CN217804618U - Information acquisition system applied to vehicle and vehicle - Google Patents
Information acquisition system applied to vehicle and vehicle Download PDFInfo
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- CN217804618U CN217804618U CN202222316304.1U CN202222316304U CN217804618U CN 217804618 U CN217804618 U CN 217804618U CN 202222316304 U CN202222316304 U CN 202222316304U CN 217804618 U CN217804618 U CN 217804618U
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Abstract
The utility model provides an information acquisition system and vehicle for vehicle, the information acquisition system includes a vehicle body gateway, at least one vehicle function module and an inertia measurement unit; the inertia measurement unit is connected with a vehicle body gateway, and the vehicle body gateway is respectively connected with each vehicle function module; the inertia measurement unit is used for collecting inertial navigation information of the vehicle and sending the collected inertial navigation information to the vehicle function module through the vehicle body gateway, so that the vehicle function module executes corresponding vehicle functions based on the received inertial navigation information. The scheme is that the inertia measurement unit is arranged in a vehicle body network of a vehicle, inertial navigation information of the vehicle is collected through the inertia measurement unit, the collected inertial navigation information is sent to the vehicle function modules through a preset communication mode and a vehicle body gateway, and each vehicle function module is not required to be provided with the corresponding inertia measurement unit, so that resources are saved and the production cost of the vehicle is reduced.
Description
Technical Field
The utility model relates to a vehicle technical field, concretely relates to be applied to information acquisition system and vehicle of vehicle.
Background
An Inertial Measurement Unit (IMU) is used to measure the acceleration and angular velocity of the vehicle and provide speed information and direction information of the vehicle for the vehicle navigation technology.
Due to the requirement standards of each functional module of the vehicle, each functional module in the vehicle is respectively provided with an inertia measurement unit (usually integrated on a printed circuit board of the functional module) corresponding to the functional module, that is, the vehicle is provided with a plurality of inertia measurement units, so that the waste of resources is caused, and the production cost of the vehicle is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an information acquisition system and vehicle for vehicle is provided to solve each functional module and all set up the wasting of resources and the higher scheduling problem of vehicle manufacturing cost that inertia measuring unit leads to.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
the utility model discloses a first aspect discloses an information acquisition system for vehicle, include: the system comprises a vehicle body gateway, at least one vehicle function module and an inertia measurement unit;
the inertia measurement unit is connected with the vehicle body gateway, and the vehicle body gateway is respectively connected with each vehicle function module;
The inertial measurement unit is used for collecting inertial navigation information of a vehicle and sending the collected inertial navigation information to the vehicle function module through the vehicle body gateway, so that the vehicle function module executes corresponding vehicle functions based on the received inertial navigation information.
Preferably, the at least one vehicle function module at least comprises a chassis module, an airbag module, a vehicle networking module, an intelligent driving controller and an intelligent driving high-precision positioning module.
Preferably, the inertial navigation information acquired by the inertial measurement unit includes multiple items of information;
the body gateway is specifically configured to: sending first inertial navigation information to the chassis module in a CAN communication mode, so that the chassis module adjusts relevant parameters of a vehicle chassis based on the first inertial navigation information, wherein the first inertial navigation information consists of information used for adjusting the vehicle chassis in the inertial navigation information;
sending second inertial navigation information to the airbag module in the CAN communication mode, so that the airbag module controls airbags in different areas of the vehicle based on the second inertial navigation information, wherein the second inertial navigation information is composed of information used for controlling the airbags in the inertial navigation information;
Sending third inertial navigation information to the Internet of vehicles module in an Ethernet communication mode, so that the Internet of vehicles module executes an Internet of vehicles positioning function based on the third inertial navigation information, wherein the third inertial navigation information consists of information used for executing the Internet of vehicles positioning function in the inertial navigation information;
sending fourth inertial navigation information to the intelligent driving controller in the Ethernet communication mode, so that the intelligent driving controller executes a longitudinal vehicle control function based on the fourth inertial navigation information, wherein the fourth inertial navigation information consists of information used for executing the longitudinal vehicle control function in the inertial navigation information;
and sending fifth inertial navigation information to the intelligent driving high-precision positioning module in an Ethernet communication mode, so that the intelligent driving high-precision positioning module executes the positioning function at the lane level based on the fifth inertial navigation information, wherein the fifth inertial navigation information consists of information used for executing the positioning function at the lane level in the inertial navigation information.
Preferably, the first inertial navigation information includes: the gyroscope X-axis output signal, the adding table X-axis output signal, the gyroscope Y-axis output signal, the adding table Y-axis output signal, the gyroscope Z-axis output signal and the adding table Z-axis output signal.
Preferably, the second inertial navigation information includes: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal and a meter adding Z-axis output signal.
Preferably, the third inertial navigation information includes: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal, a meter adding Z-axis output signal and a timestamp.
Preferably, the fourth inertial navigation information includes: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal and a meter adding Z-axis output signal.
Preferably, the fifth inertial navigation information includes: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal, a meter adding Z-axis output signal and a timestamp.
Preferably, the inertial measurement unit comprises a six-axis inertial measurement unit.
The utility model discloses the vehicle is disclosed to the second aspect, the vehicle is provided with the utility model discloses a be applied to the information acquisition system of vehicle that the first aspect is disclosed.
Based on above-mentioned the embodiment of the utility model provides an information acquisition system and vehicle for vehicle, this information acquisition system includes automobile body gateway, at least one vehicle function module and inertia measuring unit; the inertia measurement unit is connected with a vehicle body gateway, and the vehicle body gateway is respectively connected with each vehicle function module; the inertial measurement unit is used for collecting inertial navigation information of the vehicle and sending the collected inertial navigation information to the vehicle function module through the vehicle body gateway, so that the vehicle function module executes corresponding vehicle functions based on the received inertial navigation information. According to the scheme, the inertia measurement unit is arranged in the vehicle body network of the vehicle, the inertia measurement unit is used for collecting the inertial navigation information of the vehicle, the collected inertial navigation information is sent to the vehicle function modules through the vehicle body gateway, and each vehicle function module is not required to be provided with the corresponding inertia measurement unit, so that resources are saved and the production cost of the vehicle is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a block diagram of an information acquisition system for a vehicle according to an embodiment of the present invention;
fig. 2 is another block diagram of an information collecting system applied to a vehicle according to an embodiment of the present invention;
fig. 3 is a block diagram of another structure of an information collecting system applied to a vehicle according to an embodiment of the present invention;
fig. 4 is a diagram illustrating a structure of an information collecting system applied to a vehicle according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below are not intended to limit the scope of the present invention described in the claims. The entire contents of the following embodiments are not limited to those required as a solution of the invention described in the claims.
As can be known from the background art, each functional module in the vehicle is provided with an Inertial Measurement Unit (IMU) corresponding to the functional module, that is, the vehicle is provided with a plurality of IMUs, which causes resource waste and increases the vehicle production cost.
Therefore, the embodiment of the utility model provides an information acquisition system and vehicle for vehicle, including automobile body gateway, at least one individual vehicle function module and inertia measuring unit; the inertia measurement unit collects inertial navigation information of the vehicle, the collected inertial navigation information is sent to the vehicle function modules through the vehicle body gateway, and each vehicle function module does not need to be provided with the corresponding inertia measurement unit, so that resources are saved and the production cost of the vehicle is reduced.
It should be noted that inertial measurement units have at least the following multiple uses in vehicle technology:
the first purpose is as follows: the acceleration and angular velocity of the vehicle are measured in real time.
Wherein the characteristic uses of acceleration and angular velocity at least include: the intelligent driving transverse and longitudinal vehicle control function-self-adaptive cruise judgment is used for judging the actual motion state of the vehicle; passive safety airbag blasting-judging vehicle speed and the change rate of the vehicle speed; and the chassis module, the air suspension module and the like are supported to judge the motion attitude of the real vehicle.
The second purpose is as follows: and providing the speed information and the direction information of the vehicle for the vehicle-mounted navigation technology.
Wherein the characteristic uses of the speed information and the direction information at least comprise: providing speed information and movement direction information for vehicle navigation; and a positioning auxiliary function is provided for the vehicle-mounted T-BOX so as to realize a related positioning function.
The third purpose is as follows: and continuously outputting a high-precision positioning result in a shielding environment, and particularly providing a position calculation result for a high-order intelligent driving system to ensure the reliability of the positioning result.
The inventor has found that in the prior art, each vehicle function module has a strong demand for an inertia measurement unit. However, in the context of the requirements standards and different development times of the vehicle functional modules, the execution controllers of the individual vehicle functional modules on the vehicle have their own inertial measurement units, which are usually integrated on a Printed Circuit Board (PCB) of the execution controller.
For example, as shown in table 1 (table 1 is used for illustration only), the vehicle function modules of the existing vehicles have at least a plurality of IMUs as shown in table 1, which results in waste of resources and higher vehicle production cost.
Therefore, the scheme provides the information acquisition system applied to the vehicle and the vehicle, and the inertial measurement unit is arranged in the vehicle to finish acquisition and transmission of inertial navigation information, so that resources are saved and the production cost of the vehicle is reduced; the details are described in the following description of the respective embodiments.
Table 1:
referring to fig. 1, it is shown that an embodiment of the present invention provides a structural block diagram of an information acquisition system for a vehicle, where the information acquisition system includes: a body gateway 100, at least one vehicle function module 200, and an inertial measurement unit 300.
Specifically, the inertial measurement unit 300 (hereinafter, referred to as an inertial measurement unit) is connected to a vehicle body gateway 100 (hereinafter, referred to as a vehicle body gateway), and the vehicle body gateway is connected to each vehicle function module 200 (hereinafter, referred to as a vehicle function module), respectively.
In some embodiments, the inertia measurement unit includes a six-axis inertia measurement unit, and the inertia measurement unit is externally disposed in a vehicle body network of the vehicle, specifically, the inertia measurement unit is connected to a whole vehicle wire harness, and may also be disposed at a preset position of the vehicle according to actual requirements, where the disposition position of the inertia measurement unit is not specifically limited.
In other embodiments, the number of the inertial measurement units may be 1 or more, and the number of the inertial measurement units is preferably 1. Under the condition of having a plurality of inertial measurement units, the inertial navigation information acquired by each inertial measurement unit is fused to obtain more accurate inertial navigation information.
It should be noted that the inertial measurement unit may also be an inertial measurement unit of other specifications, and the type and specification of the inertial measurement unit are not specifically limited herein.
In some embodiments, the inertial measurement unit is configured to collect inertial navigation information of the vehicle, such as: the method comprises the following steps that an inertial measurement unit collects a gyro X-axis output signal (marked as IMU _ AngrateX), a meter adding X-axis output signal (marked as IMU _ AccelX), a gyro Y-axis output signal (marked as IMU _ AngrateY), a meter adding Y-axis output signal (marked as IMU _ AccelY), a gyro Z-axis output signal (marked as IMU _ AngrateZ), a meter adding Z-axis output signal (marked as IMU _ AccelZ) and a time stamp (marked as a time stamp); the inertial measurement unit may also acquire a temperature output signal (denoted as IMU _ Temp), which is not illustrated herein.
The inertial measurement unit sends the acquired inertial navigation information to the vehicle function module through a preset communication mode and a vehicle body gateway, so that the vehicle function module executes corresponding vehicle functions based on the received inertial navigation information.
Specifically, the inertia measurement unit is communicated with the vehicle body gateway in a preset communication mode, and the vehicle body gateway is communicated with each vehicle function module in the preset communication mode; the inertial measurement unit sends the acquired inertial navigation information to each vehicle function module by using the vehicle body gateway.
That is to say, the inertial measurement unit sends the acquired inertial navigation information to the vehicle body gateway in a preset communication mode, and then the vehicle body gateway sends the inertial navigation information to each vehicle function module in the preset communication mode respectively.
In some embodiments, as another structural block diagram of an information collecting system applied to a vehicle provided in fig. 2, the plurality of vehicle function modules at least include a chassis module 201 (hereinafter referred to as a chassis module), an airbag module 202 (hereinafter referred to as an airbag module), a vehicle networking module 203 (hereinafter referred to as a vehicle networking module), an intelligent driving controller 204 (hereinafter referred to as an intelligent driving controller), and an intelligent driving high-precision positioning module 205 (hereinafter referred to as an intelligent driving high-precision positioning module).
The vehicle body gateway is respectively connected with the chassis module, the safety airbag module, the vehicle networking module, the intelligent driving controller and the intelligent driving high-precision positioning module.
It can be understood that the body gateway is specifically: and the equipment is connected with all local area network segments of the whole vehicle and can realize information transmission and interaction of all network segments. The car body gateway supports an Ethernet communication mode and a CAN communication mode, wherein the CAN is a Controller Area Network (Controller Area Network).
It should be noted that preset communication modes adopted for communication between the body gateway and different vehicle function modules may be different; in some embodiments, the predetermined communication mode is an ethernet communication mode or a CAN communication mode.
It should be further noted that the inertial measurement unit and the body gateway may communicate in a CAN communication manner and an ethernet communication manner.
As another structural block diagram of the information acquisition system applied to the vehicle provided in fig. 3, the inertial measurement unit and the body gateway CAN communicate with each other in an ethernet communication manner and a CAN communication manner; the vehicle body gateway is respectively communicated with the chassis module and the safety airbag module in a CAN communication mode; the vehicle body gateway is communicated with the vehicle networking module, the intelligent driving controller and the intelligent driving high-precision positioning module respectively in an Ethernet communication mode.
As can be seen from the above, the inertial navigation information acquired by the inertial measurement unit includes a plurality of items of information, and specifically, the inertial navigation information includes, but is not limited to, a gyro X-axis output signal, a tabulation X-axis output signal, a gyro Y-axis output signal, a tabulation Y-axis output signal, a gyro Z-axis output signal, a tabulation Z-axis output signal, a timestamp, and other items of information.
It should be noted that, when different vehicle function modules execute their corresponding vehicle functions, the required information may be different (or may be the same), so when the inertial measurement unit sends the inertial navigation information to the vehicle function module, any information included in the aforementioned inertial navigation information may be sent to the vehicle function module according to the requirement of the vehicle function module. Which information is sent to the vehicle function module is described in detail below.
In some embodiments, the body gateway sends (or outputs) the first inertial navigation information to the chassis module in a CAN communication manner, so that the chassis module adjusts relevant parameters of the vehicle chassis based on the first inertial navigation information.
The first inertial navigation information is composed of information for adjusting a vehicle chassis in the inertial navigation information, and the first inertial navigation information includes: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal and a meter adding Z-axis output signal.
It can be understood that the first inertial navigation information can be used to determine the real vehicle motion state and the specific attitude of the vehicle, so the chassis module can utilize the first inertial navigation information output by the inertial measurement unit to adjust the relevant parameters of the vehicle chassis.
In some embodiments, the body gateway sends the second inertial navigation information to the airbag module in a CAN communication mode, so that the airbag module controls airbags in different areas of the vehicle based on the second inertial navigation information.
The second inertial navigation information consists of information used for controlling the safety airbag in the inertial navigation information, and the second inertial navigation information comprises: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal and a meter adding Z-axis output signal.
It will be appreciated that the second inertial navigation information may be used to determine actual vehicle speed information (e.g., rate of change) and acceleration of the vehicle, so that the airbag module may control airbags in different regions of the vehicle using the second inertial navigation information output by the inertial measurement unit, for example: the safety airbag module can utilize second inertial navigation information output by the inertial measurement unit to realize safety airbag blasting in different areas of the vehicle.
In some embodiments, the vehicle body gateway sends the third inertial navigation information to the internet of vehicles module through an ethernet communication mode, so that the internet of vehicles module performs the internet of vehicles positioning function based on the third inertial navigation information.
The third inertial navigation information is composed of information for performing a positioning function of the internet of vehicles in the inertial navigation information, and the third inertial navigation information includes: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal, a meter adding Z-axis output signal and a timestamp.
In some embodiments, the vehicle body gateway sends the fourth inertial navigation information to the intelligent driving controller in an ethernet communication manner, so that the intelligent driving controller executes a longitudinal vehicle control function based on the fourth inertial navigation information.
The fourth inertial navigation information is composed of information for executing a longitudinal vehicle control function in the inertial navigation information, and the fourth inertial navigation information includes: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal and a meter adding Z-axis output signal.
It can be understood that the fourth inertial navigation information can be used for determining information such as actual vehicle speed and acceleration of the vehicle, so that the intelligent driving controller can perform a longitudinal vehicle control function by using the fourth inertial navigation information output by the inertial measurement unit.
In some embodiments, the vehicle body gateway sends the fifth inertial navigation information to the intelligent driving high-precision positioning module in an ethernet communication manner, so that the intelligent driving high-precision positioning module executes a positioning function at a lane level based on the fifth inertial navigation information.
The fifth inertial navigation information is composed of information for performing a lane-level positioning function in the inertial navigation information, and includes: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal, a meter adding Z-axis output signal and a timestamp.
It should be noted that after the inertial measurement unit sends the inertial navigation information to the vehicle body gateway, the vehicle body gateway may screen a plurality of items of information included in the inertial navigation information to screen out information required by each vehicle function module to execute a vehicle function, and send the information required by the vehicle function module to the vehicle function module. The vehicle body gateway and each vehicle function module prescribe information required by each vehicle function module to execute the corresponding vehicle function in advance.
For example: the inertia measurement unit sends a gyro X-axis output signal, a meter adding X-axis output signal, a gyro Y-axis output signal, a meter adding Y-axis output signal, a gyro Z-axis output signal, a meter adding Z-axis output signal, a timestamp and other items of information to a vehicle body gateway; the vehicle body gateway screens out fifth inertial navigation information from the plurality of information, the vehicle body gateway sends the fifth inertial navigation information to the intelligent driving high-precision positioning module to execute a positioning function of a vehicle lane level, and the screening modes of the first inertial navigation information to the fourth inertial navigation information are the same as the above contents and are not repeated herein.
The above contents relate to a related explanation of an information acquisition system applied to a vehicle, in which after acquiring inertial navigation information of the vehicle, an inertial measurement unit respectively outputs inertial navigation information required by each vehicle function module to each vehicle function module through a vehicle body gateway, so that the vehicle function module executes a corresponding vehicle function based on the received inertial navigation information; and corresponding inertia measurement units are not required to be arranged in each vehicle function module, so that resources are saved and the production cost of the vehicle is reduced.
To better explain the information collecting system applied to the vehicle provided by the embodiment of the present invention, an example is provided by fig. 4.
Referring to fig. 4, a diagram of an exemplary structure of an information collecting system applied to a vehicle according to an embodiment of the present invention is shown; the inertial measurement unit is an external high-precision six-axis IMU (such as 09A 2), the vehicle networking module at least comprises 5G, GNSS and positioning algorithm, the intelligent driving controller at least comprises map semantic high-precision positioning SDK, HD map and the like, and the intelligent driving high-precision positioning module at least comprises GNSS, combined positioning algorithm and the like.
The external high-precision six-axis IMU is communicated with the vehicle body gateway in an Ethernet communication mode and a CAN communication mode, and particularly, the external high-precision six-axis IMU CAN send the acquired inertial navigation information to the vehicle body gateway by utilizing the Ethernet communication mode and the CAN communication mode; the vehicle body gateway sends the information in the inertial navigation information to each vehicle function module respectively, and the specific sending mode is detailed as follows:
the vehicle body gateway sends a gyro X-axis output signal, a meter adding X-axis output signal, a gyro Y-axis output signal, a meter adding Y-axis output signal, a gyro Z-axis output signal and a meter adding Z-axis output signal to a chassis module (such as an air suspension and the like) in a CAN communication mode.
The chassis module adjusts relevant parameters of a vehicle chassis based on the gyro X-axis output signal, the adding table X-axis output signal, the gyro Y-axis output signal, the adding table Y-axis output signal, the gyro Z-axis output signal and the adding table Z-axis output signal.
The vehicle body gateway sends the gyro X-axis output signal, the meter adding X-axis output signal, the gyro Y-axis output signal, the meter adding Y-axis output signal, the gyro Z-axis output signal and the meter adding Z-axis output signal to an airbag module (ABM) in a CAN communication mode.
The safety airbag module realizes the safety airbag blasting in different areas of the vehicle based on gyro X-axis output signals, meter adding X-axis output signals, gyro Y-axis output signals, meter adding Y-axis output signals, gyro Z-axis output signals and meter adding Z-axis output signals.
And the vehicle body gateway sends the gyroscope X-axis output signal, the meter adding X-axis output signal, the gyroscope Y-axis output signal, the meter adding Y-axis output signal, the gyroscope Z-axis output signal, the meter adding Z-axis output signal and the timestamp to the vehicle networking module in an Ethernet communication mode.
The car networking module realizes the car networking locate function based on gyro X axle output signal, add table X axle output signal, gyro Y axle output signal, add table Y axle output signal, gyro Z axle output signal, add table Z axle output signal, timestamp.
And the vehicle body gateway sends the gyro X-axis output signal, the meter adding X-axis output signal, the gyro Y-axis output signal, the meter adding Y-axis output signal, the gyro Z-axis output signal and the meter adding Z-axis output signal to the intelligent driving controller in an Ethernet communication mode.
The intelligent driving controller executes the longitudinal vehicle control function of the real vehicle based on the gyro X-axis output signal, the meter adding X-axis output signal, the gyro Y-axis output signal, the meter adding Y-axis output signal, the gyro Z-axis output signal and the meter adding Z-axis output signal.
And the vehicle body gateway sends the gyroscope X-axis output signal, the meter adding X-axis output signal, the gyroscope Y-axis output signal, the meter adding Y-axis output signal, the gyroscope Z-axis output signal, the meter adding Z-axis output signal and the timestamp to the intelligent driving high-precision positioning module in an Ethernet communication mode.
The intelligent driving high-precision positioning module realizes the positioning function of intelligent driving for the lane level based on a gyro X-axis output signal, a meter adding X-axis output signal, a gyro Y-axis output signal, a meter adding Y-axis output signal, a gyro Z-axis output signal, a meter adding Z-axis output signal and a timestamp.
The above contents are about the examples of the information collecting system applied to the vehicle provided by the present invention, the vehicle function module is not limited to the above mentioned chassis module, airbag module, car networking module, intelligent driving controller and intelligent driving high-precision positioning module, and the vehicle function module is not limited specifically here.
Use above-mentioned the utility model provides an information acquisition system for vehicle can make one of them practical application scene do: in the using process of the vehicle, the inertial measurement unit at least acquires a gyro X-axis output signal, a meter adding X-axis output signal, a gyro Y-axis output signal, a meter adding Y-axis output signal, a gyro Z-axis output signal, a meter adding Z-axis output signal and a timestamp. The inertial measurement unit sends the acquired inertial navigation information to a vehicle body gateway; the vehicle body gateway sends a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal and a meter adding Z-axis output signal to the chassis module and the airbag module in a CAN communication mode; the vehicle body gateway sends a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal, a meter adding Z-axis output signal and a timestamp to the vehicle networking module and the intelligent driving high-precision positioning module in an Ethernet communication mode; and the vehicle body gateway sends the gyroscope X-axis output signal, the meter adding X-axis output signal, the gyroscope Y-axis output signal, the meter adding Y-axis output signal, the gyroscope Z-axis output signal and the meter adding Z-axis output signal to the intelligent driving controller in an Ethernet communication mode. The chassis module, the safety airbag module, the internet of vehicles module, the intelligent driving controller and the intelligent driving high-precision positioning module execute corresponding vehicle functions according to the information received by the chassis module, the safety airbag module, the internet of vehicles module, the intelligent driving controller and the intelligent driving high-precision positioning module.
Preferably, the embodiment of the utility model provides a vehicle is still provided, and this vehicle is provided with the information acquisition system who is applied to the vehicle that above-mentioned embodiment provided.
To sum up, the embodiment of the utility model provides an information acquisition system and vehicle for vehicle, this information acquisition system include automobile body gateway, at least individual vehicle function module and an inertia measuring unit. The inertia measurement unit collects inertial navigation information of the vehicle, the collected inertial navigation information is sent to the vehicle function module through the vehicle body gateway, the vehicle function module executes corresponding vehicle functions based on the received inertial navigation information, information collection of each vehicle function module can be achieved through one inertia measurement unit and the vehicle body gateway, and each vehicle function module is not required to be provided with the corresponding inertia measurement unit, so that resources are saved and vehicle production cost is reduced.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, the system or system embodiments are substantially similar to the method embodiments and therefore are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described system and system embodiments are only illustrative, wherein the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An information acquisition system for a vehicle, comprising: the system comprises a vehicle body gateway, at least one vehicle function module and an inertia measurement unit;
the inertia measurement unit is connected with the vehicle body gateway, and the vehicle body gateway is respectively connected with each vehicle function module;
the inertial measurement unit is used for collecting inertial navigation information of a vehicle and sending the collected inertial navigation information to the vehicle function module through the vehicle body gateway, so that the vehicle function module executes corresponding vehicle functions based on the received inertial navigation information.
2. The system of claim 1, wherein the at least one vehicle function module comprises at least a chassis module, an airbag module, a vehicle networking module, a smart driving controller, and a smart driving high-precision positioning module.
3. The system of claim 2, wherein the inertial navigation information collected by the inertial measurement unit includes a plurality of items of information;
the body gateway is specifically configured to: sending first inertial navigation information to the chassis module in a CAN (controller area network) communication mode, so that the chassis module adjusts relevant parameters of a vehicle chassis based on the first inertial navigation information, wherein the first inertial navigation information consists of information used for adjusting the vehicle chassis in the inertial navigation information;
Sending second inertial navigation information to the airbag module in the CAN communication mode, so that the airbag module controls airbags in different areas of the vehicle based on the second inertial navigation information, wherein the second inertial navigation information is composed of information used for controlling the airbags in the inertial navigation information;
sending third inertial navigation information to the Internet of vehicles module in an Ethernet communication mode, so that the Internet of vehicles module executes an Internet of vehicles positioning function based on the third inertial navigation information, wherein the third inertial navigation information consists of information used for executing the Internet of vehicles positioning function in the inertial navigation information;
sending fourth inertial navigation information to the intelligent driving controller in the Ethernet communication mode, so that the intelligent driving controller executes a longitudinal vehicle control function based on the fourth inertial navigation information, wherein the fourth inertial navigation information consists of information used for executing the longitudinal vehicle control function in the inertial navigation information;
and sending fifth inertial navigation information to the intelligent driving high-precision positioning module in an Ethernet communication mode, so that the intelligent driving high-precision positioning module executes the positioning function at the lane level based on the fifth inertial navigation information, wherein the fifth inertial navigation information consists of information used for executing the positioning function at the lane level in the inertial navigation information.
4. The system of claim 3, wherein the first inertial navigation information comprises: the gyroscope X-axis output signal, the adding table X-axis output signal, the gyroscope Y-axis output signal, the adding table Y-axis output signal, the gyroscope Z-axis output signal and the adding table Z-axis output signal.
5. The system of claim 3, wherein the second inertial navigation information comprises: the gyroscope X-axis output signal, the adding table X-axis output signal, the gyroscope Y-axis output signal, the adding table Y-axis output signal, the gyroscope Z-axis output signal and the adding table Z-axis output signal.
6. The system of claim 3, wherein the third inertial navigation information comprises: gyroscope X-axis output signals, accelerometer X-axis output signals, gyroscope Y-axis output signals, accelerometer Y-axis output signals, gyroscope Z-axis output signals, accelerometer Z-axis output signals and timestamps.
7. The system of claim 3, wherein the fourth inertial navigation information comprises: the gyroscope comprises a gyroscope X-axis output signal, a meter adding X-axis output signal, a gyroscope Y-axis output signal, a meter adding Y-axis output signal, a gyroscope Z-axis output signal and a meter adding Z-axis output signal.
8. The system of claim 3, wherein the fifth inertial navigation information comprises: gyroscope X-axis output signals, accelerometer X-axis output signals, gyroscope Y-axis output signals, accelerometer Y-axis output signals, gyroscope Z-axis output signals, accelerometer Z-axis output signals and timestamps.
9. The system of any of claims 1-8, wherein the inertial measurement unit comprises a six-axis inertial measurement unit.
10. A vehicle characterized in that the vehicle is provided with the information collection system for a vehicle according to any one of claims 1 to 9.
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