CN217060493U

CN217060493U - Radar testing device

Info

Publication number: CN217060493U
Application number: CN202220133021.0U
Authority: CN
Inventors: 王鑫玥; 赵荣菊; 梁天晟; 陈连; 黄冰梅
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-07-26
Anticipated expiration: 2032-01-18

Abstract

The utility model provides a radar testing device, which comprises a testing room, a frame, a barrier and a plurality of racks, wherein a first mark and a second mark are arranged in the testing room; the frame is arranged at one side of the test room; the plurality of racks are arranged on the rack at intervals and are connected with the rack in a sliding manner; the rack is used for fixing the radar and is electrically connected with the radar through the signal interface; the barrier is arranged on the first mark and the second mark. The utility model discloses set up signal interface alone on every rack among the technical scheme and connect different radars to set up first sign and second sign simultaneously and measure the radar parameter of difference between the test, the actual use environment when simulation vehicle carries on two kinds or multiple radars, thereby realizes surveying the location to two kinds or multiple different radars, improves measurement accuracy.

Description

Radar testing device

Technical Field

The utility model relates to an automobile radar technical field, in particular to radar testing device.

Background

Ultrasonic radar and millimeter wave radar all are the indispensable component part in the intelligent driving field of present day, and most intelligent driving products carry out environmental detection by millimeter wave radar and ultrasonic radar on the market, and the radar performance directly influences the final presentation and the user experience of function, can influence user's safe driving even. In the past, the test of the ultrasonic radar and the millimeter wave radar is mainly carried out on the whole vehicle layer, and the accuracy of each parameter is difficult to control. In the aspect of bench test, radar manufacturers generally perform test and submit reports, so that two radars cannot be tested simultaneously after assembly is completed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a radar testing arrangement aims at solving and can't test two kinds of on-vehicle radars simultaneously, the lower technical problem of accuracy of radar parameter.

In order to achieve the above object, the utility model provides a radar testing device, radar testing device includes:

the test room is internally provided with a first identifier and a second identifier;

the rack is arranged on one side of the test room;

the racks are arranged on the rack at intervals and are connected with the rack in a sliding manner; the rack is provided with a signal interface and used for fixing a radar and is electrically connected with the radar through the signal interface;

an obstacle disposed on the first marker and the second marker.

Optionally, the radar testing device further comprises a rotating part, each rack is correspondingly provided with one rotating part, and the rotating parts are used for driving the radar to rotate.

Optionally, the first identifier is a grid identifier, the second identifier is a coordinate identifier, the first identifier and the second identifier are both disposed on the bottom wall of the test room, and the origin of coordinates of the second identifier is located on a grid vertex of the first identifier.

Optionally, the radar testing apparatus further includes a third identifier, the third identifier is disposed in the testing room, the third identifier is an angle identifier, and the third identifier overlaps with the first identifier and/or the second identifier.

Optionally, a wave-absorbing material is arranged on the side wall of the test chamber.

Optionally, the radar testing device further includes a moving assembly, the moving assembly is disposed in the testing room, the obstacle is disposed on the moving assembly, and the moving assembly is configured to drive the obstacle to move in the testing room.

Optionally, the moving assembly includes an X-axis driving guide rail and a Y-axis driving guide rail, the obstacle is movably disposed on the Y-axis driving guide rail, and the Y-axis driving guide rail is movably disposed on the X-axis driving guide rail.

Optionally, the moving assembly further comprises a Z-axis driving guide rail, and the X-axis driving guide rail is movably arranged on the Z-axis driving guide rail.

Optionally, the number of the Y-axis drive guide rails is multiple, each Y-axis drive guide rail is correspondingly provided with one obstacle, and the multiple Y-axis drive guide rails are arranged on the X-axis drive guide rail at intervals.

The utility model discloses be in among the technical scheme every set up alone on the rack signal interface connects different radars, and is in simultaneously set up between the test first sign and the second sign is measured the radar parameter of difference, and the actual use environment when simulation vehicle carries on two kinds or multiple radars to the realization is surveyed the location to two kinds or multiple different radars, improves measurement accuracy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of the radar testing device of the present invention;

fig. 2 is the utility model discloses radar testing arrangement's sign schematic diagram.

The reference numbers indicate:

reference numerals	Name(s)	Reference numerals	Name(s)
				10	Test room	20	Frame
30	Rack	40	Wave-absorbing material
				50	X-axis drive guide rail	60	Y-axis driving guide rail

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions in the present application as to "first," "second," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.

The utility model provides a radar testing device, please refer to fig. 1, the radar testing device comprises a testing room 10, a frame 20, a barrier and a plurality of racks 30, wherein a first mark and a second mark are arranged in the testing room 10; the rack 20 is arranged at one side of the test room 10; a plurality of the racks 30 are arranged on the rack 20 at intervals, and the racks 30 are connected with the rack 20 in a sliding manner; the rack 30 is provided with a signal interface, and the rack 30 is used for fixing a radar and is electrically connected with the radar through the signal interface. The obstacle is disposed on the first mark and the second mark. In this embodiment, one or more of the obstacles are randomly placed in the test cell 10 to further refine the radar test.

The test booth 10 is a closed space, in this embodiment, the test booth 10 is illustrated by a rectangular parallelepiped, the size of the test booth 10 may be set to 15m × 10m, and the rack 20 is disposed in the test booth 10 and near one of the walls, for example, near the wall with the width of 10 m. The rack 20 is provided with a plurality of the racks 30, and the racks 30 are used for mounting radar. Each rack 30 is provided with the signal interface, and in addition, the rack 30 can be further provided with a communication module, and the signal interface can be in communication connection with an external server or a controller through the communication module in a wired connection or wireless connection mode. After the radar is fixed on the rack 30, the radar is connected to the communication interface, so that power supply, corresponding operation and the like are realized through an external server or a controller.

The rack 30 is detachably connected to the rack 20, so that the adjustment can be performed according to the test number of the radars. The direction of the radar transmission is directed into the test cell 10. For example, when a millimeter-wave radar and an ultrasonic radar are simultaneously tested, two of the stages 30 are mounted on the rack 20, a millimeter-wave radar is mounted on one of the stages 30, and an ultrasonic radar is mounted on the other stage 30. By moving the stages 30 to adjust the distance between the two stages 30, the installation positions of the radars in different vehicle models are simulated. After two different radars are started, the position of the obstacle is measured and compared with the actual positions of the obstacle on the first mark and the second mark. It should be noted that, when the measured radar is a millimeter wave radar and an ultrasonic radar, the first identifier is a grid identifier, the second identifier is a coordinate identifier, a grid for ultrasonic radar testing, and a radar coordinate system for millimeter wave radar testing, so that two radars can be simultaneously supported for detection and positioning.

Referring to fig. 2, the first mark and the second mark are both disposed on the bottom wall of the test chamber 10, and the origin of coordinates of the second mark is located at the table vertex of the first mark. The radar testing device further comprises a third identifier, the third identifier is arranged in the testing room 10, and the third identifier is represented as an angle identifier. In addition, the wave absorbing material 40 is arranged on the side wall of the test chamber 10, and the wave absorbing material 40 can also be arranged on the top wall or the bottom wall of the test chamber 10, so that external interference is prevented.

The utility model discloses among the technical scheme be every set up alone on the rack 30 signal interface connects different radars, and is in simultaneously set up in the test room 10 first sign and the second sign is measured the radar parameter of difference, and the actual service environment when simulation vehicle carries on two kinds or multiple radars to the realization is surveyed the location to two kinds or multiple different radars, improves measurement accuracy.

Further, the radar testing device further comprises rotating parts, each rotating part is correspondingly arranged on the rack 30 and used for driving the radar on the rack 30 to rotate. The rotating part can adopt a mode of rotating a motor and is arranged between the rack 30 and the radar or between the rack 30 and the rack 20, so that the radar is directly or indirectly driven to rotate, the emission angle of the radar is adjusted, the flexibility of testing is improved, and more different service environments can be simulated.

Further, the radar testing device further comprises a moving assembly, the moving assembly is arranged in the testing room 10, the obstacles are arranged on the moving assembly, and the moving assembly is used for driving the obstacles to move in the testing room 10. The moving component drives the barrier to move in the test room 10, so as to simulate other vehicles or barriers and the like on the road in the driving process of the vehicle. Thereby further improving the accuracy of the test.

Specifically, the moving assembly comprises an X-axis driving guide rail and a Y-axis driving guide rail, the barrier is movably arranged on the Y-axis driving guide rail, and the Y-axis driving guide rail is movably arranged on the X-axis driving guide rail. In this embodiment, the X-axis driving guide rail and the Y-axis driving guide rail are matched with each other to realize the movement of the obstacle in the plane of the bottom wall of the testing room 10. The X-axis moving guide rail includes two slide rails, and the two slide rails are respectively disposed on the side wall of the testing room 10 with the length of 15m, that is, on the two side walls adjacent to the rack 20. Two ends of the Y-axis moving guide rail are respectively connected with the two slide rails, and the X-axis moving guide rail moves on the X-axis driving guide rail through external driving motors and other equipment. The Y-axis moving guide may adopt a linear module or a lead screw nut base, and the barrier may be fixed to the linear module or the lead screw nut base, so as to test the movement in the Y-axis direction.

In addition, the moving assembly further comprises a Z-axis driving guide rail, and the X-axis driving guide rail is movably arranged on the Z-axis driving guide rail. In this embodiment, in order to further improve the authenticity of the simulation of the radar testing device, the Z middle driving guide rail is additionally arranged, and under the action of the Z axis driving guide rail, the obstacle can be adjusted in the height direction of the test room 10, so that the authenticity of the simulation is increased, for example, the simulation height limit frame is increased.

Furthermore, the number of the Y-axis driving guide rails is multiple, each Y-axis driving guide rail is correspondingly provided with one obstacle, and the multiple Y-axis driving guide rails are arranged on the X-axis driving guide rail at intervals. In this embodiment, a plurality of Y-axis driving guide rails may be simultaneously arranged to simulate a scene in which a plurality of obstacles are simultaneously present; or can also be through in the test room 10 set up a plurality ofly the mode of removing the subassembly, every remove and set up one or more on the subassembly the barrier carries out the simulation test, thereby further improves radar testing arrangement's flexibility ratio to and the reliability of test result.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A radar testing apparatus, characterized in that the radar testing apparatus comprises:

the rack is arranged on one side of the test room;

an obstacle disposed on the first and second markers.

2. The radar testing device as claimed in claim 1, further comprising a rotating member, one of which is disposed on each of the racks, for driving the radar to rotate.

3. The radar testing device of claim 1, wherein the first mark is a grid mark, the second mark is a coordinate mark, the first mark and the second mark are both disposed on the bottom wall of the test room, and the origin of coordinates of the second mark is located on a grid vertex of the first mark.

4. The radar testing device according to any one of claims 1 to 3, further comprising a third mark, wherein the third mark is arranged in the test chamber, and the third mark is an angle mark which is arranged to overlap with the first mark and/or the second mark.

5. The radar testing device of claim 1, wherein a wave absorbing material is disposed on a side wall of the test chamber.

6. The radar testing device of claim 1, further comprising a moving assembly disposed within the test compartment, the barrier being disposed on the moving assembly, the moving assembly being configured to drive the barrier to move within the test compartment.

7. The radar testing device of claim 6, wherein the movement assembly includes an X-axis drive rail and a Y-axis drive rail, the barrier being movably disposed on the Y-axis drive rail, the Y-axis drive rail being movably disposed on the X-axis drive rail.

8. The radar testing device of claim 7, wherein the movement assembly further comprises a Z-axis drive rail, the X-axis drive rail being movably disposed on the Z-axis drive rail.

9. The radar testing device according to claim 7, wherein the number of the Y-axis driving guide rails is plural, one obstacle is correspondingly disposed on each Y-axis driving guide rail, and the plural Y-axis driving guide rails are disposed on the X-axis driving guide rail at intervals.