CN220518216U - Sensor assembly of unmanned automobile - Google Patents

Abstract

The utility model relates to the field of sensors, in particular to a sensor assembly of an unmanned automobile, which comprises a mounting plate, a controller, a high-speed bus interface and a sensor interface, wherein the controller is arranged at the upper end of the mounting plate, the sensor interfaces are arranged at the front end and the rear end of the controller, the laser radar, a high-definition camera and an ultrasonic sensor are sequentially connected and arranged at the rear end of the controller from left to right, the radar, the infrared sensor and an inertial measurement unit are sequentially connected and arranged at the front end of the sensor interface from left to right, the high-speed bus interface is arranged at the left side of the controller, and the power interface is arranged at the right side of the controller.

Description

Sensor assembly of unmanned automobile

Technical Field

The utility model relates to the technical field of sensors, in particular to a sensor assembly of an unmanned automobile.

Background

In the past few decades, with the continuous development of technology, unmanned automobiles have become an important research direction for the automobile industry. The potential of unmanned vehicles is to provide greater safety, efficiency and convenience, and is expected to play an important role in future urban traffic systems. Current unmanned vehicle systems are typically comprised of a plurality of individual sensors that are responsible for sensing the environment surrounding the vehicle and a controller that is responsible for controlling the behavior of the vehicle based on data provided by the sensors.

In the related art, sensor components of unmanned vehicles include, but are not limited to, laser radar (LIDAR), cameras, ultrasonic sensors, and radar. However, the existing sensor assembly has some limitations such as high cost, heavy size, high power consumption, data processing and transmission delay, and for this reason, we propose a sensor assembly for an unmanned vehicle.

The above information disclosed in this background section is only for the understanding of the background of the inventive concept and, therefore, it may contain information that does not form the prior art.

Disclosure of Invention

It is an object of the present utility model to provide a sensor assembly for an unmanned vehicle that addresses the above-mentioned background art, including but not limited to laser radar (LIDAR), cameras, ultrasonic sensors and radar. However, existing sensor assemblies suffer from limitations such as high cost, heavy size, high power consumption, and data processing and transmission delays.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a sensor subassembly of unmanned vehicles, includes mounting panel, controller, high-speed bus interface and sensor interface, the upper end central authorities of mounting panel put and installs and be provided with the controller, the front and back end symmetry installation of controller is provided with six sensor interfaces of group, the rear end the sensor interface is from left to right to connect gradually and is provided with laser radar, high definition digtal camera and ultrasonic sensor, the front end the sensor interface is from left to right to connect gradually and is provided with radar, infrared sensor and inertial measurement unit, the left side installation of controller is provided with high-speed bus interface, the right side installation of controller is provided with power source, four corner symmetry installations of mounting panel are provided with the mounting hole, the upper and lower end symmetry installation of mounting panel is provided with multiunit shock attenuation buffer block, the shock attenuation buffer block is elastic rubber buffer block.

In some embodiments, the controller is internally provided with a data acquisition module, and the laser radar, the high-definition camera, the ultrasonic sensor, the radar, the infrared sensor and the inertial measurement unit are electrically connected with the data acquisition module through a sensor interface.

In some embodiments, the right side of the data acquisition module is electrically connected to the data communication module by a transmission wire, and the right side of the data communication module is electrically connected to the data fusion module by a transmission wire.

In some embodiments, the upper end of the data fusion module is electrically connected to a memory module via a transmission wire, the memory module including a random access memory unit and a persistent memory unit.

In some embodiments, the right side of the data fusion module is electrically connected to the central processing unit through a transmission wire, and the upper end of the central processing unit is electrically connected to the display module through a transmission wire.

In some embodiments, the lower end of the central processing unit is electrically connected to the instruction output module through a transmission wire, and the instruction output module is electrically connected to the high-speed bus through a high-speed bus interface.

The beneficial effects of the utility model are as follows:

the sensor component integrates various sensors, such as a laser radar, a camera, an ultrasonic sensor, a radar, an infrared sensor and an inertial measurement unit, can realize the omnibearing sensing of the environment, improves the safety and the intelligence of an unmanned automobile, adopts a data fusion module, can fuse the original data collected by each group of sensors, generates more accurate and reliable environment sensing results, reduces the influence of data redundancy and noise, adopts a high-speed bus interface, can realize the quick communication with other components of the automobile and the output of control signals, improves the response speed and the execution efficiency of the unmanned automobile, adopts a mounting plate and a damping buffer block, can ensure the stable installation and effective damping of the sensor component, and prevents the sensor damage or data distortion caused by vibration or collision.

Drawings

FIG. 1 is a schematic top view of a sensor assembly of an unmanned vehicle according to the present utility model;

fig. 2 is a block diagram showing the connection of components of a sensor assembly of an unmanned vehicle according to the present utility model.

In the figure: the device comprises a damping buffer block 1, a mounting plate 2, a sensor interface 3, a power interface 4, a controller 5, a high-speed bus interface 6, a mounting hole 7, a laser radar 8, a high-definition camera 9, a data acquisition module 10, an ultrasonic sensor 11, a storage module 12, a display module 13, a central processing unit 14, an instruction output module 15, a data fusion module 16, a data communication module 17, an inertial measurement unit 18, an infrared sensor 19 and a radar 20.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

It should be noted that, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an azimuth or a positional relationship based on that shown in the drawings, or that the inventive product is commonly put in place when used, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 and 2, a sensor assembly of an unmanned automobile comprises a mounting plate 2, a controller 5, a high-speed bus interface 6 and a sensor interface 3, wherein the controller 5 is arranged at the central position of the upper end of the mounting plate 2, six groups of sensor interfaces 3 are symmetrically arranged at the front end and the rear end of the controller 5, a laser radar 8, a high-definition camera 9 and an ultrasonic sensor 11 are sequentially connected with the rear end of the sensor interface 3 from left to right, a radar 20, an infrared sensor 19 and an inertia measuring unit 18 are sequentially connected with the sensor interface 3 from left to right, the high-speed bus interface 6 is arranged at the left side of the controller 5, a power interface 4 is arranged at the right side of the controller 5, mounting holes 7 are symmetrically arranged at the four corners of the mounting plate 2, a plurality of groups of shock-absorbing buffer blocks 1 are symmetrically arranged at the upper end and the lower end of the mounting plate 2, and the shock-absorbing buffer blocks 1 are elastic rubber buffer blocks.

In the embodiment of the utility model, as shown in fig. 1 and 2, a data acquisition module 10 is installed in the controller 5, a laser radar 8, a high-definition camera 9, an ultrasonic sensor 11, a radar 20, an infrared sensor 19 and an inertial measurement unit 18 are electrically connected with the data acquisition module 10 through a sensor interface 3, the right side of the data acquisition module 10 is electrically connected with a data communication module 17 through a transmission wire, the right side of the data communication module 17 is electrically connected with a data fusion module 16 through a transmission wire, and the data acquisition module 10 is used for collecting environmental information sensed by each group of sensors.

In the embodiment of the present utility model, as shown in fig. 1 and 2, the upper end of the data fusion module 16 is electrically connected with the storage module 12 through a transmission wire, the storage module 12 includes a random access storage unit and a persistent storage unit, the right side of the data fusion module 16 is electrically connected with the central processing unit 14 through a transmission wire, the upper end of the central processing unit 14 is electrically connected with the display module 13 through a transmission wire, the data fusion module 16 implements the calculation and processing logic required by the data fusion algorithm, and is implemented by a hardware circuit, a special chip or a software algorithm, the data fusion module 16 is responsible for receiving the original data, executing the data fusion algorithm, and generating the fused environment sensing result.

In the embodiment of the utility model, as shown in fig. 1 and 2, the lower end of the central processing unit 14 is electrically connected with the instruction output module 15 through a transmission wire, the instruction output module 15 is electrically connected with a high-speed bus through the high-speed bus interface 6, and is connected with other parts of the vehicle, such as a battery, a motor, a brake, a steering and the like, so that the rapid transmission of data and the output of control signals are realized.

In this embodiment, the sensor assembly fixes the controller 5, the high-speed bus interface 6 and the six groups of sensor interfaces 3 together through the mounting board 2, and the controller 5 includes functional modules such as a data acquisition module 10, a data communication module 17, a data fusion module 16, a storage module 12, a central processing unit 14, a display module 13, and an instruction output module 15. When the unmanned automobile runs, the sensors such as the laser radar 8, the camera 9, the ultrasonic sensor 11, the radar 20, the infrared sensor 19 and the inertia measurement unit 18 are electrically connected with the data acquisition module 10 through the sensor interface 3, and the data acquisition module 10 is responsible for collecting environmental information sensed by each group of sensors and sending the environmental information to the data fusion module 16 through the data communication module 17. The data fusion module 16 is responsible for performing fusion processing on the received original data, executing a data fusion algorithm, generating a fused environment sensing result, storing the fused environment sensing result in the storage module 12, and simultaneously sending the fused environment sensing result to the display module 13 and the instruction output module 15 through the central processing unit 14. The display module 13 is responsible for displaying the environmental awareness results in the form of graphics or text on a screen for viewing by the driver or passenger. The instruction output module 15 is responsible for generating corresponding control signals according to the environmental sensing result, is electrically connected with the high-speed bus through the high-speed bus interface 6, and is connected with other parts of the vehicle, such as a battery, a motor, a brake, steering and the like, so as to control the unmanned automobile.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a sensor subassembly of unmanned vehicles, includes mounting panel (2), controller (5), high-speed bus interface (6) and sensor interface (3), its characterized in that: the intelligent shock absorber is characterized in that a controller (5) is arranged at the central position of the upper end of the mounting plate (2), six groups of sensor interfaces (3) are symmetrically arranged at the front end and the rear end of the controller (5), the sensor interfaces (3) are sequentially connected and provided with a laser radar (8), a high-definition camera (9) and an ultrasonic sensor (11) from left to right, the radar (20), an infrared sensor (19) and an inertia measuring unit (18) are sequentially connected and provided with the sensor interfaces (3) from left to right, a high-speed bus interface (6) is arranged at the left side of the controller (5), a power supply interface (4) is arranged at the right side of the controller (5), mounting holes (7) are symmetrically arranged at the four corners of the mounting plate (2), and a plurality of groups of shock absorber blocks (1) are symmetrically arranged at the upper end and the lower end of the mounting plate (2), and the shock absorber blocks (1) are elastic rubber buffer blocks.

2. The sensor assembly of the unmanned vehicle according to claim 1, wherein the controller (5) is internally provided with a data acquisition module (10), and the laser radar (8), the high-definition camera (9), the ultrasonic sensor (11), the radar (20), the infrared sensor (19) and the inertial measurement unit (18) are electrically connected with the data acquisition module (10) through the sensor interface (3).

3. A sensor assembly of an unmanned vehicle according to claim 2, wherein the right side of the data acquisition module (10) is electrically connected to the data communication module (17) by means of a transmission line, and the right side of the data communication module (17) is electrically connected to the data fusion module (16) by means of a transmission line.

4. A sensor assembly for an unmanned vehicle according to claim 3, wherein the upper end of the data fusion module (16) is electrically connected to the memory module (12) by means of a transmission line, the memory module (12) comprising a random access memory unit and a persistent memory unit.

5. A sensor assembly for an unmanned vehicle according to claim 3, wherein the right side of the data fusion module (16) is electrically connected to the central processing unit (14) by means of a transmission line, and the upper end of the central processing unit (14) is electrically connected to the display module (13) by means of a transmission line.

6. The sensor assembly of an unmanned vehicle according to claim 5, wherein the lower end of the central processing unit (14) is electrically connected to the command output module (15) via a transmission line, the command output module (15) being electrically connected to the high-speed bus via the high-speed bus interface (6).