DC module II 4, a DC end cathode of the bidirectional charger AC/DC module II 2 and a high-voltage side cathode of the charger DC/DC module I3, One end of the storage battery total negative contactor 11 is connected with one end of the netless walking negative contactor 13, and the low-voltage side anode of the charger DC/DC module I3 is respectively connected with the anode end of the diode I5 and the anode of the low-voltage auxiliary lithium titanate battery pack I9; the cathode end of the diode I5 is respectively connected with the cathode end of the diode II 6 and the auxiliary 110V anode output interface 15;
the low-voltage side negative electrode of the charger DC/DC module I3 is respectively connected with the negative electrode of the low-voltage auxiliary lithium titanate battery pack I9, the auxiliary 110V negative electrode output interface 16 and the low-voltage side negative electrode of the charger DC/DC module II 4;
the other end of the storage battery positive electrode contactor 12 is respectively connected with the positive electrode of the high-voltage power lithium titanate battery pack 8 and one end of the non-network traveling positive electrode contactor 14, and the other end of the non-network traveling positive electrode contactor 14 is connected with a non-network traveling positive electrode output interface 18;
the other end of the storage battery total negative contactor 11 is connected with the negative electrode of the high-voltage power lithium titanate battery pack 8;
the other end of the non-network traveling negative electrode contactor 13 is connected with a non-network traveling negative electrode output interface 17;
the positive electrode of the DC end of the two-way charger AC/DC module II 2 is connected with the positive electrode of the high-voltage side of the charger DC/DC module II 4, the negative electrode of the DC end of the two-way charger AC/DC module II 2 is connected with the negative electrode of the high-voltage side of the charger DC/DC module II 4, and the positive electrode of the low-voltage side of the charger DC/DC module II 4 is respectively connected with the positive electrode of the diode II 6 and the positive electrode of the low-voltage auxiliary lithium titanate battery pack II 10; the cathode end of the diode II 6 is connected with the auxiliary 110V anode output interface 15;
the negative electrode of the low-voltage side of the charger DC/DC module II 4 is respectively connected with the negative electrode of the low-voltage auxiliary lithium titanate battery pack II 10 and the auxiliary 110V negative electrode output interface 16;
when the train is on line, the first bidirectional charger AC/DC module 1 and the second bidirectional charger AC/DC module 2 are used for converting a power supply of the alternating current 380V output interface 19 into direct current voltages of the first charger DC/DC module 3, the second charger DC/DC module 4 and the high-voltage power lithium titanate battery pack 8, and the first charger DC/DC module 3 and the second charger DC/DC module 4 are supplied with power while the high-voltage power lithium titanate battery pack 8 is charged; when the train is not in a network, the high-voltage power lithium titanate battery pack 8 is used for reversely inverting the stored power supply into alternating current 380V, the alternating current 380V is output to an alternating current 380V output interface 19 through a bidirectional charger AC/DC module I1 and a bidirectional charger AC/DC module II 2 in a grid-connected mode to supply power to the train, and the bidirectional charger AC/DC module I1 and the bidirectional charger AC/DC module II 2 are connected in parallel on the output input side to perform redundancy backup;
the charging machine DC/DC module I3 and the charging machine DC/DC module II 4 are used for adjusting the voltage of a high-voltage or high-voltage power lithium titanate battery pack 8 rectified by the bidirectional charging machine AC/DC module I1 and the bidirectional charging machine AC/DC module 2 to be suitable for the voltage of an auxiliary 110V positive electrode output interface 15 and an auxiliary 110V negative electrode output interface 16 to supply power for auxiliary loads of a train, and are also used for charging a low-voltage auxiliary lithium titanate battery pack I9 and a low-voltage auxiliary lithium titanate battery pack II 10, a charging mode uses a lithium battery charging strategy, and the charging machine DC/DC module I3 and the charging machine DC/DC module II 4 are connected in parallel on the output and input sides to perform redundancy backup;
the diode I5 and the diode II 6 are used for preventing the low-voltage auxiliary lithium titanate battery pack I9 and the low-voltage auxiliary lithium titanate battery pack II 10 from being charged and discharged mutually;
the charger three-phase alternating current contactor 7 is used for controlling whether the charger is connected with a 380V output interface 19 or not;
the high-voltage power lithium titanate battery pack 8, the low-voltage auxiliary lithium titanate battery pack I9 and the low-voltage auxiliary lithium titanate battery pack II 10 are used for storing electric energy, and under the condition that the train is not provided with a network, the high-voltage power lithium titanate battery pack 8 is used for converting the stored electric energy into kinetic energy required by the train to travel without the network and supplying power to 380V alternating-current equipment of the train; the low-voltage auxiliary lithium titanate battery pack I9 and the low-voltage auxiliary lithium titanate battery pack II 10 are used for supplying power to a low-voltage auxiliary load of the train;
the storage battery total negative contactor 11 and the storage battery positive contactor 12 are contactors which are put into a high-voltage direct-current side of a charger; the contactor is closed, and the high-voltage direct current side of the charger is connected, namely the DC side of the bidirectional charger AC/DC module I1 and the DC side of the bidirectional charger AC/DC module II 2, the DC/DC module I3 of the charger and the high-voltage direct current side of the charger DC/DC module II 4;
the non-network traveling negative electrode contactor 13 is used for controlling connection between a non-network traveling negative electrode output interface 17 and a negative electrode of the high-voltage power lithium titanate battery pack 8, and the non-network traveling positive electrode contactor 14 is used for controlling connection between a non-network traveling positive electrode output interface 18 and a positive electrode of the high-voltage power lithium titanate battery pack 8;
the auxiliary 110V positive output interface 15 and the auxiliary 110V negative output interface 16 are used for being connected with auxiliary electric equipment of the train;
the non-network running negative output interface 17 and the non-network running positive output interface 18 are used for being connected with train traction equipment and providing electric energy for the traction equipment;
when the train is not in a network, the alternating current 380V output interface 19 is used for being connected with an output interface of 380V alternating current electric equipment of the train, and when the train is in a network, the alternating current 380V output interface 19 serves as a 380V alternating current power supply interface.
On the basis of the technical scheme, the first bidirectional charger AC/DC module 1 and the second bidirectional charger AC/DC module 2 are bidirectional modules, a 380V alternating current power supply is rectified into a high-voltage direct current power supply to charge the high-voltage power lithium titanate battery pack 8, the high-voltage direct current power supply is inverted into a 380V alternating current power supply, and the 380V alternating current power supply is subjected to grid-connected work, so that the converter belongs to a converter product meeting the iron standard requirement.
On the basis of the technical scheme, the storage battery total negative contactor 11 and the storage battery positive contactor 12 are contactors which are supplied with power in a large capacity and a wide range, have bidirectional arc extinguishing capacity and do not distinguish the positive electrode from the negative electrode through main contacts.
On the basis of the technical scheme, the high-voltage power lithium titanate battery pack 8, the low-voltage auxiliary lithium titanate battery pack I9 and the low-voltage auxiliary lithium titanate battery pack II 10 are high in energy density, free of memory effect and good in low-temperature performance and safety performance.
On the basis of the technical scheme, when the train does not run in a network and automatically runs, the high-voltage power lithium titanate battery pack 8 is used for supplying power to the auxiliary 110V positive electrode output interface 15, the auxiliary 110V negative electrode output interface 16, the negative electrode output interface 17 for the network-free running, the positive electrode output interface 18 for the network-free running and the alternating current 380V output interface 19.
The invention has the following beneficial technical effects:
the technical scheme of the invention can realize the functions of no-net self-walking, 380V AC power supply and the like of subways, motor trains and the like, and the lithium titanate batteries are adopted as the batteries, so that the running reliability of the trains is improved, and the processing capacity of the vehicles in treating emergency conditions is enhanced. The invention is suitable for various rail transit vehicles, and is safe and reliable.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic diagram of the system of the present invention.
Reference numerals:
1-a bidirectional charger AC/DC module I, 2-a bidirectional charger AC/DC module II, 3-a charger DC/DC module I, 4-a charger DC/DC module II, 5-a diode I, 6-a diode II, 7-a charger three-phase alternating current contactor, 8-a high-voltage power lithium titanate battery pack, 9-a low-voltage auxiliary lithium titanate battery pack I, 10-a low-voltage auxiliary lithium titanate battery pack II, 11-a storage battery total negative contactor, 12-a storage battery positive contactor, 13-a netless walking negative contactor, 14-a netless walking positive contactor, 15-an auxiliary 110V positive output interface, 16-an auxiliary 110V negative output interface, 17-a netless negative output interface, 18-a netless walking positive output interface, 19-ac 380V output interface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a power-assisted two-way output storage battery and power-assisted two-way charging and discharging bidirectional charger system for rail transit non-network self-walking comprises: the system comprises a bidirectional charger AC/DC module I1, a bidirectional charger AC/DC module II 2, a charger DC/DC module I3, a charger DC/DC module II 4, a diode I5, a diode II 6, a charger three-phase alternating current contactor 7, a high-voltage power lithium titanate battery pack 8, a low-voltage auxiliary lithium titanate battery pack I9, a low-voltage auxiliary lithium titanate battery pack II 10, a storage battery total negative contactor 11, a storage battery positive contactor 12, a netless walking negative contactor 13, a netless walking positive contactor 14, an auxiliary 110V positive output interface 15, an auxiliary 110V negative output interface 16, a netless walking negative output interface 17, a netless walking positive output interface 18 and an alternating current 380V output interface 19;
the alternating current 380V output interface 19 is connected with one end of a charger three-phase alternating current contactor 7, the other end of the charger three-phase alternating current contactor 7 is respectively connected with an alternating current AC end of a bidirectional charger AC/DC module I1 and an alternating current AC end of a bidirectional charger AC/DC module II 2, a DC end anode of the bidirectional charger AC/DC module I1 is respectively connected with a DC end anode of the bidirectional charger AC/DC module II 2, a high-voltage side anode of a charger DC/DC module I3, a high-voltage side anode of a charger DC/DC module II 4 and one end of a storage battery anode contactor 12, a DC end cathode of the bidirectional charger AC/DC module I1 is respectively connected with a high-voltage side cathode of the charger DC/DC module II 4, a DC end cathode of the bidirectional charger AC/DC module II 2 and a high-voltage side cathode of the charger DC/DC module I3, One end of the storage battery total negative contactor 11 is connected with one end of the netless walking negative contactor 13, and the low-voltage side anode of the charger DC/DC module I3 is respectively connected with the anode end of the diode I5 and the anode of the low-voltage auxiliary lithium titanate battery pack I9; the cathode end of the diode I5 is respectively connected with the cathode end of the diode II 6 and the auxiliary 110V anode output interface 15;
the low-voltage side negative electrode of the charger DC/DC module I3 is respectively connected with the negative electrode of the low-voltage auxiliary lithium titanate battery pack I9, the auxiliary 110V negative electrode output interface 16 and the low-voltage side negative electrode of the charger DC/DC module II 4;
the other end of the storage battery positive electrode contactor 12 is respectively connected with the positive electrode of the high-voltage power lithium titanate battery pack 8 and one end of the non-network traveling positive electrode contactor 14, and the other end of the non-network traveling positive electrode contactor 14 is connected with a non-network traveling positive electrode output interface 18;
the other end of the storage battery total negative contactor 11 is connected with the negative electrode of the high-voltage power lithium titanate battery pack 8;
the other end of the non-network traveling negative electrode contactor 13 is connected with a non-network traveling negative electrode output interface 17;
the positive electrode of the DC end of the two-way charger AC/DC module II 2 is connected with the positive electrode of the high-voltage side of the charger DC/DC module II 4, the negative electrode of the DC end of the two-way charger AC/DC module II 2 is connected with the negative electrode of the high-voltage side of the charger DC/DC module II 4, and the positive electrode of the low-voltage side of the charger DC/DC module II 4 is respectively connected with the positive electrode of the diode II 6 and the positive electrode of the low-voltage auxiliary lithium titanate battery pack II 10; the cathode end of the diode II 6 is connected with the auxiliary 110V anode output interface 15;
the negative electrode of the low-voltage side of the charger DC/DC module II 4 is respectively connected with the negative electrode of the low-voltage auxiliary lithium titanate battery pack II 10 and the auxiliary 110V negative electrode output interface 16;
when the train is on line, the first bidirectional charger AC/DC module 1 and the second bidirectional charger AC/DC module 2 are used for converting a power supply of the alternating current 380V output interface 19 into direct current voltages of the first charger DC/DC module 3, the second charger DC/DC module 4 and the high-voltage power lithium titanate battery pack 8, and the first charger DC/DC module 3 and the second charger DC/DC module 4 are supplied with power while the high-voltage power lithium titanate battery pack 8 is charged; when the train is not in a network, the high-voltage power lithium titanate battery pack 8 is used for reversely inverting the stored power supply into alternating current 380V, the alternating current 380V is output to an alternating current 380V output interface 19 through a bidirectional charger AC/DC module I1 and a bidirectional charger AC/DC module II 2 in a grid-connected mode to supply power to the train, and the bidirectional charger AC/DC module I1 and the bidirectional charger AC/DC module II 2 are connected in parallel on the output input side to perform redundancy backup;
the charging machine DC/DC module I3 and the charging machine DC/DC module II 4 are used for adjusting the voltage of a high-voltage or high-voltage power lithium titanate battery pack 8 rectified by the bidirectional charging machine AC/DC module I1 and the bidirectional charging machine AC/DC module 2 to be suitable for the voltage of an auxiliary 110V positive electrode output interface 15 and an auxiliary 110V negative electrode output interface 16 to supply power for auxiliary loads of a train, and are also used for charging a low-voltage auxiliary lithium titanate battery pack I9 and a low-voltage auxiliary lithium titanate battery pack II 10, a charging mode uses a lithium battery charging strategy, and the charging machine DC/DC module I3 and the charging machine DC/DC module II 4 are connected in parallel on the output and input sides to perform redundancy backup;
the diode I5 and the diode II 6 are used for preventing the low-voltage auxiliary lithium titanate battery pack I9 and the low-voltage auxiliary lithium titanate battery pack II 10 from being charged and discharged mutually;
the charger three-phase alternating current contactor 7 is used for controlling whether the charger is connected with a 380V output interface 19 or not;
the high-voltage power lithium titanate battery pack 8, the low-voltage auxiliary lithium titanate battery pack I9 and the low-voltage auxiliary lithium titanate battery pack II 10 are used for storing electric energy, and under the condition that the train is not provided with a network, the high-voltage power lithium titanate battery pack 8 is used for converting the stored electric energy into kinetic energy required by the train to travel without the network and supplying power to 380V alternating-current equipment of the train; the low-voltage auxiliary lithium titanate battery pack I9 and the low-voltage auxiliary lithium titanate battery pack II 10 are used for supplying power to a low-voltage auxiliary load of the train;
the storage battery total negative contactor 11 and the storage battery positive contactor 12 are contactors which are put into a high-voltage direct-current side of a charger; the contactor is closed, and the high-voltage direct current side of the charger is connected, namely the DC side of the bidirectional charger AC/DC module I1 and the DC side of the bidirectional charger AC/DC module II 2, the DC/DC module I3 of the charger and the high-voltage direct current side of the charger DC/DC module II 4;
the non-network traveling negative electrode contactor 13 is used for controlling connection between a non-network traveling negative electrode output interface 17 and a negative electrode of the high-voltage power lithium titanate battery pack 8, and the non-network traveling positive electrode contactor 14 is used for controlling connection between a non-network traveling positive electrode output interface 18 and a positive electrode of the high-voltage power lithium titanate battery pack 8;
the auxiliary 110V positive output interface 15 and the auxiliary 110V negative output interface 16 are used for being connected with auxiliary electric equipment of the train;
the non-network running negative output interface 17 and the non-network running positive output interface 18 are used for being connected with train traction equipment and providing electric energy for the traction equipment;
when the train is not in a network, the alternating current 380V output interface 19 is used for being connected with an output interface of 380V alternating current electric equipment of the train, and when the train is in a network, the alternating current 380V output interface 19 serves as a 380V alternating current power supply interface.
On the basis of the technical scheme, the first bidirectional charger AC/DC module 1 and the second bidirectional charger AC/DC module 2 are bidirectional modules, a 380V alternating current power supply is rectified into a high-voltage direct current power supply to charge the high-voltage power lithium titanate battery pack 8, the high-voltage direct current power supply is inverted into a 380V alternating current power supply, and the 380V alternating current power supply is subjected to grid-connected work, so that the converter belongs to a converter product meeting the iron standard requirement.
On the basis of the technical scheme, the storage battery total negative contactor 11 and the storage battery positive contactor 12 are contactors which are supplied with power in a large capacity and a wide range, have bidirectional arc extinguishing capacity and do not distinguish the positive electrode from the negative electrode through main contacts.
On the basis of the technical scheme, the high-voltage power lithium titanate battery pack 8, the low-voltage auxiliary lithium titanate battery pack I9 and the low-voltage auxiliary lithium titanate battery pack II 10 are high in energy density, free of memory effect and good in low-temperature performance and safety performance.
On the basis of the technical scheme, when the train does not run in a network and automatically runs, the high-voltage power lithium titanate battery pack 8 is used for supplying power to the auxiliary 110V positive electrode output interface 15, the auxiliary 110V negative electrode output interface 16, the negative electrode output interface 17 for the network-free running, the positive electrode output interface 18 for the network-free running and the alternating current 380V output interface 19.
The invention has the following beneficial technical effects:
the technical scheme of the invention can realize the functions of no-net self-walking, 380V AC power supply and the like of subways, motor trains and the like, and the lithium titanate batteries are adopted as the batteries, so that the running reliability of the trains is improved, and the processing capacity of the vehicles in treating emergency conditions is enhanced. The invention is suitable for various rail transit vehicles, and is safe and reliable.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations and modifications can be made on the basis of the above description, and all embodiments cannot be exhaustive, and obvious variations and modifications may be made within the scope of the present invention.
Those not described in detail in this specification are within the skill of the art.
Claims (5)
1. The utility model provides a rail transit does not have net from supplementary double-circuit output battery of power of walking and supplementary double-circuit charge-discharge bidirectional charging machine system of power which characterized in that includes: a bidirectional charger AC/DC module I (1), a bidirectional charger AC/DC module II (2), a charger DC/DC module I (3), a charger DC/DC module II (4), a diode I (5), a diode II (6), a charger three-phase AC contactor (7), a high-voltage power lithium titanate battery pack (8) and a low-voltage auxiliary lithium titanate battery pack I (9), the system comprises a low-voltage auxiliary lithium titanate battery pack II (10), a storage battery total negative contactor (11), a storage battery positive contactor (12), a netless walking negative contactor (13), a netless walking positive contactor (14), an auxiliary 110V positive output interface (15), an auxiliary 110V negative output interface (16), a netless walking negative output interface (17), a netless walking positive output interface (18) and an alternating current 380V output interface (19);
the alternating current 380V output interface (19) is connected with one end of a three-phase alternating current contactor (7) of the charger, the other end of the three-phase alternating current contactor (7) of the charger is respectively connected with an alternating current AC end of an AC/DC module I (1) of the bidirectional charger and an alternating current AC end of an AC/DC module II (2) of the bidirectional charger, a DC end anode of the AC/DC module I (1) of the bidirectional charger is respectively connected with a DC end anode of the AC/DC module II (2) of the bidirectional charger, a high-voltage side anode of the DC/DC module I (3) of the charger, a high-voltage side anode of the DC/DC module II (4) of the charger and one end of a storage battery anode contactor (12), a DC end cathode of the AC/DC module I (1) of the bidirectional charger is respectively connected with a high-voltage side cathode of the DC/DC module II (4) of the charger, a DC end cathode of the AC, The negative electrode of the high-voltage side of the charger DC/DC module I (3), one end of the storage battery total negative contactor (11) and one end of the non-grid traveling negative contactor (13) are connected, and the positive electrode of the low-voltage side of the charger DC/DC module I (3) is respectively connected with the positive electrode end of the diode I (5) and the positive electrode of the low-voltage auxiliary lithium titanate battery pack I (9); the cathode end of the diode I (5) is respectively connected with the cathode end of the diode II (6) and the auxiliary 110V anode output interface (15);
the low-voltage side negative electrode of the charger DC/DC module I (3) is respectively connected with the negative electrode of the low-voltage auxiliary lithium titanate battery pack I (9), the auxiliary 110V negative electrode output interface (16) and the low-voltage side negative electrode of the charger DC/DC module II (4);
the other end of the storage battery positive electrode contactor (12) is respectively connected with the positive electrode of the high-voltage power lithium titanate battery pack (8) and one end of the netless walking positive electrode contactor (14), and the other end of the netless walking positive electrode contactor (14) is connected with the netless walking positive electrode output interface (18);
the other end of the storage battery total negative contactor (11) is connected with the negative electrode of the high-voltage power lithium titanate battery pack (8);
the other end of the non-network traveling negative electrode contactor (13) is connected with a non-network traveling negative electrode output interface (17);
the positive electrode of the DC end of the two-way charger AC/DC module II (2) is connected with the positive electrode of the high-voltage side of the charger DC/DC module II (4), the negative electrode of the DC end of the two-way charger AC/DC module II (2) is connected with the negative electrode of the high-voltage side of the charger DC/DC module II (4), and the positive electrode of the low-voltage side of the charger DC/DC module II (4) is respectively connected with the positive electrode end of the diode II (6) and the positive electrode of the low-voltage auxiliary lithium titanate battery pack II (10); the cathode end of the diode II (6) is connected with the auxiliary 110V anode output interface (15);
the negative electrode of the low-voltage side of the charger DC/DC module II (4) is respectively connected with the negative electrode of the low-voltage auxiliary lithium titanate battery pack II (10) and an auxiliary 110V negative electrode output interface (16);
when a train is on line, the bidirectional charger AC/DC module I (1) and the bidirectional charger AC/DC module II (2) are used for converting a power supply of an alternating current 380V output interface (19) into direct current voltages of the charger DC/DC module I (3), the charger DC/DC module II (4) and the high-voltage power lithium titanate battery pack (8), and the charger DC/DC module I (3) and the charger DC/DC module II (4) are powered while the high-voltage power lithium titanate battery pack (8) is charged; when the train is not in a network, the high-voltage power lithium titanate battery pack (8) is used for reversely inverting a stored power supply into alternating current 380V, the alternating current 380V is output to an alternating current 380V output interface (19) through a bidirectional charger AC/DC module I (1) and a bidirectional charger AC/DC module II (2) in a grid-connected mode to supply power to the train, and the bidirectional charger AC/DC module I (1) and the bidirectional charger AC/DC module II (2) are connected in parallel on the output input side to serve as redundancy backup;
the charging machine DC/DC module I (3) and the charging machine DC/DC module II (4) are used for adjusting the voltage of a high-voltage or high-voltage power lithium titanate battery pack (8) rectified by the bidirectional charging machine AC/DC module I (1) and the bidirectional charging machine AC/DC module (2) to be suitable for the voltage of an auxiliary 110V positive electrode output interface (15) and an auxiliary 110V negative electrode output interface (16) to supply power to auxiliary loads of a train, and are also used for charging a low-voltage auxiliary lithium titanate battery pack I (9) and a low-voltage auxiliary lithium titanate battery pack II (10), the charging mode adopts a lithium battery charging strategy, and the charging machine DC/DC module I (3) and the charging machine DC/DC module II (4) are connected in parallel at the output and input sides to perform redundant backup;
the diode I (5) and the diode II (6) are used for preventing the mutual charging and discharging of the low-voltage auxiliary lithium titanate battery I (9) and the low-voltage auxiliary lithium titanate battery II (10);
the charger three-phase alternating current contactor (7) is used for controlling whether the charger is connected with a 380V output interface (19) or not;
the high-voltage power lithium titanate battery pack (8), the low-voltage auxiliary lithium titanate battery pack I (9) and the low-voltage auxiliary lithium titanate battery pack II (10) are used for storing electric energy, and under the condition that the train is not provided with a network, the high-voltage power lithium titanate battery pack (8) is used for converting the stored electric energy into kinetic energy required by the train to travel without the network and supplying power to 380V alternating-current equipment of the train; the low-voltage auxiliary lithium titanate battery pack I (9) and the low-voltage auxiliary lithium titanate battery pack II (10) are used for supplying power to a low-voltage auxiliary load of the train;
the storage battery total negative contactor (11) and the storage battery positive contactor (12) are contactors which are put into a high-voltage direct-current side of the charger; the contactor is closed, the high-voltage direct-current side of the charger is connected,
the netless walking negative electrode contactor (13) is used for controlling connection between a netless walking negative electrode output interface (17) and a negative electrode of the high-voltage power lithium titanate battery pack (8), and the netless walking positive electrode contactor (14) is used for controlling connection between a netless walking positive electrode output interface (18) and a positive electrode of the high-voltage power lithium titanate battery pack (8);
the auxiliary 110V positive electrode output interface (15) and the auxiliary 110V negative electrode output interface (16) are used for being connected with auxiliary electric equipment of the train;
the non-network traveling negative output interface (17) and the non-network traveling positive output interface (18) are used for being connected with train traction equipment and providing electric energy for the traction equipment;
when the train is not in a network, the alternating current 380V output interface (19) is used for being connected with an output interface of 380V alternating current electric equipment of the train, and when the train is in a network, the alternating current 380V output interface (19) is used as a 380V alternating current power supply interface.
2. The rail transit network-free self-traveling power-assisted two-way output storage battery and power-assisted two-way charging and discharging two-way charger system according to claim 1, wherein the two-way charger AC/DC module I (1) and the two-way charger AC/DC module II (2) are two-way modules, 380V alternating current power supply is rectified into high-voltage direct current power supply to charge the high-voltage power lithium titanate battery pack (8), the high-voltage direct current power supply is inverted into 380V alternating current power supply, and the 380V alternating current power supply is subjected to grid-connected work.
3. The rail transit netless self-traveling power-assisted two-way output storage battery and power-assisted two-way charge-discharge bidirectional charger system according to claim 1, characterized in that the storage battery total negative contactor (11) and the storage battery positive contactor (12) adopt contactors with high capacity, wide power supply range, bidirectional arc extinguishing capability and no distinction between positive and negative poles by main contacts.
4. The rail transit netless self-traveling power-assisted two-way output storage battery and power-assisted two-way charge-discharge bidirectional charger system according to claim 1, wherein the high-voltage power lithium titanate battery pack (8), the low-voltage power lithium titanate battery pack I (9) and the low-voltage power lithium titanate battery pack II (10) are lithium titanate battery packs having high energy density, no memory effect, and good low-temperature performance and safety performance.
5. The power-assisted two-way output storage battery and power-assisted two-way charge-discharge bidirectional charger system for the rail transit self-walking without a network as claimed in claim 1, wherein when the train self-walks without a network, the high-voltage power lithium titanate battery pack (8) is used for supplying power to an auxiliary 110V positive electrode output interface (15), an auxiliary 110V negative electrode output interface (16), a non-network walking negative electrode output interface (17), a non-network walking positive electrode output interface (18) and an alternating current 380V output interface (19).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112265451A (en) * | 2020-12-21 | 2021-01-26 | 西南交通大学 | AC380V circuit topology of a high-speed train emergency self-propelled system |
| CN112277662A (en) * | 2020-12-21 | 2021-01-29 | 西南交通大学 | A DC3000V circuit topology structure of a high-speed train emergency self-propelled system |
| CN114228752A (en) * | 2021-12-23 | 2022-03-25 | 中车长春轨道客车股份有限公司 | Novel energy storage system suitable for virtual track direction train |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014075864A (en) * | 2012-10-03 | 2014-04-24 | Kinki Sharyo Co Ltd | Railway vehicle |
| CN109120055A (en) * | 2018-09-05 | 2019-01-01 | 北京北交新能科技有限公司 | A kind of rail traffic emergency traction and booster battery system |
| CN109383307A (en) * | 2017-08-02 | 2019-02-26 | 株洲中车时代电气股份有限公司 | Storage battery power supply trailer system for electric transmission traction track vehicular traffic |
| CN109383530A (en) * | 2018-12-05 | 2019-02-26 | 中车长春轨道客车股份有限公司 | A kind of motor-car trailer system that emergency is walked certainly |
| CN109450285A (en) * | 2018-11-01 | 2019-03-08 | 北京交通大学 | The major-minor model of integration energy in bidirectional flow auxiliary power supply system of rail traffic vehicles |
| WO2019085228A1 (en) * | 2017-11-03 | 2019-05-09 | 中车株洲电力机车有限公司 | Rail traffic hybrid power circuit, energy storage power pack, and power supply method therefor |
| CN212605087U (en) * | 2020-04-24 | 2021-02-26 | 北京北交新能科技有限公司 | Rail transit network-free self-walking double-output storage battery and bidirectional charger system |
-
2020
- 2020-04-24 CN CN202010330260.0A patent/CN111532291B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014075864A (en) * | 2012-10-03 | 2014-04-24 | Kinki Sharyo Co Ltd | Railway vehicle |
| CN109383307A (en) * | 2017-08-02 | 2019-02-26 | 株洲中车时代电气股份有限公司 | Storage battery power supply trailer system for electric transmission traction track vehicular traffic |
| WO2019085228A1 (en) * | 2017-11-03 | 2019-05-09 | 中车株洲电力机车有限公司 | Rail traffic hybrid power circuit, energy storage power pack, and power supply method therefor |
| CN109120055A (en) * | 2018-09-05 | 2019-01-01 | 北京北交新能科技有限公司 | A kind of rail traffic emergency traction and booster battery system |
| CN109450285A (en) * | 2018-11-01 | 2019-03-08 | 北京交通大学 | The major-minor model of integration energy in bidirectional flow auxiliary power supply system of rail traffic vehicles |
| CN109383530A (en) * | 2018-12-05 | 2019-02-26 | 中车长春轨道客车股份有限公司 | A kind of motor-car trailer system that emergency is walked certainly |
| CN212605087U (en) * | 2020-04-24 | 2021-02-26 | 北京北交新能科技有限公司 | Rail transit network-free self-walking double-output storage battery and bidirectional charger system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112265451A (en) * | 2020-12-21 | 2021-01-26 | 西南交通大学 | AC380V circuit topology of a high-speed train emergency self-propelled system |
| CN112277662A (en) * | 2020-12-21 | 2021-01-29 | 西南交通大学 | A DC3000V circuit topology structure of a high-speed train emergency self-propelled system |
| CN114228752A (en) * | 2021-12-23 | 2022-03-25 | 中车长春轨道客车股份有限公司 | Novel energy storage system suitable for virtual track direction train |
| CN114228752B (en) * | 2021-12-23 | 2024-04-23 | 中车长春轨道客车股份有限公司 | Energy storage system suitable for virtual track guide train |
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