CN104019827A - Digital mileage sensor system of road 3D (Three-Dimensional) data collection vehicle - Google Patents
Digital mileage sensor system of road 3D (Three-Dimensional) data collection vehicle Download PDFInfo
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- CN104019827A CN104019827A CN201410254090.7A CN201410254090A CN104019827A CN 104019827 A CN104019827 A CN 104019827A CN 201410254090 A CN201410254090 A CN 201410254090A CN 104019827 A CN104019827 A CN 104019827A
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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
Abstract
The invention belongs to the field of vehicle-mounted devices and provides a digital mileage sensor system of a road 3D (Three-Dimensional) data collection vehicle. The digital mileage sensor system of the road 3D data collection vehicle comprises a signal collection device, a fixed disk, a flexible connection rod, a single chip, an onboard system and a computer which are sequentially connected, wherein the signal collection device comprises a shell, a laser transmitting device, a laser receiving device, a photoelectric conversion device and a sensing disk; the laser transmitting device, the laser receiving device and the photoelectric conversion device are fixedly mounted on the shell; the shell is connected to a fender above a vehicle wheel through the flexible connection rod; the sensing disk is connected to a wheel hub through the fixed plate; when working, signals collected by the signal collection device are processed by an MCU (Microprogrammed Control Unit) and used for carrying out real-time communication with the computer through an SOC (System on a Chip). By virtue of the digital mileage sensor system of the road 3D data collection vehicle, infrared signals with high resolution ratio, the photoelectric technology of the single chip and a real-time on-chip onboard system are used, so that the signal data is relatively accurate and effective.
Description
Technical field
The present invention relates to a kind of mobile unit, particularly relate to a kind of onboard sensor.
Background technology
Conventionally the speed mileage meter error of common vehicle self instrument is larger, and error rate is about every 1000 meter 5%.Speed per hour is during lower than 15Km/h, and error rate can increase by 1%～3%.When speed is during lower than 5Km/h, error cannot be differentiated.Because common most of vehicle is to adopt magneto-electric odometer sensor, its sensitivity is bad in the time of low speed driving; Resolution neither be very high, is generally 45 °/r～90 °/r.So, this type of signal accuracy, in the time of high precision movement measurement data acquisition, cannot be served as basis signal application.
Summary of the invention
In view of above defect, fundamental purpose of the present invention is to provide a kind of road 3D data acquisition car numeral odometer sensor system, this sensing system has overcome above-mentioned deficiency, apply and there is high-resolution infrared signal, utilize single-chip microcomputer (MCU) photoelectric technology, add real-time sheet upper plate loading system (SOC), make signal data more precisely effectively.
In order to reach above object, this kind of road 3D data acquisition car numeral odometer sensor system provided by the invention, comprise the signal pickup assembly connecting successively, shaft collar, flexible jointing-rod, single-chip microcomputer, plate loading system and computing machine, described signal pickup assembly comprises shell, laser beam emitting device, laser receiver, photoelectric conversion device, sensing dish, described laser beam emitting device, laser receiver and photoelectric conversion device are fixedly installed on shell, described shell is connected on the lappet of wheel top by flexible jointing-rod, described sensing dish is connected on hub for vehicle wheel by shaft collar, when work, the signal that signal pickup assembly collects is after MCU processes, carry out real-time communication by SOC and computing machine.
Further, described shaft collar comprises disk body and is located at the stationary shaft of disk body central authorities, described stationary shaft is for the sensing dish of fixed signal harvester, described disk body is provided with at least 8 bar hole positions, be respectively the first position, hole, the second position, hole, the 3rd position, hole, the 4th position, hole, the 5th position, hole, the 6th position, hole, seven apertures in the human head position, octal position, the center of circle that the total intersection point of the extended line of described 8 bar hole positions is disk body, described the first position, hole and the 3rd position, hole are point-blank, described the second position, hole and the 4th position, hole are also point-blank, described the first position, hole is mutually vertical with the second position, hole, angle between described the first position, hole and the 5th position, hole is 30 degree, angle between described the 6th position, hole and the 3rd position, hole is 30 degree, angle between described seven apertures in the human head position and the 4th position, hole is 36 degree, angle between described octal position and the 4th position, hole is 36 degree.
While assembling with tire wheel hub, according to the difference of vehicle, the number of wheel hub screw is generally respectively four, five, six, in the time that wheel hub screw is four, can fix by the first position, hole, the second position, hole, the 3rd position, hole, the 4th position, hole, in the time that wheel hub screw is five, can fix by the second position, hole, seven apertures in the human head position, octal position, in the time that wheel hub screw is six, can fix by the 5th position, hole, the 6th position, hole, the 4th position, hole.
Because described bar hole position is bar shaped, therefore make the wheel hub of the applicable different-diameter of this shaft collar.
Further, described flexible jointing-rod mainly comprises flexible connecting member and expansion link, described expansion link is fixed on the lappet of wheel top, described flexible connecting member one end is connected with expansion link by retaining element, the other end is connected with the shell of signal pickup assembly, in the time that wheel moves up and down because pavement roughness produces, flexible connecting member drives expansion link to move up and down together with wheel, can High Rotation Speed with the sensing dish that ensures signal pickup assembly, and the shell of signal pickup assembly is in relative static conditions.
Further, described flexible connecting member selection, for having certain plastic engineering ABS plastic, nylon or Polyurethane sheet material, can reduce the absorption of the unfavorable resonance power producing when sensor outer housing is moved, and avoids the damage to sensor.
Further, the sensing dish of described signal pickup assembly is grating rotating dish, described grating rotating dish is installed between described laser beam emitting device and laser receiver, in described grating rotating dish card, be provided with some gratings hole corresponding to the position between laser beam emitting device, laser receiver, described grating rotating dish is fixed on the stationary shaft of shaft collar.
When vehicle movement, described grating rotating dish rotates with wheel, the laser that described laser beam emitting device sends, received by laser receiver by grating hole, obtain the light signal being interrupted, then send MCU to after being converted to current signal by photoelectric conversion device, carry out real-time communication by SOC and computing machine again, thereby calculate vehicle not in the same time under, the speed of motion and the distance increment of motion, provide real time data to vehicular collecting system.
Further, the sensing dish of described signal pickup assembly is grating tooth spiral rotating disk, described laser beam emitting device and laser receiver are installed together, described grating tooth spiral rotating disk is installed under laser beam emitting device and laser receiver, irregular grating tooth is established at described grating tooth spiral rotating disk edge, and described grating tooth spiral rotating disk is fixed on the stationary shaft of shaft collar.
When vehicle movement, described grating tooth spiral rotating disk rotates with wheel, the laser that described laser beam emitting device sends, after the grating tooth reflection on grating tooth spiral rotating disk, received by laser receiver again, because grating mark of mouth protuberance position is with constantly conversion of rotation, laser reflection distance is constantly changed and produce light signal, be converted to current signal by photoelectric conversion device again and send MCU to, carry out real-time communication by SOC and computing machine, thereby calculate vehicle not in the same time under, the speed of motion and the distance increment of motion, provide real time data to vehicular collecting system.
These data of utilizing road 3D data acquisition car numeral odometer sensor system provided by the invention to obtain, except the heartbeat signal gathering as distance moving incremental computations, can also in the time of vehicle GPS signal losing lock, offer measuring system route reference vector signal; Be also simultaneously vehicle-mounted photographic system in the time of shooting, provide foundation as base position information reference.
The present invention has applied has high-resolution infrared signal, utilizes MCU photoelectric technology, adds SOC on real-time sheet, makes signal data precisely effective.
The present invention has adopted flexible jointing-rod, can reduce the absorption of the unfavorable resonance power producing when sensor outer housing is moved, avoid the damage to sensor, in addition, the not enough 1mm of lappet thickness of scale of general vehicle, conventionally in 0.6-0.9mm left and right, if while adopting rigid connection fixed housing, as bulb piston, in the time not avoiding colliding with barrier, not only the equipment of shell and the inside thereof can damage, also likely fragile lappet iron sheet own is caused to larger damage, therefore the present invention adopts flexible connection mode to fix shell, can in the time of collision, absorb a part of damage effect power, to reduce the damage larger to vehicle body.
The shaft collar that the present invention adopts, it is simple in structure, applicable to the wheel hub of different model, different-diameter.
Brief description of the drawings
Fig. 1 is the structural representation of the shaft collar of road 3D data acquisition car numeral odometer sensor system provided by the invention;
Fig. 2 is the structural representation of the flexible jointing-rod of road 3D data acquisition car numeral odometer sensor system provided by the invention;
Fig. 3 is a kind of signal pickup assembly structural representation of road 3D data acquisition car numeral odometer sensor system provided by the invention;
Fig. 4 is the another kind of signal pickup assembly structural representation of road 3D data acquisition car numeral odometer sensor system provided by the invention.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is further illustrated, but its restriction of not opposing:
This kind of road 3D data acquisition car numeral odometer sensor system provided by the invention, comprise the signal pickup assembly connecting successively, shaft collar, flexible jointing-rod, single-chip microcomputer, plate loading system and computing machine, described signal pickup assembly comprises shell, laser beam emitting device, laser receiver, photoelectric conversion device, sensing dish, described laser beam emitting device, laser receiver and photoelectric conversion device are fixedly installed on shell, described shell is connected on the lappet of wheel top by flexible jointing-rod, described sensing dish is connected on hub for vehicle wheel by shaft collar, when work, the signal that signal pickup assembly collects is after MCU processes, carry out real-time communication by SOC and computing machine.
As shown in Figure 1, described shaft collar comprises disk body 10 and is located at the stationary shaft 20 of disk body central authorities, described stationary shaft 20 is for fixing sensing dish, described disk body 10 is provided with at least 8 bar hole positions, be respectively the first position, hole 11, the second position, hole 12, the 3rd position, hole 13, the 4th position, hole 14, the 5th position, hole 15, the 6th position, hole 16, seven apertures in the human head position 17, octal position 18, the total intersection point of the extended line of described 8 bar hole positions is the center of circle of disk body 10, described the first position, hole 11 and the 3rd position, hole 13 are point-blank, described the second position, hole 12 and the 4th position, hole 14 are also point-blank, described the first position, hole 11 is mutually vertical with the second position, hole 12, angle between described the first position, hole 11 and the 5th position, hole 15 is 30 degree, angle between described the 6th position, hole 16 and the 3rd position, hole 13 is 30 degree, angle between described seven apertures in the human head position 17 and the 4th position, hole 14 is 36 degree, angle between described octal position 18 and the 4th position, hole 14 is 36 degree.
When assembling, according to the difference of vehicle, the number of wheel hub screw is generally respectively four, five, six, in the time that wheel hub screw is four, can be fixing by the first position, hole 11, the second position, hole 12, the 3rd position, hole 13, the 4th position, hole 14, in the time that wheel hub screw is five, can pass through the second position, hole 12, seven apertures in the human head position 17, octal position 18 and fix, in the time that wheel hub screw is six, can fix by the 5th position, hole 15, the 6th position, hole 16, the 4th position, hole 14.
Because described bar hole position is bar shaped, therefore make the wheel hub of the applicable different-diameter of this shaft collar.
As shown in Figure 2, described flexible jointing-rod 30 mainly comprises flexible connecting member 31 and expansion link 32, described expansion link 32 is fixed on the lappet of wheel top, described flexible connecting member 31 one end are connected with expansion link 32 by retaining element, the other end is connected with the shell 33 of signal pickup assembly, in the time that wheel moves up and down because pavement roughness produces, flexible connecting member 31 drives expansion link 32 to move up and down together with wheel, can High Rotation Speed with the sensing dish that ensures signal pickup assembly, and the shell 33 of signal pickup assembly is in relative static conditions.
Described flexible connecting member selection, for having certain plastic engineering ABS plastic, nylon or Polyurethane sheet material, can reduce the absorption of the unfavorable resonance power producing when sensor outer housing is moved, and avoids the damage to sensor.
As shown in Figure 3, the sensing dish of described signal pickup assembly 40 is grating rotating dish 41, described grating rotating dish 41 is installed between described laser beam emitting device 42 and laser receiver 43, in described grating rotating dish card 41, be provided with some gratings hole corresponding to the position between laser beam emitting device 42, laser receiver 43, described grating rotating dish 41 is fixed on the stationary shaft 20 of shaft collar.
When vehicle movement, described grating rotating dish 41 rotates with wheel, the laser that described laser beam emitting device 42 sends, received by laser receiver 43 by grating hole, obtain the light signal being interrupted, then send MCU to after being converted to current signal by photoelectric conversion device, carry out real-time communication by SOC and computing machine again, thereby calculate vehicle not in the same time under, the speed of motion and the distance increment of motion, provide real time data to vehicular collecting system.
As shown in Figure 4, the sensing dish of described signal pickup assembly is grating tooth spiral rotating disk 50, described laser beam emitting device 42 is installed together with laser receiver 43, described grating tooth spiral rotating disk 50 is installed under laser beam emitting device 42 and laser receiver 43, irregular grating tooth is established at described grating tooth spiral rotating disk 50 edges, and described grating tooth spiral rotating disk 50 is fixed on the stationary shaft 20 of shaft collar.
When vehicle movement, described grating tooth spiral rotating disk 50 rotates with wheel, the laser that described laser beam emitting device 42 sends, after the grating tooth reflection on grating tooth spiral rotating disk, received by laser receiver 43 again, because grating mark of mouth protuberance position is with constantly conversion of rotation, laser reflection distance is constantly changed and produce light signal, be converted to current signal by photoelectric conversion device again and send MCU to, carry out real-time communication by SOC and computing machine, thereby calculate vehicle not in the same time under, the speed of motion and the distance increment of motion, provide real time data to vehicular collecting system.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure transformation that utilizes instructions of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a road 3D data acquisition car numeral odometer sensor system, it is characterized in that, comprise the signal pickup assembly connecting successively, shaft collar, flexible jointing-rod, single-chip microcomputer, plate loading system and computing machine, described signal pickup assembly comprises shell, laser beam emitting device, laser receiver, photoelectric conversion device, sensing dish, described laser beam emitting device, laser receiver and photoelectric conversion device are fixedly installed on shell, described shell is connected on the lappet of wheel top by flexible jointing-rod, described sensing dish is connected on hub for vehicle wheel by shaft collar.
2. road 3D data acquisition car numeral odometer sensor system according to claim 1, it is characterized in that, described shaft collar comprises disk body and is located at the stationary shaft of disk body central authorities, described stationary shaft is for the sensing dish of fixed signal harvester, described disk body is provided with at least 8 bar hole positions, be respectively the first position, hole, the second position, hole, the 3rd position, hole, the 4th position, hole, the 5th position, hole, the 6th position, hole, seven apertures in the human head position, octal position, the center of circle that the total intersection point of the extended line of described 8 bar hole positions is disk body, described the first position, hole and the 3rd position, hole are point-blank, described the second position, hole and the 4th position, hole are also point-blank, described the first position, hole is mutually vertical with the second position, hole, angle between described the first position, hole and the 5th position, hole is 30 degree, angle between described the 6th position, hole and the 3rd position, hole is 30 degree, angle between described seven apertures in the human head position and the 4th position, hole is 36 degree, angle between described octal position and the 4th position, hole is 36 degree.
3. road 3D data acquisition car numeral odometer sensor system according to claim 1, it is characterized in that, described flexible jointing-rod mainly comprises flexible connecting member and expansion link, described expansion link is fixed on the lappet of wheel top, described flexible connecting member one end is connected with expansion link by retaining element, and the other end is connected with the shell of signal pickup assembly.
4. road 3D data acquisition car according to claim 3 numeral odometer sensor system, is characterized in that, described flexible connecting member selection be engineering ABS plastic, nylon or Polyurethane sheet material wherein any one.
5. road 3D data acquisition car numeral odometer sensor system according to claim 2, it is characterized in that, the sensing dish of described signal pickup assembly is grating rotating dish, described grating rotating dish is installed between described laser beam emitting device and laser receiver, in described grating rotating dish card, be provided with some gratings hole corresponding to the position between laser beam emitting device, laser receiver, described grating rotating dish is fixed on the stationary shaft of shaft collar.
6. road 3D data acquisition car numeral odometer sensor system according to claim 2, it is characterized in that, the sensing dish of described signal pickup assembly is grating tooth spiral rotating disk, described laser beam emitting device and laser receiver are installed together, described grating tooth spiral rotating disk is installed under laser beam emitting device and laser receiver, irregular grating tooth is established at described grating tooth spiral rotating disk edge, and described grating tooth spiral rotating disk is fixed on the stationary shaft of shaft collar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410254090.7A CN104019827A (en) | 2014-06-10 | 2014-06-10 | Digital mileage sensor system of road 3D (Three-Dimensional) data collection vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410254090.7A CN104019827A (en) | 2014-06-10 | 2014-06-10 | Digital mileage sensor system of road 3D (Three-Dimensional) data collection vehicle |
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| CN104019827A true CN104019827A (en) | 2014-09-03 |
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| CN201410254090.7A Pending CN104019827A (en) | 2014-06-10 | 2014-06-10 | Digital mileage sensor system of road 3D (Three-Dimensional) data collection vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114739421A (en) * | 2022-04-14 | 2022-07-12 | 湖南庄耀光电科技有限公司 | Automobile and mileage counting device thereof |
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| CN203940866U (en) * | 2014-06-10 | 2014-11-12 | 北京路桥瑞通养护中心有限公司 | Road 3D data acquisition car numeral odometer sensor system |
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2014
- 2014-06-10 CN CN201410254090.7A patent/CN104019827A/en active Pending
Patent Citations (7)
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| JPS6316267A (en) * | 1986-07-08 | 1988-01-23 | Yamaha Motor Co Ltd | Measurement system for moving body |
| CN1293349A (en) * | 1999-10-13 | 2001-05-02 | 均景中国有限公司 | Opparatus and method for determining the absolute position of object by using index type coder |
| US20050269491A1 (en) * | 2004-06-03 | 2005-12-08 | Konrad Slanec | Carrier with at least one transilluminated optical position mark |
| CN1924528A (en) * | 2005-08-29 | 2007-03-07 | 佳能株式会社 | Optical encoder and apparatus using optical encoder |
| CN101329186A (en) * | 2007-06-19 | 2008-12-24 | 三丰株式会社 | Surface reflection encoder caliper and surface reflection encoder using the same |
| CN101620031A (en) * | 2008-07-03 | 2010-01-06 | 施耐宝仪器股份有限公司 | Apparatus for determining the condition of a tire tread of a vehicle wheel |
| CN203940866U (en) * | 2014-06-10 | 2014-11-12 | 北京路桥瑞通养护中心有限公司 | Road 3D data acquisition car numeral odometer sensor system |
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Free format text: FORMER OWNER: WANG FENGPING LI TIANYI LIU NI MENG JUN ZHU KENAN SUN QINXIA XU HUI BO Effective date: 20141216 |
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Effective date of registration: 20141216 Address after: 100144 No. 10, Badachu Road, Beijing, Shijingshan District Applicant after: Company limited of BJRB RuiTong Maintenance Center Address before: 100144 No. 10, Badachu Road, Beijing, Shijingshan District Applicant before: Company limited of BJRB RuiTong Maintenance Center Applicant before: Wang Fengping Applicant before: Li Tianyi Applicant before: Liu Ni Applicant before: Meng Jun Applicant before: Zhu Kenan Applicant before: Sun Qinxia Applicant before: Xu Habo |
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