CN214506617U - Vehicle-mounted charger with display function - Google Patents

Abstract

The utility model provides a vehicle-mounted charger with a display function, which comprises a shell, a tail cover, a PCB auxiliary board, a PCB main board, a USB interface, a digital display screen, a positive conductive terminal, a negative conductive terminal, an input electrolytic capacitor, an output electrolytic capacitor and an inductor, the electronic elements are welded on the PCB, when in use, one end of the positive conductive terminal is inserted into the cigarette lighter in the car, the input voltage of the small car cigarette lighter is 12V, the input voltage of the large car cigarette lighter is 24V, 12V-24V voltage input by the cigarette lighter is converted into 5V voltage of an electronic equipment charger through voltage conversion and is output to a USB interface, intelligent electronic equipment such as a mobile phone is charged, a digital display screen displays real-time voltage, the electronic equipment is prevented from being damaged due to abnormal voltage, the shell and the tail cover are connected through a buckle, and a user can conveniently use a flat screwdriver and the like for dismounting.

Description

Vehicle-mounted charger with display function

Technical Field

The utility model relates to a vehicle-mounted charger technical field, in particular to vehicle-mounted charger with display function.

Background

Modern electronic equipment prevalence is very high, and on-vehicle charger becomes the necessity in people's life gradually, can charge for electronic equipment in the car, but along with electronic equipment's kind is more and more, various electronic equipment's charging voltage can be different, and the voltage of car storage battery is unstable inadequately, can't know real-time charging voltage, and this all can bring the damage for electronic equipment, and most on-vehicle charger is not convenient for dismantle moreover.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a simple structure has the display function, and convenient to detach's on-vehicle charger solves current technical problem.

The utility model aims at realizing through the following technical scheme:

a vehicle-mounted charger with a display function comprises a shell (1), a tail cover (2), a PCB (printed Circuit Board) auxiliary board (3), a PCB main board (4), an inductor (14), an input electrolytic capacitor (15), an output electrolytic capacitor (16), a digital display screen (11), a USB (Universal Serial bus) interface (10), a buckle (5), a positive conductive terminal (6) and a negative conductive terminal (7), wherein the shell (1) and the tail cover (2) are fixed through the buckle (5), and the buckle (5) and the tail cover (2) are integrally formed; the USB interface (10) and the digital display screen (11) are welded on the PCB auxiliary board (3) and are electrically connected with the conducting layer of the PCB auxiliary board (3); the negative conductive terminal (7), the positive conductive terminal (6), the inductor (14) and the capacitor (15) are welded on the PCB main board (4) and are electrically connected with the conductive layer of the PCB main board (4);

further, shell (1) is close to and establishes only position ring (12) and snap ring (13) on the inside wall of installation tail-hood (2) one end, buckle (5) are including linking arm (502) and ka tai (501), during the assembly, card tai (501) card advances snap ring (13) lower extreme, only position ring (12) are hugged closely to tail-hood (2) lower surface.

Furthermore, the negative conductive terminal (7) extends towards two sides of the shell (1) to form a negative elastic sheet (701), negative contact points (702) are arranged on the negative elastic sheets (701) on the two sides, and negative fixing holes (101) corresponding to the negative contact points (702) are arranged on the two sides of the shell (1).

Further, positive conductive terminal (6) includes anodal spring (601) and anodal contact copper cap (602), anodal spring (601) one end and PCB mainboard (4) conducting layer electric connection, the other end installation back with anodal contact copper cap (602) electric connection, the one end that tail-hood (2) were kept away from in casing (1) is provided with anodal fixed orifices (102) that correspond with anodal contact copper cap (602).

Further, the USB interface (10) is of two USB-A interfaces and one USB-C interface.

The beneficial effects of the utility model reside in that:

1. the digital display screen is added to display the voltage of the vehicle-mounted charger during working, and the electronic equipment is prevented from being damaged due to overlarge voltage of the storage battery.

2. The buckle has been add between casing and tail-hood, and the user can use instrument such as plain end screwdriver to easily unpack the tail-hood, convenient to detach.

3. USB charging interfaces of different types are arranged so as to meet the charging requirements of electronic equipment of different types.

Drawings

FIG. 1 is a schematic diagram of the product of the present invention with parts separated;

FIG. 2 is a schematic view of another angle component of the product of the present invention;

FIG. 3 is a schematic view of the assembly of the present invention;

fig. 4 is a schematic view of the connecting portion between the casing and the tail cover of the present invention.

The reference numerals are explained below:

the PCB comprises a shell 1, a negative fixing hole 101, a positive fixing hole 102, a tail cover 2, a PCB auxiliary plate 3, a PCB main plate 4, a buckle 5, a clamping table 501, a connecting arm 502, a positive conductive terminal 6, a positive spring 601, a positive contact copper cap 602, a negative conductive terminal 7, a negative elastic sheet 701, a negative contact point 702, a USB mounting hole 8, a digital display screen mounting hole 9, a USB output port 10, a digital display screen 11, a stop ring 12, a snap ring 13, an inductor 14, an input electrolytic capacitor 15 and an output electrolytic capacitor 16.

Detailed Description

The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

In order to realize a simple structure, have the display function, have the interface type and easy to detach's on-vehicle charger that charges of multiple, can be applicable to kart and large-scale car simultaneously, the utility model discloses the content is shown as figure 1-4: a vehicle-mounted charger with a display function comprises a shell (1), a tail cover (2), a PCB (printed Circuit Board) auxiliary board (3), a PCB main board (4), an inductor (14), an input electrolytic capacitor (15), an output electrolytic capacitor (16), a digital display screen (11), a USB (Universal Serial bus) interface (10), a buckle (5), a positive conductive terminal (6) and a negative conductive terminal (7), wherein the shell (1) and the tail cover (2) are fixed through the buckle (5), and the buckle (5) and the tail cover (2) are integrally formed; the USB interface (10) and the digital display screen (11) are welded on the PCB auxiliary board (3) and are electrically connected with the conducting layer of the PCB auxiliary board (3); the negative conductive terminal (7), the positive conductive terminal (6), the inductor (14), the input electrolytic capacitor (15) and the output electrolytic capacitor (16) are welded on the PCB mainboard (4) and are electrically connected with the conductive layer of the PCB mainboard (4), the inductor (14) can be used for supplying direct current and blocking alternating current, a circuit and charging equipment are protected, and the input electrolytic capacitor (15) and the output electrolytic capacitor (16) can be used for storing and releasing energy; the voltage conversion can be realized in the circuit, the input voltage of the small automobile cigarette lighter is 12V, the input voltage of the large automobile cigarette lighter is 24V, the 12V-24V voltage input by the cigarette lighter is converted into the 5V voltage of the electronic equipment charger through the voltage conversion and is output to the USB interface, the stability of the vehicle-mounted charger is ensured, and the vehicle-mounted charger and the charging electronic equipment are protected;

the tail cover (2) is provided with corresponding USB interface mounting holes (8) and digital display screen mounting holes (9), and during assembly, the USB interface mounting holes (8) and the digital display screen mounting holes (9) are installed on the positions corresponding to the USB interface (10) and the digital display screen (11).

Electrically connected between PCB subplate (3) and PCB mainboard (4), during the use, directly will have anodal conductive terminal (6) one end insert cigarette lighter in the car, insert USB interface (10) that correspond with type again with the charging wire of the electronic equipment that needs to charge, digital display screen (11) show the voltage that charges, can prevent effectively that voltage anomaly from resulting in electronic equipment's damage.

Furthermore, a stop ring (12) and a snap ring (13) are arranged on the inner side wall of one end, close to the mounting tail cover (2), of the shell (1), the buckle (5) comprises a connecting arm (502) and a clamping table (501), the connecting arm (502) has certain elasticity, and during assembly, the clamping table (501) is clamped into the lower end of the snap ring (13) (the upper end is arranged on one side close to the tail cover, and the lower end is arranged on one side far away from the tail cover) and the lower surface of the tail cover (2) is tightly attached to the stop ring (12); the angle of the upper surface of the clamping table (501) and the connecting arm (502) is 70 degrees to 110 degrees, the angle of the lower surface of the clamping table (501) and the connecting arm (502) is 40 degrees to 80 degrees, the stop ring (12) can block the tail cover (2), the tail cover (2) is prevented from completely falling into the shell (1), when the clamping table is required to be disassembled, a flat screwdriver and the like are inserted into a mounting hole in the tail cover (2), the tail cover (2) is pried, the clamping table (501) falls off from the clamping ring (13), and a user can easily disassemble the tail cover (2).

Furthermore, the negative conductive terminal (7) extends towards two sides of the shell (1) to form a negative elastic sheet (701), negative contact points (702) are arranged on the negative elastic sheets (701) on the two sides, a negative fixing hole (101) corresponding to the negative contact point (702) is arranged on the shell (1), and the negative contact point (702) is connected to the negative electrode of the cigarette lighter during use.

Further, anodal conductive terminal (6) include anodal spring (601) and anodal contact copper cap (602), anodal spring (601) one end and PCB mainboard (4) conducting layer electric connection, the other end installation after with anodal contact copper cap (602) electric connection, anodal contact copper cap (602) insert the positive pole of cigar lighter, the one end that tail-hood (2) were kept away from in casing (1) is provided with anodal fixed orifices (102) that correspond with anodal contact copper cap (602).

Furthermore, the type of the USB interface (10) is two USB-A interfaces and one USB-C interface, and two or more different types of USB interfaces can be additionally arranged to meet the charging requirements of different types of electronic equipment.

The above description is for illustrative purposes only and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. that do not depart from the spirit and principles of the present invention should be construed as within the scope of the present invention.

Claims (5)

1. The utility model provides an on-vehicle charger with display function which characterized in that: the portable power supply comprises a shell (1), a tail cover (2), a PCB (printed circuit board) auxiliary board (3), a PCB main board (4), an inductor (14), an input electrolytic capacitor (15), an output electrolytic capacitor (16), a digital display screen (11), a USB (universal serial bus) interface (10), a buckle (5), a positive conductive terminal (6) and a negative conductive terminal (7), wherein the shell (1) and the tail cover (2) are fixed through the buckle (5), and the buckle (5) and the tail cover (2) are integrally formed;

the USB interface (10) and the digital display screen (11) are welded on the PCB auxiliary board (3) and are electrically connected with the conducting layer of the PCB auxiliary board (3);

the negative conductive terminal (7), the positive conductive terminal (6), the inductor (14), the input electrolytic capacitor (15) and the output electrolytic capacitor (16) are welded on the PCB mainboard (4) and are electrically connected with the conductive layer of the PCB mainboard (4);

the tail cover (2) is provided with a USB interface mounting hole (8) and a digital display screen mounting hole (9) which correspond to the USB interface (10) and the digital display screen (11);

the PCB auxiliary board (3) is electrically connected with the PCB main board (4).

2. The vehicle-mounted charger with the display function according to claim 1, wherein:

establish on casing (1) is close to the inside wall of installation tail-hood (2) one end and end position ring (12) and snap ring (13), buckle (5) are including linking arm (502) and ka tai (501), card tai (501) card advances snap ring (13) lower extreme, tail-hood (2) lower surface is hugged closely and is ended position ring (12).

3. The vehicle-mounted charger with the display function according to claim 1, wherein: the negative conductive terminal (7) extends towards two sides of the shell (1) to form a negative elastic sheet (701), negative contact points (702) are arranged on the negative elastic sheets (701) on the two sides, and negative fixing holes (101) corresponding to the negative contact points (702) are arranged on the two sides of the shell (1).

4. The vehicle-mounted charger with the display function according to claim 1, wherein: anodal conductive terminal (6) include anodal spring (601) and anodal contact copper cap (602), anodal spring (601) one end and PCB mainboard (4) conducting layer electric connection, other end installation back and anodal contact copper cap (602) electric connection, the one end that tail-hood (2) were kept away from in casing (1) is provided with anodal fixed orifices (102) that correspond with anodal contact copper cap (602).

5. The vehicle-mounted charger with the display function according to claim 1, wherein: the USB interface (10) comprises two USB-A interfaces and one USB-C interface.

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