CN103183032A - Safety accessory system and method for vehicle speed limiting - Google Patents
Safety accessory system and method for vehicle speed limiting Download PDFInfo
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- CN103183032A CN103183032A CN2011104569588A CN201110456958A CN103183032A CN 103183032 A CN103183032 A CN 103183032A CN 2011104569588 A CN2011104569588 A CN 2011104569588A CN 201110456958 A CN201110456958 A CN 201110456958A CN 103183032 A CN103183032 A CN 103183032A
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Abstract
The invention discloses a safety accessory system and method for vehicle speed limiting. The accessory system comprises a vehicle speed acquisition device (100), a user setting device (101), an information receiving device (102), an overspeed warning device (103), and a speed-limiting control device (104) which acquires real time vehicle speed, user limitation vehicle speed and pavement limitation vehicle speed respectively from the vehicle speed acquisition device (100), the user setting device (101) and the information receiving device (102), and sets the lower one of the user limitation vehicle speed and the pavement limitation vehicle speed as an overspeed limitation threshold value, when the real time vehicle speed exceeds the overspeed limitation threshold value, overspeed is confirmed, under which the overspeed warning device is controlled to act so as to remind the driver of utilizing the accessory system and method provided by the invention, so that the driver is forced to slow down actively under the condition of not affecting the driver's driving.
Description
Technical field
The present invention relates to the control field of safe driving of vehicle, particularly can take all factors into consideration the safe ancillary system of limiting vehicle speed and the safe householder method of limiting vehicle speed of the restriction speed of the requirement of road speed limit and chaufeur setting in the vehicle driving process.
Background technology
Along with the continuous progress of automotive technology, the performance of automobile is become better and better, and the speed that the lifting of this performance also makes automobile to reach is more and more faster.When automobile in the process of moving may be more and more faster, after the speed of a motor vehicle reaches certain speed danger will appear.Now, overspeed of vehicle has become the road killer, and China has hundreds thousand of traffic accidents to take place every year, according to traffic department's statistics, accident over half is arranged all owing to exceeding the speed limit and running at high speed and cause.Therefore, automobile speed limit travels to be forced to be essential and wants.
Automobile speed limit is divided into two big classes usually at present: a kind of is to send voice alarm when overspeed of vehicle, reminds chaufeur to slow down; Another kind is after automobile surpasses restriction speed, sends imperative instruction by vehicular control unit, the control Vehicle Speed.The 1st kind of speed limit reminding only plays warning function, chaufeur only with reference to and can not be intervened self subjective action; And the 2nd kind of automobile speed limit interfered the practical operation of chaufeur to be intended to, and improper control may bring risk.
Summary of the invention
The present invention aims to provide the safe ancillary system of a kind of limiting vehicle speed that can force chaufeur initiatively to slow down and method thereof in view of above-mentioned prior art problems under the prerequisite of not interfering driver's operation.
The safe ancillary system of limiting vehicle speed of the present invention is characterized in that possessing: speed data collection device, the real-time speed of a motor vehicle when travelling for collection vehicle; User's setting device is used for by chaufeur desirable user's restricted speed being set; Information receiver is for the road surface restricted speed that receives running section; The overspeed warning device is used for alerting driver under the situation of hypervelocity; And speed-limiting control device, be used for obtaining the real-time speed of a motor vehicle, user's restricted speed, road surface restricted speed respectively from above-mentioned speed data collection device, user's setting device, information receiver, and with the low side in above-mentioned user's restricted speed and the above-mentioned road surface restricted speed as the hypervelocity threshold limit, when surpassing above-mentioned hypervelocity threshold limit, the above-mentioned real-time speed of a motor vehicle is judged to be hypervelocity, and be judged to be under the situation of hypervelocity, controlling above-mentioned overspeed warning device and move to remind chaufeur.
Preferably, above-mentioned overspeed warning device comprises: be judged to be the information display device of reminding chaufeur under the situation of hypervelocity with the information display mode at above-mentioned speed-limiting control device; Be judged to be the phonetic alarm device of reminding chaufeur under the situation of hypervelocity with the voice prompting mode at above-mentioned speed-limiting control device; And be judged to be the action assisting device of reminding chaufeur under the situation of hypervelocity with manner of execution at above-mentioned speed-limiting control device.
Preferably, above-mentioned manner of execution comprises in the vibration of the vibration of vibration, Das Gaspedal of driver's seat and bearing circle any one.
Preferably, above-mentioned information display device be used for to show the above-mentioned hypervelocity threshold limit from above-mentioned speed-limiting control device, and is judged to be at above-mentioned speed-limiting control device under the situation of hypervelocity and the situation that is judged to be non-hypervelocity at above-mentioned speed-limiting control device and shows restricted speed with different display modes.
Preferably, above-mentioned information display device is judged to be at above-mentioned speed-limiting control device under the situation of hypervelocity and the situation that is judged to be non-hypervelocity at above-mentioned speed-limiting control device and shows restricted speed with different colors.
Preferably, above-mentioned phonetic alarm device is to be judged to be under the situation of hypervelocity by the loud speaker of vehicular meter sound-producing device, vehicle entertainment system, in the vehicle-mounted loudspeaker any one at above-mentioned speed-limiting control device to send voice warning.
Preferably, above-mentioned phonetic alarm device is used for sending voice warning for different hypervelocity ratios according to different audible frequencies.
Preferably, above-mentioned user's setting device also is used for carrying out the setting of the opening and closing of speed limit function.
The safe householder method of limiting vehicle speed of the present invention is characterized in that possessing: the speed data collection step of the real-time speed of a motor vehicle when collection vehicle is travelled; User's speed of a motor vehicle that desirable user's restricted speed is set by chaufeur is set step; The information receiving step that is used for the road surface restricted speed of reception running section; Set a low side in the above-mentioned road surface restricted speed that above-mentioned user's restricted speed that step sets and above-mentioned information receiving step receive as the hypervelocity threshold limit setting step of the threshold limit that exceeds the speed limit with above-mentioned for the above-mentioned speed of a motor vehicle; When being surpassed the hypervelocity threshold limit that utilizes above-mentioned hypervelocity threshold limit to set the step setting, the real-time speed of a motor vehicle of utilizing above-mentioned speed data collection step to collect is judged to be the hypervelocity determining step of hypervelocity; And be judged to be the overspeed warning step of moving to remind the chaufeur overspeed situation under the situation of hypervelocity at above-mentioned hypervelocity determining step.
Preferably, above-mentioned overspeed warning step comprises: be judged to be the information step display of reminding chaufeur under the situation of hypervelocity with the information display mode; Be judged to be the audio alert step of reminding chaufeur under the situation of hypervelocity with the voice prompting mode; And be judged to be the active aid prompting step of reminding chaufeur under the situation of hypervelocity with manner of execution.
Preferably, above-mentioned manner of execution comprises in the vibration of the vibration of vibration, Das Gaspedal of driver's seat and bearing circle any one.
Preferably, in the information step display, demonstration is set the hypervelocity threshold limit of step from above-mentioned hypervelocity threshold limit, and shows the hypervelocity threshold limit with different display modes under the situation that is judged to be hypervelocity by above-mentioned hypervelocity determining step and the situation that is being judged to be non-hypervelocity.
Preferably, in the information step display, under the situation that is judged to be hypervelocity by above-mentioned hypervelocity determining step and the situation that is judged to be non-hypervelocity, show restricted speed with different colors.
Preferably, in above-mentioned audio alert step, under the situation that is judged to be hypervelocity by above-mentioned hypervelocity determining step by one of any audio alert that carries out in the loud speaker of vehicular meter sound-producing device, vehicle entertainment system, the vehicle-mounted loudspeaker.
Preferably, in above-mentioned audio alert step, be used for sending voice warning for different hypervelocity ratios according to different audible frequencies.
Preferably, before above-mentioned hypervelocity determining step, also possess and judge that the function whether the speed limit function is opened opens determination step, open determination step in above-mentioned functions and be judged to be under the situation that the speed limit function opens and carry out above-mentioned hypervelocity determining step.
Utilize the safe ancillary system of limiting vehicle speed and the method thereof of the invention described above, when vehicle travels above hypervelocity speed limit threshold values, can pass through three kinds of different modes, literal demonstration, voice suggestion and action come the reminder alerting chaufeur.Like this, can under the prerequisite of not interfering driver's operation, force chaufeur initiatively to slow down, reach the purpose that safety and comfort are driven.
Therefore, utilize the safe ancillary system of limiting vehicle speed of the present invention and method thereof, under the situation that hypervelocity takes place, can effectively remind chaufeur, will reduce the traffic accident incidence greatly thus, thereby retrieve unnecessary property and human loss.
Description of drawings
Fig. 1 is the organigram of the safe ancillary system of expression limiting vehicle speed of the present invention.
Fig. 2 is the diagram of circuit of each step of the safe householder method of expression limiting vehicle speed of the present invention.
The specific embodiment
What introduce below is a plurality of some in may embodiment of the present invention, aims to provide basic understanding of the present invention.Be not intended to confirm key of the present invention or conclusive key element or limit claimed scope.
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the organigram of the safe ancillary system of expression limiting vehicle speed of the present invention.
As shown in Figure 1, the safe ancillary system of embodiment of the present invention limiting vehicle speed comprises speed data collection device 100, user's setting device 101, information receiver 102, overspeed warning device 103 and speed-limiting control device 104.
Real-time speed of a motor vehicle when speed data collection device 100 travels for collection vehicle, user's setting device 101 is used for by chaufeur desirable user's restricted speed being set, information receiver 102 is used for receiving the road surface restricted speed of running section, overspeed warning device 103 is used for alerting driver under the situation of hypervelocity, speed-limiting control device 104 is used for from speed data collection device 100, user's setting device 101, information receiver 102 obtains the real-time speed of a motor vehicle respectively, user's restricted speed, the road surface restricted speed, and with the low side in user's restricted speed and the road surface restricted speed as the hypervelocity threshold limit, when surpassing the hypervelocity threshold limit, the real-time speed of a motor vehicle is judged to be hypervelocity, and be judged to be under the situation of hypervelocity, control overspeed warning device 103 moves to remind chaufeur.
Under regard to above-mentioned each component units and specifically describe.
Real-time speed of a motor vehicle when speed data collection device 100 collection vehicle are travelled provides to speed-limiting control device 104.As the collection of the real-time speed of a motor vehicle, can wheel speed signal/tach signal be converted to real-time vehicle speed by gathering vehicle wheel speed sensors or output shaft of gear-box signals of rotational speed sensor in real time.The speed data collection system is generally vehicle limited slip brake system ABS(and gathers the wheel wheel speed signal) or engine management system ECM(collection output shaft tach signal), provide CAN network vehicle speed signal to car load, use for other system.
By user's setting device 101 chaufeurs desirable user's restricted speed is set, and can carries out opening and closing and initiatively personalization setting and the adjusting of speed limit threshold values of user of speed limit function.For example, personalized setting can arrange selects different road conditions, and for example urban traffic situation, rural road conditions and high-speed road conditions are set different speed limit threshold values according to different road conditions.
Speed-limiting control device 104 is used for obtaining the real-time speed of a motor vehicle, user's restricted speed, road surface restricted speed respectively from speed data collection device 100, user's setting device 101, information receiver 102.Speed-limiting control device 104 is relatively from user's restricted speed of being set by chaufeur of user's setting device 101 and the road surface restricted speed that receives by information receiver 102, with the lower side among both as the threshold limit that exceeds the speed limit.Then, speed-limiting control device 104 is relatively from the real-time speed of a motor vehicle of speed data collection device 100 acquisitions and the hypervelocity threshold limit of above-mentioned setting, when the real-time speed of a motor vehicle surpasses above-mentioned hypervelocity threshold limit, be the real-time speed of a motor vehicle when surpassing a lower side in user's restricted speed and the road surface restricted speed, be judged to be hypervelocity.
Be judged to be under the situation of hypervelocity, control overspeed warning device 103 carries out relevant action to remind chaufeur.In the present embodiment, overspeed warning device 103 possess at least in information display device 110, phonetic alarm device 111, the action assisting device 112 one of.This three who preferably possesses information display device 110, phonetic alarm device 111, action assisting device 112.This be because, just can be with three kinds of different modes if possess above-mentioned three simultaneously, i.e. literal demonstration, voice suggestion, action are reminded chaufeur are carried out overspeed prompting.
Then, describe for three kinds of different modes.
At first, show about literal, realized by information display device 110.The speed limit that information display device 110 explicit users are set and the comparison minimum value of road speed-limiting messages.Particularly, when the speed limit function is opened, be judged to be at speed-limiting control device 104 under the situation of hypervelocity and send the speed information to information display device 110, to remind chaufeur with various display modes.For example, be set under the situation of opening the speed limit function when being set by the user device 101, when the real-time speed of a motor vehicle was lower than the hypervelocity threshold limit, information center reminded to driver safety by the hypervelocity threshold limit of yellow and drives; When the real-time speed of a motor vehicle more than or equal to hypervelocity during threshold limit, the yellow hypervelocity threshold limit that information center shows becomes redness, the alerting driver safety traffic of should slowing down.Here, the information demonstration is integrated into on vehicular meter display centre or the entertainment systems display centre.
Secondly, about voice suggestion, realized by phonetic alarm device 111.When the speed limit function is opened, be judged as when speed-limiting control device 104 under the situation of hypervelocity, send the overspeed alarming signal in order to carry out audio alert to phonetic alarm device 111.Audio alert can wait to realize by vehicular meter sound-producing device, car entertainment loud speaker or vehicle-mounted loudspeaker.If current vehicle speed is greater than hypervelocity speed limit threshold values, speed-limiting control device 104 provides the overspeed alarming signal to phonetic alarm device 111, phonetic alarm device 111 is realized the alternative sounds alerting pattern flexibly according to self configuration, for example, if instrument sound-producing device or vehicle-mounted loudspeaker, instrument sound buzzer or vehicle-mounted loudspeaker will remind for chaufeur by the sound of " drip, drip " with warning.Further, can also realize different hypervelocity ratios by the frequency of sound buzzer sounding, current vehicle speed was greater than 20% o'clock of hypervelocity speed limit threshold values, and sound buzzer yowls.If by the amusement audio alert, amusement voice system loud speaker will provide voice warning, and for example " you exceed the speed limit, ask Reduced Speed Now! ", " warning! A warning! An overspeed seriously! " etc.
Moreover, remind about action, realized by action assisting device 112.When the speed limit function is opened, be judged as when speed-limiting control device 104 under the situation of hypervelocity, send action to action assisting device 112 and remind instruction to drive assistant loads, allow the direct perception of chaufeur in the mode of action.Assistant load can be realized by modes such as bearing circle electromagnetic shaker, driver's seat electromagnetic shaker or Das Gaspedal oscillators.Like this, under the prerequisite of the driver behavior of not interfering chaufeur, with action alerting driver hypervelocity, make chaufeur feel the uncomfortable of this driving speed, force the chaufeur processing of initiatively slowing down.
Utilize the safe ancillary system of limiting vehicle speed of the invention described above, when vehicle travels above hypervelocity speed limit threshold values, can pass through three kinds of different modes, literal demonstration, voice suggestion and action come the reminder alerting chaufeur.Like this, can under the prerequisite of not interfering driver's operation, force chaufeur initiatively to slow down, reach the purpose that safety and comfort are driven.Utilize the safe ancillary system of limiting vehicle speed of the present invention, under the situation that hypervelocity takes place, can remind chaufeur effectively, will reduce the traffic accident incidence greatly, thereby retrieve unnecessary property and human loss.
Fig. 2 is the diagram of circuit of each step of the safe householder method of expression limiting vehicle speed of the present invention.Describe for the safe householder method of limiting vehicle speed of the present invention below with reference to Fig. 2.
As shown in Figure 2, in the safe householder method of limiting vehicle speed of the present invention, comprising: the speed data collection step S100 of the real-time speed of a motor vehicle when collection vehicle is travelled; User's speed of a motor vehicle that desirable user's restricted speed is set by chaufeur is set step S101; The information receiving step S102 that is used for the road surface restricted speed of reception running section.After this, judge the function unlatching determination step S103 whether the speed limit function opens.After opening determining step S103 through function, under the situation that the speed limit function is opened, utilize user's speed of a motor vehicle to set user's restricted speed that step S101 sets and utilize a low side in the road surface restricted speed that information receiving step S102 receives as restricted speed, and be judged to be the hypervelocity determining step S105 of hypervelocity when utilizing the real-time speed of a motor vehicle that above-mentioned speed data collection step collects above above-mentioned restricted speed; And be judged to be the overspeed warning step S106 that moves to remind the chaufeur overspeed situation under the situation of hypervelocity at above-mentioned hypervelocity determining step.Here, above-mentioned function is opened determination step S103 and also can be omitted, and under the situation of abridged, is set to the speed limit function and often opens.
Above-mentioned overspeed warning step S106 can comprise three sub-steps particularly: the audio alert step S106B that reminds chaufeur under the situation that is judged to be under the situation of hypervelocity the information step display S106A that reminds chaufeur with the information display mode, is being judged to be hypervelocity with the voice prompting mode; And be judged to be the active aid prompting step S106C that reminds chaufeur under the situation of hypervelocity with manner of execution.
In addition, can also possess speed limit step display S107, the hypervelocity threshold limit that will utilize the hypervelocity threshold limit to set step S104 setting in speed limit step display S107 is shown to chaufeur.
In above-mentioned information step display S106A, under the situation that is judged to be hypervelocity by above-mentioned hypervelocity determining step and the situation that is being judged to be non-hypervelocity, show restricted speed with different display modes.For example, as above described, when current vehicle speed is lower than the hypervelocity threshold limit, driven by showing that yellow hypervelocity threshold limit is reminded to driver safety; Current vehicle speed during threshold limit, becomes redness by the yellow speed limit threshold values that will show more than or equal to hypervelocity, the alerting driver safety traffic of should slowing down.
In above-mentioned audio alert step S106B, under the situation that is judged to be hypervelocity by above-mentioned hypervelocity determining step by one of any audio alert that sends in the loud speaker of vehicular meter sound-producing device, vehicle entertainment system, the vehicle-mounted loudspeaker.In audio alert step S10B, according to different hypervelocity ratios, can send voice warning with different audible frequencies.
In above-mentioned active aid prompting step S106C, allow the direct perception overspeed situation of chaufeur in the mode of action.Can realize by the vibrations of bearing circle, the vibrations of driver's seat or the modes such as concussion of Das Gaspedal.Like this, under the prerequisite of the driver behavior of not interfering chaufeur, with action alerting driver hypervelocity, make chaufeur feel the uncomfortable of this driving speed, force the chaufeur processing of initiatively slowing down.
Above example has mainly illustrated.Although only the some of them embodiments of the present invention are described, those of ordinary skills should understand, and the present invention can be in not departing from its purport and scope implements with many other forms.Therefore, the example of showing and embodiment are regarded as illustrative and not restrictive, and under situation about not breaking away from as the defined spirit of the present invention of appended each claim and scope, the present invention may be contained various modifications and replacement.
Claims (16)
1. safe ancillary system of limiting vehicle speed is characterized in that possessing:
Speed data collection device (100), the real-time speed of a motor vehicle when travelling for collection vehicle;
User's setting device (101) is used for by chaufeur desirable user's restricted speed being set;
Information receiver (102) is for the road surface restricted speed that receives running section;
Overspeed warning device (103) is used for alerting driver under the situation of hypervelocity; And
Speed-limiting control device (104), be used for obtaining the real-time speed of a motor vehicle, user's restricted speed, road surface restricted speed respectively from above-mentioned speed data collection device (100), user's setting device (101), information receiver (102), and with the low side in above-mentioned user's restricted speed and the above-mentioned road surface restricted speed as the hypervelocity threshold limit, when surpassing above-mentioned hypervelocity threshold limit, the above-mentioned real-time speed of a motor vehicle is judged to be hypervelocity, and be judged to be under the situation of hypervelocity, controlling above-mentioned overspeed warning device (103) and move to remind chaufeur.
2. as the safe ancillary system of the above-mentioned limiting vehicle speed of claim 1, it is characterized in that,
Above-mentioned overspeed warning device (103) comprises:
Be judged to be the information display device (110) of reminding chaufeur under the situation of hypervelocity with the information display mode at above-mentioned speed-limiting control device (104);
Be judged to be the phonetic alarm device (111) of reminding chaufeur under the situation of hypervelocity with the voice prompting mode at above-mentioned speed-limiting control device (104); And
Be judged to be the action assisting device (112) of reminding chaufeur under the situation of hypervelocity with manner of execution at above-mentioned speed-limiting control device (104).
3. as the safe ancillary system of the above-mentioned limiting vehicle speed of claim 2, it is characterized in that,
Above-mentioned manner of execution comprises in the vibration of the vibration of vibration, Das Gaspedal of driver's seat and bearing circle any one.
4. as the safe ancillary system of the above-mentioned limiting vehicle speed of claim 2, it is characterized in that,
Above-mentioned information display device (110) be used for to show the above-mentioned hypervelocity threshold limit from above-mentioned speed-limiting control device (104), and is judged to be at above-mentioned speed-limiting control device (104) under the situation of hypervelocity and the situation that is judged to be non-hypervelocity at above-mentioned speed-limiting control device (104) and shows restricted speed with different display modes.
5. as the safe ancillary system of the above-mentioned limiting vehicle speed of claim 4, it is characterized in that,
Above-mentioned information display device (110) is judged to be at above-mentioned speed-limiting control device (104) under the situation of hypervelocity and the situation that is judged to be non-hypervelocity at above-mentioned speed-limiting control device (104) and shows restricted speed with different colors.
6. as the safe ancillary system of the above-mentioned limiting vehicle speed of claim 2, it is characterized in that,
Above-mentioned phonetic alarm device (111) is to be judged to be under the situation of hypervelocity by the loud speaker of vehicular meter sound-producing device, vehicle entertainment system, in the vehicle-mounted loudspeaker any one at above-mentioned speed-limiting control device (104) to send voice warning.
7. as the safe ancillary system of the above-mentioned limiting vehicle speed of claim 6, it is characterized in that,
Above-mentioned phonetic alarm device (111) is used for sending voice warning for different hypervelocity ratios according to different audible frequencies.
8. as any safe ancillary system of above-mentioned limiting vehicle speed of claim 1～7, it is characterized in that,
Above-mentioned user's setting device (101) also is used for carrying out the setting of the opening and closing of speed limit function.
9. safe householder method of limiting vehicle speed is characterized in that possessing:
The speed data collection step (S100) of the real-time speed of a motor vehicle when collection vehicle is travelled;
User's speed of a motor vehicle that desirable user's restricted speed is set by chaufeur is set step (S101);
The information receiving step (S102) that is used for the road surface restricted speed of reception running section;
Set a low side in the above-mentioned road surface restricted speed that above-mentioned user's restricted speed that step sets and above-mentioned information receiving step receive as the hypervelocity threshold limit setting step (S104) of the threshold limit that exceeds the speed limit with above-mentioned for the above-mentioned speed of a motor vehicle;
When being surpassed the hypervelocity threshold limit that utilizes above-mentioned hypervelocity threshold limit to set the step setting, the real-time speed of a motor vehicle of utilizing above-mentioned speed data collection step to collect is judged to be the hypervelocity determining step (S105) of hypervelocity; And
Be judged to be the overspeed warning step (S106) of moving to remind the chaufeur overspeed situation under the situation of hypervelocity at above-mentioned hypervelocity determining step.
10. as the safe householder method of the above-mentioned limiting vehicle speed of claim 1, it is characterized in that,
Above-mentioned overspeed warning step (S106) comprises:
Be judged to be the information step display (S106A) of reminding chaufeur under the situation of hypervelocity with the information display mode;
Be judged to be the audio alert step (S106B) of reminding chaufeur under the situation of hypervelocity with the voice prompting mode; And
Be judged to be the active aid prompting step (S106C) of reminding chaufeur under the situation of hypervelocity with manner of execution.
11. as the safe householder method of the above-mentioned limiting vehicle speed of claim 10, it is characterized in that,
Above-mentioned manner of execution comprises in the vibration of the vibration of vibration, Das Gaspedal of driver's seat and bearing circle any one.
12. as the safe householder method of the above-mentioned limiting vehicle speed of claim 10, it is characterized in that,
In information step display (S106A), demonstration is set the hypervelocity threshold limit of step (S104) from above-mentioned hypervelocity threshold limit, and shows the hypervelocity threshold limit with different display modes under the situation that is judged to be hypervelocity by above-mentioned hypervelocity determining step (S105) and the situation that is being judged to be non-hypervelocity.
13. as the safe householder method of the above-mentioned limiting vehicle speed of claim 12, it is characterized in that,
In information step display (S106A), under the situation that is judged to be hypervelocity by above-mentioned hypervelocity determining step and the situation that is judged to be non-hypervelocity, show restricted speed with different colors.
14. as the safe householder method of the above-mentioned limiting vehicle speed of claim 10, it is characterized in that,
In above-mentioned audio alert step (S106B), under the situation that is judged to be hypervelocity by above-mentioned hypervelocity determining step by one of any audio alert that carries out in the loud speaker of vehicular meter sound-producing device, vehicle entertainment system, the vehicle-mounted loudspeaker.
15. as the safe householder method of the above-mentioned limiting vehicle speed of claim 14, it is characterized in that,
In above-mentioned audio alert step (S106B), be used for sending voice warning for different hypervelocity ratios according to different audible frequencies.
16. as any safe householder method of above-mentioned limiting vehicle speed of claim 9～14, it is characterized in that,
Also possess the function unlatching determination step (S103) of judging whether the speed limit function is opened before at above-mentioned hypervelocity determining step (S105),
Opening determination step (S103) in above-mentioned functions is judged to be under the situation that the speed limit function opens and carries out above-mentioned hypervelocity determining step (S105).
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