CN201401699Y - Closed outdoor lighting lamp with LED light source module - Google Patents
Closed outdoor lighting lamp with LED light source module Download PDFInfo
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- CN201401699Y CN201401699Y CN2009201371893U CN200920137189U CN201401699Y CN 201401699 Y CN201401699 Y CN 201401699Y CN 2009201371893 U CN2009201371893 U CN 2009201371893U CN 200920137189 U CN200920137189 U CN 200920137189U CN 201401699 Y CN201401699 Y CN 201401699Y
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- led light
- light source
- source module
- lamp
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A closed outdoor lighting lamp with LED light source module comprises a sealed hollow shell consisting of a lamp body and a transparent lampshade, and a reflector and an LED light source module whichare arranged in the sealed hollow shell, wherein an internal chamber and an external chamber, which are relatively independent, are respectively formed between the reflector and the transparent lampshade and between the lamp body and the reflector, the reflector is provided with mounting holes and a plurality of air holes, the air holes can form an air flow channel which communicates with the internal and the external chambers, inert gas or dry air is filled in the sealed hollow shell for forming the state that the inner pressure of the shell is higher than the external pressure, or the innerportion of the sealed hollow shell can form the vacuum negative pressure state for preventing fluorescent powder and silica gel of an LED light source from contacting harmful chemical substances in wet air or external air and generating material degradation. Through adopting the internal air forced circulation to dissipate heat, the heat dissipation is excellent, and the temperature of the LED light source module and a power supply can be effectively reduced.
Description
Technical field
The utility model relates to a kind of sealed outdoor lighting lamp with led light source module.
Background technology
Closed LED outdoor lighting lamp is made of lamp casing, light source module and power supply unit.Know that at present there are many deficiencies in existing closed LED outdoor lighting lamp and need improvements.Aspect the led light source module application, comprise the improvement of raising, the illumination optical performance of radiating effect, with the adaptive and quick assembling requirement of traditional lamp housing etc.
In the prior art, following several modes are adopted in the heat radiation of led light source usually: one, led light source is combined with heat dissipation metal parts (as heat dissipation metal substrate, metal heat sink), utilize the heat conduction and heat radiation effect of heat dissipation metal parts, reach reduction heat dissipation metal part temperatures effect, the life-span of guaranteeing led light source by extraneous lower temperature air heat exchange.They are two years old, at the LED outdoor lighting lamp that uses the conventional lights shell structure, led light source adopts the fan forced convection mode to dispel the heat, utilize the air of the outer lower temperature of fan extraction lamp housing and the air of the interior higher temperature of lamp housing to carry out heat exchange, and through air themperature in the lamp housing outer surface heat radiation reduction lamp housing, thereby the LED component temperature, the life-span of guaranteeing led light source.
The radiating mode of above-mentioned led light source, its weak point is: adopt the heat radiation of heat dissipation metal parts, must use the metal material of suitable weight, increase the light fixture cost; Utilize the inside and outside Forced Air Convection heat radiation of lamp housing, very easily improve because of the unclean led light source and power supply unit surface contamination and thermal resistance of causing of introducing extraneous air, particularly work as air and have moisture and harmful chemical, can cause fluorescent material, silica gel material deterioration, be unfavorable for the long-term use of led light source and power supply unit.
In the power supply unit application facet, in the existing sealed outdoor lighting lamp, usually power supply unit is arranged in the light fitting body and arranged apart with the led light source module, dispel the heat by the power supply unit shell, mode through free convection of light fitting body inner air or employing fan forced convection reaches lamp housing with heat, carry out heat exchange with extraneous lower temperature air, reduce the heat that power supply unit work produces.
The setting of above-mentioned power supply unit has the following disadvantages: power supply unit is arranged in the light fitting body, and is slow by the natural convection air radiating rate, is unfavorable for the power supply unit heat radiation, influenced working life; Adopt the fan forced convection mode to dispel the heat, then need the extra fan that increases, increase cost and energy consumption.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of sealed outdoor lighting lamp with led light source module is provided.
The sealed outdoor lighting lamp with led light source module that the utility model provides comprises
The sealed hollow housing that is combined into by lamp housing and transparent lamp shade and be arranged on reflection shield and led light source module in the sealed hollow housing, constituting relatively independent inside and outside chamber between reflection shield and the transparent lamp shade, between lamp housing and the reflection shield, offer installing hole and some pores on the described reflection shield, described pore constitutes the gas channel that is communicated with described inside and outside chamber; And
Be filled with inert gas or dry air in the described sealed hollow housing and form the state that enclosure interior pressure is higher than the housing ambient pressure, or described sealed hollow enclosure interior forms vacuum negative pressure condition.
Preferential, the installing hole that described led light source module is passed described reflection shield is fixed, and make part be arranged in described inner cavity chamber with LED light-emitting component, air outlet is arranged in described outer chamber.
Preferential, described led light source module comprises:
Support body roughly is cylindrical body, offers air port and air outlet on it, its inner hollow heat dissipation channel that was communicated with air port and air outlet that forms;
The heat dissipation metal substrate is circular shape and is installed in the outer wall place that described support body was offered the air port, and this heat dissipation metal substrate surface has some through holes;
Some LED light-emitting components are installed on the described heat dissipation metal substrate and are distributed in described through hole interval;
Fan is fixedly mounted on described support body air outlet place.
Preferential, comprising the power supply unit that is built in described led light source module, described power supply unit is arranged in the heat dissipation channel of described support body, and is electrically connected with described LED light-emitting component, fan respectively.
Technical solutions of the utility model have following beneficial effect:
Lamp casing sealing and inner filling pressure inert gas or dry air, or be in vacuum state, can avoid fluorescent material, the silica gel of led light source to contact the harmful chemical in moisture and the outside air, and cause the material deterioration, be prolonged the life-span of led light source by this;
Adopt fan forced convection, make air flow and shuttle back and forth in the mesh of heat dissipation metal substrate at the inside and outside chamber of lamp casing, form and force interior circulation heat radiation, produce good circulation radiating effect, can reduce the heat radiation and the power supply unit temperature of led light source module effectively;
Adopt inner air to circulate heat radiation, the unclean thermal resistance that causes that can avoid introducing extraneous air improves, and prolongs the life-span of power supply unit and led light source module;
With power supply unit and led light source module combinations, can reduce number of fans, improve energy-saving effect and also help making full use of the lamp interior space simultaneously, reduce the light fixture volume and weight, reduce manufacturing cost, and can reduce the cost that windage reduces lamp stand because of reducing the light fixture volume.
The unique design of led light source modular structure and optical treatment helps improving the illuminance and the uniformity of light fixture, can fully satisfy the particularly requirement of road lighting of outdoor lighting;
The led light source module can be assembled in the lamp housing of traditional closed outdoor lamp easily, is widely used in outdoor lighting lamp.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the structural representation of sealed outdoor lighting lamp of the led light source module of the employing built-in power supply that provides of the utility model.
Fig. 2 is the light fitting body structural representation among Fig. 1.
Fig. 3 is the schematic perspective view of the led light source module of the built-in power supply that provides of the utility model.
Fig. 4 is the component decomposition map of the led light source module of the built-in power supply that provides of the utility model.
Fig. 5 a is the another kind of structural representation of the lid of support body among Fig. 4.
Fig. 5 b is the another kind of structural representation of lid forward part among Fig. 5 a.
Fig. 5 c is another structural representation of lid forward part among Fig. 5 a.
Fig. 6 is the another kind of mounting means schematic diagram of fan in the led light source module of the built-in power supply that provides of the utility model.
Fig. 7 is the structural representation of led light source assembly of the led light source module of the built-in power supply that provides of the utility model.
Fig. 8 is the schematic perspective view of the led support of the installation LED light-emitting component among Fig. 7.
Fig. 9 is the another kind of structural representation of the led light source module of the built-in power supply that provides of the utility model.
The specific embodiment
A kind of closed outdoor lighting LED light fixture comprises the sealed hollow housing, is arranged on reflection shield, led light source module and power supply unit in the housing.Be filled with inert gas or dry air in the sealed hollow housing and form the state that enclosure interior pressure is higher than the housing ambient pressure, or the sealed hollow enclosure interior forms vacuum negative pressure condition.
See figures.1.and.2.The sealed hollow housing is made of lamp housing 11 with peristome 110 and the transparent lamp shade 13 that is sealed on lamp housing peristome 110.Reflection shield 12 is arranged on enclosure interior and is positioned at lamp housing peristome 110 tops, and is constituting relatively independent outer chamber 14, inner chamber body 15 between lamp housing 11 and the reflection shield 12, between reflection shield 12 and the transparent lamp shade 13.Reflection shield 12 offers light source installing hole 121 and some pores 122.The layout of pore 122 is a principle not hinder reflection shield 12 reflection functions, and decision is calculated according to exhaust air rate in pore quantity, area and position.Described pore 122 constitutes the gas channel of 15 of outer chamber 14, inner chamber body.This lamp body structure is known, no longer is described in detail at this.
With reference to Fig. 1, Fig. 3, Fig. 4, the led light source module comprises support body 2, led light source assembly 3, fan 4, power supply unit 7.Below in conjunction with accompanying drawing the structure of light source module is explained in detail.
For the ease of assembling, lid 21 can be designed as structure as shown in Fig. 5 a, is made up of forward and backward part 211,212 independently, and air outlet 25 is opened on the end face of rear section 212.But be not limited to this, lid forward part 211 can be designed to tabular as shown in Fig. 5 b or the inclined plane shape as shown in Fig. 5 c according to concrete needs.
Fan 4 is installed in the storage tank 41 in support body heat dissipation channel 10 and is installed in fixedly between the lid 21 and base 22.But be not limited to this, also can lock on air outlet 25 ports of lid by connector as shown in Figure 6.Certainly, fan also can adopt air pump to substitute.
With reference to Fig. 7, led light source assembly 3 comprises heat dissipation metal substrate 31 and the some LED light-emitting components 32 that are installed on this substrate 31 and are electrically connected.Heat dissipation metal substrate 31 can adopt the flexible flake of making as high-thermal conductive metals such as aluminium, copper, uniform some through holes 311 on substrate 31.Heat dissipation metal substrate 31 is fixed on the arc diapire installed surface of base 22 front portions and covered on the air port 23 by eye-splice or tightening member, utilize the arc strip 24 of the above-mentioned base location of finalizing the design simultaneously, and the curved substrate radius is preferably 10mm～100mm.The installation of LED light-emitting component 32 can be adopted version as shown in Figure 8: adopt many led support 33, every led support device respectively has some thermoelectric divergence type LED light-emitting components 32, led support 33 adopts welding or gummed mode to be fixed on light source substrate 31, and the through hole 311 on luminous unit of the LED on the led support 33 and the substrate 31 is staggeredly arranged.Led support 33 also can be SMD or plug-in type be welded on the heat dissipation metal substrate 31.The front of heat dissipation metal substrate 31, reverse side, side thick meat part part all form heat dissipating layer, to guarantee the getting rid of heat that LED light-emitting component 32 sends fast.Certainly, the installation of LED light-emitting component 32 is not limited to version shown in Figure 8, also can be with LED light-emitting component 32 direct Inset ejection moldings on this metal substrate 31.In addition, also can cover metallic radiating layer or alloy heat dissipating layer, to strengthen radiating effect at the back side of substrate.
Further, also can radiator, heat pipe or semiconductor chilling plate be installed in support body heat dissipation channel 10 and realize better radiating effect.
Further, the led light source module can comprise lamp holder 5, lamp socket 6.Lamp holder 5 is installed on the aft bulkhead of support body 2, and this lamp holder 5 is provided with the electric connection terminal that is electrically connected with described power supply unit 7.Lamp socket 6 has can ccontaining lamp holder 5 and the containing cavity of support body 2 rearward end, and the corresponding opening 61 that connects with lid air outlet 25 of offering on the lamp socket 6.Can be electrically connected with the external power source formation by lamp socket 6.Certainly, the led light source module also can not be provided with lamp holder, lamp socket, but adopts the structure as Fig. 9, directly draws binding post from the led light source module and is electrically connected with external power.
With reference to Fig. 1 and in conjunction with Fig. 4, the assembling mode of sealed outdoor lighting lamp is: led light source assembly 3, fan 4, lamp holder 5 are installed on the support body of being made up of lid 21, base 22 2, support body 2 is set in the installing hole 121 of reflection shield 12 again, and guarantees that the air outlet 25 that back frame body 2 rearward end are installed places outer chamber 14, the inner cavity chamber 15 of led light source assembly 3 parts between reflection shield 12 and transparent lamp shade 13.Again lamp socket 6 is set in support body 2 rearward end, and utilizes locking part that lamp socket 6, support body 2, reflection shield 12 are fixed together, insert lamp housing 11 from lamp housing peristome 110 then, at last transparent lamp shade 13 is sealed on lamp housing peristome 110 and constitutes hermetically-sealed construction.Then, the air in the sealed hollow housing is extracted out back stowing pressure inert gas or dry air and formed the state that enclosure interior pressure is higher than the housing ambient pressure, or extract sealed hollow enclosure interior air formation vacuum negative pressure condition out.After assembling is finished, connect municipal power supply by 5 liang of electrode tips of lamp holder, lamp socket 6, but light fixture is with regard to operate as normal.During light fixture work, LED light-emitting component 32 blocks direct bright dipping by transparent lamp shade 13 nothings, reaches very luminous illumination and uniformity effect.
The radiating principle of sealed outdoor lighting lamp is as follows: when the air of fan 4 in air outlet 25 ports of support body 2 are forced extraction heat dissipation channel 20, air in the outer chamber 14 enters into inner cavity chamber 15 through the pore 122 of reflection shield 12 at this moment, and be full of whole inner cavity chamber 15, cooling is installed in the metal substrate 31 on the support body 2, simultaneously the through hole 311 on the air penetration metal substrate 31 of inner cavity chamber 15 enters heat dissipation channel 20 in the support body 2 through air port 23, metal substrate 31 fronts are distributed in cooling comprehensively, the side, heat on the back side, hot-air in the heat dissipation channel 20 is discharged to through air outlet 25 under suction function, directly blow to lamp housing 11 and carry out sufficient heat exchange, realize cooling with extraneous lower temperature air.So circulate, the heat that LED light-emitting component 313 produces thoroughly can be distributed eliminating fast through metal substrate 31, reach the excellent effect of omnibearing stereo heat radiation.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (10)
1. the sealed outdoor lighting lamp that has the led light source module, comprise the sealed hollow housing that is combined into by lamp housing and transparent lamp shade and be arranged on reflection shield and led light source module in the sealed hollow housing, constituting relatively independent inside and outside chamber between reflection shield and the transparent lamp shade, between lamp housing and the reflection shield, offer installing hole and some pores on the described reflection shield, described pore constitutes the gas channel that is communicated with described inside and outside chamber; It is characterized in that:
Be filled with inert gas or dry air in the described sealed hollow housing and form the state that enclosure interior pressure is higher than the housing ambient pressure, or described sealed hollow enclosure interior forms vacuum negative pressure condition.
2. the sealed outdoor lighting lamp with led light source module according to claim 1, it is characterized in that: the installing hole that described led light source module is passed described reflection shield is fixed, and make part be arranged in described inner cavity chamber with LED light-emitting component, air outlet is arranged in described outer chamber.
3. the sealed outdoor lighting lamp with led light source module according to claim 1 and 2 is characterized in that: described led light source module comprises
Support body roughly is cylindrical body, offers air port and air outlet on it, its inner hollow heat dissipation channel that was communicated with air port and air outlet that forms;
The heat dissipation metal substrate is circular shape and is installed in the outer wall place that described support body was offered the air port, and this heat dissipation metal substrate surface has some through holes;
Some LED light-emitting components are installed on the described heat dissipation metal substrate and are distributed in described through hole interval;
Fan is fixedly mounted on described support body air outlet place.
4. the sealed outdoor lighting lamp with led light source module according to claim 3, it is characterized in that: also comprise the power supply unit that is built in described led light source module, described power supply unit is arranged in the heat dissipation channel of described support body, and is electrically connected with described LED light-emitting component, fan respectively.
5. the sealed outdoor lighting lamp with led light source module according to claim 3, it is characterized in that: described support body is to combine the hollow tube-shape body by lid and base, offered the air port on the base, set out the air port on the lid, between lid and base, form the hollow heat dissipation channel that was communicated with air port and air outlet.
6. the sealed outdoor lighting lamp with led light source module according to claim 3, it is characterized in that: described base is half cylindrical shell that a cross section is semicircular arc, the two ends of half cylindrical shell are provided with vertical end wall, the arc diapire of base front portion forms heat dissipation metal substrate installation portion, this installation portion is offered some air ports of crossing, and crosses the air port and is provided with at interval and is separated by some arc strips along base half cylindrical shell length direction; Half arc body and two ends that described lid is the cross section semicircular in shape that matches with base are provided with vertical end wall, and lid rearward end end face sets out the air port.
7. the sealed outdoor lighting lamp with led light source module according to claim 3 is characterized in that: described heat dissipation metal substrate is the flexible flake that high-thermal conductive metal is made.
8. the sealed outdoor lighting lamp with led light source module according to claim 3 is characterized in that: described heat dissipation metal curved substrate radius is preferably 10mm～100mm.
9. the sealed outdoor lighting lamp with led light source module according to claim 3, it is characterized in that: the led support that also has many, every led support device respectively has several LED light-emitting components, led support is welded on the described heat dissipation metal substrate with SMD or plug-in type, and luminous unit of LED on the led support and the through hole on the substrate are staggeredly arranged
10. the sealed outdoor lighting lamp with led light source module according to claim 3, it is characterized in that: also comprise lamp holder, lamp socket, lamp holder is installed on the aft bulkhead of support body and is provided with the electric connection terminal that is electrically connected with described power supply unit, lamp socket has can ccontaining lamp holder and the containing cavity of support body rearward end, and the corresponding opening that connects with the support body air outlet of offering on the lamp socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201371893U CN201401699Y (en) | 2009-03-17 | 2009-03-17 | Closed outdoor lighting lamp with LED light source module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201371893U CN201401699Y (en) | 2009-03-17 | 2009-03-17 | Closed outdoor lighting lamp with LED light source module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201401699Y true CN201401699Y (en) | 2010-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201371893U Expired - Lifetime CN201401699Y (en) | 2009-03-17 | 2009-03-17 | Closed outdoor lighting lamp with LED light source module |
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| CN (1) | CN201401699Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915554A (en) * | 2021-11-01 | 2022-01-11 | 江苏波特灵智能科技有限公司 | Intelligent manufacturing lamp holder based on network technology |
-
2009
- 2009-03-17 CN CN2009201371893U patent/CN201401699Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915554A (en) * | 2021-11-01 | 2022-01-11 | 江苏波特灵智能科技有限公司 | Intelligent manufacturing lamp holder based on network technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100210 Effective date of abandoning: 20090317 |