CN217159736U

CN217159736U - CAN network topology structure based on BCM and VCU integrated controller

Info

Publication number: CN217159736U
Application number: CN202220926724.9U
Authority: CN
Inventors: 温江; 田斌; 武向阳; 倪学杰; 卢耀超; 邵伟刚; 陈鹏; 刘鹏飞
Original assignee: Weichai Yangzhou Special Vehicle Co Ltd
Current assignee: Weichai Yangzhou Special Vehicle Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-09
Anticipated expiration: 2032-04-20

Abstract

The utility model belongs to the technical field of pure electric dumper, a CAN network topology structure based on BCM and VCU integrated controller is provided, the CAN network topology structure comprises a first CAN network and a second CAN network, the first CAN network is used for conventional drive control, the second CAN network is used for unmanned control; the integrated controller is respectively connected with the first CAN network and the second CAN network, the integrated controller comprises a whole vehicle controller and at least one vehicle body controller, and the BCM controller and the VCU controller are electrically connected to realize data interaction. By adopting the technical scheme, the BCM and the VCU are integrated, so that the number of messages on the CAN bus is reduced, the load rate of the bus is reduced, the cost is reduced, fault points are reduced, and the reliability of data transmission is improved.

Description

CAN network topology structure based on BCM and VCU integrated controller

Technical Field

The utility model relates to a pure electric dump truck network technical field, concretely relates to CAN network topology structure based on BCM and VCU integrated control ware.

Background

The intelligent driving mine card linear control chassis is generally composed of a vehicle body control system (BCM), a chassis domain controller (VCU), a steering controller (EPS), an electronic parking system (EPB), an Electronic Brake System (EBS) and the like, CAN bus communication is adopted among modules, the transmission rate is high, the bus load rate is high, and meanwhile, due to the fact that the modules are dispersed, the cost is increased, the fault rate is increased, how to improve the system integration level is improved, the bus load rate is reduced, and the system cost is reduced is very important.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a CAN network topology structure based on BCM and VCU integrated control ware to module dispersion leads to the high problem of bus load rate among the current CAN bus connection of solution.

The utility model provides a CAN network topology structure based on BCM and VCU integrated controller, CAN network topology structure includes first CAN network and second CAN network, first CAN network is used for chassis drive control, the second CAN network is used for unmanned control;

the integrated controller respectively with first CAN network with second CAN internet access, integrated controller includes vehicle control unit and at least a vehicle body controller, the vehicle body controller with electric connection realizes the data interaction between the vehicle control unit.

According to the above technical scheme, the utility model provides a pair of CAN network topology based on BCM and VCU integrated control ware through with BCM and VCU integrated together, reduces the message quantity on the CAN bus to reduce bus load rate, reduce cost, reduce the fault point simultaneously, improved data transmission's reliability.

Optionally, the first CAN network includes a first CAN bus, and the first CAN network further includes a TMS, a combination meter, a TBOX, an EPB, and an EBS, and the TMS, the combination meter, the TBOX, the EPB, and the EBS are respectively connected to the first CAN bus.

Optionally, the first CAN network further includes a steering controller and a ramp sensor, which are also connected to the first CAN bus, respectively.

Optionally, the second CAN network includes a second CAN bus, the second CAN network further includes an industrial personal computer, a combined navigation and sensing system, and the industrial personal computer, the combined navigation and the sensing system are all connected with the second CAN bus.

Optionally, the second CAN network further includes a CAN data recorder, and the CAN data recorder is connected to the second CAN bus.

By adopting the technical scheme, the method has the following technical effects:

the utility model provides a pair of CAN network topology based on BCM and VCU integrated control ware through being in the same place BCM and VCU integration, reduces the message quantity on the CAN bus to reduce bus load rate, simultaneously reduce cost, reduction fault point have improved data transmission's reliability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic diagram of a CAN network topology structure based on BCM and VCU integrated controllers provided by an embodiment of the present invention.

Reference numerals:

1-a first CAN network; 2-a second CAN network; 3-integrated controller.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Fig. 1 is a schematic diagram of a CAN network topology structure based on BCM and VCU integrated controllers provided by an embodiment of the present invention; as shown in fig. 1, the CAN network topology based on the BCM and VCU integrated controller provided in this embodiment includes a first CAN network 1 and a second CAN network 2, where the first CAN network 1 is used for conventional drive control, and the second CAN network 2 is used for unmanned control;

the integrated controller 3 is respectively connected with the first CAN network 1 and the second CAN network 2, the integrated controller 3 comprises a whole vehicle controller and at least one vehicle body controller, and the BCM controller and the VCU controller are electrically connected to realize data interaction.

The utility model provides a pair of CAN network topology based on BCM and VCU integrated control ware through being in the same place BCM and VCU integration, reduces the message quantity on the CAN bus to reduce bus load rate, reduce cost, reduce the fault point simultaneously, improved data transmission's reliability.

In the present embodiment, the integrated controller 3 mainly integrates two BCM controllers (model: ART-B62040, ART-B62050, respectively) and one VCU controller (model: WISE 40). Before integration, the BCM controller and the VCU controller realize data interaction through a CAN bus; after integration, the BCM controller and the VCU controller are integrated into an integrated controller 3, and data interaction is realized through the electrical connection of the integrated controller, so that the load of a CAN bus is not occupied.

Optionally, the first CAN network 1 includes a first CAN bus, and the first CAN network further includes a TMS, a combination meter, a TBOX, an EPB, and an EBS, and the TMS, the combination meter, the TBOX, the EPB, and the EBS are respectively connected to the first CAN bus.

In this embodiment, the network topology is divided into the first CAN network 1 and the second CAN network 2 to be connected to the conventional drive and the unmanned control respectively, so that the unmanned and chassis control CAN operate independently, the load of a single CAN bus is reduced, and data interference between the two CAN buses is avoided.

Optionally, the first CAN network 1 further comprises a steering controller and a ramp sensor, which are also connected to the first CAN bus, respectively.

Referring to fig. 1, the second CAN network 2 includes a second CAN bus, the second CAN network 2 further includes an industrial personal computer and a combined navigation and sensing system, and the industrial personal computer and the combined navigation and sensing system are all connected with the second CAN bus. The industrial personal computer and the combined navigation and sensing system are used for realizing unmanned driving, and the unmanned driving control part is separated out in the embodiment, so that the bus load rate is reduced, and the data reliability of the unmanned driving control is improved.

Referring to fig. 1, the second CAN network 2 further comprises a CAN data recorder, which is connected to the second CAN bus. The CAN data recorder CAN collect CAN bus data and positioning information in real time and record error frames so as to ensure normal operation of the CAN bus and improve the reliability of CAN bus data transmission.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A CAN network topology structure based on BCM and VCU integrated controller is characterized in that the CAN network topology structure comprises a first CAN network and a second CAN network, the first CAN network is used for chassis control, and the second CAN network is used for unmanned control;

the integrated controller is respectively connected with the first CAN network and the second CAN network, the integrated controller comprises a vehicle controller and at least one vehicle body controller, and the vehicle body controller is electrically connected with the vehicle controller to realize data interaction.

2. The BCM and VCU integrated controller-based CAN network topology of claim 1, wherein the first CAN network comprises a first CAN bus, the first CAN network further comprising a TMS, a cluster, a TBOX, an EPB, and an EBS, the TMS, the cluster, the TBOX, the EPB, and the EBS being connected to the first CAN bus, respectively.

3. The BCM and VCU integrated controller-based CAN network topology of claim 2, wherein said first CAN network further comprises a steering controller and a ramp sensor, said steering controller and said ramp sensor also being respectively connected to said first CAN bus.

4. The CAN network topology based on BCM and VCU integrated controllers as in claim 1, wherein said second CAN network comprises a second CAN bus, said second CAN network further comprises an industrial personal computer, a combined navigation and sensing system, said industrial personal computer, said combined navigation and said sensing system are all connected to said second CAN bus.

5. The BCM and VCU integrated controller-based CAN network topology of claim 4, wherein said second CAN network further comprises a CAN data logger, said CAN data logger connected to said second CAN bus.