CN103529627A - Optical machine structure of projector and projector - Google Patents
Optical machine structure of projector and projector Download PDFInfo
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- CN103529627A CN103529627A CN201310489143.9A CN201310489143A CN103529627A CN 103529627 A CN103529627 A CN 103529627A CN 201310489143 A CN201310489143 A CN 201310489143A CN 103529627 A CN103529627 A CN 103529627A
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Abstract
The invention relates to an optical machine structure of a projector and the projector. The optical machine structure of the projector comprises an optical machine main body and an optical component arranged on the optical machine main body. The optical machine main body comprises a substrate and a first side plate connected with the substrate, and the substrate is arranged vertically; the optical component comprises a light source, a first planar reflector, a second planar reflector, a third planar reflector, a fourth planar reflector, a first spectroscope, a second spectroscope, and a triangular prism, wherein light emitted by the light source is divided by the first spectroscope into first color light and second color light, the first color light is reflected sequentially by the first planar reflector and the second planar reflector, the second color light is divided by the second spectroscope into third color light and fourth color light, the fourth color light is sequentially reflected by the third planar reflector and the fourth planar reflector, and the first color light, the third color light and the fourth color light are synthesized and projected to a projection screen by the triangular prism. According to the optical machine structure of the projector, the light path is more reasonable, and cooling devices required by the projector are fewer.
Description
Technical field
The present invention relates to projector equipment, particularly relate to a kind of mechanical-optical setup and projector of projector.
Background technology
At present, projector is used more and more extensive, and people are also more and more higher to the requirement of projector's quality, the most important thing is the serviceable life of projector.Although at present the serviceable life of projector with compared and be greatly improved in the past, compare or have very large gap with the electronic product such as televisor.Moreover, projector's noise is also a factor of restriction projector development.It is that projector's thermal value is too large that projector produces the underlying cause of above-mentioned shortcoming, need a large amount of wind to go coolingly just can make it move normally, projector has developed so for many years, people also can only a little go to change the serviceable life that its heat dispersion improves projector.
The heat radiation of the mechanical-optical setup of projector is all that wind is from bottom to blowing up, this is the design concept of current most of projector, but its shortcoming is that air outlet in the above, from mechanical-optical setup, wind out can not well utilize cooling other electronic components again, makes projector that a plurality of cooling fans need to be set and carries out cooling.
Yet, because will take into account light path, propagate, the mechanical-optical setup of projector is difficult to go to change by the change of structure the direction of propagation of cooling air at present, to use less cooling fan to obtain preferably cooling air circulation.
Summary of the invention
Based on this, be necessary to provide a kind of mechanical-optical setup that the less projector of cooling device was propagated and needed to more rational light path that has.
A kind of projector that uses above-mentioned mechanical-optical setup is further provided.
A mechanical-optical setup for projector, comprising:
Ray machine main body, comprises substrate and the first side plate being connected with described substrate, and described the first side plate lies against on the casing of projector described substrate is vertically arranged on described casing;
Optical module, be arranged on described substrate, comprise light source, the first plane mirror, the second plane mirror, the 3rd plane mirror, the 4th plane mirror, the first spectroscope, the second spectroscope and prism, the light that described light source sends is divided into the first color of light and the second color of light by described the first spectroscope, described the first plane mirror and the second plane mirror reflect described the first color of light successively, make described the first color of light enter described prism, described the second spectroscope is divided into the 3rd color of light and the 4th color of light by described the second color of light, and make described the 3rd color of light directly enter described prism, described the 3rd plane mirror and the 4th plane mirror are launched described the 4th color of light successively, make described the 4th color of light enter described prism, described prism is by described the first color of light, projection projection screen after the 3rd color of light and the 4th color of light are synthetic.
Therein in an embodiment, described the first plane mirror, the first spectroscope are parallel with the 4th plane mirror, and described the second plane mirror, the second spectroscope are parallel with the 3rd plane mirror.
Therein in an embodiment, the acute angle that described the first plane mirror and described the first side plate form is 45 ℃, the acute angle that described the second plane mirror and described the first side plate form is 45 ℃, and described the first plane mirror and the second plane mirror not parallel.
Therein in an embodiment, described the 3rd plane mirror and the formed acute angle of described prism are 45 ℃, described the 4th plane mirror and the formed acute angle of described prism are 45 ℃, and described the 3rd plane mirror and the 4th plane mirror not parallel.
In an embodiment, described the first spectroscope is blue light splitting mirror therein, and described the second spectroscope is green spectroscope.
In an embodiment, described optical module also comprises the catoptron being arranged on described substrate therein, and the light that described light source sends is after the transmitting of described catoptron, more described the first spectroscope of process forms the first color of light and the second color of light.
Therein in an embodiment, on the substrate of described ray machine main body, be provided with for the fixing keeper of cooling device.
Therein in an embodiment, described ray machine main body also comprises the second side plate, the 3rd side plate, the 4th side plate, the first fixation wall, the second fixation wall and the 3rd fixation wall, described substrate, the first side plate, the second side plate, the 3rd side plate, the 4th side plate, the first fixation wall, the second fixation wall and the 3rd fixation wall surround accommodating cavity, and described optical module is contained in described accommodating cavity.
Therein in an embodiment, in described the first fixation wall, the second fixation wall and the 3rd fixation wall, all offer pickup groove, described the second plane mirror, the 3rd plane mirror and the 4th plane mirror are embedded at respectively on the pickup groove of described the first fixation wall, the second fixation wall and the 3rd fixation wall.
, comprise that the mechanical-optical setup of casing and above-mentioned projector, the first side plate of the mechanical-optical setup of described projector lie against on the casing of projector described substrate is vertically arranged on described casing.
The mechanical-optical setup of above-mentioned projector, the first side plate of its ray machine main body lies against on the casing of projector and makes substrate vertically be arranged on casing, when making the cooling air level of cooling device blow to this mechanical-optical setup, cooling air can level enter level out, thereby can directly blow to other elements of projector inside, make to use the required cooling device of the projector of this mechanical-optical setup less; And, by each element of optical module is rationally arranged in ray machine main body, while making substrate vertically be arranged on the casing of projector, also can guarantee that more rational light path propagates.
Accompanying drawing explanation
Fig. 1 is the structural representation of mechanical-optical setup of the projector of an embodiment;
Fig. 2 is that the mechanical-optical setup of the projector shown in Fig. 1 is positioned over the view in the casing of projector;
Fig. 3 is the light path schematic diagram of the mechanical-optical setup of the projector shown in Fig. 1.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to intension of the present invention in the situation that, so the present invention is not subject to the restriction of following public concrete enforcement.
Refer to Fig. 1, the mechanical-optical setup 100 of the projector of an embodiment, comprises ray machine main body 10 and optical module.
Ray machine main body 10 comprises substrate 11, the first side plate 12, the second side plate 13, the 3rd side plate 14 and the 4th side plate 15.The first side plate 12, the second side plate 13, the 3rd side plate 14 are all connected with substrate 11 with the 4th side plate 15.Wherein, the size of substrate 11 is all greater than the size of the first side plate 12, the second side plate 13, the 3rd side plate 14 and the 4th side plate 15.
The first side plate 12 is relative and parallel with the second side plate 13.The 3rd side plate 14 is L-type.One end of the 3rd side plate 14 is connected with the first side plate 12.One end of the 4th side plate 15 is connected with the other end of the 3rd side plate 14, and the other end of the 4th side plate 15 is connected with the second side plate 13.
Preferably, ray machine main body 10 also comprises the first fixation wall 16, the second fixation wall 17 and the 3rd fixation wall 18.Substrate 11, the first side plate 12, the second side plate 13, the 3rd side plate 14, the 4th side plate 15, the first fixation wall 16, the second fixation wall 17 and the 3rd fixation wall 18 surround accommodating cavity (figure is mark not), and optical module is contained in accommodating cavity.
In the first fixation wall 16, the second fixation wall 17 and the second fixation wall 18, offer respectively pickup groove.
Further, ray machine main body 10 also comprises the first holding section 101 and the second holding section 102.The first holding section 101 and the second holding section 102 are arranged on substrate 11, and are contained in accommodating cavity.Please refer to Fig. 2, optical module comprises light source 21, the first plane mirror 22, the second plane mirror 23, the 3rd planar transmit mirror 24, the 4th plane mirror 25, the first spectroscope 26, the second spectroscope 27 and prism 28.
While ray machine main body 10 being put on the casing of projector, the first side plate 12 is lain against on the casing of projector, the mechanical-optical setup 100 of this projector is vertically placed in the casing of projector.
The mechanical-optical setup 100 of projector is vertically placed in the casing of projector, the substrate 11 that refers to the mechanical-optical setup 100 of projector vertically arranges, the mechanical-optical setup that is different from traditional projector is horizontally placed in the casing of projector, while being horizontally disposed with, be generally that larger-size substrate is placed horizontally in the casing of projector, rather than substrate is erected and erected.
When the mechanical-optical setup horizontal positioned of projector, the cooling air of cooling device can only be blown into by the below of mechanical-optical setup cooling mechanical-optical setup preferably, and cooling air is blown into from below, from top, blows out.Yet the height of the casing of projector is limited, the wind that wind is produced by boasting from the top of mechanical-optical setup is difficult to again utilize by structure directing; Even the casing of projector is done very greatly, with the wind of producing by boasting from mechanical-optical setup by the utilization of structure directing secondary, but this guiding is very large to the direction of wind and flow velocity change, and the flow velocity of wind can reduce a lot, thereby is difficult to the effective cooling that carries out to projector.
The substrate 11 of the mechanical-optical setup 100 of projector is vertically placed in the casing of projector, makes the cooling air level of cooling device blow to this mechanical-optical setup with the mechanical-optical setup 100 of cooling this projector preferably.Cooling air level enters, and can blow out through air channel guide frame level, very little to the air speed influence of cooling air.Thereby, can utilize cooling air by secondary, without another cooling device is set again.
The first plane mirror 22 is arranged on substrate 11.One end of the first plane mirror 22 and the first side plate 12 support, and the other end and the 3rd side plate 14 support, and the first plane mirror 22 is arranged on substrate 11 comparatively securely.The second plane mirror 23 is embedded in the pickup groove in the first fixation wall 16.The 3rd plane mirror 24 is embedded in the pickup groove in the second fixation wall 17, and the 4th plane mirror 25 is embedded in the pickup groove in the 3rd fixation wall 18.By the pickup groove in the first fixation wall 16, the second fixation wall 17 and the 3rd fixation wall 18, fix respectively the second plane mirror 23, the 3rd plane mirror 24 and the 4th plane mirror 25, make the installation of the second plane mirror 23, the 3rd plane mirror 24 and the 4th plane mirror 25 more for convenience.
The first spectroscope 26 is arranged on substrate 11.One end of the first spectroscope 26 and the second side plate 13 support, and the other end and the first holding section 101 support.The second spectroscope 27 is arranged on substrate 11.The two ends of the second spectroscope 27 engage and are fixed on substrate 11 with the first holding section 101 and the second holding section 102 respectively.
While using the mechanical-optical setup 100 of projector, the first side plate 12 of ray machine main body 10 is lain against on the casing of projector, the mechanical-optical setup 100 of Shi Gai projector is vertically arranged at state that the mechanical-optical setup 100 of the casing Shang，Gai projector of projector vertically places as shown in Figure 2.
Refer to Fig. 3, the first spectroscope 26 is divided into the first color of light 201 and the second color of light 202 for the light that light source 21 is sent; The first plane mirror 22 and the second plane mirror 23, for reflecting successively the first color of light 201, make the first color of light 201 enter prism 28; The second spectroscope 27 is for being divided into the second color of light 202 the 3rd color of light 203 and the 4th color of light 204; The 3rd plane mirror 24 and the 4th plane mirror 25, for reflecting successively the 4th color of light 204, make the 4th color of light 204 enter prism 28; Prism is for the synthesis of the first color of light 201, the 3rd color of light 203 and the 4th color of light 204.
Light path is propagated as shown in Figure 3, the light 200 that light source 21 sends forms the first color 201 and the second color of light 202 through the first spectroscope 26, the first color of light 201 enters prism 28 through the reflection of the first plane mirror 22 and the second plane mirror 23 successively, the second color of light 202 forms the 3rd color of light 203 and the 4th color of light 204 through the second spectroscope 27, the 3rd color of light 203 enters prism 28, the 4th color of light 204 enters prism 28 through the reflection of the 3rd plane mirror 24 and the 4th plane mirror 25 successively, the first color of light 201, the 3rd color of light 203 and the 4th color 204 light are synthetic through prism 28, project again projection screen 300.
The mechanical-optical setup 100 of above-mentioned projector, the first side plate 12 of its ray machine main body 10 lies against on the casing of projector substrate 11 is vertically arranged on casing.This set makes when the cooling air level of cooling device is blowed to after the mechanical-optical setup 100 of this projector, because cooling air has certain initial velocity, can blow out and directly blow to other elements of projector inside through air channel guiding horizontal, make projector still can obtain good cooling effect in the situation that using less cooling device, the flow direction of cooling air is as shown in the arrow of Fig. 2.Therefore, substrate 11 is vertically placed, and can improve the cooling air circulation of projector, therefore can use less cooling device to obtain cooling effect preferably, has not only saved electric energy, and the noise sending in the time of can also reducing projector's work, is conducive to environmental protection.
And, by each element of optical module is rationally arranged in ray machine main body 10, while making the substrate 11 of the mechanical-optical setup 100 of this projector vertically be arranged on the casing of projector, not only improved the circulation of cooling air, can also guarantee that more rational light path propagates.
Therefore, by each element of reasonable Arrangement optical module in ray machine main body 10, the light path of the mechanical-optical setup 100 of rationally improvement projector, and substrate 11 is vertically arranged in the casing of projector, can guarantee under the prerequisite that more rational light path is propagated, can reduce cooling device, environmental protection and energy saving.
The height of the casing of projector generally exceeds much than mechanical-optical setup, the substrate of the mechanical-optical setup of projector 100 11 is vertically placed, the mechanical-optical setup 100 of projector while just having taken some horizontal positioned, take less than space, and the space taking is in the horizontal direction less.The space of the horizontal direction of projector is most important to the indoor design of projector, because a lot of elements of projector are all to lean on the drain pan of casing fix and locate, the substrate 11 of the mechanical-optical setup 100 of projector is vertically placed, the casing that can increase projector space in the horizontal direction, thereby the arranging of other elements of projector is more prone to, because horizontal space position becomes large, the positioning precision of element also can improve, the design meeting of projector inside is more reasonable, is conducive to improve the compactedness of projector.
Preferably, on the substrate 11 of ray machine main body 10, be provided with keeper, for fixing cooling device (not shown).Refrigerating plant is arranged on substrate 11 by keeper, makes projector inside compacter.
Preferably, the first plane mirror 22, the first spectroscope 26 are parallel with the 4th plane mirror 25, and the second plane mirror 23, the second spectroscope 27 are parallel with the 3rd plane mirror 24.
And the acute angle that the first plane mirror 22 and the first side plate 12 form is 45 ℃, the second plane mirror 23 is 45 ℃ with the acute angle of the first side plate 12 formation, and the first plane mirror 22 and the second plane mirror 23 not parallel.
The 3rd plane mirror 24 is 45 ℃ with the formed acute angle of prism 28, and the 4th plane mirror 25 is 45 ℃ with the formed acute angle of prism 28, and the 3rd plane mirror 24 and the 4th plane mirror 25 not parallel.
The reasonable setting of above-mentioned the first plane mirror 22, the second plane mirror 23, the 3rd plane mirror 24, the 4th plane mirror 25, the first spectroscope 26 and the second spectroscope 27, is conducive to reduce the loss of light in light path is propagated, and improves and light effect.
Preferably, the first spectroscope 26 is blue light splitting mirror, and the second spectroscope 27 is green spectroscope.Light source 21 is white light source.The first color of light 201 that the light 200 that light source 21 sends forms through the first spectroscope 26 is blue light, and the second color of light 202 is for closing coloured light.The 3rd color of light 203 that the second color of light 202 forms through the second spectroscope 27 is red light, and the 4th color of light 204 is green light.
The first color of light 201, the 3rd color of light 203 and the 4th color of light 204 enter in prism 28, projection projection screen 300 after blue light, red light and green light are synthetic in prism 28.
In blue light, red light and green light, the light intensity of green light is the strongest, and blue light takes second place, and red light is the most weak.The second color of light 202 closes coloured light after the second spectroscope 27-green spectroscope, the 3rd color of light 203 forming is that red light directly enters in prism 28, with respect to the first color of light 201(blue light) and the 4th color of light 204(green light), the light path of red light is the shortest.And the 4th color of light 204 is that the light that sent by light source 21 is successively after the first spectroscope 26 and the second spectroscope 27 form, through the reflection of the 3rd plane mirror 24 and the 4th plane mirror 25, enter in prism 28 successively again, therefore, the light path of green light is the longest.
The light intensity of green light is the strongest, blue light takes second place, and red light is the most weak, and the light path of red light is the shortest, the loss reduction in communication process, and blue light takes second place, and the loss of green light is maximum, makes the light intensity of red light, blue light and green light equal as far as possible.So light path is propagated, and not only obtains good drop shadow effect, has also solved green light because light intensity causes the most by force the problem that temperature is higher, is conducive to extend the serviceable life of projector.
Preferably, optical module also comprises blue light treating apparatus, ruddiness treating apparatus and the green glow treating apparatus (not shown) being arranged on substrate 11.
The first color of light 201 is first passed through the processing of blue light treating apparatus before entering prism 28; The 3rd color of light 203 is first passed through the processing of ruddiness treating apparatus before entering prism 28; The 4th color of light 204 is first passed through the processing of green glow treating apparatus before entering prism, so that the light of projection projection screen 300 more approaches natural light, and the color saturation while improving projector's projection.
Please again consult Fig. 2, preferably, optical module also comprises the catoptron 29 being arranged on substrate 11, and first the light 200 that light source 21 sends pass through the reflection of catoptron 29, then forms the first color of light 201 and the second color of light 202 through the light splitting of the first spectroscope 26.
Catoptron 29 is set further to regulate light path, to obtain preferably drop shadow effect.
In addition, also provide ，Gai projector of a kind of projector to comprise the mechanical-optical setup 100 of casing and above-mentioned projector.The substrate 11 that the first side plate 12 of the mechanical-optical setup 100 of above-mentioned projector lies against the mechanical-optical setup 100 of casing Shang，Shi Gai projector is vertically arranged in casing.
Owing to using the mechanical-optical setup 100 of above-mentioned projector, the substrate 11 of the mechanical-optical setup 100 of Bing Jiang projector is vertically arranged in casing, making this projector have more rational light path propagates, and required cooling device is less, not only saved electric energy, the noise sending in the time of can also reducing projector's work, environmental protection and energy saving.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
- The mechanical-optical setup of 1.Yi Zhong projector, is characterized in that, comprising:Ray machine main body, comprises substrate and the first side plate being connected with described substrate, and described the first side plate lies against on the casing of projector described substrate is vertically arranged on described casing;Optical module, be arranged on described substrate, comprise light source, the first plane mirror, the second plane mirror, the 3rd plane mirror, the 4th plane mirror, the first spectroscope, the second spectroscope and prism, the light that described light source sends is divided into the first color of light and the second color of light by described the first spectroscope, described the first plane mirror and the second plane mirror reflect described the first color of light successively, make described the first color of light enter described prism, described the second spectroscope is divided into the 3rd color of light and the 4th color of light by described the second color of light, and make described the 3rd color of light directly enter described prism, described the 3rd plane mirror and the 4th plane mirror reflect described the 4th color of light successively, make described the 4th color of light enter described prism, described prism is by described the first color of light, projection projection screen after the 3rd color of light and the 4th color of light are synthetic.
- 2. the mechanical-optical setup of projector according to claim 1, is characterized in that, described the first plane mirror, the first spectroscope are parallel with the 4th plane mirror, and described the second plane mirror, the second spectroscope are parallel with the 3rd plane mirror.
- 3. the mechanical-optical setup of projector according to claim 2, it is characterized in that, the acute angle that described the first plane mirror and described the first side plate form is 45 ℃, the acute angle that described the second plane mirror and described the first side plate form is 45 ℃, and described the first plane mirror and the second plane mirror not parallel.
- 4. the mechanical-optical setup of projector according to claim 2, it is characterized in that, described the 3rd plane mirror and the formed acute angle of described prism are 45 ℃, described the 4th plane mirror and the formed acute angle of described prism are 45 ℃, and described the 3rd plane mirror and the 4th plane mirror not parallel.
- 5. the mechanical-optical setup of projector according to claim 1, is characterized in that, described the first spectroscope is blue light splitting mirror, and described the second spectroscope is green spectroscope.
- 6. the mechanical-optical setup of projector according to claim 1, it is characterized in that, described optical module also comprises the catoptron being arranged on described substrate, and the light that described light source sends is after the transmitting of described catoptron, more described the first spectroscope of process forms the first color of light and the second color of light.
- 7. the mechanical-optical setup of projector according to claim 1, is characterized in that, is provided with for the fixing keeper of cooling device on the substrate of described ray machine main body.
- 8. the mechanical-optical setup of projector according to claim 1, it is characterized in that, described ray machine main body also comprises the second side plate, the 3rd side plate, the 4th side plate, the first fixation wall, the second fixation wall and the 3rd fixation wall, described substrate, the first side plate, the second side plate, the 3rd side plate, the 4th side plate, the first fixation wall, the second fixation wall and the 3rd fixation wall surround accommodating cavity, and described optical module is contained in described accommodating cavity.
- 9. the mechanical-optical setup of projector according to claim 8, it is characterized in that, in described the first fixation wall, the second fixation wall and the 3rd fixation wall, all offer pickup groove, described the second plane mirror, the 3rd plane mirror and the 4th plane mirror are embedded at respectively on the pickup groove of described the first fixation wall, the second fixation wall and the 3rd fixation wall.
- 10.Yi Zhong projector, is characterized in that, comprises the mechanical-optical setup of the projector described in casing and claim 1～9 any one, and the first side plate of the mechanical-optical setup of described projector lies against on the casing of projector described substrate is vertically arranged on described casing.
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| CN201310489143.9A CN103529627A (en) | 2013-10-17 | 2013-10-17 | Optical machine structure of projector and projector |
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| CN201310489143.9A CN103529627A (en) | 2013-10-17 | 2013-10-17 | Optical machine structure of projector and projector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111577A (en) * | 2014-07-03 | 2014-10-22 | 宁波摩米创新工场电子科技有限公司 | Optical engine structure of projector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6290360B1 (en) * | 1997-11-20 | 2001-09-18 | Hitachi, Ltd. | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same |
| CN1564965A (en) * | 2002-07-26 | 2005-01-12 | 索尼株式会社 | Projector |
-
2013
- 2013-10-17 CN CN201310489143.9A patent/CN103529627A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6290360B1 (en) * | 1997-11-20 | 2001-09-18 | Hitachi, Ltd. | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same |
| CN1564965A (en) * | 2002-07-26 | 2005-01-12 | 索尼株式会社 | Projector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111577A (en) * | 2014-07-03 | 2014-10-22 | 宁波摩米创新工场电子科技有限公司 | Optical engine structure of projector |
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Application publication date: 20140122 |