CN105059129A - Hybrid power source, energy supply system using same and electric automobile - Google Patents

Hybrid power source, energy supply system using same and electric automobile Download PDF

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Publication number
CN105059129A
CN105059129A CN201510534346.4A CN201510534346A CN105059129A CN 105059129 A CN105059129 A CN 105059129A CN 201510534346 A CN201510534346 A CN 201510534346A CN 105059129 A CN105059129 A CN 105059129A
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China
Prior art keywords
super capacitor
energy
energy supply
power source
electrokinetic cell
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Chinese (zh)
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高小二
赵建虎
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Tianjin Santroll Electric Automobile Technology Co Ltd
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Tianjin Santroll Electric Automobile Technology Co Ltd
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Priority to CN201510534346.4A priority Critical patent/CN105059129A/en
Publication of CN105059129A publication Critical patent/CN105059129A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

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  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides a hybrid power source, an energy supply system using the same and an electric automobile. The hybrid power source is provided with a plurality of first-level direct-current energy supply devices and second-level direct-current energy supply devices. The second-level energy supply devices are connected in series. The first-level energy supply devices and the second-level energy supply devices are connected through one-way or double-way DC-DC converters one by one. According to the hybrid power source, the energy supply system using the same and the electric automobile, power batteries and super capacitors serve as the first-level direct-current energy supply devices and the second-level direct-current energy supply devices, the working voltage of the DC-DC converters is lowered through multiple converters, the working frequency of the DC-DC converters can be increased, the working efficiency of the DC-DC converters is improved accordingly, and the problems that in the prior art, DC-DC converters in a hybrid power source are large in size, high in cost, low in energy conversion efficiency, large in potential fault risk and the like are solved.

Description

Composite power source, the energy supplying system using this composite power source and electronlmobil
Technical field
The present invention relates to a kind of composite power source and the vehicle energy supplying system that possess multiple dc-dc.
Background technology
Dc-dc is widely used possessing in power supply system of DC source.Dc-dc is applied to high-power Power convert more and more in recent years, as the industry such as new-energy automobile, wind-power electricity generation.These industries pursue high-performance while, also at the volume of reduction equipment of constantly trying every possible means, to exchange the performance of more high-quality for.Nearly multi-source of commercially occurring for 2 years drives advanced person's representative of new-energy automobile this technology just.High-power bidirectional DC-DC changer has broad application prospects in fields such as electronlmobil, closed-centre system, quality of power supply adjustment, renewable energy power generation and superconductive energy storage systems.
Wherein in electronlmobil, modal composite power source is that ultracapacitor and storage battery are bonded hybrid power system, can improve the ability of high-power output in short-term of power-supply system, also possesses lasting tractive performance simultaneously.By the combination of ultracapacitor and battery, give full play to the advantage of the high power density of ultracapacitor and the high-energy-density of battery, met that hybrid vehicle accelerates in climbing, provide powerful power in start-up course.And inconsistent due to ultracapacitor and battery charging/discharging characteristic, Bidirectional up-down thus must be adopted to press DC/DC changer to make the two coupling, meet battery higher or lower than the normal discharge and recharge ensureing battery during ultracapacitor voltage; By control DC/DC changer, realize in the external charge and discharge process of hybrid power system, the power of ultracapacitor and battery distributes by battery " the best " mode of operation.
But, in currently available technology in composite power source because voltage class and power grade are all higher, make DC/DC conv have to adopt high voltage bearing device as IGBT, and such device can not reach the effect of fast response, make Systematical control have hysteresis quality, influential system performance embodies; Even in order to overcome the heating problem of high power device, need to be equipped with heat dissipation equipment, if because heat dissipation problem solves bad, the transmission efficiency of energy can be affected, very large difficulty is brought to the design of control system of electric automobile, system cost and volume are also increased to the high request of various device, is not suitable with further developing of ev industry.
Summary of the invention
In order to solve in prior art composite power source, DC/DC conv volume is excessive, high cost, energy conversion efficiency are low, the dangerous problem such as greatly of potential fault, the invention provides a kind of composite power source, and then provide a kind of energy supplying system, be not only applicable to electronlmobil field, be also applicable to various high potential superpower consumer.The high density energy is split into less energy bins by hybrid power system of the present invention, hazard rating during energy resource system fault can be reduced, simultaneously, by using multiple conv, the operating voltage of dc-dc is reduced, dc-dc frequency of operation can be improved, and then improve dc-dc work efficiency, ensure payload security smooth operation.Concrete scheme is as follows:
A kind of composite power source, possess multiple one-level direct current energy supply device and secondary direct current energy supply device, multiple secondary energy supply device is connected mutually, it is characterized in that, is connected one to one between one-level energy supply device with secondary energy supply device by dc-dc.
Wherein under a kind of embodiment, described dc-dc comprises at least 1 binistor and at least 1 coil device.
Wherein under another kind of embodiment, described dc-dc comprises at least 2 binistors and at least 1 coil device.
Wherein, described binistor is the high frequency switching device of such as MOSFET.
Further, described one-level direct current energy supply device is electrokinetic cell, and described secondary direct current energy supply device is super capacitor.
A kind of electronlmobil, use above-mentioned composite power source, also comprise entire car controller and energy management device, and be arranged at the monitoring device of electrokinetic cell and super capacitor, described energy management device is connected with described dc-dc, described monitoring device communicates with described entire car controller, and described entire car controller communicates with described energy management device.
In addition, a kind of energy supplying system, uses above-mentioned composite power source, also comprises energy management device, and is arranged at the monitoring device of electrokinetic cell and super capacitor, and described dc-dc, described monitoring device and described energy management device communicate to connect.
A kind of electronlmobil, uses above-mentioned energy supplying system, also comprises entire car controller, communicate to connect with described energy management device.
Accompanying drawing explanation
Fig. 1 is the hybrid power system structural representation that the present invention relates to;
Fig. 2 is the embodiment of the present invention one schematic diagram;
Fig. 3 is the embodiment of the present invention two schematic diagram;
Detailed description of the invention
Below, the accompanying drawing with reference to the part forming this specification sheets illustrates in greater detail embodiments of the present invention.In all of the figs same reference marker added to same or similar part and omit the description.Following examples are applied to electronlmobil for composite power source of the present invention respectively, do not represent application of the present invention and are only limitted to electronlmobil field, and any application of every use principle of the invention all falls in field of application of the present invention.
With reference to the hybrid power system of figure 1, possess multiple one-level direct current energy supply device and secondary direct current energy supply device, multiple secondary energy supply device is connected mutually, is wherein connected by dc-dc one to one between one-level energy supply device with secondary energy supply device.Detailed content of the present invention is explained further below by the present invention two embodiment shown by Fig. 2 and Fig. 3.In Fig. 2 and Fig. 3, connection lead represents electrical connection or communication connection, and solid arrow represents Energy transmission direction, and dotted arrow represents energy regenerating direction.
Embodiment one
With reference to figure 2, in this embodiment, dc-dc is Uniderectional DC-DC conv, comprises a binistor and at least one coil device.The energy can only transmit from one-level energy supply device to secondary energy supply device.In this embodiment, one-level energy supply device is energy type energy supply device, and secondary energy supply device is power-type energy supply device, and wherein a kind of situation is one-level energy supply device is electrokinetic cell, secondary energy supply device is super capacitor.More specifically, the hybrid power system of the present embodiment is made up of multiple electrokinetic cell and multiple super capacitor, and alleged electrokinetic cell can be battery unit here, also can be the series connection of multiple battery cell or battery pack that is in parallel or series-parallel connection composition; Super capacitor can be single ultracapacitor, also can in parallel or series connection or series-parallel connection form by multiple ultracapacitor super capacitor group.Be connected one to one by Uniderectional DC-DC conv between electrokinetic cell with super capacitor, and connect load after the series connection of two or more super capacitor, carry out Energy transmission.Also be provided with energy management device in this hybrid power system, be connected with each dc-dc, control the break-make of dc-dc breaker in middle.For hybrid power system of the present invention, it is significant to note that each dc-dc synchronous in control system, the energy simultaneously accepting from one-level energy supply device to make each secondary energy supply device, in order to avoid form large voltage fluctuation on secondary energy supply device circuit series, energy supply device is caused to damage.In the present embodiment, by arranging accurate timing device in energy management device, dc-dc can be controlled simultaneously.In addition, above-mentioned each electrokinetic cell and each super capacitor are respectively arranged with monitoring device, monitoring device can monitor the voltage, electric current, electricity, temperature etc. of battery and electric capacity respectively.Above-mentioned monitoring device and energy management device or entire car controller are communicated by CAN and are connected, or control turning on and off of dc-dc according to real needs after energy management device obtains above information from entire car controller, electric energy shifts from electrokinetic cell to super capacitor, finally exports.
When embodiment one composite power source is applied to electronlmobil, energy allotment can be carried out as follows:
Vehicle launch: entire car controller receives vehicle launch signal, first checks electrokinetic cell charge condition, if electricity meets entry condition, sends startup command by entire car controller to energy management device.Energy management device controls dc-dc and is powered to super capacitor by electrokinetic cell, exports electric energy by electrokinetic cell to super capacitor, and super capacitor is powered to vehicle driving motor, to drive vehicle launch simultaneously.Wherein, electrokinetic cell is in super capacitor power supply process, and uninterrupted monitoring super capacitor electricity, if super capacitor electricity exceedes the electricity upper limit Qm of setting, controls dc-dc by energy management device and turn off, stop powering to super capacitor; On the contrary, if super capacitor electricity is lower than the electricity lower limit Qm arranged, controls dc-dc by energy management device and open, continue to power to super capacitor.
Vehicle travels: in vehicle travel process, and energy management device controls dc-dc from electrokinetic cell to super capacitor transmission of electric energy, then is powered to driving motor by super capacitor, drives vehicle to travel.Therebetween, electrokinetic cell can adopt discontinuous power supply mode, monitors super capacitor electricity Q and electric current I, if electricity Q exceedes the electricity upper limit Qmax of setting by the monitoring device be arranged on super capacitor, turn off the dc-dc that electrokinetic cell connects in super capacitor, stop electric energy exporting; If electricity Q lower than arrange electricity lower limit Qmin or electric current I higher than setting upper limit Imax, continue export electric energy by electrokinetic cell to super capacitor.This power supply mode mainly causes damage to protect super capacitor to be unlikely to be overcharged or crossing to put.Specifically, when super capacitor electricity meets or exceeds upper limit Qmax, can think that continuing charging again can make super capacitor overcharge to cause super capacitor to damage, now should disconnect the connection of super capacitor and electrokinetic cell; When super capacitor electricity Q is lower than the electricity lower limit Qmin arranged, lasting electric discharge can cause super capacitor to cross to put, now should connect electrokinetic cell, to super capacitor charging to keep stable for electromigration; Or, when super capacitor outgoing current I is higher than the upper limit Imax of setting, can think that now vehicle needs lasting high-power output electric energy, electrokinetic cell should be kept to continue supply electric energy, to ensure normal vehicle operation.The opening to turn off of the detection of above electricity and dc-dc can adopt the mode known by the art personnel to realize, and repeats no more.
Energy regenerating: for electronlmobil, Brake energy recovery is indispensable part during its Conversion of Energy utilizes.Adopt composite power source of the present invention, pass through driving motor recuperated energy during brake to super capacitor, monitor level electric capacity electricity Q by super capacitor monitoring device, if reach electricity Q to reach upper limit Qmax, stop energy regenerating to protect super capacitor.
Embodiment one can be applied to motor vehicle driven by mixed power equally, carries out energy allotment as follows:
Vehicle launch: entire car controller receives vehicle launch signal, first checks electrokinetic cell charge condition, if electricity meets entry condition, sends startup command by entire car controller to energy management device; If electrokinetic cell electricity does not meet entry condition, then send startup command by entire car controller to driving engine, started by motor-powered vehicle.When vehicle is started by powered battery, energy management device controls dc-dc and is powered to super capacitor by electrokinetic cell, exports electric energy by electrokinetic cell to super capacitor, and super capacitor is powered to vehicle driving motor, to drive vehicle launch simultaneously.Wherein, electrokinetic cell is in super capacitor power supply process, and uninterrupted monitoring super capacitor electricity, if super capacitor electricity exceedes the electricity upper limit Qm of setting, controls dc-dc by energy management device and turn off, stop powering to super capacitor; On the contrary, if super capacitor electricity is lower than the electricity lower limit Qm arranged, controls dc-dc by energy management device and open, continue to power to super capacitor.
Vehicle travels: in vehicle travel process, in hybrid vehicle and electric automobile during traveling process, energy management device mode is similar, first detect electrokinetic cell electricity SOC, if electrokinetic cell electricity SOC is lower than preset value SOCmin, then start the engine carries out vehicular drive; If electrokinetic cell electricity SOC meets driving conditions higher than SOCmin, control dc-dc from electrokinetic cell to super capacitor transmission of electric energy by energy management device, then powered to driving motor by super capacitor, drive vehicle to travel.Therebetween, electrokinetic cell can adopt discontinuous power supply mode, monitors super capacitor electricity Q and electric current I, if electricity Q exceedes the electricity upper limit Qmax of setting by the monitoring device be arranged on super capacitor, turn off the dc-dc that electrokinetic cell connects in super capacitor, stop electric energy exporting; If electricity Q lower than arrange electricity lower limit Qmin or electric current I higher than setting upper limit Imax, continue export electric energy by electrokinetic cell to super capacitor.This power supply mode mainly causes damage to protect super capacitor to be unlikely to be overcharged or crossing to put.Specifically, when super capacitor electricity meets or exceeds upper limit Qmax, can think that continuing charging again can make super capacitor overcharge to cause super capacitor to damage, now should disconnect the connection of super capacitor and electrokinetic cell; When super capacitor electricity Q is lower than the electricity lower limit Qmin arranged, lasting electric discharge can cause super capacitor to cross to put, now should connect electrokinetic cell, to super capacitor charging to keep stable for electromigration; Or, when super capacitor outgoing current I is higher than the upper limit Imax of setting, can think that now vehicle needs lasting high-power output electric energy, electrokinetic cell should be kept to continue supply electric energy, to ensure normal vehicle operation.The opening to turn off of the detection of above electricity and dc-dc can adopt the mode known by the art personnel to realize, and repeats no more.
Energy regenerating: identical with electric automobile energy way of recycling, repeats no more.
Embodiment two
With reference to the hybrid power system of figure 3, possess multiple one-level direct current energy supply device and secondary direct current energy supply device, multiple secondary energy supply device is connected mutually, is wherein connected by dc-dc one to one between one-level energy supply device with secondary energy supply device.Dc-dc described in this embodiment comprises at least 4 binistors and at least 2 coil devices.Particularly, in this embodiment, dc-dc is bi-directional DC-DC converter, and the energy can transmit from one-level energy supply device to secondary energy supply device, also can transmit from secondary energy supply device to one-level energy supply device.In this embodiment, one-level energy supply device is energy type energy supply device, and secondary energy supply device is power-type energy supply device, and wherein a kind of situation is one-level energy supply device is electrokinetic cell, secondary energy supply device is super capacitor.More specifically, the hybrid power system of the present embodiment is made up of multiple electrokinetic cell and multiple super capacitor, and alleged electrokinetic cell can be battery unit here, also can be the series connection of multiple battery cell or battery pack that is in parallel or series-parallel connection composition; Super capacitor can be single ultracapacitor, also can in parallel or series connection or series-parallel connection form by multiple ultracapacitor super capacitor group.Be connected one to one by bi-directional DC-DC converter between electrokinetic cell with super capacitor, and connect load after the series connection of two or more super capacitor, carry out Energy transmission.Also be provided with energy management device in this hybrid power system, be connected with each dc-dc, control the break-make of dc-dc breaker in middle.For hybrid power system of the present invention, it is significant to note that each dc-dc synchronous in control system, the energy simultaneously accepting from one-level energy supply device to make each secondary energy supply device, in order to avoid form large voltage fluctuation on secondary energy supply device circuit series, energy supply device is caused to damage.In the present embodiment, by arranging accurate timing device in energy management device, dc-dc can be controlled simultaneously.In addition, above-mentioned each electrokinetic cell and each super capacitor are respectively arranged with monitoring device, monitoring device can monitor the voltage, electric current, electricity, temperature etc. of battery and electric capacity respectively.Above-mentioned monitoring device is connected by CAN with entire car controller, and control turning on and off of dc-dc according to real needs after energy management device obtains above information from entire car controller, electric energy shifts from electrokinetic cell to super capacitor, finally exports.
When embodiment two composite power source is applied to electronlmobil, energy allotment can be carried out as follows:
Vehicle launch: entire car controller receives vehicle launch signal, first checks electrokinetic cell charge condition, if electricity meets entry condition, sends startup command by entire car controller to energy management device.Energy management device controls dc-dc and is powered to super capacitor by electrokinetic cell, exports electric energy by electrokinetic cell to super capacitor, and super capacitor is powered to vehicle driving motor, to drive vehicle launch simultaneously.Wherein, electrokinetic cell is in super capacitor power supply process, and uninterrupted monitoring super capacitor electricity, if super capacitor electricity exceedes the electricity upper limit Qm of setting, controls dc-dc by energy management device and turn off, stop powering to super capacitor; On the contrary, if super capacitor electricity is lower than the electricity lower limit Qm arranged, controls dc-dc by energy management device and open, continue to power to super capacitor.
Vehicle travels: in vehicle travel process, and energy management device controls dc-dc from electrokinetic cell to super capacitor transmission of electric energy, then is powered to driving motor by super capacitor, drives vehicle to travel.Therebetween, electrokinetic cell can adopt discontinuous power supply mode, monitors super capacitor electricity Q and electric current I, if electricity Q exceedes the electricity upper limit Qmax of setting by the monitoring device be arranged on super capacitor, turn off the dc-dc that electrokinetic cell connects in super capacitor, stop electric energy exporting; If electricity Q lower than arrange electricity lower limit Qmin or electric current I higher than setting upper limit Imax, continue export electric energy by electrokinetic cell to super capacitor.This power supply mode mainly causes damage to protect super capacitor to be unlikely to be overcharged or crossing to put.Specifically, when super capacitor electricity meets or exceeds upper limit Qmax, can think that continuing charging again can make super capacitor overcharge to cause super capacitor to damage, now should disconnect the connection of super capacitor and electrokinetic cell; When super capacitor electricity Q is lower than the electricity lower limit Qmin arranged, lasting electric discharge can cause super capacitor to cross to put, now should connect electrokinetic cell, to super capacitor charging to keep stable for electromigration; Or, when super capacitor outgoing current I is higher than the upper limit Imax of setting, can think that now vehicle needs lasting high-power output electric energy, electrokinetic cell should be kept to continue supply electric energy, to ensure normal vehicle operation.The opening to turn off of the detection of above electricity and dc-dc can adopt the mode known by the art personnel to realize, and repeats no more.
Energy regenerating: for electronlmobil, Brake energy recovery is indispensable part during its Conversion of Energy utilizes.Adopt composite power source of the present invention, driving motor recuperated energy is passed through to super capacitor during brake, level electric capacity electricity Q is monitored by super capacitor monitoring device, if reach electricity Q to reach upper limit Qmax, energy management device controls dc-dc and connects, braking energy is recycled to electrokinetic cell by super capacitor, increases organic efficiency.
Embodiment 2 can be applied to motor vehicle driven by mixed power equally, carries out energy allotment as follows:
Vehicle launch: entire car controller receives vehicle launch signal, first checks electrokinetic cell charge condition, if electricity meets entry condition, sends startup command by entire car controller to energy management device; If electrokinetic cell electricity does not meet entry condition, then send startup command by entire car controller to driving engine, started by motor-powered vehicle.When vehicle is started by powered battery, energy management device controls dc-dc and is powered to super capacitor by electrokinetic cell, exports electric energy by electrokinetic cell to super capacitor, and super capacitor is powered to vehicle driving motor, to drive vehicle launch simultaneously.Wherein, electrokinetic cell is in super capacitor power supply process, and uninterrupted monitoring super capacitor electricity, if super capacitor electricity exceedes the electricity upper limit Qm of setting, controls dc-dc by energy management device and turn off, stop powering to super capacitor; On the contrary, if super capacitor electricity is lower than the electricity lower limit Qm arranged, controls dc-dc by energy management device and open, continue to power to super capacitor.
Vehicle travels: in vehicle travel process, in hybrid vehicle and electric automobile during traveling process, energy management device mode is similar, first detect electrokinetic cell electricity SOC, if electrokinetic cell electricity SOC is lower than preset value SOCmin, then start the engine carries out vehicular drive; If electrokinetic cell electricity SOC meets driving conditions higher than SOCmin, control dc-dc from electrokinetic cell to super capacitor transmission of electric energy by energy management device, then powered to driving motor by super capacitor, drive vehicle to travel.Therebetween, electrokinetic cell can adopt discontinuous power supply mode, monitors super capacitor electricity Q and electric current I, if electricity Q exceedes the electricity upper limit Qmax of setting by the monitoring device be arranged on super capacitor, turn off the dc-dc that electrokinetic cell connects in super capacitor, stop electric energy exporting; If electricity Q lower than arrange electricity lower limit Qmin or electric current I higher than setting upper limit Imax, continue export electric energy by electrokinetic cell to super capacitor.This power supply mode mainly causes damage to protect super capacitor to be unlikely to be overcharged or crossing to put.Specifically, when super capacitor electricity meets or exceeds upper limit Qmax, can think that continuing charging again can make super capacitor overcharge to cause super capacitor to damage, now should disconnect the connection of super capacitor and electrokinetic cell; When super capacitor electricity Q is lower than the electricity lower limit Qmin arranged, lasting electric discharge can cause super capacitor to cross to put, now should connect electrokinetic cell, to super capacitor charging to keep stable for electromigration; Or, when super capacitor outgoing current I is higher than the upper limit Imax of setting, can think that now vehicle needs lasting high-power output electric energy, electrokinetic cell should be kept to continue supply electric energy, to ensure normal vehicle operation.The opening to turn off of the detection of above electricity and dc-dc can adopt the mode known by the art personnel to realize, and repeats no more.
Energy regenerating: identical with electric automobile energy way of recycling, repeats no more.
The detailed description of the invention of technical solution of the present invention is described above by two embodiments, in order to the present invention implements better, in above embodiment, dc-dc binistor can be the high frequency switching device such as MOSFET or carborundum, and dc-dc is had, and response is fast, the feature of support high frequency.

Claims (8)

1. a composite power source, possess multiple one-level direct current energy supply device and secondary direct current energy supply device, multiple secondary energy supply device is connected mutually, it is characterized in that, is connected one to one between one-level energy supply device with secondary energy supply device by dc-dc.
2. composite power source according to claim 1, is characterized in that, described dc-dc comprises at least 1 binistor and at least 1 coil device.
3. composite power source according to claim 1, is characterized in that, described dc-dc comprises at least 2 binistors and at least 1 coil device.
4. the composite power source according to Claims 2 or 3, is characterized in that, described binistor is MOSFET element.
5. composite power source according to claim 4, is characterized in that, described one-level direct current energy supply device is electrokinetic cell, and described secondary direct current energy supply device is super capacitor.
6. an electronlmobil, use composite power source as claimed in any one of claims 1 to 5, wherein, it is characterized in that, also comprise entire car controller and energy management device, and be arranged at the monitoring device of electrokinetic cell and super capacitor, described energy management device is connected with described dc-dc, and described monitoring device communicates with described entire car controller, and described entire car controller communicates with described energy management device.
7. an energy supplying system, use composite power source as claimed in any one of claims 1 to 5, wherein, it is characterized in that, also comprise energy management device, and being arranged at the monitoring device of electrokinetic cell and super capacitor, described dc-dc, described monitoring device and described energy management device communicate to connect.
8. an electronlmobil, uses energy supplying system as claimed in claim 7, it is characterized in that, comprise entire car controller, communicates to connect with described energy management device.
CN201510534346.4A 2015-08-27 2015-08-27 Hybrid power source, energy supply system using same and electric automobile Pending CN105059129A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105480109A (en) * 2015-12-30 2016-04-13 北京新能源汽车股份有限公司 Power supply conversion device for electric automobile and electric automobile
CN107415709A (en) * 2017-09-07 2017-12-01 广西玉柴机器股份有限公司 Hybrid power system for hybrid power passenger car
CN108725235A (en) * 2017-04-18 2018-11-02 奥迪股份公司 The charging equipment and method and motor vehicle to charge for the energy storage of vehicle
CN109383614A (en) * 2017-08-03 2019-02-26 通用汽车环球科技运作有限责任公司 System and method for executing diagnosis to DC-DC converter
DE102022113199A1 (en) 2022-05-25 2023-11-30 Audi Aktiengesellschaft Motor vehicle with DC-DC converters and method for operating a motor vehicle

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105480109A (en) * 2015-12-30 2016-04-13 北京新能源汽车股份有限公司 Power supply conversion device for electric automobile and electric automobile
CN108725235A (en) * 2017-04-18 2018-11-02 奥迪股份公司 The charging equipment and method and motor vehicle to charge for the energy storage of vehicle
CN108725235B (en) * 2017-04-18 2021-08-13 奥迪股份公司 Charging device and method for charging an electrical energy store of a vehicle, and motor vehicle
CN109383614A (en) * 2017-08-03 2019-02-26 通用汽车环球科技运作有限责任公司 System and method for executing diagnosis to DC-DC converter
CN109383614B (en) * 2017-08-03 2021-08-03 通用汽车环球科技运作有限责任公司 System for performing diagnostics on a DC-DC converter
CN107415709A (en) * 2017-09-07 2017-12-01 广西玉柴机器股份有限公司 Hybrid power system for hybrid power passenger car
CN107415709B (en) * 2017-09-07 2023-08-29 广西玉柴机器股份有限公司 Composite power supply system for hybrid electric bus
DE102022113199A1 (en) 2022-05-25 2023-11-30 Audi Aktiengesellschaft Motor vehicle with DC-DC converters and method for operating a motor vehicle

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Application publication date: 20151118