CN210380296U - A bluetooth universal car charger - Google Patents

Abstract

The utility model proposes a bluetooth universal car charger, comprising: a cigarette lighter plug, a connecting hose, and a screen display assembly; wherein, the cigarette lighter plug is connected with the screen display assembly through the connecting hose; the screen display assembly is provided with a display The shell, the main control chip board, the display screen, the Bluetooth module, and the USB interface; the main control chip board is provided with a main control chip; the display screen, the Bluetooth module, and the USB interface are all connected to the main control chip, and are all fixed on the main control chip board. Through the bluetooth module, other devices can be connected; the display function can also be realized through the settings of the display screen, and through the setting of the connecting hose, when the cigarette lighter plug is connected to the vehicle for power supply, the setting of the connecting hose can effectively adjust the screen The angle of the display components can be effectively adapted to different scenes in the vehicle and the different needs of users.

Description

A bluetooth universal car charger

technical field

The utility model relates to the field of car chargers, in particular to a bluetooth universal car charger.

Background technique

With the rapid development and progress of society, people's living standards are improving day by day, and vehicles are owned by more and more families. In order to supply power to smart terminals, such as mobile phones, tablet computers, etc., in the car, a car charger was invented. , but the current car charger function is too single and can only realize the charging function, and the existing car charger is a rigid part. When it is connected to the vehicle to provide the charging function, its angle is fixed, and it cannot be flexibly adjusted according to the needs of users. Adjustment.

Therefore, there is currently a need for a car charger solution that can achieve more functions and adjust its angle as needed.

Utility model content

In view of the defects in the prior art, the utility model proposes a bluetooth universal car charger. The car charger in this solution is provided with a bluetooth module, which can be connected to other devices, such as a smart phone, etc.; through the setting of the display screen It can also realize the display function, and through the setting of the connecting hose, when the cigarette lighter plug is connected to the vehicle for power supply, the angle of the screen display assembly can be effectively adjusted through the setting of the connecting hose, which can effectively adapt to the different conditions in the vehicle. scenarios and the different needs of users.

Specifically, the utility model proposes the following specific embodiments:

The embodiment of the present utility model proposes a bluetooth universal car charger, comprising: a cigarette lighter plug, a connecting hose, and a screen display assembly; wherein,

The cigarette lighter plug provides power for the screen display assembly; the cigarette lighter plug includes a plug housing, and a positive contact point and a negative electrode contact point arranged on the plug housing;

One end of the connecting hose is connected to the cigarette lighter plug, and the other end is connected to the screen display assembly;

The screen display assembly is provided with a display shell, a main control chip board, a display screen, a Bluetooth module, and a USB interface; the main control chip board is fixedly connected with the display shell; the main control chip board is provided with a main control The display screen, the Bluetooth module, and the USB interface are all connected to the main control chip, and are all fixed on the main control chip board; the positive contact point and the negative contact point are respectively The main control chip, the display screen, the Bluetooth module, and the USB interface are electrically connected; a plurality of gaps are arranged on the side of the display shell; the display shell is connected to the USB interface through the gaps connection; the bottom layer of the display casing is connected to the connecting hose; the top layer of the display casing is fixedly connected to the display screen.

In a specific embodiment, the positive contact points are arranged at the bottom end of the plug shell, and the number of the negative contact points is 2; side.

In a specific embodiment, the connecting hose is specifically a silicone hose; the silicone hose is provided with a power cord; the power cord is respectively connected to the screen display assembly and the cigarette lighter plug, so as to The power of the cigarette lighter plug is transmitted to the screen display assembly.

In a specific embodiment, the connecting hose includes from outside to inside: a plastic layer, a metal layer, and an inner protective layer; wherein, the inner protective layer is provided with a power cord; the power cords are respectively connected to the screen The display assembly and the cigarette lighter plug are used to transmit the power of the cigarette lighter plug to the screen display assembly.

In a specific embodiment, the shape of the connecting hose is cylindrical; the cross section of the cigarette lighter plug is circular; the diameter of the connecting hose is the same as that of the cigarette lighter plug.

In a specific embodiment, one end of the connecting hose is provided with a connecting ring, and the bottom of the display housing is provided with a connecting hole; the connecting hose and the display housing are connected with the connecting ring through the connecting ring. The connection of the holes realizes the connection.

In a specific embodiment, the bottom of the display casing is provided with a plurality of strip-shaped heat dissipation holes; the display screen is a color display screen.

In a specific embodiment, a voltage adjustment module is further arranged on the main control chip board; the input end of the voltage adjustment module is electrically connected to the positive contact point and the negative electrode contact point, and the voltage adjustment module The output end of the device is connected to the main control chip, the display screen, the Bluetooth module, and the USB interface.

In a specific embodiment, a rotary button is further provided on the top of the screen display assembly; the rotary knob is electrically connected to the main control chip; the top of the rotary button adopts a concave structure; The surface adopts threaded structure;

The main control chip board is also provided with a TF card interface; the TF card interface is connected to the main control chip.

In a specific embodiment, the screen display assembly is further provided with a display switch button of the display screen; wherein, the display switch button is provided on the side of the display casing.

Therefore, the embodiment of the present utility model proposes a Bluetooth universal car charger, which includes: a cigarette lighter plug, a connecting hose, and a screen display assembly; wherein, the cigarette lighter plug provides power for the screen display assembly; The cigarette lighter plug includes a plug housing, and a positive contact point and a negative electrode contact point arranged on the plug housing; one end of the connecting hose is connected to the cigarette lighter plug, and the other end is connected to the screen display assembly The screen display assembly is provided with a display casing, a main control chip board, a display screen, a Bluetooth module, and a USB interface; the main control chip board is fixedly connected to the display casing; the main control chip board is provided with a main control chip; the display screen, the bluetooth module, and the USB interface are connected to the main control chip, and are all fixed on the main control chip board; the positive contact point and the negative contact point are respectively The main control chip, the display screen, the Bluetooth module, and the USB interface are electrically connected; a plurality of gaps are arranged on the side of the display shell; the display shell is connected to the USB interface through the gaps connection; the bottom layer of the display casing is connected to the connecting hose; the top layer of the display casing is fixedly connected to the display screen. The car charger in this solution is equipped with a Bluetooth module, which can be connected to other devices, such as smart phones, etc.; the display function can also be realized through the setting of the display screen, and the display screen is set on the top layer, which is convenient for users to view. In addition, through the connection The setting of the hose can effectively adjust the angle of the screen display assembly when the cigarette lighter plug is connected to the vehicle for power supply, which can effectively adapt to different scenes in the vehicle and different needs of users.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of a Bluetooth universal car charger proposed by an embodiment of the present utility model;

2 is a schematic structural diagram of a Bluetooth universal car charger proposed by an embodiment of the present invention;

3 is a schematic structural diagram of a Bluetooth universal car charger proposed by an embodiment of the present invention;

4 is a schematic diagram of the structural connection on a main control chip board in a Bluetooth universal car charger proposed by an embodiment of the present invention;

5 is a schematic structural diagram of a Bluetooth universal car charger proposed by an embodiment of the present invention;

6 is a schematic structural diagram of a Bluetooth universal car charger proposed by an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a Bluetooth universal car charger according to an embodiment of the present invention.

illustration:

1- Cigarette lighter plug;

11-plug shell;

12-positive contact point; 13-negative contact point; 14-control circuit board;

2-connecting hose; 21-connecting ring;

3-screen display components;

31-display shell; 311-connection hole; 312-heat dissipation hole;

32-main control chip board; 321-main control chip;

33-voltage adjustment module; 34-display screen;

35-Bluetooth module; 36-USB interface; 37-TF card interface; 38-Rotary button;

39-Display switch button.

Detailed ways

Hereinafter, various embodiments of the present disclosure will be described more fully. The present disclosure is capable of various embodiments, and adaptations and changes may be made therein. It should be understood, however, that there is no intention to limit the various embodiments of the present disclosure to the specific embodiments disclosed herein, but the present disclosure should be construed to cover various embodiments falling within the spirit and scope of the present disclosure. All adjustments, equivalents and/or alternatives.

The terminology used in the various embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to limit the various embodiments of the present disclosure. As used herein, the singular is intended to include the plural as well, unless the context clearly dictates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of this disclosure belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having the same meaning as the contextual meaning in the relevant technical field and will not be interpreted as having an idealized or overly formal meaning, unless explicitly defined in various embodiments of the present disclosure.

Example

The embodiment of the present utility model discloses a Bluetooth universal car charger, as shown in Figures 1-7, comprising: a cigarette lighter plug 1, a connecting hose 2, and a screen display assembly 3; wherein,

The cigarette lighter plug 1 provides power for the screen display assembly 3; the cigarette lighter plug 1 includes a plug housing 11, and a positive contact point 12 and a negative electrode contact point 13 arranged on the plug housing 11;

The specific cigarette lighter plug 1 can be an existing cigarette lighter plug, which is used to connect the power supply on the car and provide power for the entire Bluetooth universal car charger, especially for the screen display assembly 3 .

One end of the connecting hose 2 is connected to the cigarette lighter plug 1, and the other end is connected to the screen display assembly 3;

The function of the connecting hose 2 is to connect the cigarette lighter plug 1 and the screen display assembly 3, and the connection may only be a physical connection, or may also include an electrical connection. Based on the electrical connection, the connection The hose 2 can also transmit the power obtained by the cigarette lighter plug 1 to the screen display assembly 3 to provide power for the screen display assembly 3 . The angle of the connecting hose 2 can be adjusted, so that the angle of the screen display assembly 3 can be adjusted, so as to adapt to different usage scenarios and different usage needs.

As for the screen display assembly 3, various functional elements are integrated.

Specifically, as shown in Figures 1-7, the screen display assembly 3 is provided with a display casing 31, a main control chip board 32, a voltage adjustment module 33, a display screen 34, a Bluetooth module 35, and a USB interface 36;

The specific main control chip board 32 may be a PCB (Printed Circuit Board, printed circuit board) board, on which the main control chip 321, a USB (Universal Serial Bus, universal serial bus) interface and a TF (TransFLash) are carried. The card (TF card, also known as T-Flash) interface can be connected to external devices through the USB interface 36 to charge external devices such as smart phones, power banks, and tablet computers.

The main control chip board 32 is provided with a main control chip 321; the display screen 34, the bluetooth module 35, and the USB interface 36 are all connected to the main control chip 321, and are all fixed on the main control chip 321. on the control chip board 32;

The positive contact point 12 and the negative contact point 13 are respectively electrically connected to the main control chip 321 , the display screen 34 , the Bluetooth module 35 , and the USB interface 36 ; A plurality of gaps are provided; the display housing 31 is connected to the USB interface 36 through the gaps; the bottom layer of the display housing 31 is connected to the connecting hose 2; the top layer of the display housing 31 is fixedly connected to the display screen 34.

The main control chip board 32 is fixedly connected to the display housing 31 .

Specifically, the voltage adjustment module 33 , the display screen 34 , the Bluetooth module 35 , and the USB interface 36 are all connected to the main control chip 321 to accept the control of the main control chip 321 . In addition, the voltage adjustment module 33 , the display screen 34, the bluetooth module 35, the USB interface 36 and the main control chip 321 are also fixed and integrated on the main control chip board 32, and the high integration can save the occupied space and reduce the number of installed parts. , easy to install.

The specific main control chip 321 can be an MCU (Microcontroller Unit, single-chip microcomputer). The specific single-chip microcomputer is to appropriately reduce the frequency and specifications of the central processing unit (Central Process Unit; CPU), and reduce the frequency and specifications of the memory (memory), counter (Timer) ), USB, A/D conversion, UART, PLC, DMA and other peripheral interfaces, and even the LCD drive circuit are integrated on a single chip to form a chip-level computer, which can perform different combined control for different applications, and use the single-chip microcomputer as the The main control chip 321 can effectively control the Bluetooth universal car charger.

Specific MCU can choose different types of products such as STM32F105/107, Vinculum-II (VNC2), LPC2478.

The main control chip board 32 is also provided with a voltage adjustment module 33 ; the input end of the voltage adjustment module 33 is electrically connected to the positive contact point 12 and the negative electrode contact point 13 , and the output of the voltage adjustment module 33 is electrically connected. The terminal is connected to the main control chip 321 , the display screen 34 , the Bluetooth module 35 , and the USB interface 36 .

The specific voltage adjustment module 33 can adjust the voltage of the received power supply to meet different voltage requirements. Specifically, for example, the voltage provided to the main control chip 321 may be 2V, and the voltage provided to the USB interface 36 may be 5V, etc. , so as to meet the voltage requirements of different functional modules.

The specific voltage adjustment module 33 can be implemented by using an existing voltage adjustment circuit.

Specifically, the main control chip board may also be provided with a TF card interface 37 ; the TF card interface 37 is connected to the main control chip 321 .

As shown in FIG. 4 , one side of the main control chip board 32 is integrated with a main control chip 321, a voltage adjustment module 33, the Bluetooth module 35, the USB interface 36 and the TF card interface 37; in addition, the main control chip The other side of the board 32 is provided with a display screen 34, therefore, the specific main control chip 321, the voltage adjustment module 33, and the Bluetooth module 35 are not shown in Figs. 1-3 and 5-7.

In a specific embodiment, the cigarette lighter plug 1 may further include a control circuit board 14 . As shown in Figure 1-3 or Figure 5-7, the cigarette lighter plug 1 includes a plug shell 11, a positive contact point 12, a negative contact point 13, and a control circuit board 14 (not shown in the figure) as a power output end; Wherein, the positive contact points 12 are arranged at the bottom end of the plug housing 11 , and the number of the negative contact points 13 is 2; the negative contact points 13 are symmetrically arranged on both sides of the lower part of the plug housing 11 , The positive contact point 12 and each of the negative contact points 13 are connected to the control circuit board 14 ; the control circuit board 14 is connected to the screen display assembly 3 through the connecting hose 2 . The specific plug housing 11 may be an insulating housing.

The specific control circuit board 14 can be the control circuit board in the current cigarette lighter, which plays the role of filtering and voltage stabilization, so as to provide stable power for the entire Bluetooth universal charger.

In a specific embodiment, in order to better adjust and ensure a better user feel, the connecting hose 2 is specifically a silicone hose; the silicone hose is provided with a power cord; the power cords are respectively The screen display assembly 3 and the cigarette lighter plug 1 are connected to transmit the power of the cigarette lighter plug 1 to the screen display assembly 3 .

The specific silicone hose still has a power connection line inside, which connects the cigarette lighter plug 1 and the screen display assembly 3 respectively, and realizes the power connection as well as the physical connection.

In another specific embodiment, the connecting hose 2 may further include: a plastic layer, a metal layer, and an inner protective layer from the outside to the inside; wherein, the inner protective layer is provided with a power cord; the power cords are respectively The screen display assembly 3 and the cigarette lighter plug 1 are connected to transmit the power of the cigarette lighter plug 1 to the screen display assembly 3 .

The specific power cord can be a copper core wire. Considering that the connecting hose 2 may be bent, a longer power cord will be required. For this reason, the power cord can be connected in a spiral state in the connecting hose 2. In this way, no matter how it is bent, it will not cause the power cord to be broken, thereby ensuring the long-term stable operation of the entire Bluetooth universal car charger.

In a specific embodiment, as shown in Fig. 1-3 or Fig. 5-7, the shape of the connecting hose 2 is cylindrical; the cross section of the cigarette lighter plug 1 is circular; The diameter of the hose 2 is the same as the diameter of the cigarette lighter plug 1 .

In a specific embodiment, as shown in FIG. 1-3 or FIG. 5-7, one end of the connecting hose 2 is provided with a connecting ring 21, and the bottom of the display housing 31 is provided with a connecting hole 311; the connection The connection between the hose 2 and the display housing 31 is achieved through the connection between the connection ring 21 and the connection hole 311 .

In a specific embodiment, as shown in FIG. 1-3 or FIG. 5-7 , the bottom of the display case 31 is provided with a plurality of strip-shaped heat dissipation holes 112 .

Specifically, in consideration of heat dissipation, as shown in FIG. 1-3 or FIG. 5-7 , the specific display housing 31 may be a metal housing; a plurality of strip-shaped heat dissipation holes 312 are also provided at the bottom of the display housing 31 to This can achieve better heat dissipation and will not affect the normal operation of the Bluetooth universal charger.

In a specific embodiment, for better display effect, the display screen 34 is a color display screen 34 .

Specifically, the display screen 34 may be a liquid crystal display screen, and in another specific embodiment, the specific display screen 34 may also be a display screen with a touch function.

In a specific embodiment, as shown in FIG. 1-3 or FIG. 5-7, a rotary button 38 is further provided on the top of the screen display assembly 3; the rotary knob is electrically connected to the main control chip 321; the The top of the rotary button 38 adopts a concave structure; the outer surface of the rotary button 38 adopts a threaded structure;

Specifically, the rotary knob 38 can be a knob with a setting function and a reset function, or a brightness adjustment knob of the display screen 34, or a volume adjustment knob, etc. According to different needs, the rotary knob 38 can be It is electrically connected to different plugs on the main control chip 321 .

In a specific embodiment, the screen display assembly 3 is further provided with a display switch button 39 of the display screen 34 ; wherein, the display switch button 39 is arranged on the side of the display casing 31 .

Specifically, the display screen 34 may also be provided with a power switch, and the power switch of the display screen 34 can be triggered to be turned on or off through the display switch button 39 . In a specific embodiment, the display switch button 39 is connected between the screen display assembly 3 and the voltage adjustment module 33 .

Therefore, an embodiment of the present utility model proposes a Bluetooth universal car charger, comprising: a cigarette lighter plug 1, a connecting hose 2, and a screen display assembly 3; wherein, the cigarette lighter plug 1 is the screen display assembly The component 3 provides power; the cigarette lighter plug 1 includes a plug housing 11, and a positive contact point 12 and a negative contact point 13 arranged on the plug housing 11; one end of the connecting hose 2 is connected to the cigarette lighter plug 1, and the other end is connected to the screen display assembly 3; the screen display assembly 3 is provided with a display casing 31, a main control chip board 32, a display screen 34, a Bluetooth module 34, and a USB interface 36; the main control chip The board 32 is fixedly connected with the display housing 31; the main control chip board 32 is provided with a main control chip 321; the display screen 34, the Bluetooth module 35, the USB interface 36 and the main control chip 321 connected and fixed on the main control chip board 32; the positive contact point 12 and the negative contact point 13 are respectively electrically connected to the main control chip 321, the display screen 34, and the Bluetooth module 35. The USB interface 36; the side of the display shell 31 is provided with a plurality of gaps; the display shell 31 is connected to the USB interface 36 through the gaps; the bottom layer of the display shell 31 is connected to the connection The hose 2; the top layer of the display casing 31 is fixedly connected to the display screen 34. The car charger in this solution is provided with a Bluetooth module, which can be connected to other devices, such as smart phones, etc. The display function can also be realized through the setting of the display screen 34, and the display screen 34 is set on the top layer, which is convenient for users to view. Through the setting of the connecting hose 2, when the cigarette lighter plug 1 is connected to the vehicle for power supply, the setting of the connecting hose 2 can effectively adjust the angle of the screen display assembly 3, which can effectively adapt to different scenes in the vehicle and users different needs.

Those skilled in the art can understand that the accompanying drawing is only a schematic diagram of a preferred implementation scenario, and the modules or processes in the accompanying drawing are not necessarily necessary to implement the present invention.

Those skilled in the art can understand that the modules in the device in the implementation scenario may be distributed in the device in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the implementation scenario with corresponding changes. The modules of the above implementation scenarios may be combined into one module, or may be further split into multiple sub-modules.

The above serial numbers of the present invention are only for description, and do not represent the pros and cons of the implementation scenarios.

The above disclosures are only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims (10)

1. A Bluetooth universal car charger, comprising: a cigarette lighter plug, a connecting hose, and a screen display assembly; wherein, The cigarette lighter plug provides power for the screen display assembly; the cigarette lighter plug includes a plug housing, and a positive contact point and a negative electrode contact point arranged on the plug housing; One end of the connecting hose is connected to the cigarette lighter plug, and the other end is connected to the screen display assembly; The screen display assembly is provided with a display shell, a main control chip board, a display screen, a Bluetooth module, and a USB interface; the main control chip board is fixedly connected with the display shell; the main control chip board is provided with a main control The display screen, the Bluetooth module, and the USB interface are all connected to the main control chip, and are all fixed on the main control chip board; the positive contact point and the negative contact point are respectively The main control chip, the display screen, the Bluetooth module, and the USB interface are electrically connected; a plurality of gaps are arranged on the side of the display shell; the display shell is connected to the USB interface through the gaps connection; the bottom layer of the display casing is connected to the connecting hose; the top layer of the display casing is fixedly connected to the display screen. 2 . The Bluetooth universal car charger according to claim 1 , wherein the positive contact point is arranged at the bottom end of the plug shell, and the number of the negative contact points is 2; The negative contact points are symmetrically arranged on both sides of the lower part of the plug shell. 3 . The bluetooth universal car charger according to claim 1 , wherein the connecting hose is specifically a silicone hose; the silicone hose is provided with a power cord; the power cord is respectively connected to the The screen display assembly and the cigarette lighter plug are used to transmit the power of the cigarette lighter plug to the screen display assembly. 4 . The Bluetooth universal car charger according to claim 1 , wherein the connecting hose from outside to inside comprises: a plastic layer, a metal layer, and an internal protective layer; wherein, the internal protective layer is provided with There is a power cord; the power cord is respectively connected to the screen display assembly and the cigarette lighter plug, so as to transmit the power of the cigarette lighter plug to the screen display assembly. 5. The Bluetooth universal car charger according to claim 1 or 4, wherein the shape of the connecting hose is cylindrical; the cross section of the cigarette lighter plug is circular; the connecting The diameter of the hose is the same as the diameter of the cigarette lighter plug. 6 . The Bluetooth universal car charger according to claim 1 , wherein one end of the connecting hose is provided with a connecting ring, and the bottom of the display casing is provided with a connecting hole; The display shells are connected through the connection between the connection ring and the connection hole. 7 . The Bluetooth universal car charger according to claim 1 , wherein a plurality of strip-shaped heat dissipation holes are arranged at the bottom of the display casing; and the display screen is a color display screen. 8 . 8 . The bluetooth universal car charger according to claim 1 , wherein a voltage adjustment module is further provided on the main control chip board; the input end of the voltage adjustment module is electrically connected to the positive electrode contact. 9 . The point of contact with the negative electrode, and the output end of the voltage adjustment module is connected to the main control chip, the display screen, the Bluetooth module, and the USB interface. 9 . The Bluetooth universal car charger according to claim 1 , wherein a rotary button is further provided on the top of the screen display assembly; the rotary button is electrically connected to the main control chip; the rotary button The top of the button adopts a concave structure; the outer surface of the rotary button adopts a threaded structure; The main control chip board is also provided with a TF card interface; the TF card interface is connected to the main control chip. 10 . The Bluetooth universal car charger according to claim 1 , wherein the screen display component is further provided with a display switch button of the display screen; wherein, the display switch button is arranged on the display screen. 11 . side of the casing.

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