CN107379981B - A kind of intelligent charge control method of the new energy vehicle with on-board charging system - Google Patents
A kind of intelligent charge control method of the new energy vehicle with on-board charging system Download PDFInfo
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- CN107379981B CN107379981B CN201710488702.2A CN201710488702A CN107379981B CN 107379981 B CN107379981 B CN 107379981B CN 201710488702 A CN201710488702 A CN 201710488702A CN 107379981 B CN107379981 B CN 107379981B
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000007600 charging Methods 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 claims abstract description 35
- 238000010248 power generation Methods 0.000 claims description 14
- 101100257262 Caenorhabditis elegans soc-1 gene Proteins 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 4
- 101150114085 soc-2 gene Proteins 0.000 claims description 4
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000010278 pulse charging Methods 0.000 abstract description 4
- 206010037660 Pyrexia Diseases 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
- B60L58/13—Maintaining the SoC within a determined range
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The intelligent charge control method of the invention discloses a kind of new energy vehicle with on-board charging system, including electricity generation system starting control method and generated output control method.Wherein, generated output control method is divided into: normal condition, peak times of power consumption, vehicle start accelerate.A kind of intelligent charge control method of new energy vehicle with on-board charging system of the invention, pass through anticipation vehicle power demand and the dynamic property of current power battery, the adjustment generated output of intelligence, realize the control to the big multiplying power discharging of power battery and large current pulse charging, the charge-discharge power demand of the smooth big multiplying power to power battery, the calorific value for reducing power battery, improves the service life of power battery, reduces the use cost of power battery.
Description
Technical field
The present invention relates to technical field of new energy, more particularly to a kind of new energy vehicle with on-board charging system
Intelligent charge control method.
Background technique
Currently, the capacity for the electrokinetic cell system that the new energy vehicle with on-board charging system is installed is all smaller, vehicle
In operation, especially electrokinetic cell system is frequently required to carry out the electric discharge of big multiplying power, this will be greatly reduced dynamic when accelerating
The cycle life of power battery, to improve the maintenance cost and use cost of power battery.
Currently, the control method with on-board charging system probably has two classes: 1, some generated output is fixed, with power
Battery SOC is as the foundation for judging start and stop；2, generated output is adjusted according to speed, and speed is faster, and generated output is bigger, vehicle
Stop when, electricity generation system then suspends power generation.Such traditional control method, cannot prejudge vehicle power demand and current power
The dynamic property of battery, cannot intelligence adjustment generated output, can not achieve to the big multiplying power discharging of power battery and high current arteries and veins
Rush charging control, cannot the smooth big multiplying power to power battery charge-discharge power demand, the calorific value of power battery cannot be reduced.
Summary of the invention
The purpose of the present invention is overcoming shortcoming in the prior art, a kind of new energy with on-board charging system is provided
The intelligent charge control method of source vehicle passes through anticipation vehicle power demand and the dynamic property of current power battery, intelligent tune
It haircuts electrical power, realizes the control to the big multiplying power discharging of power battery and large current pulse charging, it is smooth to the big of power battery
The charge-discharge power demand of multiplying power reduces the calorific value of power battery, improves the service life of power battery, reduces making for power battery
Use cost.
The purpose of the present invention is achieved through the following technical solutions:
A kind of intelligent charge control method of the new energy vehicle with on-board charging system, including electricity generation system starting control
Method and generated output control method；
Electricity generation system starts control method are as follows:
Entire car controller acquires SOC value of battery, and calculates the variable quantity △ SOC=of SOC value in a time cycle Q
SOC1-SOC2, SOC1, SOC2 are respectively value corresponding to two critical points of time cycle Q, continuously record n time cycle Q
SOC value variable quantity △ SOC, if having m time cycle Q SOC value variable quantity △ SOC be greater than preset value △ SOC 1, start
Electricity generation system, wherein m≤n；
Entire car controller acquires current battery temperature T, if current battery temperature T is greater than preset value T1, starts power generation system
System；
Entire car controller acquires SOC value of battery, if current SOC value is less than preset value SOC ', starts electricity generation system；
Generated output control method is divided into: normal condition, peak times of power consumption, vehicle start accelerate, and generated output setting exists
Between Umin~Umax；
Under normal circumstances, generated output is defaulted as median Um=(Umin+Umax)/2；
Peak times of power consumption, entire car controller acquires SOC value of battery, and calculates the variable quantity of SOC value in a time cycle Q
△ SOC=SOC1-SOC2, SOC1, SOC2 are respectively value corresponding to two critical points of time cycle Q, if △ SOC is greater than △
SOC 2, generated output U1=Um+ △ SOC* δ, δ are power generation increment coefficient, and are kept for the current generated output U1 state t1 time,
If △ SOC is less than △ SOC3, generated output U2=Um+ △ the SOC* β, β of electricity generation system are power generation decrement factor, and keep current
The generated output U2 state t2 time, if SOC value of battery is greater than P in power generation process, electricity generation system stops working, and waits starting next time
Order；
Vehicle start accelerates,
Step 1: judge whether vehicle is in starting boost phase, be, then enters step 2, it is no, then enter step 3；
Step 2: whether judging speed >=S1, be, then electricity generation system exports default power Um, and no, then electricity generation system exports
Maximum power Umax；
Step 3: judge whether accelerator open degree >=1/3 and speed≤S2, be, then electricity generation system Maximum Power Output Umax,
It is no, then enter step 4；
Step 4: whether judge brake aperture >=1/5, it is that then electricity generation system exports minimum power Umin, and no, then generating electricity is
System output default power Um.
P=90% in one of the embodiments,.
S1=45km/h in one of the embodiments, S2=30km/h.
Time cycle Q is 3 minutes in one of the embodiments, n=5, m=4.
T1 is 5 minutes in one of the embodiments, and t2 is 15 minutes.
Vehicle is in the judgment criteria of starting stage in one of the embodiments, are as follows: parking brake induction of signal to parking brake from
Be pulled up to and put down, gear signal senses that gearbox is in forward, throttle signal sense accelerator open degree be greater than two/
One, current vehicle speed 0.
T1=45 DEG C of preset value in one of the embodiments,.
The intelligent charge control method of a kind of new energy vehicle with on-board charging system of the invention, by prejudging vehicle
The dynamic property of power demand and current power battery, intelligent adjustment generated output are realized to the big multiplying power discharging of power battery
And the control of large current pulse charging, the charge-discharge power demand of the smooth big multiplying power to power battery reduce the fever of power battery
Amount, improves the service life of power battery, reduces the use cost of power battery.
Detailed description of the invention
Fig. 1 is that the electricity generation system of one embodiment of the invention starts control method flow chart；
Fig. 2 is the flow chart of the generated output control method in peak times of power consumption of one embodiment of the invention；
Fig. 3 is the flow chart that the generated output control method of one embodiment of the invention accelerates in vehicle start.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
A kind of intelligent charge control method of the new energy vehicle with on-board charging system, including electricity generation system starting control
Method and generated output control method；
As shown in Figure 1, electricity generation system starts control method are as follows:
Entire car controller acquires SOC value of battery, and calculates the variable quantity △ SOC=of SOC value in a time cycle Q
SOC1-SOC2, SOC1, SOC2 are respectively value corresponding to two critical points of time cycle Q, continuously record n time cycle Q
SOC value variable quantity △ SOC, if having m time cycle Q SOC value variable quantity △ SOC be greater than preset value △ SOC 1, start
Electricity generation system, wherein m≤n；For example, it is 8% that time cycle Q, which is 3 minutes, n=5, m=4, △ SOC 1,.
Entire car controller acquires current battery temperature T, if current battery temperature T is greater than preset value T1, starts power generation system
System；For example, T1=45 DEG C of preset value.
Entire car controller acquires SOC value of battery, if current SOC value is less than preset value SOC ', starts electricity generation system；Example
Such as, SOC ' is 30%.
Generated output control method is divided into: normal condition, peak times of power consumption, vehicle start accelerate, and generated output setting exists
Between Umin~Umax；For example, Umin=20kw, Umax=50kw.
Under normal circumstances, generated output is defaulted as median Um=(Umin+Umax)/2；For example, Um=(20+50)/2=
35kw。
As shown in Fig. 2, peak times of power consumption, entire car controller acquires SOC value of battery, and calculates SOC in a time cycle Q
Variable quantity the △ SOC=SOC1-SOC2, SOC1, SOC2 of value are respectively value corresponding to two critical points of time cycle Q, if
△ SOC is greater than △ SOC 2, and generated output U1=Um+ △ SOC* δ, δ are power generation increment coefficient, and keep current generated output U1
The state t1 time, if △ SOC is less than △ SOC3, generated output U2=Um+ △ the SOC* β, β of electricity generation system are power generation decrement system
Number, and kept for the current generated output U2 state t2 time, if SOC value of battery is greater than P in power generation process, electricity generation system stops work
Make, waits next start command；For example, △ SOC 2=5%, δ=50~200, △ SOC3=-5%, β=50~150, P=
90%, t1 are 5 minutes, and t2 is 15 minutes.
As shown in figure 3, vehicle start accelerates,
Step 1: judge whether vehicle is in starting boost phase, be, then enters step 2, it is no, then enter step 3；
Step 2: whether judging speed >=S1, be, then electricity generation system exports default power Um, and no, then electricity generation system exports
Maximum power Umax；
Step 3: judge whether accelerator open degree >=1/3 and speed≤S2, be, then electricity generation system Maximum Power Output Umax,
It is no, then enter step 4；
Step 4: whether judge brake aperture >=1/5, it is that then electricity generation system exports minimum power Umin, and no, then generating electricity is
System output default power Um.
For example, S1=45km/h, S2=30km/h.
It is noted that vehicle is in the judgment criteria of starting stage are as follows: parking brake induction of signal to parking brake is put from being pulled up to
Under, gear signal senses that gearbox is in forward, and throttle signal senses that accelerator open degree is greater than half, works as front truck
Speed is 0.
The intelligent charge control method of a kind of new energy vehicle with on-board charging system of the invention, by prejudging vehicle
The dynamic property of power demand and current power battery, intelligent adjustment generated output are realized to the big multiplying power discharging of power battery
And the control of large current pulse charging, the charge-discharge power demand of the smooth big multiplying power to power battery reduce the fever of power battery
Amount, improves the service life of power battery, reduces the use cost of power battery.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of intelligent charge control method of the new energy vehicle with on-board charging system, which is characterized in that be including power generation
System starting control method and generated output control method；
Electricity generation system starts control method are as follows:
Entire car controller acquires SOC value of battery, and calculates the variable quantity △ SOC=SOC1- of SOC value in a time cycle Q
SOC2, SOC1, SOC2 are respectively value corresponding to two critical points of time cycle Q, continuously record the SOC of n time cycle Q
It is worth variable quantity △ SOC, if there is the SOC value variable quantity △ SOC of m time cycle Q to be greater than preset value △ SOC 1, starts power generation
System, wherein m≤n；
Entire car controller acquires current battery temperature T, if current battery temperature T is greater than preset value T1, starts electricity generation system；
Entire car controller acquires SOC value of battery, if current SOC value is less than preset value SOC ', starts electricity generation system；
Generated output control method is divided into: normal condition, peak times of power consumption, vehicle start accelerate, and generated output is arranged in Umin
Between~Umax；
Under normal circumstances, generated output is defaulted as median Um=(Umin+Umax)/2；
Peak times of power consumption, entire car controller acquires SOC value of battery, and calculates the variable quantity △ of SOC value in a time cycle Q
SOC=SOC1-SOC2, SOC1, SOC2 are respectively value corresponding to two critical points of time cycle Q, if △ SOC is greater than △
SOC 2, generated output U1=Um+ △ SOC* δ, δ are power generation increment coefficient, and are kept for the current generated output U1 state t1 time,
If △ SOC is less than △ SOC3, generated output U2=Um+ △ the SOC* β, β of electricity generation system are power generation decrement factor, and keep current
The generated output U2 state t2 time, if SOC value of battery is greater than P in power generation process, electricity generation system stops working, and waits starting next time
Order；
Vehicle start accelerates,
Step 1: judge whether vehicle is in starting boost phase, be, then enters step 2, it is no, then enter step 3；
Step 2: whether judging speed >=S1, be, then electricity generation system exports default power Um, and no, then electricity generation system output is maximum
Power Umax；
Step 3: judging whether accelerator open degree >=1/3 and speed≤S2, be, then electricity generation system Maximum Power Output Umax, no, then
Enter step 4；
Step 4: whether judge brake aperture >=1/5, it is that then electricity generation system exports minimum power Umin, and no, then electricity generation system is defeated
Default power Um out.
2. the intelligent charge control method of the new energy vehicle according to claim 1 with on-board charging system, feature
It is, P=90%.
3. the intelligent charge control method of the new energy vehicle according to claim 1 with on-board charging system, feature
It is, S1=45km/h, S2=30km/h.
4. the intelligent charge control method of the new energy vehicle according to claim 1 with on-board charging system, feature
It is, time cycle Q is 3 minutes, n=5, m=4.
5. the intelligent charge control method of the new energy vehicle according to claim 1 with on-board charging system, feature
It is, t1 is 5 minutes, and t2 is 15 minutes.
6. the intelligent charge control method of the new energy vehicle according to claim 1 with on-board charging system, feature
It is, vehicle is in the judgment criteria of starting stage are as follows: parking brake induction of signal to parking brake is put down from being pulled up to, gear signal induction
It is in forward to gearbox, throttle signal senses that accelerator open degree is greater than half, current vehicle speed 0.
7. the intelligent charge control method of the new energy vehicle according to claim 1 with on-board charging system, feature
It is, T1=45 DEG C of preset value.
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| CN103879301A (en) * | 2014-04-02 | 2014-06-25 | 广东亿纬赛恩斯新能源***有限公司 | Charging control method of extended range electric vehicle |
| CN104158242A (en) * | 2014-08-01 | 2014-11-19 | 青岛海能阿尔派轨道电力设备工程科技有限公司 | Track traffic braking energy storage and utilization device |
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2017
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|---|---|---|---|---|
| JPH06197406A (en) * | 1992-12-21 | 1994-07-15 | Toyota Motor Corp | Controller for engine-driven generator for electric vehicle |
| CN101519074A (en) * | 2009-04-01 | 2009-09-02 | 奇瑞汽车股份有限公司 | Control method of externally rechargeable type mixed power automobile generator group |
| CN102082453A (en) * | 2009-11-30 | 2011-06-01 | 三洋电机株式会社 | Equalization device, battery system and electric vehicle including the same and equalization processing program |
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Effective date of registration: 20200424 Address after: 448000 No. 68 Jingnan Avenue, Gongdao District, Jingmen High-tech Zone, Jingmen City, Hubei Province Patentee after: Hubei EVE Power Co.,Ltd. Address before: Seven road 516006 in Guangdong province Huizhou City Zhongkai high tech Zone Huifeng No. 36 Patentee before: GUANGZHOU EVE CENS NEW ENERGY SYSTEM Co.,Ltd. |