CN211308456U

CN211308456U - Vehicle-mounted domain controller and vehicle

Info

Publication number: CN211308456U
Application number: CN201922403608.XU
Authority: CN
Inventors: 亓浩名; 于文成
Original assignee: Beijing Jingwei Hirain Tech Co Ltd
Current assignee: Beijing Jingwei Hirain Tech Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-08-21
Anticipated expiration: 2029-12-27

Abstract

The embodiment of the utility model discloses on-vehicle domain controller and vehicle, include: gateways and TBOX; the gateway is connected with the TBOX through an FPC (flexible printed circuit); a gateway, comprising: the first control unit is connected with the FPC and the information transceiving module respectively; TBOX comprises: the second control unit is connected with the FPC and the storage unit respectively. The utility model discloses the scheme has realized the control to the vehicle, need not to be connected gateway and TBOX through the CAN network and CAN reduce the pencil cost to CAN reduce the size improvement product installation's of product flexibility.

Description

Vehicle-mounted domain controller and vehicle

Technical Field

The utility model relates to a vehicle control field especially relates to an on-vehicle domain controller and vehicle.

Background

With the continuous development of information technology, the intellectualization degree of automobiles is higher and higher, and the auxiliary entertainment function is more and more popular with people. Microsoft developed a system for Telematics (TBOX) specifically in 2002, and attempted to be generalized in the automotive industry. Specifically, the TBOX can store a large amount of key data and transmit the data to the background server, so that the background can analyze the state of the automobile, timely process key problems and ensure that the automobile can stably run. Currently, more and more automobiles are being installed with TBOX.

At present, in the vehicle-mounted system, the gateway and the TBOX are connected through a Controller Area Network (CAN) network, and the gateway and the TBOX are separated, that is, the gateway and the TBOX are two independent hardware structures.

In the prior art, a gateway and a TBOX are connected through a CAN network and transmit data, the communication rate is influenced by the CAN network, and the maximum rate CAN only reach 1-5 Mbps. Meanwhile, the gateway is separated from the TBOX, which causes problems of increased wiring harness cost, excessively large product volume, increased housing cost, inconvenience in installation in the interior of the automobile, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an on-vehicle domain controller and vehicle has realized the control to the vehicle to can reduce the wiring harness cost, improve the flexibility of product installation when reducing the size of product.

In a first aspect, an embodiment of the present invention provides an on-vehicle domain controller, which includes:

gateways and TBOX; the gateway and the TBOX are connected through a Flexible Printed Circuit (FPC);

the gateway includes: the first control unit is connected with the FPC and the information transceiving module respectively;

the TBOX comprises: the second control unit is connected with the FPC and the storage unit respectively.

Optionally, the information transceiver module specifically includes at least one of the following: the system comprises an Ethernet switch, a CAN network unit with flexible data rate and a low-power-consumption Bluetooth module;

the Ethernet switch is internally provided with at least one Ethernet port physical layer and is used for communicating with the Ethernet of the vehicle;

the Ethernet switch, the CAN network unit with flexible data rate and the low-power Bluetooth module are respectively used for being in communication connection with the first control unit.

Optionally, the first control unit is connected to the ethernet switch through at least one interface of SGMII, MII, or RMII; the port physical layer built in the Ethernet switch comprises: the Ethernet switch is connected with the second control unit; a port physical layer of a vehicular Ethernet, and/or a port physical layer of an industrial Ethernet.

Optionally, the second control unit is configured to receive, through the FPC and/or the ethernet switch, the key information sent by the first control unit, transmit the key information to the backend server through a fifth generation mobile communication technology (5th generation mobile networks, 5G) module, and receive a data processing result fed back by the backend server.

Optionally, the TBOX further comprises: the device comprises an audio unit, a wireless local area network unit and a high-precision positioning module; the audio unit, the wireless local area network unit and the high-precision positioning module are respectively connected with the second control unit.

Optionally, the second control unit is equipped with a LINUX operating system and integrates a 5G module and/or a vehicular wireless communication technology (Vehicle to X, V2X) baseband.

Optionally, the audio unit broadcasts the key information and/or the data processing result; alternatively, the first and second electrodes may be,

providing the key information and/or the data processing result to an external device for voice broadcasting or conversation through the low-power-consumption Bluetooth module or the audio connecting line; alternatively, the first and second electrodes may be,

and carrying out voice communication with the background server through the MIC.

Optionally, at least one of a Universal Asynchronous Receiver/Transmitter (UART), a Serial Peripheral Interface (SPI), and a PCIe port in the first control unit in the gateway and the second control unit in the TBOX is connected through the FPC.

In a second aspect, the present invention provides a vehicle, where the vehicle includes the vehicle-mounted domain controller according to any one of the embodiments of the present invention.

The utility model discloses the scheme of embodiment, include: gateways and TBOX; the gateway is connected with the TBOX through a flexible printed circuit board FPC; a gateway, comprising: the first control unit is connected with the FPC and the information transceiving module respectively; TBOX comprises: the second control unit is connected with the FPC and the storage unit respectively. The utility model discloses the scheme has realized being connected gateway and TBOX through the CAN network to the control of vehicle, need not to reduce the pencil cost to CAN reduce the size improvement product installation's of product flexibility.

Drawings

Fig. 1 is a schematic structural diagram of an in-vehicle domain controller according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another vehicle-mounted domain controller according to an embodiment of the present invention.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted, and the technical effects achieved by the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments, but not all embodiments, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the embodiments of the present invention.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

Fig. 1 is a schematic structural diagram of a vehicle domain controller according to an embodiment of the present invention, as shown in fig. 1, the vehicle domain controller includes a gateway 110 and a TBOX120, wherein the gateway 110 and the TBOX120 are connected through an FPC 130.

Specifically, the gateway 110 may be configured to receive vehicle information of the adapted vehicle, wherein the vehicle adapted by the gateway 110 is a vehicle on which the vehicle-mounted domain controller is installed in the embodiment of the present invention; after gateway 110 receives the vehicle information of the adapted vehicle, the received vehicle information may be screened, and the screened key information may be transmitted to TBOX120 through FPC 130. It should be noted that, the gateway itself has the functions of data screening and transmission in the prior art, the present invention aims to provide a hardware architecture combining TBOX and gateway, and the software processing process is only used for describing the working principle.

Specifically, the FPC130 is a flexible printed circuit board made of a polyimide or polyester film as a base material, which has high reliability and is excellent. It has the characteristics of high wiring density, light weight, thin thickness and good bending property. The embodiment of the utility model provides an in, realize gateway 110 and TBOX 120's connection through FPC130, the installation of the on-vehicle domain controller of being convenient for can reduce the structure size effectively, can transmit high-speed signal simultaneously. While the common pin header is easy to generate reflection when transmitting high-speed signals.

It should be noted that the vehicle information received by the gateway 110 may include information transmitted by all networks in the vehicle, for example, vehicle information such as vehicle fuel amount information, vehicle status information, and vehicle key information. Gateway 110 screens the received vehicle information to obtain vehicle key information, and sends the screened key information to TBOX120, where the key information may be, for example, vehicle status information or vehicle fuel quantity information, which relates to vehicle safety.

Specifically, after receiving the key information sent by gateway 110 through FPC130, TBOX120 may store the received key information or send the key information to a background server. In a specific example of the embodiment of the present invention, TBOX120 may send the received key information to the backend server, and the backend server processes the key information, so as to better understand the status information of the vehicle, and provide important guarantee for the safe driving of the vehicle.

Specifically, the gateway 110 may specifically include a first control unit 111 and an information transceiver module 112, where the first control unit 111 is connected to the FPC130 and the information transceiver module 112, respectively.

Specifically, the information transceiver module 112 is configured to receive vehicle information of a vehicle, and send the vehicle information to the first control unit 111 for processing; the first control unit 111 is configured to screen the received vehicle information, transmit the screened key information to the TBOX120 through the FPC130, and send the remaining screened information to the information transceiver module 112; the information transceiving module 112 forwards the screened remaining information to other modules of the vehicle.

Specifically, after receiving the vehicle information, the information transceiver module 112 sends the vehicle information to the first control unit 111 for processing; after receiving the vehicle information sent by the information transceiver module 112, the first control unit 111 screens the vehicle information, transmits the screened key information to the TBOX120 through the FPC130, and sends the rest information to the information transceiver module 112; for example, the key information may be vehicle state information or vehicle fuel quantity information and other information related to vehicle safety; the rest of the information is the vehicle information received by the information transceiver module 112 except the key information. The information transceiver module 112 is configured to forward the rest of the information filtered by the first control unit 111 to other modules of the vehicle.

Optionally, the information transceiver module 112 may include: at least one of an Ethernet switch, a CAN network unit with flexible data rate, and a Bluetooth low energy module; the Ethernet switch, the CAN network unit with flexible data rate and the low-power consumption Bluetooth module are respectively used for being in communication connection with the first control unit. The Ethernet switch is internally provided with at least one port physical layer of Ethernet and can be used for communicating with the Ethernet of the whole vehicle; a CAN network unit with flexible data rate, which CAN be used for communicating with a CAN network of a vehicle; the low-power Bluetooth module can be used for performing long-distance Bluetooth communication with external equipment in the vehicle.

Optionally, the first control unit 111 may be connected to the ethernet switch through at least one interface of SGMII, MII, or RMII; it should be noted that the ethernet switch may also be connected to the second control unit 121; the information that first control unit 111 gathered can transmit to second control unit 121 through FPC130, also can transmit to second control unit 121 through the ethernet switch, the embodiment of the utility model provides a do not limit it. The port physical layer built in the ethernet switch may include: a port physical layer of a vehicular Ethernet and/or a port physical layer of an industrial Ethernet.

Specifically, TBOX120 may include: a second control unit 121 and a storage unit 122, the second control unit 121 being connected to the FPC130 and the storage unit 122, respectively.

Specifically, the second control unit 121 receives the key information sent by the first control unit 111 through the FPC and/or the ethernet switch, transmits the key information to the backend server through the 5G module or the 4G module, and receives a data processing result fed back by the backend server. It should be noted that the TBOX itself has a remote communication function with the background server, and is used here only for illustrating the working process of the present invention, and does not protect the specific software processing logic.

It should be noted that, in the embodiment of the present invention, the key information can also be transmitted to the background server through other information communication modules, which is not described again in the embodiment of the present invention, but is not limited in the embodiment of the present invention; then receiving a data processing result of the background server; the storage unit 122 is configured to store the key information and/or the data processing result of the background server received by the second control unit 121; storage unit 122 may also be used to forward critical information and/or data processing results of background servers received by second control unit 121 to other modules of TBOX 120.

Specifically, the second control unit 121 receives the key information sent by the first control unit 111 through the FPC130 and/or the ethernet switch, and transmits the received key information to the backend server through the 5G module, and the backend server processes the key information and feeds back a processing result to the second control unit 121; the storage unit 122 may store the key information received by the second control unit 121 and/or the data processing result of the background server received by the second control unit 121, and may also forward the key information and/or the data processing result of the background server received by the second control unit 121 to other modules of the TBOX 120.

It should be noted that the second control unit 121 is equipped with a LINUX operating system, and can execute multiple tasks in parallel, that is, the operating system of the second control unit 121 is LINUX, which can execute multiple tasks simultaneously. And the second control unit 121 integrates a 5G module and a V2X baseband; specifically, the second control unit 121 may transmit the data processing result to other vehicles through the V2X baseband, so as to ensure safe driving of the vehicles in a wide range.

Optionally, other modules of TBOX120 may include: the device comprises an audio unit, a wireless local area network unit and a high-precision positioning module; the audio unit, the wireless local area network unit and the high-precision positioning module are respectively connected with the second control unit. The audio unit is used for carrying out voice broadcast or conversation on the key information and/or the data processing result; the wireless local area network unit can be used as an AP hot spot and provides a network for other electronic equipment in the vehicle; the high-precision positioning module can be used for positioning the vehicle at high precision.

Specifically, when the information transceiver module 112 includes a bluetooth low energy module, the audio unit may provide the key information and/or the data processing result to the external device for voice broadcast or call through the bluetooth low energy module or the audio connection line. Illustratively, the key information can be sent to the mobile phone of the user through the low-power-consumption Bluetooth module, and the user can check the vehicle information from the mobile phone. The audio unit can also directly broadcast key information and/or data processing results; also can carry out speech communication through MIC and backend server, the embodiment of the utility model provides a do not limit it.

Optionally, at least one of the UART interface, the SPI interface, and the PCIe interface in the first control unit 111 in the gateway 110 and the second control unit 121 in the TBOX120 is connected through an FPC. That is, the communications of the first control unit 111 in the gateway 110 and the second control unit 121 in the TBOX120 may be implemented using a UART interface, an SPI interface, or a PCIe interface.

In the present embodiment, an in-vehicle domain controller includes: gateways and TBOX; the gateway is connected with the TBOX through a flexible printed circuit board FPC; the gateway is used for receiving the vehicle information of the adapted vehicle, screening the received vehicle information and transmitting the screened key information to the TBOX through the FPC; and the TBOX is used for acquiring the key information transmitted by the gateway and storing or sending the key information. The control to the vehicle is realized, the gateway and the TBOX do not need to be connected through a CAN network, the cost of the wiring harness CAN be reduced, the size of a product CAN be reduced, and the flexibility of product installation is improved.

In a specific example of the embodiment of the present invention, fig. 2 is a schematic structural diagram of an on-board domain controller provided in the embodiment of the present invention, and it can be seen from fig. 2 that the on-board domain controller includes a gateway 210 and a TBOX220, and the gateway 210 and the TBOX220 are connected through an FPC 230.

Specifically, the gateway 210 is configured to receive vehicle information of the adapted vehicle, screen the received vehicle information, and transmit the screened key information to the TBOX220 through the FPC 230; TBOX220 is configured to collect key information transmitted by the gateway and store or send the key information.

Optionally, the gateway 210 may include a Micro Control Unit (MCU) 211 and an information transceiver module 212, where it should be noted that the MCU211 is the first control Unit 111 in the embodiment of the present invention. The MCU211 is connected to the FPC230 and the information transceiving module 212, respectively.

Specifically, the vehicle information of the vehicle is received through the information transceiver module 212, and the vehicle information is sent to the MCU211 for processing; the MCU211 is used for screening the received vehicle information, transmitting the screened key information to the TBOX220 through the FPC230, and sending the screened rest information to the information transceiver module 212; finally, the information transceiver module 212 forwards the rest of the screened information to other modules of the vehicle.

Optionally, the information transceiver module 212 may include an ethernet SWITCH (SWITCH)213, a CAN network (CAN fd)214 with flexible data rate, and a Bluetooth Low Energy (BLE) module 215. An ethernet SWITCH (SWITCH)213, a CAN network (CANFD)214 with flexible data rate, and a Bluetooth Low Energy (BLE) 215 are connected to the MCU211, respectively. It should be noted that, in the embodiment of the present invention, the SWITCH213 integrates a plurality of ports Physical layers (PHYs) of the vehicle-mounted and/or industrial ethernet for implementing network communication with the vehicle; CANFD214 may communicate with all major CAN networks of the entire vehicle, such as power CAN, body CAN, or comfort CAN, among others. BLE215 supports BLE5.0, can realize long-range communication with the external equipment linkage, also can assist vehicle location. For example, the in-vehicle domain controller related to the embodiments of the present invention may include 8 CANFDs 214, and may also include other numbers of CANFDs 214, which is not limited by the embodiments of the present invention.

Optionally, the MCU211 may be connected to the SWITCH213 via SGMII, MII, RMII, or other interfaces.

Alternatively, TBOX220 may include: an Open Central Processing Unit (OPENCPU) 221 and a storage Unit (MEMORY)222, it should be noted that the OPENCPU221 is the second control Unit 121 in the embodiment of the present invention. OPENPUs 221 are connected to FPCs 230 and MEMORY222, respectively.

Specifically, the OPENCPU221 receives the key information sent by the MCU211, and transmits the key information to the backend server through the 5G module or the 4G module, and the backend server processes the key information and feeds back the data processing result to the OPENCPU 221; critical information and/or data processing results of the backend server received by the OPENCPU221 are stored by means of MEMORY 222.

It should be noted that the OPENCPU221 is equipped with a LINUX operating system, can perform multitask parallel execution, and integrates a 5G module and a vehicular V2X baseband; the data processing result can be transmitted to other vehicles through a V2X baseband so as to ensure safe driving of the vehicles in a large range.

Wherein, other modules of TBOX220 may include an AUDIO unit AUDIO223, a wireless local area network unit WLAN224, and a high precision positioning module gps tk 225; the AUDIO unit AUDIO223, the wireless lan unit WLAN224 and the high precision positioning module gps rtk225 are connected to the OPENCPU221, respectively.

Specifically, the AUDIO223 is configured to broadcast the key information and/or the data processing result; illustratively, the AUDIO223 may be connected to a bluetooth headset through the BLE215 or to other external devices through an AUDIO line, so as to implement voice broadcast of key information and/or data processing results.

Optionally, the MCU211 and OPENCPU221 are connected via the FPC230 and may transmit UART, SPI, PCIe, or other higher frequency signals.

Optionally, at least one of the UART interface, the SPI interface, and the PCIe interface in the MCU211 in the gateway 210 and the OPENCPU221 in the TBOX220 is connected through an FPC. That is, the communication of the MCU211 in the gateway 210 and the OPENCPU221 in the TBOX220 may be implemented using a UART interface, an SPI interface, or a PCIe interface.

It should be noted that, the utility model provides an in MCU211 not carry on operating system, its logic controllability is higher, its inside Hardware Security Module (Hardware Security Module, HSM) that has integrateed can also regard as the Hardware watchdog and the Security chip of TBOX220 part when handling self network information, guarantees information Security and system stability.

In the present embodiment, an in-vehicle domain controller includes: gateways and telematics processors TBOX; the gateway is connected with the TBOX through a flexible printed circuit board FPC; the gateway is used for receiving the vehicle information of the adapted vehicle, screening the received vehicle information and transmitting the screened key information to the TBOX through the FPC; and the TBOX is used for acquiring the key information transmitted by the gateway and storing or sending the key information. The control to the vehicle is realized, the gateway and the TBOX do not need to be connected through a CAN network, the cost of the wiring harness CAN be reduced, and the size of a product CAN be reduced, so that the flexibility of product installation is improved.

Optionally, the embodiment of the present invention further includes a vehicle, and the vehicle-mounted domain controller in any embodiment of the present invention is included in the vehicle.

It should be noted that the vehicle-mounted domain controller related to the embodiment of the present invention may also operate as a gateway or a TBOX alone; when the embodiment of the utility model provides a when on-vehicle domain controller that involves uses as gateway or TBOX, need not the function that installation software can realize TBOX, need not the function that installation TBOX circuit board can realize the gateway, practiced thrift the economic cost who installs gateway or TBOX once more.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to 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, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. An in-vehicle domain controller, comprising: gateways and telematics processors TBOX; the gateway and the TBOX are connected through a Flexible Printed Circuit (FPC);

2. The vehicular domain controller according to claim 1, wherein the information transceiving module specifically comprises at least one of: the system comprises an Ethernet switch, a CAN network unit with flexible data rate and a low-power-consumption Bluetooth module;

3. The vehicular domain controller according to claim 2, wherein the first control unit is connected to the ethernet switch via at least one of SGMII, MII or RMII interface; the Ethernet switch is connected with the second control unit;

the port physical layer built in the Ethernet switch comprises: a port physical layer of a vehicular ethernet, and/or a port physical layer of an industrial ethernet.

4. The vehicular domain controller according to claim 3, wherein the second control unit is configured to receive the key information sent by the first control unit through the FPC and/or the ethernet switch, transmit the key information to the backend server through the 5G module, and receive a data processing result fed back by the backend server.

5. The on-board domain controller of claim 4, wherein the TBOX further comprises:

the device comprises an audio unit, a wireless local area network unit and a high-precision positioning module;

the audio unit, the wireless local area network unit and the high-precision positioning module are respectively connected with the second control unit.

6. The vehicular domain controller according to claim 4, wherein said second control unit is equipped with a LINUX operating system and integrates a 5G module and/or vehicular wireless communication technology V2X baseband.

7. The in-vehicle domain controller of claim 5, wherein the audio unit broadcasts the key information and/or the data processing result; alternatively, the first and second electrodes may be,

8. The in-vehicle domain controller of claim 1, wherein the communication interface of the gateway and the TBOX is at least one of UART, SPI, and PCI, and the first control unit and the second control unit are connected to the FPC through the communication interface, respectively.

9. A vehicle, characterized in that it comprises an onboard domain controller according to any of claims 1-8.