WO2024021905A1 - 分体式全液晶组合仪表、信息展示方法和车辆 - Google Patents

分体式全液晶组合仪表、信息展示方法和车辆 Download PDF

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Publication number
WO2024021905A1
WO2024021905A1 PCT/CN2023/099203 CN2023099203W WO2024021905A1 WO 2024021905 A1 WO2024021905 A1 WO 2024021905A1 CN 2023099203 W CN2023099203 W CN 2023099203W WO 2024021905 A1 WO2024021905 A1 WO 2024021905A1
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WIPO (PCT)
Prior art keywords
information
display
status information
chip
liquid crystal
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PCT/CN2023/099203
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English (en)
French (fr)
Inventor
王淑琴
李亚琴
罗雪
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中国第一汽车股份有限公司
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Publication of WO2024021905A1 publication Critical patent/WO2024021905A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/21Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
    • B60K35/22Display screens

Definitions

  • the embodiments of the present application relate to the field of vehicle technology, for example, to a split full liquid crystal combination instrument, an information display method and a vehicle.
  • Vehicle status information may refer to vehicle operating parameters, mileage and other information.
  • Safety functions refer to functions on the dashboard related to driving safety. For example, ABS (Anti-lock Brake System) is one of many safety functions.
  • Embodiments of the present application provide a split full liquid crystal combination instrument, an information display method and a vehicle.
  • inventions of the present application provide a split full liquid crystal combination instrument.
  • the instrument includes: a display device and a control device, wherein the display device includes: a deserializer, a first MCU (Micro Controller Unit, Microcontroller) chip, video processing module and liquid crystal display; the control device includes: SOC chip and serializer;
  • the display device includes: a deserializer, a first MCU (Micro Controller Unit, Microcontroller) chip, video processing module and liquid crystal display
  • the control device includes: SOC chip and serializer
  • the deserializer, the first MCU chip, the video processing module and the serializer respectively meet the preset functional safety level, and the SOC chip does not meet the preset functional safety level;
  • the SOC chip is configured to obtain the first status information to be displayed in the vehicle, process the first status information, generate video information corresponding to the first status information, and send the video information to the serializer;
  • the serializer is configured to serialize the video information and send the serialized video serialization information to the deserializer;
  • the deserializer is configured to deserialize the video serialization information and send the deserialized video information to the video processing module;
  • the first MCU chip is configured to obtain the second status information related to the safety function in the vehicle based on a preset acquisition method, and send the second status information to the video processing module;
  • the video processing module is configured to send the video information to the liquid crystal display for display, and verify the current display information related to the safety function displayed by the liquid crystal display and the second status information. , update and display the current display information based on the verification results.
  • inventions of the present application provide an information display method, which is applied to a split-type full-liquid crystal combination instrument.
  • the split-type full-liquid crystal combination instrument includes a display device and a control device.
  • the method includes:
  • the first status information to be displayed in the vehicle is obtained, the first status information is processed, the video information corresponding to the first status information is generated, and the video information is sent to the serializer in the control device;
  • the video information is serialized through the serializer in the control device, and the serialized video serialization information is sent to the deserializer in the display device;
  • the second status information related to the safety function in the vehicle is obtained, and the second status information is sent to the video processing module in the display device ;
  • the video information is sent to the liquid crystal display in the display device for display, and the current display information related to the safety function displayed by the liquid crystal display is compared with the The second status information is verified, and the current display information is updated and displayed based on the verification result.
  • embodiments of the present application provide a vehicle, which includes the split full liquid crystal combination instrument provided by any embodiment of the present application.
  • Figure 1 is a schematic structural diagram of a split full liquid crystal combination meter provided in Embodiment 1 of the present application;
  • Figure 2 is a schematic structural diagram of a split full liquid crystal combination meter provided in Embodiment 2 of the present application;
  • Figure 3 is a schematic structural diagram of a split full liquid crystal combination meter involved in Embodiment 2 of the present application;
  • Figure 4 is a schematic structural diagram of another split full liquid crystal combination meter involved in Embodiment 2 of the present application.
  • Figure 5 is a flow chart of an information display method provided in Embodiment 3 of the present application.
  • Figure 6 is a schematic structural diagram of a vehicle provided in Embodiment 4 of the present application.
  • Figure 7 is a schematic structural diagram of another split full liquid crystal combination meter provided in Embodiment 1 of the present application.
  • FIG. 8 is a schematic structural diagram of another split-type full liquid crystal combination instrument according to Embodiment 2 of the present application.
  • split full-LCD instrument clusters which are instruments with a separate design of the instrument display device and control device, and require that the safety function identification display function in the split-type full LCD combination instrument must meet at least Level B
  • the functional safety level ASIL Automotive Safety Integration Level, automobile safety integrity level
  • ASILB Automotive Safety Integration Level, automobile safety integrity level
  • the SOC (System on Chip) chip in the split full-LCD combination instrument usually does not meet the functional safety level ASILB.
  • the split full-LCD combination instrument may display incorrect status information related to safety functions. For example, when the ABS fails, the ABS fault information needs to be displayed on the split full LCD combination instrument, but the ABS fault information is not displayed on the split full LCD combination instrument, which cannot effectively guarantee the user's driving safety.
  • embodiments of the present application provide a split full liquid crystal combination instrument, an information display method and a vehicle.
  • FIG. 1 is a schematic structural diagram of a split full liquid crystal combination meter provided in Embodiment 1 of the present application.
  • the split full-LCD combination instrument provided by this embodiment can display vehicle status information, especially when the SOC chip in the split full-LCD combination instrument does not meet the preset functional safety level, the vehicle status information can be displayed.
  • the split full liquid crystal combination instrument may include: a control device 10 and a display device 20; the control device 10 may include: a SOC chip 101 and a serializer 102; the display device 20 may include: a deserializer 201, An MCU chip 203, video processing module 202 and liquid crystal display 204.
  • the deserializer 201, the first MCU chip 203, the video processing module 202 and the serializer 102 all meet the preset functional safety level, and the SOC chip 101 does not meet the preset functional safety level.
  • the SOC chip 101 is used to obtain the first status information to be displayed in the vehicle, process the first status information, generate video information corresponding to the first status information, and send the video information to the serializer 102; serial The deserializer 102 is used to deserialize the video information and send the deserialized video information to the deserializer 201; the deserializer 201 is used to deserialize the video deserialization information and send the deserialized video The information is sent to the video processing module 202; the first MCU chip 203 is used to obtain the second status information related to the safety function in the vehicle based on the preset acquisition method, and send the second status information to the video processing module 202; the video processing module 202 is used to send the video information to the liquid crystal display 204 for display, verify the current display information related to the security function and the second status information displayed by the liquid crystal display 204, and update the current display information based on the verification result. exhibit.
  • the first MCU chip 203 may refer to the MCU chip located in the display device 20 .
  • the number of safety features in a vehicle is multiple.
  • the ABS function is one safety function among multiple safety functions.
  • the SOC chip 101 is a chip that can perform complex task processing compared to the MCU chip.
  • the preset functional safety level may be the functional safety level that the split-type full-LCD combination instrument is set in advance based on business requirements.
  • the preset functional safety level may refer to ASILB.
  • the first status information may refer to vehicle status information to be displayed on the liquid crystal display 204 .
  • the first status information may include but is not limited to vehicle speed information, tire pressure information and/or ABS fault alarm information.
  • Video information may refer to information converted by the SOC chip 101 for display on the liquid crystal display 204 .
  • the SOC chip 101 in the control device 10 can obtain the first status information to be displayed in the vehicle through a preset method of obtaining the first status information.
  • the SOC chip 101 in the control device 10 can obtain the first status information to be displayed in the vehicle through the vehicle network in a cycle of 10 ms.
  • the vehicle network may refer to Ethernet or CAN (Controller Area Network, Controller Area Network) bus.
  • SOC core in control device 10 The chip 101 can process the received first status information and generate video information corresponding to the first status information, so that the liquid crystal display 204 can directly display based on the information.
  • the SOC chip 101 in the control device 10 can send the video information to the serializer 102.
  • the preset acquisition method may refer to a method of acquiring the second status information related to the safety function in the vehicle that is set in advance based on business requirements.
  • the preset acquisition method may be through the vehicle network.
  • the vehicle network may refer to Ethernet or CAN bus.
  • the second status information may refer to various vehicle status information related to safety functions in the vehicle.
  • the second status information may include but is not limited to ABS fault alarm information.
  • the serializer 102 in the control device 10 can perform serialization processing on the received video information sent by the SOC chip 101 in the control device 10, and send the serialized video serialization information to the display device 20.
  • the deserializer 201 enables the deserializer 201 in the display device 20 to deserialize the received video serialization information and send the deserialized video information to the video processing module 202 in the display device 20 .
  • the first MCU chip 203 in the display device 20 can obtain the second status information related to the safety function in the vehicle based on a preset acquisition method, and send the obtained second status information to the video processing module 202 in the display device 20 .
  • the verification can be processed through a preset verification method.
  • the preset check method may refer to Cyclic Redundancy Check (CRC check).
  • CRC check Cyclic Redundancy Check
  • the verification result may refer to whether the current display information related to the security function displayed by the liquid crystal display 204 is consistent with the second status information. Updating the presentation may refer to updating the current presentation information related to the security function displayed on the liquid crystal display 204 to the second status information.
  • the video processing module 202 in the display device 20 can send the received video information to the liquid crystal display 204, so that the liquid crystal display 204 displays based on the video information to realize driving.
  • the operator can confirm the vehicle status through the content displayed on the LCD 204.
  • the video processing module 202 in the display device 20 can verify the current display information related to the security function and the second status information displayed by the liquid crystal display 204 through a preset verification method, and perform the verification on the current display information based on the verification results. Update display.
  • the video processing module 202 does not need to perform any processing on the current display information related to the safety function displayed by the liquid crystal display 204 . If the current display information related to the safety function displayed by the liquid crystal display 204 is inconsistent with the verification result of the second status information, the video processing module 202 needs to update the display of the current display information on the liquid crystal display 204 according to the second status information, so that The current display information related to the security function displayed by the liquid crystal display 204 is consistent with the second status information, so that when the SOC chip 101 is not satisfied When the preset functional safety level is met, the accuracy of status information display related to safety functions is ensured, thereby effectively ensuring the user's driving safety.
  • the SOC chip 101 in the control device 10 that does not meet the preset functional safety level is used to obtain the first status information to be displayed in the vehicle, and the first status information is processed to generate a video corresponding to the first status information.
  • information, and send the video information to the serializer 102 in the control device 10 use the serializer 102 in the control device 10 to serialize the video information, and send the serialized video serialization information to the display device 20
  • the deserializer 201 in the display device 20 is used to deserialize the video serialization information, and the deserialized video information is sent to the video processing module 202 in the display device 20; in the display device 20
  • the first MCU chip 203 can obtain the second status information related to the safety function in the vehicle based on the preset acquisition method, and send the second status information to the video processing module 202 in the display device 20; using the The video processing module 202 may send the video information to the liquid crystal display 204 in the display device 20 for display, and calibrate the current display information related to the safety
  • Verify update the current display information based on the verification results, so that the current display information related to the safety function displayed by the liquid crystal display 204 in the display device 20 is consistent with the second status information, and realize the safety function of the liquid crystal display 204 Accurate display, thereby ensuring the accuracy of display of status information related to safety functions when the SOC chip 101 does not meet the preset functional safety level, thereby effectively ensuring the user's driving safety.
  • the display device 20 further includes: an icon database.
  • the icon database is connected to the video processing module 202 for storing display icons corresponding to the security functions.
  • the video processing module 202 is configured to: determine the target security function whose current display information is inconsistent with the second state information based on the verification result, and determine the target security function corresponding to the target security function from the icon database based on the second state information corresponding to the target security function.
  • the target display icon is sent to the liquid crystal display 204, so that the liquid crystal display 204 updates and displays the current display information corresponding to the target security function.
  • the icon database may refer to a database that stores preset icons. Each preset icon in the icon database corresponds to a unique preset icon identifier.
  • the verification result determines that the current display information and the second status information are inconsistent may refer to the situation where the icon needs to be displayed on the liquid crystal display 204 but the icon is not displayed and/or the icon needs to be displayed on the liquid crystal display 204 but another icon is displayed. and/or the icon is displayed without displaying the icon on the liquid crystal display 204 .
  • the target security function may refer to the security function whose verification results are inconsistent and need to be updated and displayed based on the verification results.
  • the target display icon may refer to an icon corresponding to the target security function that needs to be displayed on the liquid crystal display 204 .
  • icon database 206 is shown in FIG. 7 .
  • the video processing module 202 may determine the target security function in which the current display information and the second status information are inconsistent based on the verification result. If the icon needs to be displayed on the liquid crystal display 204 but the icon is not displayed, then based on the second status information corresponding to the target safety function, the target display icon corresponding to the target safety function is determined from the icon database, and the target display icon is The display icon is sent to the liquid crystal display 204, so that the liquid crystal display 204 updates and displays the current display information corresponding to the target security function, so as to ensure the display of status information related to the security function when the SOC chip 101 does not meet the preset functional safety level. accuracy.
  • the first MCU chip 203 is connected to the vehicle network; the first MCU chip 203 is used to obtain the second status information related to the safety function in the vehicle through the connected vehicle network.
  • the vehicle network may refer to Ethernet or CAN bus.
  • the first MCU chip 203 in the display device 20 can obtain the second status information related to the safety function in the vehicle through the connected vehicle network.
  • FIG. 2 is a schematic structural diagram of a split full liquid crystal combination meter provided in Embodiment 2 of the present application.
  • a second MCU chip 103 is added to the control device 10 .
  • the control device 10 also includes: a second MCU chip 103 .
  • the second MCU chip 103 meets the preset functional safety level; the second MCU chip 103 is used to obtain the second status information related to the safety function in the vehicle through the connected vehicle network, and send the second status information based on the preset sending method.
  • the second status information is sent to the first MCU chip 203; the first MCU chip 203 is used to obtain the second status information in a preset receiving mode that matches the preset sending mode.
  • the second MCU chip 103 may be an MCU chip located in the control device 10 .
  • the preset sending mode and the preset receiving mode match and are used to send and receive the second status information.
  • the preset sending method can be that the second MCU chip 103 in the control device 10 directly sends information to the first MCU chip 203 in the display device 20 through the CAN bus, then the matching preset receiving method can be the display device.
  • the first MCU chip 203 in 20 receives information through the CAN bus; the preset sending method can also be that the second MCU chip 103 in the control device 10 sends the information to the serializer 102 in the control device 10, and then the control device 10
  • the serializer 102 in the display device 20 sends the received information to the deserializer 201 in the display device 20 , so that the deserializer 201 in the display device 20 sends the received information to the first MCU chip 203 in the display device 20 .
  • the second MCU chip 103 in the control device 10 can obtain the second status information related to the safety function in the vehicle through the connected vehicle network, and send the second status information to the display device 20 based on the preset sending method.
  • the first MCU chip 203 so that the first MCU in the display device 20
  • the chip 203 obtains the second status information through the preset reception method that matches the preset transmission method, so that the second status information can be accurately transmitted through the preset transmission method, thereby ensuring that the first MCU chip 203 in the display device 20 receives Accuracy of information.
  • Figure 3 shows a schematic structural diagram of a split full liquid crystal combination instrument.
  • the second MCU chip 103 and the serializer 102 are connected through the I2C (Inter-Integrated Circuit, integrated circuit) bus; the deserializer 201 and the first MCU chip 203 are connected through the I2C bus; the second MCU The chip 103 is used to: obtain the second status information related to the safety function in the vehicle through the connected vehicle network, generate an I2C signal corresponding to the second status information, and send the I2C signal to the serializer 102; the serializer 102 is also used to send the I2C signal to the deserializer 201; the deserializer 201 is also used to send the I2C signal to the first MCU chip 203; the first MCU chip 203 is used to: perform signal analysis on the I2C signal to obtain the second state information.
  • I2C Inter-Integrated Circuit, integrated circuit
  • the I2C bus can be a multi-master bus and can be used to replace the standard parallel bus to connect various integrated circuits and functional modules.
  • the I2C bus can also be used to ensure real-time communication.
  • I2C signals are secondary status information that can be transmitted through the I2C bus.
  • the parsing may be a process of parsing the I2C signal into second status information for reading by the first MCU chip 203 in the display device 20 .
  • the second MCU chip 103 in the control device 10 can obtain the second status information through the vehicle network, and convert the obtained second status information into an I2C signal corresponding to the second status information, so that the second MCU chip 103 in the control device 10 can
  • the second MCU chip 103 can send the I2C signal to the serializer 102 through the I2C bus.
  • the serializer 102 sends the received I2C signal to the deserializer 201 so that the deserializer 201 can send the received I2C signal to the first MCU chip 203 in the display device 20 .
  • the first MCU chip 203 in the display device 20 can parse the received I2C signal into second status information that can be read by the first MCU chip 203 in the display device 20 , thereby ensuring the real-time and accuracy of information transmission.
  • Figure 4 shows a schematic structural diagram of another split full liquid crystal combination instrument.
  • the control device 10 also includes: a private network sending chip 104.
  • the private network sending chip 104 is connected to the second MCU chip 103.
  • the private network sending chip 104 meets the preset functional safety level;
  • the display device 20 also includes:
  • the private network receiving chip 205 is connected to the first MCU chip 203.
  • the private network receiving chip 205 meets the preset functional safety level;
  • the second MCU chip 103 is used to obtain the information in the vehicle through the connected vehicle network.
  • the second status information related to the security function is sent to the private network sending chip 104; the private network sending chip 104 is used to send the received second status information to the private network receiving chip 205; the private network receiving chip 205 Used to send the received second status information to the first MCU chip 203; the first MCU chip 203 is used to: receive the second status information sent by the private network receiving chip 205.
  • the private network sending chip 104 may refer to a chip dedicated to sending the second status information to the second MCU chip 103 in the control device 10 through the network.
  • the private network sending chip 104 may be a private CAN network sending chip.
  • the private network receiving chip 205 may refer to a chip dedicated to receiving information sent by the private network sending chip 104 .
  • the second MCU chip 103 in the control device 10 can obtain the second status information related to the safety function in the vehicle through the connected vehicle network, and send the second status information to the private network sending chip 104, so that the private
  • the network sending chip 104 can send the received second status information to the private network receiving chip 205; the private network receiving chip 205 only receives the data information sent by the private network sending chip 104, thereby ensuring the efficiency and accuracy of information transmission.
  • the private network receiving chip 205 can send the received second status information to the first MCU chip 203 in the display device 20 , so that the first MCU chip 203 in the display device 20 can receive the second status sent by the private network receiving chip 205 information.
  • a second MCU chip 103 is added to the control device 10, and the second MCU chip 103 in the control device 10 is used to obtain the second status information related to the safety function in the vehicle through the connected vehicle network, and based on In the default sending mode, the second status information is sent to the first MCU chip 203 in the display device 20, so that the first MCU chip 203 in the display device 20 obtains the second status information through the default receiving mode that matches the default sending mode.
  • the video processing module 202 in the display device 20 can be used to send the video information to the liquid crystal display 204 in the display device 20 for display, and display the current display information related to the security function displayed on the liquid crystal display 204 in the display device 20 Verify with the second status information, and update the current display information based on the verification result, thereby ensuring the accuracy of display of status information related to the security function when the SOC chip 101 does not meet the preset functional security level, thereby ensuring the accuracy of the display of status information related to the security function. Effectively ensure users’ driving safety.
  • the display device 20 also includes: a power management module, which meets the preset functional safety level; the power management module is used to monitor the current power supply voltage of the first MCU chip 203 and the video processing module 202 , and perform re-initialization processing when the current power supply voltage exceeds the operating voltage range.
  • the monitoring may be real-time monitoring.
  • the initialization process may be a process for adjusting the power supply voltage corresponding to the first MCU chip 203 in the display device 20 and the video processing module 202 in the display device 20 to a voltage that meets the normal operating voltage range.
  • power management module 207 is shown in FIG. 8 .
  • the display device 20 also includes a power management module that meets a preset functional safety level for monitoring the current power supply voltage of the first MCU chip 203 in the display device 20 and the video processing module 202 in the display device 20 , and The re-initialization process is performed when the current power supply voltage exceeds the working voltage range, thereby avoiding possible adverse consequences caused by the current power supply voltage exceeding the working voltage range, such as the video processing module 202 in the display device 20 operating under overvoltage and causing the display device 20 to burn out.
  • the display content of the liquid crystal display 204 cannot be updated according to the vehicle status, thereby ensuring the normal operation of the display device 20 and improving the accuracy and real-time performance of the safety functions of the liquid crystal display 204 in the display device 20 .
  • FIG. 5 is a flow chart of an information display method provided in Embodiment 3 of the present application.
  • the information display method provided by this embodiment can display information on the instrument in the vehicle, and can especially be operated by a split full liquid crystal combination instrument.
  • the split full-LCD instrument cluster includes a display device and a control device.
  • information display methods may include:
  • S310 Obtain the first status information to be displayed in the vehicle through the SOC chip in the control device, process the first status information, generate video information corresponding to the first status information, and send the video information to the control device. serializer.
  • the first status information may refer to vehicle status information to be displayed on the liquid crystal display.
  • the first status information may include but is not limited to vehicle speed information, tire pressure information and/or ABS fault alarm information.
  • Video information may refer to information converted by the SOC chip for display on the liquid crystal display.
  • the SOC chip in the control device can obtain the first status information to be displayed in the vehicle in a preset manner.
  • the SOC chip in the control device can obtain the first status information to be displayed in the vehicle through the vehicle network in a cycle of 10ms.
  • the vehicle network may refer to Ethernet or CAN bus.
  • the SOC chip in the control device can process the received first status information and generate video information corresponding to the first status information, so that the liquid crystal display can directly display based on the information.
  • the SOC chip in the control unit can send the video information to the serializer.
  • S320 Serialize the video information through the serializer in the control device, and send the serialized video serialization information to the deserializer in the display device.
  • the serializer in the control device can perform serialization processing on the received video information sent by the SOC chip in the control device, and send the serialized video serialization information to the deserializer in the display device.
  • the deserializer in the display device can deserialize the received video serialization information, and send the deserialized video information to the video processing module in the display device.
  • the first MCU chip may refer to an MCU chip located in the display device.
  • the number of safety features in a vehicle is multiple.
  • the ABS function is one safety function among multiple safety functions.
  • the preset acquisition method may refer to a method of acquiring the second status information related to the safety function in the vehicle that is set in advance based on business requirements.
  • the preset acquisition method may be through the vehicle network.
  • the vehicle network may refer to Ethernet or CAN bus.
  • the second status information may refer to various vehicle status information related to safety functions in the vehicle.
  • the second status information may include but is not limited to ABS fault alarm information.
  • the first MCU chip in the display device can obtain the second status information related to the safety function in the vehicle based on a preset acquisition method, and send the obtained second status information to the video processing module in the display device.
  • "acquiring the second status information related to the safety function in the vehicle based on the preset acquisition method” may include: obtaining the second status information related to the safety function in the vehicle based on the first MCU chip through the connected vehicle network information.
  • the vehicle network may refer to Ethernet or CAN bus.
  • the first MCU chip in the display device can obtain the second status information related to the safety function in the vehicle through the connected vehicle network.
  • the verification can be processed through a preset verification method.
  • the preset verification method may refer to CRC verification.
  • the verification result may refer to whether the current display information related to the security function displayed by the liquid crystal display is consistent with the second status information. Updating the display may refer to updating the current display information related to the security function displayed on the liquid crystal display to the second status information.
  • the video processing module in the display device can send the received video information to the liquid crystal display, so that the liquid crystal display displays based on the video information, so that the driver can confirm the vehicle status through the content displayed on the liquid crystal display.
  • the video processing module in the display device can convert the LCD display into The current display information and the second status information displayed related to the security function are verified through a preset verification method, and the current display information is updated and displayed based on the verification results. If the current display information related to the safety function displayed by the LCD is consistent with the verification result of the second status information, the video processing module does not need to perform any processing on the current display information related to the safety function displayed by the LCD.
  • the video processing module needs to update the current display information of the LCD based on the second status information so that the LCD displays
  • the current display information related to the safety function displayed is consistent with the second status information to ensure the accuracy of the display of status information related to the safety function when the SOC chip does not meet the preset functional safety level, thereby effectively ensuring the user's driving safety.
  • "updating the display of the current display information based on the verification results” may include: determining the target security function that the current display information and the second state information are inconsistent with based on the verification results; based on the second state information corresponding to the target security function, The target display icon corresponding to the target safety function is determined from the icon database; the target display icon is sent to the liquid crystal display, so that the liquid crystal display updates and displays the current display information corresponding to the target safety function.
  • the icon database may refer to a database that stores preset icons. Each preset icon in the icon database corresponds to a unique preset icon identifier.
  • the verification result determines that the current display information and the second status information are inconsistent, which may refer to the situation where the icon needs to be displayed on the LCD but the icon is not displayed and/or the situation where the icon needs to be displayed on the LCD but another icon is displayed. and/or the icon is displayed without the need to display the icon on the LCD monitor.
  • the target security function may refer to the security function whose verification results are inconsistent and need to be updated and displayed based on the verification results.
  • the target display icon may refer to an icon corresponding to the target security function that needs to be displayed on the LCD.
  • the video processing module may determine the target security function in which the current display information and the second status information are inconsistent based on the verification result. If the icon needs to be displayed on the LCD but the icon is not displayed, the target display icon corresponding to the target safety function is determined from the icon database based on the second status information corresponding to the target safety function, and the target display icon is The icon is sent to the LCD so that the LCD can update and display the current display information corresponding to the target security function to ensure the accuracy of the display of status information related to the security function when the SOC chip does not meet the preset functional safety level.
  • the first status information to be displayed in the vehicle can be obtained through the SOC chip in the control device, the first status information is processed, the video information corresponding to the first status information is generated, and the video information is sent to the control device.
  • the serializer in the device; the serializer in the control device can serialize the video information and send the serialized video serialization information to the deserializer in the display device; the display device
  • the central deserializer can deserialize the video serialization information and send the deserialized video information to the video processing module in the display device; the first MCU chip in the display device can obtain the vehicle based on the preset acquisition method.
  • the video processing module in the display device can send the video information to the liquid crystal display in the display device for display, and verify the current display information related to the security function and the second status information displayed by the liquid crystal display in the display device, and update the current display information based on the verification result, so that the liquid crystal display in the display device displays
  • the current display information related to the safety function is consistent with the second status information, realizing the accurate display of the safety function on the LCD, thus ensuring the display of the status information related to the safety function when the SOC chip does not meet the preset functional safety level. accuracy, thereby effectively ensuring users’ driving safety.
  • control device further includes: a second MCU chip; wherein the second MCU chip meets the preset functional safety level; the method also includes: based on the second MCU chip through the connected vehicle network, obtaining the vehicle second status information related to the security function in the second MCU chip; based on the preset sending method in the second MCU chip, send the second status information to the first MCU chip; based on the preset sending method in the first MCU chip that matches the preset sending method Receiving mode to obtain the second status information.
  • the second MCU chip may be an MCU chip located in the control device.
  • the preset sending mode and the preset receiving mode match and are used to send and receive the second status information.
  • the preset sending method can be that the second MCU chip in the control device directly sends information to the first MCU chip in the display device through the CAN bus, then the matching preset receiving method can be the first MCU chip in the display device.
  • the MCU chip receives information through the CAN bus; the preset sending method can also be that the second MCU chip in the control device sends the information to the serializer in the control device, and then the serializer in the control device sends the received information to and a deserializer in the display device, so that the deserializer in the display device sends the received information to the first MCU chip in the display device.
  • the second MCU chip in the control device can obtain the second status information related to the safety function in the vehicle through the connected vehicle network, and send the second status information to the first status information in the display device based on the preset sending method.
  • MCU chip so that the first MCU chip in the display device obtains the second status information through the preset receiving method that matches the preset sending method, so that the second status information can be accurately transmitted through the preset sending method, thereby ensuring Displays the accuracy of information received by the first MCU chip in the device.
  • the first MCU chip based on the preset receiving method that matches the preset sending method, obtain the second status information
  • the first MCU chip based on the preset receiving method that matches the preset sending method, obtain the second status information
  • second state information that can be related; generate an I2C signal corresponding to the second state information based on the second MCU chip; send the I2C signal to the serializer through the I2C bus based on the second MCU chip; wherein, the second MCU chip and the serializer Connected through the I2C bus; the deserializer and the first MCU chip are connected through the I2C bus; the serializer is also used to send the I2C signal to the deserializer; the deserializer is also used to send the I2C signal to the first MCU chip ; The first MCU chip is also used to perform signal analysis on the I2C signal to obtain the second status information.
  • the I2C bus can be a multi-master bus and can be used to replace the standard parallel bus to connect various integrated circuits and functional modules.
  • the I2C bus can also be used to ensure real-time communication.
  • I2C signals are secondary status information that can be transmitted through the I2C bus.
  • the parsing may be a process of parsing the I2C signal into second status information for reading by the first MCU chip in the display device.
  • the second MCU chip in the control device can obtain the second status information through the vehicle network, and convert the obtained second status information into an I2C signal corresponding to the second status information, so that the second MCU chip in the control device
  • the chip can send I2C signals to the serializer via the I2C bus.
  • the serializer sends the received I2C signal to the deserializer so that the deserializer can send the received I2C signal to the first MCU chip in the display device.
  • the first MCU chip in the display device can parse the received I2C signal into second status information that can be read by the first MCU chip in the display device, thereby ensuring the real-time and accuracy of information transmission.
  • control device further includes: a private network sending chip; wherein the private network sending chip is connected to the second MCU chip, and the private network sending chip meets the preset functional safety level;
  • display device further includes: a private network receiving chip; wherein , the private network receiving chip is connected to the first MCU chip, and the private network receiving chip meets the preset functional safety level; based on the second MCU chip through the connected vehicle network, the second status information related to the safety function in the vehicle is obtained, and Send the second status information to the private network sending chip; send the received second status information to the private network receiving chip based on the private network sending chip; send the received second status information to the first MCU chip based on the private network receiving chip; Based on the first MCU chip, the private network receiving chip will receive the second status information sent by the chip.
  • the private network sending chip may refer to a chip dedicated to sending the second status information to the second MCU chip in the control device through the network.
  • the private network sending chip may be a private CAN network sending chip.
  • the private network receiving chip may refer to a chip dedicated to receiving information sent by the private network sending chip.
  • the second MCU chip in the control device can obtain the second status information related to the safety function in the vehicle through the connected vehicle network, and send the second status information to the private network sending chip, This allows the private network sending chip to send the received second status information to the private network receiving chip; the private network receiving chip only receives the data information sent by the private network sending chip, thus ensuring the efficiency and accuracy of information transmission.
  • the private network receiving chip can send the received second status information to the first MCU chip in the display device, so that the first MCU chip in the display device can receive the second status information sent by the private network receiving chip.
  • the display device further includes: a power management module; wherein, the power management module meets the preset functional safety level; based on the power management module, the current power supply voltage of the first MCU chip and the video processing module is monitored; based on The monitoring results are re-initialized when the current power supply voltage exceeds the operating voltage range.
  • the monitoring may be real-time monitoring.
  • the initialization process may be a process for adjusting the power supply voltage corresponding to the first MCU chip in the display device and the video processing module in the display device to a voltage that complies with the normal operating voltage range.
  • the display device also includes a power management module that meets a preset functional safety level and is used to monitor the current power supply voltage of the first MCU chip in the display device and the video processing module in the display device, and monitor the current power supply voltage when the current power supply voltage exceeds
  • the re-initialization process is performed when the working voltage range is within the working voltage range, which avoids possible adverse consequences caused by the current power supply voltage exceeding the working voltage range.
  • the video processing module in the display device is burned out due to overvoltage operation, resulting in the display content of the LCD in the display device being unable to be displayed according to the operating voltage range.
  • the vehicle status is updated to ensure the normal operation of the display device and improve the accuracy and real-time performance of the safety function display on the LCD in the display device.
  • FIG. 6 is a schematic structural diagram of a vehicle provided in Embodiment 4 of the present application.
  • the vehicle may include a split full liquid crystal instrument cluster 40 .
  • the split-type full-liquid crystal combination instrument 40 may be a split-type full-liquid crystal combination instrument provided by any of the above embodiments, and is used to perform the information display method provided by any of the above embodiments.
  • the split full liquid crystal instrument cluster 40 may include: a display device and a control device; wherein the display device includes: a deserializer, a first MCU chip, a video processing module and a liquid crystal display; and the control device includes: a SOC chip and a serial device.
  • the deserializer, the first MCU chip, the video processing module and the serializer all meet the preset functional safety level, and the SOC chip does not meet the preset functional safety level; among them, the SOC chip is used to obtain the first signal to be displayed in the vehicle.
  • the serializer is used to serialize the video information and send the serialized video
  • the serialization information is sent to the deserializer; the deserializer is used to deserialize the video serialization information and send the deserialized video information to the video processing module; the first MCU chip is used to deserialize the video based on the preset
  • the acquisition method is to obtain the second status information related to the safety function in the vehicle, and send the second status information to the video processing module; the video processing module is used to send the video information to the liquid crystal display for display, and perform the processing on the liquid crystal display.
  • the current display information displayed related to the security function is verified with the second status information, and the current display information is updated and displayed based on the verification result.
  • the SOC chip in the control device that does not meet the preset functional safety level is used to obtain the first status information to be displayed in the vehicle, and the first status information is processed to generate video information corresponding to the first status information. And send the video information to the serializer in the control device; use the serializer in the control device to serialize the video information, and send the serialized video serialization information to the deserializer in the display device; use The deserializer in the display device deserializes the video serialization information, and sends the deserialized video information to the video processing module in the display device; the first MCU chip in the display device can obtain based on the preset acquisition method.
  • the video information can be sent to the liquid crystal display in the display device for processing Display, verify the current display information related to the security function and the second status information displayed by the liquid crystal display in the display device, and update the current display information based on the verification results, so that the liquid crystal display in the display device
  • the displayed current display information related to the safety function is consistent with the second status information, realizing accurate display of the safety function on the LCD, thus ensuring the status information related to the safety function when the SOC chip does not meet the preset functional safety level. Display accuracy, thereby effectively ensuring users’ driving safety.

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Abstract

本申请实施例公开了一种分体式全液晶组合仪表、信息展示方法和车辆。该仪表包括:显示装置(20)和控制装置(10),显示装置(20)包括解串器(201)、第一MCU芯片(203)、视频处理模块(202)和液晶显示器(204);控制装置(10)包括SOC芯片(101)和串行器(102);SOC芯片(101)设置为对第一状态信息进行处理,生成视频信息并发送至串行器(102);串行器(102)设置为对视频信息进行编串,将视频编串信息发送至解串器(201);解串器(201)设置为对视频编串信息进行解串,将视频信息发送至视频处理模块(202);第一MCU芯片(203)设置为获取与安全功能相关的第二状态信息并发送至视频处理模块(202);视频处理模块(202)设置为将视频信息发送至液晶显示器(204)中进行展示,并对与安全功能相关的当前展示信息与第二状态信息进行校验,基于校验结果进行更新展示。

Description

分体式全液晶组合仪表、信息展示方法和车辆
本申请要求在2022年07月29日提交中国专利局、申请号为202210907392.4的中国专利申请的优先权,以上申请的全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及车辆技术领域,例如涉及一种分体式全液晶组合仪表、信息展示方法和车辆。
背景技术
随着汽车技术的不断发展,驾驶员及车内乘客对行车安全的关注度也在不断提升,而驾驶员通过仪表盘上所显示的内容对车辆状态直接进行认知,其中尤为重要的是安全功能标识。车辆状态信息可以是指汽车运行参数、里程等信息。安全功能是指仪表盘上与行车安全相关的功能,例如:ABS(Anti-lock Brake System,制动防抱死系统)就是众多安全功能中一种安全功能。
发明内容
本申请实施例提供了一种分体式全液晶组合仪表、信息展示方法和车辆。
第一方面,本申请实施例提供了一种分体式全液晶组合仪表,所述仪表包括:显示装置和控制装置,其中,所述显示装置包括:解串器、第一MCU(Micro Controller Unit,微控制器)芯片、视频处理模块和液晶显示器;所述控制装置包括:SOC芯片和串行器;
其中,所述解串器、所述第一MCU芯片、所述视频处理模块和所述串行器分别满足预设功能安全等级,所述SOC芯片不满足预设功能安全等级;
其中,所述SOC芯片设置为获取车辆中待显示的第一状态信息,并对所述第一状态信息进行处理,生成所述第一状态信息对应的视频信息,并将所述视频信息发送至所述串行器;
所述串行器设置为对所述视频信息进行编串,并将编串后的视频编串信息发送至所述解串器;
所述解串器设置为对所述视频编串信息进行解串,并将解串后的视频信息发送至所述视频处理模块;
所述第一MCU芯片设置为基于预设获取方式,获取车辆中与安全功能相关的第二状态信息,并将所述第二状态信息发送至所述视频处理模块;
所述视频处理模块,设置为将所述视频信息发送至所述液晶显示器中进行展示,并对所述液晶显示器所展示的与安全功能相关的当前展示信息与所述第二状态信息进行校验,基于校验结果对所述当前展示信息进行更新展示。
第二方面,本申请实施例提供了一种信息展示方法,应用于分体式全液晶组合仪表,所述分体式全液晶组合仪表包括显示装置和控制装置,所述方法包括:
通过所述控制装置中的SOC芯片,获取车辆中待显示的第一状态信息,并对所述第一状态信息进行处理,生成所述第一状态信息对应的视频信息,并将所述视频信息发送至所述控制装置中的串行器;
通过所述控制装置中的串行器,对所述视频信息进行编串,并将编串后的视频编串信息发送至所述显示装置中的解串器;
通过所述显示装置中的解串器,对所述视频编串信息进行解串,并将解串后的视频信息发送至所述显示装置中的视频处理模块;
通过所述显示装置中的第一MCU芯片,基于预设获取方式,获取车辆中与安全功能相关的第二状态信息,并将所述第二状态信息发送至所述显示装置中的视频处理模块;
通过所述显示装置中的视频处理模块,将所述视频信息发送至所述显示装置中的液晶显示器中进行展示,并对所述液晶显示器所展示的与安全功能相关的当前展示信息与所述第二状态信息进行校验,基于校验结果对所述当前展示信息进行更新展示。
第三方面,本申请实施例提供了一种车辆,所述车辆包括本申请任意实施例所提供的分体式全液晶组合仪表。
应当理解,本部分所描述的内容并非旨在标识本申请的实施例的关键或重要特征,也不用于限制本申请的范围。本申请的其它特征将通过以下的说明书而变得容易理解。
附图说明
下面将对实施例描述中所需要使用的附图作简单地介绍,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是本申请实施例一提供的一种分体式全液晶组合仪表的结构示意图;
图2是本申请实施例二提供的一种分体式全液晶组合仪表的结构示意图;
图3是本申请实施例二所涉及的一种分体式全液晶组合仪表的结构示意图;
图4是本申请实施例二所涉及的另一种分体式全液晶组合仪表的结构示意图;
图5是本申请实施例三提供的一种信息展示方法的流程图;
图6是本申请实施例四提供的一种车辆的结构示意图;
图7是本申请实施例一提供的另一种分体式全液晶组合仪表的结构示意图;
图8是本申请实施例二所涉及的另一种分体式全液晶组合仪表的结构示意图。
具体实施方式
越来越多的汽车厂商采用分体式全液晶组合仪表,即将仪表的显示装置与控制装置进行分体式设计的仪表,并要求分体式全液晶组合仪表中的安全功能标识显示功能需要满足至少B级别的功能安全等级ASIL(Automotive Safety Integration Level,汽车安全完整性等级),即ASILB。然而,分体式全液晶组合仪表中的SOC(System on Chip,系统级芯片)芯片通常不满足功能安全等级ASILB,从而导致分体式全液晶组合仪表可能会出现与安全功能相关的状态信息展示错误的情况,例如,在ABS故障时,需要在分体式全液晶组合仪表上展示ABS故障信息,但分体式全液晶组合仪表上并未展示ABS故障信息的情况,无法有效保证用户的行车安全。
考虑到上述情况,本申请实施例提供了一种分体式全液晶组合仪表、信息展示方法和车辆。
下面将结合本申请实施例中的附图,对本申请实施例进行清楚、完整地描述。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都应当属于本申请保护的范围。
需要说明的是,本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便这里描述的本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元,而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
实施例一
图1是本申请实施例一提供的一种分体式全液晶组合仪表的结构示意图。本实施例提供的分体式全液晶组合仪表可以对车辆状态信息进行展示,尤其是可以在分体式全液晶组合仪表中的SOC芯片不满足预设功能安全等级时,对车辆状态信息进行显示。如图1所示,分体式全液晶组合仪表可以包括:控制装置10和显示装置20;控制装置10可以包括:SOC芯片101和串行器102;显示装置20可以包括:解串器201、第一MCU芯片203、视频处理模块202和液晶显示器204。其中,解串器201、第一MCU芯片203、视频处理模块202和串行器102均满足预设功能安全等级,SOC芯片101不满足预设功能安全等级。
其中,SOC芯片101用于获取车辆中待显示的第一状态信息,并对第一状态信息进行处理,生成第一状态信息对应的视频信息,并将视频信息发送至串行器102;串行器102用于对视频信息进行编串,并将编串后的视频编串信息发送至解串器201;解串器201用于对视频编串信息进行解串,并将解串后的视频信息发送至视频处理模块202;第一MCU芯片203用于基于预设获取方式,获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至视频处理模块202;视频处理模块202用于将视频信息发送至液晶显示器204中进行展示,并对液晶显示器204所展示的与安全功能相关的当前展示信息与第二状态信息进行校验,基于校验结果对当前展示信息进行更新展示。
其中,第一MCU芯片203可以是指位于显示装置20中的MCU芯片。车辆中的安全功能的数量为多个。例如:ABS功能是多个安全功能中一个安全功能。SOC芯片101是相较于MCU芯片可以进行复杂任务处理的芯片。预设功能安全等级可以是预先基于业务需求设置的分体式全液晶组合仪表需要满足的功能安全等级。例如,预设功能安全等级可以是指ASILB。
其中,第一状态信息可以是指待显示在液晶显示器204上的车辆状态信息。例如,第一状态信息可以包括但不限于车速信息、胎压信息和/或ABS故障报警信息。视频信息可以是指通过SOC芯片101转化后用于在液晶显示器204上显示的信息。
例如,针对控制装置10中的SOC芯片101而言,控制装置10中的SOC芯片101可以通过预设获取第一状态信息的方式获取车辆中待显示的第一状态信息。例如,控制装置10中的SOC芯片101可以通过整车网络以10ms为一个周期获取车辆中待显示的第一状态信息。其中,整车网络可以是指以太网或CAN(Controller Area Network,控制器局域网络)总线。控制装置10中的SOC芯 片101可以对接收的第一状态信息进行处理,并生成第一状态信息对应的视频信息,以使液晶显示器204可以基于该信息直接进行显示。控制装置10中的SOC芯片101可以将视频信息发送至串行器102。
其中,预设获取方式可以是指预先基于业务需求设置的获取车辆中与安全功能相关的第二状态信息的方式。例如,预设获取方式可以是指通过整车网络的方式。其中,整车网络可以是指以太网或CAN总线。第二状态信息可以是指车辆中各个与安全功能相关的车辆状态信息。例如,第二状态信息可以包括但不限于ABS故障报警信息。
例如,控制装置10中的串行器102可以对接收到的控制装置10中的SOC芯片101发送的视频信息进行编串处理,并将编串后的视频编串信息发送至显示装置20中的解串器201,以使显示装置20中的解串器201可以对接收到的视频编串信息进行解串处理,并将解串后的视频信息发送至显示装置20中的视频处理模块202。显示装置20中的第一MCU芯片203可以基于预设获取方式获取车辆中与安全功能相关的第二状态信息,并将获取的第二状态信息发送至显示装置20中的视频处理模块202。
其中,校验可以是通过预设校验方式进行处理。例如,预设校验方式可以是指循环冗余校验(Cyclic Redundancy Check,CRC校验)。校验结果可以是指液晶显示器204所展示的与安全功能相关的当前展示信息与第二状态信息是否一致。更新展示可以是指将液晶显示器204所展示的与安全功能相关的当前展示信息更新为第二状态信息。
例如,针对显示装置20中的视频处理模块202而言,显示装置20中的视频处理模块202可以将接收的视频信息发送至液晶显示器204中,以使液晶显示器204基于视频信息进行展示,实现驾驶员可以通过液晶显示器204所展示的内容确认车辆状态。显示装置20中的视频处理模块202可以将液晶显示器204所展示的与安全功能相关的当前展示信息与第二状态信息通过预设校验方式进行校验,并基于校验结果对当前展示信息进行更新展示。若液晶显示器204所展示的与安全功能相关的当前展示信息与第二状态信息的校验结果一致,则视频处理模块202无需对液晶显示器204所展示的与安全功能相关的当前展示信息做任何处理。若液晶显示器204所展示的与安全功能相关的当前展示信息与第二状态信息的校验结果不一致,则视频处理模块202需要根据第二状态信息对液晶显示器204当前展示信息进行更新展示,以使液晶显示器204所展示的与安全功能相关的当前展示信息与第二状态信息一致,以在SOC芯片101不满 足预设功能安全等级时,保证与安全功能相关的状态信息展示的准确性,从而有效保证用户的行车安全。
本申请实施例,利用控制装置10中的不满足预设功能安全等级的SOC芯片101获取车辆中待显示的第一状态信息,并对第一状态信息进行处理,生成第一状态信息对应的视频信息,并将视频信息发送至控制装置10中的串行器102;利用控制装置10中的串行器102对视频信息进行编串,并将编串后的视频编串信息发送至显示装置20中的解串器201;利用显示装置20中的解串器201对视频编串信息进行解串,并将解串后的视频信息发送至显示装置20中的视频处理模块202;显示装置20中的第一MCU芯片203可以基于预设获取方式,获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至显示装置20中的视频处理模块202;利用显示装置20中的视频处理模块202可以将视频信息发送至显示装置20中的液晶显示器204中进行展示,并对显示装置20中的液晶显示器204所展示的与安全功能相关的当前展示信息与第二状态信息进行校验,基于校验结果对当前展示信息进行更新展示,以使显示装置20中的液晶显示器204所展示的与安全功能相关的当前展示信息与第二状态信息一致,实现液晶显示器204关于安全功能的准确展示,从而可以在SOC芯片101不满足预设功能安全等级时,保证与安全功能相关的状态信息展示的准确性,从而有效保证用户的行车安全。
在上述实施例的基础上,显示装置20还包括:图标数据库。其中,图标数据库与视频处理模块202进行连接,用于存储安全功能对应的展示图标。视频处理模块202,用于:基于校验结果确定当前展示信息和第二状态信息不一致的目标安全功能,并基于目标安全功能对应的第二状态信息,从图标数据库中确定出目标安全功能对应的目标展示图标,并将目标展示图标发送至液晶显示器204中,以使液晶显示器204对目标安全功能对应的当前展示信息进行更新展示。
其中,图标数据库可以是指存储预设图标的数据库。图标数据库中的每个预设图标对应一个不重复预设图标标识。校验结果确定当前展示信息和第二状态信息不一致可以是指需要在液晶显示器204上显示该图标而并未显示该图标的情况和/或需要在液晶显示器204上显示该图标而显示另一图标的情况和/或无需在液晶显示器204上显示该图标而显示了该图标的情况。目标安全功能可以是指校验结果为不一致,并需要基于校验结果进行更新展示的安全功能。目标展示图标可以是指目标安全功能对应的需要显示在液晶显示器204上的图标。
在一示例中,图7中示出了图标数据库206。
例如,视频处理模块202可以基于校验结果确定当前展示信息和第二状态信息不一致的目标安全功能。若为需要在液晶显示器204上显示该图标而并未显示该图标的情况,则基于目标安全功能对应的第二状态信息,从图标数据库中确定出目标安全功能对应的目标展示图标,并将目标展示图标发送至液晶显示器204中,以使液晶显示器204对目标安全功能对应的当前展示信息进行更新展示,以在SOC芯片101不满足预设功能安全等级时,保证与安全功能相关的状态信息展示的准确性。
示例性地,第一MCU芯片203与整车网络进行连接;第一MCU芯片203用于:通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息。
其中,整车网络可以是指以太网或CAN总线。
例如,显示装置20中的第一MCU芯片203可以通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息。
实施例二
图2是本申请实施例二提供的一种分体式全液晶组合仪表的结构示意图。本实施例在上述实施例的基础上,在控制装置10中增设了第二MCU芯片103。如图2所示,控制装置10还包括:第二MCU芯片103。其中,第二MCU芯片103满足预设功能安全等级;第二MCU芯片103用于通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息,并基于预设发送方式,将第二状态信息发送至第一MCU芯片203;第一MCU芯片203用于:与预设发送方式相匹配的预设接收方式,获取第二状态信息。
其中,第二MCU芯片103可以是位于控制装置10中的MCU芯片。预设发送方式和预设接收方式是相匹配的,用于发送和接收第二状态信息。例如,预设发送方式可以是控制装置10中的第二MCU芯片103通过CAN总线直接将信息发送至显示装置20中的第一MCU芯片203,那么相匹配的预设接收方式就可以是显示装置20中的第一MCU芯片203通过CAN总线接收信息;预设发送方式还可以是控制装置10中的第二MCU芯片103将信息发送至控制装置10中的串行器102,再由控制装置10中的串行器102将接收的信息发送至显示装置20中的解串器201,以使显示装置20中的解串器201将接收的信息发送至显示装置20中的第一MCU芯片203。
例如,控制装置10中的第二MCU芯片103可以通过连接的整车网络获取车辆中与安全功能相关的第二状态信息,并基于预设发送方式,将第二状态信息发送至显示装置20中的第一MCU芯片203,以使显示装置20中的第一MCU 芯片203通过与预设发送方式相匹配的预设接收方式获取第二状态信息,从而通过预设发送方式可以实现第二状态信息的精准传输,进而确保显示装置20中的第一MCU芯片203接收信息的准确性。
示例性地,图3给出了一种分体式全液晶组合仪表的结构示意图。如图3所示,第二MCU芯片103与串行器102通过I2C(Inter-Integrated Circuit,集成电路)总线进行连接;解串器201与第一MCU芯片203通过I2C总线进行连接;第二MCU芯片103用于:通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息,并生成第二状态信息对应的I2C信号,并将I2C信号发送至串行器102;串行器102还用于将I2C信号发送至解串器201;解串器201还用于将I2C信号发送至第一MCU芯片203;第一MCU芯片203用于:对I2C信号进行信号解析获得第二状态信息。
其中,I2C总线可以是多主控总线,可以用于替代标准的并行总线以连接各种集成电路和功能模块。I2C总线还可以用于保证通信实时性。I2C信号是可以通过I2C总线传输的第二状态信息。解析可以是将I2C信号解析成用于显示装置20中的第一MCU芯片203读取的第二状态信息的处理。
例如,控制装置10中的第二MCU芯片103可以通过整车网络获取第二状态信息,并将获取的第二状态信息转化为第二状态信息相对应的I2C信号,以使控制装置10中的第二MCU芯片103可以通过I2C总线将I2C信号发送至串行器102。串行器102将接收的I2C信号发送至解串器201,以使解串器201可以将接收的I2C信号发送至显示装置20中的第一MCU芯片203。显示装置20中的第一MCU芯片203可以将接受的I2C信号解析为显示装置20中的第一MCU芯片203可读取的第二状态信息,从而保证了信息传输的实时性和准确性。
示例性地,图4给出了另一种分体式全液晶组合仪表的结构示意图。如图4所示,控制装置10还包括:私有网络发送芯片104,私有网络发送芯片104与第二MCU芯片103进行连接,私有网络发送芯片104满足预设功能安全等级;显示装置20还包括:私有网络接收芯片205,私有网络接收芯片205与第一MCU芯片203进行连接,私有网络接收芯片205满足预设功能安全等级;第二MCU芯片103用于通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至私有网络发送芯片104;私有网络发送芯片104用于将接收的第二状态信息发送至私有网络接收芯片205;私有网络接收芯片205用于将接收的第二状态信息发送至第一MCU芯片203;第一MCU芯片203用于:接收私有网络接收芯片205发送的第二状态信息。
其中,私有网络发送芯片104可以是指通过网络专用于将第二状态信息发送至控制装置10中的第二MCU芯片103的芯片。例如,私有网络发送芯片104可以是私有CAN网络发送芯片。私有网络接收芯片205可以是指专用于接收私有网络发送芯片104发送的信息的芯片。
例如,控制装置10中的第二MCU芯片103可以通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至私有网络发送芯片104,以使私有网络发送芯片104可以将接收的第二状态信息发送至私有网络接收芯片205;私有网络接收芯片205只接收私有网络发送芯片104发送的数据信息,从而保证了信息传输的效率和准确性。私有网络接收芯片205可以将接收的第二状态信息发送至显示装置20中的第一MCU芯片203,以使显示装置20中的第一MCU芯片203可以接收私有网络接收芯片205发送的第二状态信息。
本申请实施例,在控制装置10中增设第二MCU芯片103,并利用控制装置10中的第二MCU芯片103通过连接的整车网络获取车辆中与安全功能相关的第二状态信息,并基于预设发送方式,将第二状态信息发送至显示装置20中的第一MCU芯片203,以使显示装置20中的第一MCU芯片203通过与预设发送方式相匹配的预设接收方式获取第二状态信息,从而通过预设发送方式可以实现第二状态信息的精准传输,进而确保显示装置20中的第一MCU芯片203接收信息的准确性,并将第二状态信息发送至视频处理模块202;利用显示装置20中的视频处理模块202可以将视频信息发送至显示装置20中的液晶显示器204中进行展示,并对显示装置20中的液晶显示器204所展示的与安全功能相关的当前展示信息与第二状态信息进行校验,基于校验结果对当前展示信息进行更新展示,从而可以在SOC芯片101不满足预设功能安全等级时,保证与安全功能相关的状态信息展示的准确性,从而有效保证用户的行车安全。
在上述实施例的基础上,显示装置20还包括:电源管理模块,电源管理模块满足预设功能安全等级;电源管理模块用于对第一MCU芯片203和视频处理模块202的当前电源电压进行监测,并在当前电源电压超过工作电压范围时进行重新初始化处理。
其中,监测可以是实时监测。初始化处理可以是用于将显示装置20中的第一MCU芯片203和显示装置20中的视频处理模块202相对应的电源电压调整为符合正常工作电压范围的电压的处理方式。
在一示例中,图8中示出了电源管理模块207。
例如,显示装置20中还包括满足预设功能安全等级的电源管理模块,用于对显示装置20中的第一MCU芯片203和显示装置20中的视频处理模块202的当前电源电压进行监测,并在当前电源电压超过工作电压范围时进行重新初始化处理,避免了当前电源电压超过工作电压范围可能会造成的不良后果,如显示装置20中的视频处理模块202超压运行烧坏导致显示装置20中的液晶显示器204中显示内容无法根据车辆状态进行更新,从而保证显示装置20的正常运行,提高了显示装置20中的液晶显示器204关于安全功能的展示的准确性和实时性。
实施例三
图5是本申请实施例三提供了一种信息展示方法的流程图。本实施例提供的信息展示方法可以进行车辆中仪表上的信息展示,尤其是可以由分体式全液晶组合仪表运行。其中,分体式全液晶组合仪表包括显示装置和控制装置。如图5所示,信息展示方法可以包括:
S310、通过控制装置中的SOC芯片,获取车辆中待显示的第一状态信息,并对第一状态信息进行处理,生成第一状态信息对应的视频信息,并将视频信息发送至控制装置中的串行器。
其中,SOC芯片是相较于MCU芯片可以进行复杂任务处理的芯片。第一状态信息可以是指待显示在液晶显示器上的车辆状态信息。例如,第一状态信息可以包括但不限于车速信息、胎压信息和/或ABS故障报警信息。视频信息可以是指通过SOC芯片转化后用于在液晶显示器上显示的信息。
例如,控制装置中的SOC芯片可以通过预设获取第一状态信息的方式获取车辆中待显示的第一状态信息。例如,控制装置中的SOC芯片可以通过整车网络以10ms为一个周期获取车辆中待显示的第一状态信息。其中,整车网络可以是指以太网或CAN总线。控制装置中的SOC芯片可以对接收的第一状态信息进行处理,并生成第一状态信息对应的视频信息,以使液晶显示器可以基于该信息直接进行显示。控制装置中的SOC芯片可以将视频信息发送至串行器。
S320、通过控制装置中的串行器,对视频信息进行编串,并将编串后的视频编串信息发送至显示装置中的解串器。
例如,控制装置中的串行器可以对接收到的控制装置中的SOC芯片发送的视频信息进行编串处理,并将编串后的视频编串信息发送至显示装置中的解串器。
S330、通过显示装置中的解串器,对视频编串信息进行解串,并将解串后 的视频信息发送至显示装置中的视频处理模块。
例如,显示装置中的解串器可以对接收到的视频编串信息进行解串处理,并将解串后的视频信息发送至显示装置中的视频处理模块。
S340、通过显示装置中的第一MCU芯片,基于预设获取方式,获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至显示装置中的视频处理模块。
其中,第一MCU芯片可以是指位于显示装置中的MCU芯片。车辆中的安全功能的数量为多个。例如:ABS功能是多个安全功能中一个安全功能。预设获取方式可以是指预先基于业务需求设置的获取车辆中与安全功能相关的第二状态信息的方式。例如,预设获取方式可以是指通过整车网络的方式。其中,整车网络可以是指以太网或CAN总线。第二状态信息可以是指车辆中各个与安全功能相关的车辆状态信息。例如,第二状态信息可以包括但不限于ABS故障报警信息。
例如,显示装置中的第一MCU芯片可以基于预设获取方式获取车辆中与安全功能相关的第二状态信息,并将获取的第二状态信息发送至显示装置中的视频处理模块。
示例性地,“基于预设获取方式,获取车辆中与安全功能相关的第二状态信息”可以包括:基于第一MCU芯片通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息。
其中,整车网络可以是指以太网或CAN总线。
例如,显示装置中的第一MCU芯片可以通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息。
S350、通过显示装置中的视频处理模块,将视频信息发送至显示装置中的液晶显示器中进行展示,并对液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息进行校验,基于校验结果对当前展示信息进行更新展示。
其中,校验可以是通过预设校验方式进行处理。例如,预设校验方式可以是指CRC校验。校验结果可以是指液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息是否一致。更新展示可以是指将液晶显示器所展示的与安全功能相关的当前展示信息更新为第二状态信息。
例如,显示装置中的视频处理模块可以将接收的视频信息发送至液晶显示器中,以使液晶显示器基于视频信息进行展示,实现驾驶员可以通过液晶显示器所展示的内容确认车辆状态。显示装置中的视频处理模块可以将液晶显示器 所展示的与安全功能相关的当前展示信息与第二状态信息通过预设校验方式进行校验,并基于校验结果对当前展示信息进行更新展示。若液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息的校验结果一致,则视频处理模块无需对液晶显示器所展示的与安全功能相关的当前展示信息做任何处理。若液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息的校验结果不一致,则视频处理模块需要根据第二状态信息对液晶显示器当前展示信息进行更新展示,以使液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息一致,以在SOC芯片不满足预设功能安全等级时,保证与安全功能相关的状态信息展示的准确性,从而有效保证用户的行车安全。
示例性地,“基于校验结果对当前展示信息进行更新展示”可以包括:基于校验结果确定当前展示信息和第二状态信息不一致的目标安全功能;基于目标安全功能对应的第二状态信息,从图标数据库中确定出目标安全功能对应的目标展示图标;基于将目标展示图标发送至液晶显示器中,以使液晶显示器对目标安全功能对应的当前展示信息进行更新展示。
其中,图标数据库可以是指存储预设图标的数据库。图标数据库中的每个预设图标对应一个不重复预设图标标识。校验结果确定当前展示信息和第二状态信息不一致可以是指需要在液晶显示器上显示该图标而并未显示该图标的情况和/或需要在液晶显示器上显示该图标而显示另一图标的情况和/或无需在液晶显示器上显示该图标而显示了该图标的情况。目标安全功能可以是指校验结果为不一致,并需要基于校验结果进行更新展示的安全功能。目标展示图标可以是指目标安全功能对应的需要显示在液晶显示器上的图标。
例如,视频处理模块可以基于校验结果确定当前展示信息和第二状态信息不一致的目标安全功能。若为需要在液晶显示器上显示该图标而并未显示该图标的情况,则基于目标安全功能对应的第二状态信息,从图标数据库中确定出目标安全功能对应的目标展示图标,并将目标展示图标发送至液晶显示器中,以使液晶显示器对目标安全功能对应的当前展示信息进行更新展示,以在SOC芯片不满足预设功能安全等级时,保证与安全功能相关的状态信息展示的准确性。
本申请实施例,通过控制装置中的SOC芯片可以获取车辆中待显示的第一状态信息,并对第一状态信息进行处理,生成第一状态信息对应的视频信息,并将视频信息发送至控制装置中的串行器;控制装置中的串行器可以对视频信息进行编串,并将编串后的视频编串信息发送至显示装置中的解串器;显示装 置中的解串器可以对视频编串信息进行解串,并将解串后的视频信息发送至显示装置中的视频处理模块;显示装置中的第一MCU芯片可以基于预设获取方式获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至显示装置中的视频处理模块;显示装置中的视频处理模块可以将视频信息发送至显示装置中的液晶显示器中进行展示,并对显示装置中的液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息进行校验,基于校验结果对当前展示信息进行更新展示,以使显示装置中的液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息一致,实现液晶显示器关于安全功能的准确展示,从而可以在SOC芯片不满足预设功能安全等级时,保证与安全功能相关的状态信息展示的准确性,从而有效保证用户的行车安全。
在上述实施例的基础上,控制装置还包括:第二MCU芯片;其中,第二MCU芯片满足预设功能安全等级;该方法还包括:基于第二MCU芯片通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息;基于第二MCU芯片中预设发送方式,将第二状态信息发送至第一MCU芯片;基于第一MCU芯片中与预设发送方式相匹配的预设接收方式,获取第二状态信息。
其中,第二MCU芯片可以是位于控制装置中的MCU芯片。预设发送方式和预设接收方式是相匹配的,用于发送和接收第二状态信息。例如,预设发送方式可以是控制装置中的第二MCU芯片通过CAN总线直接将信息发送至显示装置中的第一MCU芯片,那么相匹配的预设接收方式就可以是显示装置中的第一MCU芯片通过CAN总线接收信息;预设发送方式还可以是控制装置中的第二MCU芯片将信息发送至控制装置中的串行器,再由控制装置中的串行器将接收的信息发送至显示装置中的解串器,以使显示装置中的解串器将接收的信息发送至显示装置中的第一MCU芯片。
例如,控制装置中的第二MCU芯片可以通过连接的整车网络获取车辆中与安全功能相关的第二状态信息,并基于预设发送方式,将第二状态信息发送至显示装置中的第一MCU芯片,以使显示装置中的第一MCU芯片通过与预设发送方式相匹配的预设接收方式获取第二状态信息,从而通过预设发送方式可以实现第二状态信息的精准传输,进而确保显示装置中的第一MCU芯片接收信息的准确性。
示例性地,“基于预设发送方式,将第二状态信息发送至第一MCU芯片;第一MCU芯片,基于与预设发送方式相匹配的预设接收方式,获取第二状态信息”可以包括:基于第二MCU芯片通过连接的整车网络,获取车辆中与安全功 能相关的第二状态信息;基于第二MCU芯片生成第二状态信息对应的I2C信号;基于第二MCU芯片通过I2C总线将I2C信号发送至串行器;其中,第二MCU芯片与串行器通过I2C总线进行连接;解串器与第一MCU芯片通过I2C总线进行连接;串行器还用于将I2C信号发送至解串器;解串器还用于将I2C信号发送至第一MCU芯片;第一MCU芯片还用于对I2C信号进行信号解析获得第二状态信息。
其中,I2C总线可以是多主控总线,可以用于替代标准的并行总线以连接各种集成电路和功能模块。I2C总线还可以用于保证通信实时性。I2C信号是可以通过I2C总线传输的第二状态信息。解析可以是将I2C信号解析成用于显示装置中的第一MCU芯片读取的第二状态信息的处理。
例如,控制装置中的第二MCU芯片可以通过整车网络获取第二状态信息,并将获取的第二状态信息转化为第二状态信息相对应的I2C信号,以使控制装置中的第二MCU芯片可以通过I2C总线将I2C信号发送至串行器。串行器将接收的I2C信号发送至解串器,以使解串器可以将接收的I2C信号发送至显示装置中的第一MCU芯片。显示装置中的第一MCU芯片可以将接受的I2C信号解析为显示装置中的第一MCU芯片可读取的第二状态信息,从而保证了信息传输的实时性和准确性。
示例性地,控制装置还包括:私有网络发送芯片;其中,私有网络发送芯片与第二MCU芯片进行连接,私有网络发送芯片满足预设功能安全等级;显示装置还包括:私有网络接收芯片;其中,私有网络接收芯片与第一MCU芯片进行连接,私有网络接收芯片满足预设功能安全等级;基于第二MCU芯片通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至私有网络发送芯片;基于私有网络发送芯片将接收的第二状态信息发送至私有网络接收芯片;基于私有网络接收芯片将接收的第二状态信息发送至第一MCU芯片;基于第一MCU芯片将接收私有网络接收芯片发送的第二状态信息。
其中,私有网络发送芯片可以是指通过网络专用于将第二状态信息发送至控制装置中的第二MCU芯片的芯片。例如,私有网络发送芯片可以是私有CAN网络发送芯片。私有网络接收芯片可以是指专用于接收私有网络发送芯片发送的信息的芯片。
例如,控制装置中的第二MCU芯片可以通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至私有网络发送芯片, 以使私有网络发送芯片可以将接收的第二状态信息发送至私有网络接收芯片;私有网络接收芯片只接收私有网络发送芯片发送的数据信息,从而保证了信息传输的效率和准确性。私有网络接收芯片可以将接收的第二状态信息发送至显示装置中的第一MCU芯片,以使显示装置中的第一MCU芯片可以接收私有网络接收芯片发送的第二状态信息。
在上述实施例的基础上,显示装置还包括:电源管理模块;其中,电源管理模块满足预设功能安全等级;基于电源管理模块对第一MCU芯片和视频处理模块的当前电源电压进行监测;基于监测结果在当前电源电压超过工作电压范围时进行重新初始化处理。
其中,监测可以是实时监测。初始化处理可以是用于将显示装置中的第一MCU芯片和显示装置中的视频处理模块相对应的电源电压调整为符合正常工作电压范围的电压的处理方式。
例如,显示装置中还包括满足预设功能安全等级的电源管理模块,用于对显示装置中的第一MCU芯片和显示装置中的视频处理模块的当前电源电压进行监测,并在当前电源电压超过工作电压范围时进行重新初始化处理,避免了当前电源电压超过工作电压范围可能会造成的不良后果,如显示装置中的视频处理模块超压运行烧坏导致显示装置中的液晶显示器中显示内容无法根据车辆状态进行更新,从而保证显示装置的正常运行,提高了显示装置中的液晶显示器关于安全功能的展示的准确性和实时性。
实施例四
图6是本申请实施例四提供的一种车辆的结构示意图。该车辆可以包括分体式全液晶组合仪表40。其中,分体式全液晶组合仪表40可以是上述任意实施例所提供的分体式全液晶组合仪表,用于执行上述任意实施例所提供的信息展示方法。例如,该分体式全液晶组合仪表40可以包括:显示装置和控制装置;其中,显示装置包括:解串器、第一MCU芯片、视频处理模块和液晶显示器;控制装置包括:SOC芯片和串行器。
其中,解串器、第一MCU芯片、视频处理模块和串行器均满足预设功能安全等级,SOC芯片不满足预设功能安全等级;其中,SOC芯片用于获取车辆中待显示的第一状态信息,并对第一状态信息进行处理,生成第一状态信息对应的视频信息,并将视频信息发送至串行器;串行器用于对视频信息进行编串,并将编串后的视频编串信息发送至解串器;解串器用于对视频编串信息进行解串,并将解串后的视频信息发送至视频处理模块;第一MCU芯片用于基于预设 获取方式,获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至视频处理模块;视频处理模块,用于将视频信息发送至液晶显示器中进行展示,并对液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息进行校验,基于校验结果对当前展示信息进行更新展示。
本申请实施例,利用控制装置中的不满足预设功能安全等级的SOC芯片获取车辆中待显示的第一状态信息,并对第一状态信息进行处理,生成第一状态信息对应的视频信息,并将视频信息发送至控制装置中的串行器;利用控制装置中的串行器对视频信息进行编串,并将编串后的视频编串信息发送至显示装置中的解串器;利用显示装置中的解串器对视频编串信息进行解串,并将解串后的视频信息发送至显示装置中的视频处理模块;显示装置中的第一MCU芯片可以基于预设获取方式,获取车辆中与安全功能相关的第二状态信息,并将第二状态信息发送至显示装置中的视频处理模块;利用显示装置中的视频处理模块可以将视频信息发送至显示装置中的液晶显示器中进行展示,并对显示装置中的液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息进行校验,基于校验结果对当前展示信息进行更新展示,以使显示装置中的液晶显示器所展示的与安全功能相关的当前展示信息与第二状态信息一致,实现液晶显示器关于安全功能的准确展示,从而可以在SOC芯片不满足预设功能安全等级时,保证与安全功能相关的状态信息展示的准确性,从而有效保证用户的行车安全。
应该理解,可以使用上面所示的各种形式的流程,重新排序、增加或删除步骤。例如,本申请中记载的各步骤可以并行地执行也可以顺序地执行也可以不同的次序执行,本文在此不进行限制。
上述具体实施方式,并不构成对本申请保护范围的限制。本领域技术人员应该明白的是,根据设计要求和其他因素,可以进行各种修改、组合、子组合和替代。

Claims (10)

  1. 一种分体式全液晶组合仪表,包括:显示装置(20)和控制装置(10),其中,所述显示装置(20)包括:解串器(201)、第一微控制器MCU芯片(203)、视频处理模块(202)和液晶显示器(204);所述控制装置(10)包括:系统级芯片SOC芯片(101)和串行器(102);
    其中,所述解串器(201)、所述第一MCU芯片(203)、所述视频处理模块(202)和所述串行器(102)分别满足预设功能安全等级,所述SOC芯片(101)不满足预设功能安全等级;其中,
    所述SOC芯片(101)设置为获取车辆中待显示的第一状态信息,并对所述第一状态信息进行处理,生成所述第一状态信息对应的视频信息,并将所述视频信息发送至所述串行器(102);
    所述串行器(102)设置为对所述视频信息进行编串,并将编串后的视频编串信息发送至所述解串器(201);
    所述解串器(201)设置为对所述视频编串信息进行解串,并将解串后的视频信息发送至所述视频处理模块(202);
    所述第一MCU芯片(203)设置为基于预设获取方式,获取车辆中与安全功能相关的第二状态信息,并将所述第二状态信息发送至所述视频处理模块(202);
    所述视频处理模块(202)设置为将所述视频信息发送至所述液晶显示器(204)中进行展示,并对所述液晶显示器(204)所展示的与安全功能相关的当前展示信息与所述第二状态信息进行校验,基于校验结果对所述当前展示信息进行更新展示。
  2. 根据权利要求1所述的分体式全液晶组合仪表,其中,所述显示装置(20)还包括:图标数据库(206),所述图标数据库(206)与所述视频处理模块(202)进行连接,设置为存储安全功能对应的展示图标;
    所述视频处理模块(202),设置为:基于校验结果确定当前展示信息和第二状态信息不一致的目标安全功能,并基于所述目标安全功能对应的第二状态信息,从所述图标数据库(206)中确定出所述目标安全功能对应的目标展示图标,并将所述目标展示图标发送至所述液晶显示器(204)中,以使所述液晶显示器(204)对所述目标安全功能对应的当前展示信息进行更新展示。
  3. 根据权利要求1所述的分体式全液晶组合仪表,其中,所述第一MCU芯片(203)与整车网络进行连接;
    所述第一MCU芯片(203)设置为:通过连接的整车网络,获取车辆中与 安全功能相关的第二状态信息。
  4. 根据权利要求1所述的分体式全液晶组合仪表,其中,所述控制装置(10)还包括:第二MCU芯片(103),所述第二MCU芯片(103)满足预设功能安全等级;
    所述第二MCU芯片(103)设置为通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息,并基于预设发送方式,将所述第二状态信息发送至所述第一MCU芯片(203);
    所述第一MCU芯片(203)设置为:与所述预设发送方式相匹配的预设接收方式,获取所述第二状态信息。
  5. 根据权利要求4所述的分体式全液晶组合仪表,其中,所述第二MCU芯片(103)与所述串行器(102)通过I2C总线进行连接;所述解串器(201)与所述第一MCU芯片(203)通过I2C总线进行连接;
    所述第二MCU芯片(103)设置为:通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息,并生成所述第二状态信息对应的I2C信号,并将I2C信号发送至所述串行器(102);
    所述串行器(102)还设置为将所述I2C信号发送至所述解串器(201);
    所述解串器(201)还设置为将所述I2C信号发送至所述第一MCU芯片(203);
    所述第一MCU芯片(203)设置为:对所述I2C信号进行信号解析获得所述第二状态信息。
  6. 根据权利要求4所述的分体式全液晶组合仪表,其中,所述控制装置(10)还包括:私有网络发送芯片(104),所述私有网络发送芯片(104)与所述第二MCU芯片(103)进行连接,所述私有网络发送芯片(104)满足预设功能安全等级;
    所述显示装置(20)还包括:私有网络接收芯片(205),所述私有网络接收芯片(205)与所述第一MCU芯片(203)进行连接,所述私有网络接收芯片(205)满足预设功能安全等级;
    所述第二MCU芯片(103)设置为通过连接的整车网络,获取车辆中与安全功能相关的第二状态信息,并将所述第二状态信息发送至所述私有网络发送芯片(104);
    所述私有网络发送芯片(104)设置为将接收的所述第二状态信息发送至所述私有网络接收芯片(205);
    所述私有网络接收芯片(205)设置为将接收的所述第二状态信息发送至所述第一MCU芯片(203);
    所述第一MCU芯片(203)设置为:接收所述私有网络接收芯片(205)发送的所述第二状态信息。
  7. 根据权利要求1-6任一项所述的分体式全液晶组合仪表,其中,所述显示装置(20)还包括:电源管理模块(207),所述电源管理模块(207)满足预设功能安全等级;
    所述电源管理模块(207)设置为对所述第一MCU芯片(203)和所述视频处理模块(202)的当前电源电压进行监测,并在当前电源电压超过工作电压范围时进行重新初始化处理。
  8. 一种信息展示方法,应用于分体式全液晶组合仪表,所述分体式全液晶组合仪表包括显示装置(20)和控制装置(10),所述方法包括:
    通过所述控制装置(10)中的SOC芯片(101),获取车辆中待显示的第一状态信息,并对所述第一状态信息进行处理,生成所述第一状态信息对应的视频信息,并将所述视频信息发送至所述控制装置(10)中的串行器(102);
    通过所述控制装置(10)中的串行器(102),对所述视频信息进行编串,并将编串后的视频编串信息发送至所述显示装置(20)中的解串器(201);
    通过所述显示装置(20)中的解串器(201),对所述视频编串信息进行解串,并将解串后的视频信息发送至所述显示装置(20)中的视频处理模块(202);
    通过所述显示装置(20)中的第一MCU芯片(203),基于预设获取方式,获取车辆中与安全功能相关的第二状态信息,并将所述第二状态信息发送至所述显示装置(20)中的视频处理模块(202);
    通过所述显示装置(20)中的视频处理模块(202),将所述视频信息发送至所述显示装置(20)中的液晶显示器(204)中进行展示,并对所述液晶显示器(204)所展示的与安全功能相关的当前展示信息与所述第二状态信息进行校验,基于校验结果对所述当前展示信息进行更新展示。
  9. 根据权利要求8所述的信息展示方法,其中,所述基于校验结果对所述当前展示信息进行更新展示,包括:
    基于校验结果确定当前展示信息和第二状态信息不一致的目标安全功能;
    基于所述目标安全功能对应的第二状态信息,从图标数据库(206)中确定出所述目标安全功能对应的目标展示图标;
    将所述目标展示图标发送至所述液晶显示器(204)中,以使所述液晶显示 器(204)对所述目标安全功能对应的当前展示信息进行更新展示。
  10. 一种车辆,包括权利要求1-7任一项所述的分体式全液晶组合仪表。
PCT/CN2023/099203 2022-07-29 2023-06-08 分体式全液晶组合仪表、信息展示方法和车辆 WO2024021905A1 (zh)

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