CN208092414U - A kind of spliced projecting apparatus - Google Patents
A kind of spliced projecting apparatus Download PDFInfo
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- CN208092414U CN208092414U CN201721813272.9U CN201721813272U CN208092414U CN 208092414 U CN208092414 U CN 208092414U CN 201721813272 U CN201721813272 U CN 201721813272U CN 208092414 U CN208092414 U CN 208092414U
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- scanning
- spliced
- subelement
- projecting apparatus
- optical fiber
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Abstract
The utility model discloses a kind of spliced projecting apparatus, including scanning means, rear projection screen and projection objective, scanning means includes scanning element array, scanning element array includes multiple laser scanning subelements, rear projection screen is set to the exit end of scanning element array, and projection objective is set to the exit end of rear projection screen.Multiple subgraphs that multiple laser scanning subelements are scanned and formed in scanning element array can be spliced into complete image on rear projection screen, be equivalent to realizes splicing in image source, in this way, after the complete image being spliced to form is projected by projection objective on extraneous projection screen, the defects of image overlapping and splicing gap would not also occur in image on projection screen, compared with prior art, without for each scan subelement be arranged complete set projection structure, also need not be each scanning subelement installation position adjustment structure, to reduce the structure complexity of spliced optical projection system and the complexity of adjustment process.
Description
Technical field
The utility model is related to laser scanning field more particularly to a kind of spliced projecting apparatus.
Background technology
With the development of society, needing using the fields such as the video display animation industry of projecting apparatus and convention, people couple
The requirement of display technology is also higher and higher, wherein main demand is reflected in high-resolution and super large physically.
Currently, in order to provide a user the picture of high-resolution and super large physical size, usually by multiple projecting apparatus groups
At an optical projection system, also i.e. the picture splicing that respectively projects multiple projecting apparatus together, but in actual use, by
In being not fixed for projector distance, namely because the relative position between each projecting apparatus and projection screen is different, it is easy so that splicing
There is the defects of image overlapping and splicing gap in image afterwards, so position displacement distance when each projecting apparatus is adjusted
It being all different with projective parameter, that is to say, that each projecting apparatus is required to the projection structure of complete set in optical projection system, and
Need for each projecting apparatus installation position adjustment structure, therefore the structure of entire optical projection system is complex, adjustment process also compared with
For complexity.
Utility model content
The utility model embodiment provides a kind of spliced projecting apparatus, to reduce the complicated of spliced optical projection system
The complexity of degree and adjustment process.
In order to realize that above-mentioned purpose of utility model, the utility model embodiment provide a kind of spliced projecting apparatus, including
Scanning means, rear projection screen and projection objective, the scanning means include scanning element array, and the scanning element array includes
Multiple laser scanning subelements, the rear projection screen are set to the exit end of the scanning element array, and the projection objective is set
It is placed in the exit end of the rear projection screen.
Optionally, the scanning means further includes light source, and the light source includes multiple luminescence units, the luminescence unit with
The laser scanning subelement corresponds.
Optionally, the luminescence unit include red light-emitting subelement, green luminescence subelement, blue light emitting subelement and
Closing light subelement.
Optionally, the laser scanning subelement is specially to scan optical fiber, and the scanning optical fiber includes optical fiber and for driving
Move the driving structure that the optical fiber is scanned.
Optionally, the scanning means further includes optical coupling unit, and the optical coupling unit is set to the luminescence unit
Exit end and it is described scanning optical fiber incidence end between.
Optionally, the incidence end of the optical fiber has lens arrangement.
Optionally, the laser scanning subelement is specially MEMS scanning galvanometers.
Optionally, the rear projection screen is that polylith screen is spliced, the sub- screen and the laser scanning subelement one
One corresponds to.
Optionally, the rear projection screen is a complete screen.
One or more technical solution in the utility model embodiment, at least has the following technical effect that or excellent
Point：
Since the spliced projecting apparatus that the utility model embodiment provides uses the dress of the scanning including scanning element array
It sets, the structure including rear projection screen and projection objective, so multiple laser scanning subelements scan and shape in scanning element array
At multiple subgraphs complete image can be spliced on rear projection screen, be equivalent to realizes splicing in image source,
In this way, after the complete image being spliced to form is projected by projection objective on extraneous projection screen, the figure on projection screen
The defects of as image overlapping and splicing gap would not also occur, compared with prior art, without being set for each scanning subelement
The projection structure of complete set is set, also need not be each scanning subelement installation position adjustment structure, to reduce splicing
The structure complexity of formula optical projection system and the complexity of adjustment process.
Description of the drawings
Fig. 1 is the module map for the spliced projecting apparatus that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for the scanning optical fiber that the utility model embodiment provides；
Fig. 3 is the schematic diagram for spliced the first realization method of projecting apparatus that the utility model embodiment provides；
Fig. 4 is the schematic diagram of second of realization method of spliced projecting apparatus that the utility model embodiment provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of spliced projecting apparatus, to reduce the complicated of spliced optical projection system
The complexity of degree and adjustment process.
Referring to FIG. 1, Fig. 1 is the module map for the spliced projecting apparatus that the utility model embodiment provides, as shown in Figure 1,
The spliced projecting apparatus includes scanning means 101, rear projection screen 102 and projection objective 103, and arrow is the propagation side of light in figure
To scanning means 101 includes scanning element array 1011, and scanning element array 1011 includes multiple laser scanning subelements
10111, the exit end in scanning element array 101 is arranged in rear projection screen 102, and projection objective 103 is arranged in rear projection screen 102
Exit end, in this way, the light of multiple laser scanning subelement outgoing can be incident upon rear projection screen in scanning element array 101
On 102, since rear projection screen has the characteristics that high-transmission rate and dispersion angle are controllable, so multiple in scanning element array 101
Multiple subgraphs that laser scanning subelement 10111 is scanned and is formed can be spliced into complete graph on rear projection screen
Picture, then be incident upon after being amplified complete image by projection objective 103 on extraneous projection screen, so as to user
Good visual effect is provided.
As can be seen that since the spliced projecting apparatus that the utility model embodiment provides is used including scanning element array
Scanning means, the structure including rear projection screen and projection objective, so multiple laser scanning subelements in scanning element array
The multiple subgraphs for scanning and being formed can be spliced into complete image on rear projection screen, be equivalent to and realized in image source
Splicing, in this way, after the complete image that is spliced to form is projected by projection objective on extraneous projection screen, projection screen
On image the defects of image overlapping and splicing gap would not also occur, compared with prior art, without for each scanning
The projection structure of complete set is arranged in unit, also need not be each scanning subelement installation position adjustment structure, to reduce
The structure complexity of spliced optical projection system and the complexity of adjustment process.
In specific implementation process, with continued reference to FIG. 1, scanning means 101 further includes light source 1012, light source 1012 is specific
Including multiple luminescence units 10121, luminescence unit 10121 is corresponded with laser scanning subelement 10111, that is to say, that hair
The quantity of light unit 10121 is identical with the quantity of laser scanning subelement 10111 in scanning element array 1011, and each
The light that luminescence unit 10121 is emitted only is incident in corresponding laser scanning subelement 10111.
In specific implementation process, luminescence unit can determine the structure of itself, such as spliced throwing according to color mode
When color mode used by shadow instrument is RGB patterns, luminescence unit 10111 includes red light-emitting subelement, green luminescence list
Member, blue light emitting subelement and closing light subelement, red light-emitting subelement, green luminescence subelement and blue light emitting subelement point
Not Chu She feux rouges, green light and blue light, closing light subelement by feux rouges, green light and blue light synthesize light beam, pass through control red light-emitting
Subelement, green luminescence subelement and blue light emitting subelement outgoing different proportion light, can make close beam after
Different colors is presented in light, in this way, while scanning optical fiber scanning to the different location in fiber array by control, control
The light of fiber exit corresponding color, and so on, scan fiber array in all optical fiber all by respective scanning area into
After row single pass, by the persistence effect of human eye, the corresponding visual experience of the picture can be provided a user, herein
It repeats no more.
In specific implementation process, laser scanning subelement 10111 is specially to scan optical fiber, referring to FIG. 2, Fig. 2 is this
The structural schematic diagram for the scanning optical fiber that utility model embodiment provides, as shown in Fig. 2, the scanning optical fiber includes optical fiber 201 and uses
In the driving structure 202 for driving the optical fiber, in practical applications, driving structure 202 can be piezoelectric ceramic actuator or electromagnetism
Driver etc. is not limited herein.
In specific implementation process, with continued reference to FIG. 1, when laser scanning subelement 10111 is specially to scan optical fiber,
Scanning means 101 further includes optical coupling unit 1013, and optical coupling unit 1013 includes multiple optical coupling subelements 10131, optocoupler
The quantity of zygote unit 10131 is identical as the scanning quantity of optical fiber in luminescence unit 10121 or scanning fiber array, and is arranged
Between the exit end of luminescence unit and the incidence end for scanning optical fiber, in this way, the light that luminescence unit 10121 is emitted can be by coupling
It is bonded in corresponding optical fiber.In practical applications, optical coupling unit is specifically as follows coupled lens etc., is not limited herein.
In specific implementation process, it is specially lens that the incidence end of optical fiber, which can be provided with lens arrangement namely the optical fiber,
Optical fiber (lensed fiber), optical fiber can form spherical, wedge shape or cone by the modes such as being sintered or grinding in optical fiber one end
The lens such as shape improve the numerical aperture of optical fiber, to improve the receipts light rate of optical fiber, no longer need to setting optical coupling unit in this way.
In specific implementation process, laser scanning subelement can also be specifically MEMS (English：Micro-Electro-
Mechanical System；Chinese：MEMS) scanning galvanometer, whens MEMS scanning galvanometers refers to using optical MEMS technology
Manufacture, the optical MEMS device that low-light speculum and MEMS actuator are integrated, in this way, being driven by MEMS actuator
Dynamic low-light speculum is into horizontal deflection, and the light being incident on low-light speculum can also deflect therewith, to realize the mesh of deflection
's.
It of courses, it should be noted that laser scanning subelement 10111 either scans optical fiber or MEMS (English：
Micro-Electro-Mechanical System；Chinese：MEMS) scanning galvanometer, swashs in scanning element array 1011
The quantity of optical scanning subelement 10111 is not limited, and the technical staff belonging to this field can close according to actual conditions
The laser scanning subelement 10111 of suitable quantity, to meet the needs of actual conditions, details are not described herein again.
In specific implementation process, rear projection screen 102 can be spliced by polylith screen, sub- screen and laser scanning
Unit corresponds, specifically, the beam projecting of each laser scanning subelement outgoing on corresponding sub- screen, in this way,
The subgraph formed on multiple sub- screens can form a spliced complete image, referring to FIG. 3, Fig. 3 is that this practicality is new
The schematic diagram for spliced the first realization method of projecting apparatus that type embodiment provides, as shown in figure 3, scanning element array 1011 wraps
Scanning optical fiber 301,302 and 303 is included, dotted line indicates that the reality to contain scanning optical fiber 301,302 and 303 may be not present in figure
Body structure, all identical below to repeat no more, rear projection screen 102 includes son screen 311,312 and 313, wherein scanning optical fiber 301 and son
Screen 311 corresponds to, and scanning optical fiber 302 is corresponding with son screen 312, and scanning optical fiber 303 is corresponding with son screen 313, in this way, scanning optical fiber 301,
The light of 302 and 303 outgoing is incident on corresponding sub- screen, can form subgraph on corresponding sub- screen, so as to
Form a width complete image.
Similarly, rear projection screen can also be a monoblock screen, and monoblock screen is divided into multiple regions, and region is swept with laser
Subelement one-to-one correspondence is retouched, specifically, the beam projecting of each laser scanning subelement outgoing is whole in scanning element array
Corresponding region on block screen, in this way, the subgraph formed in multiple regions can form a spliced complete image,
Referring to FIG. 4, Fig. 4 is the structural schematic diagram of second of realization method of spliced projecting apparatus that the utility model embodiment provides,
As shown in figure 4, scanning element array 1011 includes MEMS scanning galvanometers 401,402 and 403, rear projection screen 102 includes region
411,412 and 413, wherein MEMS scanning galvanometers 401 are corresponding with region 411, and MEMS scanning galvanometers 402 are corresponding with region 412,
MEMS scanning galvanometers 403 are corresponding with region 413, in this way, the light that MEMS scanning galvanometers 401,402 and 403 are emitted is incident on pair
On the region answered, subgraph can be formed on corresponding region, so as to form a width complete image.
In specific implementation process, projection objective 103 specifically can be by one or more convex lens, concavees lens, spherical surface
Mirror or aspherical mirror composition, are subject to and meet the needs of actual conditions, be not limited herein.
The utility model is limited it should be noted that above-described embodiment illustrates rather than the utility model,
And those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In right
In it is required that, any reference mark between bracket should not be configured to limitations on claims.Word "comprising" or " packet
Include " do not exclude the presence of element or step not listed in the claims.Word "a" or "an" before element is not arranged
Except there are multiple such elements.The utility model can be by means of including the hardware of several different elements and by means of suitable
It is realized when the computer of programming.In the unit claims listing several devices, several in these devices can be with
It is to be embodied by the same hardware branch.The use of word first, second, and third does not indicate that any sequence, can
These words are construed to title.
One or more technical solution in the utility model embodiment, at least has the following technical effect that or excellent
Point：
Since the spliced projecting apparatus that the utility model embodiment provides uses the dress of the scanning including scanning element array
It sets, the structure including rear projection screen and projection objective, so multiple laser scanning subelements scan and shape in scanning element array
At multiple subgraphs complete image can be spliced on rear projection screen, be equivalent to realizes splicing in image source,
In this way, after the complete image being spliced to form is projected by projection objective on extraneous projection screen, the figure on projection screen
The defects of as image overlapping and splicing gap would not also occur, compared with prior art, without being set for each scanning subelement
The projection structure of complete set is set, also need not be each scanning subelement installation position adjustment structure, to reduce splicing
The structure complexity of formula optical projection system and the complexity of adjustment process.
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
The utility model is not limited to specific implementation mode above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (11)
1. a kind of spliced projecting apparatus, which is characterized in that including scanning means, rear projection screen and projection objective, the scanning dress
It sets including scanning element array, the scanning element array includes multiple laser scanning subelements, and the rear projection screen is set to
The exit end of the scanning element array, the projection objective are set to the exit end of the rear projection screen.
2. spliced projecting apparatus as described in claim 1, which is characterized in that the scanning means further includes light source, the light
Source includes multiple luminescence units, and the luminescence unit is corresponded with the laser scanning subelement.
3. spliced projecting apparatus as claimed in claim 2, which is characterized in that the luminescence unit includes that red light-emitting is single
Member, green luminescence subelement, blue light emitting subelement and closing light subelement.
4. spliced projecting apparatus as described in claim 1, which is characterized in that the laser scanning subelement is specially to scan light
Fibre, the scanning optical fiber includes optical fiber and the driving structure for driving the optical fiber to be scanned.
5. spliced projecting apparatus as claimed in claim 2 or claim 3, which is characterized in that the laser scanning subelement is specially to sweep
Optical fiber is retouched, the scanning optical fiber includes optical fiber and the driving structure for driving the optical fiber to be scanned, the scanning means
Further include optical coupling unit, the optical coupling unit is set to the incidence of the exit end and the scanning optical fiber of the luminescence unit
Between end.
6. spliced projecting apparatus as claimed in claim 4, which is characterized in that the incidence end of the optical fiber has lens arrangement.
7. spliced projecting apparatus as described in claim 1, which is characterized in that the laser scanning subelement is specially that MEMS is swept
Retouch galvanometer.
8. the spliced projecting apparatus as described in any one of claim 1-4 and 6-7, which is characterized in that the rear projection screen is
Polylith screen is spliced, and the sub- screen is corresponded with the laser scanning subelement.
9. spliced projecting apparatus as claimed in claim 5, which is characterized in that the rear projection screen for polylith screen splices and
At the sub- screen is corresponded with the laser scanning subelement.
10. the spliced projecting apparatus as described in any one of claim 1-4 and 6-7, which is characterized in that the rear projection screen is
One complete screen.
11. spliced projecting apparatus as claimed in claim 5, which is characterized in that the rear projection screen is a complete screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721813272.9U CN208092414U (en) | 2017-12-22 | 2017-12-22 | A kind of spliced projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721813272.9U CN208092414U (en) | 2017-12-22 | 2017-12-22 | A kind of spliced projecting apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208092414U true CN208092414U (en) | 2018-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721813272.9U Active CN208092414U (en) | 2017-12-22 | 2017-12-22 | A kind of spliced projecting apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068831A (en) * | 2019-04-02 | 2019-07-30 | 深圳市速腾聚创科技有限公司 | Glisten radar and its emitter and detection method |
| CN111896934A (en) * | 2020-07-29 | 2020-11-06 | 西安知微传感技术有限公司 | MEMS laser radar receiving system and method |
| CN112133209A (en) * | 2020-09-09 | 2020-12-25 | 苏州东岩电子科技有限公司 | Seamless splicing method for images of projection display equipment |
| CN114114675A (en) * | 2020-08-27 | 2022-03-01 | 成都理想境界科技有限公司 | Spliced scanning projection device and method |
-
2017
- 2017-12-22 CN CN201721813272.9U patent/CN208092414U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068831A (en) * | 2019-04-02 | 2019-07-30 | 深圳市速腾聚创科技有限公司 | Glisten radar and its emitter and detection method |
| CN111896934A (en) * | 2020-07-29 | 2020-11-06 | 西安知微传感技术有限公司 | MEMS laser radar receiving system and method |
| CN111896934B (en) * | 2020-07-29 | 2023-04-18 | 西安知微传感技术有限公司 | MEMS laser radar receiving system and method |
| CN114114675A (en) * | 2020-08-27 | 2022-03-01 | 成都理想境界科技有限公司 | Spliced scanning projection device and method |
| CN114114675B (en) * | 2020-08-27 | 2024-02-06 | 成都理想境界科技有限公司 | Spliced scanning projection device and method |
| CN112133209A (en) * | 2020-09-09 | 2020-12-25 | 苏州东岩电子科技有限公司 | Seamless splicing method for images of projection display equipment |
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