CN208043423U - A kind of collision prevention of vehicle test simulation test platform - Google Patents
A kind of collision prevention of vehicle test simulation test platform Download PDFInfo
- Publication number
- CN208043423U CN208043423U CN201820442106.0U CN201820442106U CN208043423U CN 208043423 U CN208043423 U CN 208043423U CN 201820442106 U CN201820442106 U CN 201820442106U CN 208043423 U CN208043423 U CN 208043423U
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- test
- whirling
- vehicle
- test stand
- reflecting target
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Abstract
The utility model provides a kind of collision prevention of vehicle test simulation test platform,The whirling test stand driven by driving motor is set,The more than two reflecting targets different from whirling test stand center spacing are set in the periphery of whirling test stand,Test vehicle is placed on whirling test stand center to rotate synchronously with whirling test stand,Test setting laser range finder and anticollision processor on vehicle,Laser range finder includes timing module,Anticollision processor includes memory module,Computing module and monitoring module,Computing module receives the test data of laser range finder and test data and pre-stored data is analysed and compared to determine whether to provide brake signal,Whether monitoring module record computing module provides brake signal and provides the timeliness of brake signal,The information recorded by monitoring module is corrected computing module,Complete the simulation test of anticollision test,Without the on-the-spot test in highway or special test ground,Dramatically save manpower,Material resources and experimentation cost.
Description
Technical field
The utility model is related to technical field of vehicle safety, and in particular to a kind of collision prevention of vehicle test simulation test platform.
Background technology
Rear-end collision collision is common traffic accident, mostly occurs in the vehicle run at high speed, when the speed of rear car is excessively high,
Or front truck is braked or slows down suddenly, if rear car driver fails to take brake measure in time, or has taken brake measure,
But due to the instant hypotelorism of front and back vehicle, brake to the required braking distance that stops completely exceeded front and back vehicle it is instant away from
From front and back vehicle unavoidably knocks into the back at this time.From kinematics analysis, the necessary condition that automobile collides has：First, front and back
The instant hypotelorism of vehicle, second is that the relative velocity of front and back vehicle is excessively high, third, the most short poor stop of vehicle, three conditions
In have outside the Pass except third condition and vehicle self performance and technical parameter, the first two condition is as vehicle running state is continuous
Variation.
To avoid the generation of rear-end collision, vehicle is equipped with automatic collision avoidance system mostly, common to swash in front of the car installation
Optical tester, the electromagnetic wave emitted by rangefinder are counted with the light path time used in the received wave that barrier is reflected back is received
The instant distance measured with front vehicles is calculated, the vehicle to prestore under each relative velocity in the anticollision processor of automatic collision avoidance system
Most short braking distance, when anticollision processor judges that distance is less than the most short braking distance under the state immediately, if driver
Emergency braking, anticollision processor is not taken to trigger warning device and execute the corresponding measures such as oil-break, deceleration and braking.
The installation and debugging of existing automobile automatic collision avoidance system mostly on highway or special test ground carry out, such as Fig. 1
Shown in, the laser range finder tested on vehicle 1 detects front truck, to obtain the instant distance of front and back vehicle under various states
And relative velocity, if verifying driver under the state does not take whether brake measure, anticollision processor can accurately execute report
Alert and corresponding brake measure.But since every automobile self performance and technical parameter can have deviation, sample car and new model are general
It will be on highway or special test ground adjusts repeatedly.And on-the-spot test in highway or special test ground, practical road conditions are multiple
It is miscellaneous, it needs to expend great human and material resources and experimentation cost.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of front and back vehicles that can be in simulating vehicle actual travel to be
When distance and relative velocity for verification anticollision processor can normally provide brake signal and provide timeliness collision prevention of vehicle survey
Try analogue test platform.
To achieve the above object, the technical solution that the utility model is taken is：A kind of collision prevention of vehicle test simulation experiment is flat
Platform, including test vehicle and whirling test stand, whirling test stand is driven by driving motor to be rotated, and test vehicle is placed on rotation examination
It tests platform center to rotate synchronously with whirling test stand, test vehicle is equipped with laser range finder and anticollision processor, laser range finder
Including timing module, anticollision processor includes memory module, computing module and monitoring module, is prestored in memory module each relatively fast
The most short braking distance of the lower vehicle of degree, computing module receive the test data of laser range finder and by test datas and the number that prestores
According to analysing and comparing to determine whether to provide brake signal, monitoring module record computing module whether provide brake signal and
The timeliness of brake signal is provided, the periphery of whirling test stand is equipped with more than two reflecting targets, each reflecting target and whirling test stand
The spacing at center is different.
Each reflecting target and the spacing at whirling test stand center are adjustable.
Driving motor is stepper motor.
The periphery of whirling test stand is equipped with the first reflecting target, the second reflecting target and third reflection successively in the counterclockwise direction
Target, the angle and second of the first reflecting target and the whirling test stand line of centres and the second reflecting target and the whirling test stand line of centres
Reflecting target and the whirling test stand line of centres and third reflecting target are identical as the angle of the whirling test stand line of centres, the first reflection
Target is identical as the spacing at whirling test stand center as the spacing at whirling test stand center as third reflecting target, the second reflecting target and rotation
The spacing for turning testing stand center is more than the spacing of the first reflecting target and whirling test stand center.
The collision prevention of vehicle test simulation test platform of the utility model, the rotation test that setting is rotated by driving motor driving
Platform the more than two reflecting targets different from whirling test stand center spacing is arranged in the periphery of whirling test stand, by test carriage
Be placed on whirling test stand center rotates synchronously with whirling test stand, tests setting laser range finder and anticollision processing on vehicle
Device, laser range finder include timing module, and anticollision processor includes memory module, computing module and monitoring module, memory module
The most short braking distance of the vehicle inside to prestore under each relative velocity, computing module receive the test data of laser range finder and will survey
Examination data are analysed and compared with pre-stored data to determine whether to provide brake signal, and whether monitoring module record computing module is given
Going out brake signal and provides the timeliness of brake signal, the information recorded by monitoring module is corrected computing module, from
And complete anticollision test simulation test, be not necessarily to the on-the-spot test in highway or special test ground, dramatically save manpower,
Material resources and experimentation cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the prior art of the utility model；
Fig. 2 is the structural schematic diagram of the embodiment one of the collision prevention of vehicle test simulation test platform of the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
The specific embodiment one of the collision prevention of vehicle test simulation test platform of the utility model as shown in Figure 2, including is surveyed
Test run 1 and whirling test stand 2, whirling test stand 2 is driven by driving motor to be rotated, and driving motor is stepper motor, test carriage
1 is placed on 2 center of whirling test stand rotates synchronously with whirling test stand 2.
It tests vehicle 1 and is equipped with laser range finder and anticollision processor, laser range finder includes timing module, anticollision processing
Device includes memory module, computing module and monitoring module, the most short braking of the vehicle to prestore in memory module under each relative velocity
Distance, computing module receive the test data of laser range finder and test data and pre-stored data are analysed and compared with determination
Whether brake signal is provided, and whether monitoring module record computing module provides brake signal and provide the timeliness of brake signal.
It is anti-that the periphery of whirling test stand 2 is equipped with the first reflecting target 3, the second reflecting target 4 and third successively in the counterclockwise direction
Shoot at the target 5, the folder of the first reflecting target 3 and 2 line of centres of whirling test stand and the second reflecting target 4 and 2 line of centres of whirling test stand
The folder of angle θ 1 and the second reflecting target 4 and 2 line of centres of whirling test stand and third reflecting target 5 and 2 line of centres of whirling test stand
Angle θ 2 is identical, the interval S 1 and third reflecting target 5 and 2 center of whirling test stand of the first reflecting target 3 and 2 center of whirling test stand
Interval S 3 is identical, and the interval S 2 at the second reflecting target 4 and 2 center of whirling test stand is more than in the first reflecting target 3 and whirling test stand 2
The interval S 1 of the heart.
The testing procedure of analogue test platform is as follows：
S1, test vehicle 1 is placed on 2 center of whirling test stand and is rotated synchronously with whirling test stand 2；
The laser that sends out of laser range finder on S2, test vehicle 1 inswept first reflecting target 3,4 and of the second reflecting target successively
Third reflecting target 5, laser range finder measure the first reflecting target 3 and interval S 1, second reflecting target at 2 center of whirling test stand successively
4 with the interval S 3 of the interval S 2 and third reflecting target 5 and 2 center of whirling test stand at 2 center of whirling test stand, timing module measurement
Time difference t1 between inswept first reflecting target, 3 and second reflecting target 4 of laser that laser range finder is sent out, it is inswept second reflection
Time difference t2 between target 4 and third reflecting target 5, due to θ 1=θ 2, and driving motor is asynchronous machine, so t1=t2, and
S2>S1, S1=S3, so the process for laser inswept first reflecting target 3 to inswept second reflecting target 4 that laser range finder is sent out can
Simulating vehicle is immediately apart from increased situation, and the process of laser inswept second reflecting target 4 to inswept third reflecting target 5 can be simulated
The vehicle situation that distance reduces immediately；
S3, computing module according to formula Δ S=S2-S1 andTest vehicle 1 is simulated in instant distance to increase
Situation under instant distance, delta S and relative velocity Δ V, and it is analysed and compared with pre-stored data to determine whether to provide
Whether brake signal, monitoring module record computing module provide brake signal and provide the timeliness of brake signal, computing module
According to formula Δ S=S2-S3 andSimulate instant distance, delta of the test vehicle 1 under the situation that instant distance reduces
S and relative velocity Δ V, and it is analysed and compared with pre-stored data to determine whether to provide brake signal, monitoring module note
Whether record computing module provides brake signal and provides the timeliness of brake signal；
S4, computing module is corrected according to the monitoring information of monitoring module.
The specific embodiment two of the collision prevention of vehicle test simulation test platform of the utility model, and embodiment one difference
It is, the periphery of whirling test stand 2 is set there are three above reflecting target, and the spacing at each reflecting target and 2 center of whirling test stand is not
Together, then the variation of instant distance can be simulated by the variation of the spacing at each reflecting target and 2 center of whirling test stand, due to reflection
Target increases, and the instant distance value of simulation also increases therewith, and then can more accurately be corrected to computing module.
The specific embodiment three of the collision prevention of vehicle test simulation test platform of the utility model, and embodiment one difference
It is, the periphery of whirling test stand 2 is provided only with the first reflecting target and the second reflecting target, but the first reflecting target and the second reflecting target
It is adjustable with the spacing at 2 center of whirling test stand, using this structure setting, without more along the setting of the periphery of analogue test platform
A reflecting target, it is only necessary to pass through the adjusting of the first reflecting target and the second reflecting target and the spacing at 2 center of whirling test stand, you can to not
It is simulated, and then computing module can more accurately be corrected with instant distance and relative velocity.
What is finally illustrated is：Above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme should all cover in the right of the utility model.
Claims (4)
1. a kind of collision prevention of vehicle test simulation test platform, which is characterized in that including test vehicle and whirling test stand, rotation examination
It tests platform and is driven by driving motor and rotated, test vehicle is placed on whirling test stand center and is rotated synchronously with whirling test stand, tests
Vehicle is equipped with laser range finder and anticollision processor, and laser range finder includes timing module, and anticollision processor includes storage mould
Block, computing module and monitoring module, the most short braking distance of the vehicle to prestore under each relative velocity in memory module, computing module
It receives the test data of laser range finder and test data and pre-stored data is analysed and compared to determine whether to provide braking
Whether signal, monitoring module record computing module provide brake signal and provide the timeliness of brake signal, whirling test stand
Periphery is equipped with more than two reflecting targets, and each reflecting target is different from the spacing at whirling test stand center.
2. collision prevention of vehicle test simulation test platform according to claim 1, which is characterized in that each reflecting target is tried with rotation
The spacing for testing platform center is adjustable.
3. collision prevention of vehicle test simulation test platform according to claim 1, which is characterized in that driving motor is stepping electricity
Machine.
4. collision prevention of vehicle test simulation test platform according to claim 3, which is characterized in that the periphery of whirling test stand
It is equipped with the first reflecting target, the second reflecting target and third reflecting target, the first reflecting target and whirling test stand successively in the counterclockwise direction
The line of centres and the second reflecting target connect with the angle of the whirling test stand line of centres and the second reflecting target with whirling test stand center
Line and third reflecting target are identical as the angle of the whirling test stand line of centres, the spacing of the first reflecting target and whirling test stand center
Identical as the spacing at whirling test stand center as third reflecting target, the spacing at the second reflecting target and whirling test stand center is more than the
The spacing of one reflecting target and whirling test stand center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820442106.0U CN208043423U (en) | 2018-03-30 | 2018-03-30 | A kind of collision prevention of vehicle test simulation test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820442106.0U CN208043423U (en) | 2018-03-30 | 2018-03-30 | A kind of collision prevention of vehicle test simulation test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208043423U true CN208043423U (en) | 2018-11-02 |
Family
ID=63945477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820442106.0U Expired - Fee Related CN208043423U (en) | 2018-03-30 | 2018-03-30 | A kind of collision prevention of vehicle test simulation test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208043423U (en) |
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2018
- 2018-03-30 CN CN201820442106.0U patent/CN208043423U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20200330 |