CN211181145U - Multimedia audio-visual teaching equipment - Google Patents

Abstract

The utility model discloses a multimedia audio-visual teaching device, which comprises a host, a projector and a projection screen, wherein the projector is hinged in front of the host, the projection screen is connected above the host through a telescopic rod, the host is hinged with a display, the upper surface of the host is provided with a control button, an operation keyboard, a liquid crystal handwriting screen and a handwriting pen, the left and right side surfaces of the host are provided with a microphone and a loudspeaker, the bottom of the host is provided with universal wheels, the multimedia audio-visual device is also provided with a plurality of extension sets and display screens, the extension sets are connected with the host through a live broadcast server, the multimedia audio-visual teaching device is provided with a storage function, through the way, the universal wheels with locking devices are arranged to prevent random movement, and the liquid crystal handwriting screen is arranged, so that students can better understand the content of the lecture, and the multimedia audio-visual teaching device, the live broadcast server is connected with the host, so that the problem that the seats of a multimedia classroom are not enough when a large lecture hall is held is solved.

Description

Multimedia audio-visual teaching equipment

Technical Field

The utility model belongs to the technical field of the multimedia teaching system technique and specifically relates to a multimedia audio-visual teaching equipment.

Background

At present in the classroom, the dust of chalk has seriously influenced mr's healthy, along with the progress of science and technology, traditional chalk blackboard teaching is gradually replaced in multimedia technology teaching, multimedia teaching has not only reduced mr's physical demands, student's interest in learning has also been promoted, teaching quality and efficiency have been improved, and the teaching mode that adopts multiple electronic teaching media and traditional teaching means to combine together, because of its have the characteristics that picture and text audio-visual are splendid, by wide application in the teaching of school, great improvement the vividness and the efficiency of teaching. And present audio-visual teaching equipment of multimedia can not show the content that the teacher wanted the expression of lecture completely, still need the teacher to use the chalk to write on the blackboard this moment, it is extremely inconvenient, and because the teaching equipment is bulky, it is inconvenient to remove, it can't remove again to have influenced the teacher's lecture, many inconveniences have been brought, in addition in order to improve the quality of teaching, some schools can invite the famous teacher to teach the lecture seat, the lecture seat place is established in the relatively great multimedia classroom of area usually, if the number of lecture people is more, crowded phenomenon can appear, there is the potential safety hazard, multimedia classroom also can't hold all teachers and students simultaneously, this has brought very big puzzlement for the school.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome current teaching equipment simple structure, use defects such as inconvenient, provide an audio-visual teaching equipment of multimedia and solve above-mentioned problem.

A multimedia audio-visual teaching device comprises a host, a projector and a projection curtain, wherein the projector is hinged to the front of the host, the projection curtain is connected to the top of the host through a telescopic rod, the telescopic rod is fixed at the rear of the host, the telescopic rod is lifted to the maximum height and then the projection curtain is placed down, a display is hinged to the host, a control button, an operating keyboard, a liquid crystal handwriting screen and a handwriting pen are arranged on the upper surface of the host, a user can use the handwriting pen to draw and annotate the content of the propaganda on the liquid crystal handwriting screen, the content of the handwriting pen can be synchronously displayed on the display and the projection curtain, microphones and loudspeakers are arranged on the left side surface and the right side surface of the host, the teaching quality can be improved, the throat can be protected, universal wheels are arranged at the bottom of the host, and the multimedia device is also provided with a plurality of display screens, the extension with the host computer passes through live broadcast server and connects, the extension sets up respectively in a plurality of ordinary classroom, be equipped with loudspeaker and switch on the extension, make things convenient for the student when carrying out the full school to explain, watch the live broadcast picture on the display screen in the classroom, the switch is used for opening and closing of control extension, multimedia audio-visual teaching equipment is equipped with the storage function, and the person of speaking can record the demonstration content on the display and preserve, perhaps through watching live broadcast playback, makes things convenient for the student to give lessons the content again warm after class.

As above multimedia audio-visual teaching equipment, be equipped with control switch on the projecting apparatus for control projecting apparatus opens, closes and the rolling of projection curtain.

According to the multimedia audio-visual teaching equipment, the leakage protection device is arranged in the host machine, and the power supply can be automatically cut off when a circuit fails, so that the protection effect on people and equipment is achieved.

According to the multimedia video teaching equipment, the universal wheels are provided with the locking devices, so that the teaching equipment is prevented from being moved randomly to influence the teaching quality.

According to the multimedia audio-visual teaching equipment, the host is further provided with a handwriting pen groove, a mouse socket and a network socket, the mouse socket can be movably inserted with a mouse for controlling the host, and the handwriting pen groove is used for accommodating a handwriting pen.

According to the multimedia audio-visual teaching equipment, the handwriting pen groove is made of elastic rubber materials and is in a U-shaped clamping groove shape, and the handwriting pen is placed in the handwriting pen groove and clamped by the elastic U-shaped clamping groove.

According to the multimedia audio-visual teaching equipment, the exhaust fans are arranged on the lower portions of the left side and the right side of the host machine and used for dissipating heat of the host machine, and the influence of overhigh temperature of the equipment on the use of the equipment is avoided.

The beneficial effects of the utility model reside in that set up a universal wheel with locking device for equipment removes at will when locking device prevents to use, and set up the liquid crystal handwriting screen, made things convenient for the student to explain the understanding of content more, and provide a campus live, solved when holding large-scale lecture seat the problem that multimedia classroom seat is not enough, and this equipment is equipped with storage device, can preserve the content of screen as video file, make things convenient for the student to review in time after class and supply.

Drawings

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

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a rear plan view of the present invention;

FIG. 3 is a schematic view of the connection mode between the host and the extension set of the present invention;

reference numerals:

1. host 2 projector 3 projection screen

4. Display 5, extension 6, direct broadcast server

101. Control key 102, operation keyboard 103, liquid crystal handwriting screen

104. Stylus 105, stylus slot 106, speaker

107. Microphone 108, exhaust fan 109 and universal wheel

110. Mouse socket and network socket 111 leakage protector

201. Control switch 202 telescopic rod

501. Display screen 502, loudspeaker 503 and switch

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

The patent of the utility model provides a pair of embodiment: a multimedia audio-visual teaching device comprises a host 1, a projector 2 and a projection curtain 3, wherein the projector 2 is hinged to the front of the host 1, the projection curtain 3 is connected to the top of the host 1 through a telescopic rod 202, the telescopic rod 202 is fixed at the rear part of the host 1, the telescopic rod 202 is lifted to the maximum height and then puts down the projection curtain 3, the host 1 is hinged with a display 4, the upper surface of the host 1 is provided with a control key 101, an operating keyboard 102, a liquid crystal handwriting screen 103 and a handwriting pen 104, a user can use the handwriting pen 104 to draw and annotate the content of the propaganda on the liquid crystal handwriting screen 103, the content can be synchronously displayed on the display 4 and the projection curtain 3, the left side surface and the right side surface of the host 1 are provided with a microphone 107 and a loudspeaker 106, the teaching quality can be improved and the throat can be protected, the bottom of the host 1 is provided with a universal wheel 109, multimedia audio-visual equipment still is equipped with a plurality of extensions 5 and display screen 501, extension 5 is connected through live broadcast server 6 with host computer 1, extension 5 sets up respectively in a plurality of ordinary classroom, be equipped with loudspeaker 502 and switch 503 on extension 5, conveniently when carrying out the lecture of whole school, the student watches the live broadcast picture on display screen 501 in the classroom, switch 503 is used for controlling opening and closing of extension 5, multimedia audio-visual teaching equipment is equipped with storage function, and the lecturer can record the content of display on display 4 and preserve, perhaps plays the playback through watching the live broadcast for make things convenient for the student to give lessons the content at the temperature again after class.

As above, the multimedia video teaching device is provided with the control switch 201 on the projector 2 for controlling the projector 2 to be turned on and off and the projection curtain 3 to be rolled.

According to the multimedia audio-visual teaching equipment, the leakage protection device 111 is arranged in the host 1, so that the power supply can be automatically cut off when a circuit fails, and the protection effect on people and equipment is achieved.

As for the multimedia video teaching equipment, the universal wheel 109 is provided with a locking device, so that the teaching equipment is prevented from being moved randomly to influence the teaching quality.

According to the multimedia audio-visual teaching equipment, the host 1 is further provided with a handwriting pen groove 105, a mouse socket and a network socket 110, the mouse socket can be movably inserted into the mouse to control the host, the network socket can be connected with a network cable to facilitate network connection, and the handwriting pen groove 105 is used for accommodating the handwriting pen 104.

In the multimedia audio-visual teaching device, the stylus pen slot 105 is made of elastic rubber material and is in a U-shaped clamping slot shape, and the stylus pen 104 is placed in the stylus pen slot 105 when not in use and is clamped by the elastic U-shaped clamping slot.

According to the multimedia audio-visual teaching equipment, the exhaust fans 108 are arranged on the lower portions of the left side and the right side of the host machine and used for dissipating heat of the host machine 1, and the influence of overhigh temperature of the equipment on use is avoided.

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 the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (7)

1. A multimedia audio-visual teaching equipment is characterized in that: including host computer, projecting apparatus, projection curtain, the projecting apparatus is articulated to be located host computer the place ahead, the projection curtain passes through the telescopic link and connects in the host computer top, the telescopic link is fixed at the host computer rear portion, the telescopic link rises to puts down the projection curtain after the maximum height, the articulated display that is equipped with on the host computer, the host computer upper surface is equipped with control button, operating keyboard, liquid crystal handwriting screen and handwriting pen, the host computer left and right sides face is equipped with microphone and speaker, the host computer bottom is equipped with the universal wheel, multimedia audio-visual equipment still is equipped with a plurality of extensions and display screen, the extension passes through live broadcast server with the host computer and is connected, the extension sets up respectively in the ordinary classroom of a plurality of, be equipped with loudspeaker and switch on the extension, multimedia audio-visual teaching equipment is equipped.

2. The multimedia video teaching device according to claim 1, wherein: and a control switch is arranged on the projector.

3. The multimedia video teaching device according to claim 1, wherein: and an electric leakage protection device is arranged in the host machine.

4. The multimedia video teaching device according to claim 1, wherein: the universal wheel is provided with a locking device.

5. The multimedia video teaching device according to claim 1, wherein: the host is also provided with a handwriting pen slot, a mouse socket and a network socket.

6. The multimedia video teaching device according to claim 5, wherein: the handwriting pen slot is made of elastic rubber materials and is in a U-shaped clamping slot shape, and the handwriting pen is placed in the handwriting pen slot.

7. The multimedia video teaching device according to claim 1, wherein: exhaust fans are arranged at the lower parts of the left side and the right side of the main machine.

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