CN106092606A - Driver's forward view measures system and method - Google Patents
Driver's forward view measures system and method Download PDFInfo
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- CN106092606A CN106092606A CN201610605154.2A CN201610605154A CN106092606A CN 106092606 A CN106092606 A CN 106092606A CN 201610605154 A CN201610605154 A CN 201610605154A CN 106092606 A CN106092606 A CN 106092606A
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- driver
- light receiver
- direction guiding
- receiver screen
- forward view
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
The invention provides a kind of driver's forward view and measure system, including: receive device, analog and central controller；Wherein, described reception device includes: light receiver screen and ground survey platform；According to the optical signal of reception being transformed into the signal of telecommunication, measure the angle value of tested vehicle coordinate under intrinsic coordinate system and emulation mode coordinate system Z plane and ground；Described analog includes: generating laser, three direction guiding rails and be placed in the motor in described three direction guiding rail terminals；Described central controller, in order to control described reception device and described analog, receives above-mentioned scanning result and carries out calculating output.The present invention is converted by V2 point position coordinates, calculates the V2 point ratio at s region projection Yu s region area, and then accurately quickly judges whether any vehicle meets national standard.
Description
Technical field
The present invention relates to Automobile Measuring Techniques field, before particularly relating to a kind of driver's forward view measurement system and driver
Perimetry method.
Background technology
Since China joins WTO, international numerous well-known cars enterprise in succession arrives China and invests and found the factory, and they bring
Brand-new automobile product, also brings the automotive safety theory of advanced person.It is proposed the test method in terms of numerous automotive safeties
Also the Innovation Input to field of automobile safety is increased Deng, the most domestic each car enterprise, built and having the inspection of multiple automotive safety
Survey test chamber, and relate to the detection in terms of automotive safety, test in a large number, tentatively have accumulated certain design and test warp
Test, but gap the biggest compared with the advanced test method in terms of the automotive safety that external car is looked forward to.Especially for vapour
Car driver's field of front vision measures the development of equipment, still belongs to the starting stage at home.Front visual field of automobile driver scope is
Vehicle active safety can an important indicator, automobile have good driver's field of front vision for reduce vehicle accident,
Guarantee that occupant safety has highly important meaning.
At present, domestic Ge great automotive check mechanism is equipped with corresponding forward view detection equipment, can complete test.Main
Method to be used is " looking for a method ", and its measuring principle is to utilize probe contacts windshield or the A post of three-dimensional coordinate measuring instrument,
The coordinate figure of contact, by, in three-dimensional coordinate measuring instrument hardware transport to computer, utilizing the program finished in computer, calculates
Go out this point and eyespot (V1, V2 point) or Pm point line and relation line or the angle in face, then compare with the angle of standard-required,
Popped one's head in by continuous moving, on windshield and A post, finally find the point that conformance with standard requires.But automobile A column size and
It is very big that position differs the impact on Herba Plantaginis sight line, often because the design of A post is unreasonable sight line blind area occurs, thus leads
Cause the generation of security incident.Therefore, in order to ensure the reasonability that the field of front vision of vehicle designs, it is desirable to be able to detection car steering
The detection equipment of member's field of front vision verifies every test parameters of regulation in GB11562 standard.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of by calculating V2 point at s region inner projection and s
The ratio of region area, judges whether vehicle meets the requirement of national standard, measures more fast accurate.
To achieve these goals, it is proposed that following solution:
On the one hand, it is provided that a kind of driver's forward view measures system, including: receive device, analog and central authorities' control
Device processed；Wherein,
Described reception device includes: light receiver screen and ground survey platform；Described light receiver screen, in order to basis
The optical signal of reception is transformed into the signal of telecommunication；Described ground survey platform, in order to measure tested vehicle under intrinsic coordinate system
The angle value on coordinate and emulation mode coordinate system Z plane and ground；
Described analog includes: generating laser, three direction guiding rails and be placed in the motor in described three direction guiding rail terminals；
Described generating laser is placed in described three direction guiding rail end, in order to scan described light receiver screen；Described three direction guiding rails are put
On described ground survey platform, described three direction guiding rail coordinate systems overlap with described ground survey platform coordinate system；Described motor,
Described light receiver screen is scanned along described three direction guiding rails in order to control described generating laser；
Described central controller, in order to control described reception device and described analog, receives above-mentioned scanning result
Carry out calculating output.
Preferably, also include:
Corner driver element, is placed on described ground survey platform, in order to control described ground survey platform relative level
Deflecting facet angle；Wherein, described corner driver element is hydraulic stem or drives motor.
Preferably, described reception device also includes:
It is placed in the guide rail between described light receiver screen and horizontal plane, in order to provide described light receiver screen along the horizontal plane
Translate or translate along vertical plane according to described tested vehicle height requirement.
Preferably, described light receiver screen is formed by single photoconductive resistance dense arrangement, wherein, and each photoconductive resistance root
According to the size output different resistance values receiving light.
Preferably, use in described measurement system need to be placed in darkroom.
On the other hand, the embodiment of the present invention additionally provides a kind of driver's forward view measuring method, including:
Tested vehicle is placed on ground survey platform；
Described ground survey platform is driven to offset, the seat of described tested vehicle characteristic point before and after measuring and being record-shifted
Mark；
Control to be placed in the motor in three direction guiding rail terminals, make the generating laser being placed in described three direction guiding rail end at s
Scanned in regions light receiver screen；Wherein, described three direction guiding rails are placed on described ground survey platform；
Central controller receives data message, calculates the V2 point ratio at s region inner projection Yu s region area.
Preferably, described control is placed in the motor in three direction guiding rail terminals, makes to be placed in swashing of described three direction guiding rail end
Optical transmitting set, before s scanned in regions light receiver screen, also includes:
V2 point coordinates is inputted described central controller, utilizes transform matrix calculations to go out V2 on described ground survey platform
The coordinate of point；Wherein, described transition matrix is obtained by coordinate offset.
Preferably, described light receiver screen is formed by single photoconductive resistance dense arrangement, wherein, and each photoconductive resistance root
According to the size output different resistance values receiving light.
Preferably, described central controller receives data message, calculates V2 point at s region inner projection and s region area
Ratio, including:
When statistics scans described light receiver screen, do not receive the first photoconductive resistance number of light；
Coordinate according to V2 point calculates the area in s region；
With described s region area divided by the sectional area of each photoconductive resistance, calculate all be scanned second photosensitive
Resistance number；
Described first photoconductive resistance number is that V2 point is in s region inner projection and s district with the ratio of described second photoconductive resistance number
The ratio of territory area.
Preferably, described method need to operate in darkroom.
Embodiments of the invention have the advantages that
In such scheme, use and tested vehicle is placed on ground survey platform, make on three direction guiding rails by controlling motor
Generating laser scanning ray receive screen, the characteristic point coordinate of tested vehicle is acquired.Utilize V2 point coordinates and state
Definition to s region in family's standard GB11562-2014, calculates the area in s region, each photosensitive divided by light receiver screen
The sectional area of resistance, and then calculate the V2 point ratio at s region projection Yu s region area, whether see this ratio of tested vehicle
Meet Standard, and then accurately quickly judge whether any vehicle meets national standard.
Accompanying drawing explanation
Fig. 1 measures the structural representation of system for a kind of driver's forward view that the embodiment of the present invention provides；
Fig. 2 a and Fig. 2 b measures the structural representation of system for a kind of driver's forward view that the embodiment of the present invention provides；
A kind of driver's forward view measurement system that Fig. 3 a provides for the embodiment of the present invention controls Z-direction electric rotating machine line by line
Scanning schematic diagram；
A kind of driver's forward view measurement system that Fig. 3 b provides for the present embodiment controls the line feed signal of Y-direction electric rotating machine
Figure；
The flow chart of steps of a kind of driver's forward view measuring method that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
For making embodiments of the invention solve the technical problem that, technical scheme and advantage clearer, below in conjunction with
Drawings and the specific embodiments are described in detail.
As it is shown in figure 1, the structural representation of a kind of driver's forward view measurement system provided for the embodiment of the present invention.This
Inventive embodiment provides a kind of driver's forward view to measure system, including: receive device 101, analog 102 and central authorities
Controller 103；Wherein,
Described reception device 101 includes: light receiver screen 110 and ground survey platform 111；Described light receiver screen
110, in order to be transformed into the signal of telecommunication according to by the optical signal of reception；Described ground survey platform 111, exists in order to measure tested vehicle
The angle value on coordinate under intrinsic coordinate system and emulation mode coordinate system Z plane and ground；
Described analog includes 102: generating laser 120, three direction guiding rail 121 and be placed in described three direction guiding rails 121
Motor 122 in terminal；Described Laser emission 120 device is placed in described three direction guiding rail 121 end, connects in order to scan described light
Receive screen 110；Described three direction guiding rails 121 are placed on described ground survey platform 111, described three direction guiding rail coordinate systems with describedly
Planar survey platform coordinate system overlaps；Described motor 122, right along described three direction guiding rails 121 in order to control described generating laser 120
Described light receiver screen 110 is scanned；
Described central controller 103, in order to control described reception device 101 and described analog 102, receives above-mentioned
Scanning result carries out calculating output.
Preferably, driver's forward view that the embodiment of the present invention provides is measured system and is also included: corner driver element, is placed in
On described ground survey platform 111, in order to control described ground survey platform 111 relative level deflection angle；Wherein, described
Corner driver element is hydraulic stem or drives motor.
Preferably, described reception device 101 also includes: be placed in the guide rail between described light receiver screen 110 and horizontal plane,
In order to provide described light receiver screen 110 to translate along the horizontal plane or to put down along vertical plane according to described tested vehicle height requirement
Move.
Preferably, described light receiver screen 110 is formed by single photoconductive resistance dense arrangement, wherein, and each photosensitive electricity
Root resistance is according to the size output different resistance values receiving light.
Preferably, described measurement system uses in need to being placed in darkroom, gets rid of the other light sources interference to photoconductive resistance.
As shown in Figure 2 a, a kind of driver's forward view provided for the embodiment of the present invention measures the structural representation of system.
Wherein, 1 is light receiver screen upright guide rail, and 2 is light receiver screen, and 3 is light receiver screen level guide rail, and 4 is ground
Measuring table angle driving device, 5 is V2 point analog, and 6 is ground survey platform, and 7 is Three-coordinate measurer, during 8 are
Centre controller.Fig. 2 b is the structural representation of V2 point analog, and wherein, 9 is V2 point analog Z-direction guide rail, and 10 is V2 point
Analog X direction guiding rail, 11 is V2 point analog Y-direction telescopic rail, and 12 is Y-direction electric rotating machine, and 13 is Z-direction electric rotating machine,
14 is generating laser.
A concrete embodiment scheme measuring driver's forward view presented below, receives device and includes light receiver screen
Curtain and ground survey platform.Specifically, light receiver screen is formed by single photoconductive resistance dense arrangement, each photoconductive resistance root
According to the resistance value that the exportable height of size receiving light is different, guide rail between receiving screen with horizontal plane, is had to be connected, can be along the horizontal plane
Translation, it is possible to according to tested vehicle height requirement vertical translation to ensure all standing of S district.On ground survey platform, corner drives dress
Put (can be hydraulic stem can also be to drive motor etc.) and platform relatively horizontally deflecting facet angle, board design shape can be controlled
State coordinate system Z plane and the angle value on design ground, be three-dimensional coordinates measurement platform simultaneously, can measure certain point on vehicle flat at this
Coordinate under the intrinsic coordinate system of platform.
Preferably, analog (i.e. V2 point analog) is made up of generating laser, XYZ three-dimensional guide rail, wherein, and laser
Emitter is arranged on guide rail terminal can move regulation coordinate with guide rail along XYZ three-dimensional, and three-dimensional guide rails assembling is at ground survey platform
On, the coordinate system of three direction formation overlaps with the coordinate system of ground survey platform, and guide rail terminal structure installs motor, and laser is sent out
Emitter can opposite rail terminal rotate along Y-axis, Z axis.Such as, shown in Fig. 3 b, a kind of driver's forward sight provided for the present embodiment
Wild measurement system controls Y-direction electric rotating machine line feed schematic diagram.Can be by controlling three direction guiding rail motors by Laser emission during measurement
Device is placed in V2 point coordinates position under ground survey platform coordinate system, then controls the motor in guide rail terminal, drives Laser emission
Device along S region from left to right, from top to bottom progressively scans light receiver screen.It is that the embodiment of the present invention carries for example, referring to Fig. 3 a
A kind of driver's forward view measurement system of confession controls Z-direction electric rotating machine progressive scan schematic diagram.
Preferably, central controller is light receiver screen platform and the PC control device of V2 point analog and result
After-treatment device.Described central controller major function is used for, and gathers the resistance of each photoconductive resistance output on light receiver screen
Value, sets threshold value R, and wherein whether central controller judges this photoconductive resistance by the relation comparing resistance value and the R received
It is irradiated with a laser；Resistance more than R for being scanned by generating laser, be considered as on the contrary not being scanned, and then can add up
All photoconductive resistance quantity N not being scanned.Deflected by input angle angle value drivingly planar survey platform corner driving means
Respective angles；By three points of Car design state of input (embodiment of the present invention as a example by three characteristic points, but not with this
Be limited) coordinate figure and extract the coordinate of point on the vehicle measured under ground survey platform, by the vehicle that is parked on platform three
Coordinate system in dimension software is transformed under the intrinsic coordinate system of platform；And then, by the Car design V2 point coordinates of input, be converted to put down
Coordinate position under platform coordinate system, according to this position coordinates carry out converting and control receiving screen guide rail light receiver screen is moved to
In GB11562-2014 at the V2 point front 1500mm of regulation；Control V2 point analog and generating laser is adjusted to V2 point position
Put, and control generating laser along Y-axis, Z axis rotation；S district is determined by available V2 point design coordinate and GB11562-2014
Justice, calculates S region area, and the sectional area divided by each photoconductive resistance converses the most inswept photoconductive resistance number M；N and M
Ratio be in GB11562-2014 the V2 point beginning of regulation at the ratio of S region inner projection Yu S region area.
As shown in Figure 4, the flow chart of steps of a kind of driver's forward view measuring method provided for the embodiment of the present invention.Separately
On the one hand, the embodiment of the present invention additionally provides a kind of driver's forward view measuring method, and described measurement includes step:
S401: tested vehicle is placed on ground survey platform；
S402: drive described ground survey platform to offset, described tested vehicle feature before and after measuring and being record-shifted
The coordinate of point；
S403: control to be placed in the motor in three direction guiding rail terminals, make to be placed in the Laser emission of described three direction guiding rail end
Device is at s scanned in regions light receiver screen；Wherein, described three direction guiding rails are placed on described ground survey platform；
S404: central controller receives data message, calculates the V2 point ratio at s region inner projection Yu s region area.
Preferably, described control is placed in the motor in three direction guiding rail terminals, makes to be placed in swashing of described three direction guiding rail end
Optical transmitting set, before s scanned in regions the most described step S403 of light receiver screen, also includes: by described for the input of V2 point coordinates
Central controller, utilizes transform matrix calculations to go out the coordinate of V2 point on described ground survey platform；Wherein, described transition matrix
Obtained by coordinate offset.
Preferably, described light receiver screen is formed by single photoconductive resistance dense arrangement, wherein, and each photoconductive resistance root
According to the size output different resistance values receiving light.
Preferably, described central controller receives data message, calculates V2 point at s region inner projection and s region area
The most described step S404 of ratio, specifically include:
When statistics scans described light receiver screen, do not receive the first photoconductive resistance number of light；
Coordinate according to V2 point calculates the area in s region；
With described s region area divided by the sectional area of each photoconductive resistance, calculate all be scanned (include receiving
To light and do not receive light) the second photoconductive resistance number；
Described first photoconductive resistance number is that V2 point is in s region inner projection and s district with the ratio of described second photoconductive resistance number
The ratio of territory area.
Preferably, the specifically used method step of a kind of driver's forward view measuring method set forth below.First, during use
Device need to be placed in darkroom, gets rid of the other light sources interference to photoconductive resistance.Ground survey platform is reached by needing the vehicle measured
On, In-put design ground deflects respective angles with the angle value of design Z plane to central controller, platform；Use ground survey
Three-coordinates measuring machine on platform, measures three (embodiment of the present invention is as a example by three characteristic points, but is not limited thereto) car loads
Characteristic point, then by respective point coordinate input central controller under Car design state, central controller passes through Coordinate Conversion
Obtain designing the transition matrix between coordinate system and two coordinate systems of ground survey platform coordinate system, by the design coordinate input of V2 point
Centre controller, utilizes transition matrix can calculate the coordinate position of V2 point, central controller controls on ground survey platform
V point is adjusted to the coordinate position of V2 point on ground survey platform by guide rail, controls the motor of guide rail terminal by generating laser at S
Strafe light receiver screen in region line by line, obtain N；The area in S region can be calculated, divided by each according to V2 point design coordinate
The sectional area of photoconductive resistance can draw all inswept photoconductive resistance quantity M, and the ratio of N Yu M is in GB11562-2014 rule
Fixed V2 point starts the ratio at S region inner projection Yu S region area.
For embodiment of the method, due to itself and device embodiment basic simlarity, so describe is fairly simple, relevant
Part sees the part of device embodiment and illustrates.
In sum, the embodiment of the present invention uses and is placed on ground survey platform by tested vehicle, makes by controlling motor
Generating laser scanning ray on three direction guiding rails receives screen, is acquired the characteristic point coordinate of tested vehicle.Utilize V2
Definition to s region in point coordinates and standard GB/T 11562-2014, calculates the area in s region, divided by light receiver screen
The sectional area of each photoconductive resistance of curtain, and then calculate V2 point at the ratio of s region projection Yu s region area, see tested vehicle
Whether this ratio meets Standard, and then accurately quickly judges whether any vehicle meets national standard.
In each method embodiment of the present invention, the priority that the sequence number of described each step can not be used for limiting each step is suitable
Sequence, for those of ordinary skill in the art, on the premise of not paying creative work, changes also the priority of each step
Within protection scope of the present invention.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (10)
1. driver's forward view measures system, it is characterised in that including: receives device, analog and central authorities and controls
Device；Wherein,
Described reception device includes:
Light receiver screen and ground survey platform；
Described light receiver screen, in order to be transformed into the signal of telecommunication according to by the optical signal of reception；
Described ground survey platform, in order to measure tested vehicle coordinate under intrinsic coordinate system and emulation mode coordinate system Z
Plane and the angle value on ground；
Described analog includes:
Generating laser, three direction guiding rails and be placed in the motor in described three direction guiding rail terminals；
Described generating laser is placed in described three direction guiding rail end, in order to scan described light receiver screen；
Described three direction guiding rails are placed on described ground survey platform, and described three direction guiding rail coordinate systems are sat with described ground survey platform
Mark system overlaps；
Described motor, is scanned described light receiver screen along described three direction guiding rails in order to control described generating laser；
Described central controller, in order to control described reception device and described analog, receives above-mentioned scanning result and carries out
Calculate output.
Driver's forward view the most according to claim 1 measures system, it is characterised in that also include:
Corner driver element, is placed on described ground survey platform, inclined in order to control described ground survey platform relative level
Gyration；Wherein, described corner driver element is hydraulic stem or drives motor.
Driver's forward view the most according to claim 1 measures system, it is characterised in that described reception device also includes:
It is placed in the guide rail between described light receiver screen and horizontal plane, in order to provide described light receiver screen to translate along the horizontal plane
Or translate along vertical plane according to described tested vehicle height requirement.
Driver's forward view the most according to claim 1 measures system, it is characterised in that described light receiver screen is by list
Individual photoconductive resistance dense arrangement forms, and wherein, each photoconductive resistance is according to the size output different resistance values receiving light.
5. measure system according to the driver's forward view described in any one of claim 1-4, it is characterised in that described measurement system
Use in need to being placed in darkroom.
6. driver's forward view measuring method, it is characterised in that including:
Tested vehicle is placed on ground survey platform；
Described ground survey platform is driven to offset, the coordinate of described tested vehicle characteristic point before and after measuring and being record-shifted；
Control to be placed in the motor in three direction guiding rail terminals, make the generating laser being placed in described three direction guiding rail end in s region
Interscan light receiver screen；Wherein, described three direction guiding rails are placed on described ground survey platform；
Central controller receives data message, calculates the V2 point ratio at s region inner projection Yu s region area.
Driver's forward view measuring method the most according to claim 6, it is characterised in that described control is placed in three direction guiding rails
Motor in terminal, make the generating laser being placed in described three direction guiding rail end s scanned in regions light receiver screen it
Before, also include:
V2 point coordinates is inputted described central controller, utilizes transform matrix calculations to go out V2 point on described ground survey platform
Coordinate；Wherein, described transition matrix is obtained by coordinate offset.
Driver's forward view measuring method the most according to claim 7, it is characterised in that described light receiver screen is by list
Individual photoconductive resistance dense arrangement forms, and wherein, each photoconductive resistance is according to the size output different resistance values receiving light.
Driver's forward view measuring method the most according to claim 8, it is characterised in that described central controller receives number
It is believed that breath, calculate the V2 point ratio at s region inner projection Yu s region area, including:
When statistics scans described light receiver screen, do not receive the first photoconductive resistance number of light；
Coordinate according to V2 point calculates the area in s region；
With described s region area divided by the sectional area of each photoconductive resistance, calculate all the second photoconductive resistance being scanned
Number；
Described first photoconductive resistance number is that V2 point is in s region inner projection and s area surface with the ratio of described second photoconductive resistance number
Long-pending ratio.
10. according to the driver's forward view measuring method described in any one of claim 6-9, it is characterised in that described method needs
Darkroom operates.
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| CN109991019A (en) * | 2017-08-11 | 2019-07-09 | 西华大学 | Automotive visibility check method |
| CN108982120A (en) * | 2018-07-26 | 2018-12-11 | 北京新能源汽车股份有限公司 | A kind of automobile back view verifying device |
| CN111521414A (en) * | 2020-06-19 | 2020-08-11 | 上海机动车检测认证技术研究中心有限公司 | Projection measurement system |
| CN112561867A (en) * | 2020-12-04 | 2021-03-26 | 北京现代汽车有限公司 | Method and device for detecting vehicle S region visual field |
| CN114913166A (en) * | 2022-05-30 | 2022-08-16 | 东风汽车集团股份有限公司 | Rapid detection method and system for front view S area |
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Effective date of registration: 20190415 Address after: No.1 Tongxin Road, Zhaoquanying Town Zhaofeng Industrial Base, Shunyi District, Beijing 100130 Patentee after: Beijing automobile group cross-country car Co., Ltd. Address before: 101300 99 Shuanghe street, Renhe Town, Shunyi District, Beijing Patentee before: Beijing Automobile Research General Institute Co., Ltd. |