A hand-held Mandarin training device

Abstract

The invention discloses a hand-held Putonghua training device, which belongs to the technical field of Putonghua training devices; a hand-held Putonghua training device, comprising a hand-held housing and a driving housing, a through groove is arranged in the hand-held housing, and a pressing plate is connected to the lower end of the slide bar , the sliding rod is fixedly connected with an electric contact plate, and the inner wall of the through groove is respectively connected with the first contact point and the second contact point corresponding to the electric contact plate; the drive housing is connected with a motor, the motor is connected with a controller, and the output of the controller The end is connected to the transmission gear; the first rotating shaft and the third rotating shaft are connected through a sprocket mechanism, and the fourth rotating shaft and the fifth rotating shaft are respectively fixedly connected with a first protective plate and a second protective plate; Placed on the base, and then the first protective plate and the second protective plate are covered at the same time, and the display screen is protected in the drive housing, so as to achieve the protective effect, and at the same time through the sealing plugs on the first protective plate and the second protective plate , to achieve the effect of waterproof and dustproof.

Description

technical field [0001] The invention relates to the technical field of Putonghua trainers, in particular to a hand-held Putonghua trainer. Background technique [0002] For those who are deeply influenced by their hometown dialects and have little exposure to Mandarin, it is not a matter of one day to speak standard Mandarin, change the listening and speaking habits of the dialect for many years, and establish a brand-new listening and speaking ability. It takes great effort, hard work, diligent practice, and on the other hand, proper learning methods. [0003] In the prior art, if the patent number is: CN201720335768.3, and the announcement date is: 2017-11-17, a new type of Mandarin pronunciation training device is disclosed, including a table body and a mounting plate, and the table body and the mounting plate are both Hollow structure, and the installation plate is located above the top of the table body, two adjustment plates are arranged above the top of the table bod...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, if the patent number is: CN201720335768.3, and the announcement date is: 2017-11-17, a new type of Mandarin pronunciation training device is disclosed, including a table body and a mounting plate, and the table body and the mounting plate are both Hollow structure, and the installation plate is located above the top of the table body, two adjustment plates are arranged above the top of the table body, and the two adjustment plates are located on the same side of the installation plate, and the opposite sides of the adjustment plates are equipped with speakers , the inside of the table body is provided with two servo motor installation chambers and a push rod motor installation chamber, and the push rod motor installation chamber is located between the two servo motor installation chambers, and the servo motor installation chamber is equipped with There is a moving device, and the moving device includes a servo motor; its working principle is that the distance between the adjustment plate and the user can be changed through the cooperation of the servo motor and the screw, so that students with different hearing levels in the two ears can better It is good to listen to Mandarin speech, which is convenient for learning Mandarin pronunciation. This device is not easy to carry due to its large size

[0004] For example, the patent number is: CN201420154797.6, and the announcement date is: 2014-08-06, which discloses a hand-held Mandarin training device for Chinese language teaching, which relates to the field of teaching aids; the display is installed on the outer surface of the housing, and the main board Installed in the housing, the miniature microphone is installed on the housing, the central processing unit, logic judgment circuit, Chinese word memory, voice capture device, voice signal recognition device, delay circuit, conversion circuit, speaker and display control circuit are all installed on the main board In fact, although this solution is easy to carry, in the technical solution, the display is installed on the outer surface of the casing, and the display cannot be retracted when not in use, so that the display cannot be protected. Therefore, we propose to increase the display in the existing technology. The two protective panels are automatically retractable to protect the display screen

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