Ultrasonic sensor detection range test platform

Abstract

The utility model discloses an ultrasonic sensor detection range test platform, which relates to the field of ultrasonic detection and comprises radar cloth, a three-axis guide rail, a three-dimensional universal joint and an analog board. The radar cloth is provided with checkerboards arranged in an array, and coordinates of detection points are calibrated through the checkerboards; the three-dimensional universal joint is mounted on the three-axis guide rail; the analog board is fixed on the third bracket, and the ultrasonic sensor is mounted on the analog board; the ultrasonic sensor moves along the X-axis direction, the Y-axis direction and the Z-axis direction along with the three-axis guide rail; the first rotating shaft is perpendicular to the second rotating shaft; when the second bracket rotates along the first rotating shaft, the pitching angle of the ultrasonic sensor is changed; when the third support rotates along the second rotating shaft, the horizontal angle of the ultrasonic sensor changes. Through cooperation of the three-axis guide rail and the three-dimensional universal joint, adjustment of the position and the angle of the ultrasonic sensor is realized, so that the installation position of the sensor of a vehicle can be simulated, the universality is high, and the test cost of different vehicle types is reduced.

Description

Technical Field

[0001] This application relates to the field of ultrasonic testing, and more specifically, to a testing platform for the detection range of an ultrasonic sensor. Background Technology

[0002] Because ultrasonic radar performance varies greatly, each ultrasonic radar probe needs to have its FOV (Field of View) range measured before it is actually installed in a vehicle in order to evaluate the performance of the ultrasonic radar.

[0003] Currently, the method for measuring the field of view (FOV) of a vehicle involves setting up a test bench to simulate the vehicle's position information. Patent application number 202011385282.3 proposes a test bench for sensors related to intelligent driving, including a bench frame with mounting brackets. This method requires custom-designed benches for different vehicles, resulting in poor versatility, high test development cycles, and high costs. Even for the same vehicle model, the adjustability is poor after overall or partial changes, making the testing method inflexible. Patent application number 201910504170.6 proposes a simulated vehicle combination test bench for parking system perception testing, including a horizontally extendable support platform. The support platform has a front sub-platform and a rear sub-platform simulating a vehicle layout. The platform has brackets corresponding to ultrasonic radar, surround-view cameras, and front-view cameras. In this design, the test platform is divided into a front sub-platform and a rear sub-platform, and includes a horizontally extendable support platform, resulting in a large footprint. Furthermore, its independent three-axis linear module, containing a three-axis unit, is quite large, leading to poor adaptability under extreme vehicle conditions. Additionally, while the gimbal structure is simple, the installation implementation method is unclear, only guaranteeing high movement accuracy, not the accuracy of adjusting the horizontal and vertical angles. Utility Model Content

[0004] This application provides an ultrasonic sensor detection range testing platform to overcome at least one technical problem existing in the prior art.

[0005] This application provides a test platform for the detection range of an ultrasonic sensor, including: radar cloth, a three-axis guide rail, a three-dimensional universal joint, and a simulation board;

[0006] The radar cloth is located on one side of the three-axis guide rail, and the radar cloth is provided with a checkerboard pattern arranged in an array. The coordinates of the detection points are determined by the checkerboard pattern.

[0007] The three-dimensional universal joint includes a first bracket, a second bracket, and a third bracket, with the second bracket located between the first bracket and the third bracket; the three-dimensional universal joint is mounted on the three-axis guide rail via the first bracket; the simulation board is fixed to the third bracket, and the ultrasonic sensor is mounted on the simulation board; the ultrasonic sensor moves along the X-axis, Y-axis, and Z-axis directions with the three-axis guide rail;

[0008] The first bracket and the second bracket are rotatably connected via a first rotating axis, and the third bracket and the second bracket are rotatably connected via a second rotating axis; the first rotating axis and the second rotating axis are arranged perpendicularly; when the second bracket rotates along the first rotating axis, the pitch angle of the ultrasonic sensor changes; when the third bracket rotates along the second rotating axis, the horizontal angle of the ultrasonic sensor changes.

[0009] Each of the three-axis guide rails is equipped with scale information;

[0010] The first bracket and the third bracket are provided with concentric scales, the arrow on the first rotating shaft points to the concentric scale on the first bracket, and the arrow on the second rotating shaft points to the concentric scale on the third bracket.

[0011] Optionally, it also includes a base, on which the three-axis guide rail is fixed;

[0012] The base is a block structure, or a roller or caster wheel.

[0013] Optionally, the three-axis guide rail includes mutually perpendicular Y-axis guide rail, X-axis guide rail and Z-axis guide rail. The Y-axis guide rail is fixed on the base. The X-axis guide rail is installed on the side of the Y-axis guide rail away from the base and can move along the extension direction of the Y-axis guide rail. The Z-axis guide rail is installed on the side of the X-axis guide rail away from the base and can move along the extension direction of the X-axis guide rail.

[0014] Optionally, the Y-guide rail includes a first Y-guide rail and a second Y-guide rail, which are parallel to each other; one end of the X-guide rail is mounted on the first Y-guide rail and the other end is mounted on the second Y-guide rail.

[0015] Optionally, the X-guide rail, the Z-guide rail, and the ultrasonic sensor are in one-to-one correspondence.

[0016] Optionally, a first handle is provided on the X-guide rail, the first handle being used to fix the X-guide rail;

[0017] A second handle is provided on the Z-guide rail, which is used to fix the Z-guide rail.

[0018] Optionally, the first bracket includes a first bottom and two first sides. The first bottom is mounted on the Z-guide rail and is movable along the extension direction of the Z-guide rail. The two first sides are fixed to opposite ends of the first bottom on the side away from the Z-guide rail. A first connecting hole is provided on the first side.

[0019] The second bracket includes a second bottom and two second sides. The second sides are fixed to opposite ends of the second bottom near the side of the first bracket. A second connecting hole is provided on the second side.

[0020] The first rotating shaft passes through the first connecting hole and the second connecting hole to rotatably connect the first bracket and the second bracket.

[0021] Optionally, the first bracket is provided with a third handle, which is used to fix the first bracket.

[0022] Optionally, the second bracket further includes two third sides, which are fixed to opposite ends of the second bottom away from the first bracket, and the third sides are perpendicular to the second sides; a third connecting hole is provided on the third side;

[0023] The third bracket includes a third bottom and two fourth sides. The fourth sides are fixed to opposite ends of the third bottom near the second bracket. A fourth connecting hole is provided on the fourth side.

[0024] The second rotating shaft passes through the third and fourth connecting holes and rotatably connects the second bracket and the third bracket.

[0025] Optionally, the simulation board has an opening, and the ultrasonic sensor is installed in the opening.

[0026] The innovative aspects of this application's embodiments include:

[0027] 1. In this embodiment, by using the combination of a three-axis guide rail and a three-dimensional universal joint, not only can the coordinates of the ultrasonic sensor in the X-axis, Y-axis and Z-axis directions be adjusted, but also the horizontal and pitch angles of the ultrasonic sensor can be adjusted. This allows for the simulation of sensor installation positions on various vehicles, resulting in high versatility and reducing testing costs for different vehicle models. This is one of the innovative aspects of this application embodiment.

[0028] 2. In this embodiment, the position and angle of the ultrasonic sensor are adjusted by the cooperation of the three-axis guide rail and the three-dimensional universal joint. The platform has a small footprint, simple structure, and simple method of adjusting position and angle, which helps to reduce the difficulty of operation. This is one of the innovations of this application embodiment.

[0029] 3. In this embodiment, by setting scale information on the guide rail to indicate the position dimensions, the position information of the ultrasonic sensor can be easily determined; and by setting concentric scales on the bracket and using arrows to point to the scale lines, the angle value of the ultrasonic sensor installation state can be easily determined. Moreover, the platform has high installation position and angle accuracy, and the test results are accurate and reliable, which is one of the innovations of this application embodiment. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 A schematic diagram of a test platform for the detection range of an ultrasonic sensor provided in an embodiment of this application;

[0032] Figure 2 This is a schematic diagram of a three-axis guide rail provided in an embodiment of this application;

[0033] Figure 3 A schematic diagram of a three-dimensional universal joint provided in an embodiment of this application;

[0034] Figure 4 A schematic diagram of the structure of the base provided in an embodiment of this application;

[0035] Figure 5 A schematic diagram of the structure of a simulation board provided in an embodiment of this application;

[0036] Figure 6 This is a schematic diagram of an ultrasonic sensor installation provided in an embodiment of this application. Detailed Implementation

[0037] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0038] It should be noted that the terms "comprising" and "having," and any variations thereof, in the embodiments and accompanying drawings of this application are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the steps or units listed, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or devices.

[0039] This application discloses an ultrasonic sensor detection range testing platform. Detailed descriptions follow.

[0040] Figure 1 This is a schematic diagram of a test platform for the detection range of an ultrasonic sensor provided in an embodiment of this application. Figure 2 This is a schematic diagram of a three-axis guide rail provided in an embodiment of this application. Figure 3 Please refer to the schematic diagram of a three-dimensional gimbal provided in the embodiments of this application. Figures 1-3 The ultrasonic sensor detection range testing platform provided in this application embodiment includes: radar cloth 1, three-axis guide rail 20, three-dimensional universal joint 3, and simulation board 4;

[0041] The radar cloth 1 is located on one side of the three-axis guide rail 20. The radar cloth 1 is equipped with a checkerboard pattern arranged in an array. The coordinates of the detection points are determined by the checkerboard pattern.

[0042] The three-dimensional universal joint 3 includes a first bracket 31, a second bracket 32, and a third bracket 33, with the second bracket 32 ​​located between the first bracket 31 and the third bracket 33; the three-dimensional universal joint 3 is mounted on the three-axis guide rail 20 via the first bracket 31; the simulation board 4 is fixed to the third bracket 33, and the ultrasonic sensor is mounted on the simulation board 4; the ultrasonic sensor moves along the X-axis, Y-axis, and Z-axis directions with the three-axis guide rail 20;

[0043] The first bracket 31 and the second bracket 32 ​​are rotatably connected via the first rotating shaft 312, and the third bracket 33 and the second bracket 32 ​​are rotatably connected via the second rotating shaft 332; the first rotating shaft 312 and the second rotating shaft 332 are arranged perpendicularly; when the second bracket 32 ​​rotates along the first rotating shaft 312, the pitch angle of the ultrasonic sensor changes; when the third bracket 33 rotates along the second rotating shaft 332, the horizontal angle of the ultrasonic sensor changes.

[0044] Each of the three-axis guide rails 20 is equipped with scale information;

[0045] The first support 31 and the third support 33 are provided with concentric scales. The arrow on the first rotating shaft 312 points to the concentric scale 311 on the first support 31, and the arrow on the second rotating shaft 332 points to the concentric scale 331 on the third support 33.

[0046] For details, please refer to Figures 1-3 The ultrasonic sensor detection range testing platform provided in this application includes a radar cloth 1, a three-axis guide rail 20, a three-dimensional universal joint 3, and a simulation plate 4. The three-axis guide rail 20, the three-dimensional universal joint 3, and the simulation plate 4 are assembled to form a test bench 2. In this application, the radar cloth 1 is placed on one side of the test bench 2, and an array of checkerboard patterns is set on the radar cloth 1. The size of the checkerboard patterns can be, for example, small squares of 0.5m * 0.5m. Thus, the radar cloth 1 can be used for calibration on a real vehicle. During calibration, the coordinates of the detection points are determined using the checkerboard patterns on the radar cloth 1, thereby calibrating the actual detection range of the ultrasonic sensor.

[0047] In the test bench 2 provided in this application, the three-dimensional universal joint 3 includes a first support 31, a second support 32, and a third support 33, with the second support 32 positioned between the first support 31 and the third support 33. The three-axis guide rail 20 refers to guide rails arranged along three axes, such as the X-axis, Y-axis, and Z-axis, including mutually perpendicular Y-axis guide rail 21, X-axis guide rail 22, and Z-axis guide rail 23. The Y-axis guide rail 21 simulates the Y-axis coordinate information of the actual vehicle, the X-axis guide rail 22 simulates the X-axis coordinate information of the actual vehicle, and the Z-axis guide rail 23 simulates the Z-axis coordinate information of the actual vehicle.

[0048] In actual measurement, the coordinates of the ultrasonic sensor on each axis need to be continuously adjusted according to the specific position of the vehicle. Therefore, in this application, the X-axis guide rail 22 is mounted on the Y-axis guide rail 21, allowing the X-axis guide rail 22 to move on the Y-axis guide rail 21; the Z-axis guide rail 23 is mounted on the X-axis guide rail 22, allowing the Z-axis guide rail 23 to move on the X-axis guide rail 22. To achieve movement in the Z-axis direction, the three-dimensional universal joint 3 is mounted on the Z-axis guide rail 23 via the first bracket 31, allowing the three-dimensional universal joint 3 to move on the Z-axis guide rail 23. In this way, the three-dimensional universal joint 3 can move in the X-axis, Y-axis, and Z-axis directions.

[0049] Based on this, in order to realize the movement of the ultrasonic sensor in the X-axis, Y-axis and Z-axis directions, this application fixes the simulation plate 4 on the third bracket 33 of the three-dimensional universal joint 3 and installs the ultrasonic sensor on the simulation plate 4. In this way, when the three-dimensional universal joint 3 moves along the X-axis, Y-axis and Z-axis directions, the ultrasonic sensor can be driven to move along the X-axis, Y-axis and Z-axis directions through the simulation plate 4.

[0050] When the ultrasonic sensor moves along the X, Y, and Z axes, to facilitate the marking of its position and dimensions, this application provides scale information on each rail of the triaxial guide rail 20. Thus, when the guide rail or the three-dimensional universal joint 3 moves, the position of the ultrasonic sensor can be easily determined using the scale information on the rail. The scale information can be set here, for example, by attaching scale tape.

[0051] In this application, during the testing of the detection range of the ultrasonic sensor, when the position information of the actual vehicle changes, in addition to adjusting the coordinates of the ultrasonic sensor in the X, Y, and Z axes, it is also necessary to adjust the horizontal and pitch angles of the ultrasonic sensor according to the specific position information of the actual vehicle. Therefore, in this application, the first bracket 31 and the second bracket 32 ​​in the three-dimensional universal joint 3 are rotatably connected by the first rotating shaft 312, and the third bracket 33 and the second bracket 32 ​​are rotatably connected by the second rotating shaft 332, wherein the first rotating shaft 312 and the second rotating shaft 332 are arranged perpendicularly. (Reference) Figure 3 When it is necessary to adjust the pitch angle of the ultrasonic sensor, the second bracket 32 ​​is controlled to rotate along the first rotation axis 312, which will change the pitch angle of the ultrasonic sensor; and when it is necessary to adjust the horizontal angle of the ultrasonic sensor, the third bracket 33 is controlled to rotate along the second rotation axis 332, which will change the horizontal angle of the ultrasonic sensor.

[0052] Similarly, when the ultrasonic sensor rotates along the pitch or horizontal angle, to facilitate the marking of the horizontal and pitch angles, this application provides concentric scales on the first support 31 and the third support 33. An arrow on the first rotation axis 312 points to the concentric scale 311 on the first support 31, and an arrow on the second rotation axis 332 points to the concentric scale 331 on the third support 33. Here, the concentric scales on the first support 31 and the third support 33 are equally spaced. Thus, when the second support 32 rotates along the first rotation axis 312, the pitch angle information of the ultrasonic sensor can be easily determined by the position of the arrow on the first rotation axis 312 pointing to the concentric scale 311 on the first support 31. Similarly, when the third support 33 rotates along the second rotation axis 332, the horizontal angle information of the ultrasonic sensor can be easily determined by the position of the arrow on the second rotation axis 332 pointing to the concentric scale 331 on the third support 33.

[0053] The ultrasonic sensor detection range testing platform provided in this application, through the cooperation of the three-axis guide rail 20 and the three-dimensional universal joint 3, can not only realize the coordinate adjustment of the ultrasonic sensor in the X-axis, Y-axis, and Z-axis directions, but also the adjustment of the horizontal and pitch angles of the ultrasonic sensor. This allows it to simulate the sensor installation positions of various vehicles, offering high versatility and reducing testing costs for different vehicle models. Furthermore, the cooperation of the three-axis guide rail 20 and the three-dimensional universal joint 3 enables the adjustment of the ultrasonic sensor's position and angle. This platform has a small footprint, a simple structure, and a simple method for adjusting the position and angle, which helps to reduce operational difficulty.

[0054] This application facilitates the determination of the ultrasonic sensor's position by setting scale information on the guide rail to indicate the position dimensions; and by setting concentric scales on the bracket and using arrows to point to the scale lines, it facilitates the determination of the ultrasonic sensor's installation angle value. Furthermore, this platform boasts high accuracy in installation position and angle, resulting in accurate and reliable test results.

[0055] Optionally, Figure 4 Please refer to the schematic diagram of a base provided in an embodiment of this application. Figure 1 and Figure 4 The ultrasonic sensor detection range testing platform provided in this embodiment also includes a base 5, and a three-axis guide rail 20 is fixed on the base 5; the base 5 is a block structure or a roller or a universal wheel.

[0056] For details, please refer to Figure 1 and Figure 4 The ultrasonic sensor detection range testing platform provided in this embodiment also includes a base 5, and a three-axis guide rail 20 is fixed on the base 5, specifically, a Y-axis guide rail 21 is fixed on the base 5. When fixing the three-axis guide rail 20, the center of the base 5 is taken as the origin, that is, the bottom surface of the three-axis guide rail 20 is Z0.

[0057] In this application, the base 5 can be a block structure, a roller, or a caster wheel. Figure 2 In the embodiment shown, the base 5 is a block structure, such as a cube or cuboid. In order to maintain the stability of the three-axis guide rail 20, the base 5 is set to multiple units, such as 4 or 6. Figure 4 In the illustrated embodiment, the base 5 is a roller or a caster wheel, allowing the test platform to move in all directions for dynamic testing. Furthermore, when the base 5 is a roller or caster wheel, it is equipped with a locking structure to lock the base 5 after the ultrasonic sensor determines its position. The specific type of base 5 used can be determined according to actual needs, and this application does not impose any specific limitations on this.

[0058] Alternatively, please refer to Figure 2The Y-guide rail 21 includes a first Y-guide rail 211 and a second Y-guide rail 212, which are parallel to each other. One end of the X-guide rail 22 is mounted on the first Y-guide rail 211, and the other end is mounted on the second Y-guide rail 212. The X-guide rail 22, the Z-guide rail 23, and the ultrasonic sensor are in one-to-one correspondence.

[0059] For details, please refer to Figure 2 Since the X-axis guide rail 22 can move along the Y-axis guide rail 21, in order to maintain the stability of the triaxial guide rail 20, this embodiment sets two parallel Y-axis guide rails 21, namely the first Y-axis guide rail 211 and the second Y-axis guide rail 212, so that one end of the X-axis guide rail 22 is installed on the first Y-axis guide rail 211 and the other end is installed on the second Y-axis guide rail 212. In addition, in order to meet the testing requirements, this embodiment sets the X-axis guide rail 22, Z-axis guide rail 23, three-dimensional universal joint 3 and ultrasonic sensor in a one-to-one correspondence according to the number of ultrasonic sensors required for testing. That is, one Z-axis guide rail 23 is installed on one X-axis guide rail 22, and one three-dimensional universal joint 3 and ultrasonic sensor are installed on one Z-axis guide rail 23.

[0060] Alternatively, please refer to Figure 2 and Figure 3 The first bracket 31 includes a first bottom 313 and two first side portions 314. The first bottom 313 is mounted on the Z-guide rail 23 and can move along the extension direction of the Z-guide rail 23. The two first side portions 314 are fixed to opposite ends of the first bottom 313 away from the Z-guide rail 23. A first connecting hole (corresponding to the position of the first rotating shaft 312) is provided on the first side portion 314. The second bracket 32 ​​includes a second bottom 321 and two second side portions 322. The second side portions 322 are fixed to opposite ends of the second bottom 321 near the first bracket 31. A second connecting hole (corresponding to the position of the first rotating shaft 312) is provided on the second side portion 322. The first rotating shaft 312 passes through the first connecting hole and the second connecting hole to rotatably connect the first bracket 31 and the second bracket 32. The second support 32 also includes two third side portions 323, which are fixed to the opposite ends of the second bottom 321 away from the first support 31, and are perpendicular to the second side portion 322. A third connecting hole (corresponding to the position of the second rotating shaft 332) is provided on the third side portion 323. The third support 33 includes a third bottom 333 and two fourth side portions 334, which are fixed to the opposite ends of the third bottom 333 near the second support 32, and are provided with a fourth connecting hole (corresponding to the position of the second rotating shaft 332). The second rotating shaft 332 passes through the third connecting hole and the fourth connecting hole to rotatably connect the second support 32 and the third support 33.

[0061] For details, please refer to Figure 2 and Figure 3 In this embodiment, the first bracket 31 includes a first bottom 313 and two first side portions 314 perpendicular to the first bottom 313. The first bracket 31 is mounted on the Z-guide rail 23 via the first bottom 313, and the first bottom 313 is movable along the extension direction of the Z-guide rail 23. The two first side portions 314 are respectively fixed at opposite ends on the side of the first bottom 313 away from the Z-guide rail 23. The second bracket 32 ​​includes a second bottom 321 and two second side portions 322 perpendicular to the second bottom 321. The second side portions 322 are fixed at opposite ends on the side of the second bottom 321 near the first bracket 31. The two first side portions 314 are provided with corresponding first connecting holes, and the second side portions 322 are provided with corresponding second connecting holes. The first rotating shaft 312 passes through the first connecting holes and the second connecting holes to rotatably connect the first bracket 31 and the second bracket 32. When it is necessary to adjust the pitch angle of the ultrasonic sensor, controlling the second bracket 32 ​​to rotate along the first rotating shaft 312 will change the pitch angle of the ultrasonic sensor.

[0062] The second bracket 32 ​​also includes two third side portions 323, which are fixed to opposite ends of the second bottom 321 on the side away from the first bracket 31, and are perpendicular to both the second bottom 321 and the second side portions 322. The third bracket 33 includes a third bottom 333 and two fourth side portions 334 perpendicular to the third bottom 333, which are fixed to opposite ends of the third bottom 333 on the side closer to the second bracket 32. Third connecting holes are provided at opposite positions of the two third side portions 323, and fourth connecting holes are provided at opposite positions of the two fourth side portions 334. The second rotating shaft 332 passes through the third and fourth connecting holes and rotatably connects the second bracket 32 ​​and the third bracket 33. When it is necessary to adjust the horizontal angle of the ultrasonic sensor, controlling the third bracket 33 to rotate along the second rotating shaft 332 will change the horizontal angle of the ultrasonic sensor.

[0063] Alternatively, please refer to Figure 2 A first handle (not shown in the figure) is provided on the X-guide rail 22 for fixing the X-guide rail 22; a second handle (not shown in the figure) is provided on the Z-guide rail 23 for fixing the Z-guide rail 23. Preferably, please refer to... Figure 3 A third handle (not shown in the figure) is provided on the first bracket 31, which is used to fix the first bracket 31.

[0064] For details, please refer to Figure 2 and Figure 3Once the position of the ultrasonic sensor is determined, the triaxial guide rail 20 and the three-dimensional universal joint 3 need to be fixed to prevent the ultrasonic sensor from shifting due to movement of the guide rail or the three-dimensional universal joint 3. Therefore, in this embodiment, a first handle is provided on the X-axis guide rail 22 and a second handle is provided on the Z-axis guide rail 23. After the position of the ultrasonic sensor is determined, the X-axis guide rail 22 is fixed by the first handle and the Z-axis guide rail 23 is fixed by the second handle to prevent the ultrasonic sensor from shifting in the Y-axis and X-axis directions.

[0065] Meanwhile, a third handle is also provided on the first bracket 31. After the position of the ultrasonic sensor is determined, the three-dimensional universal joint 3 is fixed by the third handle to prevent the three-dimensional universal joint 3 from moving on the Z-guide rail 23, thereby preventing the ultrasonic sensor from shifting in the Z-axis direction.

[0066] Optionally, Figure 5 This is a schematic diagram of a simulated plate opening provided in an embodiment of this application. Figure 6 Please refer to the schematic diagram of an ultrasonic sensor installation provided in the embodiments of this application. Figure 5 and Figure 6 An opening 41 is provided on the simulation board 4, and the ultrasonic sensor 6 is installed in the opening 41.

[0067] For details, please refer to Figure 5 and Figure 6 In this embodiment, an opening 41 is provided on the simulation plate 4, and the ultrasonic sensor 6 is installed in the opening 41 to fix the ultrasonic sensor 6, so that the ultrasonic sensor 6 can move along the X-axis, Y-axis and Z-axis with the simulation plate 4.

[0068] It should be noted that, Figure 5 The opening 41 on the simulation board 4 is provided merely for illustrative purposes to accommodate the ultrasonic sensor 6, and is not intended to limit the shape, size, or shape and size of the opening on the simulation board 4. In actual use, the shape of the opening can be adapted to the shape and size of the ultrasonic sensor. Furthermore, the ultrasonic sensor can also be fixed to the simulation board 4 in other ways, and this application does not impose specific limitations on this.

[0069] Those skilled in the art will understand that the accompanying drawings are merely schematic diagrams of one embodiment, and the modules or processes shown in the drawings are not necessarily essential for implementing this application.

[0070] Those skilled in the art will understand that the modules in the apparatus of the embodiments can be distributed in the apparatus of the embodiments as described in the embodiments, or they can be located in one or more devices different from this embodiment with corresponding changes. The modules of the above embodiments can be combined into one module, or they can be further divided into multiple sub-modules.

[0071] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. An ultrasonic sensor detection range test platform, characterized by, The utility model relates to a kind of test platform of ultrasonic sensor detection range, including: Radar cloth, three-axis guide rail, three-dimensional universal joint, analog board; The radar cloth is located in the side of the three-axis guide rail, and the chessboard is arranged in array on the radar cloth, and the coordinates of detection point are demarcated through the chessboard; The three-dimensional universal joint includes first support, second support and third support, and the second support is located between the first support and the third support;The three-dimensional universal joint is installed on the three-axis guide rail by the first support;The analog board is fixed to the third support, and ultrasonic sensor is installed on the analog board;The ultrasonic sensor moves along with the three-axis guide rail along X axis direction, Y axis direction and Z axis direction; The first support and the second support are rotatably connected by first rotating shaft, and the third support and the second support are rotatably connected by second rotating shaft;The first rotating shaft and the second rotating shaft are vertically arranged;When the second support rotates along the first rotating shaft, the pitch angle of the ultrasonic sensor changes;When the third support rotates along the second rotating shaft, the horizontal angle of the ultrasonic sensor changes; Each guide rail of the three-axis guide rail is provided with scale information; The first support and the third support are provided with concentric scales, and the arrow on the first rotating shaft points to the concentric scale on the first support, and the arrow on the second rotating shaft points to the concentric scale on the third support.

2. The ultrasonic sensor detection range test platform of claim 1, wherein, It also includes a base, and the three-axis guide rail is fixed on the base; The base is block structure or roller or universal wheel.

3. The ultrasonic sensor detection range test platform of claim 2, wherein: The three-axis guide rail includes Y-direction guide rail, X-direction guide rail and Z-direction guide rail perpendicular to each other, the Y-direction guide rail is fixed on the base, the X-direction guide rail is installed on the side of the Y-direction guide rail away from the base, and the X-direction guide rail can move along the extension direction of the Y-direction guide rail, and the Z-direction guide rail is installed on the side of the X-direction guide rail away from the base, and the Z-direction guide rail can move along the extension direction of the X-direction guide rail.

4. The ultrasonic sensor detection range test platform of claim 3, wherein: The Y-direction guide rail includes first Y-direction guide rail and second Y-direction guide rail, and the first Y-direction guide rail and the second Y-direction guide rail are parallel to each other;One end of the X-direction guide rail is installed on the first Y-direction guide rail, and the other end is installed on the second Y-direction guide rail.

5. The ultrasonic sensor detection range test platform of claim 4, wherein, The X-direction guide rail, the Z-direction guide rail and the ultrasonic sensor correspond one by one.

6. The ultrasonic sensor detection range test platform of claim 3, wherein: The X-direction guide rail is provided with a first handle, and the first handle is used for fixing the X-direction guide rail; The Z-direction guide rail is provided with a second handle, and the second handle is used for fixing the Z-direction guide rail.

7. The ultrasonic sensor detection range test platform of claim 3, wherein: The first support comprises a first bottom and two first sides, the first bottom is installed on the Z-direction guide rail and can move along the extension direction of the Z-direction guide rail, and the two first sides are fixed to opposite ends of the first bottom away from the Z-direction guide rail; the first side is provided with a first communication hole; The second support comprises a second bottom and two second sides, the second sides are fixed to opposite ends of the second bottom close to the first support, and the second side is provided with a second communication hole; The first rotating shaft is rotatably connected to the first support and the second support through the first communication hole and the second communication hole.

8. The ultrasonic sensor detection range test platform according to claim 7, wherein, The first support is provided with a third handle, and the third handle is used for fixing the first support.

9. The ultrasonic sensor detection range test platform according to claim 7, wherein, The second support further comprises two third sides, the third sides are fixed to opposite ends of the second bottom away from the first support, and the third side is perpendicular to the second side; the third side is provided with a third communication hole; The third support comprises a third bottom and two fourth sides, the fourth sides are fixed to opposite ends of the third bottom close to the second support, and the fourth side is provided with a fourth communication hole; The second rotating shaft is rotatably connected to the second support and the third support through the third communication hole and the fourth communication hole.

10. The ultrasonic sensor detection range test platform of claim 1, wherein, The simulation board is provided with an opening, and the ultrasonic sensor is installed in the opening.

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