CN109458265A - A kind of engine starting method and device - Google Patents
A kind of engine starting method and device Download PDFInfo
- Publication number
- CN109458265A CN109458265A CN201811631652.XA CN201811631652A CN109458265A CN 109458265 A CN109458265 A CN 109458265A CN 201811631652 A CN201811631652 A CN 201811631652A CN 109458265 A CN109458265 A CN 109458265A
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- China
- Prior art keywords
- temperature
- engine
- homogeneous solution
- type reactor
- air inlet
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/068—Introducing corrections for particular operating conditions for engine starting or warming up for warming-up
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- 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
- F02M31/12—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating electrically
- F02M31/13—Combustion air
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- 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
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
Abstract
It includes: to judge whether engine meets cold-starting condition when entire car controller powers on that the application, which provides a kind of engine starting method and device, method,；When engine meets cold-starting condition, control Vehicular accumulator cell powers on homogeneous solution-type reactor, is heated with controlling homogeneous solution-type reactor to coolant liquid；Judge whether the temperature of the coolant liquid reaches engine start condition, when the temperature of the coolant liquid reaches engine start condition, the Vehicular accumulator cell stopping is controlled to heat the homogeneous solution-type reactor, and control Vehicular accumulator cell and air inlet grid is powered on, to be heated to the air inlet grid；Judge whether the temperature of the air inlet grid reaches engine start condition, when the temperature of the air inlet grid reaches engine start condition, export the control signal for controlling engine start, the automatic starting for realizing engine, the case where being not in that coolant temperature is too low or battery excessive power consumption.
Description
Technical field
The present invention relates to automobile technical fields, and in particular to a kind of for carrying out the engine of cold-starting to engine
Dynamic method and apparatus.
Background technique
The cold starting performance of engine, unfailing performance are considered as one of important performance of engine.At low ambient temperatures
In order to improve the cold-starting success rate of engine, it will usually a variety of cold-starting ancillary measures are used, by improving engine
The mode of intake air temperature improves engine low temperature ignition condition.Such as: using the heating of air inlet grid, inlet manifold glow plug, water
The modes such as boiler heating.
Wherein the control switch of kettle stove heating is located in vehicle driver's cabin, and triggering state is controlled by driver.When need
When the homogeneous solution-type reactor being wanted to work, driver controls homogeneous solution-type reactor switch conduction, and after the control switch conducting, Vehicular accumulator cell is kettle
Furnace power supply, homogeneous solution-type reactor work and heat to engine coolant, still, since the control switch is using manual control
Mode, user can not the turn-on time to control switch accurately controlled, if control switch conducting time it is too short, can lead
It causes coolant liquid that can not be heated to ideal temperature, engine is caused still can not to start, if the time of control switch conducting
It is too long, it will lead to Vehicular accumulator cell electricity excessive loss, cause accumulator electric-quantity to exhaust what is more, it can be seen that, how to institute
The power-on time for stating homogeneous solution-type reactor control effectively, and becomes those skilled in the art's one of the technical problems that are urgent to solve.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of engine starting method and device, to realize at cold, engine
When dynamic, the automatic control of the working condition of homogeneous solution-type reactor.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of engine starting method, comprising:
When entire car controller powers on, judge whether engine meets cold-starting condition；
When engine meets cold-starting condition, control Vehicular accumulator cell powers on homogeneous solution-type reactor, to control kettle
Furnace heats coolant liquid；
Judge whether the temperature of the coolant liquid reaches engine start condition, starts when the temperature of the coolant liquid reaches
When machine starting conditions, control Vehicular accumulator cell stopping and the homogeneous solution-type reactor heated, and control Vehicular accumulator cell into
Gas grid is powered on, to heat to the air inlet grid；
Judge whether the temperature of the air inlet grid reaches engine start condition, when the temperature of the air inlet grid reaches
When engine start condition, the control signal for controlling engine start is exported.
Preferably, in above-mentioned engine starting method, whether the temperature for judging the coolant liquid, which reaches engine, is risen
Dynamic condition, comprising:
Judge whether the temperature of the coolant liquid reaches the first preset temperature, if so, showing the temperature of the coolant liquid
Reach engine start condition.
Preferably, in above-mentioned engine starting method, whether the temperature for judging the coolant liquid, which reaches engine, is risen
Before dynamic condition, further includes:
Obtain engine water temperature signal, oil temperature signal, intake air temperature signals and/or ambient temperature signal；
Select minimum temperature signal in collected each temperature signal as target temperature signal；
It is tabled look-up, is obtained and the target temperature signal phase to the first default mapping table based on the target temperature signal
Matched first preset temperature.
Preferably, in above-mentioned engine starting method, after the control Vehicular accumulator cell powers on homogeneous solution-type reactor, also
Include:
According to the difference of first preset temperature and the coolant temperature, the output power of the homogeneous solution-type reactor is adjusted,
So that the output power of the homogeneous solution-type reactor follows the reduction of the difference and reduces.
Preferably, in above-mentioned engine starting method, after entire car controller powers on, it is low to judge whether engine meets
Before warm start condition, further includes:
Whether judge to heat start signal selection switch in start position, if so, continue to execute, otherwise, if so,
Control Vehicular accumulator cell powers on air inlet grid, to heat the air inlet grid, judges whether to get igniting
Signal, if so, and controlling engine start.
A kind of engine starting gear, comprising:
Cold-starting judging unit, for judging whether engine meets cold-starting item when entire car controller powers on
Part；
Homogeneous solution-type reactor control unit, for when engine meets cold-starting condition, controlling Vehicular accumulator cell to homogeneous solution-type reactor
It is powered on, is heated with controlling homogeneous solution-type reactor to coolant liquid；Judge whether the temperature of the coolant liquid reaches engine start
Condition controls the Vehicular accumulator cell and stops to the kettle when the temperature of the coolant liquid reaches engine start condition
Furnace is heated, and exports trigger signal to grid control unit；
Grid control unit powers on air inlet grid for controlling Vehicular accumulator cell, with to the air inlet grid into
Row heating, judges whether the temperature of the air inlet grid reaches engine start condition, when the temperature of the air inlet grid reaches
When engine start condition, trigger signal is exported to engine start unit；
Engine start unit, for exporting the control signal for controlling engine start.
Preferably, in above-mentioned engine starting gear, the homogeneous solution-type reactor control unit is in the temperature for judging the coolant liquid
When whether reaching engine start condition, it is specifically used for:
Judge whether the temperature of the coolant liquid reaches the first preset temperature, if so, showing the temperature of the coolant liquid
Reach engine start condition.
Preferably, in above-mentioned engine starting gear, the homogeneous solution-type reactor control unit is in the temperature for judging the coolant liquid
Before whether reaching engine start condition, it is also used to:
Obtain engine water temperature signal, oil temperature signal, intake air temperature signals and/or ambient temperature signal；
Select minimum temperature signal in collected each temperature signal as target temperature signal；
It is tabled look-up, is obtained and the target temperature signal phase to the first default mapping table based on the target temperature signal
Matched first preset temperature.
Preferably, in above-mentioned engine starting gear, the homogeneous solution-type reactor control unit is in control Vehicular accumulator cell to kettle
After furnace is powered on, it is also used to:
According to the difference of first preset temperature and the coolant temperature, the output power of the homogeneous solution-type reactor is adjusted,
So that the output power of the homogeneous solution-type reactor follows the reduction of the difference and reduces.
Preferably, in above-mentioned engine starting gear, cold-starting judging unit is sentenced after entire car controller powers on
Before whether disconnected engine meets cold-starting condition, it is also used to:
Judge to heat start signal selection switch whether in start position, if so, it is single to trigger the homogeneous solution-type reactor control
Member work, otherwise, if so, control Vehicular accumulator cell powers on air inlet grid, to be heated to the air inlet grid,
Judge whether to get ignition signal, if so, and controlling engine start.
Based on the above-mentioned technical proposal, above scheme provided in an embodiment of the present invention after entire car controller powers on, and is started
When machine meets cold-starting condition, control homogeneous solution-type reactor heats coolant liquid, when the temperature of coolant liquid meets engine start
When condition, then the air inlet grid is heated, after the air inlet grid meets engine start condition, across-the-line starting hair
Motivation, to realize the automatic starting of engine, the case where being not in that coolant temperature is too low or battery excessive power 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 a kind of flow diagram of engine starting method disclosed in the embodiment of the present application；
Fig. 2 is a kind of flow diagram of engine starting method disclosed in another embodiment of the application；
Fig. 3 is a kind of structural schematic diagram of engine starting gear disclosed in the embodiment of the present application；
Fig. 4 is the application scenarios schematic diagram of engine starting gear disclosed in the embodiment of the present application.
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.
It is directed in the prior art, user is unable to accurately control the power-on time of homogeneous solution-type reactor, and leads to coolant temperature mistake
The problem of low or Vehicular accumulator cell circuit excessive loss, this application discloses it is a kind of can the power-on time to homogeneous solution-type reactor control automatically
The engine starting method and device of system.
Fig. 1 is the flow diagram of engine starting method disclosed in the embodiment of the present application, and referring to Fig. 1, this method can be with
Include:
Step S101: whether entire car controller powers on, and when detecting that entire car controller powers on, executes step S102, no
Then, continue to be monitored the power-up state of entire car controller；
In this step, whether detection entire car controller is powered on, and the entire car controller also refers to ECU
(Electronic Control Unit) shows that vehicle has starting demand, needs to control engine when detecting that ECU is powered on
It starts, wherein the engine also refers to diesel engine or petrol engine；
Step S102: judging whether engine meets cold-starting condition, when being unsatisfactory for condition, executes step S103 and works as
When meeting, step S104 is executed；
The purpose of this step is in order to detect whether engine is in cold-starting state, specifically, it can pass through inspection
The mode for surveying the temperature of environment temperature or coolant liquid, judges whether the engine is in cold-starting state, when the environment
When temperature or coolant temperature are lower than respective setting value, show that engine is in cold-starting state, if across-the-line starting is sent out
Motivation is possible to will lead to engine and can not start, at this point it is possible to step S104 is executed, when being unsatisfactory for cold-starting condition,
Show vehicle can with across-the-line starting, at this point, judge whether to get the ignition signal of automobile, after getting ignition signal, according to
Engine start is controlled according to the ignition signal；
Step S103: output can be with the standby signal of normal starting for characterizing engine；
In this step, it when engine is not at cold state, is risen to prompt user to pass through conventional start mode
Motor-car, characterization engine can be exported to user can be with the standby signal of normal starting, then, when the igniting for getting automobile
After signal, engine start is directly controlled；
Step S104: control Vehicular accumulator cell powers on homogeneous solution-type reactor, is heated with controlling homogeneous solution-type reactor to coolant liquid；
The homogeneous solution-type reactor is for heating engine coolant, in this step, when engine meets cold-starting
When condition, control Vehicular accumulator cell the homogeneous solution-type reactor is powered on, control the homogeneous solution-type reactor to the engine coolant into
Row heating；
Step S105: judging whether the temperature of the coolant liquid reaches engine start condition, when reaching starting conditions,
It executes step S106 and otherwise continues to execute this step；
Wherein, in the present solution, may include two parameters in the engine start condition, one of parameter is cold
But liquid temperature reaches the first preset temperature, and the temperature of air inlet grid reaches the second preset temperature when another condition, in this step
In, judge whether the temperature of the coolant liquid reaches engine start condition and also refer to judge that the temperature of the coolant liquid is
It is no to reach the first preset temperature；When the temperature of the coolant liquid reaches first yuan of preset temperature, no longer need to carry out coolant liquid
Heating；
Step S106: it controls the Vehicular accumulator cell stopping and the homogeneous solution-type reactor is powered, and control Vehicular accumulator cell
Air inlet grid is powered on；
In this step, after coolant temperature meets engine start request, it is also necessary to control engine charge and reach
Engine start request after Vehicular accumulator cell stopping is powered the homogeneous solution-type reactor, controls described vehicle-mounted in this step
Battery stopping powers on air inlet grid, is heated by the air inlet grid to engine charge；
Step S107: judging whether the temperature of the air inlet grid reaches engine start condition, when the air inlet grid
Temperature when reaching engine start condition, execute step S108；Otherwise, this step is continued to execute；
In this step, after the on-vehicle battery powers on the air inlet grid, air inlet grid temperature is increased, to flowing through
The air inlet of the air inlet grid is heated, when the temperature of the air inlet grid reaches the second preset temperature, flow through it is described into
The temperature of the air inlet of gas grid can also rise to certain value or more, show that the temperature of the air inlet grid reaches engine and rises at this time
Dynamic condition；
Step S108: the control signal for controlling engine start is exported.
By technical solution disclosed in the above embodiments of the present application, after entire car controller powers on, and engine meets low temperature
When starting conditions, control homogeneous solution-type reactor heats coolant liquid, when the temperature of coolant liquid meets engine start condition, then it is right
The air inlet grid is heated, after the air inlet grid meets engine start condition, across-the-line starting engine, thus real
The automatic starting for having showed engine, the case where being not in that coolant temperature is too low or battery excessive power consumption.
Further, disclosed in the embodiment of the present application in technical solution, also to " entire car controller powers on " carried out into
One step limits.In the prior art, if vehicle is started by button ignition switch, it usually needs by just may be used by button ignition switch twice
Realize vehicle launch, wherein press the button ignition switch for the first time, effect is powered on to entire car controller, and second by described
Button ignition switch is only to engine ignition, in the present solution, if user presses a button ignition switch when vehicle is push button start
It can be detected " entire car controller powers on " in step S101, therefore be directed to for such case, this programme can trigger
One time button ignition switch can start engine.If vehicle is the vehicle started using conventional key, described in step S101
When DE " entire car controller powers on " also refers to ignition switch and is in ON gear.It is directed to the feelings that ignition switch is in ON gear
Condition, as long as at this point, detecting that ignition switch is in ON grades, i.e., it is believed that the entire car controller powers on, without user again by point
Fire switch is screwed onto START grades and lights a fire to engine.It is directed to the demand that user has started without starting in some cases,
It is also required to the case where ignition switch is in ON grades, starts chance error to start in order to prevent, " entire car controller powers on " can be with
When referring to that ignition switch reached START grades within a upper period, that is, ignition switch existed within a upper period to be entered
When START grades of state, that is, think " entire car controller powers on ", at this time then ignition switch can be screwed into START grades by user
It unclamps ignition switch at once again, makes it restore to ON grades, at this point, the judging result of step S101 is yes, execution the application implementation
Scheme disclosed in example.
Disclosed in the embodiment of the present application in technical solution, the temperature of the detection coolant liquid and air inlet grid can be passed through
Mode, it is still, this to judge whether temperature and the temperature of air inlet grid of the coolant liquid reach engine start condition
Determination strategy needs to be added corresponding sensor, increases vehicle cost, in this regard, the application can also be by judging heating time
Mode whether reach engine start condition come the temperature and the temperature of air inlet grid for judging the coolant liquid, that is, judge institute
Whether the heating duration for stating homogeneous solution-type reactor and air inlet grid reaches setting duration, if so, showing that the temperature of the coolant liquid reaches
Engine start condition.It is referring to fig. 2, described by taking whether the temperature for judging coolant liquid reaches engine start condition as an example
Judge whether the temperature of the coolant liquid reaches engine start condition, can specifically include:
Step S201: judging whether the temperature of the coolant liquid reaches the first preset temperature, if so, showing the cooling
The temperature of liquid reaches engine start condition, executes step S106；Or, step S202: judge the homogeneous solution-type reactor to coolant liquid into
Whether the heating time of row heating reaches the first preset duration, if so, showing that the temperature of the coolant liquid reaches engine and rises
Dynamic condition, executes step S106.Both above-mentioned determination strategy can select an execution.
For a upper embodiment, in different motivation water temperature signals, oil temperature signal, intake air temperature signals and ring
Under the temperature signal of border, when engine start the temperature of required coolant liquid it is different, can in this programme in order to guarantee to have started starting
To acquire one or more letters in motivation water temperature signal, oil temperature signal, intake air temperature signals and/or ambient temperature signal
Number, using the minimum temperature in these signals as target temperature, search to obtain and the target temperature based on the first default mapping table
Spend the first preset temperature to match or the first preset duration；Specifically, referring to fig. 2, before the step S201 and S202, also
May include:
Step S301: engine water temperature signal, oil temperature signal, intake air temperature signals and/or environment temperature letter are obtained
Number；
Step S302: select minimum temperature signal in collected each temperature signal believe as target temperature
Number；
Step S303: it is tabled look-up, is obtained and the target to the first default mapping table based on the target temperature signal
The first preset temperature and the first preset time that temperature signal matches, wherein be stored in the first default mapping table with
The first preset temperature and the first preset time that each target temperature matches.
Disclosed in the embodiment of the present application in technical solution, in order to realize being rapidly heated for coolant liquid and air inlet grid, this
Application can also calculate the difference between the temperature of coolant liquid and the first preset temperature, or calculate the starting time of homogeneous solution-type reactor
With the difference of the first preset duration, the output power of the homogeneous solution-type reactor is adjusted according to the difference, when difference is larger, homogeneous solution-type reactor
Output power is larger, and coolant temperature ascensional range is larger at this time, when the difference is smaller, the output power of homogeneous solution-type reactor compared with
Small, the temperature ascensional range of the coolant liquid is smaller；The temperature of the air inlet grid and the difference of the second preset temperature are calculated, or
The heating time of air inlet grid and the difference of the second preset time are calculated, the air inlet grid is added according to difference adjustment
Heat heating device output power, when difference is larger, output power is larger, at this time air inlet grid temperature ascensional range compared with
Greatly, when the difference is smaller, output power is smaller, and the temperature ascensional range of the air inlet grid is smaller.In this regard, above-mentioned side
In method, by taking the control mode of the homogeneous solution-type reactor as an example, after the control Vehicular accumulator cell powers on homogeneous solution-type reactor, also wrap
It includes: according to the difference of first preset temperature and the coolant temperature, adjusting the output power of the homogeneous solution-type reactor, so that
The output power of the homogeneous solution-type reactor follows the reduction of the difference and reduces；Or, calculating the operating time of the homogeneous solution-type reactor, foundation
The difference of the operating time and the first preset duration adjusts the output power of the homogeneous solution-type reactor, so that the homogeneous solution-type reactor
Output power follows the reduction of the difference and reduces.
Disclosed in the embodiment of the present application in technical solution, user can also judge whether to start this Shen according to user demand
What please be provided starts start-up strategy, if user needs vehicle to quick start or do not need homogeneous solution-type reactor to cold under certain conditions
But when liquid is heated, homogeneous solution-type reactor heating function can be closed by heating start signal selection switch, at this point, vehicle can be by
More solito start-up function is operated, at this point, directly heating automatically to air-inlet grille when vehicle is in cold state.It is right
This, in the above method, before judging whether engine meets cold-starting condition, further includes:
Whether judge to heat start signal selection switch in start position, if so, continue to execute, otherwise, if so,
Control Vehicular accumulator cell powers on air inlet grid, to heat the air inlet grid, judges whether to get igniting
Signal, if so, and controlling engine start.
By technical solution disclosed in the above embodiments of the present application as it can be seen that above scheme has the advantage that
1, vehicle carries out cold start and key starting may be implemented under low temperature environment, reduces driver's operating procedure, improves cold
Start success rate.
2, homogeneous solution-type reactor working condition can be precisely controlled according to specific environment temperature, reduction artificially judges not
Accuracy.
3, the state that can accurately cooperate with processing air inlet grid heating and kettle stove heating, reduces the maloperation of driver,
Cold-starting is caused to fail.
4, the learning cost of driver's cold-starting operation is reduced.
Corresponding to engine starting method disclosed in above-described embodiment, disclosed herein as well is a kind of engine start dresses
It sets, the specific works content of each unit in the engine starting gear refers to the content of above method embodiment, under
Be described in face of engine starting gear provided by the embodiments of the present application, engine starting gear described below with retouch above
The engine starting gear stated can correspond to each other reference, and referring to Fig. 3, the engine starting gear may include:
Cold-starting judging unit 100, for judging whether engine meets cold-starting when entire car controller powers on
Condition；
Homogeneous solution-type reactor control unit 200, for when engine meets cold-starting condition, controlling Vehicular accumulator cell to kettle
Furnace is powered on, and is heated with controlling homogeneous solution-type reactor to coolant liquid；Judge whether the temperature of the coolant liquid reaches engine and rise
Dynamic condition controls the Vehicular accumulator cell and stops to the water when the temperature of the coolant liquid reaches engine start condition
Boiler is heated, and exports trigger signal to grid control unit；
Grid control unit 300, for when getting trigger signal, control Vehicular accumulator cell to carry out air inlet grid
Electricity judges whether the temperature of the air inlet grid reaches engine start condition to heat to the air inlet grid, works as institute
When stating the temperature of air inlet grid and reaching engine start condition, trigger signal is exported to engine start unit；
Engine start unit 400, for exporting the control for controlling engine start when getting trigger signal
Signal.
It corresponds to the above method, the cold-starting judging unit 100 leads to when judging whether entire car controller powers on
Following manner is crossed to be judged:
If vehicle is started by button ignition switch, it usually needs risen by the way that vehicle just can be achieved by button ignition switch twice
It is dynamic, wherein to press the button ignition switch for the first time, effect is powered on to entire car controller, presses the button ignition switch for the second time,
It is to engine ignition, in the present solution, if user can be detected step by a button ignition switch when vehicle is push button start
" entire car controller powers on " in rapid S101, therefore be directed to for such case, this programme can trigger a button ignition switch
Engine can be started.If vehicle is the vehicle started using conventional key, DE " entire car controller described in step S101
Power on " when also referring to ignition switch and being in ON gear.It is directed to the case where ignition switch is in ON gear, as long as at this point,
It detects that ignition switch is in ON grades, i.e., it is believed that the entire car controller powers on, is again screwed onto ignition switch without user
START grades are lighted a fire to engine.User is directed in some cases without starting the demand started, it is also desirable to by point
The case where fire switch is in ON grades, starts chance error to start, " entire car controller powers on " also refers to light a fire in order to prevent
When switch reached START grades within a upper period, that is, ignition switch existed within a upper period into START grades
When state, that is, think " entire car controller powers on ", ignition switch can be screwed into START grades and then unclamped at once again by user at this time
Ignition switch makes it restore to ON grades, at this point, the judging result of step S101 is yes, side disclosed in execution the embodiment of the present application
Case.
It corresponds to the above method, whether the homogeneous solution-type reactor control unit 200 reaches in the temperature for judging the coolant liquid
When engine start condition, it is specifically used for:
Judge whether the temperature of the coolant liquid reaches the first preset temperature, if so, showing the temperature of the coolant liquid
Reach engine start condition；
Or, whether the heating time for judging that the homogeneous solution-type reactor heats coolant liquid reaches the first preset duration, if
It is to show that the temperature of the coolant liquid reaches engine start condition.
The grid control unit 300 when whether the temperature for judging the air inlet grid reaches engine start condition,
It is specifically used for:
Judge whether the temperature of the air inlet grid reaches engine start condition, or judges the heating of the air inlet grid
Whether duration reaches setting duration, if so, showing that the temperature of the coolant liquid reaches engine start condition.
It corresponds to the above method, whether the homogeneous solution-type reactor control unit 200 reaches in the temperature for judging the coolant liquid
Before engine start condition, it is also used to:
Obtain engine water temperature signal, oil temperature signal, intake air temperature signals and/or ambient temperature signal；
Select minimum temperature signal in collected each temperature signal as target temperature signal；
It is tabled look-up, is obtained and the target temperature signal phase to the first default mapping table based on the target temperature signal
Matched first preset temperature and the first preset time.
It corresponds to the above method, the homogeneous solution-type reactor control unit 200 carries out homogeneous solution-type reactor in control Vehicular accumulator cell
After electricity, it is also used to:
According to the difference of first preset temperature and the coolant temperature, the output power of the homogeneous solution-type reactor is adjusted,
So that the output power of the homogeneous solution-type reactor follows the reduction of the difference and reduces；
Or, calculating the operating time of the homogeneous solution-type reactor, according to the difference of the operating time and the first preset duration, adjust
The output power of the homogeneous solution-type reactor, so that the output power of the homogeneous solution-type reactor follows the reduction of the difference and reduces.
It corresponds to the above method, the cold-starting judging unit 100 judges to send out after entire car controller powers on
Before whether motivation meets cold-starting condition, it is also used to:
Judge to heat start signal selection switch whether in start position, if so, it is single to trigger the homogeneous solution-type reactor control
Member work, otherwise, if so, control Vehicular accumulator cell powers on air inlet grid, to be heated to the air inlet grid,
And control engine start.
Further, referring to fig. 4, engine starting gear disclosed in the above embodiments of the present application can integrate in vehicle control
In device processed, at this point, the entire car controller temperature signal collection end acquisition coolant temperature signal, oil temperature signal, into
First output end of temperature signal and ambient temperature signal, the entire car controller is connected by control line with homogeneous solution-type reactor, is used
In the working condition for controlling homogeneous solution-type reactor by output signal, the second output terminal of the entire car controller and air inlet are used for air inlet
The heating equipment that grid is heated is connected, and the working condition of air inlet grid heating equipment is controlled by output signal, thus real
Now the temperature of air inlet grid is controlled.
For convenience of description, it is divided into various modules when description system above with function to describe respectively.Certainly, implementing this
The function of each module can be realized in the same or multiple software and or hardware when application.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.System and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
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 process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
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 engine starting method characterized by comprising
When entire car controller powers on, judge whether engine meets cold-starting condition；
When engine meets cold-starting condition, control Vehicular accumulator cell powers on homogeneous solution-type reactor, to control homogeneous solution-type reactor pair
Coolant liquid is heated；
Judge whether the temperature of the coolant liquid reaches engine start condition, is risen when the temperature of the coolant liquid reaches engine
When dynamic condition, controls the Vehicular accumulator cell stopping and the homogeneous solution-type reactor is heated, and control Vehicular accumulator cell to air inlet grill
Lattice are powered on, to heat to the air inlet grid；
Judge whether the temperature of the air inlet grid reaches engine start condition, starts when the temperature of the air inlet grid reaches
When machine starting conditions, the control signal for controlling engine start is exported.
2. engine starting method according to claim 1, which is characterized in that the temperature of the judgement coolant liquid is
It is no to reach engine start condition, comprising:
Judge whether the temperature of the coolant liquid reaches the first preset temperature, if so, showing that the temperature of the coolant liquid reaches
Engine start condition.
3. engine starting method according to claim 2, which is characterized in that the temperature of the judgement coolant liquid is
It is no reach engine start condition before, further includes:
Obtain engine water temperature signal, oil temperature signal, intake air temperature signals and/or ambient temperature signal；
Select minimum temperature signal in collected each temperature signal as target temperature signal；
It is tabled look-up based on the target temperature signal to the first default mapping table, obtains matching with the target temperature signal
The first preset temperature.
4. engine starting method according to claim 2, which is characterized in that the control Vehicular accumulator cell is to homogeneous solution-type reactor
After being powered on, further includes:
According to the difference of first preset temperature and the coolant temperature, the output power of the homogeneous solution-type reactor is adjusted, so that
The output power for obtaining the homogeneous solution-type reactor follows the reduction of the difference and reduces.
5. engine starting method according to claim 1, which is characterized in that after entire car controller powers on, judgement
Whether engine meets before cold-starting condition, further includes:
Whether judge to heat start signal selection switch in start position, if so, continuing to execute, otherwise, if so, control
Vehicular accumulator cell powers on air inlet grid, to heat the air inlet grid, judges whether to get ignition signal,
If so, and controlling engine start.
6. a kind of engine starting gear characterized by comprising
Cold-starting judging unit, for judging whether engine meets cold-starting condition when entire car controller powers on；
Homogeneous solution-type reactor control unit, for when engine meets cold-starting condition, control Vehicular accumulator cell to carry out homogeneous solution-type reactor
It powers on, is heated with controlling homogeneous solution-type reactor to coolant liquid；Judge whether the temperature of the coolant liquid reaches engine start condition,
When the temperature of the coolant liquid reaches engine start condition, controls the Vehicular accumulator cell and stop carrying out the homogeneous solution-type reactor
Heating exports trigger signal to grid control unit；
Grid control unit powers on air inlet grid for controlling Vehicular accumulator cell, to add to the air inlet grid
Heat, judges whether the temperature of the air inlet grid reaches engine start condition, starts when the temperature of the air inlet grid reaches
When machine starting conditions, trigger signal is exported to engine start unit；
Engine start unit, for exporting the control signal for controlling engine start.
7. engine starting gear according to claim 6, which is characterized in that the homogeneous solution-type reactor control unit is judging
When stating the temperature of coolant liquid and whether reaching engine start condition, it is specifically used for:
Judge whether the temperature of the coolant liquid reaches the first preset temperature, if so, showing that the temperature of the coolant liquid reaches
Engine start condition.
8. engine starting gear according to claim 7, which is characterized in that the homogeneous solution-type reactor control unit is judging
State coolant liquid temperature whether reach engine start condition before, be also used to:
Obtain engine water temperature signal, oil temperature signal, intake air temperature signals and/or ambient temperature signal；
Select minimum temperature signal in collected each temperature signal as target temperature signal；
It is tabled look-up based on the target temperature signal to the first default mapping table, obtains matching with the target temperature signal
The first preset temperature.
9. engine starting gear according to claim 7, which is characterized in that the homogeneous solution-type reactor control unit is in control vehicle
After load battery powers on homogeneous solution-type reactor, it is also used to:
According to the difference of first preset temperature and the coolant temperature, the output power of the homogeneous solution-type reactor is adjusted, so that
The output power for obtaining the homogeneous solution-type reactor follows the reduction of the difference and reduces.
10. engine starting gear according to claim 6, which is characterized in that cold-starting judging unit, in vehicle control
After device processed powers on, before judging whether engine meets cold-starting condition, it is also used to:
Judge to heat start signal selection switch whether in start position, if so, triggering the homogeneous solution-type reactor control unit work
Make, otherwise, if so, control Vehicular accumulator cell powers on air inlet grid, to be heated to the air inlet grid, judgement
Whether ignition signal is got, if so, and controlling engine start.
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| CN201811631652.XA CN109458265B (en) | 2018-12-29 | 2018-12-29 | Engine starting method and device |
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|---|---|---|---|
| CN201811631652.XA CN109458265B (en) | 2018-12-29 | 2018-12-29 | Engine starting method and device |
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| CN109458265B CN109458265B (en) | 2022-06-28 |
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| CN110262301A (en) * | 2019-04-02 | 2019-09-20 | 泰州腾翔信息科技有限公司 | Big data analysis control platform |
| CN111520271A (en) * | 2020-04-22 | 2020-08-11 | 东风越野车有限公司 | Auxiliary starting control method for engine of off-road vehicle in plateau high-cold environment |
| CN112012862A (en) * | 2020-09-01 | 2020-12-01 | 潍柴动力股份有限公司 | Starter control method and device, whole vehicle control system and mining truck |
| CN113550833A (en) * | 2021-08-31 | 2021-10-26 | 徐州徐工矿业机械有限公司 | Method for controlling initial starting rotating speed of excavator engine based on oil liquid balance |
| CN114033566A (en) * | 2021-11-29 | 2022-02-11 | 潍柴动力股份有限公司 | Intake air heating control method, electronic control unit, generator set and vehicle |
| CN114109689A (en) * | 2021-12-14 | 2022-03-01 | 浙江吉利控股集团有限公司 | Methanol engine cold start control method and system and vehicle |
| CN114263540A (en) * | 2021-12-08 | 2022-04-01 | 潍柴动力股份有限公司 | Starting method and device of engine |
| CN114396346A (en) * | 2022-01-18 | 2022-04-26 | 潍柴动力股份有限公司 | Intake air heating control method and device, electronic equipment and computer storage medium |
| CN115076004A (en) * | 2022-07-12 | 2022-09-20 | 上海新动力汽车科技股份有限公司 | Opening control method for electric control engine air inlet preheating device for generator set during starting |
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| CN114109689A (en) * | 2021-12-14 | 2022-03-01 | 浙江吉利控股集团有限公司 | Methanol engine cold start control method and system and vehicle |
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