阅读说明：本技术 一种led照明装置的底面散热结构 (Bottom surface heat radiation structure of LED lighting device ) 是由 梅燕 于 2020-04-29 设计创作，主要内容包括：本发明涉及LED照明装置的底面散热结构,包括底部遮挡体和侧面遮挡体,底部遮挡体和侧部遮挡体围成槽状结构,侧部遮挡体靠近底部遮挡体的位置设置有第一透气孔,第一透气孔的上方设置有中部遮挡体；中部遮挡体上设置有第二透气孔,底部遮挡体上设置有第三透气孔；底部遮挡体和中部遮挡体之间设置有硬质挡片,硬质挡片能够向上滑动遮挡住第二透气孔,向下滑动遮挡住第三透气孔。该结构,热量使空气膨胀对硬质遮挡片有推力作用,且受重力作用,硬质遮挡片覆盖住第三透气孔,热量经过第一透气孔和地热透气孔热交换；当有大量水汽向上移动时,水汽顶起硬质遮挡片遮挡住第二透气孔,水汽经过第三透气孔和第一透气孔流动。这样达到防水和散热的要求。(The invention relates to a bottom surface heat dissipation structure of an LED lighting device, which comprises a bottom shielding body and a side shielding body, wherein the bottom shielding body and the side shielding body enclose a groove-shaped structure; the middle shielding body is provided with a second air hole, and the bottom shielding body is provided with a third air hole; a hard blocking piece is arranged between the bottom blocking body and the middle blocking body, the hard blocking piece can slide upwards to block the second air hole, and can slide downwards to block the third air hole. In the structure, the heat makes the air expand to have a thrust effect on the hard shielding piece, and under the action of gravity, the hard shielding piece covers the third air hole, and the heat exchanges heat with the geothermal air hole through the first air hole; when a large amount of water vapor moves upwards, the water vapor jacks up the hard shielding piece to shield the second air hole, and the water vapor flows through the third air hole and the first air hole. Thus, the requirements of water resistance and heat dissipation are met.)

1. The utility model provides a bottom surface heat radiation structure of LED lighting device, includes bottom shielding body (11) and side shielding body (12), the bottom shielding body with the side shielding body encloses into a slot-like structure, its characterized in that:

a first air hole (13) is formed in the position, close to the bottom shielding body, of the side shielding body, and a middle shielding body (14) is arranged above the first air hole;

the middle shielding body is provided with a second air hole (15), and the bottom shielding body is provided with a third air hole (16);

the bottom shield body with be provided with stereoplasm separation blade (17) between the middle part shield body, the stereoplasm separation blade can upwards slide and shelter from the second bleeder vent, and can slide downwards and shelter from the third bleeder vent.

2. The bottom surface heat dissipation structure of the LED lighting device as recited in claim 1, wherein the bottom shield, the middle shield and the hard shield are arc-shaped with an upward opening;

the second air holes comprise a plurality of air holes and are positioned at the bottom of the middle shielding body;

the third air holes comprise a plurality of air holes and are positioned at the bottom of the bottom shielding body.

3. The bottom heat dissipation structure of the LED lighting device as claimed in claim 1, wherein the side shield and the bottom shield form a housing of the lighting device, and are located at a bottom of the housing of the lighting device.

4. The bottom heat dissipation structure of the LED lighting device as claimed in claim 1, wherein the hard shielding plate and the side shielding body are slidably connected, and an elastic structure is disposed at the connection position.

5. The bottom heat dissipation structure of the LED lighting device as claimed in claim 4, wherein the elastic structure is a rubber body, and the rubber body and the hard shielding sheet are integrally disposed.

6. The bottom surface heat dissipation structure of an LED lighting device according to claim 1, wherein a surface of the hard mask sheet is coated with a rubber layer.

Technical Field

The invention relates to the technical field of illumination, in particular to a bottom surface heat dissipation structure of an LED illumination device.

Background

The LED lamp is a common lighting lamp for people, and is favored by people due to the advantages of good illumination, energy conservation, long service life and the like, so that the application of the LED lamp is all over the whole lighting field, the development prospect is wide, the defect is that the requirement of the LED lamp on heat dissipation is high, once the heat dissipation is not good, the burning of a lamp bead is easily caused, the expansion space of the LED lamp is influenced, and particularly, the LED lamp is used in some environments with high humidity, such as a bathroom, the problem is solved, and people are constantly researching.

Disclosure of Invention

The invention aims to provide a bottom surface heat dissipation structure of an LED lighting device, and solves the problems.

The technical scheme of the invention is as follows: a bottom surface heat dissipation structure of an LED lighting device comprises a bottom shielding body and a side shielding body, wherein the bottom shielding body and the side shielding body form a groove-shaped structure in a surrounding mode, a first air hole is formed in the position, close to the bottom shielding body, of the side shielding body, and a middle shielding body is arranged above the first air hole; the middle shielding body is provided with a second air hole, and the bottom shielding body is provided with a third air hole; the bottom shelter from the body with be provided with the stereoplasm separation blade between the middle part shelter from the body, the stereoplasm separation blade can upwards slide and shelter from the second bleeder vent, and can slide downwards and shelter from the third bleeder vent.

When the bottom heat dissipation structure of the LED lighting device is used, the side shielding body and the bottom shielding body are used for forming a shell of the lighting device and are positioned at the bottom of the shell of the lighting device, the LED lamp is arranged in the shell of the lighting device, under the general condition, the heat generated by the heating of the LED lamp enables the air expansion of the shell to have certain thrust action on the hard shielding piece, and under the action of gravity, the hard shielding piece is in contact with the bottom shielding body to cover the third air hole, and the heat generated by the heating of the LED lamp is subjected to heat exchange through the first air hole and the geothermal air hole; when a large amount of water vapor moves upwards, the water vapor jacks up the hard shielding piece to enable the hard shielding piece to be attached to the middle shielding piece to shield the second air hole, and the water vapor flows through the third air hole and the first air hole. Thus, the requirements of water resistance and heat dissipation are met.

Preferably, the bottom shielding body, the middle shielding body and the hard shielding sheet are in the shape of an arc with an upward opening; the second air holes comprise a plurality of air holes and are positioned at the bottom of the middle shielding body; the third air holes comprise a plurality of air holes and are positioned at the bottom of the bottom shielding body. The structure enables the air permeable position to be far away from the side surface shielding body, and is more beneficial to shielding the second air vent and the third air vent by the shielding plate.

In order to improve the sealing performance of the hard shielding plate and the side shielding body, the side shielding body and the bottom shielding body are used for forming a shell of the lighting device and are positioned at the bottom of the shell of the lighting device.

Furthermore, the hard shielding plate is connected with the side shielding body in a sliding mode, and an elastic structure is arranged at the connecting position.

Further, the elastic structure is a rubber body, and the rubber body and the hard shielding piece are integrally arranged.

In order to improve the sealing performance of the hard shielding plate and the side shielding body, the surface of the hard shielding sheet is coated with a rubber layer.

Drawings

Fig. 1 is a schematic structural diagram of a bottom surface heat dissipation structure of an LED lighting device in an embodiment of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1, the invention provides a bottom heat dissipation structure of an LED lighting device, which includes a bottom shielding body 11 and a side shielding body 12, wherein the bottom shielding body and the side shielding body form a groove-shaped structure, a first air vent 13 is disposed at a position of the side shielding body close to the bottom shielding body, and a middle shielding body 14 is disposed above the first air vent; the middle shielding body is provided with a second air hole 15, and the bottom shielding body is provided with a third air hole 16; the bottom shield body with be provided with stereoplasm separation blade 17 between the middle part shield body, the stereoplasm separation blade can upwards slide and shelter from the second bleeder vent, and can slide downwards and shelter from the third bleeder vent.

When the bottom heat dissipation structure of the LED lighting device is used, the side shielding body and the bottom shielding body are used for forming a shell of the lighting device and are positioned at the bottom of the shell of the lighting device, the LED lamp is arranged in the shell of the lighting device, under the general condition, the heat generated by the heating of the LED lamp enables the air expansion of the shell to have certain thrust action on the hard shielding piece, and under the action of gravity, the hard shielding piece is in contact with the bottom shielding body and covers the third air hole, and the heat generated by the heating of the LED lamp is subjected to heat exchange through the first air hole and the geothermal air hole; when a large amount of water vapor moves upwards, the water vapor jacks up the hard shielding piece to enable the hard shielding piece to be attached to the middle shielding piece to shield the second air hole, and the water vapor flows through the third air hole and the first air hole. Thus, the requirements of water resistance and heat dissipation are met.

As a preferred embodiment, the bottom baffle, the middle baffle and the hard baffle are in the shape of an arc with an upward opening; the second air holes comprise a plurality of air holes and are positioned at the bottom of the middle shielding body; the third air holes comprise a plurality of air holes and are formed in the bottom of the bottom shielding body, the air-permeable position is far away from the side shielding body through the structure, and the shielding plate can be used for shielding the second air holes and the third air holes more favorably.

In order to improve the sealing performance of the hard shielding plate and the side shielding body, the hard shielding plate and the side shielding body are in sliding connection, and an elastic structure is arranged at the connection position, wherein the elastic structure is preferably a rubber body, and the rubber body and the hard shielding piece are integrally arranged. As a modification, the surface of the hard mask sheet is coated with a rubber layer.

It should be noted that the above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, and such changes and modifications should be covered by the protection scope of the invention.