CN219181753U

CN219181753U - PCB (printed circuit board) of automobile lamp

Info

Publication number: CN219181753U
Application number: CN202223501812.3U
Authority: CN
Inventors: 陈宗兵; 陈贝
Original assignee: Sanxinwei Electronic Technology Jiangsu Co ltd
Current assignee: Sanxinwei Electronic Technology Jiangsu Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-13
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses an automobile lamp PCB (printed circuit board) which comprises a PCB bracket, a first PCB and a second PCB, wherein the first PCB and the second PCB are detachably connected with the PCB bracket, the PCB bracket comprises a first supporting plate and a second supporting plate, the first supporting plate and the second supporting plate are arranged in parallel, the first supporting plate is circular, the second supporting plate is annular, the edge of the first supporting plate is connected with the inner side surface of the second supporting plate through a connecting plate, the automobile lamp PCB further comprises a connecting assembly, a first through hole is arranged on the first supporting plate, a second through hole is arranged on the first PCB at a corresponding position, and the connecting assembly is used for fixing the first PCB and the first supporting plate by penetrating through the first through hole and the second through hole. Through the components of a whole that can function independently setting of first PCB board and second PCB board, the radiating problem of solution first PCB board and second PCB board that can be better. Through setting up the PCB support in the bottom of PCB board, the PCB support has strengthened PCB trigger intensity, has played anticollision, impact-resistant effect.

Description

PCB (printed circuit board) of automobile lamp

Technical Field

The utility model relates to a PCB (printed circuit board), in particular to a PDB (polymer dispersed Board) board of an automobile lamp.

Background

The PCB is also called a printed circuit board, is a provider for electric connection of electronic components, the car lamp is a lamp on a vehicle, the car lamp is a tool for lighting the road when the vehicle runs at night, and the PCB is one of the indispensable electronic components when the car controls the car lamp. The PCB board of traditional car light is with the design of LAM (LED lamp plate module) and LDM (circuit module) unification, because LED and power heat source overlap the reason, from the radiating angle, the PCB board need use high heat conduction copper base plate to do the heat dissipation conduction to reach good radiating effect, also consequently the price is high.

Disclosure of Invention

The utility model aims to provide a PCB board of an automobile lamp for overcoming the defects.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an automobile lamp PCB board, includes PCB support, first PCB board and second PCB board, first PCB board with the second PCB board all with the connection can be dismantled to the PCB support, the PCB support includes first backup pad and second backup pad, first backup pad with second backup pad parallel arrangement, first backup pad is circular, the second backup pad is annular, the edge of first backup pad with the medial surface of second backup pad passes through the connecting plate and connects, still includes coupling assembling, be provided with first through-hole in the first backup pad, first PCB board is provided with the second through-hole in the relevant position, coupling assembling passes first through-hole with the second through-hole is fixed first PCB board with first backup pad. The first PCB is used for connecting the LED lamp panel module, the second PCB is used for connecting the circuit module, and the radiating problem of the first PCB and the second PCB can be better solved through the split setting of the first PCB and the second PCB. Through setting up the PCB support in the bottom of PCB board, the PCB support has strengthened PCB trigger intensity, has played anticollision, impact-resistant effect.

Further, the upper surface of first backup pad is provided with first recess, the size, the shape of first recess with first PCB board looks adaptation, first PCB board sets up in the first recess. The first groove can protect the first PCB, and the first PCB further plays a role in collision resistance and impact resistance.

Further, be provided with on the second backup pad to the flange that first backup pad direction extends, flange, second backup pad and connecting plate form the second recess jointly, the second recess is annular structure, the shape, the size of second PCB board with second recess looks adaptation, second PCB board joint is in the second recess. The second groove is connected in the second groove in a clamping mode, the second groove can protect the second PCB, and the second PCB further plays a role in collision resistance and impact resistance.

Further, be provided with the bar through-hole on the connecting plate, the bar through-hole is provided with a plurality ofly to a plurality of the bar through-hole equidistance is arranged, through the setting of bar through-hole, in order to do benefit to first PCB board heat dissipation.

Further, the connecting assembly comprises a positioning seat arranged in the first through hole and the second through hole, the positioning seat comprises a stud and a knob, the top of the stud penetrates through the top of the first PCB and is fixedly connected with the knob, a gasket is sleeved on the bottom of the stud and positioned on the lower surface of the first support plate, screw teeth are arranged on the bottom of the stud, nuts are sleeved on the screw teeth, the top of the gasket is in contact with the first support plate, and the bottom of the gasket is in contact with the nuts.

Further, a hexagonal groove is formed in the top of the knob, and the shape of the hexagonal groove is hexagonal.

Further, the upper portion of the surface of the stud and the upper portion of the surface of the first PCB are sleeved with springs, one ends of the springs are abutted to the lower surface of the knob, and the other ends of the springs are abutted to the upper surface of the first PCB. Through the setting of spring, play the guard action to first PCB board. .

The beneficial effects of the utility model are as follows:

1) Through the components of a whole that can function independently setting of first PCB board and second PCB board, the radiating problem of solution first PCB board and second PCB board that can be better. Through setting up the PCB support in the bottom of PCB board, the PCB support has strengthened PCB trigger intensity, has played anticollision, impact-resistant effect.

2) The first groove can protect the first PCB by being clamped in the first groove, and further plays a role in collision resistance and impact resistance on the first PCB. The second groove is connected in the second groove in a clamping mode, the second groove can protect the second PCB, and the second PCB is further prevented from collision and is impact-resistant.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a PCB of an automotive lamp according to an embodiment of the present utility model;

fig. 2 is a perspective view of a PCB support according to an embodiment of the present utility model;

fig. 3 is a schematic diagram illustrating connection between a first support board and a first PCB board according to an embodiment of the utility model.

In the figure: 1. a PCB bracket; 11. a first support plate; 111. a first groove; 112. a first through hole; 12. a second support plate; 121. a flange; 122. a second groove; 13. a connecting plate; 131. a bar-shaped through hole; 2. a first PCB board; 3. a second PCB board; 4. a connection assembly; 41. a knob; 411. hexagonal grooves; 42. a stud; 43. a spring; 44. a gasket; 45. and (3) a nut.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 and 2, an automotive lamp PCB board in this embodiment includes a PCB support 1, a first PCB board 2 and a second PCB board 3, where the first PCB board 2 and the second PCB board 3 are detachably connected to the PCB support, and the first PCB board 2 and the second PCB board 3 are supported and fixed by the PCB support 1.

In some embodiments, the PCB support 1 includes a first support plate 11 and a second support plate 12, where the first support plate 11 and the second support plate 12 are disposed in parallel, the first support plate 11 is circular, the second support plate 12 is annular, and edges of the first support plate 11 and inner sides of the second support plate 12 are connected by a connection plate 13, so that the first support plate 11 and the second support plate 12 are in a stair shape.

In some embodiments, the upper surface of the first support plate 11 is provided with a first groove 111, the size and shape of the first groove are matched with those of the first PCB 2, the first PCB 2 is disposed in the first groove 111, so that the first PCB 2 is clamped in the first groove 111, the first PCB is fixed through the side wall of the first groove 111, and meanwhile, the first groove 111 can protect the first PCB 2, so that the first PCB 2 is anti-collision and impact-resistant.

In some embodiments, the first support plate 11 is provided with a flange 121 extending toward the first support plate 11, the flange 121, the second support plate 12 and the connecting plate 13 together form a second groove 122, the second groove 122 is in an annular structure, the shape of the second support plate 12 is similar to that of the second support plate 12, the shape, the size and the second support plate 12 of the second PCB 3 are adapted, the second PCB 3 is disposed in the second groove 122, so that the second PCB 3 is clamped in the second groove 122, and the second PCB is fixed by the side wall of the second groove 122.

In some embodiments, the connecting plate 13 is provided with a plurality of strip-shaped through holes 131, and the plurality of strip-shaped through holes 131 are arranged equidistantly, so that the heat dissipation of the first PCB board is facilitated by the arrangement of the strip-shaped through holes 131.

In some embodiments, the connecting assembly 4 further comprises a first through hole 112 provided on the first supporting plate 11, and a second through hole provided on the first PCB board 2 at a corresponding position, and the connecting assembly 4 fixes the first PCB board 2 and the first supporting plate 11 by passing through the first through hole 112 and the second through hole.

Referring to fig. 3, in some embodiments, the connection assembly 4 includes a positioning seat disposed in the first through hole 112 and the second through hole, the top of the positioning seat includes a stud 42 and a knob 41, the top of the stud 42 penetrates to the top of the PCB board and is fixedly connected with the knob 41, a hexagonal groove 411 is formed at the top of the knob 41, the shape of the hexagonal groove 411 is hexagonal, the knob 41 is conveniently rotated by a user through the arrangement of the hexagonal groove 411, a gasket 44 is sleeved at the bottom of the surface of the stud 42 and at the bottom of the first support plate 11, screw teeth are disposed at the bottom of the surface of the stud 42, and nuts 45 are sleeved on the surface of the screw teeth. The top of the spacer 44 contacts the first support plate 11, and the bottom of the spacer 44 contacts the nut 45, so that the first support plate 11 is protected by the spacer 44.

In some embodiments, the upper portion of the surface of the stud 42 and the upper portion of the surface of the first PCB 2 are sleeved with the spring 43, one end of the spring 43 is abutted against the lower surface of the knob 41, the other end is abutted against the upper surface of the first PCB 2, and the protection effect on the first PCB 2 is achieved through the arrangement of the spring 43.

In some embodiments, the second PCB 3 and the second support plate 12 are connected by the connection assembly 4 in the same manner as the first support plate 11 and the first PCB 2, which is not described herein.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are 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 the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides an automobile lamp PCB board, its characterized in that, including PCB support (1), first PCB board (2) and second PCB board (3), first PCB board (2) with second PCB board (3) all with PCB support (1) can dismantle the connection, PCB support (1) include first backup pad (11) and second backup pad (12), first backup pad (11) with second backup pad (12) parallel arrangement, first backup pad (11) are circular, second backup pad (12) are annular, the edge of first backup pad (11) with the medial surface of second backup pad (12) is connected through connecting plate (13), still includes coupling assembling (4), be provided with first through-hole (112) on first backup pad (11), first PCB board (2) are provided with the second through-hole in the relevant position, coupling assembling (4) are through passing first through-hole (112) second through-hole is fixed first board (2) with first backup pad (11).

2. An automotive lamp PCB according to claim 1, characterized in that the upper surface of the first support plate (11) is provided with a first recess (111), the size and shape of the first recess (111) is adapted to the first PCB (2), and the first PCB (2) is arranged in the first recess (111).

3. The automobile lamp PCB board according to claim 2, wherein the second support plate (12) is provided with a flange (121) extending towards the first support plate (11), the flange (121), the second support plate (12) and the connecting plate (13) together form a second groove (122), the second groove (122) is of an annular structure, the shape and size of the second PCB board (3) are matched with the second groove (122), and the second PCB board (3) is clamped in the second groove (122).

4. A PCB board for an automotive lamp according to claim 3, characterized in that the connecting board (13) is provided with a plurality of bar-shaped through holes (131), and the plurality of bar-shaped through holes (131) are arranged equidistantly.

5. The automobile lamp PCB according to claim 4, wherein the connecting assembly (4) comprises a positioning seat arranged in the first through hole (112) and the second through hole, the positioning seat comprises a stud (42) and a knob (41), the top of the stud (42) penetrates through the top of the first PCB (2) and is fixedly connected with the knob (41), a gasket (44) is sleeved on the bottom of the stud (42) and positioned on the lower surface of the first supporting plate (11), screw teeth are arranged at the bottom of the stud (42), nuts (45) are sleeved on the screw teeth, the top of the gasket (44) is in contact with the first supporting plate (11), and the bottom of the gasket (44) is in contact with the nuts (45).

6. The automobile lamp PCB of claim 5, wherein the top of the knob (41) is provided with a hexagonal groove (411), and the shape of the hexagonal groove (411) is hexagonal.

7. The automobile lamp PCB according to claim 6, wherein a spring (43) is sleeved on the upper portion of the surface of the stud (42) and located on the upper surface of the first PCB (2), one end of the spring (43) is abutted against the lower surface of the knob (41), and the other end of the spring is abutted against the upper surface of the first PCB (2).