CN211702217U

CN211702217U - Projector

Info

Publication number: CN211702217U
Application number: CN202020127459.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Chengdu Idealsee Technology Co Ltd
Current assignee: Chengdu Idealsee Technology Co Ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-10-16
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a projector for improve the audio among the projection process. The projector comprises a projection host and at least one sound box, wherein an optical display module is arranged in the projection host and used for projecting and emitting image light corresponding to an image to be displayed; the sound box is detachably combined with the left end part and the right end part of the projection host and is used for playing sound information corresponding to the image to be displayed; when the loudspeaker boxes are multiple, all the loudspeaker boxes can be combined with each other and can be detached from each other.

Description

Projector

Technical Field

The utility model relates to a projection technology field especially relates to a projector.

Background

A projector (also called a projector) is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a game machine, etc. through different interfaces to play corresponding video signals, and is widely used in homes, offices, schools, and entertainment venues.

At present, with the expansion of application scenes of projectors, more and more projectors are configured with corresponding sound box systems. However, most of the speakers are installed in the main body of the projector, and in different application scenarios, a good sound effect may not be achieved, and the volume of the main projection machine is also large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a projector for solve current projector and imitate the relatively poor technical problem of effect at projection in-process sound.

In order to achieve the above object, the present invention provides a projector, which includes a projection host and at least one speaker, wherein an optical display module is disposed in the projection host for projecting and emitting image light corresponding to an image to be displayed;

the sound box is detachably combined at the end part of the projection host and is used for playing sound information corresponding to the image to be displayed;

when the loudspeaker boxes are multiple, all the loudspeaker boxes can be combined with each other and can be detached from each other.

Optionally, the projection host is shaped like a bar.

Optionally, the projection host and the sound box have triangular or trapezoidal cross sections, and when the sound box is combined with the projection host, the cross sections of the projection host and the sound box coincide.

Optionally, the cross sections of the projection host and the sound box are rounded triangle cross sections.

Optionally, the two ends of the projection host and the sound boxes, and the plurality of sound boxes are combined with each other by magnetic attraction devices.

Optionally, the optical display module is a laser display module, an LED display module, or an LCD display module.

Optionally, a part of the body housing of the projection host, which is used for projecting the image light, is made of a semi-transparent material or a fully transparent material.

Optionally, a display unit is further disposed on the body housing, and is configured to display an operation interface related to the function of the projector.

Optionally, the projection host and the sound box are both provided with a wireless communication module.

Optionally, the projector is further provided with a remote controller.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

in the embodiment of the present invention, the projector includes a projection host and at least one speaker, and an optical display module is disposed in the projection host for projecting and emitting image light corresponding to an image to be displayed; the sound box is detachably combined at the end part of the projection host and used for outputting sound information corresponding to the image to be displayed; when the audio amplifier is a plurality of, but between each audio amplifier mutually combined and dismantlement, so at the projection in-process, through combination or the dispersion between to projection host computer and the audio amplifier, and to the mutually combined or the dismantlement between audio amplifier and the audio amplifier, conveniently adjust the locating place of audio amplifier, direction or angle etc. according to actual conditions in the scene to different applications, make the sound information of projecting apparatus output in projection process can send the user better to, the flexibility of the operation to the audio amplifier has been improved, the audio in the projection process has also been strengthened.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive exercise according to the drawings:

fig. 1-2 are schematic structural views of a projector according to an embodiment of the present invention;

fig. 3A-3C are schematic structural views of a magnetic attraction device in an embodiment of the present invention;

fig. 4A-4B are schematic diagrams illustrating a projection mode of a projector according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An embodiment of the utility model provides a projector for improve the audio frequency effect of projector in the projection display process.

Referring to fig. 1 and fig. 2, a schematic view of a structure of a projector according to an embodiment of the present invention is shown, in which a shape of a projection host is a strip with a triangular cross section is taken as an example, and an arrow direction in the drawing is an image light projection direction. In the embodiment of the present invention, the projector includes a projection host 10 and at least one speaker 20, and an optical display module is disposed in the projection host 10 and used for projecting and emitting image light corresponding to an image to be displayed; the sound box 20 is detachably combined with the end part of the projection host and is used for outputting sound information corresponding to the image to be displayed; when the sound boxes 20 are multiple, the sound boxes 20 can be combined with each other and detached from each other, so that the projection host 10 and the sound box 20 in the projector, or the sound box 20 and the sound box 20 can be combined or separated according to actual application scenes, the flexibility is high, and the applicability to application scenes is improved.

It should be noted that fig. 1 and fig. 2 are only schematic diagrams, and the projection host 10 may be configured with one or more sound boxes 20, and the projection host 10 is configured with 4 sound boxes 20 as an example in the drawings. Can dispose the quantity of audio amplifier 20 in the projecting apparatus according to the demand in practical application, the embodiment of the utility model provides a do not do specific restriction to this, as long as between audio amplifier 20 and the projection host computer 10 to and can make up wantonly or the split between audio amplifier 20 and the audio amplifier 20 can. The projection host 10 may further include a processor (including an image processing unit), a circuit, and the like, in addition to the optical display module (the optical display module may include optical elements such as a scanner and a mirror), which are not shown in the figure.

In the embodiment of the present invention, the projection host 10 can be configured with one or more sound boxes 20, the sound boxes 20 and the projection host 10 can be combined into a whole or separated from each other, and the sound boxes 20 can be combined with each other or independent from each other. The projection host 10 and the sound box 20 are both provided with wireless communication modules for establishing wireless communication connection therebetween, so that sound information corresponding to an image to be displayed can be output through the sound box 20, and a stereo sound effect in a projection display process can be realized.

In practical application scenarios, the sound boxes 20 may be located at the end of the projection host 10, for example, at one end of the projection host 10, or may be uniformly or non-uniformly distributed at the left and right ends of the projection host 10. When two or more sound boxes 20 are placed at one end of the projection host 10, at least two sound boxes 20 may be combined with each other or detached (i.e., exist independently), and the detached sound box 20 may adjust its position, orientation, etc. according to the actual needs of the user. It can be understood that when the distance between the projection main unit 10 and the sound box 20 is relatively pulled, a sufficient "sound cavity" is also left for the speaker of the sound box 20, so that the sound effect of the projector can be fundamentally ensured, and the flexibility is enhanced.

For example, when the projection host 10 is configured with 2 sound boxes 20, 2 sound boxes 20 respectively located at two ends of the projection host 10 may form a 2.1 surround system; or, when the projection host 10 is configured with 4 sound boxes 20, then 2 sound boxes 20 may be placed at two ends of the projection host 10, while another 2 sound boxes 20 are respectively placed at the left rear side and the right rear side of the user, and the listener is enclosed in the middle, that is, the sound boxes 20 may form 4 sound producing points with respect to the listener: the front left and the front right, the back left and the back right can realize a 4.1 surround system, and have better stereo effect.

Of course, in practical applications, the sound box 20 may also be independent of the projection host 10, for example, at the non-projection time, and may also be used as an independent sound unit (e.g., bluetooth sound).

The projection host 10 is in a strip shape, such as a strip with a rectangular cross section, a triangular cross section, or a waist-trapezoidal cross section, and the bottom surface thereof is a plane, which is helpful for improving the stability when the projection host is placed on a plane (such as the ground or a cabinet surface).

The embodiment of the present invention provides an in, still can arrange the inside subassembly of projection host computer 10 according to actual conditions, like optical display module assembly (including optical elements such as scanner, mirror group), treater and no communication module etc. adjust the whole focus of projection host computer 10, for example can adjust the intermediate position of projection host computer 10 with the focus position.

The optical Display module in the projection host 10 may be a laser Display module, a Light Emitting Diode (LED) Display module, or a Liquid Crystal Display (LCD) Display module, i.e., the projector may be a laser projector or a common projector. The laser display module can be a display module realized based on an MEMS scanner or an optical fiber scanner. The projection mode of the projector includes a long-focus projection and a short-focus projection. When laser projection is used, short-focus projection is preferably used to shorten the distance between the projector and the projection screen.

The housing of the projection host 10 may be divided into a body housing and an end housing. A part of the body housing for projecting image light is made of a semi-transparent or fully-transparent material, such as a glass material, a resin material, or the like; meanwhile, referring to fig. 2, a display unit 40, such as a liquid crystal display screen, a touch display screen, etc., is further disposed on the body housing and may be used to display an operation interface related to the functions of the projector. The operation interface can comprise a plurality of interaction options, such as network connection, brightness, projection progress and the like.

In practical applications, the main body housing may include a front housing and a rear housing, and the front housing are spliced together to form an accommodating cavity of the main projection unit 10, so as to accommodate and protect the built-in functional components of the main projection unit 10. Then, the rear housing may be made of a semi-transparent or fully transparent material, wholly or partially (i.e. the portion corresponding to the exit of the image light), so as to serve as an exit surface for transmitting the image light in the projection host 10; meanwhile, a display screen and the like can be arranged on the front shell, and the front shell can be made of opaque materials, such as opaque plastics or alloy materials. Of course, corresponding functional components can be disposed in the projector or the sound box 20 according to actual requirements, and the present invention is not particularly limited to this.

The end housing of the projection host 10 can be treated as an end protection cover, and the end protection cover can be provided with a connecting component, such as a snap structure (e.g. a direct snap or a rotary snap at the edge of the end), a magnetic device 30 (see fig. 2), an adhesive component or a socket connection, etc. Meanwhile, the end surface of the sound box 20 is also provided with a fastening structure or a magnetic attraction device 30 and the like corresponding to the end of the projection host 10, so that the two ends of the projection host 10 and the sound box 20, and the sound boxes 20 can be connected with each other through the fastening structure or the magnetic attraction device 30.

In the embodiment of the present invention, the sectional shapes of the projection host 10 and the sound box 20 may be the same, for example, the sectional shapes are triangular or trapezoidal (such as isosceles trapezoid or non-isosceles trapezoid), when the sound box 20 is combined with the projection host 10, the two sectional shapes may coincide, i.e. form a whole (please still refer to fig. 1). Preferably, the sections of the projection host 10 and the sound box 20 are rounded triangle sections or rounded trapezoid sections, so that the fluency of the body of the projection host 10 is enhanced.

Fig. 3A is a schematic structural diagram of a magnetic attraction device 30 used on an end surface of the projection host 10 or the sound box 20, and fig. 3B is a cross-sectional view of fig. 3A. In the drawing, the end surface of the projection host 10 or the sound box 20 is concave and provided with the magnetic attraction device 30 in a rounded triangle shape, the edge 31 of the end surface is convex, and the magnetic attraction device 30 is flush with the edge 31 of the end surface. Of course, the magnetic attraction device 30 can also be disposed at other positions, such as a plurality of positions disposed on the end surface, directly disposed along the edge, and so on; the magnetic attraction device 30 is provided with a magnet and other components with attraction force, and the shape of the magnetic attraction device 30 can be the same as the cross-sectional shape of the projection host 10 or any other shape, which is not limited by the present invention.

Fig. 3C is a schematic diagram of the end surface of the projection host 10 and the end surface of the sound box 20 being combined through the magnetic attraction device 30. As can be seen, the joined end faces may completely coincide. Of course, the overlapping condition between the sound box 20 and the end surface of the sound box 20 by the magnetic attraction device 30 is the same, and the description thereof is omitted here.

The embodiment of the utility model provides an in, the projecting apparatus can also be configured with the remote controller, like infrared remote controller or bluetooth remote controller etc. the user can control the relevant function of projecting apparatus through the remote controller, if start the projecting apparatus, input is selecting, fast forward or back and forth etc.. Or, the user also can directly control the projecting apparatus through modes such as speech control or remote control, the embodiment of the utility model provides a do not do specific restriction to this.

Further, in order to improve the projection effect, the projector may further be configured with a corresponding projection screen, such as a projection screen, and the image light emitted from the projector may be transmitted or reflected by the projection screen to the eyes of the viewer, so that the user can view the image displayed by projection.

In the embodiment of the present invention, the projector may adopt a front projection, a rear projection, an oblique projection, a hanging projection or a desk-top projection. In the front projection, that is, the installation position of the projector and the audience are on the same side of the screen, light emitted by the projector is projected onto the screen to form an image on the screen, and then the light is reflected to eyes of a person, as shown in fig. 4A, in the figure, reference numeral 50 represents a projection screen (such as a projection curtain, etc.), and the screen may be arranged on a wall, a desktop, a suspension, etc., which is not limited in this context; rear projection, namely the installation position of the projector and the audience are respectively positioned at two sides of the screen, light emitted by the projector is directly projected to the screen from one side of the screen, and the light enters the eyes of the audience through the screen; the projector is arranged on the same side of the screen or between the screen and the audience, is close to the screen, can be arranged below the screen (or obliquely below the screen) as shown in fig. 4B, or can be arranged on the side surface of the screen. Generally, when a telephoto projector such as a DLP projector, an LCD projector, or a CRT projector is used, a front projection, a rear projection, or a ceiling projection is preferably used; when a short-focus projector such as a laser projector is used, an oblique projection or a desktop projection may be preferably used.

For example, for a short-focus projector, the main projector 10 may be designed to have a bar shape with a triangular cross section or a trapezoidal cross section, and the projection surface of the main projector 10 may be disposed on an inclined surface of the bar shape, such as an inclined surface of the triangular cross section or the trapezoidal cross section, to facilitate the inclined projection of the projector. At this moment, only need place the projecting apparatus on ground or counter, can throw the projection screen on the wall to one side. Under the oblique projection mode, the distance between the projector and the projection screen can be within 50cm, the projection size can reach 180 inches, the occupied space distance is short, the activity of a user is hardly influenced, the laser projection device is particularly suitable for laser projection, and the safety of the laser projection can be improved.

In the embodiment of the present invention, the sound box 20 is a sound output device, a speaker, a subwoofer, etc. of the projection host 10. Speakers, such as high, low and medium three speakers, may be included in enclosure 20, which convert the frequency of the current into an audible output.

The embodiment of the present invention provides an in mainly use audio amplifier 20's cross-section to be the triangle-shaped cross-section, and overlap with the cross-section of projection host computer 10 and describe for the example, but in practical application, audio amplifier 20's form also can be designed to other forms, its cross sectional shape need not necessarily be the same with projection host computer 10, as long as can with projection host computer 10 or audio amplifier 20 between corresponding combination and dismantlement can, the embodiment of the utility model provides a do not specifically limit to this.

The sound box 20 may further include a plurality of speaker vents, for example, part or all of the sound box 20 may include a plurality of speaker vents (not shown), and the output sound information may be transmitted in a corresponding direction through the speaker vents.

In an actual application scenario, the speakers 20 are in wireless communication connection with the projection host 10, the processor in the projection host 10 processes the audio information, and synchronously sends the sound information corresponding to the image to be displayed to each speaker 20, and then the speakers 20 output the sound information, so that the sound corresponding to the displayed image can be synchronously output through each speaker 20, and the projector provides a better audio-visual effect for the user.

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.

Claims

1. A projector is characterized by comprising a projection host and at least one sound box, wherein an optical display module is arranged in the projection host and used for projecting and emitting image light corresponding to an image to be displayed;

2. The projector as defined in claim 1 wherein the projection engine is bar shaped.

3. The projector according to claim 2, wherein the projection main unit and the sound box have a triangular cross section or a trapezoidal cross section, and when the sound box is combined with the projection main unit, the cross sections of the projection main unit and the sound box coincide with each other.

4. The projector as claimed in claim 3, wherein the projection main unit and the sound box have a cross section of a rounded triangle or a rounded trapezoid.

5. The projector as claimed in any one of claims 1 to 4, wherein magnetic attraction means are used between two ends of the projector main body and the sound boxes, and between the sound boxes.

6. The projector as claimed in claim 5, wherein the optical display module is a laser display module or an LED display module or an LCD display module.

7. The projector according to claim 6, wherein the portion of the main body housing of the projector main body for projecting the image light is made of a semi-transparent material or a fully transparent material.

8. The projector as claimed in claim 7, wherein a display unit for displaying an operation interface related to a function of the projector is further provided on the body housing.

9. The projector as claimed in claim 8, wherein wireless communication modules are provided in both the projection host and the sound box.

10. The projector as defined in claim 8, wherein the projector is further provided with a remote control.