CN210119972U

CN210119972U - Piano is felt to deaf and dumb person with body

Info

Publication number: CN210119972U
Application number: CN201920687258.1U
Authority: CN
Inventors: 周佳; 曾福月; 刘家欣; 陈钰煌; 王小群; 许陵
Original assignee: Minnan Normal University
Current assignee: Minnan Normal University
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-02-28
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses a deaf-mute is with feeling piano of body, it includes piano body and wear-type body and feels vibrator, the piano body includes keyboard, coding circuit and connects the first communication module of coding circuit, each key of keyboard corresponds the coding switch of coding circuit respectively, and each coding switch corresponds a coded signal respectively; the head-wearing type somatosensory vibration device comprises a second communication module, a vibrator driving circuit and a plurality of vibrators, wherein the first communication module is wirelessly connected with the second communication module to send the coded signals, the output end of the second communication module is connected with the input end of the vibrator driving circuit, and the output end of the vibrator driving circuit is connected with the plurality of vibrators; and the vibrator driving circuit drives the vibrator to vibrate after receiving the coding signal. The utility model discloses have and send the vibrations of different frequencies according to the code signal of different keys through wear-type vibrator, make the deaf-mute can the perception music.

Description

Piano is felt to deaf and dumb person with body

Technical Field

The utility model relates to a piano is felt to deaf-mute person with body.

Background

The piano is a keyboard instrument in Western classical music, has the beauty of 'the king of the instrument', consists of 52 white keys, 36 black keys and a metal string sound board, and players can vividly play the piano with shocking and exciting soul through a pair of smart hands and a heart loving music; many people have done 'Piano dream', but for the deaf-mute, the 'Piano dream' is almost the same as 'Japanese dream'; after all, the deaf-mute can not hear any note, can not know the playing right and wrong, and can feel the cool feeling of only touching the fingers and the keys.

In order for the deaf to "hear" the music, products of bone conduction technology are available which can make the sound felt in the bones of the whole body; the products generally have the vibrations with different intensities and speeds according to the music tune change through four controllers arranged on the limbs of the deaf-mute, so that the deaf-mute can feel the existence of the music; however, the product has no participation, cannot be matched with a musical instrument, and really experiences and senses the sounding process of the musical instrument.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a piano is felt to deaf-mute's body.

The utility model provides a technical scheme that its technical problem adopted is:

a body sensing piano for deaf-mutes comprises a piano body and a head-wearing type body sensing vibration device, wherein the piano body comprises a keyboard, a coding circuit and a first communication module connected with the coding circuit, each key of the keyboard corresponds to a coding switch of the coding circuit, and each coding switch corresponds to a coding signal; the head-wearing type somatosensory vibration device comprises a second communication module, a vibrator driving circuit and a plurality of vibrators, wherein the first communication module is wirelessly connected with the second communication module to send the coded signals, the output end of the second communication module is connected with the input end of the vibrator driving circuit, and the output end of the vibrator driving circuit is connected with the plurality of vibrators; the vibrator driving circuit receives the coded signals and then drives the vibrators to vibrate, and the plurality of vibrators are in surrounding contact with the heads of users to vibrate respectively.

In another preferred embodiment, the head-wearing somatosensory vibration device comprises a hair band, and the plurality of vibrators are arranged in a loop in the inner ring of the hair band.

In another preferred embodiment, the number of the vibrators is 8, 1 vibrator is respectively arranged at the front end and the rear end of the hair band, and 3 vibrators are respectively arranged at the left end and the right end of the hair band.

In another preferred embodiment, the vibrator driving circuit includes an amplifier, the output terminal of the second communication module is connected to the input terminal of the amplifier, and the output terminal of the amplifier is connected to the plurality of vibrators.

In another preferred embodiment, the encoding circuit encodes by a 4-bit binary number.

In another preferred embodiment, the first communication module and the second communication module use bluetooth communication.

In another preferred embodiment, the vibrator adopts a low-frequency somatosensory horn.

The utility model has the advantages that:

1. the head-wearing type vibration device of the utility model can send out vibration with different frequencies according to the coding signals of the keys of different piano bodies, so that the deaf-mute can perceive music, and possibility is provided for the deaf-mute to participate in playing and composing music; meanwhile, normal people can extend from a single sense organ mode of listening to music to a mode of feeling the music by bodies, and brand new cognition of people on the music is developed.

2. The vibrator is arranged in the hair band, so that the vibrator can be in contact with the head of a user, and the vibration sensing effect of the user is improved.

3. The vibrators arranged in different areas of the hair band can correspond to different keys, so that the overall rhythm is enhanced.

4. The encoded signal is amplified by an amplifier to drive a vibrator.

5. Each tone of the piano can be encoded by a 4-bit binary number.

6. The Bluetooth communication is low in power consumption and low in cost.

7. The vibrator adopts a low-frequency somatosensory loudspeaker, the working frequency of the vibrator is 16Hz-150Hz, and partial infrasonic waves which cannot be heard by human ears and are harmless to human bodies can resonate with the human bodies through bone conduction, so that the purpose of enabling the human bodies to listen to music is achieved.

The present invention will be described in further detail with reference to the accompanying drawings and examples; but the utility model discloses a piano is felt to body for deaf-mute is not restricted to the embodiment.

Drawings

Fig. 1 is a system block diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the coding of the keyboard according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural view of a head-mounted somatosensory vibration device according to a preferred embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a piano body according to a preferred embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a head-mounted somatosensory vibration device according to a preferred embodiment of the present invention.

Detailed Description

The embodiment, as shown in fig. 1, the utility model discloses a piano is felt to deaf-mute with body includes that piano body and wear-type body sense vibrator 9, the piano body includes keyboard 60, coding circuit 10 and connects the first communication module 20 of coding circuit 10, each key of keyboard 60 corresponds the coding switch of coding circuit respectively, and each coding switch corresponds a coded signal respectively; the coding circuit 10 codes each key of the keyboard 60 to generate a coding signal; the head-wearing somatosensory vibration device 9 comprises a second communication module 30, a vibrator driving circuit 40 and a plurality of vibrators 50, wherein the first communication module 20 is wirelessly connected with the second communication module 30 to send the coded signals, the output end of the second communication module 30 is connected with the input end of the vibrator driving circuit 40, and the output end of the vibrator driving circuit 40 is connected with the plurality of vibrators 50; the vibrator driving circuit 40 receives the encoded signal and drives the vibrators 50 to vibrate, and the plurality of vibrators 50 vibrate around the head of the user.

Specifically, referring to fig. 2, the keyboard 60 is divided into 9 sound groups including 7 complete sound groups and two incomplete sound groups, and the 7 white keys with different names are a complete sound group (CDEFGAB), wherein the relatively high-pitched part is written with lower case letters, the relatively low-pitched part is written with upper case letters, in order to represent the sounds with the same names and different pitches, the sound groups are divided into different groups and are represented by arabic numerals, the small number of the small group is written in the upper right corner, and the large group is written in the lower right corner, so that characters such as the large group, the small group, and the like appear on the keyboard 60. The variable scale is represented on the piano as the sound produced by the black keys, and the marking method of the variable scale is to add # (ascending sign) or b (descending sign) in front of the basic scale.

A coding switch is added to the keys of the piano, if the piano is an electronic piano, key signals can be directly taken to carry out grouping coding on each key, and because the two groups of large characters and the five groups of small characters are two incomplete sound groups, the two groups of large characters and the five groups of small characters are respectively classified into one group of large characters and four groups of small characters. Each complete tone group has 12 tones by adding 7 white keys and 5 black keys, and the group coding has 14 tones at most by adding 1 or 2 tones by adding incomplete tone groups, the embodiment adopts 4-bit binary coding to represent, the 4-bit binary coding can represent 16 states (0000, 0001. cndot. 1111), the table of piano keyboard coding is shown in table 1:

TABLE 1 piano keyboard coding table

Referring to fig. 3, the head-mounted somatosensory vibration device 9 of the present embodiment includes a hair band 91, wherein different regions of the hair band 91 are used to distinguish high and low sound ranges, the hair band 91 has 8 regions, each region includes a vibrator, three vibrators are provided at the left and right ends, each vibrator is provided at the front and rear ends, 1 is a front region, 2-4 are right to right three regions, 5 is a rear region, 6-8 are left to left three regions, wherein 1, 3, 5, 7 are main regions, 2, 4, 6, 8 are auxiliary regions, 7 regions are used by a piano, and are arranged from low to high according to scale, 6 is a large character group, two groups, 8 is a large character group, 1 is a small character group, 2-4 are small character groups, one to three groups, and 5 is a small character group, four or five groups, and for the same codes of different groups, vibration frequencies are distinguished in different regions.

The specific implementation circuit will be described in detail below:

referring to fig. 4, the encoding circuit 10 is composed of integrated chips U201-U401, U601-U901 and peripheral components, wherein U201-U401 corresponds to small word group, small word group four, five groups in the encoding main region, and U601-U901 corresponds to small word group, small word group three, large word group two, one group and large word group in the encoding auxiliary region.

The chip models of U201-U401 and U601-U901 are VK3816, the chip is a 16-4 bit binary I2C serial port coding chip, the chip can be input by multiple keys, and is used for transmitting a coding signal of a keyboard 60 to a Bluetooth chip through an I2C serial port, and related pin functions are as follows: 1. 14-pin digital grounding, 2-9 pins and 20-27 pins as key input, 13-pin digital power supply end, 16-pin I2C serial clock, 15-pin I2C serial data, 28-pin input sensitivity adjustment and 18-19-pin coding frequency selection, wherein the selection arrangement is shown in table 2 and is used for vibration frequency selection.

TABLE 2 frequency selective arrangement Table

ADDR_SW1	0	0	1	1
					ADDR_SW1	0	1	0	1
Reference Hz	50	51	52	53

K203-214, K303-314 and K403-415 are main area key coding switches which respectively correspond to small character groups, small character four-group circuits and small character five-group circuits, and low level input is effective; k603-614, K703-714, K803-814 and K901-914 are auxiliary area key coding switches which respectively correspond to small character group circuits, large character group circuits and large character group circuits, and low level input is effective.

U101 and U501 are chip model CC2541, it is I2C serial ports bluetooth chip, is used for receiving the coded signal of keyboard 60 through I2C serial ports, and then transmits it, relevant pin function: the circuit comprises a 1-pin digital ground, a 2-pin I2C serial clock, a 3-pin I2C serial data, 10-pin and 39-pin digital power supply ends, a 40-pin power decoupling, 21-pin, 24-pin, 27-29-pin and 31-pin analog power supply ends, a 20-pin reset end, a 22-23-pin external 32MHz crystal oscillator, a 32-33-pin external 32.768KHz crystal oscillator, a 25-26-pin antenna end, an 18-pin code-pair switch, a 19-pin indication end and a 30-pin reference current setting end.

Referring to FIG. 5, the main area circuitry is comprised of integrated chips U1001-U1201 and peripheral components. The auxiliary area circuit is composed of integrated chips U1301-U1501 and peripheral elements.

The chip model of U1001 and U1301 is CC2541, which is an I2C serial bluetooth chip, and is used to receive the transmission signals of U101 and U501, convert their 4-bit binary signals, and output them to the vibrator driving circuit 40 through the parallel port, and the related pin functions: the circuit comprises a 1-pin digital ground, a 2-pin I2C serial clock, a 3-pin I2C serial data, 10 and 39-pin digital power supply ends, a 40-pin power decoupling, 21, 24, 27-29 and 31-pin analog power supply ends, a 20-pin reset end, a 22-23-pin external 32MHz crystal oscillator, a 32-33-pin external 32.768KHz crystal oscillator, a 25-26-pin antenna end, an 18-pin code-pair switch, a 19-pin indication end, a 30-pin reference current setting end, and 5-8 and 12-15-pin parallel port outputs, and respectively transmits conversion signals to a vibrator driving circuit 40.

U1101-U1201 and U1401-U1501 are dual-channel differential amplifier chips, the U1101-U1201 is used for driving 4 vibrators corresponding to 4 groups of codes in the main area, and the U1401-U1501 is used for driving 4 vibrators corresponding to 4 groups of codes in the auxiliary area. Related pin functions: the power supply system comprises a 1-pin analog power supply end, a 2-pin charge pump external capacitor anode, a 3-pin analog ground, a 4-pin charge pump external capacitor cathode, a 5-pin amplifier power supply, a 6-pin digital ground, a 7-pin right channel audio input anode, an 8-pin right channel audio input cathode, an 11-pin amplifier negative power supply, 9 and 13-pin digital power supply ends, a 10-pin right channel audio output, an 11-pin amplifier power supply cathode, a 12-pin left channel audio output, a 14-pin left channel audio input cathode, a 15-pin left channel audio input anode, a 16-pin output end control and effective low level.

SP1101-1102 and SP1201-1202 are 4 main vibrators, SP1401-1402 and SP1501-1502 are 4 auxiliary vibrators, the vibrators are low-frequency somatosensory loudspeakers, the working frequency is 16Hz-150Hz, and partial infrasonic waves which cannot be heard by human ears and are harmless to human bodies are resonated with human body cells through bone conduction to achieve the purpose of enabling the human bodies to listen to music.

When a key of a piano is pressed down, a coding switch responds and converts a 4-bit binary number and transmits a coding signal through U101 and U501, after the U1001 and U1301 receive the coding signal, the 4-bit binary signal is converted into a long and short pulse signal, 1 corresponds to a long pulse, 0 corresponds to a short pulse, the long and short pulse signal is sent to driving amplification circuits U1101-1201 and U1401-1501 through parallel interfaces, driving vibrators SP1101-1102, SP1201-1202, SP1401-1402 and SP1501-1502 to generate regular long and short knocking vibration, and a body can feel the temperament and rhythm of music through the body feeling knocking vibration.

The above-mentioned embodiment is only used for further explaining the utility model discloses a piano is felt to deaf-mute person, nevertheless the utility model discloses do not confine the embodiment to, all be according to the utility model discloses a technical entity all falls into the protection scope of the utility model discloses any simple modification, the equivalent change and the decoration of doing to above embodiment.

Claims

1. The utility model provides a piano is felt to deaf-mute with body which characterized in that: the piano comprises a piano body and a head-wearing somatosensory vibration device, wherein the piano body comprises a keyboard, a coding circuit and a first communication module connected with the coding circuit, each key of the keyboard corresponds to a group of coding switches of the coding circuit respectively, and each group of coding switches corresponds to a coding signal respectively; the head-wearing type somatosensory vibration device comprises a second communication module, a vibrator driving circuit and a plurality of vibrators, wherein the first communication module is wirelessly connected with the second communication module to send the coded signals, the output end of the second communication module is connected with the input end of the vibrator driving circuit, and the output end of the vibrator driving circuit is connected with the plurality of vibrators; the vibrator driving circuit receives the coded signals and then drives the vibrators to vibrate, and the plurality of vibrators are in surrounding contact with the heads of users to vibrate respectively.

2. The somatosensory piano for the deaf-dumb person according to claim 1, characterized in that: the head-wearing type somatosensory vibration device comprises a hair band, wherein a plurality of vibrators are arranged in a circle on the inner ring of the hair band.

3. The somatosensory piano for the deaf-dumb person according to claim 2, characterized in that: the number of the vibrators is 8, the front end and the rear end of the hair band are respectively provided with 1 vibrator, and the left end and the right end of the hair band are respectively provided with 3 vibrators.

4. The somatosensory piano for the deaf-dumb person according to claim 1, characterized in that: the vibrator driving circuit comprises an amplifier, the output end of the second communication module is connected with the input end of the amplifier, and the output end of the amplifier is connected with the plurality of vibrators.

5. The somatosensory piano for the deaf-dumb person according to claim 1, characterized in that: the encoding circuit encodes by a 4-bit binary number.

6. The somatosensory piano for the deaf-dumb person according to claim 1, characterized in that: and the first communication module and the second communication module adopt Bluetooth communication.

7. The somatosensory piano for the deaf-dumb person according to claim 1, characterized in that: the vibrator adopts a low-frequency somatosensory loudspeaker.