CN205644000U - Projector - Google Patents

Abstract

The utility model provides a projector can follow simply deaerate of circulation flow path. Projector possesses: forced lubrication portion, it disposes in the circulatory flow of the cooling liquid of the heat of conduction cooling object on the road to forced lubrication cooling liquid, stockpile the portion, its dispose in the circulatory flow on the road, stockpile cooling liquid, supply portion, its dispose in the circulatory flow on the road, can supply with to the flow path that circulates cooling off liquid, and discharge portion, its dispose in the circulatory flow on the road, can discharge the air to outside from the circulation flow path, is cooling off liquid and is supplying with when circulating the flow path via supplying with the inferior officer, forced lubrication portion makes the circulation opposite direction of cooling liquid to with common action time the in the circulation flow path orientation circulation.

Description

Projector

Technical field

This utility model relates to projector.

Background technology

Being known to a kind of projector, it possesses: light supply apparatus in the past；Optic modulating device, its modulation The light that penetrates from this light supply apparatus thus form the image corresponding with image information；And projection optics Device, it is projected, at screen etc., the image that enlarging projection on face is formed.As such projection The structure of instrument, proposes possess the liquid crystal making aqueous cooling medium circulating cooling as optic modulating device Panel, the structure (referring for example to patent documentation 1) of cooling unit of emitting side polarization plate.

In the projector described in this patent documentation 1, cooling unit possess chiller, tank, Pump and radiator form the pipe arrangement of the circulation stream of cooling medium with being connected them.In them, Chiller utilizes and is pumped the cooling medium sent, cool down from as cooling object liquid crystal panel with And the heat of emitting side polarization plate conduction, for they coolings, heated cooling medium is by dissipating Hot device circulates and is dispelled the heat.

Pipe arrangement at such cooling unit is provided with for changing and supplement cooling Jie from outside The supply joint of matter and discharge joint.If connecting at these joints has cooling medium replacement to use Drive pump under the state of box, then the cooling medium of cooling unit is expelled in this box from discharge joint Discharge tank, the supply tank in this box via supply joint by new cooling medium supply To cooling unit.

Patent documentation 1: Japanese Unexamined Patent Publication 2005-292669 publication

But, if using the projector of the circulation stream with cooling medium, then cooling medium evaporation Deng thus in pipe arrangement, be mixed into a lot of air.Such air becomes and reduces the cold of above-mentioned cooling object But one of key factor of efficiency.

On the other hand, if as the projector described in above-mentioned patent documentation 1, by supplement with And change the air in cooling medium removing pipe arrangement, then existing in the process of circulation of cooling medium should Air flows into the situation of tank.In this case, air persistently rests on the upper portion in tank, It is difficult to remove.If removing and so resting on the air in tank, want to utilize cooling medium to be full of recycle stream In road, then there is the problem needing special equipment.

Utility model content

The purpose of this utility model is to solve at least some of of above-mentioned problem, and one of its purpose exists In providing the projector that can remove air from circulation stream simply.

The projector of a mode of the present utility model is characterised by possessing: force feed portion, and it is joined On the circulation stream of the cooling liquid being placed in the heat of conduction cooling object, and the above-mentioned coolant of force feed Body；Accumulating part, it is configured on above-mentioned circulation stream, stockpiles above-mentioned cooling liquid；Supply unit, It is configured on above-mentioned circulation stream, it is possible to by the supply of above-mentioned cooling liquid to above-mentioned recycle stream road； And discharge portion, it is configured on above-mentioned circulation stream, it is possible to arranged from above-mentioned circulation stream by air Go out to outside, when via above-mentioned supply unit by above-mentioned cooling liquid supply extremely above-mentioned recycle stream road, Above-mentioned force feed portion make above-mentioned cooling liquid in above-mentioned circulation stream to circulation during usual action Direction circulation in opposite direction.

Additionally, exemplify pump as force feed portion, exemplify tank as accumulating part.

According to said one mode, supplementing to circulation stream via supply unit and discharge portion or In the case of changing cooling liquid, the cooling liquid in circulation stream utilizes force feed portion to the most dynamic The direction circulation that circulating direction when making is contrary.Therefore, the cooling liquid in circulation stream (includes The cooling liquid being supplied to from supply unit) from play a role as flow export when this usual action The position of accumulating part flows in this accumulating part, plays a role as inflow entrance from when this usual action The position of accumulating part flow out to outside this accumulating part.The situation of free gas is stockpiled in this accumulating part Under, air flows out to outside accumulating part together with cooling liquid.And, the coolant in circulation stream Body and air circulate at this above-mentioned rightabout of recycle stream road direction, are expelled to circulation via discharge portion The outside of stream.Hereby it is possible to by the air of the inside that is accumulated in accumulating part together with cooling liquid It is expelled to outside.Therefore, it is possible to the air removed simply in circulation stream.

In said one mode, it is preferable that make above-mentioned cooling liquid to above-mentioned phase in above-mentioned force feed portion Opposite direction circulation time, above-mentioned cooling liquid in above-mentioned accumulating part from vertical direction lateral vertical side Upwards effluent leads to.

According to said one mode, it is possible to by being accumulated on the upside of vertical direction of the inside of accumulating part The air at position is expelled to outside.Therefore, it is possible to the air reliably removed in circulation stream.

In said one mode, it is preferable that above-mentioned supply unit and above-mentioned discharge portion are configured to Connect the fluid Supplying apparatus in above-mentioned cooling liquid supply to above-mentioned recycle stream road.

According to said one mode, by connecting fluid Supplying apparatus at supply unit and discharge portion, And the cooling liquid in circulation stream makes force feed portion move in the way of above-mentioned rightabout circulates Make, it is possible to cooling liquid is securely fed to recycle stream from fluid Supplying apparatus via supply unit Road, in addition, it is possible to from this circulation stream via discharge portion by above-mentioned air and cooling liquid one Rise and be expelled to fluid Supplying apparatus, i.e. can be expelled to circulate the outside of stream.Therefore, it is possible to Reliably remove the air in circulation stream.

In said one mode, it is preferable that have and be arranged at above-mentioned supply unit and filter circulation The filter of above-mentioned cooling liquid.

Here, or comprise in foreign body (dust etc.) is attached to runner pipe at circulation stream internal memory Situation about being mixed in cooling liquid being supplied to etc..If such foreign body invades force feed portion, then deposit Produce blocking in force feed portion and wait the probability being negatively affected to the action in force feed portion.Therefore, need The filter filtering cooling liquid is additionally set in circulation stream, suitably changes this filter Deng thus remove above-mentioned foreign body.

On the other hand, in said one mode, discharging the cooling in circulation stream from discharge portion Liquid and air and from supply unit to when supplying cooling liquid in circulation stream, it is possible to circulation In stream, supply is via the cooling liquid of filter.Hereby it is possible to by the cooling liquid containing foreign body It is replaced by the cooling liquid of cleaning.Therefore, it is possible to utilize the cooling liquid of cleaning to be full of circulation stream, In addition, additionally it is possible to save the trouble of maintenance.

In said one mode, it is preferable that possess connection above-mentioned force feed portion and above-mentioned accumulating part from And forming multiple runner pipes of above-mentioned circulation stream, above-mentioned supply unit is arranged at above-mentioned multiple runner pipe In make in above-mentioned force feed portion above-mentioned cooling liquid when above-mentioned rightabout circulates with above-mentioned force feed The runner pipe that the upstream side in portion connects.

Here, as described above, if the cooling liquid being mixed into foreign body flows into force feed portion, then exist Force feed portion produces the probability of blocking.

On the other hand, in said one mode, above-mentioned supply unit is arranged at and cooling liquid is supplied The runner pipe being connected with the upstream side in force feed portion during to circulation stream.Therefore, it is possible to make the cold of cleaning But liquid communication is to force feed portion, and therefore force feed portion will not occur blocking etc., it is possible to cooling liquid supplied Give to circulation stream.Therefore, it is possible to make chiller stably action, and then make projector steady Surely action.

In said one mode, it is preferable that have: the first conducting part, it is configured at above-mentioned circulation On stream, by the conduction of heat of above-mentioned cooling object to above-mentioned cooling liquid；And second conducting part, It is configured on above-mentioned circulation stream, is followed to above-mentioned by the conduction of heat being conducted to above-mentioned cooling liquid Outside circulation road.

According to said one mode, utilize the first conducting part, it is possible to by the conduction of heat of cooling object extremely In circulation stream, the cooling liquid of circulation, utilizes the second conducting part, it is possible to will be conducted to cooling The conduction of heat of liquid is to circulating outside stream.Hereby it is possible to make the heat of cooling object via circulation stream Conduction is to other positions.Thus it is for example possible at the good position of radiating efficiency heat to cooling object Dispel the heat, it is possible to cool down this cooling object efficiently.

In said one mode, it is preferable that this projector is configured to possess 2 above-mentioned circulation streams, Each above-mentioned circulation stream is configured to implement the supply of above-mentioned cooling liquid simultaneously.

Following structure is enumerated, i.e. 1 force feed portion is supplying to each circulation stream as such structure During to cooling liquid, the cooling liquid circulated in stream of force feed one side and following of the opposing party respectively Cooling liquid in circulation road is each other so that it is circulate to above-mentioned rightabout.It addition, such as, make Following structure can be illustrated, i.e. force feed portion is set at each circulation stream, and arranges for this structure Controlling the control device of the action in each force feed portion, this control device controls each force feed portion, makes each circulation Cooling liquid in stream circulates to above-mentioned rightabout simultaneously.

According to said one mode, owing to can implement the cooling liquid confession to each circulation stream simultaneously Give, thus with separately carry out cooling liquid to the situation of the supply of each circulation stream compared with, The time needed for the manufacture of projector, maintenance can be shortened.

Accompanying drawing explanation

Fig. 1 is the brief perspective views of the projector representing an embodiment of the present utility model.

Fig. 2 is the schematic diagram of the structure representing the image processing system in above-mentioned embodiment.

Fig. 3 is the block diagram of the structure representing the chiller in above-mentioned embodiment.

Fig. 4 is the schematic diagram representing the tank in above-mentioned embodiment.

Fig. 5 is the schematic diagram representing the connecting portion in above-mentioned embodiment.

Fig. 6 is the schematic diagram representing the connecting portion in above-mentioned embodiment.

Fig. 7 is the block diagram representing the structure controlling device in above-mentioned embodiment.

Fig. 8 is the block diagram of the deformation representing the chiller in above-mentioned embodiment.

Detailed description of the invention

Hereinafter, based on accompanying drawing, an embodiment of the present utility model is illustrated.

The surface structure of projector

Fig. 1 is the brief perspective views of the projector 1 representing present embodiment.

The projector 1 of present embodiment is to adjust the light penetrated from illuminator 31 described later System forms the image corresponding with image information and by this image enlarging projection being thrown in screen etc. Penetrate the projection type image display apparatus on face.

Although describing the most in detail, but this projector 1 has following function, i.e. make to be configured with This cooling object of cooling air circulating cooling in the closed shell of cooling object, makes this cooling of cooling Object and with heat cooling air heat via closed shell inner-outer circulation first liquid pass It is directed at second liquid, during making the circulation of this second liquid outside closed shell, to this second liquid The heat of body is dispelled the heat, and thus, enters in the outer heat to the cooling object in closed shell of closed shell Row heat radiation.

As it is shown in figure 1, this projector 1 possesses constitutes exterior external shell 2.

External shell 2 is formed as having top part 21, bottom surface sections 22, face portion 23, back part 24 and the approximately parallelepiped body shape of side surface part 25,26 of left and right.

Top part 21 is provided with a pair handle 211, and this holds projection to handle 211 at user Instrument 1 or be utilized when projector 1 fixed by the utensil being arranged at ceiling etc..It addition, on top Face 21 is formed with peristome (omitting diagram), and it is used for described later in the way of can changing Light supply apparatus 31A, 31B are accommodated in external shell 2, and the covered parts of this peristome 212 cover.

Although the diagram of omission, but it is provided with in bottom surface sections 22 and face is set be placed in setting table etc. The foot that face contacts was set with this time upper.

The projector optical apparatus 35 constituting image processing system 3 described later it is formed with in face portion 23 The peristome 231 that exposes of a part.

In addition to that, although omit diagram, but the side surface part 26 on right side is formed exterior The introducing port within air importing outside housing 2, the side surface part 25 in left side is formed exterior Air in housing 2 is expelled to the air vent of outside.

The internal structure of projector

Fig. 2 is the schematic diagram of the structure of the image processing system 3 representing that projector 1 possesses.

As in figure 2 it is shown, fill outside housing 2 except above-mentioned points, it is outer that projector 1 is also equipped with being configured at this Image processing system 3 in dress housing 2.In addition, although omission diagram, but projector 1 It is also equipped with controlling the control device 9 (with reference to Fig. 3) of this projector 1 and supplying power to structure Become the supply unit of the electronic unit of this projector 1.

The structure of image processing system

Image processing system 3 is formed and projects and the image information pair from the input of above-mentioned control device The image answered.This image processing system 3 possesses illuminator 31, uniforming device 32, color divide From device 33, board, electric optical device 34, projector optical apparatus 35 and optical component casing 36.

In them, optical component casing 36 is the box-shaped having lighting optical axis Ax at inner setting Housing, illuminator 31, uniforming device 32, color segregation apparatus 33 and board, electric optical device Position on the 34 lighting optical axis Ax being configured in optical component casing 36.It addition, projection Although Optical devices 35 are positioned at outside optical component casing 36, but corresponding to this lighting optical axis Ax Configuration.

Illuminator 31 possesses a pair light supply apparatus 31A, 31B of mutually opposing configuration and is configured at This is to the reflecting mirror 31C between light supply apparatus 31A, 31B.

A pair light supply apparatus 31A, 31B possess illuminator 311 and reflector 312 respectively and incite somebody to action They are accommodated in the packaging container 313 of inside.And, above-mentioned light supply apparatus 31A, 31B are towards instead Penetrate mirror 31C and penetrate light.

Reflecting mirror 31C makes the light from light supply apparatus 31A, 31B are incident reflect to same direction respectively, Thus, make this light incident to uniforming device 32.

Uniforming device 32 is by orthogonal relative to central shaft of the light beam that penetrates from illuminator 31 Uniform-illumination in face.This uniforming device 32 have light modulating device 320, UV filter 321, The conversion of first lens arra 322, film filter the 323, second lens arra 324, polarized light is first Part 325 and overlapping lens 326.In them, polarization 325 makes incidence The polarization direction of light is unanimously a kind of element, and be become cooling object optics it One.

Light beam from uniforming device 32 incidence is separated into red (R), green (G) by color segregation apparatus 33 And indigo plant (B) three coloured light.This color segregation apparatus 33 have dichroic mirror 331,332, reflecting mirror 333～336 and relay lens 337.

The white light separated is being modulated by board, electric optical device 34 corresponding to image information Synthesize the white light modulated later.This board, electric optical device 34 has respectively according to coloured light setting The liquid crystal panel 341 as optic modulating device (by red, green and blue liquid crystal panel respectively As 341R, 341G, 341B), field lens 340, light incident side polarization plate 342 and emitting side Polarization plate 343 and 1 color synthesizer 344.In them, as color synthesizer 344, Colour splitting prism can be used.It addition, each field lens 340 is configured at light incident side polarization plate 342 with anti- Penetrate between the corresponding reflecting mirror in mirror 334～336.

Projector optical apparatus 35 is that (light beam utilizing color synthesizer 344 to synthesize is formed image Light beam) enlarging projection is in the above-mentioned projection lens being projected on face.As such projection optics Device 35, it is possible to use the group lens being configured with multiple lens in lens barrel.

The structure of chiller

Fig. 3 is the block diagram of the brief configuration representing chiller 4.

In addition to said structure, projector 1 is also equipped with the chiller being configured in external shell 2 4.As it is shown on figure 3, this chiller 4 is following device, i.e. by making by closed shell 51 Cooling air (first fluid) circulating cooling in the confined space S formed is configured at this confined air Between cooling object in S, make conduction of heat of cooling air for these cooling objects coolings to following The first liquid that circulation road (hereinafter referred to as the first circulation stream) is circulated, flows out to closed shell Outside 51, from the conduction of this first liquid at other circulation streams (hereinafter referred to as the second circulation stream) The second liquid of circulation, dispels the heat.Additionally, first liquid and second liquid represent respectively Address at the liquid of difference circulation stream circulation, it is also possible to be the liquid of identical component respectively.Make For such liquid, it is possible to illustrate the anti-icing fluid such as water, propylene glycol.

Such chiller 4 possesses cooling back installation 5, heat sink 6, heat abstractor 7 And heat-exchange device 8.

The structure of cooling back installation

It is close that cooling back installation 5 makes the cooling air circulating cooling in closed shell 51 be configured at this Above-mentioned cooling object in closed shell body 51.In addition to closed shell 51, this cooling back installation 5 It is also equipped with circulating fan 52 and cooling fan 53.

Closed shell 51 is to be accommodated with the board, electric optical device 34 as cooling object and polarized light Inverting element 325, circulating fan 52 and cooling fan 53 and composition heat sink 6 described later The housing of heat extractor 61, be internally formed the confined space S being configured with them.This closed housing The air that body 51 is configured to outside this closed shell 51 difficultly flows into the airtight construction of inside.

This closed shell 51 has outside wall portions 51A and the composition of the outer rim constituting this closed shell 51 The inner wall part 51B in the face of inner side, by combining above-mentioned outside wall portions 51A and inner wall part 51B close Ring-type circulation stream it is formed with in closed shell body 51.This circulation stream is configured with above-mentioned cooling Object.It addition, closed shell 51 at least has the peristome of 1 storage field lens 340.Change speech It, in field lens 340, at least one is formed airtight together with above-mentioned optical component casing 36 A part for housing 51.Additionally, in the present embodiment, in this circulation stream, electric light Learning device 34 and be positioned at upstream side, polarization 325 is positioned at downstream, but they also may be used With configuration side by side.

Circulating fan 52 makes it airtight at this by attracting the cooling air discharged in closed shell 51 Circulation in housing 51.This circulating fan 52 is made up of aerofoil fan in the present embodiment, rear It is provided with 2 near the heat extractor 61 stated.But being not limited to this, circulating fan 52 can also Being made up of multi blade fan, the quantity of circulating fan 52 also is able to suitably change, and also may be used To be distributed.

Cooling fan 53 attracts the cooling air in closed shell 51, via pipeline (omitting diagram) It is sent to above-mentioned cooling object.This cooling fan 53 includes: cooling fan 53R, 53G, 53B, It arranges corresponding to each liquid crystal panel 341 of above-mentioned board, electric optical device 34 and will cool down air It is sent to this each liquid crystal panel 341；And cooling fan 53P, cooling air is sent to partially by it Shake light inverting element 325.Such cooling fan 53 is in the present embodiment by multi blade fan structure Becoming but it also may be made up of aerofoil fan, the quantity of cooling fan 53 also is able to suitably change.

The structure of heat sink

The heat sink 6 cooling air in above-mentioned closed shell 51 absorbs heat, and makes conduction There are the cooling liquid of this heat that is first liquid at the heat-exchange device 8 being positioned at outside closed shell 51 Circulation.This heat sink 6 has heat extractor 61, tank 62 and pump 63 and multiple runner pipes 64, Them are utilized to form one that is above-mentioned first circulation stream of circulation stream of the present utility model.

In them, runner pipe 64 (641～644) can be in the side of internal circulation with first liquid Formula connects heat extractor 61, tank 62 and pump 63 and heat-exchange device 8 described later.In above-mentioned circulation In pipe 641～644, it is provided with the runner pipe 644 of heat-exchange device 8 to be connected connecting pump 63 There is the connecting portion CN of the fluid Supplying apparatus LA (with reference to Fig. 6) of supply cooling liquid.For this Connecting portion CN describes in detail later.

Heat extractor 61 is configured in above-mentioned closed shell 51, and it is close that tank 62 and pump 63 are configured at this Outside closed shell body 51.

In them, heat extractor 61 is connected with tank 62 via runner pipe 641, it addition, via stream Siphunculus 644 is connected with heat-exchange device 8.This heat extractor 61 is from circulation in closed shell 51 Cooling air absorbs heat and cools down this cooling air, makes the conduction of heat of absorption at the first of internal circulation Liquid.That is, heat extractor 61 is sent out as the first conducting part of the present utility model at the first circulation stream Wave effect.Utilize this heated first liquid of heat extractor 61 via runner pipe 641 towards tank 62 Circulation.

Fig. 4 is the schematic diagram representing tank 62.

Tank 62 plays a role as accumulating part of the present utility model, via stream at the first circulation stream Siphunculus 642 is connected with pump 63.This tank 62 temporarily stockpiles the via runner pipe 641～644 circulation One liquid.As shown in Figure 4, this tank 62 position on the upside of vertical direction has at runner pipe The inflow entrance 621 that the first liquid of 641 circulations flows into, in addition, on the downside of vertical direction Position has the flow export 622 flowing out to runner pipe 642 for the first liquid being accumulated in inside.Cause This, when the usual action of heat sink 6, first liquid is from the inflow being positioned on the upside of vertical direction Mouth 621 flows in tanks 62, discharges from the flow export 622 being positioned on the downside of vertical direction.

Return Fig. 3, the first liquid that pump 63 force feed flows into via runner pipe 642, make this first liquid Body circulates.This pump 63 cross over by each structure of heat sink 6 formed first circulation stream with by The second circulation flow arrangement that each structure of heat abstractor 7 described later is formed, the first liquid that will flow into Body force feed is to the first circulation stream, and to second, the second liquid force feed flowed into is circulated stream. Specifically, pump 63 via runner pipe 643 by first liquid force feed to heat-exchange device 8, via Runner pipe 743 described later is by second liquid force feed to radiator 73 described later.That is, pump 63 is One circulation stream and the second circulation stream play a role respectively as force feed portion of the present utility model.

And, the first liquid in heat-exchange device 8 circulation utilizes this heat-exchange device 8 to be cooled, Again circulate at heat extractor 61 via runner pipe 644.Thus, the first liquid that temperature is low is being inhaled Hot device 61 circulates, and absorbs with the cooling air utilizing this heat extractor 61 in closed shell 51 Heat first liquid flow into tank 62 from heat extractor 61 via runner pipe 641.So, in heat absorption In device 6, by driving pump 63 to make first liquid circulate.

Additionally, the structure for heat-exchange device 8 describes in detail later.

The structure of heat abstractor

Heat abstractor 7 is arranged at the outside of above-mentioned closed shell 51, makes to utilize heat-exchange device 8 Conduction has the second liquid circulation of the heat of first liquid, dispels the heat the heat of this second liquid.Should Heat abstractor 7 is configured at the outside of above-mentioned closed shell 51, including said pump 63, in addition, Also there is tank 71, radiator 73, runner pipe 74 and cooling fan 75, utilize them to be formed and make Above-mentioned second circulation stream for circulation stream of the present utility model.

In them, runner pipe 74 (741～744) can be in the side of internal circulation with second liquid Formula connects tank 71, said pump 63 and radiator 73 and heat-exchange device 8.At above-mentioned runner pipe In 741～744, it is provided with connecting the pump 63 runner pipe 743 with radiator 73 and is arranged at stream The connecting portion CN identical for connecting portion CN of siphunculus 643.

Tank 71 plays a role as accumulating part of the present utility model, temporarily in the second circulation stream It is accumulated in the second liquid of heat abstractor 7 circulation.This tank 71 has the knot identical with above-mentioned tank 62 Structure, although omit diagram, but the position on the upside of vertical direction has and circulates at heat-exchange device 8 The inflow entrance that flows into via runner pipe 741 of second liquid, in addition, on the downside of vertical direction Position there is the flow export flowing out second liquid via runner pipe 742 to pump 63.

Radiator 73 plays as the second conducting part of the present utility model in the second circulation stream to be made With.This radiator 73 to via runner pipe 743 from pump 63 in the heat of the second liquid of internal circulation Dispel the heat, thus, as the radiator cooling down this second liquid.Cooled down by this radiator 73 Second liquid circulate at heat-exchange device 8 via runner pipe 744.

In the heat abstractor 7 constituted as such, if driving pump 63, then second liquid is utilizing stream Radiator 73, heat-exchange device 8 and tank 71 that siphunculus 74 connects respectively circulate.Thus, profit The heat utilization radiator 73 being conducted to second liquid with heat-exchange device 8 is dispelled the heat.

Additionally, have the utilization cooling fan 75 introducing port from side surface part 26 in radiator 73 circulation Air outside the external shell 2 that (omitting diagram) imports, thus, radiator 73 is cooled. And, for this radiator 73 cool down and heated air through being formed from the aerofluxus of side surface part 25 Mouth (omitting diagram) is expelled to outside external shell 2.

The structure of heat-exchange device

As described above, heat-exchange device 8 is from the first liquid (conduction circulated at heat sink 6 Have the first liquid of the heat of the cooling air in above-mentioned closed shell 51) it is heated, the heat that will be heated Conduction, to the second liquid in heat abstractor 7 circulation, exchanges between first liquid and second liquid Heat.This heat-exchange device 8 possesses circulation and has the heated parts 81 of first liquid, radiating part 82 and divide Do not connect the thermoelectric conversion elements 83 of above-mentioned heated parts 81 and radiating part 82.

Heated parts 81 has multiple fine channel in inside.And, by via runner pipe 643 Circulating at the plurality of fine channel from the first liquid of pump 63 force feed, the heat of this first liquid is passed Being directed at heated parts 81, this first liquid is cooled.In other words, heated parts 81 is at internal circulation The heat of first liquid dispel the heat, cool down this first liquid.Additionally, cooled first liquid It is transported to heat extractor 61 via runner pipe 644.

Thermoelectric conversion elements 83 by utilize heated parts 81 to conduct from first liquid conduction of heat to heat radiation Portion 82.This thermoelectric conversion elements 83 is connected as with heated parts 81 by heat-absorbent surface in the present embodiment Heat and radiating surface can be conducted be connected as conducting hot Peltier's element structure with radiating part 82 Become.The conduction of heat state of such thermoelectric conversion elements 83 utilizes and controls device 9 such as based on close Temperature inside and outside closed shell body 51 is controlled.

Radiating part 82 has multiple fine channel in inside, by via runner pipe 744 from heat radiation The second liquid of device 73 circulation circulates at the plurality of fine channel, thus will be conducted to radiating part The conduction of heat of 82 is to second liquid.In other words, radiating part 82 will become via thermoelectricity from heated parts 81 Change the heat that element 83 is conducted, i.e. by the conduction of heat of cooling object at the second of internal circulation Liquid.Additionally, the second liquid that conduction has heat is transferred into tank 71 via runner pipe 741.

So, in heat-exchange device 8, if from the first circulation stream, then by first liquid Conduction of heat to first circulation stream outside, therefore this heat-exchange device 8 (particularly heated parts 81) Play a role as the second conducting part of the present utility model.On the other hand, in heat-exchange device 8, If from the second circulation stream, the then heat (that is, cooling down the heat of object) will conducted from first liquid Conduction is to second liquid, and therefore this heat-exchange device 8 (particularly radiating part 82) is as this practicality The first novel conducting part plays a role.

The structure of connecting portion

Fig. 5 and Fig. 6 is the schematic diagram representing connecting portion CN.In them, Fig. 5 represents not Connection has the connecting portion CN in the case of fluid Supplying apparatus LA, i.e. represents and does not supplies cooling Connecting portion CN, Fig. 6 in the case of liquid represents that connection has the situation of fluid Supplying apparatus LA Under connecting portion CN, i.e. represent supply cooling liquid in the case of connecting portion CN.

As described above, connecting portion CN is arranged at runner pipe 643,743.At these connecting portions In CN, as shown in figs.5 and 6, be arranged at the connecting portion CN of runner pipe 643 possess with Discharge portion CN1 that fluid Supplying apparatus LA (Fig. 6) connects and supply unit CN2 and in profit The cooling liquid (first liquid) in above-mentioned first circulation stream is changed with this fluid Supplying apparatus LA Time switch in the stream switching part CN3 of the circulating direction of the cooling liquid of circulation in runner pipe 643, CN4。

Although additionally, describe in detail later, but utilizing fluid Supplying apparatus LA cooling liquid to be supplied Give to each circulation stream, under the control controlling device 9, utilize pump 63 to make respectively and follow The circulating direction of the cooling liquid on circulation road becomes the direction contrary with during usual action.

Discharge portion CN1 and supply unit CN2 at the connecting portion CN being arranged at runner pipe 643 In, supply unit CN2 is positioned at this runner pipe 643, and then is located at confession in the first circulation stream To the position of cooling liquid, discharge portion CN1 is positioned at this runner pipe 643, and then is positioned at and follows from first Cooling liquid and air are expelled to the position of outside by circulation road.Above-mentioned discharge portion CN1 and Supply unit CN2 highlights from runner pipe 643 with cylindrical shape respectively, is being internally formed cooling liquid Outlet CN11 that can circulate and supply mouth CN21.

In them, discharge portion CN1 is positioned at heat-exchange device 8 side, supply unit at runner pipe 643 CN2 is positioned at pump 63 side.In other words, outlet CN11 and supply mouth CN21 are at projector 1 When generally using the usual action of the chiller 4 (time) be positioned at the downstream of pump 63, supply Mouthful CN21 is configured at than outlet CN11 close to the position of pump 63.

Additionally, be provided with filter CN22 at supply unit CN2, to runner pipe 643, (first follows Circulation road) cooling liquid that supplies is after by filter CN22, via supply mouth CN21 stream Enter in runner pipe 643.Additionally, in the present embodiment, filter CN22 is positioned at supply unit The projected direction leading section from runner pipe 643 of CN2.But it is not limited to this, as long as will be via The cooling liquid supply of filter CN22 in runner pipe 643, the position of filter CN22 without Opinion how.

Although the diagram of omission, but outside above-mentioned discharge portion CN1 and supply unit CN2 exposes and is arranged at The side of dress housing 2 (such as the side surface part 25 of left and right, 26, back part 24), the most covered etc. Cover.

Additionally, fluid Supplying apparatus LA is the coolant by becoming first liquid or second liquid Body supply is to above-mentioned chiller 4 (specifically, heat sink 6 and heat abstractor 7) Device.Although omitting diagram in detail, but this fluid Supplying apparatus LA stockpiling via outlet CN11 The cooling liquid being discharged and air, via the cooling liquid that supply mouth CN21 supply is new.Should The supply in supply mouth CN21 of the new cooling liquid utilizes the attraction of pump 63 to carry out, but also may be used To utilize the pump being arranged at fluid Supplying apparatus LA to carry out.Such new cooling liquid can be Untapped cooling liquid, it is also possible to be to via filter (such as filter CN22) The cooling liquid that the used cooling liquid of profit is filtered.

The stream of the cooling liquid of stream switching part CN3, CN4 switching runner pipe 643.

In them, stream switching part CN3 is configured at the position corresponding with discharge portion CN1.Should Stream in this stream switching part CN3 is switched to and makes cooling liquid at stream by stream switching part CN3 The stream of siphunculus 643 circulation (makes to the cooling liquid of A2 direction circulation in Figure 5 to A3 side Stream to circulation) and make stream that cooling liquid circulates in outlet CN11 (in figure 6 Make the stream that circulates to B2 direction of cooling liquid to the circulation of B1 direction) in any one.? In the case of stream in stream switching part CN3 is switched to the former stream, as it is shown in figure 5, Close outlet CN11.

Stream switching part CN4 is configured at the position corresponding with supply unit CN2.This stream switching part Stream in this stream switching part CN4 is switched to and makes to arrive stream by runner pipe 643 by CN4 The cooling liquid of switching part CN4 keep intact circulation stream (make in Figure 5 to A1 direction flow The stream that logical cooling liquid circulates to A2 direction) and make from fluid Supplying apparatus LA supply Cooling liquid (makes to C1 direction to the stream that pump 63 effluent is logical in figure 6 from supply unit CN2 The stream that circulates to C2 direction of cooling liquid of circulation) in any one.At stream switching part CN4 In the case of interior stream is switched to the former stream, as it is shown in figure 5, close supply mouth CN21。

So, in the case of not supplying cooling liquid, as it is shown in figure 5, cooling liquid is in circulation Pipe 643 circulates along A1～A3 direction.On the other hand, in the case of newly supplied cooling liquid, The cooling liquid of the first circulation stream circulates in B1 direction and B2 direction, newly supplied cooling Liquid circulates in C1 direction and C2 direction.

Additionally, the connecting portion CN being arranged at runner pipe 743 also has and is arranged at above-mentioned runner pipe The structure identical for connecting portion CN of 643.For being arranged at the connecting portion CN of this runner pipe 743, By in described above be recited as runner pipe 643, heat-exchange device 8, first circulates stream and The position of first liquid is rewritten as runner pipe 743, radiator 73, second circulates stream and second Liquid.

Control the structure of device

Fig. 7 is the block diagram representing the structure controlling device 9.

Control device 9 and there is CPU (Central Processing Unit: central processing unit) etc. Process circuit, memorizer etc. storage device, control projector 1 entirety action.Control dress Put 9 to be such as connected and by using with above-mentioned connecting portion CN at aforesaid liquid feedway LA In the case of the operation that the operation device (omitting diagram) of projector 1 is specified by person, hold Being about to cooling liquid imports internal importing process.Therefore, as it is shown in fig. 7, control device 9 and have There is the storage part 91 being made up of above-mentioned storage device and perform to be stored in this by above-mentioned process circuit The program of storage part 91 thus realize operation determination section 92, connect detection unit 93, completely measure judgement Portion 94, operation control part 95 and reporting unit 96.

Storage part 91 storage has the program needed for the action of projector 1, data.Such as, storage Portion 91 storage has for performing the program that importing described later processes.

Operation determination section 92 is based on the operation signal from not shown operation device input, it is determined that make The operation content of user.Such as, operation determination section 92 judges whether user has carried out performing general The operation that the importing within cooling liquid importing of fluid Supplying apparatus LA processes.

Connect detection unit 93 and judge whether aforesaid liquid feedway LA is connected with connecting portion CN. Now, if the connecting portion CN of at least one party in connecting portion CN connects fluid Supplying apparatus LA, then connect detection unit 93 and be judged to that connection has fluid Supplying apparatus LA.

Completely amount detection unit 94 judges to connect whether the circulation stream of fluid Supplying apparatus LA is cooled Liquid is full of.Such as, utilize in testing result based on the sensor being arranged at outlet CN11 In the case of this sensor is judged to be not detected by air, completely amount detection unit 94 is judged to this circulation Stream be cooled liquid be full of.It addition, at the liquid of the cooling liquid via supply mouth CN21 supply In the case of amount exceedes the volume in the circulation stream at supply, completely amount detection unit 94 is judged to this Circulation stream is full of by new cooling liquid.Additionally, this new cooling liquid also comprise utilize above-mentioned Filter filters the liquid of the cooling liquid discharged from circulation stream.

Operation control part 95 controls the action of the various structures of projector 1.Such as, action control Portion 95 controls the thermoelectric (al) inversion unit of above-mentioned heat-exchange device 8 based on the temperature inside and outside closed shell 51 The action of part 83, adjusts the temperature in closed shell 51.

If it addition, utilizing operation determination section 92 to be judged to carry out the behaviour that the above-mentioned importing of execution processes Make and utilize connection detection unit 93 to be judged in connecting portion CN connection have fluid Supplying apparatus LA, then first operation control part 95 makes stream switching part CN3, CN4 of each connecting portion CN dynamic Make.Specifically, operation control part 95 has the company of fluid Supplying apparatus LA by being judged to connect Connect the stream in the stream switching part CN3 of portion CN to switch to and make cooling fluid in outlet CN11 The stream of circulation.It addition, operation control part 95 is by the stream switching part CN4 of this connecting portion CN Interior stream switches to and makes from the cooling liquid of fluid Supplying apparatus LA supply in circulation stream circulation Stream.Additionally, in the connecting portion CN being not connected with fluid Supplying apparatus LA, do not implement The switching of above-mentioned stream.

If the stream carrying out utilizing stream switching part CN3, CN4 switches, then operation control part 95 To comprise the cooling in the circulation stream connecting the connecting portion CN having aforesaid liquid feedway LA Liquid drives pump 63 to the mode of the direction circulation contrary with during usual action.Specifically, action Control portion 95 makes pump 63 reversely rotate relative to during usual action.Thus, from fluid Supplying apparatus LA supply new cooling liquid via supply unit CN2 and runner pipe 643 inflow pump 63, And this cooling liquid circulates in runner pipe 642 towards tank 62.That is, by reversely rotating pump 63, the first liquid in the first circulation stream and the second circulation stream and the circulation of second liquid Direction becomes the direction contrary with during usual action.

At this tank 62, cooling liquid flows into inside from the flow export 622 being positioned on the downside of vertical direction. And, if utilizing cooling liquid to be full of in tank 62, then the cooling liquid overflowed is from inflow entrance 621 Circulate to heat extractor 61 via runner pipe 641.So, cooling liquid in tank 62 from vertical side Circulate on the upside of the most lateral vertical direction.

Hereafter, the cooling liquid being supplied to is at heat extractor 61, runner pipe 644 and heat-exchange device 8 circulate further to the direction contrary with circulating direction during usual action, from being arranged at runner pipe Outlet CN11 of the connecting portion CN of 643 is expelled to fluid Supplying apparatus LA.Now, first Air (being such as accumulated in the air in tank 62) in circulation stream is also from outlet CN11 quilt It is expelled to fluid Supplying apparatus LA.Thus, the first circulation stream is substantially filled by new cooling liquid Full.

Liquid is had additionally, connect at the connecting portion CN of the runner pipe 743 constituting the second circulation stream In the case of feedway LA, reversely rotate relative to during usual action also by pump 63, from And make the second liquid in the second circulation stream and from this fluid Supplying apparatus LA supply new The circulating direction phase of cooling liquid second liquid when circulate the usual action in stream with second Anti-direction circulation.That is, new cooling liquid according to runner pipe 743, pump 63, runner pipe 742, Tank 71, runner pipe 741, heat-exchange device 8, runner pipe 744, radiator 73, runner pipe 743 Order circulation.And, second recycle stream road direction above-mentioned rightabout circulation second liquid with And air is discharged to fluid Supplying apparatus via outlet CN11 being arranged at this runner pipe 743 LA.Thus, the second circulation stream is substantially filled with by new cooling liquid.

Additionally, due to tank 71 has inflow entrance on the upside of vertical direction, additionally under vertical direction Side has flow export, so when supplying cooling liquid as described above, this cooling liquid is from being positioned at Flow export on the downside of vertical direction flows into internal.That is, cooling liquid in tank 71 from vertical direction Circulate on the upside of the most lateral vertical direction.Therefore, it is possible to utilize cooling liquid by the air in tank 71 It is expelled to runner pipe, it is possible to be full of in this tank 71 by new cooling liquid from inflow entrance.

The circulation at supply is exceeded via the liquid measure supplying the new cooling liquid that mouth CN21 is supplied to Volume etc. in stream, if utilizing completely amount detection unit 94 to be judged in this circulation stream by new cold But liquid is full of, then operation control part 95 is reduced and switched by above-mentioned stream switching part CN3, CN4 Stream.Thereby, it is possible to fluid Supplying apparatus LA is pulled down from connecting portion CN.It addition, it is dynamic Making control portion 95 makes pump 63 rotate to common direction of rotation.Thus, cold in each circulation stream But the circulating direction of liquid (first liquid and second liquid) becomes and circulation during usual action The direction that direction is identical.

Additionally, not carrying out the replacing of cooling liquid but in order to from the first circulation stream and the Two circulation streams remove the situation of air (air in such as tank 62,71) supply cooling liquid Under, it is also possible to utilize completely amount detection unit 94 be judged to circulate stream be cooled liquid be full of after, Operation control part 95 performs driving of the pump 63 of the switching of above-mentioned stream and the direction of rotation when usual Dynamic.

Reporting unit 96 utilizes the image projected by above-mentioned image processing system 3, not shown sound The various information of the report projector 1 such as output device.Such as, reporting unit 96 is being not connected with liquid Under the state of body feeding LA1, implementing the situation performing the operation that above-mentioned importing processes Under, report expression is not connected with the report information of fluid Supplying apparatus LA.It addition, reporting unit 96 Abnormal situation is produced in the case of above-mentioned importing process terminates, in the execution that this importing processes Under, the report information of each situation of report expression.

The projector 1 of present embodiment from the description above, has following effect.

When the usual action of chiller 4, in tank 62, first liquid is from being positioned at vertical side Flowing into inside to the inflow entrance 621 of upside, first liquid is from the flow export being positioned on the downside of vertical direction 622 flow out.Therefore, i.e. admit air in tank 62, it is also possible to suppression inclusion of air is from this tank 62 first liquids flowed out, therefore, it is possible to the cooling effectiveness that suppression is caused by inclusion of air first liquid Reduction.

On the other hand, via being arranged at the connecting portion CN of runner pipe 643 to by heat sink 6 The the first circulation stream formed supplements cooling liquid or changes the first liquid of this first circulation stream In the case of body, the cooling liquid in this first circulation stream utilizes pump 63 to during with usual action Circulating direction contrary direction circulation.Therefore, the cooling liquid in this first circulation stream is comfortable Generally flowing out the flow export 622 of cooling liquid from tank 62 during action and flow in tank 62, comfortable this leads to During often action, the inflow entrance 621 of cooling liquid inflow tank 62 flows out to outside tank 62.At this tank 62 In the case of inside stockpiling free gas, air flows out to outside tank 62 together with cooling liquid.And, This cooling liquid and air circulate at the first above-mentioned rightabout of recycle stream road direction, via discharge portion Outlet CN11 of CN1 is discharged to the outside (fluid Supplying apparatus LA) of the first circulation stream. Hereby it is possible to the air of the inside being accumulated in tank 62 is expelled to outside together with cooling liquid. Therefore, it is possible to the air removed simply in the first circulation stream.

Additionally, the effect above is by having tank 71 and runner pipe 743 being provided with connecting portion CN Heat abstractor 7 constitute second circulation stream in can prove effective too.

When cooling liquid is supplied to the first circulation stream, i.e. pump 63 make cooling liquid to Above-mentioned rightabout circulation time, this cooling liquid in tank 62 from vertical direction lateral vertical side Upwards effluent leads to.Accordingly, in the inside of tank 62, it is possible to the portion on the upside of vertical direction will be accumulated in The air of position is expelled to outside.Therefore, it is possible to the air reliably removed in the first circulation stream. Additionally, it is the most identical in the second circulation stream.

Discharge portion CN1 and supply unit CN2 is configured to connect the liquid of supply cooling liquid Feedway LA.Accordingly, by connecting liquid at this discharge portion CN1 and supply unit CN2 Feedway LA, the cooling liquid in each circulation stream is in the way of above-mentioned rightabout circulates Make pump 63 action, it is possible to can by cooling liquid from fluid Supplying apparatus LA via supply unit CN2 By ground supply to corresponding circulation stream, in addition, it is possible to from this circulation stream via discharge portion Air in this circulation stream is reliably expelled to outside together with cooling liquid by CN1.Therefore, Can reliably remove the air in each circulation stream.

It is attached to runner pipe 64,74 at foreign body at the first circulation stream and the second circulation stream internal memory In or be contained in the cooling liquid that is supplied to etc. and situation about being mixed into.If such foreign body invades pump 63, then there is this pump 63 and occur blocking to wait the probability being negatively affected to the action of pump 63. On the other hand, the in the first circulation stream is being discharged from outlet CN11 of discharge portion CN1 One liquid and from the supply mouth CN21 of supply unit CN2 by cooling liquid supply to first circulation Time in stream, it is possible to will supply to the first circulation stream via the cooling liquid of filter CN22. Hereby it is possible to the cooling liquid containing foreign body to be replaced by the cooling liquid of cleaning.Therefore, it is possible to The cooling liquid utilizing cleaning is full of the first circulation stream, in addition, additionally it is possible to save maintenance Trouble.

Additionally, the effect above is arranged at the second circulation of runner pipe 743 at identical connecting portion CN Stream can prove effective too.

Discharge portion CN1 and supply unit CN2 is arranged at and is supplying cooling liquid to each recycle stream During road reversely rotate pump 63 and make first liquid and second liquid to circulation time usual The runner pipe 643,743 that direction in opposite direction is connected with the upstream side of pump 63 when circulating.Therefore, Owing to the cooling liquid of cleaning can be made to circulate at pump 63, so pump 63 will not occur blocking etc., Can be by cooling liquid supply to each circulation stream.Therefore, it is possible to make chiller 4 steady dynamic Make, and then make projector 1 operating stably.

In the first circulation stream, utilize the heat extractor 61 played a role as the first conducting part, energy Enough conduction of heat by cooling object extremely first liquid of circulation in this first circulation stream, utilizes and makees It is the heat-exchange device 8 (particularly heated parts 81) that plays a role of the second conducting part, it is possible to will be by Conduct to the conduction of heat of this first liquid to the radiating part 82 being positioned at outside the first circulation stream.It addition, In the second circulation stream, utilize the radiating part 82 played a role as the first conducting part, it is possible to will From the conduction of heat of the cooling object of first liquid conduction in the second circulation stream the second of circulation Liquid, utilizes the radiator 73 that plays a role as the second conducting part, it is possible to will be conducted to this The conduction of heat of two liquid circulates the air outside stream to second.Hereby it is possible to make via circulation stream The conduction of heat of cooling object is to other positions.Therefore, it is possible to utilize the radiator that radiating efficiency is good The heat of 73 pairs of cooling objects is dispelled the heat such that it is able to cool down this cooling object efficiently.

In projector 1, respectively at discharge portion CN1 and the supply unit of each connecting portion CN CN2 connects fluid Supplying apparatus LA and has carried out utilizing stream switching part CN3, CN4 After stream switching, by making pump 63 reversely rotate, make the coolant in the circulation of each circulation stream The circulating direction of body becomes the direction contrary with during usual action such that it is able to implement coolant simultaneously Body is to the supply of each circulation stream.Accordingly, with separately carry out cooling liquid to each recycle stream The situation of the supply on road is compared, it is possible to shorten the time needed for the manufacture of projector 1, maintenance.

The deformation of embodiment

This utility model is not limited to above-mentioned embodiment, and this utility model includes being capable of this Deformation in the range of the purpose of utility model, improvement etc..

In the above-described embodiment, pump 63 is configured to force feed first respectively and circulates the of stream One liquid and the second liquid of the second circulation stream.But, this utility model is not limited to this. Make pump that the first liquid of the first circulation stream circulates for example, it is also possible to separately arrange and make The pump of the second liquid circulation of the second circulation stream.

Fig. 8 is the block diagram of the chiller 4A of the deformation being denoted as chiller 4.

Such as, the chiller 4A shown in Fig. 8 has the structure identical with chiller 4, but Pump 63 is configured to the knot making the first liquid of the first circulation stream being made up of heat sink 6 circulate Structure, the second liquid of the second circulation stream being made up of heat abstractor 7 utilizes another relative to pump 63 The pump 72 of outer setting circulates.And, cooling liquid is being imported the from fluid Supplying apparatus LA In the case of two circulation streams, above-mentioned operation control part 95 makes pump 72 anti-relative to during usual action To rotation etc., when making the circulating direction of the cooling liquid in the second circulation stream become with usual action Contrary direction.According to this structure, it is possible to separately implement the first liquid of the first circulation stream The supply of body and the supply of the second liquid of the second circulation stream, also additionally be able to implement simultaneously.

Utilize the projector possessing such chiller 4A, it is also possible to play and above-mentioned projector 1 Identical effect.

In the above-described embodiment, chiller 4 possesses the heat abstractor forming the second circulation stream 7.But, this utility model is not limited to this.For example, it is also possible to there is no heat abstractor 7.? In this case, it is also possible to be configured to the radiating part 82 of heat-exchange device 8 is replaced with fin, And the cooling fan sending cooling air is also set up at this fin.Alternatively, it is also possible to be configured to By utilizing the heat-conduction component connection heat extractor 61 of heat pipe etc. and being heated of heat-exchange device 8 Portion 81 grade omits the first circulation stream.That is, chiller 4 can also be not necessarily and be respectively provided with First circulation stream and the structure of the second circulation stream, it is also possible to be the structure only with a side.

Further, constitute the heat sink 6 of the first circulation stream and constitute dissipating of the second circulation stream The structure of thermal 7 is not limited to above-mentioned.For example, it is also possible to be configured at heat sink 6 The radiator identical with radiator 73 is set between heat extractor 61 and tank 62.

In the above-described embodiment, the tank 62 position on the upside of vertical direction has at runner pipe The inflow entrance 621 that the first liquid of 641 circulations flows into, in addition, on the downside of vertical direction Position has the flow export 622 that the first liquid being accumulated in inside flows out to runner pipe 642.So And, this utility model is not limited to this.Can also be configured to runner pipe 642 and flow export 622 be configured at the position on the upside of vertical direction and be provided with from flow export 622 extend project to tank The runner pipe near bottom surface in 62.In tank 71 the most identical.

In the above-described embodiment, when to each circulation stream supply cooling liquid, in discharge portion CN1 and supply unit CN2 connects fluid Supplying apparatus LA.But, this utility model is not It is defined in this.For example, it is also possible to only connect fluid Supplying apparatus LA at supply unit CN2, row Go out the miscellaneous part that portion CN1 connects the disposable containers etc. of cooling liquid.Further, as long as can profit With the driving of pump by cooling liquid supply to circulating stream, fluid Supplying apparatus LA can also be Inside stockpiles the tank of this cooling liquid, box.As long as it addition, at least can discharge in circulation stream Air, discharge portion CN1 cannot discharge cooling liquid can also.

In the above-described embodiment, the supply unit CN2 at connecting portion CN is provided with filter CN22, via this filter CN22 and supply mouth CN21, cooling liquid is supplied to circulation Stream.But, this utility model is not limited to this.Such as, filter can also be arranged at liquid Body feeding LA.It addition, in the case of supplying untapped cooling liquid etc., it is also possible to There is no filter CN22.

In the above-described embodiment, connecting portion CN is positioned at and is arranged at when usual action relative to pump The downstream of 63 streams being positioned at first liquid and second liquid and when pump 63 reversely rotates It is positioned at the runner pipe 643,743 of the upstream side of the stream of first liquid and second liquid.But, This utility model is not limited to this.That is, connecting portion CN can also be positioned at other runner pipes.Separately Outward, the configuration sequence of the said structure of the first circulation stream and the second circulation stream also is able to suitably Ground change.Further, connecting portion CN can also be arranged at runner pipe junction point each other.

In the above-described embodiment, heat extractor 61 is configured to by being configured at closed shell 51 The cooling air heat absorption that interior cooling object is cooled down, by the conduction of heat of this cooling air to making For the first liquid of cooling liquid, thus indirectly will the conduction of heat of cooling object to first liquid. But, this utility model is not limited to this.For example, it is also possible to energy will be connected as with cooling object Enough conduction are hot and conduct the hot conducting part from cooling object conduction to the first liquid flowed into, and make It is that the first conducting part uses.That is, it is not limited to directly conduct cooling relative to the first conducting part The structure of the heat of object, it is also possible to for the structure of conduction indirectly.Therefore, as described above, not only It is in the heat extractor 61 on the first circulation stream, is positioned at the above-mentioned heat exchange on the second circulation stream The radiating part 82 of device 8 also serves as the first conducting part of the present utility model and plays a role.

In the above-described embodiment, in the second circulation stream, play a role as the second conducting part Radiator 73 be configured to from internal circulation second liquid absorb heat cool down this second liquid, and And utilize the cooling air from cooling fan 75 circulation to be cooled.But, this utility model is not It is defined in this.Such as, if can be by the conduction of heat that conducted to other in addition to air, liquid Parts, then can use as the second conducting part of the present utility model.It is therefore, as described above, It is not only the radiator 73 being positioned on the second circulation stream, is positioned at the above-mentioned heat on the first circulation stream The heated parts 81 of switch 8 also serves as the second conducting part of the present utility model and plays a role.

In the above-described embodiment, as cooling object, enumerate polarization 325 and Board, electric optical device 34.But, this utility model is not limited to this.For example, it is also possible to be only Polarization 325 and a side of board, electric optical device 34.It addition, it is right as cooling As, it would however also be possible to employ light supply apparatus, it would however also be possible to employ other opticses.

It addition, in the above-described embodiment, in the circulation stream of cooling air, near heat absorption The upstream side of device 61 is configured with board, electric optical device 34, is configured with polarized light conversion in downstream first Part 325.But, it is not limited to this, it is also possible to configure on the contrary in this circulation stream, they Can also configure side by side.The situation using other cooling objects is the most identical.

In the above-described embodiment, chiller 4 is configured to possess cooling back installation 5, and this follows Ring chiller 5 makes the cooling air in confined space S circulate, and cooling is configured at this confined space Cooling object in S.But, this utility model is not limited to this.For example, it is also possible to close Fill the gas (nitrogen, helium etc.) beyond air in closing space S to be allowed to circulate cooling object Cool down.It is it addition, cooling object can not also be configured in confined space S, as described above, The heat of cooling object can be conducted to cooling liquid.Accordingly it is also possible to do not have circulating cooling to fill Put 5.

In the above-described embodiment, projector 1 possess 3 liquid crystal panels 341 (341R, 341G, 341B).But, this utility model is not limited to this.That is, less than 2 or 4 are being used The projector of individual above liquid crystal panel also is able to apply this utility model.

It addition, the shape of image processing system 3 is also not limited to above-mentioned shape, can use and have Overlook generally L-shaped shape, overlook the structure of substantially U-shaped, it is also possible to possess other structures.

Further, the liquid crystal panel 341 used as optic modulating device can be infiltration type, it is also possible to It is reflection-type, or the equipment of application micro mirror can also be used such as to utilize DMD (Digital Micromirror Device: digital micromirror device) etc. the light modulation in addition to liquid crystal such as equipment Device.

In the above-described embodiment, illuminator 31 be configured to possess 2 light supply apparatus 31A, 31B, above-mentioned 2 light supply apparatuses 31A, 31B are respectively provided with illuminator 311 and reflector 312. But, this utility model is not limited to this.That is, the quantity of light supply apparatus can be 1, also It can be more than 3.It addition, as light supply apparatus, it is also possible to it is configured to that there is LED (Light Emitting Diode: light emitting diode), LD (Laser Diode: laser diode) etc. Solid light source.In this case, it is also possible to be configured to that there is fluorophor, above-mentioned fluorophor by from The excitation light stimulus of LD injection, penetrates fluorescence.

Description of reference numerals:

1 ... projector；4,4A ... chiller；325 ... polarization (cooling object)； 34 ... board, electric optical device (cooling object)；61 ... endothermic section (the first conducting part)；62、71… Tank (accumulating part)；63,72 ... pump (force feed portion)；64 (641～644), 74 (741～744) ... Runner pipe；73 ... radiator (the second conducting part)；81 ... heated parts (the second conducting part)；82… Radiating part (the first conducting part)；CN1 ... discharge portion；CN2 ... supply unit；CN22 ... filter.

Claims (7)

1. a projector, it is characterised in that possess:

Force feed portion, on the circulation stream of its hot cooling liquid being configured at conduction cooling object, and Cooling liquid described in force feed；

Accumulating part, it is configured on described circulation stream, stockpiles described cooling liquid；

Supply unit, it is configured on described circulation stream, it is possible to supply described cooling liquid to institute State circulation stream；And

Discharge portion, it is configured on described circulation stream, it is possible to arranged from described circulation stream by air Go out to outside,

When via described supply unit by described cooling liquid supply extremely described circulation stream, described pressure Send portion make described cooling liquid in described circulation stream to circulating direction phase during usual action Anti-direction circulation.

Projector the most according to claim 1, it is characterised in that

Make in described force feed portion described cooling liquid when described rightabout circulates, described coolant Body circulates on the upside of lateral vertical direction in described accumulating part from vertical direction.

Projector the most according to claim 1, it is characterised in that

Described supply unit and described discharge portion are configured to connect and described cooling liquid are supplied Fluid Supplying apparatus to described circulation stream.

Projector the most according to claim 1, it is characterised in that

There is the mistake being arranged at described supply unit and filtering the described cooling liquid circulated Filter.

Projector the most according to claim 3, it is characterised in that

Possess the described force feed portion of connection and described accumulating part thus to form described circulation stream many Individual runner pipe,

What described supply unit was arranged in the plurality of runner pipe makes described cooling in described force feed portion The runner pipe that liquid was connected with the upstream side in described force feed portion when described rightabout circulates.

Projector the most according to claim 1, it is characterised in that have:

First conducting part, it is configured on described circulation stream, by the conduction of heat of described cooling object To described cooling liquid；And

Second conducting part, it is configured on described circulation stream, will be conducted to described cooling liquid Conduction of heat to outside described circulation stream.

7. according to the projector described in any one in claim 1～6, it is characterised in that

This projector is configured to possess 2 described circulation streams,

Each described circulation stream is configured to implement the supply of described cooling liquid simultaneously.