CN100590513C - Light source module of projector - Google Patents
Light source module of projector Download PDFInfo
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- CN100590513C CN100590513C CN200610101694A CN200610101694A CN100590513C CN 100590513 C CN100590513 C CN 100590513C CN 200610101694 A CN200610101694 A CN 200610101694A CN 200610101694 A CN200610101694 A CN 200610101694A CN 100590513 C CN100590513 C CN 100590513C
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- light source
- source module
- shade
- air intake
- projector shown
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Abstract
The invention is a projector's light source module, cooperating with heat radiator and comprising light source device, case, and at least a shield, where the case is arranged at one end of the light source device and equipped with air inlet; the shield is movably arranged on the case and covers the air inlet; when the light source module is mounted with the heat radiator, the shield shifts relative to the air inlet and exposes the air inlet.
Description
Technical field
The present invention relates to a kind of light source module, particularly relate to the projector that is provided with the movable shade in a kind of light source module.
Background technology
Flourish along with projector market, the volume of projector is contracted to the size of B5 paper gradually from surmounting the size of notebook.When just beginning, because the fuselage of digital projector is bigger, the technology of heat radiation is not difficult.But when the demand in market during gradually towards the little machine development of size, the technology of heat radiation and the complexity of mechanism design have just improved.
Apparently, volume little (or in light weight), high brightness, low noise are the development trends of following projector.Yet above-mentioned development trend faces a problem equally, and is promptly little with volume, and when using components identical, gross calorific power is identical, causes heat flow rate per unit area to increase.If can't promote the heat dissipation capacity of unit area, have only the thermal value in reduction or the control projector, and main pyrotoxin is a bulb in projector.As the thermal value of needs reduction bulb, unique mode is exactly to reduce the brightness of bulb.But very unfortunately, this just runs counter to mutually with the trend of high brightness.
In order to solve such problem, all be the heat dissipation problem of the heat dissipation capacity in tendency control electroluminescent lamp source mostly with resolution system.As shown in Figure 1, traditional projector is provided with powerful fan 10 usually, blows from the wick (in figure end show) of guard 16 to bulb module 12 with the distinguished and admirable of more speed, directly controls its heat dissipation capacity.Wherein, guard 16 is fixed on a side of bulb module 12 shells 14 with an optimization angle (fine tune), is beneficial to blow main pyrotoxin-wick.Fixed guard 16 mainly is to prevent bulb 18 when explosion, takes out more to renew in the process of bulb 18, and the security consideration that the chip of explosion can not drop is provided with.
But known guard 16 but often changes wind direction and the distinguished and admirable speed of influence, often causes the burden (can increase its rotating speed usually) that increases fan 10.Therefore, the problem of known projector cooling, the particularly problem of bulb 18 coolings under the obstruction of guard 16, in fact show no sign of help to reducing radiating efficiency.In order to adapt to the development trend of following projector, more all versatile persons that the technology of heat radiation and mechanism design must be considered can.
Summary of the invention
Fundamental purpose of the present invention is, a kind of light source module that satisfies security simultaneously and strengthen the projector of cooling effect is provided.
Fundamental purpose of the present invention is, provide a kind of actively, effectively and can control the light source module that cools off direction and regional projector.
Another object of the present invention is to, can control the opening angle of shade during the assembling light source module expediently.
A kind of light source module of projector, itself and heat abstractor are used, and comprise light supply apparatus, housing, reach at least one shade.Housing is arranged on an end of light supply apparatus, and the sidewall of housing is provided with air intake vent.Shade is arranged on the housing movably and covers air intake vent.Wherein, when light source module and heat abstractor assembling, the relative air intake vent of shade produces relative displacement and exposes air intake vent.
In a preferred embodiment, at least one side is provided with track at the air intake vent place, and shade is connected with track movably.Shade is preferably netted shade, is provided with at least one barrier element and connects at least one flexible member in netted shade one side.Promptly when light source module and heat abstractor assembling, heat abstractor promotes barrier element, makes netted shade leave air intake vent along track, and makes distinguished and admirable without any blowing light supply apparatus with stopping.
In another preferred embodiment, steering mechanism is set, the protrusion element of steering mechanism and projector's loam cake is assembled mutually in air intake vent one side.Steering mechanism's opposite side connects flexible member, to reply the initial position of steering mechanism.Shade is preferably airtight guide plate, and it can be opened certain angle ground and be connected with the sidewall of housing.When light source module is assembled in the assembly hole of projector, protrude element and promote steering mechanism, make the guide plate that connects steering mechanism open certain angle, so that successfully guide and make the distinguished and admirable light supply apparatus that enters.
Description of drawings
Fig. 1 is the synoptic diagram of known fan and bulb module assembling;
Fig. 2 is the part front elevational view of projector of the present invention;
Fig. 3 is the part stereo bottom view of projector of the present invention;
Fig. 4 takes out the schematic perspective view of light source module from projector for the present invention;
Fig. 5 is the synoptic diagram of a preferred embodiment of light source module of the present invention;
Fig. 6 is the preferred embodiment of Fig. 5 and the schematic perspective view of heat abstractor assembling;
Fig. 7 is the schematic perspective view of another embodiment of light source module of the present invention;
Fig. 8 is the action synoptic diagram of another embodiment of light source module of the present invention of Fig. 7;
Fig. 9 is the schematic perspective view of the another embodiment of light source module of the present invention; And
Figure 10 is the action synoptic diagram of the another embodiment of light source module of the present invention of Fig. 9.
Embodiment
As shown in Figure 2, projector 100 of the present invention is made of with Circuits System unit (not shown) light source module 110, optical engine unit 200, projection lens unit 300.The type of cooling of light source module 110 mainly is described in the present invention, and in a preferred embodiment, the light source module 110 preferred ultra high pressure mercury bulbs (UHP) that use.Yet in other embodiments, also can use pure Xe lamp bulb or other high-power bulb.Following conjunction with figs. further specifies specific embodiments of the invention and step thereof.
Because light source module 110 belongs to consumable products, add factors such as service time, environment for use or manual operation, cause bulb to exhaust or the situation of explosion takes place unavoidably.Therefore, on the base 102 of projector 100, be typically provided with bottom 104, so that change light source module 110, as shown in Figure 3.As shown in Figure 4, Fig. 4 is the synoptic diagram of light source module 110 from assembly hole 106 taking-ups of base 102.The light source module 110 of present embodiment mainly is to be used with heat abstractor 130.
As shown in Figure 5, light source module 110 comprises light supply apparatus 112, housing 108, reaches at least one shade 122.In a preferred embodiment, light supply apparatus 112 is above-mentioned ultra high pressure mercury bulb.Housing 108 is arranged on an end of light supply apparatus 112, and the sidewall 124 of housing 108 is provided with air intake vent 120.Shade 122 is arranged on the housing 108 movably, and covers air intake vent 120.Wherein, when light source module 110 was assembled with heat abstractor 130, shade 122 relative air intake vents 120 produced relative displacements and also expose air intake vent 120.In addition, with regard to purpose, the import and export of required air when the setting of air intake vent 120 provides as light supply apparatus 112 cooling heat dissipations.Because light supply apparatus 112 has the possibility of explosion in use, and can therefore produce fragmentation, for preventing that fragmentation is scattered to other position of projector 100, and prevent that the user from being hurt by fragmentation when changing light source module 110, so need shade 122 be set in air intake vent 120 place's correspondences.
In the preferred embodiment as Fig. 5, shade 122 is preferably netted shade.In addition, present embodiment preferably is provided with two tracks 114 in two sides of air intake vent 120, and make shade 122 movably with track 114 sockets.Also be provided with the point of application of at least one barrier element 116 in shade 122 1 sides as external force.Wherein, barrier element 116 is preferably uncinus, but also can be any object that ridge etc. is enough to promote shade 122.In addition in other embodiments, the shade 122 ridge (not shown) that also can be set on heat abstractor 130 discharge pipes promotes.Shade 122 is connected at least one flexible member 118, utilizes elastic force to return back to initial position in order to the shade 122 that will be pushed displacement.Flexible member 118 is preferably the constant force spring of volute spring etc., and preferably is fixedly connected on shade 122 both sides of the edge.
As shown in Figure 6, Fig. 6 is when the light source module 110 that will upgrade light supply apparatus 112 reinstalls projector, and produces the action diagram of relative displacement with heat abstractor 130.When light source module 110 is assembled with heat abstractor 130, because of heat abstractor 130 maintains static, therefore the discharge pipe 132 of heat abstractor 130 will promote the barrier element 116 of shade 122, make shade 122 leave air intake vent 1210 along track 114, and expose air intake vent 120.After finishing assembling, the distinguished and admirable of heat abstractor 130 will directly enter and blow light supply apparatus 112 under the situation without any obstruction.
When explosion, decay or other factors take place the light supply apparatus 112 of light source module 110, then need change light source module 110.When taking out light source module 110, because of the pulling force of flexible member 118 fades away, flexible member 118 retracts shade 122, till covering air intake vent 120 fully.Therefore shade 122 is prevented that the fragmentation that produces because of explosion is from air intake vent 120 light source module 110 that is scattered.
As shown in Figure 7, Fig. 7 is the schematic perspective view of another preferred embodiment of the present invention.It mainly is in air intake vent 120 1 sides steering mechanism 140 to be set, and has axostylus axostyle 142 across shade 122 in shade 122 1 side settings, and shade 122 is connected with housing 108 by axostylus axostyle 142, and air intake vent 120 rotates relatively.In the preferred embodiment as Fig. 7, shade 122 is preferably two flow deflectors that are sealed shape, opens certain angle by steering mechanism's 140 control flow deflectors.
The steering mechanism 140 of present embodiment preferably comprises the mechanism that is combined by gear 144 and tooth bar 146.Wherein, gear 144 is arranged on an end of axostylus axostyle 142, and tooth bar 146 is arranged on the below of shade 122, and with gear 144 use that is meshing with each other.Tooth bar 146 1 sides also are connected with flexible member 148, and opposite side then is provided with guidance part 150.Flexible member 148 is preferably volute spring or other spring-like.Guidance part 150 is preferably triangle, for the protrusion element 152 with corresponding assembling is used.Protrude element 152 preferably be arranged on projector on cover (not shown).Yet in other embodiments, protrude element 152 accordingly and also can be arranged on other place.
As shown in Figure 8, when assembling light source module 110, protrude element 152 and utilize inclined plane principle to promote guidance part 150, tooth bar 146 transversal displacements and driven gear 144 are rotated, shade 122 will be opened certain angle simultaneously.It should be noted that at this this angle is preferably adjustable, in order to control distinguished and admirable direction that blows or zone.When protrusion element 150 minor faces triangular in shape were long more, the transversal displacement amount of tooth bar 146 was big more, and the angle that shade 122 is opened is also big more.Vice versa.In addition, when light source module 110 breaks away from protrusion element 152, the flexible member 148 that steering mechanism's 140 opposite sides are connected will recover elastic force.Tooth bar 146 is replied initial position with gear 144, and shade 122 promptly is removed with the state that covers air intake vent 120.
As shown in Figure 9, Fig. 9 is the schematic perspective view of further embodiment of this invention.Present embodiment mainly is to open shade 122 with another kind of steering mechanism 140.Steering mechanism 140 in the present embodiment comprises connecting rod 154, crank 156 and flexible member 148.Wherein, connecting rod 154 is connected on the end of axostylus axostyle 142, and 156 on crank is connected an end of connecting rod 154.When steering mechanism 140 is original state, the air intake vent 120 of shade 122 shield light source modules 110.In preferred embodiment shown in Figure 9, shade 122 is preferably two flow deflectors, and connecting rod 154 preferably connects an end of two axostylus axostyles 142 respectively.
As shown in figure 10, when assembling light source module 110, the inclined-plane that protrudes element 152 will promote the crank 156 of steering mechanism 140.156 on crank is drivening rod 154 rotations, shade 122 angle that is unlocked simultaneously.Flexible member 148 also will present the state of compression.Yet in the embodiment shown in fig. 10, the angle that shade 122 is opened is preferably by the bond length control of protruding element 152, and in other words, when bond length is long more, the length of crank 156 transversal displacements is long more, and the angle that shade 122 is opened is just big more.
When steering mechanism 140 breaks away from when protruding elements 152, flexible member 148 recover elastic force and throw crank 156 to initial position, connecting rod 154 drives axostylus axostyles 142, makes shade 122 homings and covers air intake vent 120.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.On the contrary, be included in the modification in the spirit and scope of claim and be equal to setting, all within the scope of the present invention.
Claims (14)
1. the light source module of a projector, itself and a heat abstractor are used, and comprise:
One light supply apparatus;
One housing is arranged on an end of described light supply apparatus, and described housing is provided with an air intake vent; And
At least one shade, described shade is arranged on the described housing movably, and covers described air intake vent;
Wherein, when described light source module and the assembling of described heat abstractor, the described relatively air intake vent of described shade produces relative displacement and exposes described air intake vent.
2. the light source module of the projector shown in claim 1, wherein said air intake vent is located on the sidewall of housing.
3. the light source module of the projector shown in claim 1, wherein said housing comprises at least one track of setting, and track is located at a side of air intake vent, and shade is connected with track movably.
4. the light source module of the projector shown in claim 1, wherein said shade comprises a netted shade.
5. the light source module of the projector shown in claim 4, wherein said netted shade one side comprises a barrier element of setting.
6. the light source module of the projector shown in claim 5, wherein when described light source module and heat abstractor assembling, heat abstractor promotes barrier element, makes netted shade produce the relative displacement of relative air intake vent.
7. the light source module of the projector shown in claim 1, wherein said shade comprises the axostylus axostyle across shade, and shade is connected with housing by axostylus axostyle, and air intake vent rotation relatively.
8. the light source module of the projector shown in claim 7, wherein said shade comprises at least one flow deflector of setting.
9. the light source module of the projector shown in claim 8 wherein also comprises a steering mechanism of setting, and it is arranged on a side of flow deflector, and steering mechanism's one side has a guidance part.
10. the light source module of the projector shown in claim 9, wherein when described light source module and heat abstractor assembling, guidance part makes flow deflector open an angle by steering mechanism.
11. the light source module of the projector shown in claim 9, wherein said steering mechanism also comprises a flexible member of setting, and flexible member is connected with steering mechanism, makes flow deflector be returned to initial position.
12. the light source module of the projector shown in claim 10, wherein guidance part comprises a protrusion element that is arranged on a loam cake.
13. the light source module of the projector shown in claim 10, wherein said steering mechanism comprises a tooth bar, and an end of rotating shaft comprises a gear of setting, and the rack and pinion engagement makes the gear driven flow deflector open an angle by promoting guidance part.
14. the light source module of the projector shown in claim 10, wherein said steering mechanism comprises a crank, and an end of rotating shaft comprises a connecting rod of connection, and connecting rod is connected with crank, makes connecting rod drive flow deflector by throw crank and opens an angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610101694A CN100590513C (en) | 2006-07-03 | 2006-07-03 | Light source module of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610101694A CN100590513C (en) | 2006-07-03 | 2006-07-03 | Light source module of projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101101435A CN101101435A (en) | 2008-01-09 |
| CN100590513C true CN100590513C (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610101694A Expired - Fee Related CN100590513C (en) | 2006-07-03 | 2006-07-03 | Light source module of projector |
Country Status (1)
| Country | Link |
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| CN (1) | CN100590513C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865780B (en) * | 2015-05-18 | 2017-10-10 | 毅丰显示科技（深圳）有限公司 | Projector air duct adjusting structure and method thereof |
| CN106678515B (en) * | 2016-12-07 | 2018-10-12 | 苏州佳世达光电有限公司 | A kind of angular adjustment apparatus and apply its electronic device |
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2006
- 2006-07-03 CN CN200610101694A patent/CN100590513C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101101435A (en) | 2008-01-09 |
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Granted publication date: 20100217 Termination date: 20100703 |