LED lamp bead heat dissipation structure

Abstract

The utility model relates to the technical field of LED lamp beads, and discloses an LED lamp bead heat dissipation structure which comprises an upper supporting plate, an LED lamp bead is fixedly installed at the top of the upper supporting plate, a lower supporting plate is fixedly installed at the bottom of the upper supporting plate, pins are led out of the two sides of the LED lamp bead, a cooling and heating agent storage cavity is formed between the upper supporting plate and the lower supporting plate, and a cooling and heating agent is arranged in the cooling and heating agent storage cavity. A first heat conduction pipe and a second heat conduction pipe are arranged on the left side and the right side of the cooling and heating agent storage cavity in a communicating mode respectively and are obliquely arranged relative to the upper supporting plate, an upper inclined plate is arranged at the end, away from the cooling and heating agent storage cavity, of the first heat conduction pipe in a communicating mode, and a lower inclined plate is arranged at the end, away from the cooling and heating agent storage cavity, of the second heat conduction pipe in a communicating mode. Due to the fact that the upper inclined plate and the lower inclined plate incline upwards and downwards one by one, when the LED lamp beads are installed, the upper inclined plate and the lower inclined plate can be staggered up and down, and then installation can be conducted in a limited space.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED lamp pearl technical field, concretely is a kind of LED lamp pearl heat dissipation structure. BACKGROUND

[0002] In the use of LED lamp, the inside of LED lamp is mostly sealed structure, such as in the use in high-power, high sealing, compact structure flashlight, because its power is larger, heat is accumulated in the lamp head, causes the temperature of the environment in the lamp head to rise rapidly, after long time use, if not in time heat dissipation, it is possible to make the illumination ability of LED lamp attenuate, serious time there is also possible to cause LED lamp pearl overheating damage;

[0003] The existing Chinese patent CN221172151U discloses a kind of LED lamp pearl heat dissipation structure, the heat generated by the LED lamp pearl work is transferred to upper support plate, cooling liquid heated volume expansion in the heat-conducting liquid storage cavity shaped between upper support plate and lower support plate, support table is filled in, so that the internal pressure of heat-conducting liquid storage cavity increases, in turn into the heat dissipation pipe, into the heat dissipation section through round pipe section, variable diameter section, heat dissipation section can effectively increase the heat exchange area of cooling liquid, cooling liquid in heat dissipation pipe liquefies when cold, the cooling liquid after liquefaction backflow to heat-conducting liquid storage cavity, to reduce the temperature of upper support plate, in turn reduce the temperature of LED lamp pearl attached to the surface of upper support plate;

[0004] However, the LED lamp pearl in flashlight is mostly matrix arrangement, the gap between adjacent LED lamp pearl is limited, the above-mentioned LED lamp pearl heat dissipation structure is provided with multiple heat dissipation pipes, in order to ensure that heat dissipation pipe has enough external surface area for heat dissipation, also cannot excessively reduce the volume of heat dissipation pipe, so as to cause the installation of LED lamp pearl to be limited. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of LED lamp pearl heat dissipation structure, to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of LED lamp pearl heat dissipation structure, including upper support plate, the top of upper support plate is fixedly installed with LED lamp pearl, the bottom of upper support plate is fixedly installed with lower support plate, the two sides of LED lamp pearl lead out pin, cold and warm agent storage cavity is arranged between upper support plate and lower support plate, the left and right sides of cold and warm agent storage cavity are respectively communicated with heat pipe one and heat pipe two, heat pipe one and heat pipe two are inclined relative to upper support plate, the one end of heat pipe one away from cold and warm agent storage cavity is communicated with upper inclined plate, the one end of heat pipe two away from cold and warm agent storage cavity is communicated with lower inclined plate, the specification of upper inclined plate and lower inclined plate is same, and upper inclined plate and lower inclined plate are all made of copper plate, and upper inclined plate is higher than lower inclined plate.

[0007] Further, the heat pipe one and the heat pipe two are asymmetrically arranged, and the heat pipe one and the heat pipe two are made of copper pipes.

[0008] Further, the heat pipe one and the heat pipe two are arranged in plurality, the interval of adjacent heat pipe one is same, the interval of adjacent heat pipe two is same, and the interval is greater than the width of the upward inclined plate and the downward inclined plate.

[0009] Further, the lowest end of the upward inclined plate and the downward inclined plate is higher than the lower surface of the lower supporting plate.

[0010] Further, the top of the lower supporting plate is fixedly installed with a supporting table, the top of the supporting table is fixedly connected with the inner wall of the top of the upper supporting plate, and the supporting table is hollow.

[0011] Further, the heat pipe one and the heat pipe two are coated with sealing glue at the communication part with the upper supporting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. Because the upward inclined plate and the downward inclined plate are inclined upward and downward respectively, the upward inclined plate and the downward inclined plate can be staggered up and down when the LED lamp beads are installed, and thus the installation can be performed in limited space.

[0014] 2. The condensed agent gasified due to the temperature rise in the cold and warm agent storage cavity is introduced into the upward inclined plate and the downward inclined plate through the heat pipe one and the heat pipe two, the condensed agent is solidified due to the low temperature in the upward inclined plate and the downward inclined plate, and the heat is released, the heat is absorbed by the upward inclined plate and the downward inclined plate, the air flows through the upward inclined plate and the downward inclined plate and exchanges heat with the upward inclined plate and the downward inclined plate, and thus the temperature of the upward inclined plate and the downward inclined plate is lowered, and heat dissipation is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the utility model Figure 1 It is a structural schematic view of the bottom view;

[0017] Figure 3 It is a structural schematic view of the upper supporting plate and the lower supporting plate of the utility model;

[0018] Figure 4 It is a structural schematic view of the heat pipe two and the downward inclined plate of the utility model;

[0019] Figure 5 It is a structural schematic view when adjacent LED lamp beads are installed.

[0020] Fig. 1, the upper support plate; 2, the lower support plate; 3, LED lamp bead; 4, pin; 5, heat pipe one; 6, the upper inclined plate; 7, heat pipe two; 8, the lower inclined plate; 9, cold and warm agent storage cavity; 10, support platform. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figures 1-5 The utility model provides a technical scheme: a LED lamp bead heat dissipation structure, including upper support plate 1, the top fixed mounting of upper support plate 1 has LED lamp bead 3, the bottom fixed mounting of upper support plate 1 has lower support plate 2, and the both sides of LED lamp bead 3 lead out pin 4, and upper support plate 1, lower support plate 2 are provided with cold and warm agent storage cavity 9 (the inside of cold and warm agent storage cavity 9 is low pressure environment, and cold and warm agent storage cavity 9 is provided with one inch upper inclined plate 6 as condensing agent), and the left and right sides of cold and warm agent storage cavity 9 are provided with heat pipe one 5, heat pipe two 7 respectively, and heat pipe one 5, heat pipe two 7 are inclined to be provided relative to upper support plate 1, and the end of heat pipe one 5 far from cold and warm agent storage cavity 9 is provided with upper inclined plate 6, and the end of heat pipe two 7 far from cold and warm agent storage cavity 9 is provided with lower inclined plate 8, and the specification of upper inclined plate 6, lower inclined plate 8 is identical, and upper inclined plate 6, lower inclined plate 8 are all made of copper plate, and upper inclined plate 6 is higher than lower inclined plate 8, and the condensing agent in cold and warm agent storage cavity 9 is guided into upper inclined plate 6, lower inclined plate 8 by heat pipe one 5, heat pipe two 7 because of the temperature rise, because the temperature in upper inclined plate 6, lower inclined plate 8 is lower, leading the condensation of the gasification condensing agent, and the heat is released, and this part of heat is absorbed by upper inclined plate 6, lower inclined plate 8, and air flows through upper inclined plate 6, lower inclined plate 8 and exchanges heat with upper inclined plate 6, lower inclined plate 8, and then the temperature of upper inclined plate 6, lower inclined plate 8 drops, and heat dissipation is realized, because upper inclined plate 6, lower inclined plate 8 are one upper and one lower, so when installing LED lamp bead 3, upper inclined plate 6, lower inclined plate 8 can be staggered up and down, and then can be installed in limited space;

[0023] Heat pipe one 5, heat pipe two 7 are asymmetrically arranged, and heat pipe one 5, heat pipe two 7 are all made of copper pipe, because heat pipe one 5, heat pipe two 7 are asymmetrically arranged, making upper inclined plate 6, lower inclined plate 8 asymmetrically arranged, when installing multiple LED lamp beads 3, even the upper inclined plate 6, lower inclined plate 8 closest can be staggered front and back, and then ensure that upper inclined plate 6, lower inclined plate 8 can contact with enough normal temperature air;

[0024] The heat conduction pipe one 5 and the heat conduction pipe two 7 are provided with multiple, the interval of adjacent heat conduction pipe one 5 is same, the interval of adjacent heat conduction pipe two 7 is same, and the interval is greater than the width of the upward inclined plate 6 and the downward inclined plate 8, for setting multiple upward inclined plate 6 and downward inclined plate 8, improve the heat dissipation efficiency, and the interval is greater than the width of the upward inclined plate 6 and the downward inclined plate 8, which can also avoid the problem that the upward inclined plate 6 and the downward inclined plate 8 are too dense to cause the normal temperature air to flow quickly;

[0025] The lowest end of the upward inclined plate 6 and the downward inclined plate 8 is higher than the lower surface of the lower support plate 2, so as to avoid that the upward inclined plate 6 and the downward inclined plate 8 hinder the installation of the lower support plate 2 in the flashlight;

[0026] The top of the lower support plate 2 is fixedly installed with a support table 10, the top of the support table 10 is fixedly connected with the inner wall of the top of the upper support plate 1, and the support table 10 is hollow, so that the upper support plate 1 is supported by the support table 10, and the upper support plate 1 can also be prevented from being deformed by external air pressure in the low-pressure environment in the cold and warm agent storage cavity 9;

[0027] The communication part between the heat conduction pipe one 5 and the heat conduction pipe two 7 and the upper support plate 1 is coated with sealing glue, so as to ensure the sealing property when the heat conduction pipe one 5 and the heat conduction pipe two 7 are connected with the cold and warm agent storage cavity 9.

[0028] Working principle: when in use, during the installation of the plurality of LED lamp beads 3, all the LED lamp beads 3 can be installed in the same direction, and at this time, the adjacent downward inclined plate 8 is located below the upward inclined plate 6 and does not hinder the installation, after the LED lamp beads 3 work and generate heat, the heat is transmitted from the upper support plate 1 to the condensing agent in the cold and warm agent storage cavity 9, the condensing agent absorbs heat and vaporizes, and then flows to the upward inclined plate 6 and the downward inclined plate 8 along the heat conduction pipe one 5 and the heat conduction pipe two 7, the temperature of the upward inclined plate 6 and the downward inclined plate 8 is low, so that the vaporized condensing agent is liquefied again and then releases heat, and the heat is absorbed by the upward inclined plate 6 and the downward inclined plate 8, when the air flows through the upward inclined plate 6 and the downward inclined plate 8, heat exchange is carried out between the air and the upward inclined plate 6 and the downward inclined plate 8, so that the temperature of the upward inclined plate 6 and the downward inclined plate 8 is lowered, and heat dissipation is realized.

[0029] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection range of the utility model.

Claims

1. A heat dissipation structure for LED beads, comprising an upper support plate (1), wherein an LED bead (3) is fixedly mounted on the top of the upper support plate (1), and a lower support plate (2) is fixedly mounted on the bottom of the upper support plate (1), wherein pins (4) extend from both sides of the LED bead (3), characterized in that: A cooling and heating agent storage cavity (9) is provided between the upper support plate (1) and the lower support plate (2). A heat-conducting pipe 1 (5) and a heat-conducting pipe 2 (7) are respectively connected to the left and right sides of the cooling and heating agent storage cavity (9). The heat-conducting pipe 1 (5) and the heat-conducting pipe 2 (7) are inclined relative to the upper support plate (1). An upper inclined plate (6) is connected to the end of the heat-conducting pipe 1 (5) away from the cooling and heating agent storage cavity (9). A lower inclined plate (8) is connected to the end of the heat-conducting pipe 2 (7) away from the cooling and heating agent storage cavity (9). The upper inclined plate (6) and the lower inclined plate (8) are of the same specifications and are both made of copper plates. The upper inclined plate (6) is higher than the lower inclined plate (8).

2. The LED lamp bead heat dissipation structure according to claim 1, characterized in that: The heat pipe one (5) and heat pipe two (7) are asymmetrically arranged, and both heat pipe one (5) and heat pipe two (7) are made of copper pipe.

3. The LED lamp bead heat dissipation structure according to claim 1, characterized in that: Multiple heat pipes are provided for each heat pipe one (5) and heat pipe two (7). The spacing between adjacent heat pipe one (5) is the same, and the spacing between adjacent heat pipe two (7) is the same. The spacing is greater than the width of the upper inclined plate (6) and the lower inclined plate (8).

4. The LED lamp bead heat dissipation structure according to claim 1, characterized in that: The bottom of the upper inclined plate (6) and the lower inclined plate (8) are higher than the lower surface of the lower support plate (2).

5. The LED lamp bead heat dissipation structure according to claim 1, characterized in that: A support platform (10) is fixedly installed on the top of the lower support plate (2). The top of the support platform (10) is fixedly connected to the inner wall of the top of the upper support plate (1). The support platform (10) is hollow inside.

6. The LED lamp bead heat dissipation structure according to claim 1, characterized in that: The heat pipe 1 (5) and heat pipe 2 (7) are coated with sealant at the connection points with the upper support plate (1).

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