CN209471332U - Rotate light projection imaging structure - Google Patents
Rotate light projection imaging structure Download PDFInfo
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- CN209471332U CN209471332U CN201920155303.9U CN201920155303U CN209471332U CN 209471332 U CN209471332 U CN 209471332U CN 201920155303 U CN201920155303 U CN 201920155303U CN 209471332 U CN209471332 U CN 209471332U
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- luminescence chip
- chip group
- light
- image screen
- concentration structure
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Abstract
The utility model discloses a kind of rotation light projection imaging structures, including baseplate heat sink, luminescence chip group, concentration structure, image screen and camera lens.The light that luminescence chip group issues converges to image screen through concentration structure and is projected out pattern through camera lens again.It further include motor, motor makes luminescence chip group and concentration structure rotates movement, and then enables to be mapped to image screen glazed thread and generate mobile trail change.Using persistence of vision principle, visually increase its light-emitting area and brightness.Energy-efficient improves the brightness and the uniformity for launching hot spot or pattern.Reduce the cooling requirements of luminescence chip group again simultaneously.
Description
Technical field
The utility model relates to projection arts, and in particular to a kind of rotation light projection imaging structure.
Background technique
Projection advertisement equipment has more flexible as a kind of novel advertisement product, and energy-efficient, advertising results are more novel,
It can be widely used for various displayings, stage performance, light show, city lighting, the fields such as light decoration, working principle can state
Are as follows: image screen is converged to by light source luminescent and with condenser, projects pattern finally by camera lens.But by current LED light
The limitation of source development, high-power projection light source is high to the density requirements of chip light emitting point, and more dispersing, the light efficiency provided is lower,
Bigger its of LED chip power necessarily causes energy consumption bigger, and more requirement of the high density LED luminescence chip to heat dissipation is also higher.
Utility model content
The purpose of this utility model is to provide a kind of rotation light projection imaging structures, it has the advantage that: can regard
Brightness and the area of projection imaging are improved in feel to the greatest extent, and can be reduced power utmostly to reduce dissipating for luminescence chip group
Heat request.
To achieve the above object, the utility model provides the following technical solutions:
A kind of rotation light projection imaging structure, including baseplate heat sink, luminescence chip group, concentration structure, image screen and mirror
Head.The light that luminescence chip group issues converges in image screen through concentration structure, then is projected out pattern through camera lens, and baseplate heat sink is used
It radiates in luminescence chip group, concentration structure is for converging light in image screen.It further includes motor, and motor drives substrate to dissipate
Hot device, some or all of rotation in luminescence chip group and concentration structure, so that concentration structure converges in image screen
Light can generate the trail change of annular movement.
Preferably, luminescence chip group is fixed on baseplate heat sink, the concentration structure and baseplate heat sink it is fixed and and
Luminescence chip group is driven by a motor rotation together.
Preferably, luminescence chip group is made of one or more luminescence chips, and luminescence chip is centering on the rotation axis
It is fixed on the position of different radii distance.
Preferably, concentration structure further includes reflecting mirror, is fixedly connected with reflecting mirror on motor shaft, and the concentration structure of front end is by light
Beam convergence is rebooted and is reflected into image screen to mirror surface.The motor drives reflecting mirror rotation.It is not generated with other component
Connection remains stationary.
Preferably: mirror plane and motor shaft form an angle fixation, and reflection angle controls the light beam in reflection and produces
Raw annular movement track is in the range of image screen.
Preferably, baseplate heat sink on be provided with flabellum, motor drives baseplate heat sink and flabellum to rotate together.
The working principle of the utility model are as follows: the substrate of fixed luminescence chip group is equipped on baseplate heat sink, shine core
Piece group is at least made of one or more luminescence chips (luminous point), on substrate there are many kinds of the modes of stationary arrangement: one
As be the uniform fixed each luminescence chip (luminous point) of dislocation on the position of different radii distance using axis of rotation as the center of circle, shine
Concentration structure is housed, effect is pooling the light maximum brightness of each luminescence chip (luminous point) sending before chipset
Each region point of the light beam cover on imaging screen revolves region point when the rotational speed is high using persistence of vision principle
Turn motion track and become greater area of light emitting region circle, the light emitting region circle interleaving combinations of different radiuses of rotation are at more large area
Light-emitting surface.Visually increase light-emitting area and brightness (although the region actually irradiated be still a little, due to revolving speed spy
It is not fast, be visually a ring of light).
Concentration structure is generally by reflector, the composition such as various eyeglasses and reflecting mirror.Luminescence chip group matching concentration structure, one
As be that the part of a concentration structure or concentration structure is installed independently to match single luminescence chip, portion before each luminescence chip
It is divided into Integral luminous chipset to share.Its purpose is provided to realize collects the light convergence of each luminescence chip to greatest extent
In converge to each beam focus in image screen, when its rotation can make beam focus generate movement.
When baseplate heat sink and luminescence chip group is static be fixed from rotation when, concentration structure increases external reflection
Mirror, reflecting mirror and motor axis connection, the light beam that luminescence chip group converges can be reflected into image screen by reflecting mirror, due to reflection
Mirror is fixed with the angled partial center of motor shaft, and when motor high speed rotation, the angle of reflection light also changes, thus
The light being mapped in image screen is set to generate the trail change of annular movement.
If the light that concentration structure issues directive image screen does not rotate, the convergence of each of which luminescence chip (luminous point) is radiated at figure
As being a region point on screen, if the light that concentration structure issues directive image screen rotates, when revolving speed is sufficiently fast, then it is being schemed
As screen is upper or by lens imaging, eye recognition is an annular section, the application exactly utilizes this principle.With to the greatest extent may be used
The few luminescence chip (luminous point) of energy, realizes imaging demand as high as possible.
The utility model has the following beneficial effects: its brightness that can improve projection imaging to the greatest extent and area and
Utmostly reduce luminescence chip group power and cooling requirements.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is a specific embodiment schematic diagram of the utility model luminescence chip group arrangement；
Fig. 3 is the schematic diagram that reflecting mirror connects motor；
Wherein, motor 1, flabellum 2, baseplate heat sink 3, luminescence chip group 4, luminescence chip 41, concentration structure 5,51 reflect
Mirror, image screen 6, camera lens 7.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
The technical solution of the utility model specific implementation is:
As depicted in figs. 1 and 2,
A kind of Novel rotary projection light source imaging arrangement, including baseplate heat sink 3, luminescence chip group 4, concentration structure 5, figure
As screen 6, camera lens 7.Baseplate heat sink 3 fixes luminescence chip group 4, and the light that luminescence chip group 4 issues converges to figure through concentration structure 5
Pattern is projected out as shielding on 6, then through camera lens 7.It further includes motor 1, and motor 1 drives baseplate heat sink 3 and 4 He of luminescence chip group
Concentration structure group 5 rotates together, and then the light being mapped in image screen 6 is enable to generate the trail change of annular movement, utilizes view
Feel persists principle, so that the hot spot or pattern that project from camera lens 7 be made visually to increase area and enhance brightness.
(camera lens is replaced under same area can play the effect to highlight)
Flabellum 2 is also added on baseplate heat sink 3, motor axis connection flabellum 2 rotates together, and flabellum 2 can using rotation
Wind-cooling heat dissipating is done to front end substrate radiator 3.
In another specific embodiment, as Fig. 1 and Fig. 2 drive baseplate heat sink 3 high when 1 high speed rotation of motor
Speed rotation, luminescence chip group 4 are made of multiple luminescence chips 41.Luminescence chip 41 is centered on axis of rotation, different half
The position of diameter distance is fixed, and an optically focused mechanism is fixed with before each luminescence chip 41, and each luminescence chip 41 is issued
Light maximum brightness converge on the different location of image screen 6, form multiple hot spots, it is temporary using vision when the rotational speed is high
Principle is stayed, each hot spot is made to do annular movement centered on axis of rotation, mobile track becomes greater area of light emitting region
Circle, the light emitting region circle of different radii, which interweaves, is superimposed as greater area of light-emitting surface.Visually increase light-emitting area and bright
Degree.The arrangement dislocation of luminescence chip group 4 is more uniform, and the light irradiation covering image screen generated after rotation is also more uniform, camera lens projection
Imaging surface visually also brightness is more uniform.
In another specific embodiment, concentration structure 5 is made of light-collecting lens and reflector, each luminescence chip 41
It is preceding all to fix a set of concentration structure unit, it drives with the fixed drive shaft by motor 1 of baseplate heat sink 3 and rotates together, all
Concentration structure unit periphery is further fixed on a set of concentration structure, it separated with baseplate heat sink 3 it is stationary, can will periphery it is extra
Astigmatism converges in image screen 6.
In another specific embodiment, as shown in figure 3, when substrate fans hot device 3 and the static fixation of luminescence chip group 4 not
When can rotate, concentration structure 5 further includes reflecting mirror 51, and reflecting mirror 51 is connect with the shaft of motor 1, and reflecting mirror 51 can be by front end
The light beam that concentration structure 5 converges is reflected into image screen 6, due to the angled partial center of shaft of reflecting mirror 51 and motor 1
Fixed, when 1 high speed rotation of motor, reflecting mirror 51 also changes to light launch angle, and transmitting converges in image screen 6
On focal beam spot also to circularize track mobile, when motor speed is sufficiently fast, persistence of vision principle is equally also utilized, to make
The hot spot or pattern projected from camera lens 7 visually increases area and enhances brightness.
The working principle of the utility model are as follows: make baseplate heat sink 3 and luminescence chip group 4 and concentration structure 5 all or its
Middle part distribution member high speed rotation, so that moving in rotation is generated from the light that concentration structure 5 issues directive image screen 6, it is temporary using vision
Principle is stayed, area is visually increased to make to project whole imaging effect from camera lens 7 and enhances brightness.If optically focused
The light that structure 5 issues directive image screen 6 does not rotate, then it is a boxed area in image screen 6, if concentration structure 5 issues
The light of directive image screen 6 rotates, when revolving speed is sufficiently fast, then its in image screen 6, eye recognition is an annular section,
The application exactly utilizes this principle.Luminescence chip (luminous point) as few as possible is moved, realizes imaging demand as high as possible.
The utility model has the following beneficial effects: can visually greatly improve projection imaging brightness and area and
By reducing power to substantially reduce the cooling requirements of luminescence chip group.
The above is only the preferred embodiment of the utility model, it is noted that for the technology people of the art
Member for, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of rotation light projection imaging structure, including baseplate heat sink, luminescence chip group, concentration structure, image screen and camera lens；
The light that luminescence chip group issues converges in image screen through concentration structure, then is projected out pattern through camera lens, and baseplate heat sink is used for
It radiates to luminescence chip group, concentration structure is for converging light to image screen；It is characterized by also including motor, motor bands
Some or all of rotation in dynamic baseplate heat sink, luminescence chip group and concentration structure, so that concentration structure converges to
Light in image screen can generate the trail change of annular movement.
2. rotating light projection imaging structure according to claim 1, it is characterised in that: luminescence chip group is fixed on substrate heat dissipation
On device, the concentration structure is fixed simultaneously with baseplate heat sink and is driven by a motor rotation together with luminescence chip group.
3. rotating light projection imaging structure according to claim 2, it is characterised in that: luminescence chip group is sent out by one or more
Optical chip forms, fixed on the position of luminescence chip different radii distance centering on the rotation axis.
4. rotating light projection imaging structure according to claim 1, it is characterised in that: concentration structure further includes reflecting mirror, electricity
Reflecting mirror is fixedly connected on arbor, light is converged to mirror surface, reboots and be reflected into image screen by the concentration structure of front end；
The motor drives reflecting mirror rotation.
5. rotating light projection imaging structure according to claim 4, it is characterised in that: mirror plane and motor shaft are at certain
Angle is fixed.
6. rotation light projection imaging structure according to claim 1, which is characterized in that be provided with fan on baseplate heat sink
Leaf, motor drive baseplate heat sink and flabellum to rotate together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920155303.9U CN209471332U (en) | 2019-01-29 | 2019-01-29 | Rotate light projection imaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920155303.9U CN209471332U (en) | 2019-01-29 | 2019-01-29 | Rotate light projection imaging structure |
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| Publication Number | Publication Date |
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| CN209471332U true CN209471332U (en) | 2019-10-08 |
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| CN201920155303.9U Active CN209471332U (en) | 2019-01-29 | 2019-01-29 | Rotate light projection imaging structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581798A (en) * | 2019-01-29 | 2019-04-05 | 苏州金双宇光电科技有限公司 | Rotate light projection imaging structure |
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2019
- 2019-01-29 CN CN201920155303.9U patent/CN209471332U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581798A (en) * | 2019-01-29 | 2019-04-05 | 苏州金双宇光电科技有限公司 | Rotate light projection imaging structure |
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