CN113566182A - Bottom surface heat radiation structure of LED lighting device - Google Patents
Bottom surface heat radiation structure of LED lighting device Download PDFInfo
- Publication number
- CN113566182A CN113566182A CN202010355000.9A CN202010355000A CN113566182A CN 113566182 A CN113566182 A CN 113566182A CN 202010355000 A CN202010355000 A CN 202010355000A CN 113566182 A CN113566182 A CN 113566182A
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- CN
- China
- Prior art keywords
- shielding body
- air hole
- lighting device
- shielding
- hard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005855 radiation Effects 0.000 title claims description 3
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 4
- 230000000694 effects Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
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.
Description
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.
Claims (6)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010355000.9A CN113566182A (en) | 2020-04-29 | 2020-04-29 | Bottom surface heat radiation structure of LED lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010355000.9A CN113566182A (en) | 2020-04-29 | 2020-04-29 | Bottom surface heat radiation structure of LED lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113566182A true CN113566182A (en) | 2021-10-29 |
Family
ID=78158430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010355000.9A Pending CN113566182A (en) | 2020-04-29 | 2020-04-29 | Bottom surface heat radiation structure of LED lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113566182A (en) |
-
2020
- 2020-04-29 CN CN202010355000.9A patent/CN113566182A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20211029 |
|
| WD01 | Invention patent application deemed withdrawn after publication |