CN204884252U - Alphabetical pronunciation device is used in foreign language study - Google Patents

Abstract

The utility model discloses a letter pronunciation device for foreign language learning, which comprises a mounting table and a bracket. The four corners of the bottom of the mounting table are provided with brackets, and the surface of the mounting table is provided with a rectangular mounting groove two. The inner cavity of the mounting table is fixedly provided with a connecting rod, and the connecting rod is rotatably connected to the display housing. The inner cavity of the mounting table is provided with a single-chip microcomputer and a voltage stabilizer, and the voltage stabilizer is electrically connected to the display, the loudspeaker and the power plug respectively. The alphabet pronunciation device for foreign language learning can read and connect external voice data through the USB jack, so the learning content is rich, and displayed on the display, and can choose to broadcast with a loudspeaker or listen with earphones according to the needs of students, and the operation is simple and convenient. The inner cavity of the installation platform is equipped with a voltage stabilizer, which can stabilize the input voltage and ensure the normal operation of the equipment, and can search for the required content through the input keyboard, and the set drawer can place the supplies of the learners.

Description

A letter pronunciation device for foreign language learning

technical field

The utility model relates to the technical field of teaching equipment, in particular to a letter pronunciation device for foreign language learning.

Background technique

At present, listening training for middle school students studying foreign languages is an important teaching content, especially foreign language listening is also an important aspect of assessing and improving students' language ability. Therefore, in the process of foreign language teaching, it is necessary to attach great importance to students' foreign language listening training. At present, the foreign language training method mainly aimed at students is to practice listening by providing fixed materials, pre-recording tapes or text content for them to play repeatedly. There are also some that play some sounds through MP3 for practice. This can easily lead to student fatigue and affect the listening effect. For this reason we propose a kind of foreign language learning letter pronunciation device.

Utility model content

The purpose of this utility model is to provide a foreign language learning letter pronunciation device to solve the problems raised in the background technology.

In order to achieve the above object, the utility model provides the following technical solutions: a device for pronouncing letters for foreign language learning, including a mounting table and a bracket, the four corners of the bottom of the mounting table are provided with brackets, and the surface of the mounting table is provided with a rectangular mounting bracket. Groove two, the inner cavity of the installation groove two is fixed with a connecting rod, the connecting rod is connected to the display shell by rotation, and a display and a horn are arranged on the surface of the display shell, and the inner cavity of the installation platform is provided with a single-chip microcomputer and a stable voltage regulator, the voltage regulator is electrically connected to the display, the speaker and the power plug respectively, and the single-chip microcomputer is electrically connected to the voltage regulator, display, USB jack, input keyboard and earphone jack respectively, and the single-chip microcomputer is electrically connected to the speaker through an amplifying circuit , the single-chip microcomputer is electrically connected to the microphone through a filter and an amplifying circuit in turn.

Preferably, the surface of the mounting platform is provided with a rectangular mounting groove 1, and the input keyboard, USB jack, earphone jack and microphone are all located at the bottom of the inner cavity of the rectangular mounting groove 1, and the rectangular mounting groove 1 and the rectangular mounting groove The two are equal in size and connected, and a bar-shaped slide rail is provided at the middle of the sides of the rectangular installation groove 1 and the rectangular installation groove 2, and a rectangular sliding cover is installed on the surface of the strip-shaped slide rail.

Preferably, limit blocks are provided on both side edges of the display housing, and the display housing is rotated to make seamless contact between the limit blocks and the bar-shaped slide rails.

Preferably, drawers are provided on the side of the installation platform.

Preferably, grooves are provided on the surface of the display housing.

Compared with the prior art, the beneficial effect of the utility model is that the alphabet pronunciation device for foreign language learning can read and connect external voice data through the USB jack, so the learning content is rich, and the interest in learning is increased, and it is displayed on the display. , and can choose to use the speaker to broadcast or listen to the earphone according to the needs of the students, the operation is simple and convenient. The inner cavity of the installation platform is equipped with a voltage stabilizer, which can stabilize the input voltage and ensure the normal operation of the equipment, and can search for the required content through the input keyboard, and the set drawer can place the supplies of the learners.

Description of drawings

Fig. 1 is a schematic diagram of the main structure of the utility model;

Fig. 2 is a schematic diagram of the main structure of the connection between the connecting rod and the rectangular mounting groove of the present invention;

Fig. 3 is a schematic diagram of the main structure of the display of the utility model when it is opened;

Fig. 4 is a schematic diagram of the main structure of the utility model when the rectangular sliding cover is opened;

Fig. 5 is a schematic diagram of the main structure of the inner cavity of the installation platform of the present invention.

In the figure: 1. Mounting table, 2. Groove, 3. Bracket, 4. Display shell, 5. Rectangular mounting slot 1, 6. Drawer, 7. Rectangular mounting slot 2, 8. Connecting rod, 9. Limiting block , 10. Display, 11. Bar slide rail, 12. Rectangular sliding cover, 13. Input keyboard, 14. USB jack, 15. Headphone jack, 16. Microcontroller, 17. Regulator, 18. Speaker, 19 ,microphone.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1-5, the utility model provides a kind of technical scheme: a kind of letter pronunciation device for foreign language learning, comprises installation table 1 and support 3, and the bottom four corners of installation table 1 are all provided with support 3, and the side of installation table 1 A drawer 6 is provided, and the drawer 6 can place learners' supplies. The surface of the mounting table 1 is provided with a rectangular mounting groove 2 7, and the inner cavity of the mounting groove 2 7 is fixedly provided with a connecting rod 8, and the connecting rod 8 is rotatably connected to the display housing 4, and the display housing 4 can surround the connecting rod 8 by 180 degrees. By rotating, the angle of the display 10 can be adjusted according to the needs of the user.

The surface of display housing 4 is provided with display 10 and loudspeaker 18, and the inner cavity of mounting table 1 is provided with single-chip microcomputer 16 and voltage stabilizer 17, and voltage stabilizer 17 is electrically connected display 10, loudspeaker 18 and power supply plug respectively, and single-chip microcomputer 16 is electrically connected respectively. Connect voltage regulator 17, display 10, USB jack 14, input keyboard 13 and earphone jack 15, single-chip microcomputer 16 is electrically connected speaker 18 through amplifying circuit, and single-chip microcomputer 16 is electrically connected microphone 19 through filter and amplifying circuit successively. Voltage stabilizer 17 stabilizes the voltage that enters, guarantees the stable operation of this device, and microphone 19 can be rotatably put into the inner chamber of rectangular mounting groove-5.

Both side edges of the display case 4 are provided with limit blocks 9, and the display case 4 is rotated so that the limit blocks 9 and the bar slide rails 11 are in seamless contact, and the surface of the display case 4 is provided with slots 2 and 2 It is convenient for people to lift the display case 4 .

The surface of the mounting table 1 is provided with a rectangular mounting groove one 5, and the input keyboard 13, the USB jack 14 and the earphone jack 15 are all located at the inner cavity bottom of the rectangular mounting groove one 5, and the rectangular mounting groove one 5 and the rectangular mounting groove two 7 The size is equal and connected, and the middle part of the side of the rectangular installation groove one 5 and the rectangular installation groove two 7 is provided with a bar-shaped slide rail 11, and the surface of the bar-shaped slide rail 11 is equipped with a rectangular sliding cover 12. The rectangular sliding cover 12 can slide parallel on the surface of the bar slide rail 11. During use, the display housing 4 is opened, and the bar slide rail 11 is moved to the top of the rectangular mounting groove 2 7, and the input keyboard 13, USB jack 14 and the earphone jack 15 are exposed, and the display housing 4 and the rectangular sliding cover 12 are covered, and the surface of the mounting table 1 is a plane at this moment.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A foreign language learning letter pronunciation device, comprising a mounting platform (1) and a support (3), the four corners of the bottom of the mounting platform (1) are equipped with supports (3), characterized in that: the mounting platform ( The surface of 1) is provided with a rectangular installation groove 2 (7), and the inner cavity of the installation groove 2 (7) is fixed with a connecting rod (8), and the connecting rod (8) is rotatably connected to the display housing (4), and A display (10) and a horn (18) are provided on the surface of the display housing (4), and a single-chip microcomputer (16) and a voltage regulator (17) are provided in the inner cavity of the installation table (1), and the voltage regulator ( 17) Electrically connect the display (10), the speaker (18) and the power plug respectively, and the single-chip microcomputer (16) is respectively electrically connected to the voltage stabilizer (17), the display (10), the USB jack (14), the input keyboard (13 ) and an earphone jack (15), the single-chip microcomputer (16) is electrically connected to the speaker (18) through an amplifying circuit, and the single-chip microcomputer (16) is electrically connected to the microphone (19) through a filter and an amplifying circuit in turn. 2. A device for pronouncing letters for foreign language learning according to claim 1, characterized in that: the surface of the installation platform (1) is provided with a rectangular installation groove one (5), and the input keyboard (13), USB plug The hole (14), the earphone jack (15) and the microphone (19) are all located at the bottom of the inner cavity of the first rectangular installation slot (5), and the first rectangular installation slot (5) and the second rectangular installation slot (7) are equal in size and connected, and a strip slide rail (11) is provided in the middle of the sides of the rectangular installation groove one (5) and the rectangular installation groove two (7), and the surface of the strip slide rail (11) is installed with a rectangular sliding cover ( 12). 3. A device for pronouncing letters for foreign language learning according to claim 1 or 2, characterized in that: limit blocks (9) are provided on both sides of the display housing (4), and the rotating display housing (4) ) to make seamless contact between the limit block (9) and the bar slide rail (11). 4. The alphabet pronunciation device for foreign language learning according to claim 1, characterized in that: a drawer (6) is provided on the side of the installation platform (1). 5 . The alphabet pronunciation device for foreign language learning according to claim 1 , characterized in that: the surface of the display housing ( 4 ) is provided with a groove ( 2 ).