CN106740155A - Distance increasing unit, EMS and energy management method - Google Patents

Distance increasing unit, EMS and energy management method Download PDF

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Publication number
CN106740155A
CN106740155A CN201510809124.9A CN201510809124A CN106740155A CN 106740155 A CN106740155 A CN 106740155A CN 201510809124 A CN201510809124 A CN 201510809124A CN 106740155 A CN106740155 A CN 106740155A
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CN
China
Prior art keywords
storing device
energy storing
electrical load
converter
electric capacity
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CN201510809124.9A
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Chinese (zh)
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CN106740155B (en
Inventor
李飞
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General Electric Co
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General Electric Co
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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
    • 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

Abstract

A kind of EMS includes：First energy storing device；It is coupled in the first DC-DC converter of first energy storing device；Second energy storing device；It is coupled in the second DC-DC converter of second energy storing device；It is connected across the first electric capacity of the output end of first, second DC-DC converter；It is coupling in the charging assembly between first energy storing device and first electric capacity；It is coupled in first, second DC-DC converter and the electrical load driver element including the second electric capacity；And increase range controller, it is configured to reach preset value when the voltage at the first, second electric capacity two ends, and when first, second energy storing device is coupled to the electrical load driver element, sent to the electrical load driver element and enable signal, so that the electrical load driver element works.Specific embodiment of the invention is further to distance increasing unit and energy management method.

Description

Distance increasing unit, EMS and energy management method
Technical field
Distance increasing unit, EMS and energy the present invention relates to be mainly used in the power systems such as vehicle traction Quantity management method.
Background technology
Distance increasing unit (Range-Extender) is to be installed at electric motor car to increase electric motor car distance travelled On an additional energy storage component.In the prior art, typically controlled respectively by two independent switches Distance increasing unit and the precharge of electric-motor drive unit, first charge to the electric capacity of voltage regulation in distance increasing unit, then right Electric capacity of voltage regulation in electric-motor drive unit is charged, thus, can typically be driven in distance increasing unit and motor single Contactor is set between unit.When the electric capacity of voltage regulation of electric-motor drive unit charges, the contactor is in and disconnects State, to ensure that electric-motor drive unit does not receive from distance increasing unit before the electric capacity of voltage regulation charging complete Energy input.Until after the electric capacity of voltage regulation charging complete of electric-motor drive unit, the contactor is just closed, and is made Motor works.However, such circuit structure is complex, and the contactor price of this function can be realized Costliness, weight, volume are all larger, so, not only increase complete vehicle weight, also increase manufacturing cost. In addition, driver must respectively control distance increasing unit and electric-motor drive unit by two independent switches, also increase Add the operation difficulty of user, be unfavorable for traffic safety.
Therefore, it is necessary to provide a kind of new distance increasing unit and the EMS using the distance increasing unit And energy management method, to solve at least one problem as described above.
The content of the invention
One aspect of the present invention is to provide a kind of negative with electric for being coupling in the first energy storing device EMS between load.The EMS includes distance increasing unit and electrical load driver element. The distance increasing unit includes the first DC-DC converter, the second energy storing device, the second DC-to-dc Converter and the first electric capacity.First DC-DC converter has for selectively with described first The input of energy storing device coupling, and output end.Second DC-DC converter is selectively It is coupling between the output end of second energy storing device and first DC-DC converter.Institute The first electric capacity is stated, its output end for being connected across first DC-DC converter.The electrical load drives Moving cell have the input that is coupled with the output end of first DC-DC converter and with the electricity The output end of gas load coupling, the electrical load driver element is connected across its input including the second electric capacity. The distance increasing unit further includes charging assembly and increases range controller.The charging assembly is selectively coupled Between first energy storing device and first electric capacity, first energy storing device can be through Charged to first electric capacity and second electric capacity by the charging assembly.The increasing range controller is set It is set to when the voltage at the first, second electric capacity two ends reaches preset value, and in first, second energy Amount storage device is driven single by first, second DC converter coupled to the electrical load respectively When first, sent to the electrical load driver element and enable signal, so that the electrical load driver element Work.
Another aspect of the present invention is to provide a kind of distance increasing unit.The distance increasing unit include the first direct current- DC converter, the second energy storing device, the second DC-DC converter, the first electric capacity, charging group Part and increasing range controller.First DC-DC converter has for selectively being deposited with the first energy The input of storage device coupling, and the output end for being coupled with electrical load driver element.Described second DC-DC converter is selectively coupling in second energy storing device and first direct current-straight Between the output end of current converter.First electric capacity, it is connected across first DC-DC converter Output end.The charging assembly is selectively coupling in first energy storing device and described first Between electric capacity, first energy storing device can charge via the charging assembly to first electric capacity. The range controller that increases is configured to reach preset value when the voltage at the first electric capacity two ends, and described First, second energy storing device is coupled to the electricity by first, second DC converter respectively During gas load drive unit, sent to the electrical load driver element and enable signal, so that described electric Load drive unit works.
Another aspect of the present invention is to provide a kind of energy management method.The energy management method bag Include operating energy management system.The EMS includes the first energy storing device；First direct current- DC converter, it has the input for being optionally coupled to first energy storing device；Second Energy storing device；Second DC-DC converter, it has and is optionally coupled to second energy The input of storage device；It is connected across the first of the output end of first, second DC-DC converter Electric capacity；Selectively it is coupling in the charging group between first energy storing device and first electric capacity Part；And electrical load driver element, it has the output with first, second DC-DC converter Holding the input of coupling, the electrical load driver element includes being connected across the second electric capacity of its input. The step of operation, includes：Institute is given simultaneously via the charging assembly with first energy storing device State the charging of first, second electric capacity；When the voltage at the first, second electric capacity two ends reaches preset value, First, second energy storing device is passed through into the first, second DC-DC converter coupling respectively It is bonded to the electrical load driver element；And it is coupled to institute in first, second energy storing device State after electrical load driver element, sent to the electrical load driver element and enable signal, so that institute State the work of electrical load driver element.
Brief description of the drawings
When reading described in detail below referring to the drawings, these and other features of the invention, aspect and excellent Point will become better understood, and in the accompanying drawings, identical element numbers are used to represent identical in whole accompanying drawings Part, wherein：
Fig. 1 is the circuit diagram of the EMS of a specific embodiment of the invention；And
Fig. 2 is the flow chart of the energy management method of a specific embodiment of the invention.
Specific embodiment
To help those skilled in the art definitely to understand theme required for protection of the invention, under Face describes specific embodiment of the invention in detail with reference to accompanying drawing.Following to these specific embodiments In detailed description, it is unnecessary to avoid that this specification is not described in detail to some known functions or construction Details and have influence on disclosure of the invention.
Unless otherwise defined, the claims and technical term used in the description or section's science Language should be the ordinary meaning that the personage with general technical ability is understood in the technical field of the invention.This " first ", " second " used in specification and claims and similar word not table Show any order, quantity or importance, and be used only to distinguish different parts." one " or The similar words such as person " " are not offered as quantity limitation, but expression has at least one." including " or The similar word such as person's " having " mean to appear in " including " or " having " before element or Object cover and appear in " including " or " having " presented hereinafter element or object and its equivalent unit Part, it is not excluded that other elements or object.The similar word such as " connection " or " connected " is not limited Due to physics or machinery connection, and can be including electrical connection, either directly still Indirectly.
Embodiments of the invention relate in one aspect to a kind of EMS that can apply to electric vehicle, And the distance increasing unit included by the system, the system can be with existing energy storing device matching on electric vehicle Close, to play a part of optimization circuit structure, simplify operation.
Fig. 1 is the circuit diagram of the EMS 60 according to an embodiment of the invention.Referring to figure 1, the EMS 60 be used for the energy from the first energy storing device 20 is controlled, Change and export to electrical load 40.First energy storing device 20 potentially includes high energy battery (lead-acid battery etc.), super capacitor, generator, fuel cell, Photovoltaic Inverter or combinations thereof Deng.The electrical load 40 may include direct current generator, one-way motors, three phase electric machine or combinations thereof. In certain embodiments, the electrical load 40 includes three phase electric machine.
The EMS 60 includes distance increasing unit 10 and electrical load driver element 30.Distance increasing unit 10 In may include the energy storing device of at least one auxiliary, for being engaged with the first energy storing device 20 For electrical load 40 is powered.Distance increasing unit includes energy input end 101 and energy output end 103.Energy is defeated Enter end 101 to be coupled with the first energy storing device 20, it is defeated from the first energy storing device 20 for receiving The energy for entering.Energy output end 103 is coupled with electrical load driver element 30, for being driven to electrical load Moving cell 30 exports energy.Distance increasing unit is provided in when meeting certain condition to electrical load driver element 30 send enable signal (Enable signal).Electrical load driver element 30 is used for receiving State after enable signal, the energy being input into from distance increasing unit 10 is transferred to electrical load 40, so that electrically Load 40 works.
In the specific embodiment shown in figure, distance increasing unit 10 includes the second energy storing device 12, first DC-DC converter 11, the second DC-DC converter 13, the first electric capacity C1, charging assembly 14 And increase range controller 15.Electrical load driver element 30 includes electrical load controller 31, voltage conversion The electric capacity C of circuit 32 and second2。
First DC-DC converter 11 is selectively coupling in the first energy storing device 20 and electrically bears Carry driver element 30 between, specifically, its input 101 selectively with the first energy storing device 20 couplings, its output end 103 is coupled with the input 301 of electrical load driver element 30.So, First energy storing device 20 can drive single via the first DC-DC converter 11 coupled to electrical load Unit 30, the output end 103 of first DC-DC converter is used as the energy of above-mentioned distance increasing unit 10 Amount output end.
It is straight that second DC-DC converter 13 is selectively coupling in the second energy storing device 12 and first Between the output end 103 of stream-DC converter, the second DC-DC converter 13 is while also selectively It is coupling between the second energy storing device 12 and electrical load driver element 30, so, the second energy Storage system 12 can be coupled to electrical load driver element 30 via the second DC-DC converter 13.
In certain embodiments, EMS 60 further includes second switch device K2And the 3rd Switching device K3.Second switch device K2Positioned at first energy storing device 20 and first direct current Between-DC converter 11.3rd switching device K3Positioned at second energy storing device 12 and described Between second DC-DC converter 13.Can be by closing second switch device K2With the 3rd switching device K3, by first, second energy storing device 20,12 respectively via first, second DC converter 11st, 13 it is coupled to the electrical load driver element 30.
First electric capacity C1The output end 103 of the first DC-DC converter is connected across, while being also connected across The output end of two DC-DC converters 13, for stablizing the first DC-DC converter 11 and second The output voltage of DC-DC converter 13.The first DC-DC converter 11 and the second direct current- Before the output end of DC converter 13 has voltage output, the first electric capacity C1It is middle to need certain electricity that is stored with Can, i.e.,：First electric capacity C1The voltage at two ends reaches a preset value.That is, in the first electric capacity C1 The voltage at two ends is reached after the preset value, and first, second energy storing device 20,12 can just be passed through respectively The electrical load driver element 30 is coupled to by first, second DC converter 11,13.
Second electric capacity C2The input 301 of electrical load driver element 30 is connected across, while also electric with first Hold C1Parallel connection, the input voltage for stablizing electrical load driver element 30.In electrical load driver element Before 30 input 301 has control source, the second electric capacity C2It is middle to need certain electric energy that is stored with, i.e.,： Second electric capacity C2The voltage at two ends reaches a preset value.
Charging assembly 14 is selectively coupling in the first energy storing device 20 and the first electric capacity C1Between, Also selectively it is coupling in the first energy storing device 20 and the second electric capacity C simultaneously2Between.First energy Amount storage device 20 can simultaneously give the first electric capacity C via charging assembly 141With the second electric capacity C2Charge.This In technical scheme, the second electric capacity C2With the first electric capacity C before output end 103 has voltage output1Together by Charge, treat after the second electric capacity charging complete, the input 301 of electrical load driver element 30 just has Control source, this ensures that thering the second electric capacity can normally realize the function of voltage stabilizing, not result in safety Problem.Therefore, it is possible to not need contactor, and directly electrical load driver element is coupled with distance increasing unit, So, can not only save space, reduce complete vehicle weight, and also reduce cost.
In certain embodiments, charging assembly 14 includes diode D and current-limiting resistance R.Diode D's Positive pole is selectively coupled with the first energy storing device 20, the negative pole of diode D and the first electric capacity C1 Coupling and the second electric capacity C2Coupling, its direction for being used to limit charging current makes the charging current can only be by the One energy storing device 20 flows to first, second electric capacity C1、C2.Current-limiting resistance R connects with diode D, Size for limiting charging current, prevents first, second electric capacity C1、C2Damage.
In certain embodiments, EMS 60 further includes first switch device K1, its position Between the first energy storing device 20 and charging assembly 14, can be by closing first switch device K1, Make the first energy storing device 20 via charging assembly 14 to first, second electric capacity C1、C2Charge.
Increase range controller 15 and be provided in first, second electric capacity C1、C2The voltage at two ends reaches preset value, And pass through first, second DC converting respectively in first, second energy storing device 20,12 Device 11,13 is coupled to after the electrical load driver element 30, to the electrical load driver element 30 send enable signal, so that the electrical load driver element 30 works.
In certain embodiments, the EMS 60 further includes measurement apparatus, for measuring The first, second electric capacity C1、C2The voltage at two ends.The preset value is deposited more than 0 and less than the first energy The output voltage of storage device 20, for example, the preset value can be configured to about described first energy storing device The 95% of output voltage.
Electrical load controller 31 in electrical load driver element 30 is used for reception increasing range controller 15 and sends out The enable signal for going out, increasing can be by wired side between range controller 15 and electrical load controller 31 Formula communicates, it is also possible to wirelessly communicate.In certain embodiments, electrical load controller 31 Coupled with range controller 15 is increased.The input of voltage conversion circuit 32 and first, second DC-to-dc become The output end 103 of parallel operation is coupled, and its output end is coupled with electrical load 40, and voltage conversion circuit 32 is used The energy from distance increasing unit 10 in further conversion and transmission, so that electrical load 40 is used.At some In embodiment, the electrical load 40 includes three phase electric machine, and the voltage conversion circuit 32 includes three-phase Inverter circuit, the three-phase inverting circuit includes six active switch, for example：FET etc..When electric Load controller 31 is received after enable signal, and it sends switch control letter to voltage conversion circuit 32 Number, the function of voltage conversion is achieved, so as to drive electrical load 40 to work.
In certain embodiments, electrical load controller 31 is also coupled in described by current-limiting resistance R One energy storage system 20, so, the first energy storage system 20 can be given via the current-limiting resistance R Electrical load controller 31 is powered.
Embodiments of the invention further relate to the energy pipe by operating above-mentioned EMS 60 to realize Reason method 80.In a specific embodiment, as shown in Fig. 2 the method comprises the following steps：
In step sl, first, second electric capacity is given simultaneously via charging assembly with the first energy storing device Charge.In certain embodiments, to the charging the step of, includes that closure is located at first energy stores First switch device between device and the charging assembly.
In step s 2, the voltage at the first, second electric capacity two ends is measured.
In step s3, judge whether the voltage at the first, second electric capacity two ends reaches preset value.When When the voltage at the first, second electric capacity two ends is less than the preset value, return to step S2.When described First, when the voltage at the second electric capacity two ends is more than or equal to the preset value, the operation of step S4 is carried out.
In step s 4, by first, second energy storing device respectively by first, second direct current-straight Current converter is coupled to electrical load driver element.In certain embodiments, the step of coupling includes Closure is opened positioned at second between first energy storing device and first DC-DC converter Close device and between second energy storing device and second DC-DC converter the Three switching devices.
In step s 5, driven coupled to the electrical load in first, second energy storing device After unit, sent to electrical load driver element and enable signal, the electrical load driver element is subsequent Electrical load 40 is driven to work.
In the embodiment shown in fig. 1, first switch device K1It is closed first, makes first, second electricity Hold and be electrically charged simultaneously.Secondly, the voltage at the first, second electric capacity two ends is measured, and judges whether to reach To preset value.After the voltage at first, second electric capacity two ends reaches the preset value, second switch device K2 And the 3rd switching device K3It is closed, makes first, second energy storing device 20,12 coupled to the electricity Gas load drive unit 30.Hereafter, sent to electrical load controller 31 and enable signal, it is described electric Load controller 32 switchs control in rear the transmission to voltage conversion circuit 32 for receiving the enable signal Signal, to drive electrical load 40 to work.
The invention discloses technical scheme can be in first, second electric capacity C1、C2Precharge is completed and increases journey After device 10 is unlocked, electrical load driver element 30 is automatically turned on, electrical load driver element 30 is then Electrical load 40 is driven to work.In the prior art, above-mentioned these steps are needed by operating multiple switch To realize, operating process is relatively complicated, and the multiple switch needs operator to come in a certain order Operation, once error may cause damage to electrical load or distance increasing unit, further increases operation difficult Degree.The invention discloses technical scheme in, operator only need to be to first switch device K1Once grasped Make, you can realize the functions such as electric capacity precharge, distance increasing unit are opened, electrical load drives, enormously simplify Operating procedure.In certain embodiments, the first switch device K1It is the key switch of electric motor car, it is right For electric motor car, the technical program can reduce the misuse rate of driver, and then lift electric motor car Security.
Although being described in detail to the present invention with reference to specific specific embodiment, the skill of this area Art personnel are appreciated that can be so that many modifications may be made and modification to the present invention.It is therefore contemplated that, power All such modifications for being intended to be covered in true spirit of the present invention and scope of sharp claim and modification.

Claims (10)

1. a kind of EMS, for being coupling between the first energy storing device and electrical load, Including：
Distance increasing unit, it includes：
First DC-DC converter, its have for selectively with first energy stores The input of device coupling, and output end；
Second energy storing device；
Second DC-DC converter, it is selectively coupling in second energy storing device And the output end of first DC-DC converter between；And
First electric capacity, its output end for being connected across first DC-DC converter；And
Electrical load driver element, it has what is coupled with the output end of first DC-DC converter Input and the output end coupled with the electrical load, the electrical load driver element include the second electricity Appearance is connected across its input；
Wherein, the distance increasing unit is further included：
Charging assembly, it is selectively coupling in first energy storing device and first electricity Between appearance, first energy storing device can via the charging assembly to first electric capacity and Second electric capacity charges；And
Increase range controller, be configured to the voltage when the first, second electric capacity two ends reach it is default Value, and become by first, second direct current respectively in first, second energy storing device When parallel operation is coupled to the electrical load driver element, being sent to the electrical load driver element makes Energy signal, so that the electrical load driver element works.
2. EMS according to claim 1, wherein, the preset value is about described The 95% of one energy storing device output voltage.
3. EMS according to claim 1, wherein, the charging assembly includes：
Diode, it has a positive pole for selectively being coupled with first energy storing device, and with institute State the first capacity coupled negative pole；And
Resistance, itself and the Diode series.
4. EMS according to claim 1, further includes first switch device, its Between first energy storing device and the charging assembly.
5. EMS according to claim 1, further includes：
Second switch device, it is located at first energy storing device and first DC-to-dc becomes Between parallel operation；And
3rd switching device, it is located at second energy storing device and second DC-to-dc becomes Between parallel operation.
6. EMS according to claim 1, further includes measurement apparatus for measuring The voltage at the first, second electric capacity two ends.
7. a kind of distance increasing unit includes：
First DC-DC converter, it has for selectively being coupled with the first energy storing device Input, and the output end for being coupled with electrical load driver element；
Second energy storing device；
Second DC-DC converter, it is selectively coupling in second energy storing device and institute State between the output end of the first DC-DC converter；And
First electric capacity, its output end for being connected across first DC-DC converter；And
Charging assembly, its be selectively coupling in first energy storing device and first electric capacity it Between, first energy storing device can charge via the charging assembly to first electric capacity；And
Increase range controller, be configured to reach preset value when the voltage at the first electric capacity two ends, and in institute First, second energy storing device is stated respectively by first, second DC converter coupled to described During electrical load driver element, sent to the electrical load driver element and enable signal, so that the electricity Gas load drive unit works.
8. a kind of energy management method, it includes：
Operating energy management system, wherein, the EMS includes：First energy storing device； First DC-DC converter, it has the input for being optionally coupled to first energy storing device End；Second energy storing device；Second DC-DC converter, its have be optionally coupled to it is described The input of the second energy storing device；It is connected across the output of first, second DC-DC converter First electric capacity at end；Selectively it is coupling between first energy storing device and first electric capacity Charging assembly；And electrical load driver element, it has and first, second DC-dc conversion The input of the output end coupling of device, the electrical load driver element includes being connected across the of its input The step of two electric capacity, operation, includes：
First, second electric capacity is given simultaneously via the charging assembly with first energy storing device Charge；
When the voltage at the first, second electric capacity two ends reaches preset value, by first, second energy Amount storage device is respectively by first, second DC-DC converter coupled to described electric Load drive unit；And
After first, second energy storing device is coupled to the electrical load driver element, Sent to the electrical load driver element and enable signal, so that the electrical load driver element work Make.
9. method according to claim 8, wherein, include that closure is located at institute the step of the charging State first switch device between the first energy storing device and the charging assembly.
10. method according to claim 8, wherein, by first, second energy storing device The step of coupled to the electrical load driver element include closure be located at first energy storing device and Second switch device between first DC-DC converter and positioned at second energy stores dress Put and the 3rd switching device between second DC-DC converter.
CN201510809124.9A 2015-11-20 2015-11-20 Distance increasing unit, Energy Management System and energy management method Active CN106740155B (en)

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Cited By (1)

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CN112910029A (en) * 2021-01-18 2021-06-04 四川腾盾科技有限公司 Unmanned aerial vehicle power quality boost circuit

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