阅读说明：本技术 高清晰自动对焦微型dlp投影仪 (High-definition automatic focusing micro DLP projector ) 是由 王环龙 孙明芳 仇仁刚 于 2021-07-29 设计创作，主要内容包括：本发明公开了高清晰自动对焦微型DLP投影仪,包括：投影仪主体；红外测距探头,所述红外测距探头安装在投影仪主体的外侧,所述红外测距探头位于投影仪主体的镜头一侧；保护机构,所述保护机构安装在投影仪主体的外侧,所述保护机构包裹着投影仪主体,所述保护机构可折叠并对投影仪主体底部支撑,本发明的投影仪可以将保护机构折叠后携带,在不经意间碰撞、挤压投影仪时,投影仪的震动力被吸收,减小对投影仪的影响,不容易导致液晶片的移位,减小投影仪内部电子或光学元器件损坏的可能性,方便投影仪的正常使用。(The invention discloses a high-definition automatic focusing micro DLP projector, comprising: a projector main body; the infrared distance measuring probe is arranged on the outer side of the projector main body and is positioned on one side of the lens of the projector main body; the projector can be folded and carried, and when the projector is collided or extruded accidentally, the vibration force of the projector is absorbed, so that the influence on the projector is reduced, the displacement of the liquid crystal sheet is not easy to cause, the possibility of damaging electronic or optical elements in the projector is reduced, and the normal use of the projector is facilitated.)

1. Miniature DLP projecting apparatus of high definition auto focus, its characterized in that: the method comprises the following steps:

a projector main body (1);

the infrared distance measuring probe (2) is installed on the outer side of the projector main body (1), and the infrared distance measuring probe (2) is located on one side of a lens (12) of the projector main body (1);

the protection mechanism (3), the outside at projector main part (1) is installed in protection mechanism (3), projector main part (1) is being wrapped up in protection mechanism (3), protection mechanism (3) are collapsible and to projector main part (1) bottom sprag.

2. The high definition autofocus micro DLP projector as claimed in claim 1, wherein: protection machanism (3) are including installing frame (4) in the projecting apparatus main part (1) outside, be equipped with a plurality of bumper shock absorbers (5) that support the projecting apparatus main part (1) outside between frame (4) and projecting apparatus main part (1), the corner in the projecting apparatus main part (1) outside is installed in bumper shock absorbers (5).

3. The high definition autofocus miniature DLP projector as set forth in claim 2, wherein: the shock-absorbing piece (5) comprises a shock-absorbing plate (51) attached to the shell of the projector main body (1), a spring (52) is arranged between the shock-absorbing plate (51) and the frame (4), and two ends of the spring (52) are fixedly connected with the shock-absorbing plate (51) and the frame (4) respectively.

4. The high definition autofocus micro DLP projector as claimed in claim 1, wherein: the outside of frame (4) is equipped with folded piece (6), the outside of projector main part (1) camera lens (12) is wrapped up in folded piece (6), can support projector main part (1) after folded piece (6).

5. The high definition auto focus micro DLP projector as claimed in claim 4, wherein: the folding piece (6) comprises two folding plates (61) arranged on two sides of the frame (4), covering plates (62) are arranged on the outer sides of the two folding plates (61), and limiting blocks (63) capable of being inserted into each other are arranged on opposite surfaces of the two covering plates (62).

6. The high definition auto focus micro DLP projector as claimed in claim 4, wherein: the frame (4) is provided with two auxiliary plates (7) at two sides of the folding piece (6), the two auxiliary plates (7) are respectively rotatably connected with the frame (4), two hooks (9) which are mutually buckled are arranged on opposite surfaces of the two auxiliary plates (7), the two hooks (9) are respectively connected with the two auxiliary plates (7) through elastic belts (10), and rubber pads (13) capable of extruding the outer side of the folding piece (6) after the auxiliary plates (7) are turned are arranged on the outer sides of the two auxiliary plates (7).

7. The high definition auto focus micro DLP projector as claimed in claim 5, wherein: two the opposite face of folded sheet (61) all is equipped with sponge board (11) that can be to projecting apparatus main part (1) camera lens (12) or wiring department butt, two sponge board (11) respectively with folded sheet (61) fixed connection that corresponds.

Technical Field

The invention relates to the technical field of projectors, in particular to a high-definition automatic focusing micro DLP projector.

Background

The projector, also known as the projector, is a kind of apparatus that can project the picture or video on the curtain, can connect with computer, VCD, DVD, BD, game machine, DV, etc. through different interfaces and broadcast the corresponding video signal, the projector is used in family, office, school and entertainment place extensively, according to the working method is different, there are different types such as CRT, LCD, DLP, etc., wherein DLP projector is also known as the digital light processing projector, realize a kind of projection technology which projects the picture through regulating the reflected light, it is very different from liquid crystal projector, its imaging is realized through the reflection light of thousands of tiny lens.

When the micro DLP projector is used, frequent movement is needed, a user may need to carry the projector with him, but when the projector is carried and moved, the projector is collided and extruded carelessly, the influence on the projector is serious, the strong collision can cause the displacement of a liquid crystal sheet, so that color deviation is caused, the damage of electronic or optical components inside the projector is serious and even caused, and the normal use of the projector is inconvenient.

Disclosure of Invention

The present invention is directed to a high-definition auto-focusing micro DLP projector to solve the above-mentioned problems.

In order to achieve the purpose, the invention provides the following technical scheme: miniature DLP projecting apparatus of high definition auto focus includes:

a projector main body;

the infrared distance measuring probe is arranged on the outer side of the projector main body and is positioned on one side of the lens of the projector main body;

the protection mechanism is arranged on the outer side of the projector main body, wraps the projector main body and is foldable and supports the bottom of the projector main body.

Preferably, the protection mechanism includes a frame installed outside the projector main body, a plurality of shock absorbing members supporting the outside of the projector main body are provided between the frame and the projector main body, and the shock absorbing members are installed at corners of the outside of the projector main body.

Preferably, the shock-absorbing member includes the shock-absorbing plate of laminating at projecting apparatus main part shell, be equipped with the spring between shock-absorbing plate and the frame, the both ends of spring respectively with shock-absorbing plate and frame fixed connection.

Preferably, the outside of frame is equipped with the folded piece, the outside of folded piece parcel projecting apparatus main part camera lens, can support the projecting apparatus main part after the folded piece is folding.

Preferably, the folding member includes two folding plates installed at both sides of the frame, covering plates are respectively disposed at outer sides of the two folding plates, and limiting blocks capable of being inserted into each other are respectively disposed at opposite surfaces of the two covering plates.

Preferably, the frame is provided with two auxiliary plates at two sides of the folding piece, the two auxiliary plates are respectively rotatably connected with the frame, two hooks which are mutually buckled are arranged on opposite surfaces of the two auxiliary plates, the two hooks are respectively connected with the two auxiliary plates through elastic belts, and rubber pads which can extrude the outer side of the folding piece after the auxiliary plates are turned over are arranged on the outer sides of the two auxiliary plates.

Preferably, two the opposite face of folded sheet all is equipped with the sponge board that can be to projecting apparatus main part camera lens or wiring department butt, two the sponge board respectively with the folded sheet fixed connection who corresponds.

The invention has at least the following beneficial effects:

the projector main body is wrapped by the protection mechanism, the external shock is absorbed by the protection mechanism when the projector main body moves or is carried, in addition, the protection mechanism can also be folded into a support frame of the projector main body, compared with the prior art, the projector is accidentally collided and extruded when the projector main body is carried and moved, the projector has serious influence on the projector, the strong collision can cause the displacement of the liquid crystal sheet, thereby causing color deviation, serious even causing the damage of electronic or optical components in the projector, and inconvenient normal use of the projector, the projector of the invention can fold the protection mechanism to be carried, when collision, extrusion projecting apparatus between accident, the shaking force of projecting apparatus is absorbed, reduces the influence to the projecting apparatus, is difficult to lead to the aversion of liquid crystal sheet, reduces the inside electron of projecting apparatus or the possibility of optical element device damage, makes things convenient for the normal use of projecting apparatus.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial block diagram of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is an enlarged view of area B of FIG. 4;

FIG. 6 is a partial cross-sectional view from another perspective of the present invention;

fig. 7 is an enlarged view of the region C in fig. 6.

In the figure: 1-a projector main body; 2-infrared distance measuring probe; 3-a protection mechanism; 4-a frame; 5-a shock-absorbing member; 51-a damper plate; 52-a spring; 6-folding piece; 61-folding plate; 62-a cover plate; 63-a limiting block; 631-a connecting part; 632-a limiting part; 64-a limit groove; 7-an auxiliary plate; 8-a rotating shaft; 9-hanging hooks; 91-an elastic part; 92-a snap-fit portion; 93-antiskid lines; 10-an elastic band; 11-a sponge plate; 12-a lens; 13-rubber pad; 14-bevel one; 15-bevel II; 16-voids.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: miniature DLP projecting apparatus of high definition auto focus includes:

a projector main body 1;

the infrared distance measuring device comprises an infrared distance measuring probe 2, wherein the infrared distance measuring probe 2 is installed on the outer side of a projector main body 1, the infrared distance measuring probe 2 is located on one side of a lens 12 of the projector main body 1, after the lens 12 of the projector main body 1 is aligned to a position to be projected, infrared light is emitted through the infrared distance measuring probe 2, the distance between the lens 12 and the projection position is further detected, the focus of the lens 12 is adjusted through a servo motor in the projector, and therefore automatic focusing is achieved, and the use of a user is facilitated;

protection mechanism 3, protection mechanism 3 installs in the outside of projecting apparatus main part 1, protection mechanism 3 is wrapping up projecting apparatus main part 1, protection mechanism 3 is collapsible and to 1 bottom sprag of projecting apparatus main part, when the user need carry or remove projecting apparatus main part 1, projecting apparatus main part 1 is receiving external shock after, 3 omnidirectional of protection mechanism will shake and absorb, and then reduce the vibrations of 1 inside electronic components of projecting apparatus main part or optical components, and then protection projecting apparatus main part 1, make things convenient for projecting apparatus main part 1 to put into normal work, be equipped with the space 16 that is used for the heat dissipation and provides the shock attenuation space between protection mechanism 3 and the projecting apparatus main part 1, make things convenient for the heat dissipation of projecting apparatus main part 1 and protection mechanism 3's use more through space 16.

Protection machanism 3 is including installing frame 4 in the 1 outside of projecting apparatus main part, be equipped with a plurality of shock attenuation pieces 5 that support the 1 outside of projecting apparatus main part between frame 4 and the projecting apparatus main part 1, shock attenuation piece 5 is connected projecting apparatus main part 1 and frame 4 respectively, and then the convenient vibrations power that receives frame 4 absorbs, shock attenuation piece 5 is installed in the corner in the 1 outside of projecting apparatus main part, and the shock attenuation piece 5 through installing at the corner position makes things convenient for the omnidirectional to absorb the vibrations that the projecting apparatus received, and in addition, the shock attenuation piece 5 of placing in the corner can reduce the material cost of shock attenuation piece 5, plays better shock attenuation effect with less shock attenuation piece 5.

The damping piece 5 is including the laminating at the damping plate 51 of projecting apparatus main part 1 shell, and damping plate 51 and projecting apparatus main part 1 contact, and damping plate 51 is the rubber slab, and has great frictional force between projecting apparatus main part 1, and not through can rely on spring 52 to absorb vibrations, but also can be through the elasticity absorption part vibration power of damping plate 51 self, and then make things convenient for the use of damping piece 5 more, be equipped with spring 52 between damping plate 51 and the frame 4, spring 52's both ends respectively with damping plate 51 and frame 4 fixed connection, when projecting apparatus main part 1 receives vibrations, damping plate 51 removes relative spring 52, and spring 52 is tensile or extension to the convenient absorption to the vibration power.

One side surface of the damping plate 51 is a first inclined surface 14, the inner wall of the frame 4 is provided with a second inclined surface 15, and the spring 52 is arranged between the first inclined surface 14 and the second inclined surface 15, so that the installation of the spring 52 is more convenient.

The outside of frame 4 is equipped with folded piece 6, the outside of 1 camera lens 12 of 6 parcel projecting apparatus main parts of folded piece, can support projecting apparatus main part 1 after 6 folding back of folded piece, the outside at frame 4 is installed to folded piece 6, folded piece 6 is with the outside protection of projecting apparatus main part 1 before folding, reduce dust and steam in the air to projecting apparatus main part 1's influence, and can also reduce the direct possibility of striking to projecting apparatus main part 1 shell of foreign object, to the better protection of projecting apparatus main part 1, furthermore, after 6 folding back of folded piece, folded piece 6 has great holding power to projecting apparatus main part 1, make things convenient for projecting apparatus main part 1 to be adjusted to suitable angle on the one hand, on the other hand holding power is comparatively stable, make things convenient for the stable work of projecting apparatus main part 1.

The folding pieces 6 comprise two folding plates 61 arranged at two sides of the frame 4, the two folding plates 61 are rotatably connected with the bottom of the frame 4, covering plates 62 are arranged at the outer sides of the two folding plates 61, the covering plates 62 are rotatably connected with the folding plates 61 through rotating shafts 8, the covering plates 62 can rotate on the folding plates 61, mutually-inserted limiting blocks 63 are arranged on the opposite surfaces of the two covering plates 62, limiting grooves 64 are formed in the two covering plates 62, the limiting blocks 63 on the two covering plates 62 can be correspondingly inserted into the limiting groove 64 of the other covering plate 62, so that the two folding pieces 6 can be directly fixed when the folding pieces 6 do not need to be unfolded, the folding pieces 6 are convenient to open and close, the limiting blocks 63 are rubber blocks, the rubber blocks are more convenient to be locked with the limiting grooves 64 after being inserted into the limiting grooves 64, the limiting blocks 63 are fixedly connected with the covering plates 62, when the folding pieces 6 are needed to support the projector main body 1, only need to rotate overlay 62 and folded sheet 61, the rotational position interference fit between overlay 62 and the folded sheet 61, overlay 62 and folded sheet 61 can rotate, but the rotation resistance is great, rotate folded sheet 61 relative to frame 4 again, folded sheet 61 and the same interference fit of frame 4, fold overlay 62 to the desktop, rotate folded sheet 61 and overlay 62 again and folded sheet 61 and frame 4, can adjust to suitable support angle, projector main body 1 can be according to the projection of suitable angle, be favorable to the projection of projector main body 1.

The limiting block 63 includes a connecting portion 631 connected to the covering plate 62, the connecting portion 631 is fixedly connected to the covering plate 62, the connecting portion 631 is conveniently connected to the covering plate 62, a limiting portion 632 connected to the connecting portion 631 is arranged on the outer side of the connecting portion 631, the limiting portion 632 and the connecting portion 631 form a T shape, and connection between the two covering plates 62 is facilitated.

The frame 4 is provided with two auxiliary plates 7 at two sides of the folding piece 6, the two auxiliary plates 7 are respectively rotatably connected with the side surfaces of the frame 4 through a rotating shaft 8, the two auxiliary plates 7 can be rotated to the bottom surface of the frame 4, the two auxiliary plates 7 are respectively rotatably connected with the frame 4, two hooks 9 which are mutually buckled are arranged on opposite surfaces of the two auxiliary plates 7, the two hooks 9 are respectively connected with the two auxiliary plates 7 through elastic belts 10, one end of each elastic belt 10 is fixedly connected with the auxiliary plates 7, each elastic belt 10 is a rubber belt, the other end of each elastic belt 10 is fixedly connected with the hook 9, after the folding piece 6 is used, the folding piece 6 is folded to the top of the frame 4, the auxiliary plates 7 at two sides are rotated, the hooks 9 between the auxiliary plates 7 at two sides are mutually buckled together, at the moment, the elastic force of the elastic belts 10 is jointed on the top of the folding piece 6, and the folding piece 6 is fixed stably, rubber pads 13 capable of extruding the outer sides of the folded pieces 6 after the auxiliary plates 7 are turned are arranged on the outer sides of the two auxiliary plates 7, after the auxiliary plates 7 rotate to the side faces of the frame 4, the rubber pads 13 obtained on the auxiliary plates 7 can be attached to the side faces of the adjusted folded pieces 6, the two hooks 9 at the end portions of the elastic belts 10 are buckled with each other, and the rubber pads 13 and the side faces of the folded pieces 6 are prevented from rotating by static friction force, so that the folded pieces 6 are more stable after adjustment.

Couple 9 is equipped with buckling parts 92 including installing the elastic component 91 in elastic webbing 10 one side, the tip of elastic component 91, and the both sides of buckling parts 92 are hollow, and relative lock is comparatively inseparable between two buckling parts 92, and anti-skidding line 93 has all been carved with to the opposite face of two buckling parts 92, and frictional force between two buckling parts 92 of anti-skidding line 93 increase makes things convenient for the lock of two buckling parts 92.

Two the opposite face of folded sheet 61 all is equipped with the sponge board 11 that can locate the butt to 1 camera lens 12 of projecting apparatus main part or wiring, two sponge board 11 respectively with the folded sheet 61 fixed connection that corresponds, in the both sides of the camera lens 12 of projecting apparatus main part 1 and wiring, use sponge board 11 pad respectively between projecting apparatus main part 1 and folded sheet 61, and then to the protection of camera lens 12 and wiring end position department, omnidirectional protection projecting apparatus main part 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.