CN110230564A - Hybrid power engine inlet air heating control method, system and hybrid vehicle - Google Patents
Hybrid power engine inlet air heating control method, system and hybrid vehicle Download PDFInfo
- Publication number
- CN110230564A CN110230564A CN201910738462.6A CN201910738462A CN110230564A CN 110230564 A CN110230564 A CN 110230564A CN 201910738462 A CN201910738462 A CN 201910738462A CN 110230564 A CN110230564 A CN 110230564A
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- Prior art keywords
- inlet air
- air heating
- engine
- controller
- hybrid power
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/042—Combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0414—Air temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The present invention provides a kind of hybrid power engine inlet air heating control methods, in engine start, key switch sparking vehicle is powered, the hybrid power unit unit cooperative controller to be worked at this time by control Full Vehicle System is monitored intake air temperature, it is controlled by it whether engine controller needs to enter inlet air heating program, when needing inlet air heating, engine controller is after controlling inlet air heating, enter back into engine startup process, it does not need to be directly entered progress of starting sequence when inlet air heating, by the way that the judgement of inlet air heating is carried out by hybrid power unit unit cooperative controller, engine controller is not necessarily to carry out the data initialization of inlet air heating after the unlatching of each key switch, optimal control program, reduce influence of the key switch unlatching to inlet air heating function.The present invention also provides a kind of hybrid power engine inlet air heating control system and hybrid vehicles.
Description
Technical field
The present invention relates to Development of HEV Technology fields, more specifically to a kind of hybrid power engine air inlet
Method for heating and controlling, control system and hybrid vehicle.
Background technique
After the control system key switch of hybrid vehicle is opened, whole system is constantly in electriferous state when running,
Key switch is also the power switch of ECU, which is in ON grades, and ECU just can be in running order, turns off key switch, is sent out
Motivation is naturally flame-out.
When opening key switch, vehicle is powered, and when engine low-temperature starting-up, ECU passes through to various temperature (such as air inlet temperature
Degree, water temperature etc.) monitoring, select minimum temperature.It is calculated by the judgement to the temperature, control heats relay to control lattice
Grid heat air inlet, promote intake air temperature, mix the fuel oil of injection preferably with air, improve engine cold starting performance.It is existing
Some inlet air heating programs are controlled by ECU, and inlet air heating enters temperature and reads the stage, and engine interior data are initialised.ECU
The duration in each stage is calculated, heater and lamp at this moment is all in off state.After the completion of calculating, each heating period at this time
Time duration condition is satisfied, and vehicle enters warm-up phase, and heater is begun to warm up at this time, and heating lamp is bright.
Since key switch is the power switch of ECU, after key switch is opened, ECU is in running order, in each key
Switch can trigger inlet air heating when opening, and influence inlet air heating functional application.
Therefore, the control function for how optimizing inlet air heating, is a problem to be solved by those skilled in the art.
Summary of the invention
In view of this, being added the present invention provides a kind of hybrid power engine inlet air heating control method with optimizing air inlet
The control function of heat；The present invention also provides a kind of hybrid power engine inlet air heating control system and hybrid vehicles.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of hybrid power engine inlet air heating control method, comprising steps of
S01: key switch is opened, and hybrid power unit unit cooperative controller judges whether to need to heat air inlet, such as
Fruit is to enter step S02, otherwise enters S03；
S02: the hybrid power unit unit cooperative controller control engine controller enters inlet air heating program, and in institute
After the completion of stating inlet air heating program, controls the engine controller and enter engine startup process；
S03: the hybrid power unit unit cooperative controller controls the engine controller and enters engine startup process.
Preferably, in above-mentioned hybrid power engine inlet air heating control method, the S01 includes that the mixing is dynamic
Power monoblock tuning controller monitors environment temperature, and when the environment temperature is lower than temperature threshold, issues inlet air heating
Instruction.
Preferably, in above-mentioned hybrid power engine inlet air heating control method, the S02 includes S21, described to start
Machine controller receives the inlet air heating instruction, triggers inlet air heating program, the engine enters inlet air heating program.
It preferably, further include S22 in above-mentioned hybrid power engine inlet air heating control method, when the air inlet adds
After the hot program operation predetermined time, the engine controller issues inlet air heating and completes instruction, the hybrid power unit machine
Group tuning controller receives the inlet air heating and completes after instructing, and sends start request and instructs to the engine controller, institute
The engine controller reception start request is stated to instruct and control engine start.
Preferably, in above-mentioned hybrid power engine inlet air heating control method, step S03 is specifically, work as the ring
When border temperature is not less than the temperature threshold, the hybrid power unit unit cooperative controller sends start request and instructs to institute
Engine controller is stated, the engine controller receives the start request and instructs and control engine start.
Preferably, in above-mentioned hybrid power engine inlet air heating control method, the temperature threshold is -25 DEG C ~ -35
℃。
A kind of hybrid power engine inlet air heating control system, including the engine control by CAN bus communication connection
Device, engine controller and hybrid power unit unit cooperative controller, the hybrid power unit unit cooperative controller hair
Full Vehicle System is sent to run control instruction；
The hybrid power unit unit cooperative controller is connected to environment temperature sensor, and sends whether need inlet air heating
It instructs to the engine controller.
Preferably, in above-mentioned hybrid power engine inlet air heating control system, the hybrid power unit unit association
Adjust the inlet air heating switch that triggering inlet air heating program manually is additionally provided on controller.
Preferably, in above-mentioned hybrid power engine inlet air heating control system, the engine controller, the hair
Electric machine controller and the hybrid power unit unit cooperative controller pass through low-voltage circuit be connected to control vehicle power supply open
The low voltage electrical connectors opened.
A kind of hybrid vehicle is provided with engine controller, engine controller and mixed in whole-control system
Power unit unit cooperative controller is closed, is arranged in the whole-control system just like described in claim 7-9 any one
Hybrid power engine inlet air heating control system.
Hybrid power engine inlet air heating control method provided by the invention, after key switch is opened, hybrid single
First unit cooperative controller judges whether to need to heat air inlet, if so, hybrid power unit unit cooperative controller
Control engine controller enters inlet air heating program, and after the completion of inlet air heating program, and control engine controller enters
Engine startup process；Otherwise, hybrid power unit unit cooperative controller control engine controller enters engine start
Program.In engine start, key switch sparking vehicle is powered, the hybrid power unit to be worked at this time by control Full Vehicle System
Unit cooperative controller is monitored intake air temperature, is controlled by it whether engine controller needs to enter inlet air heating journey
Sequence, when needing inlet air heating, engine controller enters back into engine startup process after controlling inlet air heating, do not need into
Gas heat when be directly entered progress of starting sequence, by by the judgement of inlet air heating by hybrid power unit unit cooperative controller into
Row, engine controller are not necessarily to carry out the data initialization of inlet air heating after the unlatching of each key switch, optimal control program,
Reduce influence of the key switch unlatching to inlet air heating function.
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
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the control flow chart of hybrid power engine inlet air heating control method provided by the invention；
Fig. 2 is the structural schematic diagram of hybrid power engine inlet air heating control system provided by the invention.
Specific embodiment
The invention discloses a kind of hybrid power engine inlet air heating control methods, optimize the control function of inlet air heating
Energy；The present invention also provides a kind of hybrid power engine inlet air heating control system and hybrid vehicles.
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
Whole 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
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, Fig. 1 is the control of hybrid power engine inlet air heating control method provided by the invention
Flow chart；Fig. 2 is the structural schematic diagram of hybrid power engine inlet air heating control system provided by the invention.
The control system of hybrid power unit include four parts: engine controller ECU, engine controller MCU,
DCDC module controller and hybrid power unit unit cooperative controller IPU, for the pure electric automobile of serial mixed power,
It is produced electricl energy by driven by engine generator, uses this electrical energy drive vehicle again by wheel motor, make its traveling.
A kind of hybrid power engine inlet air heating control method is present embodiments provided, comprising steps of
S01: key switch is opened, and hybrid power unit unit cooperative controller judges whether to need to heat air inlet, such as
Fruit is to enter step S02, otherwise enters S03.
After key switch is opened, vehicle is powered, and is supervised by hybrid power unit unit cooperative controller to environment temperature
It surveys, and judges whether need to carry out inlet air heating under the ambient temperature conditions monitored.
S02: hybrid power unit unit cooperative controller control engine controller enters inlet air heating program, and into
After the completion of gas heating schedule, control engine controller enters engine startup process.
When environment temperature meets the decision condition of inlet air heating, is controlled and sent out by hybrid power unit unit cooperative controller
Motivation controller action, engine controller enter inlet air heating program, the inlet air heating program of engine controller with it is existing
Inlet air heating program it is suitable, only in the monitoring to environment temperature, by engine controller self monitor, be changed to dynamic by mixing
Power monoblock tuning controller is monitored, and when vehicle is heated, it is initial only to carry out data for engine controller
Change processing.
After the completion of inlet air heating program, vehicle meets starting conditions, and engine controller runs engine startup process, hair
Motivation starting, Full Vehicle System operation.
S03: hybrid power unit unit cooperative controller control engine controller enters engine startup process.
When not needing to carry out inlet air heating for hybrid power unit unit cooperative monitoring control devices environment temperature, directly
It controls engine controller and carries out engine startup process, without carrying out the data initialization process of engine controller, realize
Inlet air heating function optimization.
In engine start, key switch sparking vehicle is powered, the hybrid power to be worked at this time by control Full Vehicle System
Monoblock tuning controller is monitored intake air temperature, is controlled by it whether engine controller needs to enter inlet air heating
Program, when needing to heat air inlet, engine controller enters back into engine startup process after controlling inlet air heating,
Do not need to be directly entered progress of starting sequence when inlet air heating, by by the judgement of inlet air heating by hybrid power unit unit cooperative control
Device processed carries out, and engine controller is not necessarily to carry out the data initialization of inlet air heating, optimization control after the unlatching of each key switch
Processing procedure sequence reduces influence of the key switch unlatching to inlet air heating function
In one specific embodiment of this case, S01 includes hybrid power unit unit cooperative monitoring control devices environment temperature, and
When environment temperature is lower than temperature threshold, inlet air heating instruction is issued.
After key switch igniting, vehicle is powered, and hybrid power unit unit cooperative controller is monitored environment temperature,
Specifically can by the environment temperature sensor in Full Vehicle System obtain temperature signal, hybrid power unit unit cooperative controller according to
Whether whether temperature signal meets the temperature requirement of inlet air heating, issue and need inlet air heating to instruct.Hybrid power unit unit
Tuning controller is directly monitored environment temperature, and engine controller only carries out inlet air heating when temperature condition meets
Initialization program, so that the inlet air heating program of engine sensor is not influenced by key switch igniting.
Specifically, S02 includes S21, and engine controller receives inlet air heating instruction, triggers inlet air heating program, start
Machine enters inlet air heating program.
The inlet air heating program of engine controller is instructed by inlet air heating and is controlled, by the temperature monitoring of inlet air heating, and
The operation of inlet air heating program is individually controlled by hybrid power unit unit cooperative controller and engine controller two parts respectively
System, monitoring program and operation program separate, and the distribution of inlet air heating program carries out, and optimize inlet air heating function, engine controller
Without being initialized certainly after the igniting of each key switch.
It further, further include S22, after inlet air heating program runs the predetermined time, engine controller issues air inlet
Heating completes instruction and sends start request after hybrid power unit unit cooperative controller receives inlet air heating completion instruction and refer to
It enables to engine controller, engine controller receives start request and instructs and control engine start.
After the operation of inlet air heating program, is controlled by runing time and improve intake air temperature, the preferably pre- timing of inlet air heating
Between be set as 50s-70s.After the inlet air heating predetermined time, assert that inlet air heating work is completed, engine controller returns to air inlet
Instruction is completed in heating, and hybrid power unit unit cooperative controller receives inlet air heating and completes instruction, and meets in whole vehicle state
After start request, start request instruction is issued, engine controller receives instruction control engine start.
In one specific embodiment of this case, for step S03 specifically, when environment temperature is not less than temperature threshold, mixing is dynamic
Power monoblock tuning controller sends start request and instructs to engine controller, and engine controller receives start request simultaneously
Control engine start.In hybrid power unit unit cooperative controller according to the temperature signal of acquisition, judgement does not need to carry out
When inlet air heating, directly sending start request, engine controller do not receive inlet air heating instruction in the case where, do not run into
Gas heating schedule, directly sending engine start instruction, control engine start.
In one specific embodiment of this case, temperature threshold is -25 DEG C ~ -35 DEG C.Preferably -30 DEG C.
Based on above-mentioned hybrid power engine inlet air heating control method, present embodiments provides a kind of hybrid power and start
Machine inlet air heating control system, including dynamic by the engine controller 2 of CAN bus communication connection, engine controller 3 and mixing
Power monoblock tuning controller 1, power unit unit cooperative controller 1 send Full Vehicle System and run control instruction.Mixing is dynamic
Whether power monoblock tuning controller 1 is connected to environment temperature sensor, and send and inlet air heating is needed to instruct to engine
Controller 2.
Engine controller 2, engine controller 3 and hybrid power unit unit cooperative controller 1 are communicated by CAN bus
Connection carries out the transmitting of the instructions such as inlet air heating instruction and start request, is convenient for vehicle intelligentized control method.Environment temperature is by environment
Temperature sensor is monitored, and is received temperature signal by power unit unit cooperative controller, is issued control instruction, guarantees vehicle
Operation stability.When needing engine to shut down, hybrid power unit unit cooperative controller 1, by CAN bus to engine
Controller 2 sends shutdown request instruction and is shut down, and after key switch is closed, Full Vehicle System closes operation.
In one specific embodiment of this case, be additionally provided on hybrid power unit unit cooperative controller 1 manually trigger into
The inlet air heating of gas heating schedule switchs.Setting triggers inlet air heating function manually, specifically can be in hybrid power operating system
Inlet air heating button is opened in setting, and automatic identification triggering and the work-based logic of both manual triggerings is mutually indepedent, to work
Personnel can voluntarily control the progress of inlet air heating program according to environmental condition, meet various inlet computer heating control requirement.
In one specific embodiment of this case, engine controller 2, engine controller 3 and power unit unit cooperative control
Device 1 processed is connected to the low voltage electrical connectors 4 of control vehicle electric power starting by low-voltage circuit.Low-voltage circuit and key switch connect
It connects, for the power start of Full Vehicle System, engine controller, engine controller and power unit unit cooperative controller are equal
Low voltage electrical connectors are connected to, guarantee power system stability.
The hybrid power engine inlet air heating control system provided in based on the above embodiment, the present invention also provides one
Hybrid vehicle is planted, is provided with engine controller, engine controller and hybrid power unit machine in whole-control system
Group tuning controller, the hybrid power engine inlet air heating control system which is equipped with are above-described embodiment
The hybrid power engine inlet air heating control system of middle offer.
Since the hybrid vehicle uses the hybrid power engine inlet air heating control system of above-described embodiment, institute
Above-mentioned implementation is please referred to by hybrid power engine inlet air heating control system bring beneficial effect with the hybrid vehicle
Example.
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 (10)
1. a kind of hybrid power engine inlet air heating control method, which is characterized in that comprising steps of
S01: key switch is opened, and hybrid power unit unit cooperative controller judges whether to need to heat air inlet, such as
Fruit is to enter step S02, otherwise enters S03；
S02: the hybrid power unit unit cooperative controller control engine controller enters inlet air heating program, and in institute
After the completion of stating inlet air heating program, controls the engine controller and enter engine startup process；
S03: the hybrid power unit unit cooperative controller controls the engine controller and enters engine startup process.
2. hybrid power engine inlet air heating control method according to claim 1, which is characterized in that the S01 packet
It includes, the hybrid power unit unit cooperative monitoring control devices environment temperature, and when the environment temperature is lower than temperature threshold,
Issue inlet air heating instruction.
3. hybrid power engine inlet air heating control method according to claim 2, which is characterized in that the S02 packet
Include S21, the engine controller receives the inlet air heating instruction, trigger inlet air heating program, the engine enter into
Gas heating schedule.
4. hybrid power engine inlet air heating control method according to claim 3, which is characterized in that it further include S22,
After the inlet air heating program runs the predetermined time, the engine controller issues inlet air heating and completes instruction, described mixed
It closes the power unit unit cooperative controller reception inlet air heating to complete after instructing, sends start request and instruct to described and starts
Machine controller, the engine controller receive the start request and instruct and control engine start.
5. hybrid power engine inlet air heating control method according to claim 2, which is characterized in that step S03 tool
Body is that, when the environment temperature is not less than the temperature threshold, the hybrid power unit unit cooperative controller is sent
Dynamic request instruction to the engine controller, the engine controller receives the start request and instructs and control engine
It starts.
6. hybrid power engine inlet air heating control method according to claim 5, which is characterized in that the temperature threshold
Value is -25 DEG C ~ -35 DEG C.
7. a kind of hybrid power engine inlet air heating control system, which is characterized in that including the hair by CAN bus communication connection
Motivation controller, engine controller and hybrid power unit unit cooperative controller, the hybrid power unit unit cooperative
Controller sends Full Vehicle System and runs control instruction；
The hybrid power unit unit cooperative controller is connected to environment temperature sensor, and sends whether need inlet air heating
It instructs to the engine controller.
8. hybrid power engine inlet air heating control system according to claim 7, which is characterized in that the mixing is dynamic
The inlet air heating switch of triggering inlet air heating program manually is additionally provided on power monoblock tuning controller.
9. hybrid power engine inlet air heating control system according to claim 8, which is characterized in that the engine
Controller, the engine controller and the hybrid power unit unit cooperative controller pass through low-voltage circuit and are connected to control
The low voltage electrical connectors of vehicle electric power starting processed.
10. a kind of hybrid vehicle, engine controller, engine controller and mixing are provided in whole-control system
Power unit unit cooperative controller, which is characterized in that setting is any one just like claim 7-9 in the whole-control system
Hybrid power engine inlet air heating control system described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738462.6A CN110230564B (en) | 2019-08-12 | 2019-08-12 | Air inlet heating control method and system for hybrid power engine and hybrid power automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738462.6A CN110230564B (en) | 2019-08-12 | 2019-08-12 | Air inlet heating control method and system for hybrid power engine and hybrid power automobile |
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| Publication Number | Publication Date |
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| CN110230564A true CN110230564A (en) | 2019-09-13 |
| CN110230564B CN110230564B (en) | 2020-04-03 |
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ID=67855275
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910738462.6A Active CN110230564B (en) | 2019-08-12 | 2019-08-12 | Air inlet heating control method and system for hybrid power engine and hybrid power automobile |
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Cited By (1)
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| CN110657051A (en) * | 2019-09-30 | 2020-01-07 | 潍柴动力股份有限公司 | Throttle valve control method and system |
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| CN110230564B (en) | 2020-04-03 |
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