CN212905444U - Reversing radar test system - Google Patents
Reversing radar test system Download PDFInfo
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- CN212905444U CN212905444U CN202021724876.8U CN202021724876U CN212905444U CN 212905444 U CN212905444 U CN 212905444U CN 202021724876 U CN202021724876 U CN 202021724876U CN 212905444 U CN212905444 U CN 212905444U
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- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 230000003028 elevating effect Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 13
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- 230000004888 barrier function Effects 0.000 description 3
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- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The utility model relates to a reverse sensor test system, including test bench, data acquisition unit and infrared distance meter, the test bench includes base, elevating system and test rod, and the test rod sets up at the top of elevating system, and elevating system and the slide rail sliding connection who sets up in the base both sides are equipped with the location base plate that is used for positioning the automobile tail on the base; the automobile tail is fixed at the positioning substrate, the testing rod is close to the automobile tail under the condition of different heights by moving the lifting mechanism and the testing rod on the lifting mechanism, the data acquisition unit is used for acquiring the testing data of the reversing radar of the automobile, and the testing data is compared with the distance between the testing rod and the automobile tail, which is measured by the infrared distance meter, so that the reversing radar is automatically tested; meanwhile, the shape of the test rod can be better matched with the tail of the automobile, so that the test result can be more comprehensive and accurate.
Description
Technical Field
The utility model relates to a radar of backing a car test technical field specifically is a radar test system of backing a car.
Background
The automobile reversing radar is also called as a reversing anti-collision radar and also called as a parking auxiliary device, and can inform a driver of the condition of surrounding obstacles in a sound or visual display mode. The automobile reversing radar has the following functions: the trouble caused by the front-back and left-right visiting when the driver parks and starts the vehicle is eliminated, the defects of view dead angles and blurred vision are overcome, and the driving safety is improved.
Whether the international standard or the national standard is adopted, the test of the reversing radar is clearly defined, for example, in the rear horizontal test defined in ISO17386-2010, in the area range specified by a rear bumper, the coverage rate of an obstacle identified by the radar needs to reach a certain value; for testing conditions, stone pavements, simulated walls, simulated parking pillars, simulated curbs, and the like must be included in the test range.
The existing car backing radar test adopts full-manual real car test, one person is required to move the barrier and record data, and a test curve is required to be drawn manually to form a test report, so that the test is troublesome and labor-consuming; meanwhile, the movement of the barrier and the judgment of the position of the barrier according to the buzzer ringing frequency are operated by people, so that the subjectivity is high, and the test result is unreliable.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a radar test system backs a car, can accomplish the test of radar of backing a car automatically and accurately reliably.
The utility model discloses a radar test system backs a car, including test bench, data acquisition unit and infrared distance meter, the test bench includes base, elevating system and test rod, and the test rod sets up at elevating system's top, elevating system and the slide rail sliding connection who sets up in the base both sides, is equipped with the location base plate that is used for positioning the automobile tail on the base; the infrared distance measuring instrument is arranged on the base and faces the lifting mechanism, the infrared distance measuring instrument is used for measuring the distance between the testing rod and the tail of the automobile, and the data acquisition unit and the infrared distance measuring instrument are arranged on the base; the two ends of the test rod are bent and matched with the profile of the tail of the automobile.
Further, the data acquisition unit is the STM32 singlechip, infrared distance meter passes through the data line and is connected with STM32 singlechip, and the STM32 singlechip passes through the CAN bus access and reads the data bus of car.
Further, the slide rail is the spout that sets up in the base both sides, and the cross-section of spout is type shape, elevating system includes slider and the linear electric motor who matches with the spout, slider and spout sliding connection, and linear electric motor is fixed the setting on the slider vertically, the both ends of test bar and linear electric motor's slide bar fixed connection.
Further, motors are arranged on two sides of the base, threaded rods are arranged on rotating shafts of the motors, threaded holes matched with the threaded rods are formed in the sliding blocks, and the threaded rods penetrate through the sliding blocks through the threaded holes; be equipped with motor drive circuit on the IO pin of STM32 singlechip, motor drive circuit passes through the wire and is connected with motor and linear electric motor.
Further, the positioning substrate is hinged with the top surface of the base.
The utility model has the advantages that: the utility model discloses a radar test system backs a car, through fixing the car afterbody in the location base plate department, through removing elevating system and the test bar on the elevating system, the condition of different height is close to the car afterbody with the test bar to use the test data of the radar of backing a car of data acquisition unit collection car, compare with the distance between test bar and the car afterbody that infrared distance meter measured, thereby carry out automatic test to the radar of backing a car; meanwhile, the shape of the test rod can be better matched with the tail of the automobile, so that the test result can be more comprehensive and accurate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a test bench according to the present invention;
fig. 2 is a schematic structural diagram of the data acquisition unit of the present invention.
The reference numbers are as follows: 1-base, 2-lifting mechanism, 3-infrared distance meter, 4-testing rod, 5-motor, 11-chute, 21-slide block, 51-threaded rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1-2: the reversing radar testing system comprises a testing bench, a data acquisition unit and an infrared distance meter 3, wherein the testing bench comprises a base 1, a lifting mechanism 2 and a testing rod 4, the testing rod 4 is arranged at the top of the lifting mechanism 2, the lifting mechanism 2 is in sliding connection with sliding rails arranged on two sides of the base 1, and a positioning substrate for positioning the tail of an automobile is arranged on the base 1; the infrared distance measuring instrument 3 is arranged on the base 1 and faces the lifting mechanism 2, the infrared distance measuring instrument 3 is used for measuring the distance between the testing rod 4 and the tail of the automobile, and the data acquisition unit and the infrared distance measuring instrument 3 are arranged; the ends of the test rod 4 are bent and match the profile of the rear of the car.
The utility model discloses a radar test system backs a car, through fixing the car afterbody in location base plate department, through removing elevating system 2 and the test rod 4 on the elevating system 2, be close to the car afterbody with test rod 4 under the condition of different heights, and use the test data of the radar of backing a car of data acquisition unit collection car, because the distance of infrared tester and location base plate is fixed, so can simply obtain the distance between test rod 4 and the car afterbody that infrared distance meter 3 measured, contrast both, thereby carry out automatic test to the radar of backing a car; meanwhile, the shape of the test rod 4 can be better matched with the tail of the automobile, so that the test result can be more comprehensive and accurate.
In the embodiment, the data acquisition unit is an STM32 single chip microcomputer, the infrared distance meter 3 is connected with an STM32 single chip microcomputer through a data line, the STM32 single chip microcomputer is accessed to and reads a data bus of an automobile through a CAN bus, and the single chip microcomputer is used for reading data in the CAN bus of the automobile, so that data of the reversing radar is obtained; meanwhile, the STM single chip microcomputer can also be used for automatically controlling the transverse and vertical displacements of the lifting mechanism 2.
In this embodiment, the slide rail is the spout 11 that sets up in base 1 both sides, and the cross-section of spout 11 is type shape, and elevating system 2 includes slider 21 and linear electric motor 22 with spout 11 matching, slider 21 and spout 11 sliding connection, and linear electric motor 22 is fixed setting vertically on slider 21, and the both ends of test rod 4 and linear electric motor 22's slide bar fixed connection.
In the embodiment, the two sides of the base 1 are provided with the motors 5, the rotating shaft of each motor 5 is provided with a threaded rod 51, the sliding block 21 is provided with a threaded hole matched with the threaded rod 51, and the threaded rod 51 penetrates through the sliding block 21 through the threaded hole; be equipped with motor 5 drive circuit on the IO pin of STM32 singlechip, motor 5 drive circuit passes through the wire and is connected with motor 5 and linear electric motor 22.
In this embodiment, the positioning substrate is articulated with the top surface of base 1, because the positioning substrate can shelter from the radar of backing if unanimous erectting for the radar of backing can't record the distance between elevating system 2 and the car, consequently need fall it after fixing a position the car afterbody.
The specific implementation process is as follows:
(1) vertically unfolding the positioning substrate, backing up, abutting the tail part of the automobile with the positioning substrate, pulling a hand brake to keep the automobile still, and simultaneously rotating the positioning substrate to a position where the infrared distance meter 3 is not shielded;
(2) firstly, the position of a test rod 4 is adjusted to be the lowest by utilizing a linear motor 22, a ground obstacle is simulated, the test rod 4 is close to the tail of an automobile from a far position by utilizing a motor 5, and the readings of an infrared distance meter 3 and the data of an automobile reversing radar at a plurality of distances are recorded;
(3) and (5) lifting the position of the test rod 4 and repeating the step (2).
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (5)
1. The utility model provides a reverse sensor test system which characterized in that: the automobile tail positioning device comprises a test bench, a data acquisition unit and an infrared distance meter, wherein the test bench comprises a base, a lifting mechanism and a test rod, the test rod is arranged at the top of the lifting mechanism, the lifting mechanism is in sliding connection with sliding rails arranged on two sides of the base, and a positioning substrate for positioning the tail of an automobile is arranged on the base; the infrared distance measuring instrument is arranged on the base and faces the lifting mechanism, the infrared distance measuring instrument is used for measuring the distance between the testing rod and the tail of the automobile, and the data acquisition unit and the infrared distance measuring instrument are arranged on the base; the two ends of the test rod are bent and matched with the profile of the tail of the automobile.
2. The reversing radar testing system according to claim 1, wherein: the data acquisition unit is the STM32 singlechip, infrared distance meter passes through the data line and is connected with STM32 singlechip, and the STM32 singlechip passes through the CAN bus access and reads the data bus of car.
3. The reversing radar testing system according to claim 2, wherein: the slide rail is the spout that sets up in the base both sides, and the cross-section of spout is type of protruding, elevating system includes slider and the linear electric motor who matches with the spout, slider and spout sliding connection, and linear electric motor fixes the setting on the slider vertically, the both ends of test bar and linear electric motor's slide bar fixed connection.
4. The reversing radar testing system according to claim 3, wherein: the motor is arranged on two sides of the base, a threaded rod is arranged on a rotating shaft of the motor, a threaded hole matched with the threaded rod is formed in the sliding block, and the threaded rod penetrates through the sliding block through the threaded hole; be equipped with motor drive circuit on the IO pin of STM32 singlechip, motor drive circuit passes through the wire and is connected with motor and linear electric motor.
5. The reversing radar testing system according to claim 1, wherein: the positioning substrate is hinged with the top surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724876.8U CN212905444U (en) | 2020-08-18 | 2020-08-18 | Reversing radar test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724876.8U CN212905444U (en) | 2020-08-18 | 2020-08-18 | Reversing radar test system |
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| Publication Number | Publication Date |
|---|---|
| CN212905444U true CN212905444U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021724876.8U Active CN212905444U (en) | 2020-08-18 | 2020-08-18 | Reversing radar test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2020
- 2020-08-18 CN CN202021724876.8U patent/CN212905444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Effective date of registration: 20240321 Address after: No. N3046, 3rd Floor, R&D Building N, Artificial Intelligence Science and Technology Park, Zhuanyang Street, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province, 430058 Patentee after: Wuhan Aoxin Intelligent Electronics Co.,Ltd. Country or region after: Zhong Guo Address before: 518000 No. 60, Longwo Road, Longtian community, Longtian street, Pingshan District, Shenzhen City, Guangdong Province - chemical workshop 201 Patentee before: SHENZHEN JIAHAOCHEN TECHNOLOGY CO.,LTD. Country or region before: Zhong Guo |
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