CN115278006A

CN115278006A - Conference recording device and conference recording system based on block chain

Info

Publication number: CN115278006A
Application number: CN202210812004.4A
Authority: CN
Inventors: 汪方
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-01

Abstract

The embodiment of the application provides a conference recording device and a conference recording system based on a block chain, and relates to the technical field of conference recording equipment. The conference recording apparatus includes: a desktop and a camera. The lower terminal surface of desktop is provided with the table leg, the up end interval of desktop rotates and is provided with the pivot, just the pivot key-type connection has the conveying sprocket, connect through conveying chain transmission between the conveying sprocket, conveying chain's surface is provided with the support, the surface mounting of desktop has driving motor, just driving motor's output shaft and one of them the pivot transmission is connected. This application passes through driving motor drive pivot and rotates, can make the conveying sprocket rotate, and just can drive the support with the conveying chain that conveying sprocket transmission is connected and remove, and then drive the camera and remove, when the camera removed the face of speaker, alright in order to face the face of speaker and carry out the video recording, improve the video recording effect.

Description

Conference recording device and conference recording system based on block chain

Technical Field

The application relates to the technical field of conference video equipment, in particular to a conference video device and a conference recording system based on a block chain.

Background

In the related art, the conference recording is a video and audio file obtained by recording a conference in a recording manner and storing the video and audio file, and in the conference recording, it is particularly important to record the speech of a speaker.

When a conference is recorded, the conference is recorded in a global video recording mode, and when a person speaks, the video recording equipment cannot move to the front of the speaker, so that the voice of the speaker is not recorded or recorded conveniently, and the effect of recording the conference is influenced.

Disclosure of Invention

The present application is directed to solving at least one of the problems in the prior art. Therefore, the conference recording device and the conference recording system based on the block chain have the mobile function, and the effect of recording the conference can be improved.

The application also provides a conference video recording device.

According to a first aspect of the application, a conference recording apparatus includes: a desktop and a camera. The table comprises a table top, a transmission chain, a support and a driving motor, wherein table legs are arranged on the lower end face of the table top, rotating shafts are arranged on the upper end face of the table top at intervals in a rotating mode, the rotating shafts are connected with the transmission chain wheels in a key mode, the transmission chain wheels are in transmission connection through the transmission chain, the surface of the transmission chain is provided with the support, the surface of the table top is provided with the driving motor, and the output shaft of the driving motor is in transmission connection with one of the rotating shafts; the camera is fixed on the surface of the bracket.

According to a conference video recording device of this application embodiment, beneficial effect is that through the rotation of driving motor drive pivot, can make the conveying sprocket rotate, and the conveying chain who is connected with the conveying sprocket transmission just can drive the support and remove, and then drives the camera and remove, when the camera removes the face of speaker, alright face in the face of the speaker carry out the video recording, improve the video recording effect.

In addition, the conference recording apparatus according to the embodiment of the present application further has the following additional technical features:

according to some embodiments of the application, the cross-section of the table top is quadrilateral, and the corners of the table top are provided with rounded corners.

According to some embodiments of the application, the legs are arranged opposite to each other two by two, and the legs are perpendicular to the table top.

According to some embodiments of the application, the number of the rotating shafts is two, and the two rotating shafts are perpendicular to the tabletop.

According to some embodiments of the application, the surface of one of the shafts is provided with two of the transfer sprockets with a space left between them.

According to some embodiments of the present application, the support is located in a space formed between the corresponding two of the conveying sprockets, and top and bottom ends of the support are respectively connected to the corresponding two of the conveying chains.

According to some embodiments of the application, the support includes first frame plate and second frame plate, first frame plate connect in the conveying chain, the second frame plate is fixed in one side of first frame plate, just the camera is located the up end of second frame plate.

According to some embodiments of the application, universal ball is installed to the lower terminal surface of second frame plate, the spout has been seted up to the up end of desktop, universal ball slides and pegs graft in the inslot of spout.

According to some embodiments of the application, the driving motor is located below the desktop, a supporting plate is arranged below the driving motor, the cross section of the supporting plate is U-shaped, and the end portion of the supporting plate is fixedly connected with the desktop.

According to some embodiments of the application, a warning mechanism is arranged on the surface of the desktop and comprises a rack, a gear and a bell, a supporting plate is arranged on the surface of the desktop, a shaft rod is arranged on the surface of the supporting plate, the gear is fixedly sleeved on the shaft rod, the rack is slidably installed on the surface of the desktop, the rack is connected with the gear in a meshed mode, an extensible member is installed on the surface of the desktop, the movable end of the extensible member is fixedly connected with the rack, a first groove plate is fixed on the surface of the desktop, a rope body is arranged on the top end of the first groove plate, the bell is installed at the end of the rope body, a first touch plate is slidably arranged inside the first groove plate, a sliding rod is fixed on one surface of the first touch plate, one end of the sliding rod penetrates through the first groove plate in a sliding mode, a second touch plate is fixed on one end of the sliding rod, a first spring is installed between the second touch plate and the first groove plate, a cam is connected with a cam, and the surface of the cam is attached to the shaft rod.

According to some embodiments of the present application, the tip of rack is provided with the slider, just the surface mounting of slider has the second frid, the inside slidable mounting of second frid has the sliding plate, just one side of sliding plate with be provided with the second spring between the slider, the clutch blocks is installed to the opposite side of sliding plate, the one side of clutch blocks runs through the second frid, the surface mounting of support have with the feeler lever that the clutch blocks corresponds.

According to some embodiments of the application, the cross-section of clutch blocks is right triangle, just the inclined plane of clutch blocks slides and runs through the second frid, the inclined plane of clutch blocks is carved with anti-skidding line, the second frid with the clutch blocks is two liang of relative settings, just the second frid the sliding plate the second spring with one-to-one sets up between the clutch blocks, and corresponding two form the draw-in groove between the clutch blocks.

According to some embodiments of the application, the rack is straight-tooth type, and the surface of the table top is provided with a through groove matched with the rack.

According to some embodiments of the application, the warning mechanism is provided with at least two on the surface of the desktop at intervals, and the distance between two adjacent warning mechanisms is not less than 0.5m.

According to some embodiments of this application, the surface of support is provided with the transaudient mechanism, the transaudient mechanism includes sliding sleeve and microphone, the sliding sleeve slides and cup joints the surface of support, the microphone install in the surface of sliding sleeve, the surface of support is provided with the U-shaped pipe, just the inside slidable mounting of U-shaped pipe has first piston and second piston, first push rod is installed to one side of first piston, just the one end of first push rod slides and runs through the one end of U-shaped pipe, the surface mounting of second frid have with the corresponding push pedal of first push rod, the second push rod is installed to one side of second piston, just the one end of second push rod slides and runs through the other end of U-shaped pipe, the one end of second push rod with sliding sleeve fixed connection, the second piston with install the third spring between the other end of U-shaped pipe.

According to some embodiments of the application, the cross-section of the push plate is L-shaped, and one side of the push plate is attached to the end of the first push rod.

According to some embodiments of the application, the first piston and the second piston are the same in size, and both the first piston and the second piston are in fit sealing with the inner wall of the U-shaped pipe.

A conference recording system based on a blockchain according to an embodiment of a second aspect of the present application includes the conference recording apparatus according to the embodiment of the first aspect of the present application, a blockchain storage module and a processor, and both the camera and the blockchain storage module are electrically connected to the processor.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

When a speaker speaks, if other people still speak, the speaking of the speaker is affected, and further the effect of video recording is affected, so that the speaker needs to warn and remind other people to stop speaking.

The speaker needs to be located on the periphery of the desktop before speaking, and needs to face the corresponding warning mechanism, then the telescopic piece in the warning mechanism is started, the telescopic piece extends, the movable end of the telescopic piece supports the rack to move, the gear meshed and connected with the rack rotates in the moving process of the rack, the shaft rod is further driven to rotate, the cam on the surface of the shaft rod rotates, the cam pushes the second touch plate to move in the rotating process of the cam, the second touch plate can move in a reciprocating mode under the matching effect of the first spring and the rotating cam, the first touch plate connected with the second touch plate through the sliding rod can also move in a reciprocating mode, the first touch plate moving in the reciprocating mode can continuously knock the bell, the bell can make a sound, the speaker is warned and reminded of speaking, the speaker asks the other person to speak to stop speaking, the possibility of the other person to generate speaking noise is reduced, the speaker can clearly perform speaking to the speaker by reducing the generation of the noise, the effect of the speaker can be improved, the effect of recording the sound can be improved, the sound of the speaker can be reduced, the effect of the speaker can be recorded after the speaker stops, the sound is recorded, and the sound can be recorded, the sound can be reduced;

it should be noted that, when the telescopic member extends, the movable end of the telescopic member supports the rack to move towards the conveying chain, and the sliding block at the end of the rack can drive the friction block to move towards the conveying chain, when the conveying chain moves the support and the camera on the surface of the support to the warning mechanism, the contact rod arranged on the surface of the support can be in contact with the friction block, the friction block can increase the resistance to the movement of the contact rod, so that the movement speed of the contact rod can be reduced, and further the movement speed of the support and the camera can be reduced.

When recording the speech of the speaker, if the recording device for collecting the speech is far away from the speaker, the recording effect is easily affected.

When the support moves to one side of the warning mechanism and the contact rod is located between the two corresponding friction blocks, the telescopic part is regulated and controlled, the movable end of the telescopic part supports the rack to move towards the conveying chain, the sliding block and the second groove plate can continue to move towards the conveying chain, the push plate on the surface of the second groove plate can move towards the corresponding first push rod, and after the push plate is contacted with the corresponding first push rod, the push plate can push the first push rod, and the first push rod can support the first piston to move, so that the pressure inside the U-shaped tube is increased, under the action of the pressure, the second piston can support the second push rod to move, and the second push rod can push the sliding sleeve and the microphone to move, so that the distance between the microphone and a speaker can be reduced, the microphone can more clearly record the speech of the speaker, and the effect is improved;

and after the speech of the speaker is finished, the movable end of the telescopic piece drives the rack to move towards the direction far away from the conveying chain, then the push plate can be separated from the first push rod, and under the support of the third spring, the second piston and the second push rod can be reset, so that the sliding sleeve and the microphone are driven to reset.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a video conference recording apparatus according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a desktop according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a transfer sprocket and transfer chain connection according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a bracket and a sound transmission mechanism coupled according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a warning mechanism according to an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a first slot plate in accordance with an embodiment of the present application;

FIG. 7 is a schematic diagram of a slider structure according to an embodiment of the present application;

fig. 8 is a schematic structural view of a sound transmission mechanism according to an embodiment of the present application.

Icon: 100-a desktop; 110-table legs; 120-a rotating shaft; 130-a transfer sprocket; 140-a conveyor chain; 150-a scaffold; 151-a first shelf; 152-a second shelf; 153-universal ball; 160-driving motor; 161-pallet; 170-a chute; 180-feeler lever; 200-a camera; 300-an alert mechanism; 310-a rack; 311-a slider; 320-gear; 330-bell; 340-a support plate; 350-shaft lever; 351-cam; 360-a telescoping member; 370-a first channel plate; 371-the rope body; 372-a first touch plate; 373-a slide bar; 374-a second touch plate; 375-first spring; 380-a second deck; 381-a sliding plate; 382-a second spring; 383-a friction block; 390-push plate; 400-a sound transmission mechanism; 410-a sliding sleeve; 420-a microphone; 430-U-shaped tubes; 440-a first piston; 441-a first push rod; 450-a second piston; 451-a second pushrod; 460-third spring.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

A video conference recording apparatus according to an embodiment of the first aspect of the present application is described below with reference to the drawings.

As shown in fig. 1 to 8, a video conference recording apparatus according to an embodiment of the present application includes: a tabletop 100 and a camera 200.

The camera 200 is disposed on the surface of the desktop 100, and the camera 200 records a video of a conference by shooting to form a video stream, so as to record the conference.

The lower end face of the tabletop 100 is provided with table legs 110, the upper end face of the tabletop 100 is provided with rotating shafts 120 at intervals in a rotating manner, the rotating shafts 120 are connected with transmission chain wheels 130 in a key manner, the transmission chain wheels 130 are in transmission connection through transmission chains 140, supports 150 are arranged on the surfaces of the transmission chains 140, driving motors 160 are arranged on the surface of the tabletop 100, output shafts of the driving motors 160 are in transmission connection with one of the rotating shafts 120, in specific implementation, the driving motors 160 are used for driving the rotating shafts 120 to rotate, so that the transmission chain wheels 130 can rotate, and the transmission chains 140 in transmission connection with the transmission chain wheels 130 can drive the supports 150 to move, so that the camera 200 is driven to move;

the camera 200 is fixed on the surface of the bracket 150, when the camera 200 is moved to the front of the speaker, the camera 200 can record the video of the speaker, so that the aim of face-to-face video recording is achieved, and the video recording effect is improved.

The operation of a video conference recording apparatus according to an embodiment of the present application will be described with reference to the accompanying drawings.

When a person speaks, the driving motor 160 is started, and the driving motor 160 drives the rotating shaft 120 to rotate;

the rotating shaft 120 drives the corresponding transmission chain wheel 130 to rotate, and the transmission chain 140 in transmission connection with the transmission chain wheel 130 drives the bracket 150 to move, so as to drive the camera 200 to move;

the camera 200 on the surface of the bracket 150 moves, and when the camera 200 moves in front of the speaker, the camera 200 can record the video of the speaker, so that the aim of face-to-face video recording is achieved, the video recording effect is improved, and the recording of the speech of the speaker during the conference recording is more accurate.

Therefore, according to the video conference recording device of the embodiment of the present application, the driving motor 160 drives the rotating shaft 120 to rotate, so that the transmission chain wheel 130 can rotate, the transmission chain 140 in transmission connection with the transmission chain wheel 130 can drive the support 150 to move, and further drive the camera 200 to move, when the camera 200 moves in front of a speaker, the speaker can be faced, and the video recording effect is improved.

according to some embodiments of the application, as shown in fig. 1 and fig. 2, the cross section of the desktop 100 is quadrilateral, and corners of the desktop 100 are provided with fillets, which can reduce the possibility of gouging conference participants at the corners of the desktop 100 and eliminate potential safety hazards.

According to some embodiments of the present application, as shown in fig. 1 and 2, the legs 110 are provided in pairs, and the legs 110 are perpendicular to the table top 100, and in this embodiment, the legs 110 are provided in six, and the legs 110 are used to support the table top 100, thereby increasing the area between the table top 100 and the ground, and the height of the legs 110 can be determined according to actual needs.

According to some embodiments of the present application, as shown in fig. 1 and 3, two rotating shafts 120 are disposed on the upper end surface of the table top 100, and both the two rotating shafts 120 are perpendicular to the table top 100, the cross section of the rotating shaft 120 is circular, and in this embodiment, a bearing is disposed at the connection position of the rotating shaft 120 and the table top 100 to facilitate the rotation of the rotating shaft 120.

According to some embodiments of the present application, as shown in fig. 1 and 3, two conveying sprockets 130 are disposed on a surface of one rotating shaft 120, and a space is left between the two conveying sprockets 130, so as to facilitate the installation of the bracket 150; it can be understood that the bracket 150 is located in the space formed between the two corresponding conveying sprockets 130, and the top end and the bottom end of the bracket 150 are respectively connected to the two corresponding conveying chains 140, and the bracket 150 is supported by the two conveying chains 140, so that the bracket 150 can be installed more stably.

According to some embodiments of the present application, as shown in fig. 1 and 4, the carriage 150 includes a first shelf 151 and a second shelf 152, the first shelf 151 being connected to the transfer chain 140, the second shelf 152 being fixed to one side of the first shelf 151, and the camera 200 being located at an upper end surface of the second shelf 152, the first shelf 151 being used to connect the transfer chain 140 and the second shelf 152 together, and the second shelf 152 being used to support the camera 200, in a specific implementation.

According to some embodiments of the present application, as shown in fig. 4, a universal ball 153 is mounted on a lower end surface of the second frame plate 152, a sliding groove 170 is formed on an upper end surface of the table top 100, the universal ball 153 is slidably inserted into the sliding groove of the sliding groove 170, and the table top 100 can support the second frame plate 152 by supporting the universal ball 153.

According to some embodiments of the present application, as shown in fig. 3, the driving motor 160 is located below the table top 100, and a supporting plate 161 is disposed below the driving motor 160, the section of the supporting plate 161 is U-shaped, and an end of the supporting plate 161 is fixedly connected to the table top 100, an output shaft of the driving motor 160 can rotate in a forward and backward direction, and the supporting plate 161 is used for supporting the driving motor 160, so that the driving motor 160 can be more stably installed below the table top 100.

According to some embodiments of the present application, as shown in fig. 1, 5, 6 and 7, a warning mechanism 300 is disposed on a surface of a table top 100, the warning mechanism 300 includes a rack 310, a gear 320 and a bell 330, the surface of the table top 100 is disposed with a support plate 340, the surface of the support plate 340 is mounted with a shaft 350, the gear 320 is tightly sleeved on the shaft 350, the rack 310 is slidably mounted on the surface of the table top 100, the rack 310 is engaged with the gear 320, the surface of the table top 100 is mounted with a telescopic member 360, a movable end of the telescopic member 360 is fixedly connected with the rack 310, the surface of the table top 100 is fixed with a first slot plate 370, an inner top end of the first slot plate 370 is provided with a rope 371, the bell 330 is mounted on an end of the rope 371, a first contact plate 372 is slidably disposed inside the first slot plate 370, a sliding surface of the first contact plate 372 is fixed with a sliding rod 373, one end of the sliding rod is slidably penetrated through the first slot plate 370, and one end of the sliding rod 373 is fixed with a second contact plate 374, a cam 374 is mounted between the second contact plate 351, a cam 374 is attached to the cam 374, and a cam 374 are attached to the cam 374; a sliding block 311 is arranged at the end part of the rack 310, a second slot plate 380 is arranged on the surface of the sliding block 311, a sliding plate 381 is slidably arranged inside the second slot plate 380, a second spring 382 is arranged between one side of the sliding plate 381 and the sliding block 311, a friction block 383 is arranged on the other side of the sliding plate 381, one surface of the friction block 383 penetrates through the second slot plate 380, and a touch rod 180 corresponding to the friction block 383 is arranged on the surface of the bracket 150; the section of the friction block 383 is in a right triangle shape, the inclined surface of the friction block 383 penetrates through the second slotted plate 380 in a sliding mode, anti-skid grains are carved on the inclined surface of the friction block 383, the second slotted plate 380 and the friction block 383 are arranged in a pairwise opposite mode, the second slotted plate 380, the sliding plate 381, the second spring 382 and the friction block 383 are arranged in a one-to-one correspondence mode, and a clamping groove is formed between the two corresponding friction blocks 383; before speaking, a speaker needs to be located on the periphery of the tabletop 100 and needs to face the corresponding warning mechanism 300, then the telescopic member 360 in the warning mechanism 300 is activated, the telescopic member 360 extends, the movable end of the telescopic member 360 supports the rack 310 to move, during the movement of the rack 310, the gear 320 meshed and connected with the rack 310 rotates to drive the shaft 350 to rotate, the cam 351 on the surface of the shaft 350 rotates, during the rotation of the cam 351, the cam 351 pushes the second touch plate 374 to move, under the cooperation of the first spring 375 and the rotating cam 351, the second touch plate 374 can reciprocate, and the first touch plate 372 connected with the second touch plate through the slide rod 373 can also reciprocate, the first touch plate 372 moving back and forth continuously taps the bell 330, the bell 330 sounds to warn and remind other people who speak, and please stop speaking to reduce the possibility of noise generated by other people, and the camera 200 can record the speech of the speaker more clearly by reducing the noise generation, so that the video recording effect can be improved, and it can be understood that when the telescopic piece 360 extends and stops stretching, the first touch plate 372 stops tapping the bell 330, the bell 330 stops sounding gradually, after the bell 330 stops sounding completely, the speaker speaks again, so that the possibility of influence on the recording effect caused by the sounding of the bell 330 can be reduced;

it should be noted that, when the telescopic member 360 extends, the movable end of the telescopic member 360 supports the rack 310 to move toward the conveying chain 140, and the sliding block 311 at the end of the rack 310 drives the friction block 383 to move toward the conveying chain 140, when the conveying chain 140 moves the rack 150 and the camera 200 on the surface thereof to the warning mechanism 300, the trolley 180 arranged on the surface of the rack 150 contacts with the friction block 383, the friction block 383 increases resistance to movement of the trolley 180, so that the movement speed of the trolley 180 can be reduced, and further the movement speed of the rack 150 and the camera 200 can be reduced, while the trolley 180 pushes the triangular friction block 383 to move in the moving process, after the friction block 383 sinks into the second slot plate 380, the trolley 180 can move between the two friction blocks 383, and the two friction blocks 383 can limit movement of the trolley 180, so that the trolley 180 can decelerate the camera again, and further the movement of the rack 150 and the camera 200 can be stopped, and the possibility that the camera 200 deviates from a predetermined position under the action of inertia can be reduced, and the camera 200 can be more beneficial to work.

It will be appreciated that when it is desired to move camera 200, rack 310 can be moved away from conveyor chain 140 by retracting telescoping member 360, and friction block 383 can be removed from the surface of trolley 180, and friction block 383 does not impede the movement of trolley 180.

According to some embodiments of the present application, as shown in fig. 1, 2 and 5, the rack 310 is a straight rack, and the surface of the table top 100 is provided with a through groove matching with the rack 310, and the through groove is provided to facilitate the movement of the rack 310.

According to some embodiments of the present application, as shown in fig. 1, at least two warning mechanisms 300 are spaced apart from each other on the surface of the table top 100, and the distance between two adjacent warning mechanisms 300 is not less than 0.5m, and a plurality of warning mechanisms 300 are provided, so that the persons participating in the conference can respectively stand in front of different warning mechanisms 300 to speak.

According to some embodiments of the present application, as shown in fig. 1, 4, 5, 7 and 8, a sound transmission mechanism 400 is disposed on a surface of the cradle 150, the sound transmission mechanism 400 includes a sliding sleeve 410 and a microphone 420, the sliding sleeve 410 is slidably sleeved on a surface of the cradle 150, the microphone 420 is mounted on a surface of the sliding sleeve 410, a U-shaped tube 430 is disposed on a surface of the cradle 150, a first piston 440 and a second piston 450 are slidably mounted inside the U-shaped tube 430, a first push rod 441 is mounted on one side of the first piston 440, one end of the first push rod 441 slidably penetrates through one end of the U-shaped tube 430, a push plate 390 corresponding to the first push rod 441 is mounted on a surface of the second slot plate 380, a second push rod 451 is mounted on one side of the second piston 450, one end of the second push rod 451 is slidably penetrated through the other end of the U-shaped tube 430, one end of the second push rod 451 is fixedly connected to the sliding sleeve 410, a third spring 460 is mounted between the second piston 450 and the other end of the U-shaped tube 430, and, when being implemented, the microphone 420 can be connected to an audio interface of the camera 200 through an audio cable; when the bracket 150 moves to one side of the warning mechanism 300 and the contact rod 180 is located between two corresponding friction blocks 383, the telescopic member 360 is regulated, so that the movable end of the telescopic member 360 supports the rack 310 to move towards the transmission chain 140, the slider 311 and the second slot plate 380 continue to move towards the transmission chain 140, the push plate 390 on the surface of the second slot plate 380 moves towards the corresponding first push rod 441, after the push plate 390 contacts with the corresponding first push rod 441, the push plate 390 pushes the first push rod 441, and the first push rod 441 supports the first piston 440 to move, so that the pressure inside the U-shaped tube 430 is increased, under the action of the pressure, the second piston 450 supports the second push rod 451 to move, and the second push rod 451 pushes the sliding sleeve 410 and the microphone 420 to move, so that the distance between the microphone 420 and a speaker can be reduced, the microphone 420 can clearly record the speech of the speaker, and the recording effect can be improved;

after the speaker finishes speaking, the movable end of the telescopic member 360 drives the rack 310 to move away from the transmission chain 140, and the push plate 390 is separated from the first push rod 441, and the second piston 450 and the second push rod 451 can be reset under the support of the third spring 460, so as to drive the sliding sleeve 410 and the microphone 420 to reset.

According to some embodiments of the present application, the push plate 390 has an L-shaped cross-section, and one side of the push plate 390 is engaged with the end of the first push rod 441.

According to some embodiments of the present application, the first and

second pistons

440, 450 are of the same gauge, and both the first and

second pistons

440, 450 are in a snug seal with the inner wall of the hairpin tube 430.

According to a second aspect of the present application, a conference recording system based on a block chain includes a conference recording apparatus according to the first aspect of the present application, a block chain storage module and a processor, where the camera 200 and the block chain storage module are both electrically connected to the processor, and in a specific implementation, the processor is a central control unit, and a video and a recorded sound captured by the camera 200 are transmitted to the processor in a data manner, and the processor compresses and processes the data after receiving the data, and transmits the processed data to the block chain storage module for storage.

In specific implementation, the telescopic member 360 is any one of a cylinder, an electric push rod and a hydraulic cylinder.

Other configurations and operations of a video recording apparatus for a conference and a video recording system based on a blockchain according to an embodiment of the present application are known to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

Claims

1. A video conference recording apparatus, comprising:

the table comprises a table top (100), wherein table legs (110) are arranged on the lower end face of the table top (100), rotating shafts (120) are arranged on the upper end face of the table top (100) in a rotating mode at intervals, the rotating shafts (120) are connected with conveying chain wheels (130) in a key mode, the conveying chain wheels (130) are in transmission connection through conveying chains (140), supports (150) are arranged on the surfaces of the conveying chains (140), driving motors (160) are installed on the surface of the table top (100), and output shafts of the driving motors (160) are in transmission connection with one of the rotating shafts (120);

a camera (200), the camera (200) being fixed to a surface of the bracket (150).

2. The video conference recording apparatus as claimed in claim 1, wherein the table top (100) has a quadrangular cross section, and corners of the table top (100) are provided with round corners.

3. A video conference appliance as claimed in claim 1, characterized in that the legs (110) are arranged opposite each other in pairs, and the legs (110) are perpendicular to the table top (100).

4. The apparatus for recording a conference as claimed in claim 1, wherein two of said rotating shafts (120) are provided on the upper end surface of said table top (100), and both of said rotating shafts (120) are perpendicular to said table top (100).

5. The video conference apparatus as claimed in claim 1, wherein two of said transmission sprockets (130) are provided on a surface of one of said shafts (120), and a space is left between said two transmission sprockets (130).

6. The video conference apparatus according to claim 5, wherein said bracket (150) is located in a space formed between two corresponding said conveying sprockets (130), and a top end and a bottom end of said bracket (150) are respectively connected to two corresponding said conveying chains (140).

7. A video conference device according to claim 1, characterized in that said stand (150) comprises a first shelf (151) and a second shelf (152), said first shelf (151) being connected to said conveyor chain (140), said second shelf (152) being fixed on one side of said first shelf (151), and said camera (200) being located on an upper end face of said second shelf (152).

8. The conference video recording device according to claim 7, wherein a universal ball (153) is mounted on a lower end surface of the second frame plate (152), a sliding groove (170) is formed on an upper end surface of the table top (100), and the universal ball (153) is slidably inserted into a groove of the sliding groove (170).

9. The video conference recording device as claimed in claim 1, wherein the driving motor (160) is located below the table top (100), a supporting plate (161) is disposed below the driving motor (160), the cross section of the supporting plate (161) is U-shaped, and an end of the supporting plate (161) is fixedly connected with the table top (100).

10. A blockchain based conference recording system, comprising a conference recording apparatus according to any one of claims 1 to 9, and a blockchain storage module and a processor, wherein the camera (200) and the blockchain storage module are electrically connected to the processor.