CN204986923U - Light source device and projection type display device - Google Patents
Light source device and projection type display device Download PDFInfo
- Publication number
- CN204986923U CN204986923U CN201290001282.1U CN201290001282U CN204986923U CN 204986923 U CN204986923 U CN 204986923U CN 201290001282 U CN201290001282 U CN 201290001282U CN 204986923 U CN204986923 U CN 204986923U
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- Prior art keywords
- stream
- vacuum tube
- air
- flow path
- supply apparatus
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Classifications
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- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2026—Gas discharge type light sources, e.g. arcs
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Projection Apparatus (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
An object of the utility model is to provide a settle corresponding to the floor and set up the posture, suspend in midair and set up the posture and transversely set up the posture and can suitably carry out refrigerated the light source device to vacuum tube and / or sealing portion. The light source device possesses: the luminotron that has vacuum tube and sealing portion, the reflector that has the plane of reflection of concave surface shape, the air -blast device, the confession comes from gaseous first-the third flow path that flows into of air -blast device, the air regulation board. First flow path is gaseous towards the blowout of sealing portion, and the second flow path is gaseous towards the first portion blowout that keeping away from of vacuum tube set up the party of face, and the third flow path is gaseous towards the second portion blowout that the distance of vacuum tube set up the near party of face. The air regulation board is by the axle suspension for rotating to the use according to rotatory state and make first to the third flow path in at least two form for the mode of opening wide the state movable.
Description
Technical field
The utility model relates to possessing and produces the light supply apparatus of the air-blast device of the flowing of the gas that luminous tube cools and the projection display device possessing this light supply apparatus.
Background technology
In the projection display device that projector is such, there is the structure possessing light supply apparatus, this light supply apparatus has the such luminous tube of ultrahigh pressure mercury lamp.Luminous tube has: contain and utilize electric discharge and send the vacuum tube of the pair of electrodes of light; The sealing part of the conductive member sealing supplying electric power to this pair of electrodes will be used for.The sealing part of luminous tube can be formed by glass.Sealing part is formed with the contact portion of conductive member and glass, by the weld part etc. of conductive member and Electrode connection.
The above-mentioned contact portion that sealing part is formed, weld part become high temperature because of the irradiation of the light from vacuum tube, sometimes also can be damaged.Therefore, need the sealing part of the end being positioned at luminous tube to be maintained in below the temperature of regulation.
In addition, utilize electric discharge and the electric arc (arc light) that formed describes the arc of convex to the direction contrary with gravity, the high-temperature gas virtue of buoyancy in vacuum tube and rising.Therefore, the temperature of the part above the vertical of vacuum tube raises than the temperature of the part below the vertical of vacuum tube.Therefore, in order to the luminance making vacuum tube remain suitable, need the temperature of the part above by the vertical of vacuum tube to be suppressed to below the value of regulation, and reduce the temperature difference of vacuum tube entirety.When the temperature of vacuum tube is not maintained in suitable scope, exist because of the gonorrhoea of vacuum tube or melanism and the life-span of luminous tube declines, or produce the situation of luminescence exception of flicker (glimpsing) etc.
Projection display device is usually placed on the such platform in floor and (settles hereinafter referred to as floor and arrange).But also there is light supply apparatus to be held in the situation (arranging hereinafter referred to as suspending in midair) that the mode of to settle situation about arranging reverse with floor is suspended to ceiling relative to gravity direction in projection display device.In addition, in recent years, projection display device is also horizontally installed on to have tilted the wall of 90 degree from the installation surface of floor, platform etc. sometimes.According to above-mentioned posture is set and vacuum tube relative to gravity direction towards change, the part of the therefore easy heating of vacuum tube changes.
No. 2009-31608, Japanese Unexamined Patent Publication is (following, be called citing document 1) disclose a kind of image supply device, have and make the air blast that the first half of vacuum tube is cooled and the structure that the air blast that the latter half of vacuum tube cools is sent into vacuum tube by different wind-guiding paths.In the image supply device that citing document 1 is recorded, make cooling air equably towards the first half of vacuum tube and the latter half of vacuum tube.Therefore, be no matter that floor is settled and arranged posture and suspention when arranging which one of posture, the temperature of the part above the vertical of the vacuum tube of easily heating all can raise.Therefore, the difference of the temperature of the part below the temperature of the part above the vertical that cannot reduce vacuum tube and vertical.
No. 2009-129590, Japanese Unexamined Patent Publication (hereinafter referred to as citing document 2) discloses a kind of light supply apparatus, possesses the cooling structure reducing the first half of vacuum tube and the temperature difference of the latter half.The speculum that the light supply apparatus that citing document 2 is recorded possesses discharge lamp, reflect the light radiated from discharge lamp and cooling fan.The discharge vessel that Discharging lamps and lanterns is formed for arranging sealing part continuously at the two ends of illuminating part.Pair of electrodes is arranged opposite at the inside of illuminating part.Upper air vent is provided with at the upper side of speculum.
From cooling fan wind by have the central authorities of the directive property from blowing holes towards vent hole, have the top of the directive property of upside from blowing holes towards speculum half part hole, have the directive property of downside half part from blowing holes towards speculum bottom hole any one.
The cooling air imported from the hole of central authorities towards the sealing part straight ahead of discharge lamp, to the emergent light from discharge lamp irradiate and cooled by the sealing part heated.The cooling air imported from the hole of bottom, by downside half part of speculum, advances near illuminating part.The cooling air flowed out from the hole on top advances along the curved surface of the top inner face of speculum in the mode screwed in, and the upper air vent of its part from the upper side being formed in speculum is discharged.Thus, compared with the latter half of vacuum tube, can cool the first half of vacuum tube strongly.
But, when light supply apparatus carry out suspention arrange, above-mentioned upper air vent is configured in below relative to gravity, the part below the vertical of therefore vacuum tube, compared with the part above vertical, is cooled strongly.Consequently, the temperature difference of the part below the temperature of the part above the vertical that cannot reduce vacuum tube and vertical.
No. 2005-173085, Japanese Unexamined Patent Publication (hereinafter referred to as citing document 3) discloses a kind of light supply apparatus, settles arranging posture and suspention arranges these both sides of posture, control the flowing of the cooling air be blown into up and down to luminous tube in appropriate amount on floor.This light supply apparatus has: make cooling air towards the first cooling airflow entrance of the first half bulb flowings of vacuum tube; Make cooling air towards the second cooling airflow entrance of the second half bulb flowings of vacuum tube; By the cooling air control member that cooling air distributes to the first cooling airflow entrance and the second cooling airflow entrance.Cooling air control member arranges posture according to floor arrangement or suspention arranges posture, regulates the flow of the cooling air flowed into the first cooling airflow entrance and the second cooling airflow entrance.
But in citing document 3, the cooling for vacuum tube during light supply apparatus horizontally set and sealing part is recorded.And no matter have passed the cooling air of which cooling airflow entrance, all cooling the rear to vacuum tube feeding of sealing part, therefore the cooling effect of vacuum tube is lower.
Following technology is described: the high heating part of cooling air to main cooling air and the shunting of secondary cooling air towards illuminator from fan is flowed in No. 2006-243635, Japanese Unexamined Patent Publication (hereinafter referred to as citing document 4).Main cooling air flows into the space in reflector and anti-explosion cover and cools the high heating part of illuminator.Secondary cooling air advances towards the front end of illuminator, cools the front end of illuminator.In addition, in the light supply apparatus that citing document 4 is recorded, settle according to floor and arrange and suspention setting, the wind direction switch boards switched the direction of the derivation of main cooling air is set in the path that main cooling air passes through.Wind direction switch boards is settled according to floor and is arranged and suspention setting, movable by gravity, is sprayed the top of main cooling air towards gravity direction.Thereby, it is possible to effectively cool the region of the easy rising of the temperature of lamp.
But, when light supply apparatus horizontally set, how wind direction switch boards is not movably recorded.When supposing, in Fig. 6 of citing document 4, paper is set to gravity direction downwards, main cooling air is advanced by the both sides of wind direction switch boards.Therefore, the balance of the flow of secondary cooling air and the flow of main cooling air is destroyed significantly, and the flow of the secondary cooling air advanced in the front end towards illuminator weakens.Consequently, the front end of illuminator becomes high temperature sometimes.
As described above, in the device that citing document 1 ~ 4 is recorded, do not consider to correspond to floor settle posture is set, suspention arranges posture and horizontally set posture and suitably to the situation that vacuum tube and sealing part cool.
Therefore, wish a kind of correspond to floor settle posture is set, suspention arranges posture and horizontally set posture and the light supply apparatus that can suitably cool vacuum tube and/or sealing part and projection display device.
At first technical literature
Patent document
Patent document 1: No. 2009-31608, Japanese Unexamined Patent Publication
Patent document 2: No. 2009-129590, Japanese Unexamined Patent Publication
Patent document 3: No. 2005-173085, Japanese Unexamined Patent Publication
Patent document 4: No. 2006-243635, Japanese Unexamined Patent Publication
Summary of the invention
Light supply apparatus of the present utility model possesses: housing, has the installation surface be oppositely arranged with the portion of being set up; Luminous tube; Reflector, has the reflecting surface of concave, forms collecting luminous tube and the space of recording quantity; Air-blast device, produces the flowing of gas; First flow path, flows into for the gas from air-blast device; Second stream, flows into for the gas from air-blast device; 3rd stream, flows into for the gas from air-blast device; And air-flow plate.Luminous tube comprise utilize electric discharge and send light electrode, accommodate this electrode vacuum tube and will to the sealing part of conductive member sealing of electrode supply electric power.First flow path sprays gas towards sealing part.Second stream is towards the Part I ejection gas of the side away from installation surface of vacuum tube.3rd stream is towards the Part II ejection gas of the near side of the distance installation surface of vacuum tube.Air-flow plate is supported as rotating by axle, to make at least two modes being formed as opening-wide state in the first to the 3rd stream movable according to rotation status.
Projection display device of the present utility model possesses above-mentioned light supply apparatus.
According to the utility model, air-flow plate arranges posture according to light supply apparatus, regulates the amount of the gas flowed into each stream from air-blast device, thus suitably can regulate the temperature of vacuum tube and sealing part.
Accompanying drawing explanation
Fig. 1 is the stereogram of the outward appearance of the light supply apparatus representing an embodiment of the present utility model.
Fig. 2 is the stereogram representing the optical element of the optical treatment of carrying out projection display device and the main element of optic periphery.
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) are the schematic diagrames arranging the example of posture representing projection display device.
Fig. 4 is the stereogram of the structure near indication lamp unit.
Fig. 5 be represent the state after being pulled down by the cover cap of stream member of formation lamp unit near the stereogram of structure.
Fig. 6 is the figure representing flowing projection display device being set to cooling air when floor is settled.
Fig. 7 is the figure of the flowing of the cooling air represented when projection display device suspention being arranged.
Fig. 8 represents the figure by the flowing of cooling air during projection display device horizontally set.
Detailed description of the invention
Then, with reference to accompanying drawing, embodiment of the present utility model is described.
Fig. 1 is the stereoscopic figure of the projection display device of the light supply apparatus possessing an embodiment of the present utility model.Projection display device 10 possesses the housing 12 of accommodating each element, the projecting lens 14 projected to screen etc. by the light forming image.
Fig. 2 represents the optical element of the optical treatment of carrying out projection display device 10 and the main element of optic periphery.Above-mentioned element is housed in housing 12.Projection display device 10 possesses light supply apparatus 20 and light engine 16.
After the light penetrated from light supply apparatus 20 has carried out optical treatment by the optical element of the inside of light engine 16, by projecting lens 14 to projections such as screens.In the present embodiment, 90 degree are bent from the light of light supply apparatus injection by light engine 16.
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) represent the example arranging posture of projection display device 10.In Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), X-axis, Y-axis and Z axis represent the posture of projection display device 10.Therefore, the changing towards according to the arranging posture of projection display device 10 of X-axis, Y-axis and Z axis.This situation in Fig. 4 ~ Fig. 8 too.It should be noted that, in Fig. 3 (a), Fig. 3 (b), Fig. 3 (c) ~ Fig. 8, the direction of Action of Gravity Field is relative to the prone direction of paper.
Fig. 3 (a) represents the state being set to by projection display device 10 settle on floor.In this example, floor settle posture is set under, projecting lens 14 by light L to the direction projection roughly along horizontal plane.Fig. 3 (b) represents that projection display device is the state that suspention is arranged.In this example, under suspention arranges posture, projecting lens 14 by light L to the direction projection roughly along horizontal plane.
Fig. 3 (c) represents that projection display device is the state of horizontally set.In this example, projection display device 10 projecting lens 14 with by light L to roughly below projection mode arrange towards.Thus, projection display device such as can show image in floor.
Light supply apparatus 20 possesses: the lamp unit 40 sending light; Keep the lamp support 42 of lamp unit 40; Produce the air-blast device 18 of the flowing W of gas; And there is the stream member of formation 30 (with reference to Fig. 2 and Fig. 4,5) of the entrance 31 flowed into for the gas from air-blast device 18.In the present embodiment, arrive the entrance 31 of stream member of formation 30 via path 19 from the gas W of air-blast device 18.Stream member of formation 30 also can be adjacent to be formed with lamp support 42.
The structure of Fig. 4 indication lamp unit 40 and stream member of formation 30.Fig. 5 represents the structure of the stream member of formation 30 of the state pulled down by cover cap 39.Stream member of formation 30 has the air-flow plate 37 that can rotate around turning cylinder 38.The turning cylinder 38 of air-flow plate 37 is supported as rotating by cover cap 39.Stream member of formation 30 has first flow path 32, second stream 33 and the 3rd stream 34 that the gas branch of arrival entrance 31 is flowed.
Lamp unit 40 has luminous tube 48 and reflector 50 (with reference to Fig. 6 ~ Fig. 8).It should be noted that, in order to express the structure of luminous tube, Fig. 6 ~ 8 illustrate the state after by a part of cutting of reflector 50.It is that the binding agent of principal component is fixed on reflector matrix 52 that luminous tube 48 also can utilize with inorganic material.As luminous tube 48, such as ultrahigh pressure mercury lamp can be used.
Luminous tube 48 can have: the pair of electrodes sending light by discharging; The roughly spherical vacuum tube 44 of collecting pair of electrodes; Accommodate the sealing part 45,46 of the conductive member to pair of electrodes supply electric power.Vacuum tube 44 is by pair of electrodes sealing airtightly.Vacuum tube 44 can be formed by glass.The pair of electrodes being contained in vacuum tube 44, under arbitrary shown in Fig. 3 (a) ~ Fig. 3 (c) arranges posture, all preferably to configure in the mode mutually relative across the face with horizontal plane.
Sealing part 45,46 extends to two directions (Y direction of figure) centered by vacuum tube 44.The conductive member to the electrode supply electric power be housed in vacuum tube 44 is provided with in the inside of sealing part 45,46.This conductive member is such as formed by the metal of foil-like.Sealing part 45,46 is by the sealing airtightly of this conductive member.Sealing part 45,46 can be formed by glass.The sealing part 45 of one side can extend from vacuum tube 44 to a side of the one side of opening wide towards the space formed by reflector 50.The opposing party sealing part 46 can the rear to reflector 50 extends from the through bottom of reflector 50 of vacuum tube 44.
Reflector 50 has the reflecting surface of concave, forms the space of collecting luminous tube 48.This space is in recording quantity.The light carrying out Self-luminous tube 48 directly or reflected by reflector 50, and penetrate from open wide one of this space towards the outside in this space, to light engine 16 incidence.Vacuum tube 44 is preferably configured near the bottom of reflector 50.
Based on the arc of the FLAMING DATUM discharged to the opposition side description convex of gravity direction, the high-temperature gas in vacuum tube 44 is (above vertical) movement upward relative to gravity.Therefore, the temperature of the first half of vacuum tube 44 raises than the temperature of the Lower Half of vacuum tube.When the temperature of vacuum tube 44 raises than set upper limit value, produce the lost of life of gonorrhoea and vacuum tube.When the lower limit of the temperature ratio regulation of vacuum tube 44 reduces, there is brightness and decline or glimpse, or be the life-span decline of reason and vacuum tube with melanism.
In addition, the temperature of the sealing part 45 of a side of conductive member sealing is raised because of the irradiation of the light from vacuum tube 44.When the temperature of sealing part 45 raises than the value of regulation, promote the oxidation of conductive member, there is the situation that luminous tube 48 breaks or vacuum tube 44 is not lighted.Therefore, it is desirable to the temperature of vacuum tube 44 entirety to maintain within the limits prescribed, and below the value temperature of sealing part 45 being maintained in regulation.
Below, about the cooling structure of vacuum tube 44 and sealing part 45, Fig. 6 ~ Fig. 8 is used to describe in detail.Fig. 6 represents flowing projection display device 10 being set to cooling air when floor is settled.Fig. 7 represents the flowing of cooling air when projection display device 10 suspention being arranged.Fig. 8 represents the flowing of cooling air during projection display device 10 horizontally set.No matter under which arranges posture, installation surface 11 all towards figure-Z-direction.
Gas W from air-blast device 18 mainly sprays towards sealing part 45 by the first flow path 32 being formed at stream member of formation 30.Second stream 33 by the gas W from air-blast device 18 mainly towards the first half bulb ejections of the side away from installation surface 11 of vacuum tube 44.3rd stream 34 by the gas W from air-blast device 18 mainly towards the second half bulb ejections of the near side of the distance installation surface 11 of vacuum tube 44.Specifically, the gas W from air-blast device 18 preferably directly sprays towards the position of sealing part 45 by first flow path 32.Second stream 33 preferably by the gas W from air-blast device 18 along the inner surface of reflector 50 towards the first half bulb ejections.3rd stream 34 preferably by the gas W from air-blast device 18 along the inner surface of reflector 50 towards the second half bulb ejections.
In the present embodiment, second entrance 33 is adjacent with first-class entrance 32 from the side away from installation surface 11, and the 3rd inflow entrance 34 is adjacent with first-class entrance 32 from a side near apart from installation surface 11.Air-flow plate 37 there are central authorities by first-class entrance 32 and with the turning cylinder 38 that installation surface 11 extends abreast, utilize deadweight can rotate around turning cylinder 38.It should be noted that, the inflow entrance of the second stream 33 preferably becomes relative to the turning cylinder 38 of described air-flow plate 37 and the shape of the inflow entrance symmetry with the 3rd stream 34.
According to said structure, air-flow plate 37 arranges posture according to light supply apparatus 20, regulates the amount of the gas W flowed into each stream 32,33,34.Specifically, installation surface 11 be vertical downward time, air-flow plate 37 rotates because of deadweight, by the inflow entrance obturation (with reference to Fig. 6) of a part for the inflow entrance of first flow path 32 and the 3rd stream 34.
In this case, the gas W1 flowed into from the entrance 31 of stream member of formation 30 to first flow path 32 mainly cools sealing part 45.The wind W2 flowed into the second stream 33 advances along the surface of reflector 50, mainly cools the part above the vertical of vacuum tube 44.It should be noted that, the inflow entrance of the 3rd stream 34 is blocked, is not therefore formed mainly towards the wind of the Lower Half of vacuum tube 44.Thereby, it is possible to cooling vacuum tube 44 strongly relative to the first half of gravity.Consequently, the temperature difference of vacuum tube entirety can be reduced, the temperature of vacuum tube entirety can be maintained in suitable scope.
It should be noted that, in figure 6, air-flow plate 37, but also can be only inaccessible by a part for the inflow entrance of the 3rd stream 34 by all inaccessible for the inflow entrance of the 3rd stream 34.In this case, compared with the part below the vertical of vacuum tube 44, also the part above the vertical of vacuum tube 44 is cooled strongly, therefore, it is possible to the temperature of vacuum tube entirety is maintained in suitable scope.
Installation surface 11 be vertical upwards time, air-flow plate 37 rotates because of deadweight, by the inflow entrance obturation (with reference to Fig. 7) of other a part of the inflow entrance of first flow path 32 and the second stream 33.In this case, the gas W1 flowed into from entrance 31 to first flow path 32 mainly cools sealing part 45.The wind W3 flowed into the 3rd stream 34 advances along the surface of reflector 50, mainly cools the part above the vertical of vacuum tube 44.It should be noted that, the inflow entrance of the second stream 33 is inaccessible, is not therefore formed mainly towards the wind of the part below the vertical of vacuum tube 44.Thereby, it is possible to cooling vacuum tube 44 strongly relative to the first half of gravity.Consequently, the temperature difference of vacuum tube entirety can be reduced.It should be noted that, in the figure 7, air-flow plate 37, but also can be only inaccessible by a part for the inflow entrance of the second stream 33 by all inaccessible for the inflow entrance of the second stream 33.
When installation surface 11 is horizontal, air-flow plate 37 is maintained in parallel with gravity direction by deadweight, first-class entrance 32, second entrance 33 and the 3rd inflow entrance 34 is opened wide (with reference to Fig. 8).The wind W1 flowing into first flow path 32 sprays towards the sealing part 45 of luminous tube 48.Wind W2, W3 of flowing into the second stream 33 and the 3rd stream 34 spray along the reflecting surface of reflector 50 towards vacuum tube 44.
At this, these both sides of inflow entrance of the second stream 33 and the 3rd stream 34 are unlimited, therefore towards the open area of the inflow entrance entirety of the stream of vacuum tube 44 become floor settle arrange and suspention arranges time about 2 times.But the size of the inflow entrance of first flow path 32 also becomes floor and settles about 2 times that arrange and suspend in midair when arranging.Consequently, towards wind W2, W3 of vacuum tube 44 flow with settle towards the balance of the flow of the wind W1 of sealing part 45 and floor arrange and suspend in midair arrange time unanimous on the whole.Thus, in which kind of situation of no matter arrange in floor arrangement, suspending setting and horizontally set in midair, the balance between the flow towards the wind W1 of sealing part 45 and the flow of wind W2, the W3 towards vacuum tube 44 can both be maintained.
In addition, the flowing from gas W2, W3 of the second stream 33 and the 3rd stream 34 roughly becomes symmetrical relative to vertical guide.Therefore, utilize air-flow plate 37 second stream 33 and the 3rd these both sides of stream 34 to be opened wide, vacuum tube 44 can be cooled roughly equably thus.
No matter under which arranges posture, wind W1, W2, W3 of spraying from stream 32,33,34 are after having carried out vacuum tube 44 or sealing part 45 cooling, and all never illustrated outlet is to the external exhaust gas of light supply apparatus.Outlet can be arranged on arbitrary position.Such as, outlet can be configured in the wind that sprays from first flow path 32 via the position of sealing part 45 straight ahead.
In the above-described embodiment, air-flow plate 37 is configured to rotate by deadweight according to arranging posture.Also can replace, air-flow plate 37 is set to and utilizes Electronic Control and movable.But the light supply apparatus of easy structure is such from the view point of providing, air-flow plate 37 preferably can rotate by deadweight.
From the view point of providing easy structure and the little light supply apparatus of weight is such, the air-blast device 18 sending into gas to each stream 32,33,34 is preferably 1.And from the view point of providing easy structure and the little light supply apparatus of weight is such, air-flow plate 37 is preferably 1.
In addition, according to above-mentioned cooling structure, as recorded in citing document 2, in the vacuum tube of reflector 50 part immediately above without the need to forming opening.Therefore, not from the light of outward opening injection, the decline of light utilization ratio can be prevented.
Air-flow plate 37 preferably has the turning cylinder 38 along the parallel direction of the exit direction (Y direction of figure) with the light penetrated from lamp.In this case, in horizontally set such Fig. 3 (c) Suo Shi, air-flow plate 37 becomes the state shown in Fig. 8.In other words, projection display device 10 is preferably configured to, make the turning cylinder 38 of air-flow plate 37 and plane-parallel and horizontally set time, projecting lens 14 is towards floor projected light.
Above, preferred embodiment point out, and be illustrated in detail about of the present utility model, but wish to understand, the utility model is not defined as above-mentioned embodiment, only otherwise depart from purport, just can carry out various change and correction.
Label declaration
10 projection display devices
11 installation surfaces
12 housings
14 projecting lens
16 light engines
18 air-blast devices
19 paths
20 light supply apparatuses
30 stream member of formation
31 entrances
32 first flow path
33 second streams
34 the 3rd streams
37 air-flow plates
38 turning cylinders
39 cover caps
40 lamp unit
42 lamp supports
44 vacuum tubes
45 sealing part
46 sealing part
48 luminous tubes
50 reflectors
52 reflector matrixes.
Claims (8)
1. a light supply apparatus, possesses:
Housing, has the installation surface be oppositely arranged with the portion of being set up;
Luminous tube, comprises utilization and discharges and send the electrode of light, accommodate the vacuum tube of this electrode and will supply the sealing part of the conductive member sealing of electric power to described electrode;
Reflector, has the reflecting surface of concave, forms the described luminous tube of collecting and the space of recording quantity;
Air-blast device, produces the flowing of gas;
First flow path, flows into for the described gas from described air-blast device, and sprays described gas towards described sealing part;
Second stream, flow into for the described gas from described air-blast device, the Part I towards the side away from described installation surface of described vacuum tube sprays described gas;
3rd stream, flow into for the described gas from described air-blast device, the Part II towards a side near apart from described installation surface of described vacuum tube sprays described gas; And
Air-flow plate, by axle supporting for the moving axis that rotates can rotate, to make at least two modes being formed as opening-wide state in the described first to the 3rd stream movable according to rotary state.
2. light supply apparatus according to claim 1, wherein,
Described air-flow plate is movable in such a way: described installation surface be vertical downward time inaccessible at least partially by a part for described first flow path and described 3rd stream, described installation surface be vertical upwards time inaccessible at least partially by a part for described first flow path and described second stream, described installation surface be at least one parallel with vertical towards time described first flow path, described second stream and described 3rd stream are opened wide.
3. light supply apparatus according to claim 2, wherein,
The inflow entrance of described second stream adjacent with the inflow entrance of described first flow path away from a side of described installation surface,
The inflow entrance of described 3rd stream is adjacent at the inflow entrance apart from the near side of described installation surface and described first flow path,
The described turning cylinder of described air-flow plate is by the central authorities of the inflow entrance of described first flow path and extend abreast with described installation surface,
Described air-flow plate is configured to rotate around described turning cylinder by deadweight.
4. light supply apparatus according to claim 2, wherein,
The inflow entrance of described second stream becomes the shape of the inflow entrance symmetry relative to described turning cylinder and described 3rd stream.
5. light supply apparatus according to claim 3, wherein,
Described light supply apparatus also has the outlet of being discharged by described gas,
Described outlet be configured in the wind that sprays from described first flow path via described sealing part the position of straight ahead.
6. light supply apparatus according to claim 4, wherein,
Described vacuum tube is configured in the bottom of described reflector,
Described sealing part from described vacuum tube towards the described space formed by described reflector open wide described one side and extend.
7. light supply apparatus according to claim 6, wherein,
Described turning cylinder extends along the direction of described reflector reflects from the light of described light source.
8. a projection display device, possesses light supply apparatus according to claim 7.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/076829 WO2014061120A1 (en) | 2012-10-17 | 2012-10-17 | Light source device and projection display apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204986923U true CN204986923U (en) | 2016-01-20 |
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ID=50487709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201290001282.1U Expired - Fee Related CN204986923U (en) | 2012-10-17 | 2012-10-17 | Light source device and projection type display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204986923U (en) |
| WO (1) | WO2014061120A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307976A (en) * | 2017-07-28 | 2019-02-05 | 麦克赛尔株式会社 | Projector lamp unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20150554A1 (en) * | 2015-04-16 | 2016-10-16 | Clay Paky Spa | COOLING UNIT TO COOL AT LEAST ONE LIGHT SOURCE OF A HEADLAMP AND HEADLAMP INCLUDING SAID COOLING UNIT |
| CN105090837B (en) * | 2015-09-14 | 2017-12-26 | 广州市浩洋电子股份有限公司 | A kind of stage lighting with cooling gas flow control system |
| CN110045569B (en) * | 2018-01-15 | 2021-07-06 | 深圳光峰科技股份有限公司 | Heat dissipation system and projection equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5378112B2 (en) * | 2009-08-28 | 2013-12-25 | 日立コンシューマエレクトロニクス株式会社 | Projection-type image display device |
| JP5488293B2 (en) * | 2010-07-22 | 2014-05-14 | セイコーエプソン株式会社 | Light source device and projector |
| JP2012194461A (en) * | 2011-03-17 | 2012-10-11 | Seiko Epson Corp | Light source device and projector |
-
2012
- 2012-10-17 WO PCT/JP2012/076829 patent/WO2014061120A1/en active Application Filing
- 2012-10-17 CN CN201290001282.1U patent/CN204986923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307976A (en) * | 2017-07-28 | 2019-02-05 | 麦克赛尔株式会社 | Projector lamp unit |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014061120A1 (en) | 2014-04-24 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20201017 |