CN205334380U

CN205334380U - Blind person's keyboard with speech recognition

Info

Publication number: CN205334380U
Application number: CN201620053985.9U
Authority: CN
Inventors: 康国栋
Original assignee: Jishou University
Current assignee: Jishou University
Priority date: 2016-01-18
Filing date: 2016-01-18
Publication date: 2016-06-22
Anticipated expiration: 2026-01-18

Abstract

The utility model discloses a blind person's keyboard with speech recognition, which comprises a housin, fixed mounting has control circuit board in the inner chamber of casing, control circuit board last integrated have MCU, DA converter, AD converter, encoder and storage device, storage device stores there is the code value, blur comparison system and pronunciation alphabetic coding, the inner chamber upper end fixed mounting of casing has the megaphone, the inner chamber fixed mounting of casing has the microphone, the upper surface of casing is equipped with the button, the upper surface of button is equipped with six cavitys, and the grafting has the braille member in the cavity. The utility model discloses a blind person's pronunciation are included to the microphone, through the comparing the processing and can extract the efficient encoding of control circuit board, carry out the feedback in the sense of hearing to the user through the megaphone, can hold the effective encoding transmission who extracts for PC when correct, realize blind person's pronunciation and input.

Description

A kind of keyboard for blind person with speech recognition

Technical field

This utility model relates to computer fittings technical field, is specially a kind of keyboard for blind person with speech recognition。

Background technology

Keyboard is the most frequently used is also topmost input equipment, can be input in computer by English alphabet, numeral, punctuation mark etc. by keyboard, thus sending order, input data etc. to computer。

Such blind person occurs in that at present a kind of for the keyboard used with blind person on the market, but only letter corresponding for button is engraved on button, although can use, but appoint the problem so having input error, and input cumbersome, for this, it is proposed to a kind of keyboard for blind person with speech recognition。

Utility model content

The purpose of this utility model is in that to provide a kind of keyboard for blind person with speech recognition, with the problem solving to propose in above-mentioned background technology。

For achieving the above object, this utility model provides following technical scheme: a kind of keyboard for blind person with speech recognition, including housing, the inner chamber of described housing is installed with control circuit plate, described control circuit plate is integrated with MCU, D/A converter, A/D converter, encoder and storage device, and D/A converter, A/D converter, encoder and storage device all electrically connect with MCU, described MCU is also electrically connected with USB interface, described storage device stores encoded radio, fuzzy contrast system and phonetic letter coding, the inner chamber upper end of described housing is installed with microphone, and microphone is electrically connected with D/A converter by electric conductor, the inner chamber of described housing is installed with mike, and mike is electrically connected with A/D converter by electric conductor, the upper surface of described housing is provided with button, and button is electrically connected with encoder by independent signal line, the upper surface of described button is provided with six cavitys, and six cavitys are the matrix distribution that three rows two arrange, braille component it is plugged with in described cavity；

Described braille component includes the first braille component and the second braille component, the sidewall sheath of described first braille component is connected to the first rubber ring, the upper end of described first braille component is provided with convex body, and the upper surface of convex body is closely fitted with the first soft material layer, the sidewall sheath of described second braille component is connected to the second rubber ring, the upper end of described second braille component is provided with cell body, and the upper surface of cell body is closely fitted with the second soft material layer。

Preferably, what the upper surface of described housing was positioned at microphone is arranged over Air Filter。

Preferably, described mike is through housing, and mike extends to hull outside。

Compared with prior art, the beneficial effects of the utility model are: this utility model can include the voice of blind person by mike, processed by the comparison of control circuit plate and can extract efficient coding, feedback acoustically is carried out to user by microphone, when correct, the efficient coding of extraction can be transferred to computer, realizing blind person's voice typing, the upper surface of button is provided with the braille letters being made up of braille component simultaneously, further facilitates blind person and uses keyboard。

Accompanying drawing explanation

Fig. 1 is plan structure schematic diagram of the present utility model；

Fig. 2 is the structural representation of this utility model button；

Fig. 3 is a place structural representation of Fig. 2；

Fig. 4 is circuit block diagram of the present utility model。

In figure: 1 housing, 2 control circuit plates, 3 microphones, 4 mikes, 5 buttons, 51 cavitys, 6 braille components, 61 first braille components, 611 first rubber rings, 612 convex bodys, 613 first soft material layers, 62 second braille components, 621 second rubber rings, 622 cell bodies and 623 second soft material layers。

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。

Refer to Fig. 1-4, this utility model provides a kind of technical scheme: a kind of keyboard for blind person with speech recognition, including housing 1, the inner chamber of described housing 1 is installed with control circuit plate 2, described control circuit plate 2 is integrated with MCU, D/A converter, A/D converter, encoder and storage device, and D/A converter, A/D converter, encoder and storage device all electrically connect with MCU, described MCU is also electrically connected with USB interface, described storage device stores encoded radio, fuzzy contrast system and phonetic letter coding, the inner chamber upper end of described housing 1 is installed with microphone 3, and microphone 3 is electrically connected with D/A converter by electric conductor, the inner chamber of described housing 1 is installed with mike 4, and mike 4 is electrically connected with A/D converter by electric conductor, the upper surface of described housing 1 is provided with button 5, and button 5 is electrically connected with encoder by independent signal line, the upper surface of described button 5 is provided with six cavitys 51, and the matrix distribution that six cavitys 51 arrange in three rows two, it is plugged with braille component 6 in described cavity 51, the voice of blind person can be included by mike 4, processed by the comparison of control circuit plate 2 and can extract efficient coding, feedback acoustically is carried out to user by microphone 3, when correct, the efficient coding of extraction can be transferred to computer, realize blind person's voice typing；

Described braille component 6 includes the first braille component 61 and the second braille component 62, the sidewall sheath of described first braille component 61 is connected to the first rubber ring 611, the upper end of described first braille component 61 is provided with convex body 612, and the upper surface of convex body 612 is closely fitted with the first soft material layer 613, the sidewall sheath of described second braille component 62 is connected to the second rubber ring 621, the upper end of described second braille component 62 is provided with cell body 622, and the upper surface of cell body 622 is closely fitted with the second soft material layer 623, blind person can carry out the identification in sense of touch by the braille on button 5, the button 5 of this module is convenient for changing after damaging simultaneously。

Specifically, the upper surface of described housing 1 is positioned at the Air Filter that is arranged over of microphone 3, and protection microphone 3 increases the service life。

Specifically, described mike 4 is through housing 1, and mike 4 extends to housing 1 outside, thus improving the radio reception effect of mike 4。

During use, blind person can be identified typewriting by the braille on button 5, microphone 3 sends corresponding letter pronunciation simultaneously, blind person can be made to judge whether, and input is correct, mike 4 can also be passed through during use and include the voice messaging of blind person, then microphone 3 sends corresponding letter pronunciation, input is correct to make blind person judge whether, if correctly transmitting it to PC end, namely completes input。

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, being appreciated that when without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, amendment, replacement and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof。

Claims

1. a keyboard for blind person with speech recognition, including housing (1), it is characterized in that: the inner chamber of described housing (1) is installed with control circuit plate (2), described control circuit plate (2) is integrated with MCU, D/A converter, A/D converter, encoder and storage device, and D/A converter, A/D converter, encoder and storage device all electrically connect with MCU, described MCU is also electrically connected with USB interface, described storage device stores encoded radio, fuzzy contrast system and phonetic letter coding, the inner chamber upper end of described housing (1) is installed with microphone (3), and microphone (3) is electrically connected with D/A converter by electric conductor, the inner chamber of described housing (1) is installed with mike (4), and mike (4) is electrically connected with A/D converter by electric conductor, the upper surface of described housing (1) is provided with button (5), and button (5) is electrically connected with encoder by independent signal line, the upper surface of described button (5) is provided with six cavitys (51), and six cavitys (51) are in three matrix distribution arranging two row, braille component (6) it is plugged with in described cavity (51)；

Described braille component (6) includes the first braille component (61) and the second braille component (62), the sidewall sheath of described first braille component (61) is connected to the first rubber ring (611), the upper end of described first braille component (61) is provided with convex body (612), and the upper surface of convex body (612) is closely fitted with the first soft material layer (613), the sidewall sheath of described second braille component (62) is connected to the second rubber ring (621), the upper end of described second braille component (62) is provided with cell body (622), and the upper surface of cell body (622) is closely fitted with the second soft material layer (623)。

2. a kind of keyboard for blind person with speech recognition according to claim 1, it is characterised in that: what the upper surface of described housing (1) was positioned at microphone (3) is arranged over Air Filter。

3. a kind of keyboard for blind person with speech recognition according to claim 1, it is characterised in that: described mike (4) is through housing (1), and mike (4) extends to housing (1) outside。