CN102265087B - Led lighting device, in particular for tunnels - Google Patents
Led lighting device, in particular for tunnels Download PDFInfo
- Publication number
- CN102265087B CN102265087B CN200980152549.XA CN200980152549A CN102265087B CN 102265087 B CN102265087 B CN 102265087B CN 200980152549 A CN200980152549 A CN 200980152549A CN 102265087 B CN102265087 B CN 102265087B
- Authority
- CN
- China
- Prior art keywords
- lighting device
- basic body
- led
- described basic
- expansion vessel
- Prior art date
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to 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 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, and a transparent cover (4), wherein the base body and the cover form a hermetically sealed chamber and wherein the hermetically sealed inner chamber is connected to at least one expansion vessel. The expansion vessel is arranged in an acceptance opening (31) of the base body and is formed by a folding bellow (29). The expansion vessel is sealed by a protective grid (33) and a shroud (34) so as to avoid the possible damage caused by outside influence.
Description
Technical field
The present invention relates to a kind of LED light device in particular for tunnel, it has structure, at least one reflector and lampshade for receiving light emitting diode.
Background technology
In the prior art, LED light device is such as known by disclosures in Italian patent application TO2003A000673.In this lighting device, light path comprises the light source being provided with multiple LED, for holding the structure of this light source, open side members, penetrate from light path to allow the light beam generated by light source, the device of monitoring light source works, especially current limiter or rectifier, and for the device to feeding light sources.In addition, being also provided with the device for distributing the heat produced by light source, making light source, for monitoring the device of light source and inner for can be integrated into described structure to the device of feeding light sources.This heat abstractor contacts with plate thereon set by LED, and this requires accurate installation.In order to be arranged in tunnel by lighting device, this lighting device also needs the lampshade of waterproof in addition, to avoid the intrusion of moisture and moisture, and damages lighting device thus.In addition, the lighting device for tunnel needs extra high fastness when continuous firing.This requirement keeps low temperature at the contact position place of light emitting diode, to extend its service life.In addition, diode must can sustain the cleaning of being sprayed by water and/or steam.
Summary of the invention
Task of the present invention, namely for the solution with the problem be associated of dispelling the heat, is to realize the lighting device in particular for tunnel.
According to the present invention, this task by type noted earlier and the lighting device with following characteristics solve.The described LED in particular for tunnel (light emitting diode) lighting device has: basic body, and described basic body has the cold sink being at least arranged on described basic body side, LED, described LED is fixed on the side of described basic body, and passes through one or more ampere wires from outside from power supply by feed, this lighting device may also have: reflective optical system, and described reflective optical system is arranged on described LED place, and transparent lampshade, wherein said basic body and described lampshade form bubble-tight space, and the inner space that air-tightness is closed is connected with at least one expansion vessel, described expansion vessel is provided with in the receiving mouth of described basic body, described expansion vessel is made up of collapsing bellows, this collapsing bellows is arranged in the receiving mouth of described basic body by tightening with seal, inner bellows is connected with described inner space by the connecting hole on the pedestal of this receiving mouth, described collapsing bellows is closed by protection grid and cover cap, with the damage avoiding ectocine to cause.
Lighting device according to the present invention is mainly used within the scope of tunnel.In this environment, lighting device is subject to the impact of moisture, dirt and aggressive substances.Especially the seriously aggressivity waste gas of motor vehicle emission.Therefore need to be protected for this material.In order to ensure this protection, illuminator body is hermetic sealed by an over cap, and LED and feed and adjustment electronic device are positioned at the inside of this over cap.Basic body is so designed: the heat at the contact position place between LED and main body is outwards derived with method in a beneficial manner.The main body of lighting device is designed to its side and has fin.Which ensure that large heat exchange surface, ensure that there are best and direct heat exchange in the heat that produced by LED and outside.Especially, in tunnel, air-flow often circulates due to aerodynamic effects or ventilation equipment.Which increase the heat exchange of heat to lighting device outside of LED generation.Illumination body is closed by a transparent lampshade in LED side.In this way, LED directly can not contact with environment, the retaining element of the printed circuit board (PCB) of LED and include LED feed electronic device printed circuit board (PCB) itself retaining element also can not with environmental exposure.According to the present invention, the pressure formed in inner space is compensated by Volume Changes.According to the present invention, this Volume Changes is realized by compensation vessel, such as balloon or the bellows that are connected with inner space.In this way and method, avoid due to ambient influnence or the damage caused due to moisture or erosion.This makes lighting device have longer service life, decreases in addition and safeguards intervention.Due to this structure, the inner member of lighting device can not contact with ectocine.In addition, lighting device can meet IP-67 standard.Lighting device is formed by base matrix, and it is both for holding LED, also for cooling element.It is for even more important LED, because its service life is relevant with the operating temperature of LED.This cooling from outside makes to be increased to exceed 100,000 working hours the service life of LED common at present.In addition, also assures that and also to work when there is judder and strong voltage pulsation.In addition, adopt LED mono-aspect to achieve low average energy consumption, the incandescent lamp of its average energy loss-rate routine is low more than 50%, makes than conventional incandescent extend more than 20 times service life on the other hand.LED is used to reduce maintenance cost largely.The printed circuit board (PCB) of the LED used is provided so that it is directly connected with the AC network of 230V, and accesses other external equipments without the need to centre.LED is connected by many ampere wires, makes them to be linked in predetermined section respectively or to access continuously, can adapt to necessary brightness when replacing with night by day or when emergency.
Accompanying drawing explanation
Describe in the characteristic sum details of this lighting device for the tunnel preferred embodiment below shown in accompanying drawing.In accompanying drawing:
Fig. 1 shows the schematic side elevation of the first embodiment according to the lighting device for tunnel of the present invention,
Fig. 2 shows according to the lighting device for tunnel of the present invention front view in the embodiment shown in fig. 1,
Fig. 3 shows the sectional view along the hatching line A-A in Fig. 1, and
Fig. 4 shows the chart of service life with the variations in temperature at its contact position place of LED,
Fig. 5 shows the sectional view along the straight line V-V in Fig. 6,
Fig. 6 shows the front view of the second embodiment according to the lighting device for tunnel of the present invention,
Fig. 7 shows the sectional view along the hatching line VII-VII in Fig. 5, and
Fig. 8 shows the sectional view similar to Fig. 7 of the third embodiment.
Detailed description of the invention
Lighting device for tunnel represents with Reference numeral 1 on the whole.Lighting device 1 for tunnel comprises basic body 2 and transparent lampshade 4, and wherein said basic body 2 is used as heat abstractor heat exchanger (cooling body) in other words, and it is provided with the fin 3 for making lighting device cool; Described lampshade 4 makes the open segment of basic body 2 close.In basic body 2, accommodate LED 5, they directly contact with basic body 2.This allows by heat convect h on cold sink 3, and wherein the area of dissipation of basic body 2 is increased.The side of LED is provided with reflector 6, and these reflectors can make light directed.The retaining element 20 of LED and reflector can be fixed on basic body 2 by retaining element 7.The electrical connection 8 of the part or all of feed of LED, i.e. lighting device is constructed to meet safety standard, such as the waterproof and heat-resisting when turning on light.Expansion vessel 9 be constructed to make the gas of the body interior of lighting device its due to variations in temperature between the phase of expansion or on heat conduction to illuminator body time be accepted.
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.This inner space can blanketing gas and/or air, especially fills inert gas, which raises the service life of LED 5 and internal components.Pressure oscillation in inner space 10, when heating, dilatable gas and/or air are full of expansion vessel 9, and this expander avoids the pressure drop in illuminator body when this gas and/or Air flow.This closed space avoids the explosion of covering glass or closed glass, and the pressure saltus step of lighting device internal part, also avoid the moisture that may exist, this moisture may to invade in lighting device and to cause erosion damages and/or the short circuit of electrical equipment simultaneously.
Reflector 6 can realize the effect making beam direction, especially can form the beam of tool same shape and good directive property.This especially can bring obvious advantage in for the tunnel of vehicle.Light beam may be oriented the road illuminated on vehicle heading, and can not produce for glare effect dangerous driver.Wherein light beam is not restricted in a lateral direction.In addition, the lighting device that air-tightness is closed to external world allows the cleaning means adopting rapid-onset, such as, spray water with high pressure or similar means, for cleaning transparent surface, to avoid the remainder stroke hindering and/or slow down in tunnel.
Periphery around lampshade 4 (Fig. 3) defines groove 11 in a beneficial manner, 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 basic body 2 has with cold sink 3 and directly contacts, and it can keep the alap temperature of LED.As shown in by the chart of Fig. 4, the service life of LED significantly improves along with the decline of temperature.
In the second embodiment, with the first embodiment unlike, merely illustrate the part different from the first embodiment.
According to Fig. 5,6 and 7 the second embodiment in, expansion vessel is made up of collapsing bellows 29, it is by tightening with seal 30 and being set in the receiving mouth 31 of basic body 2, makes inner bellows pass through to receive the connecting hole 32 on the pedestal of mouth 31 to be connected with inner space 10.
Collapsing bellows 29 is made to be closed by protection grid 33 and/or cover cap 34, with the damage avoiding external action to cause wittingly.
As seen by Fig. 7, a balloon 39 also can be set in receiving mouth 31.
All a large amount of variants can be provided, to improve the effect of device of the present invention for all embodiments:
Lampshade 4 is fixed on basic body 2 by geometrical clamp 36, comes off to avoid lampshade 4.
Reflector 6 can point to arbitrary direction, such as, represent with 6 ' of lateral in the figure 7.
Claims (9)
1. a LED light device, is characterized in that, this lighting device has:
Basic body (2), described basic body has the cold sink (3) being at least arranged on described basic body side;
LED (5), described LED is fixed on the side of described basic body (2), and passes through one or more ampere wires (8) from outside from power supply by feed;
This lighting device also has:
Reflective optical system (6), described reflective optical system is arranged on described LED (5) place; And
Transparent lampshade (4),
Wherein said basic body (2) and described lampshade (4) form bubble-tight space, and the inner space that air-tightness is closed is connected with at least one expansion vessel, described expansion vessel is provided with in the receiving mouth (31) of described basic body (2), described expansion vessel is made up of collapsing bellows (29), this collapsing bellows is by tightening with seal (30) and be arranged in the receiving mouth (31) of described basic body (2), inner bellows is connected with described inner space (10) by the connecting hole (32) on the pedestal of this receiving mouth (31), described collapsing bellows (29) is closed by protection grid (33) and cover cap (34), with the damage avoiding ectocine to cause.
2. lighting device as claimed in claim 1, is characterized in that, described lighting device is made up of, for working on the AC network of 230V the light emitting diode on the heat-conducting plate being arranged on coincident circuit design.
3. lighting device as claimed in claim 1, it is characterized in that, described basic body (2) has the guide opening arranged in a longitudinal direction, to make light emitting diode directed when mounted.
4. lighting device as claimed in claim 1, is characterized in that, described basic body (2) has the groove around arrangement, for receiving transparent lampshade (4).
5. lighting device as claimed in claim 1, it is characterized in that, described basic body (2) is hermetic closed by described transparent lampshade (4).
6. lighting device as claimed in claim 1, it is characterized in that, described basic body (2) has drip cap or groove (11) in its neighboring area, and described drip cap or groove point to below, under allowing water droplet, and water is avoided to enter into the direction of Transparent lamp shade.
7. lighting device as claimed in claim 1, it is characterized in that, described lampshade (4) is fixed on described basic body (2) by geometrical clamp (34).
8. lighting device as claimed in claim 1, it is characterized in that, described reflective optical system (6) points to arbitrary direction.
9. lighting device as claimed in claim 1, is characterized in that, described LED light device is used for tunnel.
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 CN102265087A (en) | 2011-11-30 |
| CN102265087B true CN102265087B (en) | 2015-05-27 |
Family
ID=40951636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980152549.XA Expired - Fee Related CN102265087B (en) | 2008-11-06 | 2009-11-03 | Led lighting device, in particular for tunnels |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2350522B1 (en) |
| CN (1) | CN102265087B (en) |
| IT (1) | IT1391544B1 (en) |
| WO (1) | WO2010052538A1 (en) |
Families Citing this family (6)
| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854040A (en) * | 1973-08-06 | 1974-12-10 | Gen Motors Corp | Motor vehicle lamp assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3325637A (en) * | 1964-03-14 | 1967-06-13 | Honda Gijutsu Kenkyusho Kk | Dust-proof headlight assembly |
| US20040188593A1 (en) * | 2003-03-20 | 2004-09-30 | Patrick Mullins | Photosensor control unit |
| ITTO20030673A1 (en) * | 2003-09-04 | 2005-03-05 | Space Cannon Vh S P A | LED LIGHT BAR. |
| EP1711737B1 (en) * | 2004-01-28 | 2013-09-18 | Koninklijke Philips Electronics N.V. | Sealed housing unit for lighting system |
| US20060087838A1 (en) * | 2004-10-25 | 2006-04-27 | Zdenko Grajcar | Light diffusion bar |
| KR100516123B1 (en) * | 2005-08-30 | 2005-09-21 | 주식회사 누리플랜 | A line type led illumination lamp |
| 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 |
-
2008
- 2008-11-06 IT ITBZ2008A000046A patent/IT1391544B1/en active
-
2009
- 2009-11-03 WO PCT/IB2009/007284 patent/WO2010052538A1/en active Application Filing
- 2009-11-03 EP EP09774924.6A patent/EP2350522B1/en not_active Not-in-force
- 2009-11-03 CN CN200980152549.XA patent/CN102265087B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854040A (en) * | 1973-08-06 | 1974-12-10 | Gen Motors Corp | Motor vehicle lamp assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010052538A1 (en) | 2010-05-14 |
| EP2350522B1 (en) | 2014-07-09 |
| CN102265087A (en) | 2011-11-30 |
| IT1391544B1 (en) | 2012-01-11 |
| ITBZ20080046A1 (en) | 2010-05-07 |
| EP2350522A1 (en) | 2011-08-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20161103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |