CN210860802U

CN210860802U - Luminous source module with printed circuit for keyboard

Info

Publication number: CN210860802U
Application number: CN201922076491.9U
Authority: CN
Inventors: 肖都
Original assignee: Shenzhen Rui Porcelain Technology Co ltd
Current assignee: Shenzhen Rui Porcelain Technology Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-06-26
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a take lighting source module for keyboard of printed circuit, there is the PCB circuit board of silver thick liquid circuit including the printing, one side of PCB circuit board is provided with the PET double faced adhesive tape, and one side of PCB circuit board is fixed with the polyester film who takes LED lamp pearl through the PET double faced adhesive tape bonding, the opposite side outside of PCB circuit board is connected with the polyester layer through glue. The utility model provides a PCB circuit board adopts the PCB circuit board that the printing has silver thick liquid circuit, the line impedance of circuit has effectively been reduced, make LED lamp pearl luminous even, through two-layer polyester film and a polyester layer that sets up, make light emitting source module's insulating effectual, in addition through first nonmetal heat conduction microchip, the nonmetal heat conduction microchip of second, nonmetal heat conduction claw, the cured resin board, the heat conduction stick, the radiating block, convex air vent and air filter membrane cooperate, make light emitting source module have better heat dispersion.

Description

Luminous source module with printed circuit for keyboard

Technical Field

The utility model relates to a light emitting source module technical field especially relates to a take light emitting source module for keyboard of printed circuit.

Background

With the advancement of the times, computers are one of the most popular electronic devices used in life. With the current use of computers, keyboards are one of the indispensable input devices. The main function of the keyboard is to input data, developed from typewriter keyboards, through which characters, symbols or numbers can be input, and the operation of the computer can also be controlled.

In order to facilitate users with different requirements, the keyboard is used in the simplest way, and therefore the design of the keyboard is more and more diversified. If the keyboard is classified according to the switch design of the keyboard, the keyboard can be classified into a mechanical type, a film type, a conductive rubber type, a contactless electrostatic capacity type and the like; if the key printing method is classified according to the keyboard, the method can be classified into non-imprint, ink printing, laser printing, two-color forming, thermal sublimation printing, etc.

Due to the wide variety of keyboards, when a user selects a keyboard, the visual effect of the keyboard is increasingly favored by the user in addition to selecting a keyboard with basic input function. For example, the light-emitting keyboard currently available on the market, besides being visually attractive to the user, can be used at night or in places with insufficient lighting. Therefore, the luminous keyboard is more competitive in the market. The luminous source module is an indispensable component of the luminous keyboard, the existing luminous source module is poor in non-uniform consistency due to the fact that wiring impedance errors are too large, products are thick, and heat dissipation performance is poor, so that the luminous source module with the printed circuit for the keyboard is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a luminous source module for a keyboard with a printed circuit.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a luminous source module for a keyboard with a printed circuit comprises a PCB printed with a silver paste circuit, wherein one side of the PCB is provided with a PET double-sided adhesive tape, one side of the PCB is fixedly bonded with a polyester film with LED lamp beads through the PET double-sided adhesive tape, the outer side of the other side of the PCB is connected with a polyester layer through glue, one side of the polyester layer, far away from the PCB, is in a lotus seedpod shape and is embedded with a plurality of first non-metal heat-conducting micro-sheets, the outer side of each first non-metal heat-conducting micro-sheet is annularly provided with a plurality of non-metal heat-conducting claws which are embedded in the polyester layer, one end of each non-metal heat-conducting claw, far away from the first non-metal heat-conducting micro-sheet, is connected with a second non-metal heat-conducting micro-sheet embedded at the other side of the polyester layer, the other side of the polyester layer, the cured resin board is close to and bonds the radiating block that has conical structure on the inside one side inner wall of PCB circuit board, and one side that the radiating block is close to the PCB circuit board sets up to circular structure to be connected with the heat conduction stick of closely laminating with first nonmetal heat conduction microchip, the convex air vent that is linked together rather than inside is seted up all around in the outside of cured resin board, and the inside bonding of convex air vent is fixed with the gas filtration membrane, one side that the PCB circuit board was kept away from to the cured resin board is provided with polyester film, and polyester film passes through the PET double faced adhesive tape and bonds on the cured resin board.

Preferably, the number of the LED lamp beads is multiple, and the LED lamp beads are connected with the PCB through wires and arranged on one side of the polyester film away from the PCB.

Preferably, the first nonmetal heat conduction microchip, the second nonmetal heat conduction microchip and the nonmetal heat conduction claw are all integrally processed by diamond materials.

Preferably, the cured resin plate is processed from a high temperature resistant material.

Preferably, a circular through hole which is fixedly bonded with the outer side of the heat conducting rod through glue is formed in the inner wall of one side of the cured resin plate, which is close to the PCB.

Preferably, the heat dissipation block and the plurality of heat conduction rods are integrally made of metal materials.

Preferably, the glue is organic high-temperature-resistant glue.

The utility model provides a PCB circuit board adopts the PCB circuit board that the printing has silver thick liquid circuit, the line impedance of circuit has effectively been reduced, make LED lamp pearl luminous even, through two-layer polyester film and a polyester layer that sets up, make light emitting source module's insulating effectual, in addition through first nonmetal heat conduction microchip, the nonmetal heat conduction microchip of second, nonmetal heat conduction claw, the cured resin board, the heat conduction stick, the radiating block, convex air vent and air filter membrane cooperate, make light emitting source module have better heat dispersion.

Drawings

Fig. 1 is a schematic structural view of a split-open state of a cured resin plate in a light source module for a keyboard with a printed circuit according to the present invention;

fig. 2 is a schematic structural view of the light source module with printed circuit for keyboard, in which the cured resin plate is not cut open.

In the figure: 1 PCB circuit board, 2 PET double faced adhesive tape, 3 polyester film, 4 LED lamp pearls, 5 polyester layers, 6 first nonmetal heat conduction micro-pieces, 7 second nonmetal heat conduction micro-pieces, 8 nonmetal heat conduction claws, 9 cured resin boards, 10 heat conduction rods, 11 radiating blocks, 12 circular arc air vents and 13 air filtration membranes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a light source module for a keyboard with a printed circuit comprises a PCB circuit board 1 printed with silver paste lines, a PET double-sided adhesive tape 2 is arranged on one side of the PCB circuit board 1, a polyester film 3 with LED lamp beads 4 is fixedly bonded on one side of the PCB circuit board 1 through the PET double-sided adhesive tape 2, the number of the LED lamp beads 4 is multiple, the LED lamp beads 4 are all connected with the PCB circuit board 1 through wires and are arranged on one side of the polyester film 3 away from the PCB circuit board 1, the outer side of the other side of the PCB circuit board 1 is connected with a polyester layer 5 through glue, a plurality of first non-metal heat-conducting micro-sheets 6 are embedded in the polyester layer 5 in a lotus seedpod shape on one side of the polyester layer 5 away from the PCB circuit board 1, a plurality of non-metal heat-conducting claws 8 built in the polyester layer 5 are annularly arranged on the outer side of each first non-metal heat-conducting micro-sheet 6, one end of the non, the first nonmetal heat conducting microchip 6, the second nonmetal heat conducting microchip 7 and the nonmetal heat conducting claws 8 are all integrally processed by diamond materials, the second nonmetal heat conducting microchip 7 is tightly attached to the other side of the PCB 1, the other side of the polyester layer 5, which is far away from the PCB 1, is bonded with a solidified resin plate 9 with a hollow structure inside, a radiating block 11 with a conical structure is bonded on the inner wall of one side of the solidified resin plate 9, which is close to the PCB 1, one side of the radiating block 11, which is close to the PCB 1, is set to be in a circular structure, is connected with a heat conducting rod 10 tightly attached to the first nonmetal heat conducting microchip 6, the radiating block 11 and a plurality of heat conducting rods 10 are integrally built by adopting metal materials, the solidified resin plate 9 is processed by high temperature resistant materials, a circular through hole which is bonded and fixed with the outer side of the heat conducting rod 10 through glue is arranged on the inner wall of one side of the solidified, the periphery of the outer side of the cured resin plate 9 is provided with circular arc-shaped air vents 12 communicated with the inside of the cured resin plate, the inside of the circular arc-shaped air vents 12 is fixedly bonded with an air filtering film 13, one side of the cured resin plate 9, which is far away from the PCB circuit board 1, is provided with a polyester film 3, the polyester film 3 is bonded on the cured resin plate 9 through a PET double-faced adhesive tape 2, and the adhesive is organic high-temperature resistant adhesive tape which is organic high-temperature resistant adhesive tape, the PCB circuit board 1 in the utility model adopts the PCB circuit board 1 printed with silver paste circuits, so that the circuit impedance of the circuits is effectively reduced, the LED lamp beads 4 can uniformly emit light, the insulation effect of the light source module is good through two layers of polyester films 3 and one polyester layer 5, and in addition, the first heat-conducting non-metal micro-sheet 6, the second non-metal heat-conducting micro-sheet 7, the non, the luminous source module has better heat dissipation performance.

The PCB 1 in the utility model adopts the PCB 1 printed with silver paste circuit, which effectively reduces the circuit impedance of the circuit, so that the LED lamp beads 4 can emit light uniformly;

because one side of the PCB 1 is fixedly bonded with the polyester film 3 with the LED lamp beads 4 through the PET double faced adhesive tape 2, and the other side of the PCB 1 is sequentially provided with the polyester layer 5 and the polyester film 3, the insulation effect of the luminous source module is good;

in addition, heat generated on the PCB 1 is sequentially transmitted to the corresponding first nonmetal heat-conducting micro-sheets 6 through the second nonmetal heat-conducting micro-sheets 7 and the nonmetal heat-conducting claws 8, the first nonmetal heat-conducting micro-sheets 6 are all transmitted to the heat dissipation block 11 through the heat-conducting rod 10, external air enters the cured resin plate 9 through the air filtering film 13 inside the arc-shaped air vent 12 at the moment, and the heat dissipation block 11 is cooled by the air, so that the luminous source module has good heat dissipation performance.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A luminous source module for a keyboard with a printed circuit comprises a PCB (1) printed with a silver paste circuit and is characterized in that one side of the PCB (1) is provided with a PET double-sided adhesive tape (2), one side of the PCB (1) is fixedly bonded with a polyester film (3) with LED lamp beads (4) through the PET double-sided adhesive tape (2), the outer side of the other side of the PCB (1) is connected with a polyester layer (5) through glue, one side of the polyester layer (5) far away from the PCB (1) is in a lotus seedpod shape and is embedded with a plurality of first nonmetal heat-conducting micro-pieces (6), the outer side of each first nonmetal heat-conducting micro-piece (6) is annularly provided with a plurality of nonmetal heat-conducting claws (8) embedded inside the polyester layer (5), one end of each nonmetal heat-conducting claw (8) far away from the first nonmetal heat-conducting micro-piece (6) is connected with a second nonmetal heat-conducting micro-piece (7) embedded on the other, and the second nonmetal heat conduction microchip (7) is closely attached to the other side of the PCB (1), the other side of the polyester layer (5) far away from the PCB (1) is bonded with a cured resin plate (9) with the inner part arranged as a hollow structure, the inner wall of one side of the cured resin plate (9) close to the inner part of the PCB (1) is bonded with a radiating block (11) with a conical structure, one side of the radiating block (11) close to the PCB (1) is arranged as a circular structure and is connected with a heat conduction rod (10) closely attached to the first nonmetal heat conduction microchip (6), the periphery of the outer side of the cured resin plate (9) is provided with arc-shaped vent holes (12) communicated with the inner part of the cured resin plate, the inner part of the arc-shaped vent holes (12) is bonded and fixed with an air filtering film (13), one side of the cured resin plate (9) far away from the PCB, and the polyester film (3) is adhered to the solidified resin plate (9) through the PET double-sided adhesive tape (2).

2. The light source module with the printed circuit for the keyboard, according to claim 1, is characterized in that the number of the LED lamp beads (4) is plural, and the plural LED lamp beads (4) are all connected with the PCB (1) by wires and are disposed on one side of the polyester film (3) away from the PCB (1).

3. The light source module for a keyboard with a printed circuit according to claim 1, wherein the first non-metal heat-conducting micro-plate (6), the second non-metal heat-conducting micro-plate (7) and the non-metal heat-conducting claw (8) are all integrally formed by diamond material.

4. The light source module for a keyboard with printed circuit according to claim 1, wherein the cured resin plate (9) is made of a high temperature resistant material.

5. The light source module for keyboard with printed circuit board of claim 1, wherein the inner wall of the cured resin board (9) near the inner side of the PCB circuit board (1) is provided with a circular through hole adhered and fixed with the outer side of the heat conducting rod (10) by glue.

6. The light source module for a keyboard with printed circuit according to claim 1, wherein the heat sink (11) and the plurality of heat conducting rods (10) are integrally made of metal material.

7. The light source module for keyboard with printed circuit of claim 1, wherein the glue is organic high temperature resistant glue.