CN1959523A - Optical device and optical apparatus - Google Patents

Abstract

An optical device according to an aspect of the invention includes: a plurality of optical elements; a base which supports the plurality of optical elements; and a plurality of element holders which holds the plurality of optical elements and each includes a holder side flow passage for cooling liquid to flow therein, the plurality of element holders holding the plurality of optical elements to connect the plurality of optical elements and the cooling liquid flowing in the holder side flow passage in a heat transferable manner. The base includes a plurality of plate members which are layered on each other to form at least one base side flow passage for the cooling liquid to flow therein. The plurality of element holders and the base can be connected to each other, so that the holder side flow passage and the at least one base side flow passage communicate with each other.

Description

Optical devices and optical device

Technical field

The present invention relates to optical devices, and optical device.

Background technology

In the past, in the optical device of projector etc., proposed to carry out the formation (for example, reference literature: the spy opens the 2005-10630 communique) that round-robin liquid cools off the optical element of light source etc.

Be recorded in the projector in the document, as the cooling structure that the optical element to light source etc. cools off, the formation of employing possesses: in subtend in the set water cold sleeve of the outside wall portions inner face of the projector of light source; The metallic conduit of the heat transmission of laying in outside wall portions; The pump that the cooling liquid that circulates in water cold sleeve is driven; With make the cooling liquid can be at water cold sleeve, metallic conduit, and pump circulation ground flexible pipe that they are connected.And, by so constituting, be heated from the liquid coolant of the generation heat of light source, be discharged to the outside by metallic conduit.

, in the projector in being recorded in aforementioned documents, metallic conduit need be configured along outside wall portions, it is difficult that its pipe distribution operation becomes.

And,, flexible pipe need be drawn and be around in water cold sleeve, metallic conduit, and pump in when assembling.Particularly, non-one of cooling object, and exist under a plurality of situations, drawing of flexible pipe makes the difficulty that already becomes.

Thereby desired results is: even exist under a plurality of situations at the optical element for the cooling object, also can easily implement assembling operation with simple structure.

Summary of the invention

Main purpose of the present invention is to provide the optical devices that can easily implement assembling operation with simple structure, and optical device.

Optical devices of the present invention, the pedestal that has a plurality of optical elements and aforementioned a plurality of optical elements are supported; It is characterized in that: possess a plurality of elements and keep body, it can constitute respectively aforementioned a plurality of optical elements with keeping, have the maintenance side stream that cooling fluid can be circulated respectively in inside, will can heat connect at the cooling fluid and the aforementioned optical element of aforementioned maintenance side stream circulation with transmitting by aforementioned optical element is kept; Aforementioned pedestal possesses by the multi-disc tabular component of lamination, the base side stream that in inside formation cooling fluid can be circulated by aforementioned multi-disc tabular component is carried out lamination; Aforementioned a plurality of element keeps body and aforementioned pedestal, can constitute mutually with connecting, by connecting mutually aforementioned maintenance side stream and aforementioned base side stream is communicated with.

In the present invention, by keeping body to connect a plurality of elements, support a plurality of optical elements with pedestal with respect to pedestal.And a plurality of elements keep maintenance side stream and the interior base side stream of pedestal in the body to be communicated with, and the cooling fluid that becomes can keep the circulation of side stream and base side stream.And, circulating in keeping side stream and base side stream by making cooling fluid, the heat that is produced by a plurality of optical elements is passed in the cooling fluid, can cool off a plurality of optical elements in the lump and effectively.Thus, even exist under a plurality of situations at optical element for the cooling object, also needn't be as existingly flexible pipe etc. being drawn around cooling fluid can be circulated between each optical element, making optical devices is simple structure, can easily implement the assembling operation of optical devices.

In optical devices of the present invention, preferred: aforementioned a plurality of elements keep bodies, have respectively to be communicated in aforementioned maintenance side stream, to be used for the maintenance side connecting portion that connects for aforementioned pedestal; Aforementioned pedestal has and is communicated in aforementioned base side stream, is used for a plurality of base side connecting portions of keeping bodies to connect for aforementioned a plurality of elements; Aforementioned maintenance side connecting portion and aforementioned base side connecting portion, by connecting mutually, aforementioned maintenance side stream and aforementioned base side stream are communicated with, and will will keep aforementioned a plurality of optical elements that body was kept to navigate to precalculated position with aforementioned a plurality of elements with respect to aforementioned pedestal.

In the present invention, keep the maintenance side connecting portion of body to be connected by the base side connecting portion that will constitute pedestal with element, keep side stream and base side stream to be communicated with, and can be with the precalculated position that navigates to a plurality of elements maintenance a plurality of optical elements that body was kept with respect to pedestal.Therefore, pedestal and a plurality of elements are being kept after body carried out being connected, needn't make to keep a plurality of optical elements that body was kept to be positioned at ground, precalculated position with respect to pedestal, can more easily implement the assembling operation of optical devices adjusting the position with a plurality of elements.

In optical devices of the present invention, preferred: aforementioned a plurality of elements keep the arbitrary at least element among the bodies to keep body, have respectively to be communicated in aforementioned maintenance side stream, to be used for the maintenance side connecting portion that connects for aforementioned pedestal; Aforementioned pedestal has and is communicated in aforementioned base side stream, is used for a plurality of base side connecting portions of keeping bodies to connect for aforementioned a plurality of elements; Aforementioned maintenance side connecting portion and aforementioned base side connecting portion by connecting mutually, are communicated with aforementioned maintenance side stream and aforementioned base side stream, and keep the mutual position of body and aforementioned pedestal to constitute to aforementioned components with adjusting.

; for example; be with the base side connecting portion and keeping the side connecting portion to connect by the profile benchmark; optical element is navigated under the situation with respect to the formation in the precalculated position of pedestal; need keep body that optical element is suitably positioned with respect to element, optical element keeps possible numerous and diverseization of installation exercise of body with respect to element.Particularly, for example, under the situation of light supply apparatus that has adopted LED module etc. as optical element, because have nothing in common with each other by every solid, so be difficult to keep body suitably to position with respect to element light supply apparatus for the lighting object ground that makes light beam shine the light path rear-stage side well from the Illumination Distribution of the emitted light beam of light supply apparatus.

In the present invention, keep side connecting portion and base side connecting portion, make element keep the mutual position of body and pedestal to constitute with adjusting.Thus, even do not keep body suitably to locate with respect to element optical element,, also optical element can be navigated to the position suitable with respect to pedestal by keeping the spatial position of body to adjust element with respect to pedestal.Therefore, optical element can not numerous and diverseization with respect to the installation exercise of element maintenance body.And, even adopting under the situation of light supply apparatus as optical element, by as keep the spatial position of body to adjust element with respect to pedestal above-mentionedly, also positioned light source device and make light beam shine the lighting object of light path rear-stage side well easily.

In optical devices of the present invention, preferred: aforementioned maintenance side connecting portion is constituted with the tubular element that can make the cooling fluid circulation in inside; Aforementioned base side connecting portion is being constituted the fore-end of aforementioned tubular element with the through hole that the gap engagement state disposes.

In the present invention, base side connecting portion (through hole) can make to keep the fore-end of side connecting portion (tubular element) to dispose with the gap engagement state.Thus, be inserted at fore-end under the state of through hole,, can make the spatial position of tubular element obtain adjusting by tubular element in the through hole inside and the gap between through hole with tubular element.That is,, make element keep the spatial position of body to adjust with respect to pedestal.Therefore, only keep the side connecting portion, and constitute the base side connecting portion, just can adjust the spatial position that element keeps body, can seek the simplification of structure with respect to pedestal with through hole by constituting with tubular element.

In optical devices of the present invention, preferably: aforementioned maintenance side connecting portion, be included in that inside is formed at aforementioned tubes shape member with making tubular element that cooling fluid can circulate and integraty and the flange part expanded laterally from the outer peripheral portion of aforementioned tubular element constitutes; Aforementioned base side connecting portion is being constituted the fore-end of aforementioned tubular element with the through hole that the gap engagement state disposes; Said flange portion, the ground, peripheral part that can be connected in aforementioned through hole constitutes.

In the present invention, base side connecting portion (through hole) can make the fore-end that constitutes the tubular element that keeps the side connecting portion dispose with the gap engagement state.And at tubular element, integraty ground forms flange part.Thus, be inserted at fore-end under the state of through hole,, the spatial position of tubular element and flange part can be adjusted by tubular element in the through hole inside and the gap between through hole with tubular element.That is,, make element keep the spatial position of body to adjust with respect to pedestal.

At this, because can being connected in the ground, peripheral part of through hole, flange part constitutes, so as above-mentionedly with respect to pedestal, element is kept after the spatial position of body carried out adjusting, if flange part is connected in the peripheral part of through hole, for example, compares with the formation that flange part is not set, then can keep element well and keep the stationary state of body, can prevent the position deviation of optical element with respect to pedestal with respect to pedestal.

In optical devices of the present invention, preferred: aforementioned maintenance side connecting portion is constituted with the tubular element that cooling fluid can be circulated in inside; Aforementioned base side connecting portion is being constituted the fore-end of aforementioned tubular element with the through hole that the gap engagement state disposes; Possess flange part, it can insert aforementioned tubular element, expands laterally from the outer peripheral portion of aforementioned tubular element, can be connected in the peripheral part of aforementioned through hole.

In the present invention, flange part can insert maintenance side connecting portion (tubular element); Base side connecting portion (through hole) can make the fore-end of tubular element dispose with the gap engagement state.Thus, tubular element is being inserted in flange part, and the fore-end of tubular element is inserted in the through hole, flange part is touched under the state of the peripheral part of through hole, by tubular element in the through hole inside and the gap between through hole, flange part and tubular element can be moved on the 1st direction (being orthogonal to the direction of tubular element to the direction of insertion of through hole).And,, tubular element can be moved on the 2nd direction (tubular element is to the direction of insertion of through hole) by make the tubular element forward-reverse with respect to flange part.That is,, make element keep the spatial position of body to adjust with respect to pedestal.

At this, because can being connected in the ground, peripheral part of through hole, flange part constitutes, so as above-mentionedly with respect to pedestal, element is kept after the spatial position of body carried out adjusting, if flange part is connected in the peripheral part of through hole, for example, compares with the formation that flange part is not set, then can keep element well and keep the stationary state of body, can prevent the position deviation of optical element with respect to pedestal with respect to pedestal.

And, because flange part is constituted with split with respect to tubular element, so for example, compare with the formation that forms flange part with respect to tubular element integraty ground, on aforementioned the 2nd direction, keeping body to carry out the position when adjusting with respect to pedestal to element, flange part can not move with tubular element, that is, can touch in the state of the peripheral part of through hole for making flange part.Therefore, the state that touches of the peripheral part by flange part and through hole can prevent to make the cooling fluid in the circulation of base side stream leak into the outside by through hole.

In optical devices of the present invention, preferred: aforementioned tubular element, with respect to the element that has aforementioned maintenance side stream in inside keep phosphor bodies, and said flange portion be threadedly engaged with respectively and connect; Aforementioned tubular element and aforementioned components keep phosphor bodies, have the structure that is threadedly engaged with that is threadedly engaged with any one party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread; Aforementioned tubular element and said flange portion have the structure that is threadedly engaged with that is threadedly engaged with any the opposing party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread.

At this, so-called right-hand thread be threadedly engaged with structure, be meant to see the state of the object member (element keeps phosphor bodies or flange part) that is threadedly engaged with from the tubular element side, tubular element is turned clockwise under the situation of rotating (dextrorotation), and tubular element is to the structure that is threadedly engaged with of object member side precession.And, so-called left-hand thread (LHT) be threadedly engaged with structure, be meant to see the state of the object member (element keeps phosphor bodies or flange part) that is threadedly engaged with from the tubular element side, tubular element is rotated counterclockwise under the situation of rotating (left-handed), and tubular element is to the structure that is threadedly engaged with of object member side precession.

In the present invention, tubular element, the structure that is threadedly engaged with that is threadedly engaged with any one party among the structure that is threadedly engaged with structure and left-hand thread (LHT) with right-hand thread keeps phosphor bodies to be connected with element, and is connected with flange part with the structure that is threadedly engaged with that is threadedly engaged with any the opposing party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread.Thus, rotate in a predetermined direction, can make element keep phosphor bodies and flange part to go up and move in direction near each other (aforementioned the 2nd direction) by making tubular element.And, otherwise, by make tubular element with aforementioned predetermined direction reverse direction on rotate, can make element keep phosphor bodies and flange part to go up and move in the direction of leaving mutually (aforementioned the 2nd direction).Therefore, if in advance flange part is connected in pedestal, only by making tubular element rotation, just can be with respect to pedestal to element maintenance phosphor bodies in the enterprising line position adjustment of aforementioned the 2nd direction, can easily carry out the position adjustment with the state of having stablized.

In optical devices of the present invention, preferably: aforementioned a plurality of elements keep the arbitrary at least element among the body to keep body, in a side end face, have respectively and make cooling fluid flow into inner inflow entrance and make cooling fluid flow out flow export, and aforementioned maintenance side stream and aforementioned base side stream are communicated with by an aforementioned side end face is touched to the outside.

; be to keep body that tubular element is set at element; pass through tubular element; the base side stream of pedestal and element are kept under the situation of the formation that the maintenance side stream of body is communicated with; the stream that cooling fluid circulates is easy to generate the pressure loss owing to tubular element narrows down at tubular element.That is, in stream, be difficult to make cooling fluid with good flow rate, the optical element that is difficult to be kept body to keep by element cools off effectively.

In the present invention, element keeps body, by a side end face that has formed inflow entrance and flow export is touched in pedestal maintenance side stream and base side stream is constituted communicatively.Thus, needn't keep body that tubular element is set, can be suppressed in the stream that cooling fluid circulates and produce the pressure loss at element.Therefore, in stream, can make cooling fluid, can cool off effectively by the element maintenance optical element that body kept with good flow rate.

In optical devices of the present invention, preferred: as to possess fluid force feed portion with cooling fluid suction and force feed; Aforesaid fluid force feed portion can be connected in aforementioned pedestal ground and constitute, and by being connected in aforementioned pedestal, is supported by aforementioned pedestal, and the cooling fluid of aforementioned base side stream can be sucked, and cooling fluid is sent to aforementioned base side stream.

According to the present invention, because optical devices possess fluid force feed portion, by fluid force feed portion is connected in pedestal, fluid force feed portion can suck the cooling fluid of base side stream, cooling fluid is sent to aforementioned base side stream, so can make the cooling fluid forced convertion in the stream that has been communicated with base side stream and maintenance side stream.Therefore, in aforementioned stream, heat can not be stranded in a plurality of elements and keep can cooling off a plurality of optical elements effectively near the cooling fluid of body.

And,,, can realize carrying miniaturization, the cost degradation of the optical device of optical devices so the member that convection cell force feed portion supports needn't be set in addition because fluid force feed portion also supports by pedestal.

In optical devices of the present invention, preferred: aforementioned pedestal has the recess that caves in, is communicated in aforementioned base side stream at the thickness direction of aforementioned pedestal; Aforesaid fluid force feed portion is disposed at aforementioned recess by placing, and is supported by aforementioned pedestal, and the cooling fluid of aforementioned base side stream can be sucked, and cooling fluid is sent to aforementioned base side stream.

According to the present invention, fluid force feed portion because place the recess that is disposed at pedestal, so for example, compares with the formation that fluid force feed portion is set on pedestal, can effectively utilize the space on the pedestal.

In optical devices of the present invention, preferred: possess radiating part, it makes cooling fluid circulate in inside, and will reject heat to the outside in the heat of the cooling fluid of internal circulation; Aforementioned radiating part can be connected in aforementioned pedestal ground and constitute, and by being connected in aforementioned pedestal, is supported by aforementioned pedestal, and the cooling fluid of aforementioned base side stream can be imported to inside, and the cooling fluid of inside is exported to aforementioned base side stream.

According to the present invention, optical devices possess radiating part, by radiating part is connected in pedestal, radiating part can import to inside with the cooling fluid of base side stream and the heat of cooling fluid is dispelled the heat, and makes chilled cooling fluid turn back to the base side stream once more.Therefore, can make temperature reduction, make the heat-exchange capacity raising of a plurality of optical elements and cooling fluid and can cool off a plurality of optical elements effectively at the cooling fluid of aforementioned stream circulation.

And,,, can realize carrying miniaturization, the cost degradation of the optical device of optical devices so the member that radiating part is supported needn't be set in addition because radiating part also supported by pedestal.

In optical devices of the present invention, preferred: as to constitute the arbitrary at least tabular component among the multi-disc tabular component of aforementioned pedestal, constituted with member with heat conductivity.

According to the present invention,,, reject heat to the outside so can make the heat of the cooling fluid that circulates at the base side stream be delivered to aforementioned tabular component because the arbitrary at least tabular component among the multi-disc tabular component is constituted with the member with heat conductivity.For example, form, then can make aforementioned tabular component have function, the cooling fluid in the circulation of base side stream is cooled off, can cool off a plurality of optical elements effectively as radiating component if make the surface area of aforementioned tabular component become the earth.

Optical device of the present invention is characterized in that: possess above-mentioned optical devices and aforementioned optical devices are placed the external shell of configuration.

According to the present invention, optical device is because possess above-mentioned optical devices, so can reach effect, the effect same with above-mentioned optical devices.

And optical device because possess the optical devices that can cool off a plurality of optical elements in the lump and effectively, so the hot deterioration of a plurality of optical elements is suppressed, can be sought long lifetime.

In optical device of the present invention, preferred: aforementioned external shell is constituted with the member with heat conductivity; Constitute the arbitrary at least tabular component among the multi-disc tabular component of aforementioned pedestal, constituted, assembling under the state of this optical device, can carry out heat and be connected in aforementioned external shell with transmitting with member with heat conductivity.

In the present invention, the arbitrary at least tabular component among the multi-disc tabular component of formation pedestal, and external shell are constituted with the member with heat conductivity, are assembling under the state of optical device, can heat connect mutually with transmitting.Thus, can make in the heat of the cooling fluid of base side stream circulation and transmit, reject heat to the optical device outside along the heat transfer path of aforementioned tabular component～external shell.Therefore, can make the bigger external shell of surface area ratio have function, can the cooling fluid in the circulation of base side stream be cooled off, cool off a plurality of optical elements effectively as radiating component.

In optical device of the present invention, preferred: as to constitute the arbitrary at least tabular component among the multi-disc tabular component of aforementioned pedestal, constituted, be the part of aforementioned external shell with member with heat conductivity.

According to the present invention, arbitrary at least tabular component among the multi-disc tabular component of formation pedestal, because be the part of external shell, be shared member so can make the part of aforementioned tabular component and external shell, seek small-sized, the lightweight of optical device because of the omission of member.

And,,, reject heat to the optical device outside so can make the heat of the cooling fluid that circulates at the base side stream be delivered to aforementioned tabular component because aforementioned tabular component is constituted with the member with heat conductivity.Therefore, can make aforementioned tabular component have function, can the cooling fluid in the circulation of base side stream be cooled off, cool off a plurality of optical elements effectively as radiating component.

In optical device of the present invention, preferred: this optical device is the projector that carries out enlarging projection to modulating from the emitted light beam of light supply apparatus; Aforementioned a plurality of optical element comprises that the aforementioned lights source apparatus constitutes; The aforementioned lights source apparatus is constituted with solid-state light emitting element.

According to the present invention, because optical device is a projector, a plurality of optical elements comprise that solid-state light emitting element constitutes, so for example, compare with the projector of the illuminator that has adopted the Discharge illuminating type, can seek small-sized, lightweight.And, except having adopted the effect of solid-state light emitting element, because possess the optical devices of the simplification of the cooling structure of seeking a plurality of optical elements, so can realize that reliability raises by in the lump and effectively a plurality of light-emitting components being cooled off, and promote small-sized, light-weighted projector.

In optical device of the present invention, preferred: as to possess fluid force feed portion with cooling fluid suction and force feed; Aforementioned pedestal has the recess that caves in, is communicated in aforementioned base side stream at the thickness direction of aforementioned pedestal; Aforesaid fluid force feed portion, be disposed at aforementioned recess by placing, supported by aforementioned pedestal in the state of the member of formation of this optical device with planarity ground interference, and the cooling fluid of aforementioned base side stream can be sucked, and cooling fluid is sent to aforementioned base side stream.

According to the present invention, fluid force feed portion because place the recess that is disposed at pedestal, so for example, compares with the formation that fluid force feed portion is set on pedestal, can effectively utilize the space on the pedestal.Therefore, space that can be on pedestal with the member of formation of optical device dispose with the ground interference of fluid force feed facial planes, the degree of freedom of the design of optical device improves, and can seek the miniaturization of optical device.

Description of drawings

Fig. 1 is the figure that the summary as the projector of optical device in pattern ground expression the 1st embodiment constitutes.

Fig. 2 is the figure that the summary of the projector in the pattern ground expression aforementioned embodiments constitutes.

Fig. 3 be pattern be illustrated in the figure of the circulation status of the cooling liquid in the stream of the optical devices in the aforementioned embodiments.

Fig. 4 is the figure that the summary of the projector in pattern ground expression the 2nd embodiment constitutes.

Fig. 5 is the figure that the summary of the projector in pattern ground expression the 3rd embodiment constitutes.

Fig. 6 is the figure that the summary of the projector in pattern ground expression the 4th embodiment constitutes.

Fig. 7 is the figure that the light source in pattern ground expression the 5th embodiment constitutes with the summary that keeps body.

Fig. 8 A and Fig. 8 B are respectively the figure that the light source in the pattern ground expression aforementioned embodiments constitutes with the summary that keeps body.

Fig. 9 is the figure that the summary as the projector of optical device in pattern ground expression the 6th embodiment constitutes.

Figure 10 is the figure that the summary of the projector in the pattern ground expression aforementioned embodiments constitutes.

Figure 11 is a stereographic map of seeing the 1st tabular component the aforementioned embodiments from lower side.

Figure 12 is the sectional view of maintenance body with respect to the connection status of pedestal of the light source in the expression aforementioned embodiments.

Figure 13 is the figure of maintenance body with respect to the position adjustment structure of pedestal of the light source in expression the 7th embodiment.

Figure 14 is the figure of maintenance body with respect to the position adjustment structure of pedestal of the light source in expression the 8th embodiment.

Figure 15 is the figure of maintenance body with respect to the position adjustment structure of pedestal of the light source in expression the 9th embodiment.

Figure 16 is the figure of maintenance body with respect to the position adjustment structure of pedestal of the light source in expression the 10th embodiment.

Embodiment

The 1st embodiment

Below, based on accompanying drawing the 1st embodiment of the present invention is described.

(formation of projector)

Fig. 1 and Fig. 2 are the figure that the summary of the pattern ground expression projector 1 as optical device of the present invention constitutes.Also have, in Fig. 1 and Fig. 2, for the convenience that illustrates, with the end face of external shell 2, and the part of side omit.

Projector 1, to modulating from the emitted light beam of light source and form optical image, and the optical image enlarging projection that will form is to the screen (diagram slightly) corresponding to image information.This projector 1, as be shown among Fig. 1 or Fig. 2 ground, with external shell 2, optical devices 3 and roughly constitute as 4 of the projecting lens of projecting optical device.

Also have, in Fig. 1 or Fig. 2, though omitted diagram, but in external shell 2, space beyond optical devices 3 and projecting lens 4 is disposing the power supply unit of the member of formation that feeds electrical power to projector 1, the control device that projector's 1 integral body is controlled etc.

External shell 2 is optical devices 3 and projecting lens 4 etc. to be taken in be disposed at inner housing.This external shell 2 though in Fig. 1 or Fig. 2 diagram is omitted, is made of the upper shell of the end face of the lower house 21 of front, the back side, side and the bottom surface of constituting projector 1 and constituting projector 1, mutually with screw element etc. fixed.

In this external shell 2, in front, as be shown among Fig. 1 or Fig. 2 ground, be formed for the exhausr port 2A that discharges at the inner air that has heated up of projector 1.

And, near exhausr port 2A, be formed for making the fore-end of projecting lens 4 to be exposed to outside circular hole 2B.

Also have, about the bottom surface portions of external shell 2 in detail, carry out aftermentioned.

Optical devices 3 carry out aftermentioned particularly, form the optical image (coloured image) corresponding to image information to handling from the emitted beam optical ground of light source.

Projecting lens 4 constitutes as the lens combination that has made up a plurality of lens.And this projecting lens 4 will be with optical devices 3 formed coloured image enlarging projections to the not shown screen that goes out.

(formations of optical devices)

Optical devices 3, as be shown among Fig. 1 or Fig. 2 ground, possess: light supply apparatus 31, as the liquid crystal light valve 32 of optic modulating device, as the cross colour splitting prism 33 of look synthesizing optical device, pedestal 34, element keeps body 35, as the pump 36 and the heat abstractor 37 of fluid force feed portion.

Light supply apparatus 31 under the control of aforementioned control device, is lighted, and towards liquid crystal light valve 32 outgoing beams.These light supply apparatuses 31, though in Fig. 1 or Fig. 2, diagram is omitted, but with R coloured light LED (the Light Emitting Diode that penetrates R coloured light, light emitting diode) module 31R, penetrate the G coloured light LED module 31G of G coloured light, constitute with LED module 31B (with reference to Fig. 3) with the B coloured light that penetrates B coloured light, subtend tripartitely keeps body 35 to set by element in the side of cross colour splitting prism 33 respectively.

These each LED modules are roughly same formation, though concrete diagram is omitted, arrange a plurality of LED elements that form solid-state light emitting element on the Si substrate.Also have, constitute the LED element of LED module, the kind of crystallization and additive etc. form unequally, send R coloured light, G coloured light, B coloured light respectively.

Also have,, be not limited to above-mentioned LED module, also can adopt other formation as light supply apparatus 31, for example, laser diode, organic EL (Electro Luminescence, electroluminescence) element, the various solid-state light emitting elements of silicon light-emitting component etc.

Liquid crystal light valve 32, though in Fig. 1 or Fig. 2, diagram is omitted, corresponding to each LED module with 3 constituted side 3 sides that keep body 35 to be fixed in cross colour splitting prism 33 by element respectively.Each liquid crystal light valve 32, liquid crystal panel for transmission-type, based on drive signal from aforementioned control device, the arrangement of the liquid crystal molecule that is sealed into liquid crystal cells (diagram slightly) is changed, by to from each emitted coloured light of each LED module, carry out transmission respectively or interdict and will inject to cross colour splitting prism 33 corresponding to each optical image of image information.

Cross colour splitting prism 33 is will to synthesize from the emitted optical image of having modulated by every kind of coloured light of each liquid crystal light valve 32 and form the optical element of coloured image.This cross colour splitting prism 33 is the plane that 4 right-angle prisms are bonded and sees roughly square shape, on the interface that right-angle prism is bonded each other, forms 2 dielectric multilayer films.These dielectric multilayer films reflect each liquid crystal light valve 32 each the emitted coloured light from mutual subtend, and make from subtend in projecting lens 4 liquid crystal light valve 32 emitted coloured light carry out transmission.Thus, synthetic each coloured light of having been modulated with each liquid crystal light valve 32 and form coloured image.

Also have, between light supply apparatus 31 and liquid crystal light valve 32, also can set other optical element, for example: will be from the polarization direction of the emitted coloured light of light supply apparatus 31 consistently become the roughly polarization conversion device of the rectilinearly polarized light of a direction, illumination in the face of the emitted coloured light of light supply apparatus 31 is carried out even illumination optical device of the bar-shaped integrator of homogenising, rectangular lens arra of having arranged a plurality of lenslets etc. etc.

Pedestal 34, as be shown among Fig. 1 or Fig. 2 ground, by element keep 35 pairs of bodies for 31,3 liquid crystal light valves 32 of 3 light supply apparatuses of a plurality of optical elements, reach cross colour splitting prism 33 and support, and pump 36 and heat abstractor 37 are supported.This pedestal 34, as be shown among Fig. 1 or Fig. 2 ground, possess the 1st tabular component 341 and the 2nd tabular component 342 of mutual lamination.

The 2nd tabular component 342, as be shown among Fig. 1 or Fig. 2 ground, be the bottom surface of lower house 21.That is, constitute the 2nd tabular component 342 of pedestal 34, be the part of external shell 2.

At the 2nd tabular component 342, at the end face (inner face of the bottom surface of lower house 21) of the 1st tabular component 341 sides, as be shown among Fig. 2 ground, form a plurality of slot parts 3421.In the present embodiment, slot part 3421, as be shown among Fig. 2 ground, form 8.And these slot parts 3421 by mutual lamination the 1st tabular component 341 and the 2nd tabular component 342, become the base side stream 34A (with reference to Fig. 3) that cooling liquid can be circulated.

The 1st tabular component 341, as be shown among Fig. 1 or Fig. 2 ground has and the roughly the same outer shape of inner face of bottom surface that is the lower house 21 of the 2nd tabular component 342, and is engaged in aforementioned inner face.Also have, the joint about the 1st tabular component 341 and the 2nd tabular component 342 can adopt all methods, for example, both can engage by welding, also can engage with screw element etc. by elastic component.That is, when the 1st tabular component 341 and the 2nd tabular component 342 have been carried out joint,, can adopt any joint method as long as the cooling liquid in the base side stream 34A does not drain to the outside.

At the 1st tabular component 341, as be shown among Fig. 2 ground, be formed with: connect in the his-and-hers watches, under the state that is engaged in the 2nd tabular component 342 with base side stream 34A and the outside a plurality of through holes 3411 that are communicated with.In the present embodiment, through hole 3411, as be shown among Fig. 2 ground, corresponding to the quantity of slot part 3421, form 16.And, these through holes 3411, as be used for element keep body 35, pump 36, and the base side connecting portion that couples together of heat abstractor 37 play a role.

As the shape of these through holes 3411,, can adopt upper side to carry out hole enlargement, and lower side has been carried out the stairstepping of undergauge though concrete diagram is omitted.

And in the present embodiment, external shell 2 and pedestal 34 are constituted with the metal material of aluminium etc.

Also have, external shell 2 and pedestal 34 are not limited to metal material, so long as have the member of heat conductivity, constitute with any material that all it doesn't matter.In addition, also can be only the lower house 21 of external shell 2 be constituted with the member with heat conductivity.

Element keeps body 35, as is shown among Fig. 1 or Fig. 2 ground, possesses 3 light sources with keeping body 351 and 3 panels with keeping bodies 352.

3 light sources are with keeping bodies 351, as are shown among Fig. 1 or Fig. 2 ground, are constituted with same shape respectively, are the members that can heat keep 3 light supply apparatuses 31 respectively with transmitting.This light source is with keeping body 351, as is shown among Fig. 1 or Fig. 2 ground, possesses tabular body 3511 and fluid output 3512.

Tabular body 3511, as be shown among Fig. 1 or Fig. 2 ground, for seeing rectangular-shaped tabular body in the plane, support to fix in internal convection body throughput 3512.

Fluid output 3512, constituted with the tubular element that cooling liquid can be circulated in inside, formed to such an extent that roughly コ shape is seen on the plane, as be shown among Fig. 1 or Fig. 2 ground, both ends 3512A is supported to fix in tabular body 3511 inside from the lower side end face of tabular body 3511 highlightedly.That is, fluid output 3512 becomes the maintenance side stream 351A (with reference to Fig. 3) that with maintenance body 351 inside cooling liquid can be circulated at light source.

And the both ends 3512A of fluid output 3512 is inserted in the through hole 3411 of pedestal 34, as the maintenance side connecting portion performance function that is used for connecting with respect to pedestal 34.

, be not particularly limited with the manufacture method that keeps body 351 as this light source, can adopt all methods.

For example, constitute tabular body 3511 with the pair of plate-shaped body, and be assembled into pair of plate-shaped body clamping fluid output 3512.

In addition, for example, be shaped and integraty ground formation tabular body 3511 and fluid output 3512 by inserting.

With the material that keeps body 351, can adopt the metal material of aluminium etc. as light source so.

Also have, light source is not limited to metal material with keeping body 351, so long as have the member of heat conductivity, constitutes with any material that all it doesn't matter.

3 panels are with keeping bodies 352, as are shown among Fig. 1 or Fig. 2 ground, are constituted with same shape respectively, are the members that can heat keep 3 liquid crystal light valves 32 respectively with transmitting.This panel is with keeping body 352, as is shown among Fig. 1 or Fig. 2 ground, possesses outer framework 3521 and fluid output 3522.

Outer framework 3521, as be shown among Fig. 1 or Fig. 2 ground makes plane that light beam can transmission see that the plane of rectangular-shaped peristome 3521A sees rectangular-shaped tabular body for having, and surrounds peristome 3521A ground and supports to fix in internal convection body throughput 3522.

Fluid output 3522, constituted with the tubular element that cooling liquid can be circulated in inside, formed to such an extent that roughly コ shape is seen on the plane, as be shown among Fig. 1 or Fig. 2 ground, both ends 3522A from the lower side end face of outer framework 3521 highlightedly, framework 3521 inside are supported to fix outside.That is, fluid output 3522 becomes the maintenance side stream 352A (with reference to Fig. 3) that with maintenance body 352 inside cooling liquid can be circulated at panel.

And the both ends 3522A of fluid output 3522 is inserted in the through hole 3411 of pedestal 34, as the maintenance side connecting portion performance function that is used for connecting with respect to pedestal 34.

And 3 panels carry out chimeric fixing with each peristome 3521A with each liquid crystal light valve 32, and aim at the state of adjusting and the side three parts of being fixed in cross colour splitting prism 33 with the focusing of having implemented each liquid crystal light valve 32 with keeping body 352.

That is, 3 liquid crystal light valves 32 and cross colour splitting prism 33, by 3 panels with keeping bodies 352, by integrated.

Also have, panel is with the manufacture method, the material that keep body 352, can adopt with above-mentioned light source with keeping body 351 same manufacture method, material.

And, insert each through hole 3411 of pedestal 34 and keep body 35 to couple together each element by each both ends 3512A, the 3522A that each element is kept body 35 with respect to pedestal 34, make base side stream 34A and each keep side stream 351A, 352A to be communicated with (with reference to Fig. 3), cooling liquid can and respectively keep side stream 351A, 352A circulation at base side stream 34A.

And under state so, each both ends 3512A, 3522A touch in the step portion of through hole 3411.And, kept each light supply apparatus 31 that body 35 kept and each liquid crystal light valve 32 to navigate to precalculated position by each element with respect to pedestal 34.That is, be the state that shines the image forming area integral body of each liquid crystal light valve 32 from each light supply apparatus 31 each emitted coloured light, each light supply apparatus 31 and each liquid crystal light valve 32 are disposed on the predetermined lighting optical axis.Thereby the shape of the length dimension of the projected direction of each both ends 3512A, 3522A, through hole 3411 is configured to and each light supply apparatus 31 and each liquid crystal light valve 32 can be positioned the precalculated position.

Pump 36 is the pumps with cooling liquid suction and force feed.This pump 36 sucks cooling liquid and a pair of throughput 361 of force feed is given prominence to (with reference to Fig. 3) from the lower side end face.And pump 36 by a pair of throughput 361 being inserted in each through hole 3411 of pedestal 34, is supported to fix by pedestal 34.Under this state, pump 36 is equipped on base side stream 34A and respectively keeps can sucking and force feed by a pair of throughput 361 by driving the cooling liquid that makes in this stream in the stream that side stream 351A, 352A be communicated with (with reference to Fig. 3).

Heat abstractor 37 makes cooling liquid circulate, and the heat of this cooling liquid is dispelled the heat in inside.This heat abstractor 37, as be shown among Fig. 1 or Fig. 2 ground, possess heating radiator 371 and cooling fan 372 as radiating part.

Heating radiator 371 makes cooling liquid circulate in inside, and will reject heat to the outside from the heat that this cooling liquid transmit.This heating radiator 371 circulates cooling liquid and gives prominence to (with reference to Fig. 3) in a pair of throughput 3711 of inside from the lower side end face.And heating radiator 371 by a pair of throughput 3711 being inserted in each through hole 3411 of pedestal 34, is supported to fix by pedestal 34.Under this state, heating radiator 371 is equipped on base side stream 34A and respectively keeps in the stream that side stream 351A, 352A be communicated with (with reference to Fig. 3).And heating radiator 371 though concrete diagram is omitted, connects this heating radiator 371 and forms the air flow path that air can be circulated near the stream of cooling liquid at internal circulation.

Cooling fan 372 is fixed in heating radiator 371, and the aforementioned air flow path by being formed at heating radiator 371 sucks the air of projector 1 inside, and by the exhausr port 2A of external shell 2 it is discharged to projector 1 outside.

Fig. 3 is the figure of the circulation status of model utility ground expression cooling liquid.Particularly, Fig. 3 is the figure from the circulation status of the lower side cooling liquid of projector 1.Also have, in Fig. 3,, pedestal 34 grades are omitted for the convenience that illustrates.And, following, for the convenience that illustrates, among 3 light sources are used maintenance body 351, the light source that is equipped on R coloured light side is called light source with keeping body 351R with the maintenance body, the light source that is equipped on G coloured light side is called light source with keeping body 351G with the maintenance body, the light source that is equipped on B coloured light side is called light source with keeping body 351B with the maintenance body.Similarly, also 3 panels are called panel with keeping body 352R, 352G, 352B with maintenance body 352.

In the present embodiment, by with respect to pedestal 34, with each element keep body 35, pump 36, and heating radiator 371 connect, as be shown among Fig. 3 ground, each element keeps body 35, pump 36, reaches heating radiator 371, reaches by base side stream 34A respectively to keep side stream 351A, 352A in series to be connected.

And, driving by making pump 36, cooling liquid is sent to the base side stream 34A from pump 36.

Flow into the cooling liquid of base side stream 34A, flow into light source with keeping the interior maintenance side stream 351A of body 351B.At this moment, the heat that the driving by LED module 31B produces, by light source with keeping body 351B to be delivered in the cooling liquid of the maintenance side of inside stream 351A circulation.

With the cooling liquid that keeps the maintenance side stream 351A circulation in the body 351B, flow into base side stream 34A at light source, and flow into the light source maintenance side stream 351A that keeps in the body 351G.At this moment, the heat that produces with the driving of LED module (diagram slightly) by G coloured light, by light source with keeping body 351G to be delivered in the cooling liquid that the maintenance side of inside stream 351A circulates.

With the cooling liquid that keeps the maintenance side stream 351A circulation in the body 351G, flow into base side stream 34A at light source, and flow into the light source maintenance side stream 351A that keeps in the body 351R.At this moment, the heat that the driving by LED module 31R produces, by light source with keeping body 351R to be delivered in the cooling liquid of the maintenance side of inside stream 351A circulation.

, flow into base side stream 34A, and flow into heating radiator 371 inside with the cooling liquid that keeps the maintenance side stream 351A circulation in the body 351R at light source.At this moment, the heat at the cooling liquid of heating radiator 371 internal circulations rejects heat to the outside by heating radiator 371, and the driving by cooling fan 372, is dispelled the heat and the air that heated up is discharged to projector 1 outside by exhausr port 2A.

At the cooling liquid of heating radiator 371 internal circulations, flow into base side stream 34A, and flow into panel with keeping the interior maintenance side stream 352A of body 352R.At this moment, result from the heat of the liquid crystal light valve 32 that R coloured light uses by irradiation from the light beam of LED module 31R, by panel with keeping body 352R to be delivered in the cooling liquid of the maintenance side of inside stream 352A circulation.

With the cooling liquid that keeps the maintenance side stream 352A circulation in the body 352R, flow into base side stream 34A at panel, and flow into the panel maintenance side stream 352A that keeps in the body 352G.At this moment, by resulting from the heat of the liquid crystal light valve 32 that G coloured light uses with the irradiation of the light beam of LED module from G coloured light, by panel with keeping body 352G to be delivered in the cooling liquid of the maintenance side of inside stream 352A circulation.

With the cooling liquid that keeps the maintenance side stream 352A circulation in the body 352G, flow into base side stream 34A at panel, and flow into the panel maintenance side stream 352A that keeps in the body 352B.At this moment, result from the heat of the liquid crystal light valve 32 that B coloured light uses by irradiation from the light beam of LED module 31B, by panel with keeping body 352B to be delivered in the cooling liquid of the maintenance side of inside stream 352A circulation.

, flow into base side stream 34A, and be inhaled into once more in the pump 36 with the cooling liquid that keeps the maintenance side stream 352A circulation in the body 352B at panel.

As above ground, by base side stream 34A and respectively keep side stream 351A, 352A, cooling liquid circulates with maintenance body 352B～pump 36 with maintenance body 352G～panel with maintenance body 352R～panel with keeping body 351R～heating radiator 371～panel with keeping body 351G～light source with keeping body 351B～light source through pump 36～light source.

In the above-described first embodiment, following effect is arranged.

In the present embodiment, by keeping body 35 to couple together each element with respect to pedestal, on pedestal 34, each light supply apparatus 31, integrated each liquid crystal light valve 32 and cross colour splitting prism 33 are supported.And each element keeps maintenance side stream 351A, 352A and the pedestal 34 interior base side stream 34A in the body 35 to be communicated with, and cooling liquid can keep side stream 351A, 352A and base side stream 34A circulation.And, by cooling liquid is circulated in keeping side stream 351A, 352A and base side stream 34A, the heat that produces with each optical element 31,32 keeps body 35 to be passed to cooling liquid by each element, can cool off each optical element 31,32 in the lump and effectively.Thus, even have under a plurality of situations, also needn't make cooling liquid between each optical element, to draw around flexible pipe as existing ground at optical element for the cooling object with circulating, and make optical devices 3 be simple structure, can easily implement the assembling operation of optical devices 3.

That is, can suppress the hot deterioration of each optical element 31,32 and seek the long lifetime of projector 1, and easily implement the assembling operation of projector 1.

And, because the shape of the length dimension of the projected direction of each both ends 3512A, 3522A of each element maintenance body 35, each through hole 3411 of pedestal 34, be configured to each light supply apparatus 31 and each liquid crystal light valve 32 can be positioned precalculated position with respect to pedestal 34, so only by each both ends 3512A, 3522A are inserted in each through hole 3411, can make to keep side stream 351A, 352A and base side stream 34A to be communicated with, and the precalculated position that each optical element 31,32 can be navigated to respect to pedestal 34.Therefore, pedestal 34 and each element are being kept after body 35 carried out being connected, needn't make each optical element 31,32 that is kept body 35 to be supported by each element be positioned at ground, precalculated position with respect to pedestal 34, can more easily implement the assembling operation of optical devices 3 adjusting the position.

And then, because optical devices 3 possess pump 36, by pump 36 is connected to pedestal 34, pump 36 can suck the cooling liquid of base side stream 34A, cooling fluid is sent to base side stream 34A, so can make the cooling fluid forced convertion in the stream that has been communicated with base side stream 34A and maintenance side stream 351A, 352A.Therefore, in aforementioned stream, heat can not be stranded in each element and keep can cooling off each optical element 31,32 effectively near body 35 the cooling liquid.

And then, optical devices 3 possess heat abstractor 37, by heating radiator 371 is connected to pedestal 34, heating radiator 371 can import to inside with the cooling liquid of base side stream 34A and the heat of cooling liquid is dispelled the heat, and makes the cooling liquid that cools down turn back to base side stream 34A once more.Therefore, can make temperature reduction, make the heat-exchange capacity raising of each optical element 31,32 and cooling liquid and can cool off each optical element 31,32 effectively at the cooling liquid of aforementioned stream circulation.

And,,, can realize miniaturization, the cost degradation of projector 1 so the member that pump 36, heat abstractor 37 are supported needn't be set in addition because pump 36 and heat abstractor 37 also supported by pedestal 34.

And the 2nd tabular component 342 of formation pedestal 34 because be lower house 21, so can make the 2nd tabular component 342 and the lower house 21 that constitute pedestal 34 be shared member, is sought miniaturization, the lightweight of projector 1 because of the omission of member.

And, because external shell 2 is constituted with the member with heat conductivity, thus the heat at the cooling liquid of base side stream 34A circulation can be passed to external shell 2, and reject heat to projector 1 outside.Therefore can make external shell 2 have function,, the cooling liquid in base side stream 34A circulation be cooled off, can cool off each optical element 31,32 effectively with heat abstractor 37 as radiating component.

And projector 1 because adopt the LED module as light supply apparatus 31, so for example, compares with the projector of the illuminator that has adopted the Discharge illuminating type, can seek small-sized, lightweight.And, except the effect that has adopted the LED module, because possess the optical devices 3 of the simplification of the cooling structure of seeking each optical element 31,32, so can realize that reliability uprises by each optical element 31,32 is cooled off in the lump effectively, and promote small-sized, light-weighted projector 1.

The 2nd embodiment

Secondly, based on accompanying drawing the 2nd embodiment of the present invention is described.

In the following description, with same structure of aforementioned the 1st embodiment and same member on additional prosign, its detailed explanation is omitted or is simplified.

Fig. 4 is the figure of the summary formation of the 1A of projector in model utility ground expression the 2nd embodiment.Also have, in Fig. 4, for the convenience that illustrates, only with pedestal 34, each light supply apparatus 31, and each light source illustrate with maintenance body 351, then omit about other formation.

In the present embodiment, the 1A of projector, as be shown among Fig. 4 ground, with respect to the projector 1 that is illustrated at aforementioned the 1st embodiment, only inequality at the outside point of laying heat dumps (heatsink) 5 of external shell 2.The point formation in addition of heat dump 5 is set, same with aforementioned the 1st embodiment.

Particularly, heat dump 5 is made of the thermal conductive member of metal etc., as is shown among Fig. 4 ground, and below the 2nd tabular component 342 that constitutes pedestal 34, that is, the outside of the bottom surface of external shell 2 can be transmitted ground with the 2nd tabular component 342 heat and be installed.And, this heat dump 5, thermal conductive member by metal etc. is constituted, by have with the tabular component 51 of the roughly the same outer shape in the bottom surface of external shell 2 and outside tabular component 51 protrudes in the face of plate face the multi-disc heat radiator 52 integraty ground of direction constitute.

In the above-described 2nd embodiment, except with the same effect of aforementioned the 1st embodiment, also have following effect.

Because be provided with heat dump 5, so the heat that is delivered to external shell 2 from base side stream 34A can be dispelled the heat effectively by heat dump 5.Therefore, cooling liquid can be further cooled off, each optical element 31,32 can be more effectively cooled off in base side stream 34A circulation.

Be provided with under the situation of heat dump 5 so,, so for example, can also realizing omitting the formation of heat abstractor 37 because the radiating effect of cooling liquid improves.

The 3rd embodiment

Secondly, based on accompanying drawing the 3rd embodiment of the present invention is described.

In the following description, with same structure of aforementioned the 1st embodiment and same member on additional prosign, its detailed explanation is omitted or is simplified.

Fig. 5 is the figure of the summary formation of the 1B of projector in model utility ground expression the 3rd embodiment.Also have, in Fig. 5, with Fig. 4 similarly, for the convenience that illustrates, only to pedestal 34, each light supply apparatus 31, and each light source illustrate with maintenance body 351, then omit about other formation.

In the present embodiment, the 1B of projector, as be shown among Fig. 5 ground is with respect to the projector 1 that is illustrated at aforementioned the 1st embodiment, only at the equipping position of pedestal 34, and inequality at the outside point of laying heat dumps 5 of external shell 2.Except that the equipping position of pedestal 34 and formation the point of heat dump 5 is set, same with aforementioned the 1st embodiment.

Particularly, pedestal 34, as be shown among Fig. 5 ground is equipped on each light source with the vertical upside that keeps body 351 grades.That is, constitute the 2nd tabular component 342 of pedestal 34, be the end face of the upper shell 22 of external shell 2.

And, heat dump 5, as possess tabular component 51 and multi-disc heat radiator 52 at aforementioned the 2nd embodiment with heat conductivity with being illustrated, as be shown among Fig. 5 ground, on the 2nd tabular component 342 that constitutes pedestal 34, that is, the ground installation can be transmitted with the 2nd tabular component 342 heat in the outside of the end face of external shell 2.

As the 3rd above-mentioned embodiment ground, at the equipping position of setting pedestal 34 upside down, and be provided with under the situation of heat dump 5, also can enjoy and aforementioned the 1st embodiment, the same effect of aforementioned the 2nd embodiment.

The 4th embodiment

Secondly, based on accompanying drawing the 4th embodiment of the present invention is described.

In the following description, with same structure of aforementioned the 1st embodiment and same member on additional prosign, its detailed explanation is omitted or is simplified.

Fig. 6 is the figure of the summary formation of the 1C of projector in model utility ground expression the 4th embodiment.Also have, in Fig. 6, with Fig. 4 and Fig. 5 similarly, for the convenience that illustrates, only to pedestal 34, each light supply apparatus 31, and each light source illustrate with maintenance body 351, then omit about other formation.

In the present embodiment, the 1C of projector, as be shown among Fig. 6 ground, with respect to the projector 1 that is illustrated at aforementioned the 1st embodiment, the shape of pedestal 34, and inequality only at the outside point of laying heat dumps 5 of external shell 2.Except that the shape of pedestal 34 and formation the point of heat dump 5 is set, same with aforementioned the 1st embodiment.

Particularly, constitute the 1st tabular component 341 of pedestal 34, as be shown among Fig. 6 ground, form: with the side of external shell 2, and the bottom surface engage and have the side and see concave shape.

And, heat dump 5, with the 1st heat dump 5A, the 2nd heat dump 5B, and 3 of the 3rd heat dump 5C constituted, they possess respectively as have the tabular component 51 and the multi-disc heat radiator 52 of heat conductivity with aforementioned the 2nd embodiment and aforementioned the 3rd embodiment with being illustrated.And, the 1st heat dump 5A, as be shown among Fig. 6 ground, below the 2nd tabular component 342 that constitutes pedestal 34, that is, the outside of the bottom surface of external shell 2 can be transmitted ground with the 2nd tabular component 342 heat and be installed.The 2nd heat dump 5B, 5C, as be shown among Fig. 6 ground, in each side of the 2nd tabular component 342 that constitutes pedestal 34, that is, the outside of each side of external shell 2 can be transmitted ground with the 2nd tabular component 342 heat and be installed respectively.

In the above-described 4th embodiment, except with the same effect of aforementioned the 1st embodiment, also have following effect.

Because make the 1st tabular component 341 see concave shape for the side, so compare, the surface area from the member that cooling liquid transmitted of base side stream 34A can be enlarged with aforementioned the 1st embodiment, can improve the radiating effect of cooling liquid.

And, because respectively 3 heat dump 5A, 5B, 5C are equipped on bottom surface, and each side of external shell 2, so except the effect of bringing by the shape of above-mentioned pedestal 34, can further improve the radiating effect of cooling liquid.

The 5th embodiment

Secondly, based on accompanying drawing the 5th embodiment of the present invention is described.

In the following description, with same structure of aforementioned the 1st embodiment and same member on additional prosign, its detailed explanation is omitted or is simplified.

Fig. 7, Fig. 8 A and Fig. 8 B are that the figure that the light source in the 5th embodiment constitutes with the summary that keeps body 451 is represented on model utility ground respectively.Also have, in Fig. 7, for the convenience that illustrates, will be from the ejaculation direction of the light beam of the light supply apparatus 31 that is kept with maintenance body 451 with light source as the Z axle, and will be orthogonal to 2 of Z axle respectively as X-axis, Y-axis.Particularly, Fig. 7 is from the stereographic map of upper side light source with maintenance body 451.Fig. 8 A is with keeping body 451 to carry out the sectional view that dissects with the plane that is parallel to the XY plane with light source.Fig. 8 B is with keeping body 451 to carry out the sectional view that dissects with the plane that is parallel to the YZ plane with light source.

Present embodiment, with respect to aforementioned the 1st embodiment, only light source is inequality with the structure that keeps body 451.Formation except that the structure of light source usefulness maintenance body 451 point inequality is with the aforementioned the 1st

Embodiment is same.

Light source is with keeping body 451, as is shown among Fig. 7, Fig. 8 A or Fig. 8 B ground, possesses: outer framework 4511, multi-disc plate body 4512 (Fig. 8 A, Fig. 8 B) and a pair of fluid output 4513.

Outer framework 4511, as be shown among Fig. 7, Fig. 8 A or Fig. 8 B ground, constituted with 6 tabular body 4511A～4511F that thermal conductive member was constituted by metal etc., by being combined, 6 tabular body 4511A～4511F have rectangular shape.And, framework 4511 inside outside, as be shown among Fig. 8 A or Fig. 8 B ground, form the space 4511G that is surrounded with 6 tabular body 4511A～4511F.

Among 6 tabular body 4511A～4511F,, as be shown among Fig. 8 A ground, form a pair of intercommunicating pore 4511B1 that space 4511G and outer framework 4511 external communications are got up at the tabular body 4511B of the lower side end face that forms outer framework 4511.

And outer framework 4511, as be shown among Fig. 7 ground among 6 tabular body 4511A～4511F, can heat keep light supply apparatus 31 with the end face of the plate body 4511E that set along the XY plane with transmitting.

Multi-disc plate body 4512 is made of the thermal conductive member of metal etc., as is shown among Fig. 8 A or Fig. 8 B ground, is equipped on outer framework 4511 volume inside 4511G, can heat be connected with outer framework 4511 with transmitting.More specifically, these plate bodys 4512 for example, have the gauge of tens μ m～hundreds of μ m degree.And, these plate bodys 4512, as be shown among Fig. 8 A or Fig. 8 B ground, each plate face is parallel to the XZ plane between the pair of plate-shaped body 4511E, the 4511F that are set along the XY plane of framework 4511 outside, and the interval of spaced-apart tens μ m～hundreds of μ m degree and setting up.That is, these plate bodys 4512 can heat be connected with pair of plate-shaped body 4511E, 4511F with transmitting.

A pair of fluid output 4513, as be shown among Fig. 7 or Fig. 8 A ground, being constituted with the tubular element that cooling liquid can be circulated in inside, the end of each side's side is connected respectively to a pair of intercommunicating pore 4511B1 of the tabular body 4511B that is formed at outer framework 4511.

And the end 4513A of each the opposing party's side of a pair of fluid output 4513 is inserted in the through hole 3411 of pedestal 34, brings into play function as the maintenance side connecting portion that is used for connecting with respect to pedestal 34.And, under this state, a pair of fluid output 4513,34A is communicated with the base side stream.And, at the cooling liquid of base side stream 34A circulation, as being shown among Fig. 7 or Fig. 8 A ground, the fluid output 4513 by any one party among a pair of fluid output 4513 imports to space 4511G.In the 4511G of space, cooling liquid, as be shown among Fig. 8 A ground, in the circulation of the gap of 4512 of each plate bodys.Then, the cooling liquid in the 4511G of space, as be shown among Fig. 7 or Fig. 8 A ground, export to base side stream 34A once more by the fluid output 4513 of any the opposing party among a pair of fluid output 4513.That is, a pair of fluid output 4513 and space 4511G become the maintenance side stream 451A (Fig. 7, Fig. 8 A) that with maintenance body 451 inside cooling liquid can be circulated at light source.

That is, light source is with keeping body 451, constituted with the heat exchanger of so-called microchannel etc.

In the above-described 5th embodiment, except with the same effect of aforementioned the 1st embodiment, also have following effect.

3 light sources are with keeping bodies 451, because possess outer framework 4511, multi-disc plate body 4512, reach fluid output 4513, are constituted with the heat exchanger of microchannel etc., so can increase the surface area that contacts with cooling liquid at internal circulation.Therefore, result from the heat of each light supply apparatus 31, can be delivered to effectively in the cooling liquid that keeps side stream 451A circulation, the cooling effectiveness of each light supply apparatus 31 is improved.

The 6th embodiment

Secondly, based on accompanying drawing the 6th embodiment of the present invention is described.

In the following description, with same structure of aforementioned the 1st embodiment and same member on additional prosign, its detailed explanation is omitted or is simplified.

Fig. 9 and Figure 10 are the figure that the summary as the 1D of projector of optical device in model utility ground expression the 6th embodiment constitutes.Also have, in Fig. 9 and Figure 10,, external shell is omitted for the convenience that illustrates.

In the present embodiment, with respect at aforementioned the 1st embodiment, only appended the point of the member of 3 bar-shaped integrators 38 and 3 collector lenses 39, the light source that keeps body with pedestal 54, as element with keep body 551, as the pump 56 of fluid force feed portion, and the structure of heat abstractor 57 point that carried out change, reach each member 31～33,38,39,56,57 inequality with respect to the point that the allocation position of pedestal 54 has carried out change.Other formation, same with aforementioned the 1st embodiment.

3 bar-shaped integrators 38, be roughly same formation, as be shown among Fig. 9 or Figure 10 ground, be equipped on the light path preceding-stage side of each panel respectively with maintenance body 352 (each liquid crystal light valve 32), respectively by incident from each emitted coloured light of each light supply apparatus 31, the Illumination Distribution that makes this incident beam is homogenising and penetrating towards each liquid crystal light valve 32 roughly.These bar-shaped integrators 38, as be shown among Fig. 9 or Figure 10 ground, have from subtend in each panel with the light emitting side end that keeps body 352 (each liquid crystal light valve 32) and extend the light path preceding-stage side, and roughly 90 ° and roughly L shape is seen on the plane of extending of bearing of trend fore-end bendings.

As this bar-shaped integrator 38, for example, can adopt inner body to be formed with the light transmission member, and the bar-shaped integrator with following function: make the light that imports to inside from the light incident side end, the inner full-reflection that causes by the difference because of the refractive index of the medium on the border of excellent side is while reflecting direct light emitting side end, makes from the Illumination Distribution of the emitted light in light emitting side end homogenising roughly.And, be not limited to above-mentioned bar-shaped integrator, also can adopt also be known as light tunnel (lighttunnel), form medial surface with the covered hollow form of reflecting surface, and the bar-shaped integrator with following function: make the light that imports to inside from the light incident side end, reflect on one side direct light emitting side end on one side, make from the Illumination Distribution of the emitted light in light emitting side end homogenising roughly with the reflecting surface of medial surface.

3 collector lenses 39, be roughly same formation, as be shown among Fig. 9 or Figure 10 ground, subtend sets respectively in ground, the light incident side end of each bar-shaped integrator 38, makes it carrying out optically focused from each light supply apparatus 31 each emitted coloured light to import to inside from the light incident side end of each bar-shaped integrator 38 of light path rear-stage side.

Pedestal 54, as be shown among Fig. 9 or Figure 10 ground, by light source with keep body 551 and panel with keeping body 352 to 31,3 liquid crystal light valves 32 of 3 light supply apparatuses, reach cross colour splitting prism 33 and support, and pump 56 and heat abstractor 57 are supported.This pedestal 54, as be shown among Fig. 9 or Figure 10 ground, possess the 1st tabular component 541 and the 2nd tabular component 542 of mutual lamination.

The 2nd tabular component 542, as be shown among Fig. 9 or Figure 10 ground has the plane and sees roughly コ shape, and is arranged at the bottom surface of the not shown external shell that goes out.

At the 2nd tabular component 542, at the end face of the 1st tabular component 541 sides, as be shown among Figure 10 ground, form the 2nd and place portion 5421, it has than the big some outer shape of the outer shape of pump 56, and in the thickness direction depression of the 2nd tabular component 542 and pump 56 can be placed configuration.

Figure 11 is a stereographic map of seeing the 1st tabular component 541 from lower side (the 2nd tabular component 542 sides).

The 1st tabular component 541, as be shown among Fig. 9 or Figure 10 ground has for seeing roughly コ shape with the roughly the same plane of the 2nd tabular component 542.

At the 1st tabular component 541, placing the position of portion 5421 corresponding to the 2nd of the 2nd tabular component 542, as be shown among Fig. 9～Figure 11 ground, forming the 1st and place portion 5411, it has than the big some outer shape of the outer shape of pump 56, and in the perforation table and pump 56 can be placed and be disposed at inside.

That is, the 1st place portion 5411 and the 2nd and place portion 5421 and be equivalent to recess among the present invention.

And, in the 1st tabular component 541,, as be shown among Figure 11 ground at the end face of the 2nd tabular component 542 sides, form a plurality of slot parts 5412.In the present embodiment, slot part 5412, as be shown among Figure 11 ground, form 8.And these slot parts 5412 engage by mutual lamination the 1st tabular component 541 and the 2nd tabular component 542, as are shown among Figure 11 ground, become the base side stream 54A that cooling liquid can be circulated.Also have, the joint about the 1st tabular component 541 and the 2nd tabular component 542 can adopt all methods, as with aforementioned the 1st embodiment ground being described, for example, both can engage by welding, also can engage with screw element etc. by elastic component.That is, when the 1st tabular component 541 and the 2nd tabular component 542 have been carried out joint,, can adopt any joint method as long as the cooling liquid in the base side stream 54A does not drain to the outside.

And then, at the 1st tabular component 541, as be shown among Figure 10 or Figure 11 ground, under the state that is engaged in the 2nd tabular component 542, form a plurality of through holes 5413 that base side stream 54A and external communications are got up.In the present embodiment, through hole 5413, as be shown in Figure 10 or 11 ground, corresponding to the quantity of slot part 5412, form 16.

At this, 2 through hole 5413A among a plurality of through holes 5413 at the 1st sidewall that places portion 5411, are communicated in 2 slot part 5412 ground respectively and form.

And, the through hole 5413 beyond the through hole 5413A among a plurality of through holes 5413, as be shown among Figure 10 or Figure 11 ground, corresponding to the end of slot part 5412, form to such an extent that connect in the table of the 1st tabular component 541.

At this, through hole 5413B among a plurality of through holes 5413 corresponding to each panel usefulness maintenance body 352, with the shape of the through hole 3411 that is illustrated with aforementioned the 1st embodiment similarly, for example have that upper side has carried out hole enlargement and lower side has been carried out the stairstepping of undergauge, as the both ends 3512A (keep side connecting portion) of each panel with the fluid output 3512 that keeps body 352 navigated to the base side connecting portion in precalculated position and bring into play function.

And, among a plurality of through holes 5413 corresponding to each light source peripheral part with the through hole 5413C that keeps body 551, as be shown among Figure 10 ground, form respectively corresponding to the recess 5414 of each light source with the outer shape of the lower side end that keeps body 551.And each light source is embedded in each recess 5414 respectively by the lower side end, and navigates to the precalculated position with respect to pedestal 54 with keeping body 551.And, at the bottom surface portions of each recess 5414, as be shown among Figure 10 ground, be formed for respectively each light source with the threaded hole 5414A that keeps body 551 to fix.

And, in the present embodiment, pedestal 54, with aforementioned the 1st embodiment similarly, constituted with the metal material of aluminium etc.Also have, though concrete diagram is omitted, the external shell of mounting base 54 (for example, lower house) is constituted with the metal material of aluminium etc. similarly, and pedestal 54 and outer dress shell spare can heat connect with transmitting.

Also have, pedestal 54 and external shell are not limited to metal material, so long as have the member of heat conductivity, constitute with any material that all it doesn't matter.

Figure 12 is the expression light source sectional view of maintenance body 551 with respect to the connection status of pedestal 54.Also have, in Figure 12, for the convenience that illustrates, will be from the ejaculation direction of the light beam of the light supply apparatus 31 that is kept with maintenance body 551 with light source as the Z axle, and will be orthogonal to 2 of Z axle respectively as X-axis, Y-axis.Particularly, Figure 12 is with keeping body 551 to carry out the sectional view that dissects with the plane that is parallel to the XY plane with pedestal 54 and light source.

3 light sources are with keeping body 551, because constituted with same shape respectively, so following, only 1 light source is described with maintenance body 551.

Light source is with keeping body 551, as is shown among Fig. 9, Figure 10 or Figure 12 ground, possesses: keep phosphor bodies 5511, cap-like structure 5512 (Fig. 9, Figure 10) and multi-disc plate body 5513 (Figure 12).

Keep phosphor bodies 5511, constituted with the thermal conductive member of metal etc., though concrete diagram is omitted, the case shape member that has carried out the rectangular shape of opening with the end face (X-direction end face) of side's side is constituted.

Keep phosphor bodies 5511 at this,, as be shown among Figure 12 ground, form and make cooling liquid flow into the inflow entrance 5511A of volume inside 5511D and make inner cooling liquid flow out flow export 5511B to the outside in lower side end face (side end face).

And, keep phosphor bodies 5511 at this, as be shown among Fig. 9, Figure 10 or Figure 12 ground, form a pair of installation portion 5511C that extends the direction of opening disconnected from each other along the lower side end face.

Cap-like structure 5512 is constituted with the thermal conductive member of metal etc., is the member that can heat keep light supply apparatus 31 with transmitting.And cap-like structure 5512 has than the big some shapes of the opening that keeps phosphor bodies 5511, and the opening portion that keeps phosphor bodies 5511 is carried out obturation.That is, by keeping phosphor bodies 5511 that cap-like structures 5512 are installed, as be shown among Figure 12 ground, form space 5511D to keep phosphor bodies 5511 and cap-like structure 5512 to be surrounded.

Multi-disc plate body 5513 is constituted with the thermal conductive member of metal etc., as is shown among Figure 12 ground, is equipped on to keep phosphor bodies 5511 volume inside 5511D.More specifically, these plate bodys 5513, with the plate body 4512 that is illustrated with aforementioned the 5th embodiment similarly, for example, have the gauge of tens μ m～hundreds of μ m degree.And, these plate bodys 5513, as be shown among Figure 12 ground, between the bottom surface (subtend is in the end face of light supply apparatus 31) and cap-like structure 5512 of the case shape that keeps phosphor bodies 5511, each plate face is parallel to the XZ plane, and the interval of spaced-apart tens μ m～hundreds of μ m degree and setting up.That is, these plate bodys 5513 can heat be connected with keeping phosphor bodies 5511 and cap-like structure 5512 with transmitting.

And, above-mentioned light source is with keeping body 551, as be shown among Figure 12 ground, by keeping the lower side end of phosphor bodies 5511, by with rubber etc. constituted, have and the elastic component 5514 of light source with the identical outer shape of the outer shape (except inflow entrance 5511A and flow export 5511B) of the lower side end face that keeps body 551, be embedded in the recess 5414 of pedestal 54, navigate to precalculated position, by threadingly engaging in the threaded hole 5414A of pedestal 54 by retaining thread spare 5515 by a pair of installation portion 5511C that keeps phosphor bodies 5511 and being fixed with respect to pedestal 54 with respect to pedestal 54.Under this state, light source, is communicated with space 5511D and base side stream 54A by the through hole 5413C of pedestal 54 with the inflow entrance 5511A and the flow export 5511B that keep body 551.And, at the cooling liquid of base side stream 54A circulation, as be shown among Figure 12 ground, import to space 5511D by through hole 5413C and inflow entrance 5511A.In the 5511D of space, cooling liquid, with aforementioned the 5th embodiment similarly, as be shown in Figure 12 ground, in the circulation of the gap of 5513 of each plate bodys.Then, the cooling liquid in the 5511D of space, as be shown among Figure 12 ground exports to base side stream 54A once more by flow export 5511B and through hole 5413C.That is, inflow entrance 5511A, flow export 5511B, and space 5511D, with aforementioned the 5th embodiment similarly, become the maintenance side stream 451A (Figure 12) that with maintenance body 551 inside cooling liquid can be circulated at light source.

That is, light source is with keeping body 551, with the light source that is illustrated with aforementioned the 5th embodiment with keeping body 451 similarly, constituted with the heat exchanger of so-called microchannel etc.

Pump 56 has the function same with the pump that is illustrated with aforementioned embodiments 1 36, and in the present embodiment, only its shape is inequality.More specifically, this pump 56 sucks cooling liquid and a pair of throughput 561 of force feed is given prominence to (Figure 10) from a side end face that intersects at surface level.And pump 56 is disposed at the 1st and places portion 5411 and the 2nd and place portion 5421 inside by a pair of throughput 561 being inserted in each through hole 5413A of pedestal 54, placing, and supported to fix by pedestal 54.Under this state, pump 56, be equipped on base side stream 54A (Figure 11) and respectively keep to suck and force feed by a pair of throughput 561 by driving the cooling liquid that makes in this stream in the stream that side stream 451A (Figure 12), 352A (Fig. 3) be communicated with.And, under the state that assembles the 1D of projector, as be shown among Fig. 9 ground, interfere to planarity in pump 56 ground, promptly at the bar-shaped integrator 38 of the upper side configuration green light side of pump 56.

Heat abstractor 57 has the function same with the heat abstractor that is illustrated with aforementioned embodiments 1 37, and in the present embodiment, only the shape of heating radiator 571 is inequality.More specifically, heating radiator 571 has the formation of having omitted a pair of throughput 3711 that is illustrated with aforementioned embodiments 1.That is, heating radiator 571, as be shown among Figure 10 ground, by the lower side end face is fixed with the state that has carried out touching with respect to pedestal 54, supported to fix by pedestal 54.Under this state, heating radiator 571 is equipped on base side stream 54A (Figure 11) and respectively keeps in the stream that side stream 451A (Figure 12), 352A (Fig. 3) be communicated with.

Secondly, with reference to Figure 11, the circulation status of the cooling liquid in the present embodiment is described.Also have, following, as be shown among Fig. 9～Figure 11 ground, for the convenience that illustrates, among 3 light sources are used maintenance body 551, use the maintenance body as light source maintenance body 551R the light source that is equipped on R coloured light side, use the maintenance body as light source maintenance body 551G the light source that is equipped on G coloured light side, the light source that will be equipped on B coloured light side uses the maintenance body as light source maintenance body 551B.About 3 panels with keeping bodies 352, with aforementioned the 1st embodiment similarly, as panel with keeping body 352R, 352G, 352B.

In the present embodiment, by with respect to pedestal 54, with each light source with keeping body 551, each panel with keeping body 352, pump 56, reaching heating radiator 571 and connect, each light source is used and is kept body 551, each panel with keeping body 352, pump 56, reach heating radiator 571, reach by base side stream 54A (Figure 11) respectively to keep side stream 451A (Figure 12), 352A (Fig. 3) in series to be connected.

And, driving by making pump 56, cooling liquid is pressed to base side stream 54A from pump 56.

Flow into the cooling liquid of base side stream 54A, flow into light source with keeping the interior maintenance side stream 451A of body 551R.At this moment, the heat that the driving by LED module 31R produces, by light source with keeping body 551R to be delivered to cooling liquid in the maintenance side of inside stream 451A circulation.

, flow into base side stream 54A, and flow into heating radiator 571 inside with the cooling liquid that keeps the maintenance side stream 451A circulation in the body 551B at light source.At this moment, the heat at the cooling liquid of heating radiator 571 internal circulations rejects heat to the outside by heating radiator 571, and the driving by cooling fan 372, is dispelled the heat and the air that heated up is discharged to projector 1D outside.

Cooling liquid at heating radiator 571 internal circulations, flow into base side stream 54A, and with aforementioned the 1st embodiment roughly similarly, along base side stream 54A～panel with keeping maintenance side stream 352A～base side stream 54A～panel in the body 352R with keeping the maintenance side stream 352A～base side stream 54A～panel in the body 352G to circulate with the maintenance side stream 352A in the maintenance body 352B.At this moment, since the heat that is produced from the irradiation of the light beam of each light supply apparatus 31 and at each liquid crystal light valve 32 by each panel with keeping body 352 to be delivered to the cooling liquid that circulates at the maintenance side of inside stream 352A.

With the cooling liquid that keeps the maintenance side stream 352A circulation in the body 352B, flow into base side stream 54A at panel, and flow into the light source maintenance side stream 451A that keeps in the body 551G.At this moment, the heat by G coloured light produces with the driving of LED module (diagram slightly) is delivered in the cooling liquid of the maintenance side of inside stream 451A circulation with maintenance body 551G by light source.

With the cooling liquid that keeps the maintenance side stream 451A circulation in the body 551G, flow into base side stream 54A at light source, and flow into the light source maintenance side stream 451A that keeps in the body 551B.At this moment, the heat that produces with the driving of LED module (diagram slightly) by B coloured light, by light source with keeping body 551B to be delivered in the cooling liquid that the maintenance side of inside stream 451A circulates.

, flow into base side stream 54A, and be inhaled into once more in the pump 56 with the cooling liquid that keeps the maintenance side stream 451A circulation in the body 551B at light source.

As above ground, by base side stream 54A and respectively keep side stream 451A, 352A, cooling liquid circulates with maintenance body 551B～pump 56 with maintenance body 551G～light source with maintenance body 352B～light source with keeping body 352G～panel with keeping body 352R～panel with keeping body 551R～panel along pump 56～light source.

In the above-described 6th embodiment, except with the same effect of aforementioned the 1st embodiment and aforementioned the 5th embodiment, following effect is arranged.

The 5th embodiment ground as described above, in a pair of fluid output 4513 for being provided with so that tubular element was constituted with maintenance body 451 at light source, by a pair of fluid output 4513, under the situation of the formation that the base side stream 34A of pedestal 34 and light source are communicated with the maintenance side stream 451A that keeps body 451, when cooling liquid circulates between base side stream 34A and space 4511G, because a pair of fluid output 4513 and stream narrows down is easy to generate the pressure loss in a pair of fluid output 4513.That is, at base side stream 34A and respectively keep being difficult to make cooling liquid with good flow rate in the stream that side stream 451A, 352A be communicated with, be difficult to effectively each optical element 31,32 to be cooled off.And, the 5th embodiment ground as described above, in a pair of throughput 3711 for being provided with so that tubular element was constituted at heating radiator 371, make by a pair of throughput 3711 under the situation of the inner and formation that base side stream 34A is communicated with of heating radiator 371, with similarly above-mentioned, be easy to generate the pressure loss in a pair of throughput 3711.

In the present embodiment, light source constitutes with keeping body 551: the recess 5414 that is embedded in pedestal 54 by the lower side end that will be formed with inflow entrance 5511A and flow export 5511B makes maintenance side stream 451A and base side stream 34A be communicated with.Thus, needn't produce the pressure loss in the stream that can be suppressed at base side stream 34A and respectively keep side stream 451A, 352A to carry out being communicated with at light source with keeping body 551 that a pair of fluid output is set.

And heating radiator 571 constitutes similarly: make heating radiator 571 inside and base side stream 34A be communicated with by the lower side end is touched in pedestal 54.Thus, needn't a pair of throughput be set, produce the pressure loss in the stream that can be suppressed at base side stream 34A and respectively keep side stream 451A, 352A to carry out being communicated with at heating radiator 571.

Thereby,, can cool off each optical element 31,32 effectively at base side stream 34A and respectively keep can making cooling liquid with good flow rate among side stream 451A, the 352A.

And, pump 56, be disposed at the 1st of pedestal 54 and place portion 5411 and the 2nd and place portion 5421 because place,, can effectively utilize the space on the pedestal 54 so compare with the 1st embodiment, aforementioned the 5th embodiment ground as described above are provided with pump 36 on pedestal 34 formation.Therefore, the space on pedestal 54 can make and the member of formation (bar-shaped integrator 38 of green light side) of the pump 56 planarityes ground interference ground configuration 1D of projector, the degree of freedom of the design of the 1D of projector is improved, and can seek the miniaturization of the 1D of projector.

The 7th embodiment

Secondly, based on accompanying drawing the 7th embodiment of the present invention is described.

In the following description, with same structure of aforementioned the 1st embodiment and same member on additional prosign, its detailed explanation is omitted or is simplified.

Figure 13 is the light source figure of maintenance body 351 with respect to the position adjustment structure of pedestal 34 in expression the 7th embodiment.Also have, in Figure 13, for the convenience that illustrates, for having removed pedestal 34 and light source partial cross sectional views with a part that keeps body 351.

In aforementioned the 1st embodiment, constitute: by the shape of light source with the through hole 3411 of the length dimension of the projected direction of the both ends 3512A that keeps body 351, pedestal 34, only, just light supply apparatus 31 can be navigated to precalculated position with respect to pedestal 34 by both ends 3512A is inserted in through hole 3411.

With respect to this, in the 7th embodiment, light source is with keeping body 351 and pedestal 34, by connecting mutually, make to keep side stream 351A and base side stream 34A to be communicated with, and can adjust the mutual position ground formation of light source with maintenance body 351 and pedestal 34.That is, light source can carry out the position to light supply apparatus 31 with respect to pedestal 34 and adjust the ground formation with keeping body 351 and pedestal 34.Other formation, same with aforementioned the 1st embodiment.

In the present embodiment, at the 1st tabular component 341, among a plurality of through holes 3411, the through hole 6411 that keeps the fluid output 3512 of side connecting portion to be connected with the conduct that keeps body 351 with light source as the base side connecting portion, as be shown among Figure 13 ground, be the hole shape bigger than the outer shape of fluid output 3512, fore-end ground that can fluid throughput 3512 with the gap engagement state constitutes.

By as above formation, as be shown in as follows, can carry out the position adjustment of light supply apparatus 31.

At first, as be shown among Figure 13 ground, under the front end of the two end portions of fluid output 3512 has been installed state with the O that elastic component the was constituted ring 6513 of rubber etc. respectively, the front end of the two end portions of fluid output 3512 be disposed at through hole 6411 respectively.Under this state, O ring 6513 carries out obturation with the gap of 3512 of through hole 6411 and fluid output.And, in through hole 6411 inside, by the horizontal direction (be orthogonal to direction from fluid output 3512 to the direction of insertion of through hole 6411) of fluid output 3512 in Figure 13 moved, under the state in the gap of 3512 of encircled 6513 obturations with O through hole 6411 and fluid output, can make light source with keeping body 351 with respect to moving on the horizontal direction of pedestal 34 in Figure 13.And, in through hole 6411 inside, by the vertical (fluid output 3512 to the direction of insertion of through hole 6411) of fluid output 3512 in Figure 13 moved, under the state in the gap of 3512 of encircled 6513 obturations with O through hole 6411 and fluid output, can make light source with keeping body 351 with respect to moving on the vertical of pedestal 34 in Figure 13.

As above ground, with respect to pedestal 34, by light source is adjusted with the spatial position that keeps body 351, can be to being adjusted with the spatial position of the light supply apparatus 31 that keeps body 351 to be kept by light source.

Also have, when adjusting, for example, can implement as being shown in as follows with respect to the spatial position of 34 pairs of light supply apparatuses 31 of pedestal.

At first, pre-set liquid crystal light valve 32 and cross colour splitting prism 33 etc. with respect to pedestal 34.And,,, be provided with maintenance body 351 by 6513 pairs of light sources of O ring as above-mentioned ground with respect to pedestal 34.

Then, to being lighted with the light supply apparatus 31 that keeps body 351 to be kept by light source, and on one side the light beam that has passed through liquid crystal light valve 32 and cross colour splitting prism 33 etc. is carried out instrumentation by illuminometer etc., on one side as above-mentionedly light source is adjusted with respect to the spatial position of pedestal 34 with maintenance body 351, made light source become maximum position with keeping body 351 to be positioned at lightness (illumination).

After this, as be shown among Figure 13 ground, the gap of fluid output 3512 and through hole 6411 fixed by bonding agent 6514.

Then, as above ground, by carrying out the position adjustment with respect to 34 pairs of light sources of pedestal with maintenance body 351 and fix, as be shown among Figure 13 ground, by fluid output 3512, the base side stream 34A of pedestal 34 and light source are communicated with the maintenance side stream 351A that keeps body 351.

In the above-described 7th embodiment, except with the same effect of aforementioned the 1st embodiment, also have following effect.

The 1st embodiment ground as described above, be that light source is got up by the profile reference connection with the both ends 3512A that keeps body 351 and the through hole 3411 of pedestal 34, light supply apparatus 31 is navigated under the situation with respect to the formation in the precalculated position of pedestal 34, need be with respect to light source with keeping suitably positioned light source device 31 of body 351, light supply apparatus 31 might numerous and diverseization with the installation exercise that keeps body 351 with respect to light source.Especially, light supply apparatus 31, because the Illumination Distribution of emitted light beam is inequality by every solid, so liquid crystal light valve 32 ground that are difficult to make light beam shine well and become lighting object suitably position light supply apparatus 31 with maintenance body 351 with respect to light source.

In the present embodiment, light source can constitute with the mutual position that keeps body 351 and pedestal 34 light source with keeping body 351 and pedestal 34 with adjusting.Thus, though with light supply apparatus 31 with respect to light source with keeping body 351 suitably locate, by adjusting with the spatial position of maintenance body 351, also light supply apparatus 31 can be navigated to the position suitable with respect to pedestal 34 with respect to 34 pairs of light sources of pedestal.Therefore, light supply apparatus 31 can not numerous and diverseization with the installation exercise that keeps body 351 with respect to light source.And, by adjusting with the spatial position that keeps body 351 with respect to 34 pairs of light sources of pedestal, the liquid crystal light valve 32 that can easily make light beam shine well light supply apparatus 31 location to become lighting object.

At this, in the present embodiment, because make with respect to 34 pairs of light sources of pedestal with keeping body 351 to carry out the structure that the position is adjusted, two end portions with fluid output 3512, constitute with the through hole 6411 that the gap engagement state is configured respectively with the front end of two end portions that can convection cell circulation portion 3512, so can seek the simplification of structure.

The 8th embodiment

Secondly, based on accompanying drawing the 8th embodiment of the present invention is described.

In the following description, with same structure of aforementioned the 1st embodiment and aforementioned the 7th embodiment and same member on additional prosign, its detailed explanation is omitted or is simplified.

Figure 14 is the light source figure of maintenance body 751 with respect to the position adjustment structure of pedestal 34 in expression the 8th embodiment.Also have, in Figure 14, for the convenience that illustrates, for having removed pedestal 34 and light source partial cross sectional views with a part that keeps body 751.

Present embodiment, with respect to aforementioned the 7th embodiment, only to be formed with the point of flange part 7513 inequality on integraty ground respectively with the front end of the two end portions of the fluid output 3512 of maintenance body 751 constituting light source.Other formation, same with aforementioned the 7th embodiment.

Each flange part 7513, as be shown among Figure 14 ground, have same shape respectively, and be formed at fluid output 3512 with expanding to ground, outside integraty from the outer peripheral portion of fluid output 3512.And each flange part 7513, as be shown among Figure 14 ground is inserted in the through hole 6411 of pedestal 34 respectively by the two end portions with fluid output 3512, and subtend is in the peripheral part of through hole 6411.

At this flange part 7513, as be shown among Figure 14 ground, form a plurality of fixing hole 7513A that use, it extends on vertical, and is used for respect to pedestal 34 light source with keeping body 751 to fix.These are a plurality of fixingly uses hole 7513A, as is shown among Figure 14 ground, has the hole shape bigger than the threaded portion 7514A of a plurality of retaining thread spares 7514, and has the little hole shape than screw element head 7514B.

And, in the present embodiment,, as be shown among Figure 14 ground at pedestal 34, corresponding to a plurality of fixing hole 7513A that uses of flange part 7513, form a plurality of threaded holes 7412 that threadingly engage in a plurality of retaining thread spares 7514.

By as above formation, as be shown in following ground, can carry out the position adjustment of light supply apparatus 31.

At first, as be shown among Figure 14 ground, have under outer shape bigger and the state being gripped with respectively between each flange part 7513 and each through hole 6411 peripheral parts, the front end of the two end portions of fluid output 3512 is disposed at each through hole 6411 with the gap engagement state respectively with the O that elastic component the was constituted ring 7515 of rubber etc. than through hole 6411.And, as be shown among Figure 14 ground, a plurality of retaining thread spares 7514 are inserted into a plurality of fixing with among the 7513A of hole of each flange part 7513, and a plurality of retaining thread spares 7514 are threadingly engaged in a plurality of threaded holes 7412.Under this state, flange part 7513 and O ring 7515 carries out obturation with the gap of 3512 of through hole 6411 and fluid output.And, because the gap that through hole 6411 and fluid output are 3512, and it is a plurality of fixing with the gap between the threaded portion 7514A of hole 7513A and a plurality of retaining thread spare 7514, by the horizontal direction (be orthogonal to direction from fluid output 3512 to the direction of insertion of through hole 6411) of fluid output 3512 in Figure 14 moved, under the state in the gap of 3512 of encircled 7515 obturations with flange part 7513 and O through hole 6411 and fluid output, can make light source with keeping body 751 with respect to moving on the horizontal direction of pedestal 34 in Figure 14.And, change by the state that is threadedly engaged with a plurality of retaining thread spares 7514 and a plurality of threaded hole 7412, under the state in the gap of 3512 of encircled 7515 obturations with flange part 7513 and O through hole 6411 and fluid output, can make light source with keeping body 751 last mobile with respect to the vertical (fluid output 3512 is to the direction of insertion of through hole 6411) of pedestal 34 in Figure 14 with flange part 7513 and fluid output 3512.

As above ground, with respect to pedestal 34, by light source is adjusted with the spatial position that keeps body 751, can be to being adjusted with the spatial position of the light supply apparatus 31 that keeps body 751 to be kept by light source.

Also have, when adjusting with respect to the spatial position of 34 pairs of light supply apparatuses 31 of pedestal, with aforementioned the 7th embodiment similarly, for example, as above-mentionedly to light source with keeping body 751 to adjust with respect to the spatial position of pedestal 34, make emitted and lightness (illumination) that passed through the light beam of liquid crystal light valve 32 and cross colour splitting prism 33 etc. becomes maximum from light supply apparatus 31.After this, as be shown among Figure 14 ground, a plurality of retaining thread spares 7514 be fixed in pedestal 34 and flange part 7513 by bonding agent 7516.

Then, as above ground, by carrying out the position adjustment with respect to 34 pairs of light sources of pedestal with maintenance body 751 and fix, as be shown among Figure 14 ground, by fluid output 3512, the base side stream 34A of pedestal 34 and light source are communicated with the maintenance side stream 351A that keeps body 751.

In the above-described 8th embodiment, except with the same effect of aforementioned the 7th embodiment, also have following effect.

In the present embodiment, form flange part 7513 in integraty ground respectively at the front end of the two end portions of fluid output 3512, flange part 7513 can be connected to ground, the peripheral part formation of through hole 6411.Thus, with respect to pedestal 34, after light source has been carried out adjusting with the spatial position that keeps body 751, by flange part 7513 being connected in the peripheral part of through hole 6411, the formation that flange part 7513 is not set with the 7th embodiment ground is as described above compared, light source can be kept well with the stationary state that keeps body 751 with respect to pedestal 34, the offset of light supply apparatus 31 can be prevented with respect to pedestal 34.

And, in aforementioned the 7th embodiment, when light source is adjusted with respect to the spatial position of pedestal 34 with maintenance body 351, in through hole 6411 inside, move if make on the horizontal direction of fluid output 3512 in Figure 13, then the amount of recess of O ring 6513 is according to the position and different.That is, for example fluid output 3512 is approached under the situation of inner peripheral surface of through hole 6411 terrifically, might drain to the outside by through hole 6411 at the cooling liquid of base side stream 34A circulation.With respect to this, in the present embodiment, with the O ring 7515 of configuration between flange part 7513 and pedestal 34 inaccessible structure is carried out in the gap of 3512 of through hole 6411 and fluid output because be, even so in through hole 6411 inside, make on the horizontal direction of fluid output 3512 in Figure 14 under the situation about moving, also O can be encircled 7515 amount of recess and remain necessarily.That is, can prevent from reliably to drain to the outside by through hole 6411 at the cooling liquid of base side stream 34A circulation.

The 9th embodiment

Secondly, based on accompanying drawing the 9th embodiment of the present invention is described.

In the following description, with same structure of aforementioned the 8th embodiment and same member on additional prosign, its detailed explanation is omitted or is simplified.

Figure 15 is the light source figure of maintenance body 851 with respect to the position adjustment structure of pedestal 34 in expression the 9th embodiment.Also have, in Figure 15, for the convenience that illustrates, for having removed pedestal 34 and light source partial cross sectional views with a part that keeps body 851.

In aforementioned the 8th embodiment, form flange part 7513 with respect to fluid output 3512 integraty ground.

In the 9th embodiment, as be shown among Figure 15 ground with respect to this, constitute flange part 8513 with split with respect to fluid output 3512.Other formation, same with aforementioned the 8th embodiment.

At this, in the present embodiment, fluid output 3512, as be shown among Figure 15 ground forms the thread groove 6512A that is threadedly engaged with mutually with flange part 8513 respectively at the front end of two end portions.

Flange part 8513, as be shown among Figure 15 ground, corresponding to the two end portions of fluid output 3512 be respectively 2 of same shape constituted.Flange part 8513, as be shown among Figure 15 ground, to have the vertical of extending and the general cylindrical shape shape of the inserting hole 8513A that the front end of the two end portions of fluid output 3512 inserts is respectively formed, comprise: have and the flange part 7513 that is illustrated at aforementioned the 8th embodiment wide diameter portion 8513B of same shape roughly, little with the outer shape that has than wide diameter portion 8513B, and, extend the reducing diameter part 8513C of lower side from the lower side end face of wide diameter portion 8513B than the little outer shape of hole shape of the through hole 6411 of pedestal 34.

At this, in inserting hole 8513A,, as be shown among Figure 15 ground at interior all end faces (upper side of interior all end faces) of wide diameter portion 8513B side, form the thread groove 8513A1 that the thread groove 6512A with fluid output 3512 is threadedly engaged with.

And, in the present embodiment, be formed at a plurality of fixing hole 8513D that uses of flange part 8513, as be shown among Figure 15 ground, with be illustrated at aforementioned the 8th embodiment a plurality of fixing with hole 7513A similarly, the width dimensions of horizontal direction among Figure 15 (being orthogonal to the direction of fluid output 3512 to the direction of insertion of through hole 6411) has the size bigger than the threaded portion 7514A of a plurality of retaining thread spares 7514, and has the little size than screw element head 7514B.And, a plurality ofly fixingly use hole 8513D, though concrete diagram is omitted, have with the Cylindorical rod of flange part 8513 and see circular shape as the plane at center.That is, a plurality of fixingly constitute with hole 8513D inserted under a plurality of retaining thread spare 7514 states, make flange part 8513 with Cylindorical rod as the rotatable orbit hole in center.

Also have, use hole 8513D, be not limited to a plurality ofly, for example, also can see that toroidal only is provided with 1 formation for forming the plane as fixing.

By as above formation, as be shown in following ground, can carry out the position adjustment of light supply apparatus 31.

At first, as be shown among Figure 15 ground, under the front end of the two end portions of convection cell circulation portion 3512 has been installed state with the O that elastic component the was constituted ring 8514 of rubber etc. respectively, the front end of the two end portions of fluid output 3512 is inserted in each inserting hole 8513A of each flange part 8513 respectively, and fluid output 3512 and flange part 8513 is threadedly engaged with by thread groove 6512A, 8513A1.Under this state, O ring 8514 carries out obturation with the gap between each inserting hole 8513A of the front end of the two end portions of fluid output 3512 and each flange part 8513.

And, with aforementioned the 8th embodiment similarly, as be shown among Figure 15 ground, make O ring 7515 under the state between flange part 8513 and through hole 6411 peripheral parts, the front end of the two end portions of fluid output 3512 and each reducing diameter part 8513C of each flange part 8513 are being disposed at through hole 6411 with the gap engagement state respectively.

And then, as be shown among Figure 15 ground, insert a plurality of retaining thread spares 7514 at a plurality of fixing of flange part 8513 with hole 8513D, and under the state that has loosened a plurality of retaining thread spares 7514, threadingly engage in a plurality of threaded holes 7412.Under this state, wide diameter portion 8513B and O ring 7515 carry out obturation with the gap between through hole 6411 and the reducing diameter part 8513C.And, because a plurality of fixing gaps with the horizontal direction among the Figure 15 between the threaded portion 7514A of hole 8513D and a plurality of retaining thread spare 7514, by fluid output 3512 is moved on the horizontal direction of flange part 8513 in Figure 15, under the state in the gap of having encircled 7515 obturations with wide diameter portion 8513B and O between through hole 6411 and reducing diameter part 8513C, can make light source with keeping body 851 with respect to moving on the horizontal direction of pedestal 34 in Figure 15.And, by making flange part 8513 is center rotation and the state that is threadedly engaged with between double thread groove 6512A, 8513A1 changes with the Cylindorical rod, under the state in the gap between the inserting hole 8513A of encircled 8514 obturations with O fluid output 3512 and flange part 8513, can make light source with keep body 851 with fluid output 3512 with respect to flange part 8513, that is, with respect to moving on the vertical of pedestal 34 in Figure 15.

As above ground, with respect to pedestal 34, by light source is adjusted with the spatial position that keeps body 851, can be to being adjusted with the spatial position of the light supply apparatus 31 that keeps body 851 to be kept by light source.

Also have, when adjusting with respect to the spatial position of 34 pairs of light supply apparatuses 31 of pedestal, with aforementioned the 8th embodiment similarly, for example, as carried out above-mentionedly light source with keeping body 851 to adjust with respect to the spatial position of pedestal 34, make emitted and lightness (illumination) that passed through the light beam of liquid crystal light valve 32 and cross colour splitting prism 33 etc. becomes maximum from light supply apparatus 31.After this, a plurality of retaining thread spares 7514 are anchored on a plurality of threaded holes 7412.And, as be shown among Figure 15 ground, by bonding agent 8515 fluid output 3512 and flange part 8513 are fixed.

Then, as above ground, by carrying out the position adjustment with respect to 34 pairs of light sources of pedestal with maintenance body 851 and fix, as be shown among Figure 15 ground, by fluid output 3512, the base side stream 34A of pedestal 34 and light source are communicated with the maintenance side stream 351A that keeps body 851.

In the above-described 9th embodiment, except with the same effect of aforementioned the 8th embodiment, also have following effect.

In the present embodiment, because constitute flange part 8513 with split with respect to fluid output 3512, so compare with respect to the formation that fluid output 3512 integraty ground form flange part 7513 with the 8th embodiment ground as described above, on with respect to the vertical of pedestal 34 in Figure 15 to light source with keeping body 851 to carry out the position when adjusting, flange part 8513 can not move with fluid output 3512, that is, can make flange part 8513 become the state that touches in the peripheral part of through hole 6411.Therefore, by O ring 7515 and flange part 8513, can prevent from more reliably to drain to the outside by through hole 6411 at the cooling liquid of base side stream 34A circulation.

The 10th embodiment

Secondly, based on accompanying drawing the 10th embodiment of the present invention is described.

In the following description, with same structure of aforementioned the 9th embodiment and same member on additional prosign, its detailed explanation is omitted or is simplified.

Figure 16 is the light source figure of maintenance body 951 with respect to the position adjustment structure of pedestal 34 in expression the 10th embodiment.Also have, in Figure 16, for the convenience that illustrates, for having removed pedestal 34 and light source partial cross sectional views with a part that keeps body 951.

In aforementioned the 9th embodiment, to use in the maintenance body 851 at light source, fluid output 3512 is fixed with respect to tabular body 3511.

In the 10th embodiment, as be shown among Figure 16 ground with respect to this, with keeping in the body 951, fluid output 9512 is constituted with 2 institutes at light source, is threadedly engaged with respectively and connects with respect to element maintenance phosphor bodies 9511.Other formation, same with aforementioned the 9th embodiment.

Element keeps phosphor bodies 9511, constituted and be the member that light supply apparatus 31 is kept by the thermal conductive member of metal etc., for example, can adopt the formation that has comprised outer framework 4511 and multi-disc plate body 4512 that is illustrated with aforementioned the 5th embodiment, with the light source that is illustrated with aforementioned the 6th embodiment with the same formation of formation that keeps body 551.That is, element keeps phosphor bodies 9511, as is shown among Figure 16 ground, and to have set the not shown multi-disc plate body (same with plate body 4512,5513) that goes out at volume inside 9511A, the heat exchanger of so-called microchannel etc. constitutes.

Keep in phosphor bodies 9511 at this element, at the lower side end face, as be shown among Figure 16 ground, form inserting hole 9511B respectively, it gets up space 9511A and external communications, and each fluid output 9512 can be inserted respectively.Then,, as be shown among Figure 16 ground, be formed for the thread groove 9511B1 that is threadedly engaged with fluid output 9512 respectively at the inner peripheral surface of the lower side of each inserting hole 9511B.

Fluid output 9512, tubular element with the general cylindrical shape shape that has same shape is respectively constituted, as be shown among Figure 16 ground, periphery in the end of side's side, have the thread groove 9512A that keeps the thread groove 9511B1 of phosphor bodies 9511 to be threadedly engaged with element, and the periphery in the end of the opposing party's side has the thread groove 9512B that the thread groove 8513A1 with flange part 8513 is threadedly engaged with.

At this, element keeps phosphor bodies 9511 and fluid output 9512, form: thread groove 9511B1,9512A are threadedly engaged with structure, have the structure that is threadedly engaged with that is threadedly engaged with any one party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread.So-called right-hand thread be threadedly engaged with structure, be meant under the state of seeing the object member (element keeps phosphor bodies 9511) that threadingly engages in fluid output 9512 from fluid output 9512 sides, when fluid output 9512 was deasil rotated as the center with Cylindorical rod, fluid output 9512 kept the structure that is threadedly engaged with that phosphor bodies 9511 sidespins advance towards element.And, so-called left-hand thread (LHT) be threadedly engaged with structure, be meant under the state of seeing the object member (element keeps phosphor bodies 9511) that threadingly engages in fluid output 9512 from fluid output 9512 sides, when fluid output 9512 was rotated in the counterclockwise as the center with Cylindorical rod, fluid output 9512 kept the structure that is threadedly engaged with that phosphor bodies 9511 sidespins advance towards element.

And fluid output 9512 and flange part 8513 form: thread groove 9512B, 8513A1 are threadedly engaged with structure, have the structure that is threadedly engaged with that is threadedly engaged with any the opposing party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread.Promptly, fluid output 9512 and flange part 8513, form: keep the structure that is threadedly engaged with that has left-hand thread (LHT) under the situation that is threadedly engaged with structure that structure is a right-hand thread that is threadedly engaged with of phosphor bodies 9511 and fluid output 9512 at element, and keep the next structure that is threadedly engaged with of the situation that is threadedly engaged with structure that structure is a left-hand thread (LHT) that is threadedly engaged with of phosphor bodies 9511 and fluid output 9512 at element with right-hand thread.

And, in the present embodiment, in the flange part 8513 that threadingly engages in fluid output 9512, a plurality of fixing hole 8513D that use, be not as described above the 8th embodiment ground constitute as orbit hole, but form: have be illustrated at aforementioned the 7th embodiment a plurality of fixing with the same shape of hole 7513A.

By as above formation, as be shown in following ground, can carry out the position adjustment of light supply apparatus 31.

At first, as be shown among Figure 16 ground, under the state of the end of side's side of each fluid output 9512 having been installed respectively with the O that elastic component the was constituted ring 9514 of rubber etc., the end of one side's side of each fluid output 9512 is inserted in the inserting hole 9511B that element keeps phosphor bodies 9511 respectively, keeps phosphor bodies 9511 and each fluid output 9512 to be threadedly engaged with element by thread groove 9511B1,9512A.Under this state, each O ring 9514 carries out obturation with the gap between the end of side's side of each fluid output 9512 and the inserting hole 9511B that element keeps phosphor bodies 9511 respectively.

And, with aforementioned the 9th embodiment similarly, as be shown among Figure 16 ground, under the state of the end of the opposing party's side that O ring 8514 is installed on each fluid output 9512 respectively, the end of the opposing party's side of each fluid output 9512 is inserted in respectively among each inserting hole 8513A of each flange part 8513, each fluid output 9512 and each flange part 8513 is threadedly engaged with by thread groove 9512B, 8513A1.Under this state, O ring 8514 carries out obturation with the gap between each inserting hole 8513A of the end of the opposing party's side of each fluid output 9512 and each flange part 8513.

And then, with aforementioned the 9th embodiment similarly, as be shown among Figure 16 ground, make O ring 7515 respectively under the state between each flange part 8513 and through hole 6411 peripheral parts, the end of the opposing party's side of each fluid output 9512 and each reducing diameter part 8513C of each flange part 8513 are being disposed in the through hole 6411 with the gap engagement state respectively.

Further, with aforementioned the 9th embodiment similarly, as be shown among Figure 16 ground, a plurality of fixing with inserting a plurality of retaining thread spares 7514 among the 8513D of hole at flange part 8513, and under the state that has loosened a plurality of retaining thread spares 7514, it is threadingly engaged in a plurality of threaded holes 7412.Under this state, wide diameter portion 8513B and O ring 7515 carries out obturation with the gap between through hole 6411 and the reducing diameter part 8513C.

And, because it is a plurality of fixing with the gap between the threaded portion 7514A of hole 8513D and a plurality of retaining thread spare 7514, by being gone up with the horizontal direction (being orthogonal to the direction of fluid output 9512 to the direction of insertion of through hole 6411) of flange part 8513 in Figure 16, fluid output 9512 moves, under the state in the gap of having encircled 7515 obturations with wide diameter portion 8513B and O between through hole 6411 and reducing diameter part 8513C, can make light source with keeping body 951 with respect to moving on the horizontal direction of pedestal 34 in Figure 16.And, because as above-mentioned ground element maintenance phosphor bodies 9511 and fluid output 9512 have the structure that is threadedly engaged with that is threadedly engaged with any one party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread, fluid output 9512 and flange part 8513 then have the structure that is threadedly engaged with that is threadedly engaged with any the opposing party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread, so is that the center rotates in a predetermined direction by making fluid output 9512 with the Cylindorical rod, keep at encircled 9514 obturations with O fluid output 9512 and element under the state in the gap between the inserting hole 9511B of phosphor bodies 9511, and under the state in the gap of 8513 of encircled 8514 obturations with O fluid output 9512 and flange parts, can make element keep phosphor bodies 9511 and flange part 8513 on direction near each other, to rotate.And, by to make fluid output 9512 be the center with the Cylindorical rod with aforementioned predetermined direction reverse direction on rotate, can make element keep phosphor bodies 9511 and flange part 8513 on the direction of leaving mutually, to move.That is, flange part 8513 is because installs with respect to pedestal 34 by a plurality of retaining thread spares 7514, so be that the center rotation can make element keep mobile on the vertical of phosphor bodies 9511 in Figure 16 by making fluid output 9512 with the Cylindorical rod.

As above ground,, by keeping the spatial position of phosphor bodies 9511 to adjust, can adjust the spatial position that is kept the light supply apparatus 31 that phosphor bodies 9511 kept by element to element with respect to pedestal 34.

Also have, when adjusting with respect to the spatial position of 34 pairs of light supply apparatuses 31 of pedestal, with aforementioned the 9th embodiment similarly, at first, for example, as above-mentionedly to light source with keeping body 951 to adjust with respect to the position of the horizontal direction of pedestal 34, make emitted and lightness (illumination) that passed through the light beam of liquid crystal light valve 32 and cross colour splitting prism 33 etc. becomes maximum from light supply apparatus 31.After this, a plurality of retaining thread spares 7514 are anchored in a plurality of threaded holes 7412.

Secondly, similarly, as keep phosphor bodies 9511 to adjust to element above-mentionedly, make emitted and lightness (illumination) that passed through the light beam of liquid crystal light valve 32 and cross colour splitting prism 33 etc. becomes maximum from light supply apparatus 31 with respect to the position of the vertical of pedestal 34.After this, as be shown among Figure 16 ground, keep phosphor bodies 9511 and flange part 8513 to fix fluid output 9512 and element by bonding agent 9515.

Then, as above ground, by carrying out the position adjustment with respect to 34 pairs of light sources of pedestal with maintenance body 951 and fix, as be shown among Figure 16 ground, by fluid output 9512, the base side stream 34A of pedestal 34 and light source are communicated with the maintenance side stream 451A that keeps body 951.

In the above-described 10th embodiment, except with the same effect of aforementioned the 9th embodiment, also have following effect.

In the present embodiment, fluid output 9512, the structure that is threadedly engaged with that is threadedly engaged with any one party among the structure that is threadedly engaged with structure and left-hand thread (LHT) with right-hand thread keeps phosphor bodies 9511 to be connected with element, and is connected with flange part 8513 with the structure that is threadedly engaged with that is threadedly engaged with any the opposing party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread.Thus, only by making fluid output 9512 rotations, just can make light source with keeping the enterprising line position adjustment of the vertical of body 951 in Figure 16 with respect to pedestal 34, for example, with the 8th embodiment ground as described above, with respect to pedestal 34 light source is compared by making flange part 8513 rotations with the formation that keeps the enterprising line position adjustment of the vertical of body 851 in Figure 15, can easily carry out the position adjustment with the state that settles out.

More than, being illustrated though enumerate suitable embodiment about the present invention, the present invention is not to be defined in these embodiments, can carry out all improvement and the change of design in the scope that does not break away from purport of the present invention.

In aforementioned each embodiment, each element keeps body 35 formation of (each light source is with keeping body, and each panel is with keeping body), is not limited to the formation that is illustrated with aforementioned each embodiment, as long as can keep to each optical element 31,32, can be for constituting arbitrarily.

For example, also can constitute: only constitute, and each optical element 31,32 is kept with each fluid output 3512,3522 with each fluid output 3512,3522.

And, for example, keep the formation of body as element, also can adopt to have peristome, and form cooling liquid enclosed in the element of the cooling chamber of inside by occlusion of openings portion and keep body.And element keeps body, occlusion of openings portion each optical element 31,32 is supported.That is, keep body, be not limited to being heated, and be delivered to the formation of cooling liquid, also can be the formation that each optical element 31,32 and cooling liquid are directly contacted from the heat of each optical element 31,32 as element.

In aforementioned each embodiment, pedestal 34,54, though with the 1st tabular component 341,541 and the 2nd tabular component 342,542 2 constituted, except constituting the tabular components with 2, also can constitute with the tabular component more than 3.For example, constituting with 3 tabular components under the situation of pedestals, connecting the breakthrough part in the table to form with the roughly same shape of slot part 3421,5412 at the tabular component that is equipped on central authorities.Then, be equipped on central tabular component, stop up aforementioned breakthrough part, form the base side stream in base interior by 2 tabular component clampings with other.

In aforementioned each embodiment, as the optical element that is the cooling object, though adopted 3 light supply apparatuses 31 and 3 liquid crystal light valves 32 6, for the number of the optical element that cools off object is not limited to this, both can be 2～5, also can be for more than 7.And the optical element as being the cooling object is not limited to light supply apparatus 31, liquid crystal light valve 32, also can be other optical element.

From aforementioned the 1st embodiment to aforementioned the 5th embodiment, from aforementioned the 7th embodiment to aforementioned the 10th embodiment, though the 2nd tabular component 342 that constitutes pedestal 34 formation for the part of external shell 2 is illustrated, but be not limited to this, also can adopt the 6th embodiment ground as described above with the 2nd tabular component be provided with the formation of separating with external shell.That is, also can become the formation of other member of branch for making pedestal and external shell.At this moment, preferred: the formation that the 2nd tabular component can be connected in to the heat transmission external shell.So to constitute,, the heat at the cooling liquid of base side stream circulation can be dispelled the heat along the heat transfer path of the 2nd tabular component～external shell.

Similarly, in aforementioned the 6th embodiment, though the 2nd tabular component 542 that constitutes pedestal 54 formation for the member that separates with external shell is illustrated, but be not limited to this, also can adopt as making the 2nd tabular component from aforementioned the 1st embodiment to aforementioned the 5th embodiment, from aforementioned the 7th embodiment to aforementioned the 10th embodiment is the formation of the part of external shell.

In aforementioned each embodiment, though the base side connecting portion is taken as through hole 3411,6411, will keep the side connecting portion to be taken as fluid output 3512,3522,9512, be not limited to this.For example, also can constitute the base side connecting portion, constitute maintenance side connecting portion with the inserting hole that can insert aforementioned tubular element with tubular element.

In aforementioned each embodiment, the cooling of each optical element 31,32 order is not limited to the cooling order that is illustrated with aforementioned each embodiment, also can cool off in proper order with other cooling.And, in aforementioned each embodiment, each element keeps body 351,352,451,551,751,851,951, though keep side stream 351A, 352A, 451A and base side stream 34A to be communicated with is connected in series by each, but also can adopt following formation: each element keeps at least 2 elements among the body 351,352,451,551,751,851,951 to keep body to be connected in series, this each element that is connected in series keeps body, keeps body to be connected in parallel with other each element.

In aforementioned the 4th embodiment, also can adopt following formation: also form base side stream 34A not only at the bottom surface side of external shell 2, and at side.

Though from aforementioned the 7th embodiment to the 10 embodiments, can position adjust ground formation to each light source that 3 light supply apparatuses 31 keep respectively with maintenance body 351,751,851,951 with respect to pedestal 34, but be not limited to this, both can constitute each light source with the maintenance body of at least 2 light sources among the maintenance body 351,751,851,951 to it with can carrying out the position adjustment, and also can carry out the position and adjust ground formation panel maintenance body 352 with respect to pedestal 34 with respect to pedestal 34.And, light source is with keeping body 351,751,851,951 position adjustment structure with respect to pedestal 34, be not limited to the position adjustment structure that is illustrated with from aforementioned the 7th embodiment to the 10 embodiments, as long as make light source can carry out the position adjustment with respect to pedestal, can be position adjustment structure arbitrarily with the maintenance body.

From aforementioned the 7th embodiment to the 10 embodiments, though to the formation in aforementioned the 1st embodiment (formation that does not comprise bar-shaped integrator and collective optics), adopted light source with keeping body 351,751,851,951 position adjustment structure with respect to pedestal 34, but be not limited to this, also can adopt the formation in aforementioned the 6th embodiment (formation that comprises bar-shaped integrator 38 and collector lens 39).

In aforementioned the 6th embodiment, though placing portion 5411 and the 2nd with the 1st places portion 5421 and has constituted recess of the present invention, but so long as be depressed in the thickness direction of pedestal 54, be communicated in the recess of base side stream 54A, can be for constituting arbitrarily, for example, also can only place portion 5411 with the 1st constitutes.

In aforementioned the 6th embodiment, though planarity ground is interfered in the member of formation of the 1D of projector of pump 56, be taken as the bar-shaped integrator 38 of green light side, but be not limited to this, also can constitute so that interfere in pump 56 ground on other member of formation planarity ground.

In aforementioned each embodiment, though adopted the liquid crystal panel (liquid crystal light valve 32) of transmission-type, be not limited to this, both can adopt the liquid crystal panel of reflection-type, perhaps, also can adopt Digital Micromirror Device (trade mark of Texas Instruments).

In aforementioned each embodiment, though for being provided with the formation of 3 liquid crystal light valves 32, be not limited to this, also can be for the formation of 1 liquid crystal light valve 32 only is set.

In aforementioned each embodiment, though only lifted the example of projector of carrying out the preceding throwing type of projection from the direction of watching screen, the present invention also can be applied to carry out in the projector with the rear projection type of the projection of the direction opposition side of watching screen.

In aforementioned each embodiment, though adopted projector, be not limited to this as optical device of the present invention, also can in possessing other the optical device that the optical element that becomes optical object is arranged, adopt optical devices of the present invention.

Though be used to formation of implementing the best of the present invention etc., disclosed by above record, the present invention is not limited thereto.Promptly, the present invention, though relate generally to specific embodiment special illustrated in, and, illustrated, but do not break away from from the scope of technical thought of the present invention and purpose, with respect to the embodiment of above narration, in shape, material, quantity, other detailed formation, technician's various distortion in addition.

Thereby, define the record of the shape that is disclosed in above-mentioned, material etc., because be in order to make understanding of the present invention be easy to exemplary record, do not really want the present invention is limited, so the record in the title of the member except that part or all qualification of the qualification of those shapes, material etc. comprises in the present invention.

Optical devices of the present invention are because can easily implement assembling operation with simple structure, so can be as the optical devices of the optical device that is equipped on projector etc.

Claims (17)

1. optical devices, the pedestal that it has a plurality of optical elements and aforementioned a plurality of optical elements are supported; It is characterized in that:

Possess a plurality of elements and keep body, it can constitute respectively aforementioned a plurality of optical elements with keeping, have the maintenance side stream that can make the cooling fluid circulation respectively in inside, will can heat connect at the cooling fluid and the aforementioned optical element of aforementioned maintenance side stream circulation with transmitting by aforementioned optical element is kept;

Aforementioned pedestal possesses by a plurality of tabular components of lamination, can make the base side stream of cooling fluid circulation in inside formation by aforementioned a plurality of tabular components are carried out lamination;

Aforementioned a plurality of element keeps body and aforementioned pedestal, can constitute with being connected to each other, by connecting mutually aforementioned maintenance side stream and aforementioned base side stream is communicated with.

2. according to the described optical devices of claim 1, it is characterized in that:

Aforementioned a plurality of element keeps body, has respectively to be communicated in aforementioned maintenance side stream, to be used for the maintenance side connecting portion that connects for aforementioned pedestal;

Aforementioned pedestal has and is communicated in aforementioned base side stream, is used for a plurality of base side connecting portions of keeping bodies to connect for aforementioned a plurality of elements;

Aforementioned maintenance side connecting portion and aforementioned base side connecting portion, by connecting mutually, aforementioned maintenance side stream and aforementioned base side stream are communicated with, and will will keep aforementioned a plurality of optical elements that body was kept to navigate to precalculated position with aforementioned a plurality of elements with respect to aforementioned pedestal.

3. according to the described optical devices of claim 1, it is characterized in that:

Aforementioned a plurality of element keeps any element at least among the body to keep body, has respectively to be communicated in aforementioned maintenance side stream, to be used for the maintenance side connecting portion that connects for aforementioned pedestal;

Aforementioned pedestal has and is communicated in aforementioned base side stream, is used for a plurality of base side connecting portions of keeping any element at least among the bodies to keep body to connect for aforementioned a plurality of elements;

Aforementioned maintenance side connecting portion and aforementioned base side connecting portion constitute, and by connecting mutually, aforementioned maintenance side stream and aforementioned base side stream are communicated with, and can keep the mutual position of body and aforementioned pedestal to adjust to aforementioned components.

4. according to the described optical devices of claim 3, it is characterized in that:

Aforementioned maintenance side connecting portion is constituted with the tubular element that can make the cooling fluid circulation in inside;

Aforementioned base side connecting portion is being constituted the fore-end of aforementioned tubular element with the through hole that the gap engagement state disposes.

5. according to the described optical devices of claim 3, it is characterized in that:

Aforementioned maintenance side connecting portion, its formation comprises: the flange part that can make the tubular element of cooling fluid circulation in inside and be integrally formed in aforementioned tubular element, expand laterally from the outer peripheral portion of aforementioned tubular element;

Aforementioned base side connecting portion is being constituted the fore-end of aforementioned tubular element with the through hole that the gap engagement state disposes;

Said flange portion, the ground, peripheral part that can be connected in aforementioned through hole constitutes.

6. according to the described optical devices of claim 3, it is characterized in that:

Aforementioned maintenance side connecting portion is constituted with the tubular element that can make the cooling fluid circulation in inside;

Aforementioned base side connecting portion is being constituted the fore-end of aforementioned tubular element with the through hole that the gap engagement state disposes;

Possess flange part, it can insert logical aforementioned tubular element, expands laterally from the outer peripheral portion of aforementioned tubular element, can be connected with the peripheral part of aforementioned through hole.

7. according to the described optical devices of claim 6, it is characterized in that:

Aforementioned tubular element keeps phosphor bodies and said flange portion to be threadedly engaged with respectively and connects with respect to the element that has aforementioned maintenance side stream in inside;

Aforementioned tubular element and aforementioned components keep phosphor bodies, have the structure that is threadedly engaged with that is threadedly engaged with any one party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread;

Aforementioned tubular element and said flange portion have the structure that is threadedly engaged with that is threadedly engaged with any the opposing party among the structure that is threadedly engaged with structure and left-hand thread (LHT) of right-hand thread.

8. according to the described optical devices of claim 1, it is characterized in that:

Aforementioned a plurality of element keeps any element at least among the body to keep body, in a side end face, have respectively and make cooling fluid flow into inner inflow entrance and make cooling fluid flow out flow export, aforementioned maintenance side stream and aforementioned base side stream are communicated with by an aforementioned side end face is touched to the outside.

9. according to the described optical devices of claim 1, it is characterized in that:

Possesses fluid force feed portion with cooling fluid suction and force feed;

Aforesaid fluid force feed portion can be connected in aforementioned pedestal ground and constitute, and by being connected in aforementioned pedestal, is supported by aforementioned pedestal, and can be sent to aforementioned base side stream with the cooling fluid suction of aforementioned base side stream and with cooling fluid.

10. according to the described optical devices of claim 9, it is characterized in that:

Aforementioned pedestal has the recess that caves in, is communicated in aforementioned base side stream at the thickness direction of aforementioned pedestal;

Aforesaid fluid force feed portion is disposed at aforementioned recess by placing, and is supported by aforementioned pedestal, and can be sent to aforementioned base side stream with the cooling fluid suction of aforementioned base side stream and with cooling fluid.

11., it is characterized in that according to the described optical devices of claim 1:

Possess radiating part, it can make cooling fluid circulation in inside, will reject heat to the outside in the heat of the cooling fluid of internal circulation;

Aforementioned radiating part can be connected in aforementioned pedestal ground and constitute, and by being connected in aforementioned pedestal, is supported by aforementioned pedestal, and the cooling fluid of aforementioned base side stream can be imported to inside and the cooling fluid of inside is exported to aforementioned base side stream.

12., it is characterized in that according to the described optical devices of claim 1:

Constitute any tabular component at least among a plurality of tabular components of aforementioned pedestal, constituted with member with heat conductivity.

13. an optical device is characterized in that possessing:

The described optical devices of in the claim 1～12 any one; With

Aforementioned optical devices are placed the external shell of configuration.

14., it is characterized in that according to the described optical device of claim 13:

Aforementioned external shell is constituted with the member with heat conductivity;

Constitute any tabular component at least among a plurality of tabular components of aforementioned pedestal, constituted, assembling under the state of this optical device, can carry out heat and be connected in aforementioned external shell with transmitting with member with heat conductivity.

15., it is characterized in that according to the described optical device of claim 13:

Constitute any tabular component at least among a plurality of tabular components of aforementioned pedestal, constituted, be the part of aforementioned external shell with member with heat conductivity.

16., it is characterized in that according to the described optical device of claim 13:

This optical device, be with from the emitted beam modulation of light supply apparatus, carry out the projector of enlarging projection;

Aforementioned a plurality of optical element comprises that the aforementioned lights source apparatus constitutes;

The aforementioned lights source apparatus is constituted with solid-state light emitting element.

17., it is characterized in that according to the described optical device of claim 13:

Possesses fluid force feed portion with cooling fluid suction and force feed;

Aforementioned pedestal has the recess that caves in, is communicated in aforementioned base side stream at the thickness direction of aforementioned pedestal;

Aforesaid fluid force feed portion, be disposed at aforementioned recess by placing, interfere in the state of the member of formation of this optical device with planarity ground and to be supported, and the cooling fluid of aforementioned base side stream can be sucked and cooling fluid is sent to aforementioned base side stream by aforementioned pedestal.

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