CN206431846U - A kind of plug-type multimedia performance device - Google Patents

Abstract

The utility model provides a push-pull multimedia demonstration device, which includes a flat screen and a first push-pull board. The flat screen includes a detection module and a control module. Whether the display screen is blocked by the first push-pull plate, the control module is used to control the flat screen to turn off or lower the display brightness of the flat screen to a predetermined brightness when the detection module detects that the flat screen is blocked by the first push-pull plate , and when the detection module detects that the first push-pull plate is removed to expose the flat-panel display, control the startup of the flat-panel display or increase the display brightness of the flat-panel display to the original brightness, so that when the push-pull switch uses the flat panel When the display screen and the first push-pull plate are connected, the display status of the display screen can be controlled in real time according to the blocking state of the flat-panel display screen by the first push-pull plate.

Description

A push-pull multimedia presentation device

technical field

The utility model relates to a push-pull multimedia demonstration device, in particular to a push-pull multimedia demonstration device with environmental protection, energy saving and intelligent switching display.

Background technique

With the development of science and technology, multimedia devices are increasingly used in office, teaching and other scenarios. There is a combined presentation device that combines multimedia devices with traditional writing boards. Multimedia devices such as electronic whiteboards or touch all-in-ones are embedded in ordinary writing boards. Users can push and pull the writing boards to switch between display screens and writing. The use of the board can meet the different presentation needs of the users, or perform blackboard writing or multimedia presentations, and realize the perfect combination of traditional blackboard writing and modern multimedia.

However, the above-mentioned combined demonstration device also has the following problems: when the push-pull writing board frequently switches between the multimedia display screen and the ordinary writing board, when switching to use the ordinary writing board, it is necessary to push and pull the writing board to block the display screen, and when switching to use the display screen, It is necessary to push and pull the tablet to expose the display screen. In this way, the screen is still displayed normally when the display screen is blocked, which wastes power. If the display screen is turned off manually, repeated operations are required, which is time-consuming, laborious and inhumane. . Especially when using a projector as a multimedia device, when the projection is used to switch the writing board to use, the light source of the projector directly shines on the object written on the writing board on the writing board, which is easy to hurt the eyes.

In view of this, the utility model proposes a push-pull multimedia demonstration device, including a flat screen and a first push-pull board, the flat screen includes a detection module and a control module, and the detection module is used for sliding the first push-pull board Detect whether the flat screen is blocked by the first push-pull plate, and the control module is used to control the flat screen to turn off or adjust the display brightness of the flat screen when the detection module detects that the flat screen is blocked by the first push-pull plate When the detection module detects that the first push-pull plate is removed to expose the flat panel display, it controls the startup of the flat panel display or increases the display brightness of the flat panel display to the original brightness. The push-pull multimedia demonstration device of the utility model can control the display state of the display screen in real time according to the blocking state of the flat display screen by the first push-pull board when the push-pull switch uses the flat display screen and the first push-pull board, which is environmentally friendly, energy-saving, and intelligent. Switch display, the design is more user-friendly, and when using a projector-based electronic whiteboard, it can reduce the harm of the projector's light source to the human eye.

Utility model content

The main purpose of the utility model is to provide an environment-friendly, energy-saving and more humanized push-pull multimedia demonstration device.

The utility model provides a push-pull multimedia demonstration device, which includes a flat screen and a first push-pull plate, the first push-pull plate can slidably cover or reveal the flat screen, and the flat screen includes a detection module for detecting the flat screen. Whether the screen is blocked by the first push-pull plate; and the control module is used to control the flat-panel display to close or turn off the flat-panel display when the detection module detects that the flat-panel display is blocked by the first push-pull plate The display brightness is lowered to a predetermined brightness, and when the detection module detects that the first push-pull plate is removed to reveal the flat display, control the flat display to start or adjust the display brightness of the flat display up to native brightness.

In the present invention, preferably, the flat panel display is an electronic whiteboard based on a projector, and the projector is used to project onto the electronic whiteboard, and the first push-pull plate can slidably cover or reveal the electronic whiteboard

In the present utility model, preferably, controlling the flat screen to turn off or lowering the display brightness of the flat screen to a predetermined brightness is specifically: controlling the projector to turn off or lowering the brightness of the projection light of the projector to The predetermined brightness: controlling the startup of the flat panel display or increasing the display brightness of the flat panel display to the original brightness is specifically: controlling the startup of the projector or adjusting the brightness of the projection light of the projector to the original brightness.

In the present invention, preferably, the flat panel display is a liquid crystal display, a plasma display or an LED display.

In the present invention, preferably, the first push-pull plate is located on the upper side, the lower side, the left side or the right side of the flat screen, and the first push-pull plate can slide down, up, right or left respectively to cover the flat panel display.

In the present invention, preferably, the first push-pull plate includes a first sub-push-pull plate and a second sub-push-pull plate, the flat panel display is located between the first sub-push-pull plate and the second sub-push-pull plate, the second sub-push-pull plate A sub-push-pull plate slides along a first direction to cover the flat screen, and the second sub-push-pull slides along a second direction to cover the flat screen. The first direction is opposite to the second direction.

In the present invention, preferably, the detection module is a sensor, and the sensor is one or a combination of an optical sensor, a distance sensor and an image sensor.

In the present invention, preferably, the control module judges whether the flat screen is blocked by comparing the sensing value of the sensor with a predetermined value.

In the present invention, preferably, the detection module is a physical button.

In the present invention, preferably, the control module judges whether the flat panel display screen is blocked by the first push-pull plate touching or detaching from the physical button.

Compared with the prior art, the push-pull multimedia demonstration equipment provided by the utility model includes a flat screen and a first push-pull board, the flat screen includes a detection module and a control module, and the detection module is used to slide the first push-pull board In the process of detecting whether the flat screen is blocked by the first push-pull plate, the control module is used to control the flat screen to turn off or turn off the flat screen when the detection module detects that the flat screen is blocked by the first push-pull plate. The brightness is lowered to a predetermined brightness, and when the detection module detects that the first push-pull plate is removed to expose the flat screen, the flat screen is controlled to start up or the display brightness of the flat screen is increased to the original brightness. The push-pull multimedia demonstration device of the utility model can control the display state of the display screen in real time according to the blocking state of the flat display screen by the first push-pull board when the push-pull switch uses the flat display screen and the first push-pull board, which is environmentally friendly, energy-saving, and intelligent. Switch display, the design is more user-friendly, and when using a projector-based electronic whiteboard, it can reduce the harm of the projector's light source to the human eye.

Description of drawings

Fig. 1 is a schematic diagram of the exposed state of the flat display screen of a push-pull multimedia demonstration device according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of a flat display screen of a push-pull multimedia presentation device being blocked according to an embodiment of the present invention;

Fig. 3 is a schematic diagram showing the exposed state of the flat screen of a push-pull multimedia demonstration device according to another embodiment of the present invention;

Fig. 4 is a schematic diagram showing the exposed state of the flat screen of a push-pull multimedia demonstration device according to another embodiment of the present invention;

Fig. 5 is a schematic diagram showing a state where the flat screen of a push-pull multimedia presentation device is blocked according to another embodiment of the present invention.

detailed description

In order to have a further understanding of the purpose, structure, features, and functions of the present utility model, the detailed description is as follows in conjunction with the embodiments.

Please refer to Fig. 1 and Fig. 2. Fig. 1 is a schematic diagram showing the flat display screen of a push-pull multimedia demonstration device according to an embodiment of the present invention, and Fig. 2 is a schematic diagram of a push-pull display according to an embodiment of the present invention. A schematic diagram of the blocked state of the flat screen of the multimedia presentation device. The push-pull multimedia demonstration device 10 of the present invention includes a first push-pull plate 110 and a flat screen 120 , and the first push-pull plate 110 can slidably cover or expose the flat screen 120 . The push-pull multimedia demonstration device 10 also has an outer frame 100, the outer frame 100 is provided with a plurality of grooves, and each groove is respectively provided with a first push-pull plate 110 and a flat panel display 120, the first push-pull plate 110 and/or the flat panel display The screen 120 can be pushed and pulled horizontally and moved flexibly in the groove rail, and the maximum display surface can face the viewer. In the embodiment of the present invention, the first push-pull board 110 is a writing board, such as a traditional blackboard or a dust-free green board, but the present invention is not limited thereto, and the first push-pull board 110 can also be a flat screen.

The flat display screen 120 includes a detection module 1200 and a control module (not shown), wherein the detection module 1200 is used to detect whether the flat display screen 120 is moved by the first push-pull plate during the process of sliding the first push-pull plate 110. 110; the control module is used to control the flat panel display 120 to turn off or lower the display brightness of the flat panel display 120 to a predetermined brightness when the detection module 1200 detects that the flat panel display 120 is blocked by the first push-pull plate 110, and when When the detection module 1200 detects that the first push-pull plate 110 is removed to expose the flat-panel display 120, that is, the first push-pull plate 110 does not cover the flat-panel display 120 so that the flat-panel display 120 is exposed, and the flat-panel display 120 can be exposed by the user. When viewing the state, control the flat panel display 120 to start or increase the display brightness of the flat panel display 120 to the original brightness. Therefore, the push-pull multimedia demonstration device 10 of the present utility model can control the flat display screen in real time according to the blocking state of the flat display screen 120 by the first push-pull board 110 when the push-pull switch uses the first push-pull plate 110 and the flat display screen 120 110 display status, environmental protection and energy saving, intelligent switching display, more humanized design.

As shown in Figures 1 and 2, the flat display screen 120 is an electronic whiteboard 122 based on a projector 121, that is, the multimedia device in this embodiment includes a projector 121 and an electronic whiteboard 122, and the projector 121 is installed above the electronic whiteboard 122 , the projector 121 is used to project onto the electronic whiteboard 122 , and the first push-pull plate 110 can slidably cover or expose the electronic whiteboard 122 . When the detection module 1200 detects that the electronic whiteboard 122 is blocked by the first push-pull board 110, it controls the projector 121 to shut down so that the electronic whiteboard 122 turns off the display, or lowers the brightness of the projection light of the projector 121 to a predetermined brightness so that The display brightness of the electronic whiteboard 122 is reduced, and the predetermined brightness can be set according to actual needs, or the light source output can be turned off to keep the black screen, which is not limited in the present invention. Subsequently, when the detection module 1200 detects that the first push-pull board 110 is removed to expose the electronic whiteboard 122, the projector 121 is controlled to start to project images to the electronic whiteboard 122 or to increase the brightness of the projection light of the projector 121 Return to the original brightness to restore the original display state of the electronic whiteboard 11 .

Please continue to refer to FIG. 1 and FIG. 2, in this embodiment, from the perspective of the viewer, the first push-pull plate 110 is located on the left side of the flat-panel display 120, and the first push-pull plate 110 can slide to the right to block the flat-panel display screen 120, in other embodiments, the first push-pull plate 110 can also be located on the upper side, the lower side, or the right side of the flat panel display 120, and the first push-pull plate 110 slides downward, upward, or leftward respectively to block the flat panel display Screen 120. In the utility model, the first push-pull plate 110 and/or the flat panel display 120 can slide in the groove rail of the outer frame 100, that is, the utility model can also slide the flat panel display 120 so that it is blocked by the first push-pull panel 110 , and the occlusion can be complete occlusion or partial occlusion, which can be designed according to actual needs.

In the embodiment of the present utility model, the detection module 1200 is a sensor, such as at least one of an optical sensor, a distance sensor and an image sensor. Whether 120 is blocked, preferably, the sensor is installed at any position around the edges of the display screen of the flat panel display. For example, the optical sensor senses the change of the ambient light intensity value to reach the preset change degree, that is, compares the sensed change value with the preset change value to determine whether it is blocked; the distance sensor can be an optical displacement sensor , linear proximity sensor, ultrasonic displacement sensor, etc., the distance sensor can sense the change of the occlusion of the front object at close range of the flat panel display 120, that is, from being occluded to unoccluded, or from unoccluded to being occluded, and its detection The measurement principle is as follows: the distance sensor includes a transmitter and a receiver. The generator generates an infrared light signal. If there is an object in front of the distance sensor, the light signal is reflected by the object to the receiver. The receiver measures the intensity of the emitted light. If the reflected light If the intensity of the object exceeds the set value, the distance sensor judges that there is an object occlusion; the image sensor includes a camera, and the camera judges whether it is occluded by comparing the image of the captured object with the pre-stored occlusion/unocclusion image.

It should be noted that the utility model is not limited to the above-mentioned sensors, as long as the occlusion state can be sensed, different sensors can be used in combination, and the specific type, quantity and installation position of the sensors can be determined according to the actual design requirements. Sure.

In other embodiments, the detection module 1200 is a physical button, and the control module judges whether the flat panel display 120 is blocked by the first push-pull plate 110 touching or detaching from the physical button, the physical button and the control module. Preferably, the physical button is elastic and can be compressed and popped up. When the first push-pull plate 110 touches the physical button, the physical button is compressed immediately, and the control module judges that the flat display screen 120 is blocked; when the first push-pull plate 110 When the physical button is released, the physical button is released and pops up, and the control module judges that the flat panel display 120 is not blocked. In this embodiment, the number and position of the physical buttons can be set according to actual needs.

Please also refer to FIG. 3 . FIG. 3 is a schematic view showing a flat display screen of a push-pull multimedia presentation device according to another embodiment of the present invention. The only difference between this embodiment and the above-mentioned embodiments is that the flat panel display 120' in this embodiment is a liquid crystal display, preferably a touch-type liquid crystal all-in-one machine. Certainly, the utility model is not limited thereto, and the panel display screen 120' can also be a panel computer display screen, a touch panel TV display screen, a plasma display screen, an LED display screen and related multimedia plane presentation tools.

Please continue to refer to Fig. 4 and Fig. 5. Fig. 4 is a schematic diagram showing the exposed state of the flat screen of a push-pull multimedia demonstration device according to another embodiment of the present invention. Fig. 5 is a schematic diagram according to another embodiment of the present invention. A schematic diagram of the blocked state of the flat screen of a push-pull multimedia presentation device. The difference from the above embodiments is that the push-pull multimedia presentation device 10" of this embodiment includes a first push-pull board 110 and a flat display screen 120, wherein the first push-pull board 110 includes a first sub-push-pull board 1101 and a second sub-push-pull board 1101. The push-pull plate 1102, the flat screen 120 is located between the first sub-push-pull plate 1101 and the second sub-push-pull plate 1102, the first sub-push-pull plate 1101 slides along the first direction S1 to cover the flat screen 120, the second sub-push-pull plate 1102 Slide along the second direction S2 to block the flat panel display 120, the first direction S1 and the second direction S2 are opposite. Preferably, as shown in Figure 5, the first sub-push-pull plate 1101 and the second sub-push-pull plate 1102 can slide simultaneously The flat screen 120 is completely covered.

In this embodiment, detection modules 1200 are provided on both sides of the flat panel display 120 to respectively detect the occlusion of the first sub-push-pull plate 1101 and the second sub-push-pull plate 1102, and the control module can be based on at least one detection module. It is judged whether the flat-panel display screen is blocked according to the sensing situation of the detection module, and the specific blocking judgment such as partial blocking or complete blocking can be set according to actual needs. In other embodiments, a detection module 1200 may be provided on the upper side and/or lower side of the flat panel display 120 to simultaneously detect the occlusion of the first sub-sliding panel 1101 and the second sub-sliding panel 1102 . The specific location, quantity and type of the detection module 1200 can be designed according to actual needs. The structural designs of the flat panel display 120 and the detection module 1200 are similar to those of the foregoing embodiments, and will not be repeated here.

It should be noted that in the present invention, the same reference numerals are assigned to components having substantially the same or similar structures and functions, and repeated descriptions about them will be omitted.

In summary, the push-pull multimedia demonstration equipment in the utility model includes a flat screen and a first push-pull board, the flat screen includes a detection module and a control module, and the detection module is used for sliding the first push-pull board. Detect whether the flat screen is blocked by the first push-pull plate, and the control module is used to control the flat screen to turn off or adjust the display brightness of the flat screen when the detection module detects that the flat screen is blocked by the first push-pull plate When the detection module detects that the first push-pull plate is removed to expose the flat panel display, it controls the startup of the flat panel display or increases the display brightness of the flat panel display to the original brightness. The push-pull multimedia demonstration device of the utility model can control the display state of the display screen in real time according to the blocking state of the flat display screen by the first push-pull board when the push-pull switch uses the flat display screen and the first push-pull board, which is environmentally friendly, energy-saving, and intelligent. Switch display, the design is more user-friendly, and when using a projector-based electronic whiteboard, it can reduce the harm of the projector's light source to the human eye.

Although the utility model has been described in conjunction with the drawings, the embodiments disclosed in the drawings are intended to illustrate the preferred implementation of the utility model, and should not be construed as a limitation of the utility model. In order to clearly describe the required parts, the scales in the schematic drawings do not represent the proportional relationship of the actual parts.

The utility model has been described by the above-mentioned relevant embodiments, but the above-mentioned embodiments are only examples for implementing the utility model. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, changes and modifications made without departing from the spirit and scope of the utility model all belong to the patent protection scope of the utility model.

Claims (10)

1. A push-pull multimedia presentation device, comprising a flat display screen and a first push-pull plate, the first push-pull plate slidably blocks or reveals the flat display screen, it is characterized in that the flat display screen includes A detection module, detecting whether the flat display screen is blocked by the first sliding plate; and a control module, configured to control the flat panel display to turn off or lower the display brightness of the flat panel display to a predetermined brightness when the detection module detects that the flat panel display is blocked by the first push-pull plate; When the detection module detects that the first push-pull plate is removed to reveal the flat screen, it controls the flat screen to start up or adjusts the display brightness of the flat screen to the original brightness. 2. The push-pull multimedia presentation device according to claim 1, wherein the flat panel display is an electronic whiteboard based on a projector, and the projector is used for projecting to the electronic whiteboard, and the first push-pull plate is slidably Cover or reveal the electronic whiteboard. 3. The push-pull multimedia presentation device according to claim 2, wherein controlling the flat screen to turn off or lowering the display brightness of the flat screen to a predetermined brightness is specifically: controlling the projector to turn off or turning the The brightness of the projection light of the projector is lowered to the predetermined brightness; controlling the start of the flat screen or increasing the display brightness of the flat screen to the original brightness is specifically: controlling the start of the projector or the projection light of the projector Adjust the brightness to the original brightness. 4. The push-pull multimedia demonstration device according to claim 1, wherein the flat panel display is a liquid crystal display, a plasma display or an LED display. 5. The push-pull multimedia presentation device as claimed in claim 1, wherein the first push-pull plate is located on the upper side, the lower side, the left side or the right side of the flat display screen, and the first push-pull plate can respectively Swipe down, up, right, or left to cover the tablet display. 6. The push-pull multimedia demonstration device as claimed in claim 1, wherein the first push-pull board comprises a first sub-push-pull board and a second sub-push-pull board, and the flat display screen is located between the first sub-push-pull board and the second sub-push-pull board. Between the second sub-push-pull plates, the first sub-push-pull plate slides along the first direction to cover the flat screen, and the second sub-push-pull slides along the second direction to cover the flat screen. The second direction is opposite. 7. The push-pull multimedia presentation device according to any one of claims 1 to 6, wherein the detection module is a sensor, and the sensor is one or a combination of an optical sensor, a distance sensor and an image sensor. 8. The push-pull multimedia presentation device as claimed in claim 7, wherein the control module judges whether the flat screen is blocked by comparing the sensing value of the sensor with a predetermined value. 9. The push-pull multimedia presentation device according to any one of claims 1 to 6, wherein the detection module is a physical button. 10 . The push-pull multimedia presentation device according to claim 9 , wherein the control module judges whether the flat screen is blocked by the first push-pull plate touching or detaching from the physical button. 11 .