CN221768212U - A multimedia classroom sound amplification device - Google Patents
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- CN221768212U CN221768212U CN202323570918.3U CN202323570918U CN221768212U CN 221768212 U CN221768212 U CN 221768212U CN 202323570918 U CN202323570918 U CN 202323570918U CN 221768212 U CN221768212 U CN 221768212U
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Abstract
本实用新型公开了一种多媒体课堂扩音设备，包括：调节机构，调节机构包括滑块，滑块上安装有第一正反转电机，第一正反转电机安装有齿轮，齿轮位于滑块开口处，滑块下方固定安装有伸缩杆，伸缩杆下方固定连接有连接杆，连接杆铰接安装有活动杆，活动杆一侧固定安装有第二固定板，活动杆内部设有第二反转电机，第二正反转电机安装有第二锥形齿轮，第二锥形齿轮啮合连接有第一锥形齿轮，第一锥形齿轮圆心处固定安装有转轴，转轴与活动杆固定连接，与连接杆轴承连接，第二固定板固定连接有音响。本实用新型提供的一种多媒体课堂扩音设备通过调节机构，实现了音响位置的调节功能，从而使扩音效果更好。
The utility model discloses a multimedia classroom sound amplification device, including: an adjustment mechanism, the adjustment mechanism includes a slider, a first forward and reverse motor is installed on the slider, the first forward and reverse motor is installed with a gear, the gear is located at the opening of the slider, a telescopic rod is fixedly installed below the slider, a connecting rod is fixedly connected below the telescopic rod, a movable rod is hingedly installed on the connecting rod, a second fixed plate is fixedly installed on one side of the movable rod, a second reverse motor is arranged inside the movable rod, a second forward and reverse motor is installed with a second bevel gear, the second bevel gear is meshingly connected with the first bevel gear, a rotating shaft is fixedly installed at the center of the first bevel gear, the rotating shaft is fixedly connected to the movable rod, and is connected to the connecting rod bearing, and a sound is fixedly connected to the second fixed plate. The multimedia classroom sound amplification device provided by the utility model realizes the adjustment function of the sound position through the adjustment mechanism, so as to achieve a better sound amplification effect.
Description
技术领域Technical Field
本实用新型涉及课堂教学技术领域，尤其涉及一种多媒体课堂扩音设备。The utility model relates to the technical field of classroom teaching, in particular to a multimedia classroom sound amplification device.
背景技术Background Art
多媒体计算机辅助教学是指利用多媒体计算机，综合处理和控制符号、语言、文字、声音、图形、图像、影像等多种媒体信息，把多媒体的各个要素按教学要求，进行有机组合并通过屏幕或投影机投影显示出来，同时按需要加上声音的配合，以及使用者与计算机之间的人机交互操作，完成教学或训练过程。Multimedia computer-assisted teaching refers to the use of multimedia computers to comprehensively process and control various media information such as symbols, languages, texts, sounds, graphics, images, and videos, organically combine various elements of multimedia according to teaching requirements, and display them through a screen or projector, while adding sound coordination as needed, as well as human-computer interaction between the user and the computer to complete the teaching or training process.
现有技术公开了一种媒体课堂扩音设备，通过在墙体上固定音响，教师使用麦克风使声音覆盖整间教室以此达到更好的信息传播与教学效果。The prior art discloses a media classroom sound amplification device, which fixes the speakers on the wall and allows the teacher to use a microphone to cover the entire classroom with sound, thereby achieving better information dissemination and teaching effects.
该装置在使用时，无法根据教室内的学生数量与位置分布情况做出调整，以改善扩音效果，当教室内人员数量较少时，由于音响位置固定，音响与人员的距离较远声音发出后在空旷的教室内具体有较大的回声，回声与音响发出原声混杂在起导致声音杂乱，影响教学效率。When the device is in use, it cannot be adjusted according to the number of students and their position distribution in the classroom to improve the sound amplification effect. When there are fewer people in the classroom, due to the fixed position of the speakers and the far distance between the speakers and the people, the sound will have a large echo in the empty classroom after it is emitted. The echo is mixed with the original sound emitted by the speakers, resulting in a chaotic sound, which affects the teaching efficiency.
因此，有必要提供一种多媒体课堂扩音设备解决上述技术问题。Therefore, it is necessary to provide a multimedia classroom sound amplification device to solve the above technical problems.
实用新型内容Utility Model Content
针对上述情况，为克服现有技术缺陷，本实用新型提供了一种多媒体课堂扩音设备能够更好的根据教室内的学生数量与位置分布情况做出调整来到达更好的扩音效果。In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a multimedia classroom sound amplification device that can better adjust according to the number of students and position distribution in the classroom to achieve a better sound amplification effect.
为实现上述目的，本实用新型采用的技术方案如下：In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
一种多媒体课堂扩音设备，包括：调节机构，所述调节机构包括滑块，所述滑块上安装有第一正反转电机，所述第一正反转电机安装有齿轮，所述齿轮位于滑块开口处，所述滑块下方固定安装有伸缩杆，所述伸缩杆下方固定连接有连接杆，所述连接杆铰接安装有活动杆，所述活动杆一侧固定安装有第二固定板，所述活动杆内部设有第二反转电机，所述第二正反转电机安装有第二锥形齿轮，所述第二锥形齿轮啮合连接有第一锥形齿轮，所述第一锥形齿轮圆心处固定安装有转轴，所述转轴与活动杆固定连接，与连接杆轴承连接，所述第二固定板固定连接有音响。A multimedia classroom sound amplification device, including: an adjustment mechanism, the adjustment mechanism includes a slider, a first forward and reverse motor is installed on the slider, the first forward and reverse motor is installed with a gear, the gear is located at the opening of the slider, a telescopic rod is fixedly installed below the slider, a connecting rod is fixedly connected below the telescopic rod, a movable rod is hingedly installed on the connecting rod, a second fixed plate is fixedly installed on one side of the movable rod, a second reverse motor is arranged inside the movable rod, the second forward and reverse motor is installed with a second bevel gear, the second bevel gear is meshingly connected with the first bevel gear, a rotating shaft is fixedly installed at the center of the first bevel gear, the rotating shaft is fixedly connected to the movable rod, and is connected to the connecting rod bearing, and the second fixed plate is fixedly connected to a speaker.
优选地，调节机构安装在滑轨上，所述滑轨上设有锯齿条，所述锯齿条与齿轮啮合，所述滑轨两侧固定安装有第一固定板。Preferably, the adjustment mechanism is installed on a slide rail, a sawtooth bar is provided on the slide rail, the sawtooth bar is meshed with a gear, and first fixing plates are fixedly installed on both sides of the slide rail.
优选地，第一正反转电机以及第二正反转电机电性连接有控制台，所述控制台上设有四组按钮。Preferably, the first forward and reverse motor and the second forward and reverse motor are electrically connected to a control console, and the control console is provided with four groups of buttons.
优选地，音响电信号连接有领夹式麦克风以及第二麦克风。Preferably, the audio electrical signal is connected to a collar microphone and a second microphone.
优选地，领夹式麦克风包括机身，所述机身上安装有天线以及插孔，所述插孔快拆式连接有数据线，所述数据线安装有夹片以及第一麦克风。Preferably, the collar-clip microphone comprises a body, on which an antenna and a jack are mounted, the jack is connected with a data cable in a quick-release manner, and the data cable is mounted with a clip and a first microphone.
优选地，第二麦克风活动安装在活动支架上。Preferably, the second microphone is movably mounted on a movable bracket.
与现有技术相比，本实用新型具有以下有益效果：Compared with the prior art, the utility model has the following beneficial effects:
(1)本实用新型通过调节机构，实现了音响位置的调节功能，从而使扩音效果更好；(1) The utility model realizes the adjustment function of the sound position through the adjustment mechanism, thereby achieving a better sound amplification effect;
(2)本实用新型通过提供领夹式麦克风以及第二麦克风这两种麦克风，为不同的教学模式提供了不同的选择，以此达到更好的教学效果；(2) The utility model provides two types of microphones, namely, a lavalier microphone and a second microphone, to provide different options for different teaching modes, thereby achieving better teaching effects;
(3)本实用新型通过活动支架可以方便调节第二麦克风的位置，调节活动支架角度以方便不同身高的教师使用。(3) The utility model can conveniently adjust the position of the second microphone through the movable bracket, and adjust the angle of the movable bracket to facilitate use by teachers of different heights.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本实用新型提供的一种多媒体课堂扩音设备的第一视角结构示意图；FIG1 is a schematic diagram of the structure of a multimedia classroom sound amplification device provided by the utility model from a first viewing angle;
图2为本实用新型提供的一种多媒体课堂扩音设备的第二视角结构示意图；FIG2 is a schematic diagram of the structure of a multimedia classroom sound amplification device provided by the utility model from a second viewing angle;
图3为本实用新型提供的一种多媒体课堂扩音设备的调节机构结构示意图；FIG3 is a schematic diagram of the structure of an adjustment mechanism of a multimedia classroom sound amplification device provided by the utility model;
图4为本实用新型提供的一种多媒体课堂扩音设备的活动杆内部结构示意图；FIG4 is a schematic diagram of the internal structure of a movable rod of a multimedia classroom sound amplification device provided by the utility model;
图5为本实用新型提供的一种多媒体课堂扩音设备的领夹式麦克风结构示意图；FIG5 is a schematic diagram of the structure of a collar-clip microphone of a multimedia classroom sound amplification device provided by the utility model;
图6为本实用新型提供的一种多媒体课堂扩音设备的第二麦克风机构示意图；FIG6 is a schematic diagram of a second microphone mechanism of a multimedia classroom sound amplification device provided by the present invention;
图7为本实用新型提供的一种多媒体课堂扩音设备的控制台结构示意图；FIG7 is a schematic diagram of the structure of a control console of a multimedia classroom sound amplification device provided by the present invention;
其中，附图标记对应的名称为：101、滑轨；102、第一固定板；103、音响；104、锯齿条；200、调节机构；201、第一正反转电机；202、齿轮；203、滑块；204、伸缩杆；205、连接杆；206、第二固定板；207、活动杆；208、转轴；209、第一锥形齿轮；210、第二锥形齿轮；211、第二正反转电机；300、领夹式麦克风；301、机身；302、天线；303、数据线；304、夹片；305、第一麦克风；306、插孔；401、活动支架；402、第二麦克风；500、控制台；501、按钮。Among them, the names corresponding to the figure numbers are: 101, slide rail; 102, first fixed plate; 103, speaker; 104, sawtooth bar; 200, adjustment mechanism; 201, first forward and reverse motor; 202, gear; 203, slider; 204, telescopic rod; 205, connecting rod; 206, second fixed plate; 207, movable rod; 208, rotating shaft; 209, first bevel gear; 210, second bevel gear; 211, second forward and reverse motor; 300, clip microphone; 301, body; 302, antenna; 303, data cable; 304, clip; 305, first microphone; 306, jack; 401, movable bracket; 402, second microphone; 500, control console; 501, button.
具体实施方式DETAILED DESCRIPTION
下面结合附图说明和实施例对本实用新型作进一步说明，本实用新型的方式包括但不仅限于以下实施例。The present invention is further described below in conjunction with the accompanying drawings and embodiments. The present invention includes but is not limited to the following embodiments.
第一实施例：First embodiment:
如图1-4所示，为本实用新型提供的一种多媒体课堂扩音设备，包括：调节机构200，调节机构200包括滑块203，滑块203上安装有第一正反转电机201，第一正反转电机201安装有齿轮202，使用正反转电机可以控制齿轮202正向或反向转动，从而带动整个调节机构200来回移动，齿轮202位于滑块203开口处，滑块203下方固定安装有伸缩杆204，伸缩杆204下方固定连接有连接杆205，利用伸缩杆204的伸缩功能能够调节音响103的高低位置，连接杆205铰接安装有活动杆207，活动杆207一侧固定安装有第二固定板206，活动杆207内部设有第二反转电机211，第二正反转电机211安装有第二锥形齿轮210，第二锥形齿轮210啮合连接有第一锥形齿轮209，第一锥形齿轮209圆心处固定安装有转轴208，转轴208与活动杆207固定连接，与连接杆205轴承连接，通过第二正反转电机211带动第二锥形齿轮210正向或反向转动，可调节音响103的倾斜角度，第二固定板206固定连接有音响103。As shown in Fig. 1-4, a multimedia classroom sound amplification device provided by the utility model includes: an adjustment mechanism 200, the adjustment mechanism 200 includes a slider 203, a first forward and reverse motor 201 is installed on the slider 203, the first forward and reverse motor 201 is installed with a gear 202, the forward and reverse motor can be used to control the gear 202 to rotate forward or reverse, thereby driving the entire adjustment mechanism 200 to move back and forth, the gear 202 is located at the opening of the slider 203, a telescopic rod 204 is fixedly installed below the slider 203, and a connecting rod 205 is fixedly connected below the telescopic rod 204. The telescopic function of the telescopic rod 204 can be used to adjust the height of the speaker 103, and the connecting rod 205 can be connected to the connecting rod 205. The rod 205 is hingedly installed with a movable rod 207, and a second fixed plate 206 is fixedly installed on one side of the movable rod 207. A second reversing motor 211 is arranged inside the movable rod 207. The second forward and reverse motor 211 is installed with a second bevel gear 210. The second bevel gear 210 is meshingly connected with the first bevel gear 209. A rotating shaft 208 is fixedly installed at the center of the first bevel gear 209. The rotating shaft 208 is fixedly connected to the movable rod 207 and is connected to the bearing of the connecting rod 205. The second bevel gear 210 is driven to rotate forward or reversely by the second forward and reverse motor 211, so that the inclination angle of the speaker 103 can be adjusted. The second fixed plate 206 is fixedly connected with the speaker 103.
通过滑块203、伸缩杆204以及活动杆207分别实现了对音响103水平位置、垂直位置以及倾斜角度的调整，从而可以根据教室内的学生数量与位置分布情况做出调整，实现更好的扩音效果。The horizontal position, vertical position and tilt angle of the speaker 103 can be adjusted by the slider 203, the telescopic rod 204 and the movable rod 207, so that adjustments can be made according to the number of students and their position distribution in the classroom to achieve a better sound amplification effect.
第二实施例：Second embodiment:
如图1所示，调节机构200安装在滑轨101上，滑轨101上设有锯齿条104，锯齿条104与齿轮202啮合，滑轨101两侧固定安装有第一固定板102。As shown in FIG. 1 , the adjustment mechanism 200 is installed on the slide rail 101 . The slide rail 101 is provided with a sawtooth bar 104 . The sawtooth bar 104 is meshed with the gear 202 . First fixing plates 102 are fixedly installed on both sides of the slide rail 101 .
通过第一固定板102实现了整个装置在墙体上的固定，齿轮202通过与锯齿条104啮合，更好的带动了整个装置在水平位置上的移动。The entire device is fixed on the wall by the first fixing plate 102 , and the gear 202 is meshed with the sawtooth bar 104 , thereby better driving the movement of the entire device in a horizontal position.
第三实施例：Third embodiment:
如图7所示，第一正反转电机201以及第二正反转电机(211)电性连接有控制台500，控制台500上设有四组按钮501。As shown in FIG. 7 , the first forward and reverse motor 201 and the second forward and reverse motor ( 211 ) are electrically connected to a control console 500 , and four sets of buttons 501 are provided on the control console 500 .
通过控制台500可以使调节音响位置的过程更加方便。The control console 500 can make the process of adjusting the sound position more convenient.
第四实施例：Fourth embodiment:
音响103电信号连接有领夹式麦克风300以及第二麦克风402。The speaker 103 is electrically connected to a collar microphone 300 and a second microphone 402 .
通过提供领夹式麦克风3000以及第二麦克风402这两种麦克风，为不同的教学模式提供了不同的选择，以此达到更好的教学效果。By providing the two microphones, the lavalier microphone 3000 and the second microphone 402 , different options are provided for different teaching modes, thereby achieving better teaching effects.
第五实施例：Fifth embodiment:
领夹式麦克风300包括机身301，机身301上安装有天线302以及插孔306，插孔306快拆式连接有数据线303，数据线303安装有夹片304以及第一麦克风305。The collar-clip microphone 300 includes a body 301 , on which an antenna 302 and a socket 306 are mounted. The socket 306 is connected to a data cable 303 in a quick-release manner, and the data cable 303 is mounted with a clip 304 and a first microphone 305 .
通过夹片304可以将第一麦克风305置于嘴部周围，通过使用领夹式麦克风300允许教师离开讲台进行授课。The first microphone 305 can be placed around the mouth by the clip 304, allowing the teacher to give a lecture away from the podium by using the lavalier microphone 300.
第六实施例：Sixth embodiment:
第二麦克风402活动安装在活动支架401上。The second microphone 402 is movably mounted on the movable bracket 401 .
通过活动支架401可以方便调节第二麦克风402的位置，调节活动支架角度以方便不同身高的教师使用。The position of the second microphone 402 can be easily adjusted through the movable bracket 401, and the angle of the movable bracket can be adjusted to facilitate use by teachers of different heights.
使用时，教师可先观察教室内学生数量与分布情况，通过控制台500对音响103的音量以及位置进行调节，使用活动支架401调整第二麦克风402的位置后便可以开始授课，或者使用领夹式麦克风300进行授课，将数据线303插入插孔306中，再将夹片304夹在衣领处，机身301置于口袋或将其手持，便可以离开讲台，走近学生进行授课。When in use, the teacher can first observe the number and distribution of students in the classroom, adjust the volume and position of the speaker 103 through the console 500, and start teaching after adjusting the position of the second microphone 402 using the movable bracket 401, or use the collar microphone 300 to teach, insert the data cable 303 into the jack 306, and then clip the clip 304 on the collar, put the body 301 in the pocket or hold it, and then leave the podium and approach the students to teach.
上述实施例仅为本实用新型的优选实施方式之一，不应当用于限制本实用新型的保护范围，但凡在本实用新型的主体设计思想和精神上作出的毫无实质意义的改动或润色，其所解决的技术问题仍然与本实用新型一致的，均应当包含在本实用新型的保护范围之内。The above embodiment is only one of the preferred implementation modes of the present utility model and should not be used to limit the protection scope of the present utility model. Any changes or modifications that are made to the main design concept and spirit of the present utility model without any substantive significance, as long as the technical problems solved are still consistent with the present utility model, should be included in the protection scope of the present utility model.
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