CN219590959U - English listening comprehension teaching presentation device - Google Patents
English listening comprehension teaching presentation device Download PDFInfo
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- CN219590959U CN219590959U CN202320160714.3U CN202320160714U CN219590959U CN 219590959 U CN219590959 U CN 219590959U CN 202320160714 U CN202320160714 U CN 202320160714U CN 219590959 U CN219590959 U CN 219590959U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model relates to the technical field of English teaching, in particular to an English listening comprehension teaching demonstration device. The device comprises a base, a display device, a swinging device and a storage device, wherein the display device comprises a display screen, a shading piece and a selection piece. English listening teaching contents are compiled in advance, and key contents are set to be preset colors. The transparent part of the shading sheet is opposite to the display screen through the first rolling structure, and the hearing teaching content of the display screen is not displayed at the moment. After hearing recording is finished, the polarized light part of the shading sheet is opposite to the display screen through the first rolling structure, so that hearing teaching contents are displayed, and students can compare the hearing teaching contents. And then, when the key content is pertinently exercised, the second rolling structure drives the selection sheet to face the display screen so as to filter the key content, thereby facilitating students to carry out the shape exercise of the key content, realizing the selective display of the learning content aiming at different teaching stages and improving the learning effect of the hearing teaching.
Description
Technical Field
The utility model relates to the technical field of English teaching, in particular to an English listening comprehension teaching demonstration device.
Background
According to the statistics of the professor Luo Rankine of the United states protection, "listen" accounts for 45% of the daily language activities of people, "talk" accounts for 30%, read "accounts for 16%, and write" accounts for 9%, thus the importance of "listen" in language communication is seen; the american university of famous successes, blatttransmission, mentions in its classical work 21 secrettsofself-madeMillionaire that learning through audible materials is a revolution of the twenty-first century learning method, "hearing" a large visible spot of information acquisition in humans. Therefore, learning English not only learns its grammar, but also learns to communicate with spoken language, and before learning spoken language, the English listening ability first needs to understand what others speak, so English listening ability occupies an important position in learning English, and English is an indispensable language in the society today, so English listening ability is developed specially by schools to help students learn English. In order to help students quickly grasp hearing, hearing demonstration devices are often used in hearing education.
Among the prior art, if the bulletin number is CN214587401U, the name is a Chinese patent of hearing teaching presentation device for english teaching, public technical scheme is including holding the case, hold the case and include the box, the lift threaded rod is all installed at both ends about the inboard of box, servo motor with the output direction up is installed to the inboard bottom of box, servo motor's output port coaxial fixed with upper and lower two action wheels, the top of action wheel is provided with the backup pad, the both sides of backup pad all are fixed with threaded sleeve, the upper surface of backup pad is fixed with sealed sliding sleeve, sealed sliding sleeve's inboard sliding connection has the telescopic link, sealed sliding sleeve's outside is extended to the one end and is fixed connection has the fixed plate through fastening adjustment structure, have realized watching height and angle regulation, but in the exercise at ordinary times, most students all can listen the same meaning repeatedly, often relatively tension when listening first time, the information of acquisition is also very little, take more listening several times just can get into the state. Therefore, a teacher can set different targets and tasks during each hearing exercise to help students train step by step. In the teaching process, the learning content can only be displayed on the display screen, and selective display of the learning content can not be performed according to different teaching stages, so that the hearing teaching effect is not ideal.
Disclosure of Invention
The utility model provides an English listening teaching demonstration device for solving the problems.
The utility model adopts the following technical scheme: an English listening teaching demonstration device comprises a base, a display device, a swinging device and a storage device;
the display device comprises a display screen, a shading piece and a selecting piece; the display screen is vertically arranged and is rotatably arranged on the base through the rotating shaft; the display screen is a screen without a polarizing film; the display screen is connected with the computer host through a data line;
the shading piece comprises a first rolling structure and a shading piece; the shading sheet is a flexible sheet and is arranged on the front side of the display screen in a sliding manner; the shading sheet comprises a transparent part and a polarized light part; one end of the transparent part is fixedly connected with one end of the polarizing part; the first winding structures are arranged on two sides of the display screen and used for enabling the transparent part and the polarized light part of the shading sheet to coincide with the display screen according to the requirement during hearing education;
the selecting piece comprises a second rolling structure and a selecting piece; the selection sheet is arranged on the front side of the shading sheet in a sliding manner; the selection sheet is a transparent sheet with preset color; the second winding structure is arranged below the display screen and is used for selectively displaying required contents when key teaching steps in hearing teaching are carried out;
the swinging device is configured to drive the display device to reciprocally rotate along a preset angle;
the storage device is configured to store when not in use, and prevent dust falling.
Further, the first winding structure comprises two first winding rollers, a shading motor and a transmission shaft; the two first wind-up rolls are distributed on two sides of the display screen; the first winding rollers are rotatably arranged on two sides of the display screen; two ends of the shading sheet are fixedly connected to the first winding roller; the shading motor is fixedly arranged at the rear side of the display screen; the transmission shaft is rotatably arranged at the upper end of the display screen and is meshed with the output shaft of the shading motor through a gear; the transmission shaft and the first winding roller are in belt transmission.
Further, the second winding structure comprises a second winding roller, a traction rod and a selection motor; the second wind-up roll is rotatably arranged at the lower end of the display screen through the rotating seat; a nest spring is connected between the rotating seat and the second winding roller; the second wind-up roll is fixedly connected with the lower end of the selection sheet; the two traction rods are symmetrically arranged on two sides of the display screen; the traction rods are rotatably arranged on two sides of the display screen; the traction rod is sleeved with a traction block; the traction block is in threaded fit with the traction rod; a cross rod is fixedly connected between the two traction blocks; the cross rod is fixedly connected with the upper end of the selection piece; the selection motor is fixedly arranged at the upper end of the display screen; the output end of the selection motor is fixedly connected with the traction rod.
Further, the swinging device comprises a swinging motor and a swinging rod; the swing motor is fixedly arranged on the base; one end of the swing rod is fixedly connected to the rotating shaft, and the other end of the swing rod is provided with a pull rod; one end of the pull rod is rotatably arranged on the swing rod, and the other end of the pull rod is provided with a rotating rod; one end of the rotating rod is fixedly arranged on the output shaft of the swing motor, and the other end of the rotating rod is rotatably arranged on the pull rod.
Further, the storage device comprises a storage box; the base is slidably mounted in the storage box.
Further, a plurality of limiting holes are vertically distributed on the storage box; a limiting rod is slidably arranged in the limiting hole.
Further, sound boxes are installed on two sides of the storage box.
Further, a box cover is rotatably arranged on the storage box.
The beneficial effects of the utility model are as follows: when English listening teaching is performed, english listening teaching contents are written in advance, and key contents are set to be preset colors. Then, the contact content is input through the computer host and projected to the display screen. The transparent part of the shading sheet is opposite to the display screen through the first rolling structure, and the hearing teaching content of the display screen is not displayed at the moment due to the fact that the display screen lacks a polarizing film. After the students listen to the hearing record, the polarized light part of the shading sheet is opposite to the display screen through the first rolling structure, so that the hearing teaching content is displayed, and the students can conduct comparison. And then, when the key content is pertinently exercised, the second rolling structure drives the selection sheet to face the display screen so as to filter the key content, thereby facilitating students to carry out the shape exercise of the key content, realizing the selective display of the learning content aiming at different teaching stages and improving the learning effect of the hearing teaching.
Further, the swing motor is started to drive the rotating rod to rotate, and the rotating rod drives the swing rod to rotate along a preset angle through the pull rod, so that the display screen swings according to a preset frequency, and students can see the English listening characters more clearly when the English listening characters are compared.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of an english listening teaching demonstration device of the utility model;
FIG. 2 is a side view of an embodiment of the present utility model;
FIG. 3 is a front view of an embodiment of the present utility model;
FIG. 4 is a rear view of an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of an embodiment of the present utility model;
fig. 6 is another angular cross-sectional view of an embodiment of the present utility model.
In the figure: 100. a base; 110. a sound box; 210. a display screen; 220. a rotating shaft; 221. a light shielding sheet; 222. a first wind-up roll; 223. a shading motor; 224. a transmission shaft; 231. selecting a sheet; 232. a second wind-up roll; 233. a traction rod; 234. a traction block; 235. selecting a motor; 310. a swing motor; 320. swing rod; 330. a rotating rod; 340. a pull rod; 410. a storage box; 420. a case cover; 430. a limiting hole; 440. and a limit rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment of an english hearing teaching demonstration device of the utility model is shown in fig. 1 to 6: an English listening teaching demonstration device comprises a base 100, a display device, a swinging device and a storage device;
the display device includes a display screen 210, a light shielding member, and a selection member; the display screen 210 is vertically arranged and rotatably installed on the base 100 through the rotating shaft 220; the display screen 210 is a screen without a polarizing film; the display screen 210 is connected with the computer host through a data line;
the light shielding member includes a first winding structure, a light shielding sheet 221; the light shielding sheet 221 is a flexible sheet and is slidably disposed on the front side of the display screen 210; the light shielding sheet 221 includes a transparent portion and a polarizing portion; one end of the transparent part is fixedly connected with one end of the polarizing part; the first winding structures are arranged at two sides of the display screen 210, and are used for enabling the transparent part and the polarized part of the light shielding sheet 221 to overlap the display screen 210 according to the requirement during audiology;
the selection member comprises a second winding structure and a selection sheet 231; the selection piece 231 is slidably provided on the front side of the light shielding piece 221; the selection sheet 231 is a transparent sheet having a predetermined color; the second winding structure is arranged below the display screen 210, and is used for selectively displaying required contents when performing key teaching steps in hearing teaching;
the swinging device is configured to drive the display device to reciprocally rotate along a preset angle;
the storage device is configured to store when not in use, and prevent dust falling. When English listening teaching is performed, english listening teaching contents are written in advance, and key contents are set to be preset colors. The contact content is then entered through the host computer and projected onto the display screen 210. The transparent portion of the light shielding sheet 221 is opposite to the display screen 210 through the first winding structure, and the hearing teaching content of the display screen 210 is not displayed at this time due to the lack of the polarizing film of the display screen 210. After the students listen to the hearing record, the polarized light part of the light shielding sheet 221 is opposite to the display screen 210 through the first rolling structure, so that the hearing teaching content is displayed, and the students can conduct comparison. Then, when the targeted practice of the key content is performed, the second winding structure drives the selection sheet 231 to face the display screen 210, so that the key content is filtered, the students can perform the complete practice of the key content conveniently, the selective display of the learning content for different teaching stages is realized, and the learning effect of the hearing teaching is improved.
In this embodiment, the first winding structure includes two first winding rollers 222, a shading motor 223, and a transmission shaft 224; two first wind-up rollers 222 are distributed on two sides of the display screen 210; the first wind-up roller 222 is rotatably installed at both sides of the display screen 210; the two ends of the shading sheet 221 are fixedly connected to the first wind-up roller 222; the shading motor 223 is fixedly installed at the rear side of the display screen 210; the transmission shaft 224 is rotatably arranged at the upper end of the display screen 210 and is meshed with the output shaft of the shading motor 223 through a gear; the transmission shaft 224 and the first winding roller 222 are driven by a belt. In use, the shading motor 223 is started to drive the first wind-up roller 222 to rotate, so that the shading sheet 221 slides on the display screen 210.
In this embodiment, the second winding structure includes a second winding roller 232, a traction rod 233, and a selection motor 235; the second wind-up roller 232 is rotatably installed at the lower end of the display screen 210 through a rotating seat; a nest spring is connected between the rotating seat and the second winding roller 232; the second wind-up roller 232 is fixedly connected with the lower end of the selection sheet 231; the two traction rods 233 are symmetrically arranged at two sides of the display screen 210; the traction rods 233 are rotatably installed at both sides of the display screen 210; the traction rod 233 is sleeved with a traction block 234; the traction block 234 and the traction rod 233 are in threaded fit; a cross bar is fixedly connected between the two traction blocks 234; the cross bar is fixedly connected with the upper end of the selection piece 231; the selection motor 235 is fixedly arranged at the upper end of the display screen 210; the output end of the selection motor 235 is fixedly connected with the traction rod 233. In use, the selection motor 235 is started to drive the traction rod 233 to rotate, so that the traction block 234 moves on the traction rod 233, and the second wind-up roller 232 rotates against the spring force of the nest spring to pull the selection piece 231 to move upwards to face the display screen 210.
In this embodiment, the swing device includes a swing motor 310 and a swing lever 320; the swing motor 310 is fixedly installed on the base 100; one end of the swing rod 320 is fixedly connected to the rotating shaft 220, and the other end is provided with a pull rod 340; one end of a pull rod 340 is rotatably arranged on the swing rod 320, and the other end is provided with a rotating rod 330; the bull stick 330 one end fixed mounting is on rocking motor 310 output shaft, and the other end rotates and installs on pull rod 340, and during the use, starts rocking motor 310, and drive bull stick 330 rotates, and bull stick 330 passes through pull rod 340 drive pendulum rod 320 and rotates along preset angle to make display screen 210 rock according to preset frequency, make the student see more clearly when contrast english hearing characters part.
In the present embodiment, the storage device includes a storage box 410; the base 100 is slidably mounted in the storage box 410, and when not in use, the display screen 210 is stored in the storage box 410, so as to avoid dust accumulation.
In this embodiment, the storage box 410 is provided with a plurality of vertically distributed limiting holes 430; a limit rod 440 is slidably installed in the limit hole 430 to adjust the height of the base 100 in the storage box 410, thereby realizing the adjustment of the height of the display screen 210.
In the present embodiment, the sound boxes 110 are installed on two sides of the storage box 410 to play the english listening audio.
In this embodiment, a cover 420 is rotatably mounted on the storage box 410, so that the equipment can be stored and moved.
In combination with the above embodiment, the use principle and working process of the present utility model are as follows: when English listening teaching is performed, english listening teaching contents are written in advance, and key contents are set to be preset colors. The contact content is then entered through the host computer and projected onto the display screen 210. The shading motor 223 is started to drive the first wind-up roller 222 to rotate, so that the shading sheet 221 slides on the display screen 210, the transparent part of the shading sheet 221 faces the display screen 210, and the hearing teaching content of the display screen 210 is not displayed at this time due to the lack of a polarizing film on the display screen 210. After the students listen to the hearing record, the polarized light part of the light shielding sheet 221 is opposite to the display screen 210 through the first rolling structure, so that the hearing teaching content is displayed, and the students can conduct comparison. Then, when the targeted practice of the key content is performed, the selection motor 235 is started to drive the traction rod 233 to rotate, so that the traction block 234 moves on the traction rod 233, and the second winding roller 232 rotates against the elasticity of the nest spring to pull the selection piece 231 upwards, so that the selection piece 231 faces the display screen 210 to filter the key content, the students can perform the shaping practice of the key content conveniently, selective display of learning content for different teaching stages is realized, and the learning effect of hearing teaching is improved.
Further, the swing motor 310 is started to drive the rotating rod 330 to rotate, and the rotating rod 330 drives the swing rod 320 to rotate along a preset angle through the pull rod 340, so that the display screen 210 swings according to a preset frequency, and students can see clearly when comparing English listening characters.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. English listening comprehension teaching presentation device, its characterized in that: comprises a base (100), a display device, a swinging device and a containing device;
the display device comprises a display screen (210), a shading piece and a selecting piece; the display screen (210) is vertically arranged and rotatably arranged on the base (100) through the rotating shaft (220); the display screen (210) is a screen without a polarizing film; the display screen (210) is connected with the computer host through a data line;
the shading piece comprises a first rolling structure and a shading piece (221); the shading sheet (221) is a flexible sheet and is arranged on the front side of the display screen (210) in a sliding manner; the light shielding sheet (221) comprises a transparent part and a polarized part; one end of the transparent part is fixedly connected with one end of the polarizing part; the first winding structures are arranged on two sides of the display screen (210) and are used for enabling the transparent part and the polarized light part of the shading sheet (221) to overlap the display screen (210) according to the requirement during audiology;
the selecting piece comprises a second winding structure and a selecting piece (231); the selection sheet (231) is arranged on the front side of the shading sheet (221) in a sliding manner; the selection sheet (231) is a transparent sheet with a preset color; the second winding structure is arranged below the display screen (210) and is used for selectively displaying required contents when key teaching steps in hearing teaching are carried out;
the swinging device is configured to drive the display device to reciprocally rotate along a preset angle;
the storage device is configured to store when not in use, and prevent dust falling.
2. The english hearing teaching demonstration device according to claim 1, wherein: the first winding structure comprises two first winding rollers (222), a shading motor (223) and a transmission shaft (224); the two first winding rollers (222) are distributed on two sides of the display screen (210); the first wind-up roller (222) is rotatably arranged at two sides of the display screen (210); two ends of the shading sheet (221) are fixedly connected to the first winding roller (222); the shading motor (223) is fixedly arranged at the rear side of the display screen (210); the transmission shaft (224) is rotatably arranged at the upper end of the display screen (210) and is meshed with an output shaft of the shading motor (223) through a gear; the transmission shaft (224) and the first winding roller (222) are driven by a belt.
3. The english hearing teaching demonstration device according to claim 2, wherein: the second winding structure comprises a second winding roller (232), a traction rod (233) and a selection motor (235); the second wind-up roll (232) is rotatably arranged at the lower end of the display screen (210) through a rotating seat; a nest spring is connected between the rotating seat and the second winding roller (232); the second wind-up roller (232) is fixedly connected with the lower end of the selection sheet (231); the two traction rods (233) are symmetrically arranged at two sides of the display screen (210); the traction rods (233) are rotatably arranged on two sides of the display screen (210); a traction block (234) is sleeved on the traction rod (233); the traction block (234) is in threaded fit with the traction rod (233); a cross rod is fixedly connected between the two traction blocks (234); the cross rod is fixedly connected with the upper end of the selection piece (231); the selection motor (235) is fixedly arranged at the upper end of the display screen (210); the output end of the selection motor (235) is fixedly connected with the traction rod (233).
4. The english hearing teaching demonstration device according to claim 1, wherein: the swinging device comprises a swinging motor (310) and a swinging rod (320); the swing motor (310) is fixedly arranged on the base (100); one end of the swing rod (320) is fixedly connected to the rotating shaft (220), and the other end of the swing rod is provided with a pull rod (340); one end of a pull rod (340) is rotatably arranged on the swing rod (320), and the other end of the pull rod is provided with a rotating rod (330); one end of the rotating rod (330) is fixedly arranged on the output shaft of the swinging motor (310), and the other end is rotatably arranged on the pull rod (340).
5. The english hearing teaching demonstration device according to claim 1, wherein: the storage device comprises a storage box (410); the base (100) is slidably mounted within the storage box (410).
6. The english hearing teaching demonstration device according to claim 5, wherein: a plurality of limit holes (430) are vertically distributed on the storage box (410); and a limit rod (440) is slidably arranged in the limit hole (430).
7. The english hearing teaching demonstration device according to claim 5, wherein: the sound boxes (110) are arranged on two sides of the storage box (410).
8. The english hearing teaching demonstration device according to claim 7, wherein: a box cover (420) is rotatably arranged on the storage box (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320160714.3U CN219590959U (en) | 2023-02-02 | 2023-02-02 | English listening comprehension teaching presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320160714.3U CN219590959U (en) | 2023-02-02 | 2023-02-02 | English listening comprehension teaching presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219590959U true CN219590959U (en) | 2023-08-25 |
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ID=87686540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320160714.3U Active CN219590959U (en) | 2023-02-02 | 2023-02-02 | English listening comprehension teaching presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219590959U (en) |
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2023
- 2023-02-02 CN CN202320160714.3U patent/CN219590959U/en active Active
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