CN215494115U

CN215494115U - Novel ultrasonic radar simulator and simulation system

Info

Publication number: CN215494115U
Application number: CN202121827819.7U
Authority: CN
Inventors: 陈达涛
Original assignee: Huizhou Desay SV Intelligent Transport Technology Research Institute Co Ltd
Current assignee: Huizhou Desay SV Intelligent Transport Technology Research Institute Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-11
Anticipated expiration: 2031-08-05

Abstract

The utility model belongs to the technical field of automobile auxiliary driving, and particularly relates to a novel ultrasonic radar simulator which comprises a simulator shell, a control module arranged in the simulator shell, and a connector module connected with the control module and arranged on the simulator shell, wherein the connector module is used for connecting the simulator with external equipment and is compatible with communication interfaces of ultrasonic radar sensors of different versions. The utility model provides a novel ultrasonic radar simulator, which is compatible with the connection of various types of communication protocols, meets the connection of ultrasonic radar sensors of different versions and improves the universality of the simulator; but also can effectively prevent signal interference among different connecting modules and ensure the stability of the connection of the simulator and different connecting tools. The utility model also provides a simulation system formed by utilizing the ultrasonic radar simulator, which can reduce the repeated test work and greatly improve the test development efficiency when the hardware-in-loop test based on the ultrasonic radar is carried out.

Description

Novel ultrasonic radar simulator and simulation system

Technical Field

The utility model belongs to the technical field of automobile auxiliary driving, and particularly relates to a novel ultrasonic radar simulator and a simulation system.

Background

The ultrasonic radar simulator is a device for autonomously simulating the generation of input and output signals of the ultrasonic radar, is mainly applied to a hardware-in-loop test system, improves the test efficiency of the ultrasonic radar, and reduces the test cost of the ultrasonic radar.

In the prior art, in order to avoid mutual interference of different communication signals, the connection interface of the ultrasonic radar simulator is generally set to be a structure which can only realize connection of a single type communication protocol, and the ultrasonic radar on the market enters the development of a new generation, so that the performance and the signal communication speed are greatly improved, therefore, the interface tool of the ultrasonic radar simulator cannot meet the connection requirements of different versions of the existing ultrasonic radar, and the universality of the ultrasonic radar simulator is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a novel ultrasonic radar simulator and a simulation system.

The technical effect to be achieved by the utility model is realized by the following technical scheme:

the novel ultrasonic radar simulator comprises a simulator shell, a sensor and a controller, wherein the simulator shell is used for mounting, fixing, protecting, preventing water and dust of electrical components in the simulator; the control module is arranged in the simulator shell and used for autonomously simulating input and output electric signals of the ultrasonic radar; and the connector module is connected with the control module, arranged on the simulator shell and used for connecting the simulator with external equipment and being compatible with communication interfaces of ultrasonic radar sensors of different versions.

Further, the control module group is including being used for realizing that electronic components supports and the PCB board of electrical connection, and locate on the PCB board, be used for realizing the chip module of ultrasonic radar input/output signal of telecommunication simulation.

Further, the chip module comprises a CPU, and a sensor chip, a CAN chip, a DSI3 chip and a power supply chip which are respectively connected with the CPU; the CPU is used for realizing the general control of a simulator program, the sensor chip is used for realizing the simulation of input and output electric signals of the ultrasonic radar, the CAN chip is used for realizing the control of a CAN bus, the DSI3 chip is used for realizing the control of a DSI3 communication protocol, and the power supply chip is used for realizing the electrical control of a circuit.

Further, the connector module comprises at least two types of connector modules so as to be compatible with communication interfaces of different versions of ultrasonic radar sensors.

Further, the connector module comprises a CAN communication connector module for realizing electrical connection and CAN bus connection, a DSI3 communication connector module for realizing DSI3 communication protocol connection, a GPIO interface connector module for realizing data input and output, and a debugging connector module for realizing program debugging; the CAN communication connector module and the GPIO interface connector module are arranged on one side edge of the PCB, the DSI3 communication connector module is arranged on the side edge of the PCB opposite to the CAN communication connector module and the GPIO interface connector module, and the debugging connector module is arranged on the side edge of the PCB adjacent to the CAN communication connector module and the GPIO interface connector module.

Furthermore, the simulator also comprises a control switch which is connected with the control module and arranged on the simulator shell and used for realizing the opening and closing of the simulator.

Further, still include with the control module group be connected, locate the simulator shell outside for realize the pilot lamp module that simulator running state reminded.

Further, the simulator shell comprises a simulator top cover and a simulator bottom shell which is assembled with the simulator top cover into a whole through screws; and the simulator top cover and the simulator bottom shell are both of hollow cavity structures, and when the simulator top cover and the simulator bottom shell are assembled into a whole, a simulator accommodating cavity is formed inside.

Further, the simulator bottom shell comprises a bottom shell body and module supporting columns which are arranged at the corners inside the bottom shell body and used for heightening and supporting the control module; the simulator top cap includes the top cap body, locates on the top cap body, the connector that is used for adaptation connector module installation dodges the notch, locates on the top cap body, be used for the switch assembly notch of adaptation control switch installation, and locate on the top cap body, be used for the pilot lamp assembly notch of adaptation pilot lamp module installation.

A novel ultrasonic radar simulation system comprises the novel ultrasonic radar simulator.

In summary, the novel ultrasonic radar simulator and simulation system of the utility model have at least the following benefits:

1. the novel ultrasonic radar simulator disclosed by the utility model can be compatible with the connection of various types of communication protocols, and meets the connection of ultrasonic radar sensors of different versions, so that the universality of the simulator is improved; but also can effectively prevent signal interference among different connecting modules and ensure the stability of the connection of the simulator and different connecting tools.

2. According to the novel ultrasonic radar simulation system, the ultrasonic radar simulator is used for hardware-in-the-loop test based on the ultrasonic radar, various test scenes can be effectively simulated, the acquisition and playback of ultrasonic data are realized, and the optimization and iterative development of a software algorithm are facilitated, so that the repetitive test work is reduced, and the test development efficiency is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a novel ultrasonic radar simulator in an embodiment of the present invention;

FIG. 2 is an explosion view of the novel ultrasonic radar simulator in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a top cover of a simulator in an embodiment of the utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings. The described embodiments are a few embodiments of the utility model, rather than all embodiments.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 and 2, in a preferred embodiment, the novel ultrasonic radar simulator 10 of the present invention includes a simulator housing 100, a control module 200 disposed inside the simulator housing 100, a connector module 300 connected to the control module 200 and disposed on the simulator housing 100, a control switch 400 connected to the control module 200 and disposed on the simulator housing 100, and an indicator light module 500 connected to the control module 200 and disposed outside the simulator housing 100.

The control module 200 is used for autonomously simulating input and output electrical signals of the ultrasonic radar, and please refer to fig. 2, and the specific structure thereof includes a PCB 210 for supporting and electrically connecting electronic components, and a chip module 220 arranged on the PCB 210 for simulating input and output electrical signals of the ultrasonic radar; preferably, the chip module 220 includes a CPU, and a sensor chip, a CAN chip, a DSI3 chip and a power chip respectively connected to the CPU, wherein the CPU is configured to implement general control of the simulator program, the sensor chip is configured to implement simulation of the input/output electrical signal of the ultrasonic radar, the CAN chip is configured to implement control of a CAN bus, the DSI3 chip is configured to implement control of a DSI3 communication protocol, and the power chip is configured to implement electrical control of a circuit.

The CPU comprises a main control unit, a data acquisition unit and a data playback unit; the data acquisition unit is used for sampling the ultrasonic radar analog signals based on the instructions of the main control unit to obtain ultrasonic radar digital signals and sending the ultrasonic radar digital signals to the main control module; the main control unit is used for processing the ultrasonic radar digital signals by using a data acquisition processing program and sending the ultrasonic radar digital signals to the data playback unit; the data playback unit is used for playing back the ultrasonic radar digital signals based on the instructions of the main control unit. Therefore, the whole chip module 220 can effectively realize the simulation of various types of test scenes, and realize the data acquisition analysis and the data playback processing of the ultrasonic radar sensor.

The connector module 300 is used for connecting the simulator with external equipment and is compatible with communication interfaces of ultrasonic radar sensors of different versions; referring to fig. 2, the connector module 300 includes a CAN communication connector module 310 for implementing electrical connection and CAN bus connection, a DSI3 communication connector module 320 for implementing DSI3 communication protocol connection, a GPIO interface connector module 330 for implementing data input and output, and a debug connector module 340 for implementing program debugging; the CAN communication connector module 310 and the GPIO interface connector module 330 are disposed on one side of the PCB 210, the DSI3 communication connector module 320 is disposed on a side of the PCB 210 opposite to the CAN communication connector module 310 and the GPIO interface connector module 330, and the debug connector module 340 is disposed on a side of the PCB 210 adjacent to the CAN communication connector module 310 and the GPIO interface connector module 330. The connector module 300 comprises at least two types of connector modules, and can adapt to the connection of at least two types of communication protocol interfaces, so that the overall universality of the simulator is effectively improved; and each connection module of the connector module 300 is arranged in different areas, which can effectively prevent signal interference between different connection modules and ensure the connection stability of the simulator and different connection tools.

The simulator housing 100 is used for mounting, fixing, protecting, preventing water and dust of electrical components inside a simulator, and referring to fig. 1 and 2, the specific structure thereof includes a simulator top cover 110 and a simulator bottom case 120 assembled with the simulator top cover 110 into a whole through a screw 130, and the simulator top cover 110 and the simulator bottom case 120 are both of hollow cavity structures inside, and when the simulator top cover 110 and the simulator bottom case 120 are assembled into a whole, a simulator accommodating cavity is formed inside, which is convenient for the arrangement of electrical components inside the simulator. Referring to fig. 2, the simulator bottom case 120 includes a bottom case body 121, and module supporting pillars 122 disposed at corners inside the bottom case body 121 and used for elevating and supporting the control module 200; the module support columns 122 can effectively elevate and support the control module 200, so that the control module 200 is suspended on the bottom case body 121, and the electrical component or the component pins at the bottom of the control module 200 are prevented from being directly contacted with the bottom case body 121, and the component pins are prevented from being damaged or the stability of the electrical component is prevented from being influenced. Referring to fig. 2 and 3, the simulator top cover 110 includes a top cover body 111, a connector avoiding notch disposed on the top cover body 111 for adapting to the installation of the connector module 300, a switch assembling notch 113 disposed on the top cover body 111 for adapting to the installation of the control switch 400, and an indicator light assembling notch 114 disposed on the top cover body 111 for adapting to the installation of the indicator light module 500; the connector avoidance slot includes a CAN connector avoidance slot 112a adapted to the CAN communication connector module 310, a DSI3 connector avoidance slot 112b adapted to the DSI3 communication connector module 320, a GPIO connector avoidance slot 112c adapted to the GPIO interface connector module 330, and a debug connector avoidance slot 112d adapted to the debug connector module 340.

The control switch 400 is used to switch the simulator on and off, facilitating the switching between different test scenarios. The indicator light module 500 is used for reminding the running state of the simulator, so that the running state of the simulator can be observed conveniently.

The utility model provides a novel ultrasonic radar analog system, include as above novel ultrasonic radar simulator 10 to and computer 20, CANOE instrument 30, controller unit 40 and ultrasonic radar 50, and adopt USB to be connected between computer 20 and the CANOE instrument 30, adopt CAN bus connection between CANOE instrument 30 and controller unit 40, CANOE instrument 30 and the novel ultrasonic radar simulator 10, controller unit 40 and novel ultrasonic radar simulator 10, all CAN adopt GPIO circuit and DSI3 communication bus connection between ultrasonic radar 50 and the novel ultrasonic radar simulator 10. The computer 20 is used for simulating nodes of the whole vehicle, controlling the novel ultrasonic radar simulator 10 and data acquisition and playback, and comprises upper computer software which can display relevant configuration information and results and input scene parameters; the CANOE tool 30 is used for signal transmission among the computer 20, the controller unit 40 and the novel ultrasonic radar simulator 10, and the controller unit 40 is a domain controller capable of utilizing automatic driving; the novel ultrasonic radar simulator 10 is used for simulating input and output electric signals of the ultrasonic radar 50, receiving real signals of the ultrasonic radar 50, and transmitting the signals to the computer 20 after data conversion; the ultrasonic radars 50 are ultrasonic radar entities on the vehicle, the number of which is determined according to the actual loading amount, and are used for sensing input of data acquisition. In the process of hardware in loop test, the novel ultrasonic radar simulator 10 can be combined with the CANOE tool 30, the controller unit 40 and the ultrasonic radar 50 according to an input instruction in the computer 20, test scene simulation, ultrasonic data acquisition processing and ultrasonic data playback processing are carried out, repetitive test work is reduced, and test development efficiency is greatly improved.

According to the technical scheme of the embodiment, the novel ultrasonic radar simulator provided by the utility model can be compatible with the connection of various types of communication protocols, and meets the connection of ultrasonic radar sensors of different versions, so that the universality of the simulator is improved; but also can effectively prevent signal interference among different connecting modules and ensure the stability of the connection of the simulator and different connecting tools. The utility model also provides a simulation system formed by utilizing the ultrasonic radar simulator, and when the system is utilized to carry out hardware-in-loop test based on the ultrasonic radar, various test scenes can be effectively simulated, the acquisition and playback of ultrasonic data are realized, and the optimization and iterative development of a software algorithm are facilitated, so that the repetitive test work is reduced, and the test development efficiency is greatly improved.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "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 or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. A novel ultrasonic radar simulator, comprising:

the simulator shell is used for mounting, fixing, protecting, preventing water and dust of electrical elements in the simulator;

the control module is arranged in the simulator shell and used for autonomously simulating input and output electric signals of the ultrasonic radar;

and the connector module is connected with the control module, arranged on the simulator shell and used for connecting the simulator with external equipment and being compatible with communication interfaces of ultrasonic radar sensors of different versions.

2. The novel ultrasonic radar simulator of claim 1, wherein the control module comprises a PCB board for supporting and electrically connecting electronic components, and a chip module disposed on the PCB board for simulating input and output electrical signals of the ultrasonic radar.

3. The novel ultrasonic radar simulator of claim 2, wherein the chip module comprises a CPU, and a sensor chip, a CAN chip, a DSI3 chip and a power supply chip respectively connected to the CPU;

the CPU is used for realizing the general control of a simulator program, the sensor chip is used for realizing the simulation of input and output electric signals of the ultrasonic radar, the CAN chip is used for realizing the control of a CAN bus, the DSI3 chip is used for realizing the control of a DSI3 communication protocol, and the power supply chip is used for realizing the electrical control of a circuit.

4. The novel sodar simulator of claim 1, wherein said connector module comprises at least two types of connector modules to accommodate different versions of the communication interface of the sodar sensor.

5. The novel ultrasonic radar simulator of claim 1, wherein the connector module comprises a CAN communication connector module for electrical connection and CAN bus connection, a DSI3 communication connector module for DSI3 communication protocol connection, a GPIO interface connector module for data input and output, and a debug connector module for program debugging;

the CAN communication connector module and the GPIO interface connector module are arranged on one side edge of the PCB, the DSI3 communication connector module is arranged on the side edge of the PCB opposite to the CAN communication connector module and the GPIO interface connector module, and the debugging connector module is arranged on the side edge of the PCB adjacent to the CAN communication connector module and the GPIO interface connector module.

6. The novel ultrasonic radar simulator of claim 1, further comprising a control switch connected to the control module and disposed on the simulator housing for enabling the simulator to be turned on and off.

7. The novel ultrasonic radar simulator of claim 1, further comprising an indicator light module connected to the control module and disposed outside the simulator housing for prompting the operation status of the simulator.

8. The novel ultrasonic radar simulator of claim 1, wherein said simulator housing comprises a simulator top cover, and a simulator bottom shell assembled with said simulator top cover as one body by screws;

and the simulator top cover and the simulator bottom shell are both of hollow cavity structures, and when the simulator top cover and the simulator bottom shell are assembled into a whole, a simulator accommodating cavity is formed inside.

9. The novel sodar simulator of claim 8, wherein said simulator chassis comprises a chassis body, and module support posts disposed at internal corners of said chassis body for elevating and supporting a control module;

the simulator top cap includes the top cap body, locates on the top cap body, the connector that is used for adaptation connector module installation dodges the notch, locates on the top cap body, be used for the switch assembly notch of adaptation control switch installation, and locate on the top cap body, be used for the pilot lamp assembly notch of adaptation pilot lamp module installation.

10. A novel ultrasonic radar simulation system comprising a novel ultrasonic radar simulator according to any one of claims 1 to 9.