EP2715219A1 - Reflector arrangement and halogen heating system - Google Patents
Reflector arrangement and halogen heating systemInfo
- Publication number
- EP2715219A1 EP2715219A1 EP12743361.3A EP12743361A EP2715219A1 EP 2715219 A1 EP2715219 A1 EP 2715219A1 EP 12743361 A EP12743361 A EP 12743361A EP 2715219 A1 EP2715219 A1 EP 2715219A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- carrier
- halogen
- concave
- halogen lamps
- 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
- F21V7/00—Reflectors for 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
-
- 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
- F21V29/56—Cooling arrangements using liquid coolants
-
- 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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0033—Heating devices using lamps
- H05B3/0038—Heating devices using lamps for industrial applications
Definitions
- the invention relates to a reflector arrangement of a halogen radiator heating system, which comprises a plurality of elongated, arranged in a group parallel to each other halogen lamps and in which the radiation is reflected by a arranged on one side of the radiator group metallic reflector to the other side of the radiator group. It also concerns a
- Halogen spotlight heating system having such a reflector arrangement.
- NIR or infrared heating systems are often used. These systems use elongate halogen lamps, of which certain types at the ends or contact points are angled by 90 °, thereby reducing the thermal stress at the contact points.
- the halogen lamps are i.d.R. arranged in parallel and sometimes have a relatively high performance.
- reflectors In order to focus the radiated power in one direction, i.d.R. behind the lamps reflectors are used, which focus the radiation forward.
- These reflectors also have a special geometric shape in many cases to focus the radiation in a particular shape.
- These radiator modules are also large in many cases, i. There are very many spotlights, often more than 50 pieces, arranged side by side. These radiator modules have high power depending on the radiator density and radiator output
- the radiation systems are often used in harsh industrial environments and therefore pollute very fast. This in turn reduces the reflectance and thus the efficiency of the Radiation system considerably.
- the reflector is subject to a high thermal load and must be actively cooled to operate usually with water or air in order to avoid destruction. In order to maintain these radiator modules, the reflector must be cleaned and polished frequently in order to obtain the reflector
- the invention is therefore based on the object, an improved
- Claim 1 solved. Advantageous further training are the subject of the dependent claims. It is further a halogen radiator heating system with a
- the invention is based on the consideration that the problems occurring in operation in commercially available halogen radiator heating systems are to be solved if ensured by a suitable geometric arrangement on the one hand good cooling of the reflectors and on the other hand easy replacement or a simple removal and reinserting after a cleaning is possible. It further includes the consideration to meet these as contradictory appearing requirements that the reflector assembly is constructed in several parts, in such a way that during operation good heat conduction between the different parts and a heat sink (air or
- Reflector arrangement a concave water or air cooled reflector carrier Guide rails and an interchangeable inserted into the reflector support exchange reflector element comprises, wherein the reflector support and the
- Interchangeable reflector element is quickly replaced.
- Designated reflector carrier which represent a guide for the edge of an inserted Desireflektktorianas.
- the invention describes a new type of
- Interchangeable reflectors which allow a quick replacement of reflector inserts, without reducing the cooling effect of the integrated reflector cooling.
- the replacement of this reflector insert can also without removing the
- Halogen lamps take place. This is essentially achieved in that only the heating of the reflector insert and the associated thermal
- Reflector carrier leads. In the cold state, however, there is game between
- the exchangeable reflector element is a reflector plate
- the interchangeable reflector element is designed as a resilient reflector sheet, in particular made of resilient aluminum or stainless steel.
- the easy interchangeability is given in particular in an embodiment in which the reflector support and the inserted exchange reflector element are each mirror-symmetrical to a mirror plane concave, on which a longitudinal axis of the elongated halogen radiator is perpendicular, and the
- the reflector support is designed such that it accommodates a plurality of reflector sheets, which are joined together in particular in a direction perpendicular to the longitudinal axis of the halogen lamps.
- the reflector carrier comprises
- Fixation rods which are inserted into the guide rails so that they clamp the adjacent edge of the alternating reflector element in the guide rail.
- the reflector carrier has a cooled
- the primary carrier matching uncooled secondary carrier which in turn has at least one concave surface and guide rails, in which the or a Clausreflector element is inserted so that heat is dissipated by the Kirreflektktorelement in the reflector carrier, whereas in the off state, there is no positive connection and the exchangeable reflector element is quickly exchangeable.
- the secondary carrier has a plurality of concave surfaces arranged side by side in a direction perpendicular to the longitudinal axis of the halogen lamps, in each of which a
- Interchangeable reflector element is inserted.
- the halogen lamps for generating radiation in the near infrared region have an intensity maximum between 0.8 mm and 2 mm.
- halogen lamps are used and which has a geometric configuration through which a radiation density in the range between 10kW / m2 and 1000kW / m2, in particular in the range between 50kW / m2 and 250kW / m2, is generated on the opening surface of the reflector assembly.
- the halogen spotlights have angled ends, and are supported in sockets located on either side outside the side edges of the reflector assembly.
- FIGS. 1A and 1B sketch-like representations of a first exemplary embodiment of the invention, as a sectional view in a plane parallel to the longitudinal axis of the halogen lamps, and FIGS. 1A and 1B sketch-like representations of a first exemplary embodiment of the invention, as a sectional view in a plane parallel to the longitudinal axis of the halogen lamps, and FIGS. 1A and 1B sketch-like representations of a first exemplary embodiment of the invention, as a sectional view in a plane parallel to the longitudinal axis of the halogen lamps, and FIGS
- Fig. 2 is a corresponding sketch-like representation of another embodiment of the invention.
- Figures 1A and 1B show a halogen radiator heating system (IR / NIR radiator module) comprising a plurality of elongate halogen radiators 5 as a radiator array in a parallel arrangement (perpendicular to the plane of the drawing) in two
- Fig. 1A shows the off (cold) state
- Fig. 1B shows the operating state (hot state).
- the IR / NIR radiator module has a cooled reflector support 1, 3, which has a concave surface and additional guide rails 8 for Reflektorblechfact.
- the reflector material 2 used is preferably a polished aluminum sheet which, if appropriate, has one or more coatings of aluminum, silver or gold for reflection enhancement, which may additionally be protected with a silicate layer. Such materials are commercially available from specialist dealers and are also widely used in lighting technology.
- the reflector insert 2 is geometrically designed so that it can be easily introduced in the cold state in the guide rails, possibly to produce a slight bias in the direction of the concave reflector support. There is no positive locking 4 at this time, and the reflector sheet 2 is thereby also easy to remove again. This is necessary for replacement or maintenance.
- the reflector plate 2 heats up very quickly due to the low mass and expands it.
- the cooled reflector carrier 1, 3 does not heat or only slightly due to the mass and the cooling and therefore remains dimensionally stable.
- the expansion of the reflector sheet thereby leads to a positive connection 4 between the reflector sheet 2 and
- Reflector support 1, 3 and thereby now the reflector sheet 2 is sufficiently cooled. However, this is continuously exposed to the radiation, and thus remains this positive connection and thus the cooling effect during radiation always obtained.
- This principle is synonymous with other sources of radiation than
- Halogen spotlight can be used.
- Reflector inserts are used, thus forming an enveloping geometry.
- FIG. 2 Another embodiment, as shown in sketch-like manner in Fig. 2, is given by a "mold-in-form" construction, in which there is a cooled primary support 1, 3 and an uncooled secondary support 7.
- the reflector sheets are inserted into this uncooled support 7 as described above
- a plurality of reflector sheets 2 are used, which are intended
- the invention has, at least in appropriate embodiments, incidentally, the following aspects:
- Interchangeable reflector concept for halogen-based heating systems wherein the radiation from a plurality of parallel halogen lamps whose radiation is reflected back from a metallic reflective reflector forward, characterized in that
- Reflective support is received, such that by the heating of the
- the reflector support is designed such that it can accommodate several reflector sheets side by side.
- the reflector sheet has a thickness between 0.2 mm and 2 mm
- the uncooled reflector support can accommodate a plurality of reflector sheets, which are arranged such that the reflected radiation generates a desired and directed radiation distribution.
- the reflector plate assembly is aligned parallel to the radiators, thereby allowing better alignment of the resulting reflected radiation.
- the halogen lamps used have a radiation maximum between 0.8 ⁇ and 2 [im.
- the radiation module receives a plurality of radiators and the reflector plate length are up to more than 1 m.
- the reflection surface is composed of several individual reflector sheets.
- the halogen lamps used have a radiation density between 10 kW / m 2 and 1000 kW / m 2 , preferably a radiation density between 50kW / m 2 and 250 kW / m 2 .
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)
- Road Signs Or Road Markings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011103357A DE102011103357A1 (en) | 2011-05-27 | 2011-05-27 | Interchangeable optical |
PCT/DE2012/000567 WO2012163333A1 (en) | 2011-05-27 | 2012-05-29 | Reflector arrangement and halogen heating system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2715219A1 true EP2715219A1 (en) | 2014-04-09 |
EP2715219B1 EP2715219B1 (en) | 2018-11-21 |
Family
ID=46614268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12743361.3A Active EP2715219B1 (en) | 2011-05-27 | 2012-05-29 | Reflector arrangement and halogen lamp heating system |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2715219B1 (en) |
CN (1) | CN103842716B (en) |
DE (1) | DE102011103357A1 (en) |
HU (1) | HUE041748T2 (en) |
WO (1) | WO2012163333A1 (en) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE340257B (en) * | 1968-11-13 | 1971-11-15 | Infraroedteknik Ab | |
GB2349684B (en) * | 1996-08-02 | 2001-01-17 | Nordson Corp | Lamp assembly |
US6242717B1 (en) * | 1999-08-30 | 2001-06-05 | Lucent Technologies Inc. | Removable reflector rack for an ultraviolet curing oven |
DE10051642B4 (en) * | 2000-10-18 | 2009-06-25 | Advanced Photonics Technologies Ag | irradiation device |
DE10052197A1 (en) * | 2000-10-20 | 2002-05-02 | Advanced Photonics Tech Ag | To fix dyes at woven fabric piecegoods, and especially dye pastes, the dyed fabric is exposed to infra red radiation in a combined drying and fixing stage to give increased resistance to color fading |
US7075037B2 (en) * | 2001-03-02 | 2006-07-11 | Tokyo Electron Limited | Heat treatment apparatus using a lamp for rapidly and uniformly heating a wafer |
US6720566B2 (en) * | 2002-08-20 | 2004-04-13 | Miltec Corporation | Shutter for use with a light source |
DE20304747U1 (en) * | 2003-03-24 | 2003-07-31 | Baier Uv Gmbh & Co Kg | Captive holder for reflective plates in reflector cooling profiles in radiation dryers holds reflector plate against cooling profile by suitably shaped holding strip, captive attachment elements |
DE102006028702B4 (en) * | 2006-06-22 | 2009-06-25 | Advanced Photonics Technologies Ag | irradiation device |
JP2008060204A (en) * | 2006-08-30 | 2008-03-13 | Nec Lcd Technologies Ltd | Led back light unit and liquid display device using the same |
-
2011
- 2011-05-27 DE DE102011103357A patent/DE102011103357A1/en not_active Withdrawn
-
2012
- 2012-05-29 EP EP12743361.3A patent/EP2715219B1/en active Active
- 2012-05-29 HU HUE12743361A patent/HUE041748T2/en unknown
- 2012-05-29 WO PCT/DE2012/000567 patent/WO2012163333A1/en active Application Filing
- 2012-05-29 CN CN201280037484.6A patent/CN103842716B/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2012163333A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2012163333A1 (en) | 2012-12-06 |
CN103842716A (en) | 2014-06-04 |
DE102011103357A1 (en) | 2012-11-29 |
HUE041748T2 (en) | 2019-05-28 |
EP2715219B1 (en) | 2018-11-21 |
CN103842716B (en) | 2016-02-17 |
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