CN102265087A - LED lighting device, in particular for tunnels - Google Patents

LED lighting device, in particular for tunnels Download PDF

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Publication number
CN102265087A
CN102265087A CN200980152549XA CN200980152549A CN102265087A CN 102265087 A CN102265087 A CN 102265087A CN 200980152549X A CN200980152549X A CN 200980152549XA CN 200980152549 A CN200980152549 A CN 200980152549A CN 102265087 A CN102265087 A CN 102265087A
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CN
China
Prior art keywords
lighting device
main body
basic main
led
described basic
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Granted
Application number
CN200980152549XA
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Chinese (zh)
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CN102265087B (en
Inventor
卡尔·曼蒂格尔
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Individual
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/767—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having directions perpendicular to the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V31/03—Gas-tight or water-tight arrangements with provision for venting
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/04—Provision of filling media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
    • 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]

Abstract

What is described is an LED lighting device (light emitting diode), in particular for tunnels. According to the invention, the device comprises a base body (2) with cooling lamella (3) at least on one of the sides thereof, LEDs (5) that are fastened to one side of the base body (2) and that are fed from the outside from an electrical energy source through one or more power lines (8), optionally light reflectors (6) disposed on the LEDs (5), and a transparent cover (4), wherein the base body (2) and the cover (4) form a hermetically sealed chamber and wherein the hermetically sealed inner chamber is connected to at least one expansion vessel.

Description

LED lighting device in particular for the tunnel
Technical field
The present invention relates to a kind of LED lighting device in particular for the tunnel, it has and is used to admit light-emitting diode structure, at least one reflector and lampshade.
Background technology
In the prior art, the LED lighting device is for example known by disclosures in Italian patent application TO2003A000673.In this lighting device, light path comprises the light source that is provided with a plurality of LED, be used to hold the structure of this light source, open side members, from light path, penetrate by the light beam that light source generates with permission, monitor device, especially current limiter or the rectifier of light source works, and be used for device to feeding light sources.In addition, also be provided with the device that is used to distribute the heat that produces by light source, make light source, be used to monitor the device of light source and be used for can being integrated into described structure inside to the device of feeding light sources.This heat abstractor contacts with the set plate thereon of LED, and this requires accurate the installation.For lighting device is installed in the tunnel, this lighting device also needs the lampshade of waterproof in addition, avoiding the intrusion of moisture and moisture, and damages lighting device thus.In addition, the lighting device extra high fastness of needs when continuous firing that is used for the tunnel.This requires to keep low temperature at the contact position place of light emitting diode, to prolong its service life.In addition, diode must be able to sustain the cleaning of spraying by water and/or steam.
Summary of the invention
Task of the present invention promptly at the solution of the problem that is associated with heat radiation, is to realize the lighting device in particular for the tunnel.
According to the present invention, this task solves by type noted earlier and lighting device that have the described feature of claim 1.
According to lighting device of the present invention mainly is to be used in the tunnel scope.In this environment, lighting device is subjected to the influence of moisture, dirt and aggressivity material.Especially serious is the aggressivity waste gas of motor vehicle emission.Therefore need be protected at this material.In order to guarantee this protection, the lighting device main body hermetic seals by an over cap, and LED and feed and adjusting electronic device are positioned at the inside of this over cap.The basis main body is so designed: the heat at the contact position place between LED and main body is outwards derived with useful mode and method.The main body of lighting device is designed to its side and has fin.This has guaranteed big heat exchange surface, has guaranteed that the heat and the outside that are produced by LED have best and directly heat exchange.Especially in the tunnel, air-flow often circulates owing to aerodynamic effects or ventilation equipment.This has improved the heat exchange of the heat of LED generation to the lighting device outside.The illumination main body is sealed by a transparent lampshade in LED one side.In this way, LED can directly not contact with environment, and the retaining element of the printed circuit board (PCB) of LED and the retaining element of printed circuit board (PCB) itself that includes the feed electronic device of LED can not contact with environment yet.According to the present invention, the pressure that forms in the inner space is compensated by Volume Changes.According to the present invention, this Volume Changes by compensation vessel realize, for example balloon or the bellows that link to each other with the inner space.In this way and method, avoided because ambient influnence or the damage or the erosion that cause owing to moisture.This makes lighting device have long service life, has reduced in addition and has safeguarded intervention.Because this structure, the inner member of lighting device can not contact with ectocine.In addition, lighting device can satisfy the IP-67 standard.Lighting device is formed by basic body, and it both had been used to hold the LED lamp, also was used for cooling element.It is even more important for the LED lamp, because its service life is relevant with the operating temperature of LED lamp.This cooling from the outside makes can bring up to above 100,000 working hours the service life of at present common LED lamp.In addition, also guaranteed when judder and strong voltage pulsation occurring, also can work.In addition, adopt LED to realize low average energy consumption on the one hand, the incandescent lamp of its average energy loss-rate routine will hang down and surpass 50%, makes than conventional incandescent lamp prolong above 20 times service life on the other hand.Use the LED lamp to reduce maintenance cost largely.The printed circuit board (PCB) of employed LED is provided so that it directly links to each other with the AC network of 230V, and inserts other external equipments in the middle of need not.LED connects by many ampere wires, makes them can be linked into respectively in the predetermined section or continuously and inserts, so that when replacing with night by day or can adapt to necessary brightness when emergency.
Description of drawings
This feature and the details that is used for the lighting device in tunnel provided by claim, and describes in the preferred embodiment shown in the accompanying drawing below.In the accompanying drawing:
Fig. 1 shows the schematic side elevation according to first kind of embodiment of the lighting device that is used for the tunnel of the present invention,
Fig. 2 shows the front view that is used for the lighting device in tunnel at embodiment shown in Figure 1 according to of the present invention,
Fig. 3 shows along the sectional view of the hatching line A-A among Fig. 1, and
Fig. 4 shows the chart of the service life of LED with the variations in temperature at its contact position place,
Fig. 5 shows along the sectional view of the straight line V-V among Fig. 6,
Fig. 6 shows the front view according to second kind of embodiment of the lighting device that is used for the tunnel of the present invention,
Fig. 7 shows along the sectional view of the hatching line VII-VII among Fig. 5, and
Fig. 8 shows the sectional view similar to Fig. 7 of the third embodiment.
The specific embodiment
The lighting device that is used for the tunnel is represented with Reference numeral 1 on the whole.The lighting device 1 that is used for the tunnel comprises basic main body 2 and transparent lampshade 4, and wherein said basic main body 2 is used as heat abstractor heat exchanger (cooling body) in other words, and it is provided with the fin 3 that is used to make the lighting device cooling; Described lampshade 4 makes the open segment closure of basic main body 2.Accommodate LED lamp 5 in basic main body 2, they directly contact with basic main body 2.This permission is transmitted to the heat convection current on the cold sink 3, and the area of dissipation of wherein basic main body 2 is increased.Be provided with reflector 6 in the side of LED lamp, these reflectors can make the light orientation.Retaining element 7 can be fixed to the retaining element 20 of LED lamp and reflector on the basic main body 2.LED, be that the electrical connection 8 of the part or all of feed of lighting device is constructed to satisfy safety standard, waterproof and heat-resisting when turning on light for example.Expansion vessel 9 be constructed to make the gas of body interior of lighting device at it because variations in temperature and being admitted between the phase of expansion or when heat is transmitted on the lighting device main body.
Lighting device 1 according to the present invention has the inner space 10 of airtight sealing, and itself and the external world do not have exchange effect.But this inner space blanketing gas and/or air are especially filled inert gas, and it has improved the service life of LED lamp 5 and inner building block.Pressure oscillation for fear of the inner space in 10, dilatable gas and/or air are full of expansion vessel 9 when heating, and this expander has avoided the pressure in the lighting device main body to descend when this gas and/or air cooling.The explosion of covering glass or closed glass has been avoided in the space of this sealing, and the pressure saltus step of lighting device internal part, also avoided the moisture that may exist simultaneously, this moisture may invade in the lighting device and cause the erosion damages and/or the short circuit of electrical equipment.
Reflector 6 can realize making the effect of beam direction, especially can form the beam of the identical shaped and good directive property of tool.This especially can bring tangible advantage in the tunnel that is used for vehicle.Light beam may be oriented the road that illuminates on the vehicle heading, and can not produce glare effect dangerous for the driver.Wherein light beam is not restricted on lateral.In addition, the lighting device of air-tightness sealing allows to adopt the cleaning means of rapid onset to external world, for example sprays water with high pressure or similar means, is used to clean transparent surface, with avoid hindering and/or the tunnel that slows down in remainder stroke.
Periphery around lampshade 4 (Fig. 3) has formed groove 11 in useful mode, and it can make condensed water flow out from the main body of lamp.
Figure 3 illustrates the cross section according to LED matrix of the present invention, especially can see, the LED on the basic main body 2 has directly with cold sink 3 and contacts, and it can keep the alap temperature of LED.As by as shown in the chart of Fig. 4, significantly improve along with decrease of temperature the service life of LED.
In second kind of embodiment, different with first kind of embodiment is only to show and first kind of part that embodiment is different.
In according to Fig. 5, second kind of embodiment of 6 and 7, expansion vessel is made of folding bellows 29, it makes bellows inside link to each other with inner space 10 by the connecting hole 32 on the pedestal of admitting mouth 31 by tightening in the admittance mouth 31 that is set to basic main body 2 with seal 30.
Folding bellows 29 are closed, with the damage of avoiding external action to cause by protection grid 33 and/or cover cap 34.
As by seeing among Fig. 7, in admitting mouth 31, a balloon 39 can be set also.
All can provide a large amount of variants for all embodiment, to improve the effect of device of the present invention:
Lampshade 4 can be fixed on the basic main body 2 by geometrical clamp 36, comes off to avoid lampshade 4.
Reflector 6 can point to direction arbitrarily, for example represents with 6 ' of lateral in Fig. 7.

Claims (14)

1. the LED in particular for the tunnel (light emitting diode) lighting device is characterized in that this lighting device has:
Basis main body (2), described basic main body has the cold sink (3) that is arranged on described basic main body one side at least;
LED (5), described LED are fixed on the side of described basic main body (2), and from the outside by one or more ampere wires (8) from power supply by feed;
This lighting device may also have:
Reflective optical system (6), described reflective optical system are set at described LED (5) and locate; And
Transparent lampshade (4),
Wherein said basic main body (2) and described lampshade (4) form bubble-tight space, and the inner space of air-tightness sealing links to each other with at least one expansion vessel.
2. lighting device as claimed in claim 1 is characterized in that, described expansion vessel is expansion balloon and/or expansion bellows.
3. lighting device as claimed in claim 1 is characterized in that, described lighting device preferably is made of the light emitting diode on the heat-conducting plate that is arranged on the coincident circuit design, is used for working on the AC network of 230V.
4. lighting device as claimed in claim 1 is characterized in that, described basic main body (2) has the guide opening of arranging in a longitudinal direction, to make the light emitting diode orientation when mounted.
5. lighting device as claimed in claim 1 is characterized in that, described basic main body (2) has around the groove of arranging, and is used to admit transparent lampshade (4).
6. lighting device as claimed in claim 1 is characterized in that, described basic main body (2) is hermetic sealed by described transparent lampshade (4).
7. lighting device as claimed in claim 1, it is characterized in that described basic main body (2) has drip cap or groove (11), described drip cap or groove directed downwards in its neighboring area, under the permission water droplet, and avoid water to enter into the direction of Transparent lamp shade.
8. lighting device as claimed in claim 1 is characterized in that, the inside of described lighting device is provided with the reflector that has highly reflective minute surface, and especially shock resistance ground is provided with.
9. lighting device as claimed in claim 8 is characterized in that, described specular reflector is made of each trapezoidal cross-section or continuous profile with the depression that is used to hold LED.
10. lighting device as claimed in claim 1, it is characterized in that, described expansion vessel is made of folding bellows (29), should fold bellows by tightening in the admittance mouth (31) that is set at described basic main body (2), and make bellows inside link to each other with described inner space (10) by the connecting hole (32) on the pedestal of this admittance mouthful (31) with seal (30).
11. lighting device as claimed in claim 10 is characterized in that, described folding bellows (29) are closed by protection grid (33) and/or cover cap (34), with the damage of avoiding ectocine to cause.
12. lighting device as claimed in claim 1, it is characterized in that, in the admittance mouth (31) of described basic main body (2), be provided with the balloon (39) that forms described expansion vessel, make balloon inside link to each other with described inner space (10) by the connecting hole (32) on the pedestal of this admittance mouthful (31).
13. lighting device as claimed in claim 1 is characterized in that, described lampshade (4) is fixed on the described basic main body (2) by geometrical clamp (34).
14. lighting device as claimed in claim 1 is characterized in that, described reflector (6) points to direction arbitrarily.
CN200980152549.XA 2008-11-06 2009-11-03 Led lighting device, in particular for tunnels Expired - Fee Related CN102265087B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITBZ2008A000046A IT1391544B1 (en) 2008-11-06 2008-11-06 LED LIGHTING DEVICE (LIGHT EMITTING DIODE = DIODE EMITTER OF LIGHT), IN PARTICULAR FOR TUNNELS.
ITBZ2008A046 2008-11-06
PCT/IB2009/007284 WO2010052538A1 (en) 2008-11-06 2009-11-03 Led lighting device, in particular for tunnels

Publications (2)

Publication Number Publication Date
CN102265087A true CN102265087A (en) 2011-11-30
CN102265087B CN102265087B (en) 2015-05-27

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CN200980152549.XA Expired - Fee Related CN102265087B (en) 2008-11-06 2009-11-03 Led lighting device, in particular for tunnels

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EP (1) EP2350522B1 (en)
CN (1) CN102265087B (en)
IT (1) IT1391544B1 (en)
WO (1) WO2010052538A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010001931A1 (en) 2010-02-15 2011-08-18 Osram Gesellschaft mit beschränkter Haftung, 81543 Lamp with gas filling
AT510287B1 (en) * 2010-11-18 2012-03-15 Rosenitsch Harald Ing LED SECURITY LIGHT
NL2006013C2 (en) * 2011-01-14 2012-07-17 Nedap Nv LIGHTING LIGHTS FOR LIGHTING ENVIRONMENTS THAT EXPLOSION HAZARD CAN EXIST.
DE102011052580A1 (en) 2011-08-11 2013-02-14 Hella Kgaa Hueck & Co. Outdoor light with corrosion protection
EP2930416A1 (en) 2014-03-07 2015-10-14 Andrii Bodnar LED fixture housing
DE202017105803U1 (en) * 2017-09-25 2019-01-09 Rehau Ag + Co lighting device

Citations (5)

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Publication number Priority date Publication date Assignee Title
US3854040A (en) * 1973-08-06 1974-12-10 Gen Motors Corp Motor vehicle lamp assembly
US20040188593A1 (en) * 2003-03-20 2004-09-30 Patrick Mullins Photosensor control unit
US20050213328A1 (en) * 2004-01-28 2005-09-29 George Matheson Sealed housing unit for lighting system
US20060087838A1 (en) * 2004-10-25 2006-04-27 Zdenko Grajcar Light diffusion bar
US20070047229A1 (en) * 2005-08-30 2007-03-01 Sang Woo Lee LED module and line type LED illumination lamp using the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3325637A (en) * 1964-03-14 1967-06-13 Honda Gijutsu Kenkyusho Kk Dust-proof headlight assembly
ITTO20030673A1 (en) * 2003-09-04 2005-03-05 Space Cannon Vh S P A LED LIGHT BAR.
DE102005055257A1 (en) * 2005-11-19 2007-05-24 Volkswagen Ag Light e.g. vehicle light, has pressure equalization device with exterior arranged closed bulb housings whereby pressure equalization device is air tight container with variable volume

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3854040A (en) * 1973-08-06 1974-12-10 Gen Motors Corp Motor vehicle lamp assembly
US20040188593A1 (en) * 2003-03-20 2004-09-30 Patrick Mullins Photosensor control unit
US20050213328A1 (en) * 2004-01-28 2005-09-29 George Matheson Sealed housing unit for lighting system
US20060087838A1 (en) * 2004-10-25 2006-04-27 Zdenko Grajcar Light diffusion bar
US20070047229A1 (en) * 2005-08-30 2007-03-01 Sang Woo Lee LED module and line type LED illumination lamp using the same

Also Published As

Publication number Publication date
IT1391544B1 (en) 2012-01-11
CN102265087B (en) 2015-05-27
EP2350522B1 (en) 2014-07-09
WO2010052538A1 (en) 2010-05-14
EP2350522A1 (en) 2011-08-03
ITBZ20080046A1 (en) 2010-05-07

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Granted publication date: 20150527

Termination date: 20161103