CN210617852U - Pure electric vehicles combination meter assembly - Google Patents
Pure electric vehicles combination meter assembly Download PDFInfo
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- CN210617852U CN210617852U CN201921446505.5U CN201921446505U CN210617852U CN 210617852 U CN210617852 U CN 210617852U CN 201921446505 U CN201921446505 U CN 201921446505U CN 210617852 U CN210617852 U CN 210617852U
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Abstract
The utility model relates to a pure electric vehicles combination meter assembly, it includes shell, PC dial plate, glass face guard and PCBA circuit board assembly; the PC dial plate comprises a main interface UI; the PCBA circuit board assembly comprises a main controller MCU and an LED drive module; the middle display area of the main interface UI is a color TFT display area, and atmosphere lamp lines of any color are uniformly distributed on the periphery of the display areas on the two sides; the atmosphere light lines of any color are displayed by three-color lamps; the three-color lamp consists of one or more than one three-color LED lamp group; the LED driving module is electrically connected with the three-color LED lamp group; each three-color LED lamp group is formed by connecting three LEDs with different colors in parallel. The utility model has the advantages of simple and reasonable design, with low costs, dial plate display screen integrated design adopts multiple color to show, has realized dial plate vision integration effect, has promoted user experience and has felt convenient to use, safety.
Description
Technical Field
The utility model belongs to the combination meter field especially relates to a pure electric vehicles combination meter assembly.
Background
The automobile is one of the most important transportation means in the current society, makes a great contribution to the development of national economy, and along with the rapid development of computer technology, computer networks, electronic technology and sensor technology, the electronic technology of the automobile is more and more mature and perfect, and the automobile electronic technology is widely applied and developed on the automobile. The automobile instrument panel is used as the most important information terminal on the automobile and provides information of automobile running and working states of all parts in the automobile for a driver. With the development of automotive electronic technology, an automotive instrument panel becomes an electronic control information center of an automobile, more and more information can be provided, and functions are more and more powerful, so that the automobile instrument panel is a research key point of automotive electronic technology.
Now, with the restriction of energy and environment, a pure electric vehicle in the vehicle gradually becomes an important direction of the development of the vehicle technology in the world, and an instrument becomes an important factor influencing the use experience of an electric vehicle driver. In current instrument, the scheme that has adopted mechanical instrument mostly, the use of various pointers promptly does not reflect the sensation of electric automobile combination meter integration, consequently can't be perfect show whole car state, promotes user experience and feels, for this reason, the manufacturer develops the combination screen instrument in order to realize dial plate vision integration effect.
Disclosure of Invention
The utility model relates to a solve that current instrument can't embody electric automobile combination meter integration and a structural design that proposes is simple, reasonable, with low costs, dial plate display screen integrated design adopts multiple color to show, has realized dial plate vision integration effect, has promoted user experience and has felt convenient to use, safe pure electric automobile combination meter assembly.
The utility model discloses a realize through following technical scheme:
the pure electric automobile combination instrument assembly comprises a shell, a PC dial plate, a glass mask and a PCBA circuit board assembly; the shell is fixedly arranged on the instrument desk of the whole vehicle; the PC dial plate is installed on the front face of the shell in a matching mode and comprises a main interface UI; the glass mask is mounted on the front surface of the PC dial plate in a matching manner; the PCBA circuit board assembly is mounted on the inner side of the shell in a matching mode; the PCBA circuit board assembly comprises a main controller MCU and an LED driving module; the main controller MCU is electrically connected with the LED driving module; the middle display area of the main interface UI is a color TFT display area, and atmosphere lamp lines of any color are uniformly distributed on the periphery of the display areas on the two sides; the atmosphere lamp lines of any color are displayed by three-color lamps; the three-color lamp consists of one or more than one three-color LED lamp group; the LED driving module is electrically connected with the three-color LED lamp bank; each three-color LED lamp group is formed by connecting three light-emitting diodes with different colors in parallel.
The pure electric vehicles combination meter assembly, wherein: the MCU consists of a chip U2 and resistors R2-R4; the model of the chip U2 is TMPR461XBG-BGA328 and is provided with a pin DOHDISP, a pin DOHSYNC, a pin DOVSYNC and a pin DOTCLK; one end of the resistor R2 is connected with a +5V power supply, and the other end of the resistor R2 is connected with a pin DOVSYNC of the chip U2; one end of the resistor R3 is connected with a +5V power supply, and the other end of the resistor R3 is connected with a pin DOHSYNC of the chip U2; one end of the resistor R4 is connected with a +5V power supply, and the other end of the resistor R4 is connected with a pin DOHDISP of the chip U2; the resistance value of the resistor R2 is 100K omega, and the resistance values of the resistors R3 and R4 are both 1K omega.
The pure electric vehicles combination meter assembly, wherein: the LED driving module consists of a chip U1, a resistor R1, resistors R5 and R6 and capacitors C1-C7; the model of the chip U1 IS IS32FL3738, which IS connected with a +5V power supply through a pin PVCC and a pin AVCC, IS grounded through a pin PGND, a pin ADDR and a pin GND, IS connected with a pin DOHDISP of the chip U2 through a pin SDA, IS connected with a pin DOHSYNC of the chip U2 through a pin SCL, IS connected with a pin DOVSYNC of the chip U2 through a pin INTB, and IS connected with a pin DOTCLK of the chip U2 through a pin SDB; one end of the resistor R5 is grounded, and the other end of the resistor R5 is connected with a pin SDB of the chip U1; one end of the resistor R6 is grounded, and the other end of the resistor R6 is connected with a pin REST of the chip U1; one end of the resistor R1 is connected with a +5V power supply, and the other end of the resistor R1 is connected with a pin VIO of the chip U1; one end of the capacitor C1 is grounded, and the other end of the capacitor C1 is connected with a pin VIO of the chip U1; one ends of the capacitors C2-C5 are grounded, and the other ends of the capacitors C2-C5 are connected with a pin PVCC of the chip U1; one ends of the capacitors C6 and C7 are grounded, and the other ends of the capacitors C6 and C7 are connected with a pin AVCC of the chip U1; the resistance value of the resistor R1 is 1K omega, the resistance value of the resistor R5 is 100K omega, and the resistance value of the resistor R6 is 20K omega; the capacitance values of the capacitors C2, C4 and C6 are all 470nF/25V, and the capacitance values of the capacitors C1, C3 and C5 are all 0.1 uF/25V.
The pure electric vehicles combination meter assembly, wherein: the three-color lamp is composed of three-color lamp groups LED 1-LED 6, the types of the three-color lamp groups LED 1-three LED6 are 5050AVGB00C10, and the three-color lamp groups LED 1-three LED6 are formed by connecting three light-emitting diodes with different colors in parallel; three anode ends of the three-color lamp group LED1 are connected with a pin CS1 of the chip U1, and three cathode ends of the three-color lamp group LED1 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED2 are connected with a pin CS2 of the chip U1, and three cathode ends of the three-color lamp group LED2 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED3 are connected with a pin CS3 of the chip U1, and three cathode ends of the three-color lamp group LED3 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED4 are connected with a pin CS4 of the chip U1, and three cathode ends of the three-color lamp group LED4 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED5 are connected with a pin CS5 of the chip U1, and three cathode ends of the three-color lamp group LED5 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED6 are connected with a pin CS6 of the chip U1, and three cathode ends of the three-color lamp group LED6 are correspondingly connected with pins SW 4-SW 6 of the chip U1.
The pure electric vehicles combination meter assembly, wherein: the main interface UI is composed of a 7-inch TFT color liquid crystal display screen positioned in the middle, and a residual electric quantity dial plate and a motor power dial plate which are positioned on two sides of the 7-inch TFT color liquid crystal display screen; the middle display area of the main interface UI adopts the 7-inch TFT color liquid crystal display screen as a color TFT display area; and atmosphere lamp lines of any color are uniformly distributed in the display areas on the two sides of the UI, namely the peripheries of the residual electricity meter dial and the motor power meter dial.
The pure electric vehicles combination meter assembly, wherein: the bottom side of the shell is provided with a plug connector; 7 very little TFT color liquid crystal display with PCBA circuit board assembly all connects the plug connector passes through the plug connector is connected with whole car pencil electricity.
The pure electric vehicles combination meter assembly, wherein: the glass mask is an acrylic transparent glass mask; the shell is made of a plastic structural part.
Has the advantages that:
the utility model discloses pure electric automobile combination instrument assembly structural design is simple, reasonable, and is with low costs, adopt the UI structural design of atmosphere lamp, the middle part display area of the main interface UI of PC dial plate is colored TFT display area promptly, the peripheral evenly distributed of the both sides display area of main interface UI has the atmosphere lamp line strip of arbitrary color, the atmosphere lamp line strip of arbitrary color adopts the tricolor lamp to show, the tricolor lamp comprises a set of and more than a set of tricolor LED banks, adopt the principle of giving out light of tricolor LED banks, can let the atmosphere lamp line strip of both sides show the colour, through carrying out the color adjustment to the tricolor lamp, make the atmosphere lamp line strip of both sides and the background colour that colored TFT display area shows completely unanimous or the effect of transiting gradually, make the main interface UI of whole dial plate PC muddy an organic whole, it seems to be a sense of full-color liquid crystal instrument, form the price of only full-color liquid crystal instrument 50%, other each item show performance index and all can reach the demonstration requirement of full-color LCD screen, this kind adopts dial plate display screen integrated design and adopts the form that multiple color shows, has realized dial plate vision integration effect, has promoted user experience and has felt, convenient to use, safety are suitable for popularization and application.
Drawings
Fig. 1 is a front view of the combination meter assembly of the pure electric vehicle of the present invention;
fig. 2 is a bottom view of the combination meter assembly of the pure electric vehicle of the present invention;
FIG. 3 is a control relationship diagram of the utility model combination meter system;
FIG. 4 is a schematic circuit diagram of the main controller MCU and the LED driving module of the PCBA circuit board assembly in the pure electric vehicle combination instrument assembly of the present invention;
figure 5 is the utility model discloses the circuit schematic diagram of the three-color lamp of PCBA circuit board assembly in the pure electric vehicles combination meter assembly.
Detailed Description
As shown in figures 1 to 5, the utility model discloses pure electric automobile combination meter assembly, including shell 1, PC dial plate 2, glass face guard 3 and PCBA circuit board assembly 4.
The shell 1 is made of a plastic structural member and is fixedly arranged on a whole vehicle instrument desk, and a plug connector 11 is arranged at the bottom of the shell.
The PC dial 2 is arranged on the front surface of the shell 2 in a matching way and comprises a main interface UI; the main interface UI consists of a residual electricity meter dial 21 positioned on the left side, a motor power meter dial 22 positioned on the right side and a 7-inch TFT color liquid crystal display screen 23 positioned in the middle; the 7-inch TFT color LCD 23 is electrically connected with a connector 11 and is electrically connected with the whole vehicle wiring harness through the connector 11. A7-inch TFT color liquid crystal display 23 is adopted as a color TFT display area in the middle display area of the main interface UI, and atmosphere lamp lines 24 are uniformly distributed on the peripheries of the residual electric quantity dial 21 and the motor power dial 22 on the two sides of the main interface UI. The atmosphere lamp lines 24 on the two sides of the main interface UI are displayed by using UI atmosphere lamps of any color, and the UI atmosphere lamps adopt three-color lamps. The residual electric quantity dial 21, the motor power dial 22 and the 7-inch TFT color liquid crystal display screen 23 are respectively used for displaying various alarming and driving indicating lamps and other information. The 7-inch TFT color LCD 23 can be written and driven by application software to realize display information, character information, alarm identification information and the like of various virtual instruments.
The glass face shield 3 adopts an acrylic transparent glass face shield and is installed on the front surface of the PC dial 2 in a matching way.
As shown in fig. 3, the PCBA circuit board assembly 4 is fittingly mounted inside the housing 1, electrically connected to the plug 11 and electrically connected to the entire vehicle harness through the plug 11. The PCBA circuit board assembly 4 is integrated with a main controller MCU41, an LED drive module 42 and a three-color lamp 43 which are connected.
The main controller MCU41 is electrically connected to the LED driving module 42, and the LED driving module 42 is electrically connected to the three-color lamp 43.
As shown in FIG. 4, the main controller MCU41 is composed of a chip U2 and resistors R2-R4; the model of the chip U2 is TMPR461XBG-BGA328 and is provided with a pin DOHDISP, a pin DOHSYNC, a pin DOVSYNC and a pin DOTCLK; one end of the resistor R2 is connected with a +5V power supply, and the other end is connected with a pin DOVSYNC of the chip U2; one end of the resistor R3 is connected with a +5V power supply, and the other end is connected with a pin DOHSYNC of the chip U2; one end of the resistor R4 is connected with a +5V power supply, and the other end is connected with a pin DOHDISP of a chip U2. The resistance value of the resistor R2 is 100K Ω, and the resistance values of the resistors R3 and R4 are both 1K Ω.
As shown in fig. 4, the LED driving module 42 is composed of a chip U1, a resistor R1, resistors R5 and R6, and capacitors C1 to C7; the model of the chip U1 IS IS32FL3738, which IS connected with a +5V power supply through a pin PVCC and a pin AVCC, IS grounded through a pin PGND, a pin ADDR and a pin GND, IS connected with a pin DOHDISP of the chip U2 through a pin SDA, IS connected with a pin DOHSYNC of the chip U2 through a pin SCL, IS connected with a pin DOVSYNC of the chip U2 through a pin INTB, and IS connected with a pin DOTCLK of the chip U2 through a pin SDB; one end of the resistor R5 is grounded, and the other end is connected with a pin SDB of the chip U1; one end of the resistor R6 is grounded, and the other end is connected with a pin REST of the chip U1; one end of the resistor R1 is connected with a +5V power supply, and the other end is connected with a pin VIO of the chip U1; one end of the capacitor C1 is grounded, and the other end is connected with a pin VIO of the chip U1; one ends of the capacitors C2-C5 are grounded, and the other ends of the capacitors are connected with a pin PVCC of the chip U1; one end of each of the capacitors C6 and C7 is grounded, and the other end is connected with a pin AVCC of the chip U1. The resistance value of the resistor R1 is 1K omega, the resistance value of the resistor R5 is 100K omega, and the resistance value of the resistor R6 is 20K omega; the capacitance values of the capacitors C2, C4 and C6 are 470nF/25V, and the capacitance values of the capacitors C1, C3 and C5 are 0.1 uF/25V.
As shown in fig. 5, the UI atmosphere lamp adopts a three-color lamp 43, the three-color lamp 43 is composed of three-color lamp sets LEDs 1-LED 6, the types of the three-color lamp sets LEDs 1-three LED6 are 5050AVGB00C10, and the three-color lamp sets LEDs 1-three LED6 are formed by connecting light emitting diodes of three colors in parallel; in this embodiment, each three-color light 43 is composed of three red, green and blue leds connected in parallel. Three anode ends of the three-color lamp group LED1 are connected with a pin CS1 of a chip U1, and three cathode ends of the three-color lamp group LED1 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED2 are connected with a pin CS2 of a chip U1, and three cathode ends of the three-color lamp group LED2 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED3 are connected with a pin CS3 of a chip U1, and three cathode ends of the three-color lamp group LED3 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED4 are connected with a pin CS4 of a chip U1, and three cathode ends of the three-color lamp group LED4 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED5 are connected with a pin CS5 of a chip U1, and three cathode ends of the three-color lamp group LED5 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp set LED6 are connected with a pin CS6 of the chip U1, and three cathode ends of the three-color lamp set LED6 are correspondingly connected with pins SW 4-SW 6 of the chip U1. The chip U1 controls the anode ends of the three-color lamp groups LED 1-LED 6 through pins CS 1-CS 6 respectively, and controls the blue, red and green of the cathode ends of the three-color lamp groups LED 1-LED 6 through pins SW 4-SW 6 respectively.
The working principle of the utility model
The three-color lamp 43 is composed of three light emitting diodes of different colors, and has a common-anode and common-cathode connection method, so that the lamp is a pin radiator. Each three-color lamp 43 is formed by connecting three red, green and blue light emitting diodes in parallel, two colors are presented when the two tube cores are respectively bright, and color mixing is performed when the two tube cores are bright together, so that the three-color LED is called as a three-color LED, and if the brightness of the two light emitting diodes is respectively controlled, the color of the color mixing is different. Main control unit MCU 41's chip U2 passes through pin DOHDISP, pin DOHSYNC and pin DOVSYNC and the chip U1 connection communication of this chip circuit module of LED drive, chip U1 drive tricolor lamp 43 of LED drive module 42 is luminous, color regulation through 256-color, can let the atmosphere lamp line 24 of this main interface UI both sides show the colour, with reach the effect that the background colour identical completely or transition gradually with 7 cun TFT color liquid crystal display 23 demonstration, make whole main interface UI stick together, wholly demonstrate the sensation of a full-color liquid crystal instrument, realize PC dial plate 2 vision integration effect.
The utility model has the advantages of simple and reasonable design, with low costs, dial plate display screen integrated design adopts multiple color to show, has realized dial plate vision integration effect, has promoted user experience and has felt convenient to use, safety.
Claims (7)
1. A pure electric vehicle combination instrument assembly comprises a shell, a PC dial plate, a glass face shield and a PCBA circuit board assembly; the shell is fixedly arranged on the instrument desk of the whole vehicle; the PC dial plate is installed on the front face of the shell in a matching mode and comprises a main interface UI; the glass mask is mounted on the front surface of the PC dial plate in a matching manner; the PCBA circuit board assembly is mounted on the inner side of the shell in a matching mode; the PCBA circuit board assembly comprises a main controller MCU and an LED driving module; the main controller MCU is electrically connected with the LED driving module; the method is characterized in that: the middle display area of the main interface UI is a color TFT display area, and atmosphere lamp lines of any color are uniformly distributed on the periphery of the display areas on the two sides;
the atmosphere lamp lines of any color are displayed by three-color lamps; the three-color lamp consists of one or more than one three-color LED lamp group; the LED driving module is electrically connected with the three-color LED lamp bank; each three-color LED lamp group is formed by connecting three light-emitting diodes with different colors in parallel.
2. The pure electric vehicle combination meter assembly of claim 1, wherein: the MCU consists of a chip U2 and resistors R2-R4; the model of the chip U2 is TMPR461XBG-BGA328 and is provided with a pin DOHDISP, a pin DOHSYNC, a pin DOVSYNC and a pin DOTCLK;
one end of the resistor R2 is connected with a +5V power supply, and the other end of the resistor R2 is connected with a pin DOVSYNC of the chip U2; one end of the resistor R3 is connected with a +5V power supply, and the other end of the resistor R3 is connected with a pin DOHSYNC of the chip U2; one end of the resistor R4 is connected with a +5V power supply, and the other end of the resistor R4 is connected with a pin DOHDISP of the chip U2; the resistance value of the resistor R2 is 100K omega, and the resistance values of the resistors R3 and R4 are both 1K omega.
3. The pure electric vehicle combination meter assembly of claim 2, wherein: the LED driving module consists of a chip U1, a resistor R1, resistors R5 and R6 and capacitors C1-C7;
the model of the chip U1 IS IS32FL3738, which IS connected with a +5V power supply through a pin PVCC and a pin AVCC, IS grounded through a pin PGND, a pin ADDR and a pin GND, IS connected with a pin DOHDISP of the chip U2 through a pin SDA, IS connected with a pin DOHSYNC of the chip U2 through a pin SCL, IS connected with a pin DOVSYNC of the chip U2 through a pin INTB, and IS connected with a pin DOTCLK of the chip U2 through a pin SDB;
one end of the resistor R5 is grounded, and the other end of the resistor R5 is connected with a pin SDB of the chip U1; one end of the resistor R6 is grounded, and the other end of the resistor R6 is connected with a pin REST of the chip U1; one end of the resistor R1 is connected with a +5V power supply, and the other end of the resistor R1 is connected with a pin VIO of the chip U1; one end of the capacitor C1 is grounded, and the other end of the capacitor C1 is connected with a pin VIO of the chip U1; one ends of the capacitors C2-C5 are grounded, and the other ends of the capacitors C2-C5 are connected with a pin PVCC of the chip U1; one ends of the capacitors C6 and C7 are grounded, and the other ends of the capacitors C6 and C7 are connected with a pin AVCC of the chip U1; the resistance value of the resistor R1 is 1K omega, the resistance value of the resistor R5 is 100K omega, and the resistance value of the resistor R6 is 20K omega; the capacitance values of the capacitors C2, C4 and C6 are all 470nF/25V, and the capacitance values of the capacitors C1, C3 and C5 are all 0.1 uF/25V.
4. The pure electric vehicle combination meter assembly of claim 3, wherein: the three-color lamp is composed of three-color lamp groups LED 1-LED 6, the types of the three-color lamp groups LED 1-three LED6 are 5050AVGB00C10, and the three-color lamp groups LED 1-three LED6 are formed by connecting three light-emitting diodes with different colors in parallel;
three anode ends of the three-color lamp group LED1 are connected with a pin CS1 of the chip U1, and three cathode ends of the three-color lamp group LED1 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED2 are connected with a pin CS2 of the chip U1, and three cathode ends of the three-color lamp group LED2 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED3 are connected with a pin CS3 of the chip U1, and three cathode ends of the three-color lamp group LED3 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED4 are connected with a pin CS4 of the chip U1, and three cathode ends of the three-color lamp group LED4 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED5 are connected with a pin CS5 of the chip U1, and three cathode ends of the three-color lamp group LED5 are correspondingly connected with pins SW 4-SW 6 of the chip U1 respectively; three anode ends of the three-color lamp group LED6 are connected with a pin CS6 of the chip U1, and three cathode ends of the three-color lamp group LED6 are correspondingly connected with pins SW 4-SW 6 of the chip U1.
5. The pure electric vehicle combination meter assembly of claim 1, wherein: the main interface UI is composed of a 7-inch TFT color liquid crystal display screen positioned in the middle, and a residual electric quantity dial plate and a motor power dial plate which are positioned on two sides of the 7-inch TFT color liquid crystal display screen;
the middle display area of the main interface UI adopts the 7-inch TFT color liquid crystal display screen as a color TFT display area; and atmosphere lamp lines of any color are uniformly distributed in the display areas on the two sides of the UI, namely the peripheries of the residual electricity meter dial and the motor power meter dial.
6. The combination meter assembly of the pure electric vehicle of claim 5, wherein: the bottom side of the shell is provided with a plug connector; 7 very little TFT color liquid crystal display with PCBA circuit board assembly all connects the plug connector passes through the plug connector is connected with whole car pencil electricity.
7. The pure electric vehicle combination meter assembly of claim 1, wherein: the glass mask is an acrylic transparent glass mask; the shell is made of a plastic structural part.
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| CN201921446505.5U CN210617852U (en) | 2019-09-02 | 2019-09-02 | Pure electric vehicles combination meter assembly |
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| CN201921446505.5U CN210617852U (en) | 2019-09-02 | 2019-09-02 | Pure electric vehicles combination meter assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891056A (en) * | 2020-07-27 | 2020-11-06 | 重庆长安汽车股份有限公司 | Method for displaying theme on vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111891056A (en) * | 2020-07-27 | 2020-11-06 | 重庆长安汽车股份有限公司 | Method for displaying theme on vehicle |
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