CN104828065B - Hybrid vehicle and its charge control method - Google Patents
Hybrid vehicle and its charge control method Download PDFInfo
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- CN104828065B CN104828065B CN201410680234.5A CN201410680234A CN104828065B CN 104828065 B CN104828065 B CN 104828065B CN 201410680234 A CN201410680234 A CN 201410680234A CN 104828065 B CN104828065 B CN 104828065B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/02—Clutches
- B60W2710/021—Clutch engagement state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0644—Engine speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/081—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/24—Energy storage means
- B60W2710/242—Energy storage means for electrical energy
- B60W2710/248—Current for loading or unloading
-
- 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
- Y02T10/62—Hybrid vehicles
-
- 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
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The present invention proposes a kind of charge control method of hybrid vehicle, and the charge control method includes：Charging instruction is received, and judges whether hybrid vehicle meets charged state according to charging instruction；If it is determined that hybrid vehicle meets charged state, then start engine and control engine to run to default engine target rotating speed；After engine reaches default engine target rotating speed, control clutch is combined so that engine driving motor operation；After motor speed reaches default motor rotating speed of target, the operation of controlled motor permanent torque；The electricity and battery cell voltage or total voltage of electrokinetic cell are detected, and charge control is carried out according to the electricity of electrokinetic cell, battery cell voltage or total voltage.The charge control method of the present invention, can be charged for electrokinetic cell when without external charge equipment, meet the electrical energy demands of hybrid vehicle, it is ensured that runnability and driving safety.The present invention also proposes a kind of hybrid vehicle.
Description
Technical field
The invention belongs to technical field of vehicle, more particularly to a kind of charge control method of hybrid vehicle, and it is mixed
Close power vehicle.
Background technology
Electrokinetic cell is the topmost energy source of hybrid vehicle, and energy source needed for being vehicle traveling is simultaneously
The energy source of the electrical equipment auxiliary of each in vehicle, main power resources are motors, and engine drives as auxiliary power source
Electrical automobile is travelled.Traditional hybrid vehicle can only be that electrokinetic cell is charged by external charge equipment, but dynamic
Power battery electric quantity it is too low and without external charge equipment in the case of, although engine can drive hybrid electric vehicle to sail,
It is that each High-Voltage Electrical Appliances auxiliary does not have enough electric energy cisco unity malfunctions, for example, when brake vacuum pump can not work, vehicle system
Dynamic performance is reduced and is deteriorated with cylinder pressure, until losing stopping power, causes vehicle performance to reduce and there is potential safety hazard, very
Detrimental effects are caused to whole vehicle functions and safety traffic.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention is needed
A kind of charge control method of hybrid vehicle is proposed, the control method can be in the case of without external charge equipment
Electrokinetic cell is charged, and meets the electrical energy demands of hybrid vehicle, it is ensured that runnability and driving safety.
The present invention also proposes a kind of hybrid vehicle.
To solve the above problems, one aspect of the present invention embodiment proposes a kind of charge control method of hybrid vehicle,
The control method comprises the following steps：Charging instruction is received, and judges whether hybrid vehicle is full according to the charging instruction
Sufficient charged state；If it is determined that the hybrid vehicle meets charged state, then start engine and control the engine
Run to default engine target rotating speed；After the engine reaches the default engine target rotating speed, clutch is controlled
Device is with reference to so that the engine driving motor operation；After the motor speed reaches default motor rotating speed of target, control
The motor permanent torque operation；And the electricity and battery cell voltage or total voltage of the detection electrokinetic cell, and according to institute
The electricity, the battery cell voltage or total voltage for stating electrokinetic cell carry out charge control.
The charge control method of hybrid vehicle according to embodiments of the present invention, is filled by being met in hybrid vehicle
During electric condition, by the use of engine as power resources, and generated electricity by the generation torque of clutch drive motor, and then motor
For power battery charging, the charge requirement of the hybrid vehicle in the case of without external charge equipment can be met, and then
Ensure the feature and security of hybrid vehicle.
Wherein, in some embodiments of the invention, electricity, the battery cell electricity according to the electrokinetic cell
Pressure or total voltage carry out charge control and specifically included：If the electricity of the electrokinetic cell reaches default power threshold, carry out
Exit charge control；If the electricity of the electrokinetic cell is not up to default power threshold but the battery cell voltage or total electricity
Pressure reaches maximum voltage value, then exits charge control and carry out second of charge control after the preset lime.
In some embodiments of the invention, above-mentioned control method also includes：Charging halt instruction is received, and according to described
Charging halt instruction carries out exiting charge control.
In some embodiments of the invention, the progress is exited charge control and specifically included：Controlled motor is unloaded；
When the torque of the motor is zero, control the engine idle；Control the clutch separation；In the clutch
After separation, the engine is controlled to shut down.
In some embodiments of the invention, it is described to judge whether vehicle meets charged state tool according to the charging instruction
Body includes：Judge whether the hybrid vehicle is in dead ship condition；If the hybrid vehicle is in the parking
State, then determine whether whether parking brake is in effective status；If the parking brake is in effective status, institute is determined whether
Whether the gear for stating hybrid vehicle is in neutral；If the gear of the hybrid vehicle is in neutral, institute is judged
State hybrid vehicle and meet charged state.
In some embodiments of the invention, second of charge control is specifically included：Start the engine；Institute
When stating engine and running to the 1/2 of the default engine target rotating speed, the clutch is controlled to combine；When the motor speed
Reach after the default motor rotating speed of target, control the motor permanent torque operation.
It is that reduction is filled by the rotating speed for carrying out charging control process twice and reduced in second of charge control engine
Electric current, so that the performance of electrokinetic cell can be ensured while charging requirement is met, it is to avoid electrokinetic cell is in charging process
In break down.
To solve the above problems, another aspect of the present invention embodiment proposes a kind of hybrid vehicle, the hybrid power
Automobile includes：Engine and motor, clutch is connected between the engine and motor；Electrokinetic cell, the electrokinetic cell
Charged by the motor；Battery manager, electricity and battery cell voltage or total voltage for detecting the electrokinetic cell；It is whole
Vehicle controller, the entire car controller receives charging instruction, and judges whether hybrid vehicle is full according to the charging instruction
Sufficient charged state, when the hybrid vehicle meets charged state, starts the engine and controls the engine to transport
Row controls the clutch to default engine target rotating speed, and after the engine reaches default engine target rotating speed
Device is combined, and after the motor speed reaches default motor rotating speed of target, controls the motor permanent torque operation, and root
Charge control is carried out according to the electricity of the electrokinetic cell, the battery cell voltage or total voltage.
Hybrid vehicle according to embodiments of the present invention, is filled by judging that hybrid vehicle is met in entire car controller
During electric condition, by the use of engine as power resources, and generated electricity by the generation torque of clutch drive motor, and then motor
For power battery charging, the charge requirement of the hybrid vehicle in the case of without external charge equipment can be met, and then
Ensure the feature and security of hybrid vehicle.
In some embodiments of the invention, the entire car controller is additionally operable to reach in the electricity of the electrokinetic cell pre-
If during power threshold, charge control is exited in progress, and is not up to default power threshold but institute in the electricity of the electrokinetic cell
State battery cell voltage or when total voltage reaches maximum voltage value, exit charge control and carry out after the preset lime second
Charge control.
In some embodiments of the invention, the entire car controller is additionally operable to after charging halt instruction is received,
Carry out exiting charge control according to the charging halt instruction.
In some embodiments of the invention, when carrying out exiting charge control, electricity described in the vehicle control unit controls
Machine is unloaded, and when the torque of the motor is zero, controls the engine idle, and controls the clutch point
From, and after the clutch separation, control the engine to shut down.
In some embodiments of the invention, the entire car controller is additionally operable to judge whether the hybrid vehicle is located
In dead ship condition, and when the hybrid vehicle is in dead ship condition, determine whether the hand of the hybrid vehicle
Stop and whether be in effective status, and when the parking brake is in effective status, determine whether the gear of the hybrid vehicle
Whether position is in neutral, and when the gear of the hybrid vehicle is in neutral, judges that the hybrid vehicle is expired
Sufficient charged state.
In some embodiments of the invention, when carrying out second of charge control, the entire car controller is also used
Control the engine to run in the control engine start, and with constant rotational speed, run in the engine to described pre-
If during 1/2 rotating speed of engine target rotating speed, controlling the clutch to combine, and described preset is reached in the motor speed
After motor rotating speed of target, the motor permanent torque operation is controlled.
Entire car controller is by charging control process twice and the rotating speed of reduction engine is in second of charge control
Charging current is reduced, so that the performance of electrokinetic cell can be ensured while charging requirement is met, it is to avoid electrokinetic cell is filling
Broken down in electric process.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the flow chart of the charge control method of the hybrid vehicle according to one embodiment of the present of invention；
Fig. 2 is that the charging of exiting of the charge control method of the hybrid vehicle according to an alternative embodiment of the invention is controlled
The flow chart of system；
Fig. 3 is the flow chart of the charge control method of the hybrid vehicle of another embodiment according to the present invention；
Fig. 4 is the flow chart of the charge control method of the hybrid vehicle according to yet another embodiment of the present invention；
Fig. 5 is the block diagram of the hybrid vehicle according to one embodiment of the present of invention；And
Fig. 6 is that the part of the power drive system of the hybrid vehicle according to an alternative embodiment of the invention is illustrated
Figure.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only merely illustrative, and
Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity again.This
Outside, the invention provides various specific techniques and material example, but those of ordinary skill in the art can be appreciated that
The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it
" on " structure can include the first and second features and be formed as the embodiment that directly contacts, other feature shape can also be included
Into the embodiment between the first and second features, such first and second feature may not be direct contact.
In the description of the invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be mechanically connect or electrical connection or the connection of two element internals, can
To be to be joined directly together, it can also be indirectly connected to by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
With reference to following description and accompanying drawing, it will be clear that these and other aspects of embodiments of the invention.In these descriptions
In accompanying drawing, some particular implementations in embodiments of the invention are specifically disclosed, to represent the implementation for implementing the present invention
Some modes of the principle of example, but it is to be understood that the scope of embodiments of the invention is not limited.On the contrary, the present invention
Embodiment includes all changes, modification and the equivalent fallen into the range of the spirit and intension of attached claims.
Describe with reference to the accompanying drawings the charge control method of hybrid vehicle that proposes according to embodiments of the present invention and
Hybrid vehicle.
The charge control method of the hybrid vehicle of the embodiment of the present invention is illustrated first.Fig. 1 is according to this hair
The flow chart of the charge control method of the hybrid vehicle of bright one embodiment.
As shown in figure 1, the charge control method of the hybrid vehicle of the embodiment of the present invention comprises the following steps：
S1, receives charging instruction, and judge whether hybrid vehicle meets charged state according to charging instruction.
Specifically, can be to the key of hybrid vehicle when the user of hybrid vehicle is intended for power battery charging
Spoon, pedal, parking brake and gear shifting device are operated, and entire car controller is received after such sequence of operations information, and then is sentenced
Whether disconnected hybrid vehicle meets charged state, for example, whether entire car controller judges hybrid vehicle in parking shape
State, if hybrid vehicle is in dead ship condition, determines whether whether parking brake is in effective status, i.e. parking brake and stays
Car on-position, if parking brake is in effective status, determines whether whether the gear of hybrid vehicle is in neutral；Such as
The gear of fruit hybrid vehicle is in neutral, then judges that hybrid vehicle meets charged state.
S2, if it is determined that hybrid vehicle, which is met, fills state, then starts engine and controls engine to run to default
Engine target rotating speed.
Specifically, when judging that hybrid vehicle meets charged state, into charge mode control, hybrid vehicle
Under charge mode, entire car controller is not responding to the actuating signal of gear and pedal, that is, controls hybrid vehicle to be maintained at and stop
Car state.When being charged, entire car controller controls engine start first, and sends default engine target rotating speed control
Signal is to engine, and control engine is run to default engine target rotating speed, and control engine is worked under stabilized (steady-state) speed.
S3, after engine reaches default engine target rotating speed, control clutch is combined so that engine driving is electric
Machine is run.
S4, after motor speed reaches default motor rotating speed of target, the operation of controlled motor permanent torque.
Engine is run by clutch motor, after motor speed reaches default motor rotating speed of target, vehicle
Controller sends default target torque and instructed to motor, and controlled motor is operated under stable negative torque, and engine is turned with perseverance
The i.e. default engine target rotating speed drive motor of speed is using permanent torque generating as power battery charging, i.e., into charge mode.Wherein,
Engine speed and motor torque are set according to the specified charging current of electrokinetic cell, and in charging process, electric power generation electric current is protected
It is fixed to keep steady.
S5, detects the electricity and battery cell voltage or total voltage of electrokinetic cell, and according to the electricity of electrokinetic cell, battery
Monomer voltage or total voltage carry out charge control.
Specifically, during motor is power battery charging, entire car controller detects the electricity of electrokinetic cell in real time
Change, if the electricity of electrokinetic cell reaches default power threshold, charge control is exited in progress.For example, in electrokinetic cell
When electricity is full of, vehicle control unit controls motor is unloaded, that is, it is that zero to motor, motor receives zero torsion to send torque instruction
Unloaded after square instruction.When the torque of motor is zero, control engine is idle, specifically, is unloaded in motor torque
It is loaded onto after zero, entire car controller sends idling speed to engine, to control engine to operate under idling speed, when starting
After machine stabilization of speed is under idling speed, clutch separation is controlled.After clutch disengagement, entire car controller, which is sent, shuts down
Order to engine, to control engine to shut down, charging process terminates.
Fig. 2 is the flow chart for exiting charging control process of a specific embodiment according to the present invention, as shown in Fig. 2
Charging control process is exited to comprise the following steps：
S100, motor carries out torque unloading.
S101, whether the torque for judging motor is zero.
If the torque of motor is zero, step S102 is performed, otherwise return to step S100.
S102, engine idling.
S103, judges whether the rotating speed of engine is equal to idling speed.
If the rotating speed of engine is equal to idling speed, step S104 is performed, otherwise return to step S102.
S104, controls clutch separation.
S105, judges whether clutch completes separation.
If clutch completes separation, step S106 is performed, otherwise return to step S104.
S106, control engine is shut down.
Meanwhile, motor be power battery charging during, entire car controller monitor in real time electrokinetic cell monomer voltage and
Total voltage, before the electricity of electrokinetic cell is full of, if battery cell voltage or total voltage reach maximum voltage value, is exited
Charge control.Charging process is exited as shown in Fig. 2 it is zero to stop to motor with controlled motor that entire car controller, which sends torque instruction,
Generate electricity, motor is received after zero torque instruction, unloaded, is offloaded in motor torque after zero, entire car controller is sent
Idling speed is to engine, to control engine to operate under idling speed, engine peed stable under idling speed it
Afterwards, vehicle control unit controls clutch separation, after clutch separation, entire car controller sends halt command to engine,
To control engine to shut down, charge control is exited.Charging terminates for the first time, after for example engine is shut down after the preset lime
Wait 5 minutes, carry out second of charge control, i.e., charge control is carried out again, until power in 5 minutes timing times then
The electricity of battery reaches default power threshold, or, battery cell/total voltage reaches maximum voltage value.
Second of charge control basic process is：Start engine, run in engine to default engine target rotating speed
1/2 rotating speed when, control engine is worked under the stabilized (steady-state) speed, and controls clutch to combine, i.e., by clutch by starting
Machine motor is run, and entire car controller sends default motor rotating speed of target order to motor, when motor speed reaches default electricity
After machine rotating speed of target, the operation of controlled motor permanent torque, i.e. controlled motor are operated under stable negative torque, and engine is turned with perseverance
Fast drive motor is using permanent torque generating as power battery charging, until battery cell voltage or total voltage reach maximum voltage value,
And then charge control is exited, the process for exiting charge control is as shown in Figure 2.
Put it briefly, in the charge control method of the hybrid vehicle of the embodiment of the present invention, by the use of engine as
Power resources, produce negative torque using motor and generate electricity, in vehicle parking to power battery charging, to meet without external charge
The charge requirement of mixed power electric car in the case of equipment.Include the control of charging process twice into charging process control,
First time charging process and second of charging process can be for example referred to as, wherein, receiving charging instruction such as driver
It is first time charging process during charge request operation signal.In charging process entire car controller monitor in real time battery electric quantity and
Battery cell voltage or total voltage, default power threshold but battery cell voltage or total voltage are not up in the electricity of electrokinetic cell
When reaching maximum voltage value, first time charge control is exited, is entered after first time charging terminates preset time such as 5 minutes
Second of charge control, and control the rotating speed of engine to be the default hair in first time charging process in second of charging process
The 1/2 of motivation rotating speed of target, i.e. charging current are 1/2 in first time charging process, are divided into two charging processes and second
Charging current is reduced in secondary charging, electrokinetic cell can be played a protective role, it is to avoid break down.
Charging process twice is briefly described with specific embodiment below.Fig. 3 is specific according to of the invention one
The flow chart of first time charging process in the charge control method of the hybrid vehicle of embodiment, as shown in figure 3, for the first time
Charging process includes：
S200, judges whether to receive charge request instruction.
If receiving charge request instruction, step S201 is being performed, is otherwise continuing this step.
S201, judges whether vehicle-state meets charge condition.
If vehicle-state meets charge condition, step S202 is performed, otherwise user can adjust vehicle-state, and then
Continue to determine whether to meet charge condition.
S202, starts engine.
S203, judges whether engine speed reaches default engine speed.
If engine speed reaches default engine speed, step S204 is performed, otherwise continues step of running quickly.
S204, control clutch is combined.
S205, judges whether clutch completes combination.
If clutch completes to combine, step S206 is performed, otherwise return to step S204.
S205, judges whether motor speed reaches default motor speed.
If motor speed reaches default motor speed, step S206 is performed, this step is otherwise continued executing with.
S206, controlled motor is operated with permanent torque.
Enter first time charging process.
In addition, after charging process is entered, charging halt instruction can be received, and moved back according to charging halt instruction
Go out charge control.Fig. 4 is the stream of the charge control method of the hybrid vehicle of another specific embodiment according to the present invention
Cheng Tu.As shown in figure 4, charging process includes：
S300, judges whether to receive stopping charging instruction.
, can be by receiving the stopping charging instruction of driver, directly in being first time charging process into charge control
Connect and exit charging control process.If receiving stopping charging instruction, step S307 is performed, step S301 is otherwise performed.
S301, judges whether battery electric quantity reaches default power threshold.
If battery electric quantity reaches default power threshold, step S307 is performed, step S302 is otherwise performed.
S302, judges whether battery cell voltage or total voltage reach maximum voltage value.
If battery cell voltage or total voltage reach maximum voltage value, step S303 is performed, step is otherwise performed
S301。
S303, exits first time charge control, and carry out timing.
S304, judges whether timing time reaches preset time.
If timing time reaches preset time, step S305 is performed, otherwise continues to judge whether timing time reaches
Preset time.
S305, into second of charge control.
S306, judges whether battery cell voltage or total voltage reach maximum voltage value.
If battery cell voltage or total voltage reach maximum voltage value, step S307 is performed, otherwise continues this step.
S307, exits second of charge control.
I.e. charging process terminates.
In charging process, stopping charging instruction being made and timely respond to, for example, in charging, driver is to key
Spoon carries out operation and intends to stop charging, then entire car controller receives the position signalling holding ignition location of key more than a timing
Between such as 5 seconds, then control vehicle exit charge mode, charging control process terminates.
In summary, the charge control method of hybrid vehicle according to embodiments of the present invention, by hybrid power
When automobile meets charge condition, by the use of engine as power resources, and sent out by the generation torque of clutch drive motor
Electricity, and then motor is power battery charging, can meet filling in the case of no external charge equipment hybrid vehicle
Electric demand, and then ensure the feature and security of hybrid vehicle.In addition, by carry out twice charging control process and
The rotating speed that engine is reduced in second of charge control is reduction charging current, so as to can be protected while charging requirement is met
Demonstrate,prove the performance of electrokinetic cell, it is to avoid electrokinetic cell breaks down in charging process.
The mixing for describing the another aspect embodiment that embodiment is proposed according to a further aspect of the invention with reference to the accompanying drawings is moved
Power automobile.
Fig. 5 is the block diagram of the hybrid vehicle according to one embodiment of the present of invention.As shown in figure 5, the present invention is implemented
The hybrid vehicle 1000 of example includes engine 100 and motor 200, and clutch is connected between engine 100 and motor 200
300, electrokinetic cell 400, battery manager 500 and entire car controller 600.
Electrokinetic cell 400 is charged by motor 200；Battery manager 500 is used for the electricity and battery for detecting electrokinetic cell 400
Monomer voltage or total voltage；Entire car controller 600 receives charging instruction, and judges hybrid vehicle 1000 according to charging instruction
Whether charged state is met, when hybrid vehicle 1000 meets charged state, start engine 100 and control engine
100 operations control clutch to default engine target rotating speed, and after engine 100 reaches default engine target rotating speed
Device 300 is combined, and after the rotating speed of motor 200 reaches default motor rotating speed of target, the operation of the permanent torque of controlled motor 200, and
Charge control is carried out according to the electricity of electrokinetic cell 400, battery cell voltage or total voltage.
Wherein, in one embodiment of the invention, entire car controller 600 judges whether hybrid vehicle 1000 meets
Charged state, specifically, it can be determined that whether hybrid vehicle 1000 is in dead ship condition, and in hybrid vehicle 1000
During in dead ship condition, determine whether whether the parking brake of hybrid vehicle 1000 is in effective status, such as parking brake is in
Parking braking state, and when parking brake is in effective status, determine whether whether the gear of hybrid vehicle 1000 is in
Neutral, and when the gear of hybrid vehicle 1000 is in neutral, judge that hybrid vehicle 1000 meets charged state,
Put it briefly, when hybrid vehicle 1000 is in dead ship condition, that is, meet charge condition.
Specifically, Fig. 6 is the power drive system of the hybrid vehicle of a specific embodiment according to the present invention
Part-structure schematic diagram.As shown in fig. 6, when entering charging process, gearbox 700 is in neutral, and clutch 300 is combined, hair
The dragging motor 200 of motivation 100 is rotated with constant rotational speed, and the negative torque of the output of motor 200 is charged to electrokinetic cell 400.
Receive charge control instruction for example receive the charge request operation signal of driver when, into charging control
System, in charging process, battery manager 500 monitors the electricity and battery cell voltage and total electricity of electrokinetic cell 400 in real time
Pressure, and then entire car controller 600 is when the electricity of electrokinetic cell reaches default power threshold, charge control is exited in progress, and
When the electricity of electrokinetic cell is not up to default power threshold and battery cell voltage or total voltage reach maximum voltage value, exit
Charge control simultaneously carries out second of charge control after the preset lime.
Specifically, when carrying out second of charge control, the control engine 100 of entire car controller 600 starts, and with constant
Rotating speed control engine 100 is run, and when engine 100 is run to 1/2 rotating speed of default engine target rotating speed, controls clutch
Device 300 is combined, and is rotated by engine 100 as power resources by the drive motor 200 of clutch 300, and in 200 turns of motor
Speed reaches after default motor rotating speed of target that entire car controller 600 sends target torque and instructed to motor 200, controlled motor 200
Permanent torque is run, and the negative torque of the output of motor 200 is charged to electrokinetic cell 400, until the electricity or battery cell of electrokinetic cell 400
Voltage or total voltage reach maximum.
Put it briefly, the hybrid vehicle of the embodiment of the present invention, by the use of engine 100 as power resources, utilizes electricity
Machine 200 produces negative torque and generated electricity, and is charged in vehicle parking to electrokinetic cell 400, to meet in the feelings without external charge equipment
The charge requirement of mixed power electric car 1000 under condition.Include the control of charging process twice into charging process control, for example
First time charging process and second of charging process can be referred to as, wherein, charged receiving charging instruction such as driver
When asking operation signal, it is first time charging process, default power threshold but battery list is not up in the electricity of electrokinetic cell 400
When bulk voltage or total voltage reach maximum voltage value, first time charge control is exited, preset time example is terminated in first time charging
The rotating speed of engine 100 is controlled for for the first time as entered second of charge control after 5 minutes, and in second of charging process
1/2 of default engine target rotating speed in charging process, i.e. charging current are 1/2 in first time charging process, are divided into two
Individual charging process simultaneously reduces charging current in second of charging, and electrokinetic cell can be played a protective role, it is to avoid occur event
Barrier.
After first time charging terminates or second of charging terminates, entire car controller 600 carries out exiting charge control.
When charge control is exited in progress, it is zero to motor 200, to stop sending out with controlled motor 200 that entire car controller 600, which sends torque instruction,
Electricity, motor 200 is unloaded after receiving zero torque command, and when the torque of motor 200 is zero, entire car controller 600
Idling speed is sent to engine 100, control engine 100 is idle, and controls clutch 300 to separate, and in clutch
After device 300 is separated, entire car controller 600 sends halt command to engine 100, and control engine 100 is shut down, charging process
Terminate.
In addition, in charging process, can make and timely respond to stopping charging instruction, entire car controller 600, which is received, to be filled
Electric halt instruction, and carry out exiting charge control according to charging halt instruction.For example, in charging, driver is carried out to key
Operation intends to stop charging, then entire car controller 600 receives the position signalling holding ignition location of key more than certain time
Such as 5 seconds, then hybrid vehicle 1000 is controlled to exit charge mode, charging control process terminates.
Hybrid vehicle according to embodiments of the present invention, is filled by judging that hybrid vehicle is met in entire car controller
During electric condition, by the use of engine as power resources, and generated electricity by the generation torque of clutch drive motor, and then motor
For power battery charging, the charge requirement of the hybrid vehicle in the case of without external charge equipment can be met, and then
Ensure the feature and security of hybrid vehicle.In addition, entire car controller is by charging control process twice and second
The rotating speed that engine is reduced in secondary charge control is reduction charging current, so as to can ensure to move while charging requirement is met
The performance of power battery, it is to avoid electrokinetic cell breaks down in charging process.
Any process described otherwise above or method description are construed as in flow chart or herein, represent to include
Module, fragment or the portion of the code of one or more executable instructions for the step of realizing specific logical function or process
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not be by shown or discussion suitable
Sequence, including according to involved function by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list for the executable instruction for realizing logic function, it may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress for combining these instruction execution systems, device or equipment and using
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wirings
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, can even is that can be in the paper of printing described program thereon or other are suitable for computer-readable medium
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
Rapid to can be by program to instruct the hardware of correlation to complete, described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing module, can also
That unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit is realized using in the form of software function module and as independent production marketing or in use, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (8)
1. a kind of charge control method of hybrid vehicle, it is characterised in that comprise the following steps：
Charging instruction is received, and judges whether hybrid vehicle meets charged state according to the charging instruction；
If it is determined that the hybrid vehicle meets charged state, then start engine and control the engine to run to pre-
If engine target rotating speed；
After the engine reaches the default engine target rotating speed, control clutch is with reference to so that the engine drives
Dynamic motor operation；
After the motor speed reaches default motor rotating speed of target, the motor permanent torque operation is controlled to think electrokinetic cell
Charging, wherein, the specified charging current of default the engine target rotating speed and the permanent torque all in accordance with the electrokinetic cell
Setting；And
The electricity and battery cell voltage or total voltage of the electrokinetic cell are detected, and according to the electricity of the electrokinetic cell, institute
State battery cell voltage or total voltage carries out charge control, wherein, if the electricity of the electrokinetic cell reaches default electricity threshold
Value, then exit charge control, or, if the electricity of the electrokinetic cell is not up to default power threshold but the battery cell
Voltage or total voltage reach maximum voltage value, then exit charge control, and carry out second of charge control after the preset lime；
Wherein, when carrying out second of charge control, the engine is started, when the rotating speed of the engine is described pre-
If during the 1/n of engine target rotating speed, controlling the clutch to combine, when the motor speed reaches the default motor target
After rotating speed, the motor permanent torque operation is controlled, n is the positive integer more than 1.
2. the charge control method of hybrid vehicle as claimed in claim 1, it is characterised in that also include：
Charging halt instruction is received, and carries out exiting charge control according to the charging halt instruction.
3. the charge control method of hybrid vehicle as claimed in claim 1 or 2, it is characterised in that described to be exited
Charge control is specifically included：
Controlled motor is unloaded；
When the torque of the motor is zero, control the engine idle；
Control the clutch separation；
After the clutch separation, the engine is controlled to shut down.
4. the charge control method of hybrid vehicle as claimed in claim 1, it is characterised in that described according to the charging
Instruction judges whether vehicle meets charged state and specifically include：
Judge whether the hybrid vehicle is in dead ship condition；
If the hybrid vehicle is in the dead ship condition, determine whether whether parking brake is in effective status；
If the parking brake is in effective status, determine whether whether the gear of the hybrid vehicle is in neutral；
If the gear of the hybrid vehicle is in neutral, judge that the hybrid vehicle meets charged state.
5. a kind of hybrid vehicle, it is characterised in that including：
Engine and motor, clutch is connected between the engine and motor；
Electrokinetic cell, the electrokinetic cell is charged by the motor；
Battery manager, electricity and battery cell voltage or total voltage for detecting the electrokinetic cell；
Entire car controller, the entire car controller receives charging instruction, and judges hybrid vehicle according to the charging instruction
Whether charged state is met, when the hybrid vehicle meets charged state, start the engine and control the hair
Motivation is run to default engine target rotating speed, and after the engine reaches default engine target rotating speed, controls institute
Clutch combination is stated, and after the motor speed reaches default motor rotating speed of target, controls the motor permanent torque fortune
Row thinks power battery charging, wherein, default the engine target rotating speed and the permanent torque are all in accordance with the electrokinetic cell
The setting of specified charging current, and charged according to the electricity of the electrokinetic cell, the battery cell voltage or total voltage
Control, wherein, when the electricity of the electrokinetic cell reaches default power threshold, charge control is exited, or, in the power
The electricity of battery is not up to default power threshold but when the battery cell voltage or total voltage reach maximum voltage value, exits and fills
Electric control, and second of charge control is carried out after the preset lime, wherein, when carrying out second of charge control, control
The engine start is made, and controls the engine to run with constant rotational speed, is described default in the rotating speed of the engine
During the 1/n of engine target rotating speed, the clutch is controlled to combine, and, reach the default motor in the motor speed
After rotating speed of target, the motor permanent torque operation is controlled, n is the positive integer more than 1.
6. hybrid vehicle as claimed in claim 5, it is characterised in that the entire car controller is additionally operable to fill receiving
After electric halt instruction, carry out exiting charge control according to the charging halt instruction.
7. the hybrid vehicle as described in claim 5 or 6, it is characterised in that described whole when carrying out exiting charge control
Vehicle controller controls the motor to be unloaded, and when the torque of the motor is zero, controls the engine idle,
And the clutch separation is controlled, and after the clutch separation, control the engine to shut down.
8. hybrid vehicle as claimed in claim 5, it is characterised in that the entire car controller is additionally operable to judge described mixed
Close whether power vehicle is in dead ship condition, and when the hybrid vehicle is in dead ship condition, determine whether described
Whether the parking brake of hybrid vehicle is in effective status, and when the parking brake is in effective status, determines whether described
Whether the gear of hybrid vehicle is in neutral, and when the gear of the hybrid vehicle is in neutral, judges institute
State hybrid vehicle and meet charged state.
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| CN201410680234.5A CN104828065B (en) | 2014-11-24 | 2014-11-24 | Hybrid vehicle and its charge control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106904164B (en) * | 2015-12-23 | 2019-06-14 | 北京宝沃汽车有限公司 | Charging method, charging system and the hybrid vehicle of hybrid vehicle |
| CN106976454A (en) * | 2016-01-19 | 2017-07-25 | 上海汽车集团股份有限公司 | Method of supplying power to, device and motor vehicle driven by mixed power based on motor vehicle driven by mixed power |
| CN107264513A (en) * | 2017-07-10 | 2017-10-20 | 德州富路汽车智能化研究有限公司 | A kind of electricity-generating control method of hybrid electric vehicle, equipment and system |
| CN111169459B (en) * | 2019-10-11 | 2021-04-09 | 中国第一汽车股份有限公司 | Hybrid vehicle creep control method and device, vehicle and storage medium |
| CN113954814A (en) * | 2020-07-17 | 2022-01-21 | 上海汽车集团股份有限公司 | Charging control method and device for vehicle and vehicle |
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