CN220254763U - Circuit board structure and full spectrum LED lamps and lanterns - Google Patents

Abstract

The utility model relates to a circuit board structure and a full spectrum LED lamp, comprising a circuit board; the circuit board is simple in structure, and a first wire outlet pad, a second wire outlet pad and a third wire outlet pad which are sequentially arranged along the length direction of the circuit board are arranged on the circuit board, and are respectively connected with different wires when in wire connection; the wiring direction of all wires is not coincident with the length extension direction of the circuit board, so that the overlapping thickness of the head-tail connection part of the circuit board can be reduced, light spots are improved, glare is reduced, and the influence of the light spots on the watching effect and the attractiveness degree after the light is lighted is avoided.

Description

Circuit board structure and full spectrum LED lamps and lanterns

Technical Field

The utility model relates to the technical field of lamps, in particular to a circuit board structure.

Background

The existing LED ceiling lamp generally comprises a lamp panel, a lamp shade connected with the lamp panel, an LED annular lamp strip arranged on the lamp panel and a driving power supply electrically connected with the LED annular lamp. The LED lamp strip in the ceiling lamp is generally formed by welding the head end and the tail end of the flexible circuit board into a ring shape, so that side light emission is realized; however, since the plurality of soldering heads of the circuit board in the lamp strip are mostly arranged at one end of the head or tail of the circuit board in parallel, the head and tail of the circuit board are at least partially overlapped after being soldered into a ring, as shown in fig. 1-2, a plurality of wires connected with the soldering heads run along the length direction of the circuit board from the head or tail of the circuit board, so that the overlapping thickness of the head-tail connection part of the circuit board is greatly increased, light spots are easily generated, and the watching effect and the aesthetic degree of the lamp after the lamp is lighted are affected.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a circuit board structure aiming at the defects in the prior art.

The technical scheme adopted for solving the technical problems is as follows: a circuit board structure comprises a circuit board; the two ends of the circuit board are respectively a first connecting end and a second connecting end; the first connecting end and/or the second connecting end comprises a first wiring area and a second wiring area which are sequentially arranged from outside to inside along the length direction of the circuit board; at least one first wire outlet bonding pad is arranged in the first wiring area, and a second wire outlet bonding pad and a third wire outlet bonding pad are arranged in the second wiring area; the first wire outgoing bonding pad, the second wire outgoing bonding pad and the third wire outgoing bonding pad are sequentially distributed along the length direction of the circuit board; the first wire outgoing bonding pad, the second wire outgoing bonding pad and the third wire outgoing bonding pad are respectively and electrically connected with different wires, wherein the wire routing directions of all the wires are not overlapped with the length extending direction of the circuit board;

the circuit board structure comprises a front character layer, a front window layer, a front circuit layer and a back circuit layer which are stacked in sequence from top to bottom; the front circuit layer is electrically connected with the back circuit layer; the first wire outlet bonding pad, the second wire outlet bonding pad and the third wire outlet bonding pad are arranged at two ends of the front window opening layer; the first wire outlet bonding pad, the second wire outlet bonding pad and the third wire outlet bonding pad are electrically connected with the front circuit layer of the next layer;

the circuit board structure is characterized in that a plurality of windows which are in one-to-one correspondence with the first wire outlet bonding pads, the second wire outlet bonding pads and the third wire outlet bonding pads and are in bonding pad hole forms are further arranged on the front window opening layer;

the circuit board structure provided by the utility model is characterized in that the length and width dimensions of the front circuit layer are the same as those of the back circuit layer;

the circuit board structure provided by the utility model is characterized in that a plurality of connecting parts are arranged between the first connecting end and the second connecting end of the circuit board; the first connecting end or the second connecting end is connected with any connecting part through a fixing piece;

the circuit board structure provided by the utility model further comprises a drilling layer covering the lower surface of the reverse circuit layer; a plurality of drill holes are formed in the drill hole layer;

the circuit board structure comprises a circuit board body, wherein the wiring direction of all wires is perpendicular to the length extension direction of the circuit board;

on the other hand, the utility model also provides a full spectrum LED lamp, wherein the circuit board structure is fixedly arranged in the LED lamp.

The utility model has the beneficial effects that: the circuit board structure and the full-spectrum LED lamp are ingenious in design, and a first wire outgoing pad, a second wire outgoing pad and a third wire outgoing pad which are sequentially arranged along the length direction of the circuit board are arranged on the circuit board, and are respectively connected with different wires during wiring; the wiring direction of all wires is not coincident with the length extension direction of the circuit board, so that the overlapping thickness of the head-tail connection part of the circuit board can be reduced, light spots are improved, glare is reduced, and the influence of the light spots on the watching effect and the attractiveness degree after the light is lighted is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

FIG. 1 is a schematic view of a partially expanded structure of a prior art circuit board;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a partially expanded view of a circuit board structure according to a preferred embodiment of the utility model;

FIG. 4 is an enlarged view of B in FIG. 3;

fig. 5 is an exploded view of the circuit board of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

A circuit board structure according to a preferred embodiment of the present utility model, as shown in fig. 3-4, includes a circuit board 10; the two ends of the circuit board 10 are a first connection end and a second connection end respectively. In the present embodiment, the first connection terminal or the second connection terminal includes a first connection region 101 and a second connection region 102 which are sequentially disposed from outside to inside along the length direction of the wiring board 10; alternatively, the first and second terminals may include a first connection region 101 and a second connection region 102 sequentially disposed from the outside to the inside along the length direction of the circuit board 10. At least one first wire outgoing pad 103 is arranged in the first wiring area 101, and a second wire outgoing pad 104 and a third wire outgoing pad 105 are arranged in the second wiring area 102; the first wire-out pad 103, the second wire-out pad 104 and the third wire-out pad 105 are sequentially arranged along the length direction of the circuit board 10; the first wire outgoing bonding pad, the second wire outgoing bonding pad and the third wire outgoing bonding pad are respectively and electrically connected with different wires, wherein the wire routing directions of all wires are not overlapped with the length extending direction of the circuit board. Specifically, one of the first wire-out pad 103, the second wire-out pad 104 and the third wire-out pad 105 is electrically connected with the zero wire, one is electrically connected with the live wire, and the other is electrically connected with the ground wire; the wiring directions of the zero line, the live line and the ground line are perpendicular to the length extending direction of the circuit board 10, so that the overlapping thickness of the two ends of the circuit board can be reduced to a great extent. Alternatively, the wires may be the same or different types of wires in the prior art, which are all within the scope of the present utility model.

The circuit board is simple in structure, and a first wire outlet pad, a second wire outlet pad and a third wire outlet pad which are sequentially arranged along the length direction of the circuit board are arranged on the circuit board, and are respectively connected with different wires when in wire connection; the wiring direction of all wires is not coincident with the length extension direction of the circuit board, so that the overlapping thickness of the head-tail connection part of the circuit board can be reduced, light spots are improved, glare is reduced, and the influence of the light spots on the watching effect and the attractiveness degree after the light is lighted is avoided.

As shown in fig. 5, the circuit board 10 includes a front character layer 11, a front window layer 12, a front circuit layer 13, and a back circuit layer 14 stacked in this order from top to bottom; the front circuit layer 13 is electrically connected with the back circuit layer 14; the two ends of the front window layer 12 are provided with a first wire outlet bonding pad 103, a second wire outlet bonding pad 104 and a third wire outlet bonding pad 105; the first wire outgoing pad 103, the second wire outgoing pad 104 and the third wire outgoing pad 105 are all electrically connected with the front circuit layer 13 of the next layer, and further, a chip pad, a resistor pad, a capacitor pad, a lamp bead pad and the like are also arranged on the front window layer 12, and the plurality of pads are all electrically connected with the front circuit layer 13; the multiple bonding pads are concentrated on the front window layer 12, so that the density is high, more lamp beads and other components can be arranged in a limited circuit board space, the integration degree is high, and the cost is saved.

Further, a plurality of windows 121, which are in the form of pad holes and are in one-to-one correspondence with the first wire bonding pad 103, the second wire bonding pad 104 and the third wire bonding pad 105, are further provided on the front window layer 12.

Further, the length-width dimension of the front circuit layer 13 is the same as the length-width dimension of the back circuit layer 14.

Further, the circuit board 10 is further provided with a plurality of connection parts between the first connection end and the second connection end; the first connecting end or the second connecting end is connected with any connecting part through a fixing piece; the connecting part is a part which can be connected with the first connecting end or the second connecting end, alternatively, the fixing piece can be a fixing screw, and the first connecting end and the second connecting end are mutually staggered and encircle to form a ring shape; the first connecting end or the second connecting end is fixedly connected with the connecting part through a screw; alternatively, the fixing member may be a welding rod, and the first connection end or the second connection end is welded to the connection portion by the welding rod. The connection is firm.

Further, the circuit board 10 further includes a drilling layer 15 covering the lower surface of the reverse circuit layer 14; the drilling layer 15 is provided with a plurality of drilling holes 151, so that heat can be dissipated, current pressure can be relieved, larger current can be born, and the safety and reliability of the circuit board are improved.

On the other hand, the utility model also claims a full spectrum LED lamp, wherein the circuit board structure is fixedly arranged in the LED lamp.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims (8)

1. The circuit board structure is characterized by comprising a circuit board; the two ends of the circuit board are respectively a first connecting end and a second connecting end; the first connecting end and/or the second connecting end comprises a first wiring area and a second wiring area which are sequentially arranged from outside to inside along the length direction of the circuit board; at least one first wire outlet bonding pad is arranged in the first wiring area, and a second wire outlet bonding pad and a third wire outlet bonding pad are arranged in the second wiring area; the first wire outgoing bonding pad, the second wire outgoing bonding pad and the third wire outgoing bonding pad are sequentially distributed along the length direction of the circuit board; the first wire outgoing bonding pad, the second wire outgoing bonding pad and the third wire outgoing bonding pad are respectively and electrically connected with different wires, wherein the wire routing directions are not overlapped with the length extending directions of the circuit board.

2. The circuit board structure according to claim 1, wherein the circuit board comprises a front character layer, a front window layer, a front circuit layer and a back circuit layer which are stacked in sequence from top to bottom; the front circuit layer is electrically connected with the back circuit layer; the first wire outlet bonding pad, the second wire outlet bonding pad and the third wire outlet bonding pad are arranged at two ends of the front window opening layer; the first wire outgoing bonding pad, the second wire outgoing bonding pad and the third wire outgoing bonding pad are electrically connected with the front circuit layer of the next layer.

3. The circuit board structure of claim 2, wherein the front side window layer is further provided with a plurality of windows in the form of pad holes in one-to-one correspondence with the first wire bonding pad, the second wire bonding pad and the third wire bonding pad.

4. A circuit board structure according to claim 3, wherein the length-width dimension of the front circuit layer is the same as the length-width dimension of the back circuit layer.

5. The circuit board structure according to any one of claims 1-4, wherein a plurality of connection parts are further arranged between the first connection end and the second connection end of the circuit board; the first connecting end or the second connecting end is connected with any connecting part through a fixing piece.

6. The circuit board structure of claim 2, further comprising a drill layer overlying the lower surface of the reverse circuit layer; and a plurality of drilling holes are formed in the drilling layer.

7. The circuit board structure of claim 1, wherein the routing directions of all the wires are perpendicular to the length extension direction of the circuit board.

8. A full spectrum LED lamp, wherein the circuit board structure as claimed in any one of claims 1 to 7 is fixedly mounted in the LED lamp.