Multifunctional platform based on intelligent screen system and image acquisition, adjustment and control display angle method thereof

Abstract

The invention provides a multifunctional platform based on an intelligent screen system and a method for adjusting and controlling a display angle through image acquisition of the multifunctional platform. The multifunctional platform comprises a platform body and a multifunctional displayer, and the multifunctional displayer comprises a host box, a mainboard, an angle adjusting mechanism and a display screen; the angle adjusting mechanism comprises a first adjusting motor, a first swing rod, a transition rod, a second adjusting motor and a second swing rod. The display output end of the main board is electrically connected with the display screen body. The image sensor collects the position of a person and then controls the first adjusting motor and / or the second adjusting motor to be started according to the collected information, so that the first swing rod and / or the second swing rod swing by a certain angle to drive the display screen body to rotate by a certain angle until the sensing area of the image sensor can cover the whole face of a lecturer. Namely, the display surface of the display screen main body is over against the face of a lecturer, so that the multifunctional platform can well meet the use requirements of different lecturers.

Description

Technical Field

[0001] The present invention relates to the fields of intelligent teaching and smart screen products, in particular to a multifunctional podium based on a smart screen system and a method for image acquisition, adjustment and control of display angle thereof. Background Art

[0002] With the development of society and the advancement of science and technology, the education industry has gradually gained attention. The availability of various teaching equipment directly affects the level of education students receive. To enable students to receive a better education, smart podiums (or multi-functional podiums) are essential teaching tools.

[0003] At present, some podiums are composed of a podium body and a liquid crystal display or a touch screen display, and the liquid crystal display is set on the podium body, or the liquid crystal display or touch screen display is embedded in the podium body, such as the multifunctional teaching podium disclosed in the existing patent CN203789423U. This makes the display angle of the computer or touch screen display relatively fixed. Due to the differences in height of different lecturers, the angle of their eyes facing the display is also different, making it difficult for existing multifunctional podiums to adapt well to the usage needs of different lecturers. For example, taller lecturers (such as 1.8 meters tall) are forced to view the screen in an unnatural posture (bending over or looking up). In addition, some smart podiums are equipped with facial recognition or image acquisition functions (such as attendance and identity authentication), but the fixed-angle display may cause the camera to not face the lecturer's face, affecting recognition accuracy and response speed. The above problems will affect the lecturer's usage experience and teaching effect. Summary of the Invention

[0004] The purpose of the present invention is to overcome the shortcomings of the existing technology and provide a multifunctional podium and smart teaching device based on a smart screen system that can automatically adjust the display angle according to the image acquisition status.

[0005] The purpose of this disclosure is achieved through the following technical solutions:

[0006] A multifunctional podium based on a smart screen system comprises a podium body and a multifunctional display, wherein the multifunctional display is arranged on the podium body, the multifunctional display comprises a main box, a main board, an angle adjustment mechanism and a display screen, the main box is arranged on the podium body, and the main board is arranged inside the main box; the display screen comprises a display screen body and an image sensor, and the image sensor is mounted on the display surface of the display screen body; the angle adjustment mechanism comprises a first adjustment motor, a first swing rod, a transition rod, a second adjustment motor and a second swing rod, the first adjustment motor is mounted on the main box, one end of the first swing rod is connected to the drive shaft of the first adjustment motor, and the other end of the first swing rod is connected to the drive shaft of the first adjustment motor One end is fixedly connected to the transition rod, the second adjusting motor is installed on the transition rod, one end of the second swing rod is connected to the driving shaft of the second adjusting motor, and the other end of the second swing rod is fixedly connected to the display screen body; the display output end of the main board is electrically connected to the display screen body, the acquisition end of the image sensor is electrically connected to the acquisition signal receiving end of the main board, one drive control end of the main board is electrically connected to the first adjusting motor, and two drive control ends of the main board are electrically connected to the second adjusting motor, so that the main board drives the first adjusting motor and / or the second adjusting motor to start according to the acquisition information of the image sensor to swing the first swing rod and / or the second swing rod.

[0007] In one embodiment, the display screen further includes a touch screen component, and the touch screen component is installed on one side of the display screen body.

[0008] In one embodiment, the touch screen component includes a touch screen pen and a placement plate, the placement plate is connected to one side of the display screen body, and the touch screen pen is movably set on the placement plate.

[0009] In one embodiment, the placement plate is provided with a receiving groove, and the touch screen pen can be movably arranged in the receiving groove.

[0010] In one embodiment, the multifunctional podium further includes a central control touch screen panel, which is disposed on the podium body and is communicatively connected to the main board.

[0011] In one embodiment, the second swing arm is perpendicular to the display screen body.

[0012] In one embodiment, a data port is provided on the side of the host box, and the data port is electrically connected to the data transmission end of the mainboard.

[0013] In one embodiment, the data port includes a USB port, an HDMI port and a Type-C port, and the USB port, the HDMI port and the Type-C port are all electrically connected to the data transmission end of the motherboard.

[0014] A method for image acquisition, adjustment and display angle control of a multifunctional podium is implemented using the multifunctional podium based on a smart screen system described in any one of the above embodiments, and the method comprises the following steps:

[0015] S101, the image sensor collects a facial image and determines the current facial image ratio;

[0016] S102, comparing whether the current facial image ratio is within a reference facial image ratio range;

[0017] S103: If the current facial image ratio is outside the reference facial image ratio range, drive the angle adjustment mechanism to adjust the angle until the current facial image ratio obtained by the image sensor matches the reference facial image ratio.

[0018] In one embodiment, after executing S102 , the method further includes: if the current facial image ratio value is within the reference facial image ratio value range, maintaining the current adjustment angle of the angle adjustment mechanism.

[0019] Compared with the prior art, the present disclosure has at least the following advantages:

[0020] The above-mentioned multifunctional podium based on the smart screen system adopts an angle adjustment mechanism and an image sensor. That is, after the image sensor collects the position of the person, it controls the first adjustment motor and / or the second adjustment motor to start according to the collected information, thereby making the first swing arm and / or the second swing arm swing a certain angle to drive the display screen body to rotate a certain angle until the sensing area of ​​the image sensor can cover the entire face of the lecturer, that is, the display surface of the display screen body faces the lecturer's face, so that the multifunctional podium can be well adapted to the usage needs of different lecturers. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 This is a structural diagram of a multifunctional podium based on a smart screen system in one embodiment;

[0023] Figure 2 for Figure 1 The schematic diagram of the structure of the multi-function display in the multi-function podium based on the smart screen system is shown;

[0024] Figure 3 for Figure 2 The structure diagram of the multi-function display shown in another perspective;

[0025] Figure 4 for Figure 2 The structure diagram of the multi-function display shown in another perspective;

[0026] Figure 5 for Figure 2 The schematic diagram of the structure of the multi-function display shown in FIG.

[0027] Figure 6 for Figure 5 The multi-function display is shown as a partial structural schematic diagram at an angle;

[0028] Figure 7 for Figure 2 The module diagram of the main board in the multi-function display is shown;

[0029] Figure 8 for Figure 1 A schematic diagram of the structure of another multi-function display in a multi-function podium based on the smart screen system is shown;

[0030] Figure 9 for Figure 8 The multi-function display is shown as a partial structural schematic diagram at an angle;

[0031] Figure 10 is a module diagram of a mainboard of a multi-function display in another embodiment;

[0032] Figure 11 Flowchart of a method for image acquisition, adjustment and display angle control of a multifunctional podium in one embodiment.

[0033] Reference numerals: 10, multifunctional podium; 100, podium body; 200, multifunctional display; 210, host box; 211, data port; 2111, USB port; 2112, HDMI port; 2113, Type-C port; 212, network port; 220, mainboard; 221, image recognition module; 222, image reference module; 223, image comparison module; 224, motor control module; 230, angle adjustment mechanism; 231, first adjustment Motor; 232, first swing arm; 233, transition arm; 234, second adjustment motor; 235, second swing arm; 2351, horizontal swing arc surface; 235a, limit opening; 236, third adjustment motor; 240, display screen; 241, display screen body; 242, image sensor; 243, touch screen component; 244, infrared sensor; 2431, touch screen pen; 2432, placement plate; 243a, receiving slot; 250, anti-slip pad; 300, central control touch screen panel. DETAILED DESCRIPTION

[0034] To facilitate understanding of the present disclosure, a more comprehensive description of the present disclosure will be provided below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present disclosure. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the disclosure.

[0035] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this disclosure pertains. The terms used herein in the specification of this disclosure are intended only to describe specific embodiments and are not intended to limit this disclosure. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0037] In order to better understand the technical solutions and beneficial effects of the present disclosure, the present disclosure is further described in detail below with reference to specific embodiments:

[0038] See also Figure 1, which is a multifunctional podium 10 based on the smart screen system according to an embodiment of the present invention, including a podium body 100 and a multifunctional display 200 , and the multifunctional display 200 is arranged on the podium body 100 .

[0039] like Figures 2 to 6 As shown, the multifunctional display 200 includes a main box 210, a main board 220, an angle adjustment mechanism 230 and a display screen 240. The main box 210 is arranged on the podium body 100, and the main board 220 is arranged inside the main box 210; the display screen 240 includes a display screen body 241 and an image sensor 242, and the image sensor 242 is installed on the display surface of the display screen body 241; the angle adjustment mechanism 230 includes a first adjusting motor 231, a first swing rod 232, a transition rod 233, a second adjusting motor 234 and a second swing rod 235. The first adjusting motor 231 is installed on the main box 210, and one end of the first swing rod 232 is connected to the drive shaft of the first adjusting motor 231. Specifically, one end of the first swing rod 232 is fixedly connected to the drive shaft of the first adjusting motor 231, and the other end of the first swing rod 232 is fixedly connected to the transition rod 233. The second adjusting motor 234 is installed on the transition rod 233, one end of the second swing arm 235 is connected to the driving shaft of the second adjusting motor 234. Specifically, one end of the second swing arm 235 is fixedly connected to the driving shaft of the second adjusting motor 234, and the other end of the second swing arm 235 is fixedly connected to the display screen body 241; the display output end of the main board 220 is electrically connected to the display screen body 241, and the acquisition end of the image sensor 242 is electrically connected to the acquisition signal receiving end of the main board 220. One drive control end of the main board 220 is electrically connected to the first adjusting motor 231, and two drive control ends of the main board 220 are electrically connected to the second adjusting motor 234, so that the main board 220 drives the first adjusting motor 231 and / or the second adjusting motor 234 to start according to the acquisition information of the image sensor 242, so as to swing the first swing arm 232 and / or the second swing arm 235, thereby driving the display screen 240 to rotate a certain angle, thereby adjusting the display direction of the display screen body 241.

[0040] In this embodiment, if Figure 7 As shown, the main board 220 has an image recognition module 221, an image reference module 222 and an image comparison module 223. The image recognition module 221 and the image reference module 222 are electrically connected to the comparison end and the comparison end of the image comparison module 223 respectively. The data acquisition output end of the image sensor 242 is electrically connected to the receiving end of the image recognition module 221. The image comparison module 223 is used to compare whether the facial information read by the image recognition module 221 matches the facial information of the image reference module 222, that is, whether the image sensor 242 obtains the lecturer's face comprehensively.

[0041] It can be understood that when a lecturer uses the multifunctional podium 10, his or her eyes are aligned with the image sensor 242. After the image sensor 242 obtains facial image information, it feeds this information back to the image recognition module 221 of the main board 220. The image comparison module 223 compares the facial information of the image reference module 222 with the current facial information of the image recognition module 221. If there is a mismatch, it means that the image sensor 242 has not fully captured the lecturer's face. Then, the first adjustment motor 231 is driven to work, or the second adjustment motor 234 is driven to work, or the first adjustment motor 231 and the second adjustment motor 234 are driven simultaneously according to the acquired facial position, until the image sensor 242 can fully capture the lecturer's face. Furthermore, when the image sensor 242 does not fully capture the lecturer's face, the image projected on the display screen main body 241 shows that the upper half of the face is incomplete or the lower half of the face is incomplete.

[0042] Further, if Figure 7 As shown, the main board 220 also has a motor control module 224, the comparison output end of the image comparison module 223 is electrically connected to the signal receiving end of the motor control module 224, the drive enable end of the motor control module 224 is electrically connected to the first adjustment motor 231, and the drive enable end of the motor control module 224 is electrically connected to the second adjustment motor 234, so that the motor control module 224 has a first control state, a second control state and a third control state, wherein the first control state is a state in which only the first adjustment motor 231 is enabled, the second control state is a state in which only the second adjustment motor 234 is enabled, and the third control state is a state in which both the first adjustment motor 231 and the second adjustment motor 234 are enabled.

[0043] Furthermore, when only the second adjustment motor 234 is driven to adjust the display angle of the display screen main body 241, the distance between the transition rod 233 and the human body remains unchanged; when only the first adjustment motor 231 is driven to work, or the first adjustment motor 231 and the second adjustment motor 234 are driven at the same time to adjust the display angle of the display screen main body 241, the distance between the transition rod 233 and the human body changes.

[0044] In the above embodiment, the multifunctional podium 10 based on the smart screen system adopts an angle adjustment mechanism 230 and an image sensor 242, that is, after the image sensor 242 collects the position of the person, it controls the first adjustment motor 231 and / or the second adjustment motor 234 to start according to the collected information, thereby making the first swing arm 232 and / or the second swing arm 235 swing a certain angle to drive the display screen body 241 to rotate a certain angle until the sensing area of ​​the image sensor 242 can cover the entire face of the lecturer, that is, the display surface of the display screen body 241 faces the lecturer's face, so that the multifunctional podium 10 can be well adapted to the usage needs of different lecturers.

[0045] like Figure 3 As shown, in one embodiment, the display screen 240 further includes a touchscreen component 243, which is mounted on a side of the display screen body 241. In this embodiment, the touchscreen component 243 includes a stylus 2431 and a placement plate 2432. The placement plate 2432 is connected to a side of the display screen body 241, and the stylus 2431 is movably mounted on the placement plate 2432. It is understood that when a lecturer uses the display screen body 241 to teach, if they need to operate the display screen body 241, they can remove the stylus 2431 from the placement plate 2432 to perform touch-screen operations on the display. When the stylus 2431 is not in use, the stylus 2431 can be returned to the placement plate 2432, making it more convenient to use the stylus 2431. Furthermore, the placement plate 2432 defines a receiving slot 243a, into which the stylus 2431 is movably mounted. Thus, when the stylus pen 2431 is not in use, it can be placed in the receiving groove 243a to prevent the stylus pen 2431 from suddenly sliding off the placement plate 2432. In a preferred embodiment, the stylus pen 2431 is magnetically disposed in the receiving groove 243a.

[0046] like Figure 1 As shown, in one embodiment, the multifunctional podium 10 further includes a central control touch screen panel 300, which is disposed on the podium body 100 and is in communication with the main board 220. It is understood that when the central control touch screen panel 300 is provided, the first adjustment motor 231 and / or the second adjustment motor 234 can be controlled by operating the central control touch screen panel 300 to adjust the display angle of the display screen body 241, the display screen body 241 can be turned on or off by operating the central control touch screen panel, and the image sensor 242 can be turned on or off by operating the central control touch screen panel.

[0047] like Figure 5 or Figure 6 As shown, in one embodiment, the second swing arm 235 is perpendicular to the display screen body 241 , that is, the center line of the second swing arm 235 and the center line of the display screen 240 form an angle of 90°.

[0048] like Figure 5As shown, in one embodiment, a data port 211 is provided on the side of the host box 210, and the data port 211 is electrically connected to the data transmission end of the motherboard 220. In this way, when the data port 211 is provided, the user can connect the external device to the host box 210 by wire, so that the external device and the host box 210 can exchange data or communicate data, making the operation of the multi-function display 200 more interactive. Furthermore, the data port 211 includes a USB port 2111, an HDMI port 2112, and a Type-C port 2113. The USB port 2111, the HDMI port 2112, and the Type-C port 2113 are all electrically connected to the data transmission end of the motherboard 220. This makes the data port 211 provided in the host box 210 relatively rich, and can connect a variety of types of external devices. For example, the HDMI port 2112 supports high-definition video transmission and can provide clear image quality. It can be used to connect a projector so that students can watch the content displayed by the projector; the USB port 2111 can connect multiple types of general devices, such as USB flash drives, mice, keyboards, etc.; the Type-C port 2113 supports forward and reverse insertion and can be used to connect USB flash drives, communication equipment, etc.

[0049] like Figure 3 As shown, in one embodiment, a network port 212 is provided on the side of the host box 210, and the network port 212 is electrically connected to the networking terminal of the motherboard 220. In this way, the user can access the network port 212 through a network cable to realize system networking.

[0050] Combine Figure 1 and Figure 4 As shown, in one embodiment, the multi-function display 200 also includes an anti-slip pad 250, which is arranged at the bottom of the main box 210 so that the anti-slip pad 250 is against the podium body 100, thereby preventing the main box 210 and the podium body 100 from friction-induced surface wear, and the setting of the anti-slip pad 250 can prevent the main box 210 from sliding on the podium body 100.

[0051] When using the above-mentioned multifunctional podium 10 based on the smart screen system, the lecturer generally uses chalk or water pen to write or draw on the blackboard or whiteboard behind the multifunctional podium 10 to explain the content of the display screen 240 to the students. At this time, the lecturer's eyes have left the main body of the display screen 240. After completing the explanation, the lecturer returns to the front of the multifunctional podium 10, and his position is different from the position before leaving the main body of the display screen 240. Even if the display area of ​​the main body of the display screen 240 is matched with the human eye in the vertical angle through the first adjustment motor 231 and / or the second adjustment motor 234, that is, the image sensor 242 can capture the upper and lower parts of the human face, but at the horizontal angle, it cannot be guaranteed to match the position of the human eye, that is, the image sensor 242 can only capture the left and right sides of the human face, and the first adjustment motor 231 and the second adjustment motor 234 are only used to adjust the angle of the display screen main body 241 in the vertical direction, and cannot adjust the angle of the display screen main body 241 in the horizontal direction.

[0052] Therefore, if Figure 8 and Figure 9 As shown, in one embodiment, the angle adjustment mechanism 230 also includes a third adjustment motor 236, which is arranged on the second swing rod 235, and the second swing rod 235 has a horizontal swing arc surface 2351. The main body of the display screen 240 is connected to the driving end of the third adjustment motor 236, and the main body of the display screen 240 is abutted against the horizontal swing arc surface 2351. The control driving three ends of the main board 220 are electrically connected to the third adjustment motor 236, so that the main board 220 drives the third adjustment motor 236 according to the collected information of the image sensor 242 to swing the main body of the display screen 240, thereby adjusting the display angle of the main body of the display screen 240 in the horizontal direction.

[0053] It can be understood that when the lecturer starts to use the multifunctional podium 10, or returns to the multifunctional podium 10 after completing the explanation of the content on the display screen 240 to the students on the blackboard or whiteboard, the image sensor 242 starts to collect facial images, which will be fed back to the image recognition module 221 in the form of electrical signals. The image comparison module 223 compares the facial information of the image reference module 222 with the current facial information of the image recognition module 221. When the two are compared, it is confirmed that the upper half of the face in the facial information collected by the image sensor 242 is incomplete, or the lower half of the face is incomplete, while the left and right sides of the face can be collected, then the first adjustment motor 231 is driven to work, or the second adjustment motor 234 is driven to work, or the first adjustment motor 231 and the second adjustment motor 234 are driven to work at the same time until the image sensor 242 can fully capture the lecturer's face; when the two are compared, the image comparison module 223 drives the first adjustment motor 231 to work, or the second adjustment motor 234 is driven to work, or the first adjustment motor 231 and the second adjustment motor 234 are driven to work at the same time until the image sensor 242 can fully capture the lecturer's face. When the two are compared and it is confirmed that the left side of the face is incomplete, or the right side of the face is incomplete in the facial information collected by the image sensor 242, while the upper and lower parts of the face can be collected, the third adjustment motor 236 is driven to work until the image sensor 242 can fully obtain the lecturer's face; when the two are compared and it is confirmed that the upper left side of the face is incomplete, or the upper right side of the face is incomplete, or the lower left side of the face is incomplete, or the lower right side of the face is incomplete in the facial information collected by the image sensor 242, the third adjustment motor 236 is driven to work, and at the same time, one or both of the first adjustment motor 231 and the second adjustment motor 234 are driven to work until the image sensor 242 can fully obtain the lecturer's face. Under the action of the first adjustment motor 231, the second adjustment motor 234 and the third adjustment motor 236, the main body of the display screen 240 is driven to adjust its own angle, and then adjust the display angle. In this way, when the lecturer looks at the main body of the display screen 240, he or she can adjust the display angle of the main body of the display screen 240 in the vertical direction or in the horizontal direction, so as to better meet the needs of different lecturers.

[0054] Furthermore, if Figure 10 As shown, the three drive enable terminals of the motor control module 224 are electrically connected to the third regulating motor 236, so that the motor control module 224 has a fourth control state, a fifth control state, a sixth control state, that is, a seventh state. The fourth control state is a state in which only the third regulating motor 236 is enabled, the fifth control state is a state in which the first regulating motor 231 and the third regulating motor 236 are enabled, the sixth control state is a state in which the second regulating motor 234 and the third regulating motor 236 are enabled, and the seventh control state is a state in which the first regulating motor 231, the second regulating motor 234 and the third regulating motor 236 are enabled.

[0055] Combine Figure 8 and Figure 9As shown, in one embodiment, the horizontal swing arc surface 2351 is provided with a limit opening 235a, and the driving end of the third adjustment motor 236 is passed through the limit opening 235a and connected to the display screen body 241. This limits the horizontal adjustment of the display angle of the display screen body 241 within a certain range, thereby preventing structural damage caused by excessive swinging of the display screen body 241.

[0056] In addition, when using the product, when some users are curious or operate improperly, since the first adjustment motor 231, the second adjustment motor 234 and the third adjustment motor 236 are all driven based on the collected information of the image sensor 242 to automatically adjust the display angle of the display screen body 241, rather than manually adjust the display angle, when the user's eyes are facing the display screen body 241, and the infrared sensor 244 collects incomplete left or right side of the face, if the user accidentally extends his finger into the gap between the horizontal swinging arc surface 2351 and the display screen body 241, it is easy for the horizontal swinging arc surface 2351 and the display screen body 241 to pinch the finger.

[0057] To prevent pinching, Figure 8 As shown, in one embodiment, the display screen 240 further includes an infrared sensor 244. The acquisition end of the infrared sensor 244 is electrically connected to the acquisition feedback end of the main board 220. The infrared sensor 244 is disposed on the display screen body 241, and the sensing end of the infrared sensor 244 is disposed toward the horizontal swing arc surface 2351, so that the infrared sensor 244 detects the presence of foreign objects through infrared rays. It is understood that after the infrared sensor 244 is disposed, the infrared sensor 244 can be used to remotely detect the presence of foreign objects (such as fingers), thereby preventing the display screen body 241 from further horizontally adjusting the display angle until there is no foreign object between the horizontal swing arc surface 2351 and the display screen body 241, at which point the blocking action is released. In this way, the provision of the infrared sensor 244 can prevent pinching caused by misoperation, thereby ensuring the safety of product use.

[0058] In another embodiment, Figure 10 As shown, the acquisition terminal of the infrared sensor 244 is electrically connected to the acquisition feedback terminal of the motor control module 224. The motor control module 224 stops driving the third adjustment motor 236 based on the information collected by the infrared sensor 244. In other words, if the infrared sensor 244 detects the presence of a foreign object, the motor control module 224 stops driving the third adjustment motor 236 regardless of whether the facial image captured by the image sensor 242 is complete. If the infrared sensor 244 does not detect the presence of a foreign object, the motor control module 224 removes the restriction on the third adjustment motor 236.

[0059] like Figure 11As shown, the present disclosure also provides a method for image acquisition, adjustment and display angle control of a multifunctional podium, which is performed using any of the multifunctional podiums based on the smart screen system in the above embodiments, and includes some or all of the following steps:

[0060] S101. The image sensor collects facial images and confirms the current facial image ratio. It can be understood that when a lecturer uses a multi-functional podium and the human eye is within the collection range of the image sensor, the image sensor begins to collect facial information and feeds the facial information back to the image recognition module of the mainboard in the form of an electrical signal to prepare for comparison with the baseline facial information.

[0061] S102. Compare whether the current facial image proportion value is within the benchmark facial image proportion value range; in this embodiment, after the image recognition module obtains the current facial image information, the image comparison module compares the current facial image information with the facial information of the image benchmark module to confirm whether the current facial image information is consistent with the benchmark facial information, that is, whether the current facial image proportion value matches the facial image proportion value under the benchmark, wherein the facial image proportion value is the proportion of the face in the collected image to the overall image.

[0062] S103. If the current facial image ratio falls outside the reference facial image ratio range, the angle adjustment mechanism is driven to adjust the angle until the current facial image ratio value obtained by the image sensor matches the reference facial image ratio value. In this embodiment, if the current facial image ratio value falls outside the reference facial image ratio range, it indicates that the image sensor has not captured a complete face image. Thus, the image comparison module outputs a result that is fed back to the motor control module, causing the motor control module to enable the first and / or second adjustment motors of the angle adjustment mechanism, thereby driving the first and / or second swing arms, thereby causing the display body to rotate a certain angle until the display angle faces the lecturer. At this point, the image sensor captures a more complete view of the lecturer's face, and the lecturer is not forced to view the screen in an unnatural posture (bending over or tilting their head). Specifically, when the image sensor captures an incomplete upper or lower half of the lecturer's face, the first and / or second adjustment motors are driven to vertically adjust the display angle of the display body.

[0063] In another embodiment, when the image sensor captures incomplete left or right side of the lecturer's face but can capture the upper and lower halves, only the third adjustment motor is driven to adjust the display angle of the display screen body horizontally.

[0064] In another embodiment, when the image sensor captures an incomplete upper left part, an incomplete lower left part, an incomplete upper right part, or an incomplete lower right part of the lecturer's face, the third adjustment motor and at least one of the first adjustment motor and the second adjustment motor are driven to adjust the display angle of the display screen body in the horizontal and vertical directions at the same time.

[0065] In one embodiment, after executing S102, the process further includes: if the current facial image ratio falls within the reference facial image ratio range, maintaining the angle adjustment mechanism's current adjustment angle. In this embodiment, after the image sensor captures the lecturer's facial information, it feeds it back to the image recognition module in the form of an electrical signal. This signal is then compared with the facial information from the image reference module. If the captured facial image ratio falls within the reference facial image ratio range, indicating that the image sensor has captured a relatively complete face, the first, second, and third adjustment motors are no longer driven, maintaining the current display angle of the display screen.

[0066] In one embodiment, before executing S101, the steps include: obtaining a capture start time; detecting whether the capture start time is greater than or equal to a critical start time; and executing S101 if the capture start time is greater than or equal to the critical start time. In this embodiment, when the lecturer's face is facing the display screen body and remains facing the display screen body for a period of time, the image sensor begins capturing facial information. This ensures accurate capture of the lecturer's facial information and allows for better control of the activation of the first, second, and third adjustment motors based on the current state of the facial information, thereby adjusting the display angle of the display screen body.

[0067] In another embodiment, the acquisition start time is obtained, and the method further includes: if the acquisition start time is less than the critical start time, disabling the image sensor. In this manner, when a user passes by the multifunctional podium, the user falls within the acquisition range of the image sensor, and the acquisition start time is calculated. However, since the user merely passes by the multifunctional podium and does not move their face toward the display screen, the acquired acquisition start time is insufficient to activate the image sensor. Consequently, the first, second, and third adjustment motors are not activated to adjust the display angle of the display screen. This prevents the image sensor from being accidentally activated by the user passing by.

[0068] In one embodiment, the reference facial image ratio value range is 45%-50%, so that the image comparison module compares the current facial image information with the facial information of the image reference module, and confirms whether the current facial image ratio value is within the reference facial image ratio value range based on the values ​​of the two, and then determines whether to drive the first adjustment motor, the second adjustment motor or the third adjustment motor.

[0069] Compared with the prior art, the present disclosure has at least the following advantages:

[0070] The above-mentioned multifunctional podium 10 based on the smart screen system adopts an angle adjustment mechanism 230 and an image sensor 242, that is, after the image sensor 242 collects the position of the person, it controls the first adjustment motor 231 and / or the second adjustment motor 234 to start according to the collected information, thereby making the first swing arm 232 and / or the second swing arm 235 swing a certain angle to drive the display screen body 241 to rotate a certain angle until the sensing area of ​​the image sensor 242 can cover the entire face of the lecturer, that is, the display surface of the display screen body 241 faces the lecturer's face, so that the multifunctional podium 10 can be well adapted to the usage needs of different lecturers.

[0071] The above-described embodiments merely represent several implementation methods of the present disclosure. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the disclosed patent. It should be noted that a person of ordinary skill in the art may make various modifications and improvements without departing from the scope of the present disclosure, all of which fall within the scope of protection of the present disclosure. Therefore, the scope of protection of the disclosed patent shall be determined by the appended claims.

Claims

1. A multifunctional podium based on a smart screen system, comprising a podium body and a multifunctional display, wherein the multifunctional display is arranged on the podium body, characterized in that: The multifunctional display comprises a main box, a main board, an angle adjustment mechanism and a display screen. The main box is arranged on the main body of the podium, and the main board is arranged inside the main box. The display screen includes a display screen body and an image sensor, wherein the image sensor is mounted on a display surface of the display screen body; The angle adjustment mechanism includes a first adjustment motor, a first swing rod, a transition rod, a second adjustment motor and a second swing rod, wherein the first adjustment motor is mounted on the main box, one end of the first swing rod is connected to the drive shaft of the first adjustment motor, and the other end of the first swing rod is fixedly connected to the transition rod, the second adjustment motor is mounted on the transition rod, one end of the second swing rod is connected to the drive shaft of the second adjustment motor, and the other end of the second swing rod is connected to the display screen body; The display output end of the main board is electrically connected to the display screen body, the acquisition end of the image sensor is electrically connected to the acquisition signal receiving end of the main board, the drive control end of the main board is electrically connected to the first adjustment motor, and the drive control end of the main board is electrically connected to the second adjustment motor, so that the main board drives the first adjustment motor and / or the second adjustment motor to start according to the acquisition information of the image sensor to swing the first swing arm and / or the second swing arm.

2. The multifunctional podium based on the smart screen system according to claim 1 is characterized in that: The display screen further includes a touch screen component, which is installed on one side of the display screen body.

3. The multifunctional podium based on the smart screen system according to claim 2 is characterized in that: The touch screen component includes a touch screen pen and a placement plate. The placement plate is connected to one side of the display screen body, and the touch screen pen is movably arranged on the placement plate.

4. The multifunctional podium based on the smart screen system according to claim 3 is characterized in that: The placement plate is provided with a receiving groove, and the touch screen pen can be movably arranged in the receiving groove.

5. The multifunctional podium based on the smart screen system according to claim 1 is characterized in that: The multifunctional podium further includes a central control touch screen panel, which is arranged on the podium body and is communicatively connected to the main board.

6. The multifunctional podium based on the smart screen system according to claim 1 is characterized in that: The second swinging rod is perpendicular to the display screen body.

7. The multifunctional podium based on the smart screen system according to claim 1 is characterized in that: A data port is provided on the side of the host box, and the data port is electrically connected to the data transmission end of the mainboard.

8. The multifunctional podium based on the smart screen system according to claim 7 is characterized in that: The data port includes a USB port, an HDMI port and a Type-C port, and the USB port, the HDMI port and the Type-C port are all electrically connected to the data transmission end of the mainboard.

9. A method for image acquisition, adjustment and control of display angle of a multifunctional podium, characterized in that: The method is performed using the multifunctional podium based on the smart screen system as described in any one of claims 1 to 8, and includes the following steps: S101, the image sensor collects a facial image and determines the current facial image ratio; S102, comparing whether the current facial image ratio is within a reference facial image ratio range; S103: If the current facial image ratio is outside the reference facial image ratio range, drive the angle adjustment mechanism to adjust the angle until the current facial image ratio obtained by the image sensor matches the reference facial image ratio.

10. The method for image acquisition, adjustment and display angle control of a multifunctional podium according to claim 9, characterized in that: After executing S102, the following steps are also included: If the current facial image ratio value is within the reference facial image ratio value interval, the current adjustment angle of the angle adjustment mechanism is maintained.

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