CN108661776A - Thermal management algorithm, entire car controller and the vehicle of entire car controller - Google Patents
Thermal management algorithm, entire car controller and the vehicle of entire car controller Download PDFInfo
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- CN108661776A CN108661776A CN201810300488.8A CN201810300488A CN108661776A CN 108661776 A CN108661776 A CN 108661776A CN 201810300488 A CN201810300488 A CN 201810300488A CN 108661776 A CN108661776 A CN 108661776A
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- Prior art keywords
- entire car
- car controller
- engine
- fan
- signal
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/10—Indicating devices; Other safety devices
- F01M11/12—Indicating devices; Other safety devices concerning lubricant level
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/30—Engine incoming fluid temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/602—Pedal position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/606—Driving style, e.g. sporty or economic driving
Abstract
The invention discloses a kind of thermal management algorithm of entire car controller, entire car controller and vehicles.Wherein, the thermal management algorithm of entire car controller, including：Entire car controller detects the intake air temperature and coolant temperature of engine；Judge whether the intake air temperature and coolant temperature are located in preset calibration temperature range；If it is, the entire car controller sends rotation speed of the fan regulating command to fan, so that the fan carries out speed governing according to the rotation speed of the fan regulating command, until the intake air temperature and coolant temperature are located in preset calibration temperature range.The thermal management algorithm of the entire car controller of the present invention, can ensure that engine works at a suitable temperature by entire car controller, to promote the working efficiency and service life of engine.
Description
Technical field
The present invention relates to Trend of Auto Manufacturing Technologies field, more particularly to a kind of thermal management algorithm of entire car controller, vehicle control
Device and vehicle processed.
Background technology
As auto industry is grown rapidly, electric-control system becomes increasingly complex, and main engine plants are as leading position to Full Vehicle System
The demand for being designed planning is more and more stronger, such as：Control of the engine works to Core Feature, become limitation vehicle factor and its
An important factor for product develops.After the entire car controller of main engine plants' production, need with the engine controller of engine works etc.
It interacts.Control due to engine works to the Core Feature of engine controller leads to entire car controller and engine control
The interaction of device processed relies on the permission given with engine works influences entire car controller more to be limited by the restriction of engine works
Good, more power R ＆ D Level.By taking the heat management of engine as an example, engine controller is needed to be adjusted according to actual conditions
Temperature, and the entire car controller of main engine plants is at a complete loss as to what to do to this, to go wrong when engine control or other in the case of,
The operating temperature that may influence engine causes engine damage or working efficiency poor.
Invention content
The present invention is directed to solve at least to a certain extent it is above-mentioned in the related technology the technical issues of one of.
For this purpose, an object of the present invention is to provide a kind of thermal management algorithms of entire car controller.The entire car controller
Thermal management algorithm, can ensure that engine works at a suitable temperature by entire car controller, to, promotion is started
The working efficiency and service life of machine.
It is another object of the present invention to provide a kind of entire car controllers.
It is yet a further object of the present invention to provide a kind of vehicles.
To achieve the goals above, the first aspect of the present invention discloses a kind of air inlet of entire car controller detection engine
Temperature and coolant temperature；Judge whether the intake air temperature and coolant temperature are located in preset calibration temperature range；Such as
Fruit is that then the entire car controller sends rotation speed of the fan regulating command to fan, so that the fan is according to the rotation speed of the fan
Regulating command carries out speed governing, until the intake air temperature and coolant temperature are located in preset calibration temperature range.
The thermal management algorithm of entire car controller according to the ... of the embodiment of the present invention can ensure to send out by entire car controller
Motivation works at a suitable temperature, to promote the working efficiency and service life of engine.
In some instances, further include：The engine oil level height of the entire car controller detection engine；If the machine
Oily liquid level is in except preset scale liquid position altitude range, then sends engine oil level abnormal alarm signal.
In some instances, further include：The entire car controller receives brake signal；It is controlled and is sent out according to the brake signal
Motivation is braked and/or is controlled retarder and braked.
In some instances, further include：The entire car controller receives engine start/stopping and controls signal；According to institute
State startup/stopping of engine start/stopping control signal control engine.
In some instances, further include：The entire car controller calculates gear according to vehicle running state, alternatively, according to
Road conditions self-defining gear.
The embodiment of the second aspect of the present invention discloses a kind of entire car controller, and the entire car controller is sent out for detecting
The intake air temperature and coolant temperature of motivation, and judge whether the intake air temperature and coolant temperature are located at preset calibration temperature
It spends in range, and if it is, the entire car controller sends rotation speed of the fan regulating command to fan, so as to the fan root
Speed governing is carried out according to the rotation speed of the fan regulating command, until the intake air temperature and coolant temperature are located at preset calibration temperature
In range.
Entire car controller according to the ... of the embodiment of the present invention can ensure engine suitable by entire car controller
At a temperature of work, to, promote the working efficiency and service life of engine.
In some instances, the entire car controller is additionally operable to the engine oil level height of detection engine；If the machine
Oily liquid level is in except preset scale liquid position altitude range, then sends engine oil level abnormal alarm signal.
In some instances, the entire car controller is additionally operable to the entire car controller and receives brake signal, and according to institute
Brake signal control engine is stated to be braked and/or controlled retarder and braked.
In some instances, the entire car controller is additionally operable to receive engine start/stopping control signal, and according to institute
State startup/stopping of engine start/stopping control signal control engine.
The embodiment of the third aspect of the present invention discloses a kind of vehicle, including：According to any of the above-described a embodiment
Entire car controller.The vehicle can ensure that engine works at a suitable temperature by entire car controller, to promote hair
The working efficiency and service life of motivation.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage combination following accompanying drawings of the present invention in the description of embodiment to that will become
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the structure diagram of entire car controller according to an embodiment of the invention；
Fig. 2 is the schematic diagram of entire car controller according to an embodiment of the invention.
Fig. 3 is the flow chart of the thermal management algorithm of entire car controller according to an embodiment of the invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
Below in conjunction with attached drawing describe the thermal management algorithm of entire car controller according to the ... of the embodiment of the present invention, entire car controller and
Vehicle.
Before the thermal management algorithm for describing entire car controller according to the ... of the embodiment of the present invention, Fig. 1 and Fig. 2 pairs are combined first
The entire car controller of the embodiment of the present invention is described.
As shown in Figure 1, the structure diagram of the entire car controller for one embodiment of the invention, and Fig. 2 is combined, according to this hair
The entire car controller 100 of bright one embodiment, including：CAN interface 110, rigid line input interface 120,130 and of rigid line output interface
Main control module 140.
In conjunction with shown in Fig. 2, CAN interface includes power CAN interface, engine CAN interface and diagnosis CAN interface, master control mould
Block 140 is VCU (Vehicle Control Unit).
Wherein, for being communicated with the dynamical system module of vehicle, engine CAN interface is used for and starts power CAN interface
Machine controller communicates, and diagnosis CAN interface with diagnostic device for communicating.Rigid line input interface 120 is for receiving rigid line control letter
Number.Rigid line output interface 130 is used to send control instruction to the electric control element of vehicle, so that the electric control element of the vehicle executes
Corresponding action.Main control module 140 respectively with the CAN interface 110, rigid line input interface 120 and the rigid line output interface
130 are connected, to be communicated with dynamical system module, engine controller and the diagnostic device of vehicle by the CAN interface 110,
And control instruction is generated according to the hard line control signal that the rigid line input interface 120 receives, and exported by the rigid line
Interface 130 sends the control instruction to the electric control element of vehicle.
As shown in Fig. 2, the dynamical system module of vehicle includes retarder control unit and ABS control unit, power CAN connects
Mouth is communicated with retarder control unit and ABS control unit.
In addition, rigid line input interface includes 6 tunnel simulation input sub-interfaces, 20 railway digitals input sub-interface and 4 road PWM inputs
Sub-interface.
Further, 6 tunnel simulation input sub-interfaces receive accelerator pedal sensor signal, clutch position sensor respectively
Signal, cooling-water temperature transmitter signal, engine oil pressure pickup signal and liquid level sensor signal.20 railway digitals input connects
Mouth receives cruise signal, intermediate speed signal, torque limit message, power taking request signal, start-up request signal, engine respectively
Shut down request signal, Isolating Switch signal, main brake signal, secondary brake signal, parking brake signal, retarder bat-handle switch signal,
Descending constant speed switching signal, neutral position switch signal and gearbox high and low shift switching signal.4 road PWM input sub-interfaces receive respectively
Speed signal, anti-theft signal, gear-box axle tach signal and rotation speed of the fan sensor signal.
Fig. 2 is recombined, rigid line output interface is for exporting：The instruction of power taking solenoid valve control, exhaust braking electromagnetic valve control
Make instruction, fan clutch control instruction, high/low group of valve control instruction of gearbox, high/low shelves separating magnetic valve control instruction and
The intermediate locking-valve control instruction of shift.
The entire car controller of the embodiment of the present invention is described in more details below.
Entire car controller is the main control module of power drive system, is mainly responsible for integration and the relevant system of the dynamics of management,
Such as engine, speed changer, retarder.Its main control module VCU can receive the signals such as gas pedal, brake pedal, can replace starting
Machine, which is realized, starts the functions such as parking and fan control under cruise control, the control of variable speed, the max speed control, vehicle, and can be according to
According to factors such as vehicle condition, engine speed and driver habits, the torque request of separate sources is managed concentratedly and calculated
Optimum speed and torque make engine be operated in economic state.
After the VCU of the embodiment of the present invention, main engine plants can break away from the restriction of engine works, and autonomous Design power output is patrolled
Volume, to develop more efficient energy-efficient product according to own characteristic.VCU can promote the portability of the electrical platform of vehicle, make
Development time and cost can be saved from different Engine Matchings with carload platform, shorten the entrance into market time, while more having
Conducive to the platform planning of vehicle and product wire management.VCU can automatically control the collaboration between different system, provide and more easily grasp
Make, while promoting driving comfort, improves driver efficiency.
VCU can be simple, fast, efficiently carries out system fault diagnosis, effectively reduces the operation and maintenance of vehicle
Cost improves vehicle durability.By the exploitation of VCU can make research staff to engine controller, entire car controller or even
The function of Full Vehicle System has more deep understanding, to research and development ability and strives power with enhancement effect.
The core of VCU is control strategy, and hardware and bottom software can be by supplier developments.Project is divided into two ranks
Section：Development phase and product stage.Development phase independent research, based on general rapid prototyping hardware (RCP), using Matlab
Software development VCU control strategies.The product stage can be by the hardware and bottom software of supplier development VCU.
The introducing of main control module：Act to coordinate each controller work, external information communication (gateway), master control in the network segment
Module determines the autgmentability of network.The control of entire dynamical system is completed by programming, while being also power aspect in future
Technology extension lay the foundation.
Rational electronic apparatus framework can give full play to the existing electronic apparatus function of vehicle, reach economy and practicability
Perfect adaptation；Conducting wire dosage is advantageously reduced, car body weight is reduced；Enough Preserved nodes are had to increase other new work(
Can, it can quickly cope with market and need to change.The exclusive design concept and core that electronic apparatus framework embodies vehicle factor is competing
Strive power.
Wherein, the function of VCU is as shown in table 1.
Table 1
VCU realizes that function is divided into engine torque and rotating speed management, continuous braking function, engine cool pipe by module
Reason, vehicle state monitoring, gateway and diagnosis.Engine torque and rotating speed management include gas pedal, cruise control, variable speed
Control, the max speed control, power taking control, intermediate speed control, engine start/shutdown and engine anti-theft, wherein starting
Machine is antitheft to realize function for second stage.Continuous braking function includes continuous braking control, descending fixed speed control and braking torque
Distribution, wherein braking torque are assigned as second stage and realize function.Engine cool management is controlled comprising cooling fan.Vehicle shape
State monitors, and VCU can connect temperature sensor, liquid level sensor and driver's cab turnover switch, is second-order to monitor vehicle-state
Duan Shixian functions.Gateway and diagnostic function, VCU can be used as gateway, realize the message forwarding between PCAN and ECAN, DCAN.VCU
It can support K radiodiagnosis x and CAN radiodiagnosis x.
Entire car controller according to the ... of the embodiment of the present invention, can be engine torque and rotating speed management, continuous braking function,
Engine cool management, vehicle state monitoring, gateway and diagnosis.Engine torque and rotating speed management include gas pedal, cruise
Control, variable speed control, the max speed control, power taking control, intermediate speed control, engine start/shutdown and engine
Antitheft, wherein engine anti-theft is that second stage realizes function.Continuous braking function includes continuous braking control, descending constant speed control
System and braking torque distribution, wherein braking torque are assigned as second stage and realize function.Engine cool management includes cooling wind
Fan control.Vehicle state monitoring, VCU can connect temperature sensor, liquid level sensor and driver's cab turnover switch, to monitor vehicle
State realizes function for second stage.Gateway and diagnostic function, VCU can be used as gateway, realize between PCAN and ECAN, DCAN
Message forwarding.VCU can support K radiodiagnosis x and CAN radiodiagnosis x.
As shown in figure 3, the thermal management algorithm of entire car controller according to an embodiment of the invention, includes the following steps：
S301：Entire car controller detects the intake air temperature and coolant temperature of engine；
S302：Judge whether the intake air temperature and coolant temperature are located in preset calibration temperature range；
S303：If it is, the entire car controller sends rotation speed of the fan regulating command to fan, so as to the fan root
Speed governing is carried out according to the rotation speed of the fan regulating command, until the intake air temperature and coolant temperature are located at preset calibration temperature
In range.
That is, controlling electromagnetic fan by entire car controller, ensure to save energy while engine radiating
Consumption.It is generally necessary to consider retarder braking torque, rotation speed of the fan, coolant water temperature, intake air temperature, intake air temperature to determine electromagnetism wind
Fan control signal (PWM).
It is understood that preset calibration temperature range can in advance be demarcated according to actual conditions and be obtained.
In one embodiment of the invention, this method further includes：The engine oil level that entire car controller detects engine is high
Degree；If the engine oil level height is in except preset scale liquid position altitude range, engine oil level abnormal alarm is sent
Signal.To avoid machine oil insufficient or be endangered caused by excessive, effective protection engine.
The thermal management algorithm of entire car controller according to the ... of the embodiment of the present invention can ensure to send out by entire car controller
Motivation works at a suitable temperature, to promote the working efficiency and service life of engine.
In one embodiment of the invention, this method further includes entire car controller detection anti-theft locking system of engine hair
The answer back code sent.After detecting the answer back code, the entire car controller to engine send identity validation and start request/
Locking request.
That is, confirm the answer back code (Transpoder Code) of anti-theft locking system of engine (IMMO), and to hair
Motivation sends identity validation and starts request/or locking request.
In one embodiment of the invention, answer back code (Transpoder can be changed, adds or deleted as needed
Code)。
When to start request, the entire car controller further detects gear or clutch state.
If gear is neutral gear or clutch is to step on state, allow the engine start.
Specifically, usually entire car controller (VCU) needs, when N gears (neutral gear) or clutch are stepped on, can just start to draw
It holds up.
Further, this method further includes：When for locking request, the entire car controller passes through the engine anti-theft
Latch system locks the engine.Namely institute can realize car locking in conjunction with engine start function.
In one embodiment of the invention, the thermal management algorithm of entire car controller further includes：The entire car controller connects
Receive brake signal；Retarder is braked and/or is controlled according to brake signal control engine to be braked.
Specifically, continuous braking function is completed by engine braking, retarder.
It should be noted that seamlessly transitting between engine braking and retarder braking in realization.
Usually only when the requirement of foot pedal braking is higher than the requirement of retarder, engine brake, the function is just considered.
In addition, when ABS works, engine braking, retarder are cut off.The value of the braking torque request of general EBS requests
Equal to the sum of the braking torque of engine braking and retarder, if this require already below engine braking value, directly with
Subject to the value of engine braking.
Additionally, it is contemplated that engine water temperature can rise when retarder works, to ensure the cooling effect of engine, fan clutch
The mesh degree (PWM duty cycle) of device can increase.
When descending function, realized there are two types of mode：
1, cruise mode：The speed of descending is equal to the speed of cruise；
2, foot brake pedal activation pattern：The speed being equal to after foot pedal release.
If retarder works, in slippery road surface climb and fall, trailing wheel has by the risk of locking, so may require that certain load
Weight.
The method of the embodiment of the present invention further includes：Entire car controller receives speed signal or accelerator pedal signal.Detection hair
The operating mode of motivation, wherein the operating mode of engine includes speed unrestricted model and cruise mode.It is limited if it is speed
Pattern then receives variable speed limit value of the driver by handle/switch setting, and according to speed signal or accelerator pedal signal
Adjustment speed tests the speed to variable in limitation, wherein the variable speed limit value allows speed less than highest regulation.If it is cruise
Pattern, then cruise speed is set in highest regulation allows under speed, with automatic running.
In addition, this method further includes：Entire car controller reception pattern switches switching signal, and is opened according to the pattern switching
OFF signal switches the operating mode of the engine.
In one embodiment of the invention, the thermal management algorithm of entire car controller further includes：When for cruise mode,
If the entire car controller receives accelerator pedal signal, brake signal, failure mode signal or speed when crossing low signal,
It then controls the vehicle and exits the cruise mode.
In one embodiment of the invention, the thermal management algorithm of entire car controller further includes：Entire car controller receives hair
Motivation startup/stopping controls signal；Startup/stopping of engine is controlled according to the engine start/stopping control signal.
In one embodiment of the invention, the thermal management algorithm of entire car controller further includes：The entire car controller root
According to vehicle running state, gear is calculated, alternatively, according to road conditions self-defining gear.
Specifically, in conjunction with shown in Fig. 2, VCU can receive PWM or analog accelerator pedal signal.
Speed limit and cruise mode can only both choosing first, the two will not use simultaneously, between cruise and speed limitation
There is a mode selector switch to be converted.
Under VSL patterns (speed unrestricted model)：Driver can be arranged as required to variable speed limit by handle/switch
Value (permits speed) less than highest regulation, can be adjusted under speed to limit value by gas pedal at this time.
By switching pattern to after when CC patterns (cruise mode), speed unrestricted model is closed.Speed of cruising will
Being set in highest regulation allows under speed, and driver does not need regulation speed.Wherein, the closedown condition of CC：Gas pedal, brake
Vehicle, failure mode, speed are too low.
It should be noted that the embodiment of the present invention, can use gas pedal, the gearbox of different suppliers.
The thermal management algorithm of the entire car controller of the embodiment of the present invention can also realize power takeoff/PTO functions, such as：It compiles
Can increase when journey can demarcate item：Such as speed, gearbox, clutch state, wherein VCU supports the completely self-contained PTO of two-way to need
Input and independent driving is asked to export (the solenoid valve quantity of output defines as needed).
It is, of course, also possible to realize the function of gateway function and system diagnostics/Gateway and system diagnosis.
Specifically, forwarding of the CAN message between PCAN and DCAN, ECAN is realized；Conventional Dan Bao and more can be forwarded
The information of packet contains diagnostic message such as (DM1, DM4).
Wherein, system diagnostics includes：Itself inline diagnosis of VCU systems, the DCAN based on SAE J1939/UDS；System mark
Determine, data are write with a brush dipped in Chinese ink, UDS；Diagnose gateway (for the diagnostic message transfer management of other component).
Further, it is also possible to realize that engine start stops control/Engine Start/Stop Control functions.Specifically
Ground is shut down by VCU to control the startup of engine.
In an embodiment of the present invention, hand shift function can also be realized.
Such as：Manual transmission：According to vehicle running state, carries out gear assessment and recommend the calculating of gear.
(1), in conjunction with gear, gear bands pattern, divide block handle, engine speed, gearbox input/output rotating speed, clutch
Device position, auxiliary air circuit air pressure etc..
(2), list H gearbox gear-shift scenes.
A, in the handoff procedure of gearbox height gear region, the air pressure of auxiliary air circuit (pneumatic circuit 4) is first checked
It is whether normal, then make corresponding adjustment.
B, may be required in gear be N when, gear bands change order can just be performed.
C, when gear bands are low, it may be considered that judge whether that trans-Output-Speed is excessively high.
Locking gear level.
(1) when, trans-Output-Speed is higher, gear bands are too low, it is possible to implement locking (prevents from being switched to lower shelves
Position, the groove one or groove two on the left side).
(2) it, is based on parameter setting (stepping gear), calculating speed limit can be defined.
Judge current gear value.
It can be according to road conditions (climbing/descending etc.) self-defining gear.
In addition, for fluid drive function, it may be considered that substitute the gear output information of AT.
The thermal management algorithm of entire car controller according to the ... of the embodiment of the present invention can realize engine by entire car controller
Anti-theft feature, to, promote the safety of vehicle.
In addition, this method can also realize the comprehensive control to engine by entire car controller, i.e.,：It can receive throttle
The signals such as pedal, brake pedal can replace engine to realize cruise control, variable speed control, the max speed control, Che Xiaqi
The functions such as dynamic parking and fan control, and can be according to factors such as vehicle condition, engine speed and driver habits, to separate sources
Torque request is managed and is calculated concentratedly optimum speed and torque, to make engine be operated in the state of relatively economical
Under, promote the usage experience of vehicle.
In one embodiment of the invention, entire car controller is used to detect the intake air temperature and coolant liquid temperature of engine
Degree, and judge whether the intake air temperature and coolant temperature are located in preset calibration temperature range, and if it is, institute
State entire car controller to fan send rotation speed of the fan regulating command, so as to the fan according to the rotation speed of the fan regulating command into
Row speed governing, until the intake air temperature and coolant temperature are located in preset calibration temperature range.
In one embodiment of the invention, the entire car controller is additionally operable to the engine oil level height of detection engine；
If the engine oil level height is in except preset scale liquid position altitude range, engine oil level abnormal alarm letter is sent
Number.
Entire car controller according to the ... of the embodiment of the present invention can ensure engine suitable by entire car controller
At a temperature of work, to, promote the working efficiency and service life of engine.
In addition, entire car controller is additionally operable to the answer back code that detection anti-theft locking system of engine is sent, it is described when detecting
After answer back code, the entire car controller sends identity validation to engine and starts request/locking request, and works as to start to ask
When, the entire car controller further detects gear or clutch state, and if gear is neutral gear or clutch is to step on
Lower state, then allow the engine start.
In one embodiment of the invention, when for locking request, the entire car controller is additionally operable to through the hair
Motivation anti-theft locking system locks the engine.
In one embodiment of the invention, the entire car controller is additionally operable to the entire car controller and receives braking letter
Number, and braked and/or controlled retarder according to brake signal control engine and braked
Further, entire car controller is additionally operable to receive speed signal or accelerator pedal signal, and detects the work of engine
Operation mode, wherein the operating mode of the engine includes speed unrestricted model and cruise mode, wherein limited if it is speed
Molding formula then receives variable speed limit value of the driver by handle/switch setting, and is stepped on according to the speed signal or throttle
Partitioned signal adjusts speed to described can be changed and tests the speed in limitation, wherein and the variable speed limit value allows speed less than highest regulation,
If it is cruise mode, cruise speed, which is set in highest regulation, to be allowed under speed, with automatic running.
In one embodiment of the invention, the entire car controller reception pattern switches switching signal, and according to described
Mode selector switch signal switches the operating mode of the engine.
In one embodiment of the invention, the entire car controller is additionally operable to when for cruise mode, if received
When accelerator pedal signal, brake signal, failure mode signal or speed cross low signal, then controls the vehicle and exit described patrol
Model plane formula.
In one embodiment of the invention, the entire car controller is additionally operable to receive engine start/stopping control letter
Number, and according to startup/stopping of the engine start/stopping control signal control engine.
Entire car controller according to the ... of the embodiment of the present invention can realize the anti-theft feature of engine by entire car controller,
To promote the safety of vehicle.
In addition, the entire car controller can also realize the comprehensive control to engine by entire car controller, i.e.,：It can connect
The signals such as receipts gas pedal, brake pedal, can be controlled instead of engine realization cruise control, variable speed control, the max speed,
Start the functions such as parking and fan control under vehicle, and can be according to factors such as vehicle condition, engine speed and driver habits, to difference
The torque request in source is managed and is calculated concentratedly optimum speed and torque, to make engine be operated in relatively economical
In the state of, promote the usage experience of vehicle.
It should be noted that the entire car controller of the embodiment of the present invention specific implementation and the embodiment of the present invention it is whole
The specific implementation of the thermal management algorithm of vehicle controller is similar, specifically refers to the description of method part, in order to reduce redundancy,
It does not repeat.
Further, embodiment of the invention discloses that a kind of vehicle, including：According to any one above-mentioned embodiment
Entire car controller.The vehicle root can ensure that engine works at a suitable temperature by entire car controller, to be promoted
The working efficiency and service life of engine.
It should be noted that the vehicle of the embodiment of the present invention other compositions and effect for this field ordinary skill
All it is known for personnel, in order to reduce redundancy, does not repeat.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It is that must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.In addition, without conflicting with each other, this field
Technical staff can carry out the feature of different embodiments or examples described in this specification and different embodiments or examples
In conjunction with and combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of thermal management algorithm of entire car controller, which is characterized in that include the following steps：
Entire car controller detects the intake air temperature and coolant temperature of engine；
Judge whether the intake air temperature and coolant temperature are located in preset calibration temperature range；
If it is, the entire car controller sends rotation speed of the fan regulating command to fan, so that the fan is according to the wind
It fans rotational speed regulation instruction and carries out speed governing, until the intake air temperature and coolant temperature are located in preset calibration temperature range.
2. the thermal management algorithm of entire car controller according to claim 1, which is characterized in that further include：
The engine oil level height of the entire car controller detection engine；
If the engine oil level height is in except preset scale liquid position altitude range, engine oil level abnormal alarm is sent
Signal.
3. the thermal management algorithm of entire car controller according to claim 1, which is characterized in that further include：
The entire car controller receives brake signal；
Retarder is braked and/or is controlled according to brake signal control engine to be braked.
4. the thermal management algorithm of entire car controller according to claim 1, which is characterized in that further include：
The entire car controller receives engine start/stopping and controls signal；
Startup/stopping of engine is controlled according to the engine start/stopping control signal.
5. the thermal management algorithm of entire car controller according to claim 1, which is characterized in that further include：
The entire car controller calculates gear, alternatively, according to road conditions self-defining gear according to vehicle running state.
6. a kind of entire car controller, which is characterized in that the entire car controller is used to detect intake air temperature and the cooling of engine
Liquid temperature, and judge whether the intake air temperature and coolant temperature are located in preset calibration temperature range, and if so,
Then the entire car controller sends rotation speed of the fan regulating command to fan, so that the fan refers to according to rotation speed of the fan adjusting
It enables and carries out speed governing, until the intake air temperature and coolant temperature are located in preset calibration temperature range.
7. entire car controller according to claim 6, which is characterized in that the entire car controller is additionally operable to detection engine
Engine oil level height；If the engine oil level height is in except preset scale liquid position altitude range, machine oil is sent
Liquid level abnormal alarm signal.
8. entire car controller according to claim 6, which is characterized in that the entire car controller is additionally operable to the vehicle control
Device processed receives brake signal, and is braked and/or controlled retarder according to brake signal control engine and braked.
9. entire car controller according to claim 6, which is characterized in that the entire car controller is additionally operable to receive engine
Startup/stopping controls signal, and startup/stopping of engine is controlled according to the engine start/stopping control signal.
10. a kind of vehicle, which is characterized in that including：According to claim 6-9 any one of them entire car controllers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810300488.8A CN108661776A (en) | 2018-04-04 | 2018-04-04 | Thermal management algorithm, entire car controller and the vehicle of entire car controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810300488.8A CN108661776A (en) | 2018-04-04 | 2018-04-04 | Thermal management algorithm, entire car controller and the vehicle of entire car controller |
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| CN108661776A true CN108661776A (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810300488.8A Pending CN108661776A (en) | 2018-04-04 | 2018-04-04 | Thermal management algorithm, entire car controller and the vehicle of entire car controller |
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