CN203126503U - Hybrid electric vehicle using composite power supply power system - Google Patents
Hybrid electric vehicle using composite power supply power system Download PDFInfo
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- CN203126503U CN203126503U CN2013200932473U CN201320093247U CN203126503U CN 203126503 U CN203126503 U CN 203126503U CN 2013200932473 U CN2013200932473 U CN 2013200932473U CN 201320093247 U CN201320093247 U CN 201320093247U CN 203126503 U CN203126503 U CN 203126503U
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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
- Y02T10/62—Hybrid vehicles
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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
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model belongs to the technical field of hybrid electric vehicles and particularly relates to a hybrid electric vehicle using a power battery- super capacitor module composite power supply power system. The power system is composed of a composite power supply system, a motor and an engine. The composite power supply system is composed of a super capacitor module, a power battery, a power converter and a power supply control system. The power converter utilizes the direct current- direct current conversion principle, and the super capacitor module and the power battery are connected to achieve energy transfer between the super capacitor module and the power battery. The composite power supply system is connected with the motor through a direct current (DC)/ alternating current (AC) module, the super capacitor module is formed by connecting 100-200 super capacitor single bodies in series, the power supply control system transmits signals through a controller area network (CAN) bus, a sensor is used for collecting various current state quantity, the collected values are transmitted to a control unit to be processed, and the control unit provides a hybrid power solution scheme for the vehicles according to different collected values and the whole vehicle requirements.
Description
Technical field
The utility model belongs to the hybrid vehicle technical field, is specifically related to a kind of hybrid vehicle that uses dynamics battery-super capacitance module composite power source power system.
Background technology
World today energy problem highlights day by day, and people seeking various solutions, tap a new source of energy, improve energy utilization rate.Hybrid electric vehicle industry is in the ascendant, and it has energy-saving and environmental protection and characteristics such as efficient, is paid close attention to widely and pays much attention to.Power system wherein is the core of hybrid vehicle, improve power system capacity usage ratio, prolong its service life, energy-conserving and environment-protective, our core focus of paying close attention to just.
The existing hybrid vehicle of China and corresponding scheme have generally been taked the method for pure battery or pure capacitance stores electric energy.When vehicle travels in the city, can start continually, accelerate and brake, driving engine can require a lot of energy moment when startup and acceleration, and battery need provide big electric current at this moment, can cause the damage of battery like this, shortens its service life.When Jake brake, conventional batteries is recuperated energy effectively, and a large amount of braking energys is by the brake facing friction, produces heat and runs off.
Though super capacitor itself can receive and discharge big electric current moment, because its lower energy density can not satisfy big capacity power storage.
Also the someone proposes to use simultaneously the energy storage mode of super capacitor and electrokinetic cell: short distance is used super capacitor, long-distance use electrokinetic cell.This method has bigger shortcoming equally, and electric energy still can't take full advantage of, and electrokinetic cell also can produce when brake starts in long-distance use and damage.
Usually all use the DC/DC energy conversion module in addition at present, but this high power module price is very expensive, and the control system accuracy requirement is very high, causes the system failure easily.
Aspect existing theory and technology, application number is that 201210160441.9 patent of invention " auto idle speed start stop system and composite power source " has provided a kind of idling start-stop-hybrid power system, this system is when automotive operation and braking, and the mode that reclaims electric energy by electric power generation, super capacitor reclaims electric energy.This scheme actv. reclaims energy unnecessary in the vehicle operating process, plays the effect of energy-saving and emission-reduction.But its scheme is charged to super capacitor with electrokinetic cell when automobile stops, the over discharge that causes electrokinetic cell easily, shorten the service life of electrokinetic cell, and the energy output when automobile runs into climbing descending highway section does not consider there be not comprehensively to consider energy utilization and the recovering state of vehicle with input.
Application number is that 200810057390.0 patent of invention " a kind of dynamics battery-super capacitance mixed dynamic system of used for electric vehicle " has provided a kind of dynamics battery-super capacitance mixed dynamic system that has, this system adopts electrokinetic cell series connection to boost and in parallelly with super capacitor behind the DC/DC changer provides power for motor, two-way DC/DC changer and 24V electrokinetic cell have been increased simultaneously, this method can absorb certain feedback braking energy, but the electric weight to the super capacitor group is not specifically described, can not guarantee that can vehicle obtain enough energy under various road conditions from super capacitor, and not propose the too much release electric energy scheme of electric weight in the super capacitor.
The utility model content
The purpose of this utility model is to propose a kind of application to form the hybrid vehicle of composite power source power system by super capacitor module and electrokinetic cell, has energy-saving and environmental protection, advantage such as durable.
Being made up of hybrid power system, motor and driving engine of hybrid power automobile power system of the present utility model, described hybrid power system is made up of super capacitor module, electrokinetic cell, power converter and power control system.Power converter uses the DC-to-DC transfer principle, connects super capacitor module and electrokinetic cell, realizes the transfer of energy between super capacitor module and electrokinetic cell; Hybrid power system is joined by DC/AC module and motor, the DC/AC module is converted to the alternating current that can make machine operation with the direct current (DC) that hybrid power system produces, this moment, motor was in electric model, perhaps the alternating current that motor is produced is converted to direct current (DC), be super capacitor module or power battery charging, this moment, motor was in power generation mode.
The super capacitor module is by 100～200 super capacitor monomer series-connected compositions.Super capacitor uses the physical method storage of electrical energy, stores often, and the life-span is long, also has outstanding physical property in the time of subzero 40 degrees centigrade, can work under cold snap.Described driving engine can be gasoline engine, also can be multiple different driving engines such as diesel engine.Described motor can be switched reluctance machines, also can be permagnetic synchronous motor.
The topological structure of power control system such as accompanying drawing 6, by CAN bus transfer signal, use sensor to gather the current various quantity of states of automobile, and the collection value is sent to control unit handle, control unit is according to different collection values and car load demand, judge the information about power of super capacitor and electrokinetic cell, send instruction by relay, for vehicle provides the hybrid power solution.
The utility model proposes a kind of new scheme, use super capacitor as the pulse current storage tool, use the long-time storage of electrical energy of electrokinetic cell.Effectively utilize the energy of the frequent braking of vehicle in the city and idling loss, and the potential variation during ascents and descents, the oil consumption of vehicle reduced, energy-conserving and environment-protective.
The technical solution adopted in the utility model is: the motor of hybrid vehicle links to each other with power-transfer clutch, change speed gear box by transmission shaft, with the main reduction gear of driving engine coaxial drive wheel, drives vehicle together and travels.
When vehicle launch, power control system disconnection electrokinetic cell is connected with the DC/AC module, motor is electric motor mode, the work of power control system control super capacitor module, from the electric current of super capacitor module after the DC/AC module converts is for alternating current for motor provides starting current, thereby start vehicle.When vehicle power was not enough, power control system control motor provided power-assisted for automobile.Starting current can be provided to provide 3 times the capacity of super capacitor module of the present utility model, has increased the startup stability of vehicle.
Behind the vehicle launch, power control system makes electrokinetic cell be connected with the DC/AC module, by electrokinetic cell by the DC/AC module to the motor continued power, reach certain speed of a motor vehicle after, insert driving engine and start the engine by power-transfer clutch.
Vehicle sends electric capacity and electrokinetic cell data to control unit by the various sensors in the power control system when running state; The state of power control system control composite power source through experiment test, need remain the electric capacity electric weight in more than 1/3 of total volume, can guarantee that like this electric capacity has the energy of normal startup vehicle.When super capacitor module electric weight was not enough, under the effect of power control system, the engine drive motor produced electric energy and be stored in the super capacitor module after the DC/AC module converts, or is directly charged to the super capacitor module by electrokinetic cell, as accompanying drawing 4.When electric energy in the super capacitor module reaches 2/3 when above of total volume; sensor sends the data of gathering to control unit; control unit control super capacitor module is transferred to electrokinetic cell with electric energy stored or by the discharge circuit in parallel with the super capacitor module unnecessary electric weight is bled off; electric weight is 2/3 of total volume in the super capacitor module, with the protection hybrid power system.
When needs are braked, power-transfer clutch disconnects contacting of driving engine and transmission shaft, transmission shaft connects motor and main reduction gear, power control system control super capacitor module is stopped power supply, and main reduction gear drives motor by transmission shaft and rotates, because rotor links to each other with transmission shaft is coaxial, transmission shaft drives rotor and rotates, thereby generating produces electric current, and electric current is transferred to the storage of super capacitor module place through the DC/AC module converts.And wheel makes mechanical energy be converted into electric energy owing to drive electric power generation, and mechanical energy reduces, and rotating speed reduces, and realizes car brakeing.
When vehicle driving up, power control system control electrokinetic cell or super capacitor module are the motor power supply, for driving engine provides power-assisted; When the vehicle descending, vehicle need the braking, motor as mentioned above method play brake action and the generating, with power storage to the super capacitor module.
Preceence of the present utility model: in urban traffic situation, vehicle starts frequently and brakes, because the super capacitor module has the very fast speed that discharges and recharges, can bear instantaneous peak value and discharge and recharge load.And the super capacitor module has outstanding physical property, and its charge discharge efficiency is about 99%, and cycle number can reach several 100,000 times, thereby has improved energy utilization efficiency and the service life of whole power system.After having installed hybrid power system additional, vehicle can adopt more low power driving engine can obtain power before, and fuel saving ratio is about 25%.
Description of drawings
Fig. 1: Ni-MH battery is as the application scheme drawing of electrokinetic cell on mixed power car;
Fig. 2: lead-acid battery is as the application scheme drawing of electrokinetic cell on mixed power car;
Fig. 3: lithium ion battery is as the application scheme drawing of electrokinetic cell on mixed power car;
Fig. 4: the topology theory figure of composite power source charge-discharge circuit;
Fig. 5: composite power source and DC/AC module annexation circuit diagram;
Fig. 6: the topology theory figure of power control system.
The specific embodiment
Embodiment 1
As shown in Figure 1, use the structure of the hybrid vehicle of hybrid power system to comprise Ni-MH battery 1, super capacitor module 2, driving engine 3, DC/AC module 4, change speed gear box 5, power-transfer clutch 6, motor 7, power converter 8.
Wherein super capacitor module 2 is composed in series by 150 super capacitor monomers (as 2.7V, the 3000F super capacitor monomer of U.S. Maxwell company production), and the module specification is 405V, 20F.Driving engine 3 adopts gasoline engine, also can use diesel engine.Motor 7 is switched reluctance machines or permagnetic synchronous motor.Used Ni-MH battery 1 is the metal hydride nickel power battery, and its specification is 336V, 40Ah.
Specifically, when automobile starting, motor is electric motor mode, under the effect of power control system, disconnection electrokinetic cell 1 is connected with DC/AC's, and super capacitor module 2 connects motor 7 by the DC/AC module, and makes starting current of super capacitor module 2 outputs, electric current is that alternating current is motor 7 power supplies through the DC/AC module converts, makes motor 7 work.Motor 7 connects transmission shaft, and transmission shaft connects the main reduction gear of driving engine 3 and wheel, thereby starts vehicle.
Behind the vehicle launch, under the effect of power control system, disconnect being connected of super capacitor module 2 and motor 7, by Ni-MH battery 1 to motor 7 continued powers, the speed of a motor vehicle greater than 5km/h after, insert driving engine 3 by power-transfer clutch, and start the engine 3, finish the startup of automobile, said process has realized that super capacitor module and electrokinetic cell are the motor power supply, and auxiliary engine promotion vehicle travels.
In the process of the normal operation of vehicle, Ni-MH battery 7 is motor 7 power supplies by the DC/AC module directly, for motor provides sufficient power, guarantees that automobile normally moves.
When under situations such as automobile climbing or heavy duty, causing under power, Ni-MH battery 1 is the motor power supply, this moment, the switching by power-transfer clutch linked to each other with driving engine motor by transmission shaft, motor provides enough high pulling torques for driving engine, thereby realizes that power control system control motor 7 provides power-assisted for automobile.
Vehicle is when normal operating condition, state by control unit control composite power source, monitor the electric weight in Ni-MH battery 1 and the super capacitor module 2 in real time, under the situation of electric weight deficiency in the two, motor is become generator mode, drive electric power generation by driving engine, with electrical power storage in Ni-MH battery 1 and super capacitor module 2.
When vehicle need be braked, motor is generator mode, vehicular transmission shaft connects motor 7 and main reduction gear, and power control system control super capacitor module 2 is stopped power supply when braking mode, and switch motor 7 circuit, wheel drives motor 7 rotations by transmission shaft like this, because motor 7 rotors link to each other with transmission shaft is coaxial, transmission shaft drives rotor and rotates, thereby generating produces electric current, electric current is transferred to the storage of super capacitor module 2 places through the DC/AC module converts.And wheel makes mechanical energy be converted into electric energy owing to drive electric power generation, and mechanical energy reduces, and rotating speed reduces, and realizes car brakeing.
Through experiment test, need remain electric weight in the super capacitor module 2 in more than 1/3 of total volume, can guarantee that like this super capacitor module 2 has the energy of normal startup vehicle.When super capacitor module 2 electric weight were not enough, the energy that is reclaimed by motor 7 places was stored in super capacitor module 2 places, or was directly charged to super capacitor module 2 by Ni-MH battery 1.When the electric weight in the super capacitor module 2 reaches 2/3 when above of total volume; control super capacitor module 2 is transferred to Ni-MH battery 1 with electric energy stored; electric weight returns to 2/3 of total volume in super capacitor module 2; after Ni-MH battery 1 storage reaches the upper limit; electric energy is supplied with the motor operation or is directly discharged, with the protection hybrid power system.In the hybrid power system, it is high-power that the power division principle of super capacitor module and Ni-MH battery is that super capacitor module 2 absorbs or discharges, and Ni-MH battery 1 output or accept stable power.And when vehicle needed power-assisted, motor 7 was in electric model, and the electric current that Ni-MH battery 1 provides is that alternating current is motor 7 power supplies through the DC/AC module converts.Motor 7 connects transmission shaft, and transmission shaft connects driving engine 3 and wheel, has increased the power of vehicle.
The charge and discharge process of whole composite power source as shown in Figure 4; the super capacitor module is by impacting electric capacity 10 in the entire circuit; and discharging resistance protection 11; when feedback voltage is excessive, shield by impacting electric capacity 10; electric weight is too much in the super capacitor module; and under the situation that can not be utilized; power control system control super capacitor module is transferred to electric energy stored electrokinetic cell or passes through discharging resistance 11; electric weight is discharged; not breakdown with protection super capacitor module; more than two components and parts guaranteed that the super capacitor module in charging and discharging process, is not damaged.
Embodiment 2
As shown in Figure 2, the key distinction of Fig. 2 and Fig. 1 is electrokinetic cell by lead-acid battery 21 replacement Ni-MH batteries 1, and so far, China is the producing country of whole world plumbic acid electrokinetic cell maximum, China is in the application of battery of electric vehicle, adopt the quantity of lead-acid power accumulator maximum, cost is low than electrokinetic cell, the lead-acid battery memory-less effect, environmental pollution is little, its composition that contains pollution is fewer, and returnability is good, has at present more widely to use.Its control policy is identical with the control policy of embodiment 1.
As shown in Figure 3, electrokinetic cell adopts lithium ion battery 22, and the specific energy of lithium ion battery 22, life-span and high rate during charging-discharging are than the lead-acid power accumulator height.Its control policy is identical with the control policy of embodiment 1 and embodiment 2, and because the characteristic of lithium ion itself, effect is better than embodiment 2, but the lithium ion battery price is more expensive relatively.
The method of use present embodiment is applied on 306 road hybrid-power bus of Changchun tests, its normal fuel consumption of 100km is 21～28L diesel oil, after using hybrid power system of the present utility model and solution, fuel consumption of 100km is reduced to 17～23L diesel oil after tested, and the energy recovery utilization rate can reach about 23%.
The above only is preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, and all simple conversion of doing according to the utility model claim and description all should still belong to the protection domain that the utility model covers.
Claims (6)
1. hybrid vehicle that uses the composite power source power system, it is characterized in that: power system is made up of hybrid power system, motor and driving engine, hybrid power system is made up of super capacitor module, electrokinetic cell, power converter and power control system, power converter uses the DC-to-DC transfer principle, connect super capacitor module and electrokinetic cell, realize the transfer of energy between super capacitor module and electrokinetic cell; Hybrid power system is joined by DC/AC module and motor, the super capacitor module is by 100～200 super capacitor monomer series-connected compositions, power control system is by CAN bus transfer signal, use sensor to gather current various quantity of states, and the collection value is sent to control unit handle, control unit is according to different collection values and car load demand, for vehicle provides the hybrid power solution.
2. a kind of hybrid vehicle that uses the composite power source power system as claimed in claim 1, it is characterized in that: when vehicle launch, power control system disconnection electrokinetic cell is connected with the DC/AC module, motor is electric motor mode, the work of power control system control super capacitor module, from the electric current of super capacitor module after the DC/AC module converts is for alternating current for motor provides starting current, thereby start vehicle; Behind the vehicle launch, the work of power control system control electrokinetic cell, by electrokinetic cell by the DC/AC module to the motor continued power, reach certain speed of a motor vehicle after, insert driving engine by power-transfer clutch, and start the engine; When vehicle power was not enough, power control system control motor provided power-assisted for automobile.
3. a kind of hybrid vehicle that uses the composite power source power system as claimed in claim 1, it is characterized in that: vehicle is when running state, when the not enough total volume of super capacitor electric weight 1/3 the time, under the effect of power control system, the engine drive motor produces electric energy and is stored in the super capacitor module after the DC/AC module converts, or is directly charged to the super capacitor module by electrokinetic cell; When electric energy in the super capacitor module reaches 2/3 when above of total volume; under the control of power control system; the super capacitor module is transferred to electrokinetic cell with electric energy stored or by the discharge circuit in parallel with the super capacitor module unnecessary electric weight is bled off; electric weight is 2/3 of total volume in the super capacitor module, with the protection hybrid power system.
4. a kind of hybrid vehicle that uses the composite power source power system as claimed in claim 1, it is characterized in that: when car brakeing, power-transfer clutch disconnects contacting of driving engine and transmission shaft, transmission shaft connects motor and main reduction gear, power control system control super capacitor module is stopped power supply, main reduction gear drives motor by transmission shaft and rotates generating generation electric current, and electric current is transferred to the storage of super capacitor place after the DC/AC module converts; Electric power generation makes mechanical energy be converted into electric energy, and mechanical energy reduces, and rotating speed reduces, thereby realizes car brakeing.
5. a kind of hybrid vehicle that uses the composite power source power system as claimed in claim 1, it is characterized in that: described motor is switched reluctance machines or permagnetic synchronous motor, driving engine is gasoline engine or diesel engine.
6. a kind of hybrid vehicle that uses the composite power source power system as claimed in claim 1, it is characterized in that: described electrokinetic cell is Ni-MH battery, lead-acid battery or lithium ion battery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013200932473U CN203126503U (en) | 2013-03-01 | 2013-03-01 | Hybrid electric vehicle using composite power supply power system |
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| CN2013200932473U CN203126503U (en) | 2013-03-01 | 2013-03-01 | Hybrid electric vehicle using composite power supply power system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144526A (en) * | 2013-03-01 | 2013-06-12 | 中国第一汽车股份有限公司 | Hybrid power vehicle using composite power supply power system |
| CN103921663A (en) * | 2014-04-30 | 2014-07-16 | 厦门市福工动力技术有限公司 | Dual-motor dual-clutch hybrid power system and control method thereof |
| CN105365595A (en) * | 2015-11-13 | 2016-03-02 | 宁波市江北九方和荣电气有限公司 | Power battery and super capacitor power system for electric vehicle and controlling method |
-
2013
- 2013-03-01 CN CN2013200932473U patent/CN203126503U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144526A (en) * | 2013-03-01 | 2013-06-12 | 中国第一汽车股份有限公司 | Hybrid power vehicle using composite power supply power system |
| CN103921663A (en) * | 2014-04-30 | 2014-07-16 | 厦门市福工动力技术有限公司 | Dual-motor dual-clutch hybrid power system and control method thereof |
| CN103921663B (en) * | 2014-04-30 | 2016-05-04 | 厦门市福工动力技术有限公司 | The hybrid power system of bi-motor double clutch and control method thereof |
| CN105365595A (en) * | 2015-11-13 | 2016-03-02 | 宁波市江北九方和荣电气有限公司 | Power battery and super capacitor power system for electric vehicle and controlling method |
| CN105365595B (en) * | 2015-11-13 | 2017-08-25 | 宁波市江北九方和荣电气有限公司 | Electric automobile power battery and super capacitor dynamical system and control method |
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