CN108591886A - A kind of water proof type LED buried lamp structures - Google Patents
A kind of water proof type LED buried lamp structures Download PDFInfo
- Publication number
- CN108591886A CN108591886A CN201810429957.6A CN201810429957A CN108591886A CN 108591886 A CN108591886 A CN 108591886A CN 201810429957 A CN201810429957 A CN 201810429957A CN 108591886 A CN108591886 A CN 108591886A
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- Prior art keywords
- lamp housing
- lamp
- ceramic substrate
- end cap
- water proof
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Classifications
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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
-
- 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]
Landscapes
- 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 structures, including lamp housing, end cap, the upper end of lamp housing extends outward to form flange, baffle ring is extended inwardly to form on the inside of the upper end of lamp housing, it is equipped with transparent glass piece, support cup, ceramic substrate in lamp housing successively 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 baffle ring, airtight and watertight padding is equipped between groove and bulge loop, it is equipped with compression spring between ceramic substrate and end cap, is threadedly coupled between end cap and the lower end of lamp housing；The top surface of ceramic substrate is located at the reflector that is internally provided with of support cup, 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, advantageous effect with long service life with water resistance.
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 technology
LED underground lamps are 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 lamps usually consist of two parts, respectively
Light portion and pre-buried cylinder, existing trepanning 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 being installed due to underground lamp, light transmission is face-up, and light-emitting window is almost concordant with ground, and this requires bury
Floor-lamp has very high water resistance, is all ponding around rainy day underground lamp, and water resistance deficiency can cause rainwater straight
It connects to penetrate into inside lamp body and leads to short circuit, damage.And the head cover of common underground lamp is all placed in the upper end of lamp housing and leads at present
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 head 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
On the one hand one end of light can be easy aging, and phenomenon of expanding with heat and contract with cold by the exposure of sunlight, sealing ring directly upward, in summer
Very acutely, it is easy to cause sealing ring to fail, the junction of rainy day head cover and lamp housing is seeped water because of seal failure.
Invention content
The present invention causes lamps and lanterns to damage to solve the problems, such as LED underground lamps water resistance deficiency in the prior art,
A kind of water proof type LED buried lamp structures are 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 that：
A kind of water proof type LED buried lamp structures, including lamp housing, the end cap that is connect with lamp housing lower end, the upper end of the lamp housing are outside
Flange is extended to form, baffle ring is extended inwardly to form on the inside of the upper end of lamp housing, light transmission glass is equipped with successively from top to bottom in the lamp housing
Glass piece, support cup, ceramic substrate, the top surface periphery of the transparent glass piece are equipped with annular upper groove, under the inner ring of the baffle ring
Side is equipped with the bulge loop fastened with annular upper groove, and airtight and watertight padding, the lower end of the support cup are equipped between the groove and bulge loop
It is bolted with ceramic substrate, the upper end of the support cup is abutted with the downside of transparent glass piece, the ceramic substrate and end
It is equipped with compression spring between lid, is threadedly coupled between the end cap and the lower end of lamp housing；The top surface of the ceramic substrate is located at support
Cup is internally provided with reflector, and the reflector is equipped with several reflectors, LED lamp bead is equipped in each reflector, described
The bottom surface of 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 cord,
Power cord is pierced by from the central hole of end cap, and the outer end of power cord is equipped with electric connection.
This kind of underground lamp uses the assembly method of upside-down mounting, eliminates head cover, end cap is placed in the bottom of lamp housing, to avoid
Head cover and the leak of lamp housing junction；It is pre-tightened and is positioned by compression spring after whole assembly, on the one hand compression spring plays the role of preload, anti-not-go-end
Lid loosens, and the another aspect moment keeps between transparent glass piece and baffle 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 coordinated with annular lower groove
The cross section of boss, the annular convex platform is V-shaped, and sealing ring A is equipped 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 locating ring, the locating ring is interference fitted with lamp housing, the locating 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.Locating 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 is connect across through-hole with circuit board, and the downside of the circuit board is equipped with and leads
Hot glue layer.Heat-conducting glue layer plays heat conduction, waterproof action；Even if external aqueous vapor enters in lamp housing, LED lamp bead, circuit board pass through
Support cup forms secondary seal with heat-conducting glue layer, does not interfere with 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 cord 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, and airtight and watertight padding, the lower connection are equipped in the packing cavity
Set is internally provided with the extrusion ring stretched into packing cavity.Upper joint sleeve and lower joint sleeve screw-thread fit, rotate lower joint sleeve when
It waits so that extrusion ring stretches into crush seal filler 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 being gathered 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
The inner wall of heat dissipation cavity, the heat dissipation cavity is 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 present invention has the advantages that：（1）Head cover is eliminated, it is each inside lamp housing using underlying end cap
A component is pre-tightened by compression spring and is positioned, good seal between lamp housing and transparent glass piece, antileaking；（2）Compression 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, the side of lamp housing, end cap
Medial surface, lateral surface all have good cooling effect, 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.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the upward view of Fig. 1.
Fig. 4 is the sectional side view of Fig. 1.
Fig. 5 is close-up schematic view at A in Fig. 4.
Fig. 6 is close-up schematic view at B in Fig. 4.
Fig. 7 is close-up schematic view at C in Fig. 4.
Fig. 8 is close-up schematic view at D in Fig. 4.
In figure：Lamp housing 1, flange 100, baffle 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, compression spring 7, sealing ring B8, reflective
Plate 9, reflector 10, LED lamp bead 11, circuit board 12, power cord 13, electric connection 14, sealing ring A15, locating 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 implementation mode
The invention will be further described with reference to the accompanying drawings and detailed description：
A kind of water proof type LED buried lamp structures as shown in Figure 1, Figure 2 and Figure 4, including lamp housing 1, the end that is connect with lamp housing lower end
The upper end of lid 2, lamp housing extends outward to form flange 100, and baffle ring 101 is extended inwardly to form on the inside of the upper end of lamp housing, and lamp housing is interior certainly
Transparent glass piece 3, support cup 4, ceramic substrate 5 are equipped under above successively, as shown in figure 5, the top surface periphery of transparent glass piece is set
There is annular upper groove 300, is equipped with the bulge loop 102 fastened with annular upper groove on the downside of the inner ring of baffle ring, is set between groove and bulge loop
There are airtight and watertight padding 6, lower end and the ceramic substrate of support cup to be bolted, the upper end and the downside of transparent glass piece of support cup are supported
It connects, compression spring 7 is equipped between ceramic substrate and end cap, is threadedly coupled between end cap and the lower end of lamp housing, the lower end of lamp housing and end cap
Between be equipped with sealing ring B8；What the top surface of ceramic substrate 5 was located at support cup is internally provided with reflector 9, and reflector is equipped with several
Reflector 10 is equipped with LED lamp bead 11 in each reflector, and the bottom surface of ceramic substrate is equipped with circuit board 12, and each LED lamp bead is equal
With circuit board electrical connection, circuit board is equipped with power cord 13, and power cord is pierced by from the central hole of end cap, and the outer end of power cord is set
There is electric connection 14；The medial surface of end cap 2 is equipped with several thermally conductive sheets 200, is in the form of a column as shown in figure 3, the lateral surface of end cap is equipped with
The inner wall of heat dissipation cavity 201, heat dissipation cavity is 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 coordinated with annular lower groove, annular
The cross section of boss is V-shaped, and sealing ring A15 is equipped between annular convex platform and annular lower groove.
As shown in fig. 7, the inner wall of lamp housing 1 is equipped with locating ring 16, locating ring is interference fitted with lamp housing, if locating 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 is connect across through-hole 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 cord 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, is equipped with airtight and watertight padding in packing cavity, being internally provided with for lower joint sleeve 20 is stretched 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 head cover, will
End cap is placed in the bottom of lamp housing, to avoid head cover and the leak of lamp housing junction；It is pre-tightened and is positioned by compression 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 baffle 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, water resistance is good, perfect heat-dissipating, and whole service life is long.
Claims (8)
1. a kind of water proof type LED buried lamp structures, including lamp housing, the end cap that is connect with lamp housing lower end, characterized in that the lamp housing
Upper end extend outward to form flange, extend inwardly to form baffle 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 compression 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
Face is located at the reflector that is internally provided with of support cup, and the reflector is equipped with several reflectors, LED is equipped 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 are power cord, power cord to be pierced by from the central hole of end cap, the outer end of power cord is equipped with electric connection.
2. a kind of water proof type LED buried lamp structures according to claim 1, characterized in that 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 coordinated with annular lower groove, and the cross section of the annular convex platform is V-shaped, annular
It is equipped with sealing ring A between boss and annular lower groove.
3. a kind of water proof type LED buried lamp structures according to claim 1 or 2, characterized in that the lower end of the lamp housing with
Sealing ring B is equipped between end cap.
4. a kind of water proof type LED buried lamp structures according to claim 1, characterized in that the inner wall of the lamp housing is equipped with
Locating ring, the locating ring are interference fitted with lamp housing, and the locating ring is equipped with several location holes, the upper end of the ceramic substrate
Edge is equipped with corresponds the positioning column being slidably matched with location hole.
5. a kind of water proof type LED buried lamp structures 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.
6. a kind of water proof type LED buried lamp structures according to claims 1 or 2 or 4 or 5, characterized in that the end cap
It is equipped with upper joint sleeve in centre bore, fairlead is equipped in the upper joint sleeve, the power cord passes through fairlead, the upper company
The lower end of female connector is equipped with lower joint sleeve, is threadedly coupled between the upper joint sleeve and lower joint sleeve, under the upper joint sleeve
End is equipped with packing cavity, is equipped with airtight and watertight padding in the packing cavity, being internally provided with for the lower joint sleeve is stretched into packing cavity
Extrusion ring.
7. a kind of water proof type LED buried lamp structures 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.
8. a kind of water proof type LED buried lamp structures according to claim 1 or claim 7, 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 true CN108591886A (en) | 2018-09-28 |
| CN108591886B CN108591886B (en) | 2019-11-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370551A (en) * | 2018-12-25 | 2020-07-03 | 亿光电子(中国)有限公司 | Light emitting device |
| CN111682497A (en) * | 2020-05-26 | 2020-09-18 | 广东电网有限责任公司 | Cable connection device of mobile substation |
| CN111692994A (en) * | 2020-06-02 | 2020-09-22 | 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 |
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| 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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Address after: 523000 1 Dongcheng District, Dongguan, Guangdong. Patentee after: Guangdong Hengmao Smart City Technology Co.,Ltd. Address before: 523000 1 Dongcheng District, Dongguan, Guangdong. Patentee before: Guangdong Hengmao Lighting Technology Co.,Ltd. |