EP3615861A1 - Leuchtenbaugruppe für eine hochspannungsfeste led-leuchte - Google Patents
Leuchtenbaugruppe für eine hochspannungsfeste led-leuchteInfo
- Publication number
- EP3615861A1 EP3615861A1 EP18719532.6A EP18719532A EP3615861A1 EP 3615861 A1 EP3615861 A1 EP 3615861A1 EP 18719532 A EP18719532 A EP 18719532A EP 3615861 A1 EP3615861 A1 EP 3615861A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- led
- luminaire
- assembly according
- insulating
- air gap
- 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.)
- Granted
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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
-
- 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
- F21V25/00—Safety devices structurally associated with lighting devices
-
- 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
- F21V29/15—Thermal insulation
-
- 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
- F21V29/763—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 the direction of the light emitting axis
-
- 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
- F21W2131/103—Outdoor lighting of streets or roads
-
- 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]
Definitions
- the present invention relates to LED lights, and more particularly to high voltage LED street lighting lights.
- LED light emitting diodes
- LED modules with integrated driver electronics require a high standard with regard to the electrical noise immunity.
- electrical operating devices become more compact and often more susceptible to interference from asymmetric surge voltages.
- Asymmetric surge voltages often lead to failures of the electronics of LED lights. These are transient overvoltages, which are usually heavily attenuated and can last for several milliseconds or microseconds.
- electrostatic discharges English, electrostatic discharge, ESD
- Lightning strikes can cause asymmetric surge voltages of up to 30 kV. This often affects electrical operating devices or electronic ballasts (ECGs) for operating LED modules within LED luminaires.
- a lamp assembly for a high-voltage resistant LED lamp includes a support member, wel ⁇ ches is formed to be connected to the lamp housing of the LED lamp and to be at the same potential as the lamp housing.
- the high voltage resistant LED lamp further comprises a system assembly comprising an electrical operating ⁇ device and an LED module, and at least one Isolierele ⁇ ment, which is arranged between the system assembly and the support member.
- the system assembly is spaced from the support member by a predetermined clearance.
- the lamp assembly according to the present invention enables light ⁇ a simplified structure of a high-voltage resistant LED lamp, wherein an improved immunity against interference voltages asymmetri ⁇ rule is achieved.
- the air gap implements an isolation barrier.
- the insulation barrier is implemented by an air gap in ⁇ simplifies the complexity of the LED lamp.
- the distance of the system assembly to the luminaire housing, ie the isolation barrier or the length of the air gap, can be defined variably by the selection of suitable insulation elements, whereby the extent of noise immunity can be flexibly adapted to these ⁇ related requirements of the LED light. This reduces necessary tooling costs in the production and thereby enables a cost-effective and rapid construction and production of a high-voltage-resistant LED light.
- the air gap also realizes a thermal insulation of the lamp assembly relative to the lamp housing, which improves the life ⁇ life of the LEDs and the driver electronics, especially under outdoor conditions, such as sunlight.
- each insulating element of the at least one insulating element could be columnar in shape and have a length along a longitudinal axis which is not smaller than 0.5 cm, and optionally not smaller than 1.5 cm.
- the columnar design allows a compact design of the lamp assembly and improves immunity to ⁇ over asymmetric interference voltages.
- the insulating elements By dimensioning the insulating elements in the range 0.5 cm or larger or 1.5 cm or larger, on the one hand, sufficient insulation against interference voltages can be ensured.
- an isolation barrier may be provided that is sufficient for typical noise voltages in an outdoor environment. It may be desirable that the length is not much greater than the 0.5 cm or 1.5 cm, e.g. in the range 0.5 cm - 5 cm, or optionally in the range 1.5 cm - 2 cm. As a result, a compact design can be achieved.
- Two opposite fastening elements can mechanically each eingrei ⁇ fen in an end face of a column-shaped insulating, wherein the two fastening elements are electrically insulated from each other by the Isolierele-.
- each insulating element of the at least one insulating element may be free-standing and implement along its length the air ⁇ stretch.
- each insulator is formed free-standing and ent ⁇ long its length implements the air gap, the design of the lamp assembly can be made compact and mechanically stable kon ⁇ struiert and are particularly easy to adapt to different areas of the voltage ⁇ Störfesttechniksan Kunststoff.
- the support member may be plate-shaped and have a recess in which the system assembly is at least partially disposed. Characterized in that the support member is plate-shaped and has a recess into which the system assembly is at least partially disposed, the lamp assembly can be easily mounted in an LED light and also has a low installation height.
- the LED module and the mounting element can lie in one plane, which allows a flat design of the lamp assembly and a flat on the top LED light.
- a radial distance between the system board and a periphery of the recess may be along the entire circumference of the system board in the range from 50% - 150% of the length of the columnar ⁇ shaped insulating element lie, and especially optional in the range of 80% - 120% of the length of the columnar Isolation elements. In other words, this may mean that the distance between the recess and the system assembly is approximately equal to the length of the insulating member; As a result, noise immunity can be achieved by insulation.
- the radial distance in the range of 50% - 150%, optionally 80% - 120%, the length of the column-shaped insulating allows improved Störfes ⁇ activity against asymmetric interference voltages, in particular a slight adjustment of the lamp assembly to Störfesttechniksan petitionen the LED lamp and a Thermal insulation of the luminaire module with respect to the luminaire housing.
- the at least one isolation member can extend away from the holding ⁇ approximately element on a first side, said Sys ⁇ tembauè may be partially disposed on the first side at least, and wherein the LED module may be configured to provide a background illumination on one of the first Provide side opposite second page.
- a particularly integrated arrangement can be achieved.
- the system assembly may extend at least partially along the length of the at least one insulating member.
- system assembly is e.g. can extend parallel or adjacent to the insulating.
- the at least one insulating element may consist of a ceramic mate ⁇ rial, whereby the mechanical stability of the lamp assembly is increased.
- the lamp assembly may further comprise an LED holder to which the LED module is attached, and an ECG holding device to which the electric operating device is attached.
- the LED holding device can be spaced along the entire circumference of the LED holding device by a thermal air gap of the ECG holding device.
- the structure of the lamp assembly by means of an LED holder and an ECG holding device, which are spaced apart by a thermal air gap, additionally offers a double thermal decoupling.
- a length of the thermal air gap may optionally not be greater than 50% of the length of the air gap, further optionally not greater than 20% of the length of the air gap.
- the LED holder may comprise a heat sink with a plurality of cooling fins, on which an LED module is mounted, and which is connected by lateral mounting elements, which are arranged angularly and radially to the LED module, with the Garrungsele ⁇ ment.
- the heat sink can be arranged between the ECG holding device and the LED module, whereby the compactness of the light ⁇ tenbauè is increased.
- a fastener may engage both the LED fixture, the ECG fixture and an insulating member, thereby reducing the number of components required, which are necessary, the LED fixture, the ECG holding ⁇ device and the insulating elements together mechanically stable connect to.
- a high-voltage resistant LED lamp comprises at least one lamp assembly according to one of claims ⁇ forth before. For such light effects can be achieved, the ver ⁇ are comparable with the effects described above for the light assembly according to another aspect.
- the high-voltage resistant LED lamp may further include a VISIBLE LIGHT permeable light cover, which is spaced by the air gap of the system board, so that the LEDs be ⁇ Sonders protected by mechanical and chemical influences.
- VISIBLE LIGHT permeable light cover which is spaced by the air gap of the system board, so that the LEDs be ⁇ Sonders protected by mechanical and chemical influences.
- FIG. 1 shows a schematic representation of a luminaire construction group according to an exemplary embodiment.
- FIG. 2 shows a schematic plan view of the luminaire assembly of FIG. 1.
- FIG. 3 shows a schematic cross-sectional view of an insulating element according to one exemplary embodiment.
- FIG. 4 shows a schematic cross-sectional view of a high-voltage- resistant LED luminaire with the luminaire assembly of FIG. 1 according to one exemplary embodiment.
- the present invention relates to a light assembly 120 for a high-voltage-resistant LED light 100, wherein a system ⁇ assembly 300 includes at least one electrical operating device 310 and an LED module 320, wherein at least one insulating member 400 provides insulation between the system assembly 300 and the support member 200 ,
- a system ⁇ assembly 300 includes at least one electrical operating device 310 and an LED module 320, wherein at least one insulating member 400 provides insulation between the system assembly 300 and the support member 200 .
- FIG. 1 shows a schematic representation of a luminaire construction ⁇ group 120 according to an embodiment.
- a lamp assembly 120 is composed of a support member 200, at least two insulating elements 400, at least four Be ⁇ fastening elements 500, and a system board 300.
- the Sys ⁇ tembauè 300 includes a ballast 610 and a holding device LED holding device 620.
- the ECG holding device 610 is embodied in the form of a plate, and an electronic operating device 310 is mounted on the ECG holding device 610.
- the electronic operating device 310 may be connected to an AC supply line (not shown in FIG. 1) in order to provide a supply voltage and a supply current to a multiplicity of LED lighting devices 321.
- a state-of-the-art surge protector consisting of varistors for voltage clamping is used.
- the electronic operating device 310 may include an AC / DC converter that is configured to output a DC supply voltage to the LED lighting device 321 based on the AC supply voltage.
- the electronic control unit 310 may be configured as an LED converter ⁇ .
- the electronic operating device 310 may have a rectifier for rectifying the AC supply voltage, for example the mains voltage.
- the operating device 310 may further include a power factor correction circuit.
- a power factor correction circuit provides an output voltage to downstream components of the operating device 310.
- Another voltage conversion and / or dimming functions can be achieved, for example, via a DC / DC converter, which can be designed as an LLC resonant converter, and / or an output driver.
- a control device can fulfill various control or regulating functions, for example for implementing dimming commands, which are transmitted to the control device via a bus.
- the LED holding device 620 comprises a heat sink 621, which has a plurality of cooling fins and is connected to the insulating elements 400 with angular, lateral fastening elements 622.
- an LED module 320 is arranged with a plurality of LED bulbs.
- the LED module 320 is thermally coupled to the heat sink 621.
- the support member 200 and the side mounting members 622 are connected to two insulating elements 400 so that the insulating elements 400 with their end faces in each case the holding element ⁇ approximately 200 and the side mounting members 622 kontak- animals. In each insulating element 400 engage two fastening ⁇ elements 500 a.
- the insulating elements 400 are formed from a columnar ⁇ and have a length 401, wherein further each a fastener 500 engages in a front side of a Isolierelemen ⁇ tes 400.
- the length 401 of the insulating implemented advantage, the air gap 410, the system board 300 to the retaining element approximately ⁇ 200.
- the support member 200 is therefore separated by the insulators 400 of the system board 300th
- the system assembly 300 further extends along the longitudinal axis 420 of each insulating member 400, wherein the support member 200 is also plate-shaped and the system assembly 300 is at least partially disposed in the recess of the support member 200.
- the LED module 320 is located in the exporting ⁇ approximately example of Figure 1 in a plane with the Garrungsele ⁇ element 200 (in the example of Figure 1 this plane is oriented perpendicular to the plane of the drawing).
- the lamp assembly 120 is constructed such that the Sys ⁇ tembauè 300 by an air gap 410, which is shown by a dashed line, is spaced from the support member 200th
- An air gap is the shortest distance between two conductive components.
- the system assembly 300 is spaced along the entire circumference of the system assembly 300 by at least the air gap 410 from the support member 200.
- the air gap 410 is plemented in this embodiment, through the insulating members 400 in ⁇ , wherein the air gap along the longitudinal axis of the insulating members extends 400th
- FIG. 2 shows a schematic plan view of the luminaire assembly 120 of FIG. 1.
- the mounting element 200 has round or angular recesses for attachment to a light housing 110 (not shown in FIG. 2).
- Fasteners 500 are engaged with the Hal ⁇ esterification element 200 and the side mounting members 622nd In an annular recess 210 of the support member 200, the system assembly 300 is arranged.
- the LED module 320 comprising a plurality of LED luminous ⁇ means 321, mounted on a heat sink 621.
- the heat sink 621 is connected to the fasteners 500 via the side mounting members 622.
- the LED module 320 is arranged centrally in the annular recess 210 of the holding element 200.
- FIG. 3 shows a schematic cross-sectional view of an Iso ⁇ lierimplantations 400 according to an embodiment.
- the insulating element 400 is column-shaped and has a longitudinal axis 420, and two end faces 430. Along the longitudinal axis 420, the insulating member has a length 401. Further, the insulating member is formed so that fasteners 500 mechanically engage in the end faces 430.
- FIG 4 shows a schematic cross-sectional view of a high voltage resistant ⁇ LED lamp 100 with the lamp assembly 120 of Figure 1 according to an embodiment.
- the LED luminaire 100 comprises a luminaire housing 110 and a luminaire cover 130.
- the mounting element 200 is fastened to plate-shaped ends of the luminaire housing 110.
- the luminaire assembly 120 is arranged such that the system assembly 300 is separated from the luminaire housing 110 and the luminaire cover 130 by the air gap 410.
- the LED light can be designed such that they For example, such high surge voltages can occur when a lightning strike takes place in a street lamp instead of high asymmetric surge voltages up to 30 kV.
- a lamp assembly for an LED lamp and a high-voltage resistant LED light which at least one electrical operating device and an LED module um ⁇ grasp, at least one insulating an air gap between a system assembly, comprising the electric Be ⁇ instru- and the LED -Module, and a support member be ⁇ provides.
- the air path of the luminaire assembly for housing, that is, the isolation barrier can be variably defi ned ⁇ by the selection of appropriate insulating elements.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017207181.8A DE102017207181A1 (de) | 2017-04-28 | 2017-04-28 | Leuchtenbaugruppe für eine hochspannungsfeste LED-Leuchte |
| PCT/EP2018/060151 WO2018197350A1 (de) | 2017-04-28 | 2018-04-20 | Leuchtenbaugruppe für eine hochspannungsfeste led-leuchte |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3615861A1 true EP3615861A1 (de) | 2020-03-04 |
| EP3615861B1 EP3615861B1 (de) | 2020-12-30 |
Family
ID=62044716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18719532.6A Active EP3615861B1 (de) | 2017-04-28 | 2018-04-20 | Leuchtenbaugruppe für eine hochspannungsfeste led-leuchte |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3615861B1 (de) |
| AT (1) | AT16713U1 (de) |
| DE (1) | DE102017207181A1 (de) |
| WO (1) | WO2018197350A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3922908A1 (de) * | 2020-06-11 | 2021-12-15 | Signify Holding B.V. | Leuchtengehäuse |
| DE102021132818A1 (de) | 2021-12-13 | 2023-06-15 | Odelo Gmbh | Fahrzeugleuchte mit ESD Schutz |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1308670B1 (de) * | 2001-10-30 | 2010-01-06 | Centaurea Oy | Explosionsgeschützte Leuchte |
| KR101062052B1 (ko) * | 2010-07-02 | 2011-09-02 | 정태호 | 가로등 램프 |
| DE102012101411B4 (de) * | 2012-02-22 | 2016-02-18 | R.Stahl Schaltgeräte GmbH | Explosionsgeschützte Leuchte mit eingegossener Optik |
| CN204005312U (zh) * | 2014-03-24 | 2014-12-10 | 东莞高仪电子科技有限公司 | Led灯板、led灯板之高压脉冲保护电路及led灯具 |
-
2017
- 2017-04-28 DE DE102017207181.8A patent/DE102017207181A1/de not_active Withdrawn
- 2017-05-26 AT ATGM124/2017U patent/AT16713U1/de not_active IP Right Cessation
-
2018
- 2018-04-20 WO PCT/EP2018/060151 patent/WO2018197350A1/de not_active Ceased
- 2018-04-20 EP EP18719532.6A patent/EP3615861B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| AT16713U1 (de) | 2020-07-15 |
| WO2018197350A1 (de) | 2018-11-01 |
| DE102017207181A1 (de) | 2018-10-31 |
| EP3615861B1 (de) | 2020-12-30 |
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