CN203786291U - Test system for vehicle-mounted reversal radar - Google Patents
Test system for vehicle-mounted reversal radar Download PDFInfo
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- CN203786291U CN203786291U CN201420003770.7U CN201420003770U CN203786291U CN 203786291 U CN203786291 U CN 203786291U CN 201420003770 U CN201420003770 U CN 201420003770U CN 203786291 U CN203786291 U CN 203786291U
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Abstract
The utility model provides a test system for a vehicle-mounted reversal radar and belongs to the technical field of reversal radar. The test system comprises a host computer, a programmable controller, a rack used for bearing a simulation obstacle, and a movement mode controller, wherein the movement mode controller used for controlling the movement mode of the obstacle is coupled to a drive device through the programmable controller. The rack is provided with the drive device used for driving the obstacle on the rack to move in a preset movement mode. The drive device is provided with a positioning module for obtaining the positioning information of the obstacle. The programmable controller is coupled with the drive device to receive the positioning information of the obstacle sent by the positioning module. The programmable controller is in communication connection with the host computer to at least timely send the positioning information of the obstacle to the host computer. The test system can automatically achieve test of the vehicle-mounted reversal radar with high test precision and test efficiency.
Description
Technical field
The technical field of measurement and test of the utility model radar for backing car, relates to the Auto-Test System that can realize to host computer the vehicle reversing radar of data transmission.
Background technology
Along with the security of people to automobile and the raising of driver comfort requirement, radar for backing car backup system is widely used in vehicle.For ensureing accuracy and the reliability of Parking Distance Control System, in the process of design or exploitation radar for backing car, need to carry out reverse radar system and carry out long-term performance test, this is all that the test macro that depends on radar for backing car completes.
In the test mode of existing vehicle reversing radar, general adopt efficiency and precision all lower manual detection mode carry out, its implementation is mainly within the scope of vehicle reversing radar search coverage, to choose artificially some places, a hand-held shaft-like barrier of staff stands on selected experiment place successively, and whether another staff observes vehicle-mounted radar for backing car can correct detection Obstacle Position information.
Chinese Patent Application No. is CN201020234544.1, be authorized notification number CN201740868U, name is called the patent of " a kind of reverse sensor testboard ", and Chinese Patent Application No. CN201110004388.9, application publication number CN102109598A, name be called in the patent of " the axial actual measurement system of radar for backing car three ", two kinds of radar for backing car test macros are disclosed.Above-mentioned two kinds of radar for backing car test macros all cannot automatic imitation barrier motion the accurate position of location barrier, also cannot simulate the multi-motion modes of realizing barrier, more cannot realize uploading of Obstacle Position data, thereby cannot improve the detection performance that obtains meticulously radar for backing car.
Therefore, the test macro of existing radar for backing car has the shortcomings such as test is inaccurate, testing efficiency is low, automaticity is low.In view of this, be necessary to propose a kind of novel radar for backing car test macro.
Utility model content
One of the purpose of this utility model is, the mode of motion of analog obstacle thing efficiently and accurately.
Another object of the present utility model is, realizes barrier is located and transmitted Obstacle Position information to host computer.
For realizing above object or other objects, the utility model provides a kind of test macro of vehicle reversing radar, it is characterized in that, comprising:
Host computer;
Programmable Logic Controller;
Be used for the stand of the barrier that carries simulation, on described stand, be provided with the drive unit that the barrier for driving on described stand moves by predetermined motor pattern; And
Couple by described Programmable Logic Controller and described drive unit for controlling the motor pattern controller of motor pattern of described barrier;
Wherein, described drive unit is configured with the locating module for obtaining Obstacle Position information, described Programmable Logic Controller and described drive unit couple to receive that described locating module sends hinders object location information, described Programmable Logic Controller with the communication connection of described host computer to send at least in real time extremely described host computer of described Obstacle Position information.
According to the test macro of the utility model one embodiment, wherein, described test macro also comprises data collecting card, and described data collecting card and the communication connection of tested vehicle reversing radar also couple to transmit with described host computer the detection data that vehicle reversing radar obtains.
Preferably, on described stand, dispose:
For the relatively fixing litter that carries described barrier, and
Spindle gear;
Described drive unit by described spindle gear transmission of drive force to drive the motion of described litter.
Preferably, described litter and spindle gear are configured to matrix pattern framework, and described litter comprises longitudinal litter and horizontal litter, and described longitudinal litter and horizontal litter are placed in the central authorities of described matrix pattern framework.
Preferably, described stand is coated with sound absorbing layer.
Preferably, described drive unit can be servomotor.
Preferably, described motor pattern controller is configured with the touch-screen for editing motor pattern parameter.
Preferably, described Programmable Logic Controller is integrated with communication module to realize the communication connection of this Programmable Logic Controller and described host computer.
Alternatively, between described data collecting card and host computer, can adopt bus or rigid line to couple.
The test macro of vehicle reversing radar of the present utility model is controlled the simulation on stand barrier by motor pattern controller, PLC are set moves automatically with multi-motion modes, but also can obtain actual positional information and be sent host computer, like this, can realize the test to vehicle reversing radar in robotization ground, and, measuring accuracy and testing efficiency are high, test specification is wide, are conducive to promote testing standard.
Brief description of the drawings
From following detailed description by reference to the accompanying drawings, will make above and other object of the present utility model and advantage more complete clear, wherein, same or analogous key element adopts identical label to represent.
Fig. 1 is according to the structural representation of the test macro of the vehicle reversing radar of the utility model one embodiment.
Embodiment
What introduce below is some in multiple possibility embodiment of the present utility model, aims to provide basic understanding of the present utility model, is not intended to confirm key of the present utility model or conclusive key element or limits claimed scope.Easily understand, according to the technical solution of the utility model, do not changing under connotation of the present utility model other implementations that one of ordinary skill in the art can propose mutually to replace.Therefore, below embodiment and accompanying drawing be only the exemplary illustration to the technical solution of the utility model, and should not be considered as of the present utility model all or be considered as restriction or the restriction to technical solutions of the utility model.
Figure 1 shows that according to the structural representation of the test macro of the vehicle reversing radar of the utility model one embodiment.Test macro 10 can be, but not limited to for real vehicle test in this embodiment, and specifically for Parking Distance Control System 190 is carried out to performance test, for example, whether location and/or the range observation of test reverse radar system 190 to barrier 180 be accurate.It will be appreciated that, the particular type of car radar system 190 is not to be subject to the utility model restriction, and it can be chosen as the existing various reverse radar systems that design is developed even in the future.
As shown in Figure 2, test macro 10 mainly includes host computer 110, Programmable Logic Controller (PLC) 120, motor pattern controller 130, stand 140 and data collecting card 150.Stand 140 is generally placed in the rear of tested vehicle (it has Parking Distance Control System 190), and stand 140 mainly comprises litter part 141 and spindle gear 142, and the barrier 180 of simulation is fixed in litter part 141.Particularly, barrier 180 can be dissimilar barrier, for example, and the hollow tubular of 75mm, square timber, rectangular box, bucking ladder etc., the different reversing of convenient like this simulation scene.
In this embodiment, litter part 141 has two litter, one is longitudinal litter, one is horizontal litter, spindle gear 142 is configured to block form, and two of longitudinal litter is arranged on the longitudinal edge frame of this square frame movably, and two of horizontal litter is arranged on the longitudinal edge of this square frame movably, thereby litter 141 and spindle gear 142 are configured to matrix pattern framework, and this is conducive to improve stand stability; Wherein longitudinal litter and horizontal litter are arranged on the central authorities of this matrix pattern framework.And corresponding every litter, is respectively arranged with a servomotor (not shown), like this, servomotor can drive corresponding litter 141 to move on vertical or horizontal by spindle gear 142.Particularly, the maximum translational speed of barrier 180 can reach 2.5m/s, can meet like this requirement of most barrier velocity simulates.
In this embodiment, adopt spindle gear to replace traditional belt pulley to carry out transmission, not only movement and positioning precision are high, and can reduce the interference of the ultrasonic listening of noise to radar for backing car, and, adopt servomotor as the barrier required drive unit that moves, can obtain high positioning precision (can be accurate to ± 0.5mm), meanwhile, Speed Setting deviation is less than 1%.Further, the each several part of stand 140 (especially litter) can be coated sound absorbing layer (for example acoustical cotton), reduces so hyperacoustic interference that ultrasound wave that stand 140 reflects reflects barrier 180, is conducive to improve test accuracy.
In servomotor, be configured with the locating module (not shown) for obtaining Obstacle Position information, when servomotor on stand 140 adopts coded system control, locating module in servomotor can be understood this coded message, thereby can obtain each motor rotation distance in one direction, thereby know the coordinate information of the barrier 180 of simulation, accurately the current location of the barrier of location simulation.
Simultaneously, each servomotor is connected with Programmable Logic Controller (PLC) 120, Programmable Logic Controller 120 is integrated with communication module, not only can realize the communication connection of the wired or wireless mode between host computer 110 by this communication module, and it can also realize being connected between motor pattern controller 130.Like this, locating module not only can obtain the relative position information of barrier 180, but also positional information can be sent to PLC120 and then be sent to host computer 110.Host computer 110 current location information of Obtaining Accurate barrier 180 substantially in real time like this.Alternatively, PLC120 can be by ICP/IP protocol transmission of location information to host computer 110.
In the utility model embodiment, the motion of the barrier 180 of simulation is controlled, and its control terminal is mainly realized by motor pattern controller 130.Particularly, motor pattern controller 130 is configured with touch-screen, and this touch-screen, as I/O terminal, can be opened the function of initiatively editing motor pattern to user.Like this, user passes through this touch-screen editor motor pattern parameter (for example, movement velocity, step size, barrier dead time etc.), thereby realizes the input of motor pattern instruction.Motor pattern controller 130 is determined user-selected motor pattern according to the motor pattern parameter of input, the motor pattern dependent instruction that motor pattern controller 130 sends is to PLC 120, after being processed by PLC120, be further sent to servomotor, thereby control the rotation of servomotor, finally realize the control of the motor pattern to barrier 180.
Particularly, motor pattern controller 130 is by the embedded motor pattern control program writing in advance of inserting, and it can carry out programming realization by Labview platform, for user, only need to be according to its required motor pattern parameter of editing, select to confirm final motor pattern.In this embodiment, motor pattern controller 130 can embedded multi-motion modes control program, for example, motor pattern control program, discontinuous motion pattern continuously, thereby barrier can be realized controllably motion under continuous motor pattern and discontinuous motion pattern, realizes the variation of the motor pattern of barrier; Can certainly realize various curvilinear motions.
In concrete test process, Parking Distance Control System 190 self also can be surveyed the relative position information that obtains barrier 180, this positional information can be uploaded to data collecting card 150, and then transmit the detection data that comprises this positional information to host computer 110 by data collecting card 150, wherein, data collecting card 150 communicates to connect (wired mode or wireless mode) with tested Parking Distance Control System 190, and couple by data line and host computer 110, for example, data collecting card 150 reads the detection data of coming based on vehicle bus agreement or rigid line protocol transmission, and transmit data by CAN2.0 agreement to host computer 110.
Like this, host computer 110 not only can obtain the actual position information of barrier 180 substantially in real time, and can obtain the data about barrier 180 that Parking Distance Control System 190 is surveyed.Host computer 110 can be stored this two groups of data, and host computer 110 is also configured to this two groups of data analysis and comparison, thereby finally generates the detection performance report of vehicle reversing radar, completes the test to radar for backing car.
Particularly, host computer 110 can be personal computer terminal, also can be to the corresponding time of each data scaling in two groups of data that receive, thus facilitate both comparison.Under same motor pattern, the transmission delay error of the information of the Obstacle Position of this embodiment from PLC120 to host computer 110 can be less than 0.5ms, and this is further conducive to improve the precision of test.
To sum up, in the test macro of this embodiment, by stand 141, PLC120, motor pattern controller 130 are set, the accurately motion of the barrier of the simulation on automatic control console frame 141, and can under multiple motor patterns, move, can, according to user's the variation that specifically need to realize motor pattern and complicated, promote testing standard; Meanwhile, the current location information of the barrier of motion can be sent to host computer 110 and be come the detection data of comparison radar for backing car automatically, is conducive to automatically realize the test of vehicle reversing radar.And the test mode of robotization can shorten the test duration of vehicle reversing radar, easily get rid of and think and error greatly improve measuring accuracy.
To understand, in the time it is said parts " connection " or " coupling " to another parts, it can be directly connected or coupled to another parts, also can have intermediate member.On the contrary, parts " are directly coupled " or " directly connect " during to another parts when it is said, do not have intermediate member.And, as used herein " connection " or " coupling " can comprise with wireless mode connect or coupling.
Above example has mainly illustrated the test macro of vehicle reversing radar of the present utility model.Although only some of them embodiment of the present utility model is described, but those of ordinary skill in the art should understand, the utility model can be implemented not departing from its purport and scope with many other forms, for example, change the stand setting of matrix pattern framework into native shaped framework.Therefore, the example of showing and embodiment are regarded as illustrative and not restrictive, and in the situation that not departing from the utility model spirit as defined in appended each claim and scope, the utility model may be contained various amendments and replacement.
Claims (9)
1. a test macro for vehicle reversing radar, is characterized in that, comprising:
Host computer;
Programmable Logic Controller;
Be used for the stand of the barrier that carries simulation, on described stand, be provided with the drive unit that the barrier for driving on described stand moves by predetermined motor pattern; And
Couple by described Programmable Logic Controller and described drive unit for controlling the motor pattern controller of motor pattern of described barrier;
Wherein, described drive unit is configured with the locating module for obtaining Obstacle Position information, described Programmable Logic Controller and described drive unit couple to receive that described locating module sends hinders object location information, described Programmable Logic Controller with the communication connection of described host computer to send at least in real time extremely described host computer of described Obstacle Position information.
2. the test macro of vehicle reversing radar as claimed in claim 1, it is characterized in that, described test macro also comprises data collecting card, and described data collecting card and the communication connection of tested vehicle reversing radar also couple to transmit with described host computer the detection data that vehicle reversing radar obtains.
3. the test macro of vehicle reversing radar as claimed in claim 1, is characterized in that, on described stand, disposes:
For the relatively fixing litter that carries described barrier, and
Spindle gear;
Described drive unit by described spindle gear transmission of drive force to drive the motion of described litter.
4. the test macro of vehicle reversing radar as claimed in claim 3, it is characterized in that, described litter and spindle gear are configured to matrix pattern framework, described litter comprises longitudinal litter and horizontal litter, and described longitudinal litter and horizontal litter are placed in the central authorities of described matrix pattern framework.
5. the test macro of the vehicle reversing radar as described in claim 1 or 3 or 4, is characterized in that, described stand is coated with sound absorbing layer.
6. the test macro of the vehicle reversing radar as described in claim 1 or 3, is characterized in that, described drive unit is servomotor.
7. the test macro of the vehicle reversing radar as described in claim 1 or 3, is characterized in that, described motor pattern controller is configured with the touch-screen for editing motor pattern parameter.
8. the test macro of vehicle reversing radar as claimed in claim 1, is characterized in that, described Programmable Logic Controller is integrated with communication module to realize the communication connection of this Programmable Logic Controller and described host computer.
9. the test macro of vehicle reversing radar as claimed in claim 2, is characterized in that, adopts bus or rigid line to couple between described data collecting card and host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420003770.7U CN203786291U (en) | 2014-01-03 | 2014-01-03 | Test system for vehicle-mounted reversal radar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420003770.7U CN203786291U (en) | 2014-01-03 | 2014-01-03 | Test system for vehicle-mounted reversal radar |
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| CN203786291U true CN203786291U (en) | 2014-08-20 |
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| CN201420003770.7U Expired - Fee Related CN203786291U (en) | 2014-01-03 | 2014-01-03 | Test system for vehicle-mounted reversal radar |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319540A (en) * | 2015-04-03 | 2016-02-10 | 上海通用汽车有限公司 | Method and device for automatic test of vehicle reverse sensor |
| CN106534838A (en) * | 2016-09-30 | 2017-03-22 | 惠州华阳通用电子有限公司 | Method and device for testing reliability of reversing image |
| CN107883939A (en) * | 2017-10-30 | 2018-04-06 | 惠州市德赛西威汽车电子股份有限公司 | The static boost line test device of one kind reversing and its method |
| CN109164426A (en) * | 2018-08-31 | 2019-01-08 | 北京经纬恒润科技有限公司 | A kind of test macro and method of radar coverage |
| CN109407060A (en) * | 2017-08-18 | 2019-03-01 | 郑州宇通客车股份有限公司 | Radar Automatic Test System |
| CN109490662A (en) * | 2018-10-24 | 2019-03-19 | 广州求远电子科技有限公司 | Test method, device, computer equipment and the storage medium of vehicle electronics |
| CN109959901A (en) * | 2017-12-26 | 2019-07-02 | 深圳市航盛电子股份有限公司 | A kind of reversing radar automated testing method, test equipment and storage medium |
| CN113219419A (en) * | 2020-02-04 | 2021-08-06 | 华为技术有限公司 | Radar performance testing device and system |
| CN113589240A (en) * | 2021-07-05 | 2021-11-02 | 一汽奔腾轿车有限公司 | Free field anti-interference test auxiliary equipment for vehicle electromagnetic compatibility vehicle-mounted radar |
-
2014
- 2014-01-03 CN CN201420003770.7U patent/CN203786291U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105319540A (en) * | 2015-04-03 | 2016-02-10 | 上海通用汽车有限公司 | Method and device for automatic test of vehicle reverse sensor |
| CN105319540B (en) * | 2015-04-03 | 2019-01-22 | 上海通用汽车有限公司 | A kind of vehicle reversing radar automatic test approach and the device for realizing this method |
| CN106534838A (en) * | 2016-09-30 | 2017-03-22 | 惠州华阳通用电子有限公司 | Method and device for testing reliability of reversing image |
| CN109407060A (en) * | 2017-08-18 | 2019-03-01 | 郑州宇通客车股份有限公司 | Radar Automatic Test System |
| CN107883939A (en) * | 2017-10-30 | 2018-04-06 | 惠州市德赛西威汽车电子股份有限公司 | The static boost line test device of one kind reversing and its method |
| CN109959901A (en) * | 2017-12-26 | 2019-07-02 | 深圳市航盛电子股份有限公司 | A kind of reversing radar automated testing method, test equipment and storage medium |
| CN109164426A (en) * | 2018-08-31 | 2019-01-08 | 北京经纬恒润科技有限公司 | A kind of test macro and method of radar coverage |
| CN109490662A (en) * | 2018-10-24 | 2019-03-19 | 广州求远电子科技有限公司 | Test method, device, computer equipment and the storage medium of vehicle electronics |
| CN109490662B (en) * | 2018-10-24 | 2021-02-23 | 广州求远电子科技有限公司 | Test method and device for automobile electronic equipment, computer equipment and storage medium |
| CN113219419A (en) * | 2020-02-04 | 2021-08-06 | 华为技术有限公司 | Radar performance testing device and system |
| CN113589240A (en) * | 2021-07-05 | 2021-11-02 | 一汽奔腾轿车有限公司 | Free field anti-interference test auxiliary equipment for vehicle electromagnetic compatibility vehicle-mounted radar |
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| 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: 20140820 Termination date: 20220103 |