CN110126630A - A kind of electrical brake system and operation method of pure electric vehicle rail locomotive - Google Patents
A kind of electrical brake system and operation method of pure electric vehicle rail locomotive Download PDFInfo
- Publication number
- CN110126630A CN110126630A CN201910437387.XA CN201910437387A CN110126630A CN 110126630 A CN110126630 A CN 110126630A CN 201910437387 A CN201910437387 A CN 201910437387A CN 110126630 A CN110126630 A CN 110126630A
- Authority
- CN
- China
- Prior art keywords
- controller
- lithium battery
- electrical brake
- rail locomotive
- entire car
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
- B60L7/18—Controlling the braking effect
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to the electrical brake systems and operation method of a kind of pure electric vehicle rail locomotive, are made of battery management system, driver controller, entire car controller, electric machine controller, motor, dynamic lithium battery group and high voltage power distributing cabinet.The electrical brake system and operation method of pure electric vehicle rail locomotive of the present invention, a kind of novel mode of braking is provided for the pure electric vehicle of rail locomotive, dynamic lithium battery improves the service life cycle of battery, battery management system effectively increases the utilization rate of electric energy, realizes efficient energy recovery by electrical brake system.The efficiency of construction is improved using electrical brake system, improves the utilization rate of the energy, improves the efficiency of energy recovery, the cruising ability for extending vehicle, the service life for extending mechanical braking, active response national energy conservation and emission reduction policy.
Description
Technical field
The present invention relates to the electrical brake system fields of electric track locomotive, are specifically suitable for using lithium battery as power
Source, motor and electric machine controller be dynamical system rail locomotive, especially the track for building power grid not yet or
In the case where building track, work in a kind of electric braking of the high pure electric vehicle rail locomotive of short-distance transport, construction transport, stop frequency
System and operation method.
Background technique
Currently, the non-renewable resources such as petroleum, coal are overused, the resource for mankind's consumption is fewer and fewer；Together
When with people's environmental protection consciousness increasingly raising, more and more people selection uses new-energy automobile, new-energy automobile
New thinking is opened to solve problem of environmental pollution.However in the laying of track for a train or underground railway track, still make at present
With conventional locomotive, the noise that conventional locomotive generates at runtime is big, energy utilization rate is lower, emission is more, especially in start and stop
In frequent situation, the energy utilization rate of conventional locomotive is lower, all longer using braking and the time for alleviating braking, working efficiency
It is lower.If, due to the inconvenience of air circulation, will lead to construction, person sucks a large amount of tails during the work time in underground construction
Gas constitutes very big threat to health.
It is existing that using the generally existing power supply system of rail locomotive that battery is power source operation, structure is complicated, components
More, the problems such as control is cumbersome, not only there is battery in the electrical brake system of rail locomotive, it is also necessary to which with good grounds actual vehicle speed carrys out switchback
The pressure regulating device of intermediate loop, the circuit for matching different operating voltage class etc. are changed, it is small additionally, due to the capacity of battery therefore continuous
Boat ability is poor, and efficiency for charge-discharge is low, and cycle life is short, and the energy recovery low efficiency of electric braking is even in rail locomotive dynamical system
The electric braking energy that not can be recycled.
Summary of the invention
The purpose of the present invention is to provide a kind of electrical brake system of pure electric vehicle rail locomotive, solve to be laid in no power grid
In the case where when constructing, using the rail locomotive of battery operation, structure is complicated, components are more, control is cumbersome, cruising ability is poor etc.
Problem enormously simplifies the electrical brake system of rail locomotive, improves the control reliability of rail locomotive.
In order to solve the above technical problems, the purpose of the present invention is be achieved through the following technical solutions:
The invention discloses the electrical brake systems and operation method of a kind of pure electric vehicle rail locomotive, and the system is by battery management
System, driver controller, entire car controller, electric machine controller, motor, dynamic lithium battery group and high voltage power distributing cabinet composition.It should
That electrical brake system and operation method operate is convenient, structure is simple, does not need change hardware components, so that it may at any time by driver controller
It switches over, vehicle braking response is fast, and electric energy recovery efficiency is high, substantially prolongs the cruising ability of pure electric vehicle rail locomotive, should
Electrical brake system does not have any damage to the wheel of locomotive, extends the service life of mechanical braking.
A kind of electrical brake system of pure electric vehicle rail locomotive, by battery management system, driver controller, entire car controller,
Electric machine controller, motor, dynamic lithium battery group and high voltage power distributing cabinet composition；
The dynamic lithium battery group is independent by high voltage power distributing cabinet and powers directly to electric machine controller, and centre does not need to increase
Add transformer and its subsidiary body for adjusting reduction or elevation system voltage, without for example linear according to preset function
Intermediate circuit voltage is adjusted, the overall structure of electrical brake system is simplified, does not need connection power grid not only, but also do not need basis
The speed of service of locomotive switches different grades of voltage, greatly simplifies the complexity of electrical brake system；The driver
The digital quantity that controller is acquired by entire car controller executes with analog quantity and operates corresponding state, the entire car controller
It is connect between battery management system, electric machine controller using CAN communication, the electric machine controller is controlled by SPWM technology
Motor passes through electric machine controller two-way flow electric energy.
The battery management system is managed dynamic lithium battery group, has conventional voltage sampling, temperature sampling, protection
Function, Charge Management function also have equalization function and battery heating function.
The entire car controller have remote monitoring function, can real-time remote monitoring locomotive current state, location information,
Convenient for remote command locomotive operation according to the actual situation, intelligent association is carried out to rail locomotive dynamical system according to the demand of driver
Adjust with control, remote supervisory and controlling equipment vehicle currently each status information, be sent to each instrument show and by touch screen realization human-computer interaction,
Monitoring driver controller work status is in different mode at any time.
The entire car controller receives the brake operating instruction of driver controller, while judging vehicle battery management system
Parameter, current working, receives the current operational parameter value of motor at system running state, and it is big to calculate most reasonable brake force
It is small, and electric machine controller is sent by CAN communication by brake parameters value, the output of motor is controlled by electric machine controller
Braking moment.
The electric machine controller directly obtains energy from power lithium battery group, does not need to increase voltage regulator module, motor
Controller reduces permanent magnet synchronous motor by weak magnetic control when motor speed is high by SPWM technical controlling motor
Counter electromotive force, when electric braking can higher efficiency recycle electric energy.
The motor has the characteristic of low rotation speed large torque, is permanent magnet synchronous motor, permanent magnet synchronous motor had both been used as whole
The power resources of vehicle system, also as the power resources of electrical brake system.
Permanent magnet synchronous motor have the advantages that energy density it is high, it is small in size, in entire Tn characteristic high-efficient, permanent-magnet synchronous
Motor works under power generation mode during electric braking, and the alternating current of sending carries out full-controlled rectifier by electric machine controller, defeated
Voltage is equal with the voltage of dynamic lithium battery group out, current direction dynamic lithium battery group, and charges to dynamic lithium battery group,
Battery management system all carries out real-time monitoring to every batteries of dynamic lithium battery group and feeds back to vehicle during entire electric braking
Controller.
The dynamic lithium battery group is to have energy with the too low ferric phosphate lithium cell that the functions such as can heat automatically of temperature
The advantages that density is high, highly-safe, charge and discharge electrical loss is small, and the battery capacity dough softening is small, long service life, be it is existing at present very
More passenger cars use battery, and the battery capacity of dynamic lithium battery group promotes the cruising ability that can greatly improve rail locomotive,
The heating function of dynamic lithium battery group can make power battery play optimal performance under severe operating environment.
The voltage platform of the dynamic lithium battery group is 600V.
In order in winter or when northern temperature is too low promotes battery performance, increase mileage travelled, dynamic lithium battery group has
The function that temperature can heat automatically when too low.
A kind of operation method of the electrical brake system of pure electric vehicle rail locomotive:
1) entire car controller receive driver controller brake operating instruction, while judge battery management system parameter,
System running state, current working calculate most reasonable brake force in conjunction with the current operating parameter value received from motor
Size；
2) electric machine controller receives the instruction of the braking moment of entire car controller by CAN communication, corresponding by controlling
Electric current controls the braking moment size of motor output, and by brake torque value feedback to entire car controller；
3) motor works in generate mode, and the alternating current of sending carries out full-controlled rectifier, output by electric machine controller
Voltage is equal with cell voltage, current direction dynamic lithium battery group, and charges to dynamic lithium battery group；
4) in battery management system real-time monitoring dynamic lithium battery group every batteries information, and parameter is led to by CAN
News feedback arrives entire car controller.
Entire car controller receives braking instruction from driver controller and sends instructions to motor control by CAN communication
Device makes vehicle be slowly decelerated to parking into electric braking mode.During entering electric braking mode, motor power generation is led to
It crosses electric machine controller and the electric energy of sending charges to dynamic lithium battery group, thus by the recycling of energy maximal efficiency, the energy
Utilization rate is high, and the effect for braking generation is fast, can be switched at any time by driver controller, battery management system can be more reasonable
Battery utilization rate is improved, maximal efficiency utilizes the energy.
The beneficial effects of the present invention are:
The electrical brake system and operation method of pure electric vehicle rail locomotive of the present invention are the pure electric vehicle of rail locomotive
A kind of novel mode of braking is provided, suitable for not building the track of power grid or construct in the case where the track built
When, the especially suitable frequent place of start and stop during track locomotive work.In the electrical brake system of pure electric vehicle rail locomotive, move
Power lithium battery improves the service life cycle of battery, and battery management system effectively increases the utilization rate of electric energy, is made by electricity
Dynamic system realizes efficient energy recovery.The efficiency of construction is improved using electrical brake system, improves the use of the energy
Rate improves the efficiency of energy recovery, the cruising ability for extending vehicle, the service life for extending mechanical braking, actively rings
Answer national energy conservation and emission reduction policy.
Detailed description of the invention
Fig. 1 is the electrical brake system structure chart of pure electric vehicle rail locomotive.
Specific embodiment
The present invention is described in further detail below: the present embodiment under the premise of the technical scheme of the present invention into
Row is implemented, and gives detailed embodiment, but protection scope of the present invention is not limited to following embodiments.
A kind of electrical brake system of pure electric vehicle track locomotive under repairing, by battery management system, driver controller, full-vehicle control
Device, electric machine controller, motor, dynamic lithium battery group and high voltage power distributing cabinet composition；
The dynamic lithium battery group is independent by high voltage power distributing cabinet and powers directly to electric machine controller, driver's control
The digital quantity that device is acquired by entire car controller executes with analog quantity and operates corresponding state, the entire car controller and electricity
It is connected between pond management system, electric machine controller using CAN communication, the electric machine controller is controlled electronic by SPWM technology
Machine passes through electric machine controller two-way flow electric energy.
The entire car controller have remote monitoring function, can real-time remote monitoring locomotive current state, location information,
Convenient for remote command locomotive operation according to the actual situation, intelligent association is carried out to rail locomotive dynamical system according to the demand of driver
Adjust with control, remote supervisory and controlling equipment vehicle currently each status information, be sent to each instrument show and by touch screen realization human-computer interaction,
Monitoring driver controller work status is in different mode at any time.
The motor is permanent magnet synchronous motor, and permanent magnet synchronous motor had both been used as the power resources of Full Vehicle System, also conduct
The power resources of electrical brake system.
The dynamic lithium battery group is made of ferric phosphate lithium cell.
The voltage platform of the dynamic lithium battery group is 600V.
A kind of operation method of the electrical brake system of pure electric vehicle track locomotive under repairing:
1) entire car controller receive driver controller brake operating instruction, while judge battery management system parameter,
System running state, current working calculate most reasonable brake force in conjunction with the current operating parameter value received from motor
Size；
2) electric machine controller receives the instruction of the braking moment of entire car controller by CAN communication, corresponding by controlling
Electric current controls the braking moment size of motor output, and by brake torque value feedback to entire car controller；
3) motor works in generate mode, and the alternating current of sending carries out full-controlled rectifier, output by electric machine controller
Voltage is equal with cell voltage, current direction dynamic lithium battery group, and charges to dynamic lithium battery group；
4) in battery management system real-time monitoring dynamic lithium battery group every batteries information, and parameter is led to by CAN
News feedback arrives entire car controller.
As shown in Figure 1, driver operation, in driver controller, the brake operating that entire car controller receives driver controller refers to
It enables, while judging parameter, system running state, the current working of vehicle battery management system, with reception motor and currently
Operational parameter value combines, and calculates most reasonable brake force size, and brake parameters value is dealt into motor control by CAN communication
Device controls the output braking moment of motor by electric machine controller；
Motor is generated electric braking by the control of electric machine controller, is started to work in generate mode, the alternating current of sending
Full-controlled rectifier is carried out by electric machine controller, output voltage is equal with the voltage of dynamic lithium battery group, current direction power lithium battery
Pond group, and charge to dynamic lithium battery group, entire period battery management system is to every batteries in dynamic lithium battery group
It all carries out real-time monitoring and feeds back to arrive entire car controller, by using electric braking, locomotive will slowly slow down, and as when parking, pass through
The adjusting of electric braking, the revolving speed of motor, which is controlled to 0, to stop.When the locomotive is starting, tractive force is directly exported,
The higher construction site of locomotive stop frequency, using electrical brake system can save that mechanical braking and mechanical braking alleviate when
Between, and the electric energy issued during entire electric braking can all be fed back in dynamic lithium battery group.
The foregoing is only a preferred embodiment of the present invention, these specific embodiments are all based on the present invention
Different implementations under general idea, and scope of protection of the present invention is not limited thereto, it is any to be familiar with the art
Technical staff in the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of, should all cover of the invention
Within protection scope.
Claims (6)
1. a kind of electrical brake system of pure electric vehicle rail locomotive, it is characterised in that:
By battery management system, driver controller, entire car controller, electric machine controller, motor, dynamic lithium battery group and high pressure
Power distribution cabinet composition；
The dynamic lithium battery group is independent by high voltage power distributing cabinet and powers directly to electric machine controller, and the driver controller is logical
The digital quantity for crossing entire car controller acquisition executes and operates corresponding state, the entire car controller and cell tube with analog quantity
It being connected between reason system, electric machine controller using CAN communication, the electric machine controller controls motor by SPWM technology,
Pass through electric machine controller two-way flow electric energy.
2. the electrical brake system of pure electric vehicle rail locomotive according to claim 1, it is characterised in that:
The entire car controller have remote monitoring function, can real-time remote monitoring locomotive current state, location information, be convenient for
Remote command locomotive operation according to the actual situation, according to the demand of driver to rail locomotive dynamical system carry out it is intelligent coordinated with
Control, remote supervisory and controlling equipment vehicle currently each status information, be sent to each instrument and show and by touch screen realization human-computer interaction, at any time
Driver controller work status is monitored in different mode.
3. the electrical brake system of pure electric vehicle rail locomotive according to claim 1, it is characterised in that:
The motor is permanent magnet synchronous motor, and permanent magnet synchronous motor had both been used as the power resources of Full Vehicle System, also as electricity system
The power resources of dynamic system.
4. the electrical brake system of pure electric vehicle rail locomotive according to claim 1, it is characterised in that:
The dynamic lithium battery group is made of ferric phosphate lithium cell.
5. the electrical brake system of pure electric vehicle rail locomotive according to claim 4, it is characterised in that:
The voltage platform of the dynamic lithium battery group is 600V.
6. a kind of operation method of the electrical brake system of pure electric vehicle rail locomotive, it is characterised in that:
1) entire car controller receives the brake operating instruction of driver controller, while judging the parameter of battery management system, system
It is big to calculate most reasonable brake force in conjunction with the current operating parameter value received from motor for operating status, current working
It is small；
2) electric machine controller receives the instruction of the braking moment of entire car controller by CAN communication, by controlling corresponding electric current
To control the braking moment size of motor output, and brake torque value is fed back to entire car controller；
3) motor works in generate mode, and the alternating current of sending carries out full-controlled rectifier, output voltage by electric machine controller
It is equal with cell voltage, current direction dynamic lithium battery group, and charge to dynamic lithium battery group；
4) in battery management system real-time monitoring dynamic lithium battery group every batteries information, and by parameter by CAN communication it is anti-
It is fed to entire car controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437387.XA CN110126630A (en) | 2019-05-23 | 2019-05-23 | A kind of electrical brake system and operation method of pure electric vehicle rail locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910437387.XA CN110126630A (en) | 2019-05-23 | 2019-05-23 | A kind of electrical brake system and operation method of pure electric vehicle rail locomotive |
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| CN110126630A true CN110126630A (en) | 2019-08-16 |
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| CN201910437387.XA Pending CN110126630A (en) | 2019-05-23 | 2019-05-23 | A kind of electrical brake system and operation method of pure electric vehicle rail locomotive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261381A (en) * | 2021-12-30 | 2022-04-01 | 国能铁路装备有限责任公司 | Railway wagon braking system |
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| CN201797476U (en) * | 2009-12-31 | 2011-04-13 | 众泰控股集团有限公司 | Electric vehicle motor controller |
| US20120139329A1 (en) * | 2010-12-01 | 2012-06-07 | Aptera Motors, Inc. | Regenerative braking system |
| JP2013207926A (en) * | 2012-03-28 | 2013-10-07 | Daihatsu Motor Co Ltd | Braking control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114261381A (en) * | 2021-12-30 | 2022-04-01 | 国能铁路装备有限责任公司 | Railway wagon braking system |
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Application publication date: 20190816 |