CN2256128Y - Electronic demonstration board for teaching Chinese phonetic alphabets - Google Patents
Electronic demonstration board for teaching Chinese phonetic alphabets Download PDFInfo
- Publication number
- CN2256128Y CN2256128Y CN 96231729 CN96231729U CN2256128Y CN 2256128 Y CN2256128 Y CN 2256128Y CN 96231729 CN96231729 CN 96231729 CN 96231729 U CN96231729 U CN 96231729U CN 2256128 Y CN2256128 Y CN 2256128Y
- Authority
- CN
- China
- Prior art keywords
- chinese phonetic
- phonetic alphabet
- panel
- control circuit
- teaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000875 corresponding Effects 0.000 claims abstract description 4
- 239000010409 thin film Substances 0.000 claims description 10
- 210000003660 Reticulum Anatomy 0.000 claims description 5
- 239000012528 membrane Substances 0.000 abstract 2
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Abstract
The utility model discloses an electronic demonstration board for teaching Chinese phonetic alphabets, which used for the classroom teaching. The utility model is composed of a panel, a back cover, a loudspeaker, a DC power supply, an integrated speech sound control circuit and a membrane switch. Contact points of the membrane switch are corresponding to speech sound symbols of the Chinese phonetic alphabets arranged on the panel one by one and are respectively connected with the integrated speech sound control circuit. The utility model realizes the electronization of the classroom teaching of the Chinese phonetic alphabets and the utility model which has the advantages of clear and loud speech sound, visual and vivid demonstration form, simple and convenient operation facilitates students' learning and the improvement of learning interest.
Description
The utility model relates to a kind of teaching aid, particularly a kind ofly is used for the Chinese phonetic alphabet electronic teaching board that the classroom open teaching is used.
In recent years, existing both at home and abroad various electronic sound reading matters or toy occurred.But do not see as yet as the electronics teaching aid that teaching on the classroom is used.Teaching of Chinese pin yin is personally instructed by the teacher now as an important content of primary school, kindergarten teaching, lacks lively, interesting educational aid and cooperates, and influences teaching effect to a certain extent.
The purpose of this utility model is to provide a kind of Chinese phonetic alphabet electronic teaching board that lamprophonia is accurate, form is lively, easy to use for the use of classroom open teaching.
Technical solution of the present utility model is: a kind of Chinese phonetic alphabet electronic teaching board, comprise panel, bonnet, it is characterized in that, be provided with base plate in the gap between panel and bonnet, be provided with loudspeaker, direct supply, integrated speech control circuit and thin film switch on base plate, the trigger point of this thin film switch is connected with the integrated speech control circuit respectively.
Principle of the present utility model is: utilize and trigger the electric signal that thin film switch produced, make the integrated speech control circuit produce the corresponding Chinese phonetic alphabet, send through loudspeaker, make the student just can hear Chinese phonetic alphabet voice accurately by teacher's a simple motion.
The utility model compared with prior art, its remarkable advantage is: sound circuit and teaching of Chinese pin yin are interrelated, realized Chinese phonetic alphabet classroom instruction; Adopt the integrated speech control circuit chip of design voluntarily, lamprophonia, tone is accurate, is convenient to children and accurately grasps pronunciation; The teaching aid reasonable in design, thin film switch reliability height, sturdy and durable; Power of loudspeaker is big, at 40～60m
2The classroom in use, respond well.
Fig. 1 is the structural representation of Chinese phonetic alphabet electronic teaching board of the present utility model.
Fig. 2 is the electrical block diagram of Chinese phonetic alphabet electronic teaching board of the present utility model.
Below in conjunction with accompanying drawing the utility model is further described.
In conjunction with Fig. 1, Fig. 2, Chinese phonetic alphabet electronic teaching board of the present utility model, by panel (1), bonnet (2), base plate (3), loudspeaker (4), direct supply, integrated speech control circuit (5), thin film switch (6) is formed, panel is provided with Chinese phonetic alphabet note, count 47, the surface of the base plate (3) of panel below is thin film switch (6), its trigger point K also is 47, corresponding one by one with the note of the Chinese phonetic alphabet, each contact of thin film switch is connected with standard MS3401 chip respectively, and by resistance R 1, R is connected with loudspeaker with triode, constitutes articulatory system.Power supply adopts the 6V direct supply to be arranged at the below of base plate (3), and loudspeaker adopts 3W8 Ω loudspeaker.Base plate (3) is designed to pullable portable plate, is convenient to installation, maintenance.
Claims (4)
1, a kind of Chinese phonetic alphabet electronic teaching board comprises panel [1], bonnet [2].It is characterized in that being provided with in the gap between panel and bonnet base plate [3], be provided with loudspeaker [4], direct supply, integrated speech control circuit [5] and thin film switch (6) on base plate [3], the contact of thin film switch is connected with the integrated speech control circuit respectively.
2, Chinese phonetic alphabet electronic teaching board according to claim 1 is characterized in that the contact of thin film switch [6] has 47, and the Chinese phonetic alphabet voice symbol on its distributing position and the panel is corresponding one by one.
3, Chinese phonetic alphabet electronic teaching board according to claim 1 and 2 is characterized in that the integrated speech control circuit adopts standard MS4301 chip.
4, Chinese phonetic alphabet electronic teaching board according to claim 1 and 2, it is characterized in that base plate [3] but be the portable plate of pull
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231729 CN2256128Y (en) | 1996-04-26 | 1996-04-26 | Electronic demonstration board for teaching Chinese phonetic alphabets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231729 CN2256128Y (en) | 1996-04-26 | 1996-04-26 | Electronic demonstration board for teaching Chinese phonetic alphabets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2256128Y true CN2256128Y (en) | 1997-06-11 |
Family
ID=33908826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96231729 Expired - Fee Related CN2256128Y (en) | 1996-04-26 | 1996-04-26 | Electronic demonstration board for teaching Chinese phonetic alphabets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2256128Y (en) |
-
1996
- 1996-04-26 CN CN 96231729 patent/CN2256128Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |