CN216354282U

CN216354282U - Aluminum substrate structure with hollow back

Info

Publication number: CN216354282U
Application number: CN202122391095.2U
Authority: CN
Inventors: 姚建军; 张双林
Original assignee: Shenzhen Hengbaoshi Pcb Co ltd
Current assignee: Shenzhen Hengbaoshi Pcb Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-19
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses an aluminum substrate structure with a hollowed back surface, which comprises an aluminum plate, wherein a PI film with an insulating effect is arranged on one side of the aluminum plate, an AD glue is arranged on one side of the PI film, a copper foil for arranging LED lamp components is arranged on one side of the AD glue, a first through hole is formed in the aluminum plate, a second through hole is formed in the aluminum plate, a first wiring hole for power wiring is formed in one side of the first through hole, and a second wiring hole for power wiring is formed in one side of the second through hole.

Description

Aluminum substrate structure with hollow back

Technical Field

The utility model relates to the technical field of circuit boards, in particular to an aluminum substrate structure with a hollow back surface.

Background

Nowadays, surface mount technology has been developed for circuit boards, i.e. a plurality of electronic components, such as capacitors, resistors, inductors, and integrated circuits, can be mounted on the surface of the circuit board to electrically connect the circuit board. Therefore, the area of the circuit board can be fully utilized, and more electronic elements can be assembled.

At present, part of specific circuit boards, such as an LED aluminum substrate, particularly a round barrel lamp and a spot lamp, are manufactured by using a single-sided aluminum substrate, a light-emitting LED and positive and negative connecting wires are assembled on a copper foil surface, the density and array shape of the LED layout are influenced, the appearance is also influenced, and the overall cost is high and the heat dissipation is also influenced by using a double-sided aluminum substrate.

Therefore, an aluminum substrate structure with a hollow back surface is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aluminum substrate structure with a hollowed back surface, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an aluminium base board structure of reverse side fretwork, includes aluminum plate, one side of aluminum plate is equipped with the PI membrane that has insulating effect, one side of PI membrane is equipped with AD and glues, one side that AD glued is equipped with the copper foil that is used for arranging LED lamp part, aluminum plate's inside is equipped with through-hole one, aluminum plate's inside still is equipped with through-hole two, one side of through-hole one is equipped with wiring hole one that is used for the power wiring, one side of through-hole two is equipped with wiring hole two that is used for the power wiring.

Preferably, the first through hole and the second through hole are distributed in central symmetry, the center of the first through hole is located at the anode of the aluminum plate, and the center of the second through hole is located at the cathode of the aluminum plate.

Preferably, the circle center of the first wiring hole and the circle center of the first through hole are located on the same vertical line, the diameter of the first wiring hole is equal to half of the diameter of the first through hole, the circle center of the second wiring hole and the circle center of the second through hole are located on the same vertical line, and the diameter of the second wiring hole is equal to half of the diameter of the second through hole.

Preferably, one side of the copper foil is a cloth surface for adhering the LED lamp component, and one side of the aluminum plate is a wiring surface for leading wires of the LED power line.

Preferably, the surface of the cloth surface is a foil surface which is large in space and smooth in blank.

The utility model has at least the following beneficial effects:

in the process of assembling the aluminum substrate, the LED component is adhered to the surface of the copper foil, the positive electrode and the negative electrode of the power line are connected to one side of the aluminum plate through the wiring hole I and the wiring hole II, compared with the prior art, the single-sided aluminum substrate is used for manufacturing, the light-emitting LEDs and the positive electrode and negative electrode wiring are assembled on the surface of the copper foil, the density and the array shape of the LED layout are influenced, the attractiveness is also influenced, the overall cost is high due to the use of the double-sided aluminum substrate, the heat dissipation is also influenced, the single-sided aluminum substrate with the double-sided welding function is designed, the cloth piece surface and the wiring surface of the aluminum substrate are separated from each other, the lead wire is connected without occupying the welding spot position of the front LED, and the LED spotlight has a good effect when being applied to the field of spot lamps and LEDs.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the structure of the present invention;

FIG. 3 is a partial sectional view of the present invention;

fig. 4 is a partial structural sectional view of the present invention.

In the figure: 1-an aluminum plate; 2-PI film; 3-AD glue; 4-copper foil; 5, a first through hole; 6-through hole II; 7-wiring hole one; 8-wiring hole two; 9-cloth surface; 10-wire side.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an aluminum substrate structure with a hollowed back surface comprises an aluminum plate 1, wherein a PI film 2 with an insulating effect is arranged on one side of the aluminum plate 1, one side of the PI film 2 is fixedly connected with the aluminum plate 1, an AD adhesive 3 is arranged on one side of the PI film 2, one side of the AD adhesive 3 is fixedly connected with the PI film 2, a copper foil 4 used for arranging LED lamp components is arranged on one side of the AD adhesive 3, one side of the copper foil 4 is fixedly connected with the AD adhesive 3, a through hole I5 is arranged inside the aluminum plate 1, a through hole II 6 is further arranged inside the aluminum plate 1, a wiring hole I7 used for power supply wiring is arranged on one side of the through hole I5, the wiring hole I7 penetrates through the PI film 2 and the AD adhesive 3, a wiring hole II 8 used for power supply wiring is arranged on one side of the through hole II 6, an LED element is pasted on the surface of the copper foil 4 during assembly, the PI film I5, the wiring hole I7 on one side of the through hole II 6 and the aluminum-based copper foil exposing the PI film 2 and the copper foil 4 at the wiring hole II 8, the LED single-sided aluminum substrate is equivalent to two welding spots, and can be connected with the anode and cathode wires of the LED, so that the single-sided aluminum substrate with the double-sided welding function is realized, and the applicability of the aluminum substrate is improved.

Through-hole one 5 is central symmetric distribution with through-hole two 6, just the center of through-hole one 5 is located aluminum plate 1 positive pole department, the center department of through-hole two 6 is located aluminum plate 1's negative pole department, and through-hole one 5 and through-hole two 6 provide sufficient space for the welding of power cord.

The centre of a circle of wiring hole one 7 and the centre of a circle of through-hole one 5 are in same vertical line, and the diameter of wiring hole one 7 equals half of through-hole one 5 diameter, the centre of a circle of wiring hole two 8 and the centre of a circle of through-hole two 6 are in same vertical line, and the diameter of wiring hole two 8 equals half of through-hole two 6 diameters, and wiring hole one 7 and wiring hole two 8 are favorable to location and accurate welding to aluminum plate 1 positive and negative pole department.

One side of copper foil 4 is for supplying the cloth face 9 that LED lamp part pasted, one side of aluminum plate 1 is for supplying the wiring face 10 of LED power cord lead wire, and cloth face 9 can cloth LED, need not consider to draw positive negative pole, and wiring face 10 lead-out wire does not interfere with cloth face 9, and the installation of being convenient for is used for in the aspect of shot-light illumination etc. elegant appearance.

The surface of the cloth surface 9 is a foil surface which is large in space and smooth in blank, so that the cloth surface 9 can be provided with as many LEDs as possible, the layout density is increased, an array is formed, and the illumination intensity of the spotlight is increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aluminum base plate structure of reverse side fretwork, includes aluminum plate (1), its characterized in that: one side of aluminum plate (1) is equipped with PI membrane (2) that have insulating effect, one side of PI membrane (2) is equipped with AD and glues (3), one side that AD glued (3) is equipped with copper foil (4) that are used for arranging LED lamp part, the inside of aluminum plate (1) is equipped with through-hole one (5), the inside of aluminum plate (1) still is equipped with through-hole two (6), one side of through-hole one (5) is equipped with wiring hole one (7) that are used for the power wiring, one side of through-hole two (6) is equipped with wiring hole two (8) that are used for the power wiring.

2. The aluminum substrate structure with hollowed-out reverse side of claim 1, wherein: the first through hole (5) and the second through hole (6) are distributed in a central symmetry mode, the center of the first through hole (5) is located at the positive electrode of the aluminum plate (1), and the center of the second through hole (6) is located at the negative electrode of the aluminum plate (1).

3. The aluminum substrate structure with hollowed-out reverse side of claim 1, wherein: the circle center of the first wiring hole (7) and the circle center of the first through hole (5) are located on the same vertical line, the diameter of the first wiring hole (7) is equal to half of the diameter of the first through hole (5), the circle center of the second wiring hole (8) and the circle center of the second through hole (6) are located on the same vertical line, and the diameter of the second wiring hole (8) is equal to half of the diameter of the second through hole (6).

4. The aluminum substrate structure with hollowed-out reverse side of claim 1, wherein: one side of copper foil (4) is for supplying cloth face (9) that LED lamp part pasted, one side of aluminum plate (1) is for supplying wiring face (10) of LED power cord lead wire.

5. The aluminum substrate structure with hollowed-out reverse side of claim 4, wherein: the surface of the cloth surface (9) is a foil surface which is large in space and smooth in blank.