CN104949841A - Device used for automobile collision avoidance test - Google Patents
Device used for automobile collision avoidance test Download PDFInfo
- Publication number
- CN104949841A CN104949841A CN201410124626.3A CN201410124626A CN104949841A CN 104949841 A CN104949841 A CN 104949841A CN 201410124626 A CN201410124626 A CN 201410124626A CN 104949841 A CN104949841 A CN 104949841A
- Authority
- CN
- China
- Prior art keywords
- support
- making switch
- contact
- described support
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention relates to a device used for an automobile collision avoidance test. The device comprises a pedestal; supports which are vertically arranged on the pedestal; a reflecting part which is fixed on the supports and used for reflecting radar wave from a test automobile; a contact switch which is arranged between the test automobile and the pedestal; and a trigger mechanism which is arranged near the supports and connected with the contact switch and backwardly pushes down the supports when the contact switch is on. The device used for the automobile collision avoidance test has advantages of being simple in structure, low in manufacturing cost and great in collision avoidance effect.
Description
Technical field
The invention belongs to automobile technical field, and relate to a kind of device for automotive correlation prevention test.
Background technology
Automotive correlation prevention test is by detection Automotive active anti-collision performance and one of important tests of the safety and reliability of validation test vehicle.Existing method of testing or equipment mainly use true front truck or use the target of balloon car as testing vehicle of a camouflage.Although the simplest as target using true car, once test failure very easily causes front truck and testing vehicle to damage, seldom adopt at present.Use the balloon car of camouflage, relatively can reduce the injury of colliding and causing, but it is unsatisfactory owing to considering the reflecting effect of balloon car to radar wave of quality of rubber materials, general meeting is carried layer of metal plate secretly or is increased the thickness of quality of rubber materials and quality to ensure radar reflection effect after the front end face rubber layer of balloon car, therefore in fact the quality of balloon car and volume all larger.When testing high speed collision avoidance brake hard, once the collision avoidance disabler of testing vehicle or act on undesirable, even if tester takes artificial braking to remedy, also testing vehicle cannot be made just to stop completely before bumping against target, so very likely damage the front shell of testing vehicle, even smash the radar of testing vehicle front end time serious, cause test crash and affect testing progress.
Therefore, in the process that the automotive correlation prevention based on radar signal is tested, how under the prerequisite having ensured test purpose, avoid the injury that may cause testing vehicle when limiting case collision avoidance was lost efficacy to be problem to be solved by this invention.
Summary of the invention
The object of the present invention is to provide a kind of device for automotive correlation prevention test, thus effectively can solve the problem of the above-mentioned and other aspect existed in prior art.
For realizing above-mentioned object, present invention employs following technical scheme:
For a device for automotive correlation prevention test, described device comprises:
Base;
Support, it is arranged on described base vertically;
Reflecting part, it is fixing on the bracket, for reflecting the radar wave from testing vehicle;
Contact-making switch, it is between described testing vehicle and described base; And
Trigger mechanism, it is arranged near described support, and is connected with described contact-making switch, and wherein when described contact-making switch is opened, described support pushes over by described trigger mechanism backward.
In above-mentioned device, alternatively, described trigger mechanism also comprises:
Iron block, it is fixed on the bottom front of described support;
Electromagnet, it to be fixed on described base and to be positioned at the front of described iron block, and is provided with armature; And
Flexible member, it is arranged on the rear of described support, for applying pulling force backward to described support,
When described contact-making switch cuts out, the magnetic attraction between described iron block and described electromagnet equals described pulling force, thus makes described support keep vertical state; When described contact-making switch is opened, described armature ejects and makes it clash into be in the described support of vertical state by described electromagnet, thus described support is fallen down backward.
In above-mentioned device, alternatively, the distance between described contact-making switch and described support is between 1.5 to 4 meters of scopes.
In above-mentioned device, alternatively, described reflecting part is triangular pyramid, and the quantity of described triangular pyramid is two.
In above-mentioned device, alternatively, described device also comprises the pilot lamp for warning.
In above-mentioned device, alternatively, padded coaming is enclosed with on the bracket.
In above-mentioned device, alternatively, described flexible member is spring.
In above-mentioned device, alternatively, described support is made of aluminum.
In above-mentioned device, alternatively, the height of described reflecting part is identical with the height of the radar on described testing vehicle.
In above-mentioned device, alternatively, described support is arranged between 0 to 10 cm range by the height after pushing over.
Beneficial effect of the present invention is: this apparatus cost for automotive correlation prevention test is cheap, structure is simple, be easy to manufacture, and easy for installation.Under suitable safe distance and trigger condition, under Collision avoidance function does not work and driver does not participate in the situation of braking, testing vehicle and terrain object can be realized when testing the speed of a motor vehicle to collide or to testing vehicle not damaged without hard lower than 30 kms/time.When test the speed of a motor vehicle reach 60 kms/time, driver when recognize Active collision avoidance system lost efficacy after participate in braking, also can reach the effect of not damage test device and testing vehicle equally.
Accompanying drawing explanation
Below with reference to drawings and Examples, technical scheme of the present invention is described in further detail.Wherein:
Fig. 1 is the device example structure schematic diagram in an erect condition for automotive correlation prevention test of the present invention;
Fig. 2 is the structural representation of device under the state of falling for automotive correlation prevention test in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.First, it should be noted that, mentioning the orientation terms such as the up, down, left, right, before and after maybe may mentioned, inside and outside, top, bottom is in this manual carry out defining relative to the structure shown in each accompanying drawing, they are relative concepts, therefore likely can residing for it diverse location, different using state and correspondingly changing.So, also these or other orientation term should be interpreted as restricted term.
The structural representation of the device embodiment in an erect condition for automotive correlation prevention test of the present invention has been shown in Fig. 1.This device being used for automotive correlation prevention test comprises the parts such as base 1, support 2, emission part 3, contact-making switch, trigger mechanism and power supply.Support 2 can be made up of light metal materials such as such as aluminium, and is arranged on vertically on base 1.As shown in the figure, reflecting part 3 is fixed on the top place of support 2, for reflecting the radar wave from testing vehicle (not shown).Contact-making switch is the banded switch of a kind of normally open known in the art, and its physical construction is simple and can according to the free cutting of the needs of client.For the object of summary, no longer it is described in detail in this article.This contact-making switch is placed between testing vehicle and base 1 before automotive correlation prevention on-test, and is connected with the trigger mechanism be arranged near support 2, and the power supply of wherein powering for this trigger mechanism can be small-sized accumulator.Once contact-making switch be applied in very little pressure, contact-making switch can be opened and connect circuit, simultaneously trigger mechanism by support 2 backward (that is, testing vehicle advance direction) push over.
In conjunction with above-described embodiment in other embodiments, trigger mechanism can further include: iron block 4, and it is fixed on the bottom front of support 2; Electromagnet 5, it to be fixed on base 1 and to be positioned at the front of iron block 4, and the inside of electromagnet 5 is also provided with armature 6, magnetic attraction is defined between iron block 4 and electromagnet 5, namely the pulling force applying forward to support 2 is equivalent to, when trigger condition meets, electromagnet 5 place circuit loop is connected and is at once ejected armature 6 after powered up in order to shift support 2 onto; And flexible member 7 (such as spring etc.), it is arranged on the rear of support 2, and is connected with base 1 and support 2 respectively, for applying pulling force backward to support 2, so that speed time falling down in acceleratory reflex portion 3, avoid coming in contact with testing vehicle.It is pointed out that when contact-making switch does not trigger, the magnetic attraction between iron block 4 and electromagnet 5 is substantially equal to the rearward pulling force that flexible member 7 applies to support 2, thus makes support 2 keep vertical state; After contact-making switch is opened, armature 6 ejects and makes it clash into be in the support 2 of vertical state by electromagnet 5, and the state of aforesaid balance between two forces is broken, and very little thrust can make support 2 fall down backward.Clash into support 2 after opening for preventing testing vehicle, support 2 is preferably arranged between the scope of 0 to 10 centimetres by the height after pushing over.
Consult Fig. 1 and Fig. 2 simultaneously, below how the device briefly introducing automotive correlation prevention of the present invention test is operated.After on-test, first this device is placed on runway front, testing vehicle place, and the support 2 that erect can be fallen.When support 2 is in erectility, the flexible member 7 at rear applies pulling force to it all the time, and when falling down to make it, action is faster, the time is shorter.Simultaneously, the iron block 4 that the bottom front of support 2 is fixed contacts with the strong electromagnet 5 be fixed on base 1, magnetic attraction between the two is substantially equal to the pulling force that flexible member 7 pulls back into support 2, therefore the magnitude relationship between these two power makes support 2 can be kept upright state, simultaneously be subject to extra to can shaking off the magnetic force of electromagnet 5 during back pressure and toppling over after being rapidly to.When on testing vehicle wheel travels forward one or more contact-making switch being first pressed onto and being placed on base 1 front, contact-making switch is triggered and is connected circuit, the armature 6 of inside can eject backward rapidly by the electromagnet 5 that base 1 is arranged after trigger mechanism energising, and the armature 6 of ejection strikes the support 2 of erectility.The maximum thrust of the electromagnet 5 that this device uses when being energized is 7 kilograms, is enough to support 2 to push over, thus the damage advantageously reduced when testing vehicle collides with proving installation or collide both thoroughly avoiding.
As preferred situation, reflecting part 3 can be metal triangular pyramid, and the quantity of triangular pyramid is two.It is known to those skilled in the art that triangular pyramid has good reflection of radar wave effect, and prove through test, the radar reflection effect of two pieces of triangular pyramids as hand size and a real car afterbody is suitable.Certainly, the quantity of triangular pyramid is not limited to two, can be provided with one, three, four or more according to different actual conditions.Be understandable that, in order to realize better radar reflection effect, the height of reflecting part 3 can be arranged to identical with the height of the radar on testing vehicle.
In addition, it is pointed out that and can arrange or change by the distance changed between contact-making switch and support 2 time that the safe distance of testing vehicle and support 2 fall down.The front overhang length (that is, namely vehicle arrives the distance at front-wheel center foremost) of common vehicle is 1 meter to 1.5 meters.Therefore, if contact-making switch to be placed on the position of first 2.5 meters of support 2, so when vehicle advance to apart from device of the present invention also surplus about 1 meter to 1.5 meters time, support 2 will shift to an earlier date to fall down and collision free backward.Through rough calculation, support 2 required time that falls down is about 0.3 second, vehicle and device space 1.5 meters during triggering, the speed of a motor vehicle of the two not contact conditions be approximately 20 kms/time.Therefore, the distance between contact-making switch and support 2 is preferably between 1.5 to 4 meters of scopes.
For example, at the pilot lamp 8 that also may be configured with on the device of automotive correlation prevention test for warning of the present invention.Due to by the small volume of device, when testing vehicle distance objective is far away, the light of the eye-catching flicker that pilot lamp 8 sends tester can be made more easily to find target is to control the working direction of vehicle; Can remind and warn simultaneously the other staff that test site may occur and vehicle (consider that automatic collision avoidance brake hard test danger is higher, other staff and vehicle need to dodge).
In sum, due to the device for automotive correlation prevention test of the present invention possess that such as cost is low, various features and the technical advantage such as the simple and collision avoidance performance of structure is good, be suitable for very much the test of vehicle active safety energy.It is pointed out that to need to carry out sample car a large amount of to mark, test and verification experimental verification in vehicle active safety energy performance history, and therefore the device for automotive correlation prevention test of the present invention will play important effect.
The specific embodiment more than enumerated set forth in detail the device for automotive correlation prevention test of the present invention, this example is only for principle of the present invention and embodiment thereof are described, but not limitation of the present invention, without departing from the spirit and scope of the present invention, those of ordinary skill in the art can also make various distortion and improvement.Such as, support 2 can be enclosed with padded coaming, to reduce support 2 impact suffered in toppling process.Therefore, all equivalent technical schemes all should belong to category of the present invention also by every claim of the present invention is limited.
Claims (10)
1., for a device for automotive correlation prevention test, it is characterized in that, described device comprises:
Base;
Support, it is arranged on described base vertically;
Reflecting part, it is fixing on the bracket, for reflecting the radar wave from testing vehicle;
Contact-making switch, it is between described testing vehicle and described base; And
Trigger mechanism, it is arranged near described support, and is connected with described contact-making switch, and wherein when described contact-making switch is opened, described support pushes over by described trigger mechanism backward.
2. device according to claim 1, is characterized in that, described trigger mechanism also comprises:
Iron block, it is fixed on the bottom front of described support;
Electromagnet, it to be fixed on described base and to be positioned at the front of described iron block, and is provided with armature; And
Flexible member, it is arranged on the rear of described support, for applying pulling force backward to described support,
When described contact-making switch cuts out, the magnetic attraction between described iron block and described electromagnet equals described pulling force, thus makes described support keep vertical state; When described contact-making switch is opened, described armature ejects and makes it clash into be in the described support of vertical state by described electromagnet, thus described support is fallen down backward.
3. device according to claim 1, is characterized in that, the distance between described contact-making switch and described support is between 1.5 to 4 meters of scopes.
4. the device according to any one of claim 1-3, is characterized in that, described reflecting part is triangular pyramid, and the quantity of described triangular pyramid is two.
5. the device according to any one of claim 1-3, is characterized in that, described device also comprises the pilot lamp for warning.
6. the device according to any one of claim 1-3, is characterized in that, is enclosed with padded coaming on the bracket.
7. the device according to any one of claim 2-3, is characterized in that, described flexible member is spring.
8. the device according to any one of claim 1-3, is characterized in that, described support is made of aluminum.
9. the device according to any one of claim 1-3, is characterized in that, the height of described reflecting part is identical with the height of the radar on described testing vehicle.
10. the device according to any one of claim 1-3, is characterized in that, described support is arranged between 0 to 10 cm range by the height after pushing over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410124626.3A CN104949841B (en) | 2014-03-31 | 2014-03-31 | Device for automotive correlation prevention experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410124626.3A CN104949841B (en) | 2014-03-31 | 2014-03-31 | Device for automotive correlation prevention experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104949841A true CN104949841A (en) | 2015-09-30 |
| CN104949841B CN104949841B (en) | 2018-04-27 |
Family
ID=54164668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410124626.3A Active CN104949841B (en) | 2014-03-31 | 2014-03-31 | Device for automotive correlation prevention experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104949841B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107970564A (en) * | 2017-12-20 | 2018-05-01 | 上海电气集团股份有限公司 | Training equipment |
| CN108444731A (en) * | 2018-03-30 | 2018-08-24 | 郑州兰博尔科技有限公司 | A kind of collision prevention of vehicle test simulation test platform and simulation experiment method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101055A (en) * | 1987-05-30 | 1988-12-14 | 俄家齐 | Telemetric early-warning instrument for car collision avoidance |
| CN1429334A (en) * | 2000-05-12 | 2003-07-09 | 罗伯特·博施有限公司 | Correction device with optical adjustment device having reflector |
| CN1544277A (en) * | 2003-11-11 | 2004-11-10 | 清华大学 | Automobile collision test device |
| CN101464220A (en) * | 2007-12-17 | 2009-06-24 | 湖南大学 | Vehicle collision test simulating device |
| CN202631220U (en) * | 2012-03-13 | 2012-12-26 | 上海汽车集团股份有限公司 | Bump test apparatus used for detecting vehicle part safety performance |
| KR101357597B1 (en) * | 2012-09-06 | 2014-02-06 | 자동차부품연구원 | Target object simulator of test evaluation apparatus of collision avoidance system |
-
2014
- 2014-03-31 CN CN201410124626.3A patent/CN104949841B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101055A (en) * | 1987-05-30 | 1988-12-14 | 俄家齐 | Telemetric early-warning instrument for car collision avoidance |
| CN1429334A (en) * | 2000-05-12 | 2003-07-09 | 罗伯特·博施有限公司 | Correction device with optical adjustment device having reflector |
| CN1544277A (en) * | 2003-11-11 | 2004-11-10 | 清华大学 | Automobile collision test device |
| CN101464220A (en) * | 2007-12-17 | 2009-06-24 | 湖南大学 | Vehicle collision test simulating device |
| CN202631220U (en) * | 2012-03-13 | 2012-12-26 | 上海汽车集团股份有限公司 | Bump test apparatus used for detecting vehicle part safety performance |
| KR101357597B1 (en) * | 2012-09-06 | 2014-02-06 | 자동차부품연구원 | Target object simulator of test evaluation apparatus of collision avoidance system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107970564A (en) * | 2017-12-20 | 2018-05-01 | 上海电气集团股份有限公司 | Training equipment |
| CN108444731A (en) * | 2018-03-30 | 2018-08-24 | 郑州兰博尔科技有限公司 | A kind of collision prevention of vehicle test simulation test platform and simulation experiment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104949841B (en) | 2018-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8621918B2 (en) | Test device comprising a receiving device for a vehicle mock-up and method for testing a test vehicle using a test device | |
| US3848914A (en) | Motor shiftable shock absorbing bumper | |
| CN108638988B (en) | Automobile anti-collision system | |
| CN101648560A (en) | Automatic early warning and braking device of automobiles and control method thereof | |
| US2831967A (en) | Air crash signal device | |
| JP2012137299A (en) | Door handle testing device | |
| CN104949841A (en) | Device used for automobile collision avoidance test | |
| CN103043014A (en) | Electromagnetic anti-collision device | |
| CN106546434B (en) | Automobile automatic emergency brake test device | |
| US4031828A (en) | Pressurized chaff canister | |
| JP2022504980A (en) | Systems and methods for sudden deceleration of vehicles | |
| KR101724136B1 (en) | Shoot type traffic safety display tripod | |
| CN102167006B (en) | Electronic controller for air bag restraint system of automobile | |
| CN108454548A (en) | A kind of automobile mechanical buffer and method | |
| CN102632855B (en) | Car collision avoidance system | |
| CN107796634A (en) | A kind of autonomous emergency braking system test target chassis of automobile | |
| CN200988466Y (en) | Anti-collision device for vehicle | |
| US3490409A (en) | Traffic accident marker | |
| US1816939A (en) | Detector against hit and run drivers | |
| US1391952A (en) | Automatic safety appliance for motor-vehicles | |
| CN116394791A (en) | Fill electric pile with safeguard function | |
| CN110356348B (en) | Highway maintenance car | |
| CN105416260B (en) | One kind automatically borrows power emergency brake arrangement and its brake method | |
| RU2699832C1 (en) | Method for fire protection of vehicle and device for its implementation | |
| CN207623015U (en) | A kind of autonomous emergency braking system test target trolley of automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |