CN108591886B - A kind of water proof type LED buried lamp structure - Google Patents
A kind of water proof type LED buried lamp structure Download PDFInfo
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- CN108591886B CN108591886B CN201810429957.6A CN201810429957A CN108591886B CN 108591886 B CN108591886 B CN 108591886B CN 201810429957 A CN201810429957 A CN 201810429957A CN 108591886 B CN108591886 B CN 108591886B
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- ceramic substrate
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- end cap
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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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
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
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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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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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
- F21V29/56—Cooling arrangements using liquid coolants
-
- 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
-
- 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
-
- 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
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
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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)
- Microelectronics & Electronic Packaging (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to technical field of lamps, disclose a kind of water proof type LED buried lamp structure, including lamp housing, end cap, the upper end of lamp housing extends outward to form flange, retaining ring is extended inwardly to form on the inside of the upper end of lamp housing, transparent glass piece, support cup, ceramic substrate are successively arranged in lamp housing from top to bottom, the top surface periphery of transparent glass piece is equipped with annular upper groove, bulge loop is equipped on the downside of the inner ring of retaining ring, airtight and watertight padding is equipped between groove and bulge loop, it is equipped with pressure spring between ceramic substrate and end cap, is threadedly coupled between end cap and the lower end of lamp housing；The inside that the top surface of ceramic substrate is located at support cup is equipped with reflector, and reflector is equipped with several reflectors, and LED lamp bead is equipped in each reflector, and the bottom surface of ceramic substrate is equipped with circuit board.The present invention good, beneficial effect with long service life with waterproof performance.
Description
Technical field
The present invention relates to technical field of lamps more particularly to a kind of water proof type LED buried lamp structures.
Background technique
LED underground lamp is a kind of landscape ornamental lamps and lanterns, commonly used in greenbelt, park lawn, garden illumination, shopping mall,
Parking lot, square night light place integrate illumination and decoration.LED underground lamp usually consists of two parts, respectively
Light portion and pre-buried cylinder, existing aperture on the ground, is then charged into pre-buried cylinder and is fixed by concrete, then by lamp when installation
Body is packed into pre-buried cylinder, and after underground lamp installation, light transmission is face-up, and light-emitting window is almost concordant with ground, and this requires bury
Floor-lamp has very high waterproof performance, is all ponding around rainy day underground lamp, it is straight that waterproof performance deficiency will lead to rainwater
It connects to penetrate into inside lamp body and leads to short circuit, damage.And the top cover of underground lamp common at present is all placed in the upper end of lamp housing and leads to
Bolt to be crossed to connect with lamp housing, the overwhelming majority of underground lamp leak at present reason is all this junction leak, although top cover and lamp housing
Sealing ring is arranged in junction, however since the installation of underground lamp and other street lamps, searchlight, shot-light are different, underground lamp goes out
One end of light directly upward, will receive the exposure of sunlight in summer, on the one hand sealing ring is easy aging, and thermal expansion and contraction
Very acutely, it is easy to cause sealing ring to fail, the junction of rainy day top cover and lamp housing is seeped water because of seal failure.
Summary of the invention
The present invention causes lamps and lanterns to damage to solve the problems, such as LED underground lamp waterproof performance deficiency in the prior art,
A kind of water proof type LED buried lamp structure is provided, can effectively prevent rainwater from penetrating into lamp interior, that improves lamps and lanterns uses the longevity
Life.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of water proof type LED buried lamp structure, including lamp housing, the end cap being connect with lamp housing lower end, the upper end of the lamp housing
Flange is extended outward to form, retaining ring is extended inwardly to form on the inside of the upper end of lamp housing, is successively arranged from top to bottom in the lamp housing
Light sheet glass, support cup, ceramic substrate, the top surface periphery of the transparent glass piece are equipped with annular upper groove, the retaining ring it is interior
Circle downside is equipped with the bulge loop fastened with annular upper groove, and airtight and watertight padding is equipped between the groove and bulge loop, the support cup
Lower end is bolted with ceramic substrate, and the upper end of the support cup is abutted with the downside of transparent glass piece, the ceramic substrate
It is equipped with pressure spring between end cap, is threadedly coupled between the end cap and the lower end of lamp housing；The top surface of the ceramic substrate is located at
The inside of support cup is equipped with reflector, and the reflector is equipped with several reflectors, is equipped with LED lamp bead in each reflector,
The bottom surface of the ceramic substrate is equipped with circuit board, and each LED lamp bead is and circuit board electrical connection, the circuit board are equipped with power supply
Line, power supply line are pierced by from the central hole of end cap, and the outer end of power supply line is equipped with electric connection.
This kind of underground lamp uses the assembly method of upside-down mounting, eliminates top cover, end cap is placed in the bottom of lamp housing, to avoid
Top cover and the leak of lamp housing junction；It is pre-tightened and is positioned by pressure spring after whole assembly, on the one hand pressure spring plays the role of preload, anti-not-go-end
Lid loosens, and the another aspect moment keeps between transparent glass piece and retaining ring, compresses sealing between support cup and transparent glass piece, prevents
Leak-stopping water, and can greatly alleviate the influence expanded with heat and contract with cold, keep the highly effective leakproofness of airtight and watertight padding；Ceramic substrate has
Good thermal diffusivity keeps the good heat dissipation of LED lamp bead.
Preferably, annular lower groove is equipped with around the downside of the transparent glass piece, the cross of the annular lower groove
Section forming V-shape, the support cup are made of aluminium alloy, and the upper end of the support cup is equipped with the annular cooperated with annular lower groove
The cross section of boss, the annular convex platform is V-shaped, is equipped with sealing ring A between annular convex platform and annular lower groove.
Preferably, being equipped with sealing ring B between the lower end and end cap of the lamp housing.The junction of lamp housing and end cap keeps close
Envelope, prevents aqueous vapor from entering inside lamp housing.
Preferably, the inner wall of the lamp housing is equipped with positioning ring, the positioning ring and lamp housing are interference fitted, the positioning ring
Several location holes are equipped with, is equipped at the upper end-face edge of the ceramic substrate and corresponds the positioning being slidably matched with location hole
Column.Positioning ring is used for the positioning of ceramic substrate, it is ensured that whole assembly precision keeps the leakproofness of all parts junction.
Preferably, the top surface of the ceramic substrate is equipped with several positioning convex platforms, the lower end of the reflector is stuck in positioning
On boss, the bottom surface of the ceramic substrate is equipped with cavity, and the center of the positioning convex platform is equipped with the through-hole being connected to cavity, described
Circuit board be placed in cavity, the pin of LED lamp bead passes through through-hole and connect with circuit board, and the downside of the circuit board is equipped with leading
Hot glue layer.Heat-conducting glue layer plays thermally conductive, waterproof action；Even if external aqueous vapor enters in lamp housing, LED lamp bead, circuit board pass through
Support cup and heat-conducting glue layer form secondary seal, will not influence normal use, service life significantly extends.
Preferably, being equipped with upper joint sleeve in the centre bore of the end cap, fairlead is equipped in the upper joint sleeve, it is described
Power supply line pass through fairlead, the lower end of the upper joint sleeve is equipped with lower joint sleeve, the upper joint sleeve and lower joint sleeve it
Between be threadedly coupled, the lower end of the upper joint sleeve is equipped with packing cavity, is equipped with airtight and watertight padding, the lower connection in the packing cavity
The inside of set is equipped with the extrusion ring protruded into packing cavity.Upper joint sleeve is threadedly engaged with lower joint sleeve, rotate lower joint sleeve when
It waits so that extrusion ring, which protrudes into, squeezes airtight and watertight padding in packing cavity, to keep the leakproofness between data line and end cap；Simultaneously also
The frictional force between data line and upper joint sleeve is increased, data line stress is prevented to be pulled out.
Preferably, the top surface of the lamp housing be uniformly provided with it is several by center radial diversion trench outward, it is described to lead
Chute tilts down outward from inner end, and the outer wall of the lamp housing is equipped with several radiating fins being distributed vertically, and adjacent two dissipate
Rhone is formed between hot fin, the upper end of the rhone is connected to the outer end of diversion trench by link slot.Diversion trench can increase
The frictional force for adding underground lamp top surface prevents rainy day pedestrian from trampling and sliding into；Guide functions can be played in rainy day diversion trench, so that thoroughly
The rainwater of light glass plate top surface can be exhausted quickly along diversion trench, and rainwater can also flow into rhone by link slot, to take away
The heat of lamp housing outer wall can prevent rainwater from gathering around underground lamp top surface and lamp housing is promoted to radiate.
Preferably, the medial surface of the end cap is equipped with several thermally conductive sheets, the lateral surface of the end cap, which is equipped with, to be in the form of a column
Heat dissipation cavity, the inner wall of the heat dissipation cavity are uniformly provided with several cooling fins.Thermally conductive sheet, cooling fin further function as conductive force, pole
Big shortens circuit board and extraneous heat dissipation, thermally conductive pathways, and heat-conducting effect is very good.
Therefore, the invention has the following beneficial effects: (1) to eliminate top cover, each inside lamp housing using underlying end cap
A component is pre-tightened by pressure spring and is positioned, good seal between lamp housing and transparent glass piece, antileaking；(2) pressure spring is for heat expansion
Shrinkage has good adaptability, so as to keep the stabilized seal at airtight and watertight padding；(3) support cup, heat-conducting glue layer will
Electronic device in lamp housing is isolated with the space in lamp housing, plays the role of secondary seal；(4) top surface, side of lamp housing, end cap
Medial surface, lateral surface all have good heat spreading function, are equivalent to the position in addition to transparent glass piece, remaining each face setting
Cooling fin or thermally conductive sheet, entire underground lamp excellent radiation performance；(5) when lamp housing radiates, thermal current is along diversion trench, connection
Slot rises, and air-flow flowing further promotes lamp housing heat dissipation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the bottom view of Fig. 1.
Fig. 4 is the sectional side view of Fig. 1.
Fig. 5 is partial enlargement diagram at A in Fig. 4.
Fig. 6 is partial enlargement diagram at B in Fig. 4.
Fig. 7 is partial enlargement diagram at C in Fig. 4.
Fig. 8 is partial enlargement diagram at D in Fig. 4.
In figure: lamp housing 1, flange 100, retaining ring 101, bulge loop 102, radiating fin 103, rhone 104, link slot 105, end
Lid 2, thermally conductive sheet 200, heat dissipation cavity 201, cooling fin 202, transparent glass piece 3, annular upper groove 300, annular lower groove 301, branch
Support cup 4, annular convex platform 400, ceramic substrate 5, positioning convex platform 500, through-hole 501, airtight and watertight padding 6, pressure spring 7, sealing ring B8, reflective
Plate 9, reflector 10, LED lamp bead 11, circuit board 12, power supply line 13, electric connection 14, sealing ring A15, positioning ring 16, positioning column
17, heat-conducting glue layer 18, upper joint sleeve 19, stop flange 190, sealing ring 191, packing cavity 192, lower joint sleeve 20, extrusion ring 21,
Diversion trench 22.
Specific embodiment
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
A kind of water proof type LED buried lamp structure as shown in Figure 1, Figure 2 and Figure 4, including lamp housing 1, connect with lamp housing lower end
End cap 2, the upper end of lamp housing extends outward to form flange 100, extends inwardly to form retaining ring 101, lamp housing on the inside of the upper end of lamp housing
It is inside successively arranged transparent glass piece 3, support cup 4, ceramic substrate 5 from top to bottom, as shown in figure 5, outside the top surface of transparent glass piece
Be equipped with annular upper groove 300 week, be equipped with the bulge loop 102 fastened with annular upper groove on the downside of the inner ring of retaining ring, groove and bulge loop it
Between be equipped with airtight and watertight padding 6, lower end and the ceramic substrate of support cup be bolted, the upper end of support cup and the downside of transparent glass piece
Face abut, between ceramic substrate and end cap be equipped with pressure spring 7, be threadedly coupled between end cap and the lower end of lamp housing, the lower end of lamp housing with
Sealing ring B8 is equipped between end cap；The inside that the top surface of ceramic substrate 5 is located at support cup is equipped with reflector 9, and reflector is equipped with
Several reflectors 10, LED lamp bead 11 is equipped in each reflector, and the bottom surface of ceramic substrate is equipped with circuit board 12, each LED light
Pearl is and circuit board electrical connection, circuit board are equipped with power supply line 13, and power supply line is pierced by from the central hole of end cap, outside power supply line
End is equipped with electric connection 14；The medial surface of end cap 2 is equipped with several thermally conductive sheets 200, as shown in figure 3, it is in column that the lateral surface of end cap, which is equipped with,
The heat dissipation cavity 201 of shape, the inner wall of heat dissipation cavity are uniformly provided with several cooling fins 202.
As shown in figure 5, being equipped with annular lower groove 301, the cross section of annular lower groove around the downside of transparent glass piece 3
Forming V-shape, support cup 4 are made of aluminium alloy, and the upper end of support cup is equipped with the annular convex platform 400 cooperated with annular lower groove, annular
The cross section of boss is V-shaped, is equipped with sealing ring A15 between annular convex platform and annular lower groove.
As shown in fig. 7, the inner wall of lamp housing 1 is equipped with positioning ring 16, positioning ring and lamp housing are interference fitted, if positioning ring is equipped with
Dry location hole is equipped at the upper end-face edge of ceramic substrate 5 and corresponds the positioning column 17 being slidably matched with location hole.
As shown in fig. 6, the top surface of ceramic substrate 5 is equipped with several positioning convex platforms 500, the lower end of reflector is stuck in positioning convex platform
On, the bottom surface of ceramic substrate is equipped with cavity, and the center of positioning convex platform is equipped with the through-hole 501 being connected to cavity, and circuit board 12 is placed in
In cavity, the pin of LED lamp bead passes through through-hole and connect with circuit board, and the downside of circuit board is equipped with heat-conducting glue layer 18.
As shown in figure 8, being equipped with upper joint sleeve 19 in the centre bore of end cap 2, fairlead is equipped in upper joint sleeve, power supply line is worn
Fairlead is crossed, the upper end of upper joint sleeve is equipped with the stop flange 190 for being placed in rubbing surface of end cover, is equipped between stop flange and end cap
The lower end of sealing ring 191, upper joint sleeve is equipped with lower joint sleeve 20, is threadedly coupled between upper joint sleeve and lower joint sleeve, upper connection
The lower end of set is equipped with packing cavity 192, and airtight and watertight padding is equipped in packing cavity, and the inside of lower joint sleeve 20, which is equipped with, to be protruded into packing cavity
Extrusion ring 21.
As shown in Fig. 2, Fig. 3 and Fig. 5, the top surface of lamp housing 1 is uniformly provided with several by center radial diversion trench outward
22, diversion trench tilts down outward from inner end, and the outer wall of lamp housing 1 is equipped with several radiating fins 103 being distributed vertically, and adjacent two
Rhone 104 is formed between radiating fin, the upper end of rhone is connected to the outer end of diversion trench by link slot 105.
In conjunction with attached drawing, the principle of the present invention is as follows: this kind of underground lamp uses the assembly method of upside-down mounting, eliminates top cover, will
End cap is placed in the bottom of lamp housing, to avoid top cover and the leak of lamp housing junction；It is pre-tightened and is positioned by pressure spring after whole assembly, pressure
Spring on the one hand play the role of preload, prevent end cap from loosening, the another aspect moment holding transparent glass piece and retaining ring between, support cup
Sealing is compressed between transparent glass piece, is prevented leak, and can greatly alleviate the influence expanded with heat and contract with cold, is kept airtight and watertight padding
Highly effective leakproofness, ceramic substrate have good thermal diffusivity, keep the good heat dissipation of LED lamp bead；In the rainy day, it is obliquely installed
Diversion trench the rainwater of underground lamp top surface can quickly be exhausted, during the broiling summer at night, underground lamp open after, around lamp housing
Temperature increases, and thermal current rises, and forms gas flowing, to further promote heat dissipation.Therefore, this kind of LED underground lamp leakproofness
Energy is good, waterproof performance is good, perfect heat-dissipating, and whole service life is long.
Claims (6)
1. a kind of water proof type LED buried lamp structure, including lamp housing, the end cap being connect with lamp housing lower end, characterized in that the lamp housing
Upper end extend outward to form flange, extend inwardly to form retaining ring on the inside of the upper end of lamp housing, in the lamp housing from top to bottom successively
Equipped with transparent glass piece, support cup, ceramic substrate, the top surface periphery of the transparent glass piece is equipped with annular upper groove, the gear
It is equipped with the bulge loop fastened with annular upper groove on the downside of the inner ring of circle, airtight and watertight padding, the branch are equipped between the groove and bulge loop
The lower end of support cup is bolted with ceramic substrate, and the upper end of the support cup is abutted with the downside of transparent glass piece, the pottery
It is equipped with pressure spring between porcelain substrate and end cap, is threadedly coupled between the end cap and the lower end of lamp housing；The top of the ceramic substrate
The inside that face is located at support cup is equipped with reflector, and the reflector is equipped with several reflectors, is equipped with LED in each reflector
Lamp bead, the bottom surface of the ceramic substrate are equipped with circuit board, and each LED lamp bead and circuit board electrical connection, is set on the circuit board
There is power supply line, power supply line is pierced by from the central hole of end cap, and the outer end of power supply line is equipped with electric connection；Under the transparent glass piece
Side periphery is equipped with annular lower groove, the cross section forming V-shape of the annular lower groove, and the support cup is made of aluminium alloy,
The upper end of the support cup is equipped with the annular convex platform cooperated with annular lower groove, and the cross section of the annular convex platform is V-shaped, annular
Sealing ring A is equipped between boss and annular lower groove；The inner wall of the lamp housing is equipped with positioning ring, the positioning ring and lamp housing interference
Cooperation, the positioning ring are equipped with several location holes, are equipped at the upper end-face edge of the ceramic substrate and correspond with location hole
The positioning column being slidably matched.
2. a kind of water proof type LED buried lamp structure according to claim 1, characterized in that the lower end and end of the lamp housing
Sealing ring B is equipped between lid.
3. a kind of water proof type LED buried lamp structure according to claim 1, characterized in that the top surface of the ceramic substrate
Equipped with several positioning convex platforms, the lower end of the reflector is stuck on positioning convex platform, and the bottom surface of the ceramic substrate is equipped with cavity, institute
The center for stating positioning convex platform is equipped with the through-hole being connected to cavity, and the circuit board is placed in cavity, and the pin of LED lamp bead passes through
Through-hole is connect with circuit board, and the downside of the circuit board is equipped with heat-conducting glue layer.
4. a kind of water proof type LED buried lamp structure according to claim 1 or 3, characterized in that the centre bore of the end cap
It is interior to be equipped with upper joint sleeve, fairlead is equipped in the upper joint sleeve, the power supply line passes through fairlead, the upper joint sleeve
Lower end is equipped with lower joint sleeve, is threadedly coupled between the upper joint sleeve and lower joint sleeve, the lower end of the upper joint sleeve is equipped with
Packing cavity, the packing cavity is interior to be equipped with airtight and watertight padding, and the inside of the lower joint sleeve is equipped with the extrusion ring protruded into packing cavity.
5. a kind of water proof type LED buried lamp structure according to claim 1, characterized in that the top surface of the lamp housing is uniform
By center, radial diversion trench, the diversion trench tilt down outward from inner end outward equipped with several, the lamp housing
Outer wall is equipped with several radiating fins for being distributed vertically, forms rhone between adjacent two radiating fins, the rhone it is upper
End is connected to the outer end of diversion trench by link slot.
6. a kind of water proof type LED buried lamp structure according to claim 1 or 5, characterized in that the medial surface of the end cap
Equipped with several thermally conductive sheets, the lateral surface of the end cap is equipped with the heat dissipation cavity being in the form of a column, if the inner wall of the heat dissipation cavity is uniformly provided with
Dry cooling fin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810429957.6A CN108591886B (en) | 2018-05-08 | 2018-05-08 | A kind of water proof type LED buried lamp structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810429957.6A CN108591886B (en) | 2018-05-08 | 2018-05-08 | A kind of water proof type LED buried lamp structure |
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| CN108591886A CN108591886A (en) | 2018-09-28 |
| CN108591886B true CN108591886B (en) | 2019-11-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111370551A (en) * | 2018-12-25 | 2020-07-03 | 亿光电子(中国)有限公司 | Light emitting device |
| CN111682497B (en) * | 2020-05-26 | 2021-06-11 | 广东电网有限责任公司 | Cable connection device of mobile substation |
| CN111692994B (en) * | 2020-06-02 | 2021-06-22 | 中国科学院西安光学精密机械研究所 | Angle measuring device assembling structure and method |
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| CN202074332U (en) * | 2011-03-16 | 2011-12-14 | 余姚市明月灯具厂 | Underground lamp |
| CN203036403U (en) * | 2012-12-28 | 2013-07-03 | 东莞勤上光电股份有限公司 | Waterproof underground lamp |
| CN203949049U (en) * | 2014-07-04 | 2014-11-19 | 天津市新亚精诚照明技术有限公司 | The buried indicator lamp of intelligent emergent |
| CN205579333U (en) * | 2016-04-27 | 2016-09-14 | 付淑珍 | Lamp buries with circulating radiating LED |
| CN105889819A (en) * | 2016-05-11 | 2016-08-24 | 东莞市联洲知识产权运营管理有限公司 | LED buried lamp |
| CN206514148U (en) * | 2016-12-30 | 2017-09-22 | 鹤山市普元电子照明有限公司 | A kind of outside hue angle water-proof underground lamp |
| CN206694923U (en) * | 2017-01-16 | 2017-12-01 | 中山市双安光电科技有限公司 | A kind of LED underground lamp being easily installed |
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| CN108591886A (en) | 2018-09-28 |
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