CN209170729U - A new type of LED circuit board - Google Patents

Abstract

The utility model discloses a novel LED circuit board, which comprises a circuit board body, the circuit board body includes aluminium base board, the top of aluminium base board is provided with the insulating layer, the top of insulating layer is provided with the conducting layer, the skin weld of circuit board body has LED electronic component, the inside of circuit board body is provided with the multiunit through-hole, the internally mounted of through-hole has the heat conduction post, the top of heat conduction post all is fixed with first heating panel, the surface of first heating panel is provided with multiunit radiating fin, and radiating fin and first heating panel mutually perpendicular. The utility model discloses a heat transfer that the heat conduction post produced this circuit board work is for first heating panel and second heating panel to disperse the heat, make heat and external area of contact increase, avoid the heat to pile up, make the radiating effect of this circuit board better, avoid this circuit board to burn out because of the high temperature, it is convenient to bring for the staff.

Description

A new type of LED circuit board

technical field

The utility model relates to the technical field of circuit boards, in particular to a novel LED circuit board.

Background technique

Circuit boards are also known as circuit boards, PCB boards, etc. The circuit board makes the circuit miniaturized and intuitive, and plays an important role in the mass production of fixed circuits and the optimization of the layout of electrical appliances. It is widely used in various electronic equipment. When the LED circuit board is installed, it will emit heat, and the heat dissipation effect of the existing circuit board is not good, which leads to the accumulation of heat, and it is easy to burn the circuit board, causing trouble to the staff. Moreover, the existing LED circuit board is installed inside the electronic instrument, and its fixing performance is not good. , When the circuit board is unstable, it is easy to cause the LED electronic components soldered on the circuit board to fall, which affects the normal operation of the LED circuit board.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a new type of LED circuit board to solve the above-mentioned problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a novel LED circuit board, comprising a circuit board body, the circuit board body comprising an aluminum substrate, an insulating layer is provided on the top of the aluminum substrate, and the insulating layer is The top is provided with a conductive layer, the surface of the circuit board body is welded with LED electronic components, the interior of the circuit board body is provided with a plurality of groups of through holes, the inside of the through holes are installed with thermally conductive pillars, and the top of the thermally conductive pillars is A first heat dissipation plate is fixed on the surface of the first heat dissipation plate, and the surface of the first heat dissipation plate is provided with a plurality of groups of heat dissipation fins, and the heat dissipation fins and the first heat dissipation plate are perpendicular to each other, and a second heat dissipation plate is fixed on the bottom of the plurality of groups of the heat conduction columns .

Preferably, both sides of the circuit board body are connected with a fixing block, a side of the bottom of the fixing block away from the circuit board body is fixed with a vertical plate, and a mounting plate is fixed on the bottom of the vertical plate, and is installed The interior of the board is provided with mounting holes, and the interior of the mounting holes is provided with threads.

Preferably, the first heat dissipation plate is located above the conductive layer, the second heat dissipation plate is located below the aluminum substrate, and the heat conduction column, the first heat dissipation plate, the heat dissipation fin and the second heat dissipation plate are all made of copper.

Preferably, the insulating layer is a solder resist paint coating layer, the conductive layer is a copper foil, and the conductive layer is distributed on the surface of the insulating layer.

Preferably, the second heat dissipation plate is located above the mounting plate.

Preferably, the gap between the through hole and the thermally conductive column is filled with thermally conductive silica gel.

Compared with the prior art, the beneficial effect of the present utility model is: the utility model transfers the heat generated by the operation of the circuit board to the first radiating plate and the second radiating plate through the heat-conducting column, so as to disperse the heat and make the heat and the The external contact area is increased to avoid heat accumulation, so that the heat dissipation effect of the circuit board is better, and the circuit board is prevented from being burned due to excessive temperature, which brings convenience to the staff. The new LED circuit board is installed to prevent it from shaking inside the electronic instrument, to prevent the LED electronic components from falling off the circuit board body, and to ensure the normal operation of the circuit board.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged view of the utility model A;

3 is a schematic diagram of the connection structure of the first heat dissipation plate and the heat dissipation fins of the present invention;

In the figure: 1. Circuit board body; 2. Aluminum substrate; 3. Insulation layer; 4. Conductive layer; 5. Through hole; 2. Cooling plate; 10. LED electronic components; 11. Fixing block; 12. Vertical plate; 13. Mounting plate; 14. Mounting hole; 15. Thread.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, an embodiment provided by the present invention: a novel LED circuit board, including a circuit board body 1, the circuit board body 1 includes an aluminum substrate 2, the top of the aluminum substrate 2 is provided with an insulating layer 3, The top of the insulating layer 3 is provided with a conductive layer 4 , the surface of the circuit board body 1 is welded with LED electronic components 10 , and the interior of the circuit board body 1 is provided with a plurality of groups of through holes 5 , and the interior of the through holes 5 are installed with thermally conductive pillars 6 , which conduct heat. A first heat dissipation plate 7 is fixed on the top of the column 6 , and a plurality of groups of heat dissipation fins 8 are arranged on the surface of the first heat dissipation plate 7 , and the heat dissipation fins 8 and the first heat dissipation plate 7 are perpendicular to each other. A second heat dissipation plate 9 is fixed, the insulating layer 3 is a coating layer of solder resist paint, the conductive layer 4 is copper foil, the conductive layer 4 is distributed on the surface of the insulating layer 3, and the protective layer of the solder resist paint smell can protect the copper wire, It can also prevent parts from being soldered to incorrect places to ensure the normal operation of the board.

In this embodiment: when the LED circuit board is working, its temperature becomes higher, and the heat conduction column 6 transfers the heat to the first heat dissipation plate 7 and the second heat dissipation plate 9, so as to disperse the heat and increase the contact between the heat and the outside world. area, so that the heat dissipation effect is better, and the LED circuit board is prevented from being burned due to excessive temperature, which effectively protects the circuit board.

Please refer to FIGS. 1 and 2 , both sides of the circuit board body 1 are connected with fixing blocks 11 , the bottom of the fixing blocks 11 is fixed with a vertical plate 12 on the side away from the circuit board body 1 , and the bottoms of the vertical plates 12 are fixed There is a mounting plate 13 , and mounting holes 14 are provided in the interior of the mounting plate 13 , and threads 15 are provided in the interior of the mounting holes 14 .

In the present invention, fixing bolts are used to pass through the installation holes 14 and cooperate with the threads 15 to install and fix the installation board 13, and then install the LED circuit board inside the corresponding electronic instrument to avoid insufficient stability of the circuit board. , to prevent the LED electronic components 10 from falling off the circuit board body 1 , which brings convenience to the staff.

Please refer to FIG. 1 , the first heat dissipation plate 7 is located above the conductive layer 4 , the second heat dissipation plate 9 is located under the aluminum substrate 2 , the heat conduction column 6 , the first heat dissipation plate 7 , the heat dissipation fins 8 and the second heat dissipation plate 9 All are made of copper material; the second heat dissipation plate 9 is located above the mounting plate 13 ; the gap between the through hole 5 and the thermal conductive column 6 is filled with thermal conductive silica gel.

In the present invention, copper has good thermal conductivity, which is convenient for heat transfer. There is a gap between the second heat dissipation plate 9 and the mounting plate 13, which is convenient for air circulation to achieve the purpose of heat dissipation. The circuit board body 1 and the heat conduction column 6 The contact surface of the heat-conducting silicone grease is coated with thermal grease, which can conduct the heat to the heat-conducting column 6 more effectively, and then transmit it to the first heat dissipation plate 7 and the second heat-dissipating plate 9 through the heat-conducting column 6, so that the heat can be dissipated into the surrounding air.

Working principle: Use bolts to pass through the mounting holes 14, and use the screws 15 to fix the mounting plate 13, and then install and fix the circuit board to avoid the separation of the LED electronic components 10 from the circuit board body 1 due to shaking, and ensure the LED circuit board. When the LED circuit board is energized and working, the current is transmitted through the wires on the conductive layer 4, so that the temperature of the circuit board body 1 rises, and the heat conduction column 6 transfers the heat of the circuit board body 1 to the first heat sink. 7 and the second heat dissipation plate 9 to disperse the heat and avoid heat accumulation in the interior of the circuit board body 1, causing the circuit board to burn, and the heat dissipation fins 8 on the surface of the first heat dissipation plate 7 increase the heat contact with the outside world It is easy to dissipate heat, and due to the arrangement of the vertical plate 12, there is a gap between the second heat dissipation plate 9 and the housing on which the LED circuit board is installed, which is convenient for air circulation and better heat dissipation effect. protection to prolong the life of this board.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. a kind of New LED circuit board, including circuit board body (1), it is characterised in that: the circuit board body (1) includes aluminum substrate (2), it is provided with insulating layer (3) at the top of the aluminum substrate (2), is provided with conductive layer (4), institute at the top of the insulating layer (3) The surface for stating circuit board body (1) is welded with LED electronic component (10), and the circuit board body (1) is internally provided with multiple groups through-hole (5), the inside of the through-hole (5) is equipped with heating column (6), and the top of the heating column (6) is all fixed with the first heat sink (7), the surface of first heat sink (7) is provided with multiple groups radiating fin (8), and radiating fin (8) and the first heat sink (7) It is mutually perpendicular to, the bottom of heating column described in multiple groups (6) is fixed with one second heat sink (9).

2. a kind of New LED circuit board according to claim 1, it is characterised in that: the two sides of the circuit board body (1) are all It is connected with fixed block (11), the bottom of the fixed block (11) is all fixed with vertical plate (12), institute far from the side of circuit board body (1) The bottom for stating vertical plate (12) is all fixed with mounting plate (13), and the inside of mounting plate (13) is all provided with mounting hole (14), and is pacified Dress hole (14) is internally provided with screw thread (15).

3. a kind of New LED circuit board according to claim 1, it is characterised in that: first heat sink (7), which is located at, leads The top of electric layer (4), second heat sink (9) are located at the lower section of aluminum substrate (2), the heating column (6), the first heat sink (7), radiating fin (8) and the second heat sink (9) are all copper material.

4. a kind of New LED circuit board according to claim 1, it is characterised in that: the insulating layer (3) is the painting of welding resistance paint Layer is smeared, the conductive layer (4) is copper foil, and the conductive layer (4) is distributed in the surface of insulating layer (3).

5. a kind of New LED circuit board according to claim 1, it is characterised in that: second heat sink (9) is located at peace The top of loading board (13).

6. a kind of New LED circuit board according to claim 1, it is characterised in that: the through-hole (5) and heating column (6) Gap location be filled with heat conductive silica gel.