CN207799317U - A kind of Small Scale Adjustable projection arrangement based on secondary reflection - Google Patents
A kind of Small Scale Adjustable projection arrangement based on secondary reflection Download PDFInfo
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- CN207799317U CN207799317U CN201820092166.4U CN201820092166U CN207799317U CN 207799317 U CN207799317 U CN 207799317U CN 201820092166 U CN201820092166 U CN 201820092166U CN 207799317 U CN207799317 U CN 207799317U
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- reflective mirror
- connecting rod
- lifting support
- semicircle
- projection arrangement
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Abstract
The utility model discloses a kind of Small Scale Adjustable projection arrangement based on secondary reflection, it is related to optical projection apparatus technical field, solving existing secondary reflection projection arrangement reflective mirror fixed setting causes light path to be fixed with light path, the problem of being difficult to apply in different environment and be difficult to the trapezoidal deformation of micro-adjustment projected image, the utility model includes the projecting apparatus shell that light source mechanism is provided on the right side of inner bottom, projecting apparatus shell left or right side is provided with camera lens, two guide grooves are vertically arranged in projecting apparatus shell inner left wall, lifting support is provided on guide groove, lifting support is coordinated by lifting gear and guide groove, the inclined reflective mirror a for being provided with adjustable angle on lifting support, constant tilt is provided with reflective mirror b below lifting support.
Description
Technical field
The utility model is related to optical projection apparatus technical fields, more particularly to a kind of based on the small of secondary reflection
Type adjustable projection device.
Background technology
Projecting apparatus, also known as projector are a kind of equipment that can be projected image or video on curtain, can be by not
The same computer of interface together, VCD, DVD, BD, game machine, DV etc., which are connected, plays corresponding vision signal.LCD liquid crystal projection apparatus
A type of projecting apparatus, LCD projector have the advantages that color rendition preferably, it is high resolution, small, light-weight, take
Band gets up to be convenient to, and is currently the main product in projector market.
Currently, the projection arrangement based on Single panel LCD liquid crystal technology, light source assembly (such as light source, reflector have been generally comprised
Deng), incident leaded light component (generally convex lens, collector lens, reflector and light cone and incident Fresnel Lenses etc.), liquid
Crystalline substance screen, is emitted Fresnel Lenses and camera lens.Part projector, in the horizontal direction, outgoing Fresnel Lenses and camera lens it
Between, one is provided with optical axis center in 45 degree of speculum.But the optics and light path design of this kind of projection arrangement, all only one
Light path change is carried out on a horizontal plane, form is single, and function is simple.
The utility model patent of application number CN201720481960.3 discloses a kind of light channel structure of projecting apparatus, from its public affairs
It is seen in the structure opened, the propagation path which changes light using two panels reflective mirror is increased outside projecting apparatus makes the throwing of light
There is difference in height in shadow position in vertical direction with light source position, realizes the change in light path vertical direction, extends simultaneously
The propagation distance of light, can in a limited space in be fully projected out clearly image；But its reflective mirror is in projecting apparatus
External stability is arranged, so its light path, light path is caused to be also fixed, which limits it cannot be under some different environment
It uses, also limits its function of being adjusted to projected image, while the reflective mirror occupied space of external stability setting is big, it can not
Flexibly moved；Study carefully its essence, only closely amplification fills an auxiliary being placed outside except ready-made projector
It sets, it is to amplify projected image in relatively narrow space to play basic goal.
Utility model content
The purpose of this utility model is that：Cause light path solid with light path to solve reflective mirror fixed setting in above-mentioned patent
It is fixed, it is difficult to the problem of applying in different environment and being difficult to adjust projected image, especially for figuring out how in projecting apparatus
The speculum of inner utilization small area, the physical aspect and complete machine structure for changing projector itself are stacked to change and adjust projection
Light path and the problem of light path.The utility model provides a kind of Small Scale Adjustable projection arrangement based on secondary reflection.
The utility model specifically uses following technical scheme to achieve the goals above：
It is provided with light source mechanism on the right side of a kind of Small Scale Adjustable projection arrangement based on secondary reflection, including inner bottom
Projecting apparatus shell, projecting apparatus shell left or right side are provided with camera lens, two are vertically arranged in projecting apparatus shell inner left wall
Guide groove is provided with lifting support on guide groove, and lifting support passes through lifting gear and coordinates with guide groove, lifting support updip
The oblique reflective mirror a for being provided with adjustable angle, lifting support lower section constant tilt are provided with reflective mirror b.
Further, lifting support includes and both sides guide groove semicircle supporting rack correspondingly, semicircle supporting rack
Be provided with semicircle sliding slot at arc side, semicircle sliding slot inner ring is provided with semicircle rack, between the semicircle supporting rack of both sides on
Under be respectively arranged with connecting rod b and connecting rod a, reflective mirror a upper and lower ends are separately fixed on connecting rod b and connecting rod a, the both ends connecting rod a hinge
It is connected on semicircle supporting rack circle centre position, the connection of the one end connecting rod a adjusts engine for adjusting the rotation at the angles of inclination reflective mirror a
Structure, connecting rod b pass through both sides semicircle sliding slot, the both ends connecting rod b to be arranged with the gear with semicircle rack cooperation.
Further, lifting gear includes the setting lead screw inside guide groove vertically, is arranged on lead screw in guide groove
There are sliding block, sliding block to be connect with the semicircle supporting rack in lifting support by connecting rod, lead screw bottom end connects lift adjustment
Actuating unit.
Further, light source mechanism includes light source, is disposed with light guide, incident Fresnel on the left of light source from right to left
Lens, LCD liquid crystal displays and outgoing Fresnel Lenses.
The beneficial effects of the utility model are as follows：
1. descending branch frame can drive reflective mirror a to be lifted, real so as to adjust the distance between reflective mirror a and reflective mirror b
The adjustment to light path length is showed, to carry out the tune of projected image size and projection quality using the length of control light path
It is whole, while light path can be changed to adjust imaging angle, to eliminate as trapezoidal existing by adjusting the angle of inclination of reflective mirror a
As etc. imaging problems, and reflective mirror a and reflective mirror b are integrated into inside projecting apparatus, change the camera lens and light source of projector
Limitation in a level height substantially reduces the volume of entire reprojection's device, can be applied to different places
It neutralizes and creates more products for having market value.
2. utilizing lifting support, the height of reflective mirror a can be not only adjusted, but also can incline to reflective mirror a
Rake angle is adjusted, and is not only realized and is adjusted light path by adjusting the distance between reflective mirror a and reflective mirror b, to right
Projected image is adjusted, and realizes that the angle of inclination of reflective mirror a arbitrarily adjusts within the scope of 0 ° to 180 °, is adjusted to realize
Whole light path solves certain imaging problems caused by light path, while meeting the projection demand under different occasions.
3. lead screw sliding block elevating mechanism is simple in structure, function-stable, service life are long, and its displacement accuracy is high, can be with
Accurately projection imaging is adjusted.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial right side view at semicircle supporting rack in Fig. 1；
Fig. 3 is the structural schematic diagram of the utility model embodiment 5；
Reference numeral：1- projecting apparatus shells, 2- semicircle supporting racks, 3- semicircle sliding slots, 4- semicircle racks, 5- teeth
Wheel, 7- camera lenses, 8- light source mechanisms, 8.1- are emitted Fresnel Lenses, 8.2-LCD liquid crystal displays, 8.3- incidence Fresnel Lenses, 8.4-
Light source, 8.5- light guides, 9- lift adjustment actuating units, 10- reflective mirrors b, 11- reflective mirror a, 12- lifting gear, 12.1- are led
To slot, 12.2- connecting rods, 12.3- sliding blocks, 12.4- lead screws, 13- connecting rods b, 14- rotation adjusting actuating unit, 15- connecting rods a.
Specific implementation mode
In order to which those skilled in the art are better understood from the utility model, below in conjunction with the accompanying drawings with following embodiment to this
Utility model is described in further detail.
Embodiment 1
It is provided with light source mechanism 8 on the right side of a kind of Small Scale Adjustable projection arrangement based on secondary reflection, including inner bottom
Projecting apparatus shell 1,1 left or right side of projecting apparatus shell is provided with camera lens 7, is vertically arranged in 1 inner left wall of projecting apparatus shell
There are two guide grooves 12.1, lifting support is provided on guide groove 12.1, lifting support passes through lifting gear 12 and guide groove
12.1 coordinate, the inclined reflective mirror a11 for being provided with adjustable angle on lifting support, the setting of constant tilt below lifting support
There is reflective mirror b10.
Operation principle：Light source mechanism 8, reflective mirror b10, reflective mirror a11 and camera lens 7 are set gradually along light path, light source machine
Structure 8 launches light, and light carries out first reflection by reflective mirror b10, light is reflected into above light microscopic b10, reflective mirror
Reflective mirror a11 above b10 carries out the second secondary reflection to light again, and light is reflected on the right side of reflective mirror a11, light is made to pass through
Camera lens 7 is imaged, while can be adjusted with angle using lifting support adjustment the distance between reflective mirror a11 and reflective mirror b10
The light path and light path of whole light.
Descending branch frame can drive reflective mirror a to be lifted, and so as to adjust the distance between reflective mirror a and reflective mirror b, realize
Adjustment to light path length, to carry out the tune of projected image size and projection quality using the length of control light path
It is whole, while light path can be changed to adjust imaging angle, to eliminate as trapezoidal existing by adjusting the angle of inclination of reflective mirror a
As etc. imaging problems, and reflective mirror a and reflective mirror b are integrated into inside projecting apparatus, change the camera lens and light source of projector
Limitation in a level height substantially reduces the volume of entire reprojection's device, can be applied to different places
It neutralizes and creates more products for having market value.
Embodiment 2
The present embodiment is improved on the basis of embodiment 1：
Lifting support includes and the one-to-one semicircle supporting rack 2 of both sides guide groove 12.1 2 arc side of semicircle supporting rack
Place is provided with semicircle sliding slot 3, and 3 inner ring of semicircle sliding slot is provided with semicircle rack 4, between both sides semicircle supporting rack 2 on
Under be respectively arranged with connecting rod b13 and connecting rod a15, reflective mirror a upper and lower ends are separately fixed on connecting rod b13 and connecting rod a15, connecting rod
The both ends a15 are hinged on 2 circle centre position of semicircle supporting rack, and the one end connecting rod a15 connects the rotation for adjusting the angles of inclination reflective mirror a11
Modulation section actuating unit 14, connecting rod b13 pass through both sides semicircle sliding slot 3, and the both ends connecting rod b13 are arranged with matches with semicircle rack 4
The gear 5 of conjunction.
The above advantage of improving is：Using lifting support, the height of reflective mirror a can be not only adjusted, Er Qieke
It is adjusted with the angle of inclination to reflective mirror a, not only realizes and come by adjusting the distance between reflective mirror a and reflective mirror b
Light path is adjusted, to be adjusted to projected image, and realizes that the angle of inclination of reflective mirror a is arbitrary within the scope of 0 ° to 180 °
Adjustment, to realize adjustment light path, solves certain imaging problems caused by light path, while meeting the projection under different occasions
Demand.
Embodiment 3
The present embodiment is improved on the basis of above example：
Lifting gear 12 includes the setting lead screw 12.4 inside guide groove 12.1 vertically, and guide groove 12.1 is interior in lead screw
Sliding block 12.3 is arranged on 12.4, sliding block 12.3 is connect by connecting rod 12.2 with the semicircle supporting rack 2 in lifting support, silk
12.4 bottom end of bar connects lift adjustment actuating unit 9.
The above advantage of improving is：Lead screw sliding block elevating mechanism is simple in structure, function-stable, service life are long, and its
Displacement accuracy is high, can be accurately adjusted to projection imaging.
Embodiment 4
The present embodiment is improved on the basis of above example：
Light source mechanism 8 includes light source 8.4, and 8.4 left side of light source is disposed with light guide 8.5, incident luxuriant and rich with fragrance alunite from right to left
That lens 8.3, LCD liquid crystal displays 8.2 and outgoing Fresnel Lenses 8.1.
Embodiment 5
The present embodiment is improved on the basis of above example：
By the setting of camera lens 7 in 1 left side of projecting apparatus shell, then by adjusting the angle of inclination of reflective mirror a11, make reflective mirror
The inclined direction of a11 is identical as the inclined direction of reflective mirror b10, while setting the lower surface of reflective mirror a11 to minute surface, in this way
The light that light source mechanism 8 is sent out can be reflected into 1 left side of projecting apparatus shell, then projection imaging is carried out by the camera lens 7 in left side.
Camera lens is arranged on the left of projecting apparatus shell, makes its inclining with reflective mirror b by adjusting the angle of inclination of reflective mirror a
Tilted direction is identical, carries out projection imaging on the left of projection arrangement to realize, meets the projection demand of different directions.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by every specification and accompanying drawing content with the utility model
Structure change similarly should be included in the scope of protection of the utility model.
Claims (5)
1. being provided with light source mechanism (8) on the right side of a kind of Small Scale Adjustable projection arrangement based on secondary reflection, including inner bottom
Projecting apparatus shell (1), projecting apparatus shell (1) left or right side is provided with camera lens (7), it is characterised in that：Projecting apparatus shell (1)
It is vertically arranged with two guide grooves (12.1) in inner left wall, lifting support is provided on guide groove (12.1), lifting support is logical
It crosses lifting gear (12) with guide groove (12.1) to coordinate, the inclined reflective mirror a (11) for being provided with adjustable angle on lifting support,
Constant tilt is provided with reflective mirror b (10) below lifting support.
2. the Small Scale Adjustable projection arrangement according to claim 1 based on secondary reflection, it is characterised in that：Lifting support
Including with the one-to-one semicircle supporting rack (2) of both sides guide groove (12.1), be provided with half at semicircle supporting rack (2) arc side
Round sliding slot (3), semicircle sliding slot (3) inner ring are provided with semicircle rack (4), between both sides semicircle supporting rack (2) up and down
It is respectively arranged with connecting rod b (13) and connecting rod a (15), reflective mirror a (11) upper and lower ends are separately fixed at connecting rod b (13) and connecting rod a
(15) on, connecting rod a (15) both ends are hinged on semicircle supporting rack (2) circle centre position, and the connection of connecting rod a (15) one end is reflective for adjusting
The rotation at mirror a (11) angle of inclination adjusts actuating unit (14), and connecting rod b (13) passes through both sides semicircle sliding slot (3), connecting rod b
(13) both ends are arranged with the gear (5) coordinated with semicircle rack (4).
3. the Small Scale Adjustable projection arrangement according to claim 1 or 2 based on secondary reflection, it is characterised in that：Lifting
Device (12) includes setting vertically in the lead screw (12.4) of guide groove (12.1) inside, guide groove (12.1) in lead screw (12.4)
On be arranged with sliding block (12.3), sliding block (12.3) passes through connecting rod (12.2) with the semicircle supporting rack (2) in lifting support even
It connects, lead screw (12.4) bottom end connects lift adjustment actuating unit (9).
4. the Small Scale Adjustable projection arrangement according to claim 3 based on secondary reflection, it is characterised in that：Light source mechanism
(8) include light source (8.4), be disposed with light guide (8.5), incident Fresnel Lenses on the left of light source (8.4) from right to left
(8.3), LCD liquid crystal displays (8.2) and outgoing Fresnel Lenses (8.1).
5. the Small Scale Adjustable projection arrangement according to claim 1 based on secondary reflection, it is characterised in that：Camera lens (7)
Homonymy in (10) reflective mirror b is set, and the inclined direction of reflective mirror a (11) is as the direction of reflective mirror b (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092166.4U CN207799317U (en) | 2018-01-19 | 2018-01-19 | A kind of Small Scale Adjustable projection arrangement based on secondary reflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092166.4U CN207799317U (en) | 2018-01-19 | 2018-01-19 | A kind of Small Scale Adjustable projection arrangement based on secondary reflection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207799317U true CN207799317U (en) | 2018-08-31 |
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ID=63272763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820092166.4U Active CN207799317U (en) | 2018-01-19 | 2018-01-19 | A kind of Small Scale Adjustable projection arrangement based on secondary reflection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207799317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386698A (en) * | 2018-12-26 | 2019-02-26 | 泉州市新锐极光科技有限公司 | A kind of projector mobile base automatically adjusting screen size |
-
2018
- 2018-01-19 CN CN201820092166.4U patent/CN207799317U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386698A (en) * | 2018-12-26 | 2019-02-26 | 泉州市新锐极光科技有限公司 | A kind of projector mobile base automatically adjusting screen size |
| CN109386698B (en) * | 2018-12-26 | 2020-12-08 | 平潭汇鑫睿智投资合伙企业(有限合伙) | Projector moving base capable of automatically adjusting size of screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220817 Address after: 610000 building 2-1, Tianfu Haichuang Park, No. 619, Jicui Road, Xinglong Street, Tianfu new area, Chengdu, Sichuan Patentee after: Chengdu Jiutian Huaxin Technology Co., Ltd. Address before: 2nd Floor, Building 10, Area A, Tianfu Jingrong Center, Science City, Tianfu New District, Chengdu, China (Sichuan) Pilot Free Trade Zone, Chengdu City, Sichuan Province, 610000 Patentee before: LUXNPRO CHENGDU ELECTRONICS CO.,LTD. |
|
| TR01 | Transfer of patent right |