CN219042097U

CN219042097U - PCB structure of vehicle-mounted adapter

Info

Publication number: CN219042097U
Application number: CN202223330089.7U
Authority: CN
Inventors: 刘所琴
Original assignee: Dongguan Huangyu Intelligent Co ltd
Current assignee: Dongguan Huangyu Intelligent Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-16
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a PCB structure of a vehicle-mounted adapter, which comprises a main PCB, an auxiliary plate, a second connector and a connecting plate, wherein the main PCB is provided with a first via hole and a second via hole which are arranged at intervals, the first via hole is welded with the first connector, the auxiliary plate comprises a first auxiliary plate and a second auxiliary plate, the upper end of the first auxiliary plate and the upper end of the second auxiliary plate are respectively fixed at the bottom wall position of the main PCB, the first auxiliary plate and the second auxiliary plate are arranged at intervals, the upper end of the second auxiliary plate is provided with an extension plate penetrating through the second via hole, the second connector is welded with the extension plate, and the connecting plate is arranged between the lower part of the first auxiliary plate and the lower part of the second auxiliary plate. The first connector is a USB-B interface, the second connector is a TYPE-C interface, and the parallel arrangement of the connectors can be realized after the second auxiliary board extends through the second via hole; and corresponding electronic elements are welded on the main PCB, the first auxiliary board and the second auxiliary board respectively, and then are assembled, so that the assembly efficiency is higher.

Description

PCB structure of vehicle-mounted adapter

Technical Field

The utility model relates to the field of vehicle-mounted adapters, in particular to a PCB structure of a vehicle-mounted adapter.

Background

The vehicle-mounted adapter (also called as a vehicle-mounted charger or a vehicle-mounted charging head) refers to a vehicle-mounted charger which is powered by a car battery (car 12V, truck 24V) conventionally, and is widely used in the field of lithium battery charging of various portable and handheld devices. Which have the same size specifications and thus are substantially uniform in volume.

But current on-vehicle adapter structure is rectangular shape, and consequently installation electronic component and PCB board are comparatively troublesome, and current PCB structure has the assembly trouble simultaneously, and the problem that anti fall ability is not enough. Meanwhile, the existing vehicle-mounted adapter is generally provided with a plurality of connectors on the top plate, if the sizes of the connectors are inconsistent, for example, the USB-B interface and the TYPE-C interface are smaller in height, so that a heightening plate or a vertically placed PCB is generally required to be additionally arranged for fixing, and the structure is messy.

For example, in chinese patent 202022495797.0, it can be inferred from fig. 2 that both USB-B and TYPE-C are soldered to the USB circuit board 2, and that a pad or PCB board is used for mounting.

Disclosure of Invention

The utility model mainly aims to provide a PCB structure of a vehicle-mounted adapter, and aims to improve the structure of the PCB, so that the assembly of the PCB is simpler, the installation of electronic elements is more compact, and meanwhile, even if the heights of interfaces are different, the direct installation of a USB-B interface and a TYPE-C interface can be realized, and an adapter is avoided.

In order to achieve the above object, the present utility model provides a PCB structure of a vehicle-mounted adapter, including:

the main PCB is provided with a first via hole and a second via hole which are arranged at intervals, and the first via hole is welded with a first joint;

the auxiliary plate comprises a first auxiliary plate and a second auxiliary plate, the upper end of the first auxiliary plate and the upper end of the second auxiliary plate are respectively fixed at the bottom wall of the main PCB, the first auxiliary plate and the second auxiliary plate are arranged at intervals, and the upper end of the second auxiliary plate is provided with an extension plate penetrating through the second through hole;

the second connector is welded to the extension plate, and the top wall of the second connector is flush with the top wall of the first connector;

the connecting plate is arranged between the lower part of the first auxiliary plate and the lower part of the second auxiliary plate.

According to the technical scheme, in the first embodiment, the first connector is a USB-B interface, the second connector is a TYPE-C interface, the parallel arrangement of the connectors can be realized after the second auxiliary board extends through the second through hole, in the second embodiment, the first through hole and the second through hole are arranged to be the same in size, the modular processing of products is facilitated, namely the second through hole can be directly welded with the USB-B interface without additionally customizing a main PCB board, and the USB-B interface of the second through hole can be welded on the second auxiliary board in a side-by-side manner; the corresponding electronic components are welded on the main PCB, the first auxiliary board and the second auxiliary board respectively, and then the electronic components are assembled, so that the product structure is rectangular frame-shaped, the structure is more stable, the use stability of anti-beating can be ensured even under the abnormal use condition (unless the PCB breaks, but the case is protected by a shell, and the situation is less), and the assembly is simple.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a first sub-panel structure;

FIG. 3 is a schematic view of a second sub-panel structure;

fig. 4 is a schematic diagram of a main PCB board.

In the figure, 1 is a main PCB board, 11 is a first via hole, 12 is a second via hole, 21 is a first connector, 22 is a second connector, 31 is a first sub-board, 32 is a second sub-board, 33 is an extension board, 4 is a connection board, 51 is a first electrical connection portion, 52 is a second electrical connection portion, 53 is a third electrical connection portion, 61 is a first electrical connection hole, 62 is a second electrical connection hole, 63 is a third electrical connection hole, 71 is a capacitor, 72 is a transformer, and 73 is a ballast.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications (such as up, down, left, right, front, rear, top, bottom, inner, outer, vertical, lateral, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first" or "second" etc. in the embodiments of the present utility model, the description of "first" or "second" etc. is only for descriptive purposes, and is not to be construed as indicating or implying 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 addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 4, a PCB board structure of an in-vehicle adapter includes:

the PCB comprises a main PCB (printed circuit board) 1, wherein the main PCB 1 is provided with a first via hole 11 and a second via hole 12 which are arranged at intervals, and a first joint 21 is welded to the first via hole 11;

the auxiliary board comprises a first auxiliary board 31 and a second auxiliary board 32, the upper end of the first auxiliary board 31 and the upper end of the second auxiliary board 32 are respectively fixed at the bottom wall position of the main PCB board 1, the first auxiliary board 31 and the second auxiliary board 32 are arranged at intervals, and the upper end of the second auxiliary board 32 is provided with an extension board 33 penetrating through the second via hole 12;

a second joint 22, the second joint 22 is welded to the extension plate 33, and the top wall of the second joint 22 is flush with the top wall of the first joint 21;

a connecting plate 4, said connecting plate 4 being arranged between the lower part of the first sub-plate 31 and the lower part of the second sub-plate 32.

In the first embodiment, the first connector 21 is a USB-B interface, the second connector 22 is a TYPE-C interface, the parallel arrangement of the connectors can be realized after the second sub-board 32 extends through the second via hole 12, in the second embodiment, the first via hole 11 and the second via hole 12 are set to be the same size, which is convenient for the modular processing of the product, i.e. the second via hole 12 can also be directly welded with the USB-B interface, without additionally customizing the main PCB board 1, of course, the USB-B interface of the second via hole 12 can also be welded on the second sub-board 32; the corresponding electronic components are respectively welded on the main PCB 1, the first auxiliary board 31 and the second auxiliary board 32, and then assembled, so that the product structure is rectangular frame-shaped, and the structure is more stable, and even under abnormal use conditions, the use stability of the anti-beating device (unless the PCB is broken, but the case is protected by a casing less), and the assembly is simple.

In the embodiment of the present utility model, the first sub-plate 31 and the second sub-plate 32 are arranged in parallel, and in a specific embodiment, a certain inclination angle may be provided, but in the mounting structure, the parallel arrangement has the lowest cost in processing and assembling, for example, in a non-parallel state, the connecting plate 4 is in a non-rectangular shape.

Specifically, the first electrical connection parts 51 extend from two sides of the upper end of the first sub-board 31, the main PCB board 1 is provided with first electrical connection holes 61 matched with the first electrical connection parts 51, and the first electrical connection parts 51 can extend into the first electrical connection holes 61 and then be fixed by welding.

Further, the second electrical connection parts extend from two sides of the upper end of the second auxiliary board 32, the main PCB board 1 is provided with a second electrical connection hole 62 matched with the second electrical connection part 52, and the second electrical connection part 52 can extend into the second electrical connection hole 62. And then fixed by soldering, wherein in the embodiment, the upper ends of the first and second

electric connection parts

51 and 52 are partially protruded from the top wall of the main PCB board 1.

More specifically, the first sub-board 31 is provided with three capacitors 71 disposed at intervals.

Further, the second sub-board 32 is provided with a transformer 72 and a ballast 73. Through setting up electronic component respectively at first auxiliary board 31 and second auxiliary board 32, and dislocation setting, make can place more electronic component in limited space, improve the power of adapter, in one of them embodiment, the upper wall of main PCB board 1 is equipped with control chip or control electric capacity.

Further, the first sub-plate 31 and the second sub-plate are both in a trapezoid shape with an upper part and a strip shape with a lower part, so as to correspond to the structure of the vehicle-mounted adapter with a big top and a small bottom.

In the embodiment of the present utility model, the two ends of the connection board 4 are provided with the third electrical connection parts 53, and the first auxiliary board 31 and the second auxiliary board 32 are respectively provided with the third electrical connection holes 63 matched with the third electrical connection parts 53, thereby realizing a frame-shaped conductive structure, wherein the connection board 4 is connected with the positive electrode pins. Namely, the main PCB, the first auxiliary board, the second auxiliary board and the connecting board are mutually and electrically conducted.

Further, the first via 11 and the second via 12 have the same structure size.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather, the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A PCB board structure of a vehicle-mounted adapter, comprising:

2. The PCB panel of the in-vehicle adapter of claim 1, wherein: the first and second sub-panels are arranged in parallel.

3. The PCB panel of the in-vehicle adapter of claim 1, wherein: the two sides of the upper end of the first auxiliary board are extended with first electric connection parts, the main PCB board is provided with first electric connection holes matched with the first electric connection parts, and the first electric connection parts can extend into the first electric connection holes.

4. The PCB panel of the in-vehicle adapter of claim 3, wherein: the two sides of the upper end of the second auxiliary plate are extended with second electric connection parts, the main PCB is provided with second electric connection holes matched with the second electric connection parts, and the second electric connection parts can extend into the second electric connection holes.

5. The PCB panel of the in-vehicle adapter of claim 1, wherein: and the first auxiliary plate is provided with three capacitors which are arranged at intervals.

6. The PCB panel of the in-vehicle adapter of claim 5, wherein: the second auxiliary board is provided with a transformer and a ballast.

7. The PCB panel of the in-vehicle adapter of claim 1, wherein: the first auxiliary plate and the second auxiliary plate are of a trapezoid structure, and the upper part of the first auxiliary plate and the second auxiliary plate are of a strip structure.

8. The PCB panel of the in-vehicle adapter of claim 1, wherein: the two ends of the connecting plate are provided with third electric connecting parts, and the first auxiliary plate and the second auxiliary plate are respectively provided with third electric connecting holes matched with the third electric connecting parts.

9. The PCB panel of the in-vehicle adapter of claim 1, wherein: the first via hole and the second via hole have the same structure size.

10. The PCB panel of the in-vehicle adapter of claim 1, wherein: the first joint is a USB-B interface, and the second joint is a TYPE-C interface.