CN101240750A - Automobile speed limiting intelligent controller possessing GPS location function - Google Patents
Automobile speed limiting intelligent controller possessing GPS location function Download PDFInfo
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- CN101240750A CN101240750A CNA2007100371340A CN200710037134A CN101240750A CN 101240750 A CN101240750 A CN 101240750A CN A2007100371340 A CNA2007100371340 A CN A2007100371340A CN 200710037134 A CN200710037134 A CN 200710037134A CN 101240750 A CN101240750 A CN 101240750A
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Abstract
The present invention discloses vehicle speed limiting intelligent controller with GPS locate function, whose features includes: a GPS positioning circuit, a control circuit, a speed-sensing device and vehicle accelerograph control mechanical arm; GPS positioning circuit includes GPS module with GPS antennae; control circuit includes MPU, action executor, a speed limiting values data-base; input end of speed-sensing device connecting with automobile velocity mileometers; speed-sensing device, GPS module and output end of speed limiting values data-base connecting with input end of MPU respectively; output end of MPU connecting with action executor whose output end connects with vehicle accelerograph control mechanical arm. Technology which is combined by GPS technology and vehicle intelligent speed limiting technology with the function of ''road change and speed change'' can restrict vehicle on different road with different speed, and can compel vehicle with low speed especially in dangerous section, thereby can reduce traffic accident greatly.
Description
Technical field
The present invention relates to a kind of automobile speed limiting intelligent controller of intelligent Control of Automobile speed with GPS locating function.
Background technique
The distance travelled of existing display automobile and the situation of current driving speed are that a car speed odometer on the general-utility car instrument panel shows.The management of car speed is controlled by driver's operation fully, when automobile running during in improper road conditions, as driver's furious driving, is easy to generate unsafe hidden danger, even accident occurs, causes damage for the country and people's property.
For this reason, the claimant had applied for the utility model patent of denomination of invention for " automobile intelligent speed limiting device " in 2003, and had obtained utility model patent (patent No. ZL03255306.4).This automobile intelligent speed limiting device uses the method for control rate to improve the safety factor of travel of automobile, and now the large, medium and small type car of existing thousands of various trade mark models is installed with this automobile intelligent speed limiting device, has received good effect.
Fig. 1 is the structural representation of the automobile intelligent speed limiting device of patent No. ZL03255306.4.This automobile intelligent speed limiting device comprises controller 11 (being made of single-chip microcomputer), velocity transducer 12 and gas speed limiting device 13.The input end of velocity transducer is connected with the car speed odometer, and its output terminal is connected with controller; The output terminal of controller is connected with speed limiting device.The principle of this Control of Automobile speed is: the velocity amplitude of setting or switching value; The signal that sensor the is transmitted processing of comparing: when automobile driving speed moves in restricted portion, then controller does not start the gas speed limiting device; When automobile driving speed reaches setting value or switching value, controller starts gas control mechanism hand immediately and shrinks the taut wire flexible axle, gas pedal 100 to automobile promotes 4 to 5 centimetres exactly, forcibly, thereby throttle position is limited and can't steps on, be equivalent to the driver and initiatively loosen the throttle of knowing clearly, make car deceleration, the tutorial light of instrument flicker simultaneously; When automobile remained in the setting range owing to velocity inertial, speed limiting device still kept the pulling force position, and throttle still can't be stepped on, and automobile still can't quicken; When car speed during less than setting value, controller starts gas control mechanism hand again and loosens wire soft shaft, and gas recovers again as before, and tutorial light stops flicker simultaneously.The speed limit of controller have many grades selective, when acknowledge(ment) signal, switch to set (switching when accepting the road speeds wireless signal), speed is switched the back and is indicated current speed limit by tutorial light.
This automobile intelligent speed limiting device speed limit is accurate, and velocity error is less than 4 kilometers/hour more than 60 kilometers/hour.The transformation that is suitable for all automobiles is installed.But, in use also there is shortcoming in it, owing to be difficult in each speed(-)limit sign ground signal transmitter is installed that is:, so, the automobile intelligent speed limiting device can not automatically switch speed limit according to road conditions in time exactly, thereby can not realize " change of road speed change " desirable safe driving state.
Summary of the invention
The present invention is in order to solve the above-mentioned shortcoming that prior art exists, and the automobile speed limiting intelligent controller of a kind of GPS of the having locating function that provides.This automobile speed limiting intelligent controller with GPS locating function utilizes the GPS technology can differentiate the advantage of location coordinates and direction, the longitude of road speeds sign, latitude, highly, vector, speed marker is stored in the database with the form of data, adopt the GPS module to combine with existing automobile intelligent speed limiting device, when automobile process automobile speed limit sign place, automobile speed limiting intelligent controller with GPS locating function just can switch " old " speed limit sets " new " correct automobile speed limit value, so the automobile intelligent speed limiting device has possessed the ability of " identification road speed(-)limit sign ", automobile is able to be familiar with the purpose that the road speed(-)limit sign automatically switches speed limit in time exactly by correct speed limit control.
The technical measures that the present invention takes are: have the automobile speed limiting intelligent controller of GPS locating function, be characterized in, comprise a GPS positioning circuit, a control circuit, a velocity transducer and gas control mechanism hand; Described GPS positioning circuit comprises the GPS module of a band gps antenna; Described control circuit comprises a microprocessor, an actuator, a speed limit database; The input end of described velocity transducer is connected with the speed mileometer of automobile; The output terminal of described velocity transducer, GPS module and speed limit database is connected with the input end of microprocessor respectively; The output terminal of described microprocessor is connected with actuator, and the output terminal of this actuator connects gas control mechanism hand.
Above-mentioned automobile speed limiting intelligent controller with GPS locating function, be characterized in, data in the described speed limit database are obtained by the data capture from GPS travel route track record, comprise three-dimensional coordinate, direction vector, the speed limit in road speed(-)limit sign location.
Above-mentioned automobile speed limiting intelligent controller with GPS locating function is characterized in, described gas is controlled mechanical hand and comprised motor, gearbox, connector, the transmission part that connects successively, and two limit switches that are provided with at interval; This gas control mechanism hand is connected with the gas step by the axle that is flexible coupling.
Above-mentioned automobile speed limiting intelligent controller with GPS locating function is characterized in, described gas control mechanism hand also comprises a control switch, and described control switch is electrically connected with the output terminal of actuator and is connected with the motor input end.
Above-mentioned automobile speed limiting intelligent controller with GPS locating function is characterized in, also comprises a data storage, is connected with described microprocessor is two-way.
Above-mentioned automobile speed limiting intelligent controller with GPS locating function is characterized in, also comprises a speed limit button that resets that uses under the situation that the speed limit and the road speed limit of demonstration are not inconsistent, and this speed limit button that resets is connected the control end of microprocessor.
Above-mentioned automobile speed limiting intelligent controller with GPS locating function is characterized in, also comprises a display device, is connected the output terminal of microprocessor.
Above-mentioned automobile speed limiting intelligent controller with GPS locating function is characterized in, also comprises a voice prompting device, is located at the output terminal of microprocessor; Described voice prompting device comprises the road section information of prompting road speed(-)limit sign value, overspeed warning and setting.
Have the method for the automobile speed limiting intelligent controller highway section sign automatic speed-limiting of GPS locating function, be characterized in, may further comprise the steps:
A, create the speed limit database that comprises three-dimensional coordinate, direction vector, speed limit in road speed(-)limit sign location according to road speed(-)limit sign and driving trace;
When b, automobile running, constantly that automobile is current three-dimensional coordinate signal, the direction vector of gps antenna sends GPS module and microprocessor to; Velocity transducer also constantly is transferred to microprocessor with the speed of automobile current driving;
Signal that c, microprocessor are then constantly received step b and the data in the speed limit database are compared; When the signal that receives when data in the speed limit database conform to, pairing speed limit just becomes the current driving velocity amplitude;
When d, the current driving velocity amplitude that shows as step c equal the highway section speed limit of speed limit databases storage, microprocessor is given an order and has been pulled throttle by actuator startup gas control machinery, gas can not be stepped on, and automobile is therefore by speed limit; When the current driving velocity amplitude that shows as step b was lower than the highway section speed limit of speed limit databases storage, microprocessor was given an order and is made gas control mechanism hand loosen throttle by actuator, and gas is recovered as before; When the signal conductively-closed of GPS positioning circuit, microprocessor automatically switches into the minimum speed limit control speed of a motor vehicle, and provide rate signal by automotive speed sensor this moment, thereby allow automobile be in lower-speed state.
Above-mentioned method with automobile speed limiting intelligent controller highway section sign automatic speed-limiting of GPS locating function is characterized in, and is further comprising the steps of:
E, manually the speed step is set; When the highway section speed limit of the current driving velocity amplitude speed limit databases storage that shows as step c was inconsistent, the driver can manually set speed limit according to the highway section speed limit by reset button;
F, the step of sailing state by the storage autolog line that is connected with microprocessor;
G, provide the step of the road section information that comprises prompting road speed(-)limit sign value, overspeed warning and setting by the voice prompting device that is connected with microprocessor.
Because the present invention has adopted above technological scheme, with the GPS positioning circuit, control circuit, velocity transducer and gas control mechanism hand organically combine, when the automobile speed limiting intelligent controller with GPS locating function is started working, the microprocessor of its inside is just ceaselessly compared current coordinate that obtains and the coordinate place that is stored in the speed limit database, in case meet the condition of storage data, it just switches " old " speed limit setting " new " correct automobile speed limit value, use the manual work of the Throttle Opening Control of Control of Automobile as a result machinery of comparison in real time then, thereby reach the purpose of intelligent speed limit.
Description of drawings
Concrete structure of the present invention is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the structural representation of prior art automobile intelligent speed limiting device.
Fig. 2 is the general structure schematic representation of the automobile speed limiting intelligent controller of the present invention with GPS locating function.
Fig. 3 is the circuit block diagram that the present invention has GPS positioning circuit and control circuit in the automobile speed limiting intelligent controller of GPS locating function.
Fig. 4 is the structural representation of the axle that is flexible coupling of the automobile speed limiting intelligent controller of the present invention with GPS locating function.
Fig. 5 is gas control mechanism hand one embodiment's of an automobile intelligent gas control mechanism hand of the present invention structural representation.
Fig. 6 is the working principle flow chart of the automobile speed limiting intelligent controller of the present invention with GPS locating function.
Embodiment
See also Fig. 2, this is the structural representation that the present invention has the automobile speed limiting intelligent controller of GPS locating function.The present invention has the automobile speed limiting intelligent controller of GPS locating function, comprises a GPS positioning circuit 2, a control circuit 3, a velocity transducer 4 and gas control mechanism hand 5.The input end of described velocity transducer 4 is connected with the speed mileometer of automobile.Described gas control mechanism hand 5 is connected with the gas step by a be flexible coupling axle 6.
See also Fig. 3.This is the circuit block diagram that the present invention has GPS positioning circuit and control circuit in the automobile speed limiting intelligent controller of GPS locating function.Described GPS positioning circuit 2 comprises the GPS module 22 of a band gps antenna 21; Described control circuit 3 comprises a microprocessor 31, an actuator 32, a speed limit database 33, a data storage 34.The input end of described velocity transducer is connected with the speed mileometer of automobile; The output terminal of described velocity transducer, GPS module and speed limit database is connected with the input end of microprocessor respectively; The output terminal of described microprocessor is connected with actuator, and the output terminal of this actuator connects gas control mechanism hand.Actuator 32 described in the present embodiment is made of a relay.Described data storage is connected with microprocessor is two-way.According to user's needs, can also comprise a display device 35, be used to show the situation of vehicle driving, this display device is connected with the output terminal of microprocessor.
The data that the present invention has in the speed limit database in the automobile speed limiting intelligent controller of GPS locating function are obtained by the data capture from GPS travel route track record, comprise three-dimensional coordinate, direction vector, the speed limit in road speed(-)limit sign location.Establishment has the road speed(-)limit sign of automobile speed limiting intelligent controller of GPS locating function and the special database of driving trace is then finished by GPS travel route track record instrument and supporting software.Administrative staff are that one section Grid Track and direction vector are noted and become the speed limit data, numerous speed limit databases of speed limit data composition with the method for gathering on the spot with every X rice of each Grid Track of speed(-)limit sign ground and travel route.The instrument of record is a GPS travel route track record instrument.The physical record method is: the velocity amplitude of pressing GPS travel route track record instrument in road speed(-)limit sign place is set button; If speed limit does not change, then press locking button again; Arrive new speed(-)limit sign place, repeat above process.Recording process finishes, and with moveable magnetic disc the data file in the GPS travel route track record instrument is collected, and is made into database file and is input in the microprocessor, promptly obtains the speed limit database.
When travel route changed, the user can create new speed limit file once more, and this is refreshed the speed limit database of the automobile speed limiting intelligent controller with GPS locating function.
Because GPS travel route track record and GPS car-mounted terminal all are prior arts, so do not repeat them here.
See also Fig. 4, this is the structural representation of the axle that is flexible coupling of the automobile speed limiting intelligent controller of the present invention with GPS locating function.The present invention's axle 6 that is flexible coupling constitutes by wearing a steel wire 62 in the sleeve pipe 61.
Fig. 5 is gas control mechanism hand one embodiment's of an automobile intelligent gas control mechanism hand of the present invention structural representation.Gas control mechanism hand reduces axial friction in order to install and use with the automobile accessories of various different models, and various embodiments is arranged, and has been mature technology.Now only give one example and illustrated.
Present embodiment gas control mechanism hand 5 is located in the casing 51, and described casing 51 side plates are provided with control switch 52 outward, and this control switch is electrically connected with the output terminal of actuator 32; Be provided with the motor 53, gearbox 54, connector 55, the transmission part 56 that connect successively in the casing 51; This transmission part 56 comprises screw rod 561, is set in nut 562, cod 563 on the screw rod 561; The left end of cod 563 is connected with connector 55, and the right-hand member of this cod 53 is connected with screw rod 561 left ends; The opposite side that nut 562 and limit switch 57 adjoining sides are provided with magnet steel 566, this nut 562 is provided with guide rod 567; Be provided with guiding groove with corresponding casing 51 walls of guide rod 567 strokes, guide rod 567 can slide in this guiding groove; Be interval with two limit switches 57 on transmission part 56 corresponding casing 51 side plates; This limit switch 57 is made of Hall element, and these two limit switches 57 are connected with control switch 52 on casing 51 side plates by lead; Axle 6 one ends that are flexible coupling are connected with nut 562; Control switch 52 on casing 51 side plates is connected by the control end of lead with motor 53.This gas is controlled the direct current high-speed electric expreess locomotive that mechanical picking is used, for example selecting to be suitable for voltage is 12V, 24V, gearbox is designed to 9: 1 cylinder type internal gear division center of speed ratio, and in 3 seconds of whole course of action, the speed limit error can satisfy various speed limit requirements less than 3%.Two limit switches that are located at the interval setting of the casing corresponding with screw rod one side carry out accurate positioning control to the travel position of nut, play position-limiting action.
Automobile intelligent gas control mechanism hand of the present invention is to install with various automobiles, designed the mounting structure-guiding with general character and be subjected to force mechanisms 7 (please cooperate and consult Fig. 2), guiding is subjected to force mechanisms 7 to comprise fixture 71, guiding Force receiver 72, fixed support 73, wire rope 74; Fixture 71 is set on any pipeline section of axle 6 the sleeve pipe 61 that is flexible coupling, and is used for fixing the position of the axle 6 that is flexible coupling.The end of axle 6 sleeve pipe 61 of being flexible coupling is fixing with guiding Force receiver 72.Guiding Force receiver 72 is fixedlyed connected with fixed support 73, and fixed support 73 is connected and fixed with car body.The other end of the steel wire 62 that wears in axle 6 the sleeve pipe 61 of being flexible coupling passes guiding Force receiver 72, is connected with fixed support 73, and these fixed support 73 bottoms connect and compose by application of force rope 74 and accelerator pedal of automobile 100.It is a position of installing to be narrowed down to have only between force bearing point and the Point of Strength that this guiding is subjected to the advantage of force mechanisms, thus reach plant oneself very little; It is the combination that is subjected to force mechanisms by be flexible coupling axle and guiding that this guiding is subjected to another advantage of force mechanisms, has realized the transfer of the direction of power easily, thereby makes the selection of gas control mechanism hand mounting point increase applicable all automobiles greatly.
During automobile running, when the shown velocity amplitude of the signal that microprocessor receives surpasses the speed limit of speed limit database, the microprocessor control action final controlling element of giving an order sends " tension " signal, make of the cooperation of gas control mechanism hand by gearbox and screw rod, produce powerful pulling force, strain the axle that is flexible coupling, throttle is pulled on, travel by setting speed; This gas control mechanism hand forces to promote 4 to 5 centimetres by the axle that is flexible coupling to the gas pedal of automobile exactly under the control of limit switch, 10 to 15 centimetres in large-tonnage automobile, thus throttle position is limited and can't steps on, and automobile is therefore by speed limit; When the GPS rate signal was lower than speed limit, the automobile speed limiting intelligent controller with GPS locating function was given an order by microprocessor again and is made gas control mechanism hand loosen throttle, and gas is recovered as before; When the gps signal conductively-closed, the automobile speed limiting intelligent controller with GPS locating function automatically switches into the minimum speed limit control speed of a motor vehicle, and provide rate signal by automotive speed sensor this moment, thereby allow automobile be in lower-speed state.
The automobile speed limiting intelligent controller that the present invention has the GPS locating function also is provided with the speed limit button 36 that resets (please cooperate referring to Fig. 3), when the speed limit of the automobile speed limiting intelligent controller with GPS locating function and road speed limit were inconsistent, the driver can be by reset button 36 manually by till the speed limit of this reset button of highway section sign requirements setting speed limit be when the next speed limit setting.If automobile running is being on the fixed line, then do not establish reset button.
Owing to the speed limit database and the road restricting signal of the automobile speed limiting intelligent controller with GPS locating function are identical substantially, so, automobile speed limiting intelligent controller energy " change of road speed change " with GPS locating function, force automobile to travel in strict accordance with road speed(-)limit sign speed limit, force automobile to travel in strict accordance with the travel route of manager's regulation, the safety control level of automobile therefore obtains unprecedented raising.
Please cooperate referring to Fig. 3, the automobile speed limiting intelligent controller that the present invention has the GPS locating function can also comprise a voice prompting device 37, is connected with the output terminal of microprocessor.This voice prompting device has sound prompt function, prompting road speed(-)limit sign value, overspeed warning and road section information, and therefore, the automobile speed limiting intelligent controller with GPS locating function also can be used as GPS automobile intelligent speed limit report device and uses.
The present invention has the method for the automobile speed limiting intelligent controller highway section sign automatic speed-limiting of GPS locating function, may further comprise the steps:
A, create the speed limit database that comprises three-dimensional coordinate, direction vector, speed limit in road speed(-)limit sign location according to road speed(-)limit sign and driving trace;
When b, automobile running, constantly that automobile is current three-dimensional coordinate signal, the direction vector of gps antenna sends GPS module and microprocessor to; Velocity transducer also constantly is transferred to microprocessor with the speed of automobile current driving;
Signal that c, microprocessor are then constantly received step b and the data in the speed limit database are compared; When the signal that receives when data in the speed limit database conform to, pairing speed limit just becomes the current driving velocity amplitude;
When d, the current driving velocity amplitude that shows as step c equal the highway section speed limit of speed limit databases storage, microprocessor is given an order and has been pulled throttle by actuator startup gas control machinery, gas can not be stepped on, and automobile is therefore by speed limit; When the current driving velocity amplitude that shows as step b was lower than the highway section speed limit of speed limit databases storage, microprocessor was given an order and is made gas control mechanism hand loosen throttle by actuator, and gas is recovered as before; When the signal conductively-closed of GPS positioning circuit, microprocessor automatically switches into the minimum speed limit control speed of a motor vehicle, and provide rate signal by automotive speed sensor this moment, thereby allow automobile be in lower-speed state.
Above-mentioned method with automobile speed limiting intelligent controller highway section sign automatic speed-limiting of GPS locating function is characterized in, and is further comprising the steps of:
E, manually the speed step is set; When the highway section speed limit of the current driving velocity amplitude speed limit databases storage that shows as step c was inconsistent, the driver can manually set speed limit according to the highway section speed limit by reset button;
F, the step of sailing state by the storage autolog line that is connected with microprocessor;
G, provide the step of the road section information that comprises prompting road speed(-)limit sign value, overspeed warning and setting by the voice prompting device that is connected with microprocessor.
The advantage that the present invention has the automobile speed limiting intelligent controller of GPS positioning function is:
1, have function with route situation speed change and accurate speed limit:
The present invention has the automobile speed limiting intelligent controller of GPS positioning function and has broken " speed management " General layout, make automotive safety management move towards " knowledge road " management from " blind alley " management. It is fixed to have GPS The automobile speed limiting intelligent controller of bit function has the ability of unique " initiatively knowing road and automatic speed limit ", Accomplish easily the requirement of " change of road speed change " and " accurate speed limit ", thereby reached present pipe The up-to-date boundary of the intelligent equipment of reason automotive safety driving.
2, have the function that departs from route pressure speed limit:
If the driver departs from travel route, the automobile speed limiting intelligent controller with GPS positioning function is passable Setting departs from the warning way of route, for example, departs from 20 kilometers/hour of the above speed limits of route distance X rice, And constantly remind the driver to get back to correct line by handie-talkie and get on.
3, the function that has the vector quantization speed limit:
About vector recognition function with automobile speed limiting intelligent controller of GPS positioning function can satisfy The ramp is the different speed limit requirement of traffic route back and forth, makes the speed limit of automobile require more to correspond to actual needs.
4, the function that has personalized speed limit:
Automobile speed limiting intelligent controller with GPS positioning function can satisfy company to the different vehicle difference Personnel's personalized speed limit managerial demand reaches the purpose of aimed management by parameters. For example, The car that has can be walked three-line, and the car that has can only be walked a route; 100 kilometers of car Maximum speed limits that has/ Hour, 80 kilometers/hour of car Maximum speed limits that has etc.
5, the function that has mandatory administration:
Automobile speed limiting intelligent controller with GPS positioning function can force the driver to accept the speed of company Management system if the driver hides gps antenna with metallic shield, can not receive the GPS car-mounted terminal Satellite-signal, so, the automobile speed limiting intelligent controller with GPS positioning function will be put automobile with minimum Speed limit state, thereby the thought that makes the driver abandon exceeding the speed limit.
6, have the travel route track playback function:
Different from other GPS vehicle tracking device is, because the effect of limiter of speed, the driver can't be with golden Thereby belong to radome and hide the note that satellite antenna makes the automobile speed limiting intelligent controller with GPS positioning function Recording function lost efficacy. When the automobile speed limiting intelligent controller with GPS positioning function does not receive satellite-signal The time, the driving trace that it transmits the writing speed sensor, thereby the driving process of reproduction automobile, thereby For fine-grained management provides solid foundation.
The present invention has far-reaching promotion prospect, has if the road traffic speed-limiting messages in the whole nation is all imported In the database of the automobile speed limiting intelligent controller of GPS positioning function, so, has GPS as long as installed The automobile speed limiting intelligent controller of positioning function, automobile have just possessed the function of " knowing road and overspeed prompting " The function of " know road speed limit ", can restricting vehicle the different speed of different road goings, spy Not to force automobile to run at a low speed in the hazardous location, thereby greatly reduce the generation of traffic accident.
Claims (10)
1. have the automobile speed limiting intelligent controller of GPS locating function, it is characterized in that, comprise a GPS positioning circuit, a control circuit, a velocity transducer and gas control mechanism hand; Described GPS positioning circuit comprises the GPS module of a band gps antenna; Described control circuit comprises GPS positioning circuit one microprocessor, an actuator, a speed limit database; The input end of described velocity transducer is connected with the speed mileometer of automobile; The output terminal of described velocity transducer, GPS module and speed limit database is connected with the input end of microprocessor respectively; The output terminal of described microprocessor is connected with actuator, and the output terminal of this actuator connects gas control mechanism hand.
2. the automobile speed limiting intelligent controller with GPS locating function according to claim 1, it is characterized in that, data in the described speed limit database are obtained by the data capture from GPS travel route track record, comprise three-dimensional coordinate, direction vector, the speed limit in road speed(-)limit sign location.
3. the automobile speed limiting intelligent controller with GPS locating function according to claim 1, it is characterized in that, described gas is controlled mechanical hand and is comprised motor, gearbox, connector, the transmission part that connects successively, and two limit switches that are provided with at interval; This gas control mechanism hand is connected with the gas step by the axle that is flexible coupling.
4. the automobile speed limiting intelligent controller with GPS locating function according to claim 3, it is characterized in that, described gas control mechanism hand also comprises a control switch, and described control switch is electrically connected with the output terminal of actuator and is connected with the motor input end.
5. the automobile speed limiting intelligent controller with GPS locating function according to claim 1 is characterized in that, also comprises a data storage, is connected with described microprocessor is two-way.
6. the automobile speed limiting intelligent controller with GPS locating function according to claim 1, it is characterized in that, also comprise a speed limit button that resets that uses under the situation that the speed limit and the road speed limit of demonstration are not inconsistent, this speed limit button that resets is connected the control end of microprocessor.
7. the automobile speed limiting intelligent controller with GPS locating function according to claim 1 is characterized in that, also comprises a display device, is connected the output terminal of microprocessor.
8. the automobile speed limiting intelligent controller with GPS locating function according to claim 1 is characterized in that, also comprises a voice prompting device, is located at the output terminal of microprocessor; Described voice prompting device comprises the road section information of prompting road speed(-)limit sign value, overspeed warning and setting.
9. have the method for the automobile speed limiting intelligent controller highway section sign automatic speed-limiting of GPS locating function, it is characterized in that, may further comprise the steps:
A, create the speed limit database that comprises three-dimensional coordinate, direction vector, speed limit in road speed(-)limit sign location according to road speed(-)limit sign and driving trace; Velocity transducer also constantly is transferred to microprocessor with the speed of automobile current driving;
When b, automobile running, constantly that automobile is current three-dimensional coordinate signal, the direction vector of gps antenna sends GPS module and microprocessor to;
Signal that c, microprocessor are then constantly received step b and the data in the speed limit database are compared; When the signal that receives when data in the speed limit database conform to, pairing speed limit just becomes the current driving velocity amplitude;
When d, the current driving velocity amplitude that shows as step c equal the highway section speed limit of speed limit databases storage, microprocessor is given an order and has been pulled throttle by actuator startup gas control machinery, gas can not be stepped on, and automobile is therefore by speed limit; When the current driving velocity amplitude that shows as step b was lower than the highway section speed limit of speed limit databases storage, microprocessor was given an order and is made gas control mechanism hand loosen throttle by actuator, and gas is recovered as before; When the signal conductively-closed of GPS positioning circuit, microprocessor automatically switches into the minimum speed limit control speed of a motor vehicle, and provide rate signal by automotive speed sensor this moment, thereby allow automobile be in lower-speed state.
10. the method with automobile speed limiting intelligent controller highway section sign automatic speed-limiting of GPS locating function according to claim 9 is characterized in that, and is further comprising the steps of:
E, manually the speed step is set; When the highway section speed limit of the current driving velocity amplitude speed limit databases storage that shows as step c was inconsistent, the driver can manually set speed limit according to the highway section speed limit by reset button;
F, the step of sailing state by the storage autolog line that is connected with microprocessor;
G, provide the step of the road section information that comprises prompting road speed(-)limit sign value, overspeed warning and setting by the voice prompting device that is connected with microprocessor.
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