CN105644377A - Dual-energy source electric vehicle - Google Patents
Dual-energy source electric vehicle Download PDFInfo
- Publication number
- CN105644377A CN105644377A CN201410650640.7A CN201410650640A CN105644377A CN 105644377 A CN105644377 A CN 105644377A CN 201410650640 A CN201410650640 A CN 201410650640A CN 105644377 A CN105644377 A CN 105644377A
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- China
- Prior art keywords
- energy
- super capacitor
- accumulator
- battery
- energy source
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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
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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
Abstract
The invention discloses a dual-energy source electric vehicle, comprising a battery, a first DC/DC converter, an inverter and an electromotor, and further comprising a super capacitor, a second DC/DC converter and a control system module. The battery is connected with the first DC/DC converter to form a first energy source, the super capacitor is connected with the second DC/DC converter to form a second energy source, the first energy source and the second energy source are connected in parallel and then are connected with the inverter, the inverter is connected with a drive device, and the battery and the super capacitor are connected with the control system module. By adopting the scheme that the battery and the super capacitor are connected in parallel for use, the peak current and peak power are provided at the instants of acceleration and start of the electric vehicle, energy can also be recycled in braking, energy input and output by the super capacitor and the battery is reasonably distributed according to actual demands, the drive performance of the electric vehicle is enhanced, and the service life of the super capacitor and the battery as supply sources of energy is prolonged.
Description
Technical field
The present invention relates to a kind of electric motor car, specifically a kind of dual energy sources electric motor car utilizing accumulator and super capacitor.
Background technology
Pure electric vehicle uses motor as power, by accumulator as energy storage units, does the energy with its electric power, it is characterized in pollution-free, without discharge, it is not necessary to gasoline, but accumulator is all much lower with gasoline phase specific energy density and power density, the onward distance of therefore electric motor car is very short. In order to improve vehicle energy utilization rate to extend onward, in the urgent need to the finite energy of optimum management car load, in order to extend the service life of lead-acid battery, require battery operated under stable low current, to carry out discharge and recharge as far as possible. In the operating mode of city, start and brake is excessively frequent, this loss significantly having deepened battery and injury, it is therefore desirable to find new method or new energy substitution product, with overcome accumulator can not the shortcoming of large current charge and electric discharge, and make up the deficiency of the low specific power of battery. Therefore, accumulator and other energy parallel connections become the hybrid-power electric vehicle research of dual energy source storage system is requisite.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of dual energy sources electric motor car, by used in parallel to super capacitor and accumulator, in order to provide large current charge and the electric discharge driveability to strengthen electric motor car.
Technical scheme: for achieving the above object, technical scheme is as follows:
A kind of dual energy sources electric motor car, including accumulator, DC/DC changer, inverter and motor, also includes super capacitor, No. two DC/DC changers and controls system module; Described accumulator is connected a number energy of formation with a DC/DC changer, and super capacitor and No. two DC/DC changers connect No. two energy of formation, the energy and being connected with inverter after No. two energy parallel connections, and inverter is connected with driving device; Accumulator and super capacitor are connected with control system module respectively.
Wherein super capacitor has high-specific-power, has extended cycle life, discharge and recharge is rapid, efficiency for charge-discharge is high, the outstanding feature such as environment friendly and pollution-free, peak point current and peak power is provided in the moment of electric motor car acceleration and startup, can also recover energy when braking, therefore super capacitor can overcome the accumulator can not the shortcoming of large current charge and electric discharge, and make up the deficiency of the low specific power of battery, super capacitor release big electric current time short and compared with accumulator better effects if;Accumulator and the super capacitor energy savings apparatus system as electric motor car in parallel provide energy to driving device for electric vehicle, also can absorb energy when energy regenerating drive system to drive unit system by output; A number DC/DC changer and No. two DC/DC changers are used for regulating the voltage of the DC link of place circuit; Inverter is in order to by the converting direct-current voltage into alternating-current voltage drive motor of direct current generator; Accumulator and super capacitor respectively connected control system module, as function power supply, controls system module and then the output of two kinds of energy and input is played regulable control effect.
Further, in the present invention, described driving device is connected to variator, is used for changing gear ratio, regulates the rotating speed adapting to wheel.
Further, in the present invention, described accumulator is provided with solar charging panel, and the application of new cleaning fuel can be effectively improved service efficiency and the service life of accumulator, and saves cost.
Beneficial effect: the invention have the benefit that the scheme using super capacitor and accumulator used in parallel, peak point current and peak power is provided in the moment of electric motor car acceleration and startup, can also recover energy when braking, the energy that reasonable distribution super capacitor inputs with accumulator and exports according to the actual requirements, the driveability of enhancing electric motor car, prolongation super capacitor and accumulator are as the service life of energy supply source.
Accompanying drawing explanation
Accompanying drawing 1 is the driving operating diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of dual energy sources electric motor car, including accumulator, DC/DC changer, inverter and motor, also include super capacitor, No. two DC/DC changers and control system module; Described accumulator is connected a number energy of formation with a DC/DC changer, and super capacitor and No. two DC/DC changers connect No. two energy of formation, the energy and being connected with inverter after No. two energy parallel connections, and inverter is connected with driving device; Accumulator and super capacitor are connected with control system module respectively; Preferably, driving device is connected to variator; Accumulator is provided with solar charging panel and schedules to last automatic charging.
Embodiment 1
When electric motor car is when starting and suddenly accelerate, drive system needs relatively high power, scm managing system control super capacitor that is No. two energy controlling system module preferentially carries out heavy-current discharge output, namely the power source of the driving device of vehicle mostlys come from super capacitor, and accumulator does not work; When the battery remaining power (being called for short SOC) of super capacitor is lower than the lower limit set, it is impossible to meet output requirement, then super capacitor does not work, by battery discharging energy supply.
Embodiment 2
When electric motor car smooth-ride, drive system is little to power demand, and the scm managing system controlling system module controls mainly just to be met energy requirement by the electric discharge energy supply of an accumulator that is energy, and super capacitor does not work.
Embodiment 3
When electric motor car is when accelerating or climb, drive system needs very high-power, the scm managing system control super capacitor controlling system module works together with an accumulator that is energy and No. two energy, reasonably distribute the power export ratio of the two, namely accumulator keeps low discharging current energy supply, super capacitor then carries out heavy-current discharge output, strengthens drive system kinetic energy;When the SOC value of super capacitor is lower than the lower limit set, it is impossible to meet output requirement, then super capacitor does not work, still by battery discharging energy supply.
Embodiment 4
When electric motor car is in descending, slides or brake, motor is in generating state, the scm managing system controlling system module controls preferential to super capacitor charging i.e. No. two energy, if the SOC value of super capacitor is higher than the higher limit set, then reasonably distribute charging according to the respective SOC value of accumulator and super capacitor.
Through the dual energy sources energy supply type of drive of embodiment 1-4, the present invention effectively integrated application accumulator and super capacitor parallel connection can carry out energy work rate output, strengthens driveability, and limits the output of the big electric current of accumulator and input strengthens life-span of accumulator.
The above is only the preferred implementation of invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (3)
1. a dual energy sources electric motor car, it is characterised in that: include accumulator, DC/DC changer, inverter and motor, also include super capacitor, No. two DC/DC changers and control system module; Described accumulator is connected a number energy of formation with a DC/DC changer, and super capacitor and No. two DC/DC changers connect No. two energy of formation, the energy and being connected with inverter after No. two energy parallel connections, and inverter is connected with driving device; Accumulator and super capacitor are connected with control system module respectively.
2. dual energy sources electric motor car according to claim 1, it is characterised in that: described driving device is connected to variator.
3. dual energy sources electric motor car according to claim 1, it is characterised in that: described accumulator is provided with solar charging panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410650640.7A CN105644377A (en) | 2014-11-14 | 2014-11-14 | Dual-energy source electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410650640.7A CN105644377A (en) | 2014-11-14 | 2014-11-14 | Dual-energy source electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105644377A true CN105644377A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410650640.7A Pending CN105644377A (en) | 2014-11-14 | 2014-11-14 | Dual-energy source electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN105644377A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160324A (en) * | 2016-07-11 | 2016-11-23 | 张小清 | Comprise electric bicycle electric power auxiliary supplementary device and the control method of electromotor |
| CN106553557A (en) * | 2016-11-11 | 2017-04-05 | 江苏理工学院 | It is applied to the composite power source and power distribution control method of mixed power electric car |
| CN106976401A (en) * | 2017-05-05 | 2017-07-25 | 张廷祥 | A kind of graphene lithium battery super capacitor dual intensity operated control method and system |
| CN108608871A (en) * | 2018-03-19 | 2018-10-02 | 江苏大学 | A kind of automobile-used composite energy storing device and its working method based on lithium battery, super capacitor and flying wheel battery |
| CN109038776A (en) * | 2018-06-24 | 2018-12-18 | 山东华车能源科技有限公司 | A kind of powered locomotive power supply system of dual power supply and rail locomotive |
| CN110014861A (en) * | 2018-04-02 | 2019-07-16 | 驰创科技（天津）有限公司 | A kind of electric vehicle composite power source structure |
| CN110497801A (en) * | 2018-05-18 | 2019-11-26 | 株式会社日立制作所 | The current distribution units and current distribution method of automobile-used composite battery |
| CN111976505A (en) * | 2019-05-21 | 2020-11-24 | 重庆九环新越新能源科技发展有限公司 | IEMS control method and system for power output of battery and capacitor composite energy storage device |
| CN116620052A (en) * | 2023-07-10 | 2023-08-22 | 康明斯新能源动力(上海)有限公司 | Hybrid power system, controller and vehicle |
-
2014
- 2014-11-14 CN CN201410650640.7A patent/CN105644377A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160324A (en) * | 2016-07-11 | 2016-11-23 | 张小清 | Comprise electric bicycle electric power auxiliary supplementary device and the control method of electromotor |
| CN106160324B (en) * | 2016-07-11 | 2019-09-10 | 杭州东方文化园旅业集团有限公司 | Electric bicycle electric power auxiliary supplementary device and control method comprising generator |
| CN106553557A (en) * | 2016-11-11 | 2017-04-05 | 江苏理工学院 | It is applied to the composite power source and power distribution control method of mixed power electric car |
| CN106553557B (en) * | 2016-11-11 | 2019-02-15 | 江苏理工学院 | Composite power source and power distribution control method applied to mixed power electric car |
| CN106976401A (en) * | 2017-05-05 | 2017-07-25 | 张廷祥 | A kind of graphene lithium battery super capacitor dual intensity operated control method and system |
| CN108608871A (en) * | 2018-03-19 | 2018-10-02 | 江苏大学 | A kind of automobile-used composite energy storing device and its working method based on lithium battery, super capacitor and flying wheel battery |
| CN110014861A (en) * | 2018-04-02 | 2019-07-16 | 驰创科技（天津）有限公司 | A kind of electric vehicle composite power source structure |
| CN110497801A (en) * | 2018-05-18 | 2019-11-26 | 株式会社日立制作所 | The current distribution units and current distribution method of automobile-used composite battery |
| CN109038776A (en) * | 2018-06-24 | 2018-12-18 | 山东华车能源科技有限公司 | A kind of powered locomotive power supply system of dual power supply and rail locomotive |
| CN111976505A (en) * | 2019-05-21 | 2020-11-24 | 重庆九环新越新能源科技发展有限公司 | IEMS control method and system for power output of battery and capacitor composite energy storage device |
| CN116620052A (en) * | 2023-07-10 | 2023-08-22 | 康明斯新能源动力(上海)有限公司 | Hybrid power system, controller and vehicle |
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Application publication date: 20160608 |
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| WD01 | Invention patent application deemed withdrawn after publication |