CN107764567A - A kind of automobile automatic emergency brake system test device and method - Google Patents
A kind of automobile automatic emergency brake system test device and method Download PDFInfo
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- CN107764567A CN107764567A CN201711134338.6A CN201711134338A CN107764567A CN 107764567 A CN107764567 A CN 107764567A CN 201711134338 A CN201711134338 A CN 201711134338A CN 107764567 A CN107764567 A CN 107764567A
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- 238000012360 testing method Methods 0.000 title claims abstract description 161
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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
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Abstract
The present invention discloses a kind of automobile automatic emergency brake system test device and method, it is the setting automobile automatic emergency brake system test device on a towing vehicle, there is the supporting structure of one group of extensible length and conversion angle in device, one simulated panel is installed in the end of supporting structure, single open-work film is set on simulated panel, the motor vehicles for simulating various traffic scenes, non power driven vehicle or pedestrian's picture are printed with single open-work film；Distance measuring sensor and electric-control system are also set up in device, electric-control system carries out information exchange with test vehicle, and test device collision free is withdrawn apart from rear electric-control system obtaining two cars.Because towing vehicle is not always located on the driving path of test vehicle, it is possible to avoid testing the collision of vehicle and towing vehicle, and traffic scene is conveniently replaced, and various road conditions can be tested with set of device.
Description
Technical field
The present invention relates to a kind of automobile active safety system performance testing device and method, more particularly to a kind of automatic tight
The test device and method of anxious brakes (AEB).
Background technology
Automobile automatic emergency brake system (AEB, Autonomous Emergency Breaking) is a kind of automobile active
Security system, it is (motor vehicle, non-that system monitors target lead object by millimetre-wave radar, laser radar, the first-class sensor of shooting
Motor vehicle, pedestrian etc.), and relative velocity and distance between object are detected, imminent situation is studied and judged, and in danger
In the case of alarmed or take brake hard automatically to avoid or reducing collisions.
The quality of AEB systematic functions needs to be tested at test site, and test needs to reproduce risk of collision operating mode, general bag
Include from car and run at a low speed target, the mesh close in front of while objects ahead at the uniform velocity close to front stationary target, at the uniform velocity close to front
Mark slow down etc., empirical risk coefficient is higher, when have collision accident, cause injury to personnel and device damage, property loss
It is huge.A kind of it is therefore proposed that test dress that can be simulated from front side target and can avoid or reduce risk of collision generation
Put extremely important.
The content of the invention
It is existing to solve it is an object of the invention to provide a kind of automobile automatic emergency brake system test device and method
Problem present in technology, by using a kind of analogue means, automobile automatic emergency brake system (AEB) or its part are carried out
Test or detection, the analogue means can substitute real obstacle target in front of test carriage, simulate real motor vehicle, non-machine
Motor-car or pedestrian are tested, and reduce personnel and property loss.
The present invention provides a kind of automobile automatic emergency brake system method of testing, it is characterised in that：It is in a towing vehicle
One automobile automatic emergency brake system test device of upper setting, test vehicle is tested by described device, described device
In be provided with the supporting structure of one group of extensible length and conversion angle, the one adjustable height of installation in the end of the supporting structure
The simulated panel of degree, single open-work film is provided with the simulated panel, the various traffic fields of simulation are printed with single open-work film
Motor vehicles, non power driven vehicle or pedestrian's picture in scape, by changing the installation site of test device on the towing vehicle, with
And the different driving modes of towing vehicle, realize that multi-state is tested.
Further, distance measuring sensor and electric-control system are additionally provided with the test device, is wrapped in the electric-control system
Contain ZigBee wireless communication systems, differential global positioning system, inertial navigation system, automatic control system；
The differential global positioning system records current location information, and positional information is sent into automatic control system；The survey
Simulated panel is measured away from sensor and tests the real-time range of vehicle, and the range information measured is sent to automatically control and is
System；
The automatic control system receives the information of the differential GPS information and distance measuring sensor on towing vehicle, and
Obtain testing on vehicle after differential GPS information by ZigBee radio communications system, by calculating, draw current two cars distance, when
When testing the distance of vehicle and test device less than the safe distance set, automatic control system controls the supporting structure to receive
Return, avoid testing the collision of vehicle and test device.
The present invention also provides a kind of automobile automatic emergency brake system test device, it is characterised in that：The test device
On a towing vehicle, include supporting structure, simulated panel, distance measuring sensor and electric-control system；
The supporting structure includes the connected mounting bracket of order, intermediate support, end support, wherein the mounting bracket
On the towing vehicle, the intermediate support and end support are extensible support, and can relative to the mounting bracket for installation
Adjustment angle, simulated panel and distance measuring sensor are installed on the end support；
Single open-work film is provided with the simulated panel, is printed with single open-work film motor-driven in the various traffic scenes of simulation
Vehicle, non power driven vehicle or pedestrian's picture；
The distance measuring sensor electrically connects with electric-control system, and the electric-control system is with carrying out automobile automatic emergency brake system
The test vehicle of test carries out information exchange, calculates the towing vehicle with testing the distance of vehicle.
Further, the mounting bracket includes upper bracket, lower carriage and middle link, and the upper bracket, which is fixed on, to be led
Draw on the roof of vehicle, the lower carriage is fixed on the bottom of the towing vehicle；The other end of the upper bracket and lower carriage
By first group the intermediate support is connected from resilience articulated mounting.
Further, the intermediate support connects end support by second group from resilience articulated mounting.
Further, the structure from resilience articulated mounting includes magnetic valve, back-moving spring, lock pin, gear, plane whirlpool
Coil spring, central shaft, steady pin, housing；
The lock pin is stuck in the presence of magnetic valve and back-moving spring in the teeth groove of the gear, or is departed from gear
Teeth groove；
The plane scroll spring is around on center shaft, and the inner of plane scroll spring is fixed in the groove of central shaft, outside
End is stuck on steady pin, and the steady pin is fixed on gear, and the gear outwards connects intermediate support or end support.
Further, there are the inclined-plane of 20 °~70 ° angles, the neck on the inclined-plane and the gear in the lock pin front end
For smooth contact.
Further, slide rail is welded with the end support, is arranged on the cunning simulated panel position adjustable
In rail.
As described above, electric-control system include ZigBee wireless communication systems, differential global positioning system, inertial navigation system, from
Autocontrol system, the differential global positioning system records towing vehicle current location information, and positional information is sent to and automatically controlled
System；The distance measuring sensor measurement simulated panel sends information to automatically control and is with testing the real-time range of vehicle
System；The automatic control system receives the information of the differential GPS information and distance measuring sensor on towing vehicle, and passes through
ZigBee radio communications system obtains testing on vehicle after differential GPS information, by calculating, current two cars distance is drawn, when automatic
When control system learns that two cars are too near, test device supporting structure, collision free are withdrawn.
The back side of car light pattern position is also equipped with LED display on single open-work film, simulates true car light effect
Fruit.
The present invention significantly has the beneficial effect that：
1. because there is provided test device, towing vehicle is not always positioned at testing on the driving path of vehicle, so can
To avoid testing the collision of vehicle and towing vehicle, avoid that serious security incident occurs.Thus, the present invention is effective.
2. towing vehicle can be travelled with test device with 0-150Km/h speed, can be required for coverage test operating mode
Velocity interval, the test device can substitute realistic objective vehicle, thus the present invention is effective.
3. the present invention can realize a variety of measurement conditions, the simulated panel is arranged in the guide rail of end support, and energy
Enough freely to adjust height, it possesses height adjustable, the adjustable function in direction, thus the present invention is effective.
4. by printing motor vehicles, non power driven vehicle or pedestrian image on single open-work film, and change the model
The position of device on the towing vehicle, the test scenes such as front non power driven vehicle, pedestrian, side pedestrian can be simulated.The model
Device can substitute realistic objective non power driven vehicle and pedestrian, possess the variable function of simulated target, thus the present invention is that have
Effect.
5. vehicle frontal, side, afterbody image can be printed on single open-work film, it is possible to simulating test device with
The traveling in the same direction, opposite traveling, lateral driving scene of vehicle are tested, further, single open-work film has true car, non-maneuver, OK
Radar signature, reflectivity and the visual signature of people, thus, the model equipment can substitute realistic objective vehicle, non-motor vehicle with
And pedestrian, thus the present invention is effective.
6. further, in the test device high-speed mobile, have less due to the porous feature of single open-work film
Windage.
7. the electric-control system includes ZigBee wireless communication systems, differential global positioning system, inertial navigation system, automatic control
System processed, distance measuring sensor.ZigBee wireless communication systems can in real time and test vehicle be communicated, exchange differential GPS and
The data message of distance measuring sensor, judge to test vehicle and test device current Ubiety.When test vehicle and test device
When distance is less than the safe distance of setting, automatic control system connects power of electromagnetic valve, and intermediate support, end support quickly return
Bullet, folding are packed up, and can avoid testing the collision of vehicle and test device.Thus, the present invention is effective.
8. further, when electric-control system failure, because lock pin side has the inclined-plane of certain angle, in less impact force
Under plane scroll spring power collective effect, gear can overcome the inhibition of lock pin to realize rotation, reducing collisions loss.Cause
And the present invention is effective.
9. further, covered with suction in mounting bracket and intermediate support surface, electric-control system and distance measuring sensor shell
Wave material, the erroneous judgement of the AEB systems with millimetre-wave radar caused by metallic support and shell, the test device energy can be avoided
Realistic objective vehicle is enough substituted, thus the present invention is effective.
Other features and advantages of the present invention will illustrate in the following description, and partial become from specification
It is clear that or understood by implementing the present invention.
Brief description of the drawings
Accompanying drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention.
Fig. 1 shows main structure schematic diagram of the present invention.
Fig. 2 displays three sections of supporting structure schematic diagrames of the invention.
The device expansion process schematic of Fig. 3 display present invention.
Fig. 4-1 displays are of the invention from resilience articulated mounting structure schematic cross-sectional view.
Fig. 4-2 shows that structural representation is seen in Fig. 4-1 front.
Fig. 5 shows analog board and end support assembly relation schematic diagram of the present invention.
The single open-work film printing image schematic diagram of Fig. 6 display present invention.
Fig. 7 shows that the present invention knocks into the back test scene.
Fig. 8 shows present invention phase always car test scene.
Fig. 9 display present invention laterally carrys out car test scene.
Figure 10 shows pedestrian's test scene of the present invention.
Embodiment
With reference to specific drawings and examples, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate
The present invention rather than limitation the scope of the present invention, for the person of ordinary skill of the art, original of the invention is not being departed from
On the premise of reason, need not move through other technical characteristics that creative work can just be associated, can also make it is some deformation and
Improve, these equivalent form of values equally fall within the scope of the application appended claims restriction.
The present invention provides a kind of automobile automatic emergency brake system test device, including electric-control system 1, mounting bracket 2, in
Between support 3, end support 4, distance measuring sensor 5, simulated panel 6, from the parts such as resilience articulated mounting 7 and tractor 8, these portions
Part combination is attached on tractor 8, is walked for hauling them, as shown in Figure 1.
Electric-control system 1 can be temporarily fixed on the roof of tractor, or is fixed in mounting bracket 2.Mounting bracket
2nd, the attachment structure of intermediate support 3, end support 4 is as shown in Fig. 2 mounting bracket 2 includes upper bracket, lower carriage and middle connection
Same one end (one end being installed on car) of frame, upper bracket and lower carriage is respectively provided with a leg 201, is opened on the two legs
There are threaded perforations, upper bracket is used to carry out bolt connection by leg 201 and tractor roof, and lower carriage is used to pass through leg
201 carry out bolt connection with traction car bottom.
Another same side of upper bracket and lower carriage, respectively by one from one end of resilience articulated mounting 7 and intermediate support 3
Hinged, hereinafter referred to as first group from resilience articulated mounting；The other end of intermediate support 3 passes through upper and lower two from times again
Play articulated mounting 7 and end support 4 is hinged, hereinafter referred to as second group from resilience articulated mounting.Intermediate support 3 and end
Support 4 all uses truss structure, can increase its rigidity of structure, and scalable adjustment length, and intermediate support 3 passes through with installing branch
Connect first group of frame 2 stretches from resilience articulated mounting, and end support 4 is by be connected with intermediate support 3 second group from resilience
Articulated mounting stretch, and end support 4 relative to intermediate support 3 can random adjustment angle, both both can be in the same plane
Expansion, can also be in that 90 ° of angles are deployed, as shown in figure 3, can also deploy between 0-90 °, this is advantageous to do various tests, such as
Knock into the back test, or central collision test, or side collision test.
Required according to test index, the length of intermediate support 3 is about 2m~3m, is highly about 1m~2m, end support 4
Length is about 1m~2.5m, height is about 0.2m~1m enough.
From the structure of resilience articulated mounting 7 as shown in Fig. 4-1,4-2, including magnetic valve 701, back-moving spring 702, lock pin
703rd, gear 704, plane scroll spring 705, central shaft 706, self-lubricating bearing 707, steady pin 708, housing 709.
There is teeth groove on the ring week of gear 704, lock pin 703 is in the presence of magnetic valve 701 and back-moving spring 702 or is stuck in gear
In 704 teeth groove, or depart from the teeth groove of gear 704；Plane scroll spring 705 is wound on central shaft 706, during the inner is fixed on
In the groove of mandrel 706, outer end is stuck on steady pin 708, and steady pin 708 is fixed on gear 704；Self-lubricating bearing 707 is enclosed on
On central shaft 706, housing 709 from resilience articulated mounting to integrally carrying out outer packing.
When the magnetic valve 701 that electric-control system 1 is not given on housing 709 is powered, lock pin 703 is in back-moving spring 702
Under effect, it is stuck in the teeth groove of gear 704, prevents gear 704 from turning, plane scroll spring 705 is in rolled state.When automatically controlled
When the magnetic valve 701 that system 1 is given on housing 709 is powered, electromagnetic force lifting lock pin 703, lock pin 703 departs from gear 704, such as
When fruit does not have external force effect, now under the active force of plane scroll spring 705, gear 704 can be with quick rotation.Work as gear
704 when turning to correct position, disconnects the power supply of magnetic valve 701, and lock pin 703 is under the active force of back-moving spring 702, fortune downwards
It is dynamic, gear 704 is pinned again, prevents it from freely rotating.
Collided in emergency circumstances with test device in test vehicle, if electric-control system 1 fails, electromagnetism can not be given
When valve 701 is powered, lock pin 703 will lock up gear 704, only lock pin can not be overcome to hinder under the active force of plane scroll spring 705
Hinder, gear 704 will be unable to rotate.So further, the front end face of lock pin 703 can be processed to one 20 °~70 ° angles
Inclined-plane, the inclined-plane and gear 704 are smooth contact, and disengaging gear is more convenient, due to the presence on this inclined-plane, if certain
Collision external force and plane scroll spring power collective effect under, the can of gear 704 jacks up lock pin 703, turns over certain angle
Degree, the end support being connected with gear can be rotated, and folding is packed up.
At first group from resilience articulated mounting, central shaft 706, housing 709 are fixed in mounting bracket 2,704 sets of gear
It is located on central shaft 706, gear 704 outwards connects intermediate support 3；At second group from resilience articulated mounting, central shaft 706,
Housing 709 is fixed on intermediate support 3, and gear 704 is set on central shaft 706, and gear 704 outwards connects end support 4.Institute
So that when being acted from resilience articulated mounting gear for first group, intermediate support 3 deploys, and is moved when second group from resilience articulated mounting gear
When making, end support 4 deploys.
The installation direction of two plane scroll springs from resilience geared system 7 between mounting bracket 2 and intermediate support 3
(spring rotation direction) for clockwise, two between intermediate support 3 and end support 4 from the plane whirlpool of resilience geared system 7
The installation direction (spring rotation direction) of coil spring is counterclockwise.When test device is deployed, connected and installed by electric-control system 1
Two power supplys of magnetic valve 701 from resilience articulated mounting 7 on support 2, and the intermediate support 3 that gear 704 connects can be counterclockwise
Rotate, be then turned off this power supply of magnetic valve 701, gear 704 is locked, and the intermediate support 3 now connected with gear 704 is consolidated
It is fixed.After intermediate support 3 is fixed, two power supplys of magnetic valve 701 from resilience articulated mounting 7 on intermediate support 3, and tooth are connected
The end support 4 of the connection of wheel 704 overcomes plane scroll spring active force to rotate clockwise under external force, then disconnects this again
The power supply of magnetic valve 701 at one, gear 704 are lockable, and the end support 4 being now connected with gear 704 is fixed, test
Device expansion process terminates, as shown in Figure 3.
Arrangement above mode can also be two putting down from resilience geared system 7 between mounting bracket 2 and intermediate support 3
The installation direction (spring rotation direction) of face scroll spring is counterclockwise, two between intermediate support 3 and end support 4 is returned certainly
The installation direction (spring rotation direction) of the plane scroll spring of elastic claw wheel apparatus 7 is such test device expansion side clockwise
To contrast, depending on this requirement with the installation site and test event of mounting bracket 2, operating principle is all.
As shown in Figure 2 and Figure 5, simulated panel 6 is arranged on end support 4.Two strips are welded with end support 4
Respectively L-type and T-shaped slide rail are used for installing simulated panel 6, are designated as L-type slide rail 401 and T-shaped slide rail 402 respectively；Two slide rails
Length is about 0.4m~1.2m, and screwed hole is evenly equipped with L-type slide rail 401, can use the interior fixed-analog panel of hexagonal holding screw 403
Position, and convenient regulation simulated panel height.Simulated panel 6, which includes simulated panel framework 601, single open-work film 602, L-type, leads
Pin 603, T-shaped pilot pin 604；The L-type pilot pin 603 of simulated panel 6 is welded on the left end frame of simulated panel framework 601, its quantity
For 2~6, position is uniform；T-shaped pilot pin 604 is welded on the longeron of simulated panel frame mid portion, and its quantity is 2~6, position
Put uniform；The position of L-type pilot pin 603 and T-shaped pilot pin 604 corresponds respectively to L-type slide rail 401 and T-shaped slide rail on end support 4
402 position, L-type pilot pin 603 are embedded into L-type slide rail 401, and T-shaped pilot pin 604 is embedded into T-shaped slide rail 402, can be along rail
Road slides, and passes through position of the interior fixed-analog panel 6 of hexagonal holding screw 403 on end support 4.The length of simulated panel 6 is big
About 1.5m~4m, height are about 0.8m~4.5m.L-type pilot pin 603 and T-shaped pilot pin 604 respectively can also for a strip.
Single open-work film 602 is fixed on simulated panel framework 601, as shown in fig. 6, can be with printing machine on single open-work film 602
Motor-car, non power driven vehicle, pedestrian dummy figure.Single open-work film has radar signature, reflectivity and the visual signature of true car.
Distance measuring sensor 5 is fixed on the upper left quarter of simulated panel 6.
Electric-control system 1 includes ZigBee wireless communication systems, differential global positioning system, inertial navigation system, automatically controls and be
System, electric-control system 1 can control the position letter that distance measuring sensor 5 can also be received from the magnetic valve on resilience articulated mounting 7
Breath.
Differential global positioning system record current location information on towing vehicle, and positional information is sent to automatically control and is
System；Distance measuring sensor 5 measures simulated panel and tests the real-time range of vehicle, and the range information measured is sent to automatically
Control system；Automatic control system is received on towing vehicle after the information of differential GPS and distance measuring sensor 5, and is passed through
ZigBee radio communications system obtains testing on vehicle after differential GPS information, is analyzed by calculating, draws current two cars distance.When
When testing vehicle and test device distance less than the safe distance set, automatic control system connects the power supply of magnetic valve 701, centre
Support 3,4 quick resilience of end support, folding are packed up, can avoided in test process, if the AEB systems on test vehicle
Do not work when being braked, test the collision of vehicle and test device.
Can be covered with absorbing material on above-mentioned three sections of rack surfaces, electric-control system and distance measuring sensor shell, can be with
Avoid the erroneous judgement of the AEB systems with millimetre-wave radar caused by metallic support.
In night test scene, LED display is installed at the back side of single open-work film car light pattern position, it is true to simulate
Real vehicle lamp effect.
According to different testing requirements, it need to only change position, change intermediate support 3, end of the mounting bracket 2 on tractor
Hold target image on the expanded angle of support 4 and single open-work film, it is possible to simulate a variety of test scenes.
The present invention provides a kind of automobile automatic emergency brake system method for testing security using said apparatus：
In the test scene that knocks into the back, as shown in Figure 7.Mounting bracket 2 is fixed on towing vehicle right lateral side, vehicle figure will be printed on
The simulated panel 6 of picture is fixed on end support 4, and will highly be adjusted to suitable position.Then magnetic valve is connected, by centre
Support 3 and end support 4 turn to corresponding position, the face rear of simulated panel 6 on end support 4 is tested vehicle.It is disconnected
After open electromagnetic valve power supply, now intermediate support 3, end 4 can remain stationary.Driving can be entered to knock into the back static car (Car-to-
Car Rear Stationary, CCRs), knock into the back sport(s) car (Car-to-CarRear Moving, CCRm), car of car knock into the back braking
The test of car (Car-to-Car Rear Breaking.CCRb) three kinds of measurement conditions.Under CCRs operating modes, tractor is static not
It is dynamic, it is parked in the left track of test vehicle, test panel center line is conllinear with the test vehicle longitudinal axis.Under CCRm operating modes, lead
Draw car in the left front track of test vehicle, test panel is right against test vehicle.Tractor is dragged with defined test speed
This test device is draged to move forwards.Under CCRb operating modes, tractor is in the left front track of test vehicle, and test panel is just
For testing vehicle.Test vehicle driving trace is not entered to test safe tractor.Tractor is dragged with defined deceleration
Test device is draged to move forwards.
In mutually always car test scene, as shown in Figure 8.Mounting bracket 2 is fixed on towing vehicle left front, car will be printed on
The simulated panel 6 of image is fixed on end support 4, and will highly be adjusted to suitable position.Then magnetic valve is connected, will
Intermediate support 3 and end support 4 turn to corresponding position, make test carriage in front of the face of simulated panel 6 on end support 4
.After disconnecting power of electromagnetic valve, now intermediate support 3 and end support 4 can remain stationary.Tractor is in test vehicle
In the track of left front, test panel is right against test vehicle, to simulate mutually always parking lot scape.Do not enter to test safe tractor
Enter to test vehicle driving trace.Tractor is with defined test speed towing test device and test vehicle move toward one another.
Laterally carrying out car test scene, as shown in Figure 9.Mounting bracket 2 is fixed on towing vehicle left front, car will be printed on
The simulated panel 6 of image is fixed on end support 4, and will highly be adjusted to suitable position.Then magnetic valve is connected, will
Intermediate support 3 and end support 4 turn to corresponding position, make the face side test carriage of simulated panel 6 on end support 4
.After disconnecting power of electromagnetic valve, now intermediate support 3 and end support 4 can remain stationary.Tractor tows test dress
The driving trace line from the one o'clock position transverse crossing test vehicle of test vehicle is put, test panel is right against test vehicle,
With analog side always parking lot scape.In order to test safety, tractor does not pass through test vehicle driving trace line.Tractor is with defined
Test speed towing test device motion.
In pedestrian's test scene, as shown in Figure 10.Mounting bracket 2 is fixed on towing vehicle left front, pedestrian will be printed on
The simulated panel 6 of image is fixed on end support 4, and will highly be adjusted to suitable position.Then magnetic valve is connected, by
Between support 3 and end support 4 turn to corresponding position, the face side of simulated panel 6 on end support 4 is tested vehicle.
After disconnecting power of electromagnetic valve, now intermediate support 3 and end support 4 can remain stationary.Tractor tows test device
From the driving trace line of the right front roadside transverse crossing test vehicle of test vehicle, test panel is right against test vehicle, with
The scene that simulation pedestrian jaywalks.Led to test safety, draw car and do not pass through test vehicle driving trace line.Tractor is to advise
Fixed test speed towing test device motion.
By above-mentioned, the present invention can provide a kind of automobile automatic emergency brake system method of testing, and this method is exactly
By setting an automobile automatic emergency brake system test device on a tractor, using the device to automatic for testing
The test vehicle of emergency braking system is tested, and the device includes the supporting structure of an extensible operation, in the end of support
One simulated panel is installed, single open-work film is provided with simulated panel, by single open-work film print motor vehicles, non power driven vehicle,
The pictures such as pedestrian, simulated panel is hauled by tractor during test and walked, simulates various traffic scenes, occurred with test vehicle each
The scrnario testing of type.
Distance measuring sensor and electric-control system are additionally provided with the apparatus, and mould is sent to electric-control system by distance measuring sensor
Intend panel with testing the distance signal of vehicle, information exchange is carried out by electric-control system and test vehicle, know two cars distance too
When near, the recoverable test device of electric-control system, the generation with test vehicle collision is avoided.
Test device and method provided by the invention, real scene simply is substituted with analog picture, avoids generation real vehicle
Collision, test process is also very simple, and position of the supporting structure on tractor need to be only changed according to the requirement of different test scenes
With the picture on single open-work film.
Claims (10)
- A kind of 1. automobile automatic emergency brake system method of testing, it is characterised in that：It is that an automobile is set on a towing vehicle Automatic emergency brake system test device, test vehicle is tested by described device, one group is provided with described device The supporting structure of extensible length and conversion angle, one height adjustable falseface is installed in the end of the supporting structure Plate, single open-work film is provided with the simulated panel, be printed with single open-work film motor-driven in the various traffic scenes of simulation Vehicle, non power driven vehicle or pedestrian's picture, by changing the installation site of test device on the towing vehicle, and towing vehicle Different driving modes, realize multi-state test.
- 2. automobile automatic emergency brake system method of testing according to claim 1, it is characterised in that：The test device In be additionally provided with distance measuring sensor and electric-control system, ZigBee wireless communication systems, differential GPS are included in the electric-control system System, inertial navigation system, automatic control system；The differential global positioning system records current location information, and positional information is sent into automatic control system；The ranging passes Sensor measures simulated panel and tests the real-time range of vehicle, and the range information measured is sent into automatic control system；The automatic control system receives the information of the differential GPS information and distance measuring sensor on towing vehicle, and passes through ZigBee radio communications system obtains testing on vehicle after differential GPS information, by calculating, draws current two cars distance, works as test When the distance of vehicle and test device is less than the safe distance of setting, automatic control system controls the supporting structure to withdraw.
- A kind of 3. automobile automatic emergency brake system test device, it is characterised in that：Described device is arranged on a towing vehicle, Include supporting structure, simulated panel, distance measuring sensor and electric-control system；The supporting structure includes the connected mounting bracket of order, intermediate support, end support, wherein the mounting bracket is installed On the towing vehicle, the intermediate support and end support are telescopic support, and adjustable relative to the mounting bracket Whole angle, simulated panel and distance measuring sensor are installed on the end support；Single open-work film is provided with the simulated panel, the motor vehicle simulated in various traffic scenes is printed with single open-work film , non power driven vehicle or pedestrian's picture；The distance measuring sensor electrically connects with electric-control system, and the electric-control system is with carrying out automobile automatic emergency brake system test Test vehicle carry out information exchange, calculate the towing vehicle with test vehicle distance.
- 4. automobile automatic emergency brake system test device according to claim 3, it is characterised in that：The mounting bracket Including upper bracket, lower carriage and middle link, the upper bracket is fixed on the roof of towing vehicle, and the lower carriage is fixed In the bottom of the towing vehicle；The upper bracket connects institute by first group with the other end of lower carriage from resilience articulated mounting State intermediate support.
- 5. automobile automatic emergency brake system test device according to claim 3, it is characterised in that：The intermediate support By second group end support is connected from resilience articulated mounting.
- 6. the automobile automatic emergency brake system test device according to claim 4 or 5, it is characterised in that：It is described to return certainly Playing the structure of articulated mounting includes magnetic valve, back-moving spring, lock pin, gear, plane scroll spring, central shaft, steady pin, shell Body；The lock pin is stuck in the presence of magnetic valve and back-moving spring in the teeth groove of the gear, or departs from the tooth in gear Groove；The plane scroll spring around on center shaft, be fixed in the groove of central shaft by the inner of plane scroll spring, outer end card On steady pin, the steady pin is fixed on gear, and the gear outwards connects intermediate support or end support.
- 7. automobile automatic emergency brake system test device according to claim 6, it is characterised in that：The lock pin front end There is the inclined-plane of 20 °~70 ° angles, the neck on the inclined-plane and the gear is smooth contact.
- 8. automobile automatic emergency brake system test device according to claim 3, it is characterised in that：The end support On be welded with slide rail, be arranged in the slide rail simulated panel position adjustable.
- 9. automobile automatic emergency brake system test device according to claim 3, it is characterised in that：The electric-control system Include ZigBee wireless communication systems, differential global positioning system, inertial navigation system, automatic control system；The differential global positioning system records towing vehicle current location information, and positional information is sent into automatic control system；The distance measuring sensor measurement simulated panel sends information to automatically control and is with testing the real-time range of vehicle System；The automatic control system receives the information of the differential GPS information and distance measuring sensor on towing vehicle, and passes through ZigBee radio communications system obtains testing on vehicle after differential GPS information, by calculating, draws current two cars distance.
- 10. automobile automatic emergency brake system test device according to claim 3, it is characterised in that：It is saturating in the list The back side of car light pattern position is provided with LED display on pore membrane, simulates true car light effect.
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