CN106314183A - Double-super-capacitor energy management system and method of electric vehicle - Google Patents
Double-super-capacitor energy management system and method of electric vehicle Download PDFInfo
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- CN106314183A CN106314183A CN201610811844.3A CN201610811844A CN106314183A CN 106314183 A CN106314183 A CN 106314183A CN 201610811844 A CN201610811844 A CN 201610811844A CN 106314183 A CN106314183 A CN 106314183A
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- Prior art keywords
- super capacitor
- super
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
-
- 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
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/44—Control modes by parameter estimation
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a double-super-capacitor energy management system and method of an electric vehicle. The system comprises a battery, a super-capacitor 1, a super-capacitor 2, a computer module, a driving state module, a motor control module, a motor and a discharge resistor. Due to the two super-capacitors, the defect that when only one super-capacitor is arranged, excess energy in certain running states cannot be completely recovered is overcome, and energy waste is avoided; through charge and discharge control, electric energy recovery can be carried out at any time when one of the two super-capacitors is in an empty electricity state, needed high current can be provided for the motor at any time when the other of the two super-capacitors is in a full electricity state, the probability that the capacitors participate in system work is increased, the service life of the battery is prolonged, and the system runs more efficiently.
Description
Technical field
The invention belongs to electric vehicle engineering field, be specifically related to a kind of novel electric automobile energy management system and side
Method.
Background technology
Being affected by energy crisis and environmental problem, electric automobile enters the high-speed developing period in recent years.Electronic vapour
Car uses the electric energy of cleaning, can effectively alleviate the pressure of environment and resource, and increasing people selects to buy electric automobile.
And how electric automobile realizes the efficient utilization to electric energy in using, it it is one of the key problem in electric vehicle engineering field.
During electric automobile during traveling, when the anxious acceleration of needs or upward slope, it is provided that the motor of kinetic energy needs bigger driving
Electric current, if now individually being powered by battery, excessive electric current output can cause battery to shorten；When needs slow down or under
During slope, motor is in generating state, can produce the biggest current feedback during high rotating speed, if directly by battery recycling, can cause electricity
The damage in pond.The appearance of super capacitor then can preferably solve these problems.
The electric automobile energy management that the compound energy system being made up of " battery-super electric capacity " at present is more advanced is
System.Battery energy density is very big, but is limited by electrochemical reaction speed, it is impossible to quickly absorb or discharge high-power；And
Super capacitor power density is big, can absorb at short notice or discharge relatively high power, provides buffering for other equipment.Both collocation
Use, performance complement, extend battery: the energy that battery storage is main, responsible relatively small electric current exports；Super
Electric capacity can be responsible for the electric current high-power, big that when snubber motor runs up, generating produces, it is also possible to provides electric automobile
Accelerate or climbing time motor needed for larger current.Under some running status, such as during distance descending, super capacitor
Finite capacity, it may not be possible to preferably carry out energy regenerating, certain energy waste can be caused, run counter to and efficiently utilize principle；
Or in such as automobilism, in fact it could happen that super capacitor energy expenditure is complete, but do not experience deceleration descending and charge to super capacitor
Situation, if being the most again accelerated, in super capacitor, energy is not enough, will be supplied by battery system the biggest electricity flow direction motor
Electricity, can damage battery, reduces battery life.Therefore, can be at conventional battery-super electric capacity if adding a set of super capacitor
Reclaiming the energy on the basis of compound energy system further, the collocation of two set super capacitors uses, can be more efficient as one
Electric automobile energy management system.
Summary of the invention
Solve the technical problem that
For solve super capacitor in some cases that existing " battery-super electric capacity " compound energy system of constituting exists without
Method participates in energy regenerating or provides the problem of energy, the invention provides a kind of electric automobile double super capacitor energy conservation system
System, by increasing a set of super capacitor on the basis of original " battery-super electric capacity " compound energy, can more efficiently protect
Protect the battery system of electric automobile, improve driving performance and the energy recovery efficiency of electric automobile.
Technical scheme
The double super capacitor energy management system of a kind of electric automobile, it is characterised in that: include battery, super capacitor 1, super
Electric capacity 2, computer module, transport condition module, motor control module and motor, discharge resistance.
Battery is used for storing electric energy, and powers to super capacitor 1 and motor control module；Super capacitor 1 and super capacitor 2
For storing and reclaim electric energy, and power to battery and motor control module；Motor control module is for commutation inversion and controls
Motor speed；Transport condition module is used for gathering motoring condition, and is sent to computer module；Computer module is to other
Each module carries out signal detection and data process, and sends control signal to other modules；Discharge resistance is used for absorbing super electricity
The energy held.
The double super capacitor energy management method of a kind of electric automobile, it is characterised in that: computer module passes through transport condition
Module detection electric automobile running status, and by judging that running status carries out system control, specific as follows:
1) when automobile starting: battery is that super capacitor 1 charges, in order to both can supply for motor control module simultaneously
Electricity；
2) when vehicle starting, accelerate, go up a slope time: super capacitor 2 is detected by computer module, if in super capacitor 2
Be in can power supply state, then jointly powered to motor control module by super capacitor system 2 and battery；Otherwise, by super capacitor 1
Jointly power to motor control module with battery, to meet the big electric current needed for motor；
3) when automobile at the uniform velocity travels: individually powered to motor control module by battery, computer module is super to two
Electric capacity detects, if two super capacitors are state to be charged, then super capacitor 1 is charged by battery；
4) when automobile brake, descending: motor is in generating state, two super capacitors are examined by computer module
Survey, if super capacitor 1 be in can power supply state, then by super capacitor 2 reclaim the electric energy of motor, super capacitor 1 to battery charge；
Otherwise reclaimed the electric energy of motor by super capacitor 1, super capacitor 2 charges the battery；
If the full electricity of super capacitor reclaiming electric energy during braking descending, then change and reclaimed electric energy by another super capacitor,
The super capacitor of full electricity charges the battery, it is ensured that two super capacitors at least one be in the shape that can reclaim electric energy at any time
State；
5) when automobile is in flameout state: computer module controls two super capacitors and charges the battery successively；
6) when automobile is in parking checking or maintenance: computer module controls two super capacitors and puts to discharge resistance
Electricity, to ensure personal safety when operating.
Beneficial effect
The double super capacitor energy management system of a kind of electric automobile of the present invention, inherits by " battery-super electric capacity " structure
The advantage of the compound energy system become, and when compensate for only one of which super capacitor, under some running status, excess energy is not
The deficiency that can reclaim completely, it is to avoid energy waste；By charge and discharge control, making in two super capacitors, one is in empty electricity
Can carry out electric energy recovery at any time, another is then in full electricity can provide required big electric current for motor at any time, improves electric capacity and participates in system
The probability of system work, extends battery life and makes the more efficient operation of system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the double super capacitor EMS of a kind of electric automobile of the present invention.
Fig. 2 is the basic flow sheet of the double super capacitor energy management method of a kind of electric automobile of the present invention.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings, and the present invention includes but are not limited to following enforcement
Example.
As it is shown in figure 1, the double super capacitor EMS of a kind of electric automobile that the present invention proposes, include: battery,
Super capacitor 1, super capacitor 2, computer module, transport condition module, motor control module and motor, discharge resistance.
Energy transmission aspect includes the battery unidirectional power supply to motor control module；Battery and the two-way confession of super capacitor 1
Electricity；The super capacitor 2 unidirectional power supply to battery；Super capacitor 1,2 is to electric machine controller module for power supply and can be reversed electric energy
Reclaim；The bidirectional electric energy transmission of motor and motor control module.
Signal transmission aspect includes computer module detection battery, super capacitor 1 and the capacity information of super capacitor 2, and
Battery, super capacitor 1, super capacitor 2 are carried out charge and discharge control；Motor is run by computer module by motor control module
State detects, and motor control module is sent control signal, to control motor operation；Transport condition module obtains automobile
Running status is also sent to computer module, and computer module carries out battery, electric capacity and motor according to motoring condition and controls
Charge and discharge control between module, and electric capacity is to discharge resistance electric discharge etc..
Fundamental mode is: battery storage electric energy, is responsible for small-power output；Two super capacitors are responsible for powerful time
Receive and output.When system is run, by battery and the connection of super capacitor, computer module adjust and control, at least ensure
In two super capacitors, one has electricity, the high-power output accelerated for the most contingent electric automobile and go up a slope；Simultaneously
Another empty electricity, the high-power energy that so may be used for the most contingent electric vehicle brake and descending reclaims.When one
The full electricity of individual super capacitor, during another super capacitor sky electricity, if now there is energy regenerating, is then reclaimed by the super capacitor of empty electricity
Energy, another super capacitor charges the battery；If two super capacitors are all empty electricity, then give by battery when at the uniform velocity travelling
Super capacitor 1 charges, to ensure the empty electricity of two super capacitors one, the state of a full electricity.
As in figure 2 it is shown, a kind of electric automobile double super capacitor energy management method, mainly computer module are by travelling
Block of state detection electric automobile running status, by judging that running status carries out the control of system, the control of different running statuses
Method processed is as follows:
1) when automobile starting: battery is powered to computer module, transport condition module, motor control module, makes each
Module activation is started working；Meanwhile, battery charges to super capacitor 1, in order to provide big electric current for motor during electric automobile starting.
2) when vehicle starting, accelerate, go up a slope time: computer module detection super capacitor 2 capacity, if super capacitor 2 is
Can power supply state (default can be carried out, as electricity more than 50% be can power supply state, otherwise, for state to be charged), by surpassing
Level electric capacity 2 and battery are powered to motor control module jointly；Otherwise jointly supplied to motor control module by super capacitor 1 and battery
Electricity, it is ensured that the small area analysis output of battery.
3) when automobile at the uniform velocity travels: individually being powered to motor control module by battery, (now needed for motor, electric current is relatively
Little), and two super capacitor states of COMPUTER DETECTION, if being all state to be charged, then control battery and super capacitor 1 is charged
(the most only needing low current charge).
4) when automobile brake, descending: computer module two super capacitor states of detection, if super capacitor 1 is to be available for
Electricity condition, then the energy produced when being reclaimed electric power generation by super capacitor 2, battery is charged by super capacitor 1；Otherwise by super electricity
Holding 1 to recover energy, super capacitor 2 charges the battery；If the feelings that a super capacitor is fully charged occur during braking descending
Condition, then change another super capacitor reclaim electric energy, now, fully charged super capacitor charges the battery, with ensure two super
Electric capacity at least one be in the state that can recover energy at any time；
5) when electric automobile hand inspection to be carried out and maintenance: control two super capacitors and discharge to resistance, it is ensured that entering
Personal safety during row operation.
6) electric automobile be in long term stop or flame-out time: control two super capacitors and charge the battery successively.
Claims (2)
1. the double super capacitor energy management system of electric automobile, it is characterised in that: include battery, super capacitor 1, super electricity
Hold 2, computer module, transport condition module, motor control module and motor, discharge resistance；
Wherein, battery is used for storing electric energy, and powers to super capacitor 1 and motor control module；Super capacitor 1 and super capacitor
2 are used for storing and reclaiming electric energy, and power to battery and motor control module；Motor control module is for commutation inversion and controls
Motor speed；Transport condition module is used for gathering motoring condition, and is sent to computer module；Computer module is to other
Each module carries out signal detection and data process, and sends control signal to other modules；Discharge resistance is used for absorbing super electricity
The energy held.
2. the double super capacitor energy management method of electric automobile utilizing system described in claim 1, it is characterised in that: meter
Calculation machine module detects electric automobile running status by transport condition module, and by judging that running status carries out system control,
Specific as follows:
1) when automobile starting: battery is that super capacitor 1 charges, in order to both can power for motor control module simultaneously；
2) when vehicle starting, accelerate, go up a slope time: super capacitor 2 is detected by computer module, if being in super capacitor 2
Can power supply state, then jointly powered to motor control module by super capacitor system 2 and battery；Otherwise, by super capacitor 1 and electricity
Pond powers to motor control module jointly, to meet the big electric current needed for motor；
3) when automobile at the uniform velocity travels: individually powered to motor control module by battery, computer module is to two super capacitors
Detecting, if two super capacitors are state to be charged, then super capacitor 1 is charged by battery；
4) when automobile brake, descending: motor is in generating state, two super capacitors are detected by computer module, if
Super capacitor 1 be in can power supply state, then by super capacitor 2 reclaim the electric energy of motor, super capacitor 1 to battery charge；Otherwise
Reclaimed the electric energy of motor by super capacitor 1, super capacitor 2 charges the battery；
If the full electricity of super capacitor reclaiming electric energy during braking descending, then change and reclaimed electric energy, full electricity by another super capacitor
Super capacitor charge the battery, it is ensured that two super capacitors at least one be in the state that can reclaim electric energy at any time；
5) when automobile is in flameout state: computer module controls two super capacitors and charges the battery successively；
6) when automobile is in parking checking or maintenance: computer module controls two super capacitors and discharges to discharge resistance, with
Ensure personal safety when operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610811844.3A CN106314183B (en) | 2016-09-09 | 2016-09-09 | A kind of Control of Electric Vehicles method based on double super capacitor energy management systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610811844.3A CN106314183B (en) | 2016-09-09 | 2016-09-09 | A kind of Control of Electric Vehicles method based on double super capacitor energy management systems |
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| CN106314183A true CN106314183A (en) | 2017-01-11 |
| CN106314183B CN106314183B (en) | 2019-06-21 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531288A (en) * | 2014-12-04 | 2015-04-22 | 重庆加州润滑油有限责任公司 | Special antifreezing lubricating oil for motorcycle engine |
| CN108583327A (en) * | 2018-04-25 | 2018-09-28 | 南京越博动力系统股份有限公司 | A kind of power management system of Double battery electric vehicle |
| WO2019085228A1 (en) * | 2017-11-03 | 2019-05-09 | 中车株洲电力机车有限公司 | Rail traffic hybrid power circuit, energy storage power pack, and power supply method therefor |
| CN112590566A (en) * | 2020-12-17 | 2021-04-02 | 武汉格罗夫氢能汽车有限公司 | Fuel cell hydrogen energy automobile power supply system and management method thereof |
| CN113328452A (en) * | 2021-06-08 | 2021-08-31 | 湖南汽车工程职业学院 | Retired power battery and retired super capacitor combined mobile energy storage charging system |
| CN114179632A (en) * | 2021-12-10 | 2022-03-15 | 奇瑞汽车股份有限公司 | Vehicle power supply system, power supply method and vehicle |
| CN115946538A (en) * | 2022-12-07 | 2023-04-11 | 上海采日能源科技有限公司 | Electric automobile braking energy control method and device and electronic equipment |
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| CN102616145A (en) * | 2012-03-29 | 2012-08-01 | 青岛易特优电子有限公司 | Regenerative braking energy storage device for electric automobile |
| CN103770654A (en) * | 2012-10-19 | 2014-05-07 | 储向阳 | Super-capacitor assisted starting device of electric automobile |
| CN203840047U (en) * | 2014-05-07 | 2014-09-17 | 上海浩锐动力科技有限公司 | Dual-power-supply coupling device and hybrid electric vehicle thereof |
| CN104821610A (en) * | 2015-05-14 | 2015-08-05 | 西北工业大学 | Three-level high-reliability renewable energy control method and device based on double super-capacitor module groups |
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| US20030197489A1 (en) * | 2002-04-17 | 2003-10-23 | Sameer Prabhu | Method and apparatus for maximizing hybrid vehicle energy management |
| CN102616145A (en) * | 2012-03-29 | 2012-08-01 | 青岛易特优电子有限公司 | Regenerative braking energy storage device for electric automobile |
| CN103770654A (en) * | 2012-10-19 | 2014-05-07 | 储向阳 | Super-capacitor assisted starting device of electric automobile |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531288A (en) * | 2014-12-04 | 2015-04-22 | 重庆加州润滑油有限责任公司 | Special antifreezing lubricating oil for motorcycle engine |
| WO2019085228A1 (en) * | 2017-11-03 | 2019-05-09 | 中车株洲电力机车有限公司 | Rail traffic hybrid power circuit, energy storage power pack, and power supply method therefor |
| CN108583327A (en) * | 2018-04-25 | 2018-09-28 | 南京越博动力系统股份有限公司 | A kind of power management system of Double battery electric vehicle |
| CN108583327B (en) * | 2018-04-25 | 2021-12-28 | 南京越博动力系统股份有限公司 | Electric quantity management system of double-battery electric vehicle |
| CN112590566A (en) * | 2020-12-17 | 2021-04-02 | 武汉格罗夫氢能汽车有限公司 | Fuel cell hydrogen energy automobile power supply system and management method thereof |
| CN113328452A (en) * | 2021-06-08 | 2021-08-31 | 湖南汽车工程职业学院 | Retired power battery and retired super capacitor combined mobile energy storage charging system |
| CN113328452B (en) * | 2021-06-08 | 2023-11-17 | 湖南汽车工程职业学院 | Retired power battery and retired super capacitor combined movable energy storage charging system |
| CN114179632A (en) * | 2021-12-10 | 2022-03-15 | 奇瑞汽车股份有限公司 | Vehicle power supply system, power supply method and vehicle |
| CN115946538A (en) * | 2022-12-07 | 2023-04-11 | 上海采日能源科技有限公司 | Electric automobile braking energy control method and device and electronic equipment |
| CN115946538B (en) * | 2022-12-07 | 2024-01-30 | 上海采日能源科技有限公司 | Electric automobile brake actuation energy control method and device and electronic equipment |
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| CN106314183B (en) | 2019-06-21 |
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