CN111351015A - Heat dissipation device of LED lamp - Google Patents
Heat dissipation device of LED lamp Download PDFInfo
- Publication number
- CN111351015A CN111351015A CN201811561654.6A CN201811561654A CN111351015A CN 111351015 A CN111351015 A CN 111351015A CN 201811561654 A CN201811561654 A CN 201811561654A CN 111351015 A CN111351015 A CN 111351015A
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- China
- Prior art keywords
- heat dissipation
- led lamp
- dissipation device
- heat
- air
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- 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.)
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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
- F21V29/60—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
- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a heat dissipation device of an LED lamp, belonging to the field of heat dissipation devices, and the technical scheme is characterized by comprising a top cover, a heat dissipation device, a lampshade and an LED lamp, wherein the bottom of the top cover is fixedly connected with the heat dissipation device, the bottom of the heat dissipation device is fixedly connected with the lampshade, the lampshade is positioned below the top cover, the LED lamp is arranged at the central position of the bottom of the heat dissipation device, which extends into one side of the lampshade, the heat dissipation device comprises a heat dissipation shell and a fan base, the top of the heat dissipation shell is fixedly connected with the top cover, the bottom of the heat dissipation shell is fixedly connected with the lampshade, the inner wall of the heat dissipation shell is provided with a fan base, the fan base is fixedly provided with a fan, a guide device is also arranged inside the heat dissipation device and is used for guiding outside air to the heat generation end of the lamp, the heat exchange rate of, the heat dissipation effect of the heat dissipation device is improved.
Description
Technical Field
The invention relates to the field of heat dissipation devices, in particular to a heat dissipation device of an LED lamp.
Background
The LED energy-saving lamp is a high-brightness white light-emitting diode light-emitting source, has high luminous efficiency, low power consumption, long service life, easy control, no maintenance, safety and environmental protection, is suitable for long-time illumination in various public places, can generate heat after long working time of the LED lamp, is designed and installed with a heat dissipation device in the lamp, adopts a fan to rotate to introduce external air into the LED lamp, and then discharges the air which absorbs the heat emitted from the LED lamp base, thereby reducing the working temperature of the LED lamp base and further prolonging the service life of the LED lamp.
However, in the conventional heat dissipation device of the LED lamp, when the fan works, only a part of external air entering the heat dissipation device is in contact with the LED lamp base, and the rest of the air directly flows out of the heat dissipation device, so that the heat dissipation effect of the heat dissipation device is poor; when the fan inhales outside air into the LED lamp, a large amount of dust is also inhaled into the LED lamp, so that the dust is adsorbed on the base of the LED lamp, the contact area between the base of the LED lamp and the outside air is reduced, and the heat dissipation effect of the LED is further influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the heat dissipation device of the LED lamp, which accelerates the heat exchange rate of the external air and the LED lamp base, thereby reducing the temperature of the LED base, increasing the contact area between the external wall air and the LED base and improving the heat dissipation effect of the heat dissipation device.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a heat abstractor of LED lamps and lanterns, includes top cap, heat abstractor, lamp shade and LED lamp, the bottom fixedly connected with heat abstractor of top cap, heat abstractor's bottom fixedly connected with lamp shade, the lamp shade is located the below of top cap, one side is provided with the LED lamp in heat abstractor's bottom central point department stretches into the lamp shade, heat abstractor is including heat dissipation shell and fan frame, the top and the top cap fixed connection of heat dissipation shell, bottom and lamp shade fixed connection, the fan frame is installed to the inner wall of heat dissipation shell, fan frame fixed mounting has the fan, fan and LED lamp electric connection, guider is still installed to heat abstractor's inside.
Further, the guiding device is a wind scooper.
Further, the wind scooper is installed on the top end of the inner wall of the top cover and is of a semicircular structure.
Furthermore, a first air guide pad is arranged in the middle of the inner side of the outer wall of the air guide cover, and a second air guide pad is arranged at the bottom of the air guide cover.
Furthermore, a heat absorption cover is bonded on one side, close to the LED lamp, of the inner wall of the heat dissipation device, and the heat absorption cover is of a grid-shaped structure.
Furthermore, the left side of the heat dissipation shell is provided with an air outlet for exhausting air, and the right side of the heat dissipation shell is provided with an air inlet for sucking air.
Further, the left side and the right side of the top cover are both provided with joints, and the two joints are of cylindrical structures.
In conclusion, the invention has the following beneficial effects:
1. this kind of heat abstractor of LED lamps and lanterns, adsorption through first air guide pad and second air guide pad is in the inside of first air guide pad and second air guide pad with the outside air dust, and then reduces the dust quantity of LED lamp base, improves the area of contact of outside air and LED lamp base, improves heat abstractor's radiating effect.
2. According to the heat dissipation device of the LED lamp, the fan works, air entering the heat dissipation shell is guided by the air guide cover, so that the flow of external air flowing into the LED lamp base is increased, the heat exchange rate of the external air and the LED lamp base is improved, the temperature of the LED base is reduced, and the heat dissipation efficiency of the heat dissipation device of the lamp is improved.
Drawings
FIG. 1 is a schematic overall front view of the present invention;
FIG. 2 is an overall sectional structural view of the present invention;
FIG. 3 is a schematic top view of the heat dissipation device of the present invention;
fig. 4 is a schematic front view of the wind scooper of the present invention.
In the figure: 1. a top cover; 101. a joint; 2. a heat sink; 201. a heat dissipation housing; 2011. an air outlet; 2012. an air inlet; 202. a fan base; 2021. a fan; 203. a heat absorbing cover; 3. a lamp shade; 4. an LED lamp; 5. a wind scooper; 501. first air guide pad, 502, second air guide pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, a heat dissipation device of an LED lamp comprises a top cover 1, a heat dissipation device 2, a lampshade 3 and an LED lamp 4, wherein the bottom of the top cover 1 is fixedly connected with the heat dissipation device 2, the bottom of the heat dissipation device 2 is fixedly connected with the lampshade 3, the lampshade 3 is positioned below the top cover 1, one side of the bottom center position of the heat dissipation device 2 extending into the lampshade 3 is provided with the LED lamp 4, the heat dissipation device 2 comprises a heat dissipation shell 201 and a fan base 202, the top of the heat dissipation shell 201 is fixedly connected with the top cover 1, the bottom of the heat dissipation shell is fixedly connected with the lampshade 3, the inner wall of the heat dissipation shell 201 is provided with the fan base 202, the fan base 202 is fixedly provided with the fan 2021, the fan 2021 is electrically connected with the LED lamp 4, the inside of the heat dissipation device 2 is also provided with an air guide and dust prevention device for guiding outside air to the base of the LED lamp 4, when the LED lamp 4 works, the LED lamp 4 generates, the work of control fan 2021 rotates, produce pressure difference, make outside air inhale in heat abstractor 2, through the direction and the filtration of wind-guiding dust keeper, make the area of contact increase of LED lamp 4 base and outside air, when the LED lamp 4 base of being convenient for is radiating, because the air quantity that flows through LED lamp base also increases, the heat exchange rate of the heat that gives off of LED lamp 4 base and outside air has also been accelerated, thereby improve heat abstractor's radiating effect.
Example 2
Referring to fig. 2, 3 and 4, a heat dissipation device of an LED lamp is substantially the same as that in embodiment 1, further, the guiding device is an air guiding cover 5, and when the heat dissipation device 2 works, the air guiding cover 5 is adopted, so that air entering the heat dissipation device 2 is guided to enter a base of the LED lamp 4, air quantity flowing through the base of the LED lamp is increased, meanwhile, air entering the heat dissipation device 2 is filtered by the air guiding cover 5, and dust entrained by the air is prevented from being adsorbed on the base of the LED lamp 4, so that a contact area between external air and the base of the LED lamp 4 is increased.
The wind scooper 5 is installed on the top end of the inner wall of the top cover 1, the wind scooper 5 is of a semicircular structure, the contact area of external air of the wind scooper 5 is increased, resistance of the external air entering the heat dissipation shell 201 is further reduced, wind guiding efficiency of the wind scooper 5 is improved, and accordingly flow of the external air entering the heat dissipation device is increased.
The middle position of the inner side of the outer wall of the wind scooper 5 is provided with a first wind guide pad 501, the bottom of the wind scooper 5 is provided with a second wind guide pad 502, and the two layers of the first wind guide pad 501 and the second wind guide pad 502 are used for filtering, so that the dust filtering effect of the wind scooper 5 is improved, and the contact area between the base of the LED lamp 4 and outside air is increased.
One side that heat abstractor 2's inner wall is close to LED lamp 4 bonds and has heat absorption cover 203, heat absorption cover 203 is "net" column structure, the contact in-process of outside air and 4 bases of LED lamp, through being the heat absorption cover 203 of "net" column structure, the dust smugglied secretly when the outside air gets into heat absorption cover 203 can further be filtered in the radiating time of 4 bases of LED lamp of being convenient for, and then further improve the area of contact of 4 bases of LED lamp and outside air, make the radiating effect obtain the reinforcing.
Example 3
Referring to fig. 1, a heat dissipation device of an LED lamp is substantially the same as that in embodiment 1, further, an air outlet 2011 for exhausting air is formed in the left side of a heat dissipation casing 201, and an air inlet 2012 for sucking air is formed in the right side of the heat dissipation casing, when a fan 2021 works, external air enters the heat dissipation casing 201 from the right side air inlet 2012, and after exchanging heat with a base of an LED lamp 4, heated external air flows in through the left side air outlet 2011, so that the heat dissipation efficiency of the heat dissipation device is improved.
All offer joint 101 about top cap 1, two joint 101 are "cylinder" column structure, through the joint 101 that is "cylinder" column structure, the top cap 1 installation of being convenient for is dismantled.
The use method and the working principle of the heat dissipation device of the LED lamp are as follows: firstly, when the LED lamp 4 works, the LED lamp 4 generates heat and radiates a large amount of heat into the heat radiation shell 201 through the base thereof, the LED lamp 4 simultaneously supplies power to the fan 2021 with model JT-555 to control the fan 2021 to work and rotate, the fan 2021 rotates to generate pressure difference, external air is sucked into the heat radiation shell 201, by the guiding of the guiding cover 5, the external air enters the heat dissipation shell 201 to contact with the air guiding cover 5, flows along the length direction of the air guiding cover 5, passes through the first air guiding pad 501 and the second air guiding pad 502 in sequence, prevents the dust carried by the external air from entering and flowing to the base of the LED lamp 4, the contact area between the base of the LED lamp 4 and the outside air is increased, the heat dissipation of the base of the LED lamp 4 is facilitated, because the wind scooper 5 reduces the resistance of the outer wall entering the heat dissipation shell 201, the air quantity flowing through the base of the LED lamp 4 is increased, and the heat exchange rate between the heat dissipated by the base of the LED lamp 4 and the outside air is also increased.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a heat abstractor of LED lamps and lanterns, includes top cap (1), heat abstractor (2), lamp shade (3) and LED lamp (4), its characterized in that: the utility model discloses a fan, including heat abstractor (2), bottom fixedly connected with heat abstractor (2) of top cap (1), bottom fixedly connected with lamp shade (3) of heat abstractor (2), lamp shade (3) are located the below of top cap (1), one side is provided with LED lamp (4) in the bottom central point department of putting of heat abstractor (2) stretches into lamp shade (3), heat abstractor (2) are including heat dissipation shell (201) and fan seat (202), the top and top cap (1) fixed connection of heat dissipation shell (201), bottom and lamp shade (3) fixed connection, fan seat (202) are installed to the inner wall of heat dissipation shell (201), fan seat (202) fixed mounting has fan (2021), fan (2021) and LED lamp (4) electric connection, guider is still installed to the inside of heat abstractor (2).
2. The heat dissipation device of claim 1, wherein: the guiding device is an air guiding cover (5).
3. The heat dissipation device of claim 2, wherein: the wind scooper (5) is installed at the top end of the inner wall of the top cover (1), and the wind scooper (5) is of a semicircular structure.
4. The heat dissipation device of claim 2, wherein: and a first air guide pad (501) is arranged in the middle of the inner side of the outer wall of the air guide cover (5), and a second air guide pad (502) is arranged at the bottom of the air guide cover.
5. The heat dissipation device of claim 1, wherein: a heat absorption cover (203) is bonded on one side, close to the LED lamp (4), of the inner wall of the heat dissipation device (2), and the heat absorption cover (203) is of a grid-shaped structure.
6. The heat dissipation device of claim 1, wherein: an air outlet (2011) for exhausting air is formed in the left side of the heat dissipation shell (201), and an air inlet (2012) for sucking air is formed in the right side of the heat dissipation shell.
7. The heat dissipation device of claim 1, wherein: the left side and the right side of the top cover (1) are provided with joints (101), and the two joints (101) are of cylindrical structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811561654.6A CN111351015A (en) | 2018-12-20 | 2018-12-20 | Heat dissipation device of LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811561654.6A CN111351015A (en) | 2018-12-20 | 2018-12-20 | Heat dissipation device of LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111351015A true CN111351015A (en) | 2020-06-30 |
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ID=71191897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811561654.6A Pending CN111351015A (en) | 2018-12-20 | 2018-12-20 | Heat dissipation device of LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111351015A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131534A (en) * | 2007-08-17 | 2008-02-27 | 广东威创日新电子有限公司 | Heat radiating device with independent ventiduct |
| CN201636533U (en) * | 2010-03-25 | 2010-11-17 | 安徽莱德电子科技有限公司 | High-efficient cooling LED industrial and mining lamp |
| CN102086987A (en) * | 2011-03-07 | 2011-06-08 | 付洪斌 | High-power LED (light-emitting diode) lamp |
| CN205716504U (en) * | 2016-06-27 | 2016-11-23 | 张博文 | A kind of heat dissipation device of LED lamp |
| CN107676673A (en) * | 2017-09-26 | 2018-02-09 | 王政 | A kind of novel LED bulb lamp |
| CN207990234U (en) * | 2018-04-04 | 2018-10-19 | 绍兴上虞博创塑业有限公司 | A kind of LED lamp using fan auxiliary heat dissipation |
| CN208237612U (en) * | 2018-04-26 | 2018-12-14 | 赣州和晟精密电子有限公司 | A kind of high photosynthetic efficiency grid LED flat lamp |
-
2018
- 2018-12-20 CN CN201811561654.6A patent/CN111351015A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131534A (en) * | 2007-08-17 | 2008-02-27 | 广东威创日新电子有限公司 | Heat radiating device with independent ventiduct |
| CN201636533U (en) * | 2010-03-25 | 2010-11-17 | 安徽莱德电子科技有限公司 | High-efficient cooling LED industrial and mining lamp |
| CN102086987A (en) * | 2011-03-07 | 2011-06-08 | 付洪斌 | High-power LED (light-emitting diode) lamp |
| CN205716504U (en) * | 2016-06-27 | 2016-11-23 | 张博文 | A kind of heat dissipation device of LED lamp |
| CN107676673A (en) * | 2017-09-26 | 2018-02-09 | 王政 | A kind of novel LED bulb lamp |
| CN207990234U (en) * | 2018-04-04 | 2018-10-19 | 绍兴上虞博创塑业有限公司 | A kind of LED lamp using fan auxiliary heat dissipation |
| CN208237612U (en) * | 2018-04-26 | 2018-12-14 | 赣州和晟精密电子有限公司 | A kind of high photosynthetic efficiency grid LED flat lamp |
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Application publication date: 20200630 |