CN218431134U

CN218431134U - Automobile body area controller and vehicle

Info

Publication number: CN218431134U
Application number: CN202221310721.9U
Authority: CN
Inventors: 王钰超
Original assignee: Hebei Changzheng Automobile Manufacturing Co ltd
Current assignee: Hebei Changzheng Automobile Manufacturing Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2023-02-03
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses an automobile body domain controller and vehicle, wherein automobile body domain controller includes: the system comprises a main processor, and a power management module, a signal acquisition module, a radio frequency signal processing module, a driving module and a communication module which are respectively connected with the main processor. The power management module is configured to protect the circuit and perform power distribution; the signal acquisition module is configured to acquire a vehicle body perception signal; the radio frequency signal processing module is configured to receive and transmit radio frequency signals; the driving module is configured to drive the vehicle body executing mechanism to work; the communication module is configured to communicate with an external device; the main processor is configured to generate a driving signal or a network signal according to the vehicle body sensing signal, the received radio frequency signal and a control signal sent by the external device, and send the driving signal or the network signal to the driving module or the communication module. Therefore, the number of controllers in the vehicle body area can be effectively reduced, and the overall development cost, weight, network load and system complexity of the controllers are reduced.

Description

Automobile body area controller and vehicle

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to a car body domain controller and vehicle.

Background

A vehicle body control system, in particular to a heavy truck body control system, mainly relates to a distributed vehicle body control architecture, wherein the control architecture comprises a plurality of controllers with lower operation speed and lower integration level, and the controllers are connected through a CAN (Controller Area Network)/LIN (Local Interconnect Network) bus to form the distributed vehicle body control system. As the demand for vehicle functions increases in the market, the number of controllers arranged on the vehicle is increased, and the complexity and development cost of the vehicle control system are increased.

Disclosure of Invention

The present invention aims at solving one of the technical problems in the related art at least to a certain extent. Therefore, the utility model discloses a first aim at provides a car body territory controller, its combination heavily blocks whole car electrical architecture and market development trend, the part controller in the integrated car body distributed architecture system of physics to integrated software algorithm can effectively reduce the controller quantity in the car body territory, thereby help reducing the weight of controller, total development cost, network load and system complexity, and then be favorable to reducing part weight, reduce whole car development cost and improve system reliability.

A second object of the present invention is to provide a vehicle.

In order to achieve the above object, an embodiment of the present invention provides a vehicle body area controller, including: the signal acquisition module is configured to acquire a vehicle body perception signal; a radio frequency signal processing module configured to receive and transmit radio frequency signals; the driving module is configured to drive the vehicle body executing mechanism to work; a communication module configured to communicate with an external device; the power management module is configured to protect the circuit and distribute power; the main processor is respectively connected with the signal acquisition module, the radio frequency signal processing module, the driving module, the power management module and the communication module, and the main processor is configured to generate a driving signal or a network signal according to the vehicle body sensing signal, the received radio frequency signal and a control signal sent by external equipment and send the driving signal or the network signal to the driving module or the communication module, so that the driving module drives the vehicle body execution mechanism to work according to the driving signal or other parts execute corresponding instructions according to the network signal.

According to the utility model discloses automobile body territory controller, gather automobile body perception signal through signal acquisition module, and receive and launch radio frequency signal through radio frequency signal processing module, and drive automobile body actuating mechanism work through drive module, and communicate with external equipment through communication module, and through host processor and signal acquisition module, radio frequency signal processing module, drive module, power management module and communication module link to each other respectively, come for according to automobile body perception signal, the control signal generation drive signal or the network signal that received radio frequency signal and external equipment sent, and send to drive module or communication module, make drive module drive automobile body actuating mechanism work or other parts according to network signal execution corresponding instruction according to drive signal. The electric structure and the market development trend of the heavy truck are combined, part of controllers in a distributed structure system of the truck body are physically integrated, and a software algorithm is integrated, so that the number of the controllers in the truck body area can be effectively reduced, the weight, the total development cost, the network load and the system complexity of the controllers are reduced, the part weight is reduced, the development cost of the whole truck is reduced, and the system reliability is improved.

According to the utility model discloses an embodiment, automobile body perception signal includes automobile body perception digital signal and automobile body perception analog signal, and signal acquisition module includes: the digital signal acquisition submodule is configured to acquire a vehicle body perception digital signal and send the vehicle body perception digital signal to the main processor; the analog signal acquisition submodule is configured to acquire a vehicle body perception analog signal and send the vehicle body perception analog signal to the main processor.

According to the utility model discloses an embodiment, radio frequency signal processing module includes: the low-frequency signal processing submodule is configured to receive a low-frequency signal, send the low-frequency signal to the main processor and transmit the low-frequency signal outwards under the control of the main processor; a high frequency signal processing sub-module configured to receive the high frequency signal and transmit to the main processor.

According to an embodiment of the utility model, the high frequency signal includes the high frequency signal of remote control key and tire pressure sensor transmission.

According to the utility model discloses an embodiment, high frequency signal processing submodule piece includes single channel radio frequency chip or multichannel radio frequency chip.

According to the utility model discloses an embodiment, automobile body actuating mechanism includes relay, power load and motor load, and drive module includes: the relay driving submodule is configured to drive the relay to act in a low-side driving mode or a high-side driving mode; the power load driving submodule is configured to drive the power load to work in a high-side driving mode; a motor load drive submodule configured to drive the motor load forward or reverse.

According to an embodiment of the present invention, the communication module includes at least one of a LIN communication sub-module, a CAN communication sub-module, and an ethernet communication sub-module.

According to one embodiment of the present invention, the main processor includes a TC397 chip.

In order to achieve the above object, a second embodiment of the present invention provides a vehicle, including the above body area controller.

According to the utility model discloses the vehicle, gather automobile body perception signal through signal acquisition module, and receive and launch radio frequency signal through radio frequency signal processing module, and drive automobile body actuating mechanism work through drive module, and communicate with external equipment through communication module, and through host processor and signal acquisition module, radio frequency signal processing module, drive module, power management module and communication module link to each other respectively, come for according to automobile body perception signal, the control signal generation drive signal or the network signal that the radio frequency signal of receipt and external equipment sent, and send to drive module or communication module, make drive module according to drive signal drive automobile body actuating mechanism work or other parts according to network signal execution corresponding instruction. The electric structure and the market development trend of the heavy truck are combined, part of controllers in a distributed structure system of the truck body are physically integrated, and a software algorithm is integrated, so that the number of the controllers in the truck body area can be effectively reduced, the weight, the total development cost, the network load and the system complexity of the controllers are reduced, the part weight is reduced, the development cost of the whole truck is reduced, and the system reliability is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a block diagram illustrating a structure of a heavy truck distributed body control system in the related art;

fig. 2 is a block diagram of a body domain controller according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a body area control system architecture according to an embodiment of the present invention;

fig. 4 is a block diagram of a body area controller according to another embodiment of the present invention;

fig. 5 is a block diagram of a vehicle according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

Fig. 1 is a block diagram of a heavy truck distributed body control system in the related art, and referring to fig. 1, the distributed body control system 100 mainly includes: a gateway 101, a PEPS (Passive Entry and Start system) controller 102, a door controller 103, a seat controller 104, a body controller 105, an air conditioning controller 106, a tire pressure monitoring controller 107, a low speed warning controller 108, a sunroof controller 109, a sun blind controller 110, a left/right turn warning controller 111, a steering wheel heating/adjusting controller 112, and a cabin system/chassis system controller 113. The controllers have low operation speed and integration level and are connected through a CAN/LIN bus to form a distributed control system. With the increasing demand for vehicle functions in the market, the number of vehicle body controllers is also increasing, and the complexity and development cost of a vehicle control system are further increasing.

Specifically, the distributed control system is easy to cause a series of problems due to the large number of controllers: firstly, each controller needs to pay corresponding development cost and management cost, so that the development cost of the whole vehicle is increased; secondly, the bus load increase of The CAN/LIN local area network is easy to cause signal loss and bus jam, and for The OTA (Over The air technology, space download technology) function, the software version management is complex; moreover, the system has high complexity and poor stability, and the probability of system abnormity and the difficulty of troubleshooting are increased; in addition, the weight of the parts is increased, which is not favorable for the light weight design of the vehicle.

Based on this, the application provides a vehicle body domain controller, which combines the electric architecture and market development trend of a heavy truck, physically integrates part of controllers in a distributed architecture system of a sub-vehicle body, integrates a software algorithm, and can effectively reduce the number of the controllers in the vehicle body domain, thereby being beneficial to reducing the weight of the controllers, the overall development cost, the network load and the system complexity, further being beneficial to reducing the part weight, reducing the development cost of the whole vehicle and improving the system reliability.

The following describes a body area controller and a vehicle provided by embodiments of the present invention with reference to the drawings.

Fig. 2 is a block diagram of a body area controller according to an embodiment of the present invention, and referring to fig. 2, the body area controller 200 includes a signal acquisition module 201, a radio frequency signal processing module 202, a driving module 203, a communication module 204, a main processor 205, and a power management module 206.

Wherein, the signal acquisition module 201 is configured to acquire a vehicle body perception signal; the radio frequency signal processing module 202 is configured to receive and transmit radio frequency signals; the driving module 203 is configured to drive the vehicle body executing mechanism to work; the communication module 204 is configured to communicate with an external device; the power management module 206 is configured to protect circuitry and to distribute power; the main processor 205 is connected to the signal acquisition module 201, the radio frequency signal processing module 202, the driving module 203, the power management module 206 and the communication module 204, respectively, and the main processor 205 is configured to generate a driving signal or a network signal according to a vehicle body sensing signal, a received radio frequency signal and a control signal sent by an external device and send the driving signal or the network signal to the driving module 203 or the communication module 204, so that the driving module 203 drives the vehicle body execution mechanism to work according to the driving signal or other parts execute a corresponding instruction according to the network signal.

Specifically, the signal acquisition module 201 is configured to acquire a vehicle body sensing signal, and transmit the acquired signal to the main processor 205, where the vehicle body sensing signal may include one or more of a vehicle window switch signal, an air conditioner control signal, a seat control signal, a tire pressure monitoring signal, an alarm control signal, a steering wheel heating signal, a steering wheel adjustment signal, and the like, and may be a digital quantity signal or an analog quantity signal; the rf signal processing module 202 is configured to receive an rf signal, send the rf signal to the main processor 205, and send the rf signal according to an instruction of the main processor 205, where the rf signal may be a high-frequency rf signal or a low-frequency rf signal; the driving module 203 is used for driving a vehicle body execution mechanism to work according to an instruction of the main processor 205, wherein the vehicle body execution mechanism can be a relay, a power load, a motor load and the like used for driving a vehicle door, a tire pressure monitoring device, an alarm speaker, a seat, an air conditioner or a steering wheel heating/adjusting device and the like; the communication module 204 is used for communicating with an external device, and in a specific example, the communication module 204 may include a LIN communication sub-module, a CAN communication sub-module, or an ethernet communication sub-module; the power management module 206 is configured to supply power to the signal acquisition module 201, the radio frequency signal processing module 202, the driving module 203, the communication module 204, and the main processor 205, and perform circuit protection, where the circuit protection may include one or more of overload protection, temperature protection, short circuit protection, and reverse connection protection; the body domain Controller 200 may integrate a gateway function, an outer light control function, an inner light control function, a wiper/wash control function, a rearview mirror control function, a door lock control function, a door and window control function, a seat control function, a power mode control function, a keyless entry and keyless start function, a body anti-theft function, a remote key control function, a sunroof control function, a shade control function, an air conditioner control function, a remote control function, a steering wheel heating/adjusting function, a switching signal conversion function, a low-speed travel prompting function, a left-right turning and reversing prompting function, a shaft difference/wheel difference adjusting function, and a tire pressure monitoring function, and in a specific example, the domain Controller main chip may employ a 397 chip, which may have a Controller local Area Network With a Flexible variable Data Rate (LIN) and 12 ways to satisfy the requirements for an I/O (Input/Output) interface and a computing force.

In a specific example, the body area controller may integrate hardware and software of devices such as a body controller, a PEPS, a gateway, a sunroof controller, and a sunshade controller, and integrate software of a door controller, a tire pressure monitoring device, an alarm speaker, a seat controller, an air conditioning controller, and a steering wheel heating/adjusting controller, so that they are merely reserved as driving modules, and form a body area control system architecture as shown in fig. 3. Referring to fig. 3, the body area controller 200 integrates relevant software and is connected to an area controller 307 such as a door driving module 301, a seat driving module 302, an air conditioner driving module 303, a tire pressure monitoring driving module 304, an alarm speaker driving module 305, a steering wheel heating/adjusting driving module 306, and a cabin area/chassis area, respectively. When the body area controller 200 operates, as shown in fig. 2, the main processor 205 may generate a driving signal or a network signal according to the body sensing signal acquired by the signal acquisition module 201, the radio frequency signal transmitted by the radio frequency signal processing module 202, and the control signal transmitted by the external device, and then transmit the driving signal to the driving module 203, so that the driving module 203 drives the body actuator to operate according to the driving signal, or transmit a network signal (such as a LIN signal, a CAN signal, or an ethernet signal) to the communication module 204, so that other components (i.e., components receiving the network signal) execute a corresponding instruction according to the network signal. Because the door driving module 301, the seat driving module 302, the air conditioner driving module 303, the tire pressure monitoring driving module 304, the alarm speaker driving module 305, and the steering wheel heating/adjusting driving module 306 only perform signal collection and driving execution, but do not perform logic judgment and operation, compared with a conventional controller, the door driving module 301, the seat driving module 302, the air conditioner driving module 303, the tire pressure monitoring driving module 304, the alarm speaker driving module 305, and the steering wheel heating/adjusting driving module 306 have simpler software and hardware development and lower development cost, and can effectively reduce the system complexity and the signal load of a network.

It is understood that the body area controller in this embodiment can be used for heavy trucks, and can also be used for other applicable vehicle types.

According to the vehicle body domain controller provided by the embodiment of the invention, a vehicle body sensing signal is acquired through the signal acquisition module, a radio frequency signal is received and transmitted through the radio frequency signal processing module, the vehicle body execution mechanism is driven to work through the driving module, the vehicle body execution mechanism is communicated with external equipment through the communication module, and the main processor is respectively connected with the signal acquisition module, the radio frequency signal processing module, the driving module, the power management module and the communication module to generate a driving signal or a network signal according to the vehicle body sensing signal, the received radio frequency signal and a control signal sent by the external equipment and send the driving signal or the network signal to the driving module or the communication module, so that the driving module drives the vehicle body execution mechanism to work according to the driving signal or other parts execute corresponding instructions according to the network signal. The electric structure and the market development trend of the heavy truck are combined, part of controllers in a distributed structure system of the truck body are physically integrated, and a software algorithm is integrated, so that the number of the controllers in the truck body area can be effectively reduced, the weight, the total development cost, the network load and the system complexity of the controllers are reduced, the part weight is reduced, the development cost of the whole truck is reduced, and the system reliability is improved.

In one embodiment, referring to fig. 4, the body area controller 200 includes a main processor 205, and a signal acquisition module 201, a radio frequency signal processing module 202, a driving module 203, a communication module 204, and a power management module 206 respectively connected to the main processor 205. The body-aware signal may include a body-aware digital signal and a body-aware analog signal, and accordingly, the signal acquisition module 201 may include a digital signal acquisition sub-module 2011 and an analog signal acquisition sub-module 2012. The digital signal acquisition sub-module 2011 is configured to acquire a body-aware digital signal and send the body-aware digital signal to the main processor 205; the analog signal acquisition sub-module 2012 is configured to acquire a body-aware analog signal and send the body-aware analog signal to the main processor 205; the power management module 206 is configured to protect circuits and perform power distribution, and provides circuit protection and power distribution for the signal acquisition module 201, the rf signal processing module 202, the driving module 203, the communication module 204, and the main processor 205.

In one embodiment, as shown with continued reference to fig. 4, the radio frequency signal processing module 202 includes a low frequency signal processing sub-module 2021 and a high frequency signal processing sub-module 2022. The low-frequency signal processing sub-module 2021 is configured to receive the low-frequency signal and send it to the main processor 205, and transmit the low-frequency signal to the outside under the control of the main processor 205; the high frequency signal processing sub-module 2022 is configured to receive the high frequency signal and send to the main processor 205. Alternatively, the high-frequency signal processing sub-module 2022 may include a single-channel radio-frequency chip or a multi-channel radio-frequency chip.

Further, the high frequency signal may comprise a high frequency signal of a key fob. In a specific example, the low frequency signal processing sub-module 2021 may transmit a low frequency signal to trigger the key fob using the low frequency signal, the high frequency signal processing sub-module 2022 may transmit a high frequency signal to the high frequency signal processing sub-module 2022 when the key fob is triggered, the high frequency signal processing sub-module 2022 may transmit the high frequency signal to the main processor 205, and the main processor 205 may determine a position of the key fob according to the high frequency signal to perform keyless start of the vehicle based on the position of the key fob, thereby enabling keyless start of the vehicle through the low frequency signal processing sub-module 2021, the high frequency signal processing sub-module 2022, and the main processor 205. It is understood that the high frequency signal may also include a high frequency signal emitted by a tire pressure sensor or other sensors, and the present application is not particularly limited thereto.

In one embodiment, the body actuators may include relays, power loads, and motor loads, and as shown with reference to fig. 4, the drive module 203 includes a relay drive sub-module 2031, a power load drive sub-module 2032, and a motor load drive sub-module 2033. The relay driving submodule 2031 is configured to drive the relay to operate in a low-side driving mode or a high-side driving mode; the power load driving sub-module 2032 is configured to drive the power load to work in a high-side driving manner; the motor load drive sub-module 2033 is configured to drive the motor load forward or reverse.

In one embodiment, the communication module 204 includes at least one of a LIN communication sub-module 2041, a CAN communication sub-module 2042, and an ethernet communication sub-module 2043. The LIN communication sub-module 2041 may be configured to communicate with an external device by receiving or transmitting a LIN signal; the CAN communication sub-module 2042 may be configured to communicate with an external device by receiving or transmitting a CAN signal; the ethernet communication sub-module 2043 may be used to communicate with external devices by receiving or transmitting ethernet signals.

Fig. 5 is a block diagram of a vehicle according to an embodiment of the present invention. As shown with reference to fig. 5, the vehicle 1000 includes the body area controller 200 described above.

It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions.

It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.

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 do not necessarily 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, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A body domain controller, comprising:

a signal acquisition module configured to acquire a vehicle body perception signal;

a radio frequency signal processing module configured to receive and transmit radio frequency signals;

the driving module is configured to drive the vehicle body executing mechanism to work;

a communication module configured to communicate with an external device;

a power management module configured to protect circuitry and to distribute power;

the main processor is connected with the signal acquisition module, the radio frequency signal processing module, the driving module, the power management module and the communication module respectively, and the main processor is configured to generate a driving signal or a network signal according to the vehicle body sensing signal, the received radio frequency signal and a control signal sent by the external device and send the driving signal or the network signal to the driving module or the communication module, so that the driving module drives the vehicle body execution mechanism to work according to the driving signal or other parts execute corresponding instructions according to the network signal.

2. The body domain controller of claim 1, wherein the body-aware signals comprise body-aware digital signals and body-aware analog signals, the signal acquisition module comprising:

a digital signal acquisition sub-module configured to acquire the body-aware digital signal and send it to the main processor;

an analog signal acquisition submodule configured to acquire the body-aware analog signal and send the body-aware analog signal to the main processor.

3. The body domain controller of claim 1, wherein the radio frequency signal processing module comprises:

a low frequency signal processing sub-module configured to receive and transmit a low frequency signal to the main processor, and to transmit the low frequency signal outwards under control of the main processor;

a high frequency signal processing sub-module configured to receive a high frequency signal and transmit to the main processor.

4. The body area controller of claim 3, wherein the high frequency signals include high frequency signals transmitted by a key fob and a tire pressure sensor.

5. The body domain controller of claim 4, wherein the high frequency signal processing sub-module comprises a single channel radio frequency chip or a multi-channel radio frequency chip.

6. The body domain controller of claim 1, wherein the body actuators include relays, power loads, and motor loads, and the drive module includes:

a relay drive submodule configured to drive the relay to operate in a low-side drive mode or a high-side drive mode;

a power load driving submodule configured to drive the power load to work in a high-side driving manner;

a motor load drive sub-module configured to drive the motor load forward or reverse.

7. The body domain controller of claim 1, wherein the communication module comprises at least one of a LIN communication sub-module, a CAN communication sub-module, and an ethernet communication sub-module.

8. The body domain controller of claim 1, wherein the primary processor includes a TC397 chip.

9. A vehicle comprising a body domain controller according to any one of claims 1 to 8.