TWM488591U - LED heat dissipation module - Google Patents

Description

LED cooling module (1)

This creation is about an LED tube, especially for an LED cooling module that uses graphite thermal film (graphene) for heat dissipation (1).

Generally, the conventional commercially available lighting lamps basically have technical problems such as serious power consumption, short life of the light-emitting elements, and frequent manual replacement, etc. In order to overcome the above problems, the prior art discloses introducing low power consumption and high illumination brightness. The LED lamp with long service life and not easy to be damaged is used as the illumination light-emitting component of the illumination lamp.

Light Emitting Diode (LED) has been replaced by traditional light bulbs and used in various light-emitting devices due to its low energy consumption, power saving, long service life, small size and fast response, such as LED lamps. For one of them. When the LED is applied to a general lamp (ball gun lamp or recessed lamp), although the LED lamp only needs a small amount of power to emit light, the high heat generated at the same time may cause high temperature on the circuit substrate, if the circuit cannot be effectively and timely The heat dissipation of the substrate will cause the electronic components on the circuit board to be damaged or not working properly due to high heat, so that the lamp parts cannot be used normally, and the maintenance and use costs will also increase.

In view of this, the creator is trying to improve and solve the above-mentioned shortcomings, and he has devoted himself to researching and cooperating with the application of theory, and finally proposed a creation that is reasonable in design and effective in improving the above-mentioned defects.

The main purpose of this creation is to use the graphite conductive sheet to heat and dissipate the heat energy radiated from the heat dissipation base by the graphite conductive sheet plane (X, Y axis), thereby improving the overall heat conduction and heat dissipation effect.

For the purpose of the above, the present invention is an LED heat dissipation module (1), comprising: a circuit board for configuring a plurality of LED dies; a heat dissipation pedestal, the heat dissipation pedestal defining a configuration a mounting surface of the circuit board and a mounting portion facing away from the mounting surface; at least one graphite thermal conductive sheet (graphene) fixed to the mounting portion for planar heat conduction; a transparent cover The light-transmissive cover defines a receiving space for providing the heat-dissipating base and covering each of the LED dies, and a connecting seat mounted on the heat-dissipating base and covering the graphite heat-conducting sheet ( Graphene).

According to an embodiment of the present invention, the mounting portion forms a plurality of engaging grooves for fixing the graphite thermal conductive sheet (graphene).

According to an embodiment of the present invention, the graphite thermal conductive sheet (graphene) is assembled in a concentric spiral, a concentric circle or a radiation.

According to an embodiment of the present invention, the connecting base is an electrical connector or a recessed rear cover electrically connected to an external power source.

1‧‧‧ Thermal Module

10, 10c‧‧‧ circuit board

11, 11c‧‧‧LED dies

12, 12a, 12c‧‧‧ heat sink

120, 120c‧‧‧ mounting surface

122, 122a, 122b, 122c‧‧‧ Installation Department

124a‧‧‧ snap groove

13, 13a, 13b, 13c‧‧‧ graphite thermal conductive sheet (graphene)

14‧‧‧Transparent cover

15, 15a, 15c‧‧‧ connectors

1 is a perspective view of a preferred embodiment of the present invention.

2 is a perspective exploded view of the preferred embodiment of the present invention.

Fig. 3 is a schematic view showing the heat conduction state of the graphite heat conductive sheet (graphene).

Fig. 4 is a schematic perspective view showing another graphite heat conductive sheet (graphene).

Figure 5 is a three-dimensional schematic view of another graphite thermal conductive sheet (graphene).

Figure 6 is a three-dimensional schematic diagram of another graphite heat conductive sheet (graphene).

The embodiments of the present invention are described below by way of specific examples, and those skilled in the art can readily understand other advantages and effects of the present invention from the disclosure of the present disclosure.

The structure, the proportions, the sizes and the like of the drawings are only used to cope with the contents disclosed in the specification for the understanding and reading of those skilled in the art, and are not intended to limit the implementation of the present invention. Conditions, so it is not technically meaningful. Any modification of the structure, change of the proportional relationship or adjustment of the size should remain in the firm without affecting the effectiveness of the creation and the purpose that can be achieved. The technical content revealed can be covered. In the meantime, the terms “a”, “two”, “upper”, and the like, are used for convenience of description, and are not intended to limit the scope of the invention, the relative relationship may be changed or Adjustments, if there is no material change in the content of the technology, are also considered to be the scope of implementation of this creation.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , which are schematic perspective views, a perspective exploded view of the preferred embodiment, and a schematic diagram of the heat conduction state of the graphite thermal conductive sheet (graphene). In this embodiment, a graphite thermal conductive sheet (graphene) 13 is disposed on the heat dissipation base 12 in a concentric spiral manner. The heat dissipation module 1 of the present invention is mainly composed of a circuit board 10, an LED die 11, a heat dissipation base 12, and graphite heat conduction. The sheet (graphene) 13 , the transparent cover 14 and the connecting base 15 are configured, wherein the LED die 11 is disposed on the circuit board 10 , The circuit board 10 is mounted on the mounting surface 120 of the heat dissipation base 12, and the mounting portion 122 facing away from the mounting surface 120 is provided with a graphite thermal conductive sheet (graphene) 13, which is a graphite thermal conductive sheet (graphene) 13 It is arranged in a spiral manner, so that only a single piece of graphite thermal conductive sheet (graphene) 13 is required for assembly, and finally the connecting base 15 (for example, an electrical connection for supplying an external power supply with power supply) is mounted on the heat dissipation base. 12 and cover the graphite thermal conductive sheet (graphene) 13. Since the graphite thermal conductive sheet (graphene) 13 has the best conductivity in the plane (X, Y axis) (the arrow is the heat dissipation direction), it can provide better planar heat conduction, and the graphite thermal conductive sheet (graphene) in the present creation. Since the 13 series is fixed to the mounting portion 122, the above-described planar heat conduction can be performed on both sides, thereby greatly improving the overall heat conduction and heat dissipation effect.

Please refer to FIG. 4 together for a schematic view of another graphite heat conductive sheet (graphene). In this embodiment, a recessed light pattern is taken as an example, and a graphite heat conductive sheet (graphene) 13a is radially disposed on the mounting portion 122a of the heat dissipation base 12a, and then the connecting seat 15a (for example, a recessed rear cover) Mounted on the heat dissipation base 12a to cover the graphite thermal conductive sheet (graphene) 13a, it is worth mentioning that a plurality of engagement grooves 124a are formed on the mounting portion 122a, and a plurality of graphite thermal conductive sheets (graphite) are passed through the engagement grooves 124a. The olefin 13a is fixed therein, and since the engaging groove 124a is formed in a radial structure, the graphite heat conductive sheet (graphene) 13a of each sheet is also radially formed after being fixed.

In addition to the above-mentioned graphite thermal conductive sheet (graphene) assembly method, the other way is to use concentric circles as the assembly style, please refer to FIG. 5, which is a three-dimensional schematic diagram of another graphite thermal conductive sheet (graphene). Wherein a plurality of graphite heat conductive sheets (graphene) 13b are centered, and the graphite heat conductive sheet (graphene) 13b is assembled in the mounting portion 122b in a concentric manner, and the multi-layer structure is formed to make the graphite heat conductive sheet (graphite) The number of ene) 13b is increased, thereby improving the overall heat dissipation efficiency, and the fixing method of the graphite thermal conductive sheet (graphene) 13b can be fixed by adhesive bonding or by using the method of FIG.

Referring to FIG. 6 together, it is a three-dimensional schematic diagram of another graphite heat conductive sheet (graphene). The circuit board 10c has a tapered structure as a main structure, and LED crystal chips 11c are provided on the multi-sided circuit board 10c, thereby increasing the illumination range, and the heat dissipation base 12a is also made to be assembled corresponding to the circuit board 10c. a tapered structure, whereby the mounting surface 120c of the heat dissipation base 12a is attached to the circuit board 10c, and the graphite heat conductive sheet (graphene) 13c is disposed on the mounting portion 122c of the heat dissipation base 12c in a cylindrical manner. Moreover, the graphite heat conductive sheet (graphene) 13c is attached to the inner surface of the connecting seat 15c, thereby greatly improving the overall heat conduction and heat dissipation effect.

In this creation, the graphite thermal conductive sheet (graphene) 13 can be applied to any LED bulb and LED recessed lamp, and the graphite thermal conductive sheet (graphene) 13 can be assembled in various styles and, most importantly, each graphite thermal conductive sheet (graphite) The olefin 13 must be installed in the heat dissipation pedestal 12, and since the graphite heat conductive sheet (graphene) 13 is mainly in the plane (X, Y axis), the conductivity is optimal (the arrow is the heat dissipation direction), so that it is preferable. The plane heat conduction, the graphite heat conductive sheet (graphene) 13 in the present invention is fixed to the mounting portion 122, so that the above-mentioned planar heat conduction can be performed on both sides, thereby greatly improving the overall heat conduction and heat dissipation effect.

10‧‧‧ boards

11‧‧‧LED dies

12‧‧‧ Thermal base

13‧‧‧ graphite thermal conductive sheet (graphene)

14‧‧‧Transparent cover

Claims (4)

An LED heat dissipation module (1) includes: a circuit board for configuring a plurality of LED dies; a heat dissipation pedestal defining a mounting surface for arranging the circuit board and a deviation from the a surface mounting portion; at least one graphite heat conductive sheet fixed to the mounting portion for planar heat conduction; and a light transmissive cover defining a heat dissipating base and a mask An accommodating space of each of the LED dies; and a connecting base mounted on the heat dissipating pedestal and covering the graphite thermal conductive sheet. The LED heat dissipation module (1) according to claim 1, wherein the mounting portion forms a plurality of engaging grooves for fixing the graphite heat conductive sheet. The LED heat dissipation module (1) according to claim 1, wherein the graphite heat conduction sheet is assembled in a concentric spiral, a concentric circle or a radiation. The LED heat dissipation module (1) of claim 1, wherein the connection seat is an electrical connector or a recessed rear cover electrically connected to an external power supply.