CN212084400U

CN212084400U - Audio-visual system for English remote teaching

Info

Publication number: CN212084400U
Application number: CN202021308314.5U
Authority: CN
Inventors: 王好强; 王磊; 韩小哲; 柴高洁; 关成勇
Original assignee: Zhongyuan University of Technology
Current assignee: Zhongyuan University of Technology
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2020-12-04
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to an acoustic image system for english remote teaching, including the cross slip table, the cross slip table includes horizontal slider and vertical slider, vertical slider is by vertical slider motor drive, between horizontal slider motor and the horizontal slider, all be connected through screw mechanism transmission between vertical slider motor and the vertical slider, be provided with vertical arrangement's vertical branch on the vertical slider, be provided with on the vertical slider and be used for driving vertical branch pivoted branch motor, the cover is equipped with the height control cover that can follow vertical branch and reciprocate the adjustment on vertical branch, height control cover top spin has and is used for carrying out the adjusting collar top tightening screw that fixes to height control cover after the height control cover position adjustment, the height control is sheathe in and is provided with the equipment support, be provided with audio-visual recording equipment on the equipment support. The utility model provides an among the prior art acoustic image recording equipment inconvenient removal and lead to the wide angle shooting and the higher technical problem of zoom multiple requirement of acoustic image recording equipment.

Description

Audio-visual system for English remote teaching

Technical Field

The utility model relates to an acoustic image system is used in english remote teaching of remote teaching field.

Background

In the present year, due to epidemic situations, schools cannot normally start learning, but study of students cannot be delayed indefinitely, so that each school requires a teacher to provide remote teaching for the students.

The current remote teaching mode is that a teacher gives a lecture in front of a blackboard, the blackboard is written with the content to be given, and the front side of the teacher is fixed with an audio-video recording device which can be a mobile phone or a tablet and the like capable of recording the lecture content. Therefore, the teacher can carry out remote online teaching on students, and the students can carry out remote learning before mobile phones, flat panels or televisions at home.

One problem with this existing teaching is that the audio-video recording device is fixed on a stand, and its position cannot be changed, and when a teacher wants to teach a certain focus on the blackboard, the current audio-video recording device cannot enlarge the focus; in addition, in the prior art, the audio image recording device is inconvenient to move, the length of the blackboard in the left-right direction is long, in order to capture all information on the blackboard, the audio image recording device needs to be arranged on the front side of the blackboard, the audio image recording device is guaranteed to be far enough away from the blackboard (so that wide-angle shooting can be realized), the distance is increased, in order to clearly capture the information on the blackboard, a higher zooming requirement is provided for the audio image recording device, and then, the large-enough wide-angle shooting is required, and the large-enough zooming is also required, so that the acquisition cost of the audio image recording device is high.

Disclosure of Invention

An object of the utility model is to provide an acoustic image system for english remote teaching to solve among the prior art acoustic image recording equipment inconvenient removal and lead to the wide angle shooting and the higher technical problem of zoom multiple requirement of acoustic image recording equipment.

In order to solve the technical problem, the utility model provides a technical scheme as follows:

an audio-visual system for English remote teaching comprises a system support, the system support comprises a cross sliding table, the cross sliding table comprises a transverse guide rail extending along the left and right directions, a transverse sliding block and a longitudinal sliding block, the transverse sliding block is driven by a transverse sliding block motor, the cross sliding table also comprises a longitudinal guide rail extending along the front and back directions, and a longitudinal sliding block, the longitudinal sliding block is assembled on the longitudinal guide rail, the longitudinal guide rail is arranged on the transverse sliding block, the longitudinal sliding block is driven by a longitudinal sliding block motor, the transverse sliding block motor and the transverse sliding block, the longitudinal sliding block motor and the longitudinal sliding block are in transmission connection through a screw and nut mechanism, the longitudinal sliding block is provided with a vertical supporting rod which is vertically arranged, the longitudinal sliding block is provided with a supporting rod motor for driving the vertical supporting rod to rotate, and the vertical supporting rod is sleeved with a, the height adjusting sleeve is screwed with an adjusting sleeve jacking screw used for fixing the height adjusting sleeve after the position of the height adjusting sleeve is adjusted, an equipment support is arranged on the height adjusting sleeve, and an audio and video recording device is arranged on the equipment support.

The sound image recording device is a mobile phone.

The vertical supporting rod is a circular supporting rod, and an inner hole of the height adjusting sleeve is a circular hole matched with the vertical supporting rod.

The utility model discloses a high altitude mixture control recording equipment, including equipment backup plate, equipment support, equipment backup plate, acoustic image recording equipment, equipment support pass through the ball pivot structure with the altitude mixture control cover links to each other, and equipment support includes the equipment backup plate, the ball pivot structure including set up in ball groove on the equipment backup plate with set firmly in bulb on the altitude mixture control cover, ball groove and bulb normal running fit, equipment support still including set up in the backup plate is kept away from the confession of bulb one side the equipment slot of acoustic image recording equipment cartridge from top to bottom.

A first transmission bevel gear is coaxially fixed on the vertical supporting rod, and a second transmission bevel gear which is horizontally arranged along the axis and is in meshing transmission with the first transmission bevel gear is connected to a motor shaft of the supporting rod motor.

The utility model has the advantages that: the utility model discloses in, audio-visual recording equipment installs on the equipment support, fixes audio-visual recording equipment's height through the altitude mixture control cover when using, and the horizontal slider of horizontal slider motor drive removes the left and right sides position that can adjust audio-visual recording equipment, and the vertical slider back-and-forth movement of vertical slider motor drive can adjust audio-visual recording equipment's front and back position, thereby the branch motor rotates the shooting angle that can adjust audio-visual recording equipment through the vertical branch of drive. The mr is when carrying out the long-range teaching, when needs explain blackboard left side content, can remove the left side to the blackboard with audio image recording equipment, when needs carry out key explanation to a certain key position, can adjust the interval between audio image recording equipment and the blackboard near, thereby enlarge the processing to the key region, the action through the branch motor can change audio image recording equipment's shooting angle, that is to say in this is novel, remove through audio image recording equipment and come the nearly longer blackboard of adaptation length, reduce the wide angle shooting requirement to audio image recording equipment, realize enlargeing the degradation to key knowledge through audio image recording equipment's back-and-forth movement, reduce the zoom multiple requirement to audio image recording equipment, thereby reduce the acquisition cost of required audio image recording equipment.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention;

FIG. 2 is a schematic view of the vertical strut of FIG. 1 in cooperation with a strut motor;

FIG. 3 is a schematic view of the height adjustment sleeve of FIG. 1 in cooperation with the equipment rack;

fig. 4 is a top view of the equipment rack of fig. 3.

Detailed Description

An embodiment of an audio-visual system for English remote teaching is shown in FIGS. 1-4: including the system support, the system support includes the cross slip table, the cross slip table includes slip table base 1, be provided with the transverse guide that the direction extends along left right direction on the slip table base 1, the direction removes on the transverse guide and is equipped with transverse sliding block 4, transverse sliding block is driven by transverse sliding block motor 2, concrete driving method is, the transmission is connected with transverse screw 5 on the motor shaft of transverse sliding block motor, have on the transverse sliding block with transverse screw complex screw structure, corotation through transverse sliding block motor 2, the reversal, can drive transverse sliding block along transverse guide towards left side shifting and towards right side shifting. The cross sliding table further comprises a longitudinal guide rail extending along the front-back direction and a longitudinal sliding block 6 assembled on the longitudinal guide rail in a guiding and moving mode, the longitudinal guide rail is arranged on the transverse sliding block, the longitudinal sliding block is driven by a longitudinal sliding block motor, the transmission mode between the longitudinal sliding block motor and the longitudinal sliding block is the same as the transmission structure between the transverse sliding block motor and the transverse sliding block, the longitudinal sliding block motor and the longitudinal sliding block are both screw rod and nut transmission mechanisms, only a screw rod between the longitudinal sliding block motor and the longitudinal sliding block is a longitudinal screw rod 3 extending along the front-back direction, and detailed description is.

The vertical supporting rod 7 with an axis extending along the up-down direction is rotatably assembled on the longitudinal sliding block, a supporting rod motor 14 used for driving the vertical supporting rod to rotate is arranged on the longitudinal sliding block, specifically, a first transmission bevel gear 12 is coaxially fixed on the vertical supporting rod 7, and a second transmission bevel gear 13 which is horizontally arranged along the axis and is in meshing transmission with the first transmission bevel gear 12 is connected to a motor shaft of the supporting rod motor 14. Vertical branch 7 is circular branch, and the cover is equipped with the height control cover 11 that can follow vertical branch and reciprocate the adjustment on the vertical branch, and height control cover 11 top spin is twisted to have and is used for height control cover position adjustment back to carry out the adjusting collar holding screw 10 that fixes to height control cover, is provided with equipment support 18 on the height control cover, is provided with audio-visual recording equipment 9 on the equipment support. The audio-video recording device in this embodiment is a mobile phone, the device support is connected with the height adjusting sleeve through a spherical hinge structure, the device support comprises a device backup plate 8, the spherical hinge structure comprises a spherical groove arranged on the device backup plate and a ball head 15 fixedly arranged on the height adjusting sleeve, the spherical groove is in running fit with the ball head 15, and the ball head and the spherical groove are fixed in position through damping force after relative rotation. The equipment support is characterized by further comprising equipment slots 20, wherein the equipment slots 20 are formed in the backup plate and are far away from one side of the ball head, the audio and video recording equipment is inserted from top to bottom, two side clamping jaws 16 which are arranged oppositely are arranged on one side of the ball head, a supporting plate 17 is arranged on the lower sides of the two side clamping jaws, and the supporting plate and the two side clamping jaws are enclosed to form the equipment slots 20. In this embodiment, english audio-visual system for remote teaching still includes the operating switch who supplies the handheld operation of mr, be provided with horizontal slider motor corotation button on the operating switch, horizontal slider motor reversal button, vertical slider motor corotation button, vertical slider reversal button, branch motor corotation button and branch motor reversal button, operating switch passes through wireless or wired mode and horizontal slider motor, vertical slider motor and branch motor are connected, the mr is when carrying out remote teaching like this, only need handheld operating switch, where the mr walks, just can come audio-visual recording equipment to remove suitable position through the corresponding button on the control operating switch, unusual online remote teaching of being convenient for. Certainly, in other embodiments of the present invention, the operation switch for the teacher to hold may not be provided, and the key for controlling the corresponding motor to rotate forward and backward is provided on the corresponding system support, so that when the teacher needs to teach the corresponding area of the blackboard, the teacher can manually operate the key on the system support to move the audio and video recording device to a proper position; the pitch angle of the equipment support can be adjusted through the arrangement of the spherical hinge structure, and certainly, in other embodiments, the spherical hinge structure can be omitted, and the equipment support can be directly fixed on the height adjusting sleeve.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an audio-visual system for english remote teaching which characterized in that: the device comprises a system bracket, wherein the system bracket comprises a cross sliding table, the cross sliding table comprises a transverse guide rail extending along the left and right directions and a transverse sliding block assembled on the transverse guide rail in a guiding and moving manner, the transverse sliding block is driven by a transverse sliding block motor, the cross sliding table also comprises a longitudinal guide rail extending along the front and back directions and a longitudinal sliding block assembled on the longitudinal guide rail in a guiding and moving manner, the longitudinal guide rail is arranged on the transverse sliding block, the longitudinal sliding block is driven by a longitudinal sliding block motor, the transverse sliding block motor and the transverse sliding block and the longitudinal sliding block are in transmission connection through a screw rod and nut mechanism, the longitudinal sliding block is provided with a vertical supporting rod which is vertically arranged, the longitudinal sliding block is provided with a supporting rod motor for driving the vertical supporting rod to rotate, a height adjusting sleeve which can be adjusted up and down along the vertical supporting rod is sleeved on the vertical supporting rod, the height adjusting sleeve is screwed with an, the height adjusting sleeve is provided with an equipment support, and the equipment support is provided with sound image recording equipment.

2. The audio-visual system for english remote teaching according to claim 1, characterized in that: the sound image recording device is a mobile phone.

3. The audio-visual system for english remote teaching according to claim 1, characterized in that: the vertical supporting rod is a circular supporting rod, and an inner hole of the height adjusting sleeve is a circular hole matched with the vertical supporting rod.

4. The audio-visual system for english remote teaching according to claim 1, characterized in that: the utility model discloses a high altitude mixture control recording equipment, including equipment backup plate, equipment support, equipment backup plate, acoustic image recording equipment, equipment support pass through the ball pivot structure with the altitude mixture control cover links to each other, and equipment support includes the equipment backup plate, the ball pivot structure including set up in ball groove on the equipment backup plate with set firmly in bulb on the altitude mixture control cover, ball groove and bulb normal running fit, equipment support still including set up in the backup plate is kept away from the confession of bulb one side the equipment slot of acoustic image recording equipment cartridge from top to bottom.

5. The audio-visual system for English remote teaching according to any one of claims 1 to 4, wherein: a first transmission bevel gear is coaxially fixed on the vertical supporting rod, and a second transmission bevel gear which is horizontally arranged along the axis and is in meshing transmission with the first transmission bevel gear is connected to a motor shaft of the supporting rod motor.