CN105136162A - Vehicle travelling mileage calculation system and vehicle travelling mileage calculation method - Google Patents
Vehicle travelling mileage calculation system and vehicle travelling mileage calculation method Download PDFInfo
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- CN105136162A CN105136162A CN201510433772.9A CN201510433772A CN105136162A CN 105136162 A CN105136162 A CN 105136162A CN 201510433772 A CN201510433772 A CN 201510433772A CN 105136162 A CN105136162 A CN 105136162A
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- acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
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Abstract
The invention provides a vehicle travelling mileage calculation system and a vehicle travelling mileage calculation method. The vehicle travelling mileage calculation system includes: an acceleration sensor, which is fixed on tires of a vehicle and is used for metering tangential acceleration and/or normal acceleration of the tires during travel; a data processor which is electrically connected to the acceleration sensor and is used for acquiring the tangential acceleration and/or the normal acceleration, determining the number of turns of the tires according to the tangential acceleration and/or normal acceleration and then determining the travelling mileage according to radials of the tires and the number of turns of the tires of the vehicle. The vehicle travelling mileage calculation system is convenient and easy to install and is suitable for being used in various wheeled vehicles for calculating the travelling mileage.
Description
Technical field
The present invention relates to communications and transportation electronic technology field, particularly relate to a kind of Vehicle-Miles of Travel computing system and method.
Background technology
Along with the development of society, various vehicle, such as automobile, motorcycle, bicycle become the important vehicles of people's go off daily.The life-span of vehicle is closely related with distance travelled, and for the ease of understanding the transport condition of vehicle, user needs the distance travelled knowing vehicle.
In prior art, in automobile, mileage calculation device is installed usually.A kind of mileage calculation device of common calculating vehicle driving mileage is the number of turns being calculated Automobile shaft rotation by the photoelectric encoder be installed in Automobile shaft, then calculate the girth of wheel of vehicle according to the radiuscope of described automotive wheel, the number of turns turned over according to wheel circumference and the axletree of described automobile calculates the mileage value of running car.
But, because photoelectric encoder accurately must be installed on the axle center place of wheel, higher to installation precise requirements, cause installation complexity high.
Summary of the invention
The embodiment of the present invention provides a kind of Vehicle-Miles of Travel computing system and method, installs the high problem of complexity in order to solve Vehicle-Miles of Travel computing system in prior art.
The embodiment of the present invention provides a kind of Vehicle-Miles of Travel computing system, comprising:
Acceleration induction device, described acceleration induction device is fixed on the tire of described vehicle, for measuring described tire tangential acceleration in the process of moving and/or normal acceleration;
Data processor, described data processor is electrically connected with described acceleration induction device, for obtaining described tangential acceleration and/or described normal acceleration, determine according to described tangential acceleration and/or normal acceleration the number of turns that described vehicle tyre turns over, and determine the distance travelled value of described vehicle according to the radius of described vehicle tyre and the number of turns that turns over.
In another embodiment, Vehicle-Miles of Travel computing system also comprises data transmitter, and described data transmitter is electrically connected with described data processor, for described distance travelled value is sent to user side.
In another embodiment, described acceleration transducer, data processor and data transmitter are installed on an installing plate jointly, and described installing plate is fixed on the wheel hub of described vehicle.
In another embodiment, described data transmitter is wireless data transmitter.
In another embodiment, described wireless data transmitter is blue-teeth data transmitter or purple honeybee data transmitter.
The embodiment of the present invention also provides a kind of Vehicle-Miles of Travel computing method, comprising:
Acceleration induction device measuring vehicle tire tangential acceleration in the process of moving and/or the value of normal acceleration, and the value of described tangential acceleration and/or normal acceleration is sent to data processor;
Described data processor determines according to the value of described tangential acceleration and/or normal acceleration the number of turns that described vehicle tyre turns over, and determines the distance travelled value of described vehicle according to the radius of described vehicle tyre and the number of turns that turns over.
In another embodiment, according to described tangential acceleration and/or normal acceleration, described data processor determines that the number of turns that described vehicle tyre turns over comprises: described data processor determines according to described vehicle tyre described tangential acceleration in the process of moving and/or the maximal value of described normal acceleration and the occurrence number of minimum value the number of turns that described vehicle tyre turns over.
In another embodiment, described method also comprises: data transmitter obtains the distance travelled value of described vehicle and described distance travelled value is sent to user side.
In another embodiment, described method also comprises: described distance travelled value is sent to described user side by the mode of wireless transmission by described data transmitter.
In another embodiment, described method also comprises: described distance travelled value is sent to described user side by the mode of Bluetooth transmission or the transmission of purple honeybee by described data transmitter.
The vehicle mileage computing system that the embodiment of the present invention provides and method, by being installed on acceleration transducer measuring vehicle tire tangential acceleration in the process of moving on vehicle tyre and/or the value of normal acceleration, and determine according to described tangential acceleration and/or normal acceleration the number of turns that described vehicle tyre turns over by data processor, the distance travelled value of described vehicle is determined according to the radius of described vehicle tyre and the number of turns that turns over.During use, only need described acceleration transducer and data processor to be fixed on the distance travelled that vehicle tyre can complete vehicle and calculate, install simple and convenient, and go for the various calculating having the distance travelled of the vehicle of wheel.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, introduce doing one to the accompanying drawing used required in embodiment or description of the prior art simply below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the Vehicle-Miles of Travel computing system that Fig. 1 provides for the embodiment of the present invention one;
The structural representation of the Vehicle-Miles of Travel computing system that Fig. 2 provides for the embodiment of the present invention two;
The process flow diagram of the described Vehicle-Miles of Travel computing method that Fig. 3 provides for the embodiment of the present invention three;
The method schematic diagram of the described Vehicle-Miles of Travel computing method determination vehicle tyre rotation number of turns that Fig. 4 provides for the embodiment of the present invention three.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The structural representation of the Vehicle-Miles of Travel computing system that Fig. 1 provides for the embodiment of the present invention one.Refer to Fig. 1, the Vehicle-Miles of Travel computing system that the embodiment of the present invention one provides comprises:
Acceleration induction device 20, described acceleration induction device 20 is fixed on the tire 11 of described vehicle 10, for measuring described tire 11 tangential acceleration in the process of moving and/or normal acceleration;
Data processor 30, described data processor 30 is electrically connected with described acceleration induction device 20, for obtaining described tangential acceleration and/or described normal acceleration, determine according to described tangential acceleration and/or normal acceleration the number of turns that described tire 11 turns over, and determine the distance travelled value of described vehicle 10 according to the radius of described tire 11 and the number of turns that turns over.
Particularly, described acceleration induction device 20 can, for only to measure described tire 11 normal acceleration in the process of moving or an axle acceleration inductor of tangential acceleration, also can be the two axle acceleration inductors simultaneously measuring described normal acceleration and tangential acceleration.Described data processor 30 only can determine according to described normal acceleration or described tangential acceleration the number of turns that described tire 11 turns over, and also can determine according to described normal acceleration and described tangential acceleration the number of turns that described tire 11 turns over simultaneously.
In order to improve described Vehicle-Miles of Travel computing system to the computational accuracy of vehicle mileage, the diverse location that multiple acceleration induction device 20 is fixed on described tire 11 can be set, measure described tire 11 normal acceleration in the process of moving and/or tangential acceleration respectively.Preferably, when described acceleration induction device 20 is multiple, described multiple acceleration induction device 20 is uniformly distributed in the scope interior (90 degree of scopes) of described tire 1/11st 4.Such as, when described acceleration induction device 20 is two, one of them acceleration induction device 20 to the line in described tire 11 axle center and another one acceleration induction device 20 to the line in described tire 11 axle center between angle be 45 degree.When described acceleration induction device 20 is three, each acceleration induction device 20 to the line in described tire 11 axle center and adjacent acceleration induction device 20 to the line in described tire 11 axle center between angle be 30 degree.
Described data processor 30 can be integrated circuit (IC) chip.Described data processor 30 can be fixed on described tire 11 jointly with described acceleration induction device 20.
The vehicle mileage computing system that the embodiment of the present invention provides, by being installed on the value of acceleration transducer measuring vehicle tire tangential acceleration in the process of moving on vehicle tyre, normal acceleration or described tangential acceleration and described normal acceleration, and determine according to described tangential acceleration, normal acceleration or described tangential acceleration and normal acceleration the number of turns that described vehicle tyre turns over by data processor, the distance travelled value of described vehicle is determined according to the radius of described vehicle tyre and the number of turns that turns over.During use, only need described acceleration transducer and data processor to be fixed on the distance travelled that vehicle tyre can complete vehicle and calculate, install simple and convenient, and go for the various calculating having the distance travelled of the vehicle of wheel.
The structural representation of the Vehicle-Miles of Travel computing system that Fig. 2 provides for the embodiment of the present invention two.Please refer to Fig. 2, further, described Vehicle-Miles of Travel computing system also comprises data transmitter 40, described data transmitter 40 is electrically connected with described data processor 30, calculate data for receiving distance travelled from described data transmitter 40, and described distance travelled calculating data are sent to user side.
Particularly, described acceleration transducer 20, data processor 30 and data transmitter 40 are installed on a mounting bar 50 jointly, and described mounting bar 50 is fixed on the wheel hub 12 of described vehicle 10.Described tire 11 is supported by described wheel hub 12, is positioned at the periphery of described wheel hub 12, and described wheel hub 12 and described tire 11 form the wheel of described vehicle 10 jointly.Preferably, one end of described installing plate 50 can be fixed on the wheel hub 12 of described vehicle 10 by the fixed form such as screw or bolt, and the other end is attached at the surface of described tire 11, and described acceleration transducer 20 is installed in the described other end of described installing plate 50.Alternatively, described installing plate 50 also directly can be pasted on the outside surface of described tire 11 by bonding agent.
Further, described Vehicle-Miles of Travel computing system also comprises the printed circuit board (PCB) 60 of the described other end being installed in described fixed strip 50, described acceleration transducer 20, data processor 30 and data transmitter 40 are installed on described printed circuit board (PCB) 60, in order to realize data communication each other.
For the ease of described distance travelled calculated value being sent to any user side of user's setting, described data transmitter 40 can be wireless data transmitter.Preferably, described wireless data transmitter is blue-teeth data transmitter or purple honeybee data transmitter.
The process flow diagram of the described Vehicle-Miles of Travel computing method that Fig. 3 provides for the embodiment of the present invention three.Refer to Fig. 3, the embodiment of the present invention also provides a kind of Vehicle-Miles of Travel computing method, comprising:
S101: acceleration induction device measuring vehicle tire tangential acceleration in the process of moving and/or the value of normal acceleration, and the value of described tangential acceleration and/or normal acceleration is sent to data processor.
S102: described data processor determines according to described tangential acceleration and/or normal acceleration the number of turns that described vehicle tyre turns over, determines the distance travelled value of described vehicle according to the radius of described vehicle tyre and the number of turns that turns over.
Particularly, described acceleration induction device only can measure described tire normal acceleration in the process of moving or tangential acceleration, also can measure described normal acceleration and tangential acceleration simultaneously.Described data processor can only according to described normal acceleration or tangential acceleration, one of them determines the number of turns that described vehicle tyre turns over, and also can determine according to described normal acceleration and tangential acceleration the number of turns that described vehicle tyre turns over simultaneously.
The vehicle mileage computing method that the embodiment of the present invention provides, by acceleration transducer measuring vehicle tire tangential acceleration in the process of moving and normal acceleration, or one of them value of described tangential acceleration and normal acceleration, and determine according to one of them value of described tangential acceleration and normal acceleration or described tangential acceleration and normal acceleration the number of turns that described vehicle tyre turns over by data processor, the distance travelled value of described vehicle is determined according to the radius of described vehicle tyre and the number of turns that turns over.Due to tangential acceleration and/or the normal acceleration of measuring vehicle tire on the tire that acceleration transducer can be fixed on various vehicle easily, described vehicle mileage computing method are used to calculate the distance travelled of vehicle, there is the advantage be simple and easy to, and go for the various calculating having the distance travelled of the vehicle of wheel.
Particularly, according to one of them value of described tangential acceleration and normal acceleration or described tangential acceleration and normal acceleration, described data processor determines that the number of turns that described vehicle tyre turns over comprises: described data processor according to described vehicle tyre described tangential acceleration in the process of moving and described normal acceleration or described tangential acceleration and normal acceleration one of them maximal value and the occurrence number of minimum value determine the number of turns that described vehicle tyre turns over.
Wherein, described acceleration transducer can be the axle acceleration sensor only measuring described normal acceleration or described tangential acceleration, also can be two axle acceleration sensors simultaneously can measuring described normal acceleration and described tangential acceleration.
Fix the tangential acceleration of the position of described two axle acceleration sensors and normal acceleration and illustrate Vehicle-Miles of Travel computing method provided by the invention to use two axle acceleration sensors to measure described vehicle tyre and how to determine the number of turns that described vehicle tyre turns in vehicle travel process below:
The method schematic diagram of the described Vehicle-Miles of Travel computing method determination vehicle tyre rotation number of turns that Fig. 4 provides for the embodiment of the present invention three.As shown in Figure 4, if the axle center of described wheel of vehicle is initial point, direction parallel to the ground is X-axis, and the angle that the relatively described X-axis in position that described vehicle tyre fixes described two axle acceleration sensors turns over around described axle center is θ, then
The tangential acceleration a that described two axle acceleration sensor measurements draw
x=a
t-gcos θ,
The normal acceleration a that described two axle acceleration sensor measurements draw
y=ω
2r-gsin θ,
Wherein a
trepresent the tangential acceleration that described vehicle tyre runs, g represents acceleration of gravity, and ω represents angular velocity, and r represents the radius of tire.
According to above-mentioned formula, when θ is 0 °, the tangential acceleration measuring gained is minimum value a
x=a
t-g; When θ is 90 °, the normal acceleration measuring gained is minimum value a
y=ω
2r-g; When θ is 180 °, the tangential acceleration measuring gained is maximal value a
x=a
t+ g; When θ is 270 °, the normal acceleration measuring gained is maximal value a
y=ω
2r+g.That is, often rotating a circle at the wheel of described vehicle, respectively there is a maximal value and a minimum value in tangential acceleration and the normal acceleration of described two axle acceleration sensors measurement gained.According to above-mentioned rule, in vehicle travel process, the angle that vehicle tyre turns over relative to described reference position can be judged, i.e. the number of turns according to the number of times of the described two axle acceleration sensors measurement tangential accelerations of gained and the maximal value of normal acceleration and minimum value appearance.
When use one axle acceleration sensor, it is 180 degree that described tire changes to the angle of rotating the process of minimum value (or changing to maximal value from minimum value) in the normal acceleration or tangential acceleration of measuring gained from maximal value, and therefore the judgement precision of the described tyre rotation number of turns is exactly 180 degree.When use two axle acceleration sensor, it is 90 degree that described tire changes to the angle of rotating the process of minimum value (or changing to maximal value from minimum value) in the normal acceleration or tangential acceleration of measuring gained from maximal value.Preferably, in order to the number of turns that described vehicle tyre turns over more accurately can be determined, the quantity of described two axle acceleration sensors can also be increased.Its principle as previously mentioned.
Further, check the distance travelled value of described vehicle for the ease of user, described method also comprises:
S103: data transmitter obtains the distance travelled value of described vehicle and described distance travelled value is sent to user side.
Particularly, for the ease of described distance travelled value being sent to any user side of user's setting, described method also comprises: described distance travelled value is sent to described user side by the mode of wireless transmission by described data transmitter.Preferably, described distance travelled value is sent to described user side by the mode of Bluetooth transmission or the transmission of purple honeybee by described data transmitter.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that programmed instruction is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a Vehicle-Miles of Travel computing system, is characterized in that, comprising:
Acceleration induction device, described acceleration induction device is fixed on the tire of described vehicle, for measuring described tire tangential acceleration in the process of moving and/or normal acceleration;
Data processor, described data processor is electrically connected with described acceleration induction device, for obtaining described tangential acceleration and/or described normal acceleration, determine according to described tangential acceleration and/or normal acceleration the number of turns that described vehicle tyre turns over, and determine the distance travelled value of described vehicle according to the radius of described vehicle tyre and the number of turns that turns over.
2. Vehicle-Miles of Travel computing system according to claim 1, is characterized in that, also comprise data transmitter, and described data transmitter is electrically connected with described data processor, for described distance travelled value is sent to user side.
3. Vehicle-Miles of Travel computing system according to claim 2, is characterized in that, described acceleration transducer, data processor and data transmitter are installed on a mounting bar jointly, and described mounting bar is fixed on the wheel hub of described vehicle.
4. the Vehicle-Miles of Travel computing system according to Claims 2 or 3, is characterized in that, described data transmitter is wireless data transmitter.
5. Vehicle-Miles of Travel computing system according to claim 4, is characterized in that, described wireless data transmitter is blue-teeth data transmitter or purple honeybee data transmitter.
6. Vehicle-Miles of Travel computing method, is characterized in that, comprising:
Acceleration induction device measuring vehicle tire tangential acceleration in the process of moving and/or the value of normal acceleration, and the value of described tangential acceleration and/or normal acceleration is sent to data processor;
Described data processor determines according to the value of described tangential acceleration and/or normal acceleration the number of turns that described vehicle tyre turns over, and determines the distance travelled value of described vehicle according to the radius of described vehicle tyre and the number of turns that turns over.
7. method according to claim 6, it is characterized in that, according to described tangential acceleration and/or normal acceleration, described data processor determines that the number of turns that described vehicle tyre turns over comprises: described data processor determines according to described vehicle tyre described tangential acceleration in the process of moving and/or the maximal value of described normal acceleration and the occurrence number of minimum value the number of turns that described vehicle tyre turns over.
8. the method according to claim 6 or 7, is characterized in that, also comprises: data transmitter obtains the distance travelled value of described vehicle and described distance travelled value is sent to user side.
9. method according to claim 8, is characterized in that, also comprises: described distance travelled value is sent to described user side by the mode of wireless transmission by described data transmitter.
10. method according to claim 9, is characterized in that, described distance travelled value is sent to described user side by the mode of Bluetooth transmission or the transmission of purple honeybee by described data transmitter.
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| CN201510433772.9A CN105136162A (en) | 2015-07-22 | 2015-07-22 | Vehicle travelling mileage calculation system and vehicle travelling mileage calculation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510433772.9A CN105136162A (en) | 2015-07-22 | 2015-07-22 | Vehicle travelling mileage calculation system and vehicle travelling mileage calculation method |
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| CN107719033A (en) * | 2017-09-28 | 2018-02-23 | 网伦天下（北京）智能科技有限公司 | A kind of timing of tire, meter mileage system and device |
| CN114353822A (en) * | 2022-01-11 | 2022-04-15 | 深圳市几米物联有限公司 | Trailer mileage recording method, trailer and recording system |
| CN114786967A (en) * | 2019-12-12 | 2022-07-22 | 米其林集团总公司 | Method for obtaining the distance travelled by a rolling tire |
| CN114353822B (en) * | 2022-01-11 | 2024-05-24 | 深圳市几米物联有限公司 | Trailer mileage recording method, trailer and recording system |
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