CN111598052B - An intelligent picture frame and control method based on multi-dimensional perception - Google Patents

Abstract

The invention discloses an intelligent picture frame based on multidimensional sensing and a control method, and relates to the technical field of intelligent picture frames. The inside of the picture frame is fixedly provided with a touch display screen, the rear end of the picture frame is fixedly provided with a rear end cover, one side of the touch display screen, which is close to the top end, is provided with a camera and an ambient light sensor, and the bottom end of the same side is provided with a power key and an adjusting button; the top end of the touch display screen is provided with a recording hole and a sound, and the outer side wall of one side of the rear end cover is provided with a central processing module and a battery module; the center processing module is internally provided with a digital signal processor, and the camera and the ambient light sensor are electrically connected with the center processing module through the digital signal processor. The system is started after the identity of the user is judged through face recognition, is suitable for daily management and explanation work of libraries, exhibition halls, science and technology halls and automatic workshops, and has good display effect on audiences with different physical conditions.

Description

A smart picture frame and control method based on multi-dimensional perception

technical field

The invention relates to the technical field of intelligent picture frames, in particular to an intelligent picture frame based on multi-dimensional perception and a control method.

Background technique

With the continuous popularization of smart devices, people's daily life and behavior activities are more and more closely connected with smart devices, and many articles in human life are also more and more connected with smart devices. For example, traditional picture frames are Decorative utensils used to mount calligraphy and paintings to achieve a decorative effect, but with the continuous development of science and technology, smart picture frames also come out in due course. The smart picture frame combined with Internet communication technology can call the calligraphy and paintings in the art database, so that people can enjoy world famous paintings at any time in their daily life, and it also has a certain impact on family education.

The existing technology has the following deficiencies: the application range of the existing smart picture frame is limited to home use, and when it is used in art exhibitions or interpretation work, the use limitations are large, lack of multi-dimensional perception, poor user experience, and staff It is also relatively inconvenient to operate and use.

Contents of the invention

For this reason, the present invention provides a kind of intelligent picture frame and control method based on multi-dimensional perception. Through the face recognition module provided, the face image information and audio information of the user are respectively collected by the camera and the recording hole, and are processed by a digital signal processor. After processing the face image information and audio information, it is used to identify the identity of the user, and the user identity is encoded and then output to the central processing module. The central processing module calls the face information and audio stored in the cloud database through the communication module. After the information is compared with the information of the user, it is judged whether it belongs to the personnel information stored in the cloud database. Then, after the central processing module determines that it belongs to the personnel information stored in the cloud database, it can trigger the system to start up, and judge the user information through face recognition. After confirming the identity of the user, the system will be turned on according to the specific mode and content. The mechanical structure of the present invention ensures that user groups with different sight heights and angles, such as wheelchair users and children, can use the picture frame of the present invention conveniently. At the same time, according to the inventive content and working principle of the present invention, devices for different application scenarios can be customized for users according to user needs. details as follows:

Application scenario one, museums. The lecturer makes picture album materials according to his own knowledge and ability level, and stores them in the picture frame of the present invention. When carrying out the explaining work, the picture frame of the present invention quickly identifies the identity of the explainer, and plays the picture album materials prepared by him in advance. The above-mentioned process can effectively protect the intellectual property rights of the guides, and at the same time enhance the service level competition among the guides.

Application scenario two, science and technology museum. It is used to display the relevant information of an exhibit in a hierarchical manner, that is, according to the age of the viewer, play the audio-visual content suitable for the age of the viewer, and at the same time guess the visible height of the picture frame that meets the age group, and adjust it to the height automatically or manually.

Application scenario three, automated workshop. It is used for operators to punch in and sign in, and at the same time display the output, efficiency, pass rate and other information in the past period of time, and convey the current and future tasks. The invention can protect the privacy of workers.

In order to achieve the above object, the present invention provides the following technical solution: a smart picture frame based on multi-dimensional perception, including a frame, a touch display screen is fixedly installed inside the frame, and a rear end is fixedly installed at the rear end of the touch display screen Cover, the frame, the touch display screen and the rear end cover constitute the main body of the picture frame, a camera and an ambient light sensor are provided on one side of the touch display screen near the top, and a Power key and adjustment button, the top of the touch screen is provided with a recording hole and a sound;

A central processing module and a battery module are provided on the side wall of the touch display screen close to the rear end cover, and the central processing module is electrically connected to the battery module, the central processing module has a built-in digital signal processor, and the camera and the environment The optical sensor is electrically connected to the central processing module through a digital signal processor. One side of the central processing module is electrically connected to a communication module, and the communication module is connected to a user terminal and a cloud database through the Internet. One side of the central processing module The face recognition module is electrically connected, and the face recognition module is connected to the central processing module through the I/O interface. The recording hole and the sound constitute an audio output module, and the audio output module is electrically connected to the central processing module.

Further, the model of the central processing module is selected from the MCS-51 series and its enhanced series of single-chip microcomputers, and the central processing module communicates with the touch screen through the HDMI interface.

Further, a data interface is provided on one side of the outer wall of the touch display screen.

Further, the Internet selects one or more of wireless WIFI, wireless GPRS, and wireless 4G.

Further, the face recognition module is composed of a camera, a digital signal processor and a recording hole.

Further, a bracket assembly is fixed on one side of the outer wall of the rear end cover, and the bracket assembly includes a base plate, and four corners of the side of the base plate are fixed with poles by bolts, and the four The ends of the poles are all provided with a base, one side of the base is fixedly connected with a spring, the other end of the spring is fixedly connected with a clip, and the rear end cover is embedded in the four clips. between.

Further, the outer surface of the base plate is fixedly provided with reinforcing ribs, and a bolt on one side of the outer wall of the base plate is fixed with a first rotating shaft, and a first connecting arm is provided on the first rotating shaft, and the first connecting arm is far away from the first connecting arm. One end of a rotating shaft is fixedly provided with a shaft seat, and a second connecting arm is fixedly provided on the shaft seat, the end of the second connecting arm is fixedly provided with a second rotating shaft, and one side of the second rotating shaft is fixedly provided with a mounting plate.

The present invention also includes a control method for an intelligent picture frame based on multi-dimensional perception, and the specific steps are as follows:

S1. The user presses the power button on the touch screen to turn on the touch screen, and then triggers the start of the face recognition module;

S2. The face image information and audio information of the user are collected respectively by the camera and the recording hole, and the face image information and audio information are processed by the digital signal processor and used to identify the user and identify the user. After encoding, output to the central processing module;

S3. After the central processing module calls the face information and audio information stored in the cloud database through the communication module and compares it with the information of the user, it judges whether it belongs to the personnel information stored in the cloud database;

S4. After the central processing module determines that it belongs to the personnel information stored in the cloud database, it triggers the system to start up. The central processing module sends a request to the user's client through the communication module, and the client reads the required display content and audio content from the cloud database. Then decode the received display content file and audio file, and then the sender touches the display screen to display and play at the audio output module;

S5. The ambient light sensor perceives the change of the ambient light intensity. After the measured analog signal is processed by the digital signal processor, the digital signal is transmitted to the central processing module. The central processing module controls the screen brightness of the touch display to adapt to the ambient light intensity. Variety.

The present invention has the following advantages:

1. Through the set face recognition module, the camera and the recording hole respectively collect the face image information and audio information of the user, and the face image information and audio information are processed by the digital signal processor and used to identify the user. Identity recognition, code the user’s identity and output it to the central processing module. The central processing module calls the face information and audio information stored in the cloud database through the communication module and compares it with the user’s information to determine whether it belongs to the cloud database. Then, after the central processing module judges that it belongs to the personnel information stored in the cloud database, it can trigger the system to start up, and then turn on the system after judging the user's identity through face recognition. It is suitable for libraries, exhibition halls, science and technology The daily management and interpretation of museums and automated workshops;

2. When installing the picture frame assembly with the designated installation interface through the set bracket assembly, pull the touch screen outward or push the touch screen inward, so that the first connecting arm and the second connecting arm are stretched or folded. Adjust the position of the touch screen to adapt to the exhibition or explanation work. The overall structure has high flexibility and is easy to operate. It has a good display effect for audiences with different physical conditions.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Apparently, the drawings in the following description are only exemplary, and those skilled in the art can also obtain other implementation drawings according to the provided drawings without creative work.

The structures, proportions, sizes, etc. shown in this manual are only used to cooperate with the content disclosed in the manual, so that people familiar with this technology can understand and read, and are not used to limit the conditions for the implementation of the present invention, so there is no technical In the substantive meaning above, any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the functions and objectives of the present invention. within the range that can be covered.

Fig. 1 is the front view that the present invention provides;

Fig. 2 is the front view of the bracket assembly provided by the present invention;

Fig. 3 is the top view that the present invention provides;

Fig. 4 is the perspective view of the picture frame main body provided by the present invention;

Fig. 5 is a system block diagram provided by the present invention;

Fig. 6 is a block diagram of the face recognition process provided by the present invention;

Explanation of reference signs: 1. frame; 2. touch display screen; 3. rear cover; 4. camera; 5. ambient light sensor; 6. power key; 7. adjustment button; 8. recording hole; 9. audio; 10. Data interface; 11. Central processing module; 12. Battery module; 13. Digital signal processor; 14. Communication module; 15. Client; 16. Cloud database; 17. Audio output module; 18. Substrate; 19. Strut; 20, base; 21, spring; 22, clamping plate; 23, reinforcing rib; 24, first rotating shaft; 25, first connecting arm; 26, axle seat; 27, second connecting arm; 28, the first Two rotating shafts; 29, a mounting plate; 30, a face recognition module.

Detailed ways

The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Referring to the accompanying drawings 4-6 of the specification, a smart picture frame based on multi-dimensional perception in this embodiment includes a frame 1, a touch display screen 2 is fixedly installed inside the frame 1, and the rear end of the touch display screen 2 is fixed A rear end cover 3 is installed, and the frame 1, the touch display screen 2 and the rear end cover 3 constitute the frame main body, and one side of the touch display screen 2 is provided with a camera 4 and an ambient light sensor 5 near the top, and touch One side of the display screen 2 near the bottom is provided with a power key 6 and an adjustment button 7, and the top of the touch display screen 2 is provided with a recording hole 8 and a sound box 9;

A central processing module 11 and a battery module 12 are provided on the outer side wall of the touch display screen 2 close to the rear end cover 3, and the central processing module 11 is electrically connected to the battery module 12, and the central processing module 11 has built-in digital signal processing device 13, the camera 4 and the ambient light sensor 5 are electrically connected to the central processing module 11 through the digital signal processor 13, and one side of the central processing module 11 is electrically connected to the communication module 14, and the communication module 14 is connected through the Internet There is a client terminal 15 and a cloud database 16, one side of the central processing module 11 is electrically connected to a face recognition module 30, and the face recognition module 30 is connected to the central processing module 11 through an I/O interface, and the recording hole 8 Constitute the audio output module 17 with the audio system 9, and the audio output module 17 is electrically connected with the central processing module 11;

Further, the model of the central processing module 11 is MCS-51 series and its enhanced series single-chip microcomputer, and the central processing module 11 communicates with the touch display screen 2 through the HDMI interface.

Further, a data interface 10 is provided on one side of the outer wall of the touch display screen 2, and the files in the client terminal 15 can be retrieved through the data cable in the case of a poor network.

Further, the Internet selects one or more of wireless WIFI, wireless GPRS, and wireless 4G.

Further, the face recognition module 30 is composed of a camera 4 , a digital signal processor 13 and a recording hole 8 .

A method for controlling an intelligent picture frame based on multi-dimensional perception, the specific steps are as follows:

S1. The user presses the power button 6 on the touch display 2 to turn on the touch display 2, and then triggers the face recognition module 30 to start;

S2, the face image information and audio information of the user are collected respectively by the camera 4 and the recording hole 8, and the face image information and audio information are processed by the digital signal processor 13 to be used for identification of the user, and for the user The identity of the person is encoded and output to the central processing module 11;

S3, after the central processing module 11 calls the face information and the audio information stored in the cloud database 16 by the communication module 14 and compares it with the information of the user, judge whether it belongs to the personnel information stored in the cloud database 16;

S4, after the central processing module 11 determines that it belongs to the personnel information stored in the cloud database 16, the trigger system starts, the central processing module 11 sends a request to the user's client 15 through the communication module 14, and the client 15 reads the required information from the cloud database 16. display content and audio content, and then the sender touches the display screen 2 to display and play at the audio output module 17 after the received display content file and audio file are decoded;

S5, the ambient light sensor 5 perceives the change of the ambient light intensity, and after the measured analog signal is processed by the digital signal processor 13, the digital signal is transmitted to the central processing module 11, and the screen brightness of the touch display screen 2 is controlled by the central processing module 11. Adapt to changes in ambient light intensity.

Example 1

The guides in the exhibition hall of the library make picture book materials according to their own ability levels, and store them in the picture frame of the present invention. When carrying out the explaining work, the picture frame of the present invention quickly identifies the identity of the explainer, and plays the picture album materials prepared by him in advance. The above-mentioned process can effectively protect the intellectual property rights of the guides, and at the same time enhance the service level competition among the guides.

On the other hand, when the audience watches the picture frame, the audience's spatial position, body posture and psychological state will change, which will affect the viewing effect; during the display process, the picture frame dynamically perceives the multi-dimensional information of the surrounding audience, including : user identity, standing position, straight-line distance, visual height, mental state of the user; furthermore, according to the above information, the optimized display height, display angle, and playback speed are calculated in real time, and the bracket assembly is controlled by the central processing module (11) , adjust the touch screen (2) to the optimized state, so that the viewer can dynamically obtain the best viewing effect; when there are multiple viewers at the same time, the frame will provide multiple mode options: priority is to ensure that one person can obtain the best viewing Effect, alternating to ensure that one person gets the best viewing effect, and ensuring the best average viewing effect. The above process can significantly improve the visual comfort of the viewer and improve the efficiency of information transmission.

Specifically: when the present invention is used, the user presses the power key 6 on the touch display screen 2 to turn on the touch display screen 2, and then triggers the face recognition module 30 to start, and the camera 4 and the recording hole 8 collect the user's personal information respectively. Face image information and audio information are used to identify the user after the digital signal processor 13 processes the face image information and audio information, and output to the central processing module 11 after the user identity is encoded, and the central processing After the module 11 calls the face information and audio information stored in the cloud database 16 through the communication module 14 and compares it with the information of the user, it judges whether it belongs to the personnel information stored in the cloud database 16, and then the central processing module 11 determines whether it belongs to the cloud database. After storing the personnel information in the database 16, the trigger system starts, and the central processing module 11 sends a request to the user's client 15 through the communication module 14, and the client 15 reads the required display content and audio content from the cloud database 16, and then the After the received display content file and audio file are decoded, the sender touches the display screen 2 to display and play at the audio output module 17, and then the ambient light sensor 5 senses the change in the ambient light intensity and processes the measured analog signal through the digital signal processor 13 After the digital signal is transmitted to the central processing module 11, the screen brightness of the touch display screen 2 can be adapted to the change of the ambient light intensity by the central processing module 11, and the system is turned on after judging the user's identity by face recognition, and then During the display process, perceive the physical and mental state of the viewer.

Referring to the accompanying drawings 1-3 of the specification, a smart picture frame based on multi-dimensional perception in this embodiment, one side of the outer wall of the rear end cover 3 is fixed with a bracket assembly, and the bracket assembly includes a base plate 18, and the base plate The four corners of one side of the outer wall of 18 are all fixed with struts 19 by bolts, and the ends of the four struts 19 are all provided with a base 20, and one side of the base 20 is fixedly connected with a spring 21, The other end of the spring 21 is fixedly connected with clamping plates 22 , and the rear end cover 3 is embedded between the four clamping plates 22 .

Further, the outer surface of the base plate 18 is fixedly provided with reinforcing ribs 23, and one side of the outer wall of the base plate 18 is bolted with a first rotating shaft 24, and the first rotating shaft 24 is provided with a first connecting arm 25. The end of the first connecting arm 25 away from the first rotating shaft 24 is fixedly provided with a shaft seat 26, and the shaft seat 26 is fixedly provided with a second connecting arm 27, and the end of the second connecting arm 27 is fixedly provided with a second rotating shaft 28 , one side of the second rotating shaft 28 is fixedly provided with a mounting plate 29;

The specific implementation scenario is: the rear end cover 3 of the touch screen 2 is embedded in the clamping plates 22 corresponding to the four poles 19, and at the same time, the spring 21 between the clamping plates 22 and the base 20 is ensured to be in a compressed state. At this time, the touch display screen 2 is installed on the substrate 18, and one side of the substrate 18 is fixedly connected with the first connecting arm 25 and the second connecting arm 27 through the shaft seat 26, and the first connecting arm 25 and the second connecting arm 27 are mutually movable. Rotation fit, the first connecting arm 25 is fixedly linked with the base plate 18 through the first rotating shaft 24, and the second connecting arm 27 is connected with the mounting plate 29 through the second rotating shaft 28. Subsequently, after the mounting plate 29 is correspondingly installed on the designated place, Pull the touch screen 2 from the outside or push the touch screen 2 inward, so that the first connecting arm 25 and the second connecting arm 27 are stretched or folded to adjust the position of the touch screen 2 to adapt to the exhibition or explanation work, and the overall structure has high flexibility , easy to operate.

working principle:

Referring to accompanying drawings 4-6 of the description, the user presses the power button 6 on the touch display 2 to turn on the touch display 2, and then triggers the face recognition module 30 to start, and the camera 4 and the recording hole 8 collect the user's personal information respectively. Face image information and audio information are used to identify the user after the digital signal processor 13 processes the face image information and audio information, and output to the central processing module 11 after the user identity is encoded, and the central processing After the module 11 calls the face information and audio information stored in the cloud database 16 through the communication module 14 and compares it with the information of the user, it judges whether it belongs to the personnel information stored in the cloud database 16, and then the central processing module 11 determines whether it belongs to the cloud database. After storing the personnel information in the database 16, the trigger system starts, and the central processing module 11 sends a request to the user's client 15 through the communication module 14, and the client 15 reads the required display content and audio content from the cloud database 16, and then the The received display content file and the audio file are decoded and the sender touches the display screen 2 to display and play at the audio output module 17;

Referring to the accompanying drawings 1-3 in the specification, when installing the picture frame assembly through the bracket assembly and the designated installation interface, pull the touch screen 2 outward or push the touch screen 2 inward, so that the first connecting arm 25 and the second connecting arm 27 are stretched Or fold to adjust the position of the touch display screen 2 to adapt to the exhibition or explanation work, the overall structure is flexible, and the adjustment range is wide.

Example 2

Based on the application and working principle of the museum in Embodiment 1, the system and device of the present invention are customized to be applicable to the implementation of the scene of the science and technology museum, and the relevant information of a certain exhibit is displayed in a hierarchical manner, that is, according to the age of the viewer, the audio-visual content suitable for his age is played , and at the same time guess the visible height of the picture frame that meets the age group, and adjust it to the height automatically or manually;

Specifically: when the present invention is used, the user presses the power key 6 on the touch display screen 2 to turn on the touch display screen 2, and then triggers the face recognition module 30 to start, and the camera 4 and the recording hole 8 collect the user's personal information respectively. Face image information and audio information are used to identify the user after the digital signal processor 13 processes the face image information and audio information, and output to the central processing module 11 after the user identity is encoded, and the central processing After the module 11 calls the face information and audio information stored in the cloud database 16 through the communication module 14 and compares it with the information of the user, it judges whether it belongs to the personnel information stored in the cloud database 16, and then the central processing module 11 determines whether it belongs to the cloud database. After storing the personnel information in the database 16, the trigger system starts, and the central processing module 11 sends a request to the user's client 15 through the communication module 14, and the client 15 reads the required display content and audio content from the cloud database 16, and then the After the received display content file and audio file are decoded, the sender touches the display screen 2 to display and play at the audio output module 17, and then the ambient light sensor 5 senses the change in the ambient light intensity and processes the measured analog signal through the digital signal processor 13 After the digital signal is transmitted to the central processing module 11, the screen brightness of the touch display screen 2 can be controlled by the central processing module 11 to adapt to the change of the ambient light intensity. After the user's identity is judged by face recognition, the system is turned on to adapt to the science and technology museum. According to the age of the user, picture files and audio files can be called through the client terminal 15 and the cloud database 16 to play audio-visual content suitable for their age, and at the same time guess the visual height of the picture frame that meets the age group. Automatic or manual adjustment to this height provides high operational flexibility. Therefore, it can be used to display relevant information of a certain exhibit in a hierarchical manner.

Example 3

Based on the application and working principle of the museum in Example 1, the system and device of the present invention are customized to be applicable to the implementation of the automated workshop scene, for operators to punch in and sign in, and at the same time display information such as output, efficiency, and pass rate in the past period of time. And communicate current and future tasks, the invention can protect workers' privacy;

Specifically: when the present invention is used, the user presses the power key 6 on the touch display screen 2 to turn on the touch display screen 2, and then triggers the face recognition module 30 to start, and the camera 4 and the recording hole 8 collect the user's personal information respectively. Face image information and audio information are used to identify the user after the digital signal processor 13 processes the face image information and audio information, and output to the central processing module 11 after the user identity is encoded, and the central processing After the module 11 calls the face information and audio information stored in the cloud database 16 through the communication module 14 and compares it with the information of the user, it judges whether it belongs to the personnel information stored in the cloud database 16, and then the central processing module 11 determines whether it belongs to the cloud database. After storing the personnel information in the database 16, the trigger system starts, and the central processing module 11 sends a request to the user's client 15 through the communication module 14, and the client 15 reads the required display content and audio content from the cloud database 16, and then the After the received display content file and audio file are decoded, the sender touches the display screen 2 to display and play at the audio output module 17, and then the ambient light sensor 5 senses the change in the ambient light intensity and processes the measured analog signal through the digital signal processor 13 After the digital signal is transmitted to the central processing module 11, the screen brightness of the touch display screen 2 can be controlled by the central processing module 11 to adapt to the change of the ambient light intensity. After the identity of the user is judged by face recognition, the system is turned on to adapt to the automatic workshop. The check-in management and post work information of the operator, and according to the position of the user, the picture file and audio file can be called through the client terminal 15 and the cloud database 16, showing the output, efficiency, pass rate and other information in the past period of time, and conveying High operational flexibility for current and future tasks. Thus realizing the information management of the operators in the automated workshop;

Referring to the accompanying drawings 1-3 of the specification, a smart picture frame based on multi-dimensional perception in this embodiment, one side of the outer wall of the rear end cover 3 is fixed with a bracket assembly, and the bracket assembly includes a base plate 18, and the base plate The four corners of one side of the outer wall of 18 are all fixed with struts 19 by bolts, and the ends of the four struts 19 are all provided with a base 20, and one side of the base 20 is fixedly connected with a spring 21, The other end of the spring 21 is fixedly connected with a clip 22, and the rear end cover 3 is embedded between the four clips 22;

Further, the outer surface of the base plate 18 is fixedly provided with reinforcing ribs 23, and one side of the outer wall of the base plate 18 is bolted with a first rotating shaft 24, and the first rotating shaft 24 is provided with a first connecting arm 25. The end of the first connecting arm 25 away from the first rotating shaft 24 is fixedly provided with a shaft seat 26, and the shaft seat 26 is fixedly provided with a second connecting arm 27, and the end of the second connecting arm 27 is fixedly provided with a second rotating shaft 28 , one side of the second rotating shaft 28 is fixedly provided with a mounting plate 29;

The specific implementation scenario is: the rear end cover 3 of the touch screen 2 is embedded in the clamping plates 22 corresponding to the four poles 19, and at the same time, the spring 21 between the clamping plates 22 and the base 20 is ensured to be in a compressed state. At this time, the touch display screen 2 is installed on the substrate 18, and one side of the substrate 18 is fixedly connected with the first connecting arm 25 and the second connecting arm 27 through the shaft seat 26, and the first connecting arm 25 and the second connecting arm 27 are mutually movable. Rotation fit, the first connecting arm 25 is fixedly linked with the base plate 18 through the first rotating shaft 24, and the second connecting arm 27 is connected with the mounting plate 29 through the second rotating shaft 28. Subsequently, after the mounting plate 29 is correspondingly installed on the designated place, Pull the touch screen 2 from the outside or push the touch screen 2 inward, so that the first connecting arm 25 and the second connecting arm 27 are stretched or folded to adjust the position of the touch screen 2 to adapt to the work of the automated workshop operator, and the overall structure is flexible. High, easy to operate.

Although the present invention has been described in detail with general descriptions and specific examples above, it is obvious to those skilled in the art that some modifications or improvements can be made on the basis of the present invention. Therefore, the modifications or improvements made on the basis of not departing from the spirit of the present invention all belong to the protection scope of the present invention.

Claims (7)

1. An intelligent picture frame based on multidimensional sensing, comprises a frame (1), and is characterized in that: the novel portable electronic device is characterized in that a touch display screen (2) is fixedly installed inside the frame (1), a rear end cover (3) is fixedly installed at the rear end of the touch display screen (2), the frame (1), the touch display screen (2) and the rear end cover (3) form a picture frame main body, a camera (4) and an ambient light sensor (5) are arranged at one side of the touch display screen (2) close to the top end, a power key (6) and an adjusting button (7) are arranged at one side of the touch display screen (2) close to the bottom end, and a recording hole (8) and a sound box (9) are arranged at the top end of the touch display screen (2);

the touch display screen (2) is provided with a central processing module (11) and a battery module (12) on the outer side wall of one side, close to the rear end cover (3), of the touch display screen, the central processing module (11) is electrically connected with the battery module (12), a digital signal processor (13) is arranged in the central processing module (11), the camera (4) and the ambient light sensor (5) are electrically connected with the central processing module (11) through the digital signal processor (13), one side of the central processing module (11) is electrically connected with a communication module (14), the communication module (14) is connected with a user end (15) and a cloud database (16) through the Internet, one side of the central processing module (11) is electrically connected with a face recognition module (30), the face recognition module (30) is connected with the central processing module (11) through an I/O interface, the recording hole (8) and the sound box (9) form an audio output module (17), and the audio output module (17) is electrically connected with the central processing module (11).

In the display process of the picture frame, the multi-dimensional information of surrounding audiences is dynamically perceived, and the picture frame comprises: user identity, standing position, straight line distance, visual height, mental state of the user; furthermore, according to the information, the optimized display height, display angle and play speed are calculated in real time, the central processing module (11) controls the bracket component, and the touch display screen (2) is adjusted to an optimized state, so that a viewer dynamically obtains the optimal viewing effect; when there are multiple viewers at the same time, the frame will provide multiple mode selections: preferentially ensuring that 1 person obtains the best viewing effect, viewers obtain the best viewing effect in turn, and ensuring that the average viewing effect is the best;

the model of the central processing module (11) is selected from MCS-51 series and enhanced series single-chip microcomputer thereof, and the central processing module (11) is communicated with the touch display screen (2) through an HDMI interface; the central processing module (11) is tightly fixed outside the rear end cover (3) through glue filling encapsulation; all signal lines are hidden inside the picture frame to ensure beautiful appearance and safety.

2. The intelligent picture frame based on multidimensional sensing as recited in claim 1, wherein: a data interface (10) is arranged on the outer side wall of one side of the touch display screen (2); the outside of the data interface (10) is also provided with a protective sleeve or a protective shell for preventing foreign matters from entering in a non-use state.

3. The intelligent picture frame based on multidimensional sensing as recited in claim 1, wherein: the Internet adopts one or more modes of wireless WIFI, wireless GPRS, wireless 4G and wireless 5G; when the external network can not be connected, the picture frame display function is still provided.

4. The intelligent picture frame based on multidimensional sensing as recited in claim 1, wherein: the face recognition module (30) consists of a camera (4), a digital signal processor (13) and a recording hole (8); after the face recognition module (30) collects face data of the viewer, the information of the age of the viewer is obtained, the central processing module (11) plays video and audio contents suitable for the age of the viewer, and meanwhile, the visual height of a picture frame conforming to the age range is estimated, and the picture frame is automatically or manually adjusted to the height.

5. The intelligent picture frame based on multidimensional sensing as recited in claim 1, wherein: the novel rear end cover is characterized in that a support assembly is fixedly arranged on the outer side wall of one side of the rear end cover (3), the support assembly comprises a base plate (18), supporting rods (19) are fixedly arranged at four corners of the outer side wall of one side of the base plate (18) through bolts, bases (20) are respectively arranged at the end parts of the supporting rods (19), a spring (21) is fixedly connected to one side of the bases (20), a clamping plate (22) is fixedly connected to the other end part of the spring (21), and the rear end cover (3) is embedded between the four clamping plates (22).

6. The intelligent picture frame based on multidimensional sensing as recited in claim 5, wherein: the outer surface fixation of base plate (18) is equipped with strengthening rib (23), and one side lateral wall bolt fastening of base plate (18) has first pivot (24), be equipped with first linking arm (25) on first pivot (24), the one end that first linking arm (25) kept away from first pivot (24) is fixed to be equipped with axle bed (26), and is fixed on axle bed (26) to be equipped with second linking arm (27), the end fixing of second linking arm (27) is equipped with second pivot (28), one side of second pivot (28) is fixed and is equipped with mounting panel (29).

7. The intelligent picture frame method based on multidimensional sensing according to any one of claims 1-6, wherein: the control method of the intelligent picture frame based on multidimensional sensing comprises the following specific steps:

s1, a user presses a power key (6) on a touch display screen (2) to start the touch display screen (2), and then the face recognition module (30) is triggered to start;

s2, acquiring face image information and audio information of a user by a camera (4) and a recording hole (8), processing the face image information and the audio information by a digital signal processor (13), identifying the identity of the user, encoding the identity of the user, and outputting the encoded identity to a central processing module (11);

s3, the central processing module (11) calls the face information and the audio information stored in the cloud database (16) through the communication module (14) and compares the face information and the audio information with the information of the user, and then judges whether the information belongs to the personnel information stored in the cloud database (16);

s4, after the central processing module (11) judges that the system is started after the personnel information stored in the cloud database (16) is judged, the central processing module (11) sends a request to a user terminal (15) of a user through the communication module (14), the user terminal (15) reads required display content and audio content from the cloud database (16), and then the received display content file and the audio file are decoded and then displayed by a sender touch display screen 2 and played at an audio output module 17;

s5, the ambient light sensor 5 senses the change of the ambient light intensity, the measured analog signal is processed by the digital signal processor (13) and then is transmitted to the central processing module (11), and the central processing module (11) controls the screen brightness of the touch display screen (2) to adapt to the change of the ambient light intensity.

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