CN103314251A - Light shielding device and light source device - Google Patents

Light shielding device and light source device Download PDF

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Publication number
CN103314251A
CN103314251A CN201280005498XA CN201280005498A CN103314251A CN 103314251 A CN103314251 A CN 103314251A CN 201280005498X A CN201280005498X A CN 201280005498XA CN 201280005498 A CN201280005498 A CN 201280005498A CN 103314251 A CN103314251 A CN 103314251A
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CN
China
Prior art keywords
occulter
inclination attitude
planar section
light
illuminator
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Pending
Application number
CN201280005498XA
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Chinese (zh)
Inventor
角波雅之
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GS Yuasa International Ltd
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GS Yuasa International Ltd
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Publication of CN103314251A publication Critical patent/CN103314251A/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/16Cooling; Preventing overheating
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/20Lamp housings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0213Venting apertures; Constructional details thereof

Abstract

This light shielding device works to assure ventilation and sufficiently suppress leakage of light rays while suppressing increases in component costs as much as possible. Light shielding bodies (51) are provided for allowing ventilation and shielding from the passage of light rays. The light shielding bodies (51) are constituted by being provided with a plurality of sloped attitude parts (51a) bent with a sloped attitude and partially separated from a flat surface part of a sheet material in a state of being lined up in a specified direction with substantially the same attitudes. The light shielding bodies (51), which have the same shape, are disposed in an attitude such that the direction in which the sloped attitude parts (51a) on each of the light shielding bodies (51) are lined up, and three or more are lined up in the direction of the thickness of the flat surface parts. The constitution is such that the plurality of light shielding bodies (51) is lined up in a state where the orientation of the slope of the sloped attitude parts (51a) is alternately reversed.

Description

Shade and light supply apparatus
Technical field
The present invention relates to a kind of shade that possesses the ventilation of allowing and be used for covering the occulter that light passes through, also relate to a kind of light supply apparatus, in this light supply apparatus, in the device framework, possesses illuminator, be used for cooling off the side that the discharge of cooling air of described illuminator or inhalant exhaust outlet or air entry are formed on described device framework, described exhaust outlet or air entry possess allow described cooling air by and be used for covering the occulter of the ejaculation light of described illuminator.
Background technology
In the described light supply apparatus that possesses shade, as the device that uses the illuminator mainly send visible light, such as projecting apparatus etc. is arranged, as use mainly send ultraviolet light illuminator (namely, ultraviolet lamp) device for example has ultraviolet lamp.Ultraviolet lamp is used in that the dry through of the black liquid that is coated with in the ink-jet printing apparatus is processed, among various purposes such as matting of the treatment process of semiconductor element and then various parts.
In such light supply apparatus, for cools light source lamp or other peripheral part etc., mostly in the device framework, cooling air is flowed, possess exhaust outlet or air entry in the side of device framework, carry out discharge or the suction of this cooling air.
Such exhaust outlet or air entry are mostly near the illuminator setting, thereby the ejaculation light that requires as far as possible to block illuminator spills outside the device framework from exhaust outlet or air entry.
For this reason, as record in the following patent documentation 1, possesses for example what is called of the structure of the sheet material of alignment arrangements inclination attitude " shutter " on framework at exhaust outlet or air entry in a lot of situations.
Technical literature formerly
Patent documentation
Patent documentation 1: TOHKEMY 2006-162840 communique
But, so-called shutter is being configured in the formation of exhaust outlet or air entry, by its shape is made an effort, thereby can realize cooling air ventilation guarantee the inhibition that spills with the ejaculation light of illuminator, but, exist the unfavorable condition that causes cost of parts to rise.
Therefore, the present application people is in order to eliminate above-mentioned unfavorable condition, with the punch metal (punching metal) of exhaust air quantity adjustment usefulness or in order to remove the black liquid that disperses from shone thing and the filter deployment that arranges in exhaust outlet or air entry, attempt suppressing to penetrate spilling of light, the result has distinguished: in the situation that punch metal, if make eyelet thin to suppressing to penetrate spilling of light, then can't guarantee aeration; And in the situation that filter, unlike punch metal, eyelet is attenuated just can suppress to penetrate spilling of light, but stop up owing to the black liquid that disperses produces eyelet, still there is the problem that can't guarantee aeration.
In addition, also attempted flat board is provided with the shadow shield of rake and air flue merely to make its rake become overlapping two of reverse mode, and it is disposed at the structure of exhaust outlet or air entry, but still can't suppress to penetrate spilling of light, also consider to make these two shadow shields with phase difference and become the methods such as reverse, but because with phase difference, can't make the shape of two shadow shields identical, for when guaranteeing aeration, suppress to penetrate spilling of light, the free degree of the configuration design of shadow shield also diminishes, and has distinguished still to exist the problem that causes cost of parts to rise.
In addition, as other method, in order to suppress to penetrate spilling of light, also attempted at the rake of shadow shield the side cover being set, but, for rake and side cover is set at a sheet material, just need the unnecessary processing such as welding or processing and forming, distinguished still to have the problem that causes cost of parts to rise.
Summary of the invention
The present invention proposes in view of above-mentioned truth, and its purpose is, in the rising that as far as possible suppresses cost of parts, the abundant inhibition this point that spills with light realizes guaranteeing ventilating.Especially, the object of the invention is to, be provided with near lamp in the light supply apparatus of exhaust outlet or air entry, the abundant inhibition this point that spills with light realizes guaranteeing ventilating.
The application's the 1st invention is a kind of shade, and it possesses the ventilation of allowing and is used for the occulter that obstructs the light and pass through, wherein,
Described occulter possesses planar section and inclination attitude partly consists of,
A plurality of described occulters have more than three towards alternately becoming the thickness direction arrangement formation of reverse state at planar section with the inclination partly of described inclination attitude.
Namely, with allow ventilation and the occulter with planar section and inclination attitude part that passes through of obstructing the light in alignment arrangements on the thickness direction of the planar section of occulter more than three, and make each occulter the inclination attitude part inclination towards alternately becoming oppositely.
The zone of light with regard to passing through so of inciding occulter appearred making in each occulter, and light shielding ability is not enough.Even with such occulter two of alignment arrangements on the thickness direction of above-mentioned planar section merely, the effect of shading is also not enough, in order to promote shaded effect, if make two with phase difference etc. and staggered in the position, then compare not staggered positions and only be merely during two of alignment arrangements, shaded effect improves, but still can not get the purpose shaded effect, and guaranteeing of aeration is also inadequate.
In addition, the staggered positions in order to allow two with phase difference etc. needs the shape of each shadow shield or to the change of the sectional fixture of device framework, the free degree of design diminishes, and the problem that also exists cost of parts to rise.
The present application people studies with keen determination for these problems, and the result at first finds, by three above occulters are arranged with above-mentioned posture, can effectively block the light of incident.
In addition, the application's the 2nd invention is except the formation of above-mentioned the 1st invention, and described occulter is the planar section partial cut from the sheet material and become inclination attitude by flexagon.
That is, such as form through slot etc. at sheet material, with a part of partial cut of sheet material, and the shape that to make this cut-away portions bending be inclination attitude, the preferable configuration of occulter is shown.
In addition, the application's the 3rd invention is except the formation of the above-mentioned the 1st or the 2nd invention, and described inclination attitude part is with same posture roughly and to arrange a plurality of states and to be equipped with formation at direction initialization.
It represents the preferable configuration of described inclination attitude part.
In addition, the application's the 4th invention is except the formation of the above-mentioned the 1st to the 3rd any one of inventing, a plurality of described occulters are same shapes, and are configured in the thickness direction of described planar section with the consistent posture of orientation of the described inclination attitude part on each described occulter.
It represents the preferable configuration of described a plurality of described occulters.
In addition, the application's the 5th invention is a kind of light supply apparatus,
In the device framework, possess illuminator,
Be used for cooling off the side that the discharge of cooling air of described illuminator or inhalant exhaust outlet or air entry are formed on described device framework,
Position in the way of the stream of described cooling air, possess allow described cooling air by and be used for blocking the occulter of the ejaculation light of described illuminator,
Wherein, described occulter possesses planar section and inclination attitude partly consists of,
A plurality of described occulters have more than three towards alternately becoming the thickness direction arrangement formation of reverse state at planar section with the inclination partly of described inclination attitude.
Namely, will for the ejaculation light that prevents illuminator from exhaust outlet or air entry spill configure, allow ventilation and the occulter that passes through, have planar section and inclination attitude part of obstructing the light in alignment arrangements on the thickness direction of the planar section of occulter more than three, and make each occulter the inclination attitude part inclination towards alternately becoming oppositely.
The zone of light with regard to passing through so of inciding occulter appearred making in each occulter, and light shielding ability is not enough.Even with such occulter two of alignment arrangements on the thickness direction of above-mentioned planar section, the effect of shading is also not enough, if make two with phase difference etc. and staggered in the position, then compare not staggered positions and only be merely during two of alignment arrangements, shaded effect improves, but still can not get the purpose shaded effect, guaranteeing of aeration is also inadequate.In addition, the staggered positions in order to allow two with phase difference etc. needs the shape of each shadow shield or to the change of the sectional fixture of device framework, the free degree of design diminishes, and the problem that also exists cost of parts to rise.
The present application people studies with keen determination for these problems, and the result at first finds, by three above occulters are arranged with above-mentioned posture, can effectively block the light of incident.
In addition, the application's the 6th invention is except the formation of above-mentioned the 5th invention, and described occulter and described exhaust outlet or described air entry approach configuration.
That is, the last position that spills to the outside of device framework with the ejaculation light of illuminator is that exhaust outlet or air entry approach and occulter is set, and thus, can carry out efficiently shading.
In addition, the application's the 7th invention is except the formation of the above-mentioned the 5th or the 6th invention, and the shape on the inclined plane of described inclination attitude part forms roughly rectangular shape.
That is, by making the shape of in general shutter, often using that is shaped as of inclination attitude part on the above-mentioned occulter, thus simple shape that can enough easy making, balance is guaranteed shading and ventilation well.
In addition, the application's the 8th invention is except the formation of above-mentioned the 5th to the 7th invention, and described occulter is the planar section partial cut from the sheet material and become inclination attitude by flexagon.
That is, such as form through slot etc. at sheet material, with a part of partial cut of sheet material, and the shape that to make this cut-away portions bending be inclination attitude, the preferable configuration of occulter is shown.
In addition, the application's the 9th invention is except the formation of above-mentioned the 5th to the 8th invention, and described inclination attitude part is with same posture roughly and to arrange a plurality of states and to be equipped with formation at direction initialization.
It represents the preferable configuration of described inclination attitude part.
In addition, the application's the 10th invention is except the formation of above-mentioned the 5th to the 9th invention, a plurality of described occulters are same shapes, and are configured in the thickness direction of described planar section with the consistent posture of orientation of the described inclination attitude part on each described occulter.
It represents the preferable configuration of described a plurality of described occulters.
The invention effect
According to above-mentioned the 1st invention, make the occulter that a plurality of (more than three) possess planar section and inclination attitude part, by with they simple structure with suitable posture alignment arrangements, guarantee ventilation, what obstruct the light passes through, therefore, can be in the rising that as far as possible suppresses cost of parts, the abundant inhibition that spills with light realizes guaranteeing ventilating.
According to above-mentioned the 2nd invention, only make occulter become inclination attitude from planar section partial cut and flexagon on the sheet material, do not need the unnecessary processing such as welding processing or processing and forming, can be made by straightforward procedure, therefore can suppress cost of parts as far as possible.
In addition, according to above-mentioned the 3rd invention, the inclination attitude of occulter part arranges to consist of with same posture roughly and at direction initialization to be had a plurality ofly, make easily thus, thereby can balance the well reduction of implement device cost and guaranteeing of necessary function.
In addition, according to above-mentioned the 4th invention, the consistent posture of orientation with each inclination attitude part, occulter in a plurality of same shapes of thickness direction configuration of the planar section of occulter, make thus easily, thus can balance the well reduction of implement device cost and guaranteeing of necessary function.
In addition, according to above-mentioned the 5th invention, make a plurality of (more than three) according to same shape and will possess the sheet material warpage processing of planar section and inclination attitude part and the occulter of the simple shape that forms, only pass through them with suitable posture alignment arrangements, just can with simple structure guarantee the ventilation, obstruct the light by, therefore, can be in the rising that as far as possible suppresses cost of parts, the abundant inhibition that spills with light realizes guaranteeing ventilating.
In addition, according to above-mentioned the 6th invention, the last position that spills to the outside of device framework with the ejaculation light of illuminator is that exhaust outlet or air entry approach and occulter is set, and thus, can carry out efficiently shading.
In addition, according to the application's the 7th invention, by making the shape of in general shutter, often using that is shaped as of inclination attitude part on the occulter, thus simple shape that can enough easy making, balance is guaranteed shading and ventilation well.
In addition, the 8th invention according to the application only makes occulter become inclination attitude from planar section partial cut and flexagon on the sheet material, does not need the unnecessary processing such as welding processing or processing and forming, can be made by straightforward procedure, therefore can suppress cost of parts as far as possible.
In addition, according to above-mentioned the 9th invention, the inclination attitude of occulter part arranges to consist of with same posture roughly and at direction initialization to be had a plurality ofly, make easily thus, thereby can balance the well reduction of implement device cost and guaranteeing of necessary function.
In addition, according to above-mentioned the 10th invention, the consistent posture of orientation with each inclination attitude part, occulter in a plurality of same shapes of thickness direction configuration of the planar section of occulter, make thus easily, thus can balance the well reduction of implement device cost and guaranteeing of necessary function.
Description of drawings
Fig. 1 is the figure that the inside of the ultraviolet lamp that relates to of expression top view embodiments of the present invention consists of.
Fig. 2 is that the figure that the inside of the ultraviolet lamp that embodiments of the present invention relate to consists of is observed in the expression side.
Fig. 3 is the figure of the ultraviolet lamp that relates to of expression viewed in plan embodiments of the present invention.
Fig. 4 is the stereogram of seeing from lower side of the configuration of the occulter that relates to of expression embodiments of the present invention.
The specific embodiment
Below, based on the embodiment of description of drawings light supply apparatus of the present invention.
In the present embodiment, as light supply apparatus, illustration ultraviolet lamp UR describes.
The ultraviolet lamp UR of present embodiment is installed on the professional print head with ink-jet printing apparatus and uses, when forming image at the scanning print head, mobile with this print head, the UV China ink liquid irradiation ultraviolet radiation to the image that forms makes the moment sclerosis of black liquid, drying thus.
Ultraviolet lamp UR such as indication device framework 1 in-built shown in Figure 1 mainly comprises the blowing unit 2, lamp unit 3, shutter unit 4 and the exhaust unit 5 that are configured in the device framework 1.For these unit, the unit is connected to each other, perhaps be fixed in the device framework 1 by omitting illustrated fixed part.Need to prove, in Fig. 1, in order to represent inner formation, with the STA representation that the part of part is suitably cut.
Device framework 1 forms rectangular shape, for convenience of explanation, Fig. 1 represents with the diagram of top view, and device framework 1 possesses: up and down a pair of top board 21 and base plate 22, pair of right and left right plate 23 and left plate 24, in Fig. 1 a pair of front side plate 25 and the back side side plate 26 (with reference to Fig. 2) parallel with paper.
Blowing unit 2 is shown in Figure 3 such as plan view, is that the fan 2a by contrarotating consists of, and it is the air entry 21a that forms of top board 21 and configuring that the suction side of fan 2a approaches in a side of device framework 1.
Outside by the rotation of fan 2a from device framework 1 attracts the air of coming, and as cooling air, blows towards lower side in the inside of device framework 1.
Under the top board 21 that exhaust unit 5 is located at device framework 1 and the exhaust outlet 21b (with reference to Fig. 3) of air entry 21a disposed adjacent, and the device framework 1 in and blowing unit 2 disposed adjacent, wherein, this exhaust unit 5 is to allow cooling air consist of as major part at the up-draft pipeline 5a of upper and lower.
This exhaust outlet 21b and air entry 21a are mainly used in discharge and the suction of cooling air, and this cooling air is used for the illuminators 6 of cooling 3 outfits in the lamp unit.
Such as Fig. 1 and shown in Figure 2,3 are equipped with the illuminator 6 with roughly bar-shaped outer shape in the lamp unit.The illuminator 6 of present embodiment is the ultraviolet lamp that penetrates the light of ultraviolet range.
Lamp unit 3 also possesses: make the ejaculation ultraviolet ray of illuminator 6 to a pair of speculum 7a, the 7b of the base plate 22 side light harvestings of device framework 1; A pair of mirror support 8a, 8b that this speculum 7a, 7b are supported respectively; And their are surrounded and configuration, overlook and be mouthful framework 3a of word shape.
Need to prove, the state of the ultraviolet lamp UR of the state that has unloaded left plate 24 is observed in Fig. 2 (a) expression from left plate 24 sides, near Fig. 2 (b) expression and the same direction of Fig. 2 (a) profile width central authorities that observe, device framework 1.In Fig. 2 (b), for easily with the aid of pictures, in thin sections such as front side plate 25 and back side side plates 26, suitably omitted the mark of the oblique line of expression section.
Illuminator 6 is such as shown in phantom in Figure 1, and the part that helps luminescence-utraviolet is drum, and integral body has roughly bar-shaped outer shape.At the long side direction both ends of illuminator 6, separate configuration is useful on high-tension pair of electrodes 6a, the 6b that applies discharge usefulness, and this electrode 6a, 6b are supported in terminal 3c, the 3d that is formed by leaf spring.
Near the framework 3a that runs through lamp unit 3 electrode 6a, the 6b on the illuminator 6, and outstanding to the outside of lamp unit 3.On framework 3a, with near the posture that covers electrode 6a, the 6b cooling air curtain-shaped cover member 9 is installed, the terminal 3c of supporting electrode 6a is installed on this cooling air curtain-shaped cover member 9.Cooling air curtain-shaped cover member 9 covers the cooling air from blowing unit 2, prevents that the electrode 6a of illuminator 6 is neighbouring by sub-cooled.
In the present embodiment, as mentioned above, for the relation on the print head that ultraviolet lamp UR is installed in ink-jet printing apparatus, the miniaturization that implement device consists of, illuminator 6 also uses the small-sized lamp of luminous length below 200mm.
Shutter unit 4 be for handover operation whether with the ejaculation ultraviolet ray of illuminator 6 from be adjacent to mutually shutter unit 4 under ultraviolet ray penetrate window 10 to the device framework 1 outside unit that penetrates.
In shutter unit 4, possess as major part: with shallow angle with the shutter 4a of rectangular three-layer metal panel to the shape of homonymy warpage; This shutter 4a is carried out the motor 4b of driven for opening and closing.
When shutter 4a overlooks to be made into roughly the space in the framework 4c of コ word shape be configured as movable range, under the posture of standing up that solid line represents in Fig. 2 (b), shutter 4a is positioned on the position that the open sides with the コ word of framework 4c stops up.When this stands up posture, be the state that shutter 4a opens, the space that the ultraviolet ray that illuminator 6 penetrates fences up by the shutter 4a by framework 4c and the posture of standing up.
Framework 4c is equipped with as suppressing the shadow shield that ultraviolet ray spills to other parts in the device framework 1, each face of one side in the space that ejaculation ultraviolet ray on the framework 4c, that face illuminator 6 is passed through is subjected to mirror finish, thereby suppresses from the ultraviolet reflection loss of illuminator 6 ejaculations.Ultraviolet face by the space side on the shutter 4a also with the above-mentioned mirror finish that is subjected to equally.
In the outside of framework 4c, in left plate 24 sides motor holding plate 46 is installed, in right plate 23 sides rotating shaft holding plate 44 is installed.
Motor 4b is configured in the lower side position of blowing unit 2 in the outside in the space that is surrounded by shutter 4a and framework 4c under the state that is held in motor holding plate 46.Motor holding plate 46 is stretched out on top at the setting position of motor 4b, prevent since near the ultraviolet ray of leaking the electrode 6a of the illuminator 6 directly over be positioned at so that the lifetime of motor 4b or related part.
The rotating shaft 41 that has passed through the motor 4b of reductor runs through framework 4c, and is installed on the fixed part 42 that is installed on shutter 4a end.
And then, with the fixed part 43 that installs the end that has the opposite side of side of fixed part 42 on, also possess rotating shaft 43a.
At rotating shaft holding plate 44 bearing 45 is installed, rotating shaft 43a runs through the longitudinal wall of framework 4c, and rotation is freely by above-mentioned bearing 45 supportings.
Rotating shaft 41 is disposed on the common axis of rotation core with rotating shaft 43a, and fixed part 42 and fixed part 43 are installed near the lower end of shutter 4a of the posture of standing up, the driven opening/closing device 4a swing by the driving of motor 4b.
By the rotary actuation of motor 4b, solid line represents in Fig. 2 (b) stands up between the approximate horizontal posture that posture and double dot dash line represent, switches driven opening/closing device 4a.
The posture of standing up that described such solid line represents is the posture of opening of described such shutter 4a, shutter 4a is under this opens posture, and the ejaculation ultraviolet ray that allows illuminator 6 is penetrated window 10 and penetrated to the outside of device framework 1 from being positioned at ultraviolet ray under the shutter unit 4.
On the other hand, the approximate horizontal posture that double dot dash line represents among Fig. 2 (b) is the sealing posture of shutter 4a, and under this sealing posture, shutter 4a becomes towards the side-prominent posture of illuminator 6.Shutter 4a blocks the ultraviolet ray of penetrating from illuminator 6 under this sealing posture, stop ultraviolet ray to penetrate window 10 from ultraviolet ray and penetrate to the outside of device framework 1.
Ultraviolet ray is penetrated window 10 and is formed as rectangular aperture on base plate 22.On window 10 was penetrated in ultraviolet ray, the mode that penetrates window 10 to cover ultraviolet ray was installed the light-passing board 11 that makes the quartz system that ultraviolet ray sees through.
In the above-described configuration, down blown to the location of motor 4b of the lower end side of device framework 1 by the cooling air in the blowing unit 2 suction apparatus frameworks 1, enter in the framework 4c of shutter unit 4 by a plurality of gaps between the unit, rise therefrom and after the cools light source lamp 6, discharge from exhaust outlet 21b by exhaust unit 5.
In exhaust unit 5, require to make from the lamp unit 3 rise the cooling air that comes by and discharge from exhaust outlet 21b, and the ejaculation ultraviolet ray that the illuminator 6 that spills such as far as possible suppresses from the space of the ventilation usefulness of lamp unit 3 spills outside device framework 1.
For this reason, position in the way of the stream of cooling air, be equipped with allow cooling air by and be used for blocking the shade SD of the ejaculation light (penetrating ultraviolet ray) of illuminator 6.The installation position of shade SD is near the position approaching with exhaust outlet 21b, upper end of exhaust unit 5 more particularly.
In the present embodiment, shade SD possesses the occulter 51 of three same shapes.
Shown in Figure 4 such as what represent as up observing the stereogram of occulter 51 from lower side, on occulter 51, to rectangular sheet metal, be コ word shape at its planar section 51b and form through slot, thereby partial cut, and this part flexagon become inclination attitude and form inclination attitude part 51a.Has roughly rectangular shape (more particularly, the inclination attitude part 51a on inclined plane poem writing paper shape), the long side on its inclined plane links to each other with the planar section 51b of occulter 51, and the opening 51c that forms by formation inclination attitude part 51a becomes the path that allows cooling air to pass through.Inclination attitude part 51a in the present embodiment, is about 45 degree with respect to the inclination angle of planar section 51b.
Have roughly that the inclination attitude part 51a on the inclined plane of rectangular shape forms with following state, that is, on the direction of the minor face of the opening 51c of rectangular shape, be arranged with a plurality of states with roughly the same posture.
Be formed with the fixing projection 51d that uses of rectangle at the ora terminalis of the long side of occulter 51, fixingly be embedded in the installing hole that forms at pipeline 5a with projection 51d by making this, thus fixing occulter 51 in pipeline 5a.
As shown in Figure 1, three occulters 51 are in the thickness direction alignment arrangements of above-mentioned planar section 51b, but in orientation, alternately change around longitudinal axis core 180 degree towards and configure, the inclination of inclination attitude part 51a towards becoming alternately.In other words, although consistent in the orientation of 51 inclination attitude parts of each occulter 51a,, be arranging towards alternately becoming reverse state with the inclination of inclination attitude part 51a.
Need to prove, in Fig. 4, for easily with the aid of pictures, illustrated is the interval that separates three occulters 51, but actual arrangement pitch is near shown in Figure 1.
(in addition embodiment)
Below, other embodiment of the present invention is described.
(1) in the above-described embodiment, in being arranged at the shade SD of exhaust unit 5, illustration arrange three occulters 51 and the situation of configuration, but also can be to arrange more than four and the formation of configuration.
(2) in the above-described embodiment, illustration the situation that occulter 51 is configured near exhaust outlet 21b, but in the situation that the configuration that the ejaculation light that is illuminator 6 easily spills from air entry 21a consists of, position in the way of the stream of cooling air also can be equipped with occulter 51 near air entry 21a.
(3) in the above-described embodiment, as the light supply apparatus illustration ultraviolet lamp U R, but be not limited to process ultraviolet light source, in needing the various machines of cools light source lamp, can be suitable for the present invention.
Symbol description
1 device framework
6 illuminators
The 21b exhaust outlet
51 occulters
51a inclination attitude part
The 51b planar section.

Claims (10)

1. shade, it possesses the ventilation of allowing and is used for the occulter that obstructs the light and pass through, wherein,
Described occulter possesses planar section and inclination attitude partly consists of,
A plurality of described occulters have more than three towards alternately becoming the thickness direction arrangement formation of reverse state at planar section with the inclination partly of described inclination attitude.
2. shade as claimed in claim 1, wherein,
Described occulter is the planar section partial cut from the sheet material and become inclination attitude by flexagon.
3. shade as claimed in claim 1 or 2, wherein,
Described inclination attitude part is with same posture roughly and to arrange a plurality of states and to be equipped with formation at direction initialization.
4. such as each described shade in the claims 1 to 3, wherein,
A plurality of described occulters are same shapes, and are configured in the thickness direction of described planar section with the consistent posture of orientation of the described inclination attitude part on each described occulter.
5. light supply apparatus,
In the device framework, possess illuminator,
Be used for cooling off the side that the discharge of cooling air of described illuminator or inhalant exhaust outlet or air entry are formed on described device framework,
Position in the way of the stream of described cooling air, possess allow described cooling air by and be used for blocking the occulter of the ejaculation light of described illuminator,
Wherein, described occulter possesses planar section and inclination attitude partly consists of,
A plurality of described occulters have more than three towards alternately becoming the thickness direction arrangement formation of reverse state at planar section with the inclination partly of described inclination attitude.
6. light supply apparatus as claimed in claim 5, wherein,
Described occulter and described exhaust outlet or described air entry approach configuration.
7. such as claim 5 or 6 described light supply apparatuses, wherein,
The shape on the inclined plane of described inclination attitude part forms roughly rectangular shape.
8. such as each described light supply apparatus in the claim 5 to 7, wherein,
Described occulter is the planar section partial cut from the sheet material and become inclination attitude by flexagon.
9. such as each described light supply apparatus in the claim 5 to 8, wherein,
Described inclination attitude part is with same posture roughly and to arrange a plurality of states and to be equipped with formation at direction initialization.
10. such as each described light supply apparatus in the claim 5 to 9, wherein,
A plurality of described occulters are same shapes, and are configured in the thickness direction of described planar section with the consistent posture of orientation of the described inclination attitude part on each described occulter.
CN201280005498XA 2011-04-20 2012-04-19 Light shielding device and light source device Pending CN103314251A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011093851 2011-04-20
JP2011-093851 2011-04-20
PCT/JP2012/060532 WO2012144542A1 (en) 2011-04-20 2012-04-19 Light shielding device and light source device

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CN109445136A (en) * 2018-07-25 2019-03-08 苏州市琳珂照明科技有限公司 Test the chopping mechanism of lamp box
CN112057665A (en) * 2020-09-18 2020-12-11 深圳思镁科技有限公司 Light leakage prevention supporting structure of UV light source of air sterilizer

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US10481477B2 (en) * 2016-01-08 2019-11-19 Maxell, Ltd. Projector apparatus
CN115185148A (en) * 2022-04-29 2022-10-14 赣州轰天炮显示电子科技有限公司 Air cooling and automatic air quantity adjusting projector of air inlet of projector

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CN109445136A (en) * 2018-07-25 2019-03-08 苏州市琳珂照明科技有限公司 Test the chopping mechanism of lamp box
CN112057665A (en) * 2020-09-18 2020-12-11 深圳思镁科技有限公司 Light leakage prevention supporting structure of UV light source of air sterilizer

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JPWO2012144542A1 (en) 2014-07-28

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Application publication date: 20130918