CN209055787U - The contactless magnetic control trapezoidal correction device of one chip LCD projector - Google Patents
The contactless magnetic control trapezoidal correction device of one chip LCD projector Download PDFInfo
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- CN209055787U CN209055787U CN201821625721.1U CN201821625721U CN209055787U CN 209055787 U CN209055787 U CN 209055787U CN 201821625721 U CN201821625721 U CN 201821625721U CN 209055787 U CN209055787 U CN 209055787U
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- luxuriant
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- fragrance mirror
- fragrance
- magnetic force
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Abstract
The utility model belongs to projector's technical field, discloses a kind of contactless magnetic control trapezoidal correction device of one chip LCD projector, including luxuriant and rich with fragrance mirror regulating device and luxuriant and rich with fragrance mirror assembly, luxuriant and rich with fragrance mirror regulating device is contactless with luxuriant and rich with fragrance mirror assembly and links by a magnet assembly.The utility model due to luxuriant and rich with fragrance mirror regulating device with luxuriant and rich with fragrance mirror assembly without contacting, therefore luxuriant and rich with fragrance mirror regulating device and luxuriant and rich with fragrance mirror assembly can be independently installed, connection gap is not present between luxuriant and rich with fragrance mirror regulating device and luxuriant and rich with fragrance mirror assembly, it avoids dust and enters in the body of LCD projector and be gathered on luxuriant and rich with fragrance mirror, influence the quality of image that LCD projector is launched.Luxuriant and rich with fragrance mirror regulating device and luxuriant and rich with fragrance mirror assembly are linked by the magneticaction of magnet assembly, by adjusting luxuriant and rich with fragrance mirror regulating device, to realize the front and rear tilt angle control of luxuriant and rich with fragrance mirror, realize the adjusting of trapezoidal correction.
Description
Technical field
The utility model belongs to projector's technical field, and in particular to a kind of contactless magnetic control ladder of one chip LCD projector
Shape apparatus for correcting.
Background technique
Projector is a kind of equipment that can be projected image or video on curtain, can be same by different interfaces
Computer, VCD, DVD, BD, game machine, DV etc. are connected, and play corresponding vision signal.Projector's technology is a kind of complexity
, including display energy converter, optics, electronics interdisciplinary technology, projector's since the advent of the world, just by people attention, quilt
Business presentations are widely used in, are handled official business, daily teaching, the fields such as amusement.LCD projector technology is transmittive projection technology, is mesh
Preceding projector's technology the most mature, light after session, are isolated RGB three primary colours light beam, are beaten after light source (light bulb) sending
Onto three pieces of liquid crystal boards, liquid crystal drive system is modulated Penetration ration of the three primary colours on liquid crystal board by picture signal, and the three of transmission
Coloured light combined color image.LCD projector projected picture is beautiful in colour, and image restoring is true, and color saturation is high.
Existing LCD projector in use, to enable LCD projector image projection to suitable height, often
It often needs to adjust to projection elevation angle, projected picture is it sometimes appear that trapezoidal distortion phenomenon, it is therefore desirable to keystone is done, so that
Trapezoidal picture recovery is upright, reduces distortion.In single chip liquid crystal projector, the adjusting of keystone is to adjust liquid crystal display and projection
The front and rear tilt angle of a piece of Fresnel Lenses between machine camera lens is realized.The ladder of the imaging system of existing Single-panel projection machine
Shape correction generallys use chain conveyer or belt transmission or gear drive to adjust trapezoidal eyeglass, these drive mechanisms are generally relatively more multiple
It is miscellaneous, volume is big, component is more, the contact area of trapezoidal eyeglass and transmission mechanism is bigger, and usually trapezoidal eyeglass is direct when installation
Strutting installs fixation on the shell, adjusts very inconvenient, while Fresnel Lenses is fully exposed in cabinet, use when
Between it is slightly long after, poly- upper dust is very easy on Fresnel Lenses, influences the quality of image that projector launches.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of one chip LCD throwing
The contactless magnetic control trapezoidal correction device of shadow machine carries out the adjusting of trapezoidal correction by magneticaction, easy to operate.
The technology employed by the present utility model is the contactless magnetic control trapezoidal correction device of one chip LCD projector, packet
Luxuriant and rich with fragrance mirror regulating device and luxuriant and rich with fragrance mirror assembly are included, the phenanthrene mirror regulating device is contactless with the luxuriant and rich with fragrance mirror assembly and passes through a magnet assembly
Linkage.
It is preferred that the magnet assembly includes the first magnetic force component and the second magnetic force component, the phenanthrene mirror is adjusted
Device is connect with the first magnetic force component, and the phenanthrene mirror assembly is connect with the second magnetic force component, the first magnetic force component and second
Magnetic force component is contactless and acts on linkage by magnetic.
It is preferred that the phenanthrene mirror assembly includes luxuriant and rich with fragrance mirror and luxuriant and rich with fragrance mirror support, the phenanthrene mirror setting is in the luxuriant and rich with fragrance mirror branch
On frame, the second magnetic force component is connect with the luxuriant and rich with fragrance mirror support.
It is preferred that the phenanthrene mirror support includes two supporting blocks, the phenanthrene mirror is arranged between two supporting blocks,
Luxuriant and rich with fragrance mirror both ends are equipped with fixed block, the fixed block and the supporting block and are rotatablely connected by shaft, the second magnetic force component
It is connect with fixed block.
It is preferred that the second magnetic force component includes the connection strap connecting with fixed block, the end of the connection strap
End is equipped with magnetic piece.
It is preferred that the phenanthrene mirror regulating device is correction thumb wheel.
It is preferred that the first magnetic force component includes the interlocking bar connecting with the correction thumb wheel, the linkage
The end of bar is equipped with magnet.
It is preferred that being equipped with gib block, the gib block between the first magnetic force component and the second magnetic force component
On offer the straight guide groove being adapted to the magnet, the interlocking bar and the magnet link.
The utility model has the following beneficial effects:
The luxuriant and rich with fragrance mirror regulating device and phenanthrene mirror assembly of the utility model are contactless and are linked by a magnet assembly, due to luxuriant and rich with fragrance mirror
Regulating device is not necessarily to contact with luxuriant and rich with fragrance mirror assembly, therefore luxuriant and rich with fragrance mirror regulating device and luxuriant and rich with fragrance mirror assembly can be independently installed, luxuriant and rich with fragrance mirror regulating device
Connection gap is not present between luxuriant and rich with fragrance mirror assembly, avoids dust and enters in the body of LCD projector and be gathered on luxuriant and rich with fragrance mirror, influences
The quality of image that LCD projector is launched.Luxuriant and rich with fragrance mirror regulating device and luxuriant and rich with fragrance mirror assembly are linked by the magneticaction of magnet assembly, are passed through
Adjust luxuriant and rich with fragrance mirror regulating device, luxuriant and rich with fragrance mirror assembly under magneticaction as luxuriant and rich with fragrance mirror regulating device is mobile, to realize the front and back of luxuriant and rich with fragrance mirror
Tilt angle control, realizes the adjusting of trapezoidal correction.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is the portion A enlarged drawing in Fig. 2.
In figure: 1- phenanthrene mirror regulating device；2- phenanthrene mirror assembly；3- the first magnetic force component；4- the second magnetic force component；5- phenanthrene mirror；
6- phenanthrene mirror support；7- supporting block；8- fixed block；9- shaft；10- connection strap；11- magnetic piece；12- corrects thumb wheel；13- linkage
Bar；14- magnet；15- gib block；16- is straight guide groove.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
As shown in Figure 1, a kind of contactless magnetic control trapezoidal correction device of one chip LCD projector of the present embodiment, including phenanthrene
Mirror regulating device 1 and luxuriant and rich with fragrance mirror assembly 2, the phenanthrene mirror regulating device 1 is contactless with the luxuriant and rich with fragrance mirror assembly 2 and passes through a magnet assembly
Linkage.Luxuriant and rich with fragrance mirror regulating device 1 is mounted on the body of LCD projector, and luxuriant and rich with fragrance mirror assembly 2 is mounted in the body of LCD projector, by
Yu Feijing regulating device 1 is not necessarily to contact with luxuriant and rich with fragrance mirror assembly 2, therefore luxuriant and rich with fragrance mirror regulating device 1 and luxuriant and rich with fragrance mirror assembly 2 can be independently installed, luxuriant and rich with fragrance
Connection gap is not present between mirror regulating device 1 and luxuriant and rich with fragrance mirror assembly 2, avoids dust and enters aggregation in the body of LCD projector
On luxuriant and rich with fragrance mirror, the quality of image that LCD projector is launched is influenced.
Since luxuriant and rich with fragrance mirror regulating device 1 is linked with luxuriant and rich with fragrance mirror assembly 2 by the magneticaction of magnet assembly, by adjusting luxuriant and rich with fragrance mirror tune
Regulating device 1, luxuriant and rich with fragrance mirror assembly 2 under magneticaction as luxuriant and rich with fragrance mirror regulating device 1 is mobile, to realize the front and rear tilt angle of luxuriant and rich with fragrance mirror
Control, realizes the adjusting of trapezoidal correction.
As shown in Fig. 2, in the present embodiment, the magnet assembly includes the first magnetic force component 3 and the second magnetic force component
4, the phenanthrene mirror regulating device 1 is connect with the first magnetic force component 3, and the phenanthrene mirror assembly 2 is connect with the second magnetic force component 4, described
First magnetic force component 3 and the second magnetic force component 4 it is contactless and pass through magnetic effect link.First magnetic force component 3 and the second magnetic force
Component 4 can both be permanent magnet 14, and the magneticaction of the first magnetic force component 3 and the second magnetic force component 4 is attracting；Or the
One magnetic force component 3 is permanent magnet 14, and the second magnetic force component 4 is iron plate, the magnetic force of the first magnetic force component 3 and the second magnetic force component 4
Effect is attracting；Or first magnetic force component 3 be iron plate, the second magnetic force component 4 is permanent magnet 14, the first magnetic force component 3 and
The magneticaction of two magnetic force components 4 is attracting.Luxuriant and rich with fragrance mirror regulating device 1 passes through the first magnetic force component 3 and the second magnetic with luxuriant and rich with fragrance mirror assembly 2
The magneticaction of power component 4 links, and realizes the adjusting of trapezoidal correction.
In the present embodiment, the luxuriant and rich with fragrance mirror assembly 2 includes luxuriant and rich with fragrance mirror 5 and luxuriant and rich with fragrance mirror support 6, and the phenanthrene mirror 5 is arranged described
On luxuriant and rich with fragrance mirror support 6, the second magnetic force component 4 is connect with the luxuriant and rich with fragrance mirror support 6.When adjusting luxuriant and rich with fragrance mirror regulating device 1, the first magnetic
Power component 3 is mobile with luxuriant and rich with fragrance mirror regulating device 1, moves the second magnetic force component 4, drives luxuriant and rich with fragrance mirror support 6 to deflect, to adjust
The front and rear tilt angle of luxuriant and rich with fragrance mirror 5 is saved, so that the trapezoidal picture recovery of LCD projector is upright.
As shown in Figure 3, it is preferable that the phenanthrene mirror support 6 includes two supporting blocks 7, and phenanthrene mirror 5 setting is supported at two
Between block 7, luxuriant and rich with fragrance 5 both ends of mirror are equipped with fixed block 8, and the fixed block 8 is rotatablely connected by shaft 9 and the supporting block 7, described
Second magnetic force component 4 is connect with fixed block 8.When second magnetic force component 4 is mobile, fixed block 8 relatively rotates with supporting block 7,
To make luxuriant and rich with fragrance mirror 5 deflect.
Further, the second magnetic force component 4 includes the connection strap 10 connecting with fixed block 8, the connection strap 10
End is equipped with magnetic piece 11.Connection strap 10 can be used high molecular material and be made, connection strap 10 end be arranged magnetic piece 11 or
Person's iron plate can reduce cost, and connection strap 10 is fixedly connected with fixed block 8, magnetic piece 11 or iron plate and 3 phase of the first magnetic force component
Interaction makes connection strap 10 deflect.
In the present embodiment, the luxuriant and rich with fragrance mirror regulating device 1 is correction thumb wheel 12.Correcting thumb wheel 12 can be to the degree of rotation
It realizes accurately control, keeps the adjusting of trapezoidal correction more accurate.
Preferably, the first magnetic force component 3 includes the interlocking bar 13 connecting with the correction thumb wheel 12, the interlocking bar
13 end is equipped with magnet 14.
Further, gib block 15, the gib block are equipped between the first magnetic force component 3 and the second magnetic force component 4
The straight guide groove 16 being adapted to the magnet 14 is offered on 15, the interlocking bar 13 links with the magnet 14.Interlocking bar
13 are fixedly connected with correction thumb wheel 12, and magnet 14 offers the circular hole being adapted to interlocking bar 13, and interlocking bar 13 is inserted in magnet 14
In circular hole and with circular hole movable contact.When correcting 12 reciprocating rotation of thumb wheel, interlocking bar 13 drives magnet 14 flat with rotation
Reciprocal flat motion is done in straight guide groove 16, the second magnetic force component 4 moves reciprocatingly under the action of magnet 14, to make luxuriant and rich with fragrance mirror
5 occur reciprocal deflection, so that trapezoidal picture recovery is upright, reduce distortion.The utility model it is compact-sized, LCD can be thrown
The projected image of shadow machine carries out keystone, simple to operate.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (7)
1. the contactless magnetic control trapezoidal correction device of one chip LCD projector, including luxuriant and rich with fragrance mirror regulating device (1) and luxuriant and rich with fragrance mirror assembly (2),
It is characterized by: the phenanthrene mirror regulating device (1) is contactless with the luxuriant and rich with fragrance mirror assembly (2) and is linked by a magnet assembly；Institute
It states magnet assembly and includes the first magnetic force component (3) and the second magnetic force component (4), the phenanthrene mirror regulating device (1) and the first magnetic force
Component (3) connection, the phenanthrene mirror assembly (2) connect with the second magnetic force component (4), the first magnetic force component (3) and the second magnetic
Power component (4) is contactless and acts on linkage by magnetic.
2. the contactless magnetic control trapezoidal correction device of one chip LCD projector according to claim 1, it is characterised in that: institute
Stating luxuriant and rich with fragrance mirror assembly (2) includes luxuriant and rich with fragrance mirror (5) and luxuriant and rich with fragrance mirror support (6), and the phenanthrene mirror (5) is arranged on the luxuriant and rich with fragrance mirror support (6), described
Second magnetic force component (4) is connect with the luxuriant and rich with fragrance mirror support (6).
3. the contactless magnetic control trapezoidal correction device of one chip LCD projector according to claim 2, it is characterised in that: institute
Stating luxuriant and rich with fragrance mirror support (6) includes two supporting blocks (7), and the phenanthrene mirror (5) is arranged between two supporting blocks (7), luxuriant and rich with fragrance mirror (5) both ends
It is equipped with fixed block (8), the fixed block (8) is rotatablely connected by shaft (9) and the supporting block (7), second magnetic force
Component (4) is connect with fixed block (8).
4. the contactless magnetic control trapezoidal correction device of one chip LCD projector according to claim 3, it is characterised in that: institute
Stating the second magnetic force component (4) includes the connection strap (10) connecting with fixed block (8), and the end of the connection strap (10) is equipped with magnetism
Piece (11).
5. the contactless magnetic control trapezoidal correction device of one chip LCD projector according to claim 1, it is characterised in that: institute
Luxuriant and rich with fragrance mirror regulating device (1) is stated as correction thumb wheel (12).
6. the contactless magnetic control trapezoidal correction device of one chip LCD projector according to claim 5, it is characterised in that: institute
Stating the first magnetic force component (3) includes the interlocking bar (13) connecting with correction thumb wheel (12), the end of the interlocking bar (13)
Equipped with magnet (14).
7. the contactless magnetic control trapezoidal correction device of one chip LCD projector according to claim 6, it is characterised in that: institute
State and be equipped with gib block (15) between the first magnetic force component (3) and the second magnetic force component (4), offer on the gib block (15) with
The straight guide groove (16) of magnet (14) adaptation, the interlocking bar (13) and the magnet (14) are linked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625721.1U CN209055787U (en) | 2018-09-30 | 2018-09-30 | The contactless magnetic control trapezoidal correction device of one chip LCD projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625721.1U CN209055787U (en) | 2018-09-30 | 2018-09-30 | The contactless magnetic control trapezoidal correction device of one chip LCD projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209055787U true CN209055787U (en) | 2019-07-02 |
Family
ID=67050137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821625721.1U Active CN209055787U (en) | 2018-09-30 | 2018-09-30 | The contactless magnetic control trapezoidal correction device of one chip LCD projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209055787U (en) |
-
2018
- 2018-09-30 CN CN201821625721.1U patent/CN209055787U/en active Active
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