CN107379981A - A kind of intelligent charge control method of the new energy car with on-board charging system - Google Patents
A kind of intelligent charge control method of the new energy car with on-board charging system Download PDFInfo
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- CN107379981A CN107379981A CN201710488702.2A CN201710488702A CN107379981A CN 107379981 A CN107379981 A CN 107379981A CN 201710488702 A CN201710488702 A CN 201710488702A CN 107379981 A CN107379981 A CN 107379981A
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000007600 charging Methods 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 claims abstract description 40
- 101100257262 Caenorhabditis elegans soc-1 gene Proteins 0.000 claims description 4
- 101150114085 soc-2 gene Proteins 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000010278 pulse charging Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 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
Landscapes
- 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 invention discloses a kind of intelligent charge control method of the new energy car with on-board charging system, including electricity generation system to start 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 car with on-board charging system of the present invention, by the dynamic property for prejudging vehicle power demand and current power battery, the adjustment generated output of intelligence, realize the control to the big multiplying power discharging of electrokinetic cell and large current pulse charging, the charge-discharge power demand of the smooth big multiplying power to electrokinetic cell, the caloric value of electrokinetic cell is reduced, improves the service life of electrokinetic cell, reduces the use cost of electrokinetic cell.
Description
Technical field
The present invention relates to technical field of new energy, more particularly to a kind of new energy car with on-board charging system
Intelligent charge control method.
Background technology
At present, the capacity for the electrokinetic cell system that the new energy car with on-board charging system is installed is all smaller, car
In operation, especially when accelerating, frequently require that electrokinetic cell system carries out the electric discharge of big multiplying power, this can substantially reduce dynamic
The cycle life of power battery, so as to improve the maintenance cost of electrokinetic cell and use cost.
At present, the control method with on-board charging system probably has two classes：1st, some generated output is fixed, with power
Battery SOC is as the foundation for judging start and stop；2nd, generated output is adjusted according to speed, and speed is faster, and generated output is bigger, car
Stop when, electricity generation system then suspends generating.Such a traditional control method, it is impossible to prejudge vehicle power demand and current power
The dynamic property of battery, it is impossible to intelligent adjustment generated output, it is impossible to realize to the big multiplying power discharging of electrokinetic cell and high current arteries and veins
Rush the control of charging, it is impossible to the charge-discharge power demand of the smooth big multiplying power to electrokinetic cell, it is impossible to reduce the caloric value of electrokinetic cell.
The content of the invention
The purpose of the present invention is to overcome weak point of the prior art, there is provided a kind of new energy with on-board charging system
The intelligent charge control method of source car, by prejudging the dynamic property of vehicle power demand and current power battery, intelligent tune
Haircut electrical power, realize the control to the big multiplying power discharging of electrokinetic cell and large current pulse charging, it is smooth to the big of electrokinetic cell
The charge-discharge power demand of multiplying power, the caloric value of electrokinetic cell is reduced, improve the service life of electrokinetic cell, reduce making for electrokinetic cell
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 car with on-board charging system, including electricity generation system start control
Method and generated output control method；
Electricity generation system starts control method：
Entire car controller gathers SOC value of battery, and calculates the variable quantity △ SOC=of SOC value in a time cycle Q
SOC1-SOC2, SOC1, SOC2 are respectively the value corresponding to time cycle Q two critical points, continuously record n time cycle Q
SOC value variable quantity △ SOC, if the SOC value variable quantity △ SOC for having m time cycle Q are more than preset value △ SOC 1, start
Electricity generation system, wherein m≤n；
Entire car controller gathers current battery temperature T, if current battery temperature T is more than preset value T1, starts the system that generates electricity
System；
Entire car controller gathers 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 on
Between Umin~Umax；
Under normal circumstances, generated output is defaulted as median Um=(Umin+Umax)/2；
Peak times of power consumption, entire car controller collection SOC value of battery, and calculate the variable quantity of SOC value in a time cycle Q
△ SOC=SOC1-SOC2, SOC1, SOC2 are respectively the value corresponding to time cycle Q two critical points, if △ SOC are more than △
SOC 2, generated output U1=Um+ △ SOC* δ, δ are generating increment coefficient, and are kept for the current generated output U1 states t1 times,
If △ SOC are less than △ SOC3, generated output U2=Um+ △ the SOC* β, β of electricity generation system are generating decrement factor, and keep current
The generated output U2 state t2 times, if SOC value of battery is more than P in power generation process, electricity generation system is stopped, and waits start next time
Order；
Vehicle start accelerates,
Step 1：Judge whether vehicle is in starting boost phase, be, then it is no into step 2, then into step 3；
Step 2：Whether judge speed >=S1, be, then electricity generation system output default power Um, no, then electricity generation system exports
Peak 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 into step 4；
Step 4：Whether judge brake aperture >=1/5, it is that then electricity generation system output minimum power Umin, no, then generate electricity system
System output default power Um.
In one of the embodiments, P=90%.
In one of the embodiments, S1=45km/h, S2=30km/h.
In one of the embodiments, time cycle Q is 3 minutes, n=5, m=4.
In one of the embodiments, t1 is 5 minutes, and t2 is 15 minutes.
In one of the embodiments, the criterion that vehicle is in the starting stage is：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 more than two/
One, current vehicle speed 0.
In one of the embodiments, T1=45 DEG C of preset value.
The intelligent charge control method of a kind of new energy car with on-board charging system of the present invention, by prejudging vehicle
The dynamic property of power demand and current power battery, intelligent adjustment generated output, realize to the big multiplying power discharging of electrokinetic cell
And the control of large current pulse charging, the charge-discharge power demand of the smooth big multiplying power to electrokinetic cell, reduce the heating of electrokinetic cell
Amount, the service life of electrokinetic cell is improved, reduce the use cost of electrokinetic cell.
Brief description of the drawings
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.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.
A kind of intelligent charge control method of the new energy car with on-board charging system, including electricity generation system start control
Method and generated output control method；
As shown in figure 1, electricity generation system startup control method is：
Entire car controller gathers SOC value of battery, and calculates the variable quantity △ SOC=of SOC value in a time cycle Q
SOC1-SOC2, SOC1, SOC2 are respectively the value corresponding to time cycle Q two critical points, continuously record n time cycle Q
SOC value variable quantity △ SOC, if the SOC value variable quantity △ SOC for having m time cycle Q are more than preset value △ SOC 1, start
Electricity generation system, wherein m≤n；For example, time cycle Q be 3 minutes, n=5, m=4, △ SOC 1 be 8%.
Entire car controller gathers current battery temperature T, if current battery temperature T is more than preset value T1, starts the system that generates electricity
System；For example, T1=45 DEG C of preset value.
Entire car controller gathers 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 is arranged on
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 collection SOC value of battery, and calculate SOC in a time cycle Q
Variable quantity the △ SOC=SOC1-SOC2, SOC1, SOC2 of value are respectively the value corresponding to time cycle Q two critical points, if
△ SOC are more than △ SOC 2, and generated output U1=Um+ △ SOC* δ, δ is generating increment coefficient, and keeps current generated output U1
The state t1 times, if △ SOC are less than △ SOC3, generated output U2=Um+ △ the SOC* β, β of electricity generation system are the decrement system that generates electricity
Number, and kept for the current generated output U2 states t2 times, if SOC value of battery is more than P in power generation process, electricity generation system stops work
Make, wait start order next time；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 it is no into step 2, then into step 3；
Step 2：Whether judge speed >=S1, be, then electricity generation system output default power Um, no, then electricity generation system exports
Peak 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 into step 4；
Step 4：Whether judge brake aperture >=1/5, it is that then electricity generation system output minimum power Umin, no, then generate electricity system
System output default power Um.
For example, S1=45km/h, S2=30km/h.
It is noted that the criterion that vehicle is in the starting stage is：Parking brake induction of signal is put to parking brake from being pulled up to
Under, gear signal senses that gearbox is in forward, and throttle signal senses that accelerator open degree is more than half, current vehicle
Speed is 0.
The intelligent charge control method of a kind of new energy car with on-board charging system of the present invention, by prejudging vehicle
The dynamic property of power demand and current power battery, intelligent adjustment generated output, realize to the big multiplying power discharging of electrokinetic cell
And the control of large current pulse charging, the charge-discharge power demand of the smooth big multiplying power to electrokinetic cell, reduce the heating of electrokinetic cell
Amount, the service life of electrokinetic cell is improved, reduce the use cost of electrokinetic cell.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of intelligent charge control method of the new energy car with on-board charging system, it is characterised in that be including generating electricity
System starts control method and generated output control method；
Electricity generation system starts control method：
Entire car controller gathers SOC value of battery, and calculates the variable quantity △ SOC=SOC1- of SOC value in a time cycle Q
SOC2, SOC1, SOC2 are respectively the value corresponding to time cycle Q two critical points, continuously record n time cycle Q SOC
Value changes amount △ SOC, if the SOC value variable quantity △ SOC for having m time cycle Q are more than preset value △ SOC 1, start and generate electricity
System, wherein m≤n；
Entire car controller gathers current battery temperature T, if current battery temperature T is more than preset value T1, starts electricity generation system；
Entire car controller gathers 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 on Umin
Between~Umax；
Under normal circumstances, generated output is defaulted as median Um=(Umin+Umax)/2；
Peak times of power consumption, entire car controller collection SOC value of battery, and calculate the variable quantity △ of SOC value in a time cycle Q
SOC=SOC1-SOC2, SOC1, SOC2 are respectively the value corresponding to time cycle Q two critical points, if △ SOC are more than △
SOC 2, generated output U1=Um+ △ SOC* δ, δ are generating increment coefficient, and are kept for the current generated output U1 states t1 times,
If △ SOC are less than △ SOC3, generated output U2=Um+ △ the SOC* β, β of electricity generation system are generating decrement factor, and keep current
The generated output U2 state t2 times, if SOC value of battery is more than P in power generation process, electricity generation system is stopped, and waits start next time
Order；
Vehicle start accelerates,
Step 1：Judge whether vehicle is in starting boost phase, be, then it is no into step 2, then into step 3；
Step 2：Whether judge speed >=S1, be, then electricity generation system output default power Um, no, then electricity generation system output is maximum
Power Umax；
Step 3：Judge whether accelerator open degree >=1/3 and speed≤S2, be, then electricity generation system Maximum Power Output Umax, no, then
Into step 4；
Step 4：Whether judge brake aperture >=1/5, be, then electricity generation system output minimum power Umin, no, then electricity generation system is defeated
Go out default power Um.
2. the intelligent charge control method of the new energy car according to claim 1 with on-board charging system, its feature
It is, P=90%.
3. the intelligent charge control method of the new energy car according to claim 1 with on-board charging system, its feature
It is, S1=45km/h, S2=30km/h.
4. the intelligent charge control method of the new energy car according to claim 1 with on-board charging system, its feature
It is, time cycle Q is 3 minutes, n=5, m=4.
5. the intelligent charge control method of the new energy car according to claim 1 with on-board charging system, its feature
It is, t1 is 5 minutes, and t2 is 15 minutes.
6. the intelligent charge control method of the new energy car according to claim 1 with on-board charging system, its feature
It is, the criterion that vehicle is in the starting stage is：Parking brake induction of signal is put down to parking brake from being pulled up to, gear signal sensing
Forward is in gearbox, throttle signal senses that accelerator open degree is more than half, current vehicle speed 0.
7. the intelligent charge control method of the new energy car according to claim 1 with on-board charging system, its feature
It is, T1=45 DEG C of preset value.
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| CN103606715A (en) * | 2013-11-07 | 2014-02-26 | 东北电力大学 | Constant-amplitude impulse current charging method combining positive and negative pulses |
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| CN103879301A (en) * | 2014-04-02 | 2014-06-25 | 广东亿纬赛恩斯新能源系统有限公司 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103863082A (en) * | 2012-11-14 | 2014-06-18 | 通用汽车环球科技运作有限责任公司 | Hybrid vehicle with dynamically-allocated high-voltage electrical power |
| CN103606715A (en) * | 2013-11-07 | 2014-02-26 | 东北电力大学 | Constant-amplitude impulse current charging method combining positive and negative pulses |
| CN103879301A (en) * | 2014-04-02 | 2014-06-25 | 广东亿纬赛恩斯新能源系统有限公司 | Charging control method of extended range electric vehicle |
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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. |