WO2017031746A1

WO2017031746A1 - Interactive projection apparatus

Info

Publication number: WO2017031746A1
Application number: PCT/CN2015/088237
Authority: WO
Inventors: 李卓澔
Original assignee: 李卓澔
Priority date: 2015-08-27
Filing date: 2015-08-27
Publication date: 2017-03-02

Abstract

An interactive projection apparatus, containing a housing, a control module, a projection module and a sensing module; the projection module is located at a front end of the housing, for receiving an image signal from the control module and projecting an image according to the image signal; and the sensing module is located at a rear end of the housing, for sensing a gesture trajectory and/or a voice input of a user located at the rear of the housing; and the control module changes, according to a gesture sensing result of the sensing module and/or a voice control signal, the image signal output thereby, so as to control a display content of a projected image.

Description

Interactive projection device

Technical field

The present invention relates to a projection apparatus, and more particularly to an interactive projection apparatus that can interpret a user's gesture to change a projected content.

Background technique

Existing general displays, such as liquid crystal displays, LED displays, plasma displays, and even conventional CRT (cathode ray tube) televisions, often need to occupy a lot of space when placed in a home environment such as a kitchen, bathroom or locker room. It also affects the beauty of the environment as a whole.

In addition, the above display has many electronic parts and has a ventilated heat dissipation structure (such as a heat dissipation hole), which is sensitive to moisture or smoke, and moisture or smoke easily enters the inside of the casing in a humid environment such as a kitchen or a bathroom, thereby causing electrons therein. Part damage. Although it is possible to isolate the wet environment by adding a transparent glass cover, it increases the inconvenience of operation. Moreover, the above display usually requires the assistance of an input tool (such as a remote controller, a keyboard, a mouse) to operate, which increases the difficulty of operation in the above environment, and is also liable to cause damage to the input tool.

In addition, the installation position of the flat panel display is generally fixed to a specific area of the wall, and cannot be easily adjusted to meet the needs of the user.

Therefore, it is necessary to provide an interactive projection device to solve the problems of the prior art.

Summary of the invention

In view of the shortcomings of the prior art, the main object of the present invention is to provide an interactive projection device that can read a user's gesture and change the projected content, thereby facilitating the user's operation, and solving the problem that the existing general display faces in a specific environment. The problem.

In order to achieve the foregoing object of the present invention, an interactive projection apparatus includes: a housing; a control module disposed in the housing; a projection module located at a front end of the housing and connected The control module is configured to receive an image signal from the control module, and project an image toward the front of the housing according to the image signal; and a sensing module located in the housing a control module for sensing a gesture track and/or a voice signal of a user located behind the housing, the control module is configured according to the sense The gesture track and/or the voice signal sensed by the module is used to change the image signal to control a display content of the image.

In an embodiment of the invention, the sensing module includes at least one of an image capturing device and an infrared sensor for sensing a gesture track of the user.

In an embodiment of the invention, the infrared sensor comprises an infrared emitter and an infrared sensor.

In an embodiment of the invention, the sensing module includes at least one microphone connected to the control module through an audio input/output interface for sensing The user's voice signal.

In an embodiment of the invention, the projection module includes at least one projection lens, and the at least one projection lens changes a projection position or a projection angle by a fine adjustment device.

In an embodiment of the invention, the projection module includes a mirror and a projection lens; the bottom of the housing is a transparent plate; the mirror and the projection lens are disposed in the housing and are separated by a a specific distance; a reflecting surface of the mirror is a front end facing the housing; the projection lens projects the image toward a reflecting surface of the mirror, so that the image is reflected by the mirror The image is projected toward the front of the housing through the bottom of the housing.

In an embodiment of the invention, the projection module includes at least two projection lenses, and the control module controls the at least two projection lenses to respectively respectively respectively input image blocks to form a complete image.

In an embodiment of the invention, the bottom of the housing is provided with an open-close structure, and the projection module is selectively housed in the housing or exposed at the front end of the housing through the open-close structure. Or a bottom surface.

The invention mainly provides a projection module and a sensing module respectively disposed at the front and rear ends of the projection device, so that the user located behind the casing can adjust the display content of the image projected by the projection module through the gesture, thereby replacing the general tradition. Display, the interactive projection device not only does not require an additional physical input tool, which is convenient for the user to The display content of the image operates without the problems faced by the general display in a specific environment.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram of an apparatus of an interactive projection apparatus in accordance with a preferred embodiment of the present invention.

2 is a perspective view of an interactive projection apparatus in accordance with a preferred embodiment of the present invention.

3A is a side elevational view of an interactive projection apparatus in accordance with a preferred embodiment of the present invention.

3B is a side elevational view of an interactive projection apparatus in accordance with another preferred embodiment of the present invention.

3C is a side elevational view of an interactive projection apparatus in accordance with yet another preferred embodiment of the present invention.

4 is a view showing a state of use of an interactive projection apparatus according to a preferred embodiment of the present invention when installed on a bottom surface of a storage cabinet.

FIG. 5A is a schematic diagram of an interactive projection apparatus for performing image docking with two lenses according to a preferred embodiment of the present invention. FIG.

FIG. 5B is a schematic diagram of an image interfacing of two interactive projection devices by an interactive projection device according to a preferred embodiment of the present invention. FIG.

detailed description

The above described objects, features, and advantages of the present invention will become more apparent from the aspects of the invention. Furthermore, the present invention The directional terms mentioned, such as "upper", "lower", "before", "after", "left", "right", "inside", "outside", "side", etc. Direction. Therefore, the directional terminology used is for the purpose of illustration and understanding of the invention.

1 and 2, FIG. 1 is a block diagram of an apparatus for interactive projection apparatus in accordance with a preferred embodiment of the present invention; and FIG. 2 is a perspective view of an interactive projection apparatus in accordance with a preferred embodiment of the present invention. The interactive projection device mainly includes a housing 10, a control module 11, a projection module 12, and a sensing module 13.

As shown in FIG. 2, the housing 10 is substantially in the shape of a box to provide an internal space for the above-described control module 11, projection module 12, sensing module 13, and other components. The housing 10 has a front end 100 and a rear end 101 opposite the front end 100. In this embodiment, the housing 10 further has a heat dissipation opening 103. The heat dissipation opening 103 is disposed at a top of the housing 10. The interactive projection device can further include a heat dissipation fan 19. The heat dissipation fan 19 is disposed in the casing 10 corresponding to the heat dissipation opening 103 for dissipating waste heat generated when the internal electronic components of the casing 10 are operated.

As shown in FIG. 2, the control module 11 is disposed in the housing 10, and can be a microcomputer control circuit board, and can output an image signal to the foregoing projection module 12.

As shown in FIG. 2, the projection module 12 is located at the front end of the housing 10. 100, and connected to the control module 11, the projection module 12 is configured to receive an image signal from the control module 11, and project an image toward the front of the casing 10 according to the image signal. In this embodiment, the projection module 12 includes at least one projection lens 120. In a preferred embodiment, the projection lens 120 can change its projection position or projection angle by a fine adjustment device. The projection module 12 can be, for example, a digital light processing (DLP) projection module, a laser beam scanning (LBS) projection module, or a liquid crystal on silicon (LCoS) projection. Module. The projection module may further comprise a light source component, and the light source component may be a laser light source, a light emitting diode light source or a high performance light bulb. With further reference to FIG. 3A, the projection module 12 can be disposed such that its projection lens 120 is located on the front side of the housing 10; or as shown in FIG. 3B, the housing 10 is closer to the bottom of the front end 100 for further The opening and closing structure 102 is provided. The projection module 12 can be selectively received in the casing 10 or exposed to the front end 100 or a bottom surface of the casing 10 through the opening and closing structure 102. In this way, in the non-use state, the projection module 12 can be housed in the casing 10 to be isolated from the external environment, reducing the probability of damage due to contact with moisture. As shown in FIG. 3C , the projection module 12 may further include a mirror 121 . The bottom of the housing 10 is a transparent plate. The mirror 121 and the projection lens 120 are disposed in the housing 10 . And separated by a specific distance; a reflecting surface of the mirror 121 is facing the front end 100 of the casing 10; the projection The lens 120 projects an image toward the reflecting surface of the mirror 121 such that the image is reflected by the mirror 121, and then projects through the bottom of the casing 10 toward the front of the casing 10. image. Through the arrangement of the mirror 121, the image projected by the projection lens 120 enables the interactive projection device to obtain a magnification effect within a limited projection distance, providing a better viewing experience. In a preferred embodiment, the mirror 121 can be a concave mirror, but not limited thereto.

As shown in FIG. 2, the sensing module 13 is located at the rear end 101 of the housing 10 and is connected to the control module 11. Further, as shown in FIG. 4 , the sensing module 13 is configured to sense a gesture track and/or a voice signal of a user located behind the housing 10 , and the control module 11 according to the sense The gesture track and/or the voice signal sensed by the measurement module 13 changes the image signal provided to the projection module 12 to control the display content of the projected image. In one embodiment, the sensing module 13 can include at least one of an image capturing device 130 and an infrared sensor 131 for sensing a gesture track of the user, wherein the infrared sensor 131 It can include an infrared emitter and an infrared sensor. In an embodiment, the sensing module 13 further includes at least one microphone 17 connected to the control module 11 through an audio input/output interface 15 for sensing the voice signal of the user and passing the The audio input/output interface 15 converts the input to the control module 11; when the sensing module 13 includes more than two microphones 17, the microphones 17 can form a microphone array. Therefore, In this embodiment, the control module 11 can also change the image signal provided to the projection module 12 according to the voice signal from the user to control the display content of the projected image. The audio input/output interface 15 is also connected to at least one speaker 16. As shown in FIG. 2, the speaker 16 and the microphone 17 can be installed at the rear end 101 of the casing 10, wherein the speaker 16 can output audio data of an external video signal to play corresponding audio content to the user. .

In a preferred embodiment, as shown in FIG. 1 , the interactive projection device may further include a network module 14 , and the control module 11 may connect to the Internet or an external device through the network module 14 in a wired or wireless manner. The electronic device communicates to receive an external video signal. The interactive projection device can also include a power supply 18 that can be connected to the mains via a power line and converted to an appropriate operating power source for supply to other electronic components.

As shown in the usage state diagram shown in FIG. 4, the interactive projection device can be disposed at a bottom of a storage cabinet 20 above a work table. The housing 10 can be partially embedded in the storage cabinet 20 , and the projection module 12 and the sensing module 13 are exposed to the outside of the storage cabinet 20 . When the interactive projection device of the present invention is in operation, the projection module 12 is configured to dispense a corresponding image onto a projection wall 21 according to the image signal of the control module 11, and the user located behind the housing 10 at this time The sensing module 13 can be perceived by a specific gesture, and the sensing result is converted into a corresponding input instruction, so that the control module 11 changes its providing according to the input instruction. The image signal of the projection module 12 can be further adjusted to display the display content of the image projected by the projection module 12. In this way, the user does not need an additional physical input tool, and can conveniently perform actions such as switching audio and video programs on the display content of the image, thereby effectively reducing the difficulty of operation; meanwhile, since the interactive projection device is disposed on A bottom of the storage cabinet 20 above the work table, unlike a conventional flat display that is fixed to a vertical wall surface, in contrast, the interactive projection device of the present invention is less in a home environment such as a kitchen, bathroom or locker room. It will occupy too much space and will not affect the overall beauty of the environment; its setting position and the direction of the heat dissipation port are also relatively far away from the possible diffusion direction of moisture or smoke, which can effectively prevent the internal electronic components from being damaged by moisture. In an embodiment, the waste heat dissipated by the heat dissipation opening 103 of the interactive projection device can also be recovered to enter the storage cabinet 20 and guided to a bowl through a ventilation path inside the storage cabinet 20. Place it for use as a stream for drying dishes.

With reference to FIG. 5A , in a preferred embodiment, the projection module 12 can include at least two projection lenses 120 , and the control module 11 can control the at least two projection lenses 120 to respectively respectively respectively apply different image blocks. Different image blocks can respectively play different video content, or the two can be docked to form a larger size image to play a single video. Alternatively, as shown in FIG. 5B, the interactive projection device can also be used in conjunction with another identical interactive projection device, and the control modules 11 of the two interactive projection devices control the respective projection lenses 120 to respectively project each From the image to two adjacent projection blocks. Similarly, the two adjacent image blocks can respectively play different video content, or the two can be connected to form a larger size image to play a single video.

It can be seen from the above description that the interactive projection device of the present invention provides a projection module and a sensing module respectively at the front and rear ends of the housing, so that the user located behind the housing can be transparently compared with the existing display that must use the physical input tool. The gestures adjust the display content of the image projected by the projection module, so that the traditional input tools such as the remote control and the keyboard can be omitted, and the general display can be effectively avoided in a specific environment such as a kitchen, a bathroom or a locker room. the problem we are facing.

The present invention has been described by the above related embodiments, but the above embodiments are merely examples for implementing the present invention. It must be noted that the disclosed embodiments do not limit the scope of the invention. Rather, modifications and equivalent arrangements are intended to be included within the scope of the invention.

Claims

An interactive projection device comprising:

a housing

a control module disposed in the housing;

a projection module, located at a front end of the housing, and connected to the control module, the projection module for receiving an image signal from the control module, and projecting toward the front of the housing according to the image signal An image;

a sensing module is disposed at a rear end of the housing and connected to the control module, wherein the sensing module is configured to sense a gesture track and/or a voice of a user located behind the housing And the control module is configured to change the image signal according to the gesture track and/or the voice signal sensed by the sensing module to control a display content of the image.
The interactive projection device of claim 1 , wherein the sensing module comprises at least one of an image capturing device and an infrared sensor for sensing a gesture track of the user.
The interactive projection device of claim 2 wherein said infrared sensor comprises an infrared emitter and an infrared sensor.
The interactive projection device of claim 1 , wherein the sensing module comprises at least one microphone connected to the control module via an audio input/output interface for sensing a voice signal of the user.
The interactive projection apparatus according to claim 1, wherein said projection module comprises at least one projection lens, and said at least one projection lens changes a projection position or a projection angle by a fine adjustment device.
The interactive projection device of claim 1 , wherein the projection module comprises a mirror and a projection lens; the bottom of the housing is a transparent plate; the mirror and the projection lens are disposed in the housing And being separated by a specific distance; a reflecting surface of the mirror is facing the front end of the casing; the projection lens projects the image toward a reflecting surface of the mirror, so that the image passes through the mirror After reflection, the image is projected toward the front of the housing through the bottom of the housing.
The interactive projection device of claim 1 , wherein the projection module comprises at least two projection lenses, and the control module controls the at least two projection lenses to respectively respectively respectively apply different image blocks to form a complete image.
The interactive projection device of claim 1 , wherein the bottom of the housing is provided with an open-close structure, and the projection module is selectively housed in the housing or exposed to the shell through the open-close structure. The front end or the bottom surface of the body.