CN110131691B - Heat dissipation assembly for L ED lighting lamp - Google Patents
Heat dissipation assembly for L ED lighting lamp Download PDFInfo
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- CN110131691B CN110131691B CN201910508257.0A CN201910508257A CN110131691B CN 110131691 B CN110131691 B CN 110131691B CN 201910508257 A CN201910508257 A CN 201910508257A CN 110131691 B CN110131691 B CN 110131691B
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- heat dissipation
- shell
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- heat
- central tube
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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
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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
- F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
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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
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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
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
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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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the field of L ED lamps, and particularly discloses a radiating assembly for a L ED lighting lamp, which comprises a shell with a cylindrical structure, wherein a plurality of heat conducting blocks which penetrate through the shell from top to bottom are uniformly distributed at the bottom of the shell, a plurality of side radiating holes are uniformly formed in the side wall of the shell, two radiating plates with semicircular plate structures are arranged at the top of the shell, an expansion air bag which is filled in a central cylinder is arranged in the central cylinder, and a sealing groove and a sealing strip which are matched with each other are arranged on the two radiating plates.
Description
Technical Field
The invention relates to the field of L ED lighting lamps, in particular to a heat dissipation assembly for a L ED lighting lamp.
Background
led lighting fixtures are a general term for L ED lighting fixtures, which refer to fixtures capable of transmitting light, distributing and changing light distribution of L ED light sources, including all parts and components required for fixing and protecting L ED light sources except L ED light sources, and circuit accessories necessary for connecting with a power supply, with further maturity of L ED technology, L ED will make more and better developments in the field of design and development of household lighting fixtures, and a heat dissipation component is an important component of L ED lighting lamps.
An improved L ED lighting lamp disclosed in chinese patent (publication No. CN 208519524U) has a heat sink disposed therein, and the L ED lamp is cooled by the heat sink, and the heat sink has a cylindrical structure, and is used for heat dissipation by heat conduction, so that the heat dissipation effect is poor.
Disclosure of Invention
The present invention is directed to a heat sink assembly for an L ED lighting fixture to solve the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a heat dissipation assembly for L ED lighting lamps comprises a shell of a cylindrical structure, wherein a plurality of heat conduction blocks penetrating through the top and the bottom are uniformly distributed on the bottom of the shell, the heat conduction blocks extend into a L ED lighting lamp and send heat into the shell, the bottom of the shell is fixedly mounted on a L ED lighting lamp through screws and absorb heat and dissipate heat through the heat conduction blocks, meanwhile, the heat dissipation assembly can prevent dust from falling into the L ED lighting lamp and keep the interior of the lamp to run safely, the service life of the lamp is prolonged, a plurality of side heat dissipation holes are uniformly formed in the side wall of the shell and send out hot air inside the shell to keep the air in the shell to flow and dissipate heat, two heat dissipation plates of a semicircular plate-shaped structure are arranged on the top of the shell, the two heat dissipation plates are horizontally aligned to form a circle with the same size as the inner wall of the shell, the top of the shell is covered with the top of the shell to prevent dust from entering the shell, the heat dissipation plates are arranged on the shell through a rotating shaft which is rotatably mounted on the shell, so that the heat dissipation plates rotate around the rotating shaft, the top of the shell can be opened outwards, a central cylinder is fixedly mounted on the heat dissipation plate, a sealing groove filled with a sealing strip which is filled in the central cylinder, the sealing strip is used for sealing the air bag, the sealing strip is expanded to enable the heat dissipation plate to expand, and the sealing strip to enable the sealing strip to be conveniently used for enabling the air bag.
Further: the heat conducting block is made of copper.
Further: the upper end of the central cylinder is flush with the upper end of the shell, the free ends of the two heat dissipation plates are erected at the top of the central cylinder, and the two heat dissipation plates are kept in the horizontal direction when being arranged on the central cylinder, so that the two heat dissipation plates are on the same horizontal plane.
Further: the sealing strips on the heat dissipation plates on the left side and the right side are arranged in a left-right alternating mode, and the distance between every two adjacent sealing strips is equal.
Further: under the room temperature environment, the top end of the inflatable air bag is flush with the top end of the central cylinder.
Further: the movable lifting plates with the arc-shaped plate structures are coaxially arranged on two sides of the inner wall of the central cylinder, the movable lifting plates are attached to the inner wall of the central cylinder, the side walls of the expansion air bags are fixedly connected to the movable lifting plates through connecting buckles, the movable lifting plates on two sides are driven to move upwards when the expansion air bags expand and expand, the free ends of the heat dissipation plates continue to jack up the free ends of the heat dissipation plates upwards through the movable lifting plates on two sides after being separated from the expansion air bags, the opening area of the heat dissipation plates is increased, and the heat dissipation area is further increased.
Further: the inner wall of the central cylinder is provided with a longitudinal sliding groove, the movable lifting plate is provided with a sliding block matched with the sliding groove, and the sliding block is positioned in the sliding groove to ensure that the movable lifting plate moves in the longitudinal direction.
Compared with the prior art, the heat dissipation assembly has the advantages that when the heat dissipation assembly is used for a short time or the internal temperature is low, heat is conducted through the heat conduction block, the heat inside the heat dissipation assembly is sent out through the side heat dissipation holes, the heat is taken away through air, the top of the shell is sealed on the heat dissipation plate at the moment, the heat dissipation assembly can prevent dust from entering, the dust is prevented from contacting with an L ED illuminating lamp, the resistance of an internal element is reduced, the service life of the L ED illuminating lamp is prolonged, when a lamp is used for a long time or the internal temperature is too high, the internal expansion air bag is expanded, the free end of the heat dissipation plate at the bottom is jacked upwards to incline, so that the sealing strip is separated from the sealing groove, the exposed sealing groove dissipates heat to the inside, the internal hot air rapidly flows out, the heat dissipation is accelerated, the expansion degree of the expansion air.
Drawings
Fig. 1 is a schematic perspective view of a heat dissipation assembly for an L ED lighting fixture.
Fig. 2 is a cross-sectional view of a heat sink assembly for an L ED lighting fixture.
Fig. 3 is a schematic structural diagram of a housing in a heat dissipation assembly for an L ED lighting fixture.
In the figure: 1-shell, 2-heat dissipation plate, 3-rotating shaft, 4-side heat dissipation hole, 5-heat conduction block, 6-central cylinder, 7-movable lifting plate, 8-inflatable air bag, 9-sliding groove, 10-connecting buckle, 11-sealing groove and 12-sealing strip.
Detailed Description
Example 1
Referring to the drawings, in the embodiment of the invention, a heat dissipation assembly for an L ED lighting lamp comprises a shell 1 with a cylindrical structure, wherein a plurality of heat conduction blocks 5 which penetrate through the shell up and down are uniformly distributed on the bottom of the shell 1, the heat conduction blocks 5 are made of copper, the heat conduction blocks 5 extend into a L ED lighting lamp and send heat into the shell 1, the bottom of the shell 1 is fixedly mounted on the L ED lighting lamp through screws, heat is absorbed and dissipated through the heat conduction blocks 5, meanwhile, the heat dissipation assembly can prevent dust from falling into the L ED lighting lamp, the safe operation inside the lamp is kept, the service life of the lamp is prolonged, a plurality of side heat dissipation holes 4 are uniformly formed in the side wall of the shell 1, hot air inside the lamp is sent out, and air flow in the shell 1 is kept for heat dissipation.
The top of the shell 1 is provided with two heat dissipation plates 2 with semicircular plate structures, the two heat dissipation plates 2 are horizontally aligned to form a circle with the same size as the inner wall of the shell 1, the top of the shell 1 is covered to prevent dust from entering the shell 1, the heat dissipation plates 2 are arranged on the shell 1 through rotating shafts 3 which are rotatably arranged on the shell 1, the heat dissipation plates 2 rotate around the rotating shafts 3, and the top of the shell 1 can be opened outwards; a central cylinder 6 which is coaxial with the shell 1 and has a cylindrical structure is fixedly arranged at the central position in the shell 1, the upper end of the central cylinder 6 is flush with the upper end of the shell 1, the free ends of the two heat dissipation plates 2 are erected at the top of the central cylinder 6, and the two heat dissipation plates 2 are kept in the horizontal direction when being arranged on the central cylinder 6, so that the two heat dissipation plates 2 are on the same horizontal plane; an expansion airbag 8 filled in the central cylinder 6 is installed in the central cylinder 6, the top end of the expansion airbag 8 is flush with the top end of the central cylinder 6 in a room temperature (20-25 ℃) environment, and after gas in the expansion airbag 8 is heated and expanded, the expansion airbag 8 is jacked upwards to jack the free end of the heat dissipation plate 2 which is visited upwards, so that the two heat dissipation plates 2 are opened, and heat dissipation in the shell 1 is facilitated.
The two heat dissipation plates 2 are provided with the sealing grooves 11 and the sealing strips 12 which are matched with each other, the two heat dissipation plates 2 are sealed by the sealing strips 12 positioned in the sealing grooves 11, dust is prevented from entering the inside, and when the sealing grooves 11 are separated from the sealing strips 12, the openings of the two heat dissipation plates 2 are enlarged, so that heat dissipation is realized; specifically, the seal grooves 11 and the seal strips 12 are distributed, the seal strips 12 on the heat dissipation plates 2 on the left and right sides are alternately arranged left and right, and the distances between two adjacent seal strips 12 are equal.
Like this, radiator unit is installing behind the top of L ED light, heat conduction piece 5 stretches into in the lamp shade of L ED light, derive the heat that inside produced, send into in the casing 1, dispel the heat through the air that flows in the casing 1, the subassembly is located L ED light this moment, can stop to use for a long time to fall into the dust on the L ED light and influence the heat dissipation, get into the dust in the L ED light, it is inside more heat that gathers to use for a long time when L ED light, inside temperature risees, make the air inflation in the inflation gasbag 8, utilize inflation gasbag 8 with two 2 free ends of heating panel of upper end jack-up, mutual sealed seal groove 11 and sealing strip 12 separation after the jack-up, seal groove 11 spills, make the radiating area increase in top of casing 1, improve inside air flow, according to temperature self-adaptive control heat dissipation, the temperature is higher, inflation gasbag 8 is bigger, the degree that seal groove 11 and sealing strip 12 break away from is bigger, the area that seal groove 11 spills is also bigger, thereby the.
Example 2
On the basis of embodiment 1, the movable lifting plates 7 with the arc-shaped plate structure are coaxially arranged on two sides of the inner wall of the central cylinder 6, the movable lifting plates 7 are attached to the inner wall of the central cylinder 6, the inner wall of the central cylinder 6 is provided with a longitudinal sliding groove 9, the movable lifting plates 7 are provided with sliding blocks matched with the sliding groove 9, the sliding blocks are located in the sliding grooves 9, it is ensured that the movable lifting plates 7 move longitudinally, the side walls of the expansion air bags 8 are fixedly connected to the movable lifting plates 7 through connecting buckles 10, the movable lifting plates 7 on two sides are driven to move upwards when the expansion air bags 8 expand and expand, the free ends of the heat dissipation plates 2 are continuously jacked upwards through the movable lifting plates 7 on two sides after the free ends of the heat dissipation plates 2 are separated from the expansion air bags 8, the opening area of the heat dissipation plates 2 is increased, and.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A heat dissipation assembly for L ED lighting fixtures comprises a shell (1) of a cylindrical structure, wherein a plurality of heat conduction blocks (5) penetrating up and down are uniformly distributed at the bottom of the shell (1), and a plurality of side heat dissipation holes (4) are uniformly formed in the side wall of the shell (1), and is characterized in that two heat dissipation plates (2) of a semicircular plate-shaped structure are arranged on the top of the shell (1), the heat dissipation plates (2) are arranged on the shell (1) through rotating shafts (3) rotatably arranged on the shell (1), a central cylinder (6) of a cylindrical structure coaxial with the shell (1) is fixedly arranged at the central position in the shell (1), an expansion air bag (8) filled in the central cylinder (6) is arranged in the central cylinder (6), the two heat dissipation plates (2) are provided with a heat dissipation plate (11) and a sealing strip (12) which are matched with each other, the two heat dissipation plates (2) are positioned in the sealing groove (11) through the sealing strip (12) to seal the two heat dissipation plates (2), and when the sealing strip (11) is separated from the sealing strip (.
2. The heat sink assembly of claim 1, wherein the heat conducting block (5) is made of copper.
3. A heat sink assembly for L ED lighting fixture according to claim 1, wherein the upper end of the central tube (6) is flush with the upper end of the housing (1), the free ends of the two heat dissipating plates (2) are erected on the top of the central tube (6), and the two heat dissipating plates (2) are held horizontally when they are on the central tube (6) so that the two heat dissipating plates (2) are on the same horizontal plane.
4. A heat sink assembly for L ED lighting fixture according to claim 3, wherein the sealing strips (12) on the left and right heat sink plates (2) are alternately arranged left and right, and the distance between two adjacent sealing strips (12) is equal.
5. A heat sink assembly for an L ED lighting fixture according to claim 4, wherein the top end of the inflatable air bag (8) is flush with the top end of the central tube (6) in a room temperature environment.
6. A heat dissipation assembly for a L ED lighting fixture as claimed in any one of claims 1-5, wherein the movable lifting plates (7) with an arc-shaped plate structure are coaxially disposed on both sides of the inner wall of the central tube (6), the movable lifting plates (7) are attached to the inner wall of the central tube (6), the side walls of the inflatable air bags (8) are fixedly connected to the movable lifting plates (7) through the connecting fasteners (10), and the movable lifting plates (7) on both sides are driven to move upwards when the inflatable air bags (8) are inflated and deployed upwards.
7. The heat dissipation assembly for L ED lighting lamps according to claim 6, wherein the inner wall of the central tube (6) is provided with a longitudinal sliding groove (9), the movable lifting plate (7) is provided with a sliding block engaged with the sliding groove (9), and the sliding block is located in the sliding groove (9).
Priority Applications (1)
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CN201910508257.0A CN110131691B (en) | 2019-06-13 | 2019-06-13 | Heat dissipation assembly for L ED lighting lamp |
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CN201910508257.0A CN110131691B (en) | 2019-06-13 | 2019-06-13 | Heat dissipation assembly for L ED lighting lamp |
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CN110131691A CN110131691A (en) | 2019-08-16 |
CN110131691B true CN110131691B (en) | 2020-07-28 |
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CN113375113A (en) * | 2021-06-18 | 2021-09-10 | 扬州尚源智能交通科技有限公司 | Solar street lamp with excellent heat dissipation performance |
CN113864682B (en) * | 2021-09-28 | 2023-11-28 | 广东欣桐科技股份有限公司 | Sealing structure for displaying connection gap of lamp panel assembly |
Family Cites Families (7)
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CN102072477A (en) * | 2009-11-20 | 2011-05-25 | 方炜 | Street lamp shell |
US7955086B1 (en) * | 2010-07-06 | 2011-06-07 | Hon Hai Precision Ind. Co., Ltd. | Socket connector with vented pick up cap thereon |
CN202266842U (en) * | 2011-04-28 | 2012-06-06 | 都江堰市华刚电子科技有限公司 | Light emitting diode (LED) illumination lamp with sealing structure |
CN203273511U (en) * | 2013-04-10 | 2013-11-06 | 东莞市光辉灯饰有限公司 | LED street lamp |
CN207584426U (en) * | 2017-12-20 | 2018-07-06 | 深圳市菲科科技有限公司 | A kind of high-heat-dispersion LED electric-torch burner |
CN108518591A (en) * | 2018-03-19 | 2018-09-11 | 宁波成电协创科技合伙企业(有限合伙) | A kind of intelligent heat dissipation formula lamps and lanterns |
CN208691652U (en) * | 2018-08-09 | 2019-04-02 | 曲少杰 | A kind of power equipment case automatic heat radiator |
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