CN206649272U - A kind of projector - Google Patents
A kind of projector Download PDFInfo
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- CN206649272U CN206649272U CN201720295654.0U CN201720295654U CN206649272U CN 206649272 U CN206649272 U CN 206649272U CN 201720295654 U CN201720295654 U CN 201720295654U CN 206649272 U CN206649272 U CN 206649272U
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Abstract
Projection display technique field is the utility model is related to, existing projector architecture is complicated and brightness can not meet to require in order to solve, and discloses a kind of projector, including：Converging module；For optical module；Image display；Camera lens；Described image display module and the secondary light source group are staggered relatively, and are located at converging module both sides respectively；The camera lens and the first light source group are staggered relatively, and are located at the other both sides of the converging module respectively；The converging module is used to the light from the first light source group and the secondary light source group is transmitted and reflected so that the light from the first light source group and the secondary light source group is projected to described image display module after closing light and is modulated display；The image that described image display module is shown is emitted to the camera lens after converging module reflection.Arrival image-displaying member is modulated display after multichannel light source is carried out into closing light by converging module, simple in construction.
Description
Technical field
Projection display technique field is the utility model is related to, more particularly to a kind of projector.
Background technology
Current micro projection ray machine largely uses the DLP technologies of TIX, its primary picture and light
Line traffic control device is commonly referred to as DMD optical modulators.It is a kind of high micromirror arrays of reflectivity, it is necessary to coordinate illumination
The picture that usually used RGB three primary colors are formed is converted into the projection that our human eyes are clear to by optical system and projection optical system
Picture.Wherein the conventional method for combining lamp optical system and projection optical system is that have lens measure using one
The total internal reflection element in face.
Projector, although simplifying structure, is also produced in height generally using light source is as projection light source all the way at present
Only by light source all the way in the environment of brightness, brightness can not meet user's request, such as outdoor.It is existing increase brightness method be
Using fluorescent material or fluorescence colour wheel, so not only make structure more complicated, projector's volume increase, will also result in the radiating of projector
Burden is very big, influences service life.
Utility model content
The purpose of this utility model is according to the deficiencies in the prior art, there is provided a kind of projector simple in construction, passes through
Converging module integrates multichannel light source closing light, and the light source after converging is delivered into image-displaying member together, to realize projection.
To achieve the above object, the utility model provides following technical scheme：
A kind of projector, including：Converging module, including the first prism unit and the second lens unit；For optical module, including
First light source group and secondary light source group；Image display, for producing projected image；Camera lens, show for receiving from image
Show the image that module reflects through converging module；Between having between first prism unit of the converging module and the second lens unit
Gap, and face close to each other is plane；Described image display module and the secondary light source group are staggered relatively, and are located at respectively
Converging module both sides；The camera lens and the first light source group are staggered relatively, and are located at other the two of the converging module respectively
Side；The converging module is used to the light from the first light source group and the secondary light source group is transmitted and reflected, and makes
The progress of described image display module must be projected to after closing light from the light of the first light source group and the secondary light source group
Modulation display；The image that described image display module is shown is emitted to the camera lens after converging module reflection.
Preferably, the light source that the first light source group is emitted is through the second lens unit close to the saturating of the face of the first light source group
Penetrate, incided with 45 degree of angles in the plane close with the first prism unit of the second lens unit.
Preferably, first prism unit includes one-level prism, and the one-level prism is arranged to right-angle prism, described straight
Three faces of angle prism are all plane, and the angle in two of which face is 90 degree.
Preferably, first prism unit includes one-level prism and three-level prism, the one-level prism and three-level prism
It is mutually glued to set；Wherein, the one-level prism is arranged to right-angle prism, and three faces of the right-angle prism are all plane, its
In the angle in two faces be 90 degree；The three-level prism be arranged to three faces all be plane prism, three-level prism one of them
Face and the face where one-level prism hypotenuse are glued.
Preferably, second lens unit includes two level lens, and the two level lens are arranged to only close to the first light
One face of source group is plane, and its lap is the prism of curved surface.
Preferably, the second described lens unit includes level Four prism, the first free-form surface lens and the second free form surface
Lens；Wherein, the level Four prism, the first free-form surface lens and the second free-form surface lens are glued to be set, wherein first from
It is plane respectively to have a face by toroidal lens and the second free-form surface lens；Three faces of the level Four prism are all plane, its
In two planes it is mutually glued with the plane of the first free-form surface lens and the second free-form surface lens respectively.
Preferably, the second described lens unit includes level Four prism and the second free-form surface lens, and second is freely bent
There is space between face lens and level Four prism, mutually close face is plane.
Preferably, the first described light source group includes, and the first light source, collimation lens set, is divided microscope group, relay lens and answers
Eyelens or optical wand, wherein, first light source includes two kinds of coloured light in RGB three primary colors；Secondary light source group includes, the second light
Source, collimation lens set, relay lens and fly's-eye lens or optical wand, wherein the secondary light source includes removing the in RGB three primary colors
Another three primary colors coloured light of two kinds of coloured light of one light source group.
Preferably, the first described light source group includes, and the first light source, collimation lens set, is divided microscope group, relay lens and answers
Eyelens or optical wand, wherein, the first light source includes three kinds of coloured light in RGB three primary colors；Secondary light source group includes, secondary light source,
Collimation lens set, relay lens and fly's-eye lens or optical wand, wherein, the secondary light source includes appointing in RGB three primary colors light sources
Anticipate a kind of coloured light, the secondary light source is arranged to strengthen radiant.
Preferably, the wavelength of described reinforcement radiant is narrow compared to the wavelength of the RGB three primary colors light sources of the first light source group.
The beneficial effects of the utility model are：By the light path integration of converging module, multichannel light source is subjected to closing light
Image-displaying member is reached afterwards is modulated display, simple in construction, small volume.At the same time it can also will wherein all the way light source set
To strengthen light, it is narrower compared to other light sources optical wavelength to strengthen the wavelength of light, to have the function that reinforcement, so as to improve whole system
The brightness of system.
Brief description of the drawings
Fig. 1 is the projector architecture schematic diagram of the utility model embodiment one；
Fig. 2 is a kind of scenario-frame schematic diagram of one photosynthetic module of the utility model embodiment；
Fig. 3 is the photosynthetic module another kind scenario-frame schematic diagram of the utility model embodiment one；
Fig. 4 is the projector architecture schematic diagram of the utility model embodiment two.
Embodiment
The technical solution of the utility model is illustrated with reference to the accompanying drawings and examples.
Embodiment one
It is as shown in Figure 1 the utility model projector architecture schematic diagram, including：Produce the trichromatic first light source groups of RGB
300 and produce red laser light source be strengthen radiant 201 secondary light source group 200 for optical module, the first prism unit and
The first converging module 100 that second lens unit combines, the image display 400 for producing projected image and for receiving
Camera lens 401 through the reflected image of the first converging module 100.
Image display 400 and secondary light source group 200 are staggered relatively, and are located at the both sides of the first converging module 100 respectively,
Camera lens 401 and the first light source group 300 are staggered relatively, and are located at the other both sides of the first converging module 100, the first light source group respectively
RGB three primary colors coloured light caused by 300 is totally reflected to image display 400, the second light twice by the first converging module 100
Red laser caused by the reinforcement light source 201 of source group 200 directly reaches image display transmitted through the first converging module 100
400, image display 400 reflexes to the image of display up to camera lens 401 through ovennodulation through the first converging module 100 again.
Wherein, the first converging module 100 as shown in Figure 1 includes the first prism unit and the second lens unit；Wherein
One prism unit includes one-level prism 101, and the second lens unit includes two level lens 102.
In the utility model embodiment, the one-level prism 101 is arranged to right-angle prism, three faces of the right-angle prism
All it is plane, it is plane that the two level lens 102, which are arranged to only close to a face of the first light source group, and its lap is curved surface
Prism, the wherein plane of two level lens 102 are with close to each other with the plane where the hypotenuse of one-level prism 101, and in order to obtain
Preferable refractive index, the plane of two level lens 102 and is provided with certain between the plane where the hypotenuse of one-level prism 101
Gap.
Wherein, in the utility model embodiment, gap, and phase are respectively provided between the first prism unit and the second lens unit
Mutually close face is plane, and the plane close to each other can be arranged in parallel, non-parallel can also set.
In the utility model embodiment, two level of the light source through the second lens unit that the first light source group 300 is emitted is saturating
Mirror 102 is incided in the plane of two level lens 102 of the second lens unit close to the transmission in the face of the first light source group 300, in order to
Obtain the effect of total reflection, it is preferable that the light source of the first light source group 300 incides the two level of the second lens unit with 45 degree of angles
The plane of lens 102.
In the utility model embodiment, the light source that the first light source group 300 is emitted is through the second lens unit close to first
The transmission in the face of light source group 300, incided with 45 degree of angles in the plane close with the first prism unit of the second lens unit.Its
In, in three faces of the right-angle prism, the angle in two faces could be arranged to 90 degree, the face where hypotenuse and the first light source group
The optical axis included angle of RGB three primary colors coloured light could be arranged to 45 degree caused by 300.Wherein, in the utility model embodiment, second is saturating
Mirror unit is coated with the film of the light of the narrow light of permeable wavelength and reflection wavelength close to the face of the first light source group 300.
Wherein, in the utility model embodiment, the first prism unit and the second lens unit plane close to each other are plated
There is anti-reflection film.
Wherein, in the utility model embodiment, the first light source group 300, including：First light source, the first collimation lens set
311st, the second collimation lens set 312, the 3rd collimation lens set 313, the first spectroscope 304, the anti-feux rouges of the anti-saturating blue light of green glow are saturating
Second spectroscope 306 of green glow and blue light, the first relay lens 305, the second relay lens 308 and first fly's-eye lens or optical wand
307；Wherein, the first light source includes RGB three primary colors light sources, i.e. red-light source 301, green-light source 302 and blue light source 303, institute
LED light source can be used by stating RGB three primary colors light source.
Wherein, the incident direction of blue-light source 303 and the 3rd collimation lens 313, the first relay lens 305, the first compound eye
Lens or optical wand 307 are consistent with the central optical axis of the second relay lens 308, and with the first spectroscope 304 and the second spectroscope 306
Angle be 45 degree.
Wherein, blue-light source 303 transmits the 3rd collimation lens 313, the first spectroscope 304, the first relay lens successively
305th, the second spectroscope 306, first fly's-eye lens or the relay lens 308 of optical wand 307 and second, finally reach and close at a certain angle
Second lens unit of optical module 100.
Wherein, the incident direction of green light source 302 and the 3rd collimation lens 313, the first relay lens 305, the first compound eye
The central optical axis of lens or the relay lens 308 of optical wand 307 and second are vertical, and with the first spectroscope 304 and the second spectroscope 306
Angle be 45 degree.
Wherein, green-light source 302 transmits the second collimation lens set 312 successively, after the reflection of the first spectroscope 304, transmission
First relay lens 305, the second spectroscope 306, first fly's-eye lens or the relay lens 308 of optical wand 307 and second are finally with one
Determine the second lens unit that angle reaches converging module 100.
Wherein, the incident direction of red light source 301 and the 3rd collimation lens 313, the first relay lens 305, the first compound eye
The central optical axis of lens or the relay lens 308 of optical wand 307 and second are vertical, and with the first spectroscope 304 and the second spectroscope 306
Angle be 45 degree.
Wherein, red light source 301 transmits the first collimation lens set 311 successively, after the reflection of the second spectroscope 306, transmission
308 last the second lens for reaching converging module 100 at a certain angle of first fly's-eye lens or 307 and second relay lens of optical wand
Unit.
The RGB three primary colors light sources of first light source group 300 outgoing, i.e. red-light source 301, green-light source 302 and blue light source
303, the two level lens 102 of the second lens unit are incided after transmission and reflection respectively, through two level lens 102 close to first
After the curved surface transmission of light source group 300, the plane of two level lens 102 is incided, and two level lens 102 are incided after reflection
Another curved surface, after reflection, reach image display 400.Here curved surface can also replace with plane, and plane can also
Curved surface is replaced with, as long as the transmission and reflection of light source can be realized.
Wherein, in the utility model embodiment, secondary light source group 200, including：Secondary light source, the 4th collimation lens set
202, the second fly's-eye lens or the relay lens 204 of optical wand 203 and the 3rd.Wherein, the secondary light source is arranged to strengthen radiant
201, it is red laser light source to strengthen radiant 201 described in the present embodiment, and the incident direction of red laser light source is accurate with the 4th
Straight lens group 202, the second fly's-eye lens or optical wand 203 are consistent with the central optical axis of the 3rd relay lens 204；The red laser
The 4th collimation lens set 202, the second fly's-eye lens or the relay lens 204 of optical wand 203 and the 3rd are transmitted successively, finally with certain angle
Degree reaches the second lens unit of converging module 100.
Wherein, secondary light source group 200, i.e. red laser caused by reinforcement light source 201 pass through the 4th collimation lens set 202,
The two level lens 102 of the second lens unit are incided after second fly's-eye lens or the transmission of the relay lens 204 of optical wand 203 and the 3rd,
After two level lens 102 are close to the curved surface transmission of the first light source group 300, passed through with the three primary colors light source of the first light source group 300 outgoing
Light source after the plane reflection of two level lens 102 converges, and the direction after converging is consistent, and the light source incidence after converging is saturating to two level
Another curved surface of mirror 102, after reflection, image display 400 is reached, image display 400 will be shown through ovennodulation
Image reflexed to again through the first converging module 100 up to camera lens 401.Wherein, in the utility model embodiment, image shows mould
The predominantly light modulator part, such as dmd chip of block 400.
Wherein, in the utility model embodiment, the first light source group 300 and secondary light source group 200 are incided after converging and reached
Depending on the angle of image display chip wants the chip model of visible image display module, such as image display is 90 degree of reflections,
The angle of so incident image display module of 300 and first light source group of secondary light source group 200 is exactly vertical incidence.If image shows
It is other angle reflections to show module, then incidence angle of the light source group 200 of secondary light source group 300 and first after converging will be made
Respective change, this can pass through the angle for the incident light for adjusting the first light source group 200, and the first prism unit and the second prism
The reflection of unit and transmission angle are realized.
Wherein, in the utility model embodiment, the secondary light source, that is, strengthen radiant 201 and be not necessarily arranged to red
LASER Light Source, strengthen narrow other color light sources of optical wavelength that radiant 201 or optical wavelength compare the first light source module.So as to
Reach the effect of lifting projection brightness.
As shown in Fig. 2 in the present embodiment, the first converging module may be replaced by the second converging module 103, wherein first
Prism unit is balsaming lens, i.e., including one-level prism 101 and the glued setting of three-level prism 104；Second lens unit is non-glue
Lens are closed, i.e., including two level lens 102.The one-level prism 101 is arranged to right-angle prism, and three faces of the right-angle prism are all
For plane, the angle in two of which face is 90 degree, the face where hypotenuse and RGB three primary colors coloured light caused by the first light source group 300
Optical axis included angle be 45 degree；Three-level prism 104 is the prism that three faces are all plane, and one of face and one-level prism 101 are oblique
Face where side is glued.It is plane that the two level lens 102, which are arranged to an only face, and its lap is the prism of curved surface, wherein
The plane of two level lens 102 and a face with three-level prism 104 are close to each other and parallel to each other.
As shown in figure 3, in the present embodiment, the first converging module may be replaced by the 3rd converging module 106, wherein first
Prism unit is non-balsaming lens, i.e., is arranged to right-angle prism, the right angle including one-level prism 101, the one-level prism 101
Three faces of prism are all plane, and the angle in two of which face is 90 degree, caused by the face where hypotenuse and the first light source group 300
The optical axis included angle of RGB three primary colors coloured light is 45 degree；Second lens unit is balsaming lens, i.e., including level Four prism 105, first certainly
Set by 107 and second free-form surface lens of toroidal lens 108 are glued, wherein the first free-form surface lens 107 and second are free
It is plane that toroidal lens 108, which respectively has a face, and other faces are curved surface；Three faces of the level Four prism 105 are all plane, its
In a plane and the plane where the hypotenuse of one-level prism 101 it is close to each other and parallel to each other, the level Four prism 105
Two other plane is glued with the plane of the first free-form surface lens 107 and the second free-form surface lens 108 respectively.
In the utility model embodiment, the second described lens unit can also include level Four prism and the second free form surface
Lens, and have space between the second free-form surface lens and level Four prism, mutually close face is plane.
The converging module of the utility model embodiment is not limited to described in above example, as long as the utility model reality can be realized
The structure of the function of example is applied, can be applicable in the converging module of the projector shown in Fig. 1.
Embodiment two
Projector architecture as shown in Figure 4, its distinctive points main with embodiment one are the first light source for optical module
Group 310 and secondary light source group 206 are different from embodiment 1, and remaining structure is identical with embodiment one.
Wherein, the main distinction of the first light source group 310 and the first light source group 300 in embodiment one is in the present embodiment
The first light source group 310 using two kinds of coloured light in three primary colors as the first light source, coloured light selected by the present embodiment is blue light and green
Light, so being saved compared to the first light source group 300 in embodiment one using trichromatic three kinds of coloured light as light source, the present embodiment
The first relay lens 305 and the second spectroscope 306 are removed, other structures and arrangement mode are constant.
Wherein, the main distinction of secondary light source group 206 and the secondary light source group 200 in embodiment one is, described second
Light source includes another three primary colors coloured light that two kinds of coloured light of the first light source group are removed in RGB three primary colors, will be real in the present embodiment
The red laser light source for applying the secondary light source group 200 in example one strengthens radiant and is substituted for red light, and such a light can use LED
Light source, the other structures compared to the secondary light source group 200 in embodiment one are constant.
Wherein, the second lens unit is coated with the film of the anti-saturating feux rouges of blue light and green glow close to the face of secondary light source group 206.
Above content is to combine the further description that optimal technical scheme is done to the utility model, it is impossible to is assert real
These explanations are only limitted to new specific implementation.For the utility model person of an ordinary skill in the technical field,
On the premise of not departing from the utility model design, simple deduction can be made and replaced, should be all considered as of the present utility model
Protection domain.
Claims (10)
- A kind of 1. projector, it is characterised in that including：Converging module, including the first prism unit and the second lens unit；For optical module, including the first light source group and secondary light source group；Image display, for producing projected image；Camera lens, for receiving the image reflected from image display through converging module；There is gap between first prism unit of the converging module and the second lens unit, and face close to each other is flat Face；Described image display module and the secondary light source group are staggered relatively, and are located at converging module both sides respectively；The camera lens and the first light source group are staggered relatively, and are located at the other both sides of the converging module respectively；The converging module is used to the light from the first light source group and the secondary light source group is transmitted and reflected, and makes The progress of described image display module must be projected to after closing light from the light of the first light source group and the secondary light source group Modulation display；The image that described image display module is shown is emitted to the camera lens after converging module reflection.
- 2. a kind of projector according to claim 1, it is characterised in that the light source of the first light source group outgoing is through second Lens unit incides being leaned on the first prism unit for the second lens unit close to the transmission in the face of the first light source group with 45 degree of angles In near plane.
- 3. a kind of projector according to claim 1 or 2, it is characterised in that first prism unit includes one-level rib Mirror, the one-level prism are arranged to right-angle prism, and three faces of the right-angle prism are all plane, and the angle in two of which face is 90 degree.
- 4. a kind of projector according to claim 1 or 2, it is characterised in that first prism unit includes one-level rib Mirror and three-level prism, the one-level prism and three-level prism are mutually glued to be set；Wherein, the one-level prism is arranged to right-angled edge Mirror, three faces of the right-angle prism are all plane, and the angle in two of which face is 90 degree；The three-level prism is arranged to three Face is all the prism of plane, and the one of face of three-level prism and the face where one-level prism hypotenuse are glued.
- 5. a kind of projector according to claim 1 or 2, it is characterised in that it is saturating that second lens unit includes two level Mirror, it is plane that the two level lens, which are arranged to only close to a face of the first light source group, and its lap is the prism of curved surface.
- 6. a kind of projector according to claim 1 or 2, it is characterised in that the second described lens unit includes level Four Prism, the first free-form surface lens and the second free-form surface lens；Wherein, the level Four prism, the first free-form surface lens and Second free-form surface lens are glued to be set, wherein it is flat that the first free-form surface lens and the second free-form surface lens, which respectively have a face, Face；Three faces of the level Four prism are all plane, and two of which plane is free with the first free-form surface lens and second respectively The plane of toroidal lens is mutually glued.
- 7. a kind of projector according to claim 1 or 2, it is characterised in that the second described lens unit includes level Four Prism and the second free-form surface lens, and have space between the second free-form surface lens and level Four prism, mutually close face is flat Face.
- 8. a kind of projector according to claim 1 or 2, it is characterised in that the first described light source group includes：First light Source, collimation lens set, microscope group, relay lens and fly's-eye lens/optical wand are divided, wherein, first light source includes RGB three primary colors In two kinds of coloured light；Secondary light source group includes：Secondary light source, collimation lens set, relay lens and fly's-eye lens/optical wand, wherein The secondary light source includes another three primary colors coloured light that two kinds of coloured light of the first light source group are removed in RGB three primary colors.
- 9. a kind of projector according to claim 1 or 2, it is characterised in that the first described light source group includes：First light Source, collimation lens set, microscope group, relay lens and fly's-eye lens/optical wand are divided, wherein, the first light source is included in RGB three primary colors Three kinds of coloured light；Secondary light source group includes：Secondary light source, collimation lens set, relay lens and fly's-eye lens/optical wand, wherein, it is described Secondary light source includes any one coloured light in RGB three primary colors light sources.
- 10. a kind of projector according to claim 9, it is characterised in that the wavelength of described secondary light source is compared to The wavelength of the RGB three primary colors light sources of one light source group is narrow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720295654.0U CN206649272U (en) | 2017-03-24 | 2017-03-24 | A kind of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720295654.0U CN206649272U (en) | 2017-03-24 | 2017-03-24 | A kind of projector |
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| Publication Number | Publication Date |
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| CN206649272U true CN206649272U (en) | 2017-11-17 |
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| CN201720295654.0U Expired - Fee Related CN206649272U (en) | 2017-03-24 | 2017-03-24 | A kind of projector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873295A (en) * | 2017-03-24 | 2017-06-20 | 广景视睿科技（深圳）有限公司 | A kind of projector |
| WO2019090958A1 (en) * | 2017-11-13 | 2019-05-16 | 深圳光峰科技股份有限公司 | Light source system and projection device applying light source system |
-
2017
- 2017-03-24 CN CN201720295654.0U patent/CN206649272U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873295A (en) * | 2017-03-24 | 2017-06-20 | 广景视睿科技（深圳）有限公司 | A kind of projector |
| CN106873295B (en) * | 2017-03-24 | 2019-08-02 | 广景视睿科技（深圳）有限公司 | A kind of projector |
| WO2019090958A1 (en) * | 2017-11-13 | 2019-05-16 | 深圳光峰科技股份有限公司 | Light source system and projection device applying light source system |
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Granted publication date: 20171117 |