CN206310389U - A kind of LED street lamp of good seal and rapid heat dissipation - Google Patents
A kind of LED street lamp of good seal and rapid heat dissipation Download PDFInfo
- Publication number
- CN206310389U CN206310389U CN201621448709.9U CN201621448709U CN206310389U CN 206310389 U CN206310389 U CN 206310389U CN 201621448709 U CN201621448709 U CN 201621448709U CN 206310389 U CN206310389 U CN 206310389U
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- CN
- China
- Prior art keywords
- capping
- thin
- street lamp
- led street
- lower house
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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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Abstract
The utility model discloses a kind of good seal and the LED street lamp of rapid heat dissipation, including lower house, capping, it is located at the aluminium base in the cavity that lower house and capping are formed, LED lamp bead on aluminium base and the fluorescence coating being coated on aluminium base, lower house bottom is provided with transparency glass plate, the medial surface of lower house and capping near laminating opening is provided with rubber ring, aluminium base top is provided with heat sink, heat sink is provided with thin discharge orifice, dredge the thin chute being provided with around discharge orifice around the arrangement of thin discharge orifice even circumferential, dredge discharge orifice and the thin chute around it constitutes a thin chute group for petal shape, reflector is provided with below aluminium base, the position of correspondence LED lamp bead is provided with reflective hole on reflector, the depression of interior recessed circle is provided with around reflective hole, the downside of reflector is provided with reflector layer.When LED street lamp works, the sealing property between lower house and capping can be strengthened because draught head rubber ring is heat-insulated, heat sink can also promote internal gas convection current, accelerate radiating except that can carry out heat transfer.
Description
Technical field
The utility model is related to LED field, especially the LED street lamp of a kind of good seal and rapid heat dissipation.
Background technology
With the development of LED, have using low-tension supply, power consumption less due to LED light source, strong applicability, stability is high, ring
The advantages of short between seasonable, the extensive use of LED has become a kind of development trend.Existing LED lamp is all logical in application
Cross and be welded on a substrate with circuit, reapply various light fixture the insides, while a suitable circuit drives of arranging in pairs or groups are given
LED is powered, and circuit drives are a single parts, is placed on a box the inside for insulation, then will entirely be driven with screw solid
It is scheduled on base plate.
For example, " LED and LED radiating disclosed in the China's Authorization Notice No. CN205669795U of on November 2nd, 2016
Device ", discloses a kind of LED and LED lamp heat sink, including：Lamp head；Ceiling plate portion；It combines to form appearance with the lamp head
Receive chamber, built-in drive circuit；Radiator；It is connected to ceiling plate portion side；Illuminating part；It is connected to radiator and is relatively distant from lid
One end of plate portion.Further, the radiator includes hollow pipe portion, it is radial be spaced apart in hollow pipe portion outer wall the
One fin and the second fin；The end connection of first fin forms the first heat conducting cover plate；Second radiating
The end connection of piece forms the second heat conducting cover plate；Second heat conducting cover plate and the different height of the first heat conducting cover plate are forming
Airflow orifice.It is disadvantageous in that the fin of hollow tubular is simply to carry out subregion to the air-flow inside LED, for
The perturbation action of internal gas is weak, is unfavorable for that lamp interior heat is well mixed, and radiating efficiency is not high；Applicable LED lamp is needed
Height that will be higher, applicable scope is small, and such as LED street lamp cannot be used.LED street lamp generally comprises the housing of bar channel-shaped, position
Aluminium base in housing, the LED lamp bead on aluminium base and the fluorescence coating being coated on aluminium base, housing bottom are provided with
Transparency glass plate.LED street lamp is worked under external environment, it is necessary to water proof and dust proof, extraneous condensation is steamed when preventing the reduction of evening temperature
Vapour enters the inside of LED street lamp, weaker with extraneous gas exchanges, so radiating efficiency is relatively low.
Utility model content
The utility model will solve when LED street lamp of the prior art is used that sealing property and radiating efficiency cannot be while protect
The deficiency of card, devises the LED street lamp of a kind of good seal and rapid heat dissipation, improves the sealing property of LED street lamp, it is ensured that LED roads
Strengthen the heat-sinking capability of LED street lamp while lamp sealing property.
To achieve these goals, the utility model is adopted the following technical scheme that.
A kind of LED street lamp of good seal and rapid heat dissipation, including lower house, cover, be located at lower house and capping formed chamber
Internal aluminium base, the LED lamp bead on aluminium base and the fluorescence coating being coated on aluminium base, lower house bottom is provided with
Bright glass plate, lower house and capping near laminating opening medial surface be respectively equipped with rubber ring, be provided with inside rubber ring cavity and
Two rubber rings have side to fit each other；Aluminium base top is provided with heat sink, and heat sink is provided with and is all spaced horizontal and vertical
The thin discharge orifice of even distribution, dredges the thin chute being provided with around discharge orifice around the arrangement of thin discharge orifice even circumferential, each thin chute it is relative from
The edge of the same side is contour and edge higher than opposite side, dredges discharge orifice and the thin chute around it and constitutes the thin of petal shape
Chute group, is provided with reflector below aluminium base, the position of correspondence LED lamp bead is provided with reflective hole, the week in reflective hole on reflector
The depression for being provided with interior recessed circle is enclosed, the downside of reflector is provided with reflector layer.
When LED street lamp works, internal lamp bead heat production, due to internal gas expanded by heating, lower house is formed with capping
Air pressure enhancing in cavity, because rubber ring is heat-insulated, gas in rubber ring internal cavities is low compared with the gas temperature near aluminium base
Air pressure is small, and in the cavity under the pressure of hot-air, rubber ring shrinks, and reduces the air pressure in cavity, while making rubber ring mutually be affixed
The side laminating of conjunction is more tight, the sealing property between enhancing lower house and capping.When gases are heated, they expand near aluminium base
Rise, shunted by the presence of the thin chute group on heat sink, the spiral in the presence of thin chute group of the gas in LED street lamp
Rise, action of turbulent flow is strong, enhances gaseous exchange, helps radiate；Due to being provided with the depression of interior recessed circle around reflective hole, instead
The downside of tabula rasa is provided with reflector layer can be with the light inside camber reflection LED street lamp, so as to reduce the light of LED street lamp generation
Spot；What reflector layer reduction heat sink was subject to radiates, and makes to dredge the gas temperature above the gas temperature and reflector layer above chute group
Difference, is conducive to dredging the convection current of the gas above chute group and ambient gas, accelerates radiating.
Preferably, dredging chute is shaped as fusiformis broad in the middle small in ends, the sophisticated line for dredging chute is dredged by place
The center of circle of the corresponding thin discharge orifice of chute group.The thin chute of fusiformis is convenient to be distorted, and the edge for dredging chute both sides difference in height is occurred, is entered
And strengthen the flow-disturbing effect for dredging chute group, accelerate the radiating inside LED street lamp.
Preferably, it is the eccentric circular ring at right angle that the cross sectional shape of rubber ring is drift angle.The lateral surface of rubber ring includes one
The N-Side surf of circular arc and two mutually perpendicular side planes, the side plane of rubber ring one on lower house are fitted with lower house, separately
One side plane is fitted with the side plane of the upper rubber ring of capping, and under by the pressure effect for expanding hot-air, N-Side surf can be inside
Compression, the plane for promoting two rubber rings to fit each other is more tight.
Preferably, the surface of rubber ring is provided with heat insulating coat.When reducing LED street lamp work, gas is subject in rubber ring
Radiant heat, it is ensured that gas pressure intensity and temperature in rubber ring less than gas in cavity pressure and temperature, so as to ensure rubber
Circle easily shrinks the decompression and reinforcement sealing that can play a part of needs.
Preferably, the medial surface of capping is provided with circinate disturbance projection, discharge orifice is dredged on the raised correspondence heat sink of disturbance
Position.Expand by surrounding of the scattered gas in the case where raised role is disturbed toward capping medial surface after the effect of heat sink flow-disturbing
Dissipate, the gas below capping accelerates convection current, makes gas more abundant with closure contacts, accelerate rate of heat dispation.Disturbance is raised to be increased
Seal cap inwall and the contact area of gas, strengthen the heat-sinking capability of capping.Circinate disturbance projection is contacted with fin, is made
Capping directly carries out heat conducting and radiating with heat sink, and radiating efficiency is high, while thin discharge orifice will not be blocked, it is right inside LED street lamp
Stream is strong, improves radiating efficiency.
Preferably, the lateral surface of capping is provided with some evenly spaced radiating fins.Increase capping and extraneous contact
Area, accelerates radiating.
Preferably, the interior corner of capping is provided with buffering fillet.Prevent hot gas from being piled up in the interior corner of capping, and cannot
Causing radiating efficiency downwards reduces.
Preferably, lower house and the mating surface of capping are provided with sealing ring.Complete the sealing of lower house and capping.
It is of the present utility model to be beneficial in that：
When LED street lamp works, internal lamp bead heat production, due to internal gas expanded by heating, lower house is formed with capping
Air pressure enhancing in cavity, because rubber ring is heat-insulated, gas in rubber ring internal cavities is low compared with the gas temperature near aluminium base
Air pressure is small, and in the cavity under the pressure of hot-air, rubber ring shrinks, to reduce the air pressure in cavity, while making rubber ring mutual
The side laminating of laminating is more tight, the sealing property between enhancing lower house and capping.
When gases are heated, they expand near aluminium base rises, and is shunted by the presence of the thin chute group on heat sink, LED roads
Gas in the lamp spiral in the presence of thin chute group, action of turbulent flow is strong, enhances gaseous exchange, helps radiate.
The depression of interior recessed circle is provided with around reflective hole, the downside of reflector is provided with reflector layer can be with camber reflection
Light inside LED street lamp, so as to reduce the hot spot of LED street lamp generation；What reflector layer reduction heat sink was subject to radiates, and makes to dredge stream
Gas temperature above groove group is different from the gas temperature above reflector layer, is conducive to dredging gas and surrounding gas above chute group
The convection current of body, accelerates radiating.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the upward view of Fig. 1.
Fig. 4 is the structural representation of the fin in the utility model.
Fig. 5 is the structural representation of capping inwall in the utility model.
In figure：The capping rubber ring 22 of 2 radiating fin 21 of lower house 1 disturbs the raised transparency glass plate of 23 sealing ring 24
The heat sink 7 of 3 LED lamp bead, 4 reflector, 5 driver 6 dredges discharge orifice 71 and dredges the drive location hole 73 of chute 72.
Specific embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings.
In Fig. 1, the LED street lamp of a kind of good seal and rapid heat dissipation includes the lower house 1 of the interior rectangle for setting cavity and by interior
The mating surface of the embedding capping 2 being bolted on lower house 1, lower house 1 and capping 2 is provided with sealing ring 24.Lower house 1 and envelope
Aluminium base is provided with the cavity that lid 2 is formed, LED lamp bead 4 is installed on aluminium base, the installation position of LED lamp bead 4 installs on aluminium base
There is fluorescence coating, the bottom of lower house 1 is provided with transparency glass plate 3, and the medial surface of lower house 1 and capping 2 near laminating opening sets respectively
There is rubber ring 22, cavity is provided with inside rubber ring 22 and two rubber rings 22 have side to fit each other；The surface of rubber ring 22 is provided with
Heat insulating coat.Aluminium base top is provided with heat sink 7, as shown in figure 4, heat sink 7 is provided with all being spaced uniformly horizontal and vertical
The thin discharge orifice 71 of distribution, dredges the thin chute 72 being provided with around discharge orifice 71 around the arrangement of the even circumferential of thin discharge orifice 71, dredges the shape of chute 72
Shape is fusiformis broad in the middle small in ends, dredges the sophisticated line of chute 72 by the center of circle of corresponding thin discharge orifice 71.Each thin chute 72
It is relative from the edge in left side is contour and edge higher than right side, dredge discharge orifice 71 with one flower of composition of the thin chute 72 around it
The thin chute group of lobed shape, drive location hole 73 is provided with the middle of four adjacent thin chute groups, for accommodating driver 6, side
Just radiate and save the inner space of LED street lamp.As shown in figures 1 and 3, reflector 5, reflector 5 are provided with below aluminium base
The position of upper correspondence LED lamp bead 4 is provided with reflective hole so that reflector 5 can be set in the outside of LED lamp bead 4, the week in reflective hole
The depression for being provided with interior recessed circle is enclosed, the downside of reflector 5 is provided with reflector layer.The cross sectional shape of rubber ring 22 is that drift angle is right angle
Eccentric circular ring.As shown in figure 5, the medial surface of capping 2 is provided with circinate disturbance raised 23, the raised 23 correspondence heat sink 7 of disturbance
The position of upper thin discharge orifice 71.In Fig. 2, the lateral surface of capping 2 is distributed with evenly spaced radiating fin 21.The interior corner of capping 2
It is provided with buffering fillet.
When LED street lamp works, internal lamp bead heat production, due to internal gas expanded by heating, lower house 1 and capping 2 are formed
Cavity in air pressure enhancing, because rubber ring 22 is heat-insulated, the gas in the internal cavities of rubber ring 22 is compared with the gas near aluminium base
Temperature low pressure is small, and in the cavity under the pressure of hot-air, rubber ring 22 shrinks, and reduces the air pressure in cavity, while making rubber
The side laminating that circle 22 mutually fits is more tight, the sealing property between enhancing lower house 1 and capping 2.
The effect that heat sink 7 is provided with thin chute group be save heat sink 7 with material simultaneously ensure the heat transfer of heat sink 7
Efficiency.Each thin chute 72 can ensure heat sink 7 with respect to contour from the edge in right side and higher than left side edge
Ensure that the space dredged in discharge orifice 71 and thin chute 72 keeps connection while contact with aluminium base, prevent air to be locked in thin chute
Persistently overheating in the inner space of group, enhancing heat sink 7 strengthens thermal convection current for the flow-disturbing effect of LED street lamp internal gas.
Depression on reflector 5 is set in the outside of LED lamp bead 4, and albedo is strong, and LED lamp bead 4 is in the length of the dorsal part of reflector 5
Small, it is ensured that the photon inside LED street lamp is few, so that the heat of radiation is few, the utility model heat inside enhancing LED street lamp is passed
Lead, thermal convection current ability while reduce inside radiations heat energy there is radiating efficiency high so as to ensure the utility model.
Claims (8)
1. a kind of LED street lamp of good seal and rapid heat dissipation, including lower house（1）, capping（2）, be located at lower house（1）And capping
（2）Aluminium base in the cavity of formation, the LED lamp bead on aluminium base（4）And the fluorescence coating on aluminium base is coated in, under
Housing（1）Bottom is provided with transparency glass plate（3）, it is characterized in that, the lower house（1）And capping（2）Near the interior of laminating opening
Side is respectively equipped with rubber ring（22）, rubber ring（22）Inside is provided with cavity and two rubber rings（22）There is side to fit each other, aluminium
Surface is provided with heat sink（7）, heat sink（7）It is provided with and is all spaced equally distributed thin discharge orifice horizontal and vertical（71）,
Dredge discharge orifice（71）Surrounding is provided with around thin discharge orifice（71）The thin chute of even circumferential arrangement（72）, each thin chute（72）With respect to itself
Edge in the same side is contour and edge higher than opposite side, dredges discharge orifice（71）With the thin chute around it（72）Constitute a flower
The thin chute of lobed shape（72）Group, is provided with reflector below aluminium base（5）, reflector（5）Upper correspondence LED lamp bead（4）Position
Reflective hole is installed, the depression of interior recessed circle, reflector have been provided with around reflective hole（5）Downside be provided with reflector layer.
2. the LED street lamp of a kind of good seal according to claim 1 and rapid heat dissipation, it is characterized in that, the thin chute（72）
Be shaped as fusiformis broad in the middle small in ends, dredge chute（72）Sophisticated line by place dredge chute（72）The corresponding thin stream of group
Hole（71）The center of circle.
3. the LED street lamp of a kind of good seal according to claim 1 and rapid heat dissipation, it is characterized in that, the rubber ring（22）
Cross sectional shape for drift angle for right angle eccentric circular ring.
4. the LED street lamp of a kind of good seal according to claim 1 and rapid heat dissipation, it is characterized in that, the rubber ring（22）
Surface be provided with heat insulating coat.
5. the LED street lamp of a kind of good seal according to claim 1 and rapid heat dissipation, it is characterized in that, the capping（2）It is interior
It is raised that side is provided with circinate disturbance（23）, disturbance projection（23）Correspondence heat sink（7）Upper thin discharge orifice（71）Position.
6. the LED street lamp of a kind of good seal according to claim 1 and rapid heat dissipation, it is characterized in that, the capping（2）It is outer
Side is provided with some evenly spaced radiating fins（21）.
7. the LED street lamp of a kind of good seal according to claim 1 and rapid heat dissipation, it is characterized in that, the capping（2）It is interior
Corner is provided with buffering fillet.
8. the LED street lamp of a kind of good seal according to claim 1 and rapid heat dissipation, it is characterized in that, the lower house（1）With
Capping（2）Mating surface be provided with sealing ring（24）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448709.9U CN206310389U (en) | 2016-12-27 | 2016-12-27 | A kind of LED street lamp of good seal and rapid heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448709.9U CN206310389U (en) | 2016-12-27 | 2016-12-27 | A kind of LED street lamp of good seal and rapid heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206310389U true CN206310389U (en) | 2017-07-07 |
Family
ID=59247027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621448709.9U Expired - Fee Related CN206310389U (en) | 2016-12-27 | 2016-12-27 | A kind of LED street lamp of good seal and rapid heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206310389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163240A (en) * | 2018-09-10 | 2019-01-08 | 天津大学 | Nano-energy-saving desk lamp holder |
| CN111828921A (en) * | 2019-09-17 | 2020-10-27 | 电子科技大学中山学院 | Solar street lamp |
-
2016
- 2016-12-27 CN CN201621448709.9U patent/CN206310389U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163240A (en) * | 2018-09-10 | 2019-01-08 | 天津大学 | Nano-energy-saving desk lamp holder |
| CN111828921A (en) * | 2019-09-17 | 2020-10-27 | 电子科技大学中山学院 | Solar street lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20191227 |