CN206401355U - An antistatic LED aluminum substrate - Google Patents

Abstract

The utility model discloses a prevent aluminium base board of static LED, including metal radiating block and aluminum plate, the heat-conducting glue layer is installed on aluminum plate's top, the top of heat-conducting glue layer is provided with the insulating layer, the lower extreme of silicon layer is fixed with heat radiation fins, the conducting layer is installed to the upper end of insulating layer, the upper end of conducting layer is provided with the copper foil, the top of copper foil is provided with prevents welding the lacquer, the metal radiating block is through installing the soldering tin welded fastening in the copper foil upper end, the top of metal radiating block is through installing the solid crystal glue adhesive fastening on metal radiating block top has the LED lamp. The utility model discloses a silicon material has set up the silicon layer, still utilizes the conducting layer simultaneously, conducts static to the copper foil, the effectual static harm that has prevented, avoided the aluminium base board of LED to cause the problem of damage to emitting diode easily at the static that the during operation produced, solved the problem that the aluminium base board of LED prevents static, improved the life who installs the emitting diode on the aluminium base board of LED greatly.

Description

An antistatic LED aluminum substrate

technical field

The utility model belongs to the technical field of LED lamps, in particular to an antistatic LED aluminum substrate.

Background technique

Aluminum substrate is a metal-based copper-clad laminate with good heat dissipation function. Generally, a single-sided panel is composed of a three-layer structure, which is a circuit layer (copper foil), an insulating layer and a metal base layer. It is also designed as a double-sided panel for high-end use. , the structure is a circuit layer, an insulating layer, an aluminum base, an insulating layer, and a circuit layer. Very few applications are multilayer boards, which can be made of ordinary multilayer boards, insulating layers, and aluminum bases; LED aluminum substrates are PCBs. It is also a printed circuit board, but the material of the circuit board is aluminum alloy. In the past, the material of the general circuit board was glass fiber, but because the LED generates heat, the circuit board used in the LED lamp is generally an aluminum substrate, which can conduct heat quickly. Other equipment Or circuit boards for electrical appliances are still glass fiber boards.

However, the LED aluminum substrate currently on the market still has certain defects in the actual use of the LED lamp circuit board. There is no anti-static structure. Because the LED lamp beads are connected to the wire layer through the pins, there is a hidden danger of static electricity, which is easy to cause light-emitting diodes. The damage of the LED lamp reduces the service life of the LED lamp.

Utility model content

The purpose of this utility model is to provide an anti-static LED aluminum substrate to solve the above-mentioned background technology that no anti-static structure is provided. Since the LED lamp beads are connected to the wire layer through pins, there is a hidden danger of static electricity, which may easily cause light-emitting diodes. Damage, reducing the service life of LED lights.

In order to achieve the above purpose, the utility model provides the following technical solutions: an antistatic LED aluminum substrate, including a metal heat dissipation block and an aluminum plate, a thermally conductive adhesive layer is installed on the top of the aluminum plate, and a silicon layer is installed on the lower end of the aluminum plate. An insulating layer is arranged above the heat-conducting adhesive layer, heat dissipation fins are fixed on the lower end of the silicon layer, a conductive layer is installed on the upper end of the insulating layer, a copper foil is arranged on the upper end of the conductive layer, and the top end of the copper foil is Solder resist paint is provided, the metal heat dissipation block is fixed by soldering installed on the upper end of the copper foil, and the outside of the metal heat dissipation block is wrapped with a shell, and the top of the metal heat dissipation block is passed through the crystal bonding glue installed on the top of the metal heat dissipation block The LED light is glued and fixed, and the input pin is connected to one side of the shell, and the output pin is connected to the other side, and the input pin and the output pin are fixed by soldering and copper foil welding, and the inside of the aluminum plate is There are lead-through holes.

Preferably, the input pins, LED lights and output pins are all electrically connected to the copper foil.

Preferably, both the thermally conductive adhesive layer and the silicon layer are fixed to the aluminum plate by means of fixing adhesive.

Preferably, the insulating layer is a member made of PVC insulating material.

Preferably, the silicon layer is a member made of silicon material.

Compared with the prior art, the beneficial effect of the utility model is that the utility model adopts silicon material and sets a silicon layer, which effectively prevents the static electricity generated due to the connection between the LED lamp bead and the wire layer through pins, and at the same time The conductive layer is also used, and the conductive layer is connected with the insulating layer to conduct static electricity to the copper foil, which effectively prevents static electricity hazards, avoids the problem that the static electricity generated by the LED aluminum substrate during work is easy to cause damage to the light-emitting diodes, and solves the problem. The anti-static problem of the LED aluminum substrate greatly improves the service life of the light-emitting diodes installed on the LED aluminum substrate.

Description of drawings

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

Fig. 2 is a top view of the utility model.

In the figure: 1-input pin; 2-housing; 3-LED light; 4-crystal glue; 5-metal heat sink; 6-solder; 7-output pin; 8-insulation layer; 9-thermal adhesive 10-silicon layer; 11-radiating fins; 12-aluminum plate; 13-conductive layer; 14-copper foil; 15-solder resist paint; 16-lead hole.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 and Fig. 2, the utility model provides an antistatic LED aluminum substrate, including a metal cooling block 5 and an aluminum plate 12, the top of the aluminum plate 12 is equipped with a thermally conductive adhesive layer 9, and the lower end of the aluminum plate 12 is equipped with a silicon layer 10 , an insulating layer 8 is arranged above the thermally conductive adhesive layer 9, a heat dissipation fin 11 is fixed on the lower end of the silicon layer 10, a conductive layer 13 is installed on the upper end of the insulating layer 8, and a copper foil 14 is arranged on the upper end of the conductive layer 13, and the copper foil 14 The top of the metal heat sink 5 is provided with a solder resist paint 15, and the metal heat sink 5 is fixed by welding the solder 6 installed on the upper end of the copper foil 14, and the outside of the metal heat sink 5 is wrapped with a shell 2, and the top of the metal heat sink 5 is installed on the metal heat sink. 5. The LED lamp 3 is glued and fixed on the top of the crystal glue 4. One side of the housing 2 is connected to the input pin 1, and the other side is connected to the output pin 7. Both the input pin 1 and the output pin 7 are soldered. 6 and the copper foil 14 are welded and fixed, and the inside of the aluminum plate 12 is penetrated with a lead hole 16 .

In order to facilitate the production and use of the aluminum substrate, in this embodiment, preferably, the input pin 1 , the LED lamp 3 and the output pin 7 are all electrically connected to the copper foil 14 .

In order to securely fix the thermally conductive adhesive layer 9 and the silicon layer 10 and to facilitate operation, in this embodiment, preferably, the thermally conductive adhesive layer 9 and the silicon layer 10 are fixed to the aluminum plate 12 by means of fixing adhesive.

In order to achieve a better insulating effect and increase the service life of the aluminum substrate, in this embodiment, preferably, the insulating layer 8 is a member made of PVC insulating material.

In order to facilitate the antistatic effect of the aluminum substrate, in this embodiment, preferably, the silicon layer 10 is a component made of silicon material.

The heat dissipation fins 11 in the present utility model are classified as "passive heat dissipation elements" in the field of electronic engineering design, commonly known as heat dissipation fins, and are made of metals (mostly aluminum or Copper and silver are too expensive and generally not used) are attached to the heating surface to dissipate heat in a composite heat exchange mode.

The working principle and use process of the utility model: when the utility model is in use, the external power supply is connected, and the copper foil 14 plays a conductive role. Under the action of the input pin 1 and the output pin 7, the LED lamp 3 emits light. Since the LED lamp 3 is easy to generate static electricity through the connection between the pins and the wire layer, the utility model adopts silicon material, and the silicon layer 10 is arranged. At the same time, the conductive layer 13 is used to conduct the static electricity to the copper foil 14, effectively preventing It avoids the electrostatic hazard, avoids the problem that the static electricity generated by the LED aluminum substrate during work is easy to damage the light-emitting diodes, solves the problem of anti-static LED aluminum substrates, and greatly improves the service life of the light-emitting diodes installed on the LED aluminum substrate.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A kind of antistatic LED aluminum base plate, comprise metal cooling block (5) and aluminum plate (12), it is characterized in that: the top of described aluminum plate (12) is equipped with heat conduction adhesive layer (9), and the aluminum plate (12) A silicon layer (10) is installed at the lower end, an insulating layer (8) is arranged above the heat-conducting adhesive layer (9), and a cooling fin (11) is fixed on the lower end of the silicon layer (10), and the insulating layer ( 8) is equipped with a conductive layer (13) on the upper end, the upper end of the conductive layer (13) is provided with a copper foil (14), the top of the copper foil (14) is provided with a solder resist paint (15), the metal The heat dissipation block (5) is fixed by soldering (6) installed on the upper end of the copper foil (14), and the metal heat dissipation block (5) is wrapped with a casing (2), and one side of the casing (2) is connected to an input pin (1), the other side is connected with an output pin (7), and both the input pin (1) and the output pin (7) are welded and fixed by soldering tin (6) and copper foil (14), and the aluminum plate The inside of (12) is run through lead hole (16). 2. An antistatic LED aluminum substrate according to claim 1, characterized in that: the input pin (1), the LED lamp (3) and the output pin (7) are all electrically connected to the copper foil (14) sexual connection. 3. An antistatic LED aluminum substrate according to claim 1, characterized in that: the heat-conducting adhesive layer (9) and the silicon layer (10) are both fixed to the aluminum plate (12) by means of a fixing adhesive. 4. An antistatic LED aluminum substrate according to claim 1, characterized in that: the insulating layer (8) is a member made of PVC insulating material. 5. The antistatic LED aluminum substrate according to claim 1, characterized in that: the silicon layer (10) is a member made of silicon material.