CN219039725U - Vehicle-mounted player of display screen - Google Patents
Vehicle-mounted player of display screen Download PDFInfo
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- CN219039725U CN219039725U CN202320041734.9U CN202320041734U CN219039725U CN 219039725 U CN219039725 U CN 219039725U CN 202320041734 U CN202320041734 U CN 202320041734U CN 219039725 U CN219039725 U CN 219039725U
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Abstract
The utility model relates to the technical field of vehicle-mounted players, and particularly discloses a vehicle-mounted player with a display screen, which comprises a vehicle-mounted player shell, wherein a touch display screen is arranged on the vehicle-mounted player shell, a PCB (printed circuit board) electrically connected with the touch display screen is arranged in the vehicle-mounted player shell, the PCB comprises an MCU (micro control unit) main control circuit, a display screen driving circuit, a power supply circuit, a key circuit, a signal detection circuit and an indicator light circuit, and the display screen driving circuit, the power supply circuit, the key circuit, the signal detection circuit and the indicator light circuit are electrically connected with the MCU main control circuit. According to the utility model, the touch display screen is arranged on the vehicle-mounted player shell to replace the traditional key control mode, and the display control can be performed through the touch display screen, so that the control is more convenient, and the appearance is more attractive.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted players, in particular to a vehicle-mounted player with a display screen.
Background
With the rapid development of electronic information, vehicle-mounted multimedia is increasingly applied to vehicles, and MP3 devices such as vehicle-mounted players are diversified. The vehicle-mounted player refers to an electronic device product with the function of playing video or audio files, such as an mp3 player based on a flash memory, an iPod based on a mobile hard disk and the like, is arranged in an automobile, and provides a multimedia playing system for passengers in the automobile with video and audio entertainment. However, the control panel of the existing vehicle-mounted player is usually composed of a plurality of keys, does not have the playing control of a touch display screen, is complicated to control, and is complicated in appearance and not attractive.
Disclosure of Invention
The utility model aims to solve the technical problems that the existing vehicle-mounted player does not have touch display screen playing control, is complicated to control and is not attractive, and the touch display screen is arranged on the vehicle-mounted player shell to replace the traditional key control mode, so that the display screen playing control can be realized, the control is more convenient, and the appearance is more attractive.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a vehicle-mounted player of display screen, includes vehicle-mounted player casing, be provided with touch display screen on the vehicle-mounted player casing, be provided with in the vehicle-mounted player casing with touch display screen electric connection's PCB circuit board, PCB circuit board includes MCU master control circuit, display screen drive circuit, power supply circuit, key circuit, signal detection circuit and pilot lamp circuit all with MCU master control circuit electric connection.
Preferably, the vehicle-mounted player shell comprises a front panel, an outer shell and a heat dissipation panel, the touch display screen is mounted on the front panel, and the front panel is respectively mounted on the front side and the rear side of the outer shell; the heat dissipation panel is provided with a plurality of heat dissipation grooves.
Preferably, the MCU master control circuit comprises an MCU master control chip U2, a USB interface P1, a crystal oscillator Y1, a resistor R2, a diode D33 and a capacitor C31, wherein the USB interface P1, the crystal oscillator Y1, the resistor R2, the diode D33 and the capacitor C31 are all connected with the MCU master control chip U2.
Preferably, the display screen driving circuit includes a display screen interface LCD1, a display screen driving chip U1, a diode D31, a diode D32, a resistor R37, a resistor R33, and a capacitor C24, where the MCU host control chip U2, the display screen interface LCD1, the diode D31, the diode D32, the resistor R37, the resistor R33, and the capacitor C24 are all connected to the display screen driving chip U1, and the display screen interface LCD1 is connected to the touch display screen.
Preferably, the power supply circuit includes a resistor R1, a resistor R7, a resistor R11, a triode Q2, a diode D36, a triode Q3, a diode D22, and a capacitor C22, where the resistor R1, the resistor R7, the resistor R11, the triode Q2, the diode D36, the triode Q3, the diode D22, and the capacitor C22 are all connected to the MCU host chip U2.
Preferably, the key circuit includes a key SW1, a resistor R8, an interface CON3, an interface J1 and a resistor R13, where the key SW1, the resistor R8, the interface CON3, the interface J1 and the resistor R13 are all connected with the MCU main control chip U2.
Preferably, the signal detection circuit includes a resistor R34, a resistor R35, a triode Q6, a capacitor C9, a resistor R28, a resistor R29, a resistor R30, a regulator D1, and a capacitor C7, where the resistor R34, the resistor R35, the triode Q6, the capacitor C9, the resistor R28, the resistor R29, the resistor R30, the regulator D1, and the capacitor C7 are all connected to the MCU master control chip U2.
Preferably, the indicator light circuit comprises a left turn indicator circuit, an electronic spray circuit, a high beam indicator circuit, a right turn indicator circuit, an electric quantity light circuit, a backlight circuit and a water temperature light circuit, wherein the left turn indicator circuit, the electronic spray circuit, the high beam indicator circuit, the right turn indicator circuit, the electric quantity light circuit, the backlight circuit and the water temperature light circuit are all connected with the MCU main control chip U2.
By adopting the technical scheme, the touch display screen is arranged on the vehicle-mounted player shell of the vehicle-mounted player of the display screen, the PCB circuit board electrically connected with the touch display screen is arranged in the vehicle-mounted player shell, the PCB circuit board comprises an MCU main control circuit, a display screen driving circuit, a power supply circuit, a key circuit, a signal detection circuit and an indicator light circuit, the display screen driving circuit, the power supply circuit, the key circuit, the signal detection circuit and the indicator light circuit are electrically connected with the MCU main control circuit, the touch display screen is arranged on the vehicle-mounted player shell to replace the traditional key control mode, the display screen can be controlled in a playing mode through the touch display screen, the working states of the display screen driving circuit, the power supply circuit, the key circuit, the signal detection circuit and the indicator light circuit are controlled in a centralized mode through the MCU main control circuit, the working states of the touch display screen are controlled, the control is more convenient, and the appearance is more attractive.
Drawings
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a perspective view of the present utility model;
FIG. 3 is a schematic circuit diagram of a PCB circuit board of the present utility model;
in the figure, 1-vehicle-mounted player shell, 2-touch display screen, 3-PCB circuit board, 4-front panel, 5-shell, 6-heat dissipation panel, 7-heat dissipation recess.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
As shown in fig. 1-3, the vehicle-mounted player of the display screen comprises a vehicle-mounted player housing 1, a touch display screen 2 is arranged on the vehicle-mounted player housing 1, a PCB circuit board 3 electrically connected with the touch display screen 2 is arranged in the vehicle-mounted player housing 1, the PCB circuit board 3 comprises an MCU main control circuit, a display screen driving circuit, a power supply circuit, a key circuit, a signal detection circuit and an indicator light circuit, and the display screen driving circuit, the power supply circuit, the key circuit, the signal detection circuit and the indicator light circuit are electrically connected with the MCU main control circuit. It can be understood that the vehicle-mounted player housing 1 includes a front panel 4, an outer housing 5 and a heat dissipation panel 6, the touch display 2 is mounted on the front panel 4, and the front panel 4 is respectively mounted on the front and rear sides of the outer housing 5; the heat dissipation panel 6 is provided with a plurality of heat dissipation grooves 7.
Specifically, the MCU master control circuit includes an MCU master control chip U2, a USB interface P1, a crystal oscillator Y1, a resistor R2, a diode D33, and a capacitor C31, where the USB interface P1, the crystal oscillator Y1, the resistor R2, the diode D33, and the capacitor C31 are all connected to the MCU master control chip U2. It can be understood that the MCU master control chip U2 adopts an a6610 chip as a control core of the whole vehicle-mounted player, processes the vehicle signals detected by the accessed signal detection circuit and outputs control signals to each display screen driving circuit, power supply circuit, key circuit and indicator light circuit, and completes unified and centralized control.
Specifically, the display screen driving circuit includes a display screen interface LCD1, a display screen driving chip U1, a diode D31, a diode D32, a resistor R37, a resistor R33, and a capacitor C24, where the MCU host control chip U2, the display screen interface LCD1, the diode D31, the diode D32, the resistor R37, the resistor R33, and the capacitor C24 are all connected to the display screen driving chip U1, and the display screen interface LCD1 is connected to the touch display screen. It can be understood that the display screen driving chip U1 adopts a 1621B chip for outputting a driving signal to control the operating state of the touch display screen.
Specifically, the power supply circuit includes a resistor R1, a resistor R7, a resistor R11, a triode Q2, a diode D36, a triode Q3, a diode D22, and a capacitor C22, where the resistor R1, the resistor R7, the resistor R11, the triode Q2, the diode D36, the triode Q3, the diode D22, and the capacitor C22 are all connected to the MCU master control chip U2; the key circuit comprises a key SW1, a resistor R8, an interface CON3, an interface J1 and a resistor R13, wherein the key SW1, the resistor R8, the interface CON3, the interface J1 and the resistor R13 are all connected with the MCU main control chip U2; the signal detection circuit comprises a resistor R34, a resistor R35, a triode Q6, a capacitor C9, a resistor R28, a resistor R29, a resistor R30, a voltage stabilizing tube D1 and a capacitor C7, wherein the resistor R34, the resistor R35, the triode Q6, the capacitor C9, the resistor R28, the resistor R29, the resistor R30, the voltage stabilizing tube D1 and the capacitor C7 are all connected with the MCU master control chip U2; the indication lamp circuit comprises a left turn indication circuit, an electronic spray circuit, a high beam indication circuit, a right turn indication circuit, an electric quantity lamp circuit, a backlight circuit and a water temperature lamp circuit, wherein the left turn indication circuit, the electronic spray circuit, the high beam indication circuit, the right turn indication circuit, the electric quantity lamp circuit, the backlight circuit and the water temperature lamp circuit are all connected with the MCU main control chip U2. It will be appreciated that the left turn indicating circuit includes an indicator light L, the electronic spray circuit includes an electronic spray indicator light DP, the far-reaching indicating circuit includes an indicator light YG, the right turn indicating circuit includes an indicator light RR, the backlight circuit includes an indicator light LED1, an indicator light LED2, and the water temperature light circuit includes an indicator light TEMP. The above only list main circuit components and connection relations thereof, and the other circuit components and specific connection relations thereof are shown in the drawings, so that the utility model is not repeated.
It can be understood that the utility model has reasonable design and unique structure, replaces the traditional key control mode by arranging the touch display screen on the vehicle-mounted player shell, can play and control by the touch display screen, and centrally controls the working states of the display screen driving circuit, the power supply circuit, the key circuit, the signal detection circuit and the indicator light circuit by the MCU main control circuit, thereby controlling the working states of the touch display screen, and has more convenient control and more attractive appearance.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.
Claims (8)
1. The utility model provides a vehicle-mounted player of display screen, includes vehicle-mounted player casing, its characterized in that: the vehicle-mounted player comprises a vehicle-mounted player shell, and is characterized in that a touch display screen is arranged on the vehicle-mounted player shell, a PCB (printed circuit board) electrically connected with the touch display screen is arranged in the vehicle-mounted player shell, the PCB comprises an MCU (micro control unit) main control circuit, a display screen driving circuit, a power supply circuit, a key circuit, a signal detection circuit and an indicator light circuit, and the display screen driving circuit, the power supply circuit, the key circuit, the signal detection circuit and the indicator light circuit are electrically connected with the MCU main control circuit.
2. The vehicle-mounted player of the display screen of claim 1, wherein: the vehicle-mounted player shell comprises a front panel, an outer shell and a heat dissipation panel, wherein the touch display screen is arranged on the front panel, and the front panel is respectively arranged on the front side and the rear side of the outer shell; the heat dissipation panel is provided with a plurality of heat dissipation grooves.
3. The vehicle-mounted player of the display screen of claim 1, wherein: the MCU master control circuit comprises an MCU master control chip U2, a USB interface P1, a crystal oscillator Y1, a resistor R2, a diode D33 and a capacitor C31, wherein the USB interface P1, the crystal oscillator Y1, the resistor R2, the diode D33 and the capacitor C31 are all connected with the MCU master control chip U2.
4. A vehicle-mounted player for a display screen as claimed in claim 3, wherein: the display screen driving circuit comprises a display screen interface LCD1, a display screen driving chip U1, a diode D31, a diode D32, a resistor R37, a resistor R33 and a capacitor C24, wherein the MCU main control chip U2, the display screen interface LCD1, the diode D31, the diode D32, the resistor R37, the resistor R33 and the capacitor C24 are all connected with the display screen driving chip U1, and the display screen interface LCD1 is connected with the touch display screen.
5. A vehicle-mounted player for a display screen as claimed in claim 3, wherein: the power supply circuit comprises a resistor R1, a resistor R7, a resistor R11, a triode Q2, a diode D36, a triode Q3, a diode D22 and a capacitor C22, wherein the resistor R1, the resistor R7, the resistor R11, the triode Q2, the diode D36, the triode Q3, the diode D22 and the capacitor C22 are all connected with the MCU main control chip U2.
6. A vehicle-mounted player for a display screen as claimed in claim 3, wherein: the key circuit comprises a key SW1, a resistor R8, an interface CON3, an interface J1 and a resistor R13, wherein the key SW1, the resistor R8, the interface CON3, the interface J1 and the resistor R13 are all connected with the MCU main control chip U2.
7. A vehicle-mounted player for a display screen as claimed in claim 3, wherein: the signal detection circuit comprises a resistor R34, a resistor R35, a triode Q6, a capacitor C9, a resistor R28, a resistor R29, a resistor R30, a voltage stabilizing tube D1 and a capacitor C7, wherein the resistor R34, the resistor R35, the triode Q6, the capacitor C9, the resistor R28, the resistor R29, the resistor R30, the voltage stabilizing tube D1 and the capacitor C7 are all connected with the MCU main control chip U2.
8. A vehicle-mounted player for a display screen as claimed in claim 3, wherein: the indicating lamp circuit comprises a left turn indicating circuit, an electronic spraying circuit, a high beam indicating circuit, a right turn indicating circuit, an electric quantity lamp circuit, a backlight circuit and a water temperature lamp circuit, wherein the left turn indicating circuit, the electronic spraying circuit, the high beam indicating circuit, the right turn indicating circuit, the electric quantity lamp circuit, the backlight circuit and the water temperature lamp circuit are all connected with the MCU main control chip U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320041734.9U CN219039725U (en) | 2023-01-03 | 2023-01-03 | Vehicle-mounted player of display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320041734.9U CN219039725U (en) | 2023-01-03 | 2023-01-03 | Vehicle-mounted player of display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219039725U true CN219039725U (en) | 2023-05-16 |
Family
ID=86313818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320041734.9U Active CN219039725U (en) | 2023-01-03 | 2023-01-03 | Vehicle-mounted player of display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219039725U (en) |
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2023
- 2023-01-03 CN CN202320041734.9U patent/CN219039725U/en active Active
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