CN106972609A - The control method of regenerative system and regenerative system - Google Patents
The control method of regenerative system and regenerative system Download PDFInfo
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- CN106972609A CN106972609A CN201611033647.XA CN201611033647A CN106972609A CN 106972609 A CN106972609 A CN 106972609A CN 201611033647 A CN201611033647 A CN 201611033647A CN 106972609 A CN106972609 A CN 106972609A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0307—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using generators driven by a machine different from the vehicle motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Control Of Charge By Means Of Generators (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides the control method of regenerative system and regenerative system, can efficiently reclaim regeneration energy during deceleration, prevents from reducing the voltage of load supply when restarting internal combustion engine from idle stop state.Regenerative system has：Generator, it is generated electricity using kinetic energy when internal combustion engine and deceleration；Battery and capacitor, are powered by generator to the battery and capacitor；Potentiometer, it measures the voltage of capacitor；1st switch, it is arranged between generator and battery；2nd switch, it is arranged between generator and capacitor；Two-way DC/DC converters, its one end is connected between battery and the 1st switch, and the other end is connected between capacitor and the 2nd switch；1st load, it is connected between one end of the converter and the 1st switch；Starter motor, it starts internal combustion engine；And control unit, it controls the 1st switch, the 2nd switch and two-way DC/DC converters according to the magnitude of voltage of capacitor and the operating condition of internal combustion engine.
Description
Technical field
The present invention relates to the control method of regenerative system and regenerative system.
Background technology
In the past, it is known to and regard kinetic energy during vehicle deceleration as the regenerative system for regenerating energy utilization.For example, patent document
1 discloses a kind of automotive power supply system using the regeneration energy that efficiently reclaims during vehicle deceleration etc. as problem.The vehicle is used
Power-supply system has the different main power source of voltage and auxiliary power the two batteries.The main power source of lead battery is when engine is started pair
Starter is powered, and the main power supply carried out prior to auxiliary power to typically loading.Easily detect the lithium ion of state
The charging acceptance of the auxiliary powers such as battery is excellent, and the regenerated electric power sent by generator is stored when being used as vehicle deceleration
The redundant power of electricity.Main power source and auxiliary power are supplied by the 1st power supply circuit with DC/DC converters and the with switch the 2nd
Circuit is attached.Auxiliary power not via DC/DC converters directly just can from generator reclaiming energy, therefore,
Energy regenerating can efficiently be carried out.
In addition, patent document 2 disclose it is a kind of with only by closing switch controlling so that do not occur short circuit wait for problem
Vehicle power source device.The vehicle power source device has：Main power source and in vehicle deceleration to being produced again by generator
Auxiliary power the two batteries that raw energy is charged；And diode, its between main power source and auxiliary power connecting valve and
DC/DC converters and main power source and DC/DC converters.The anode-side of the diode is connected with the output end of DC/DC converters,
Cathode side is connected with main power source.The vehicle power source device, come the opening and closing of controlling switch, works as pass according to the output voltage of auxiliary power
When make and break is closed, only by the control of closing switch short circuit will not occur for the action without controlling DC/DC converters and switch simultaneously
And power-off.
In addition, patent document 3 disclose it is a kind of with even in electric loading consumption electric current more than DC/DC converters maximum
Also various electric loadings are carried out with the vehicle power control device that appropriate power supply is problem in the case of output current.Should
Vehicle power control device has the power supply circuit of the 1st power supply circuit~the 3rd.1st power supply circuit company via DC/DC converters
Connect electrical storage device and the 1st vehicle electrical loads.2nd power supply circuit company via the bypass cock with DC/DC converter parallel configurations
Connect electrical storage device and the 1st vehicle electrical loads.3rd power supply circuit connects electrical storage device and the 2nd vehicle electrical via DC/DC converters
Load.By the 2nd power supply circuit to the 1st vehicle electrical loads carry out power supply when, make DC/DC changer actions while by
3rd power supply circuit carries out power supply to the 2nd vehicle electrical loads, and bypass cock is set into on-state.
In addition, patent document 4 disclose it is a kind of to lift vehicle power source device of the specific fuel consumption as problem.The vehicle
Reduced speed now to wait with supply unit and vehicle and accordingly stop supplying internal combustion engine fuel, also, be more than and advise in the speed of vehicle
Make generator action in the case of constant speed degree, using the regenerated electric power exported from generator, realized using via DC/DC converters
The power supply of capacitor is charged to capacitor by generator.Thus, except stopping the fuel supply to internal combustion engine
Beyond situation, in the deceleration that the stopping that fuel is supplied is released from (for example, before vehicle stopping is tight etc.), also can be by the 2nd
Power supply is charged with lifting specific fuel consumption.
In addition, patent document 5 disclose it is a kind of with using different charging voltages efficiently to the 1st battery and the 2nd store
Battery be charged as the power supply control apparatus of problem.Power supply control apparatus control is by alternating current generator to battery and load
Power supply and power supply by battery to load.In the power supply control apparatus, by alternating current generator to storage battery power supply
Supply path provided with switch, on the supply path by alternating current generator to battery and load supplying provided with switch.And
And, DC/DC converters are arranged between the connecting node between battery and switch and load, to alternating current generator or battery
Output voltage carry out transformation, and the voltage after transformation is applied to load.Control unit is according to the charge information obtained from outside
Each SOC of shown battery comes the on/off of controlling switch and action/stopping of DC/DC converters.Thus, energy
It is enough that individually the 1st battery and the 2nd battery are charged respectively, therefore, it is possible to be stored using different charging voltages to the 1st
Battery and the 2nd battery are charged.
【Patent document 1】Japanese Unexamined Patent Publication 2004-328988 publications
【Patent document 2】Japanese Unexamined Patent Publication 2010-195336 publications
【Patent document 3】Japanese Unexamined Patent Publication 2013-119331 publications
【Patent document 4】Japanese Unexamined Patent Publication 2015-009790 publications
【Patent document 5】Japanese Unexamined Patent Publication 2015-002636 publications
The content of the invention
The present invention provides regenerative system and its control method, can be by efficiently reclaiming regeneration energy during vehicle deceleration
To improve specific fuel consumption, furthermore it is possible to the voltage supplied when preventing from restarting from idle stop state internal combustion engine to load
Reduction.
In order to solve above-mentioned problem there is provided a kind of regenerative system, the regenerative system has：Generator, it is to be equipped on
The kinetic energy when internal combustion engine and vehicle deceleration of vehicle is generated electricity for motive power；Battery, is powered by the generator to the battery；Electricity
Container, is powered by generator to the capacitor；Potentiometer, it measures the voltage of the capacitor；1st switch, it is arranged at generating
Between machine and battery；2nd switch, it is arranged between generator and capacitor；Two-way DC/DC converters, its one end is connected to
Between battery and the 1st switch, the other end is connected between capacitor and the 2nd switch；1st load, it is connected to two-way DC/DC and turned
Between one end of parallel operation and the 1st switch；Starter motor, it is used to start internal combustion engine, is connected to generator and the 1st switch and the 2nd
Between switch；And control unit, the magnitude of voltage of its capacitor measured according to potentiometer and the operating condition of internal combustion engine are controlled
Make the 1st switch, the 2nd switch and two-way DC/DC converters.
Thereby, it is possible to provide following regenerative system：Capacitor can be not via two-way DC/DC converters directly from hair
Motor reclaiming energy, specific fuel consumption is improved therefore, it is possible to efficiently reclaiming energy.And, using the teaching of the invention it is possible to provide such as
Under regenerative system：Even in by capacitor to load supplying in drive starter motor, also via two-way DC/DC converters to negative
Power supply is carried, therefore, it is possible to prevent from the voltage of load supply being reduced when restarting internal combustion engine.
Moreover, the regenerative system be characterised by or, the regenerative system also have the 2nd load, the 2nd
Load is connected with two-way DC/DC converters, and internally side is branched off into two circuits and had two-way DC/DC converters at one end：
Transforming circuit, there is two-way DC/DC transformers and transforming circuit to switch in series for it, and be connected with the other end；And bypass electricity
Road, it is bypassed to two-way DC/DC transformers, and is connected via bypass cock with the 2nd load, also, two-way DC/DC turns
Parallel operation internally has connection circuit, and the connection circuit connects two-way DC/DC transformers via connecting valve and opened with transforming circuit
The tie point and bypass cock of pass and the tie point of the 2nd load.
Thus, in regenerative system, by being loaded by battery and capacitor via two-way DC/DC converters connection the 2nd, energy
Enough prevent from reducing the voltage of the 2nd load supply when restarting internal combustion engine from idle stop state.
In order to solve above-mentioned problem there is provided a kind of regenerative system, regenerative system has two-way DC/DC converters and control
Portion, wherein, one end of two-way DC/DC converters is connected with battery and the 1st tie point switched, the other end and capacitor and the 2nd
The tie point connection of switch, also, side is connected with the 1st load at one end, and battery is started by being equipped on to have using starter motor
Internal combustion engine vehicle in generator powered, and the 1st load is powered, the 1st switch be arranged at generator and battery it
Between, capacitor is powered by generator powered and to the 1st load, is measured by potentiometer, the 2nd switch is arranged at generator
Between capacitor, the magnitude of voltage for the capacitor that control unit is measured according to potentiometer and the operating condition of internal combustion engine control
1 switch, the 2nd switch and two-way DC/DC converters, it is characterised in that starter motor is connected to generator and the 1st switch and the 2nd
Between switch.
Thereby, it is possible to provide following regenerative system：Capacitor can be not via two-way DC/DC converters directly from hair
Motor reclaiming energy, specific fuel consumption is improved therefore, it is possible to efficiently reclaiming energy.And, using the teaching of the invention it is possible to provide such as
Under regenerative system：Even in by capacitor to load supplying in drive starter motor, also via two-way DC/DC converters to negative
Power supply is carried, therefore, it is possible to prevent from the voltage of load supply being reduced when restarting internal combustion engine.
Moreover, it is described state regenerative system be characterised by or, two-way DC/DC converters internally side at one end
It is branched off into two circuits and has：Transforming circuit, there is two-way DC/DC transformers and transforming circuit to switch in series for it, and with
The other end is connected；And bypass resistance, it is bypassed to two-way DC/DC transformers, and with different from the 2nd negative of the 1st load
Carry connection, also, two-way DC/DC converters internally have a connection circuit, the connection circuit connect two-way DC/DC transformers with
The tie point and bypass cock of transforming circuit switch and the tie point of the 2nd load, and with connecting valve.
Thus, in regenerative system, by being loaded by battery and capacitor via two-way DC/DC converters connection the 2nd, energy
Enough prevent from reducing the voltage of the 2nd load supply when restarting internal combustion engine from idle stop state.
Moreover, it is described state regenerative system be characterised by or, when using starter motor from idle stop state
When restarting internal combustion engine, in the case that magnitude of voltage is more than the defined magnitude of voltage, control unit disconnects the 1st and switched, and connects the 2nd and opens
Close, starter motor is powered from capacitor, also, disconnect switch, from capacitor via two-way DC/DC transformers to the 1st
Load supplying.
Thus, in the case where the voltage of capacitor is higher, by mitigating battery by capacitor drive starter motor
Aging, is powered by capacitor via two-way DC/DC converters, so as to prevent from driving starter motor from idle stop
State rises and the voltage of the 1st load and the 2nd load supply is reduced when restarting internal combustion engine.
Moreover, it is described state regenerative system be characterised by or, when using starter motor from idle stop state
When restarting the internal combustion engine, in the case that magnitude of voltage is less than defined magnitude of voltage, control unit disconnects the 2nd and switched, and connects the 1st and opens
Close, starter motor is powered from battery, from battery to the 1st load supplying, also, disconnect bypass cock, disconnect transforming circuit and open
Close, connecting valve is connected, from battery via two-way DC/DC transformers to the 2nd load supplying.
Thus, in the case where the voltage of capacitor is relatively low, by being loaded by battery to starter motor, the 1st load and the 2nd
Power supply, internal combustion engine can be just restarted without using the electric power of capacitor from idle stop state, by turning via two-way DC/DC
Parallel operation is powered, and the voltage of the 2nd load supply is reduced when can prevent from restarting.
Moreover, it is described state regenerative system be characterised by or, when vehicle slows down under steam, magnitude of voltage exists
In the case of more than defined magnitude of voltage, control unit disconnects the 1st and switched, and connects the 2nd and switchs, generator is regenerated to the electric power sent
Capacitor is supplied to be charged to capacitor, from battery to the 1st load supplying.
Thus, in the case where the voltage of capacitor is higher, in deceleration, capacitor is not via two-way DC/DC converters
And be directly electrically charged by generator with larger current, efficiently reclaiming energy it can improve specific fuel consumption.
Moreover, it is described state regenerative system be characterised by or, when vehicle slows down under steam, magnitude of voltage is small
In the case of defined magnitude of voltage, control unit disconnects the 2nd and switched, and connects the 1st and switchs, and generator is regenerated to the electric power sent and supplied
Battery is given to be charged to battery, and to the 1st load supplying.
Thus, in the case where the voltage of capacitor is relatively low, by being changed in deceleration by generator via two-way DC/DC
Device charges to capacitor, thus, even if the voltage of capacitor is the relatively low voltage that directly can not be charged by generator, leads to
Cross using two-way DC/DC converters to come self generator voltage carry out transformation, also can future self generator power recovery
Into capacitor.
In order to solve above-mentioned problem there is provided a kind of control method of regenerative system, the regenerative system has：Generator,
It is equipped in the vehicle with internal combustion engine；Battery, is powered by the generator to the battery；Capacitor, by generator to the electricity
Container is powered；Potentiometer, it measures the voltage of the capacitor；1st switch, it is arranged between generator and battery；2nd opens
Close, it is arranged between generator and capacitor；Two-way DC/DC converters, its one end is connected between battery and the 1st switch,
The other end is connected between capacitor and the 2nd switch；1st load, its one end for being connected to two-way DC/DC converters is opened with the 1st
Between pass；And starter motor, it is used to start internal combustion engine, is connected between generator and the 1st switch and the 2nd switch, again
In the control method of raw system, the magnitude of voltage of the capacitor measured according to potentiometer and the operating condition of internal combustion engine control the
1 switch, the 2nd switch and two-way DC/DC converters, thus, by generator to battery, capacitor, the 1st load supplying, by battery
Or capacitor is powered to the 1st load, starter motor.
Thereby, it is possible to provide the control method of following regenerative system：Capacitor can be not via two-way DC/DC converters
And directly from generator reclaiming energy, specific fuel consumption is improved therefore, it is possible to efficiently reclaiming energy.Moreover,
The control method of following regenerative system can be provided：Even in by capacitor to load supplying in drive starter motor, also pass through
By two-way DC/DC converters to load supplying, therefore, it is possible to prevent the voltage drop when restarting internal combustion engine to load supply
It is low.
As described above, in accordance with the invention it is possible to provide a kind of regenerative system and its control method, it can pass through
Regeneration energy when efficiently reclaiming vehicle deceleration improves specific fuel consumption, furthermore it is possible to prevent from idle stop state
The voltage of load supply is reduced when restarting internal combustion engine.
Brief description of the drawings
Fig. 1 is the block diagram for the regenerative system for showing the first embodiment of the present invention.
Fig. 2 is the block diagram for the regenerative system for showing the second embodiment of the present invention.
Fig. 3 is the state transition diagram for the regenerative system for showing the second embodiment of the present invention.
Fig. 4 is the explanation block diagram for the action for showing the standby mode in the regenerative system of the second embodiment of the present invention.
Fig. 5 is the explanation block diagram for the action for showing the bypass mode in the regenerative system of the second embodiment of the present invention.
Fig. 6 is the explanation block diagram for the action for showing the discharge mode in the regenerative system of the second embodiment of the present invention.
Fig. 7 is the explanation block diagram for the action for showing the generation mode in the regenerative system of the second embodiment of the present invention.
Fig. 8 is the explanation frame for the action for showing the fast charge mode in the regenerative system of the second embodiment of the present invention
Figure.
Fig. 9 is the explanation block diagram for the action for showing the charge mode in the regenerative system of the second embodiment of the present invention.
Figure 10 is the explanation block diagram for the action for showing the restarting mode in the regenerative system of the second embodiment of the present invention.
Figure 11 is the explanation block diagram for the action for showing the propulsion pattern in the regenerative system of the second embodiment of the present invention.
Figure 12 is the state description figure of the regenerative system of the second embodiment of the present invention.
Label declaration
1：Vehicle；
2：Internal combustion engine；
100：Regenerative system；
10：Control unit；
20：Battery；
30：Capacitor；
31：Potentiometer；
40：1st switch；
50：2nd switch；
60：Two-way DC/DC converters；
61：Transforming circuit；
62：Two-way DC/DC transformers；
63：Transforming circuit is switched；
64：Bypass resistance；
65：Bypass cock；
66：Connect circuit；
67：Connecting valve；
60E1：One end；
60E2：The other end；
70：Generator；
80：Starter motor；
81：Starter motor is switched；
L1：1st load；
L2：2nd load.
Embodiment
Hereinafter, embodiments of the invention are illustrated referring to the drawings.
＜ first embodiments ＞
Reference picture 1, is illustrated to the regenerative system 100A of the present embodiment.From the viewpoint of energy-conservation, by internal combustion
The driving of machine 2 and in the vehicle 1A that travels, kinetic energy when regenerative system 100A of the invention slows down vehicle 1A is used as Regenerated energy
Amount, and with the idle stop function of stopping internal combustion engine 2 in parking.In addition, typically, internal combustion engine 2 is including
The fuel of the hydrocarbon such as portion's burns gasoline system exports the engine of the power for promoting vehicle 1.In addition, idle stop
Function refers to following function：Continue to wait in the case of the operation of brake pedal when vehicle 1A stops travelling and stop internal combustion
The operating of machine 2, restarts internal combustion engine 2 in the case where the operation of the brake pedal is released from.
There is regenerative system 100A generator 70, starter motor 80, battery 20, capacitor 30, potentiometer the 31, the 1st to switch
40th, the 2nd switch the 50, the 1st loads L1, two-way DC/DC converters 60A and control unit 10A.Generator 70 is controlled by control unit 10A
System, the power (kinetic energy) exported using internal combustion engine 2 is generated electricity, or uses axletree from vehicle 1A etc. when vehicle 1A slows down
The power (kinetic energy) of input is generated electricity (regeneration).That is, generator 70 is subtracted with the internal combustion engine 2 and vehicle 1A for being equipped on vehicle 1A
Kinetic energy when fast is generated electricity for motive power.The electric power that generator 70 is sent charges to battery 20 or capacitor 30, or
The power supplies such as the 1st load L1 to being equipped on vehicle 1A.The generating electricity of generator 70 can be changed by control unit 10A control
Pressure.
Starter motor 80 is powered by battery 20 or capacitor 30, and in the state of the stopping of internal combustion engine 2, horse is started by connecting
Action is driven to rotate up to switch 81, internal combustion engine 2 is started.For example by being supplied immediately by battery 20 after igniting is opened
Electric power carries out the driving of starter motor 80, then, when restarting from idle stop state in principle by by capacitor
30 supply electric powers carry out the driving of starter motor 80.
In the case that when restarting internal combustion engine 2 from idle stop state, the residue of capacitor 30 has enough voltage, by
Capacitor 30 is powered, therefore, and battery 20 needs not to be the battery of expensive idle stop, can be output assigned voltage
General lead battery.Charged and in the case that capacitor 30 does not have enough voltage by generator 70,20 pairs of battery rises
The dynamic load of motor 80 and the 1st L1 supply electric powers.
Capacitor 30 is electrolytic capacitor etc..When restarting internal combustion engine 2 from idle stop state, capacitor 30 is remaining
In the case of having enough voltage, starter motor 80 is driven using the electric power of capacitor 30.In the case of voltage step-down, by
Generator 70 charges to capacitor 30.Potentiometer 31 is used to measure the current potential between the ground side and side of the positive electrode of capacitor 30
Difference, measures and shows the magnitude of voltage of capacitor 30.
As long as the switch 50 of the 1st switch the 40 and the 2nd can make the switch of the direct current of opening/closing high current, without spy
Do not limit, the semiconductor switch such as e.g. FET, contactor/relay etc., carry out connecing on/off by control unit 10A control
Open.1st load L1 is mounted in vehicle 1A electric loading, is lamp ＆ lantern, stereo set, navigation system, wiper, air-conditioning device
Deng.1st load L1 is electric loadings of the 2nd load L2 like that not via two-way DC/DC converters 60A as be described hereinafter, sometimes to the 1st
The voltage of load L1 supplies can be reduced.Therefore, as the 1st load L1 purposes, even if preferably occurring voltage reduction and the 1st load
L1 be failure to actuate also seldom go wrong such as indoor lamp ＆ lantern, air-conditioning device.
Two-way DC/DC converters 60A can be insulated type or nonisulated type, and being being capable of 60E1 at one end
The transforming circuit of the voltage conversion of two-way upper boosting or the decompression for carrying out direct current between other end 60E2.One end 60E1 and another
One end 60E2 can be input terminal or lead-out terminal.Two-way DC/DC converters 60A internally has by control
Portion 10A control and the switch turned on/off, are exported according to control unit 10A control on defined input/output direction
Defined voltage.Turned on/off in addition, two-way DC/DC converters 60A internally has by control unit 10A control
Switch, stops transformation according to control unit 10A control and acts and stop voltage output.
Control unit 10A is, for example, by CPU (Central Processing Unit：Central processing unit), the electronics such as memory
ECU (the Electronic Control Unit that circuit is constituted：Electronic control unit), information of vehicles is obtained, and according to the vehicle
Information is controlled to the switch 50 of the 1st switch the 40, the 2nd and the two-way sending control signal of DC/DC converters 60.Information of vehicles is electricity
Pressure counts magnitude of voltage, the state of generator 70, the state of internal combustion engine 2 and the vehicle 1A of 31 capacitors 30 measured transport condition
Deng.The state of generator 70 refers to that generator 70 is in operating condition or non-operating state, is in the case of operating condition
By internal combustion engine 2 power running state still by the power running of vehicle 1A axletree etc. when slowing down and the shape regenerated
State.The state of internal combustion engine 2 refers to that internal combustion engine 2 is in operating condition or non-operating state.Vehicle 1A transport condition refers to car
1A accelerates, still slowing down, still at the uniform velocity travelling or stopping idling or parking idle stop, still
Initial start-up or the state of internal combustion engine 2 or igniting close/open etc. will be restarted.
1st switch 40 is arranged between generator 70 and battery 20, and the 2nd switch 50 is arranged at generator 70 and capacitor 30
Between.Opened in addition, starter motor 80 is electrically connected between the switch of generator 70 and the 1st 40 and is electrically connected to generator 70 with the 2nd
Close between 50.Therefore, the 1st switch 40 is arranged between starter motor 80 and battery 20, and the 2nd switch 50 is arranged at starter motor 80
Between capacitor 30.
In the case where connecting the 1st switch 40 by control unit 10A control, battery 20 is supplied and sent out by generator 70
The electric power that goes out and battery 20 is charged, or the electric power of battery 20 be charged to the supply of starter motor 80 start horse to drive
Up to 80.Certainly, can also be to the 1st load L1 supplies in the case where the 1st switch 40 is connected in the control according to control unit 10A
The electric power that is sent by generator 70 and also being powered to capacitor 30 charges to it.In addition, in the control according to control unit 10A
And in the case of connecting the 2nd switch 50, supply the electric power sent by generator 70 to capacitor 30 charges to it, or right
The supply of starter motor 80 is charged to the electric power of capacitor 30 to drive starter motor 80.
Two-way DC/DC converters 60A one end 60E1 is electrically connected between the switch of battery 20 and the 1st 40, other end 60E2
It is electrically connected between the switch of capacitor 30 and the 2nd 50.Two-way DC/DC converters 60A connected by control unit 10A control/
The switch that breaking inner has, thus, using one end 60E1 as input terminal, using other end 60E2 as lead-out terminal, or with one
End 60E1 be lead-out terminal, using other end 60E2 as input terminal, DC voltage is changed and exported or do not change and
Output.
There is the 1st tunnel via the 1st 40 and two-way DC/DC converters 60A of switch between capacitor 30 and generator 70
Footpath and the 2nd path via the 2nd switch 50.When being charged on the 1st path to capacitor 30, the electricity of DC/DC converters
Stream is generally up to 50A or so, therefore, and the charging current maximum to capacitor 30 is also 50A or so, and efficiency is less high.It is another
Aspect, when being charged on the 2nd path to capacitor 30, due to not such restriction, the self generator therefore, it is possible to since
70 larger current (such as 150A~200A) is charged, and charge efficiency is good.Therefore, capacitor 30 can be not via two-way
DC/DC converters 60A and directly from the reclaiming energy of generator 70, therefore, it is possible to efficiently reclaiming energy, thus carry
High specific fuel consumption.
1st load L1 is electrically connected between the switches of two-way DC/DC converters 60A one end 60E1 and the 1st 40, in other words,
It is electrically connected between the switch of battery 20 and the 1st 40.In the case where voltage reduction occurs for battery 20 during being powered by battery 20
(for example, in the case of being powered at the same time by battery 20 to starter motor 80 to drive starter motor 80), the 1st load L1 is sometimes
It is affected by and stopping action.On the other hand, voltage reduction occurs for capacitor 30 during being powered by capacitor 30
In the case of, also powered via two-way DC/DC converters 60A, therefore, the 1st load L1 will not be affected by.
For example, the phase powered on the 1st path by capacitor 30 via two-way DC/DC converters 60A to the 1st load L1
Between, even if being powered by connecting the 2nd switch 50 by capacitor 30 via the 2nd path to starter motor 80 to drive starter motor
80, also power, therefore, will not be affected by via two-way DC/DC converters 60A.Therefore, because with the 1st path and the 2nd
Path, powers on the 2nd path to starter motor 80, and negative to the 1st via the two-way DC/DC converters 60A on the 1st path
Carry L1 to power, therefore, it is possible to prevent from reducing the voltage of the 1st load L1 supplies when restarting internal combustion engine 2.Thereby, it is possible to carry
For following regenerative system 100A：Starter motor 80 is driven during being powered by 30 couple of the 1st load L1 of capacitor,
The 1st load L1 is powered via two-way DC/DC converters 60A, therefore, it is possible to prevent from loading to the 1st when restarting internal combustion engine 2
The voltage reduction of L1 supplies.
＜ second embodiments ＞
Reference picture 2, is illustrated to the regenerative system 100 in the present embodiment.In addition, for same as the previously described embodiments
Inscape marks identical label, and illustrates to avoid repeating describing centered on the difference with above-described embodiment.
In the vehicle 1 travelled by the driving of internal combustion engine 2, when regenerative system 100 of the invention slows down vehicle 1
Kinetic energy is used as regeneration energy, and with the idle stop function of stopping internal combustion engine 2 in parking.Regenerative system 100 has
Generator 70, starter motor 80, battery 20, capacitor 30, potentiometer 31, the switch the 50, the 1st of the 1st switch the 40, the 2nd load L1, the
2 load L2, two-way DC/DC converters 60 and control unit 10.
Relative to above-described embodiment, regenerative system 100 also has the 2nd load electrically connected with two-way DC/DC converters 60
L2.The 2nd load L2 electric loadings for being mounted in vehicle 1 same with the 1st load L1, still, due to via two-way DC/DC converters
60 influences being powered without being reduced by voltage, as such, it can be that arbitrary electric loading.
Two-way DC/DC converters 60 internally have two-way DC/DC transformers 62 and multiple switch.As long as multiple switch
The switch of the direct current of larger current can be turned on/off, is not particularly limited.In addition, in the present embodiment, multiple switch
The inside of two-way DC/DC converters 60 is arranged at, but it is also possible to be arranged at outside with identical structure.In this case,
Two-way DC/DC converters 60 only have the function of two-way DC/DC transformers 62.Two-way DC/DC transformers 62 are can be at two ends
Between it is two-way it is upper carry out direct current boosting or decompression voltage conversion transforming circuit.Two ends can be input terminal, also may be used
To be lead-out terminal.Two-way DC/DC converters 62 internally have the switch turned on/off by the control of control unit 10,
Voltage as defined in being exported according to the control of control unit 10 on defined input/output direction.In addition, two-way DC/DC transformers
62, which stop transformation according to the control of control unit 10, acts and stops voltage output.
The inside of 60E1 sides has and is branched off into transforming circuit 61 and the side of two circuits two-way DC/DC converters 60 at one end
Circuit passband 64.Transforming circuit 61 is that have two-way DC/DC transformers 62 and transforming circuit switch 63 and and the other end in series
The circuit of 60E2 (capacitor 30) connections.In addition, transforming circuit switch 63 is configured to：2 switches turn into anti-with parasitic diode
To mode be connected in series to cope with two-way electric current.Bypass resistance 64 is that two-way DC/DC transformers 62 are bypassed
And the circuit electrically connected via bypass cock 65 with the 2nd load L2.
Two-way DC/DC converters 60 also have connection circuit 66, and the connection circuit 66 connects two-way via connecting valve 67
DC/DC transformers 62 switch 63 tie point with transforming circuit and bypass cock 65 and the 2nd loads L2 tie point.In addition, even
Switch 67 is connect to be configured to：2 switches are connected in series to cope with two-way electric current with parasitic diode as reverse mode.
So, due to (leading to bypass from transforming circuit 61 by connecting circuit 66 with the circuit via two-way DC/DC transformers 62
The circuit of circuit 64) and the circuit (bypass resistance of 60E1 sides branch at one end that is bypassed to two-way DC/DC transformers 62
64), thus, two-way DC/DC converters 60 can directly power in the case where no voltage is reduced to the 2nd load L2, have
Voltage is powered in the case of reducing via two-way 62 couple of the 2nd load L2 of DC/DC transformers.Therefore, in regenerative system 100, lead to
Cross from battery 20 and capacitor 30 via two-way DC/DC converters 60 connection the 2nd and load L2, thereby, it is possible to prevent from idling
Halted state rises and the voltage of the 2nd load L2 supplies is reduced when restarting internal combustion engine 2.
Reference picture 3, is illustrated to the state transformation in regenerative system 100.The state of coarse level depends on vehicle 1
State, have igniting closed mode, acceleration/at the uniform velocity/idling/idle stop state, deceleration regime, internal combustion engine restart state this four
The state of kind.Igniting closed mode is the state that igniting (IG) is closed.Acceleration/at the uniform velocity/idling/idle stop state refers to opening point
Fire, vehicle 1 is in acceleration mode, at the uniform velocity transport condition, idling mode and idle stop state as halted state.Slow down
State is the state that vehicle 1 is slowing down.Internal combustion engine is restarted state and referred to using starter motor 80 from idle stop state
Restart the state of internal combustion engine 2.
Make state in igniting closed mode and acceleration/at the uniform velocity/idling/idle stop state by playing opening/closing igniting
Between change.State is made in acceleration/at the uniform velocity/idling/idle stop state and deceleration regime by deceleration/acceleration of vehicle 1
Between change.By using starter motor 80 restart internal combustion engine 2 (ENG) or complete restart and make state accelerate/at the uniform velocity/
Idling/idle stop state and internal combustion engine restart transformation between state.
Igniting closed mode has standby mode (standby mode) such a pattern.Its excess-three kind state has
Main multiple patterns corresponding with the charged state of capacitor 30.Acceleration/at the uniform velocity/idling/idle stop state has following three
The pattern of kind：Bypass mode (bypass mode) during initial start-up internal combustion engine 2, putting of being discharged is loaded by 30 pairs of capacitor
Power mode (dis-charge) and by 70 pairs of generator load what is be powered when the charging voltage of capacitor 30 is inadequate
Generation mode (generate mode).
Under bypass mode, standby mode is transformed into when closing igniting.On the contrary, in stand-by mode, working as opening point
It is transformed into bypass mode when fiery.Under bypass mode, when initial start-up internal combustion engine 2 turns into operating condition (ENG Run), transfer
To discharge mode.On the contrary, under discharge mode, idle stop state (in I/S) and capacitor are in when internal combustion engine 2 stops
When 30 charging voltage is less than defined magnitude of voltage (such as 8V), bypass mode is transferred to.Under discharge mode, when internal combustion engine 2
Charging voltage in operating condition and capacitor 30 is inadequate and during magnitude of voltage (such as 8V), is transferred to generation less than as defined in
Pattern.On the contrary, under generation mode, when the charging voltage of capacitor 30 turns into more than defined magnitude of voltage (such as 10V),
It is transferred to discharge mode.
Deceleration regime has following both of which：Via two-way DC/DC converters 60 to filling that capacitor 30 is charged
Power mode (charge mode) and the fast charge mode (fast directly charged by generator 70 to capacitor 30
charge mode).Internal combustion engine 2 operate and vehicle 1 travel in (at the uniform velocity or acceleration mode), by brake service etc. come
Slowed down and during the charging voltage of capacitor 30 inadequate (being, for example, less than 10V), charge mode is transferred to, in capacitor 30
When charging voltage is more than defined magnitude of voltage (such as 10V), fast charge mode is transferred to.On the contrary, in charge mode or
When being accelerated under fast charge mode by throttle operation, discharge mode is transferred to.In addition, the 8V of the defined voltage or
10V is illustrates, it is possible to use the characteristic of capacitor and the design of regenerative system suitably determine to distinguish generation mode and electric discharge
The defined magnitude of voltage of pattern.
Internal combustion engine, which restarts state, has following two patterns：Restarting from idle stop state (Auto Start)
By battery 20 to starter motor 80 and the propulsion pattern (boost mode) that is powered of load and by capacitor during internal combustion engine 2
The restarting mode (restart mode) that 30 pairs of starter motors 80 and load are powered.Under discharge mode, stop from idling
The charging voltage of capacitor 30 is inadequate when only state restarts internal combustion engine 2 and turns into idle stop state (is, for example, less than
When 12V), propulsion pattern is transferred to.Then, in the success of restarting of internal combustion engine 2, internal combustion engine 2 turns into operating condition (ENG RUN)
When, it is transferred to discharge mode.In addition, under discharge mode, restarting internal combustion engine 2 from idle stop state and turning into idling
When the charging voltage of capacitor 30 is sufficient during halted state (being, for example, more than 12V), restarting mode is transferred to.Then, in internal combustion
Machine 2 restarts success, when internal combustion engine 2 turns into operating condition (ENG RUN), is transferred to discharge mode.
4~Figure 11 of reference picture, the action to each above-mentioned pattern in the present embodiment is illustrated.Fig. 4 shows standby mould
The action of formula.Standby mode is the state for closing igniting, is the state all switched off.1st load L1 is in can be by battery
The state of 20 power supplies, the 2nd load L2 only can be powered by connecting the bypass cock 65 of two-way DC/DC converters 60, therefore,
In stand-by mode, consumption electric power can be suppressed by the action of two-way DC/DC converters 60.
Fig. 5 shows the action of bypass mode.Bypass mode be open igniting and during initial start-up internal combustion engine 2 or capacitor
Pattern when 30 charging voltage turns into idle stop state below assigned voltage and restarted.Control unit 10 is according to internal combustion engine
Each switch of the information of vehicles such as 2 state, the switch 50 of the switch of control the 1st the 40, the 2nd and two-way DC/DC converters 60, starting horse
Up to switch 81.
Specifically, in the case of from standby mode transfer and initial start-up internal combustion engine 2, control unit 10 is connected the 1st and opened
40 are closed, the 2nd switch 50 is disconnected, transforming circuit switch 63 is disconnected, connects bypass cock 65, disconnect switch 67, and connect
Starter motor switch 81, thus makes battery 20 load L1, the 2nd load L2 to starter motor the 80, the 1st and powers.In addition, now,
Stop by control unit 10 action of two-way DC/DC transformers 62.In this case, due to by the 20 pairs of startings of identical battery
Motor 80 is powered, and is caused not via the 1st load L1 being directly connected to battery 20 and two-way DC/DC transformers 62 via bypass
Voltage reduction occurs for the 2nd load L2 that circuit 64 is powered.But, due to being in initial start-up internal combustion engine 2 therefore only one
It is secondary, also do not operated originally in addition, loading itself, therefore do not have a great impact.
Fig. 6 shows the action of discharge mode.Discharge mode be such as from bypass mode shift and internal combustion engine 2 operate after that
Sample, in the state of idling mode etc. is in addition in deceleration, during charging voltage sufficient (such as more than the 8V) of capacitor 30
Pattern.If vehicle 1 is in acceleration/at the uniform velocity/idling/idle stop state, and the capacitor 30 that measures of potentiometer 31
Magnitude of voltage is more than assigned voltage (such as 8V), then control unit 10 maintains the discharge mode.
In this mode, control unit 10 disconnects the 1st switch 40, disconnects the 2nd switch 50, connects transforming circuit switch 63, connects
Logical bypass cock 65, disconnects switch 67, capacitor 30 is discharged, via 62 pair the 1st of two-way DC/DC transformers
Load L1, the 2nd load L2 power.Control unit 10 monitors the charge discharge electric current to battery 20, controls two-way DC/DC transformers 62
Output voltage.In addition, in this mode, generator 70 stops.
Fig. 7 shows the action of generation mode.Generation mode be the capacitor 30 under discharge mode charging voltage fully but
Discharged and the pattern less than as defined in during voltage.If vehicle 1 is in acceleration/at the uniform velocity/idling/idle stop state, and
And the magnitude of voltage of capacitor 30 that potentiometer 31 is measured is less than defined magnitude of voltage (such as 8V), then control unit 10 turns into the mould
Formula.In addition, the 8V of the defined voltage is illustrates, it is possible to use the characteristic of capacitor and the design of regenerative system are suitably determined
Surely the defined magnitude of voltage of generation mode and discharge mode is distinguished.
Control unit 10 connects the 1st switch 40, disconnects the 2nd switch 50, connects transforming circuit switch 63, connects bypass cock
65, disconnect switch 67.Thus, the electric power sent by the power of internal combustion engine 2 by generator 70 is directly supplied into the 1st
L1 is loaded, and two-way DC/DC transformers 62 are bypassed and the 2nd load L2 is fed into, also, is directly supplied into battery
20 are charged, and are fed into capacitor 30 via two-way DC/DC transformers 62 and are charged.Using come self generator 70
Charging and in the case of eliminating the undercharge of capacitor 30, be converted to discharge mode from generation mode state.
Fig. 8 shows the action of fast charge mode.Fast charge mode is slowed down and capacitor 30 under discharge mode
Magnitude of voltage more than defined magnitude of voltage (for example, more than 10V) when pattern.Vehicle 1 is made by brake service etc.
Transport condition turns into deceleration regime, in the case that the magnitude of voltage of capacitor 30 is, for example, more than 10V, and control unit 10 turns into the mould
Formula.Control unit 10 disconnects the 1st switch 40, connects the 2nd switch 50, disconnects transforming circuit switch 63, connects bypass cock 65, disconnects
Connecting valve 67.In addition, at this time it is also possible to the action for making two-way DC/DC transformers 62 by control unit 10 stops.Thus, pass through
The electric power sent by the kinetic energy of vehicle 1 when slowing down by generator 70 is supplied directly to by the voltage variable control of generator 70
Capacitor 30, is charged with larger current (for example, 150A~200A or so) to capacitor 30.In addition, battery 20 is directly right
1st load L1 supply electric powers, and two-way DC/DC transformers 62 are bypassed and L2 supply electric powers are loaded to the 2nd.In addition, hair
The voltage variable control of motor 70 can within the specific limits (being usually 10V~16V or so), and therefore, the pattern is only limitted to electricity
The magnitude of voltage of container 30 is in more than defined magnitude of voltage to shrink situation within the range.
Therefore, under fast charge mode, the electricity of the capacitor 30 when vehicle 1 slows down under steam shown in potentiometer 31
In the case that pressure value is more than the defined magnitude of voltage, control unit 10 disconnects the 1st switch 40, the 2nd switch 50 is connected, by generator 70
The power supply sent is regenerated to capacitor 30 to be charged to capacitor 30, and directly the 1st load L1 is supplied by battery 20
Electricity.In addition, control unit 10 disconnects transforming circuit switch 63, switch 67 is disconnected, connect bypass cock 65, by battery 20 pair the
2 load L2 power.Thus, in the case where the voltage of capacitor 30 is higher than assigned voltage, in deceleration, not via two-way DC/
DC converters 60 and directly capacitor 30 is charged with larger current by generator 70, efficiently reclaiming can be passed through
Energy, improves specific fuel consumption.
Fig. 9 shows the action of charge mode.Charge mode is that the magnitude of voltage of deceleration and capacitor 30 under discharge mode is small
Pattern when defined magnitude of voltage (for example, less than 10V).In addition, the 10V of the defined voltage is illustration, it is possible to use electricity
The design of the characteristic of container and regenerative system suitably determines to distinguish the defined voltage of charge mode and fast charge mode
Value.
The transport condition of vehicle 1 is set to turn into deceleration regime, the magnitude of voltage example of capacitor 30 by brake service etc.
In the case of such as less than 10V, control unit 10 turns into the pattern.Control unit 10 connects the 1st switch 40, disconnects the 2nd switch 50, connects
Transforming circuit switch 63, connects bypass cock 65, disconnects switch 67.Thus, by the kinetic energy of vehicle 1 when slowing down by sending out
The electric power that motor 70 is sent is fed into capacitor 30 via two-way DC/DC transformers 62, and with by two-way DC/DC transformers
The maximum output current (for example, 50A or so) of 62 controls charges to capacitor 30.
In addition, the electric power sent by generator 70 is fed into the load L1 of battery the 20, the 1st, and to two-way DC/DC transformers
62 are bypassed and are fed into the 2nd load L2.In addition, as described above, the charging based on larger current to capacitor 30 is needed
The charging voltage value of capacitor 30 is wanted more than defined magnitude of voltage.Because, when will be by the voltage variable of generator 70
When control is directly charged with larger current to the capacitor 30 less than defined magnitude of voltage, it is possible to cause overcurrent to flow through circuit
Or the voltage occurred drastically is reduced, therefore, the pattern is only limitted to situation of the magnitude of voltage less than defined magnitude of voltage of capacitor 30.
Therefore, the magnitude of voltage of the capacitor 30 when vehicle 1 slows down under steam shown in potentiometer 31 is less than defined electricity
In the case of pressure value, control unit 10 disconnects the 2nd switch 50, connects the 1st switch 40, generator 70 is regenerated to the power supply sent
To battery 20 to be charged to battery 20, and the 1st load L1 is powered.In addition, control unit 10 disconnects switch 67, connect
Logical transforming circuit switch 63, connects bypass cock 65, and generator 70 is regenerated into the power supply sent to capacitor 30 with to electricity
Container 30 is charged, and the 2nd load L2 is powered.Thus, in the case where the voltage of capacitor 30 is less than assigned voltage,
By being charged in deceleration by generator 70 via two-way DC/DC converters 60 to capacitor 30, thus, even if the electricity of capacitor
Press as can not be directly by the low voltage of generator charging, by using two-way DC/DC converters to carrying out the voltage of self generator
Carry out transformation, also can future self generator power recovery into capacitor.So, when vehicle 1 slows down, by with electric capacity
The charging voltage of device 30 is cut into fast charge mode and charge mode is acted, when can efficiently reclaim vehicle deceleration
Regenerate energy, it is possible to increase specific fuel consumption.
Figure 10 shows the action of restarting mode.Restarting mode is in restarting under discharge mode from idle stop state
Combustion engine 2 and pattern during as idle stop state during charging voltage sufficient (for example, more than 12V) of capacitor 30.In vehicle 1
Transport condition be idle stop state, in the case that the magnitude of voltage of capacitor 30 is, for example, more than 12V, control unit 10 turn into should
Pattern.Control unit 10 disconnects the 1st switch 40, connects the 2nd switch 50, connects transforming circuit switch 63, connects bypass cock 65, breaks
Connecting valve 67 is opened, starter motor switch 81 is connected.Thus, by capacitor 30 via two-way 62 pair of the 1st load of DC/DC transformers
The loads of L1 and the 2nd L2 is powered, and starter motor 80 is powered by capacitor 30, restarts internal combustion engine 2.Due to via two-way
62 couple of the 1st load L1 of DC/DC transformers and the 2nd load L2 power, and therefore, will not occur voltage reduction.
Therefore, the electricity when restarting internal combustion engine 2 from idle stop state using starter motor 80 shown in potentiometer 31
In the case that the magnitude of voltage of container 30 is more than the defined magnitude of voltage, control unit 10 disconnects the 1st switch 40, connects the 2nd switch 50,
Starter motor 80 is powered by capacitor 30.In addition, control unit 10 disconnects switch 67, transforming circuit switch 63 is connected, is connect
Logical bypass cock 65, is powered by capacitor 30 via two-way 62 couple of the 1st load L1 of DC/DC transformers and the 2nd load L2.Thus,
, can be by driving starter motor 80 to mitigate by capacitor 30 in the case where the voltage of capacitor 30 is higher than defined voltage
The aging of battery 20.Moreover, by being powered via two-way DC/DC converters 60 by capacitor 30, can prevent from starting in driving
The 1st load L1 and the 2nd load L2 supplies voltage are reduced when motor 80 restarts internal combustion engine 2.
Figure 11 shows the action of propulsion pattern.Propulsion pattern is to restart under discharge mode from idle stop state
Internal combustion engine 2 and as idle stop state when capacitor 30 charging voltage inadequate (being, for example, less than 12V) when pattern.This
Outside, pattern when propulsion pattern still restarts internal combustion engine 2 under bypass mode from idle stop state.In addition, the regulation
Voltage 12V to illustrate, it is possible to use the characteristic of capacitor and the design of regenerative system suitably determine to distinguish propulsion module
The defined magnitude of voltage of formula and restarting mode.
It is idle stop state in the transport condition of vehicle 1, the magnitude of voltage of capacitor 30 is for instance between 8V~12V
In the case of, control unit 10 turns into the pattern.Control unit 10 connects the 1st switch 40, disconnects the 2nd switch 50, disconnects transforming circuit and opens
63 are closed, bypass cock 65 is disconnected, connecting valve 67 is connected, starter motor switch 81 is connected.Thus, by battery 20 directly to the 1st
Load L1 powers, and is powered via two-way 62 couple of the 2nd load L2 of DC/DC transformers, also, starter motor 80 is supplied by battery 20
Electricity, restarts internal combustion engine 2.Due to being powered via two-way 62 couple of the 2nd load L2 of DC/DC transformers, therefore, will not occur voltage drop
It is low.
Therefore, the electricity when restarting internal combustion engine 2 from idle stop state using starter motor 80 shown in potentiometer 31
In the case that the magnitude of voltage of container 30 is less than defined magnitude of voltage, control unit 10 disconnects the 2nd switch 50, connects the 1st switch 40, by
Battery 20 is powered to starter motor 80, is powered by 20 couple of the 1st load L1 of battery, also, disconnects bypass cock 65, is disconnected and is become piezoelectricity
Way switch 63, connects connecting valve 67, by battery 20 via two-way 62 pairs of DC/DC transformers the 2nd load supplying.Thus,
In the case where the voltage of capacitor 30 is relatively low, supplied by loading the loads of L1 and the 2nd L2 to starter motor the 80, the 1st by battery 20
Electricity, internal combustion engine 2 can be just restarted without using the electric power of capacitor 30 from idle stop state, when can prevent from restarting pair
The voltage reduction of 2nd load L2 supplies.So, in the case where restarting internal combustion engine 2 from idle stop state, by with electricity
The charging voltage of container 30 is cut into restarting mode and propulsion pattern is acted, and can prevent from restarting internal combustion engine as much as possible
When to load supply voltage reduce.
Furthermore it is possible to which the above to be denoted as to the control method of following regenerative systems：With identical inscape
In regenerative system, the 1st switch the 40, the 2nd is controlled to open by the operating condition of the magnitude of voltage according to capacitor 30 and internal combustion engine 2
50, two-way DC/DC converters 60 are closed, L1, the 2nd load L2 can be loaded to battery 20, capacitor the 30, the 1st by generator 70 and supplied
Electricity, is powered by 30 couple of the 1st load L1 of battery 20 or capacitor, the 2nd load L2, starter motor 80.
Reference picture 12, the state to vehicle 1 and inscape is illustrated in the lump.In the way of the time passes through from left to right
It is most left that original state is shown to describe this figure.In an initial condition, internal combustion engine 2, starter motor 80, generator 70, two-way DC/
DC converters 60 are wholly off, in addition, all switch is off, the speed of vehicle 1 is zero Km (Km/h) per hour.This
Outside, it is assumed that the voltage of capacitor 30 is less than 8V.In the initial condition, regenerative system 100 is standby mode.
When the user of vehicle 1 opens igniting, control unit 10 connects the 1st switch 40, powered by battery 20 driving
The preparation of dynamic starter motor 80.User enters to exercise the operation of the operating of internal combustion engine 2, makes the initial start-up of internal combustion engine 2 (manual starting).
Now, regenerative system 100 is in bypass mode.Internal combustion engine 2 is in idling mode in initial start-up, and regenerative system 100 is in
Discharge mode.In the idling state, control unit 10 obtains the magnitude of voltage of capacitor 30, and generation is arranged to when detecting and being less than 8V
Pattern.Then, generator 70 proceeds by generating (fuel power generation function) by the power of internal combustion engine 2.
When user carries out the rotating speed of throttle operation increasing combustion engine 2 and accelerated, the speed of vehicle 1 starts increase, car
1 transport condition turns into acceleration mode.Then, when user carries out brake service and turns into deceleration regime, control unit
10 are arranged to charge mode, and generator 70 switches to regenerative electric power from fuel power generation function and generated electricity.In addition, generator 70 is via double
To DC/DC converters 60, by the power supply sent by regenerative electric power to capacitor 30, to be charged.Thus, capacitor
30 charging voltage increase.
In addition, when user carries out throttle operation and turns into acceleration mode, control unit 10 is arranged to discharge mode, generates electricity
Machine 70 stops generating electricity, and capacitor 30 discharges, to supply electric powers such as loads.Then, when as deceleration regime, control unit 10 is set
Into charge mode, generator 70 carries out regenerative electric power, and generator 70 is via two-way DC/DC converters 60 by the power supply to electric
Container 30, to be charged.Thus, the charging voltage increase of capacitor 30, more than 10V, and then even more than 12V.
Then, when vehicle 1 is at the uniform velocity travelled, capacitor 30 has been sufficiently charged, therefore, and control unit 10 disconnects the 1st and opened
Close, connect the 2nd and switch, to prepare by capacitor 30 to starter motor 80 and load supplying.Capacitor 30 is during at the uniform velocity travelling
Discharged also for load, still, in the case where being in deceleration regime before charging voltage is less than 10V, control unit 10 is set
Fast charge mode is set to, the power supply for the regeneration of generator 70 being sent not via two-way DC/DC converters 60 to electric capacity
Device 30 is charged (quick charge).It follows that capacitor 30 is substantially filled with electricity.
Vehicle 1 stops after slowing down, as idling mode, still, temporarily in idle stop state.During this period, then
Raw system 100 is discharge mode, by capacitor 30 to load supplying.Then, when carrying out the solution division operation of idle stop, control
Portion 10 is arranged to restarting mode, and starter motor 80 is powered by capacitor 30 and restarted, and vehicle 1 turns into idling mode.This
When, capacitor 30 discharges and the charging voltage as below 10V, therefore, and control unit 10 is connected the 1st and switched, and disconnects the 2nd and switchs,
With will not be by capacitor 30 to starter motor 80 and load supplying.Afterwards, turn into acceleration mode etc. again and carry out identical action.
As described above, in accordance with the invention it is possible to provide regenerative system and its control method, by efficiently returning
Regeneration energy when receiving vehicle deceleration improves specific fuel consumption, in addition, prevent from restarting internal combustion engine from idle stop state
When to load supply voltage reduce.
In addition, the present invention is not limited to embodiment illustrated, the content not departed from described in every claim can be utilized
Structure implement.I.e., although the main diagram special to particular implementation of the present invention is illustrated, and still, is not departing from this
In the case of the technological thought of invention and the scope of purpose, those skilled in the art can to embodiment described above,
Apply various modifications in quantity and other detailed constructions.
Claims (9)
1. a kind of regenerative system, it is characterised in that the regenerative system has：
Generator, kinetic energy during its internal combustion engine and vehicle deceleration to be equipped on vehicle is generated electricity as motive power；
Battery, is powered by the generator to the battery；
Capacitor, is powered by the generator to the capacitor；
Potentiometer, it measures the voltage of the capacitor；
1st switch, it is arranged between the generator and the battery；
2nd switch, it is arranged between the generator and the capacitor；
Two-way DC/DC converters, its one end is connected between the battery and the 1st switch, and the other end is connected to the electricity
Between container and the 2nd switch；
1st load, it is connected between described one end of the two-way DC/DC converters and the 1st switch；
Starter motor, it is used to start the internal combustion engine, is connected to the generator and the described 1st switch and the 2nd switch
Between；And
Control unit, the magnitude of voltage of its capacitor measured according to the potentiometer and the operating condition of the internal combustion engine come
Control the 1st switch, the 2nd switch and the two-way DC/DC converters.
2. regenerative system according to claim 1, it is characterised in that
The regenerative system also has the 2nd load, and the 2nd load is connected with the two-way DC/DC converters,
The two-way DC/DC converters are internally branched off into two circuits in a side and had：
Transforming circuit, there is two-way DC/DC transformers and transforming circuit to switch in series for it, and be connected with the other end；With
And
Bypass resistance, it is bypassed to the two-way DC/DC transformers, and is connected via bypass cock with the described 2nd load
Connect, also,
The two-way DC/DC converters internally have connection circuit, and the connection circuit connects described two-way via connecting valve
The tie point and the bypass cock that DC/DC transformers are switched with the transforming circuit and the tie point of the described 2nd load.
3. a kind of regenerative system, the regenerative system has two-way DC/DC converters and control unit, wherein, the two-way DC/DC
One end of converter is connected with battery and the 1st tie point switched, and the other end is connected with capacitor and the 2nd tie point switched,
Also, the 1st load is connected with a side, the battery has the internal combustion engine started using starter motor by being equipped on
Generator powered in vehicle, and to the described 1st load be powered, it is described 1st switch be arranged at the generator with it is described
Between battery, the capacitor is powered by the generator powered and to the described 1st load, is measured by potentiometer,
2nd switch is arranged between the generator and the capacitor, and the control unit is measured according to the potentiometer
The operating condition of the magnitude of voltage of the capacitor and the internal combustion engine is to control the described 1st to switch, the described 2nd switchs and described double
To DC/DC converters, it is characterised in that
The starter motor is connected between the generator and the 1st switch and the 2nd switch.
4. regenerative system according to claim 3, it is characterised in that
The two-way DC/DC converters are internally branched off into two circuits in a side and had：
Transforming circuit, there is two-way DC/DC transformers and transforming circuit to switch in series for it, and be connected with the other end；With
And
Bypass resistance, it is bypassed to the two-way DC/DC transformers, and is connected with the 2nd load different from the described 1st load
Connect, also,
The two-way DC/DC converters internally have a connection circuit, the connection circuit connect the two-way DC/DC transformers with
The tie point and bypass cock and the tie point of the described 2nd load of the transforming circuit switch, and with connecting valve.
5. the regenerative system according to claim 2 or 4, it is characterised in that
When restarting the internal combustion engine from idle stop state using the starter motor, the magnitude of voltage is in defined electricity
In the case of more than pressure value, the control unit disconnects the 1st switch, the 2nd switch is connected, from the capacitor to described
Starter motor is powered, also, disconnects the connecting valve, from the capacitor via the two-way DC/DC transformers to described
1st load supplying.
6. the regenerative system according to claim 2 or 4, it is characterised in that
When restarting the internal combustion engine from idle stop state using the starter motor, the magnitude of voltage is less than defined
In the case of magnitude of voltage, the control unit disconnects the 2nd switch, connects the 1st switch, is started from the battery to described
Motor is powered, from the battery to the 1st load supplying, also, disconnects the bypass cock, is disconnected the transforming circuit and is opened
Close, the connecting valve is connected, from the battery via the two-way DC/DC transformers to the 2nd load supplying.
7. regenerative system according to claim 3, it is characterised in that
When the vehicle slows down under steam, in the case that the magnitude of voltage is more than the defined magnitude of voltage, the control unit
Disconnect the 1st switch, connect the 2nd switch, by the generator regenerate the power supply that sends to the capacitor with
The capacitor is charged, from the battery to the 1st load supplying.
8. regenerative system according to claim 3, it is characterised in that
When the vehicle slows down under steam, in the case that the magnitude of voltage is less than defined magnitude of voltage, the control unit breaks
The 2nd switch is driven, the 1st switch is connected, the generator is regenerated into the power supply sent to the battery with to institute
Battery is stated to be charged, and to the 1st load supplying.
9. a kind of control method of regenerative system, the regenerative system has：
Generator, it is equipped in the vehicle with internal combustion engine；
Battery, is powered by the generator to the battery；
Capacitor, is powered by the generator to the capacitor；
Potentiometer, it measures the voltage of the capacitor；
1st switch, it is arranged between the generator and the battery；
2nd switch, it is arranged between the generator and the capacitor；
Two-way DC/DC converters, its one end is connected between the battery and the 1st switch, and the other end is connected to the electricity
Between container and the 2nd switch；
1st load, it is connected between described one end of the two-way DC/DC converters and the 1st switch；And
Starter motor, it is used to start the internal combustion engine, is connected to the generator and the described 1st switch and the 2nd switch
Between,
The control method of the regenerative system is characterised by, the magnitude of voltage of the capacitor measured according to the potentiometer
The 1st switch, the 2nd switch and the two-way DC/DC converters are controlled with the operating condition of the internal combustion engine, by
This, by the generator to the battery, the capacitor, the 1st load supplying, by the battery or the capacitor pair
1st load, the starter motor are powered.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015223802A JP6268145B2 (en) | 2015-11-16 | 2015-11-16 | Regenerative system and regenerative system control method |
| JP2015-223802 | 2015-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106972609A true CN106972609A (en) | 2017-07-21 |
Family
ID=58767481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611033647.XA Withdrawn CN106972609A (en) | 2015-11-16 | 2016-11-16 | The control method of regenerative system and regenerative system |
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| Country | Link |
|---|---|
| JP (1) | JP6268145B2 (en) |
| CN (1) | CN106972609A (en) |
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| CN110182021A (en) * | 2019-05-31 | 2019-08-30 | 中国第一汽车股份有限公司 | A kind of distributed super-capacitor device power-supply system for vehicle air purification |
| CN110417075A (en) * | 2018-04-27 | 2019-11-05 | 矢崎总业株式会社 | Power supply redundancy system |
| CN110481468A (en) * | 2019-08-16 | 2019-11-22 | 重庆长安汽车股份有限公司 | Automobile double power-supply system and vehicle for L3 grades of automatic Pilots |
| CN111478385A (en) * | 2020-03-23 | 2020-07-31 | 义乌吉利动力总成有限公司 | A vehicle low-voltage protection control method, device, system and computer storage medium |
| CN112187056A (en) * | 2019-07-04 | 2021-01-05 | 胜美达集团株式会社 | Power supply systems and DC-DC converters |
| CN116348341A (en) * | 2020-10-22 | 2023-06-27 | 株式会社今仙电机制作所 | Vehicle power supply system |
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| JP6608405B2 (en) | 2017-07-19 | 2019-11-20 | 矢崎総業株式会社 | Voltage conversion unit |
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Also Published As
| Publication number | Publication date |
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| JP6268145B2 (en) | 2018-01-24 |
| JP2017088086A (en) | 2017-05-25 |
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