CN208835826U - A kind of rail traffic emergency traction and booster battery system - Google Patents

A kind of rail traffic emergency traction and booster battery system Download PDF

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Publication number
CN208835826U
CN208835826U CN201821444981.9U CN201821444981U CN208835826U CN 208835826 U CN208835826 U CN 208835826U CN 201821444981 U CN201821444981 U CN 201821444981U CN 208835826 U CN208835826 U CN 208835826U
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China
Prior art keywords
anode
contactor
lithium titanate
battery group
interface
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CN201821444981.9U
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Chinese (zh)
Inventor
姚海英
李军
韩耸
梁珏
马彬睿
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Beijing Beijiao New Energy Technology Co Ltd
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Beijing Beijiao New Energy Technology Co Ltd
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Abstract

The utility model belongs to rail traffic power supply and technical field of energy storage, is related to a kind of traction of rail traffic emergency and booster battery system, comprising: two groups of lithium titanate battery groups, current acquisition monitoring modular and BMS battery management system;Lithium titanate battery group stores electric energy, and by contactor to controlling electric energy, electric energy is transmitted to assistant load by electric discharge anode interface and charge and discharge cathode interface, passes through charging anode interface charging.Two groups of lithium titanate battery groups are realized in parallel or series by battery pack series contactor, when in parallel, provide accessory power supply;When series connection, emergency traction power source and accessory power supply are provided.Current acquisition monitoring modular is transmitted to BMS battery management system to current sample, by data.BMS battery management system monitors lithium titanate battery group state, guarantees that it is in working healthily state, communicates with charger, to rail traffic emergency traction and booster battery system diagnostics and debugging.The utility model is suitable for a variety of rail traffic vehicles, safe and reliable.

Description

A kind of rail traffic emergency traction and booster battery system
Technical field
The utility model belongs to the crossing domain of rail traffic power supply technique and energy storage technology, in particular to a kind of track Traffic emergency traction and booster battery system.
Background technique
Rail traffic is to store up rail traffic power supply technique and lithium titanate battery with emergency traction and booster battery system Energy technology combines, and forms independent system and is mounted on subway or emu vehicle bottom, mounting means is the lifting of vehicle bottom.Ground The features such as rail traffics such as iron, motor-car are big with freight volume, speed is fast, safe and environment-friendly and energy saving, it is considered to be most green friendship Logical mode.Since freight volume is big, the power supply system of vehicle shows particularly important.And important composition of the auxiliary power supply system as vehicle Part not only influences the comfort taken, is more related to that can vehicle normally travel.When vehicle by electricity failure, wait for rescue In the process, if booster battery can be as vehicle from after the electrical source of power of traction, vehicle normal power supply failure, just not It needs to arrive at a station by rescue to draw merely, and then evacuates passenger.In order to guarantee that vehicle can be when by electricity failure, Neng Goujin Row arrives at a station from traction, it is necessary to which secondary power system can be normal ancillary equipment and emergency service and be traction convertor The power supply of efficient stable is provided.Wherein rail traffic vehicles are generally plumbic acid and cadmium nickel electricity with emergency traction and booster battery Pond, and the features such as these batteries are short there are the service life, there are memory effects.So utility model was a kind of not only safe and reliable but also environmentally friendly Emergency traction and booster battery seem very urgent.
The utility model passes through national standard verification experimental verification, explosion and fire will not all occur in all cases, absolutely Securely and reliably.
The utility model can realize emergency traction power supply and the assistant load power supply of vehicle, and cycle life is 10000 More than secondary.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of rail traffics with answering jerk Draw and booster battery system, emergency traction and booster battery system are arranged in rail traffic vehicles bottom, and by electric energy It after processing conversion, is stored in the battery pack of lithium titanate material, system and include mating interface with rail traffic vehicles, Electric energy can be provided as needed.The utility model is it is intended that rail traffic vehicles provide emergency traction and accessory power supply, specific skill Art scheme is as follows:
A kind of rail traffic emergency traction and booster battery system, comprising: 1# cathode fuse 1,1# lithium titanate electricity Pond group 2,1# anode fuse 3,1# disconnecting switch 4,1# current acquisition monitoring modular 5,1# anode contactor 6, two poles of 1# electric discharge Pipe 7,2# cathode fuse 8,2# lithium titanate battery group 9,2# anode fuse 10,2# disconnecting switch 11, the monitoring of 2# current acquisition Module 12,2# anode contactor 13,2# discharge diode 14, battery pack series contactor 15, emergency traction disconnect contactor 16, 1#BMS battery management system 17,2#BMS battery management system 18, charging anode interface 19, electric discharge anode interface 20, charge and discharge Cathode interface 21,1# emergent charging interface 22, communication interface 23, the total positive interface 24 of emergency traction and 2# emergent charging interface 25;
One end of the 1# cathode fuse 1 is connect with the cathode of 1# lithium titanate battery group 2,1# lithium titanate battery group 2 Anode is connect with one end of 1# anode fuse 3, and the other end of 1# anode fuse 3 is connected with one end of 1# disconnecting switch 4,1# The other end of disconnecting switch 4 is connect with one end of 1# current acquisition monitoring modular 5, the other end of 1# current acquisition monitoring modular 5 It is connect with one end of 1# anode contactor 6, the other end of 1# anode contactor 6 is connect with one end of 1# discharge diode 7;
One end that the emergency traction disconnects contactor 16 is connect with one end of 2# cathode fuse 8,2# cathode fuse 8 The other end connect with the cathode of 2# lithium titanate battery group 9, the anode and the one of 2# anode fuse 10 of 2# lithium titanate battery group 9 End connection, the other end of 2# anode fuse 10 connect with one end of 2# disconnecting switch 11, the other end of 2# disconnecting switch 11 and One end of 2# current acquisition monitoring modular 12 connects, the other end and the 2# anode contactor 13 of 2# current acquisition monitoring modular 12 One end connection, the other end of 2# anode contactor 13 are connect with one end of 2# discharge diode 14;
The other end, the charge and discharge cathode that the other end of the 1# cathode fuse 1 draws disconnection contactor 16 with emergency connect Mouth 21 connects;
One end of the battery pack series contactor 15 is connect with the anode of 1# lithium titanate battery group 2, the other end and 2# titanium The cathode of acid lithium battery group 9 connects;
One end of the 1# anode contactor 6 is also connect with 1# emergent charging interface 22;One end of 2# anode contactor 13 Also it is connect with 2# emergent charging interface 25;Interface all the way in charging anode interface 19 is connect with one end of 1# discharge diode 7, Another way interface in charging anode interface 19 is connect with one end of 2# discharge diode 14;
The total positive interface 24 of emergency traction connects with the other end of 2# anode fuse 10, one end of 2# disconnecting switch 11 It connects;
The 1#BMS battery management system 17 and 1# lithium titanate battery group 2,1# current acquisition monitoring modular 5,1# anode connect Tentaculum 6, communication interface 23, battery pack series contactor 15,2#BMS battery management system 18 connect;
The 2#BMS battery management system 18 and 2# lithium titanate battery group 9,2# current acquisition monitoring modular 12,2# anode Contactor 13, emergency traction disconnect contactor 16 and connect;
The other end of the 1# discharge diode 7 is connect with the other end of 2# discharge diode 14, electric discharge anode interface 20;
The 1# cathode fuse 1,1# anode fuse 3,2# cathode fuse 8,2# anode fuse 10 are used for circuit Overload and short-circuit protection can disconnect circuit rapidly when short trouble occurs;
The 1# lithium titanate battery group 2 and 2# lithium titanate battery group 9 are used to store electric energy, and electric energy is passed through electric discharge anode Interface 20 and charge and discharge cathode interface 21 power to rail traffic vehicles assistant load;Pass through charging anode interface 19 and charge and discharge Cathode interface 21 charges;And always positive interface 24 and charge and discharge cathode interface 21 are traction convertor confession by emergency traction Electricity, low speed tractor;
The 1# disconnecting switch 4 and 2# disconnecting switch 11 are effectively isolated battery voltage when overhauling for battery, guarantee The safety of service personnel;
The 1# current acquisition monitoring modular 5 is used to the high-low pressure (sampling precision is higher) is isolated, to charge and discharge electricity Stream is sampled, and 1#BMS battery management system 17 is transferred data to;
The 2# current acquisition monitoring modular 12 is used to the high-low pressure (sampling precision is higher) is isolated, to charge and discharge electricity Stream is sampled, and 2#BMS battery management system 18 is transferred data to;
The 1# anode contactor 6 is used for the charging and discharging circuit of on-off 1# lithium titanate battery group 2, by 1#BMS battery management System 17 controls 1# anode contactor 6;
The 2# anode contactor 13 and emergency traction disconnect the charge and discharge that contactor 16 is used for on-off 2# lithium titanate battery group 9 Electrical circuit controls 2# anode contactor 13 by 2#BMS battery management system 18 and emergency traction disconnects contactor 16;
The 1# discharge diode 7 and 2# discharge diode 14 are respectively in 1# lithium titanate battery group 2 and 2# lithium titanate battery It is used when 9 electric discharge of group, prevents 1# lithium titanate battery group 2 and the mutual charge and discharge of 2# lithium titanate battery group 9;
The electric discharge anode interface 20 is used to be connected with vehicle 110V auxiliary DC bus anode;
The charging anode interface 19 is used to be connected with the output of the 110V anode of charger;
The charge and discharge cathode interface 21 is used to be connected with charger cathode, vehicle 110V auxiliary DC bus cathode;
The total positive interface 24 of emergency traction with vehicle traction convertor for being connected;
The 2#BMS battery management system 18 is used to monitor the state of 2# lithium titanate battery group 9, guarantees 2# lithium titanate battery Group 9 is in working healthily state, and according to the state of 2# lithium titanate battery group 9, controls 2# anode contactor 13 and emergency traction The on-off of contactor 16 is disconnected, and the state for disconnecting contactor 16 to 2# anode contactor 13 and emergency traction is monitored, and Shi Faxian 2# anode contactor 13 and emergency traction disconnect contactor 16 whether failure;For with 1#BMS battery management system 17 Communication, issues 1#BMS battery management system 17 for the status data of 2# lithium titanate battery group 9;
The 1#BMS battery management system 17 is used to monitor the state of 1# lithium titanate battery group 2, guarantees 1# lithium titanate battery Group 2 is in working healthily state, and according to the state of 1# lithium titanate battery group 2, controls the on-off of 1# anode contactor 6, and right The state of 1# anode contactor 6 is monitored, in time find 1# anode contactor 6 whether failure;For passing through communication interface 23 It is communicated with charger, charger is that 1# lithium titanate battery group 2 and 2# lithium titanate battery group 9 charge according to charging strategy;And by 1# The data for the 2# lithium titanate battery group 9 that the data of lithium titanate battery group 2 are collected into 2#BMS battery management system 18 carry out whole It closes, then charger and vehicle host computer is reported by communication interface 23, to rail traffic emergency traction and auxiliary electric power storage Cell system is monitored and diagnoses;For controlling the division of battery pack series contactor 15,1# lithium titanate battery group 2 and 2# are realized Lithium titanate battery group 9 being connected in parallel or being connected in series;The charging strategy includes: that constant current turns constant-voltage charge, or to appoint Electric current and voltage charge;
The 1# emergent charging interface 22 with emergency charging equipment in case of emergency, being connected, to 1# lithium titanate electricity Pond group 2 is promptly charged;
The 2# emergent charging interface 25 with emergency charging equipment in case of emergency, being connected, to 2# lithium titanate electricity Pond group 9 is promptly charged;
The communication interface 23 is connected with the communication interface of the charger of vehicle and vehicle, for rail traffic with answering jerk Draw and booster battery system carries out data transmission and controls with charger, vehicle.
Based on the above technical solution, the 1# lithium titanate battery group 2 and 2# lithium titanate battery group 9 are close using energy Spend height, without memory effect and cryogenic property and the lithium titanate battery group having a safety feature.Due to the energy of lithium titanate battery group Density is high, is more suitable for managing vehicle weight stringenter vehicle use;Since lithium titanate battery group does not have memory effect, It is more suitable for emergency service occasion;For lithium titanate battery group compared with other lithium batteries, the negative electrode material of lithium titanate battery group is special, So the cryogenic property and security performance of lithium titanate battery group are more preferable.
Based on the above technical solution, the battery pack series contactor 15 is connect using large capacity, wide scope power supply Tentaculum, reliability are higher.
Based on the above technical solution, the 1#BMS battery management system 17 and 2#BMS battery management system 18 are adopted With the dedicated BMS of rail traffic, accuracy of data acquisition is higher, and reliability is stronger.
Based on the above technical solution, the 1# anode contactor 6,2# anode contactor 13 and emergency traction disconnect Contactor 16, which uses, has two-way arc extinguishing ability, and main contacts does not distinguish the contactor of positive and negative anodes.
Based on the above technical solution, when vehicle needs battery is met an urgent need and drawn, 1#BMS battery management system After system 17 receives the emergency traction instruction of vehicle transmission, control battery pack series contactor 15 is closed, and makes 1# lithium titanate battery group 2 It is connected in series with 2# lithium titanate battery group 9;1# anode contactor 6 is closed simultaneously, and 2# anode contactor 13 disconnects, and emergency traction is disconnected Open the disconnection of contactor 16;DC220V is provided by the total positive interface 24 of emergency traction and charge and discharge cathode interface 21 for traction convertor Voltage, low speed tractor;1# lithium titanate battery group 2 is vehicle by electric discharge anode interface 20 and charge and discharge cathode interface 21 simultaneously The power supply of assistant load.
Based on the above technical solution, when vehicle needs battery carries out urgent auxiliary power supply, the 1#BMS electricity After the auxiliary power supply that pond management system 17 receives vehicle transmission allows enabled instruction, control battery pack series contactor 15 is disconnected, It is connected in parallel 1# lithium titanate battery group 2 and 2# lithium titanate battery group 9, control 1# anode contactor 5 is closed, and keeps 1# lithium titanate electric Pond group 2 powers to rail traffic vehicles assistant load by electric discharge anode interface 20 and charge and discharge cathode interface 21;2#BMS simultaneously After the auxiliary power supply that battery management system 18 receives the transmission of 1#BMS battery management system 17 allows enabled instruction, control 2# anode Contactor 13 and emergency traction disconnect tentaculum 16 and are closed, and 2# lithium titanate battery group 9 is made to pass through electric discharge anode interface 20 and charge and discharge Cathode interface 21 powers to rail traffic vehicles assistant load.
The advantageous effects of the utility model are as follows:
The emergency service of the accessory power supplys such as subway, motor-car may be implemented in technical solution described in the utility model and emergency is led certainly Draw, battery uses lithium titanate battery, and is configured with battery management system (BMS), and BMS can monitor rail traffic in real time with answering jerk Draw and the state of booster battery system;The reliability for not only increasing auxiliary power supply, the emergency for also enhancing vehicle are drawn certainly Function.The utility model is suitable for a variety of rail vehicles two, not only safety, but also reliable.
Detailed description of the invention
The utility model has following attached drawing:
The system structure diagram of Fig. 1 the utility model.
Appended drawing reference:
1 1# cathode fuse, 1,2 1# lithium titanate battery group, 3 1# anode fuses, 4 1# disconnecting switch, 5 1# electric currents Acquisition monitoring modular, 6 1# anode contactors, 7 1# discharge diodes, 8 2# cathode fuses, 9 2# lithium titanate battery groups, 10 2# anode fuse, 11 2# disconnecting switch, 12 2# current acquisition monitoring modulars, 13 2# anode contactors, 14 2# electric discharge two Pole pipe, 15 battery pack series contactors, 16 emergency tractions disconnect contactor, 17 1#BMS battery management systems, 18 2#BMS electricity Pond management system, 19 charging anode interfaces, 20 electric discharge anode interfaces, 21 charge and discharge cathode interfaces, 22 1# emergent charging interfaces, 23 communication interfaces, 24 emergency draw total positive interface, 25 2# emergent charging interfaces
Specific embodiment
The utility model is described in further details below in conjunction with attached drawing.
As shown in Figure 1, a kind of rail traffic emergency traction and booster battery system, comprising: 1# cathode fuse 1, 1# lithium titanate battery group 2,1# anode fuse 3,1# disconnecting switch 4,1# current acquisition monitoring modular 5,1# anode contactor 6, 1# discharge diode 7,2# cathode fuse 8,2# lithium titanate battery group 9,2# anode fuse 10,2# disconnecting switch 11,2# electricity Stream acquisition monitoring modular 12,2# anode contactor 13,2# discharge diode 14, battery pack series contactor 15, emergency traction are disconnected Contactor 16,1#BMS battery management system 17,2#BMS battery management system 18, charging anode interface 19, electric discharge anode is opened to connect Mouth 20, charge and discharge cathode interface 21,1# emergent charging interface 22, communication interface 23, the total positive interface 24 of emergency traction and 2# meet an urgent need Charging interface 25;
One end of the 1# cathode fuse 1 is connect with the cathode of 1# lithium titanate battery group 2,1# lithium titanate battery group 2 Anode is connect with one end of 1# anode fuse 3, and the other end of 1# anode fuse 3 is connected with one end of 1# disconnecting switch 4,1# The other end of disconnecting switch 4 is connect with one end of 1# current acquisition monitoring modular 5, the other end of 1# current acquisition monitoring modular 5 It is connect with one end of 1# anode contactor 6, the other end of 1# anode contactor 6 is connect with one end of 1# discharge diode 7;
One end that the emergency traction disconnects contactor 16 is connect with one end of 2# cathode fuse 8,2# cathode fuse 8 The other end connect with the cathode of 2# lithium titanate battery group 9, the anode and the one of 2# anode fuse 10 of 2# lithium titanate battery group 9 End connection, the other end of 2# anode fuse 10 connect with one end of 2# disconnecting switch 11, the other end of 2# disconnecting switch 11 and One end of 2# current acquisition monitoring modular 12 connects, the other end and the 2# anode contactor 13 of 2# current acquisition monitoring modular 12 One end connection, the other end of 2# anode contactor 13 are connect with one end of 2# discharge diode 14;
The other end, the charge and discharge cathode that the other end of the 1# cathode fuse 1 draws disconnection contactor 16 with emergency connect Mouth 21 connects;
One end of the battery pack series contactor 15 is connect with the anode of 1# lithium titanate battery group 2, the other end and 2# titanium The cathode of acid lithium battery group 9 connects;
One end of the 1# anode contactor 6 is also connect with 1# emergent charging interface 22;One end of 2# anode contactor 13 Also it is connect with 2# emergent charging interface 25;Interface all the way in charging anode interface 19 is connect with one end of 1# discharge diode 7, Another way interface in charging anode interface 19 is connect with one end of 2# discharge diode 14;
The total positive interface 24 of emergency traction connects with the other end of 2# anode fuse 10, one end of 2# disconnecting switch 11 It connects;
The 1#BMS battery management system 17 and 1# lithium titanate battery group 2,1# current acquisition monitoring modular 5,1# anode connect Tentaculum 6, communication interface 23, battery pack series contactor 15,2#BMS battery management system 18 connect;
The 2#BMS battery management system 18 and 2# lithium titanate battery group 9,2# current acquisition monitoring modular 12,2# anode Contactor 13, emergency traction disconnect contactor 16 and connect;
The other end of the 1# discharge diode 7 is connect with the other end of 2# discharge diode 14, electric discharge anode interface 20;
The 1# cathode fuse 1,1# anode fuse 3,2# cathode fuse 8,2# anode fuse 10 are used for circuit Overload and short-circuit protection can disconnect circuit rapidly when short trouble occurs;
The 1# lithium titanate battery group 2 and 2# lithium titanate battery group 9 are used to store electric energy, and electric energy is passed through electric discharge anode Interface 20 and charge and discharge cathode interface 21 power to rail traffic vehicles assistant load;Pass through charging anode interface 19 and charge and discharge Cathode interface 21 charges;And always positive interface 24 and charge and discharge cathode interface 21 are traction convertor confession by emergency traction Electricity, low speed tractor;
The 1# disconnecting switch 4 and 2# disconnecting switch 11 are effectively isolated battery voltage when overhauling for battery, guarantee The safety of service personnel;
The 1# current acquisition monitoring modular 5 is used to the high-low pressure (sampling precision is higher) is isolated, to charge and discharge electricity Stream is sampled, and 1#BMS battery management system 17 is transferred data to;
The 2# current acquisition monitoring modular 12 is used to the high-low pressure (sampling precision is higher) is isolated, to charge and discharge electricity Stream is sampled, and 2#BMS battery management system 18 is transferred data to;
The 1# anode contactor 6 is used for the charging and discharging circuit of on-off 1# lithium titanate battery group 2, by 1#BMS battery management System 17 controls 1# anode contactor 6;
The 2# anode contactor 13 and emergency traction disconnect the charge and discharge that contactor 16 is used for on-off 2# lithium titanate battery group 9 Electrical circuit controls 2# anode contactor 13 by 2#BMS battery management system 18 and emergency traction disconnects contactor 16;
The 1# discharge diode 7 and 2# discharge diode 14 are respectively in 1# lithium titanate battery group 2 and 2# lithium titanate battery It is used when 9 electric discharge of group, prevents 1# lithium titanate battery group 2 and the mutual charge and discharge of 2# lithium titanate battery group 9;
The electric discharge anode interface 20 is used to be connected with vehicle 110V auxiliary DC bus anode;
The charging anode interface 19 is used to be connected with the output of the 110V anode of charger;
The charge and discharge cathode interface 21 is used to be connected with charger cathode, vehicle 110V auxiliary DC bus cathode;
The total positive interface 24 of emergency traction with vehicle traction convertor for being connected;
The 2#BMS battery management system 18 is used to monitor the state of 2# lithium titanate battery group 9, guarantees 2# lithium titanate battery Group 9 is in working healthily state, and according to the state of 2# lithium titanate battery group 9, controls 2# anode contactor 13 and emergency traction The on-off of contactor 16 is disconnected, and the state for disconnecting contactor 16 to 2# anode contactor 13 and emergency traction is monitored, and Shi Faxian 2# anode contactor 13 and emergency traction disconnect contactor 16 whether failure;For with 1#BMS battery management system 17 Communication, issues 1#BMS battery management system 17 for the status data of 2# lithium titanate battery group 9;
The 1#BMS battery management system 17 is used to monitor the state of 1# lithium titanate battery group 2, guarantees 1# lithium titanate battery Group 2 is in working healthily state, and according to the state of 1# lithium titanate battery group 2, controls the on-off of 1# anode contactor 6, and right The state of 1# anode contactor 6 is monitored, in time find 1# anode contactor 6 whether failure;For passing through communication interface 23 It is communicated with charger, charger is that 1# lithium titanate battery group 2 and 2# lithium titanate battery group 9 charge according to charging strategy;And by 1# The data for the 2# lithium titanate battery group 9 that the data of lithium titanate battery group 2 are collected into 2#BMS battery management system 18 carry out whole It closes, then charger and vehicle host computer is reported by communication interface 23, to rail traffic emergency traction and auxiliary electric power storage Cell system is monitored and diagnoses;For controlling the division of battery pack series contactor 15,1# lithium titanate battery group 2 and 2# are realized Lithium titanate battery group 9 being connected in parallel or being connected in series;The charging strategy includes: that constant current turns constant-voltage charge, or to appoint Electric current and voltage charge;
The 1# emergent charging interface 22 with emergency charging equipment in case of emergency, being connected, to 1# lithium titanate electricity Pond group 2 is promptly charged;
The 2# emergent charging interface 25 with emergency charging equipment in case of emergency, being connected, to 2# lithium titanate electricity Pond group 9 is promptly charged;
The communication interface 23 is connected with the communication interface of the charger of vehicle and vehicle, for rail traffic with answering jerk Draw and booster battery system carries out data transmission and controls with charger, vehicle.
Based on the above technical solution, the 1# lithium titanate battery group 2 and 2# lithium titanate battery group 9 are close using energy Spend height, without memory effect and cryogenic property and the lithium titanate battery group having a safety feature.Due to the energy of lithium titanate battery group Density is high, is more suitable for managing vehicle weight stringenter vehicle use;Since lithium titanate battery group does not have memory effect, It is more suitable for emergency service occasion;For lithium titanate battery group compared with other lithium batteries, the negative electrode material of lithium titanate battery group is special, So the cryogenic property and security performance of lithium titanate battery group are more preferable.
Based on the above technical solution, the battery pack series contactor 15 is connect using large capacity, wide scope power supply Tentaculum, reliability are higher.
Based on the above technical solution, the 1#BMS battery management system 17 and 2#BMS battery management system 18 are adopted With the dedicated BMS of rail traffic, accuracy of data acquisition is higher, and reliability is stronger.
Based on the above technical solution, the 1# anode contactor 6,2# anode contactor 13 and emergency traction disconnect Contactor 16, which uses, has two-way arc extinguishing ability, and main contacts does not distinguish the contactor of positive and negative anodes.
Based on the above technical solution, when vehicle needs battery is met an urgent need and drawn, 1#BMS battery management system After system 17 receives the emergency traction instruction of vehicle transmission, control battery pack series contactor 15 is closed, and makes 1# lithium titanate battery group 2 It is connected in series with 2# lithium titanate battery group 9;1# anode contactor 6 is closed simultaneously, and 2# anode contactor 13 disconnects, and emergency traction is disconnected Open the disconnection of contactor 16;DC220V is provided by the total positive interface 24 of emergency traction and charge and discharge cathode interface 21 for traction convertor Voltage, low speed tractor;1# lithium titanate battery group 2 is vehicle by electric discharge anode interface 20 and charge and discharge cathode interface 21 simultaneously The power supply of assistant load.
Based on the above technical solution, when vehicle needs battery carries out urgent auxiliary power supply, the 1#BMS electricity After the auxiliary power supply that pond management system 17 receives vehicle transmission allows enabled instruction, control battery pack series contactor 15 is disconnected, It is connected in parallel 1# lithium titanate battery group 2 and 2# lithium titanate battery group 9, control 1# anode contactor 5 is closed, and keeps 1# lithium titanate electric Pond group 2 powers to rail traffic vehicles assistant load by electric discharge anode interface 20 and charge and discharge cathode interface 21;2#BMS simultaneously After the auxiliary power supply that battery management system 18 receives the transmission of 1#BMS battery management system 17 allows enabled instruction, control 2# anode Contactor 13 and emergency traction disconnect tentaculum 16 and are closed, and 2# lithium titanate battery group 9 is made to pass through electric discharge anode interface 20 and charge and discharge Cathode interface 21 powers to rail traffic vehicles assistant load.
The emergency service of the accessory power supplys such as subway, motor-car may be implemented in technical solution described in the utility model and emergency is led certainly Draw, battery uses lithium titanate battery, and is configured with battery management system (BMS), and BMS can monitor rail traffic in real time with answering jerk Draw and the state of booster battery system;The reliability for not only increasing auxiliary power supply, the emergency for also enhancing vehicle are drawn certainly Function.The utility model is suitable for a variety of rail vehicles two, not only safe but also reliable.
Obviously, the above embodiments of the present invention is only intended to clearly illustrate the citing that the utility model is done, and It is not the restriction to the utility model embodiment, for those of ordinary skill in the art, above explained On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all It is to belong to the technical solution of the utility model changes and variations that derived from still in the guarantor of the utility model Protect the column of range.
The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.

Claims (5)

1. a kind of rail traffic emergency traction and booster battery system characterized by comprising 1# cathode fuse (1), 1# lithium titanate battery group (2), 1# anode fuse (3), 1# disconnecting switch (4), 1# current acquisition monitoring modular (5), 1# anode Contactor (6), 1# discharge diode (7), 2# cathode fuse (8), 2# lithium titanate battery group (9), 2# anode fuse (10), 2# disconnecting switch (11), 2# current acquisition monitoring modular (12), 2# anode contactor (13), 2# discharge diode (14), battery Group series contactor (15), emergency traction disconnect contactor (16), 1#BMS battery management system (17), 2#BMS battery management system It unites (18), charging anode interface (19), electric discharge anode interface (20), charge and discharge cathode interface (21), 1# emergent charging interface (22), communication interface (23), the total positive interface (24) of emergency traction and 2# emergent charging interface (25);
One end of the 1# cathode fuse (1) is connect with the cathode of 1# lithium titanate battery group (2), 1# lithium titanate battery group (2) Anode connect with one end of 1# anode fuse (3), the one of the other end of 1# anode fuse (3) and 1# disconnecting switch (4) End connection, the other end of 1# disconnecting switch (4) are connect with one end of 1# current acquisition monitoring modular (5), the monitoring of 1# current acquisition The other end of module (5) is connect with one end of 1# anode contactor (6), the other end and the 1# electric discharge two of 1# anode contactor (6) One end of pole pipe (7) connects;
One end that the emergency traction disconnects contactor (16) is connect with one end of 2# cathode fuse (8), 2# cathode fuse (8) the other end is connect with the cathode of 2# lithium titanate battery group (9), and anode and the 2# anode of 2# lithium titanate battery group (9) fuse One end of device (10) connects, and the other end of 2# anode fuse (10) is connected with one end of 2# disconnecting switch (11), and 2# keeps apart Close (11) the other end connect with one end of 2# current acquisition monitoring modular (12), 2# current acquisition monitoring modular (12) it is another End is connect with one end of 2# anode contactor (13), and the one of the other end of 2# anode contactor (13) and 2# discharge diode (14) End connection;
The other end, the charge and discharge cathode that the other end of the 1# cathode fuse (1) draws disconnection contactor (16) with emergency connect Mouth (21) connection;
One end of the battery pack series contactor (15) is connect with the anode of 1# lithium titanate battery group (2), the other end and 2# titanium The cathode of acid lithium battery group (9) connects;
One end of the 1# anode contactor (6) is also connect with 1# emergent charging interface (22);The one of 2# anode contactor (13) End is also connect with 2# emergent charging interface (25);Interface all the way and 1# discharge diode (7) in charging anode interface (19) One end connects, and the another way interface in charging anode interface (19) is connect with one end of 2# discharge diode (14);
The total positive interface (24) of emergency traction connects with the other end of 2# anode fuse (10), one end of 2# disconnecting switch (11) It connects;
The 1#BMS battery management system (17) and 1# lithium titanate battery group (2), 1# current acquisition monitoring modular (5), 1# anode Contactor (6), communication interface (23), battery pack series contactor (15), 2#BMS battery management system (18) connection;
The 2#BMS battery management system (18) and 2# lithium titanate battery group (9), 2# current acquisition monitoring modular (12), 2# are just Pole contactor (13), emergency traction disconnect contactor (16) connection;
The other end of the 1# discharge diode (7) and the other end of 2# discharge diode (14), electric discharge anode interface (20) connect It connects;
The 1# cathode fuse (1), 1# anode fuse (3), 2# cathode fuse (8), 2# anode fuse (10) are used for The overload and short-circuit protection of circuit;
The 1# lithium titanate battery group (2) and 2# lithium titanate battery group (9) are used to store electric energy, and electric energy is passed through electric discharge anode Interface (20) and charge and discharge cathode interface (21) power to rail traffic vehicles assistant load;By charging anode interface (19) and Charge and discharge cathode interface (21) charges;And always positive interface (24) and charge and discharge cathode interface (21) are to lead by emergency traction Draw current transformer power supply, low speed tractor;
The 1# disconnecting switch (4) and 2# disconnecting switch (11) are effectively isolated battery voltage when overhauling for battery, guarantee The safety of service personnel;
The 1# current acquisition monitoring modular (5) samples charging and discharging currents, for being isolated high-low pressure by data Send 1#BMS battery management system (17) to;
The 2# current acquisition monitoring modular (12) samples charging and discharging currents, will count for being isolated high-low pressure According to sending 2#BMS battery management system (18) to;
The 1# anode contactor (6) is used for the charging and discharging circuit of on-off 1# lithium titanate battery group (2), by 1#BMS battery management System (17) controls 1# anode contactor (6);
The 2# anode contactor (13) and emergency traction disconnect contactor (16) filling for on-off 2# lithium titanate battery group (9) Discharge loop disconnects contactor (16) by 2#BMS battery management system (18) control 2# anode contactor (13) and emergency traction;
The 1# discharge diode (7) and 2# discharge diode (14) are respectively in 1# lithium titanate battery group (2) and 2# lithium titanate electricity Pond group (9) uses when discharging, and prevents 1# lithium titanate battery group (2) and 2# lithium titanate battery group (9) mutual charge and discharge;
The electric discharge anode interface (20) is used to be connected with vehicle 110V auxiliary DC bus anode;
Charging anode interface (19) is used to be connected with the output of the 110V anode of charger;
The charge and discharge cathode interface (21) is used to be connected with charger cathode, vehicle 110V auxiliary DC bus cathode;
The total positive interface (24) of emergency traction with vehicle traction convertor for being connected;
The 2#BMS battery management system (18) is used to monitor the state of 2# lithium titanate battery group (9), guarantees 2# lithium titanate battery Group (9) is in working healthily state, and according to the state of 2# lithium titanate battery group (9), controls 2# anode contactor (13) and answer Jerk draws the on-off for disconnecting contactor (16), and the state of contactor (16) is disconnected to 2# anode contactor (13) and emergency traction Be monitored, in time find 2# anode contactor (13) and emergency traction disconnection contactor (16) whether failure;For with 1#BMS Battery management system (17) communication, issues 1#BMS battery management system (17) for the status data of 2# lithium titanate battery group (9);
The 1#BMS battery management system (17) is used to monitor the state of 1# lithium titanate battery group (2), guarantees 1# lithium titanate battery Group (2) is in working healthily state, and according to the state of 1# lithium titanate battery group (2), controls the logical of 1# anode contactor (6) It is disconnected, and the state of 1# anode contactor (6) is monitored, find in time 1# anode contactor (6) whether failure;For passing through Communication interface (23) and charger communicate, and charger is that 1# lithium titanate battery group (2) and 2# lithium titanate battery group (9) charge;And The number for the 2# lithium titanate battery group (9) that the data of 1# lithium titanate battery group (2) and 2#BMS battery management system (18) are collected into Charger and vehicle host computer are reported according to being integrated, then by communication interface (23), to rail traffic emergency traction And booster battery system is monitored and diagnoses;For controlling the division of battery pack series contactor (15), 1# metatitanic acid is realized Lithium battery group (2) and 2# lithium titanate battery group (9) being connected in parallel or being connected in series;
The 1# emergent charging interface (22) with emergency charging equipment in case of emergency, being connected, to 1# lithium titanate battery Group (2) is promptly charged;
The 2# emergent charging interface (25) with emergency charging equipment in case of emergency, being connected, to 2# lithium titanate battery Group (9) is promptly charged;
The communication interface (23) is connected with the communication interface of the charger of vehicle and vehicle, for rail traffic emergency traction And booster battery system carries out data transmission and controls with charger, vehicle.
2. rail traffic as described in claim 1 emergency traction and booster battery system, it is characterised in that: the 1# titanium Acid lithium battery group (2) and 2# lithium titanate battery group (9) use energy density height, without memory effect and cryogenic property and safety The good lithium titanate battery group of performance.
3. rail traffic as described in claim 1 emergency traction and booster battery system, it is characterised in that: the battery Group series contactor (15) uses large capacity, wide scope electrical power contact device.
4. rail traffic as described in claim 1 emergency traction and booster battery system, it is characterised in that: the 1# BMS battery management system (17) and 2#BMS battery management system (18) use the dedicated BMS of rail traffic.
5. rail traffic as described in claim 1 emergency traction and booster battery system, it is characterised in that: the 1# is just Pole contactor (6), 2# anode contactor (13) and emergency traction, which disconnect contactor (16) and use, has two-way arc extinguishing ability, and main The contactor of positive and negative anodes is not distinguished in contact.
CN201821444981.9U 2018-09-05 2018-09-05 A kind of rail traffic emergency traction and booster battery system Withdrawn - After Issue CN208835826U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN110265734A (en) * 2019-06-14 2019-09-20 湖南科霸汽车动力电池有限责任公司 48V track battery voltage monitor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN109120055B (en) * 2018-09-05 2023-09-12 北京北交新能科技有限公司 Emergency traction and auxiliary storage battery system for rail transit
CN110265734A (en) * 2019-06-14 2019-09-20 湖南科霸汽车动力电池有限责任公司 48V track battery voltage monitor
CN110265734B (en) * 2019-06-14 2022-03-11 先进储能材料国家工程研究中心有限责任公司 Voltage monitor for 48V rail storage battery

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