CN116346518A - Digital multimedia conference control system and control method - Google Patents

Digital multimedia conference control system and control method Download PDF

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Publication number
CN116346518A
CN116346518A CN202310613868.8A CN202310613868A CN116346518A CN 116346518 A CN116346518 A CN 116346518A CN 202310613868 A CN202310613868 A CN 202310613868A CN 116346518 A CN116346518 A CN 116346518A
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China
Prior art keywords
gear
sliding pin
multimedia conference
information
control
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CN202310613868.8A
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Chinese (zh)
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CN116346518B (en
Inventor
党衍军
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Anhui Tianyu Audio Visual Equipment Co ltd
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Anhui Tianyu Audio Visual Equipment Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • H04L12/18Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1822Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/10Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/16Arrangements for providing special services to substations
    • H04L12/18Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/1813Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
    • H04L12/1827Network arrangements for conference optimisation or adaptation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Set Structure (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a digital multimedia conference control system and a control method, wherein the digital multimedia conference control system comprises: the detection module is used for detecting whether meeting participants are seated at the seat of each multimedia meeting subunit and generating detection information; the authentication module is used for authenticating the identity information of each conference participant; the control module is used for receiving the control information, the detection information and the identity information and outputting driving information; the driving module is used for receiving the driving information to drive the corresponding multimedia conference subunit to be opened; the multimedia conference subunit is embedded, and the driving module drives the multimedia conference subunit to change the embedded state of the multimedia conference subunit.

Description

Digital multimedia conference control system and control method
Technical Field
The invention belongs to the technical field of multimedia conference systems, and particularly relates to a digital multimedia conference control system and a control method.
Background
The digital multimedia conference system adopts an all-electronic mode to operate conference management, has conference functions of video display, file, data service, speaking, voting and the like, and is a better solution in modern conferences.
In a digital multimedia conference system, a display device is generally required to show conference contents to participants, and meanwhile, the display device also integrates voice input and voice output functions. Conventionally, the display device is directly placed on the desktop and can be moved at will, but on one hand, various wiring ports are exposed, the desktop space is occupied, and the arrangement is difficult, and on the other hand, the whole meeting place is poor in neatness due to the fact that the display device is moved and placed by a user.
The embedded digital multimedia conference system well solves the problems, the embedded multimedia conference unit can hide the conference unit in a conference desktop during a non-conference period, and the conference period is opened simultaneously.
However, when the embedded digital multimedia conference system is used, the embedded digital multimedia conference system is opened uniformly, the scale of the conference is often different, the number of people is not matched with the display device of the digital multimedia conference system, and especially the number of the multimedia conference systems exceeds the number of participants, the opening of the digital multimedia conference system by staff according to the individual control of the number of the participants on site is obviously extremely low in efficiency; all the digital multimedia conference systems are directly opened before the conference, on one hand, the partially opened digital multimedia conference systems are not used by people, so that energy is wasted, on the other hand, some conferences have special security requirements, and the security of conference contents needs to be ensured as much as possible before the conference starts, so that the opened digital multimedia conference systems can prevent the meeting requirements from being executed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the following technical scheme:
a digital multimedia conference control system comprising:
the detection module is used for detecting whether meeting participants are seated at the seat of each multimedia meeting subunit and generating detection information;
the authentication module is used for authenticating the identity information of each conference participant;
the control module is used for receiving the control information, the detection information and the identity information and outputting driving information;
the driving module is used for receiving the driving information to drive the corresponding multimedia conference subunit to be opened;
the multimedia conference subunit is embedded, and the driving module drives the multimedia conference subunit to change the embedded state of the multimedia conference subunit.
In some embodiments, the detection module includes a pressure sensor disposed on the seat and/or an infrared sensor disposed on the seat.
In some embodiments, the authentication module includes an identification card reader and/or a verification code input device.
As a further improvement of the above technical solution, the driving module includes:
a fixed base;
a cover plate;
a driving motor;
the gear transmission assembly comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a meshing belt, wherein the first gear is fixedly connected with an output shaft of the driving motor, the second gear is coaxially and fixedly connected with the third gear, the third gear is meshed with the fourth gear, the first gear, the second gear and the fifth gear are meshed with the meshing belt, the fourth gear is connected with the fixed base, and the fifth gear is connected with the cover plate;
the driving motor works to drive the cover plate and the fixed base to turn in opposite directions.
As a further improvement of the above technical solution, the driving module further includes:
the ratchet assembly comprises a ratchet and a pawl sleeve, the ratchet is fixedly connected with the second gear, a pawl matched with the ratchet is arranged in the pawl sleeve, the ratchet and the pawl are in a locking state when the fixed base is turned down and closed, and the ratchet and the pawl are in an unlocking state when the fixed base is turned up and opened;
the rotating shaft of the generator is fixed with the pawl sleeve;
the first sliding pin connecting assembly is connected between the fourth gear and the fixed base, the fourth gear is in locking connection with the fixed base through the first sliding pin connecting assembly when the ratchet assembly is in a locking state, and the fourth gear is in deflection connection with the fixed base through the first sliding pin connecting assembly when the ratchet assembly is in an unlocking state;
the second sliding pin connecting assembly is connected between the fifth gear and the cover plate, the fifth gear and the cover plate are in deflection connection through the second sliding pin connecting assembly when the ratchet assembly is in a locking state, and the fifth gear and the cover plate are in locking connection through the second sliding pin connecting assembly when the ratchet assembly is in an unlocking state.
Preferably, the first sliding pin connection assembly includes:
the first control wheel is fixedly connected with the fourth gear, a first special-shaped hole and a first electromagnet are arranged in the first control wheel, two first conductive rings are fixed outside the first control wheel, and the two first conductive rings are electrically connected with the first electromagnet through first leads respectively;
the first sliding pin is arranged in the first special-shaped hole in a sliding way, the part of the first sliding pin, which is arranged in the first special-shaped hole in a sliding way, is a magnetic body, and a first blade is arranged on the side wall of the first sliding pin;
the first connecting wheel is internally provided with a first sliding hole matched with the first sliding pin, a first fan-shaped groove and a first strip-shaped groove which are communicated are arranged on the side of the first sliding hole, the first fan-shaped groove is arranged at one end far away from the first control wheel, and the first strip-shaped grooves are uniformly distributed on the section projection of the first fan-shaped groove at intervals;
the first spring is arranged in the first special-shaped hole;
the first spring presses the first blade of the first sliding pin into the first fan-shaped groove in a normal state, and the fourth gear is in deflection connection with the fixed base; when the ratchet wheel assembly is in a locking state, the generator supplies power to the first electromagnet to attract the first sliding pin, so that the first blade is clamped into the first strip-shaped groove, and the fourth gear is in locking connection with the fixed base.
Preferably, the second sliding pin connection assembly includes:
the second control wheel is fixedly connected with the fifth gear, a second special-shaped hole and a second electromagnet are arranged in the second control wheel, two second conductive rings are fixed outside the second control wheel, and the two second conductive rings are respectively and electrically connected with the second electromagnet through second leads;
the second sliding pin is arranged in the second special-shaped hole in a sliding way, the part of the second sliding pin, which is arranged in the second special-shaped hole in a sliding way, is a magnetic body, and a second blade is arranged on the side wall of the second sliding pin;
the second connecting wheel is internally provided with a second sliding hole matched with the second sliding pin, a second fan-shaped groove and a second strip-shaped groove which are communicated are arranged on the side of the second sliding hole, the second fan-shaped groove is arranged at one end close to the second control wheel, and the second strip-shaped grooves are uniformly distributed on the section projection of the second fan-shaped groove at intervals;
the second spring is arranged in the second special-shaped hole;
the second spring presses the second blade of the second sliding pin into the second bar-shaped groove in a normal state, and the fifth gear is in locking connection with the cover plate; when the ratchet wheel component is in a locking state, the generator supplies power to the second electromagnet to attract the second sliding pin, so that the second blade slides into the second fan-shaped groove, and the fifth gear is in locking connection with the cover plate.
In addition, the invention also provides a control method which is applied to any one of the digital multimedia conference control systems and comprises the following steps:
acquiring detection information, wherein the detection information is generated by detecting that a meeting participant is seated;
acquiring identity information, wherein the identity information is authenticated after being input by conference participants;
acquiring control information, wherein the control information is issued by a conference host;
the control module outputs driving information to drive the driving module to open the multimedia conference subunit corresponding to the conference participants.
The beneficial effects of the invention are as follows:
(1) According to the meeting situation, the multimedia conference subunits are accurately controlled to be opened, only meeting personnel are seated after meeting, the detection module generates detection information, the meeting personnel register authentication identity information, meanwhile, when the conference host unit sends control information to control all the multimedia conference subunits to be opened, the corresponding multimedia conference subunits can be opened, the problem that the staff can independently control the opening of the multimedia conference subunits according to the number of the on-site meeting personnel is solved, the number and the positions of the opened multimedia conference subunits are corresponding to those of the meeting personnel, the problem that the energy waste is caused by the fact that part of the multimedia conference subunits are not used after the opening of all the multimedia conference subunits is uniformly controlled is avoided, and the control mode of the multimedia conference subunits realized by the control system can ensure the confidentiality of conference contents relative to all the meeting personnel before the meeting is started, and can meet the special requirements of some confidentiality of the meeting;
(2) The conference sign-in can be synchronously completed, the conference program is simplified, the authentication module not only plays a role in outputting information to jointly control the opening of the multimedia conference subunit in the whole control system, but also plays a role in conference sign-in due to the self identity authentication;
(3) The multimedia conference subunit and the cover plate are driven to be synchronously opened and closed, the gear transmission assembly is driven by the driving motor, the fixed base used for fixing the multimedia conference subunit and the cover plate are further driven to be turned over in opposite directions, the cover plate can be synchronously opened and closed along with the multimedia conference subunit, and the closed cover plate can play a role in protecting the multimedia conference subunit embedded in the conference table, so that the problems of dust accumulation and damage are avoided;
(4) The method comprises the steps that mutual interference between a multimedia conference subunit and a cover plate is avoided when the multimedia conference subunit and the cover plate are synchronously opened or closed, and a ratchet wheel assembly, a generator, a first sliding pin connecting assembly and a second sliding pin connecting assembly are arranged, so that the generator does not work when the multimedia conference subunit and the cover plate are controlled to be opened, the first sliding pin connecting assembly enables a fourth gear to be in deflection connection with a fixed base, the second sliding pin connecting assembly enables a fifth gear to be in locking connection with the cover plate, and the cover plate is enabled to normally overturn but the fixed base is enabled to delay overturning; when the multimedia conference subunit and the cover plate are controlled to be closed, the generator works, the first sliding pin connecting component enables the fourth gear to be in locking connection with the fixed base, the second sliding pin connecting component enables the fifth gear to be in deflection connection with the cover plate, and then the fixed base can normally overturn but the cover plate delays overturning.
Drawings
FIG. 1 is a schematic diagram of a control system in an embodiment;
FIG. 2 is a schematic diagram showing a state in which the driving module does not open the display screen in the embodiment;
FIG. 3 is a schematic diagram showing a state of the driving module after the display screen is opened in the embodiment;
FIG. 4 is a schematic diagram of a gear assembly according to an embodiment;
FIG. 5 is a schematic diagram illustrating the cooperation of the ratchet assembly, the generator and the second gear in an embodiment;
FIG. 6 is a schematic diagram showing the mating of the first slide pin connection assembly with the fourth gear in an embodiment;
FIG. 7 is a schematic diagram illustrating an exploded condition of FIG. 6 in an embodiment;
FIG. 8 is a front view of the connection of the first slide pin connection assembly to the fourth gear in an embodiment;
FIG. 9 is a schematic view of A-A of FIG. 8 in an embodiment;
FIG. 10 is a schematic diagram of B-B of FIG. 8 in an embodiment;
FIG. 11 is a schematic view showing the structure of a first control wheel in the embodiment;
FIG. 12 is a schematic illustration of the second slide pin connection assembly mated with a fifth gear in an embodiment;
FIG. 13 is a schematic diagram showing an exploded state of FIG. 12 in an embodiment;
FIG. 14 is a front view of the connection of the second slide pin connection assembly to the fifth gear in the embodiment;
FIG. 15 is a schematic view of C-C of FIG. 14 in an embodiment;
FIG. 16 is a schematic view of D-D of FIG. 14 in an embodiment;
FIG. 17 is a schematic diagram showing the structure of a second control wheel in the embodiment;
fig. 18 is a schematic diagram showing a positional relationship between a first blade and a first fan-shaped groove in an initial state in which a driving module drives a display screen to turn over and open in an embodiment;
fig. 19 is a schematic diagram showing a positional relationship between a second blade and a second fan-shaped groove in an initial state in which a driving module drives a display screen to turn over and close in an embodiment;
reference numerals: 10. a detection module; 20. an authentication module; 30. a control module; 40. a driving module; 41. a driving motor; 42. a gear drive assembly; 421. a first gear; 422. a second gear; 423. a third gear; 424. a fourth gear; 425. a fifth gear; 426. a meshing belt; 43. a fixed base; 44. a cover plate; 45. a ratchet assembly; 451. a ratchet wheel; 452. a pawl sleeve; 46. a generator; 47. a first slide pin connection assembly; 471. a first control wheel; 4711. a first shaped hole; 4712. a first electromagnet; 4713. a first conductive ring; 4714. a first wire; 4715. a first spring; 472. a first slide pin; 4721. a first blade; 473. a first connecting wheel; 4731. a first fan-shaped groove; 4732. a first bar-shaped groove; 4733. a first slide hole; 48. a second slide pin connection assembly; 481. a second control wheel; 4811. a second shaped hole; 4812. a second electromagnet; 4813. a second conductive ring; 4814. a second wire; 4815. a second spring; 482. a second slide pin; 4821. a second blade; 483. a second fifth wheel; 4831. a second fan-shaped groove; 4832. a second bar-shaped groove; 4833. a second slide hole; 100. and a display screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments.
Examples
The digital multimedia conference control system according to this embodiment is used for controlling the working state of a digital multimedia conference system, where the multimedia conference system at least includes a conference host unit and a plurality of multimedia conference subunits, where the multimedia conference subunits refer to devices capable of implementing conference functions such as video display systems, files, data service systems, speaking and voting, and may be a plurality of separate components, or may be a total component integrated on the same device, for example, may be a display device integrated with display, sound output and sound collection, where the multimedia conference subunits are embedded in a conference table during a non-conference period, and may be opened from the conference table during a conference period by being empty to control to display conference contents to participants.
Fig. 1 shows a schematic diagram of a control system in an embodiment, the control system comprising:
a detection module 10, configured to detect whether a conference participant is seated at a seat of each multimedia conference subunit and generate detection information;
an authentication module 20, configured to authenticate identity information of each participant;
a control module 30 for receiving control information, detection information, identity information and outputting driving information;
the driving module 40 is used for receiving the driving information to drive the corresponding multimedia conference subunit to be opened;
the detection module 10, the authentication module 20, the control module 30 and the driving module 40 are set in groups, and each group corresponds to a multimedia conference subunit, and the opening of the multimedia conference subunit includes the driving of the change of the position state of the multimedia conference subunit extending from the conference desktop, and the powering on of the multimedia conference subunit, so that the functions of the multimedia conference subunit such as display, sound output, sound collection and the like can work normally.
The digital multimedia conference control system can realize the following functions:
(1) According to the specific meeting situation, the opening of the multimedia conference subunit is controlled, only the meeting personnel are seated after meeting, the detection module 10 can generate detection information, and the meeting personnel need to register authentication identity information, the two data information indicate that the seat corresponding to the multimedia conference subunit is occupied and meets the meeting personnel meeting the meeting requirements, in this state, when the control module 30 receives the detection information and the identity information, the conference host unit can send control information to control the opening of all the multimedia conference subunits, but the control module 30 only receives the control information, the detection information and the identity information at the same time to output driving information, so that the problem of inefficiency of the opening of the multimedia conference subunits by the personnel according to the individual control of the meeting personnel on site can be avoided, the number and the position of the opened multimedia conference subunits are corresponding to the meeting personnel, the problem of energy waste caused by unmanned use of part of the multimedia conference subunits after the opening of all the multimedia conference subunits is uniformly controlled is avoided, and the control mode of the multimedia conference subunits realized by the control system can ensure confidentiality and confidentiality of meeting contents of the meeting personnel meeting the meeting requirements;
(2) The authentication module 20 not only plays a role in outputting information to jointly control the opening of the multimedia conference subunit in the whole control system, but also plays a role in registering a conference by the identity authentication function of the authentication module, so that the conference procedure can be simplified.
In some embodiments, the detection module 10 is a pressure sensor disposed on the seat, and the pressure sensor generates a pressure signal to form detection information when a participant is seated on the seat.
In some embodiments, the detection module 10 is an infrared sensor disposed on the seat, and the infrared sensor detects that the human body forms detection information when a participant is seated on the seat.
In some embodiments, authentication module 20 is an identification card reader that can read and recognize the identity information of participants.
In some specific embodiments, the authentication module 20 is a verification code input device, after the meeting participants are seated, a verification code matched with the identity information is input on the verification code input device, the verification code is a verification code determined by meeting sponsors in advance according to the meeting participants, each verification code corresponds to each meeting participant, for example, the verification code of Zhang three is 000694, the verification code of Lisi four is 001231, and the corresponding verification code library of all meeting participants can be distributed in advance through the meeting host unit in the control module 30.
The control module 30 is configured to receive control information, detection information, identity information, and output driving information, and the specific process is as follows:
judging whether control information is received, if so, carrying out the next step;
judging whether detection information is received, if so, carrying out the next step;
judging whether the identity information is received or not, if so, matching the identity information with verification codes in a preset verification code library, and if the identity information is matched with any verification code, performing the next step;
outputting driving information;
if any one of the above steps is no, the next step cannot be performed, but the current step is intermittently repeated, if the detection information is not received after the control information is received, the detection information is intermittently received;
or (b)
Judging whether control information is received, if so, carrying out the next step;
judging whether the identity information is received or not, if so, matching the identity information with verification codes in a preset verification code library, and if the identity information is matched with any verification code, performing the next step;
judging whether detection information is received, if so, carrying out the next step;
outputting driving information;
if any one of the above steps is no, the next step cannot be performed, but the current step is intermittently repeated;
or (b)
Judging whether the identity information is received or not, if so, matching the identity information with verification codes in a preset verification code library, and if the identity information is matched with any verification code, performing the next step;
judging whether control information is received, if so, carrying out the next step;
judging whether detection information is received, if so, carrying out the next step;
outputting driving information;
if any one of the above steps is no, the next step cannot be performed, but the current step is intermittently repeated;
or (b)
Judging whether the identity information is received or not, if so, matching the identity information with verification codes in a preset verification code library, and if the identity information is matched with any verification code, performing the next step;
judging whether detection information is received, if so, carrying out the next step;
judging whether control information is received, if so, carrying out the next step;
outputting driving information;
if any one of the above steps is no, the next step cannot be performed, but the current step is intermittently repeated;
or (b)
Judging whether detection information is received, if so, carrying out the next step;
judging whether the identity information is received or not, if so, matching the identity information with verification codes in a preset verification code library, and if the identity information is matched with any verification code, performing the next step;
judging whether control information is received, if so, carrying out the next step;
outputting driving information;
if any one of the above steps is no, the next step cannot be performed, but the current step is intermittently repeated;
or (b)
Judging whether detection information is received, if so, carrying out the next step;
judging whether control information is received, if so, carrying out the next step;
judging whether the identity information is received or not, if so, matching the identity information with verification codes in a preset verification code library, and if the identity information is matched with any verification code, performing the next step;
outputting driving information;
if any of the above steps is no, the next step cannot be performed, but the current step is intermittently repeated.
In this embodiment, the driving module 40 is configured to drive the multimedia conference subunit to open and extend from the conference table, where the multimedia conference subunit is a display screen 100 integrated with conference functions such as a video display system, a file, a data service system, speaking and voting, and in this embodiment, the multimedia conference subunit is represented by the display screen 100 later, but the multimedia conference subunit is not limited to only be displayed or operated in this state.
Fig. 2 and 3 are schematic structural views of the driving module 40, wherein fig. 2 is a schematic view of a state in which the driving module 40 does not open the display 100, and fig. 3 is a schematic view of a state in which the driving module 40 opens the display 100.
Referring to fig. 2 and 3, the driving module 40 includes a driving motor 41, a gear assembly 42, a fixed base 43 and a cover plate 44, wherein the driving motor 41 is used as a power output source, and the gear assembly 42 drives the fixed base 43 and the cover plate 44 to turn in opposite directions at the same time, so as to achieve the purposes of opening the cover plate 44, turning and extending the fixed base 43, turning and recovering the fixed base 43, and opening and closing the cover plate 44.
Fig. 4 shows a schematic structural view of the gear assembly 42, where the gear assembly 42 includes a first gear 421, a second gear 422, a third gear 423, a fourth gear 424, a fifth gear 425, and a meshing belt 426, the first gear 421 is fixedly connected coaxially with the output shaft of the driving motor 41, the second gear 422 is fixedly connected coaxially with the third gear 423, the third gear 423 is meshed with the fourth gear 424, the first gear 421, the second gear 422, and the fifth gear 425 are meshed with the meshing belt 426, and when the driving motor 41 is driven clockwise in the X direction shown in fig. 4, the first gear 421, the second gear 422, the third gear 423, the fifth gear 425, and the meshing belt 426 are also rotated clockwise at the same time, and the fourth gear 424 meshed with the third gear 423 is rotated counterclockwise in opposite directions.
Referring to fig. 2 to 4, the cover plate 44 is fixedly connected with the fifth gear 425 coaxially, and the fixed base 43 is fixedly connected with the fourth gear 424 coaxially, so that when the driving motor 41 receives driving information for clockwise driving, the cover plate 44 can be controlled to be opened, the fixed base 43 is rotated and extended out of the conference table, when the driving motor 41 receives driving information for anticlockwise driving, the fixed base 43 can be controlled to be turned over and stored in the conference table, the cover plate 44 is turned over and closed, and a groove for accommodating the display screen 100 is sealed.
Based on the above-described related structure of the driving module 40, since the display screen 100 and the cover plate 44 are in opposite overturning directions, there may be a situation that the display screen 100 and the cover plate 44 interfere with each other during overturning, that is, when the cover plate 44 is not fully opened, the display screen 100 may touch the cover plate 44 during overturning and opening.
In order to solve the problem, on the basis of the original structure of the driving module 40, a ratchet assembly 45, a generator 46, a first sliding pin connecting assembly 47 and a second sliding pin connecting assembly 48 are added, wherein the ratchet assembly 45 is fixedly connected with the second gear 422, the ratchet assembly 45 is fixedly connected with the rotating shaft of the generator 46, the first sliding pin connecting assembly 47 is connected between the fourth gear 424 and the fixed base 43, and the second sliding pin connecting assembly 48 is connected between the fifth gear 425 and the cover plate 44.
Fig. 5 shows a schematic diagram of the cooperation of the ratchet assembly 45, the generator 46 and the second gear 422, where the ratchet assembly 45 includes a ratchet 451 and a pawl sleeve 452, the ratchet 451 is fixedly connected with the second gear 422, the pawl sleeve 452 is fixedly connected with a rotating shaft of the generator 46, a pawl is disposed in the pawl sleeve 452, the cooperation structure of the ratchet 451 and the pawl described in this embodiment adopts a structure of the prior art, the ratchet 451 is non-linked and disposed in the pawl sleeve 452, so that the pawl in the pawl sleeve 452 abuts against the teeth of the ratchet 451.
Referring to fig. 4 and 5, when the driving motor 41 is driven clockwise along the X direction, both the cover plate 44 and the fixed base 43 are controlled to be opened, under this state, the pawl inside the pawl sleeve 452 and the ratchet 451 are in an unlocked state, i.e. when the ratchet 451 rotates along with the second gear 422, the pawl inside the pawl sleeve 452 slides out of the ratchet 451, in this state, the rotating shaft of the generator 46 cannot rotate, and the generator 46 cannot work; when the driving motor 41 drives anticlockwise, the pawl inside the pawl sleeve 452 and the ratchet 451 are in a locking state, and when the ratchet 451 rotates along with the second gear 422, the pawl inside the pawl sleeve 452 is clamped into the teeth of the ratchet 451 and drives the pawl sleeve 452 and the generator 46 fixed with the pawl sleeve 452 to synchronously rotate, so that the generator 46 can work and form current.
Fig. 6 is a schematic diagram illustrating the cooperation of the first sliding pin connection assembly 47 and the fourth gear 424, fig. 7 is a schematic diagram illustrating the explosion state of fig. 6, the first sliding pin connection assembly 47 includes a first control wheel 471, a first sliding pin 472 and a first connection wheel 473, wherein the first control wheel 471 is directly fixedly connected with the fourth gear 424, one end of the first sliding pin 472 is slidably disposed in the first control wheel 471, the other end of the first sliding pin 472 is slidably disposed in the first connection wheel 473, the first sliding pin 472 can change the connection state with the first connection wheel 473 by sliding relative to the first connection wheel 473, and the first connection wheel 473 is fixedly connected with the fixing base 43.
Referring to fig. 7, one end of the first sliding pin 472 slidably fitted with the first connection wheel 473 is provided with a first blade 4721 protruding from the side wall, and the first sliding pin 472 changes the connection state of the first sliding pin 472 with the first connection wheel 473 by sliding to change the position of the first blade 4721 within the first connection wheel 473.
Fig. 8 is a front view showing connection of the first sliding pin connection assembly 47 and the fourth gear 424, fig. 9 is a schematic view of A-A in fig. 8, fig. 10 is a schematic view of B-B in fig. 8, a first sliding hole 4733 matched with the first sliding pin 472 is provided at the center of the first connection wheel 473, a first fan-shaped groove 4731 and a first bar-shaped groove 4732 are provided on the side of the first sliding hole 4733, the first fan-shaped groove 4731 is provided at one end far from the first control wheel 471, and the first bar-shaped grooves 4732 are uniformly distributed at intervals on the cross-sectional projection of the first fan-shaped groove 4731. When the first sliding pin 472 slides in a direction away from the first control wheel 471, the first blade 4721 on the first sliding pin 472 slides out of the first bar-shaped groove 4732 into the first fan-shaped groove 4731, and at this time, the first sliding pin 472 rotates within a certain angle range, the first connecting wheel 473 does not rotate, so the fixed base 43 does not rotate along with the first connecting wheel 473; when the first sliding pin 472 slides in a direction approaching the first control wheel 471, the first blade 4721 on the first sliding pin 472 slides into the first bar-shaped groove 4732, the first blade 4721 engages with the first bar-shaped groove 4732 to fix the first sliding pin 472 and the first connecting wheel 473, and at this time, the first sliding pin 472 rotates to drive the first connecting wheel 473 and the fixing base 43 to rotate synchronously.
Fig. 11 is a schematic structural view of a first control wheel 471, in which a first special-shaped hole 4711 for accommodating the sliding of the first sliding pin 472 is provided in the first control wheel 471, and a portion of the first sliding pin 472 in the first control wheel 471 is the same as the cross section of the first special-shaped hole 4711, so that the first control wheel 471 can drive the first sliding pin 472 to rotate synchronously, in this embodiment, the first special-shaped hole 4711 is a shape other than a non-circular cross section, a first electromagnet 4712 is fixed in the first control wheel 471, two first conductive rings 4713 are fixed outside the first control wheel 471, the two first conductive rings 4713 are connected with the first electromagnet 4712 through first conductive wires 4714, and the generator 46 is in contact with the first conductive rings 4713 through the two conductive wires and the electric brushes according to the foregoing description, when the generator 46 works, the electric energy is provided for the first electromagnet 4712 to generate magnetism.
Referring to fig. 11, a first spring 4715 is disposed in the first shaped hole 4711, the first spring 4715 acts on the first sliding pin 472 in a normal state to enable the first blade 4721 to be located in the first fan-shaped groove 4731, a portion of the first sliding pin 472 located in the first control wheel 471 is made of magnetic materials, and when the first electromagnet 4712 is electrified, the first electromagnet 4712 magnetically acts on the first sliding pin 472 against the action of the first spring 4715 to enable the first blade 4721 of the first sliding pin 472 to slide into the first bar-shaped groove 4732.
Fig. 12 is a schematic diagram illustrating the cooperation of the second sliding pin connection assembly 48 and the fifth gear 425, fig. 13 is a schematic diagram illustrating the explosion state of fig. 12, the second sliding pin connection assembly 48 includes a second control wheel 481, a second sliding pin 482 and a second connecting wheel 483, wherein the second control wheel 481 is directly fixedly connected with the fifth gear 425, one end of the second sliding pin 482 is slidably disposed in the second control wheel 481, the other end of the second sliding pin 482 is slidably disposed in the second connecting wheel 483, and the second sliding pin 482 can change the connection state with the second connecting wheel 483 by sliding relative to the second connecting wheel 483, and the second connecting wheel 483 is fixedly connected with the cover plate 44.
Referring to fig. 13, one end of the second sliding pin 482 slidably engaged with the second connecting wheel 483 is provided with a second blade 4821 protruding from the side wall, and the second sliding pin 482 changes the connection state of the second sliding pin 482 with the second connecting wheel 483 by sliding to change the position of the second blade 4821 within the second connecting wheel 483.
Fig. 14 is a front view showing the connection of the second slider pin connection assembly 48 to the fifth gear 425, fig. 15 is a schematic view of C-C in fig. 14, fig. 16 is a schematic view of D-D in fig. 14, the center of the second connecting wheel 483 is provided with a second slider hole 4833 engaged with the second slider pin 482, the second slider hole 4833 is laterally provided with a second fan-shaped groove 4831 and a second bar-shaped groove 4832 which are communicated, the second fan-shaped groove 4831 is provided at one end close to the second control wheel 481, and the second bar-shaped grooves 4832 are uniformly spaced on the cross-sectional projection of the second fan-shaped groove 4831. When the second sliding pin 482 slides in a direction approaching the second control wheel 481, the second blade 4821 on the second sliding pin 482 slides out of the second bar-shaped groove 4832 into the second fan-shaped groove 4831, and at this time, the second sliding pin 482 rotates within a certain angle range, the second connecting wheel 483 does not rotate, and therefore the cover plate 44 does not rotate along with the second connecting wheel 483; when the second sliding pin 482 slides in a direction away from the second control wheel 481, the second blade 4821 on the second sliding pin 482 slides into the second bar-shaped groove 4832, and the second blade 4821 engages with the second bar-shaped groove 4832 to fix the second sliding pin 482 and the second connecting wheel 483 relatively, and at this time, the second sliding pin 482 rotates to drive the second connecting wheel 483 and the cover 44 to rotate synchronously.
Fig. 17 shows a schematic structural diagram of a second control wheel 481, in which a second special-shaped hole 4811 for accommodating the second sliding pin 482 to slide is provided in the second control wheel 481, and a portion of the second sliding pin 482 in the second control wheel 481 is identical to the section of the second special-shaped hole 4811, so that the second control wheel 481 can drive the second sliding pin 482 to rotate synchronously, in this embodiment, the second special-shaped hole 4811 is a shape other than a non-circular shape in section, a second electromagnet 4812 is fixed in the second control wheel 481, two second conductive rings 4813 are fixed outside the second control wheel 481, the two second conductive rings 4813 are connected with the second electromagnet 4812 through second wires 4814 respectively, and according to the foregoing description, the generator 46 contacts the second conductive rings 4813 through the two wires and the electric brush, when the generator 46 operates, the generator 46 provides electric energy to the second electromagnet 4812 to generate magnetism.
Referring to fig. 17, a second spring 4815 is disposed inside the second shaped hole 4811, the second spring 4815 acts on the second sliding pin 482 in a normal state to enable the second blade 4821 to be located in the second bar-shaped groove 4812, a portion of the second sliding pin 482 located in the second control wheel 481 is made of a magnetic material, and when the second electromagnet 4812 is energized, the second electromagnet 4812 magnetically acts on the second sliding pin 482 against the action of the second spring 4815 to enable the second blade 48121 of the second sliding pin 482 to slide into the second fan-shaped groove 48131.
Based on the connection manner described in the present embodiment, the process of driving the display screen 100 to turn on and off by the driving module 40 described above is as follows:
when the motor is opened, the driving motor 41 works to drive the first gear 421 to rotate clockwise, the first gear 421 drives the second gear 422, the third gear 423 and the fifth gear 425 to rotate clockwise through the meshing belt 426, and the fourth gear 424 meshed with the third gear 423 rotates anticlockwise; meanwhile, the ratchet 451 connected to the second gear 422 also rotates clockwise, in this state, the generator 46 does not work, the first sliding pin 472 is acted by the first spring 4715 to make the first blade 4721 located in the first fan-shaped slot 4731, see fig. 18, in this state, the schematic diagram of the positional relationship between the first blade 4721 and the first fan-shaped slot 4731 is shown in the Y direction of fig. 18, and based on the counterclockwise rotation direction shown in the Y direction of fig. 18, the first blade 4721 is located at the front end of the rotation direction in the first fan-shaped slot 4731, that is, the fourth gear 424 drives the first blade 4721 to idle in the first fan-shaped slot 4731 by a certain angle until the first blade 4721 rotates to the other end of the first fan-shaped slot 4731, the first blade 4721 can drive the first connecting wheel 473 and the display screen 100 to rotate, in this state, the fourth gear 424 is connected to the fixed base 43 in a deflection manner;
in this state, the second sliding pin 482 is acted by the second spring 4815 to make the second blade 4821 be in the second bar-shaped groove 4832, the second sliding pin 482 and the second connecting wheel 483 are in a relatively fixed state, and in this state, the fifth gear 425 and the cover 44 are in locking connection; therefore, the fifth gear 425 directly drives the cover 44 to turn over, so that the display 100 can delay turning over and opening after the cover 44 is opened by a certain angle.
When the motor 41 is turned off, the first gear 421 is driven to rotate anticlockwise, the first gear 421 drives the second gear 422, the third gear 423 and the fifth gear 425 to rotate anticlockwise through the meshing belt 426, and the fourth gear 424 meshed with the third gear 423 rotates clockwise; simultaneously, the ratchet 451 connected to the second gear 422 also rotates anticlockwise, in this state, the generator 46 works to generate electric energy to supply power to the first electromagnet 4712, the first sliding pin 472 resists the action of the first spring 4715 under the action of magnetic adsorption to make the first blade 4721 and the first bar-shaped groove 4732 clamped, the first sliding pin 472 and the first connecting wheel 473 are in a relatively fixed state, in this state, the fourth gear 424 and the fixed base 43 are in locking connection, so that the fourth gear 424 directly drives the display screen 100 to turn and store;
in this state, the generator 46 simultaneously supplies power to the second electromagnet 4812, the second sliding pin 482 resists the action of the second spring 4815 under the action of magnetic attraction to enable the second blade 4821 to be located in the second fan-shaped groove 4811, see fig. 19, and in this state, the second blade 4821 and the second fan-shaped groove 4831 are in a schematic diagram of the positional relationship, with reference to the counterclockwise rotation direction shown in the Y direction in fig. 19, the second blade 4821 is located at the front end of the rotation direction in the second fan-shaped groove 4811, that is, the fifth gear 425 drives the second blade 4821 to idle in the second fan-shaped groove 4831 by a certain angle until the second blade 4821 rotates to the other end of the second fan-shaped groove 4811, the second blade 4821 can drive the second connecting wheel 483 and the cover plate 44 to rotate, in this state, the fifth gear 425 and the cover plate 44 are in a swinging connection, so that the display screen 100 can be turned over and closed by a certain angle first, and the cover plate 44 is turned and closed by delaying the turning.
In this embodiment, a transmission may be further disposed between the ratchet assembly 45 and the generator 46, so as to adjust the low-speed rotation of the ratchet assembly 45 to a high-speed output, and ensure that the generator 46 can provide relatively stable electric energy.
In addition, the embodiment also provides a control method based on the digital multimedia conference control system, and the method is applied to the control system and comprises the following steps:
acquiring detection information, wherein the detection information is generated by detecting that a meeting participant is seated;
acquiring identity information, wherein the identity information is authenticated after being input by conference participants;
acquiring control information, wherein the control information is issued by a conference host;
the driving information is outputted by the control module 30 to drive the driving module 40 to open the multimedia conference subunit corresponding to the conference participants.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting.

Claims (8)

1. A digital multimedia conference control system, comprising:
the detection module is used for detecting whether meeting participants are seated at the seat of each multimedia meeting subunit and generating detection information;
the authentication module is used for authenticating the identity information of each conference participant;
the control module is used for receiving the control information, the detection information and the identity information and outputting driving information;
the driving module is used for receiving the driving information to drive the corresponding multimedia conference subunit to be opened;
the multimedia conference subunit is embedded, and the driving module drives the multimedia conference subunit to change the embedded state of the multimedia conference subunit.
2. The digital multimedia conference control system according to claim 1, wherein the detection module comprises a pressure sensor provided on the seat and/or an infrared sensor provided on the seat.
3. The digital multimedia conference control system of claim 1, wherein the authentication module comprises an identification card reader and/or a verification code input device.
4. The digital multimedia conference control system of claim 1, wherein the driving module comprises:
a fixed base;
a cover plate;
a driving motor;
the gear transmission assembly comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a meshing belt, wherein the first gear is fixedly connected with an output shaft of the driving motor, the second gear is coaxially and fixedly connected with the third gear, the third gear is meshed with the fourth gear, the first gear, the second gear and the fifth gear are meshed with the meshing belt, the fourth gear is connected with the fixed base, and the fifth gear is connected with the cover plate;
the driving motor works to drive the cover plate and the fixed base to turn in opposite directions.
5. The digital multimedia conference control system of claim 4, wherein said drive module further comprises:
the ratchet assembly comprises a ratchet and a pawl sleeve, the ratchet is fixedly connected with the second gear, a pawl matched with the ratchet is arranged in the pawl sleeve, the ratchet and the pawl are in a locking state when the fixed base is turned down and closed, and the ratchet and the pawl are in an unlocking state when the fixed base is turned up and opened;
the rotating shaft of the generator is fixed with the pawl sleeve;
the first sliding pin connecting assembly is connected between the fourth gear and the fixed base, the fourth gear is in locking connection with the fixed base through the first sliding pin connecting assembly when the ratchet assembly is in a locking state, and the fourth gear is in deflection connection with the fixed base through the first sliding pin connecting assembly when the ratchet assembly is in an unlocking state;
the second sliding pin connecting assembly is connected between the fifth gear and the cover plate, the fifth gear and the cover plate are in deflection connection through the second sliding pin connecting assembly when the ratchet assembly is in a locking state, and the fifth gear and the cover plate are in locking connection through the second sliding pin connecting assembly when the ratchet assembly is in an unlocking state.
6. The digital multimedia conference control system of claim 5, wherein said first slide pin connection assembly comprises:
the first control wheel is fixedly connected with the fourth gear, a first special-shaped hole and a first electromagnet are arranged in the first control wheel, two first conductive rings are fixed outside the first control wheel, and the two first conductive rings are electrically connected with the first electromagnet through first leads respectively;
the first sliding pin is arranged in the first special-shaped hole in a sliding way, the part of the first sliding pin, which is arranged in the first special-shaped hole in a sliding way, is a magnetic body, and a first blade is arranged on the side wall of the first sliding pin;
the first connecting wheel is internally provided with a first sliding hole matched with the first sliding pin, a first fan-shaped groove and a first strip-shaped groove which are communicated are arranged on the side of the first sliding hole, the first fan-shaped groove is arranged at one end far away from the first control wheel, and the first strip-shaped grooves are uniformly distributed on the section projection of the first fan-shaped groove at intervals;
the first spring is arranged in the first special-shaped hole;
the first spring presses the first blade of the first sliding pin into the first fan-shaped groove in a normal state, and the fourth gear is in deflection connection with the fixed base; when the ratchet wheel assembly is in a locking state, the generator supplies power to the first electromagnet to attract the first sliding pin, so that the first blade is clamped into the first strip-shaped groove, and the fourth gear is in locking connection with the fixed base.
7. The digital multimedia conference control system of claim 5, wherein said second slide pin connection assembly comprises:
the second control wheel is fixedly connected with the fifth gear, a second special-shaped hole and a second electromagnet are arranged in the second control wheel, two second conductive rings are fixed outside the second control wheel, and the two second conductive rings are respectively and electrically connected with the second electromagnet through second leads;
the second sliding pin is arranged in the second special-shaped hole in a sliding way, the part of the second sliding pin, which is arranged in the second special-shaped hole in a sliding way, is a magnetic body, and a second blade is arranged on the side wall of the second sliding pin;
the second connecting wheel is internally provided with a second sliding hole matched with the second sliding pin, a second fan-shaped groove and a second strip-shaped groove which are communicated are arranged on the side of the second sliding hole, the second fan-shaped groove is arranged at one end close to the second control wheel, and the second strip-shaped grooves are uniformly distributed on the section projection of the second fan-shaped groove at intervals;
the second spring is arranged in the second special-shaped hole;
the second spring presses the second blade of the second sliding pin into the second bar-shaped groove in a normal state, and the fifth gear is in locking connection with the cover plate; when the ratchet wheel component is in a locking state, the generator supplies power to the second electromagnet to attract the second sliding pin, so that the second blade slides into the second fan-shaped groove, and the fifth gear is in locking connection with the cover plate.
8. The control method is characterized in that the control method is applied to the digital multimedia conference control system according to any one of claims 1 to 7, and comprises the following steps:
acquiring detection information, wherein the detection information is generated by detecting that a meeting participant is seated;
acquiring identity information, wherein the identity information is authenticated after being input by conference participants;
acquiring control information, wherein the control information is issued by a conference host;
the control module outputs driving information to drive the driving module to open the multimedia conference subunit corresponding to the conference participants.
CN202310613868.8A 2023-05-29 2023-05-29 Digital multimedia conference control system and control method Active CN116346518B (en)

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