CN106740155B - Distance increasing unit, Energy Management System and energy management method - Google Patents
Distance increasing unit, Energy Management System and energy management method Download PDFInfo
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- CN106740155B CN106740155B CN201510809124.9A CN201510809124A CN106740155B CN 106740155 B CN106740155 B CN 106740155B CN 201510809124 A CN201510809124 A CN 201510809124A CN 106740155 B CN106740155 B CN 106740155B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
-
- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A kind of Energy Management System includes: the first energy storage device；It is coupled in the first DC-DC converter of first energy storage device；Second energy storage device；It is coupled in the second DC-DC converter of second energy storage device；It is connected across the first capacitor of the output end of first, second DC-DC converter；The charging assembly being coupled between first energy storage device and the first capacitor；It is coupled in first, second DC-DC converter and the electrical load driving unit including the second capacitor；And increase range controller, it is configured to reach preset value when the voltage at first, second capacitor both ends, and when first, second energy storage device is coupled to the electrical load driving unit, enable signal is sent to the electrical load driving unit, so that the electrical load driving unit works.Specific embodiments of the present invention are further to distance increasing unit and energy management method.
Description
Technical field
The present invention relates to the distance increasing unit, Energy Management System and the energy management sides that are mainly used for the electric system such as vehicle traction
Method.
Background technique
Distance increasing unit (Range-Extender) is to be installed at one on electric vehicle to increase electric vehicle mileage travelled
Additional energy storage component.In the prior art, distance increasing unit and electric-motor drive unit are generally controlled respectively by two independent switches
Precharge, first charge to the electric capacity of voltage regulation in distance increasing unit, then charge to the electric capacity of voltage regulation in electric-motor drive unit,
Thus, contactor can be generally set between distance increasing unit and electric-motor drive unit.When the electric capacity of voltage regulation of electric-motor drive unit charges
When, which is in an off state, to guarantee that electric-motor drive unit does not receive to come from before the electric capacity of voltage regulation charging complete
The energy input of distance increasing unit.After the electric capacity of voltage regulation charging complete of electric-motor drive unit, which is just closed, and makes motor work
Make.However, such circuit structure is complex, and the contactor for being able to achieve this function is expensive, weight, volume all compared with
Greatly, in this way, not only increasing complete vehicle weight, manufacturing cost is also increased.In addition, driver must pass through two independent switches point
Not Kong Zhi distance increasing unit and electric-motor drive unit, also increase the operation difficulty of user, be unfavorable for traffic safety.
Therefore, it is necessary to provide a kind of new distance increasing unit and Energy Management System and energy pipe using the distance increasing unit
Reason method, with solve the problems, such as it is as described above at least one.
Summary of the invention
One aspect of the present invention is to provide a kind of for being coupled between the first energy storage device and electrical load
Energy Management System.The Energy Management System includes distance increasing unit and electrical load driving unit.The distance increasing unit includes the
One DC-DC converter, the second energy storage device, the second DC-DC converter and first capacitor.Described first is straight
Stream-DC converter has the input terminal and output end for selectively coupling with first energy storage device.It is described
Second DC-DC converter is selectively coupled in second energy storage device and first DC-dc conversion
Between the output end of device.The first capacitor is connected across the output end of first DC-DC converter.It is described electrical
Load drive unit have the input terminal that is coupled with the output end of first DC-DC converter and with the electrical load
The output end of coupling, the electrical load driving unit include that the second capacitor is connected across its input terminal.The distance increasing unit is further
Including charging assembly and increase range controller.The charging assembly is selectively coupled in first energy storage device and described
Between first capacitor, first energy storage device can be via the charging assembly to the first capacitor and second electricity
Capacity charge.The range controller that increases is configured to reach preset value when the voltage at first, second capacitor both ends, and described
First, second energy storage device passes through first, second DC converter respectively and is coupled to the electrical load driving list
When first, Xiang Suoshu electrical load driving unit sends enable signal, so that the electrical load driving unit works.
Another aspect of the present invention is to provide a kind of distance increasing unit.The distance increasing unit includes the first DC-dc conversion
Device, the second energy storage device, the second DC-DC converter, first capacitor, charging assembly and increasing range controller.Described
One DC-DC converter has for the input terminal that selectively couple with the first energy storage device, and be used for it is electrical
The output end of load drive unit coupling.Second DC-DC converter is selectively coupled in second energy and deposits
Between storage device and the output end of first DC-DC converter.It is straight to be connected across described first for the first capacitor
Stream-DC converter output end.The charging assembly is selectively coupled in first energy storage device and described
Between one capacitor, first energy storage device can charge via the charging assembly to the first capacitor.The increasing journey
Controller is configured to reach preset value when the voltage at the first capacitor both ends, and fills in first, second energy stores
It sets when being coupled to the electrical load driving unit by first, second DC converter respectively, Xiang Suoshu electrical load
Driving unit sends enable signal, so that the electrical load driving unit works.
Another aspect of the present invention is to provide a kind of energy management method.The energy management method includes operation energy
Measure management system.The Energy Management System includes the first energy storage device；First DC-DC converter, having can
Selectively it is coupled in the input terminal of first energy storage device；Second energy storage device；Second DC-dc conversion
Device has the input terminal for being optionally coupled to second energy storage device；It is connected across first, second direct current-
The first capacitor of the output end of DC converter；Selectively it is coupled in first energy storage device and the first capacitor
Between charging assembly；And electrical load driving unit, there is the output with first, second DC-DC converter
The input terminal of coupling is held, the electrical load driving unit includes the second capacitor for being connected across its input terminal.The step of the operation
It suddenly include: with first energy storage device via the charging assembly while to first, second capacitor charging；Work as institute
When stating the voltage at the first, second capacitor both ends and reaching preset value, first, second energy storage device is passed through respectively described
First, second DC-DC converter is coupled to the electrical load driving unit；And in first, second energy stores
Device is coupled to after the electrical load driving unit, and Xiang Suoshu electrical load driving unit sends enable signal, so that
The electrical load driving unit work.
Detailed description of the invention
When reading described in detail below referring to attached drawing, these and other features of the invention, aspect and advantage will become
It is best understood from, in the accompanying drawings, identical element numbers are used to indicate identical component in all the attached drawings, in which:
Fig. 1 is the circuit diagram of the Energy Management System of a specific embodiment according to the present invention；And
Fig. 2 is the flow chart of the energy management method of a specific embodiment according to the present invention.
Specific embodiment
To help those skilled in the art that can definitely understand present invention theme claimed, below with reference to attached
Figure describes the specific embodiments of the present invention in detail.In the detailed description below to these specific embodiments, this specification
Some well known functions or construction are not described in detail to avoid unnecessary details and influence disclosure of the invention.
Unless otherwise defined, the claims and technical term used in the description or scientific term are should be
The ordinary meaning that personage in the technical field of the invention with general technical ability is understood.This specification and claims
Used in " first ", " second " and similar word be not offered as any sequence, quantity or importance, and only use
To distinguish different component parts.The similar word such as "one" or " one " is not offered as quantity limitation, but indicates exist extremely
It is one few.The similar word such as " comprising " or " having " means to appear in the element or object before " comprising " or " having "
Part covers the element for appearing in " comprising " or " having " presented hereinafter or object and its equivalent element, it is not excluded that other yuan
Part or object." connection " either the similar word such as " connected " is not limited to physics or mechanical connection, but can
It is either direct or indirect to include electrical connection.
The embodiment of the present invention relates in one aspect to a kind of Energy Management System that can be applied to electric vehicle and the system
Included distance increasing unit, the system can be matched with energy storage device existing on electric vehicle, to play optimization circuit knot
Structure, the effect for simplifying operation.
Fig. 1 is the circuit diagram according to the Energy Management System 60 of an embodiment of the invention.Referring to Fig. 1, the energy
Amount management system 60 is for being controlled, being converted and being exported to electrical load to the energy from the first energy storage device 20
40.First energy storage device 20 may include high energy battery (lead-acid battery etc.), super capacitor, generator, fuel
Battery, Photovoltaic Inverter or their combination etc..The electrical load 40 may include direct current generator, one-way motors, three-phase electricity
Machine or their combination.In some embodiments, the electrical load 40 includes three-phase motor.
The Energy Management System 60 includes distance increasing unit 10 and electrical load driving unit 30.May include in distance increasing unit 10 to
The energy storage device of a few auxiliary, powers for being combined into electrical load 40 with the matching of the first energy storage device 20.Increase journey
Device includes energy input end 101 and energy output end 103.Energy input end 101 is coupled with the first energy storage device 20, is used for
Receive the energy inputted from the first energy storage device 20.Energy output end 103 is coupled with electrical load driving unit 30, is used for
Energy is exported to electrical load driving unit 30.Distance increasing unit is provided in when meeting certain condition to electrical load driving unit
30 send enable signal (Enable signal).Electrical load driving unit 30 is used for after receiving the enable signal,
By the energy transmission inputted from distance increasing unit 10 to electrical load 40, so that electrical load 40 works.
In the specific embodiment shown in figure, distance increasing unit 10 includes the second energy storage device 12, the change of the first DC-DC
Parallel operation 11, the second DC-DC converter 13, first capacitor C1, charging assembly 14 and increase range controller 15.Electrical load driving
Unit 30 includes electrical load controller 31, voltage conversion circuit 32 and the second capacitor C2。
First DC-DC converter 11 is selectively coupled in the first energy storage device 20 and electrical load driving is single
Member 30 between, specifically, input terminal 101 selectively couple with the first energy storage device 20, output end 103 with electrically
The input terminal 301 of load drive unit 30 couples.In this way, the first energy storage device 20 can be via the first DC-dc conversion
Device 11 is coupled to electrical load driving unit 30, and the output end 103 of first DC-DC converter is used as above-mentioned increasing
The energy output end of journey device 10.
Second DC-DC converter 13 is selectively coupled in the second energy storage device 12 and the first DC-DC
Between the output end 103 of converter, the second DC-DC converter 13 is also selectively coupled in the second energy stores dress simultaneously
It sets between 12 and electrical load driving unit 30, in this way, the second energy storage system 12 can be via the second DC-DC converter
13 are coupled to electrical load driving unit 30.
In some embodiments, Energy Management System 60 further comprises second switch device K2And third switching device K3。
Second switch device K2Between first energy storage device 20 and first DC-DC converter 11.Third
Switching device K3Between second energy storage device 12 and second DC-DC converter 13.It can be by closing
Close second switch device K2With third switching device K3, by the first, second energy storage device 20,12 respectively via described first,
Second DC converter 11,13 is coupled to the electrical load driving unit 30.
First capacitor C1It is connected across the output end 103 of the first DC-DC converter, while being also connected across the second direct current-
The output end of DC converter 13, for stablizing the defeated of the first DC-DC converter 11 and the second DC-DC converter 13
Voltage out.Before the output end of the first DC-DC converter 11 and the second DC-DC converter 13 has voltage output,
First capacitor C1It is middle to need to be stored with certain electric energy, it may be assumed that first capacitor C1The voltage at both ends reaches a preset value.Namely
It says, in first capacitor C1After the voltage at both ends reaches the preset value, the first, second energy storage device 20,12 can just be distinguished
The electrical load driving unit 30 is coupled to via the first, second DC converter 11,13.
Second capacitor C2Be connected across the input terminal 301 of electrical load driving unit 30, at the same also with first capacitor C1Parallel connection,
For stablizing the input voltage of electrical load driving unit 30.There is voltage defeated in the input terminal 301 of electrical load driving unit 30
Before entering, the second capacitor C2It is middle to need to be stored with certain electric energy, it may be assumed that the second capacitor C2The voltage at both ends reaches a preset value.
Charging assembly 14 is selectively coupled in the first energy storage device 20 and first capacitor C1Between, while it is also optional
It is coupled in the first energy storage device 20 and the second capacitor C with selecting2Between.First energy storage device 20 can be via charging
Component 14 gives first capacitor C simultaneously1With the second capacitor C2Charging.In the technical program, the second capacitor C2There is electricity in output end 103
Pressure output before with first capacitor C1It is electrically charged together, after being completed to the second capacitor charging, electrical load driving unit 30
Input terminal 301 just has voltage input, ensures that the second capacitor can normally realize the function of pressure stabilizing in this way, not will cause peace
Full problem.Therefore, it is possible to not need contactor, and directly electrical load driving unit is coupled with distance increasing unit, in this way, can not only
It enough saves space, reduce complete vehicle weight, and also reduce cost.
In some embodiments, charging assembly 14 includes diode D and current-limiting resistance R.Anode and the first energy of diode D
Amount storage device 20 selectively couples, the cathode and first capacitor C of diode D1Coupling and the second capacitor C2Coupling, is used for
The direction for limiting charging current, makes charging current that can only flow to the first, second capacitor C by the first energy storage device 201、C2.Limit
Leakage resistance R connects with diode D, for limiting the size of charging current, prevents the first, second capacitor C1、C2Damage.
In some embodiments, Energy Management System 60 further comprises first switch device K1, it is located at the first energy
It, can be by being closed first switch device K between storage device 20 and charging assembly 141, make the first energy storage device 20 via
Charging assembly 14 gives the first, second capacitor C1、C2Charging.
Increase range controller 15 and is provided in the first, second capacitor C1、C2The voltage at both ends reaches preset value, and described
First, second energy storage device 20,12 is coupled to by first, second DC converter 11,13 described electrical respectively
After load drive unit 30, Xiang Suoshu electrical load driving unit 30 sends enable signal, so that the electrical load drives
Unit 30 works.
In some embodiments, the Energy Management System 60 further comprises measuring device, for measuring described first,
Second capacitor C1、C2The voltage at both ends.The preset value is greater than 0 and less than 20 output voltage of the first energy storage device, for example, should
Preset value can be configured to the 95% of the about described first energy storage device output voltage.
Electrical load controller 31 in electrical load driving unit 30, which is used to receive, increases the enabled of the sending of range controller 15
Signal, increasing can be communicated between range controller 15 and electrical load controller 31 by wired mode, can also be by wireless
Mode communicate.In some embodiments, electrical load controller 31 is coupled with range controller 15 is increased.Voltage conversion circuit 32
Input terminal is coupled with the output end 103 of the first, second DC-DC converter, and output end is coupled with electrical load 40, voltage
Conversion circuit 32 is for further converting and transmitting the energy from distance increasing unit 10, for the use of electrical load 40.In some realities
It applies in example, the electrical load 40 includes three-phase motor, and the voltage conversion circuit 32 includes three-phase inverting circuit, three contrary
Power transformation road includes six active switch, such as: field-effect tube etc..After electrical load controller 31 receives enable signal,
It sends switch control signal to voltage conversion circuit 32, the function of voltage conversion is achieved, to drive electrical load 40
Work.
In some embodiments, electrical load controller 31 is also coupled in first energy stores by current-limiting resistance R
System 20, in this way, the first energy storage system 20 can power via the current-limiting resistance R to electrical load controller 31.
The embodiment of the present invention further relates to the energy management method 80 realized by operating above-mentioned Energy Management System 60.
In a specific embodiment, as shown in Fig. 2, this method comprises the following steps:
In step sl, the first, second capacitor charging is given simultaneously via charging assembly with the first energy storage device.One
In a little embodiments, the step of giving the charging includes closure between first energy storage device and the charging assembly
First switch device.
In step s 2, the voltage at first, second capacitor both ends is measured.
In step s3, judge whether the voltage at first, second capacitor both ends reaches preset value.When described first,
When the voltage at the second capacitor both ends is less than the preset value, return step S2.When the voltage at first, second capacitor both ends is big
When the preset value, the operation of step S4 is carried out.
In step s 4, the first, second energy storage device is passed through into the first, second DC-DC converter coupling respectively
It is bonded to electrical load driving unit.In some embodiments, the step of coupling includes that closure is deposited positioned at first energy
Second switch device between storage device and first DC-DC converter and be located at second energy storage device and
Third switching device between second DC-DC converter.
In step s 5, after first, second energy storage device is coupled to the electrical load driving unit,
Enable signal is sent to electrical load driving unit, the electrical load driving unit then drives electrical load 40 to work.
In the embodiment shown in fig. 1, first switch device K1It is closed first, fills the first, second capacitor simultaneously
Electricity.Secondly, the voltage at measurement first, second capacitor both ends, and judge whether to reach preset value.When the first, second capacitor
After the voltage at both ends reaches the preset value, second switch device K2And third switching device K3It is closed, makes the first, second energy
Storage device 20,12 is coupled to the electrical load driving unit 30.Hereafter, enabled letter is sent to electrical load controller 31
Number, the electrical load controller 32 is receiving the rear to the transmission switch control letter of voltage conversion circuit 32 of the enable signal
Number, to drive electrical load 40 to work.
The invention discloses technical solution can be in the first, second capacitor C1、C2Precharge is completed and distance increasing unit 10 is turned on
Afterwards, electrical load driving unit 30 is automatically turned on, electrical load driving unit 30 then drives electrical load 40 to work.Existing
In technology, these above-mentioned steps need to realize by operation multiple switch, and operating process is relatively complicated, and the multiple switch
Operator is needed to operate in a certain order, once error may damage electrical load or distance increasing unit, into one
Step improves operation difficulty.The invention discloses technical solution in, operator only need to be to first switch device K1It carries out primary
Operation can be realized the functions such as capacitor precharge, distance increasing unit unlatching, electrical load driving, enormously simplify operating procedure.One
In a little embodiments, the first switch device K1For the key switch of electric vehicle, for electric vehicle, the technical program can be with
The misuse rate of driver is reduced, and then promotes the safety of electric vehicle.
Although describing the invention in detail in conjunction with specific specific embodiment, those skilled in the art can
It, can be with many modifications may be made and modification to the present invention to understand.It is therefore contemplated that claims are intended to cover
All such modifications and modification in true spirit of the present invention and range.
Claims (10)
1. a kind of Energy Management System, for being coupled between the first energy storage device and electrical load, comprising:
Distance increasing unit, comprising:
First DC-DC converter has the input terminal for selectively coupling with first energy storage device,
And output end；
Second energy storage device；
Second DC-DC converter, is selectively coupled in second energy storage device and first direct current-is straight
Between the output end of current converter；And
First capacitor is connected across the output end of first DC-DC converter；And
Electrical load driving unit, have the input terminal that is coupled with the output end of first DC-DC converter and with
The output end of the electrical load coupling, the electrical load driving unit include that the second capacitor is connected across its input terminal；
Wherein, the distance increasing unit further comprises:
Charging assembly is selectively coupled between first energy storage device and the first capacitor, described first
Energy storage device can give the first capacitor and second capacitor charging via the charging assembly；And
Increase range controller, is configured to the voltage when first, second capacitor both ends and reaches preset value, and described first,
When second energy storage device passes through first, second DC converter respectively and is coupled to the electrical load driving unit,
Enable signal is sent to the electrical load driving unit, so that the electrical load driving unit works.
2. Energy Management System according to claim 1, wherein the preset value is that first energy storage device is defeated
The 95% of voltage out.
3. Energy Management System according to claim 1, wherein the charging assembly includes:
Diode, has the anode that selectively couples with first energy storage device, and with the first capacitor coupling
The cathode of conjunction；And
Resistance, with the Diode series.
4. Energy Management System according to claim 1 further comprises first switch device, it is located at first energy
It measures between storage device and the charging assembly.
5. Energy Management System according to claim 1, further comprises:
Second switch device, between first energy storage device and first DC-DC converter；And
Third switching device, between second energy storage device and second DC-DC converter.
6. Energy Management System according to claim 1 further comprises measuring device for measuring described first, second
The voltage at capacitor both ends.
7. a kind of distance increasing unit includes:
First DC-DC converter has the input terminal for selectively coupling with the first energy storage device, and uses
In the output end coupled with electrical load driving unit；
Second energy storage device；
Second DC-DC converter, is selectively coupled in second energy storage device and first direct current-is straight
Between the output end of current converter；And
First capacitor is connected across the output end of first DC-DC converter；And
Charging assembly is selectively coupled between first energy storage device and the first capacitor, described first
Energy storage device can charge via the charging assembly to the first capacitor；And
Increase range controller, is configured to reach preset value when the voltage at the first capacitor both ends, and in first, second energy
When amount storage device passes through first, second DC converter respectively and is coupled to the electrical load driving unit, Xiang Suoshu
Electrical load driving unit sends enable signal, so that the electrical load driving unit works.
8. a kind of energy management method comprising:
Operating energy management system, wherein the Energy Management System includes: the first energy storage device；First DC-DC
Converter has the input terminal for being optionally coupled to first energy storage device；Second energy storage device；Second
DC-DC converter has the input terminal for being optionally coupled to second energy storage device；It is connected across described
One, the first capacitor of the output end of the second DC-DC converter；Selectively be coupled in first energy storage device and
Charging assembly between the first capacitor；And electrical load driving unit, have and first, second DC-DC
The input terminal of the output end coupling of converter, the electrical load driving unit includes the second capacitor for being connected across its input terminal,
The step of operation includes:
First, second capacitor charging is given simultaneously via the charging assembly with first energy storage device；
When the voltage at first, second capacitor both ends reaches preset value, first, second energy storage device is distinguished
The electrical load driving unit is coupled to by first, second DC-DC converter；And
After first, second energy storage device is coupled to the electrical load driving unit, electrically born to described
It carries driving unit and sends enable signal, so that the electrical load driving unit works.
9. according to the method described in claim 8, wherein, the step of charging includes that closure is located at first energy stores
First switch device between device and the charging assembly.
10. according to the method described in claim 8, wherein, coupling first, second energy storage device to described electrical
The step of load drive unit include closure be located at first energy storage device and first DC-DC converter it
Between second switch device and the third between second energy storage device and second DC-DC converter
Switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809124.9A CN106740155B (en) | 2015-11-20 | 2015-11-20 | Distance increasing unit, Energy Management System and energy management method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809124.9A CN106740155B (en) | 2015-11-20 | 2015-11-20 | Distance increasing unit, Energy Management System and energy management method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740155A CN106740155A (en) | 2017-05-31 |
| CN106740155B true CN106740155B (en) | 2019-07-16 |
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| CN201510809124.9A Active CN106740155B (en) | 2015-11-20 | 2015-11-20 | Distance increasing unit, Energy Management System and energy management method |
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| JP2008199786A (en) * | 2007-02-13 | 2008-08-28 | Toyota Motor Corp | Power supply unit for vehicle, control method of power supply unit for vehicle, program for allowing computer to execute control method of power supply unit for vehicle, and computer-readable recording medium recording the program |
| CN101495356A (en) * | 2006-07-31 | 2009-07-29 | 丰田自动车株式会社 | Drive device for vehicle |
| CN103620905A (en) * | 2011-06-17 | 2014-03-05 | 丰田自动车株式会社 | Power supply system and vehicle equipped with same, and power supply system control method |
| CN104786866A (en) * | 2015-04-23 | 2015-07-22 | 深圳电擎科技有限公司 | Electric car and bi-directional inversion type motor controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101495356A (en) * | 2006-07-31 | 2009-07-29 | 丰田自动车株式会社 | Drive device for vehicle |
| JP2008199786A (en) * | 2007-02-13 | 2008-08-28 | Toyota Motor Corp | Power supply unit for vehicle, control method of power supply unit for vehicle, program for allowing computer to execute control method of power supply unit for vehicle, and computer-readable recording medium recording the program |
| CN103620905A (en) * | 2011-06-17 | 2014-03-05 | 丰田自动车株式会社 | Power supply system and vehicle equipped with same, and power supply system control method |
| CN104786866A (en) * | 2015-04-23 | 2015-07-22 | 深圳电擎科技有限公司 | Electric car and bi-directional inversion type motor controller |
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