CN109839549A - The method of real-time and device of vehicle activation system working condition - Google Patents
The method of real-time and device of vehicle activation system working condition Download PDFInfo
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- CN109839549A CN109839549A CN201711193094.9A CN201711193094A CN109839549A CN 109839549 A CN109839549 A CN 109839549A CN 201711193094 A CN201711193094 A CN 201711193094A CN 109839549 A CN109839549 A CN 109839549A
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Abstract
This application provides the method for real-time and device of a kind of vehicle activation system working condition, this method and device are from vehicle user perspective, in vehicle each time start-up course, activation system working condition real-time monitoring system obtains start-up parameter actual value and enging cabin actual ambient temperature in vehicle start-up course first, then current power cabin environment temperature grade is determined according to enging cabin actual ambient temperature, and then determine the start-up parameter calibration value in current vehicle start-up course, then by comparing the size of start-up parameter actual value and start-up parameter calibration value in vehicle start-up course, to judge whether vehicle activation system working condition is normal, and when vehicle activation system working condition exception, issue the user with the abnormal warning of starting.In this way, user can know vehicle starting system working condition in real time during reality vehicle.
Description
Technical field
This application involves vehicle electric technical field more particularly to a kind of real-time monitorings of vehicle activation system working condition
Method and apparatus.
Background technique
Modern tradition power car (vehicle that power is gasoline and diesel engine) activation system is mainly by actuated type electric power storage
Pond, starter, ignition system, starting control ECU (Electronic Control Unit, electronic control unit), starting relay
The composition such as device and harness circuit.The effect of activation system is to convert mechanical energy for the electric energy of battery by starter, starting
Engine operating.Under normal conditions, battery provides energy needed for start-up course, while being also its in vehicle mounted electrical apparatus system
He powers at electronic component.When the ring tooth engagement on starter driving gear and engine flywheel periphery, starter produces when rotating
Raw electromagnetic torque passes to the crankshaft of engine by flywheel, makes engine start.
Currently, being vehicle manufacturers in the Automobile Design stage to the assessment of the working condition of traditional power vehicle activation system
Carry out, by detection vehicle under the conditions of subzero 30 degrees Celsius and room temperature (25 degrees Celsius), the time of vehicle launch and
Engine can be dragged to minimum speed requirement within the regular hour to assess vehicle starting system working condition.
However, the method for the existing assessment vehicle starting system working condition is confined under line and external equipment, use
Family can not know vehicle activation system working condition in real time, and user can not know that vehicle occurs starting abnormal feelings in advance
Condition just influences whether user's vehicle, causes user experience lower when startup separator occurs.
Summary of the invention
In view of this, this application provides the method for real-time and device of a kind of vehicle activation system working condition, with
So that user is known vehicle starting system working condition in real time, improves user experience.
In order to solve the above-mentioned technical problem, the application adopts the technical scheme that
A kind of method of real-time of vehicle activation system working condition, comprising:
Obtain the start-up parameter actual value and enging cabin actual ambient temperature in vehicle start-up course;
According between pre-set enging cabin environment temperature and enging cabin environment temperature grade relationship and institute
It states enging cabin actual ambient temperature and determines current power cabin environment temperature grade;
Work as according to the corresponding relationship determination between pre-set engine temperature grade and start-up parameter calibration value
Vehicle launch parameter calibration value under the environment temperature grade of front engine cabin;
Compare the size relation of the start-up parameter actual value Yu the vehicle launch parameter calibration value;
Judge that vehicle starts according to the size relation of the start-up parameter actual value and the vehicle launch parameter calibration value
Whether working state of system is normal;
When vehicle activation system working condition exception, carry out starting abnormal warning.
Optionally, the method also includes:
When vehicle activation system working condition exception, diagnosis causes the failure of vehicle activation system working condition exception former
Cause.
Optionally, it is described diagnose lead to the failure cause of vehicle activation system working condition exception after, further includes:
Prompt leads to the fault reason information and/or fault solution of vehicle activation system working condition exception.
Optionally, the start-up parameter includes battery discharge peak currents, battery moment drop-off voltage and engine
Drag revolving speed;The size relation according to the start-up parameter actual value and the vehicle launch parameter calibration value judges vehicle
Whether activation system working condition is normal, specifically includes:
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine dragging revolving speed are real
When actual value is respectively greater than its corresponding calibration value, it is determined that vehicle activation system working condition is normal;
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine dragging revolving speed are real
When at least one of actual value is not more than its corresponding calibration value, it is determined that vehicle activation system working condition is abnormal.
Optionally, described when vehicle activation system working condition exception, diagnosis leads to vehicle activation system working condition
Abnormal failure cause, specifically includes:
Judge whether the engine dragging rotary speed actual value is less than engine lowest limit revolving speed;
If the engine dragging rotary speed actual value is less than engine lowest limit revolving speed, judge that battery moment falls electricity
Whether compacting actual value is less than lowest limit voltage, if battery moment drop-off voltage actual value is less than lowest limit voltage, determines
The failure cause for leading to vehicle activation system working condition exception is battery malfunction;
If battery moment drop-off voltage actual value is not less than lowest limit voltage, determining causes vehicle activation system to work
The failure cause of abnormal state is starter failure cause or defective ignition switch;
If engine, which drags rotary speed actual value, is not less than engine lowest limit revolving speed, judge that engine dragging revolving speed is practical
Value whether be less than current power cabin environment temperature grade under engine drag revolving speed calibration value, if so, determine cause it is whole
The failure cause of vehicle activation system working condition exception be accumulator electric-quantity it is very low so that starter can drag engine but
Vehicle can not be started;If not, judging whether battery discharge peak currents actual value is less than current power cabin environment temperature
Whether battery discharge peak currents calibration value and battery moment drop-off voltage actual value under grade are less than current power
Battery moment drop-off voltage calibration value under cabin atmosphere temperature grade is worked as if battery discharge peak currents actual value is less than
Battery discharge peak currents calibration value and battery moment drop-off voltage actual value under the environment temperature grade of front engine cabin
Less than the battery moment drop-off voltage calibration value under current power cabin environment temperature grade, it is determined that lead to vehicle starting system
The failure cause for working condition exception of uniting is that accumulator electric-quantity is lower, so that vehicle can start but there are part start-up parameters
It is abnormal.
A kind of real-time monitoring device of vehicle activation system working condition, comprising:
Acquiring unit, for obtaining start-up parameter actual value and enging cabin actual environment temperature in vehicle start-up course
Degree;
First determination unit, for according to pre-set enging cabin environment temperature and enging cabin environment temperature grade
Between relationship and the enging cabin actual ambient temperature determine current power cabin environment temperature grade;
Second determination unit, for according to pair between pre-set engine temperature grade and start-up parameter calibration value
It should be related to the vehicle launch parameter calibration value determined under the current power cabin environment temperature grade;
Comparing unit is closed for the size of the start-up parameter actual value and the vehicle launch parameter calibration value
System;
Judging unit, for the size relation according to the start-up parameter actual value and the vehicle launch parameter calibration value
Judge whether vehicle activation system working condition is normal;
Alarm unit, for carrying out starting abnormal warning when vehicle activation system working condition exception.
Optionally, described device further include:
Diagnosis unit, for when vehicle activation system working condition exception, diagnosis to lead to vehicle activation system work shape
The failure cause of state exception.
Optionally, described device further include:
Prompt unit, fault reason information and/or failure for prompting to lead to vehicle activation system working condition exception
Solution.
Optionally, the start-up parameter includes battery discharge peak currents, battery moment drop-off voltage and engine
Drag revolving speed;
The judging unit, specifically includes:
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine dragging revolving speed are real
When actual value is respectively greater than its corresponding calibration value, it is determined that vehicle activation system working condition is normal;
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine dragging revolving speed are real
When at least one of actual value is not more than its corresponding calibration value, it is determined that vehicle activation system working condition is abnormal.
Optionally, the diagnosis unit specifically includes:
First judgment sub-unit, for judging whether the engine dragging rotary speed actual value is less than engine lowest limit
Revolving speed;
Second judgment sub-unit, if being less than engine lowest limit revolving speed for engine dragging rotary speed actual value,
Judge whether battery moment drop-off voltage actual value is less than lowest limit voltage, if battery moment drop-off voltage actual value is small
In lowest limit voltage, determining causes the failure cause of vehicle activation system working condition exception to be battery malfunction;
First determines subelement, if being not less than lowest limit voltage for battery moment drop-off voltage actual value, determines
The failure cause for leading to vehicle activation system working condition exception is starter failure cause or defective ignition switch;
Third judgment sub-unit is sentenced if being not less than engine lowest limit revolving speed for engine dragging rotary speed actual value
Whether disconnected engine dragging rotary speed actual value is less than the dragging revolving speed calibration of the engine under current power cabin environment temperature grade
Value, if so, determining causes the failure cause of vehicle activation system working condition exception to be that accumulator electric-quantity is very low, so that rising
Motivation can drag engine but can not start vehicle;
4th judgment sub-unit, if for engine dragging rotary speed actual value not less than current power cabin environment temperature etc.
Engine under grade drags revolving speed calibration value, judges whether battery discharge peak currents actual value is less than current power cabin ring
Whether battery discharge peak currents calibration value and battery moment drop-off voltage actual value under the temperature grade of border, which are less than, is worked as
Battery moment drop-off voltage calibration value under the environment temperature grade of front engine cabin, if battery discharge peak currents are practical
Value is less than the battery discharge peak currents calibration value under current power cabin environment temperature grade and battery moment falls electricity
It is compacted the battery moment drop-off voltage calibration value that actual value is less than under current power cabin environment temperature grade, it is determined that cause whole
The failure cause of vehicle activation system working condition exception is that accumulator electric-quantity is lower, so that vehicle can start but there are parts
Start-up parameter is abnormal.
Compared to the prior art, the application has the advantages that
The method of real-time of vehicle activation system working condition provided by the present application is from vehicle user perspective, in vehicle
Each time in start-up course, activation system working condition real-time monitoring system obtains the ginseng of the starting in vehicle start-up course first
Number actual value and enging cabin actual ambient temperature, then determine current power cabin according to enging cabin actual ambient temperature
Environment temperature grade, and then determine the start-up parameter calibration value in current vehicle start-up course, then start by comparing vehicle
The size of start-up parameter actual value and start-up parameter calibration value in the process, whether just to judge vehicle activation system working condition
Often, and when vehicle activation system working condition exception, the abnormal warning of starting is issued the user with.In this way, user is actually using vehicle
It can know vehicle starting system working condition in real time in the process.
Moreover, can know vehicle starting system working condition in real time by monitoring method user, thus, user can be with
Know that starting abnormal conditions occurs in vehicle in advance, and then vehicle is overhauled in time, in this way, reducing because vehicle cannot start
The possibility of user's vehicle is influenced, therefore, the method increase user experiences.
Detailed description of the invention
In order to which the specific embodiment of the application is expressly understood, used when the application specific embodiment is described below
Attached drawing do a brief description.It should be evident that these attached drawings are only the section Examples of the application.
Fig. 1 is the real-time monitoring system functional block diagram of vehicle activation system working condition provided by the embodiments of the present application;
Fig. 2 is the real-time monitoring system structural schematic diagram of vehicle activation system working condition provided by the embodiments of the present application;
Fig. 3 is the method for real-time flow diagram of vehicle activation system working condition provided by the embodiments of the present application;
Fig. 4 is that one of the method for real-time of vehicle activation system working condition provided by the embodiments of the present application specifically shows
The flow diagram of example;
Fig. 5 is the real-time monitoring device structural schematic diagram of vehicle activation system working condition provided by the embodiments of the present application;
Fig. 6 is the concrete structure schematic diagram of diagnosis unit provided by the embodiments of the present application.
Specific embodiment
The specific embodiment of the application is described in detail with reference to the accompanying drawing.
Start-up parameter value and enging cabin environment temperature when normally starting due to vehicle have close relation, different engines
Cabin environment temperature, start-up parameter value when corresponding vehicle normally starts are also different.Experiments have shown that in certain enging cabin environment
In temperature range, start-up parameter value when vehicle normally starts can be approximately uniform.Therefore, different enging cabins can be set
Environment temperature grade, interior each enging cabin environment temperature grade includes certain temperature range, in same enging cabin environment
Under different temperatures in temperature grade, it is believed that start-up parameter value when vehicle normally starts is identical.
Based on this, enging cabin environment temperature grade, different enging cabin rings are provided in vehicle launch monitoring system
Border temperature grade corresponds to different enging cabin ambient temperature ranges and start-up parameter value when different vehicles normally starts
That is start-up parameter calibration value.
As an example, enging cabin environment temperature table of grading can be as shown in table 1, it is equipped with 4 temperature grades: Level altogether
0-Level 3 respectively corresponds 4 different temperature ranges.
1 enging cabin environment temperature table of grading of table
Temperature grade | Level 0 | Level 1 | Level 2 | Level 3 |
Eng_Temp | - 30 DEG C~-15 DEG C | - 15 DEG C~0 DEG C | 0 DEG C~15 DEG C | 15 DEG C of ﹥ |
In addition, vehicle starting system is mainly by starting type accumulators, starter, ignition system, starting control ECU
The composition such as (Electronic Control Unit, electronic control unit), starting relay and harness circuit.Start-up course is such as
Under: battery provides energy needed for start-up course, while being also other electronic components power supply in vehicle mounted electrical apparatus system.When rise
When motivation drives the ring tooth engagement on gear and engine flywheel periphery, the electromagnetic torque that starter generates when rotating passes through flywheel
The crankshaft for passing to engine, makes engine start.Based on vehicle starting system and start-up course, for describing vehicle starting
The start-up parameter of working state of system may include battery start-up parameter and engine start parameter.As an example, battery
Start-up parameter includes but is not limited to following parameter:
Battery discharge peak currents, moment drop-off voltage, electric current during dragging, voltage during dragging,
Storage battery charge state (Battery_SOC;The full name of SOC is State of Charge, and Chinese means charged
State is also remaining capacity), (parameters such as Battery_SOH, the full name of SOH are Section Of to battery health status
Health, the Chinese meaning are accumulator capacity, health degree, performance state).
Engine start parameter includes but is not limited to following parameter:
Drag revolving speed and oil temperature.
The real-time monitoring principle of vehicle activation system working condition provided by the embodiments of the present application is described with reference to the accompanying drawing.
Fig. 1 is the real-time monitoring system functional block diagram of vehicle activation system working condition provided by the embodiments of the present application.As shown in Figure 1,
The real-time monitoring system functional block diagram include battery 11, starter 12, storage battery sensor 13, engine control module 14,
Start real-time monitoring device 15, alarming device 16, vehicle-mounted T-BOX 17 etc..
Wherein, alarming device 16 can (also referred to as man-machine interface, English name be known as Human Machine for man-machine interface
Interface is abbreviated as HMI) display interface, can also be can be with car entertainment host, background server and/or user hand
On machine APP.
The full name of vehicle-mounted T-BOX is Telematics Box.The vehicle-mounted T-BOX 17 is a part of car networking system.Its
In, car networking system includes four parts, respectively host, vehicle-mounted T-BOX, cell phone application and backstage.Host is mainly used for audio-visual
Amusement and information of vehicles are shown;Vehicle-mounted T-BOX is mainly used for communicating with background system/cell phone application, realizes the vehicle of cell phone application
Information is shown and control.After user sends control command by mobile phone terminal APP, monitoring request instruction can be issued from the background to vehicle
T-box is carried, vehicle sends control message by CAN bus and realize the control to vehicle, finally after getting control command
In feedback operation result to the cell phone application of user, only this function can help user remotely to start vehicle, open air-conditioning, adjust
Bed rearrangement chair is to suitable position etc..
The real-time monitoring principle of vehicle activation system working condition provided by the embodiments of the present application is as follows:
User issues the control instruction of starting vehicle by cell phone application, and then vehicle executes vehicle launch operation.Vehicle exists
During starting each time, the acquisition of storage battery sensor 13 being connected in 11 cathode newel post of battery characterizes accumulator property
Parameter, such as battery discharge peak currents, moment drop-off voltage, electric current during dragging, voltage during dragging, battery
These are characterized accumulator properties by LIN bus by battery sensor 13 by SOC information, the parameters such as battery health status
Parameter is sent to starting real-time monitoring device 15;At the same time, (in the embodiment of the present application, hair of engine control module 14
Motivation control module 14 can be engine controller or car body controller) control activation system routinely send out by operating mode starting
Motivation, i.e. battery are powered to starter 12, drive engine flywheel rotation, after reaching certain revolving speed requirement, starter 12 is small
Gear is detached from flywheel rim gear, starts engine, and engine control module 14 passes through CAN bus for enging cabin environment temperature
It is real-time that Eng_Temp and engine start parameter for example drag revolving speed Eng_RPM, oil temperature Oil_Temp is sent to starting
Monitoring device 15.Start real-time monitoring device 15 according to these parameters (including battery start-up parameter and engine start parameter)
To the real-time monitoring of vehicle activation system working condition.And the starting that starting real-time monitoring device 15 can recorde each time is joined
Number, storage judge to locally for self study and activation system working condition Long-term change trend.
It, will not if current and future anticipation activation system is working properly for the judging result of current one-shot
Actively prompt is in 16 interface prompt user of alarming device, but user can voluntarily check starting system by 16 interface of alarming device
Start-up parameter value in the history start-up course of system.
If start-up parameter is normal or can start vehicle but partial parameters exception, there are if the hidden danger of potential startup separator
It will be prompted to user's warning message at 16 interface of alarming device, it is proposed that maintenance related content.
If engine can not be dragged or have drag action but starting failure, will be prompted to use at 16 interface of alarming device
Family " vehicle starting system operation irregularity please check vehicle ".
In addition, while prompting user's " vehicle starting system operation irregularity please check vehicle ", starting real-time monitoring dress
The failure cause for leading to vehicle activation system operation irregularity can also be diagnosed by setting 15.And the failure cause that can be diagnosed to be this mentions
Show to user.Specific implementation can be with are as follows: in vehicle starting system operation irregularity, please check vehicle " prompt information continue
After such as 5 seconds a period of time, detected problem is prompted to user by subsequent start-up real-time monitoring device 15 simultaneously, prompts letter
It ceases and is displayed on car entertainment host, on background server and/or user mobile phone APP.
If the testing result for starting real-time monitoring device 15 is that accumulator electric-quantity is very low, user will be prompted to
" Warning: accumulator electric-quantity is very low, please pump and electrically activate vehicle ";If the testing result of starting real-time monitoring device 15 has been
Motivation failure or ignition switch signal are not input to dynastart end, then will be prompted to user " Warning: please check starter and
Ignition switch ";If the testing result for starting real-time monitoring device 15 is battery damage, it will be prompted to user and " Warning: ask
Replace battery ".
Starting real-time monitoring device 15 is introduced with reference to the accompanying drawing according to start-up parameter to vehicle activation system working condition
Real-time monitoring specific implementation.
The structure of the real-time monitoring system of the vehicle activation system working condition of the embodiment of the present application use is introduced first.Figure
2 be the real-time monitoring system structural schematic diagram of vehicle activation system working condition provided by the embodiments of the present application.As shown in Fig. 2,
The real-time monitoring system may include:
Storage battery sensor 13, engine control module 14, starting real-time monitoring device 15, alarming device 16.
Wherein, in each start-up course of vehicle, storage battery sensor 13 acquires battery start-up parameter, as an example,
The battery start-up parameter includes but is not limited to following several: battery discharge peak currents, moment drop-off voltage, during dragging
Electric current, voltage during dragging, storage battery charge state and battery health status.
Engine control module 14 obtains enging cabin environment temperature and engine start ginseng in vehicle start-up course
Number, as an example, engine start parameter may include dragging revolving speed and oil temperature.Engine control module 14 is obtained
The enging cabin environment temperature in vehicle start-up course and engine start parameter got are transmitted to starting real-time monitoring dress
Set 15.
Start real-time monitoring device 15 according to pre-set enging cabin environment temperature and enging cabin environment temperature etc.
Relationship and the enging cabin actual ambient temperature between grade determine current power cabin environment temperature grade;According to preparatory
Corresponding relationship between the engine temperature grade and start-up parameter calibration value of setting determines the current power cabin environment temperature
Spend the vehicle launch parameter calibration value under grade;Compare the start-up parameter actual value and the vehicle launch parameter calibration value
Size relation;Judge that vehicle starts according to the size relation of the start-up parameter actual value and the vehicle launch parameter calibration value
Whether working state of system is normal;When vehicle activation system working condition exception, it is abnormal alert that starting is issued to alarming device 16
Show.
Alarming device 16 shows that received starting warns extremely, so that user's equal energy in each vehicle start-up course
Perceive vehicle activation system working condition.
In addition, the failure cause for causing vehicle starting abnormal is varied, for example, battery in vehicle activation system
Serious power shortage, there are unknown wake sources to lead to excessive vehicle quiescent current, starter failure, ignition switch signal etc. for vehicle.
Because user is generally not special automotive expert, so, user is difficult rapidly and accurately to find failure cause.Therefore,
It is the exception of activation system working condition caused by what reason to allow user rapidly and accurately to know, in the embodiment of the present application
In, starting real-time monitoring device 15 can be also used for when vehicle activation system working condition exception, and diagnosis causes vehicle to open
The failure cause of dynamic working state of system exception.And it is being diagnosed to be the failure cause for leading to vehicle activation system working condition exception
Afterwards, the fault reason information and/or failure of vehicle activation system working condition exception are caused by the prompt user of alarming device 16
Solution.
The real-time monitoring system of the vehicle activation system working condition provided based on the above embodiment, the embodiment of the present application is also
Provide the specific embodiment of the method for real-time of vehicle activation system working condition.
Fig. 3 is the method for real-time flow diagram of vehicle activation system working condition provided by the embodiments of the present application.
As shown in figure 3, the method for real-time includes:
Start-up parameter actual value and enging cabin actual ambient temperature in S301, acquisition vehicle start-up course.
As an example, the start-up parameter in vehicle start-up course may include battery start-up parameter and engine start ginseng
Number.
Battery start-up parameter includes but is not limited to following parameter: battery discharge peak currents, moment drop-off voltage drag
Electric current during dynamic, voltage during dragging, storage battery charge state (Battery_SOC;The full name of SOC is State of
Charge, Chinese mean state-of-charge, are also remaining capacity), battery health status (parameters such as Battery_SOH, SOH
Full name be Section Of Health, Chinese the meaning be accumulator capacity, health degree, performance state).
Engine start parameter includes but is not limited to following parameter: dragging revolving speed and oil temperature.
S302, according to the relationship between pre-set enging cabin environment temperature and enging cabin environment temperature grade with
And the enging cabin actual ambient temperature determines current power cabin environment temperature grade.
As an example, the relationship between pre-set enging cabin environment temperature and enging cabin environment temperature grade can
Think shown in above-mentioned table 1.The enging cabin actual ambient temperature got is 10 DEG C, it is determined that current power cabin environment temperature
Grade is Level2.
S303, institute is determined according to the corresponding relationship between pre-set engine temperature grade and start-up parameter calibration value
State the vehicle launch parameter calibration value under current power cabin environment temperature grade.
The size relation of start-up parameter actual value described in S304, comparison and the vehicle launch parameter calibration value.
S305, vehicle is judged according to the size relation of the start-up parameter actual value and the vehicle launch parameter calibration value
Whether activation system working condition is normal.
The embodiment of the present application is previously provided with the assessment whether normal start-up parameter index of activation system working condition.This is opened
Whether the numerical values recited of dynamic parameter index is able to reflect activation system working condition normally.Wherein, reflection activation system work shape
The numerical value of start-up parameter index when state is normal is vehicle launch parameter calibration value.
Therefore, vehicle can be judged according to the size relation of start-up parameter actual value and the vehicle launch parameter calibration value
Whether activation system working condition is normal.
S306, when vehicle activation system working condition exception, carry out starting abnormal warning.
In order to prompt user's activation system operation irregularity, facilitates user to overhaul vehicle in advance, avoid influence vehicle, work as vehicle
When activation system working condition exception, carry out starting abnormal warning.
As an example, starting real-time monitoring device 15 can issue the abnormal warning instruction of starting to alarming device 16, pass through
Alarming device 16 shows abnormal information warning, realizes the effect that starting warns extremely.In this way, activation system may be implemented
The visualization real-time monitoring of working condition.
It is to be appreciated that in the embodiment of the present application, can need to remind only in vehicle activation system working condition exception
When user, just carry out starting abnormal warning.And when vehicle activation system working condition is normal, it can be without warning, with section
About resource.Certainly, as the extension of the embodiment of the present application, can also when vehicle activation system working condition is normal, also into
Row starting state prompt, at this point, prompt starting state is normal, so that user feels at ease using vehicle.
In addition, be the exception of activation system working condition caused by what reason to allow user rapidly and accurately to know,
In the method for real-time of the vehicle activation system working condition of above-mentioned offer can with comprising steps of
S307, when vehicle activation system working condition exception, diagnosis causes vehicle activation system working condition abnormal
Failure cause.
In order to remind user to repair in time or renewal part, when improving vehicle technology sense, and reducing the following starting vehicle
The risk of startup separator occurs, the method for real-time of vehicle activation system working condition described above can also include step
It is rapid:
S308, control alarming device 16 prompt cause vehicle activation system working condition exception fault reason information and/
Or fault solution.
When the failure cause of starting real-time monitoring device 15 being diagnosed to be, start real-time monitoring device 15 then to alarming device
16, which issue prompt, causes the control of the fault reason information and/or fault solution of vehicle activation system working condition exception to refer to
It enables, alarming device 16 issues the user with warning message according to the control instruction.
As an example, if the failure cause of starting real-time monitoring device 15 being diagnosed to be is that accumulator electric-quantity is very low,
Alarming device 16 will be prompted to user's warning message: " Warning: accumulator electric-quantity is very low, please pump and electrically activate vehicle ";
If starting real-time monitoring device 15 the failure cause being diagnosed to be starter failure or ignition switch signal not
It is input to dynastart end, then alarming device 16 will be prompted to user's warning message: " Warning: please check that starter and igniting are opened
It closes ";
If the failure cause being diagnosed to be for starting real-time monitoring device 15 is battery damage, alarming device 16 be will be prompted to
User's warning message: " battery Warning: please be replace ".
In addition, in the above-described embodiments, in the monitoring process of the working condition of vehicle activation system each time, starting is real
When monitoring device 15 can also record start-up parameter each time, storage is worked shape for self study and activation system to local
The judgement of state Long-term change trend.In addition, user can also be as needed since start-up parameter is stored to local, starting system is voluntarily checked
Start-up parameter value in the history start-up course of system.
The above are the specific implementations of the method for real-time of vehicle activation system working condition provided by the embodiments of the present application
Mode.In this specific embodiment, from vehicle user perspective, in vehicle each time start-up course, activation system work
Make real-time monitoring system for state and obtains start-up parameter actual value and enging cabin actual environment temperature in vehicle start-up course first
Then degree determines current power cabin environment temperature grade according to enging cabin actual ambient temperature, and then determine current whole
Start-up parameter calibration value in vehicle start-up course, then by comparing the start-up parameter actual value and starting in vehicle start-up course
The size of parameter calibration value to judge whether vehicle activation system working condition is normal, and works as vehicle activation system working condition
When abnormal, the abnormal warning of starting is issued the user with.In this way, user can in vehicle start-up course real-time monitoring activation system
Start-up parameter, and user can know vehicle starting system working condition in real time during reality vehicle.
Moreover, can know vehicle starting system working condition in real time by monitoring method user, thus, user can be with
Know that starting abnormal conditions occurs in vehicle in advance, and then vehicle is overhauled in time, in this way, reducing because vehicle cannot start
The possibility of user's vehicle is influenced, therefore, the method increase user experiences.
In addition, in the embodiment of the present application, when activation system working condition exception, starting real-time monitoring device can be with
Automatically diagnosis leads to the failure cause of activation system working condition exception, and the failure cause is prompted to user, in this way, logical
Cross the mode of this automatic diagnosis activation system failure cause, can by the potential problem clew of activation system to user so that
User overhauls vehicle in advance, avoids casting anchor.
In order to be more clearly understood vehicle activation system working condition provided by the present application method of real-time tool
Body embodiment drags revolving speed as opening using battery discharge peak currents, battery moment drop-off voltage and engine below
The example of dynamic parameter, describes a specific example of the method for real-time of vehicle activation system working condition.
Revolving speed is being dragged as start-up parameter using battery discharge peak currents, battery moment drop-off voltage and engine
Example, describe vehicle activation system working condition method of real-time a specific example in, following concept can be used:
Battery discharge peak currents actual value and calibration value, battery moment drop-off voltage actual value and calibration value, engine dragging
Rotary speed actual value and calibration value and engine lowest limit revolving speed and battery lowest limit voltage.
Wherein, if the revolving speed of engine is lower than engine lowest limit revolving speed, then it represents that engine can not operate substantially.
When battery voltage is lower than battery lowest limit voltage, then it represents that battery is scrapped substantially.
For the convenience of description, different concepts is indicated with different symbols respectively, it is specific as follows:
Battery_Discarge_Current: battery discharge peak currents actual value;
Max_Discharge_Current: battery discharge peak currents calibration value;
Battery_Vol: battery moment drop-off voltage actual value;
Min_Vol: battery moment drop-off voltage calibration value;
Eng_RPM: engine drags rotary speed actual value;
Min_RPM: engine drags revolving speed calibration value;
Lim_RPM: engine lowest limit revolving speed;
Lim_Vol: battery lowest limit voltage.
Eng_Temp: enging cabin actual ambient temperature.
Fig. 4 is that one of the method for real-time of vehicle activation system working condition provided by the embodiments of the present application specifically shows
The flow diagram of example.As shown in figure 4, the specific example the following steps are included:
S401, the battery discharge peak currents actual value in acquisition vehicle start-up course, battery moment drop-off voltage
Actual value, engine dragging rotary speed actual value and enging cabin actual ambient temperature.
This step can be with specifically: in vehicle start-up course, starting real-time monitoring device 15 obtains storage battery sensor
13 collected Battery_Discarge_Current, Battery_Vol.In addition, starting real-time monitoring device 15 is also from hair
Its collected Eng_RPM and Eng_Temp is obtained in motivation control module 14.
S402, according to the relationship between pre-set enging cabin environment temperature and enging cabin environment temperature grade with
And the enging cabin actual ambient temperature determines current power cabin environment temperature grade.
As an example, the relationship between pre-set enging cabin environment temperature and enging cabin environment temperature grade can
Think shown in above-mentioned table 1.The enging cabin actual ambient temperature got is 10 DEG C, it is determined that current power cabin environment temperature
Grade is Level2.
S403, institute is determined according to the corresponding relationship between pre-set engine temperature grade and start-up parameter calibration value
State battery discharge peak currents calibration value under current power cabin environment temperature grade, moment drop-off voltage calibration value and
Drag revolving speed calibration value.
Work as according to the corresponding relationship determination between pre-set engine temperature grade and start-up parameter calibration value
Max_Discharge_Current, Min_Vol and Min_RPM under the environment temperature grade of front engine cabin.
S404, battery discharge peak currents actual value, moment drop-off voltage actual value and dragging revolving speed are respectively compared
Size relation between the corresponding calibration value of actual value.
This step specifically: be respectively compared Battery_Discarge_Current and Max_Discharge_Current
Size, the size of the size of Battery_Vol and Min_Vol and Eng_RPM and Min_RPM.
Work as Battery_Discarge_Current > Max_Discharge_Current, Battery_Vol > Min_Vol
And when Eng_RPM > Min_RPM, step S405 is executed;As three size relation Battery_Discarge_Current > Max_
When thering is at least one to be unsatisfactory in Discharge_Current, Battery_Vol > Min_Vol, Eng_RPM > Min_RPM, hold
Row step S406.
S405, determine that vehicle activation system working condition is normal.
S406, determine that vehicle activation system working condition is abnormal.
S407, control alarming device 16 issue the information warning of vehicle activation system working condition exception.
It is to be appreciated that in the embodiment of the present application, when monitor vehicle start the working state of system it is normal when, can not
Working condition regular prompt is issued, vehicle can be used normally in user.
In order to prompt user's activation system operation irregularity, after determining vehicle activation system working condition exception, starting is real
When monitoring device 15 can control alarming device 16 issue vehicle activation system working condition exception information warning.Warning letter
Breath for example can be with are as follows: " vehicle starting system operation irregularity please check vehicle ".
The real-time monitoring of the working condition to vehicle activation system may be implemented by above step S401 to S407.To
The working condition of vehicle starting system can be learnt in real time by being able to use family.
Moreover, can know vehicle starting system working condition in real time by monitoring method user, thus, user can be with
Know that starting abnormal conditions occurs in vehicle in advance, and then vehicle is overhauled in time, in this way, reducing because vehicle cannot start
The possibility of user's vehicle is influenced, therefore, the method increase user experiences.
In addition, in order to be diagnosed to be the failure cause of vehicle starting system operation irregularity, starting real-time monitoring device 15 is being supervised
When measuring vehicle activation system working condition exception, can also diagnose causes the failure of vehicle activation system working condition exception former
Cause.In this way, after step S407, can with the following steps are included:
S408, judge whether the engine dragging rotary speed actual value is less than engine lowest limit revolving speed, if so, holding
Row step S409, if not, executing step S413.
If the engine dragging rotary speed actual value is less than engine lowest limit revolving speed, because engine speed is lower than hair
When motivation lowest limit revolving speed, indicate engine can not operate substantially, therefore, in such a case, it is possible to determine starter without
Method drags engine operating.
In vehicle start-up course, battery provides energy needed for start-up course, if battery is scrapped, battery
Energy needed for start-up course can not be then provided, and then engine operating can not be dragged.And battery moment drop-off voltage energy
Whether the state for enough characterizing battery is good, therefore, in order to determine that starter can not drag the failure cause of engine operating, holds
Row step S409.
S409, judge whether battery moment drop-off voltage actual value is less than lowest limit voltage, if so, executing step
S410 to S411, if not, executing step S412 to S411.
S410, it determines that failure cause is battery malfunction, needs replacing battery.
S411, control alarming device 16 issue the warning message of failure cause and/or solution.
It is to be appreciated that being directed to different failure causes, the warning message that alarming device 16 issues is also different.Specifically, when
Determine that failure cause is battery malfunction, when needing replacing battery, the content of warning message can be with are as follows: battery malfunction needs
Replace battery.
When determining failure cause is starter failure or defective ignition switch, the content of warning message can be with are as follows:
Warning: starter and ignition switch please be check.
When determining that failure cause is that accumulator electric-quantity is very low, so that starter can drag engine but can not start vehicle
When, the content of warning message can be with are as follows: Warning: accumulator electric-quantity is very low, please pump and electrically activate vehicle.
S412, determine failure cause be starter failure perhaps defective ignition switch need inspection/replacement starter or
Check ignition switch/harness.
S413, judge whether engine dragging rotary speed actual value is less than under current power cabin environment temperature grade and starts
Machine drags revolving speed calibration value, if so, step S414 and S411 are executed, if not, executing step S415.
Eng_RPM<Min_RPM
S414, determine that starter can drag engine but can not start vehicle, starting failure determines failure cause to store
Battery capacity is very low, so that starter can drag engine but can not start vehicle.
S415, judge whether battery discharge peak currents actual value is less than under current power cabin environment temperature grade
Whether battery discharge peak currents calibration value and battery moment drop-off voltage actual value are less than current power cabin environment
Battery moment drop-off voltage calibration value under temperature grade, if so, step S416 is executed, if not, executing step S405.
Battery_Discarge_Current<Max_Discharge_Current
Battery_Vol<Min_Vol
S416, determining that vehicle can star but have part start-up parameter abnormal, failure cause is that accumulator electric-quantity is lower,
So that vehicle can start but there are part start-up parameter exceptions.In this case, starting working condition is not abnormal tight
Weight, needs to start immediately vehicle to storage battery power supply, sends a warning message without controlling alarming device.
The above are the application to be made with battery discharge peak currents, battery moment drop-off voltage and engine dragging revolving speed
For the example of start-up parameter, the specific embodiment of the method for real-time of corresponding vehicle activation system working condition.
In this specific embodiment, the real-time monitoring to vehicle activation system can not only be realized, additionally it is possible to which analysis is pre-
The health status of activation system, the failure cause of diagnosis activation system failure are surveyed, and fault cues existing for activation system are given
User avoids casting anchor so that user overhauls vehicle in advance.By the specific embodiment, the technology sense of vehicle can be improved.
In addition, in this specific embodiment, detection system can preferably be interacted with user, it is full to be conducive to promotion user
Meaning degree.
The monitoring method specific embodiment of the working condition of the vehicle activation system provided based on the above embodiment, this Shen
Please embodiment additionally provide vehicle activation system working condition monitoring device specific embodiment.Referring specifically to following reality
Apply example.
Fig. 5 is the monitoring device structural schematic diagram of the working condition of vehicle activation system provided by the embodiments of the present application.Such as
Shown in Fig. 5, which includes:
Acquiring unit 51, for obtaining start-up parameter actual value and enging cabin actual environment temperature in vehicle start-up course
Degree;
First determination unit 52, for according to pre-set enging cabin environment temperature and enging cabin environment temperature etc.
Relationship and the enging cabin actual ambient temperature between grade determine current power cabin environment temperature grade;
Second determination unit 53, for according between pre-set engine temperature grade and start-up parameter calibration value
Corresponding relationship determines the vehicle launch parameter calibration value under the current power cabin environment temperature grade;
Comparing unit 54 is closed for the size of the start-up parameter actual value and the vehicle launch parameter calibration value
System;
Judging unit 55, for being closed according to the size of the start-up parameter actual value and the vehicle launch parameter calibration value
System judges whether vehicle activation system working condition is normal;
Alarm unit 56, for carrying out starting abnormal warning when vehicle activation system working condition exception.
By the above unit, the monitoring device of the working condition of vehicle activation system be can be realized to activation system work shape
The real-time monitoring of state is able to use family and gets activation system working condition in real time.
In order to get the reason of causing activation system to fail, as the specific embodiment of the application, above-mentioned institute
The monitoring device stated can also include:
Diagnosis unit 57, for when vehicle activation system working condition exception, diagnosis to cause vehicle activation system to work
The failure cause of abnormal state.
In addition, another specific reality in order to allow user to get the failure cause being diagnosed to be in time, as the application
Example is applied, monitoring device described above can also include:
Prompt unit 58, for prompting the fault reason information for leading to vehicle activation system working condition exception and/or event
Hinder solution.
In the embodiment of the present application, start-up parameter may include battery discharge peak currents, battery moment falling electricity
Pressure and engine drag revolving speed.When start-up parameter is battery discharge peak currents, battery moment drop-off voltage and engine
When dragging revolving speed, judging unit 55 can be with specifically:
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine dragging revolving speed are real
When actual value is respectively greater than its corresponding calibration value, it is determined that vehicle activation system working condition is normal;
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine dragging revolving speed are real
When at least one of actual value is not more than its corresponding calibration value, it is determined that vehicle activation system working condition is abnormal.
In addition, the specific implementation in order to be diagnosed to be the specific failure cause for causing activation system to fail, as the application
Example, as shown in fig. 6, above-mentioned diagnosis unit 57 can be with specifically:
First judgment sub-unit 571, for judging it is minimum whether the engine dragging rotary speed actual value is less than engine
Limit speed;
Second judgment sub-unit 572, if turning for engine dragging rotary speed actual value less than engine lowest limit
Speed, judges whether battery moment drop-off voltage actual value is less than lowest limit voltage, if battery moment drop-off voltage is practical
Value is less than lowest limit voltage, and determining causes the failure cause of vehicle activation system working condition exception to be battery malfunction;
First determines subelement 573, if being not less than lowest limit voltage for battery moment drop-off voltage actual value, really
Surely the failure cause for leading to vehicle activation system working condition exception is starter failure cause or defective ignition switch;
Third judgment sub-unit 574, if being not less than engine lowest limit revolving speed for engine dragging rotary speed actual value,
Judge the engine dragging revolving speed mark whether engine dragging rotary speed actual value is less than under current power cabin environment temperature grade
Definite value, if so, determining causes the failure cause of vehicle activation system working condition exception very low for accumulator electric-quantity, so that
Starter can drag engine but can not start vehicle;
4th judgment sub-unit 575, if being not less than current power cabin environment temperature for engine dragging rotary speed actual value
The engine spent under grade drags revolving speed calibration value, judges whether battery discharge peak currents actual value is less than present engine
Whether the battery discharge peak currents calibration value and battery moment drop-off voltage actual value under the environment temperature grade of cabin are small
Battery moment drop-off voltage calibration value under current power cabin environment temperature grade, if battery discharge peak currents
Actual value is less than the battery discharge peak currents calibration value under current power cabin environment temperature grade and battery moment falls
Voltage actual value is fallen less than the battery moment drop-off voltage calibration value under current power cabin environment temperature grade, it is determined that lead
The failure cause for causing vehicle activation system working condition exception is that accumulator electric-quantity is lower, so that vehicle can start but exist
Part start-up parameter is abnormal.
The above are the specific embodiments of the application.
Claims (10)
1. a kind of method of real-time of vehicle activation system working condition characterized by comprising
Obtain the start-up parameter actual value and enging cabin actual ambient temperature in vehicle start-up course;
According between pre-set enging cabin environment temperature and enging cabin environment temperature grade relationship and the hair
Motivation cabin actual ambient temperature determines current power cabin environment temperature grade;
The current hair is determined according to the corresponding relationship between pre-set engine temperature grade and start-up parameter calibration value
Vehicle launch parameter calibration value under the environment temperature grade of motivation cabin;
Compare the size relation of the start-up parameter actual value Yu the vehicle launch parameter calibration value;
Vehicle activation system is judged according to the size relation of the start-up parameter actual value and the vehicle launch parameter calibration value
Whether working condition is normal;
When vehicle activation system working condition exception, carry out starting abnormal warning.
2. the method according to claim 1, wherein the method also includes:
When vehicle activation system working condition exception, diagnosis leads to the failure cause of vehicle activation system working condition exception.
3. according to the method described in claim 2, it is characterized in that, the diagnosis causes vehicle activation system working condition abnormal
Failure cause after, further includes:
Prompt leads to the fault reason information and/or fault solution of vehicle activation system working condition exception.
4. method according to claim 1-3, which is characterized in that the start-up parameter includes battery discharge peak
It is worth electric current, battery moment drop-off voltage and engine and drags revolving speed;It is described according to the start-up parameter actual value and the vehicle
The size relation of start-up parameter calibration value judges whether vehicle activation system working condition is normal, specifically includes:
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine drag rotary speed actual value
When being respectively greater than its corresponding calibration value, it is determined that vehicle activation system working condition is normal;
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine drag rotary speed actual value
At least one when being not more than its corresponding calibration value, it is determined that vehicle activation system working condition is abnormal.
5. according to the method described in claim 4, examining it is characterized in that, described when vehicle activation system working condition exception
The disconnected failure cause for leading to vehicle activation system working condition exception, specifically includes:
Judge whether the engine dragging rotary speed actual value is less than engine lowest limit revolving speed;
If the engine dragging rotary speed actual value is less than engine lowest limit revolving speed, judge that battery moment drop-off voltage is real
Whether actual value is less than lowest limit voltage, if battery moment drop-off voltage actual value is less than lowest limit voltage, determination causes
The failure cause of vehicle activation system working condition exception is battery malfunction;
If battery moment drop-off voltage actual value is not less than lowest limit voltage, determination leads to vehicle activation system working condition
Abnormal failure cause is starter failure cause or defective ignition switch;
If engine, which drags rotary speed actual value, is not less than engine lowest limit revolving speed, judge that engine dragging rotary speed actual value is
The no engine less than under current power cabin environment temperature grade drags revolving speed calibration value, if so, determination causes vehicle to open
The failure cause of dynamic working state of system exception is that accumulator electric-quantity is very low, so that starter can drag engine but can not
Start vehicle;If not, judging whether battery discharge peak currents actual value is less than current power cabin environment temperature grade
Under battery discharge peak currents calibration value and battery moment drop-off voltage actual value whether be less than current power cabin
Battery moment drop-off voltage calibration value under environment temperature grade, if battery discharge peak currents actual value is less than current hair
Battery discharge peak currents calibration value and battery moment drop-off voltage actual value under the environment temperature grade of motivation cabin are less than
Battery moment drop-off voltage calibration value under current power cabin environment temperature grade, it is determined that lead to vehicle activation system work
The failure cause for making abnormal state is that accumulator electric-quantity is lower, so that vehicle can start but there are part start-up parameter is different
Often.
6. a kind of real-time monitoring device of vehicle activation system working condition characterized by comprising
Acquiring unit, for obtaining start-up parameter actual value and enging cabin actual ambient temperature in vehicle start-up course;
First determination unit, for according between pre-set enging cabin environment temperature and enging cabin environment temperature grade
Relationship and the enging cabin actual ambient temperature determine current power cabin environment temperature grade;
Second determination unit, for according to the corresponding pass between pre-set engine temperature grade and start-up parameter calibration value
System determines the vehicle launch parameter calibration value under the current power cabin environment temperature grade;
Comparing unit, the size relation for the start-up parameter actual value and the vehicle launch parameter calibration value;
Judging unit, for being judged according to the size relation of the start-up parameter actual value and the vehicle launch parameter calibration value
Whether vehicle activation system working condition is normal;
Alarm unit, for carrying out starting abnormal warning when vehicle activation system working condition exception.
7. device according to claim 6, which is characterized in that described device further include:
Diagnosis unit, for when vehicle activation system working condition exception, diagnosis to cause vehicle activation system working condition different
Normal failure cause.
8. device according to claim 7, which is characterized in that described device further include:
Prompt unit, for prompting the fault reason information for leading to vehicle activation system working condition exception and/or failure to solve
Scheme.
9. according to the described in any item devices of claim 7-8, which is characterized in that the start-up parameter includes battery discharge peak
It is worth electric current, battery moment drop-off voltage and engine and drags revolving speed;
The judging unit, specifically includes:
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine drag rotary speed actual value
When being respectively greater than its corresponding calibration value, it is determined that vehicle activation system working condition is normal;
When battery discharge peak currents actual value, battery moment drop-off voltage actual value and engine drag rotary speed actual value
At least one when being not more than its corresponding calibration value, it is determined that vehicle activation system working condition is abnormal.
10. device according to claim 9, which is characterized in that the diagnosis unit specifically includes:
First judgment sub-unit turns for judging whether the engine dragging rotary speed actual value is less than engine lowest limit
Speed;
Second judgment sub-unit, if being less than engine lowest limit revolving speed, judgement for engine dragging rotary speed actual value
Whether battery moment drop-off voltage actual value is less than lowest limit voltage, if battery moment drop-off voltage actual value is less than most
Low limiting voltage, determining causes the failure cause of vehicle activation system working condition exception to be battery malfunction;
First determines subelement, if being not less than lowest limit voltage for battery moment drop-off voltage actual value, determination causes
The failure cause of vehicle activation system working condition exception is starter failure cause or defective ignition switch;
Third judgment sub-unit judges to send out if being not less than engine lowest limit revolving speed for engine dragging rotary speed actual value
Whether motivation dragging rotary speed actual value is less than the dragging revolving speed calibration value of the engine under current power cabin environment temperature grade, such as
Fruit is to determine that the failure cause of vehicle activation system working condition exception is caused to be that accumulator electric-quantity is very low, so that starter
Engine can be dragged but vehicle can not be started;
4th judgment sub-unit, if for engine dragging rotary speed actual value not less than under current power cabin environment temperature grade
Engine drag revolving speed calibration value, judge whether battery discharge peak currents actual value is less than current power cabin environment temperature
Whether battery discharge peak currents calibration value and battery moment drop-off voltage actual value under degree grade are less than current hair
Battery moment drop-off voltage calibration value under the environment temperature grade of motivation cabin, if battery discharge peak currents actual value is small
Battery discharge peak currents calibration value and battery moment drop-off voltage under current power cabin environment temperature grade is real
Actual value is less than the battery moment drop-off voltage calibration value under current power cabin environment temperature grade, it is determined that vehicle is caused to open
The failure cause of dynamic working state of system exception is that accumulator electric-quantity is lower, so that vehicle can start but there is part and start
Abnormal parameters.
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