EP0409757B1 - Apparatus for ventilation and cooling of a housing support of an emitter - Google Patents
Apparatus for ventilation and cooling of a housing support of an emitter Download PDFInfo
- Publication number
- EP0409757B1 EP0409757B1 EP90470036A EP90470036A EP0409757B1 EP 0409757 B1 EP0409757 B1 EP 0409757B1 EP 90470036 A EP90470036 A EP 90470036A EP 90470036 A EP90470036 A EP 90470036A EP 0409757 B1 EP0409757 B1 EP 0409757B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- emitter
- tubes
- ventilation
- reflector
- reflectors
- 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 - Lifetime
Links
Images
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
-
- 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
-
- 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
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
Definitions
- the subject of the present invention is a ventilation and cooling device for a cassette supporting at least one transmitter, in particular UV, said transmitter being in the form of a rod placed substantially at the focus of a reflector consisting of a part of two longitudinal reflective walls arranged opposite and the other part of a longitudinal reflecting shield partially masking the junction between two walls of the same reflector, the neighboring walls of two contiguous reflectors joining in a sector in V.
- Cassettes of this type generally have a thickness close to 200 mm.
- Ventilation is ensured by a conventional fan placed on the back of the cassette.
- the cassettes cannot have a thickness greater than approximately 65 mm. Such a thickness no longer allows the use of a fan which, in any event, would cool only a small part of the elements of the cassette.
- the ventilation can be further optimized.
- the cassette generally referenced (1), essentially comprises a frame (2) and a cover (3).
- ventilation and cooling are provided by a plurality of perforated tubes (7), mutually parallel and parallel to the rods.
- These tubes can be of any section, for example cane, circular, rectangular, oval, etc.
- the ventilation between the shield and the reflector also has the function of maintaining an anti-pollution pressure above the treated products.
- the ventilation in the tubes (7) will be pressurized with adjustable flow rates, cane by cane.
- the air from the rods comes from a support ramp, not shown, and is evacuated on the radiating face of the cassette as on the back of the latter.
- the air is then taken upstream and downstream of said cassette by usual extraction means (2) to be evacuated or recycled.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Coating Apparatus (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Motor Or Generator Cooling System (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
Description
La présente invention a pour objet un dispositif de ventilation et de refroidissement pour cassette support d'au moins un émetteur, en particulier UV, ledit émetteur se présentant sous la forme d'une canne disposée sensiblement au foyer d'un réflecteur constitué d'une part de deux parois réflectées longitudinales disposées en vis à vis et d'autre part d'un bouclier longitudinal réfléchissant masquant partiellement l'interstice de jonction de deux parois d'un même réflecteur, les parois voisines de deux réflecteurs contigus se joignant selon un secteur en V.The subject of the present invention is a ventilation and cooling device for a cassette supporting at least one transmitter, in particular UV, said transmitter being in the form of a rod placed substantially at the focus of a reflector consisting of a part of two longitudinal reflective walls arranged opposite and the other part of a longitudinal reflecting shield partially masking the junction between two walls of the same reflector, the neighboring walls of two contiguous reflectors joining in a sector in V.
Des cassettes de ce type sont déjà connues et ont par exemple fait l'objet du brevet délivré EP 0 127 496 au nom du demandeur.Cassettes of this type are already known and have for example been the subject of patent issued EP 0 127 496 in the name of the applicant.
Les cassette de ce type ont en général une épaisseur voisine de 200 mm.Cassettes of this type generally have a thickness close to 200 mm.
La ventilation est assurée par un ventilateur classique disposé au dos de la cassette.Ventilation is ensured by a conventional fan placed on the back of the cassette.
Pour certaines applications spécifiques, telle que par exemple les sécheurs d'imprimerie sur papier ou sur toile, les cassettes ne peuvent avoir une épaisseur supérieure à 65 mm environ. Une telle épaisseur ne permet plus l'usage d'un ventilateur qui, en toute hypothèse, ne refroidirait qu'une petite partie des éléments de la cassette.For certain specific applications, such as for example printing dryers on paper or on canvas, the cassettes cannot have a thickness greater than approximately 65 mm. Such a thickness no longer allows the use of a fan which, in any event, would cool only a small part of the elements of the cassette.
Il est donc nécessaire de proposer un dispositif de ventilation et de refroidissement spécifique pour les cassettes supports d'émetteurs UV qui permette une utilisation normale de celles-ci.It is therefore necessary to propose a specific ventilation and cooling device for the UV emitter support cassettes which allows normal use thereof.
Conformément à l'invention, ce résultat est obtenu avec un dispositif de ventilation et de refroidissement pour cassette support d'au moins un émetteur, en particulier UV, ledit émetteur se présentant sous la forme d'une canne disposée sensiblement au foyer d'un réflecteur constitué d'une part de deux parois réflectrices longitudinales disposées en vis à vis et d'autre part d'un bouclier longitudinal réfléchissant masquant partiellement l'interstice de jonction de deux parois d'un même réflecteur, les parois voisines de deux réflecteurs contigus se joignant selon un secteur en V, caractérisé en ce qu'il consiste en un ou plusieurs tubes perforés de distribution d'air de refroidissement reliés à leurs extrémités respectives par des rampes formant collecteurs, le ou lesdits tubes étant sensiblement parallèles à la ou les cannes émettrices et étant disposés à l'extérieur des réflecteurs leurs axes étant sensiblement dans le même plan que ceux des cannes émettrices.According to the invention, this result is obtained with a ventilation and cooling device for a cassette supporting at least one transmitter, in particular UV, said transmitter being in the form of a rod placed substantially at the focus of a reflector consisting on the one hand of two longitudinal reflecting walls arranged opposite and on the other hand of a reflecting longitudinal shield partially masking the junction between two walls of the same reflector, the neighboring walls of two contiguous reflectors joining in a V-shaped sector, characterized in that it consists of one or more perforated cooling air distribution tubes connected at their respective ends by ramps forming collectors, the said tube or said tubes being substantially parallel to the one or more emitting rods and being arranged outside the reflectors, their axes being substantially in the same plan as those of the transmitting rods.
Grâce à d'autres modifications des cassettes et des émetteurs, qui seront explicitées ci-après, la ventilation pourra être encore optimisée.Thanks to other modifications to the cassettes and transmitters, which will be explained below, the ventilation can be further optimized.
On comprendra mieux l'invention à l'aide de la description faite ci-après d'un mode de mise en oeuvre donné à titre d'exemple non limitatif, en référence au dessin annexé qui est une vue en coupe transversale d'une cassette conforme à l'invention.The invention will be better understood with the aid of the description given below of an embodiment given by way of nonlimiting example, with reference to the appended drawing which is a cross-sectional view of a cassette. according to the invention.
La cassette, généralement référencée (1), comporte essentiellement un chassis (2) et un couvercle (3).The cassette, generally referenced (1), essentially comprises a frame (2) and a cover (3).
A l'intérieur de la cassette sont logés :
- des cannes émettrices UV (4) ;
- des réflecteurs (5)
- des boucliers (6)
- UV emitting rods (4);
- reflectors (5)
- shields (6)
Cette structure est strictement identique à celle du EP 0 127 496 et ne sera pas décrite plus en détail.This structure is strictly identical to that of EP 0 127 496 and will not be described in more detail.
Conformément à l'invention, la ventilation et le refroidissement sont assurés par une pluralité de tubes (7) perforés, parallèles entre eux et parallèles aux cannes.According to the invention, ventilation and cooling are provided by a plurality of perforated tubes (7), mutually parallel and parallel to the rods.
Ces tubes peuvent être de section quelconque, par exemple cannée, circulaire, rectangulaire, ovale, etc...These tubes can be of any section, for example cane, circular, rectangular, oval, etc.
La ventilation s'opérera par toutes les voies possibles à savoir :
- entre le bouclier et le réflecteur correspondant pour venir lécher l'émetteur par le dessus ;
- à la base extérieure des réflecteurs qui seront à cette fin munis de perforations par exemple au sommet (8) du V ou au bas (9) du réflecteur pour les portions longitudinales latérales ;
- au travers du couvercle (3) par des orifices (10) ménagés dans celui-ci.
- between the shield and the corresponding reflector to come and lick the transmitter from above;
- at the outer base of the reflectors which will be provided for this purpose with perforations, for example at the top (8) of the V or at the bottom (9) of the reflector for the longitudinal side portions;
- through the cover (3) by orifices (10) formed therein.
La ventilation entre le bouclier et le réflecteur a en outre pour fonction de maintenir une pression anti-pollution au dessus des produits traités.The ventilation between the shield and the reflector also has the function of maintaining an anti-pollution pressure above the treated products.
La ventilation dans les tubes (7) sera mise sous pression avec des débits réglables canne par canne. L'air des cannes provient d'une rampe support non représentée et est évacué sur la face rayonnante de la cassette comme au dos de celle-ci. L'air est alors repris en amont et en aval de ladite cassette par des moyens d'extraction habituels (2) pour être évacué ou recyclé. Il y a bien entendu équilibrage des flus et des pressions afin d'éviter toute montée ou descente en température qui soit assymétrique.The ventilation in the tubes (7) will be pressurized with adjustable flow rates, cane by cane. The air from the rods comes from a support ramp, not shown, and is evacuated on the radiating face of the cassette as on the back of the latter. The air is then taken upstream and downstream of said cassette by usual extraction means (2) to be evacuated or recycled. There is of course balancing of the streams and pressures in order to avoid any rise or fall in temperature which is asymmetrical.
Claims (5)
- A ventilation and cooling device for a cartridge supporting at least one emitter, in particular a UV emitter, said emitter being in the form of a rod arranged substantially at the focal point of a reflector consisting, on the one hand, of two longitudinal reflective walls arranged facing each other and, on the other hand, of a longitudinal reflecting shield partially masking the gap joining two walls of a same reflector, the neighboring walls of two adjacent reflectors meeting in a V-shaped sector, which device consists of one or more perforated cooling air-distribution tubes (7) connected at their respective ends by inclined plates forming collectors, said tube or tubes being substantially parallel to the emitting rod or rods and being arranged outside the reflectors (5), their axes being substantially in the same plane as the emitting rods.
- The device as claimed in claim 1, wherein the tubes (7) are parallel to each other and parallel to the emitting rods (4).
- The device as claimed in either of claims 1 and 2, wherein the tubes have a square, circular, rectangular or oval cross-section.
- The device as claimed in any one of claims 1 to 3, wherein the ventilation takes place:- between the shield and the corresponding reflector in order to lap against the emitter from above;- at the outer base of the reflectors which will, for this purpose, be provided with perforations, for example at the peak (8) of the V or at the bottom (9) of the reflector for the lateral longitudinal portions;- through the cover (3) by way of orifices (10) provided in the latter.
- The device as claimed in any one of claims 1 to 4, wherein the ventilation in the tubes (7) is pressurized at rates which can be adjusted for each rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90470036T ATE97220T1 (en) | 1989-07-17 | 1990-06-11 | VENTILATION AND COOLING DEVICE FOR A HOUSING SUPPORT OF A SPOTLIGHT. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8909748 | 1989-07-17 | ||
FR8909748A FR2649781B1 (en) | 1989-07-17 | 1989-07-17 | VENTILATION AND COOLING DEVICE FOR CASSETTE SUPPORT OF UV TRANSMITTERS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0409757A1 EP0409757A1 (en) | 1991-01-23 |
EP0409757B1 true EP0409757B1 (en) | 1993-11-10 |
Family
ID=9383950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90470036A Expired - Lifetime EP0409757B1 (en) | 1989-07-17 | 1990-06-11 | Apparatus for ventilation and cooling of a housing support of an emitter |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0409757B1 (en) |
JP (1) | JPH03174243A (en) |
AT (1) | ATE97220T1 (en) |
AU (1) | AU635946B2 (en) |
DE (1) | DE69004511D1 (en) |
FR (1) | FR2649781B1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5321595A (en) * | 1992-09-04 | 1994-06-14 | Amjo Infra Red Dryers, Inc. | Double bulb mercury vapor lamp apparatus |
JP3494684B2 (en) * | 1993-01-07 | 2004-02-09 | 富士写真フイルム株式会社 | Lamp temperature control device and color thermal printer using the same |
JP3393937B2 (en) * | 1994-10-18 | 2003-04-07 | 富士写真フイルム株式会社 | Lamp temperature control device and color thermal printer using the same |
CH690031A5 (en) * | 1994-11-30 | 2000-03-31 | Fast Drying Systems Fds S A | Industrial dryer lamp and reflector system for use in film polymerization, or ink and varnish drying, |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE303921C (en) * | ||||
DE3305173A1 (en) * | 1983-02-15 | 1984-08-16 | Technigraf GmbH, 6394 Grävenwiesbach | UV emitter having a long-arc discharge lamp and capable of forced air cooling |
FI841491A (en) * | 1983-04-25 | 1984-10-26 | Christian Lumpp | ANORDING FOR COMMANDING REFLECTION OF INFRARED ELLER ULTRAVIOLET STRAOLNING. |
-
1989
- 1989-07-17 FR FR8909748A patent/FR2649781B1/en not_active Expired - Lifetime
-
1990
- 1990-06-11 EP EP90470036A patent/EP0409757B1/en not_active Expired - Lifetime
- 1990-06-11 DE DE90470036T patent/DE69004511D1/en not_active Expired - Lifetime
- 1990-06-11 AT AT90470036T patent/ATE97220T1/en not_active IP Right Cessation
- 1990-07-16 AU AU59055/90A patent/AU635946B2/en not_active Ceased
- 1990-07-17 JP JP2189271A patent/JPH03174243A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH03174243A (en) | 1991-07-29 |
ATE97220T1 (en) | 1993-11-15 |
FR2649781B1 (en) | 1991-09-20 |
DE69004511D1 (en) | 1993-12-16 |
AU635946B2 (en) | 1993-04-08 |
EP0409757A1 (en) | 1991-01-23 |
FR2649781A1 (en) | 1991-01-18 |
AU5905590A (en) | 1991-01-17 |
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