CN217739327U - Electromagnetic radiation immunity testing arrangement of simulation vehicle motion - Google Patents
Electromagnetic radiation immunity testing arrangement of simulation vehicle motion Download PDFInfo
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- CN217739327U CN217739327U CN202122020193.5U CN202122020193U CN217739327U CN 217739327 U CN217739327 U CN 217739327U CN 202122020193 U CN202122020193 U CN 202122020193U CN 217739327 U CN217739327 U CN 217739327U
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Abstract
The utility model discloses an electromagnetic radiation immunity testing device for simulating vehicle movement, which comprises a guide unit, wherein a bearing platform is arranged on the guide unit; the bearing platform is provided with a wave-absorbing dark box, a radar simulator and a positioning seat are arranged in the wave-absorbing dark box, an antenna is arranged on the positioning seat, and the antenna is connected with the radar simulator. The utility model has the advantages of wholly dismantle simply, be convenient for arrange, use low price guide rail can the dog realize the lateral motion of simulation vehicle.
Description
Technical Field
The utility model belongs to the technical field of car electromagnetic compatibility test, specifically speaking, in particular to electromagnetic radiation immunity testing arrangement of simulation vehicle motion.
Background
With the continuous improvement of global automobile safety standards, the advanced driving assistance system of automobiles is rapidly developed. An Advanced Driver Assistance System (ADAS) is an important component of the intelligent development of automobiles, and monitors drivers, vehicles and driving environments thereof by using sensing, communication, decision-making, execution and other devices mounted on the vehicles, and assists the drivers to execute driving tasks or actively avoid and reduce collision hazards in the modes of images, lights, sounds, tactile prompts, warnings or control and the like. However, in the actual working environment of the intelligent automobile, the electromagnetic environment inside and outside the automobile is extremely complex, and the strong electromagnetic radiation anti-interference performance is an important performance index for ensuring the stable and reliable operation of the advanced driving assistance system of the automobile.
The research, development, test and verification of the automobile advanced driving auxiliary system are usually based on a field test or a simulation scene, the radiation immunity test of the automobile advanced driving auxiliary system is in accordance with the standard GB/T33012.2, and the test is generally carried out in a semi-anechoic chamber. When the electromagnetic radiation immunity of the whole automobile is tested, the working state of the ADAS is monitored quickly in real time, and the method is important for judging the electromagnetic radiation immunity of the ADAS and is also a difficult point of testing. On the one hand, it is to be ensured that the ADAS function of the vehicle can be triggered stably indoors. On the other hand, when the electromagnetic radiation immunity is tested, the additional device is ensured to be capable of normally operating in a strong electromagnetic environment. Therefore, the indoor simulation equipment of the general advanced driving assistance system of the automobile cannot meet the requirement of the electromagnetic radiation immunity testing device of the advanced driving assistance system of the automobile. Therefore, a mechanism capable of simulating a vehicle ahead and realizing various advanced driving assistance of the vehicle in a anechoic chamber is required to be established to realize the test and evaluation of the electromagnetic radiation immunity performance of the advanced driving assistance system of the vehicle.
Those skilled in the art therefore endeavor to provide a structure for simulating vehicle movement and darkroom electromagnetic testing that effectively solves the above technical problems.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical problem to be solved in the present invention is to provide a structure for simulating vehicle movement and darkroom electromagnetic test, which can effectively solve the above-mentioned technical problems.
In order to achieve the purpose, the utility model provides an electromagnetic radiation immunity testing device for simulating vehicle movement, which comprises a guide unit, wherein a bearing platform is arranged on the guide unit;
the bearing platform is provided with a wave-absorbing dark box, a radar simulator and a positioning seat are arranged in the wave-absorbing dark box, an antenna is arranged on the positioning seat, and the antenna is connected with the radar simulator.
Preferably, the guide unit includes a rail motor and a rail that is used in cooperation with the rail motor and is laterally movable.
Preferably, the front face of the wave-absorbing dark box is parallel to the guide rail.
Preferably, the radar simulator is a millimeter wave radar.
Preferably, wave-absorbing cotton is arranged outside the radar simulator.
Preferably, the radar simulator further comprises a host computer, wherein the host computer is used for transmitting data of the simulated vehicle into the radar simulator through the optical fiber.
Preferably, the positioning seat is made of a lifting table.
The beneficial effects of the utility model are that: the utility model has the advantages of wholly dismantle simply, be convenient for arrange, use low price's guide rail can realize simulating the lateral motion of vehicle.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
in the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
As shown in fig. 1 to 2, the utility model provides a structure for simulating vehicle movement and used for electromagnetic radiation immunity test of an advanced driving assistance system and a darkroom of an automobile aiming at electromagnetic radiation immunity test of the advanced driving assistance system of the automobile, the structure can simulate a vehicle ahead in a semi-anechoic chamber and is used for triggering the advanced driving assistance function of the tested vehicle and meeting the electromagnetic radiation immunity test requirement of the advanced driving assistance system of the automobile; the height of the antenna 3 can be adjusted according to the functions of advanced driving auxiliary systems of different automobiles, the running speed of the guide rail 1 is set, and the simulation of changing lanes at different automobile speeds is realized.
Will the utility model discloses put before being surveyed the vehicle, light signal through the host computer transmission turns into the signal of telecommunication and gives millimeter wave radar simulator and guide rail motor, and the lateral motion that will simulate the vehicle is simulated through the rotation of guide rail motor, simulates the longitudinal movement of vehicle through the signal of millimeter wave radar simulator, and its technical characterstic is: the whole guide rail 1 is arranged at a proper position in front of the vehicle to be tested, a bearing platform 6 is placed on the guide rail 1, and finally the wave-absorbing dark box 4 is placed. The wave-absorbing camera bellows 4 has one side of the antenna 3 parallel to the guide rail, so that the wave-absorbing camera bellows does not shake on the guide rail. The surface of the wave-absorbing dark box 4 with the antenna 3 is aligned to the millimeter wave radar of the vehicle to be detected, and the antenna 3 and the millimeter wave radar of the vehicle to be detected are arranged on the same plane, so that the antenna port is opposite to the radar. The optical signal transmitted by the host is converted into an electric signal through the photoelectric conversion module and then is transmitted to the millimeter wave radar simulator and the guide rail motor for simulating the vehicle. The utility model discloses combine together with car electromagnetic radiation immunity test with half anechoic chamber environment, in half anechoic chamber, realize triggering and the electromagnetism test to advanced driving assistance system.
An electromagnetic radiation immunity testing device for simulating vehicle motion comprises a guide unit, wherein a bearing table 6 is arranged on the guide unit;
the wave-absorbing device is characterized in that a wave-absorbing dark box 4 is arranged on the bearing table 6, a radar simulator 5 and a positioning seat 2 are arranged in the wave-absorbing dark box 4, an antenna 3 is arranged on the positioning seat 2, and the antenna 3 is connected with the radar simulator 5. In this embodiment, the radar simulator 5 is a millimeter-wave radar. The characteristics of the vehicle can be simulated through the millimeter wave radar simulator, and the millimeter waves are returned to the vehicle to be tested through the antenna 3. The transverse movement of the simulated vehicle is realized by erecting the guide rail 1 and the bearing platform 6, and the movement of the simulated vehicle is realized. The specific mode is that the transverse motion of the wave-absorbing dark box is communicated with a host through a motor on a guide rail by matching a network cable with a photoelectric converter, so that the transverse motion of a vehicle is simulated.
The guide unit comprises a guide rail motor 7 and a guide rail 1 which is matched with the guide rail motor 7 and can move transversely.
The front surface of the wave-absorbing dark box 4 is parallel to the guide rail 1.
Wave-absorbing cotton is arranged outside the radar simulator 5. In this embodiment, the wave-absorbing cotton is arranged outside the radar simulator 5 to shield the electromagnetic shielding of the antenna 3 and the radar simulator 5.
The utility model discloses used guide rail 1 and 5 simulators of radar simulator to realize the motion of simulation vehicle, put into and inhale ripples camera bellows 4 and can satisfy indoor electromagnetic test to car autopilot function.
And a host computer, wherein the host computer is used for transmitting the data of the simulated vehicle into the radar simulator 5 through an optical fiber. The radar simulator 5 receives the values of the front vehicle speed, the relative distance, the set electromagnetic scattering parameters and the like transmitted by the host through the optical fiber.
The positioning seat 2 is made of a lifting table. The antenna of the millimeter wave radar simulator uses a lifting platform to adapt the heights of the millimeter wave radars of different vehicle types.
The utility model discloses the detection means that utilizes present intelligent vehicle is based on the characteristic of millimeter wave radar, uses radar simulator 5 to simulate out the echo signal of vehicle, and there is the vehicle in simulation the place ahead to can provide relative velocity and relative distance, in view of the lateral motion that radar simulator 5 can not simulate the vehicle, consequently the utility model discloses increase bearing platform 6 on guide rail 1, place radar simulator 5 and put again in absorbing wave camera bellows 4 on bearing platform 6. The simulation of different advanced driving auxiliary system functions can be realized, and the system is suitable for an automobile self-adaptive cruise control system, a forward collision early warning system, an automatic emergency braking system, a blind area monitoring system, a lane departure warning system and the like. The utility model has the advantages of wholly dismantle simply, be convenient for arrange, use low price guide rail can the dog realize the lateral motion of simulation vehicle.
In actual use:
(1) In a semi-anechoic chamber, a guide rail 1 is arranged in front of a detected vehicle, so that the guide rail 1 and a vehicle front millimeter wave radar reach a certain distance. And sequentially placing the bearing frame 6 and the wave-absorbing dark box 4 on the guide rail 1.
(2) Data of the simulated vehicle is transmitted to the radar simulator through the optical fiber through the host, information of the simulated vehicle is processed through software inside the radar simulator 5, and the antenna 3 is used for transmitting and receiving signals with a millimeter wave radar of the tested vehicle.
(3) The guide rail 1 is electrified, so that the guide rail 1 moves transversely, and the radar simulator 5 is driven to move together and is used for simulating the operations of lane changing or line crossing of a vehicle and the like.
(4) After the whole mechanism runs successfully, the electromagnetic interference test is carried out together with the tested vehicle.
In this embodiment, the signal transmission uses the photoelectric conversion device to convert the optical signal transmitted by the host into an electrical signal that can be used by the millimeter-wave radar simulator in the dark box.
The millimeter wave radar simulator receives and transmits the millimeter waves through the two antennas, and can adjust the polarity of the antenna 3 to meet the requirements of millimeter wave radars of different vehicles.
Therefore, the utility model relates to a signal test system of an advanced driving assistance system of an automobile in a semi-anechoic chamber, which takes the image, sound, vibration and speed sensors arranged on the tested automobile as signal monitoring input to respectively monitor the image, light, sound, touch alarm and the real-time speed of the automobile of the advanced driving assistance system; the sensor is powered by the signal integrated conversion device, and the signal is transmitted to the data acquisition processing device outside the semi-anechoic chamber by the photoelectric conversion device; and monitoring and recording the working state and the alarm signal of the advanced driving assistance system in real time by monitoring software. The signal monitoring of different advanced driving auxiliary systems can be realized by adjusting the mounting positions of the image, sound and vibration sensors; the working state of the advanced driving assistance system of the vehicle and the alarm can be monitored and recorded in the semi-anechoic chamber.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. The utility model provides an electromagnetic radiation immunity testing arrangement of simulation vehicle motion which characterized by: comprises a guide unit, wherein a bearing platform (6) is arranged on the guide unit;
be provided with on bearing platform (6) and inhale ripples camera bellows (4), it is provided with radar simulator (5) and positioning seat (2) in camera bellows (4) to inhale ripples, be provided with antenna (3) on positioning seat (2), antenna (3) with radar simulator (5) are connected.
2. The apparatus for testing immunity to electromagnetic radiation simulating vehicle motion of claim 1, wherein: the guide unit comprises a guide rail motor (7) and a guide rail (1) which is matched with the guide rail motor (7) and can move transversely.
3. The apparatus for testing immunity to electromagnetic radiation simulating vehicle motion of claim 2, wherein: the front surface of the wave-absorbing dark box (4) is parallel to the guide rail (1).
4. The apparatus for testing immunity to electromagnetic radiation simulating vehicle motion of claim 1, wherein: the radar simulator (5) is a millimeter wave radar.
5. The apparatus for testing immunity to electromagnetic radiation simulating vehicle motion of claim 1, wherein: wave-absorbing cotton is arranged outside the radar simulator (5).
6. The apparatus for testing immunity to electromagnetic radiation simulating vehicle motion of claim 1, wherein: the radar simulator also comprises a host computer, wherein the host computer is used for transmitting data of the simulated vehicle into the radar simulator (5) through an optical fiber.
7. The apparatus for testing immunity to electromagnetic radiation simulating vehicle motion of claim 1, wherein: the positioning seat (2) is made of a lifting table.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122020193.5U CN217739327U (en) | 2021-08-25 | 2021-08-25 | Electromagnetic radiation immunity testing arrangement of simulation vehicle motion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122020193.5U CN217739327U (en) | 2021-08-25 | 2021-08-25 | Electromagnetic radiation immunity testing arrangement of simulation vehicle motion |
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| CN217739327U true CN217739327U (en) | 2022-11-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118130945A (en) * | 2024-02-29 | 2024-06-04 | 中汽研汽车检验中心(武汉)有限公司 | EMC test simulation device of new energy automobile driving auxiliary system |
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2021
- 2021-08-25 CN CN202122020193.5U patent/CN217739327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118130945A (en) * | 2024-02-29 | 2024-06-04 | 中汽研汽车检验中心(武汉)有限公司 | EMC test simulation device of new energy automobile driving auxiliary system |
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Effective date of registration: 20221214 Address after: 518000 101, building B6, Junfeng Industrial Zone, Yonghe Road, Heping community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Yinuowei New Technology Co.,Ltd. Patentee after: Chongqing University of Technology Address before: 401320 69 Hongguang Avenue, Banan District, Chongqing Patentee before: Chongqing University of Technology Patentee before: Guangdong Yinuowei New Technology Co.,Ltd. |
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