CN109808675A - A kind of hybrid electric vehicle electric quantity control method, device and entire car controller - Google Patents
A kind of hybrid electric vehicle electric quantity control method, device and entire car controller Download PDFInfo
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Abstract
The present invention provides a kind of hybrid electric vehicle electric quantity control method, device and entire car controller, which is applied to entire car controller, comprising: receives the electricity control instruction for carrying the pure electric mileage value of target segment；Judge whether the pure electric mileage value of target segment is null value；If so, determining current power system effectiveness optimal value, and electricity control is carried out to power battery by current power system effectiveness optimal value；If it is not, determining target power battery capacity value according to the pure electric mileage value of target segment, and electricity control is carried out to power battery according to target power battery capacity value.Based on method disclosed by the invention, after driver is to driving task segmentation, it can will be segmented pure electric mileage and be scaled institute's electricity demand, to realize the pure electric mileage stepwise adjustable of entire driving task or be continuously adjusted, that improves pure electric mileage estimates accuracy, energy loss is reduced, to reduce energy consumption.
Description
Technical field
The present invention relates to Development of HEV Technology fields, more specifically to a kind of hybrid electric vehicle electric quantity control
Method, apparatus processed and entire car controller.
Background technique
Currently, hybrid electric vehicle electric quantity management mode mainly have " forced charge ", " electricity holding " and " intelligent mode/
Three kinds of Auto mode ", wherein " forced charge " refers to improving power battery current electric quantity to target by lasting charging
Value, " electricity holding " refers to maintaining power battery current electric quantity by lasting charging, and " intelligent mode/Auto mode " is then
It is optimal according to vehicle dynamical system efficiency, that is, engine power generation efficiency highest, electricity control is carried out to power battery.
Since driver can only select managing electric quantity mode according to power battery current electric quantity shown in instrument, this
It just needs driver to estimate before selecting managing electric quantity mode to the pure electric mileage of entire driving task, and once estimates
Inaccuracy be easy to cause energy loss, to increase oil consumption.
Summary of the invention
In view of this, the present invention provides a kind of hybrid electric vehicle electric quantity control method, device and entire car controller, with solution
The problem of certainly estimating inaccuracy due to pure electric mileage of the driver to entire driving task, be easy to cause energy loss.Technical side
Case is as follows:
A kind of hybrid electric vehicle electric quantity control method is applied to entire car controller, comprising:
Receive the electricity control instruction for carrying the pure electric mileage value of target segment；
Judge whether the pure electric mileage value of the target segment is null value；
If so, determining current vehicle dynamical system efficiency optimal value, and most according to the current vehicle dynamical system efficiency
The figure of merit carries out electricity control to power battery；
If it is not, determining target power battery capacity value according to the pure electric mileage value of the target segment, and according to the target
Power battery charge value carries out electricity control to power battery.
Preferably, further includes:
The pure electric mileage value of the target segment is sent to instrument to show.
It is preferably, described that target power battery capacity value is determined according to the pure electric mileage value of the target segment, comprising:
According to the mapping relations of pre-set target segment pure electric mileage and target power battery capacity, the mesh is determined
Target power battery capacity value corresponding to the pure electric mileage value of mark segmentation；
It is described that electricity control is carried out to power battery according to the target power battery capacity value, comprising:
According to the target power battery capacity value and default electricity allowable error range, target power battery capacity is determined
Allowed band；
Acquisition power battery voltage value in real time, and judge the power battery voltage value whether in the target
In power battery electricity allowed band；
If it is not, being charged according to the target power battery capacity allowed band to power battery, and returns and execute institute
Acquisition power battery voltage value in real time is stated, the step for.
A kind of hybrid electric vehicle electric quantity control device, comprising: receiving module, judgment module, the first electricity control module
With the second electricity control module；
The receiving module, for receiving the electricity control instruction for carrying the pure electric mileage value of target segment；
The judgment module, for judging whether the pure electric mileage value of the target segment is null value；If so, described in triggering
First electricity control module；If it is not, then triggering the second electricity control module；
The first electricity control module for determining current vehicle dynamical system efficiency optimal value, and is worked as according to described
Preceding vehicle dynamical system efficiency optimal value carries out electricity control to power battery；
The second electricity control module, for determining target power battery electricity according to the pure electric mileage value of the target segment
Magnitude, and electricity control is carried out to power battery according to the target power battery capacity value.
Preferably, further includes: sending module；
The sending module is shown for the pure electric mileage value of the target segment to be sent to instrument.
Preferably, for determining described the second of target power battery capacity value according to the pure electric mileage value of the target segment
Electricity control module, is specifically used for:
According to the mapping relations of pre-set target segment pure electric mileage and target power battery capacity, the mesh is determined
Target power battery capacity value corresponding to the pure electric mileage value of mark segmentation；
For the second electricity control of electricity control to be carried out to power battery according to the target power battery capacity value
Molding block, is specifically used for:
According to the target power battery capacity value and default electricity allowable error range, target power battery capacity is determined
Allowed band；
Acquisition power battery voltage value in real time, and judge the power battery voltage value whether in the target
In power battery electricity allowed band；
If it is not, being charged according to the target power battery capacity allowed band to power battery, and returns and execute institute
Acquisition power battery voltage value in real time is stated, the step for.
A kind of entire car controller characterized by comprising processor and memory；
The memory, for storing operation sequence, code or the instruction of hybrid electric vehicle electric quantity control method；
The processor, for running the operation stored in the memory when carrying out hybrid electric vehicle electric quantity control
Program, code or instruction, wherein described program, code or instruction are used for:
Receive the electricity control instruction for carrying the pure electric mileage value of target segment；
Judge whether the pure electric mileage value of the target segment is null value；
If so, determining current vehicle dynamical system efficiency optimal value, and most according to the current vehicle dynamical system efficiency
The figure of merit carries out electricity control to power battery；
If it is not, determining target power battery capacity value according to the pure electric mileage value of the target segment, and according to the target
Power battery charge value carries out electricity control to power battery.
Compared to the prior art, what the present invention realized has the beneficial effect that
A kind of hybrid electric vehicle electric quantity control method, device and entire car controller provided by the invention above, this method
Applied to entire car controller, the entrained pure electric mileage value of target segment can be carried out when receiving electricity control instruction
Analysis；If null value, that is to say, that the pure electric mileage value of driver and uncertain this time control, then it is optimal according to vehicle efficiency
It carries out carrying out electricity control to power battery；If not null value, that is to say, that driver determines the pure electric mileage of this secondary control
Value, it is determined that target power battery capacity value corresponding to the pure electric mileage value of target segment, and then according to the target power battery
Charge value carries out electricity control to power battery.
Based on method disclosed by the invention, after driver is to driving task segmentation, it can will be segmented pure electric mileage and be scaled
Institute's electricity demand improves the pre- of pure electric mileage to realize the pure electric mileage stepwise adjustable or continuously adjustable of entire driving task
Estimate accuracy, energy loss is reduced, to reduce energy consumption.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the method flow diagram of hybrid electric vehicle electric quantity control method provided in an embodiment of the present invention；
Fig. 2 is the Part Methods flow chart of hybrid electric vehicle electric quantity control method provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of hybrid electric vehicle electric quantity control device provided in an embodiment of the present invention；
Fig. 4 is the another structural schematic diagram of hybrid electric vehicle electric quantity control device provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of entire car controller provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of hybrid electric vehicle electric quantity control method, and this method is applied to entire car controller,
Its method flow diagram is as shown in Figure 1, include the following steps:
S10 receives the electricity control instruction for carrying the pure electric mileage value of target segment；
During executing step S10, driver can be by the pure electric mileage of operation subsection setup, for example, by entirely driving
The task of sailing is divided into 5 sections, 20km, 30km, 40km and four sections of null value, " null value " here refer to driver and it is uncertain this time
The pure electric mileage value of electricity control, and the pure electric mileage value of " 20km ", " 30km " and " 40km " these three target segments is due to for really
Definite value, therefore not " null value ".
S20 judges whether the pure electric mileage value of target segment is null value；If so, thening follow the steps S30；If it is not, then executing step
Rapid S40；
S30 determines current vehicle dynamical system efficiency optimal value, and according to current vehicle dynamical system efficiency optimal value pair
Power battery carries out electricity control；
During executing step S30, vehicle dynamical system efficiency refers to diesel-electric overall efficiency, currently
Vehicle dynamical system efficiency optimal value is then present engine generating efficiency peak, with present engine generating efficiency highest
Value is to power battery charging, i.e. unlatching " intelligent charge " mode.
S40 determines target power battery capacity value according to the pure electric mileage value of target segment, and according to target power battery electricity
Magnitude carries out electricity control to power battery；
During executing step S40, since pure electric mileage is directly related with the electricity of power battery, setting
The essence for being segmented pure electric mileage is that power battery electricity is arranged, and therefore, can pass through the pure electric mileage of pre-set target segment
Target power battery capacity value corresponding to the pure electric mileage value of target segment is determined with the mapping relations of target power battery capacity,
And then electricity control is carried out to power battery according to target power battery capacity value, it is dynamic lower than target in power battery current electric quantity
When power battery capacity value, start engine to power battery charging, until reaching target power battery capacity value and maintaining.
During specific implementation, " electricity control is carried out to power battery according to target power battery capacity value in step S40
The process of system ", can specifically use following steps, method flow diagram is as shown in Figure 2:
S401 determines target power battery electricity according to target power battery capacity value and default electricity allowable error range
Measure allowed band；
During executing step S401, electricity allowable error range is preset are as follows: zero arrives default electricity allowable error most
Big value, then can calculate target power battery capacity according to following formula (1) allows maximum value:
A=a+b (1)
Wherein, A is that target power battery capacity allows maximum value, and a is target power battery capacity value, and b is default electricity
Allowable error maximum value；
Then target moves battery capacity allowed band are as follows: target power battery capacity value to target power battery capacity allows most
Big value.
S402 acquires power battery voltage value in real time, and judges whether power battery voltage value is dynamic in target
In power battery capacity allowed band；If it is not, thening follow the steps S403；
S403 charges to power battery according to target power battery capacity allowed band, and returns to step
S402；
It should be noted that if power battery voltage value is in target power battery capacity allowed band, then not
It charges to power battery, continues to execute step S402；
Above step S401~step S403 is only in step S40 that the embodiment of the present application discloses " according to target power
Battery capacity value to power battery carry out electricity control " process a kind of preferred implementation, the specific reality in relation to this process
Existing mode can be arbitrarily arranged according to their own needs, it is not limited here.
It should be noted hybrid electric vehicle electric quantity control method provided in an embodiment of the present invention, for convenient for driving
Member checks the pure electric mileage of selected target segment, also the pure electric mileage value of target segment can be sent to instrument and shown.
Hybrid electric vehicle electric quantity control method provided in an embodiment of the present invention, after driver is to driving task segmentation,
It can will be segmented pure electric mileage and be scaled institute's electricity demand, to realize the pure electric mileage stepwise adjustable or continuous of entire driving task
Adjustable, that improves pure electric mileage estimates accuracy, energy loss is reduced, to reduce energy consumption.
The hybrid electric vehicle electric quantity control method provided based on the above embodiment, the embodiment of the present invention then hold by corresponding provide
The device of the above-mentioned hybrid electric vehicle electric quantity control method of row, structural schematic diagram are as shown in Figure 3, comprising: receiving module 10 is sentenced
Disconnected module 20, the first electricity control module 30 and the second electricity control module 40；
Receiving module 10, for receiving the electricity control instruction for carrying the pure electric mileage value of target segment；
Judgment module 20, for judging whether the pure electric mileage value of target segment is null value；If so, the first determination of triggering is filled
Electric module 30；If it is not, then triggering second determines charging module 40；
First electricity control module 30, for determining current vehicle dynamical system efficiency optimal value, and according to described current
Vehicle dynamical system efficiency optimal value carries out electricity control to power battery；
Second electricity control module 40, for determining target power battery capacity according to the pure electric mileage value of the target segment
Value, and electricity control is carried out to power battery according to the target power battery capacity value.
Hybrid electric vehicle electric quantity control device as shown in Figure 4, further includes: sending module 50；
Sending module 50 is shown for the pure electric mileage value of target segment to be sent to instrument.
Optionally, for determining that the second electricity of target power battery capacity value controls according to the pure electric mileage value of target segment
Module 40, is specifically used for:
According to the mapping relations of pre-set target segment pure electric mileage and target power battery capacity, target point is determined
Target power battery capacity value corresponding to Duan Chun electricity mileage value；
It is specific to use for the second electricity control module 40 according to target power battery capacity value to power battery charging
In:
According to target power battery capacity value and default electricity allowable error range, determine that target power battery capacity allows
Range；
Acquisition power battery voltage value in real time, and judge power battery voltage value whether in target power battery
In electricity allowed band；
If it is not, being charged according to target power battery capacity allowed band to power battery, and returns to execution and adopt in real time
Collect power battery voltage value, the step for.
Hybrid electric vehicle electric quantity control device provided in an embodiment of the present invention is, it can be achieved that in the pure electricity of entire driving task
Journey stepwise adjustable is continuously adjustable, and that improves pure electric mileage estimates accuracy, energy loss is reduced, to reduce energy consumption.
Hybrid electric vehicle electric quantity control method and the hybrid electric vehicle electric quantity control provided based on the above embodiment
Device, the embodiment of the present invention also provide a kind of entire car controller, and structural schematic diagram is as shown in Figure 5, comprising: processor 60 and deposit
Reservoir 70；
Memory 60, for storing operation sequence, code or the instruction of hybrid electric vehicle electric quantity control method；
Processor 70, the operation journey for being stored in run memory 60 when carrying out hybrid electric vehicle electric quantity control
Sequence, code or instruction, wherein described program, code or instruction are used for:
Receive the electricity control instruction for carrying the pure electric mileage value of target segment；
Judge whether the pure electric mileage value of the target segment is null value；
If so, determining current vehicle dynamical system efficiency optimal value, and most according to the current vehicle dynamical system efficiency
The figure of merit carries out electricity control to power battery；
If it is not, determining target power battery capacity value according to the pure electric mileage value of the target segment, and according to the target
Power battery charge value carries out electricity control to power battery.
When processor 70 will carry out the correlation of hybrid electric vehicle electric quantity control method disclosed in above-mentioned the embodiment of the present application
When operation, the embodiment of the present application can be completed and disclose by calling and execute the operation sequence stored in memory 60, code or instruction
Hybrid electric vehicle electric quantity control method process.Detailed process can be found in the corresponding part of above-mentioned the embodiment of the present application, this
In repeat no more.
Entire car controller provided in an embodiment of the present invention, it can be achieved that the pure electric mileage stepwise adjustable of entire driving task or
Continuously adjustable, that improves pure electric mileage estimates accuracy, energy loss is reduced, to reduce energy consumption.
A kind of hybrid electric vehicle electric quantity control method provided by the present invention, device and entire car controller are carried out above
It is discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
For the device disclosed in the embodiment, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, phase
Place is closed referring to method part illustration.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the element that the process, method, article or equipment including a series of elements is intrinsic,
It further include either the element intrinsic for these process, method, article or equipments.In the absence of more restrictions,
The element limited by sentence "including a ...", it is not excluded that in the process, method, article or equipment including the element
In there is also other identical elements.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of hybrid electric vehicle electric quantity control method, which is characterized in that be applied to entire car controller, comprising:
Receive the electricity control instruction for carrying the pure electric mileage value of target segment；
Judge whether the pure electric mileage value of the target segment is null value；
If so, determining current vehicle dynamical system efficiency optimal value, and according to the current vehicle dynamical system efficiency optimal value
Electricity control is carried out to power battery；
If it is not, determining target power battery capacity value according to the pure electric mileage value of the target segment, and according to the target power
Battery capacity value carries out electricity control to power battery.
2. the method according to claim 1, wherein further include:
The pure electric mileage value of the target segment is sent to instrument to show.
3. the method according to claim 1, wherein described determine mesh according to the pure electric mileage value of the target segment
Mark power battery charge value, comprising:
According to the mapping relations of pre-set target segment pure electric mileage and target power battery capacity, the target point is determined
Target power battery capacity value corresponding to Duan Chun electricity mileage value；
It is described that electricity control is carried out to power battery according to the target power battery capacity value, comprising:
According to the target power battery capacity value and default electricity allowable error range, determine that target power battery capacity allows
Range；
Acquisition power battery voltage value in real time, and judge the power battery voltage value whether in the target power
In battery capacity allowed band；
If it is not, being charged according to the target power battery capacity allowed band to power battery, and returns and execute the reality
When acquire power battery voltage value, the step for.
4. a kind of hybrid electric vehicle electric quantity control device characterized by comprising receiving module, judgment module, the first electricity
Control module and the second electricity control module；
The receiving module, for receiving the electricity control instruction for carrying the pure electric mileage value of target segment；
The judgment module, for judging whether the pure electric mileage value of the target segment is null value；If so, triggering described first
Electricity control module；If it is not, then triggering the second electricity control module；
The first electricity control module, for determining current vehicle dynamical system efficiency optimal value, and according to described current whole
Vehicle dynamical system efficiency optimal value carries out electricity control to power battery；
The second electricity control module, for determining target power battery capacity according to the pure electric mileage value of the target segment
Value, and electricity control is carried out to power battery according to the target power battery capacity value.
5. device according to claim 4, which is characterized in that further include: sending module；
The sending module is shown for the pure electric mileage value of the target segment to be sent to instrument.
6. device according to claim 4, which is characterized in that for determining mesh according to the pure electric mileage value of the target segment
The the second electricity control module for marking power battery charge value, is specifically used for:
According to the mapping relations of pre-set target segment pure electric mileage and target power battery capacity, the target point is determined
Target power battery capacity value corresponding to Duan Chun electricity mileage value；
Second electricity for carrying out electricity control to power battery according to the target power battery capacity value controls mould
Block is specifically used for:
According to the target power battery capacity value and default electricity allowable error range, determine that target power battery capacity allows
Range；
Acquisition power battery voltage value in real time, and judge the power battery voltage value whether in the target power
In battery capacity allowed band；
If it is not, being charged according to the target power battery capacity allowed band to power battery, and returns and execute the reality
When acquire power battery voltage value, the step for.
7. a kind of entire car controller characterized by comprising processor and memory；
The memory, for storing operation sequence, code or the instruction of hybrid electric vehicle electric quantity control method；
The processor, for running the operation journey stored in the memory when carrying out hybrid electric vehicle electric quantity control
Sequence, code or instruction, wherein described program, code or instruction are used for:
Receive the electricity control instruction for carrying the pure electric mileage value of target segment；
Judge whether the pure electric mileage value of the target segment is null value；
If so, determining current vehicle dynamical system efficiency optimal value, and according to the current vehicle dynamical system efficiency optimal value
Electricity control is carried out to power battery；
If it is not, determining target power battery capacity value according to the pure electric mileage value of the target segment, and according to the target power
Battery capacity value carries out electricity control to power battery.
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| CN201711175553.0A CN109808675B (en) | 2017-11-22 | 2017-11-22 | Electric quantity control method and device for hybrid electric vehicle and vehicle control unit |
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|---|---|---|---|
| CN201711175553.0A CN109808675B (en) | 2017-11-22 | 2017-11-22 | Electric quantity control method and device for hybrid electric vehicle and vehicle control unit |
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| CN109808675A true CN109808675A (en) | 2019-05-28 |
| CN109808675B CN109808675B (en) | 2021-02-19 |
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