CN109484245A - Dual power supply operating mode control method, device, system and electric car - Google Patents
Dual power supply operating mode control method, device, system and electric car Download PDFInfo
- Publication number
- CN109484245A CN109484245A CN201811567283.2A CN201811567283A CN109484245A CN 109484245 A CN109484245 A CN 109484245A CN 201811567283 A CN201811567283 A CN 201811567283A CN 109484245 A CN109484245 A CN 109484245A
- Authority
- CN
- China
- Prior art keywords
- power supply
- power
- dual
- current
- type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Abstract
The present invention provides a kind of dual power supply operating mode control method, device, system and electric cars, are related to electric vehicle engineering field, wherein this method comprises: obtaining the current power demand value of electric car and the current electric quantity of dual power supply；According to the current electric quantity of current power demand value and dual power supply, the target operational mode of dual power supply is determined；It controls dual power supply and enters the target operational mode.The operating mode of dual power supply is controlled based on the current power demand value of electric car and the current electric quantity of dual power supply in this way, realize the beneficial combination of two kinds of power supplys, two kinds of respective advantages of power supply can be played, it can be in the case where meeting various operating conditions, optimize the energy proportioning of two kinds of power supplys, saves power supply cost.
Description
Technical field
The present invention relates to electric vehicle engineering field, more particularly, to a kind of dual power supply operating mode control method, device,
System and electric car.
Background technique
Electric car is received significant attention because of unique advantages such as its energy-saving and environmental protection.The electrical source of power master of electric car at present
It is divided into two kinds: one is more than the high energy storage of energy density but the relatively small energy type power supply of discharge power, such as power battery；Separately
Power-type power supply few one is the low energy storage of energy density but that discharge power is big, such as super capacitor.
Energy type power supply, which is for general in electric car or hybrid vehicle, supplies power to load or motor control
Device simultaneously can capture regeneration energy.However, energy type power supply cannot provide fastly in the drive mode and braking mode of vehicle
The traveling of speed changes power.Therefore, power-type power supply is used as the power supply of supplement.Power-type power supply can provide big in moment
Power and can quickly absorb energy.
In the prior art, energy is distributed therebetween according only to the charged state of energy type power supply and power-type power supply.
The utilization rate of energy type power supply and power-type power supply under this energy distributing method is lower, power supply higher cost.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of dual power supply operating mode control method, device, system and electricity
Electrical automobile, rationally to control the operating mode of dual power supply, so that the energy proportioning of two kinds of power supplys of optimization, saves cost.
In a first aspect, being applied to that there are double electricity the embodiment of the invention provides a kind of dual power supply operating mode control method
The electric car in source, the dual power supply include energy type power supply and power-type power supply；The described method includes:
Obtain the current power demand value of the electric car and the current electric quantity of the dual power supply；
According to the current electric quantity of the current power demand value and the dual power supply, the target operation of the dual power supply is determined
Mode；
The dual power supply is controlled into the target operational mode.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
State the current power demand value for obtaining the electric car, comprising:
Judge whether the electric car is in driving condition or regenerating condition；
If so, obtaining the driving power requirements of the electric car at any driving condition or time under regenerating condition
Present power demand values；
If not, determining that the current power demand value of the electric car is 0.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein described according to the current power demand value and institute when the current power demand value is 0
The current electric quantity for stating dual power supply determines the target operational mode of the dual power supply, comprising:
Judge the current electric quantity of the power-type power supply whether in preset electricity section；
When the current electric quantity of the power-type power supply is less than the lower limit value in the electricity section, the dual power supply is determined
Target operational mode is the energy type power supply to the power-type power source charges；
When the current electric quantity of the power-type power supply is greater than the upper limit value in the electricity section, the dual power supply is determined
Target operational mode is the power-type power supply to the energy type power source charges.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein described to work as according to when the current power demand value is the driving power requirements
The current electric quantity of preceding power demand values and the dual power supply determines the target operational mode of the dual power supply, comprising:
Judge whether the driving power requirements are less than or equal to preset driving power threshold value；
If the driving power requirements are less than or equal to the driving power threshold value, the power-type power supply is judged
Whether current electric quantity is in preset electricity section；
When the current electric quantity of the power-type power supply is in the electricity section, the target operation of the dual power supply is determined
Mode is that the energy type power supply individually discharges；
When the current electric quantity of the power-type power supply is less than the lower limit value in the electricity section, the dual power supply is determined
Target operational mode is the energy type corona discharge and the power-type power source charges；
When the current electric quantity of the power-type power supply is greater than the upper limit value in the electricity section, the dual power supply is determined
Target operational mode is that the power-type power supply individually discharges.
The third possible embodiment with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein the method also includes:
If the driving power requirements are greater than the driving power threshold value, the target operation mould of the dual power supply is determined
Formula is that the energy type power supply and the power-type power supply discharge jointly.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the 5th kind of first aspect
Possible embodiment, wherein described to work as according to when the current power demand value is the feedback power requirements
The current electric quantity of preceding power demand values and the dual power supply determines the target operational mode of the dual power supply, comprising:
Judge whether the feedback power requirements are less than or equal to preset feedback power threshold value；
If the feedback power requirements are less than or equal to the feedback power threshold value, the power-type power supply is judged
Whether current electric quantity is less than or equal to preset power threshold；
When the current electric quantity of the power-type power supply is less than or equal to the power threshold, the mesh of the dual power supply is determined
Mark operating mode is that the power-type power supply individually charges；
When the current electric quantity of the power-type power supply is greater than the power threshold, the target operation of the dual power supply is determined
Mode is that the energy type power supply individually charges.
The 5th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 6th kind of first aspect
Possible embodiment, wherein the method also includes:
If the feedback power requirements are greater than the feedback power threshold value, the target operation mould of the dual power supply is determined
Formula is that the energy type power supply and the power-type power supply charge jointly.
Second aspect, the embodiment of the present invention also provide a kind of dual power supply operating mode control device, are applied to have double electricity
The electric car in source, the dual power supply include energy type power supply and power-type power supply；Described device includes:
Module is obtained, for obtaining the current power demand value of the electric car and the current electric quantity of the dual power supply；
Determining module determines described double for the current electric quantity according to the current power demand value and the dual power supply
The target operational mode of power supply；
Control module, for controlling the dual power supply into the target operational mode.
The third aspect, the embodiment of the present invention also provide a kind of dual power supply operating mode control system, including entire car controller,
Energy type power supply, power-type power supply and bi-directional DC-DC converter；The energy type power supply, the power-type power supply and described pair
It is connect respectively with the entire car controller to DC-DC converter；
The entire car controller includes memory, processor, and be stored in the memory to transport on the processor
Capable computer program, the processor realize first aspect or its any possible implementation when executing the computer program
Method described in mode.
Fourth aspect, the embodiment of the present invention also provide a kind of electric car, including the dual power supply work as described in the third aspect
Operation mode control system.
The embodiment of the present invention bring it is following the utility model has the advantages that
In the embodiment of the present invention, the current power demand value of electric car and the current electric quantity of dual power supply are obtained；According to working as
The current electric quantity of preceding power demand values and dual power supply determines the target operational mode of dual power supply；It controls dual power supply and enters the target
Operating mode.The work of dual power supply is controlled based on the current power demand value of electric car and the current electric quantity of dual power supply in this way
Mode realizes the beneficial combination of two kinds of power supplys, can play two kinds of respective advantages of power supply, can meet various operating conditions
In the case where, optimize the energy proportioning of two kinds of power supplys, saves power supply cost.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification and attached drawing
Specifically noted structure is achieved and obtained.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of dual power supply operating mode control method provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of provided in an embodiment of the present invention ten kinds of dual power supply operating modes；
Fig. 3 is the flow diagram of another dual power supply operating mode control method provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of dual power supply operating mode control device provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of dual power supply operating mode control system provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of entire car controller provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
The electric car of dual power supply at present, it is lower to the utilization rate of energy type power supply and power-type power supply, power supply cost compared with
It is high.Based on this, a kind of dual power supply operating mode control method, device, system and electric car provided in an embodiment of the present invention can
Rationally to control the operating mode of dual power supply, so that the energy proportioning of two kinds of power supplys of optimization, saves cost.
For convenient for understanding the present embodiment, first to a kind of dual power supply operating mode disclosed in the embodiment of the present invention
Control method describes in detail.
Embodiment one:
The embodiment of the invention provides a kind of dual power supply operating mode control methods, to the power supply (energy of two kinds of different characteristics
Amount type power supply and power-type power supply) division that carries out multiple-working mode, the conjunctions of two kinds of power supplys are allowed by judge vehicle's current condition
Science and engineering is made in wherein one mode.This method is applied to the electric car with dual power supply, and dual power supply includes energy type power supply
With power-type power supply.This method can be executed by the entire car controller in electric car, can also be distributed and be set by independent energy
It is standby to execute, it is only specifically described for being executed by entire car controller below.
Fig. 1 is a kind of flow diagram of dual power supply operating mode control method provided in an embodiment of the present invention, such as Fig. 1 institute
Show, method includes the following steps:
Step S102 obtains the current power demand value of electric car and the current electric quantity of dual power supply.
The relevant informations such as real-time detection motor speed, power demand, two kinds of electric quantity of power supply.
In some possible embodiments, the process for obtaining the current power demand value of electric car is as follows: judging electronic
Whether automobile is in driving condition or regenerating condition；If so, obtaining the driving power demand of electric car at any driving condition
Value or the feedback power requirements under regenerating condition；If not, determining that the current power demand value of electric car is 0.
Step S104 determines the target operation mould of dual power supply according to the current electric quantity of current power demand value and dual power supply
Formula.
In some possible embodiments, according to the corresponding vehicle operating status of current power demand value, current power need
Whether the size of evaluation and the current electric quantity of dual power supply are excessive or very few, to determine the target operational mode of dual power supply.
In some possible implementations, following three kinds of situations can be divided into determine the target operation mould of dual power supply
Formula:
(1) current power demand value is 0, and vehicle (electric car) is in without driving and the not no state of feedback: being judged
Whether the current electric quantity of power-type power supply is in preset electricity section；When the current electric quantity of power-type power supply is less than the electricity area
Between lower limit value when, determine dual power supply target operational mode be energy type power supply give power-type power source charges；When power-type electricity
When the current electric quantity in source is greater than the upper limit value in the electricity section, the target operational mode for determining dual power supply is power-type power supply to energy
Amount type power source charges.
(2) current power demand value is driving power requirements, and vehicle is in driving condition: judging driving power requirements
Whether preset driving power threshold value is less than or equal to；If driving power requirements are less than or equal to the driving power threshold value,
Judge the current electric quantity of power-type power supply whether in preset electricity section；When the current electric quantity of power-type power supply is in the electricity
When in section, determine that the target operational mode of dual power supply is that energy type power supply individually discharges；When the current electric quantity of power-type power supply
Less than the electricity section lower limit value when, determine dual power supply target operational mode be energy type corona discharge and power-type power supply
Charging；When the current electric quantity of power-type power supply is greater than the upper limit value in the electricity section, the target operational mode of dual power supply is determined
It individually discharges for power-type power supply.If driving power requirements are greater than the driving power threshold value, the target work of dual power supply is determined
Operation mode is that energy type power supply and power-type power supply discharge jointly.
(3) current power demand value is feedback power requirements, and vehicle is in regenerating condition: judging feedback power requirements
Whether preset feedback power threshold value is less than or equal to；If feedback power requirements are less than or equal to feedback power threshold value, sentence
Whether the current electric quantity of disconnected power-type power supply is less than or equal to preset power threshold；When the current electric quantity of power-type power supply is less than
Or when being equal to the power threshold, determine that the target operational mode of dual power supply is that power-type power supply individually charges；When power-type power supply
Current electric quantity be greater than the power threshold when, determine dual power supply target operational mode be energy type power supply individually charge.If
Feedback power requirements are greater than feedback power threshold value, determine that the target operational mode of dual power supply is energy type power supply and power-type electricity
It charges jointly in source.
It should be noted that the setting of driving power threshold value, feedback power threshold value is electric with energy type power supply and power-type
The maximum rated power in source is related, and driving power threshold value and feedback power threshold value may be the same or different.Above-mentioned electricity area
Between for the electricity range under the reasonable working condition of power-type power supply, can be arranged according to the actual situation.Likewise, above-mentioned electricity threshold
Value can be arranged according to the actual situation.
Step S106, control dual power supply enter target operational mode.
Entire car controller can be by the bi-directional DC-DC converter connecting respectively with energy type power supply and power-type power supply
Charge command or electric discharge order are sent, to control dual power supply into corresponding operating mode.Wherein, charge command can be charging
Power or charging current, electric discharge order can be discharge power or discharge current.
In the embodiment of the present invention, the current power demand value of electric car and the current electric quantity of dual power supply are obtained；According to working as
The current electric quantity of preceding power demand values and dual power supply determines the target operational mode of dual power supply；It controls dual power supply and enters the target
Operating mode.The work of dual power supply is controlled based on the current power demand value of electric car and the current electric quantity of dual power supply in this way
Mode realizes the beneficial combination of two kinds of power supplys, can play two kinds of respective advantages of power supply, can meet various operating conditions
In the case where, optimize the energy proportioning of two kinds of power supplys, saves power supply cost.
In some possible embodiments, dual power supply is divided into 10 kinds of operating modes, the corresponding double electricity of 10 kinds of operating modes
10 kinds of states in source.Method provided in an embodiment of the present invention is mainly to pass through the relevant information of acquisition vehicle, judges power-type electricity
Whether the current electric quantity in source is excessive or very few, in this, as condition is jumped, two kinds of power supplys is allowed rationally to work.Fig. 2 is that the present invention is real
The schematic diagram for applying ten kinds of dual power supply operating modes of example offer jumps control process to 10 operating modes referring to Fig. 2
It is specifically described.
1) energy allocation unit (or entire car controller) can real-time detection motor speed, power demand, two kinds of electric quantity of power supply
Etc. relevant informations.
2) when vehicle is in the state without driving and feedback, state where last moment can be jumped out.
A. when detecting that power-type electric quantity of power supply is excessive, state 5 can be jumped to, power-type power supply individually gives energy type electric
Source charging stops charging when power-type electric quantity of power supply drops to reasonable value.
B. when detecting that power-type electric quantity of power supply is very few, state 2 can be jumped to, energy type power supply individually gives power-type electric
Source charging stops charging when power-type electric quantity of power supply rises to reasonable value.
C. when detecting that power-type electric quantity of power supply is reasonable, state 10 can be jumped to: driving standby mode.
3) when vehicle is in driving condition, and drives demand little, state where last moment can be jumped out.
A. when driving power demand is not more than set reasonable value, and in the reasonable situation of power-type electric quantity of power supply, meeting
State 1 is jumped to, energy type power supply individually discharges.
B. it when driving power demand is not more than set reasonable value, and can be jumped in the case that power-type electric quantity of power supply is excessive
State 4 is gone to, power-type power supply individually discharges.
C. in the case that driving power demand is not more than set reasonable value, and power-type electric quantity of power supply is very few, meeting
Jump to state 3, energy type corona discharge, power-type power source charges.
4) when vehicle is in driving condition, and drives demand larger, state where last moment can be jumped out, into state
8, energy type power supply and power-type power supply discharge jointly.
5) when vehicle is in regenerating condition, and feedback power is little, state where last moment can be jumped out.
A. when feedback power demand is no more than set reasonable value and power-type electric quantity of power supply is reasonable or electricity is lesser
In the case of, state 7 can be jumped to, power-type power supply individually charges.
B. it in the case that feedback power demand is not more than set reasonable value and power-type electric quantity of power supply is excessive, can jump
State 6 is gone to, energy type power supply individually charges.
6) when vehicle is in regenerating condition, and feedback demand is larger, state where last moment can be jumped out, into state
9, energy type power supply and power-type power supply charge jointly.
Above-mentioned control method can be good at the flash-over characteristic in conjunction with two kinds of batteries, before not changing vehicle driving demand
It puts, well adapts to different road conditions, and the method can optimize the energy proportioning of two kinds of power supplys to a certain extent, make
Two kinds of power supplys save cost under the premise of meet demand.
Fig. 3 is the flow diagram of another dual power supply operating mode control method provided in an embodiment of the present invention, the party
Method can automatically control the discharge power and discharge time of two kinds of power supplys, include 10 Working moulds as shown in Figure 2 in this method
Formula.
As shown in figure 3, current motor revolving speed, power-type electric quantity of power supply and other correlations can be detected when vehicle just powers on
Information.
When vehicle has driving demand, and drives demand excessive, into state 8.
When vehicle has driving demand, and drives demand little, judge whether power-type electric quantity of power supply is reasonable；Work as power-type
When electric quantity of power supply is reasonable, into state 1；When power-type electric quantity of power supply is unreasonable, and it is excessive when, into state 4；When power-type electricity
Source electricity is unreasonable, and it is very few when, into state 3.
When vehicle has feedback demand, and feedback demand is excessive, into state 9.
When vehicle has feedback demand, and feedback demand is little, judge whether power-type electric quantity of power supply is excessive；Work as power-type
When electric quantity of power supply is excessive, into state 6；When power-type electric quantity of power supply is very few, into state 7.
When vehicle does not drive demand and do not have feedback demand, judge whether power-type electric quantity of power supply is reasonable；Work as power
When type electric quantity of power supply is reasonable, into state 10；When power-type electric quantity of power supply is very few, into state 2；When power-type electric quantity of power supply
When excessive, into state 5.
Dual power supply enters the distribution after each state in execution state.Dual power supply operating mode control system can be recycled constantly
Execute flow chart shown in Fig. 3.
Embodiment two:
Corresponding to the method for above-described embodiment one, the embodiment of the invention also provides a kind of controls of dual power supply operating mode to fill
It sets, which is applied to the electric car with dual power supply, and dual power supply includes energy type power supply and power-type power supply.
Fig. 4 is a kind of structural schematic diagram of dual power supply operating mode control device provided in an embodiment of the present invention, such as Fig. 4 institute
Show, which includes:
Module 42 is obtained, for obtaining the current power demand value of electric car and the current electric quantity of dual power supply；
Determining module 44 determines the target of dual power supply for the current electric quantity according to current power demand value and dual power supply
Operating mode；
Control module 46 enters target operational mode for controlling dual power supply.
Optionally, above-mentioned acquisition module 42 is specifically used for: judging whether electric car is in driving condition or regenerating condition；
If so, obtaining the driving power requirements of electric car at any driving condition or the feedback power demand under regenerating condition
Value；If not, determining that the current power demand value of electric car is 0.
Optionally, when above-mentioned current power demand value is 0, above-mentioned determining module 44 is specifically used for: judging power-type electricity
Whether the current electric quantity in source is in preset electricity section；When the current electric quantity of power-type power supply is less than the lower limit in the electricity section
When value, determine that the target operational mode of dual power supply is that energy type power supply gives power-type power source charges；It is current when power-type power supply
When electricity is greater than the upper limit value in the electricity section, determine that the target operational mode of dual power supply is that power-type power supply gives energy type power supply
Charging.
Optionally, when above-mentioned current power demand value is driving power requirements, above-mentioned determining module 44 is specifically used for:
Judge whether driving power requirements are less than or equal to preset driving power threshold value；If driving power requirements are less than or wait
In the driving power threshold value, judge the current electric quantity of power-type power supply whether in preset electricity section；When power-type power supply
Current electric quantity in the electricity section when, determine dual power supply target operational mode be energy type power supply individually discharge；Work as function
When the current electric quantity of rate type power supply is less than the lower limit value in the electricity section, determine that the target operational mode of dual power supply is energy type electricity
Source electric discharge and power-type power source charges；When the current electric quantity of power-type power supply is greater than the upper limit value in the electricity section, determine double
The target operational mode of power supply is that power-type power supply individually discharges.
Further, when above-mentioned current power demand value is driving power requirements, above-mentioned determining module 44 is specifically gone back
For: if driving power requirements are greater than driving power threshold value, determine that the target operational mode of dual power supply is energy type power supply
It discharges jointly with power-type power supply.
Optionally, when above-mentioned current power demand value is feedback power requirements, above-mentioned determining module 44 is specifically used for:
Judge whether feedback power requirements are less than or equal to preset feedback power threshold value；If feedback power requirements are less than or wait
In feedback power threshold value, judge whether the current electric quantity of power-type power supply is less than or equal to preset power threshold；Work as power-type
When the current electric quantity of power supply is less than or equal to the power threshold, determine that the target operational mode of dual power supply is that power-type power supply is independent
Charging；When the current electric quantity of power-type power supply is greater than the power threshold, determine that the target operational mode of dual power supply is energy type
Power supply individually charges.
Further, when above-mentioned current power demand value is feedback power requirements, above-mentioned determining module 44 is specifically gone back
For: if feedback power requirements are greater than feedback power threshold value, determine that the target operational mode of dual power supply is energy type power supply
It charges jointly with power-type power supply.
In the embodiment of the present invention, obtains module 42 and obtain the current power demand value of electric car and the current electricity of dual power supply
Amount；Determining module 44 determines the target operational mode of dual power supply according to the current electric quantity of current power demand value and dual power supply；Control
Molding block 46 controls dual power supply and enters the target operational mode.Current power demand value and dual power supply based on electric car in this way
Current electric quantity control the operating mode of dual power supply, realize the beneficial combination of two kinds of power supplys, two kinds of power supplys can be played
Respective advantage can optimize the energy proportioning of two kinds of power supplys in the case where meeting various operating conditions, save power supply cost.
Embodiment three:
Fig. 5 is a kind of structural schematic diagram of dual power supply operating mode control system provided in an embodiment of the present invention, such as Fig. 5 institute
Show, which includes entire car controller 52, energy type power supply 54, power-type power supply 56 and bi-directional DC-DC converter 58；Energy type
Power supply 54, power-type power supply 56 and bi-directional DC-DC converter 58 are connect with entire car controller 52 respectively；Entire car controller 52 includes
Memory, processor, the computer program that can be run on a processor is stored in memory, and processor executes computer program
The method of Shi Shixian above-described embodiment one.
Specifically, as shown in figure 5, entire car controller 52 respectively with energy type power supply 54, power-type power supply 56 and two-way DC-
DC converter 58 is communicatively coupled, and energy type power supply 54 and power-type power supply 56 are carried out with bi-directional DC-DC converter 58 respectively
Electrical connection.
In addition, entire car controller 52 is also communicatively coupled with load or electric machine controller, to obtain power demand.
Fig. 6 is a kind of structural schematic diagram of entire car controller provided in an embodiment of the present invention, and referring to Fig. 6, the present invention is implemented
Example also provides a kind of entire car controller 52, comprising: processor 60, memory 61, bus 62 and communication interface 63, the processor
60, communication interface 63 and memory 61 are connected by bus 62；Processor 60 be used to execute stored in memory 61 it is executable
Module, such as computer program.
Wherein, memory 61 may include high-speed random access memory (RAM, RandomAccessMemory), can also
It can further include nonvolatile memory (non-volatile memory), for example, at least a magnetic disk storage.Pass through at least one
A communication interface 63 (can be wired or wireless) realizes the communication link between the system network element and at least one other network element
It connects, internet, wide area network, local network, Metropolitan Area Network (MAN) etc. can be used.
Bus 62 can be isa bus, pci bus or eisa bus etc..The bus can be divided into address bus, data
Bus, control bus etc..Only to be indicated with a four-headed arrow convenient for indicating, in Fig. 6, it is not intended that an only bus or
A type of bus.
Wherein, memory 61 is for storing program, and the processor 60 executes the journey after receiving and executing instruction
Sequence, method performed by the device that the stream process that aforementioned any embodiment of the embodiment of the present invention discloses defines can be applied to handle
In device 60, or realized by processor 60.
Processor 60 may be a kind of IC chip, the processing capacity with signal.During realization, above-mentioned side
Each step of method can be completed by the integrated logic circuit of the hardware in processor 60 or the instruction of software form.Above-mentioned
Processor 60 can be general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network
Processor (Network Processor, abbreviation NP) etc.；It can also be digital signal processor (Digital Signal
Processing, abbreviation DSP), specific integrated circuit (Application Specific Integrated Circuit, referred to as
ASIC), ready-made programmable gate array (Field-Programmable Gate Array, abbreviation FPGA) or other are programmable
Logical device, discrete gate or transistor logic, discrete hardware components.It may be implemented or execute in the embodiment of the present invention
Disclosed each method, step and logic diagram.General processor can be microprocessor or the processor is also possible to appoint
What conventional processor etc..The step of method in conjunction with disclosed in the embodiment of the present invention, can be embodied directly in hardware decoding processing
Device executes completion, or in decoding processor hardware and software module combination execute completion.Software module can be located at
Machine memory, flash memory, read-only memory, programmable read only memory or electrically erasable programmable memory, register etc. are originally
In the storage medium of field maturation.The storage medium is located at memory 61, and processor 60 reads the information in memory 61, in conjunction with
Its hardware completes the step of above method.
Example IV:
The embodiment of the invention also provides a kind of electric car, which includes the dual power supply such as above-described embodiment three
Operating mode control system.
Dual power supply operating mode control device, system and electric car provided in an embodiment of the present invention, with above-described embodiment
The dual power supply operating mode control method technical characteristic having the same of offer reaches so also can solve identical technical problem
To identical technical effect.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description,
The specific work process of system and electric car, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
The flow chart and block diagram in the drawings show the system of multiple embodiments according to the present invention, method and computer journeys
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
A part of one module, section or code of table, a part of the module, section or code include one or more use
The executable instruction of the logic function as defined in realizing.It should also be noted that in some implementations as replacements, being marked in box
The function of note can also occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually base
Originally it is performed in parallel, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that
It is the combination of each box in block diagram and or flow chart and the box in block diagram and or flow chart, can uses and execute rule
The dedicated hardware based system of fixed function or movement is realized, or can use the group of specialized hardware and computer instruction
It closes to realize.
The computer program product of dual power supply operating mode control method is carried out provided by the embodiment of the present invention, including is deposited
The computer readable storage medium of the executable non-volatile program code of processor, the instruction that said program code includes are stored up
It can be used for executing previous methods method as described in the examples, specific implementation can be found in embodiment of the method, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of dual power supply operating mode control method, which is characterized in that described double applied to the electric car with dual power supply
Power supply includes energy type power supply and power-type power supply；The described method includes:
Obtain the current power demand value of the electric car and the current electric quantity of the dual power supply；
According to the current electric quantity of the current power demand value and the dual power supply, the target operation mould of the dual power supply is determined
Formula；
The dual power supply is controlled into the target operational mode.
2. the method according to claim 1, wherein the current power demand for obtaining the electric car
Value, comprising:
Judge whether the electric car is in driving condition or regenerating condition；
If so, obtaining the driving power requirements of the electric car at any driving condition or the feedback function under regenerating condition
Rate requirements；
If not, determining that the current power demand value of the electric car is 0.
3. according to the method described in claim 2, it is characterized in that, when the current power demand value be 0 when, it is described according to institute
The current electric quantity for stating current power demand value and the dual power supply determines the target operational mode of the dual power supply, comprising:
Judge the current electric quantity of the power-type power supply whether in preset electricity section；
When the current electric quantity of the power-type power supply is less than the lower limit value in the electricity section, the target of the dual power supply is determined
Operating mode is the energy type power supply to the power-type power source charges；
When the current electric quantity of the power-type power supply is greater than the upper limit value in the electricity section, the target of the dual power supply is determined
Operating mode is the power-type power supply to the energy type power source charges.
4. according to the method described in claim 2, it is characterized in that, when the current power demand value needs for the driving power
When evaluation, the current electric quantity according to the current power demand value and the dual power supply determines the target of the dual power supply
Operating mode, comprising:
Judge whether the driving power requirements are less than or equal to preset driving power threshold value；
If the driving power requirements are less than or equal to the driving power threshold value, the current of the power-type power supply is judged
Whether electricity is in preset electricity section；
When the current electric quantity of the power-type power supply is in the electricity section, the target operational mode of the dual power supply is determined
It individually discharges for the energy type power supply；
When the current electric quantity of the power-type power supply is less than the lower limit value in the electricity section, the target of the dual power supply is determined
Operating mode is the energy type corona discharge and the power-type power source charges；
When the current electric quantity of the power-type power supply is greater than the upper limit value in the electricity section, the target of the dual power supply is determined
Operating mode is that the power-type power supply individually discharges.
5. according to the method described in claim 4, it is characterized in that, the method also includes:
If the driving power requirements are greater than the driving power threshold value, determine that the target operational mode of the dual power supply is
The energy type power supply and the power-type power supply discharge jointly.
6. according to the method described in claim 2, it is characterized in that, when the current power demand value needs for the feedback power
When evaluation, the current electric quantity according to the current power demand value and the dual power supply determines the target of the dual power supply
Operating mode, comprising:
Judge whether the feedback power requirements are less than or equal to preset feedback power threshold value；
If the feedback power requirements are less than or equal to the feedback power threshold value, the current of the power-type power supply is judged
Whether electricity is less than or equal to preset power threshold；
When the current electric quantity of the power-type power supply is less than or equal to the power threshold, the target work of the dual power supply is determined
Operation mode is that the power-type power supply individually charges；
When the current electric quantity of the power-type power supply is greater than the power threshold, the target operational mode of the dual power supply is determined
It individually charges for the energy type power supply.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
If the feedback power requirements are greater than the feedback power threshold value, determine that the target operational mode of the dual power supply is
The energy type power supply and the power-type power supply charge jointly.
8. a kind of dual power supply operating mode control device, which is characterized in that described double applied to the electric car with dual power supply
Power supply includes energy type power supply and power-type power supply；Described device includes:
Module is obtained, for obtaining the current power demand value of the electric car and the current electric quantity of the dual power supply；
Determining module determines the dual power supply for the current electric quantity according to the current power demand value and the dual power supply
Target operational mode；
Control module, for controlling the dual power supply into the target operational mode.
9. a kind of dual power supply operating mode control system, which is characterized in that including entire car controller, energy type power supply, power-type
Power supply and bi-directional DC-DC converter；The energy type power supply, the power-type power supply and bi-directional DC-DC converter difference
It is connect with the entire car controller；
The entire car controller includes memory, processor, and be stored in the memory to run on the processor
Computer program, the processor realize method of any of claims 1-7 when executing the computer program.
10. a kind of electric car, which is characterized in that including dual power supply operating mode control system as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567283.2A CN109484245A (en) | 2018-12-20 | 2018-12-20 | Dual power supply operating mode control method, device, system and electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567283.2A CN109484245A (en) | 2018-12-20 | 2018-12-20 | Dual power supply operating mode control method, device, system and electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109484245A true CN109484245A (en) | 2019-03-19 |
Family
ID=65711049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811567283.2A Pending CN109484245A (en) | 2018-12-20 | 2018-12-20 | Dual power supply operating mode control method, device, system and electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109484245A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969038A (en) * | 2019-04-16 | 2019-07-05 | 爱驰汽车有限公司 | Energy management method, system, equipment and the storage medium of vehicle-mounted double source battery pack |
| CN112878415A (en) * | 2021-03-31 | 2021-06-01 | 三一重机有限公司 | Power module control method and system of electric excavator and electric excavator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771290A (en) * | 2010-01-29 | 2010-07-07 | 奇瑞汽车股份有限公司 | Electric car power supply and charging and discharging method thereof |
| US20110049977A1 (en) * | 2009-09-01 | 2011-03-03 | Boston-Power, Inc. | Safety and performance optimized controls for large scale electric vehicle battery systems |
| CN102700427A (en) * | 2012-06-01 | 2012-10-03 | 武汉理工大学 | Vehicle-mounted fuel cell and storage cell directly paralleled power system with super capacitor |
| CN104163116A (en) * | 2014-07-31 | 2014-11-26 | 清华大学 | Energy management method for composite energy storage system for vehicle |
| CN106564398A (en) * | 2016-11-08 | 2017-04-19 | 西安交通大学 | Vehicle-mounted composite power supply system of electric vehicle and control method |
| CN106627184A (en) * | 2015-10-30 | 2017-05-10 | 天津市松正电动汽车技术股份有限公司 | Electric energy distributing method for electric automobile |
-
2018
- 2018-12-20 CN CN201811567283.2A patent/CN109484245A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110049977A1 (en) * | 2009-09-01 | 2011-03-03 | Boston-Power, Inc. | Safety and performance optimized controls for large scale electric vehicle battery systems |
| CN101771290A (en) * | 2010-01-29 | 2010-07-07 | 奇瑞汽车股份有限公司 | Electric car power supply and charging and discharging method thereof |
| CN102700427A (en) * | 2012-06-01 | 2012-10-03 | 武汉理工大学 | Vehicle-mounted fuel cell and storage cell directly paralleled power system with super capacitor |
| CN104163116A (en) * | 2014-07-31 | 2014-11-26 | 清华大学 | Energy management method for composite energy storage system for vehicle |
| CN106627184A (en) * | 2015-10-30 | 2017-05-10 | 天津市松正电动汽车技术股份有限公司 | Electric energy distributing method for electric automobile |
| CN106564398A (en) * | 2016-11-08 | 2017-04-19 | 西安交通大学 | Vehicle-mounted composite power supply system of electric vehicle and control method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969038A (en) * | 2019-04-16 | 2019-07-05 | 爱驰汽车有限公司 | Energy management method, system, equipment and the storage medium of vehicle-mounted double source battery pack |
| CN109969038B (en) * | 2019-04-16 | 2021-09-21 | 爱驰汽车有限公司 | Energy management method, system, equipment and storage medium for vehicle-mounted dual-source battery pack |
| CN112878415A (en) * | 2021-03-31 | 2021-06-01 | 三一重机有限公司 | Power module control method and system of electric excavator and electric excavator |
| CN112878415B (en) * | 2021-03-31 | 2022-10-11 | 三一重机有限公司 | Power module control method and system of electric excavator and electric excavator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108556838B (en) | Automobile energy control method, apparatus and system | |
| CN105459844B (en) | A kind of stroke-increasing electric automobile multi-mode energy management method | |
| CN107539155B (en) | Electrical bicycle charging method, apparatus and system | |
| CN104583719B (en) | charging management system | |
| EP2773526B1 (en) | A dual energy storage system for micro hybrid vehicles | |
| CN102856965B (en) | Intelligent system of electric automobile charging station and charging method | |
| US8768553B2 (en) | Method and system for controlling charging of battery for hybrid electric vehicle | |
| CN104875738A (en) | Hybrid powertrain mode determination based on spatial domain route segmentation | |
| CN104417557A (en) | Slide feedback control method and control method thereof of vehicle | |
| CN106471698A (en) | For adjusting the apparatus and method of the charged state of energy storage | |
| CN108501936A (en) | Torque distribution method, device and the electronic equipment of automobile | |
| CN105584474A (en) | Method and system for variably adjusting voltage of ldc for hybrid vehicle | |
| CN104734304A (en) | Electric vehicle charging control method, device and charging system | |
| CN109484245A (en) | Dual power supply operating mode control method, device, system and electric car | |
| CN105291868A (en) | Vehicle power system and vehicle comprising same | |
| JP2015076929A (en) | Power accommodation device for electric car | |
| CN102983614A (en) | Two-way converter station charge-discharge system | |
| CN110509787A (en) | Charge heap, charging heap output power control method, device, equipment and medium | |
| CN109017399A (en) | The intelligent charging system and method for electric car | |
| CN112529608A (en) | Information processing system and program | |
| CN105162236A (en) | Composite energy power distribution system | |
| CN103407446A (en) | Hybrid power vehicle chassis energy regeneration system and method | |
| CN113442731B (en) | Intelligent train control method and device based on regenerative braking energy and electronic equipment | |
| CN115995839B (en) | Method, device, equipment and medium for determining working state of multifunctional mobile energy storage vehicle | |
| CN108137038A (en) | For controlling the method and apparatus of the electric torque of hybrid moto vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190618 Address after: Room 701, Block B, Building 6, Software Park, No. 5 Hope Avenue South Road, Yancheng Economic and Technological Development Zone, Yancheng City, Jiangsu Province, 224000 Applicant after: China Express (Jiangsu) Technology Co., Ltd. Address before: 202150 Room 8438, 3 Building 1700, Chongming District, Shanghai (Shanghai Port-side Economic Zone) Applicant before: China Express Holdings Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190319 |
|
| RJ01 | Rejection of invention patent application after publication |