CN215931294U - Vehicle inspection system - Google Patents
Vehicle inspection system Download PDFInfo
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- CN215931294U CN215931294U CN202122086709.6U CN202122086709U CN215931294U CN 215931294 U CN215931294 U CN 215931294U CN 202122086709 U CN202122086709 U CN 202122086709U CN 215931294 U CN215931294 U CN 215931294U
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Abstract
The utility model discloses a vehicle inspection system, which is used for inspecting a device to be inspected in a target vehicle and comprises computing equipment, projection equipment, vehicle speed simulation equipment and diagnosis equipment; the computing equipment is used for sending the lane line picture to the projection equipment; the projection equipment is used for receiving the lane line picture and projecting the lane line picture to two sides of a target vehicle; the vehicle speed simulation equipment is used for providing a target simulation vehicle speed for the target vehicle so that the device to be detected in the target vehicle generates a response signal according to the vehicle speed and a lane line picture; the diagnostic equipment is used for receiving the response signal and determining whether the device to be detected is qualified or not according to the response signal. The utility model can rapidly test the qualification of the tested device of the vehicle and improve the detection efficiency.
Description
Technical Field
The utility model relates to the technical field of automobile detection, in particular to a vehicle inspection system.
Background
At present, the ADAS (Advanced Driving Assistance System) function of automobiles is becoming more and more popular in ordinary household automobiles. The ADAS function requires related tests and experiments in its development stage, which are basically implemented in a closed test field, and test data is acquired by a large-scale dedicated device for research and development. For ADAS function detection of mass-produced intelligent automobiles, especially for functional detection during offline of a production line, high detection efficiency and high reliability are required, and the requirement cannot be met if a test method in a research and development stage is adopted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vehicle inspection system, and mainly aims to solve the technical problem that the detection efficiency is low when a production line is off line in the prior art.
In order to achieve the above object, the present invention provides a vehicle inspection system for inspecting a device under inspection in a target vehicle, the inspection system including a computing device, a projecting device, a vehicle speed simulating device, and a diagnosing device;
the computing device is used for sending the lane line picture to the projection device;
the projection equipment is used for receiving the lane line picture and projecting the lane line picture to two sides of a target vehicle;
the vehicle speed simulation equipment is used for providing a target simulation vehicle speed for the target vehicle so that a device to be detected in the target vehicle generates a response signal according to the target simulation vehicle speed and the lane line picture;
and the diagnostic equipment is used for receiving the response signal and determining whether the device to be detected is qualified or not according to the response signal.
Optionally, the projection device is connected with the computing device; the projection equipment is arranged right above the tail of the target vehicle, so that the lane lines in the lane line pictures projected to the two sides of the target vehicle are the same as the actual lane line in width.
Optionally, the vehicle speed simulation device is a dynamometer, and the dynamometer is connected with the computing device and is used for receiving a vehicle speed simulation instruction sent by the computing device and providing a target simulated vehicle speed for the target vehicle according to the target simulated vehicle speed simulation instruction; the dynamometer is also connected with the wheels of the target vehicle and used for driving the wheels to rotate at the target simulation vehicle speed according to the target simulation vehicle speed simulation instruction.
Optionally, the lane line picture is a lane line animation; and the projection equipment projects the lane line animation to two sides of a target vehicle.
Optionally, the lane line picture includes a solid lane line, a dotted lane line, and a curve lane line; the dynamometer is also used for driving the wheels to do straight line or turning motion according to the solid line lane line, the dotted line lane line and the curve lane line in the lane line picture.
Optionally, the device to be detected is connected with a control device of a target vehicle, and the control device is connected with a camera device of the target vehicle and the wheels; the camera device is used for acquiring a lane line picture in front of the target vehicle; the control device is used for sending signals to the device to be detected when the wheels are detected to rotate at the target simulation vehicle speed and the lane line pictures acquired by the camera device are received.
Optionally, the device to be detected is further connected with a CAN bus of the target vehicle, and is configured to generate a response signal according to the target simulated vehicle speed and the lane line picture, and send the response signal to the CAN bus of the target vehicle; the diagnostic equipment is connected with the CAN bus, receives the response signal through the CAN bus, and determines whether the device to be detected is qualified or not according to the response signal.
Optionally, the diagnostic apparatus is further configured to determine that the device under test is qualified when the response signal is received; and when the response signal is not received, determining that the device to be detected is unqualified.
The device to be detected is also used for generating a control signal according to the target simulation vehicle speed and the lane line picture; and the diagnostic equipment is used for receiving the control signal and determining whether the device to be detected is qualified or not according to the control signal.
The vehicle inspection system sends the lane line picture to the projection equipment through the computing equipment, and the projection equipment receives the lane line picture and projects the lane line picture to two sides of a target vehicle; the vehicle speed simulation equipment provides a target simulation vehicle speed for the target vehicle so that a device to be detected in the target vehicle generates a response signal according to the target simulation vehicle speed and the lane line picture; the diagnostic equipment receives the response signal and determines whether the device to be detected is qualified or not according to the response signal.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of a vehicle inspection system according to the present invention;
FIG. 2 is a schematic illustration of a position setting for an embodiment of the vehicle inspection system of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The utility model also provides a vehicle inspection system. Referring to fig. 1, a schematic structural diagram of a preferred embodiment of the vehicle inspection system of the present invention is shown.
In the present embodiment, the vehicle inspection system is used for inspecting a device under inspection in a target vehicle. The vehicle inspection system comprises a computing device 1, a projection device 2, a vehicle speed simulation device 3 and a diagnosis device 4;
and the computing equipment 1 is used for sending the lane line picture to the projection equipment 2.
And the projection device 2 is used for receiving the lane line picture and projecting the lane line picture to two sides of the target vehicle 5.
The vehicle speed simulation device 3 is configured to provide a target simulated vehicle speed for the target vehicle 5, so that the device to be inspected 51 in the target vehicle 5 generates a response signal according to the target simulated vehicle speed and the lane line picture.
And the diagnostic equipment 4 is used for receiving the response signal and determining whether the device to be detected is qualified or not according to the response signal.
Specifically, the computing device 1 may be a computer device, such as a desktop computer, a portable computer, a tablet computer, a terminal device (e.g., a mobile phone), and so on. Projection equipment 2 is connected with computing device 1, and it can be wired connection, also can be wireless connection, for example can carry out data transmission through wireless connection methods such as wifi, bluetooth. As shown in fig. 2, the projection device 2 is disposed right above the rear portion of the target vehicle 5, so that the lane lines in the lane line images projected to both sides of the target vehicle 5 have the same width as the actual lane lines. The actual lane line width refers to a lane line width in a real road environment. The lane line picture may be a lane line animation. The projection apparatus 2 projects the lane line animation in real time to both sides of the target vehicle 5 so that the device to be inspected 51 can make different responses in real time at different times according to the lane line animation. Further, the lane line image may further include a solid lane line, a dashed lane line, and a curved lane line, so that the device to be inspected 51 may respond differently according to different lane line types.
The vehicle speed simulation device 3 is respectively connected with the computing device 1 and the target vehicle 5, wherein the vehicle speed simulation device 3 receives the vehicle speed simulation instruction sent by the computing device 1 and provides a target simulation vehicle speed for the target vehicle 5 according to the target simulation vehicle speed simulation instruction. In the embodiment of the present invention, the vehicle speed simulation device 3 may be a dynamometer, and the dynamometer is connected to the computing device 1 and is configured to receive the vehicle speed simulation instruction sent by the computing device 1 and provide the target simulated vehicle speed for the target vehicle 5 according to the target simulated vehicle speed simulation instruction. The dynamometer is arranged at the bottom of the target vehicle 5, is connected with wheels of the target vehicle 5 and is used for driving the wheels of the target vehicle 5 to rotate at the target simulation vehicle speed according to the target simulation vehicle speed simulation instruction, wherein the dynamometer can be in contact connection with the wheels of the target vehicle 5 and drives the wheels to rotate through friction force; or may be a fixed connection. The dynamometer (the dynamometer is also called a dynamometer and is mainly used for testing the power of an engine, and can also be used as loading equipment of a gear box, a speed reducer and a gearbox and used for testing the transmission power of the engine, the dynamometer is an automobile chassis dynamometer, the automobile chassis dynamometer in the embodiment of the utility model can be a hydraulic dynamometer, an eddy current dynamometer, an electric dynamometer and the like, and the novel embodiment is not particularly limited. The automobile chassis dynamometer can simulate various working conditions of automobile road tests, the moment of inertia of flywheel inertia and the inertia of automobile linear motion mass are utilized to simulate the moment of inertia and the inertia of automobile linear motion mass when the automobile runs, a loading device is adopted to simulate the air resistance, the rolling resistance, the climbing resistance and the like of non-driving wheels, which are applied to the automobile in the running process, the road surface is simulated through the rotary motion of a roller, and the running condition of the automobile is dynamically detected. The dynamometer is also used for driving wheels of the target vehicle 5 to do straight line or turning motion according to the solid line lane lines, the dotted line lane lines and the curve lane lines in the lane line picture. Wherein the target simulated vehicle speed may be a longitudinal vehicle speed provided for the target vehicle 5.
The inspection device 51 of the target vehicle 5 is provided inside the target vehicle 5 as a part of the target vehicle 5, and the inspection device 51 is connected to a control device (not shown) of the target vehicle 5, and the control device is also connected to a camera device and wheels of the target vehicle 5. The camera device is used for acquiring a lane line picture projected in front of the target vehicle 5 by the projection equipment 2 and sending the lane line picture to the control device. The control device is used for receiving the lane line picture acquired by the camera device and the target simulation vehicle speed of the wheels, and when the wheels are detected to rotate at the target simulation vehicle speed and the lane line picture acquired by the camera device is received, a signal is sent to the device to be detected 51 so that the device to be detected 51 can respond. The device 51 to be detected is also connected to a CAN bus in the target vehicle 5, and is configured to generate a response signal according to the target simulation vehicle speed and the lane line image, and send the response signal to the CAN bus of the target vehicle 5. The diagnosis device 4 is further connected with the computing device 1 and a control device of the target vehicle 5, the diagnosis device 4 is connected with a CAN bus of the target vehicle 5, the computing device 1 sends a diagnosis instruction to the diagnosis device 4, the diagnosis device 4 receives a response signal sent by the device to be detected 51 through the CAN bus, and whether the device to be detected 51 is qualified is determined according to the response signal. Wherein the diagnostic apparatus 4 determines that the device to be inspected 51 is qualified when the response signal of the device to be inspected 51 is received, and determines that the device to be inspected 51 is unqualified when the response signal of the device to be inspected 51 is not received. The response signal may be a response to the target simulated vehicle speed and the lane line picture, such as an activation response of the device under test 51. The dynamometer CAN also adjust a vehicle speed simulation instruction in real time according to the lane line animation played in real time by the computing device 1, so that the dynamometer adjusts the target simulation vehicle speed (longitudinal vehicle speed) in real time, at the moment, the device to be detected 51 responds according to the lane line image and the target simulation vehicle speed of the wheels in real time and sends a response signal to the CAN bus, the CAN bus sends the response signal to the diagnostic device 4, the diagnostic device 4 determines whether the device to be detected 51 should generate a response signal according to the real-time lane line image and the target simulation vehicle speed of the wheels, and when the response signal is received, the device to be detected 51 is determined to be qualified. When there is an interruption (i.e., no response signal is received at a certain time) in the real-time detection process within the preset time period, it is determined that the device to be inspected 51 is not qualified, and when there is no interruption in the real-time detection process within the preset time period, it is determined that the device to be inspected 51 is qualified. The diagnosing apparatus 4 is also configured to generate a diagnosis result after determining whether the device to be inspected 51 is qualified, and transmit the diagnosis result to the computing apparatus 1.
In the embodiment of the present invention, the device to be inspected 51 is further configured to generate a control signal according to the target simulated vehicle speed and the lane marking screen, where the control signal is used to control the target vehicle 5 to perform a response adjustment according to the lane marking screen and the target simulated vehicle speed. The diagnostic device 4 obtains the control signal through the CAN bus, and determines whether the device to be detected 51 is qualified according to the control signal. The determination of whether the device to be inspected 51 is qualified means whether the control of the device to be inspected 51 is accurate, and specifically, the diagnostic apparatus 4 may store in advance control parameters corresponding to the lane line image and the target simulation vehicle speed, and compare the control signal of the device to be inspected 51 with the control parameters, thereby determining whether the device to be inspected 51 is qualified.
The specific working process of the vehicle inspection system is as follows: at the start of the inspection, the operator operates the computing apparatus 1, and the computing apparatus 1 transmits the lane line picture to the projection apparatus 2 according to the operation of the operator. The projection device 2 receives the lane line picture sent by the computing device 1, and projects the lane line picture on the ground on two sides of the target vehicle 5 in real time, after the relative position of the lane line picture and the target vehicle 5 is adjusted, the vehicle speed simulation device 3 provides a target simulation vehicle speed for the target vehicle 5, and after the inspection device 51 in the target vehicle 5 receives the target simulation vehicle speed and the information of the lane line picture, a response signal is generated according to the target simulation vehicle speed and the lane line picture. The diagnostic apparatus 4 receives the response signal of the device under examination 51 and determines whether the device under examination 51 is qualified based on the response signal of the device under examination 51. When it is not qualified, the diagnostic apparatus 4 may issue an alarm or send a diagnostic result to the computing apparatus 1, and the operator can know the condition of the device to be inspected 51 in the target vehicle 5 based on the alarm or the display information of the computing apparatus 1.
The device to be detected 51 may be any one of an advanced driving assistance system, a lane centering aid (LCC), a lane departure warning device, a lane departure calibration device, or an adaptive cruise device. That is, the vehicle inspection system according to the embodiment of the present invention may respectively inspect the advanced driving assistance system, the lane centering assistance device, the lane departure warning device, the lane departure calibration device, or the adaptive cruise device to determine whether each device is qualified. In the embodiment of the utility model, the vehicle inspection system can be used for inspecting each device to be inspected in the target vehicle at a fixed place when the automobile product is off-line, and for example, in an experiment site which needs to be connected with an automobile transfer line for other inspections, the target vehicle does not need to be driven on an actual lane for inspection. On one hand, the automobile inspection device can be seamlessly connected with automobile transfer lines in other inspection processes, so that the inspection efficiency is improved; on the other hand, the safety in the inspection process is also ensured.
In the vehicle inspection system provided in the above embodiment, the computing device sends the lane line picture to the projection device, and the projection device receives the lane line picture and projects the lane line picture to both sides of the target vehicle; the vehicle speed simulation equipment provides a target simulation vehicle speed for the target vehicle so that a device to be detected in the target vehicle generates a response signal according to the target simulation vehicle speed and the lane line picture; the diagnostic equipment receives the response signal and determines whether the device to be detected is qualified or not according to the response signal.
It is to be noted that technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which embodiments of the present invention belong, unless otherwise specified.
In the description of the present embodiments, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships that are based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing the embodiments of the present invention and for simplicity in description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention.
Furthermore, the technical terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the novel embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In describing the novel embodiments of this embodiment, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A vehicle inspection system for inspecting a device under inspection in a target vehicle, the inspection system comprising computing means, projecting means, vehicle speed simulating means and diagnostic means;
the computing device is used for sending the lane line picture to the projection device;
the projection equipment is used for receiving the lane line picture and projecting the lane line picture to two sides of a target vehicle;
the vehicle speed simulation equipment is used for providing a target simulation vehicle speed for the target vehicle so that a device to be detected in the target vehicle generates a response signal according to the target simulation vehicle speed and the lane line picture;
and the diagnostic equipment is used for receiving the response signal and determining whether the device to be detected is qualified or not according to the response signal.
2. The inspection system of claim 1, wherein the projection device is connected to the computing device; the projection equipment is arranged right above the tail of the target vehicle, so that the lane lines in the lane line pictures projected to the two sides of the target vehicle are the same as the actual lane line in width.
3. The checking system according to claim 1, wherein the vehicle speed simulating device is a dynamometer, and the dynamometer is connected with the computing device and is used for receiving a vehicle speed simulating command sent by the computing device and providing a target simulated vehicle speed for the target vehicle according to the target simulated vehicle speed simulating command;
the dynamometer is also connected with the wheels of the target vehicle and used for driving the wheels to rotate at the target simulation vehicle speed according to the target simulation vehicle speed simulation instruction.
4. The inspection system of claim 3, wherein the lane-line picture is a lane-line animation;
and the projection equipment projects the lane line animation to two sides of a target vehicle.
5. The inspection system of claim 4, wherein the lane marking screen includes a solid line lane marking, a dashed line lane marking, and a curved line lane marking; the dynamometer is also used for driving the wheels to do straight line or turning motion according to the solid line lane line, the dotted line lane line and the curve lane line in the lane line picture.
6. The inspection system of claim 3, wherein the device under inspection is connected to a control device of a target vehicle, the control device being connected to the camera device of the target vehicle and the wheels;
the camera device is used for acquiring a lane line picture in front of the target vehicle;
the control device is used for sending signals to the device to be detected when the wheels are detected to rotate at the target simulation vehicle speed and the lane line pictures acquired by the camera device are received.
7. The inspection system according to claim 1, wherein the device to be inspected is further connected to a CAN bus of the target vehicle, and is configured to generate a response signal according to the target simulated vehicle speed and the lane line picture, and send the response signal to the CAN bus of the target vehicle;
the diagnostic equipment is connected with the CAN bus, receives the response signal through the CAN bus, and determines whether the device to be detected is qualified or not according to the response signal.
8. The inspection system of claim 1, wherein the diagnostic apparatus is further configured to, upon receiving the response signal, determine that the device under inspection is qualified; and when the response signal is not received, determining that the device to be detected is unqualified.
9. The inspection system of claim 1, wherein the device under inspection is further configured to generate a control signal based on the target simulated vehicle speed and the lane marking screen;
and the diagnostic equipment is used for receiving the control signal and determining whether the device to be detected is qualified or not according to the control signal.
10. The inspection system according to any one of claims 1 to 9, characterized in that the device under inspection is any one of an advanced driving assistance system, a lane centering assistance device, a lane departure warning device, a lane departure calibration device, or an adaptive cruise device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122086709.6U CN215931294U (en) | 2021-08-31 | 2021-08-31 | Vehicle inspection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122086709.6U CN215931294U (en) | 2021-08-31 | 2021-08-31 | Vehicle inspection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215931294U true CN215931294U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122086709.6U Active CN215931294U (en) | 2021-08-31 | 2021-08-31 | Vehicle inspection system |
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| CN (1) | CN215931294U (en) |
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2021
- 2021-08-31 CN CN202122086709.6U patent/CN215931294U/en active Active
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Address after: 518000 401, Building B1, Nanshan Zhiyuan, No. 1001, Xueyuan Avenue, Changyuan Community, Taoyuan Street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Saifang Technology Co.,Ltd. Address before: 518000 room 701, building B1, Nanshan wisdom garden, 1001 Xueyuan Avenue, Changyuan community, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Daotong Intelligent Automobile Co.,Ltd. |
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