CN109895634A - A kind of control system and method for Straddle type monorail vehicle on-board power supply - Google Patents
A kind of control system and method for Straddle type monorail vehicle on-board power supply Download PDFInfo
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- CN109895634A CN109895634A CN201910182627.6A CN201910182627A CN109895634A CN 109895634 A CN109895634 A CN 109895634A CN 201910182627 A CN201910182627 A CN 201910182627A CN 109895634 A CN109895634 A CN 109895634A
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- train
- traction
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- descending
- battery
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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
Abstract
The present invention relates to a kind of control systems of Straddle type monorail vehicle on-board power supply; including train traction unit, train braking unit, battery and battery management unit; over module is set in train traction unit and battery management unit, additives for overcharge protection module is set in train braking unit and battery management unit；The embedded traction Ramp program of over module；The embedded braking descending program of additives for overcharge protection module；Starting traction Ramp program when launch train is climbed, starting braking descending program when train braking descending, traction Ramp program brakes electric discharge or charging that the high-speed circuit breaker that train is perhaps cut off in alarm after descending program inner setting condition is reached stops battery.It avoids battery over-discharge and overcharges, the explosive combustion accident for avoiding battery initiation occurs；BMS combines train traction, upward slope, braking and descending command signal, and power supply is avoided to occur the fault alarm of mistake in traction and braking process.
Description
Technical field
The present invention relates to the vehicle-mounted power technique fields of rail vehicle, more particularly, to a kind of Straddle type monorail vehicle on-board electricity
The control system and method in source.
Background technique
With the fast development of battery industry, field of track traffic starts to be related to nickel-metal hydride battery group as train dynamics list
Member is to form power battery pack after being concatenated a hundreds of or thousands of piece single batteries, gives train to provide power, when cell stack designs
Need to consider the demand of voltage and current, voltage has a 750V and two kinds of 1500V, and electric current needs to meet train traction and electric braking
Demand, generally between 150~300AH.Nickel-metal hydride battery group is discharged when traction, and nickel-metal hydride battery group charges when braking.
Storage battery is equipped with battery management system (hereinafter referred to as BMS), and the minimum of single battery is provided in BMS and is put
Piezoelectric voltage and highest charging voltage, regular picture multiplying power is in 1C~2C, and normal rate of charge is in 1C~3C.
When launch train is run, Ni-MH power cell group discharge current is even higher up to 1100A, instantaneous reachable 5C, with
The increase of discharge current, voltage instantaneous be pulled low, this will lead to battery pack monomer voltage be lower than BMS setting single battery
Minimum.And train can reach the even higher electric current of 1300A in braking, instantaneous up to 5C or more, this will lead to battery pack
The single battery maximum value that is arranged considerably beyond BMS of monomer voltage.For this phenomenon prior art, there are mainly two types of places
Reason method:
1, BMS reports monomer voltage too low (i.e. battery over-discharge) or excessively high (the i.e. battery of monomer voltage by network system
Overcharge), while this failure is shown by network on a display screen, but do not handle this alarm, only showing
The content of screen display failure.
2, BMS handles this fault alarm, is provided with time factor, after more than N seconds, cuts off main power source.
Both the above method can satisfy the demand of most of operating condition, and time setting is a principal element, to alarm event
The processing of barrier does not carry out profound research, above two because going up a slope and braking this special operation condition of descending in traction
Method cannot be handled well, be will lead to the mistake display of failure, impacted to normal driving.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of control system of Straddle type monorail vehicle on-board power supply and
Method, go up a slope on startup suitable for train and braking when descending special operation condition, will not mistake display and cut
Disconnected main power source, improves traffic safety.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of control of Straddle type monorail vehicle on-board power supply
System processed, including train traction unit, train braking unit, battery and for the battery management unit of management of battery,
The battery is powered in launch train to train traction unit, and the train braking unit is in train braking to storage
Battery charging, overdischarge of the setting for climbing when launch train is protected in the train traction unit and battery management unit
Module is protected, the additives for overcharge protection of descending when setting is for train braking in the train braking unit and battery management unit
Module；The over module embeds traction Ramp program when a set of climbing for launch train；Described overcharges
Electric protection module embed it is a set of for train braking descending when braking descending program；Starting traction climbing when launch train is climbed
Program, starting braking descending program when train braking descending are set inside the traction Ramp program or braking descending program
The high-speed circuit breaker that train is perhaps cut off in alarm after fixed condition is reached stops the electric discharge or charging of battery.
Further specifically, the over module includes the train traction group for receiving train traction signal
Part, the train climbing component for receiving train climbing signal and the traction Ramp program that is set in battery management unit；
It is excited simultaneously in the train traction component and train climbing component, battery management unit receives traction signal simultaneously
And starting traction Ramp program after climbing signal.
Further specifically, the train traction component is the traction relay for receiving controller instruction, the column
Vehicle climbing component is the obliquity sensor for detecting train climbing.
Further specifically, the setting condition inside the traction Ramp program is remaining capacity early warning value and residue
Electricity cutoff value, the remaining capacity early warning value are the 25% of battery total electricity, and the remaining capacity cutoff value is to store
The 20% of battery total electricity.
Further specifically, the setting condition inside the traction Ramp program is over-discharge piezoelectric voltage early warning value and mistake
Discharge voltage cutoff value, the over-discharge piezoelectric voltage early warning value are 0.9V, and the over-discharge piezoelectric voltage cutoff value is 0.8V.
Further specifically, the additives for overcharge protection module includes the train braking group for receiving train brake signal
Part, the train descending component for receiving train descending signal and the braking descending program being set in battery management unit；
It is excited simultaneously in the train braking component and train descending component, battery management unit receives brake signal simultaneously
And starting traction Ramp program after descending signal.
Further specifically, the train braking component is the braking relay for receiving controller instruction, the column
Vehicle descending component is the obliquity sensor for detecting train descending.
Further specifically, the setting condition inside the braking descending program is remaining capacity early warning value and residue
Electricity cutoff value, the remaining capacity early warning value are the 90% of battery total electricity, and the remaining capacity cutoff value is to store
The 95% of battery total electricity.
Further specifically, the setting condition inside the braking descending program is overcharge voltage early warning value and mistake
Charging voltage cutoff value, the overcharge voltage early warning value are 1.55V, and the overcharge voltage cutoff value is revised as 1.58V.
A kind of control method of Straddle type monorail vehicle on-board power supply, when train is in start-up course, controller is pushed away
To distracted position and traction signal is issued, while train detection is in climbing state and issues climbing signal, the traction letter
Number with climbing signal be sent to battery management unit simultaneously, battery management unit starts its embedded traction Ramp program, traction
Ramp program monitors the working condition of battery, if reaching inner setting condition, alarm or cutting high-speed circuit breaker stop
Electric power storage tank discharge；When train is in braking process, controller is pushed to application position and issues brake signal, while train is examined
It surveys in descending state and issues descending signal, the brake signal and descending signal are sent to battery management unit simultaneously,
Battery management unit starts its embedded braking descending program, the working condition of descending sequential monitoring battery is braked, if reaching
Inner setting condition is then alarmed or is cut off high-speed circuit breaker and stops charging to battery.
The beneficial effects of the present invention are: controlling battery in special operation condition using above system and method, electricity is avoided
Pond over-discharge and phenomenon is overcharged, solves the problems, such as that train is gone up a slope in traction because over-discharge phenomenon causes battery to be lost,
Train is solved in the case where power battery is fully charged, electric braking is carried out on gug road, vehicle power supply is caused to overcharge, from
And it avoids thus explosive combustion accident that power battery causes and occurs；BMS combine train traction, upward slope, braking and under
Slope command signal makes to realize live signal transmitting between train and battery, it is corresponding be provided with correspond to traction go up a slope and
The control program for braking descending special operation condition avoids train-installed power supply from occurring the failure of mistake in traction and braking process
Alarm phenomenon.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram.
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing.
A kind of control system of Straddle type monorail vehicle on-board power supply as shown in Figure 1, including train traction unit, train system
Moving cell, battery and the battery management unit for management of battery, the battery is in launch train to train
Traction unit power supply, the train braking unit charges to battery in train braking, in the train traction unit
The over module climbed when with setting in battery management unit for launch train, the train braking unit with
The additives for overcharge protection module of descending when setting is for train braking in battery management unit；The over module is embedded
Traction Ramp program when a set of climbing for launch train；The additives for overcharge protection module embeds a set of for train braking
Braking descending program when descending；Starting traction Ramp program when launch train is climbed, when train braking descending under starting braking
Train is alarmed or cut off to slope program, the traction Ramp program or braking descending program inner setting condition after reaching
High-speed circuit breaker, stops the electric discharge or charging of battery, and battery uses nickel-metal hydride battery.
Over module includes for receiving the train traction component of train traction signal, for receiving train climbing
The train climbing component of signal and the traction Ramp program that is set in battery management unit；Train traction component uses one
The signal emitting-source that is triggered as traction signal of traction relay, when controller is pushed into distracted position, traction relay at this time
Coil obtains electric and send the traction signal to battery management unit；Train climbing component is used as using an obliquity sensor climbs
The inclination angle of the signal emitting-source of slope signal triggering, signal triggering of climbing in the present case is greater than 10 °；When train is during climbing,
Obliquity sensor detects that train is going up a slope and exporting in upward slope signal to battery management unit；Battery management unit connects simultaneously
Traction signal and upward slope signal are received, traction Ramp program is opened at this time and guarantees storage battery safety work, prevent battery mistake
Put phenomenon.
And draw Ramp program and need regulation setting condition inside it, mainly there are two sides for the setting condition of this programme
Face, first, judged from remaining capacity index, remaining capacity index includes remaining capacity early warning value and remaining capacity cutting
Value, remaining capacity early warning value is sounded an alarm when remaining capacity reaches the electricity of program inner setting, remaining capacity cutoff value
It is to cut off the power when remaining capacity reaches the electricity of program inner setting and stop discharging, it is remaining in traction climbing operating condition
Electricity early warning value is set as the 25% of battery total electricity, and remaining capacity cutoff value is set as the 20% of battery total electricity；The
Two, judged from the voltage indexes of battery, voltage indexes include over-discharge piezoelectric voltage early warning value and the cutting of over-discharge piezoelectric voltage
Value, over-discharge piezoelectric voltage early warning value is sounded an alarm when battery voltage reaches program inner setting voltage, and over-discharge piezoelectric voltage is cut
Disconnected value is to cut off the power when battery voltage reaches program inner setting voltage and stop discharging, in traction climbing operating condition,
Over-discharge piezoelectric voltage early warning value is 0.9V, and over-discharge piezoelectric voltage cutoff value is 0.8V.
Additives for overcharge protection module includes for receiving the train braking component of train brake signal, for receiving train descending
The train descending component of signal and the braking descending program being set in battery management unit；Train braking component uses one
The signal emitting-source that braking relay is triggered as train braking, when controller is pushed into application position, braking relay at this time
Coil losing electricity show at this time brake signal and to send the brake signal to battery management unit；Train descending component uses one
The signal emitting-source that a obliquity sensor is triggered as train descending, the inclination angle of descending signal triggering is less than 350 ° in the present case；
During train is in descending, obliquity sensor detects that train is just sent to battery management in descending and by descending signal
Unit；Battery management unit receives brake signal and descending signal simultaneously, and the descending program of starting braking at this time guarantees electric power storage
Pond trouble free service prevents accumulator super-charge phenomenon from occurring.
Regulation setting condition inside it is needed in braking descending program, consistent with traction Ramp program is mainly two
Aspect, first, judged from remaining capacity index, remaining capacity early warning value is set as the 90% of battery total electricity, remaining
Electricity cutoff value is set as the 95% of battery total electricity；Second, judged from the voltage indexes of battery, the voltage indexes
Including overcharge voltage early warning value and overcharge voltage cutoff value, overcharge voltage early warning value is when battery voltage reaches journey
It is sounded an alarm when sequence inner setting voltage, overcharge voltage cutoff value is when battery voltage reaches program inner setting voltage
It cuts off the power and stops charging, in the operating condition of braking descending, overcharge voltage early warning value is 1.55V, overcharge voltage cutting
Value is revised as 1.58V.
The control method of above-mentioned single-track vehicle vehicle power supply is divided into two kinds of situations, and first, train is in start-up course, department
Control device is pushed to distracted position, draws relay at this time and obtains electric and issue traction signal to battery management unit, while by inclining
Angle transducer detects the operating status of train, and when detecting that train is in climbing state, (this state is inclination angle biography
Sensor detects triggering when inclination angle is greater than 10 °), obliquity sensor issues climbing signal to battery management unit, works as battery management
When unit receives traction signal and climbing signal simultaneously at work, battery management unit is switched to from common working condition
Particular job state, and start its embedded traction Ramp program, the work of battery is monitored by traction Ramp program at this time
State, if monitor that the remaining capacity of internal storage battery is 25% or battery voltage reaches 0.9V, battery management unit
It sounds an alarm and alarms, monitor that the remaining capacity of internal storage battery is that 20% or battery voltage reach after alarm
When 0.8V, battery management unit cuts off high-speed circuit breaker by network-control and stops electric power storage tank discharge or by battery management list
Member directly cuts off height breaker；Second, train is in braking process, and controller is pushed to application position, brake at this time after
Electric appliance power loss is expressed as brake signal and send to battery management power supply, at the same by obliquity sensor to the operating status of train into
Row detection, when detecting that train is in descending state, (this state is touching when obliquity sensor detects inclination angle less than 350 °
Hair), obliquity sensor issue descending signal to battery management unit, battery management unit receive simultaneously brake signal and under
When the signal of slope, battery management unit switches to particular job state from common working condition, and starts its embedded braking descending
The working condition of sequential monitoring battery, if monitoring, internal storage battery remaining capacity is that 90% or battery voltage reach
It alarms when 1.55V, continues to monitor battery after alarm, if the remaining capacity of internal storage battery is 95% or electric power storage
When cell voltage reaches 1.58V, high-speed circuit breaker is cut off by network-control and stops charging to battery or passing through battery management
Unit directly cuts off height breaker.
To sum up, by above system and control method, traction is climbed and braking descending is set as particular job shape
State is simultaneously correspondingly arranged corresponding program and is controlled, and is not in the malfunction coefficient of mistake, while according to the work shape of battery
State and alarm and power operation improve the safety that battery uses, and the loss for reducing battery prolongs the service life, and improve
The safety of train travel.
It is emphasized that: the above is only presently preferred embodiments of the present invention, not make in any form to the present invention
Limitation, any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
All of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of control system of Straddle type monorail vehicle on-board power supply, including train traction unit, train braking unit, electric power storage
Pond and battery management unit for management of battery, the battery give train traction unit to supply in launch train
Electricity, the train braking unit charge to battery in train braking, which is characterized in that in the train traction unit
The over module climbed when with setting in battery management unit for launch train, the train braking unit with
The additives for overcharge protection module of descending when setting is for train braking in battery management unit；The over module is embedded
Traction Ramp program when a set of climbing for launch train；The additives for overcharge protection module embeds a set of for train braking
Braking descending program when descending；Starting traction Ramp program when launch train is climbed, when train braking descending under starting braking
Train is alarmed or cut off to slope program, the traction Ramp program or braking descending program inner setting condition after reaching
High-speed circuit breaker stops the electric discharge or charging of battery.
2. the control system of Straddle type monorail vehicle on-board power supply according to claim 1, which is characterized in that the mistake
Discharge prevention module includes the train for receiving the train traction component of train traction signal, for receiving train climbing signal
Climbing component and the traction Ramp program being set in battery management unit；It is climbed in the train traction component and train
Slope component is excited simultaneously, and battery management unit receives starting traction climbing journey after traction signal and climbing signal simultaneously
Sequence.
3. the control system of Straddle type monorail vehicle on-board power supply according to claim 2, which is characterized in that the column
Vehicle traction component is the traction relay for receiving controller instruction, and the train climbing component is for detecting train climbing
Obliquity sensor.
4. the control system of Straddle type monorail vehicle on-board power supply according to claim 2, which is characterized in that described leads
Drawing the setting condition inside Ramp program is remaining capacity early warning value and remaining capacity cutoff value, the remaining capacity early warning
Value is the 25% of battery total electricity, and the remaining capacity cutoff value is the 20% of battery total electricity.
5. the control system of Straddle type monorail vehicle on-board power supply according to claim 2, which is characterized in that described leads
Drawing the setting condition inside Ramp program is over-discharge piezoelectric voltage early warning value and over-discharge piezoelectric voltage cutoff value, the over-discharge piezoelectric voltage
Early warning value is 0.9V, and the over-discharge piezoelectric voltage cutoff value is 0.8V.
6. the control system of Straddle type monorail vehicle on-board power supply according to claim 1, which is characterized in that the mistake
Charging protecting module includes for receiving the train braking component of train brake signal, the train for receiving train descending signal
Descending component and the braking descending program being set in battery management unit；Under the train braking component and train
Slope component is excited simultaneously, and battery management unit receives starting traction climbing journey after brake signal and descending signal simultaneously
Sequence.
7. the control system of Straddle type monorail vehicle on-board power supply according to claim 6, which is characterized in that the column
Vehicle brake assemblies are the braking relay for receiving controller instruction, and the train descending component is for detecting train descending
Obliquity sensor.
8. the control system of Straddle type monorail vehicle on-board power supply according to claim 6, which is characterized in that the system
Setting condition inside dynamic descending program is remaining capacity early warning value and remaining capacity cutoff value, the remaining capacity early warning
Value is the 90% of battery total electricity, and the remaining capacity cutoff value is the 95% of battery total electricity.
9. the control system of Straddle type monorail vehicle on-board power supply according to claim 6, which is characterized in that the system
Setting condition inside dynamic descending program is overcharge voltage early warning value and overcharge voltage cutoff value, the overcharge voltage
Early warning value is 1.55V, and the overcharge voltage cutoff value is revised as 1.58V.
10. a kind of control method using Straddle type monorail vehicle on-board power control system described in claim 1, feature
It is, when train is in start-up course, controller is pushed to distracted position and issues traction signal, while train detection is in
Climbing state simultaneously issues climbing signal, and the traction signal and climbing signal are sent to battery management unit, cell tube simultaneously
Its embedded traction Ramp program of unit starting is managed, the working condition of traction Ramp program monitoring battery is set if reaching inside
Fixed condition is then alarmed or is cut off high-speed circuit breaker and stops electric power storage tank discharge；When train is in braking process, controller is pushed away
To application position and brake signal is issued, while train detection is in descending state and issues descending signal, the braking letter
Number with descending signal be sent to battery management unit simultaneously, battery management unit starts its embedded braking descending program, braking
The working condition of descending sequential monitoring battery, if reaching inner setting condition, alarm or cutting high-speed circuit breaker stop
It charges to battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182627.6A CN109895634A (en) | 2019-03-12 | 2019-03-12 | A kind of control system and method for Straddle type monorail vehicle on-board power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910182627.6A CN109895634A (en) | 2019-03-12 | 2019-03-12 | A kind of control system and method for Straddle type monorail vehicle on-board power supply |
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| CN112622631A (en) * | 2019-10-09 | 2021-04-09 | 株洲中车时代电气股份有限公司 | Storage battery traction control method, system, equipment and storage medium |
| CN113799653A (en) * | 2021-09-08 | 2021-12-17 | 中车株洲电力机车有限公司 | Traction storage battery protection control method and system and rail transit vehicle |
| CN115416634A (en) * | 2022-10-14 | 2022-12-02 | 中国铁道科学研究院集团有限公司 | Drive control device, electromechanical brake control system and method |
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Application publication date: 20190618 |