CN101875335A - Vehicle-mounted assistant system of hybrid power vehicle and control method as well as vehicle containing system - Google Patents
Vehicle-mounted assistant system of hybrid power vehicle and control method as well as vehicle containing system Download PDFInfo
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- CN101875335A CN101875335A CN200910107154XA CN200910107154A CN101875335A CN 101875335 A CN101875335 A CN 101875335A CN 200910107154X A CN200910107154X A CN 200910107154XA CN 200910107154 A CN200910107154 A CN 200910107154A CN 101875335 A CN101875335 A CN 101875335A
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Abstract
The invention provides a vehicle-mounted assistant system. The system comprises a CAN (Controller Area Network) unit, a control processing unit and an output unit, wherein the CAN unit is used for detecting and reading the current information of a vehicle by the CAN bus of the vehicle; the control processing unit is used for receiving, analyzing and processing the current information of the vehicle; and the output unit is used for displaying and/or voice-prompting a recommended driving mode, recommended vehicle speed and failure grade of the current vehicle according to an analyzing and processing result of the control processing unit. By the technical scheme, a driver can control the vehicle to enter the recommended driving mode with the recommended vehicle speed by the display information, thereby obviously improving the energy utilization ratio of the hybrid power vehicle and effectively reducing unnecessary energy loss and emission.
Description
Technical field
The present invention relates to technical field of automotive electronics, relate to the vehicle-mounted assistant system of the situations such as moving velocity that are used to show vehicle more specifically.The invention still further relates to the vehicle that is provided with this vehicle-mounted assistant system.
Background technology
At present, no matter be fuel vehicle or hybrid vehicle, can better be familiar with the also performance of operating and controlling vehicle in order to make chaufeur, in driving compartment, all there is a cover to show the instrument or the assistance system of vehicle parameter, shown information is: the various operating condition signals (as: speed of a motor vehicle, engine speed) of vehicle and alarm signal (as: engine breakdown) etc. directly are sent to instrument and display system with these signals by the CAN network on the vehicle or other need show the module of this signal by sensor.
At present, normally used a kind of assistance system is a kind of vehicle oil consumption on the vehicle read out instrument or system, this vehicle oil consumption read out instrument or system detect the instantaneous fuel consumption of 100km of conventional fuel vehicle usually and show by assistant device, and difference wherein only is that display refresher rate, Data Source of oil consumption etc. are different.This vehicle-mounted assistant device or system have only carried out measuring the demonstration that converts to oil consumption, do not have to form relevant processing policy and estimate economy; Usually the another kind of assistance system that often uses on the vehicle is the automobile intelligent meter system of band CAN communication, used the CAN network each demand information to be carried out the overall demonstration of meter system in this system, similarly, its displaying contents is the direct-reading data, its displaying contents is the real data of vehicle operating, be equivalent to an instrument central control system, do not possess ability, also do not possess the ability that the vehicle driver is proposed guiding suggestion especially the data Treatment Analysis.
Especially to hybrid vehicle, conventional hybrid power car vehicle-mounted assistant system only shows current oil consumption, current power consumption, work at present pattern and current vehicle speed.Especially, in the hybrid power vehicle, because operational mode, operating condition, interconnected system is complicated and changeable, need set up a cover assistance system, the driver is provided the reference suggestion of steering vehicle, so that the vehicle energy utilization efficiency significantly improves, fuel consumption minimizes, give full play to the advantage of hybrid power vehicle energy-saving and emission-reduction, so set up a cover vehicle-mounted assistant system that the motor vehicle driven by mixed power driver provides guiding suggestion is seemed particularly important.
Summary of the invention
The present invention is intended to solve the problem that does not have a cover to provide the vehicle-mounted assistant system of driver directiveness suggestion that vehicle performance is significantly improved in the prior art on the motor vehicle driven by mixed power, provides a kind of and can show information such as the speed of a motor vehicle according to the operation information of motor vehicle driven by mixed power and the driver be provided the vehicle-mounted assistant system of reference suggestion of steering vehicle and the control method of this vehicle-mounted assistant system thereof.The present invention also provides a kind of motor vehicle driven by mixed power that comprises above-mentioned vehicle-mounted assistant system.
A kind of vehicle-mounted assistant system of hybrid power vehicle comprises:
The CAN unit, the CAN bus by vehicle detects the current information that reads vehicle;
Controlled processing unit, the current information of reception vehicle is also analyzed and is handled;
Output unit is exported recommendation driving mode information, recommended vehicle speed information and the failure grade information of current vehicle according to the analysis processing result of controlled processing unit.
A kind of control method of hybrid vehicle assistance system may further comprise the steps:
CAN unit by using CAN bus detects the current information that reads vehicle;
Controlled processing unit is analyzed and is handled described current information, and analysis processing result is exported to described output unit;
Described output unit is exported recommendation driving mode information, recommended vehicle speed information and the failure grade information of current vehicle according to described analysis processing result.
The present invention also provides a kind of motor vehicle driven by mixed power, and this motor vehicle driven by mixed power comprises above-mentioned vehicle-mounted assistant system.
The present invention is by the above technical scheme, by the CAN unit the various information of motor vehicle driven by mixed power are detected processing, with the result after handling by the output unit demonstration and or voice suggestion come out, shown and or the information of voice suggestion have preceding vehicle to sail pattern information, current vehicle speed information, hundred kilometers power consumption information and hundred kilometers fuel oil consumption information, recommend driving mode information, recommended vehicle speed information and failure grade information, on the one hand, chaufeur by described demonstration and or the information of voice suggestion can control vehicle enter and recommend driving mode and recommended vehicle speed, the capacity usage ratio of hybrid vehicle is significantly improved, effectively reduce unnecessary energy consumption, reduced discharging; On the other hand, chaufeur can according to the demonstration of fault level and or the information of voice suggestion determine whether this vehicle trouble is to accept fault, to make things convenient for next step processing of chaufeur.And chaufeur can close this system when not paying close attention to above-described information, to reduce unnecessary waste of energy.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the block diagram of vehicle-mounted assistant system of the present invention;
Fig. 2 is the control flow chart that the motor vehicle driven by mixed power of an embodiment of the present invention recommends driving mode to select;
Fig. 3 is the control flow chart that the motor vehicle driven by mixed power recommended vehicle speed of an embodiment of the present invention is selected;
Fig. 4 be an embodiment of the present invention hundred kilometers fuel oil consumption demonstrations of motor vehicle driven by mixed power and or the control flow chart of voice suggestion;
The control flow chart that Fig. 5 distinguishes for the motor vehicle driven by mixed power fault level of an embodiment of the present invention;
Fig. 6 is recommended vehicle speed and a battery electric quantity corresponding relation diagram of curves (MAP1) under the motor vehicle driven by mixed power of an embodiment of the present invention pure electronic (EV) pattern;
Fig. 7 is recommended vehicle speed and a battery electric quantity corresponding relation diagram of curves (MAP2) under motor vehicle driven by mixed power hybrid power (HEV) pattern of an embodiment of the present invention;
Fig. 8 is that the interface of the output unit in an embodiment of the present invention constitutes scheme drawing.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
At first in conjunction with Fig. 1 and shown in Figure 8, the invention provides a kind of vehicle-mounted assistant system of hybrid power vehicle, this system comprises CAN unit 2, controlled processing unit 1 and read out instrument, CAN unit 2 detects and reads the current operation information of vehicle by the CAN bus, the vehicle current information that reads is sent to controlled processing unit 1, and the current information of vehicle is transported to output unit 6 after handling through controlled processing unit 1.The CAN bus links to each other with various controllers on the vehicle, as, electric machine controller, engine controller, drive system controller, the battery management controller, vehicle master controller etc., CAN unit 2 detects and reads the current information of vehicle and realizes by above-described various controllers by the CAN bus, can detect rotating speed of motor by electric machine controller, information such as temperature and power, can detect the rotating speed of driving engine by engine controller, power, information such as operating mode and driving engine fuel injection pulsewidth M, can detect the present mode of operation of vehicle by drive system controller, information such as power system state, can detect the current electric quantity SOC of battery by the battery management controller, the fall off rate δ of SOC, information such as battery bus voltages V and electric current I can detect some faults of current vehicle speed and vehicle by the vehicle master controller.The CAN bus is collected above-described vehicle current information and is sent these information to CAN unit 2, CAN unit 2 reads above-mentioned information and these information is carried out category filter and the result behind the category filter is sent to controlled processing unit 1 handling calculating, and the current information of vehicle is sent to output unit after calculating through the processing of controlled processing unit 1.Preferably, described controlled processing unit 1 adopts 16 bit DSP digital processing chips, is preferably widely used TMSLF2407A chip.
Preferably, vehicle-mounted assistant system also comprises driver element 5, driver element 5 links to each other with output unit 6, driver element 5 for display driver chip commonly used and or the sound driver chip, output unit 6 controlled processing unit 1 can be handled under the driving of driver element 5 after calculating information with visual and or the form of voice show.
As shown in Figure 8, output unit 6 by current car travel mode module 611, current vehicle speed module 612, hundred kilometers power consumption modules 613, hundred kilometers fuel oil consumption modules 614, recommend car travel mode module 615, recommended vehicle speed module 616 and fault level module 617 to form, be used for exporting hundred kilometers power consumption information of current car travel mode information, current vehicle speed information, vehicle, hundred kilometers fuel oil consumption information of vehicle, the recommendation driving mode information of current vehicle, current recommended vehicle speed information and the failure grade information of motor vehicle driven by mixed power respectively.Output unit 6 can for display equipment and or speech ciphering equipment, display equipment can be used to show the output information of output unit, as showing hundred kilometers power consumption information of current car travel mode information, current vehicle speed information, vehicle, hundred kilometers fuel oil consumption information of vehicle, the recommendation driving mode information of current vehicle, current recommended vehicle speed information and the failure grade information of motor vehicle driven by mixed power.Speech ciphering equipment is used for the output information of voice suggestion output unit.As, if the current driving pattern of vehicle is electric-only mode (an EV pattern), then control the speech ciphering equipment voice suggestion: electric-only mode (EV pattern); Simultaneously, controlled processing unit 1 is also controlled hundred kilometers power consumption information of current vehicle speed information, vehicle, hundred kilometers fuel oil consumption information of vehicle, the recommendation driving mode information of current vehicle, current recommended vehicle speed information and the failure grade information of speech ciphering equipment voice suggestion vehicle.Speech ciphering equipment can carry out the information that voice suggestion output unit 6 is exported in a certain order, as, speech ciphering equipment can be distinguished the information of the above-mentioned required output of voice suggestion according to the order of current car travel mode, current vehicle speed, hundred kilometers power consumptions of vehicle, hundred kilometers fuel oil consumptions of vehicle, the recommendation driving mode of current vehicle, current recommended vehicle speed and fault level.Output unit 6 can be designed to the output information that a display equipment is used for showing each module separately, and output unit 6 also can be designed to a speech ciphering equipment separately and be used for the output information of each module of voice suggestion in a certain order; Select as another kind, output unit 6 shows and the output information of each module of voice suggestion simultaneously, as current car travel mode module 611, current vehicle speed module 612, hundred kilometers power consumption modules 613, hundred kilometers fuel oil consumption modules 614, recommend car travel mode module 615, recommended vehicle speed module 616 and fault level module 617 show the current car travel mode information of motor vehicle driven by mixed power, current vehicle speed information, hundred kilometers power consumption information of vehicle, hundred kilometers fuel oil consumption information of vehicle, the recommendation driving mode information of current vehicle, the above-mentioned information of voice suggestion in the time of current recommended vehicle speed information and failure grade information.Display equipment and speech ciphering equipment can be made of one, and also can separately work alone.Described display equipment preferably adopts charactron or Liquid Crystal Display (LCD).
Operator or chaufeur by output unit 6 demonstration and or voice suggestion can learn clearly that the current driving pattern of vehicle is pure electronic (EV) pattern or hybrid power (HEV) pattern, the current vehicle speed of vehicle, hundred kilometers power consumptions and hundred kilometers fuel oil consumptions of vehicle.In addition, according to the demonstration of this output unit 6 and or voice suggestion, chaufeur can travel according to the recommendation driving mode and the recommended vehicle speed of the current vehicle of recommending car travel mode module 615 and recommended vehicle speed module 616 to show by control vehicle, makes car load reach optimum working zone and minimum energy consumption state.And when the hybrid vehicle et out of order, the fault that chaufeur can also be learnt this motor vehicle driven by mixed power according to the demonstration of fault level module and or voice suggestion for can accept fault also right and wrong can accept fault, to make things convenient for next step operation of chaufeur.
In the time can accepting fault and take place, demonstration can be accepted prompting, this moment fault level module 617 be shown as a kind of color and or a kind of sound of voice suggestion.Non-serious major failure takes place in vehicle in such cases, this type of fault does not influence the vehicle performance and the function of vehicle, just the part parts to vehicle have infringement, during as the forward and backward exhaust gas oxygensensor fault of driving engine, driving engine also can normal operation, the ternary catalyzing unit catalytic efficiency reduces, exhaust emissions worsens but can make, and system's permission this moment chaufeur continuation steering vehicle drives to maintenance station and keeps in repair; When unacceptable fault takes place; display alarm is the non-prompting of accepting; this moment fault level module 617 be shown as another kind of color and or the another kind of sound of voice suggestion; vehicle generation major failure in such cases; too high as the power brick temperature; the disengaging of clutch fault; this moment, vehicle did not satisfy the condition that continues to travel; even vehicle can start smoothly and travelled this moment; but in order effectively to protect vehicle and driver and crew's safety, this reminds the on-the-spot withdraw from use vehicle of suggestion chaufeur also to notify the maintenance station outworker that vehicle is keeped in repair.So the demonstration by fault level module 617 and or voice suggestion, chaufeur can according to demonstration and or the result of voice suggestion judge that the fault level of vehicle, direct drivers are the maintenances or vehicle left into maintenance station keep in repair of stopping.
As further improvement, this vehicle-mounted assistant system of hybrid power vehicle also comprises the power supply unit 4 to controlled processing unit 1 and output unit 6 power supplies, power supply unit 4 comprises a power supply and a voltage stabilizing chip, as shown in Figure 1, this power supply unit 4 is connected with controlled processing unit 1 and output unit 6, when vehicle-mounted assistant system of hybrid power vehicle was worked, the power supply of power supply unit 4 provided a stable operating voltage to guarantee the reliable operation of controlled processing unit 1 and output unit 6 by the voltage stabilizing chip to controlled processing unit 1 and output unit 6.Preferably, the power supply of power supply unit 4 can be the power battery pack on the motor vehicle driven by mixed power.。In addition, this vehicle-mounted assistant system also comprises the reset key 3 that is connected with controlled processing unit 1, and reset key 3 can be used for to vehicle-mounted assistant system of hybrid power vehicle (initialization) operation that resets.Before vehicle-mounted assistant system of hybrid power vehicle carries out work at every turn, can come by operation controlled processing unit 1 is carried out reset operation to reset key 3.
The present invention provides a kind of control method of vehicle-mounted assistant system of hybrid power vehicle according to above-described vehicle-mounted assistant system of hybrid power vehicle, mainly may further comprise the steps:
The current information that 1 pair of CAN unit 2 of controlled processing unit transmits is handled and is calculated, and result of calculation is exported to output unit 6;
As shown in Figure 2, recommend the control flow chart of driving mode selection for the motor vehicle driven by mixed power of a kind of embodiment, enter step S110 after the system initialization, be driving mode information and the current battery electric quantity SOC value that CAN unit 2 reads current vehicle, then the information that is read is sent to controlled processing unit 1, the information that controlled processing unit 1 reception CAN unit 2 sends is also carried out analytical calculation, calculate the fall off rate δ (step S112) of SOC in the certain time interval T, here can get T is the fall off rate δ that 10s calculates SOC, the built-in parameter of 1 couple of battery electric quantity SOC of controlled processing unit and capacity of cell fall off rate δ and system compares then, at first relatively SOC value (step S114).When SOC＞80%, recommendation car travel mode module 615 demonstrations of controlled processing unit 1 control output unit 6 and or voice suggestion be: pure electronic (EV) pattern (step S120), end of program; When SOC value≤80%, whether controlled processing unit 1 further compares SOC less than 25% (step S116), if SOC value＜25%, recommendation car travel mode module 615 demonstrations of controlled processing unit 1 control output unit 6 and or voice suggestion be: hybrid power (HEV) pattern (step S118), end of program; When SOC 〉=25%, controlled processing unit 1 further compares the value (S122) of δ, the δ ' that establishes in the system in the present embodiment=0.01, when δ＞0.01, recommendation car travel mode module 615 demonstrations of controlled processing unit 1 control output unit 6 and or voice suggestion be: hybrid power (HEV) pattern (step S118), end of program; When δ is not more than system's default value 0.01, recommendation car travel mode module 615 demonstrations of controlled processing unit 1 control output unit 6 and or voice suggestion be: keep present mode (step S124), end of program.Because in step S110, the current driving pattern of the 2 pairs of vehicles in CAN unit detects collection, so the current driving pattern of vehicle can the while show He or voice suggestion in the current car travel mode module 611 of output unit 6.
Demonstration by above-described control method and output unit 6 and or the voice suggestion result, operator or chaufeur be easy to contrast the current driving pattern of motor vehicle driven by mixed power and system's demonstration and or the vehicle of voice suggestion recommend driving mode, the control motor vehicle driven by mixed power operates in to be recommended on the driving mode.
In conjunction with Fig. 6 and shown in Figure 7, motor vehicle driven by mixed power under pure electronic and hybrid mode, its best speed of operation, promptly recommended vehicle speed has a corresponding curved line relation with the current electric quantity of battery.As shown in Figure 6, be that vehicle is under electric-only mode, vehicular electric machine system, driving system, battery pack have best efficiency point in a certain speed of a motor vehicle, hundred kilometers power consumptions of vehicle this moment are minimum, and promptly there are a curve relation figure MAP1 in recommended vehicle speed and battery electric quantity, on curve M AP1, there is such situation, in very big capacity of cell SOC scope, recommended vehicle speed V2 is a certain value, and this definite value is 80KM/h among this embodiment.Simultaneously as shown in Figure 6, along with the reduction of Vehicular battery capacity, the car load recommended vehicle speed can be along with reduction.Among Fig. 7, vehicle is under hybrid mode, this curve M AP2 is produced under preload, battery electric quantity combined action by driving engine, because the engine operation load can carry out the segmentation adjustment according to battery capacity, so final recommended vehicle speed can be plotted as a sets of curves MAP2 relevant with battery electric quantity SOC.By diagram of curves as can be known, recommended vehicle speed is that sectional type distributes, and this pattern is relevant with the switching of driving engine series connection generating operation mode, parallel operation incision rotating speed point etc., and actual curve is demarcated by Full Vehicle System and determined.For each motor vehicle driven by mixed power, the curve tendency that is drawn is relevant with car load power strategy and battery capacity parameters, and the person of ordinary skill in the field can need the switching speed of a motor vehicle between comprehensive battery discharge coefficient, vehicle pure motor driving mileage, car load energy utilization efficiency and the drive pattern to draw out this motor vehicle driven by mixed power at the diagram of curves between recommended vehicle speed and the battery electric quantity under electric-only mode and the hybrid mode particularly.Corresponding relation between this recommended vehicle speed and the battery electric quantity can enroll in advance or deposit in the controlled processing unit 1 of vehicle-mounted assistant system of hybrid power vehicle.
Figure 3 shows that the control flow chart of the motor vehicle driven by mixed power recommended vehicle speed selection of a kind of embodiment, after system carries out initialization, CAN unit 2 reads current car travel mode by the CAN bus, current vehicle speed V1, the current battery electric quantity SOC of vehicle, (step S210) such as engine operating condition information, CAN unit 2 is sent to controlled processing unit 1 with the information that is read, controlled processing unit 1 is judged the operational mode (step S212) of current vehicle, if the present mode of operation of vehicle is pure electronic (EV) pattern, then controlled processing unit 1 is transferred cooresponding recommended vehicle speed V2 value in the MAP1 diagram of curves according to current battery electric quantity SOC value, and the recommended vehicle speed module 616 by output unit 6 with the V2 demonstration of this recommended vehicle speed and or voice suggestion come out (step S216), end of program; If controlled processing unit 1 judges that current vehicle operating pattern is hybrid power (HEV) pattern (step S214), then controlled processing unit 1 is transferred cooresponding recommended vehicle speed V2 value in the MAP2 diagram of curves according to current battery electric quantity SOC value, and the recommended vehicle speed module 616 by output unit 6 with the V2 demonstration of this recommended vehicle speed and or voice suggestion come out (step S218), program is carried out and is finished then.Simultaneously in this flow process control, because CAN unit 2 has read the current vehicle speed of vehicle in the starting stage, so, the current vehicle speed that read through controlled processing unit 1 can be in the current vehicle speed module 612 of output unit 6 demonstration and or voice suggestion come out.
Demonstration by above control method and output unit 6 and or the result of voice suggestion, operator or chaufeur be easy to contrast the current driving speed of a motor vehicle of motor vehicle driven by mixed power and system's demonstration and or the vehicle recommended vehicle speed of voice suggestion, the control motor vehicle driven by mixed power moves according to recommended vehicle speed.
Figure 4 shows that the control flow chart of hundred kilometers fuel oil consumptions demonstrations of motor vehicle driven by mixed power of a kind of embodiment, after the system initialization, CAN unit 2 reads the current vehicle speed V1 of vehicle by the CAN bus, driving engine fuel injection pulsewidth M, the automotive power state, information (step S310) such as current battery bus voltages V and electric current I, and these information are sent to controlled processing unit 1, system enters step S312 then, the present mode of operation of 1 pair of vehicle of controlled processing unit is judged, if controlled processing unit 1 judges that present mode of operation is an electric-only mode, then hundred kilometers fuel oil consumption module 614 demonstrations of controlled processing unit 1 control output unit 6 and or voice suggestion be 0 (step S316), program is carried out the finish command then; If controlled processing unit 1 judges that the present mode of operation of vehicle is a hybrid mode, controlled processing unit 1 can further be judged the mode of operation (step S314) of driving engine in this pattern, if present mode is series model (is driving engine be used for generating charge the battery), then controlled processing unit 1 calculate the current fuel consumption of 100km of vehicle this moment and hundred kilometers fuel oil consumption modules 614 by control output unit 6 show with or voice suggestion (step S320), end of program then; If it is paralleling model (driving engine participates in the driving of vehicle) (step S318) that controlled processing unit 1 is judged present mode, then controlled processing unit 1 calculate the current fuel consumption of 100km of vehicle this moment and hundred kilometers fuel oil consumption modules 614 by control output unit 6 show with or voice suggestion (step S322), end of program.According to driving engine different in the service condition of series model and paralleling model and stable situation, in the present embodiment, the refreshing frequency of the calculating among the step S320, hundred kilometers fuel oil consumption modules 614 of demonstration can be set at 10S, promptly on hundred kilometers fuel oil consumption modules 614 demonstration and or the fuel consumption of voice suggestion refresh demonstration once every 10S, promptly hundred kilometers fuel oil consumption modules 614 every 10S demonstration again and or the people of voice suggestion vehicle have and consume.With the demonstration of hundred kilometers fuel oil consumption modules 614 among the step S322 and or the refreshing frequency of voice suggestion be set at 3S, because it is battery charge that the driving engine of motor vehicle driven by mixed power only is used for generating electricity under the series operation pattern, and under the paralleling model driving engine not only be used for the generating battery is charged, and the driving of participation vehicle, therefore driving engine under series model, work than working stability under paralleling model some, the changing value that is driving engine fuel consumption under series model is smaller than the changing value of fuel consumption under paralleling model, thus can set fully the hundred kilometer fuel oil consumption modules 614 of driving engine under series model demonstration and or the refreshing frequency of voice suggestion than the demonstration of hundred kilometers fuel oil consumption modules 614 under the paralleling model and or the refreshing frequency of voice suggestion low.
Figure 5 shows that the control flow chart that the motor vehicle driven by mixed power fault level of a kind of embodiment is distinguished, behind the system initialization, if motor vehicle driven by mixed power et out of order, the master control ECU of vehicle will send this failure message, CAN unit 2 reads this failure message and this failure message is sent to controlled processing unit 1 (step S410) by the CAN bus, controlled processing unit 1 compares (S412) according to the failure message that is received and its internal preset or the failure message that prestores, judging this failure message when controlled processing unit 1 is in the time of can accepting failure message, fault level module 617 demonstrations of controlled processing unit 1 control output unit 6 and or voice suggestion can accept to remind (step S414), promptly this moment fault level module 617 can be shown as a kind of color and or a kind of sound of voice suggestion, end of program; It is non-when accepting failure message judging this failure message when controlled processing unit 1, fault level module 617 demonstrations of controlled processing unit 1 control output unit 6 and or voice suggestion can non-ly accept to remind (step S416), promptly this moment fault level module 617 can be shown as another kind of color and or the another kind of sound of voice suggestion, end of program.
Demonstration by fault level module 617 and or voice suggestion; when chaufeur see 617 demonstrations of fault level module and or voice suggestion for can accept to remind the time; system allows chaufeur continuation steering vehicle to keep in repair up to maintenance station; when chaufeur see 617 demonstrations of fault level module and or voice suggestion be non-when accepting to remind; in order effectively to protect vehicle and driver and crew's safety, this reminds the on-the-spot withdraw from use vehicle of suggestion chaufeur also to notify the maintenance station outworker that vehicle is keeped in repair.
By above technical scheme, we can clearly draw technique effect, the various information of crossing the 2 pairs of motor vehicle driven by mixed powers in CAN unit detect the analytical calculation of reading with controlled processing unit 1, with the result after handling by output unit 6 demonstrations and or voice suggestion come out, not only can demonstration and or voice suggestion current line vehicle sail pattern, current vehicle speed, hundred kilometers power consumptions and hundred kilometers fuel oil consumptions, and intuitively demonstration and or voice suggestion go out to recommend driving mode, recommended vehicle speed, if the vehicle et out of order can also intuitively demonstrate fault level.On the one hand, chaufeur by described demonstration and or the information of voice suggestion, as: vehicle is recommended driving mode and recommended vehicle speed, the reference suggestion of steering vehicle is provided for chaufeur, can enter recommendation driving mode and recommended vehicle speed by control vehicle, so that the vehicle energy utilization efficiency significantly improves, fuel consumption minimizes, give full play to the advantage of motor vehicle driven by mixed power energy-saving and emission-reduction; On the other hand, chaufeur can according to the demonstration of fault level and or voice suggestion determine whether this vehicle trouble is to accept fault, making things convenient for next step processing of chaufeur, direct drivers is the maintenance or vehicle left into maintenance station keep in repair of stopping.
And chaufeur can close this system when not paying close attention to above-described information, to reduce unnecessary waste of energy.
The present invention also provides a kind of motor vehicle driven by mixed power that comprises above-mentioned vehicle-mounted assistant system of hybrid power vehicle, preferably, this vehicle-mounted assistant system of hybrid power vehicle is arranged on the facia board of motor vehicle driven by mixed power or on the vehicle cab console or console top, be preferably and be arranged on the vehicle cab console or the console top, to make things convenient for the observation of chaufeur, be provided preferably with the car travel mode select switch in the operator's compartment of this motor vehicle driven by mixed power, utilize this switch, chaufeur can conveniently be controlled hybrid car travel under pure electronic (EV) pattern or hybrid power (HEV) pattern.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.
Claims (19)
1. a vehicle-mounted assistant system of hybrid power vehicle is characterized in that, comprising:
CAN unit (2), the CAN bus by vehicle detects the current information that reads vehicle;
Controlled processing unit (1), the current information of reception vehicle is also analyzed and is handled;
Output unit (6) is exported recommendation driving mode information, recommended vehicle speed information and the failure grade information of current vehicle according to the analysis processing result of controlled processing unit (1).
2. vehicle-mounted assistant system according to claim 1 is characterized in that, described output unit (6) be display equipment and or speech ciphering equipment, described output unit (6) comprising:
Recommend car travel mode module (615), be used for showing with or the recommendation driving mode of the current vehicle of voice suggestion;
Recommended vehicle speed module (616), be used for showing with or the recommended vehicle speed of the current vehicle of voice suggestion;
Fault level module (617), be used for showing with or the fault level of the current vehicle of voice suggestion.
3. vehicle-mounted assistant system according to claim 2, it is characterized in that the current information of described vehicle comprises engine controller, electric machine controller, battery management controller, drive system controller, the detected information of vehicles of vehicle master controller and parameter.
4. vehicle-mounted assistant system according to claim 2 is characterized in that, the recommendation pattern of described vehicle ' comprises electric-only mode (EV pattern) and hybrid mode (HEV pattern).
5. vehicle-mounted assistant system according to claim 2 is characterized in that, described vehicle-mounted assistant system also comprises the driver element (5) that links to each other with described output unit (6).
6. vehicle-mounted assistant system according to claim 2 is characterized in that, described display equipment (6) is charactron or Liquid Crystal Display (LCD).
7. according to the described vehicle-mounted assistant system of claim 6, it is characterized in that described controlled processing unit (1) is 16 bit DSP digital processing chips.
8. vehicle-mounted assistant system according to claim 7 is characterized in that, also comprises the power supply unit (4) to described controlled processing unit (1) and output unit (6) power supply.
9. vehicle-mounted assistant system according to claim 8 is characterized in that, described vehicle-mounted assistant system also comprises a reset key (3) that links to each other with described controlled processing unit (1), is used for described controlled processing unit (1) is carried out initialization operation.
10. the control method of any described hybrid vehicle assistance system of claim 1-9 may further comprise the steps:
CAN unit (2) utilizes the CAN bus to detect the current information that reads vehicle;
Controlled processing unit (1) is analyzed and is handled described current information, and analysis processing result is exported to described output unit (6);
Described output unit (6) is exported recommendation driving mode information, recommended vehicle speed information and the failure grade information of current vehicle according to described analysis processing result.
11. control method according to claim 10 is characterized in that,
Controlling described CAN unit (2) reads current driving pattern and current battery electric quantity SOC value and is transported to described controlled processing unit (1) by the CAN bus;
Described controlled processing unit (1) calculates the fall off rate δ of SOC in the certain time interval T according to current car travel mode and SOC value;
According to the result of described controlled processing unit (1), control described output unit (6) (615) demonstration of recommendation car travel mode module and or the recommendation driving mode of voice suggestion vehicle.
12. control method according to claim 11 is characterized in that,
When described SOC＞80%, control (615) demonstration of described recommendation car travel mode module and or voice suggestion electric-only mode (EV pattern);
When described SOC＜25%, perhaps
25%≤SOC≤80% and δ＞0.01 o'clock, control (615) demonstration of described recommendation car travel mode module and or voice suggestion hybrid mode (HEV pattern);
When described 25%≤SOC≤80% and δ≤0.01, control (615) demonstration of described recommendation car travel mode module and or voice suggestion vehicle present mode of operation.
13. control method according to claim 10 is characterized in that,
Controlling described CAN unit (2) reads current driving pattern, current vehicle speed V1, current capacity of cell SOC value and engine operating condition information and is transported to described controlled processing unit 1 by the CAN bus;
Described controlled processing unit (1) is according to the current information calculations recommended vehicle speed V2 that receives;
According to the result of described controlled processing unit (1), control described output unit (6) the demonstration of recommended vehicle speed mode module and or the recommended vehicle speed of voice suggestion vehicle.
14. control method according to claim 10 is characterized in that,
Controlling described CAN unit (2) reads the failure message of current vehicle and this information conveyance is arrived described controlled processing unit (1) by the CAN bus;
Described controlled processing unit (1) compares according to the current vehicle trouble information that receives and the failure message of its storage inside;
According to the comparative result of described controlled processing unit (1), control described output unit (6) (617) demonstration of fault level module and or the fault level of voice suggestion vehicle.
15. control method according to claim 14 is characterized in that, described fault level is divided into can accept fault and Fei Ke accepts fault.
16. control method according to claim 15 is characterized in that, described fault level module (617) can show two kinds of colors, and a kind of color showing vehicle is worked as prior fault for can accept fault; Another kind of color showing vehicle is worked as prior fault for being the non-fault of accepting.
17. control method according to claim 15 is characterized in that, described fault level module (617) but two kinds of sound of voice suggestion, a kind of sound represents that vehicle works as prior fault for can accept fault; Another kind of sound represents that it is the non-fault of accepting that vehicle is worked as prior fault.
18. control method according to claim 10 is characterized in that, before the each work of described vehicle-mounted assistant system, by described reset key (3) described controlled processing unit (1) is carried out reset operation.
19. a motor vehicle driven by mixed power is characterized in that, described motor vehicle driven by mixed power comprises any described vehicle-mounted assistant system of claim 1-9.
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