1. The intelligent audio-visual system comprises a main display device M and a sub-display device N, wherein the main display device M and the sub-display device N respectively comprise a shell (1) and a display screen (2) on the front surface of the shell (1), a main control board (3) and a loudspeaker (4) inside the shell (1), an audio and video input interface (5), a power interface (6) and an operation key (7) on the side surface of the shell (1), wherein the display screen (2), the loudspeaker (4), the audio and video input interface (5), the power interface (6) and the operation key (7) are respectively connected with the main control board (3); the main control board (3) is characterized by further comprising a wireless communication module, a human body induction module (9) is arranged on the side face or inside the shell (1), the human body induction module (9) is connected with the main control board (3), and the main display device M and the sub display device N are communicated through the wireless communication module; the main display device M can be connected with a mobile phone or a computer through an audio and video input interface (5) or a wireless communication module, and the main display device M and the sub display device N can display pictures displayed on a mobile phone screen or a computer screen in real time; human bodies in the detection range of the human body sensing module (9) are detected, and a corresponding display strategy is executed according to the detection result.

2. The intelligent audio-visual system according to claim 1, wherein the wireless communication module is a WIFI communication module, the main display device M has a wireless routing or wireless bridging function, and a mobile phone or a computer can access the internet to obtain audio and video resources by connecting with a WIFI signal of the main display device M.

3. The intelligent video and audio system according to claim 1, wherein the wireless communication module is a wireless network bridge communication module, and the wireless network bridge is 802.11b, 802.11G, 802.11GN of 2.4GHz band or 802.11a, 802.11an of 5.8GHz band.

4. The intelligent audio/video system according to claim 1, wherein the wireless communication module is a microwave communication module using electromagnetic waves having a wavelength of 0.1 mm to 1 m; the frequency range corresponding to the electromagnetic wave is 300MHz to 3000 GHz.

5. The intelligent audio/video system according to claims 2, 3 and 4, wherein the human body sensor (9) is an infrared sensor or a radar sensor.

6. The intelligent video and audio system according to claim 5, wherein the human body sensing module (9) can detect the distance L between the human body and the human body, the detection range is 0.1 m or more and L or less than 20 m, and the volume is adjusted according to the detection distance L, the sound is small when the distance is close, and the sound is large when the distance is far.

7. The intelligent audio-visual system according to claim 6, wherein the detection distance L can be adjusted by a mobile phone APP within an adjustment range of 0.1 m or more and L or less than 20 m; the working mode can be adjusted, at least comprising a first mode, the main display equipment M displays all the time, the sub display equipment N displays when the distance between the sub display equipment N and a person is sensed to be less than or equal to L, and the sub display equipment N is closed when the distance between the sub display equipment N and the person is sensed to be greater than L; in the second mode, the main display equipment M is used for displaying when sensing that the distance between people is less than or equal to L, and is closed when the distance is greater than L; the sub-display device N is turned off when the distance between the sub-display device N and the person is less than or equal to L; the closing delay time T of the main display device M and the sub display device N can also be adjusted through the mobile phone APP, the adjusting range T is 0s-120s, and the stepping time is 1 s.

8. The system according to claim 7, wherein the number of the sub-display devices N is 2 or more, the audio/video input interface (5) is an HDMI interface, and the power supply interface (6) is a type-c interface.

9. The intelligent audio-visual system according to claim 8, wherein the main display device M and the sub-display device N each comprise an illuminating LED lamp (8) on the top or side of the housing (1), wherein the illuminating LED lamp (8) is connected with the main control panel (3), the main control panel (3) further comprises a voice control module and a light control module, and the on-off, sound size adjustment, display brightness adjustment, pause, forward, backward, previous song, next song, audio-visual resource search and play, illuminating LED lamp (8) brightness adjustment, and illumination LED lamp (8) on or off can be realized through voice instructions; when the ambient illumination brightness is lower than the set value of the light control module, the illumination LED lamp (8) can be lightened along with the starting of the display screen (2).

10. The intelligent audio/video system according to claim 9, wherein the working modes of the lighting LED lamp (8) can also be adjusted by the mobile phone APP, at least including mode one, and only the display screen (2) works; in the second mode, only the lighting LED lamp (8) works; and in the third mode, the display screen (2) and the lighting LED lamp (8) work.

Background

The traditional audio-visual system is a conventional display or a plurality of displays which are synchronously displayed, is connected with a computer or a mobile phone through a video line, can display pictures displayed on a computer screen or a mobile phone screen in real time, is started or closed through a key or a remote controller, increases and reduces volume, and has single function, inconvenient operation and poor user experience; with the rapid development of smart homes, the traditional audio-video system cannot meet the diversified demands of people.

The traditional audio-visual system has the problems that the sound is too large when a person approaches and too small when the person leaves, and the hearing is easily damaged or the person cannot hear clearly.

The second problem of the traditional audio-video system is that programs are not continuously watched when people frequently move in a plurality of rooms.

The traditional audio-video system has the third problem that the audio-video system cannot be automatically closed when people leave for a period of time, and electric energy is wasted.

The traditional video and audio system has the fourth problem that manual operation is inconvenient and unsanitary when dirt such as oil stains and the like are on hands of people doing housework.

The fifth problem of the traditional video and audio system is that the display screen has great harm to the vision when the ambient illumination brightness is dark.

The problem that traditional audio-visual system exists is that do not possess intelligent lighting function, and intelligent illumination needs to realize through solitary lighting apparatus, occupies more space, installs inconveniently.

Disclosure of Invention

The first purpose of the invention is to ensure that the hearing of a person is not easy to be damaged and can be clearly heard when the person approaches or leaves; the second purpose is to make the program watch continuously when people frequently move in a plurality of rooms; the third purpose is to save electric energy when people leave for a period of time; the fourth purpose is that when the person does housework, the operation is convenient and sanitary when the dirt such as oil stain is on the hands; the fifth purpose is to reduce the damage of the display screen to the eyesight when the ambient illumination brightness is dark; the sixth purpose is to realize intelligent illumination function, reduce space simultaneously and occupy, simple to operate.

In order to achieve the purpose, the technical scheme of the invention is as follows:

an intelligent audio-visual system comprises a main display device M and a sub-display device N, wherein the main display device M and the sub-display device N respectively comprise a shell 1, a display screen 2 on the front surface of the shell 1, a main control board 3 and a loudspeaker 4 in the shell 1, and an audio-visual input interface 5, a power interface 6 and an operation key 7 on the side surface of the shell 1, wherein the display screen 2, the loudspeaker 4, the audio-visual input interface 5, the power interface 6 and the operation key 7 are respectively connected with the main control board 3; the main control board 3 is characterized by further comprising a wireless communication module, a human body induction module 9 is arranged on the side face or inside the shell 1, the human body induction module 9 is connected with the main control board 3, and the main display device M and the sub display device N are communicated through the wireless communication module; the main display device M can be connected with a mobile phone or a computer through the audio and video input interface 5 or the wireless communication module, and the main display device M and the sub display device N can display pictures displayed on a mobile phone screen or a computer screen in real time; the human body in the detection range is detected by the human body sensing module 9, and a corresponding display strategy is executed according to the detection result.

Preferably, the wireless communication module is a WIFI communication module, the main display device M has a wireless routing or wireless bridging function, and the mobile phone or the computer can access the internet to obtain audio and video resources by connecting with a WIFI signal of the main display device M.

Or further, the wireless communication module is a wireless network bridge communication module, and the wireless network bridge is 802.11b, 802.11G, 802.11GN of 2.4GHz band or 802.11a, 802.11an of 5.8GHz band.

Or further, the wireless communication module is a microwave communication module, and uses electromagnetic waves with the wavelength of 0.1 millimeter to 1 meter; the frequency range corresponding to the electromagnetic wave is 300MHz to 3000 GHz.

Further, the sensor used by the human body sensing module 9 is an infrared sensor or a radar sensor, preferably a radar sensor.

Further, the human body sensing module 9 can detect a distance L between the human body and the human body, the detection range is 0.1 m or more and L is less than or equal to 100 m, and adjust the volume according to the detection distance L, the sound is small when the distance is close, and the sound is large when the distance is far, and the preferred value of L is 0.1, 0.2, 0.5, 0.6, 0.8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 25, 30, 40, 50, 60, 70, 80, 90, 100 m.

Further, the detection distance L can be adjusted by the mobile phone APP, the adjustment range is 0.1 meter or less and L or less than 20 meters, the preferred value of L is 0.1, 0.2, 0.5, 0.6, 0.8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 25, 30, 40, 50, 60, 70, 80, 90, 100 meters, and the step preferred value is 0.1, 0.2, 0.5, 1, 2, 5, 10 meters; the working mode can be adjusted, at least comprising a first mode, the main display equipment M displays all the time, the sub display equipment N displays when the distance between the sub display equipment N and a person is sensed to be less than or equal to L, and the sub display equipment N is closed when the distance between the sub display equipment N and the person is sensed to be greater than L; in the second mode, the main display device M is turned off when sensing that the distance between people is less than or equal to L, the sub display device N is turned off when sensing that the distance between people is less than or equal to L, and the sub display device N is turned off when sensing that the distance between people is greater than L; the closing delay time T of the main display device M and the sub-display device N can also be adjusted through the mobile phone APP, the adjusting range T is 0s-999s, and the preferable value of T is 0s, 1s, 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 20s, 26s, 28s, 30s, 32s, 36s, 40s, 50s, 60s, 80s, 100s, 120s, 200s, 600s, 800s, 999s, and the step is 1 s; namely, when the distance between the main display device M and the sub display device N is larger than L and the closing instruction is executed, the main display device M or the sub display device N is closed after the delay time T.

Further, the number of the sub display devices N is 2 or more, preferably, the number of the sub display devices N is 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 30, 40, 50, 60, 70, 80, 90, 100, 120, 160, 200, 300, 400, 500, 600, 700, 800, 900, 1000, the audio/video input interface 5 is an HDMI interface, and the power supply interface 6 is a type-c interface.

Further, the main display device M and the sub display device N each include an illumination LED lamp 8 on the top or side of the housing 1, wherein the illumination LED lamp 8 is connected to the main control board 3, and the main control board 3 further includes a voice control module and a light control module, and can implement on/off, sound size adjustment, display brightness adjustment, pause, forward movement, backward movement, previous song, next song, audio/video resource search and play, menu search and play, encyclopedia knowledge search and play, weather broadcast, temperature broadcast, humidity broadcast, illumination LED lamp 8 brightness adjustment, and illumination LED lamp 8 on or off through voice instructions; when the ambient illumination brightness is lower than the set value of the light control module, the illumination LED lamp 8 can be lightened along with the starting of the display screen 2; the brightness of the lighting LED lamp 8 can be adjusted to 6 or more adjustable light, preferably 6, 8, 10, 12, 16, 20, 30, 50, 60, 80 and 100 adjustable light.

Further, the working modes of the lighting LED lamp 8 can also be adjusted through a mobile phone APP, at least the working mode comprises a first mode, and only the display screen 2 works; in the second mode, only the illumination LED lamp 8 works; and in the third mode, the display screen 2 and the lighting LED lamp 8 work.

Further, the brightness of the lighting LED lamp 8 can also be adjusted by the mobile phone APP, and can be adjusted to light 6 th and above, preferably, 6 th, 8 th, 10 th, 12 th, 16 th, 20 th, 30 th, 50 th, 60 th, 80 th and 100 th.

Further, the off delay time T1 of the illumination LED lamp 8 can also be adjusted individually by the mobile phone APP, the adjustment range T is 0s-999s, and the preferred values of T are 0s, 1s, 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s, 10s, 20s, 26s, 28s, 30s, 32s, 36s, 40s, 50s, 60s, 80s, 100s, 120s, 200s, 600s, 800s, 999s, and step by step is 1 s.

The invention has the beneficial effects that:

firstly, the people can automatically reduce the volume when approaching and automatically increase the volume when keeping away, and the hearing is not easy to be damaged when approaching and can be clearly heard when keeping away.

Secondly, when people frequently move in a plurality of rooms, the main display device M and the plurality of sub display devices N are placed in different rooms, and the display devices close to the people are automatically started, so that programs are continuously watched.

And thirdly, when the person leaves for a period of time, the display equipment is automatically closed or automatically delayed to be closed, so that the electric energy is saved.

Fourthly, the voice control and the operation can be realized through voice commands, and the operation is convenient and sanitary when dirt such as oil stains and the like exist on the hands of the person doing housework.

And fifthly, when the ambient illumination brightness is dark, the illumination LED lamp is automatically turned on, so that the damage of the display screen to the eyesight is reduced.

Sixthly, the intelligent lighting function can be realized, the independent installation of intelligent lighting equipment is not needed, the space occupation is reduced, and the installation is convenient.

Drawings

Fig. 1 is an external view of an embodiment of the invention.

Fig. 2 is a schematic diagram of a structural principle of an embodiment of the present invention.

FIG. 3 is a control flow chart according to an embodiment of the present invention.

In the figure, 1-shell, 2-display screen, 3-main control board, 4-loudspeaker, 5-audio and video input interface, 6-power interface, 7-operation key, 8-lighting LED lamp, 9-human body induction module.

Detailed Description

For the purpose of enhancing the understanding of the present invention, the present invention will be further described with reference to the following examples and the accompanying drawings, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.

The first embodiment.

As shown in fig. 1.

An intelligent audio-visual system comprises a main display device M and a sub-display device N, wherein the main display device M and the sub-display device N respectively comprise a shell 1, a display screen 2 on the front surface of the shell 1, a main control board 3 and a loudspeaker 4 in the shell 1, and an audio-visual input interface 5, a power interface 6 and an operation key 7 on the side surface of the shell 1, wherein the display screen 2, the loudspeaker 4, the audio-visual input interface 5, the power interface 6 and the operation key 7 are respectively connected with the main control board 3; the main control board 3 further comprises a wireless communication module, a human body induction module 9 is arranged on the side face or inside the shell 1, the human body induction module 9 is connected with the main control board 3, and the main display device M and the sub display device N are communicated through the wireless communication module; the main display device M can be connected with a mobile phone or a computer through the audio and video input interface 5 or the wireless communication module, and the main display device M and the sub display device N can display pictures displayed on a mobile phone screen or a computer screen in real time; the human body in the detection range is detected by the human body sensing module 9, and a corresponding display strategy is executed according to the detection result.

The wireless communication module is a WIFI communication module, the main display device M has a wireless routing function, and the mobile phone can surf the internet through a WIFI signal connected with the main display device M to acquire audio and video resources.

The sensor used by the human body induction module 9 is a radar sensor.

The human body induction module 9 can detect the distance L between the human body and the human body, the detection range is more than or equal to 0.5 m and less than or equal to 10 m, the volume is adjusted according to the detection distance L, the sound is small when the distance is close, the sound is large when the distance is far, 20% volume is corresponded within 1 m, 30% volume is corresponded to 1 m, 40% volume is corresponded to 2 m, 50% volume is corresponded to 3 m, 60% volume is corresponded to 4 m, 70% volume is corresponded to 5 m, 80% volume is corresponded to 6 m, 90% volume is corresponded to 7 m, and 100% volume is corresponded to 8 m.

The detection distance L can be adjusted through a mobile phone APP, the adjustment range is more than or equal to 0.5 m and less than or equal to 10 m, and the step length is 0.1 m; the working mode can be adjusted, including a first mode, the main display device M displays all the time, the sub display device N displays when sensing that the distance between people is less than or equal to L, and the sub display device N is closed when the distance between people is greater than L; in the second mode, the main display device M is turned off when sensing that the distance between people is less than or equal to L, the sub display device N is turned off when sensing that the distance between people is less than or equal to L, and the sub display device N is turned off when sensing that the distance between people is greater than L; the closing delay time T of the main display device M and the sub display device N can also be adjusted through the mobile phone APP, the adjusting range T is 0s-200s, and the step is 1 s; when the distance between the main display device M and the sub display device N is larger than L and the closing instruction is executed, the main display device M or the sub display device N is closed after the delay time T; for example, when the mode is set as the first mode, L is set to be 3 meters, and T is set to be 10s, the main display device M displays all the time, the sub display device N displays when sensing that the distance between people is less than or equal to 3 meters, and automatically turns off after delaying for 10s when the distance is greater than 3 meters.

The number of the sub-display devices N is 6, the sub-display devices N can be placed in 6 different rooms or different positions of a larger room, the audio and video input interface 5 is an HDMI interface, and the power supply interface 6 is a type-c interface.

The main display device M and the sub display device N both comprise an illumination LED lamp 8 on the top of the shell 1, wherein the illumination LED lamp 8 is connected with the main control panel 3; the main control board 3 also comprises a voice control module and a light control module, and can realize startup and shutdown, sound size adjustment, display brightness adjustment, pause, forward movement, backward movement, previous music, next music, audio and video resource search and play, menu search and broadcast, encyclopedia knowledge search and broadcast, weather broadcast, temperature broadcast, humidity broadcast, illumination LED lamp 8 brightness adjustment and illumination LED lamp 8 on or off through voice instructions; for example, if a person says ' turn-on ' to turn on, if a person says ' turn-off ' to turn off, if a person says ' increase volume ', the sound becomes larger, if a person says ' decrease volume ', the sound becomes smaller, if a person says ' increase brightness ', the brightness becomes higher, if a person says ' decrease brightness ', the brightness becomes weaker, if a person says ' pause ', the playing is paused, if a person says ' advance ', the sound goes forward at 2 times, if a person says ' retreat ', the sound goes backward at 2 times, if a person says ' previous song ', the previous song is played, if a person says ' next song ', the next song is played, if a person says ' play science and technology news ' play two days ' the latest science and technology news, if a person says ' red-burned eggplant does ' the red-burned eggplant, the searching and broadcasting menu are performed, if a person says ' corn steaming time ' the most, the related answers are automatically searched and broadcasted, if a person says ' north weather ', the current weather is broadcasted, if a person says ' north weather ', the weather is broadcasted, When saying "humidity", the current outdoor humidity is reported, when saying "increase the illumination brightness", the brightness of the illumination LED lamp 8 is enhanced by one, when saying "decrease the illumination brightness", the brightness of the illumination LED lamp 8 is weakened by one, when saying "turn off the illumination", the illumination LED lamp 8 is turned off, when saying "turn on the illumination", the illumination LED lamp 8 is turned on; when the ambient illumination brightness is lower than the set value of the light control module, the illumination LED lamp 8 can be lightened along with the starting of the display screen 2; the brightness of the illumination LED lamp 8 can be adjusted by 10 steps.

The working modes of the illumination LED lamp 8 can also be adjusted through a mobile phone APP, including a first mode, and only the display screen 2 works; in the second mode, only the illumination LED lamp 8 works; and in the third mode, the display screen 2 and the lighting LED lamp 8 work.

The 8 luminance of illumination LED lamp also can adjust through cell-phone APP, can adjust luminance 10 shelves.

The turning-off delay time T1 of the lighting LED lamp 8 can also be independently adjusted through a mobile phone APP, the adjusting range T is 0s-200s, and the stepping time is 1 s.

The structure principle of the intelligent audio-video system is shown in fig. 2, and the control flow chart is shown in fig. 3.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.