CN102410815A - Automotive vehicle profile size distance measuring instrument and measuring method used by same - Google Patents
Automotive vehicle profile size distance measuring instrument and measuring method used by same Download PDFInfo
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- CN102410815A CN102410815A CN2011103897231A CN201110389723A CN102410815A CN 102410815 A CN102410815 A CN 102410815A CN 2011103897231 A CN2011103897231 A CN 2011103897231A CN 201110389723 A CN201110389723 A CN 201110389723A CN 102410815 A CN102410815 A CN 102410815A
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- control box
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Abstract
The invention belongs to the technical field of automotive vehicle detection, particularly, relates to an automotive vehicle profile size distance measuring instrument and a measuring method used by the same. The automotive vehicle profile size distance measuring instrument comprises a locating light curtain (1), a horizontal movement unit (2), a laser sensing head (3) and an intelligent control box (4); the laser sensing head (3) is arranged above the horizontal movement unit (2) and connected with the horizontal movement unit (2) in a manner of sliding; transmission ports of the locating light curtain (1) and the laser sensing head (3) are connected with the transmission port of the intelligent control box (4); two ends of the horizontal movement unit (2) are respectively provided with a first limit sensor (501) and a second limit sensor (502), fixedly; and the transmission ports of the first limit sensor (501) and the second limit sensor (502) are connected with the transmission port of the intelligent control box (4). The automotive vehicle profile size distance measuring instrument has the advantages of wide application environment range, high measuring efficiency, accurate measuring result and simple system structure, and can be mounted indoors or outdoors.
Description
Technical field
the invention belongs to the motor vehicle detecting technical field, the measuring method that relates in particular to a kind of motor vehicle contour dimension stadimeter and adopted.
Background technology
are in the motor vehicle detecting field; The normal noncontact online measuring technique that adopts is accurately measured the dimensional parameters of vehicle ' s contour; Above-mentioned representative scheme has two kinds: (1) device is made up of measurement bracket, optoelectronic switch, camera head, instrumentation radar, lighting device etc.; Information such as the width of measuring vehicle, height and wheel spacing more exactly; This systematic survey process is in real time, and tested vehicle does not need to stop in measuring process, only need measurement result promptly be arranged after through measured zone with the normal speed of a motor vehicle.(2) system compares with traditional measurement method based on the close-range photogrammetry principle, and it can carry out non-contact detecting to the length and width size of target vehicle apace.Utilize image process method, several kinds of edge extracting algorithms are compared, extract edge of image, calculate its size, convert picture size into physical size again.
above-mentioned noncontact online measuring technique remains in practical application and is conforming narrowly, and efficiency of measurement is low, and measuring error is big, problems such as system architecture complicacy.
Summary of the invention
the present invention be intended to overcome the weak point of prior art and provide a kind of system architecture simple, conforms extensively, and efficiency of measurement is high, the accurate motor vehicle contour dimension of measurement result stadimeter.
the present invention also provides a kind of motor vehicle contour dimension measuring method that matches with said system.
For solving the problems of the technologies described above, the present invention realizes like this
.
a kind of motor vehicle contour dimension stadimeter, it comprises location light curtain, tangential movement unit, laser sensing head and intelligent control box; Said laser sensing head places on the tangential movement unit and with the slip of said tangential movement unit and joins; The transmit port of said location light curtain and laser sensing head and the transmit port of intelligent control box are joined.
as a kind of preferred version, the present invention is fixed with first limit sensors and second limit sensors respectively at the two ends of said tangential movement unit; The transmit port of said first limit sensors and second limit sensors connects the transmit port of intelligent control box.
as another kind of preferred version, the present invention is fixed with origin sensor on said tangential movement unit; The transmit port of said origin sensor and the transmit port of intelligent control box are joined.
further, intelligent control box according to the invention comprises master control borad and PLC module; The transmit port of said master control borad connects the transmit port of PLC module; The transmit port of said origin sensor, first limit sensors and second limit sensors is joined with the transmit port of PLC module respectively; The transmit port of said laser sensing head and the transmit port of master control borad are joined.
further, the present invention is fixed with stepper motor on said tangential movement unit; The clutch end of said stepper motor joins through horizontal transport mechanism and laser sensing head.
also are provided with display module in addition in the system of the present invention; The transmit port of said display module connects the transmit port of intelligent control box through data transmitting module.
data transmitting module according to the invention can adopt the RS232 communication module.
The measuring method that
above-mentioned motor vehicle contour dimension stadimeter is adopted can be implemented as follows successively.
A, the tangential movement unit is assigned in vehicle direct of travel to be measured is perpendicular position; Location light curtain is assigned in the position highly identical foremost with vehicle to be measured.
B, carry out parameter setting and initialization; If break down, then reset parameter.
C, detect through laser sensing head and location light curtain.
D, comparison raw data, if leave a question open, alarm then.
E, through detecting.
The height of
tangential movement according to the invention unit is 5.50～6.50m; The height of said location light curtain is 1～1.5 m.
system architecture of the present invention is simple, conforms extensively, and efficiency of measurement is high, and measurement result is accurate.The present invention can be installed in outdoor or indoor, and installation process is simple, can be used for the vehicle that the examination of vehicle detection department and traffic police department is transformed in violation of rules and regulations.
Description of drawings
are described further the present invention below in conjunction with accompanying drawing and embodiment.
Fig. 1 is a partial structurtes synoptic diagram of the present invention.
Fig. 2 is a partial top view of the present invention.
Fig. 3 locatees light curtain structure synoptic diagram for the present invention.
Fig. 4 is a circuit system theory diagram of the present invention.
Fig. 5 is an intelligent control box schematic block circuit diagram of the present invention.
Fig. 6 is a software section structured flowchart of the present invention.
Fig. 7 is a test section of the present invention FB(flow block).
Fig. 8 is a control box connecting terminal block wiring diagram of the present invention.
Among
figure: 1, location light curtain; 2, tangential movement unit; 3, laser sensing head; 4, intelligent control box; 501, first limit sensors; 502, second limit sensors; 6, origin sensor; 8, stepper motor; 9, horizontal transport mechanism.
Embodiment
referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 8, motor vehicle contour dimension stadimeter, and it comprises location light curtain 1, tangential movement unit 2, laser sensing head 3 and intelligent control box 4; Said laser sensing head 3 places on the tangential movement unit 2 and with 2 slips of said tangential movement unit and joins; The transmit port of said location light curtain 1 and laser sensing head 3 and the transmit port of intelligent control box 4 are joined.
the present invention is fixed with first limit sensors 501 and second limit sensors 502 respectively at the two ends of said tangential movement unit 2; The transmit port of said first limit sensors 501 and second limit sensors 502 connects the transmit port of intelligent control box 4.
the present invention is fixed with origin sensor 6 on said tangential movement unit 2; The transmit port of the transmit port of said origin sensor 6 and intelligent control box 4 is joined.
referring to Fig. 4 and Fig. 5, intelligent control box 4 according to the invention comprises master control borad and PLC module; The transmit port of said master control borad connects the transmit port of PLC module; The transmit port of said origin sensor 6, first limit sensors 501 and second limit sensors 502 is joined with the transmit port of PLC module respectively; The transmit port of said laser sensing head 3 and the transmit port of master control borad are joined.
the present invention is fixed with stepper motor 8 on said tangential movement unit 2; The clutch end of said stepper motor 8 joins with laser sensing head 3 through horizontal transport mechanism 9, and its transmission principle is similar with the printhead of point-needle type printer.
Also be provided with display module in
system of the present invention; The transmit port of said display module connects the transmit port of intelligent control box 4 through data transmitting module; Said data transmitting module adopts the RS232 communication module.
Referring to Fig. 6 and Fig. 7, the measuring method that above-mentioned motor vehicle contour dimension stadimeter is adopted can be implemented as follows successively
.
A, the tangential movement unit is assigned in vehicle direct of travel to be measured is perpendicular position; Location light curtain is assigned in the position highly identical foremost with vehicle to be measured; The height of said tangential movement unit is 5.50～6.50m; The height of said location light curtain is 1～1.5 m.
B, carry out parameter setting and initialization; If break down, then reset parameter.
C, detect through laser sensing head and location light curtain.
D, comparison raw data, if leave a question open, alarm then.
E, through detecting.
systems technology parameter of the present invention.
1, instrument environment for use.
a
1
, temperature.
this measuring instrument operating ambient temperature interval is: between-10 ℃ to+50 ℃.
b
1
, humidity.
humidity does not have direct adverse influence to measuring accuracy.Ambient humidity is between non-dewfall 5%-95%.
c
1
, the vibration.
The measuring accuracy of the equipment that can influence is shaken or rocked in
.Therefore the support that installs instruments must firmly must not rock.
d
1
, dust.
this equipment dust cover can protect instrument and avoid dust, but still needs regularly instrument to be cleaned maintenance.
e
1
, waterproof.
this equipment protection grade is IP65, during outdoor mounted, when practical set, must install rain shade or rain shade additional.
f
1
, ground connection.
need because of the instrument data transmission, power supply, Main Control Tank, the necessary ground connection of mobile platform shell.
The installation of
2, instrument.
a
2
, open instrumentation package.
b
2
, handle with care in the instrument handling process, avoid excessive dynamics collision instrument.
c
2
, the motion translation platform adopts the lifting mode to install.
indoor installation: can be lifted on the crossbeam or the production technique girder steel articulates.
outdoor mounted: adopt the portal frame lifting, and rain cover or ceiling are installed.
d
2
, the translation stage Installation Considerations.
i setting height(from bottom): it is between 5.50 meters-6.50 meters that translation stage is recommended setting height(from bottom).
ii translation stage is installed must guarantee level.
iii translation stage installation direction becomes perpendicular quadrature with the automobile direct of travel.
iv installs and fixes must be firm, and shell carries out reliable ground.
e
2
, location light curtain Installation Considerations.
i setting height(from bottom): highly be 1-1.5 rice, highly consistent foremost with lorry to be measured.
ii location light curtain must be guaranteed level.
iii installs and fixes must be firm, and shell carries out reliable ground.
f
2
, main control box installs.
built-in master control unit of control box, supply module, transmission control module can adopt wall-hanging or the peg formula is installed.
The method of operating of
system of the present invention.
Before
1, the operation that powers on for the first time, need carry out manual original point position to the operation translation stage.Under the situation that equipment does not power on, moving slider is to initial point graticule place.
After
2, the original point position, the trial run motor that powers on, translation stage automatically about operation, drive about laser head and move, confirm that the each run slide block all gets back to initial point.
3, measuring operation.
automobile sails measured zone into, and headstock stops at parking graticule place; After the operator confirms that vehicle stop position is correct, the operation start button; Equipment begins to start automatically, and after the round operation, laser head stopped at origin position automatically about translation stage was automatic.Computer shows length, width, the altitude information of vehicle automatically, and the acquiescence unit of data is millimeters.
The above is merely the preferred embodiments of the present invention
, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a motor vehicle contour dimension stadimeter is characterized in that, comprises location light curtain (1), tangential movement unit (2), laser sensing head (3) and intelligent control box (4); Said laser sensing head (3) places on the tangential movement unit (2) and with said tangential movement unit (2) slip and joins; The transmit port of the transmit port of said location light curtain (1) and laser sensing head (3) and intelligent control box (4) is joined.
2. motor vehicle contour dimension stadimeter according to claim 1 is characterized in that: be fixed with first limit sensors (501) and second limit sensors (502) respectively at the two ends of said tangential movement unit (2); The transmit port of said first limit sensors (501) and second limit sensors (502) connects the transmit port of intelligent control box (4).
3. motor vehicle contour dimension stadimeter according to claim 2 is characterized in that: on said tangential movement unit (2), be fixed with origin sensor (6); The transmit port of the transmit port of said origin sensor (6) and intelligent control box (4) is joined.
4. motor vehicle contour dimension stadimeter according to claim 3 is characterized in that: said intelligent control box (4) comprises master control borad and PLC module; The transmit port of said master control borad connects the transmit port of PLC module; The transmit port of said origin sensor (6), first limit sensors (501) and second limit sensors (502) is joined with the transmit port of PLC module respectively; The transmit port of said laser sensing head (3) and the transmit port of master control borad are joined.
5. motor vehicle contour dimension stadimeter according to claim 4 is characterized in that: on said tangential movement unit (2), be fixed with stepper motor (8); The clutch end of said stepper motor (8) joins with laser sensing head (3) through horizontal transport mechanism (9).
6. motor vehicle contour dimension stadimeter according to claim 5 is characterized in that: be provided with display module; The transmit port of said display module connects the transmit port of intelligent control box (4) through data transmitting module.
7. motor vehicle contour dimension stadimeter according to claim 6 is characterized in that: said data transmitting module adopts the RS232 communication module.
8. a measuring method that is adopted like the arbitrary described motor vehicle contour dimension stadimeter of claim 1～7 is characterized in that, implements successively as follows:
A, the tangential movement unit is assigned in vehicle direct of travel to be measured is perpendicular position; Location light curtain is assigned in the position highly identical foremost with vehicle to be measured;
B, carry out parameter setting and initialization; If break down, then reset parameter;
C, detect through laser sensing head and location light curtain;
D, comparison raw data, if leave a question open, alarm then;
E, through detecting.
9. the measuring method that motor vehicle contour dimension stadimeter according to claim 8 is adopted is characterized in that: the height of said tangential movement unit is 5.50～6.50m; The height of said location light curtain is 1～1.5 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103897231A CN102410815A (en) | 2011-11-30 | 2011-11-30 | Automotive vehicle profile size distance measuring instrument and measuring method used by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103897231A CN102410815A (en) | 2011-11-30 | 2011-11-30 | Automotive vehicle profile size distance measuring instrument and measuring method used by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102410815A true CN102410815A (en) | 2012-04-11 |
Family
ID=45913033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103897231A Pending CN102410815A (en) | 2011-11-30 | 2011-11-30 | Automotive vehicle profile size distance measuring instrument and measuring method used by same |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113011388A (en) * | 2021-04-23 | 2021-06-22 | 吉林大学 | Vehicle outer contour size detection method based on license plate and lane line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11167694A (en) * | 1997-12-04 | 1999-06-22 | Omron Corp | Vehicle detection device |
| CN201133809Y (en) * | 2007-10-29 | 2008-10-15 | 麻伟明 | Automobile contour dimension dynamic automatic measuring equipment |
| CN201184786Y (en) * | 2007-11-09 | 2009-01-21 | 罗江 | Laser coordinate detector for vehicle contour dimension |
| CN201251430Y (en) * | 2008-09-17 | 2009-06-03 | 成都志诚汽车保修检测设备有限公司 | Vehicle physical size measurement device |
| CN202372141U (en) * | 2011-11-30 | 2012-08-08 | 杨茂君 | Distance meter for measuring overall dimension of motor vehicle |
-
2011
- 2011-11-30 CN CN2011103897231A patent/CN102410815A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11167694A (en) * | 1997-12-04 | 1999-06-22 | Omron Corp | Vehicle detection device |
| CN201133809Y (en) * | 2007-10-29 | 2008-10-15 | 麻伟明 | Automobile contour dimension dynamic automatic measuring equipment |
| CN201184786Y (en) * | 2007-11-09 | 2009-01-21 | 罗江 | Laser coordinate detector for vehicle contour dimension |
| CN201251430Y (en) * | 2008-09-17 | 2009-06-03 | 成都志诚汽车保修检测设备有限公司 | Vehicle physical size measurement device |
| CN202372141U (en) * | 2011-11-30 | 2012-08-08 | 杨茂君 | Distance meter for measuring overall dimension of motor vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113011388A (en) * | 2021-04-23 | 2021-06-22 | 吉林大学 | Vehicle outer contour size detection method based on license plate and lane line |
| CN113011388B (en) * | 2021-04-23 | 2022-05-06 | 吉林大学 | Vehicle outer contour size detection method based on license plate and lane line |
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Application publication date: 20120411 |