CN210223108U

CN210223108U - Internet-based multimedia teaching equipment

Info

Publication number: CN210223108U
Application number: CN201920953168.2U
Authority: CN
Inventors: Yeru Lin; 林烨如
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-03-31
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a based on internet multimedia teaching equipment, it includes box, multi-media display, the left and right sides of box is located to the slide bar, just the upper and lower both ends and the box fixed connection of slide bar, the through hole has been seted up at both ends about the brace table, the slide bar is through passing through hole and brace table sliding connection, the spring has been cup jointed to the lower extreme of slide bar, flexible adjusting screw's upper end and brace table fixed connection, flexible adjusting screw's lower extreme and step motor upper end fixed connection, the multi-media display is located on the brace table, the switch electric connection of remote control case and multi-media display, microphone, the remote control case passes through the bluetooth mode with information transmission device and is connected. The utility model discloses can be used to multimedia classroom show or lecture table, solve current multimedia teaching equipment function singleness, occupy the big shortcoming in space, in addition, the accessible is long-range to multimedia device open, practices thrift the classroom time.

Description

Internet-based multimedia teaching equipment

Technical Field

The utility model belongs to the technical field of multimedia teaching, especially, relate to a based on internet multimedia teaching equipment.

Background

The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect. At present, a lecture desk and a multimedia device in a classroom of a college occupy a large area, and in addition, a computer display screen in the multimedia device is directly placed in the device, so that the height of the device can not be adjusted according to the actual height and the use condition of a teacher, most teachers need to bend over to use, and great inconvenience is brought. In addition, multimedia teaching equipment in the classroom relates to equipment such as computers, microphones and audios, and the multimedia teaching equipment in the classroom is started after a teacher arrives at a classroom, so that a certain class time can be occupied. Therefore, an internet-based multimedia teaching apparatus is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a based on internet multimedia teaching equipment, it can effectively solve the above-mentioned problem that prior art exists.

In order to achieve the above object, the present invention provides the following technical solutions: an internet-based multimedia teaching device comprises a box body, a multimedia display, a microphone, a support, a remote control box, an information transmission device, a left cover body, a right cover body and a front cover body, wherein a sliding rod, a supporting table and a spring are arranged in the box body, the sliding rod is arranged on the left side and the right side of the box body, the upper end and the lower end of the sliding rod are fixedly connected with the box body, the left end and the right end of the supporting table are provided with through holes, the sliding rod is slidably connected with the supporting table by penetrating through the through holes, the lower end of the sliding rod is sleeved with the spring, the lower end of the spring is fixedly connected with the box body, a telescopic assembly and a remote control module are also arranged in the box body, the telescopic assembly comprises a telescopic adjusting screw rod and a stepping motor, the upper end of the telescopic adjusting screw rod is fixedly connected with, the multimedia display is arranged on the support table, the microphone is fixed on the support table through a support, the remote control box is arranged in the box body, the remote control box is electrically connected with the multimedia display and a power switch of the microphone, the remote control box is connected with the information transmission device in a Bluetooth mode, and the information transmission device sends an operation instruction to the remote control box in the Bluetooth mode to start or close the power switches of the multimedia display and the microphone; the box body is characterized in that slideways are formed in the front side face and the rear side face of the upper end of the box body, sliding blocks matched with the slideways are arranged at the lower ends of the left cover body and the right cover body, the left cover body and the right cover body are connected to the box body in a sliding mode and can freely slide along the slideways in the left-right mode, and the front cover body capable of being opened is arranged at the front end of the.

Furthermore, the information transmission device comprises mobile communication equipment, a teaching system server and a Bluetooth transmitting module, the mobile communication equipment sends an instruction to the teaching system server in a wireless mode, the teaching system server sends an operation command to the remote control box through the Bluetooth transmitting module, a circuit board is arranged in the remote control box, a Bluetooth driving module, a Bluetooth receiving module, a singlechip, a relay driving circuit and a relay set are arranged on the circuit board, the Bluetooth driving module is connected with a Bluetooth receiving module, the Bluetooth receiving module is connected with a singlechip, the single chip microcomputer is connected with a relay driving circuit, the relay driving circuit is connected with a relay set, the relay set comprises two sets of relays, and the two sets of relays are respectively and electrically connected with the power switches of the multimedia display and the microphone.

Furthermore, two groups of telescopic assemblies are arranged in the box body.

Further, the height of the spring is larger than that of the telescopic assembly in a contraction state.

Furthermore, radiating holes are formed in the left end face and the right end face of the box body.

Furthermore, the front cover body, the left cover body and the right cover body are provided with coded locks.

Further, the microphone is detachably fixed on the support.

Furthermore, a baffle plate is arranged on the spring.

Compared with the prior art, the beneficial effects of the utility model are that: multimedia display (like computer display screen or computer all-in-one), can place on a supporting bench, and a supporting bench lower extreme is connected with flexible adjusting screw, flexible adjusting screw under step motor's drive, flexible adjusting screw, the both ends of bracing piece extend the slide bar rebound, and multimedia display passes through the export roll-off, in addition, accomodate the inslot on the fixed plate and can place keyboard and mouse, the teacher of being convenient for uses on class. In addition, when the multimedia equipment is not used, the telescopic adjusting screw rod is driven by the stepping motor to contract downwards, and when the telescopic adjusting screw rod contracts and moves to the lowest end, the left cover body and the right cover body are closed inwards, so that the platform table can be used. In addition, the arrangement of the spring can increase the buffering effect when the supporting platform slides downwards, and the damage of the multimedia display caused by the descending impact of the supporting platform is avoided. In addition, the information transmission device sends an operation instruction to the remote control box in a Bluetooth mode, the power switches of the multimedia display and the microphone are started or closed, and a teacher can turn on the switches of the multimedia display screen and the microphone in a remote mode before class, so that class time is prevented from being occupied.

Drawings

Fig. 1 is a schematic structural diagram of an internet-based multimedia teaching device according to the present invention;

fig. 2 is a schematic diagram of an internal structure of the internet-based multimedia teaching apparatus according to the present invention;

fig. 3 is a schematic view of another internal angle structure of the internet-based multimedia teaching apparatus according to the present invention;

fig. 4 is a schematic view of a usage status structure of the internet-based multimedia teaching device according to the present invention;

FIG. 5 is a schematic diagram of an information transfer device;

FIG. 6 is a schematic diagram of a remote control box;

description of reference numerals:

the multimedia teaching box comprises a box body 1, a multimedia display 2, a microphone 3, a support 4, a remote control box 5, a left cover body 6, a right cover body 7, a front cover body 8, a sliding rod 9, a support table 10, a spring 11, a telescopic adjusting screw 12, a stepping motor 13, a fixing plate 14, a containing groove 15, an outlet 16, a slide way 17, a slide block 18, mobile communication equipment 19, a teaching system server 20, a Bluetooth transmitting module 21, a Bluetooth driving module 22, a Bluetooth receiving module 23, a single chip microcomputer 24, a relay driving circuit 25, a relay 26, a heat dissipation hole 27, a coded lock 28 and a baffle 29.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

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 by those of ordinary skill in the art through specific situations.

An internet-based multimedia teaching device comprises a box body 1, a multimedia display 2, a microphone 3, a support 4, a remote control box 5, an information transmission device, a left cover body 6, a right cover body 7 and a front cover body 8, wherein a slide bar 9, a support table 10 and a spring 11 are arranged in the box body 1, the slide bar 9 is arranged on the left side and the right side of the box body 1, the upper end and the lower end of the slide bar 9 are fixedly connected with the box body 1, the left end and the right end of the support table 10 are provided with through holes, the slide bar 9 is slidably connected with the support table 10 by penetrating through the through holes, the lower end of the slide bar 9 is sleeved with the spring 11, the lower end of the spring 11 is fixedly connected with the box body 1, a telescopic assembly is also arranged in the box body 1 and comprises a telescopic adjusting screw 12 and a stepping motor 13, the upper end of the telescopic adjusting screw 12 is fixedly connected with, the lower end of the stepping motor 13 is fixedly connected with the box body 1, the multimedia display 2 is arranged on the support table 10, the microphone 3 is fixed on the support table 10 through a support 4, the remote control box 5 is arranged in the box body 1, the remote control box 5 is electrically connected with the multimedia display 2 and a power switch of the microphone 3, the remote control box 5 is connected with the information transmission device in a Bluetooth mode, and the information transmission device sends an operation instruction to the remote control box in the Bluetooth mode to start or close the power switches of the multimedia display and the microphone; the front side of the up end of box 1 is equipped with fixed plate 14, set up the groove 15 of accomodating that can place keyboard and mouse on the fixed plate 14, export 16 has been seted up to the rear side of box 1 up end, multimedia display 2 locates under export 16, slide 17 has been seted up on the front and back both sides face of box 1 upper end, the lower extreme of left side lid 6 and right lid 7 is equipped with the slider 18 that uses with slide 17 cooperation, left side lid 6 and right lid 7 sliding connection just can control along slide 17 free slip on box 1, the front end of box 1 is equipped with the preceding lid 8 that can open.

As shown in fig. 1-4, the multimedia display (such as a computer display screen or a computer integrated machine) can be placed on the support table, the lower end of the support table is connected with a telescopic adjusting screw rod, the telescopic adjusting screw rod is driven by a stepping motor to extend and retract, the two ends of the support rod extend to enable the slide rod to move upwards, the multimedia display slides out through an outlet, and in addition, a keyboard and a mouse can be placed in the accommodating groove on the fixing plate, so that a teacher can use the multimedia display in class conveniently. In addition, when the multimedia equipment is not used, the telescopic adjusting screw rod is driven by the stepping motor to contract downwards, and when the telescopic adjusting screw rod contracts and moves to the lowest end, the left cover body and the right cover body are closed inwards, so that the platform table can be used. In addition, the arrangement of the spring can increase the buffering effect when the supporting platform slides downwards, and the damage of the multimedia display caused by the descending impact of the supporting platform is avoided. In addition, the information transmission device sends an operation instruction to the remote control box in a Bluetooth mode, the power switches of the multimedia display and the microphone are started or closed, and a teacher can turn on the switches of the multimedia display screen and the microphone in a remote mode before class, so that class time is prevented from being occupied. Remote control is only exemplified by a multimedia display and a microphone, but is not limited to these two, and may also include remote turning on of other devices, such as a projector and an audio device. FIG. 1 is a diagram illustrating a status of a lecture table; fig. 4 is a multimedia presentation usage state diagram. In addition, the cross section of the slide way 17 is T-shaped, the cross section of the slide block is inverted T-shaped, and the slide block is meshed and connected with the slide way.

Preferably as above-mentioned technical scheme, information transmission device includes mobile communication equipment 19, teaching system server 20 and bluetooth emission module 21, mobile communication equipment 19 sends the instruction to teaching system server 20 through wireless mode, teaching system server 20 sends operating command to remote control box 5 through bluetooth emission module 21, be equipped with the circuit board in the remote control box 5, be equipped with bluetooth drive module 22, bluetooth receiving module 23, singlechip 24, relay drive circuit 25, relay group on the circuit board, bluetooth drive module 22 is connected with bluetooth receiving module 23, bluetooth receiving module 23 is connected with singlechip 24, singlechip 24 is connected with relay drive circuit 25, relay drive circuit 25 is connected with the relay group, the relay group includes two sets of relays, two sets of relay 26 and multimedia display 2, display 2, The power switch of the microphone 3 is electrically connected.

In the above technical solution, as shown in fig. 5 and fig. 6, the bluetooth transmitting module and the bluetooth receiving module both need to select a bluetooth module with a transmission distance up to 100 meters, such as a bluetooth wireless module like C1B of Wilcoxon Research, so as to meet the requirement of the transmission distance. The Bluetooth driving module is a 3.3V voltage stabilizing circuit, adopts a battery to supply power, is used for supplying power to the Bluetooth receiving module, and can be separated from a power supply system of a teaching building to work. The singlechip selects a common AT89S52 chip. The 9031 triode can be selected as the relay driving circuit, and the relay driving circuit is simple, effective and economical. The control end of the relay is connected with the single chip microcomputer through the auxiliary circuit, the current of a single output port of the single chip microcomputer is limited, the requirement of the working current of a relay coil cannot be met, a relay driving circuit needs to be connected between the single chip microcomputer and a relay group, and the output current is amplified through the relay driving circuit. When the I/O port of the singlechip outputs high level, no current passes through the coil of the relay, and the relay does not act; when the I/O port outputs low level, the relay coil obtains current due to potential difference, so that the relay is attracted to achieve the purpose of controlling 220V high power, and the switch end of the relay is connected with a power supply of the multimedia teaching equipment.

In the technical scheme, if a plurality of multimedia devices need to be remotely turned on or turned off, a plurality of relays can be set, and the number of the relays is consistent with the number of the power supplies of the multimedia devices. In addition, in the above technical solution, the mobile communication terminal may adopt a mobile phone or a tablet computer.

In above-mentioned technical scheme, the teacher utilizes mobile communication terminal to send the instruction to teaching system server in the office, and teaching system server receives and verifies identity information, sends the instruction to the singlechip in the classroom through the bluetooth mode, and the relay jump is controlled to the singlechip receipt instruction back, and the relay is closed, and teaching equipment power circular telegram, multimedia display and microphone begin work, in addition, also can add the remote control of projecting apparatus and sound equipment as required.

Preferably, two sets of telescopic assemblies are arranged in the box body 1. The height of the spring 11 is 1-3cm higher than that of the telescopic assembly in the contraction state.

Preferably, heat dissipation holes 27 are formed in the left and right end faces of the case 1, the combination locks 28 are arranged on the front cover 8, the left cover 6 and the right cover 7, the microphone 3 is detachably fixed on the support 4, and the spring 11 is provided with a baffle 29.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An internet-based multimedia teaching device is characterized in that: it includes box (1), multi-media display (2), microphone (3), support (4), remote control case (5), information transmission device, left lid (6), right side lid (7), preceding lid (8), be equipped with slide bar (9), brace table (10), spring (11) in box (1), the left and right sides of box (1) is located in slide bar (9), just the upper and lower both ends and box (1) fixed connection of slide bar (9), the through hole has been seted up at both ends about brace table (10), slide bar (9) are through passing through hole and brace table (10) sliding connection, spring (11) have been cup jointed to the lower extreme of slide bar (9), and the lower extreme and box (1) fixed connection of spring (11), still be equipped with flexible subassembly in box (1), flexible subassembly is including flexible adjusting screw (12), A stepping motor (13), the upper end of the telescopic adjusting screw rod (12) is fixedly connected with the support table (10), the lower end of the telescopic adjusting screw rod (12) is fixedly connected with the upper end of the stepping motor (13), the lower end of the stepping motor (13) is fixedly connected with the box body (1), the multimedia display (2) is arranged on the supporting platform (10), the microphone (3) is fixed on the support table (10) through the support (4), the remote control box (5) is arranged in the box body (1), the remote control box (5) is electrically connected with the power switches of the multimedia display (2) and the microphone (3), the remote control box (5) is connected with an information transmission device in a Bluetooth mode, and the information transmission device sends an operation instruction to the remote control box in the Bluetooth mode to start or close a power switch of the multimedia display and the microphone;

the front side of the upper end face of the box body (1) is provided with a fixing plate (14), an accommodating groove (15) capable of accommodating a keyboard and a mouse is formed in the fixing plate (14), an outlet (16) is formed in the rear side of the upper end face of the box body (1), the multimedia display (2) is arranged under the outlet (16), a slide way (17) is formed in the front side face and the rear side face of the upper end of the box body (1), a slide block (18) matched with the slide way (17) for use is arranged at the lower ends of the left cover body (6) and the right cover body (7), the left cover body (6) and the right cover body (7) are connected to the box body (1) in a sliding mode and can slide freely along the slide way (17) leftwards and rightwards, and the front cover body (8).

2. An internet-based multimedia teaching apparatus as claimed in claim 1, wherein: the information transmission device comprises a mobile communication device (19), a teaching system server (20) and a Bluetooth transmitting module (21), wherein the mobile communication device (19) sends an instruction to the teaching system server (20) in a wireless mode, the teaching system server (20) sends an operation instruction to a remote control box (5) through the Bluetooth transmitting module (21), a circuit board is arranged in the remote control box (5), a Bluetooth driving module (22), a Bluetooth receiving module (23), a single chip microcomputer (24), a relay driving circuit (25) and a relay group are arranged on the circuit board, the Bluetooth driving module (22) is connected with the Bluetooth receiving module (23), the Bluetooth receiving module (23) is connected with the single chip microcomputer (24), the single chip microcomputer (24) is connected with the relay driving circuit (25), and the relay driving circuit (25) is connected with the relay group, the relay group comprises two sets of relays (26), and the two sets of relays (26) are electrically connected with power switches of the multimedia display (2) and the microphone (3) respectively.

3. An internet-based multimedia teaching apparatus as claimed in claim 1, wherein: two groups of telescopic assemblies are arranged in the box body (1).

4. An internet-based multimedia teaching apparatus as claimed in claim 3, wherein: the height of the spring (11) is greater than the height of the telescopic assembly in the retracted state.

5. An internet-based multimedia teaching apparatus as claimed in claim 1, wherein: the left end face and the right end face of the box body (1) are provided with heat dissipation holes (27).

6. An internet-based multimedia teaching apparatus as claimed in claim 1, wherein: coded locks (28) are arranged on the front cover body (8) and the left cover body (6) and the right cover body (7).

7. An internet-based multimedia teaching apparatus as claimed in claim 1, wherein: the microphone (3) is detachably fixed on the support (4).

8. An internet-based multimedia teaching apparatus as claimed in claim 1, wherein: and a baffle (29) is arranged on the spring (11).