CN111174045A

CN111174045A - Display screen adjusting bracket based on face recognition

Info

Publication number: CN111174045A
Application number: CN202010197286.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Wenzhou Xueshang Electronic Technology Co Ltd
Current assignee: Taizhou Stronkin Electronic Co Ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-05-19
Anticipated expiration: 2040-03-19
Also published as: CN111174045B

Abstract

The invention discloses a display screen adjusting bracket based on face recognition, which comprises a bracket transverse plate, wherein a third cavity is arranged in the upper end surface of the bracket transverse plate, a mobile station is arranged in the third cavity, a mobile control device for controlling the mobile station to move left and right is arranged in the third cavity, a fourth cavity is arranged in a control panel, an electric control device which is responsible for analyzing the action content of a face and operating the display screen adjusting bracket to make corresponding actions is arranged in the fourth cavity, a fifth cavity is arranged in the upper side of the mobile station, and a pitch angle control device is arranged in the fifth cavity.

Description

Display screen adjusting bracket based on face recognition

Technical Field

The invention relates to the technical field of face recognition, in particular to a display screen adjusting bracket based on face recognition.

Background

Although the existing display screen support can freely adjust the placing position of the display screen, in use, if the placing position of the display screen is found to have deviation from the self position angle, the placing position of the display screen needs to be manually adjusted again until the angle position relation feels correct and comfortable, wherein the times of manual adjustment are different due to the fact that the angle is controlled by a person, most people can use the display screen support, and the vision of people can be irreversibly damaged after the display screen support is used for a long time under an incorrect angle.

Disclosure of Invention

The invention aims to provide a display screen adjusting bracket based on face recognition, which is used for overcoming the defects in the prior art.

According to the invention, the display screen adjusting bracket based on face recognition comprises a bracket transverse plate, wherein first holes are symmetrically formed in the front, back, left and right sides of the bracket transverse plate, a bracket length control device for controlling the whole length of the display screen adjusting bracket is arranged in the first holes, bracket side arms for supporting the height of the bracket transverse plate are symmetrically and fixedly connected to the front, back, left and right sides of the outer side of the bracket transverse plate, first cavities are formed in the lower sides of the bracket side arms, rollers for realizing the front and back movement of the display screen adjusting bracket are arranged in the first cavities, the left and right ends of the rollers are rotatably connected into the left and right side walls of the first cavities, second cavities are formed in the upper sides of the bracket side arms, bracket locking devices for stopping the rotation of the rollers are arranged in the second cavities, and a third cavity is formed in, the mobile platform is characterized in that a mobile platform is arranged in the third cavity, the third cavity is internally provided with a mobile control device for controlling the mobile platform to move left and right in the third cavity, the front side of the mobile platform is provided with a control panel for recognizing human face actions, the control panel is internally provided with a fourth cavity, the fourth cavity is internally provided with an electric control device for analyzing human face action contents and controlling a display screen adjusting support to make corresponding actions, the upper side of the mobile platform is internally provided with a fifth cavity, and the fifth cavity is internally provided with a pitch angle control device for connecting and controlling a control panel pitch angle.

On the basis of the technical scheme, the support length control device comprises a square rod which is movably connected in the first hole and used for connecting the support transverse plate with the support side arm, the outer side of the square rod is fixedly connected to the upper side of the inner end face of the support side arm, a second hole communicated with the first hole is formed in the position, close to the support side arm, of the upper side of the first hole, a stud is connected in the second hole in a threaded mode, a rotary handle used for rotating the stud is fixedly installed on the upper end face of the stud, the stud moves up and down in the second hole under the rotation of the rotary handle, and the lower end of the stud can abut against the upper end face of the square rod.

On the basis of the technical scheme, the bracket locking device comprises a spring fixedly arranged at the bottom of the second cavity, a first force transmission rod for transmitting artificial up-and-down push-pull force outside the side arm of the bracket is fixedly connected with the upper side of the spring, the outer side of the first transmission rod is fixedly connected with a sliding key which is responsible for absorbing artificial up-and-down push-pull force, the front side and the rear side of the front side wall and the rear side wall of the second cavity are symmetrically and fixedly provided with limited points, a sixth cavity communicated with the second cavity is arranged at the inner side of the second cavity, a second force transmission rod is movably connected in the sixth cavity, the upper side of the second force transmission rod is fixedly connected with the inner side of the first force transmission rod, the lower side of the sixth cavity is communicated with the upper side of the first cavity, the lower side of the second force transmission rod is fixedly connected with a brake pad which moves up and down in the first cavity, and the lower side of the brake pad can be abutted against the upper side of the roller.

On the basis of the technical scheme, the mobile control device comprises a third hole formed in the rear side of the bottom of the mobile platform, a first screw rod is connected in the third hole in a rotating mode, a first motor is fixedly installed in the left side wall of the third cavity, a first receiver used for receiving starting and stopping signals of the first motor is fixedly connected to the front side of the first motor, a fourth hole is formed in the front side of the bottom of the mobile platform, left and right ends of the fourth hole are fixedly installed in the left and right side walls of the third cavity and used for supporting a fixing rod, moving leftwards and rightwards in the third cavity, of the mobile platform, the first screw rod drives the fixing rod, and the mobile platform moves leftwards and rightwards in the third cavity.

On the basis of the technical scheme, the electric control device comprises a circuit board fixedly installed in the rear side wall of the fourth cavity, a motor start-stop signal transmitter, a human face action analyzer, an image signal processor and a wireless signal receiver are fixedly installed on the front end face of the circuit board from left to right in sequence, the wireless signal receiver is responsible for accessing an external network and transmitting audio-video image signals in the external network to the image signal processor for processing, a seventh cavity is communicated with the front side of the fourth cavity, a screen for image display is fixedly installed in the seventh cavity, a signal wire for image signal transmission is fixedly installed on the rear side of the screen, the rear side of the signal wire is fixedly connected with the front side of the image signal processor, the image signal processor processes the external audio-video image signals and displays the processed external audio-video image signals through the signal wire, the upper side of the seventh cavity is provided with an eighth cavity, a camera signal transmitter is fixedly connected to the rear side wall of the eighth cavity, a camera used for recording a human face action image is fixedly mounted on the front side of the camera signal transmitter, the recorded human face action image is transmitted to the wireless signal receiver through the camera signal transmitter by the camera, and the wireless signal receiver transmits a start-stop signal to a related motor through the motor start-stop signal transmitter after analyzing the human face action image through the human face action analyzer by the circuit board.

On the basis of the technical scheme, ninth cavities are symmetrically arranged at the upper side and the lower side of the rear side of the control panel, and the front side of each ninth cavity is rotatably connected with a connecting ball used for connecting the control panel and the pitch angle control device.

On the basis of the technical scheme, the pitch angle control device comprises a second motor fixedly arranged in the middle of the fifth cavity, a second receiver for receiving the start-stop signal of the second motor is fixedly connected with the upper side of the second motor, the front side and the rear side of the second motor are symmetrically connected with second screw rods of which the outer ends are rotationally connected in the front side wall and the rear side wall of the fifth cavity, a first L-shaped rod which moves back and forth in the fifth cavity is connected to the rear second screw rod in a threaded manner, the front end of the first L-shaped rod is fixedly connected with the connecting ball at the upper side, the second screw at the front side is in threaded connection with a second L-shaped rod which moves back and forth in the fifth cavity, the front end of the second L-shaped rod is fixedly connected with the connecting ball on the lower side, and the first L-shaped rod and the second L-shaped rod do opposite movement to change the pitch angle of the control panel.

The invention has the beneficial effects that: the invention adopts a face recognition technology, the equipment is provided with a mobile control device, an electric control device and a pitch angle control device, the action of shooting the face in a fixed period is adopted, and according to the face recognition technology, the real-time relative following between a screen and the face can be completed in multiple directions, people can complete the accurate relative between the face and the screen without intentionally adjusting the angle between the equipment and the screen, the equipment realizes the expansion of the whole length of a display screen adjusting bracket through a bracket length control device so as to meet the use of people in different rooms, and the roller in a bracket side arm of the equipment and a bracket locking device can realize the mutual movement of the equipment among different positions and the final fixation of the required position.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of a front view structure of a display screen adjusting bracket based on face recognition according to the present invention;

FIG. 2 is a schematic diagram of a side view of an adjusting bracket for a display screen based on face recognition according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;

3 FIG. 34 3 is 3 a 3 schematic 3 view 3 of 3 the 3 present 3 invention 3 taken 3 along 3 the 3 line 3 A 3- 3 A 3 of 3 FIG. 31 3; 3

FIG. 5 is an enlarged view of a portion of FIG. 2 of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 2 of the present invention;

FIG. 7 is a schematic view of the structure of FIG. 6 in the direction B-B according to the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, for convenience of description, the following orientations will now be defined: the up-down, front-back, left-right directions described below correspond to the up-down, front-back, left-right directions in the projection relation of fig. 1 itself.

Referring to fig. 1 to 7, the invention according to the embodiment of the invention discloses a display screen adjusting bracket based on face recognition, which comprises a bracket transverse plate 10, first holes 80 are symmetrically arranged at the front, rear, left and right sides in the bracket transverse plate 10, a bracket length control device 101 for controlling the whole length of the display screen adjusting bracket is arranged in the first holes 80, bracket side arms 11 for supporting the height of the bracket transverse plate 10 are symmetrically and fixedly connected at the front, rear, left and right sides outside the bracket transverse plate 10, a first cavity 60 is arranged at the lower side of the bracket side arms 11, rollers 12 for realizing the front and rear movement of the display screen adjusting bracket are arranged in the first cavity 60, the left and right ends of the rollers 12 are rotatably connected in the left and right side walls of the first cavity 60, a second cavity 61 is arranged at the upper side of the bracket side arms 11, and a bracket locking device 102 for stopping the rotation of the rollers 12 is arranged in, the upper end face of the support transverse plate 10 is internally provided with a third cavity 62, a mobile station 13 is arranged in the third cavity 62, a mobile control device 103 used for controlling the mobile station 13 to move left and right in the third cavity 62 is arranged in the third cavity 62, a control panel 14 used for realizing face motion recognition is arranged on the front side of the mobile station 13, a fourth cavity 63 is arranged in the control panel 14, an electric control device 104 used for analyzing face motion content and operating a display screen to adjust the support to make corresponding motion is arranged in the fourth cavity 63, a fifth cavity 64 is arranged in the upper side of the mobile station 13, and a pitch angle control device 105 used for connecting and controlling a pitch angle of the control panel 14 is arranged in the fifth cavity 64.

In addition, in one embodiment, the bracket length control device 101 includes a square rod 15 movably connected in the first hole 80 for connecting the bracket cross plate 10 and the bracket side arms 11, an outer side of the square rod 15 is fixedly connected to an upper side of an inner end surface of the bracket side arms 11, a second hole 81 communicated with the first hole 80 is provided at an upper side of the first hole 80 near the bracket side arms 11, a stud 17 is connected in the second hole 81 by internal thread, a rotary handle 16 for rotating the stud 17 is fixedly installed at an upper end surface of the stud 17, the rotary handle 16 is rotated counterclockwise, the stud 17 moves upward in the second hole 81 under rotation of the rotary handle 16, when a lower end of the stud 17 is no longer abutted against an upper end surface of the square rod 15, the bracket side arms 11 are pulled outward by force, the square rod 15 moves outward in the first hole 80 under driving of the bracket side arms 11, after the side arm 11 of the bracket is pulled to a required position, the rotating handle 16 is rotated clockwise, the stud 17 moves downwards in the second hole 81 under the rotation of the rotating handle 16, and when the lower end of the stud 17 abuts against the upper end surface of the square rod 15, the rotating handle 16 stops rotating, so that the change of the whole length of the display screen adjusting bracket is realized.

In addition, in one embodiment, the bracket locking device 102 includes a spring 20 fixedly installed at the bottom of the second cavity 61, a first transmission force rod 21 for transmitting an artificial up-and-down push-and-pull force outside the bracket side arm 11 is fixedly connected to the upper side of the spring 20, a sliding key 18 for absorbing the artificial up-and-down push-and-pull force is fixedly connected to the outer side of the first transmission force rod 21, limiting points 19 are symmetrically and fixedly installed at front and rear sides of front and rear side walls of the second cavity 61, a sixth cavity 65 communicated with the inner side of the second cavity 61 is arranged inside the second cavity 61, a second transmission force rod 22 is movably connected inside the sixth cavity 65, the upper side of the second transmission force rod 22 is fixedly connected to the inner side of the first transmission force rod 21, the lower side of the sixth cavity 65 is communicated with the upper side of the first cavity 60, and a brake pad 23 moving up and down in the first cavity 60 is fixedly connected to the lower, the sliding key 18 is pushed downwards by force, the sliding key 18 drives the first transmission force rod 21 to move downwards in the second cavity 61 under the action of the elastic force of the spring 20, the first transmission force rod 21 drives the second transmission force rod 22 to move downwards in the sixth cavity 65, the second transmission force rod 22 drives the brake pad 23 to move downwards and abut against the upper side of the roller 12, the limiting resistance of the limiting point 19 forces the first transmission force rod 21 to be fixedly positioned at the lower side of the limiting point 19, the limiting resistance of the limiting point 19 forces the brake pad 23 and the roller 12 to abut against each other all the time, and the front and rear positions of the display screen adjusting bracket are fixed.

In addition, in an embodiment, the movement control device 103 includes a third hole 82 disposed at the rear side of the bottom of the mobile station 13, a first screw 25 is rotatably connected in the third hole 82, a first motor 26 fixedly mounted in the left side wall of the third cavity 62 is disposed at the left side of the first screw 25, a first receiver 27 for receiving start and stop signals of the first motor 26 is fixedly connected to the front side of the first motor 26, a fourth hole 83 is disposed at the front side of the bottom of the mobile station 13, a fixing rod 28 is disposed in the fourth hole 83, and has left and right ends fixedly mounted in the left and right side walls of the third cavity 62 for supporting the mobile station 13 to move left and right in the third cavity 62, when the first receiver 27 receives a rotation signal for controlling the first motor 26 to start, the first receiver 27 controls the first motor 26 to rotate, and the first motor 26 drives the first screw 25 at the right end to rotate, under the driving of the first screw 25 and the support of the fixed rod 28, the mobile station 13 moves left and right in the third cavity 62.

In addition, in one embodiment, the electronic control device 104 includes a circuit board 30 fixedly installed in a rear side wall of the fourth cavity 63, a motor start-stop signal transmitter 35, a human face motion analyzer 36, an image signal processor 37 and a wireless signal receiver 38 are fixedly installed on a front end surface of the circuit board 30 from left to right, the wireless signal receiver 38 is responsible for accessing an external network and transmitting video and audio image signals in the external network to the image signal processor 37 for processing, a seventh cavity 66 is communicated with a front side of the fourth cavity 63, a screen 34 for image display is fixedly installed in the seventh cavity 66, a signal line 33 for image signal transmission is fixedly installed on a rear side of the screen 34, a rear side of the signal line 33 is fixedly connected with a front side of the image signal processor 37, the image signal processor 37 displays the processed external video and audio image signals by the screen 34 through the signal line 33, an eighth cavity 67 is formed in the upper side of the seventh cavity 66, a camera signal transmitter 31 is fixedly connected to the rear side wall of the eighth cavity 67, a camera 32 for recording a human face action image is fixedly mounted on the front side of the camera signal transmitter 31, the recorded human face action image is transmitted to the wireless signal receiver 38 through the camera signal transmitter 31 by the camera 32, and the wireless signal receiver 38 transmits a start-stop signal to a related motor through the motor start-stop signal transmitter 35 after analyzing the human face action image through the human face action analyzer 36 by the circuit board 30.

In addition, in one embodiment, a ninth cavity 68 is symmetrically arranged on the upper side and the lower side of the rear side of the control plate 14, and a connecting ball 39 for connecting the control plate 14 and the pitch angle control device 105 is rotatably connected to the front side of the ninth cavity 68.

In addition, in one embodiment, the pitch angle control device 105 includes a second motor 43 fixedly installed in the middle of the fifth cavity 64, a second receiver 44 for receiving an on-off signal of the second motor 43 is fixedly connected to the upper side of the second motor 43, second screws 42 with outer ends rotatably connected to the front and rear side walls of the fifth cavity 64 are symmetrically connected to the front and rear sides of the second motor 43, a first L-shaped rod 40 moving back and forth in the fifth cavity 64 is threadedly connected to the rear second screw 42, the front end of the first L-shaped rod 40 is fixedly connected to the upper connecting ball 39, a second L-shaped rod 41 moving back and forth in the fifth cavity 64 is threadedly connected to the front second screw 42, the front end of the second L-shaped rod 41 is fixedly connected to the lower connecting ball 39, when the second receiver 44 receives an on-rotation signal for controlling the second motor 43, the second receiver 44 controls the second motor 43 to rotate, the second motor 43 drives the second screws 42 at the two ends to rotate clockwise, the second screw 42 at the rear side drives the first L-shaped rod 40 to move forward, and the second screw 42 at the front side drives the second L-shaped rod 41 to move backward, so that the pitch angle of the control board 14 is changed.

When the length of the display screen adjusting support needs to be adjusted, the rotating handle 16 in the support length control device 101 is rotated, when the lower end of the stud 17 is not abutted to the upper end face of the square rod 15 any longer, the support side arms 11 are pulled outwards and forcefully, after the support side arms 11 are pulled to a required position, the rotating handle 16 is rotated clockwise, when the lower end of the stud 17 is abutted to the upper end face of the square rod 15, the rotating handle 16 is stopped, and the change of the whole length of the display screen adjusting support is realized.

When the front and back positions of the display screen adjusting bracket need to be adjusted, the display screen adjusting bracket is pulled by force, so that the roller 12 rotates and drives the display screen adjusting bracket to move back and forth, when the position of the display screen adjusting bracket is adjusted to a required position, the sliding key 18 in the bracket locking device 102 is pushed downwards, the brake pad 23 moves downwards and is abutted against the upper side of the roller 12, the limiting resistance of the limiting point 19 forces the brake pad 23 and the roller 12 to be abutted all the time, and the front and back position fixing of the display screen adjusting bracket is completed.

When the front and back positions of the bracket need to be adjusted by using the display screen, the face looks at the screen 34 in the electric control device 104, the camera 32 in the electric control device 104 periodically shoots face looking pictures and transmits the face looking pictures to the face action analyzer 36 for analysis, the face action analyzer 36 determines the face looking at the face to be a front looking face after analysis, and the video image content in the external network acquired by the wireless signal receiver 38 is processed by the image signal processor 37 and then displayed by the screen 34.

When the support is adjusted by using the display screen, when the face rotates left and right, the camera 32 in the electric control device 104 periodically shoots face side-looking pictures and transmits the pictures to the face motion analyzer 36 for analysis, the face motion analyzer 36 determines the face as a side-looking face after analysis, a starting rotation signal is sent to the first motor 26 in the mobile control device 103 through the motor start-stop signal transmitter 35, the mobile station 13 is controlled to move left and right, and real-time relative following of the screen 34 and the face is completed.

When the human face rotates up and down in the process of adjusting the bracket by using the display screen, the camera 32 in the electronic control device 104 periodically shoots a human face pitch view picture and transmits the picture to the human face motion analyzer 36 for analysis, the human face motion analyzer 36 determines the human face as a pitch view after analysis, a starting rotation signal is sent to the second motor 43 in the pitch angle control device 105 through the motor starting and stopping signal transmitter 35, the first L-shaped rod 40 and the second L-shaped rod 41 are controlled to move oppositely, the change of the pitch angle of the control panel 14 is controlled, and the real-time relative following of the screen 34 and the human face is completed.

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.

Claims

1. The utility model provides a display screen adjustment support based on face identification, includes the support diaphragm, its characterized in that: the front side, the rear side, the left side and the right side in the transverse plate of the bracket are symmetrically provided with first holes, the first holes are internally provided with bracket length control devices for controlling the whole length of the display screen adjusting bracket, the front side, the rear side, the left side and the right side outside the transverse plate of the bracket are symmetrically and fixedly connected with bracket side arms for supporting the height of the transverse plate of the bracket, the lower sides of the bracket side arms are provided with first cavities, the first cavities are internally provided with rollers for realizing the front and rear movement of the display screen adjusting bracket, the left ends and the right ends of the rollers are rotatably connected into the left side wall and the right side wall of the first cavity, the upper sides of the bracket side arms are provided with second cavities, the second cavities are internally provided with bracket locking devices for stopping the rotation of the rollers, the upper end surfaces of the transverse plate of the bracket are internally provided with third cavities, the, the mobile platform is characterized in that a control panel for achieving face motion recognition is arranged on the front side of the mobile platform, a fourth cavity is arranged in the control panel, an electric control device which is responsible for analyzing face motion content and operating a display screen adjusting support to make corresponding motion is arranged in the fourth cavity, a fifth cavity is arranged in the upper side of the mobile platform, and a pitch angle control device which is used for connecting and controlling the pitch angle of the control panel is arranged in the fifth cavity.

2. The display screen adjusting bracket based on face recognition according to claim 1, wherein: the support length control device comprises a square rod which is movably connected into the first hole and used for connecting the support transverse plate with the support side arm, the outer side of the square rod is fixedly connected to the upper side of the inner end face of the support side arm, a second hole communicated with the first hole is formed in the position, close to the support side arm, of the upper side of the first hole, a stud is connected into the second hole in a threaded mode, the upper end face of the stud is fixedly installed and used for rotating a rotating handle of the stud, the stud is arranged under the rotation of the rotating handle and moves up and down in the second hole, and the lower end of the stud can abut against the upper end face of the square rod.

3. The display screen adjusting bracket based on face recognition according to claim 1, wherein: the bracket locking device comprises a spring fixedly arranged at the bottom of the second cavity, the upper side of the spring is fixedly connected with a first transmission force rod for transmitting artificial up-and-down push-pull force outside the side arm of the bracket, the outer side of the first transmission rod is fixedly connected with a sliding key which is responsible for absorbing artificial up-and-down push-pull force, the front side and the rear side of the front side wall and the rear side wall of the second cavity are symmetrically and fixedly provided with limited points, a sixth cavity communicated with the second cavity is arranged at the inner side of the second cavity, a second force transmission rod is movably connected in the sixth cavity, the upper side of the second force transmission rod is fixedly connected with the inner side of the first force transmission rod, the lower side of the sixth cavity is communicated with the upper side of the first cavity, the lower side of the second force transmission rod is fixedly connected with a brake pad which moves up and down in the first cavity, and the lower side of the brake pad can be abutted against the upper side of the roller.

4. The display screen adjusting bracket based on face recognition according to claim 1, wherein: the mobile control device comprises a third hole formed in the rear side of the bottom of the mobile platform, a first screw rod is connected to the third hole in a rotating mode, a first motor is fixedly installed on the left side of the first screw rod and in the left side wall of the third cavity, a first receiver for receiving starting and stopping signals of the first motor is fixedly connected to the front side of the first motor, a fourth hole is formed in the front side of the bottom of the mobile platform, left and right ends of the fourth hole are fixedly installed and are arranged in the left and right side walls of the third cavity, the mobile platform is used for supporting a fixing rod which is used for moving the mobile platform left and right in the third cavity, the mobile platform is driven by the first screw rod and supported by the fixing rod, and the mobile platform is used for moving the mobile platform left and right.

5. The display screen adjusting bracket based on face recognition according to claim 1, wherein: the electric control device comprises a circuit board fixedly installed in the rear side wall of the fourth cavity, a motor start-stop signal transmitter, a human face motion analyzer, an image signal processor and a wireless signal receiver are fixedly installed on the front end face of the circuit board from left to right in sequence, the wireless signal receiver is responsible for accessing an external network and transmitting audio and video image signals in the external network to the image signal processor for processing, a seventh cavity is communicated with the front side of the fourth cavity, a screen for image display is fixedly installed in the seventh cavity, a signal wire for image signal transmission is fixedly installed on the rear side of the screen, the rear side of the signal wire is fixedly connected with the front side of the image signal processor, the image signal processor processes the external audio and video image signals and displays the processed external audio and video image signals through the signal wire by the screen, and an eighth cavity is arranged on the upper side of the seventh cavity, the camera shooting signal transmitter is fixedly connected in the rear side wall of the eighth cavity, a camera used for recording human face action images is fixedly mounted on the front side of the camera shooting signal transmitter, the recorded human face action images are transmitted to the wireless signal receiver through the camera shooting signal transmitter by the camera, and the wireless signal receiver analyzes the human face action images through the human face action analyzer through the circuit board and then transmits start-stop signals to related motors through the motor start-stop signal transmitter.

6. The display screen adjusting bracket based on face recognition of claim 5, wherein: ninth cavities are symmetrically arranged on the upper side and the lower side of the rear side of the control panel, and connecting balls used for achieving connection of the control panel and the pitch angle control device are rotationally connected to the front side of the ninth cavities.

7. The display screen adjusting bracket based on face recognition according to claim 1, wherein: the pitch angle control device comprises a second motor fixedly installed in the middle of a fifth cavity, a second receiver fixedly connected to the upper side of the second motor and used for receiving start and stop signals of the second motor is connected to the front side and the rear side of the second motor in a symmetrical mode, outer ends of the front side and the rear side of the second motor are connected to second screw rods in the front side and the rear side of the fifth cavity in a rotating mode, a first L-shaped rod moving back and forth in the fifth cavity is connected to the rear side second screw rod in a threaded mode, the front end of the first L-shaped rod is fixedly connected with a connecting ball on the upper side, a second L-shaped rod moving back and forth in the fifth cavity is connected to the front side second screw rod in a threaded mode, the front end of the second L-shaped rod is fixedly connected with the connecting ball on the lower side, the first L-shaped rod and the second L-shaped rod move oppositely, and.