CN206884947U - A kind of super capacitor system for vehicle braking energy recovery - Google Patents
A kind of super capacitor system for vehicle braking energy recovery Download PDFInfo
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- CN206884947U CN206884947U CN201720597783.5U CN201720597783U CN206884947U CN 206884947 U CN206884947 U CN 206884947U CN 201720597783 U CN201720597783 U CN 201720597783U CN 206884947 U CN206884947 U CN 206884947U
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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
- Y02T10/72—Electric energy management in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
It the utility model is related to a kind of super capacitor system for vehicle braking energy recovery, it is characterised in that:First energy-storage module maximum operating voltage is identical with the second energy-storage module maximum operating voltage, and the minimum operating voltage of the second energy-storage module is identical with the minimum operating voltage that vehicle is activated individually in the first energy-storage module;First energy-storage module is connected in parallel with the second energy-storage module, and the 3rd energy-storage module is connected in series with the first energy-storage module and the second energy-storage module, is connected by DC/DC converters with inverter and startup/generator;Super capacitor control unit and the first energy-storage module, the second energy-storage module and the 3rd energy-storage module connecting communication.Solves the problem of battery efficiency is low, and service life is short in vehicle braking energy removal process.
Description
Technical field
Vehicle braking energy recovery system is the utility model is related to, being used for vehicle braking energy more particularly to one kind reclaims
Super capacitor system.
Background technology
Publication No. CN103538482A patent disclose it is a kind of can power-assisted and reclaim braking energy automobile start and stop system
System, needs high-performance battery for existing start stop system frequent starting engine, adds cost, battery short time big electricity
Stream charging and discharging capabilities are limited to be difficult to reclaim braking energy;The problem of effective power-assisted can not be provided for engine.System includes electric power storage
Pond, the BSG units of motor and electric machine controller composition, super capacitor, unidirectional buck converter, starter motor, start stop system control
Device.During engine cold-start, battery is starter motor power supply, and unidirectional buck converter works in non-decompression mode, BSG units with
Noenergy exchanges between super capacitor.When batteries to store energy is not enough to normally start, super capacitor passes through unidirectional buck converter
Charged for battery;Noenergy exchanges between battery and starter motor, also noenergy between starter motor and unidirectional buck converter
Exchange.When engine thermal starts, super capacitor is powered through the scarlet electric machine controller of BSG units for motor, and motor is in electronic
Operation mode;Unidirectional buck converter works in non-decompression mode, and noenergy exchanges between battery and starter motor.Overtaking other vehicles and
In short-term during the operating mode such as climbing, automobile needs high pulling torque to drive, and motor is operated in motoring condition and provides power-assisted for engine.Power-assisted mistake
The energy of journey and engine thermal start-up course flows to identical, but the rotating speed of motor is higher during power-assisted, power output is bigger.
During automobile brake, BSG units charge to super capacitor, meanwhile, BSG units charge through unidirectional buck converter for battery;Store
Noenergy exchanges between battery and starter motor, and also noenergy exchanges between starter motor and unidirectional buck converter.Super capacitor stores up
When energy deficiency charges normal, the motor work in BSG units is in generating state, is that super capacitor charges through electric machine controller,
Unidirectional buck converter work is in non-decompression mode, and noenergy exchanges between battery and starter motor.Publication No.
CN102658802A patent discloses a kind of auto idle speed start stop system and composite power source, holds for battery in the prior art
The problem of being vulnerable to infringement.System includes energy-storage units, is made up of battery and super capacitor, and starting motor includes motor mould
Formula and generator operation mode, motor driver, Technics of Power Electronic Conversion device, state monitoring apparatus, electronic control unit, with electricity
Machine driver, vehicle condition monitoring device, converters device, startup motor, energy-storage units communication connection, for root
The parameter detected according to vehicle condition monitoring device, judge whether the state that can stop in startup, traveling, idling start and stop, with
The energy transfer between the operating of engine, motor driver, and energy-storage units and startup motor is controlled, improves fuel economy
And prolonging service life of battery.
Energy source of the battery as starter motor is used on startup for existing automobile starting/stopping system, and battery uses
Short life, production cost is high, while can not reclaim the problem of storing braking energy in braking.Publication No. CN105291862A
Chinese patent disclose a kind of automobile starting/stopping system and method based on super capacitor, the system include controller, starter motor,
Battery voltage measuring module and tie point, the tie point include the first electronic switch and battery of concatenation, electric power storage
Cell voltage measurement module is connected respectively at battery with controller, and starter motor is connected by engine with generator, starter motor, hair
Motivation and generator are connected with controller, and the both ends of tie point connect the both ends of generator and the both ends of starter motor respectively,
Also include temperature detecting module, capacitance voltage measurement module, circuit selecting module;The both ends of second branch road connect generator respectively
Both ends and starter motor both ends, the second branch road include concatenation super capacitor and the second electronic switch, thermal module respectively with hair
Motivation is connected with controller, and capacitance voltage measurement module is connected with super capacitor and controller;First electronic switch, the second electronics
Switch is connected by circuit selecting module with controller respectively.Compared with prior art, the invention cost is cheap, super during startup
Electric capacity preferentially drives starter motor, avoids heavy current impact battery, extends battery life;System has battery and super capacitor
Two kinds of power resources, redundant reliability is ensured, can be recovered energy in braking procedure.Publication No. CN104129319A,
CCCN203974575U patent discloses a kind of auto idle speed start stop system of band brake energy regenerating, including with engine phase
The BSG motors and DC/DC converters of connection, the voltage class of super capacitor are 24V, and during automobile brake, BSG motors are by control
Device is generated 24V electricity and charged for super capacitor, and during automobile normal running, BSG motors via controller and DC/DC converters generate 14V electricity and be
Battery charges.Loss of the high current to automobile batteries when reducing the initiation culture of automobile starter and avoiding starting, without increasing
Super capacitor recovers energy when adding starter motor and battery, and braking.Publication No. CN201310394672.0 patent discloses
A kind of automobile composite energy storage start stop system of recyclable braking energy, repeatedly start engine for existing system and cause battery
Frequent heavy-current discharge, the life-span is had a strong impact on, kinetic energy when conventional accumulators effectively can not be reclaimed and braked using vehicle is asked
Topic.The system includes battery, motor subsystem, super capacitor, bi-directional buck converter, and motor subsystem includes motor and electricity
Machine controller.Super capacitor can be the quick power supply of vehicle-mounted high dynamic response demand load, effectively realize regenerative braking energy storage.
In summary analysis can reduce discharge and fuel, electric energy as can be seen that vehicle installs brake energy recovering system additional
Equal energy source consumes, but because vehicle is in braking procedure, especially under the operating mode of city, continually to energy-storage battery large current density
Electricity, cause its life-span rapid decay, frequently change, add use cost.Therefore, it is necessary to feature is braked from vehicle, with reference to
Energy storage device advantage, develop corresponding energy-recuperation system.
The content of the invention
The utility model purpose is to provide a kind of super capacitor system for vehicle braking energy recovery, solves vehicle system
The problem of battery efficiency is low in energy removal process, and service life is short.At this stage, the energy storage device for vehicle energy recovery
Major part is lead-acid battery, Ni-MH battery and lithium ion battery, because the performance of battery limits, on the one hand to have big allowance to expire
Sufficient vehicle momentary high power exports operating mode, and the frequent discharge and recharge of another aspect battery, the especially frequent discharge and recharge of high current, decay is sternly
Weight, it is impossible to effectively recover energy.
What technical solutions of the utility model were realized in:A kind of super capacitor system for vehicle braking energy recovery
System, including the first energy-storage module, the second energy-storage module, the 3rd energy-storage module and super capacitor control unit, it is characterised in that:The
One energy-storage module maximum operating voltage is identical with the second energy-storage module maximum operating voltage, the minimum operating voltage of the second energy-storage module
It is identical with the minimum operating voltage that vehicle is activated individually in the first energy-storage module;First energy-storage module is in parallel with the second energy-storage module even
Connect, the 3rd energy-storage module is connected in series with the first energy-storage module and the second energy-storage module, by DC/DC converters and inverter and
Startup/generator connection;Super capacitor control unit is connected with the first energy-storage module, the second energy-storage module and the 3rd energy-storage module
Communication.
The first described energy-storage module is tight by conductor by the cylindrical type super capacitor monomer positive and negative terminals of two and the above
It is solidly connected, the balanced circuit board of collection/monitoring super capacitor monomer voltage, temperature and monomer is fixedly connected on a pole pole
On, isolated between the monomer both positive and negative polarity conductor place of being fastenedly connected and the monomer face of cylinder and modular tank with the silicagel pad that insulate, monomer it
Between arrangement form air-cooled passage, circuit board connects with the communication of super capacitor control unit.
The second described energy-storage module is fastened by the square super capacitor monomer both positive and negative polarity of two and the above by conductor to be connected
Connect, the circuit board balanced with collection/monitoring super capacitor monomer voltage, temperature and monomer connection, monomer both positive and negative polarity conductor is tight
Isolated between the place of being solidly connected and monomer between modular tank with the silicagel pad that insulate, being arranged between monomer forms air-cooled passage, electricity
Road plate connects with the communication of super capacitor control unit.
The 3rd described energy-storage module is fastened by the square super capacitor monomer both positive and negative polarity of two and the above by conductor to be connected
Connect, the circuit board balanced with collection/monitoring super capacitor monomer voltage, temperature and monomer connection, arrange and formed between monomer
Air-cooled or liquid cold passage, circuit board connect with the communication of super capacitor control unit.
Described super capacitor cylindrical type and square monomer inner core are takeup type structure.
Good effect of the present utility model is that super capacitor system undertakes the moment height started with Brake Energy removal process
Power load, electric energy loss is reduced, low-temperature cool starting, the lifting of electric property is realized, effectively reclaims braking energy, be engine
Power-assisted is provided, is vehicle-mounted power supply for electrical equipment, it is non-maintaining in the service life cycle, reduce customer using cost.
Brief description of the drawings
Fig. 1 is super capacitor system circuit diagram of the present utility model.
Fig. 2 is super capacitor discharge curve feature schematic diagram of the present utility model.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings, a kind of super capacitor system for vehicle energy recovery
System, i.e., based on super capacitor system with realize vehicle launch, Brake energy recovery, load supplying and vehicle traveling power-assisted;Its
It is characterised by:First energy-storage module 1 is connected in parallel with the second energy-storage module 2, the 3rd energy-storage module 3 and the first energy-storage module 1 and
Second energy-storage module 2 is connected in series, and is connected by DC/DC converters 4 with inverter and startup/generator;3rd energy-storage module 3
It is connected by DC/DC converters 5 with startup/generator.As shown in Figure 1.K1, K2, G1, G2, S1, S2 respectively with super capacitor control
Unit processed(CCU)Connection.When vehicle is the first energy-storage module 1, the second energy-storage module 2, the charging of the 3rd energy-storage module, super capacitor
Control unit(CCU)By controlling S1 break-make to realize, different energy-storage modules charge;K1 is in super capacitor in DC/DC converters 4
Control unit(CCU)Lower switch conducting is controlled, forms loop with energy storage inductor L1 and electric capacity C1, inductance L produces arteries and veins by self-induction
Voltage is rushed, forms loop with K2, electric capacity C1, the voltage that electric capacity C1 both ends obtain is the first energy-storage module 1 and/or the second energy storage mould
The energy-storage module 3 of block 2 and/or the 3rd is powered.Super capacitor control unit(CCU)By controlling S1, S2 break-make to realize different energy storage
Module be vehicle launch power supply, S1 disconnect S2 conducting when, the first energy-storage module 1 or with the second energy-storage module 2 be vehicle launch confession
Electricity;When S2 disconnects S1 conductings, the 3rd energy-storage module 3 is powered by DC/DC converters 5 for vehicle launch, in DC/DC converters 5
G1 is in super capacitor control unit(CCU)Lower switch conducting is controlled, forms loop with energy storage inductor L2 and electric capacity C2, inductance L2 leads to
Cross self-induction and produce pulse voltage, form loop with G2, electric capacity C2, the voltage that electric capacity C2 both ends obtain is powered for vehicle launch.This
Control unit in embodiment(CCU)It can be integrated with said modules, a stand-alone assembly and full-vehicle control can also be used as
Device connects or insertion.
Second energy-storage module 2 and the 3rd energy-storage module 3 are integrated in a casing, and A ends are 48V terminals, and A ' is 16V ends
Son;First energy-storage module 1 is independent another casing, is connected with A ' terminals, B ends and motor connection;
First energy-storage module 1 is by 6 takeup type cylindrical type super capacitor monomers(2.7V 1500F 0.55mΩ)Both positive and negative polarity
Post is connected in series by conductor fastening, and the balanced circuit board of collection/monitoring super capacitor monomer voltage, temperature and monomer is fixed
It is connected on negative pole pole, with the silica gel that insulate between the monomer both positive and negative polarity conductor place of being fastenedly connected and the monomer face of cylinder and modular tank
Pad is isolated, and being arranged between monomer forms air-cooled passage, and circuit board connects with the communication of super capacitor control unit;First energy-storage module
During power supply, super capacitor monomer positive discharge voltage linear reduces in the first energy-storage module, has discharge curve(I)Feature;It is super
The voltage linear rise of level electric capacity monomer negative discharge, has discharge curve(II)Feature, as shown in Figure 2;Monomer highest work electricity
Pressure Uc1 is 2.56V, the minimum operating voltage Uc of monomerlim1For 1.48V, vehicle operation voltage is activated individually in the first energy-storage module 1
Ulim1For 9.6V, 1 minimum operating voltage U of the first energy-storage modulelim2It is all monomer minimum voltage Uc for 8.8Vlim1Sum
99%;Maximum operating voltage Us1 is 15.2V, rated voltage 16V.
Second energy-storage module 2 is by 5 winding square super capacitor monomers(3.8V 2200F 2.0mΩ)Fastened by conductor
It is connected in series, the monomer circuit board connection balanced with collection/monitoring super capacitor monomer voltage, temperature and monomer, monomer is just
Isolated between the cathode conductor place of being fastenedly connected and monomer between modular tank with the silicagel pad that insulate, being arranged between monomer forms wind
Cold passage, circuit board connect with the communication of super capacitor control unit.When second energy-storage module 2 is powered, surpass in the second energy-storage module 2
Level electric capacity monomer positive discharge voltage linear reduces, and has discharge curve(I)Feature;Super capacitor monomer super capacitor monomer is born
Pole discharge voltage tends to be constant, has discharge curve(III)Feature, as shown in Figure 2;Second energy-storage module, 2 minimum operating voltage
With the operating voltage U of the first energy-storage module 1lim1Identical is 9.6V, the maximum operating voltage of the second energy-storage module 2 and the first energy storage mould
The maximum operating voltage Us1 of block 1 identical is 15.2V;
3rd energy-storage module 3 is by 10 takeup type square super capacitor monomers(3.8V 2200F 2.0mΩ)Both positive and negative polarity leads to
Cross conductor fastening to be connected in series, the monomer circuit board balanced with collection/monitoring super capacitor monomer voltage, temperature and monomer connects
Connect, being arranged between monomer forms air-cooled passage, and circuit board connects with the communication of super capacitor control unit.In 3rd energy-storage module 3
Super capacitor monomer positive discharge voltage linear reduces, and has discharge curve(I)Feature;Super capacitor monomer negative discharge voltage
Tend to be constant, there is discharge curve(III)Feature, as shown in Figure 2;Super capacitor monomer maximum operating voltage Uc2 is 3.42V,
Minimum operating voltage Uclim2For 2.28V, 3 minimum operating voltage U of the 3rd energy-storage modulelim2For 19.2V, maximum operating voltage Us1
For 28.8V, rated voltage 32V.
Described super capacitor cylindrical type and square monomer inner core are takeup type structure, and described super capacitor monomer is positive and negative
Activated carbon, the activated carbon parameter such as table 1 below are contained in an at least pole in electrode
Specific surface area(m2/g) | 1408.33 |
Average pore size(nm) | 2.15 |
Pore volume(cm3/g) | 0.76 |
Mesoporous ratio(%) | 53.30 |
Ash content(%) | 0.13 |
Claims (5)
1. a kind of super capacitor system for vehicle braking energy recovery, including the first energy-storage module, the second energy-storage module, the
Three energy-storage modules, DC/DC converters and super capacitor control unit, it is characterised in that:First energy-storage module maximum operating voltage
Identical with the second energy-storage module maximum operating voltage, the minimum operating voltage of the second energy-storage module is activated individually with the first energy-storage module
The minimum operating voltage of vehicle is identical;First energy-storage module is connected in parallel with the second energy-storage module, the 3rd energy-storage module and first
Energy-storage module and the second energy-storage module are connected in series, and are connected by DC/DC converters with inverter and startup/generator;It is super
Capacity control unit and the first energy-storage module, the second energy-storage module and the 3rd energy-storage module connecting communication.
A kind of 2. super capacitor system for vehicle braking energy recovery according to claim 1, it is characterised in that institute
The first energy-storage module stated is fastenedly connected by the cylindrical type super capacitor monomer positive and negative terminals of two and the above by conductor, is adopted
The balanced circuit board of collection/monitoring super capacitor monomer voltage, temperature and monomer is fixedly connected on a pole pole, and monomer is positive and negative
Isolated between the pole conductor place of being fastenedly connected and the monomer face of cylinder and modular tank with the silicagel pad that insulate, being arranged between monomer forms wind
Cold passage, circuit board connect with the communication of super capacitor control unit.
A kind of 3. super capacitor system for vehicle braking energy recovery according to claim 1, it is characterised in that institute
The second energy-storage module stated is fastenedly connected by the square super capacitor monomer both positive and negative polarity of two and the above by conductor, with collection/
The balanced circuit board connection of monitoring super capacitor monomer voltage, temperature and monomer, monomer both positive and negative polarity conductor be fastenedly connected place and
Isolated between monomer between modular tank with the silicagel pad that insulate, between monomer arrangement form air-cooled passage, circuit board with it is super
Capacity control unit communications connect.
A kind of 4. super capacitor system for vehicle braking energy recovery according to claim 1, it is characterised in that institute
The 3rd energy-storage module stated is fastenedly connected by the square super capacitor monomer both positive and negative polarity of two and the above by conductor, with collection/
The balanced circuit board of monitoring super capacitor monomer voltage, temperature and monomer connects, and being arranged between monomer, it is cold to form air-cooled or liquid
Passage, circuit board connect with the communication of super capacitor control unit.
A kind of 5. super capacitor system for vehicle braking energy recovery according to claim 1, it is characterised in that institute
The super capacitor cylindrical type and square monomer inner core stated are takeup type structure.
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CN201720597783.5U CN206884947U (en) | 2017-05-26 | 2017-05-26 | A kind of super capacitor system for vehicle braking energy recovery |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108501729A (en) * | 2018-01-23 | 2018-09-07 | 上海展枭新能源科技有限公司 | A kind of energy-storage system and its charging/discharging thereof of alternate track traffic braking resistor |
CN110001407A (en) * | 2019-03-20 | 2019-07-12 | 江苏大学 | A kind of brake energy recovering system based on bimodulus series connection composite power source |
-
2017
- 2017-05-26 CN CN201720597783.5U patent/CN206884947U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108501729A (en) * | 2018-01-23 | 2018-09-07 | 上海展枭新能源科技有限公司 | A kind of energy-storage system and its charging/discharging thereof of alternate track traffic braking resistor |
CN110001407A (en) * | 2019-03-20 | 2019-07-12 | 江苏大学 | A kind of brake energy recovering system based on bimodulus series connection composite power source |
CN110001407B (en) * | 2019-03-20 | 2021-05-25 | 江苏大学 | Braking energy recovery system based on dual-mode series composite power supply |
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