CN108790876A - Method and device for adjusting feedback power of electric automobile and automobile - Google Patents
Method and device for adjusting feedback power of electric automobile and automobile Download PDFInfo
- Publication number
- CN108790876A CN108790876A CN201810576019.9A CN201810576019A CN108790876A CN 108790876 A CN108790876 A CN 108790876A CN 201810576019 A CN201810576019 A CN 201810576019A CN 108790876 A CN108790876 A CN 108790876A
- Authority
- CN
- China
- Prior art keywords
- feedback power
- electric vehicle
- proportionality coefficient
- vehicle
- timing
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000007600 charging Methods 0.000 claims abstract description 23
- 230000008569 process Effects 0.000 claims abstract description 21
- 230000009467 reduction Effects 0.000 claims abstract description 7
- 239000000178 monomer Substances 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 230000000717 retained effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a method and a device for adjusting feedback power of an electric automobile and the automobile, wherein the method for adjusting the feedback power of the electric automobile comprises the following steps: detecting the highest voltage of the single battery pack in real time; starting timing and accumulating the discharge capacity of the whole vehicle when the highest voltage of the single body is detected to be greater than the charging limit voltage; and adjusting the current available feedback power of the electric automobile according to the timed time and the accumulated discharge amount of the whole automobile. According to the embodiment of the invention, the highest voltage of the single body in the battery system is detected, the available feedback power of the whole vehicle is dynamically reduced and improved according to the state of the battery at each moment, the reduction and improvement process is linear, step jump does not occur, a certain feedback power is reserved for a user on the premise of ensuring the driving smoothness, and the problem of overcharge of the battery is also solved.
Description
Technical field
The present invention relates to electric vehicle engineering field more particularly to a kind of method of adjustment of electric vehicle feedback power, dresses
It sets and automobile.
Background technology
In new energy pure electric automobile, at vehicle when damped condition, power motor can be operated in power generation shape
State recycles in vehicle kinetic energy to power battery, to improve energy utilization efficiency, improve continual mileage.But in power battery
Full power state or highly charged state (State of Charge, abbreviation SOC) stage need to protect power battery, cannot allow electricity
Machine is recycled under damped condition in excessive energy to power battery, otherwise can be led to overcharging for power battery, be caused battery
Life time decay, and will produce security risk.
It is 0kw that high SOC segment protection methods most widely used at present, which are in high SOC sections of feedback power, that is, forbids energy regenerating.
With the operation of vehicle and the consumption of electricity, feedback power is stepped up.
Invention content
In order to solve the above technical problem, the present invention provides a kind of method of adjustment of electric vehicle feedback power, devices
And automobile, it solves in power battery full power state or high SOC stages, motor recycles excessive energy under damped condition to be caused
The problem of power battery overcharges.
One side according to the present invention provides a kind of method of adjustment of electric vehicle feedback power, including：
The monomer ceiling voltage of detection battery pack in real time；
Start timing and accumulative vehicle discharge capacity when detecting that the monomer ceiling voltage is more than charging limitation voltage；
According to the time of timing and accumulative vehicle discharge capacity, the current available feedback power of adjustment electric vehicle.
Optionally, according to the time of timing and accumulative vehicle discharge capacity, the current available feedback of adjustment electric vehicle
The step of power includes：
The time of the timing is converted into the first proportionality coefficient；
The accumulative vehicle discharge capacity is converted into the second proportionality coefficient；
The regulation coefficient of feedback power is calculated according to first proportionality coefficient and second proportionality coefficient；
The current available feedback power of electric vehicle is calculated according to the regulation coefficient of the feedback power.
Optionally, the step of time of the timing being converted to the first proportionality coefficient include：
Pass through formula：K1=T1/T2First proportionality coefficient is calculated；
Wherein, K1For the first proportionality coefficient, T1For the time of the timing, T2For time constant.
Optionally, the step of accumulative vehicle discharge capacity being converted to the second proportionality coefficient include：
Pass through formula：K2=Q1/Q2Second proportionality coefficient is calculated；
Wherein, K2For the second proportionality coefficient, Q1For the accumulative vehicle discharge capacity, Q2For capacity constant.
Optionally, the step of current available feedback power of electric vehicle being calculated according to the regulation coefficient of the feedback power
Including：
Pass through formula：P=K × PmaxThe current available feedback power of electric vehicle is calculated；
Wherein, P is the current available feedback power of electric vehicle, and K is the regulation coefficient of feedback power, wherein K=K1+
K2, K1For the first proportionality coefficient, K2For the second proportionality coefficient, PmaxFor the current maximum feedback power of electric vehicle.
Optionally, when the available feedback power current to electric vehicle is adjusted, can use feedback power reduction and
The process of promotion linearizes, and step saltus step does not occur.
Other side according to the present invention provides a kind of adjusting apparatus of electric vehicle feedback power, including：
Detection module, the monomer ceiling voltage for detecting battery pack in real time；
Timing module, for starting timing when detecting that the monomer ceiling voltage is more than charging limitation voltage and adding up
Vehicle discharge capacity；
Control module, for according to timing time and accumulative vehicle discharge capacity, adjustment electric vehicle it is current can
Use feedback power.
Optionally, the control module includes：
First converting unit, for the time of the timing to be converted to the first proportionality coefficient；
Second converting unit, for the accumulative vehicle discharge capacity to be converted to the second proportionality coefficient；
First computing unit, for calculating feedback power according to first proportionality coefficient and second proportionality coefficient
Regulation coefficient；
Second computing unit, for calculating the current available feedback of electric vehicle according to the regulation coefficient of the feedback power
Power.
Optionally, first converting unit is specifically used for：
Pass through formula：K1=T1/T2First proportionality coefficient is calculated；
Wherein, K1For the first proportionality coefficient, T1For the time of the timing, T2For time constant.
Optionally, second converting unit is specifically used for：
Pass through formula：K2=Q1/Q2Second proportionality coefficient is calculated；
Wherein, K2For the second proportionality coefficient, Q1For the accumulative vehicle discharge capacity, Q2For capacity constant.
Optionally, second computing unit is specifically used for：
Pass through formula：P=K × PmaxThe current available feedback power of electric vehicle is calculated；
Wherein, P is the current available feedback power of electric vehicle, and K is the regulation coefficient of feedback power, wherein K=K1+
K2, K1For the first proportionality coefficient, K2For the second proportionality coefficient, PmaxFor the current maximum feedback power of electric vehicle.
Optionally, when the available feedback power current to electric vehicle is adjusted, can use feedback power reduction and
The process of promotion linearizes, and step saltus step does not occur.
Another aspect according to the present invention provides a kind of automobile, includes the tune of above-mentioned electric vehicle feedback power
Engagement positions.
The advantageous effect of the embodiment of the present invention is：
The method of adjustment of electric vehicle feedback power in said program, by detecting the monomer highest electricity in battery system
Pressure, according to the state at battery each moment, feedback power, and the process for reducing and being promoted can be used by dynamically reducing and promoted vehicle
Linearisation, step saltus step does not occur, and under the premise of the ride comfort for ensureing to drive, certain feedback power is both retained for user,
The problem of protection battery will not overcharge again.
Description of the drawings
Fig. 1 shows the flow charts of the method for adjustment of the electric vehicle feedback power of the embodiment of the present invention；
The idiographic flow schematic diagram of step 13 in Fig. 1 of Fig. 2 expression embodiment of the present invention；
Fig. 3 indicates the structure diagram of the adjusting apparatus of the electric vehicle feedback power of the embodiment of the present invention；
The concrete structure block diagram of control module in Fig. 3 of Fig. 4 expression embodiment of the present invention.
Specific implementation mode
Exemplary embodiment of the present invention is more fully described below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to be best understood from the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
Completely it is communicated to those skilled in the art.
As shown in Figure 1, the embodiment provides a kind of methods of adjustment of electric vehicle feedback power, including：
The monomer ceiling voltage of step 11, in real time detection battery pack；
In the embodiment, power battery monomer all can there are one highest chargings to limit voltage and an overvoltage protection
Voltage is not allow more than overvoltage protection voltage in vehicle operational process, i.e., charging limitation voltage is less than overvoltage protection voltage.
The program can detect the monomer highest of battery pack using charging limitation voltage as a threshold value by the battery management system moment
Voltage.In vehicle regeneration processes, when detecting that the monomer ceiling voltage of battery pack is more than charging limitation voltage, then timing is controlled
Device starts accumulative timing, and battery management system starts simultaneously at the discharge capacity of accumulative vehicle.
Step 12 starts timing and adds up vehicle to put when detecting the monomer ceiling voltage more than charging limitation voltage
Electricity；
In the embodiment, detect that the monomer ceiling voltage of battery pack is more than charging limitation voltage in battery management system
When, then it controls timer and starts accumulative timing, and battery management system starts simultaneously at the discharge capacity of accumulative vehicle.Wherein, in vehicle
In regeneration processes, when detecting that the monomer ceiling voltage of battery pack is more than charging limitation voltage, it is believed that power battery is full electricity
State or high SOC stages, need at this time to power battery protect, avoid motor recycled under damped condition excessive energy to move
In power battery, so as to cause overcharging for power battery.
Step 13, the time according to timing and accumulative vehicle discharge capacity, the current available feedback of adjustment electric vehicle
Power.
In the embodiment, using charging limitation voltage as a threshold value, the battery management system moment detects the list of battery pack
Body ceiling voltage once the monomer ceiling voltage of battery pack is more than charging limitation voltage, then controls meter in vehicle regeneration processes
When device start accumulative timing, and battery management system adds up vehicle discharge capacity.Then by preset algorithm by the time of timing
The first proportionality coefficient is converted to, and accumulative discharge capacity is converted into the second proportionality coefficient, utilizes the first proportionality coefficient and second
The regulation coefficient that proportionality coefficient obtains removes the maximum feedback power for being multiplied by current time, wherein the maximum feedback work(at current time
Rate is the constant that experiment measures, and the maximum feedback power at current time becomes according to the variation of the parameters such as temperature, SOC
Change.It is worth noting that when the available feedback power current to electric vehicle is adjusted, can use feedback power reduction and
The process of promotion linearizes, and step saltus step does not occur.
The program is used as using the monomer ceiling voltage and accumulative vehicle discharge capacity of battery pack with reference to measuring, by certain
Algorithm dynamically reduces and is promoted the process linearisation that vehicle can use feedback power, and reduce and be promoted, step jump does not occur
Become, under the premise of the ride comfort for ensureing to drive, certain feedback power is not only retained for user, but also protection battery will not occur
The problem of filling.
As shown in Fig. 2, step 13 includes：
The time of the timing is converted to the first proportionality coefficient by step 131；
Specifically, the step 131 specifically includes：
Pass through formula：K1=T1/T2First proportionality coefficient is calculated；
Wherein, K1For the first proportionality coefficient, T1For the time of the timing, T2For time constant.
In the embodiment, T1To add up the time of timing, T2For according to battery behavior calibrate come time constant, pass through
T1/T2Obtain the first Proportional coefficient K1, wherein K1Limit ranging from 0~1.
The accumulative vehicle discharge capacity is converted to the second proportionality coefficient by step 132；
Specifically, the step 132 specifically includes：
Pass through formula：K2=Q1/Q2Second proportionality coefficient is calculated；
Wherein, K2For the second proportionality coefficient, Q1For the accumulative vehicle discharge capacity, Q2For capacity constant.
In the embodiment, Q1For accumulative vehicle discharge capacity, Q2For according to battery behavior calibrate come time constant, lead to
Cross Q1/Q2Obtain the second Proportional coefficient K2, wherein K2Limit ranging from 0~1.
Step 133, the regulation coefficient that feedback power is calculated according to first proportionality coefficient and second proportionality coefficient；
In the embodiment, the first Proportional coefficient K is utilized1With the second Proportional coefficient K2And obtain an overall coefficient, as return
Present the regulation coefficient of power, wherein the regulation coefficient of the feedback power limits ranging from 0~1.
Step 134 calculates the current available feedback power of electric vehicle according to the regulation coefficient of the feedback power.
Specifically, step 134 specifically includes：
Pass through formula：P=K × PmaxThe current available feedback power of electric vehicle is calculated；
Wherein, P is the current available feedback power of electric vehicle, and K is the regulation coefficient of feedback power, wherein K=K1+
K2, K1For the first proportionality coefficient, K2For the second proportionality coefficient, PmaxFor the current maximum feedback power of electric vehicle.
In the embodiment, the regulation coefficient of calculated feedback power is multiplied by the current available feedback of electric vehicle
Power realizes the Serial regulation that can use vehicle feedback power.Wherein, PmaxTo be measured for experiment, and PmaxAccording to temperature,
The variation of the parameters such as SOC and change, in this scenario, PmaxA constant can be regarded as.
The program is in power battery full power state or high SOC stages, using the monomer ceiling voltage of battery pack and accumulative
Discharge capacity is used as with reference to measuring, and the algorithm of proportionality coefficient is respectively converted into according to monomer ceiling voltage and accumulative vehicle discharge capacity,
The process linearisation that vehicle can use feedback power, and reduce and be promoted dynamically is reduced and promoted, step saltus step does not occur, is protecting
Under the premise of demonstrate,proving the ride comfort driven, not only retained certain feedback power (vehicle electric braking) for user, but also protection battery will not
The problem of overcharging.
As shown in figure 3, the embodiment provides a kind of adjusting apparatus of electric vehicle feedback power, including：
Detection module 31, the monomer ceiling voltage for detecting battery pack in real time；
In the embodiment, power battery monomer all can there are one highest chargings to limit voltage and an overvoltage protection
Voltage is not allow more than overvoltage protection voltage in vehicle operational process, i.e., charging limitation voltage is less than overvoltage protection voltage.
The program can detect the monomer highest of battery pack using charging limitation voltage as a threshold value by the battery management system moment
Voltage.In vehicle regeneration processes, when detecting that the monomer ceiling voltage of battery pack is more than charging limitation voltage, then timing is controlled
Device starts accumulative timing, and battery management system starts simultaneously at the discharge capacity of accumulative vehicle.
Timing module 32, for starting timing when detecting that the monomer ceiling voltage is more than charging limitation voltage and tiring out
Count vehicle discharge capacity；
In the embodiment, detect that the monomer ceiling voltage of battery pack is more than charging limitation voltage in battery management system
When, then it controls timer and starts accumulative timing, and battery management system starts simultaneously at the discharge capacity of accumulative vehicle.Wherein, in vehicle
In regeneration processes, when detecting that the monomer ceiling voltage of battery pack is more than charging limitation voltage, it is believed that power battery is full electricity
State or high SOC stages, need at this time to power battery protect, avoid motor recycled under damped condition excessive energy to move
In power battery, so as to cause overcharging for power battery.
Control module 33, for according to timing time and accumulative vehicle discharge capacity, adjustment electric vehicle it is current
Feedback power can be used.
In the embodiment, using charging limitation voltage as a threshold value, the battery management system moment detects the list of battery pack
Body ceiling voltage once the monomer ceiling voltage of battery pack is more than charging limitation voltage, then controls meter in vehicle regeneration processes
When device start accumulative timing, and battery management system adds up vehicle discharge capacity.Then by preset algorithm by the time of timing
The first proportionality coefficient is converted to, and accumulative discharge capacity is converted into the second proportionality coefficient, utilizes the first proportionality coefficient and second
The regulation coefficient that proportionality coefficient obtains removes the maximum feedback power for being multiplied by current time, wherein the maximum feedback work(at current time
Rate is the constant that experiment measures, and the maximum feedback power at current time becomes according to the variation of the parameters such as temperature, SOC
Change.It is worth noting that when the available feedback power current to electric vehicle is adjusted, can use feedback power reduction and
The process of promotion linearizes, and step saltus step does not occur.
The program is used as using the monomer ceiling voltage and accumulative vehicle discharge capacity of battery pack with reference to measuring, by certain
Algorithm dynamically reduces and is promoted the process linearisation that vehicle can use feedback power, and reduce and be promoted, step jump does not occur
Become, under the premise of the ride comfort for ensureing to drive, certain feedback power is not only retained for user, but also protection battery will not occur
The problem of filling.
As shown in figure 4, the control module 33 includes：
First converting unit 331, for the time of the timing to be converted to the first proportionality coefficient；
Specifically, first converting unit 331 is specifically used for：
Pass through formula：K1=T1/T2First proportionality coefficient is calculated；
Wherein, K1For the first proportionality coefficient, T1For the time of the timing, T2For time constant.
In the embodiment, T1To add up the time of timing, T2For according to battery behavior calibrate come time constant, pass through
T1/T2Obtain the first Proportional coefficient K1, wherein K1Limit ranging from 0~1.
Second converting unit 332, for the accumulative vehicle discharge capacity to be converted to the second proportionality coefficient；
Specifically, second converting unit 332 is specifically used for：
Pass through formula：K2=Q1/Q2Second proportionality coefficient is calculated；
Wherein, K2For the second proportionality coefficient, Q1For the accumulative vehicle discharge capacity, Q2For capacity constant.
In the embodiment, Q1For accumulative vehicle discharge capacity, Q2For according to battery behavior calibrate come time constant, lead to
Cross Q1/Q2Obtain the second Proportional coefficient K2, wherein K2Limit ranging from 0~1.
First computing unit 333, for calculating feedback work(according to first proportionality coefficient and second proportionality coefficient
The regulation coefficient of rate；
In the embodiment, the first Proportional coefficient K is utilized1With the second Proportional coefficient K2And obtain an overall coefficient, as return
Present the regulation coefficient of power, wherein the regulation coefficient of the feedback power limits ranging from 0~1.
Second computing unit 334, for being calculated according to the regulation coefficient of the feedback power, electric vehicle is current to be can be used
Feedback power.
Specifically, second computing unit 334 is specifically used for：
Pass through formula：P=K × PmaxThe current available feedback power of electric vehicle is calculated；
Wherein, P is the current available feedback power of electric vehicle, and K is the regulation coefficient of feedback power, wherein K=K1+
K2, K1For the first proportionality coefficient, K2For the second proportionality coefficient, PmaxFor the current maximum feedback power of electric vehicle.
In the embodiment, the regulation coefficient of calculated feedback power is multiplied by the current available feedback of electric vehicle
Power realizes the Serial regulation that can use vehicle feedback power.Wherein, PmaxTo be measured for experiment, and PmaxAccording to temperature,
The variation of the parameters such as SOC and change, in this scenario, PmaxA constant can be regarded as.
The program is in power battery full power state or high SOC stages, using the monomer ceiling voltage of battery pack and accumulative
Discharge capacity is used as with reference to measuring, and the algorithm of proportionality coefficient is respectively converted into according to monomer ceiling voltage and accumulative vehicle discharge capacity,
The process linearisation that vehicle can use feedback power, and reduce and be promoted dynamically is reduced and promoted, step saltus step does not occur, is protecting
Under the premise of demonstrate,proving the ride comfort driven, not only retained certain feedback power (vehicle electric braking) for user, but also protection battery will not
The problem of overcharging.
It should be noted that the device is device corresponding with above-mentioned individual recommendation method, institute in above method embodiment
There is realization method suitable for the embodiment of the device, can also reach identical technique effect.
The embodiments of the present invention also provide a kind of automobiles, include the adjusting apparatus of above-mentioned electric vehicle feedback power.
Embodiment of the present invention, by detecting the monomer ceiling voltage in battery system, according to battery each moment
State dynamically reduces and is promoted the process linearisation that vehicle can use feedback power, and reduce and be promoted, step jump does not occur
Become, under the premise of the ride comfort for ensureing to drive, certain feedback power is not only retained for user, but also protection battery will not occur
The problem of filling.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (13)
1. a kind of method of adjustment of electric vehicle feedback power, which is characterized in that including：
The monomer ceiling voltage of detection battery pack in real time；
Start timing and accumulative vehicle discharge capacity when detecting that the monomer ceiling voltage is more than charging limitation voltage；
According to the time of timing and accumulative vehicle discharge capacity, the current available feedback power of adjustment electric vehicle.
2. the method for adjustment of electric vehicle feedback power according to claim 1, which is characterized in that according to the time of timing
And accumulative vehicle discharge capacity, the step of adjustment electric vehicle current available feedback power, include：
The time of the timing is converted into the first proportionality coefficient；
The accumulative vehicle discharge capacity is converted into the second proportionality coefficient；
The regulation coefficient of feedback power is calculated according to first proportionality coefficient and second proportionality coefficient；
The current available feedback power of electric vehicle is calculated according to the regulation coefficient of the feedback power.
3. the method for adjustment of electric vehicle feedback power according to claim 2, which is characterized in that by the timing when
Between the step of being converted to the first proportionality coefficient include：
Pass through formula：K1=T1/T2First proportionality coefficient is calculated；
Wherein, K1For the first proportionality coefficient, T1For the time of the timing, T2For time constant.
4. the method for adjustment of electric vehicle feedback power according to claim 2, which is characterized in that will be described accumulative whole
The step of vehicle discharge capacity is converted to the second proportionality coefficient include：
Pass through formula：K2=Q1/Q2Second proportionality coefficient is calculated；
Wherein, K2For the second proportionality coefficient, Q1For the accumulative vehicle discharge capacity, Q2For capacity constant.
5. the method for adjustment of electric vehicle feedback power according to claim 2, which is characterized in that according to the feedback work(
The regulation coefficient of rate calculates the step of electric vehicle current available feedback power and includes：
Pass through formula：P=K × PmaxThe current available feedback power of electric vehicle is calculated；
Wherein, P is the current available feedback power of electric vehicle, and K is the regulation coefficient of feedback power, wherein K=K1+K2, K1
For the first proportionality coefficient, K2For the second proportionality coefficient, PmaxFor the current maximum feedback power of electric vehicle.
6. the method for adjustment of electric vehicle feedback power according to claim 1, which is characterized in that work as to electric vehicle
When preceding available feedback power is adjusted, the process linearisation of reduction and the promotion of feedback power can be used, and step does not occur
Saltus step.
7. a kind of adjusting apparatus of electric vehicle feedback power, which is characterized in that including：
Detection module, the monomer ceiling voltage for detecting battery pack in real time；
Timing module, for starting timing and accumulative vehicle when detecting that the monomer ceiling voltage is more than charging limitation voltage
Discharge capacity；
Control module is used for the time according to timing and accumulative vehicle discharge capacity, and adjustment electric vehicle is current to be can be used back
Present power.
8. the adjusting apparatus of electric vehicle feedback power according to claim 7, which is characterized in that the control module packet
It includes：
First converting unit, for the time of the timing to be converted to the first proportionality coefficient；
Second converting unit, for the accumulative vehicle discharge capacity to be converted to the second proportionality coefficient；
First computing unit, the adjustment for calculating feedback power according to first proportionality coefficient and second proportionality coefficient
Coefficient；
Second computing unit, for calculating the current available feedback work(of electric vehicle according to the regulation coefficient of the feedback power
Rate.
9. the adjusting apparatus of electric vehicle feedback power according to claim 8, which is characterized in that first conversion is single
Member is specifically used for：
Pass through formula：K1=T1/T2First proportionality coefficient is calculated；
Wherein, K1For the first proportionality coefficient, T1For the time of the timing, T2For time constant.
10. the adjusting apparatus of electric vehicle feedback power according to claim 8, which is characterized in that second conversion
Unit is specifically used for：
Pass through formula：K2=Q1/Q2Second proportionality coefficient is calculated；
Wherein, K2For the second proportionality coefficient, Q1For the accumulative vehicle discharge capacity, Q2For capacity constant.
11. the adjusting apparatus of electric vehicle feedback power according to claim 8, which is characterized in that described second calculates
Unit is specifically used for：
Pass through formula：P=K × PmaxThe current available feedback power of electric vehicle is calculated；
Wherein, P is the current available feedback power of electric vehicle, and K is the regulation coefficient of feedback power, wherein K=K1+K2, K1
For the first proportionality coefficient, K2For the second proportionality coefficient, PmaxFor the current maximum feedback power of electric vehicle.
12. the adjusting apparatus of electric vehicle feedback power according to claim 7, which is characterized in that electric vehicle
When current available feedback power is adjusted, the process linearisation of reduction and the promotion of feedback power can be used, and rank does not occur
Jump saltus step.
13. a kind of automobile, which is characterized in that including the electric vehicle feedback power described in any one of claim 7~12
Adjusting apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576019.9A CN108790876B (en) | 2018-06-06 | 2018-06-06 | Method and device for adjusting feedback power of electric automobile and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810576019.9A CN108790876B (en) | 2018-06-06 | 2018-06-06 | Method and device for adjusting feedback power of electric automobile and automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108790876A true CN108790876A (en) | 2018-11-13 |
| CN108790876B CN108790876B (en) | 2020-08-04 |
Family
ID=64087300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810576019.9A Active CN108790876B (en) | 2018-06-06 | 2018-06-06 | Method and device for adjusting feedback power of electric automobile and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108790876B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370786A (en) * | 2020-01-06 | 2020-07-03 | 广州小鹏汽车科技有限公司 | Method and device for adjusting allowable power of power battery, vehicle and storage medium |
| CN112440822A (en) * | 2019-08-27 | 2021-03-05 | 北京新能源汽车股份有限公司 | Method and device for determining feedback power of electric automobile and electric automobile |
| CN112737000A (en) * | 2020-12-02 | 2021-04-30 | 浙江吉利控股集团有限公司 | Control method and device for overvoltage fault of battery system |
| CN113401003A (en) * | 2020-03-16 | 2021-09-17 | 北京新能源汽车股份有限公司 | Method and device for adjusting battery energy feedback power of electric automobile and electric automobile |
| CN114030357A (en) * | 2021-07-14 | 2022-02-11 | 山西赛坦科技有限公司 | Control device and control method for preventing BMS (battery management system) recharging overcurrent |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5684383A (en) * | 1995-09-19 | 1997-11-04 | Nissan Motor Co., Ltd. | Regenerative charge control system estimating allowable regenerative power |
| JP2002223501A (en) * | 2001-01-25 | 2002-08-09 | Toyota Motor Corp | Charging controller |
| JP2003338324A (en) * | 2002-05-21 | 2003-11-28 | Toyota Motor Corp | Charge control device and discharge control device for secondary battery, and charge control method and discharge control device for secondary battery |
| JP2007151304A (en) * | 2005-11-28 | 2007-06-14 | Mazda Motor Corp | Controller for vehicle generator |
| CN103890435A (en) * | 2011-10-21 | 2014-06-25 | 丰田自动车株式会社 | Vehicle control device |
| CN104124724A (en) * | 2013-04-28 | 2014-10-29 | 株式会社日立制作所 | Charging control apparatus and method thereof |
| CN104393636A (en) * | 2014-11-07 | 2015-03-04 | 惠州市亿能电子有限公司 | Battery system usable charge or discharge power estimating method |
| CN104477040A (en) * | 2014-11-18 | 2015-04-01 | 浙江工业大学之江学院 | Single-energy-source electro-mobile variable-current regenerative braking control method |
| CN104512261A (en) * | 2013-10-07 | 2015-04-15 | 现代自动车株式会社 | System and method for estimating allowable regenerative braking of vehicle |
| CN105083270A (en) * | 2014-05-20 | 2015-11-25 | 现代自动车株式会社 | Method and apparatus for controlling regenerative braking of vehicle |
| CN106257737A (en) * | 2015-06-17 | 2016-12-28 | 株式会社杰士汤浅国际 | Condition estimating device and method for estimating state |
| CN106970332A (en) * | 2017-05-04 | 2017-07-21 | 成都雅骏新能源汽车科技股份有限公司 | Charging SOC modification methods based on feedback adaptively |
-
2018
- 2018-06-06 CN CN201810576019.9A patent/CN108790876B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5684383A (en) * | 1995-09-19 | 1997-11-04 | Nissan Motor Co., Ltd. | Regenerative charge control system estimating allowable regenerative power |
| JP2002223501A (en) * | 2001-01-25 | 2002-08-09 | Toyota Motor Corp | Charging controller |
| JP2003338324A (en) * | 2002-05-21 | 2003-11-28 | Toyota Motor Corp | Charge control device and discharge control device for secondary battery, and charge control method and discharge control device for secondary battery |
| JP2007151304A (en) * | 2005-11-28 | 2007-06-14 | Mazda Motor Corp | Controller for vehicle generator |
| CN103890435A (en) * | 2011-10-21 | 2014-06-25 | 丰田自动车株式会社 | Vehicle control device |
| CN104124724A (en) * | 2013-04-28 | 2014-10-29 | 株式会社日立制作所 | Charging control apparatus and method thereof |
| CN104512261A (en) * | 2013-10-07 | 2015-04-15 | 现代自动车株式会社 | System and method for estimating allowable regenerative braking of vehicle |
| CN105083270A (en) * | 2014-05-20 | 2015-11-25 | 现代自动车株式会社 | Method and apparatus for controlling regenerative braking of vehicle |
| CN104393636A (en) * | 2014-11-07 | 2015-03-04 | 惠州市亿能电子有限公司 | Battery system usable charge or discharge power estimating method |
| CN104477040A (en) * | 2014-11-18 | 2015-04-01 | 浙江工业大学之江学院 | Single-energy-source electro-mobile variable-current regenerative braking control method |
| CN106257737A (en) * | 2015-06-17 | 2016-12-28 | 株式会社杰士汤浅国际 | Condition estimating device and method for estimating state |
| CN106970332A (en) * | 2017-05-04 | 2017-07-21 | 成都雅骏新能源汽车科技股份有限公司 | Charging SOC modification methods based on feedback adaptively |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440822A (en) * | 2019-08-27 | 2021-03-05 | 北京新能源汽车股份有限公司 | Method and device for determining feedback power of electric automobile and electric automobile |
| CN111370786A (en) * | 2020-01-06 | 2020-07-03 | 广州小鹏汽车科技有限公司 | Method and device for adjusting allowable power of power battery, vehicle and storage medium |
| CN113401003A (en) * | 2020-03-16 | 2021-09-17 | 北京新能源汽车股份有限公司 | Method and device for adjusting battery energy feedback power of electric automobile and electric automobile |
| CN113401003B (en) * | 2020-03-16 | 2023-12-05 | 北京新能源汽车股份有限公司 | Electric automobile battery energy feedback power adjusting method and device and electric automobile |
| CN112737000A (en) * | 2020-12-02 | 2021-04-30 | 浙江吉利控股集团有限公司 | Control method and device for overvoltage fault of battery system |
| CN114030357A (en) * | 2021-07-14 | 2022-02-11 | 山西赛坦科技有限公司 | Control device and control method for preventing BMS (battery management system) recharging overcurrent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108790876B (en) | 2020-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108790876A (en) | Method and device for adjusting feedback power of electric automobile and automobile | |
| CN106004473B (en) | Electric vehicle and its control method | |
| CN105745116B (en) | The accumulating system of electric car | |
| JP6270009B2 (en) | Vehicle power control device | |
| CN102859836B (en) | The charge control method of secondary cell and control device | |
| US7657438B2 (en) | Method for controlling vehicular electric system | |
| CN101542306B (en) | Accumulator failure detecting device, accumulator failure detecting method | |
| JP5268853B2 (en) | Hybrid cruise control system | |
| JP6088543B2 (en) | Power storage device and charging method thereof | |
| JP2002369391A (en) | Method and device for controlling residual capacity of secondary battery | |
| JP5720538B2 (en) | Storage device control device | |
| CN103683377B (en) | Power brick balancer | |
| CN107215239A (en) | A kind of batteries of electric automobile charge-discharge electric power guard method and system | |
| CN108336431A (en) | Charging control method, device and system of battery module | |
| CN106786980A (en) | A kind of electronic equipment and the charge control method based on electronic equipment | |
| CN102208699A (en) | Quick pulse charge method with negative pulse discharge | |
| US20140052318A1 (en) | Vehicle controller and hybrid vehicle | |
| US9956888B2 (en) | Power supply system | |
| JPWO2019016998A1 (en) | Storage battery system charge control device, storage battery system and storage battery charge control method | |
| CN106100477A (en) | Automobile current generator control method and device | |
| JP2010140762A (en) | Determination device for determining lithium ion battery state | |
| CN100385768C (en) | Capacity adjustment apparatus for battery pack and capacity adjustment method for battery pack | |
| CN109474039A (en) | Direct current converter DCDC voltage regulation control method, device, equipment and automobile | |
| CN110466388B (en) | Energy management method for composite energy storage electric automobile | |
| CN111433967B (en) | Secondary battery system and control method for secondary battery |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |