CN102054319A - Barrier-free voice prompt device for blind person - Google Patents
Barrier-free voice prompt device for blind person Download PDFInfo
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- CN102054319A CN102054319A CN 201010277970 CN201010277970A CN102054319A CN 102054319 A CN102054319 A CN 102054319A CN 201010277970 CN201010277970 CN 201010277970 CN 201010277970 A CN201010277970 A CN 201010277970A CN 102054319 A CN102054319 A CN 102054319A
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Abstract
The invention relates to a barrier-free voice prompt device for a blind person. The barrier-free composed of a transmitter and a plurality of receivers, wherein information transmission is carried out between the transmitter and the plurality of receivers, the transmitter is connected with the receivers in a wireless mode for transmitting information, and the wireless mode is one or combination of a 2.4 G radio frequency mode and an FM (frequency modulation) mode. The device provided by the invention is convenient to mount, can be mounted indoors or outdoors, has less data quantity, is not influenced by the directivity or a barrier, is humanized in voice prompt, simple and convenient in operation and low in cost, and is more applicable to the blind person and people with poor eyesight. By utilizing the barrier-free voice prompt device provided by the invention, the blind person can walk out, participate in social life and integrate into the society as an ordinary person; and the device is suitable for the blind person to walk out so as to acquire information, and can assist the blind person and the people with poor eyesight to go out.
Description
Technical field
The present invention relates to a kind of speech prompting system, especially a kind of accessible sound prompt device that is used for blind person's use.
Background technology
At present, the sound prompt device that uses when existing blind person of being used for or amblyopia crowd go on a journey generally all be adopt gps system in conjunction with voice guide or radar system in conjunction with voice range finding guide dual mode, to realize that blind person or amblyopia crowd are carried out voice suggestion.Yet gps system and radar system in use have following shortcoming respectively:
1, gps system can't use in place indoor or that building is complicated, in addition, because the GPS data quantity transmitted is big, causes the response time very slow; Because not hommization of voice, and cost is also higher relatively, therefore also limits it and can't promote the use of on a large scale;
2, because radar system has directivity, the installation site restriction can be subject to many limitations, also can be obstructed if run into obstacle signal, thereby cause blind person or amblyopia crowd can't receive information; In addition, because the cost of radar system is also higher relatively, therefore also limits it and can't promote the use of on a large scale.
Summary of the invention
At the weak point that exists in the problems referred to above, it is simple to the invention provides a kind of use, and cost is low, and data volume is few, the accessible sound prompt device that a kind of blind person of being used for who not influenced by directivity and barrier uses.
For achieving the above object, the invention provides the accessible sound prompt device that a kind of blind person of being used for uses, constitute by transmitter and a plurality of receiver, described transmitter and described a plurality of receiver carry out information transmission, adopt wireless mode to be connected between described transmitter and the described receiver and carry out information transmission, described wireless mode is one or both the combination in 2.4G RF-wise, the FM mode of frequency regulation.
When adopting 2.4G RF-wise and FM mode of frequency regulation to be used in combination, described receiver receives the signal that the 2.4G RF-wise sends earlier.
Described transmitter is made of with housing parts the built-in system part, described built-in system part is made of power supply and the audio-frequency unit and the control section that are connected with described power supply, described audio-frequency unit is made of audio frequency amplification module and the loudspeaker that are connected with described audio frequency amplification module, described control section is by MCU module and the 2.4GRF module that is connected with described MCU module respectively, FM frequency modulation module, compass module and Flash module constitute, described audio frequency amplification module is connected with described MCU module, and described 2.4GRF module is connected with antenna respectively with described FM frequency modulation module.Described MCU module also is connected with SD card, operating key and USB interface.
Described housing parts is made of housing and the pcb board, antenna and the waterproof bar that are installed in the described housing, described waterproof bar is arranged on the upper end of described pcb board, power lead, wire bushing and horn wire also are installed on the described housing, and described housing is made of upper casing and lower casing.
Described receiver is made of with housing parts the built-in system part, described built-in system part is made of power supply and the audio-frequency unit and the control section that are connected with described power supply, described audio-frequency unit is made of audio frequency amplification module and the loudspeaker that are connected with described audio frequency amplification module, described control section is by MCU module and the 2.4GRF module that is connected with described MCU module respectively, FM frequency modulation module and Flash module constitute, described audio frequency amplification module is connected with described MCU module, described 2.4GRF module is connected with antenna respectively with described FM frequency modulation module, described MCU module also with the SD card, operating key and USB interface are connected.
Described housing parts is made of housing and the loudspeaker, wiring board, battery and the operating key that are installed in the belt clip of described hull outside and are installed in described inside, and described loudspeaker, described battery and described operating key are connected with described wiring board.
Be integrated with the operating key contact chip on described wiring board, described operating key is corresponding with the position of described operating key contact chip.
Described housing is made of drain pan and face-piece, also is provided with the PTT button in a side of described housing.
Described belt clip is installed in the outside of described housing by the clip support, on described belt clip clip screw and spring is installed also.
Compared with prior art, the present invention has the following advantages:
The invention provides the accessible sound prompt device that a kind of blind person of being used for uses, constitute by transmitter and a plurality of receiver, transmitter and a plurality of receiver carry out information transmission, adopt wireless mode to be connected between transmitter and the receiver and carry out information transmission, wireless mode is one or both the combination in 2.4G RF-wise, the FM mode of frequency regulation.The present invention is easy for installation, can be installed in the indoor and outdoor, and data volume is few, not influenced by directivity and barrier, the hommization suggestion voice, and easy and simple to handle, cost is low, is more suitable for blind person and amblyopia crowd.Adopt the present invention can make the blind person dare to walk out the door, participate in public life, equality is socially reintegrated, suitable blind person goes out to obtain information, can help blind person and amblyopia crowd to solve the difficult problem of trip.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Fig. 2 is the inner bay composition of receiver among the present invention;
Fig. 3 is the inner bay composition of transmitter among the present invention;
Fig. 4 is the STRUCTURE DECOMPOSITION figure of transmitter among the present invention;
Fig. 5 is the STRUCTURE DECOMPOSITION figure of receiver among the present invention.
The main element symbol description is as follows:
10 transmitters, 11 receivers, 21 power supplys
22 SD cards, 23 operating keys, 24 USB interface
25 2.4GRF modules, 26 MCU modules, 27 Flash modules
28 FM frequency modulation modules, 29 compass modules, 210 audio frequency amplification modules
211 antennas, 212 loudspeaker, 31 power supplys
32 SD cards, 33 operating keys, 34 USB interface
35 2.4GRF modules, 36 MCU modules, 37 Flash modules
38 FM frequency modulation modules, 39 audio frequency amplification modules, 310 antennas
311 loudspeaker, 41 lower casings, 42 upper casings
43 pcb boards, 44 antennas, 45 waterproof bars
46 horn wires, 47 wire bushings, 48 power leads
50 drain pans, 51 face-pieces, 52 belt clips
53 clip supports, 54 battery covers, 55 batteries
56 PTT buttons, 57 wiring boards, 58 loudspeaker
59 speaker net, 510 operating keys, 511 springs
512 clip screws, 513 operating key contact chips, 514 ornamental strips
Embodiment
As shown in Figure 1, the invention provides the accessible sound prompt device that a kind of blind person of being used for uses, constitute by transmitter 10 and a plurality of receiver 11, adopt wireless mode to be connected between transmitter 10 and a plurality of receivers 11 and carry out information transmission, this wireless mode is one or both the combination in 2.4G RF-wise, the FM mode of frequency regulation.When adopting 2.4G RF-wise and FM mode of frequency regulation to be used in combination, described receiver receives the signal that the 2.4G RF-wise sends earlier.2.4G RF-wise or FM mode of frequency regulation can be installed in indoor or outdoors, and not influenced by directivity and barrier; Because its volume of transmitted data is few, therefore can not impact transmission between transmitter and the receiver and time of reception yet.
Wherein, the operation of 2.4G RF-wise sends simple, clear and definite, adopts fixing combination recording code information, for example: " doorway, market ".The operation of FM RF-wise sends unfixing, can send jumbo voice broadcast service information, for example: " the rainbow market, walking southward is information desk, and inclined to one side 15 degree are the toilet toward the northwest, and going in a westward direction is the second floor elevator entrance ... ".
As Fig. 2 and shown in Figure 3, transmitter is made of with housing parts the built-in system part.The built-in system of transmitter part is made of power supply 21 and the audio-frequency unit and the control section that are connected with power supply 21, wherein, audio-frequency unit is made of audio frequency amplification module 210 and the loudspeaker 212 that are connected with audio frequency amplification module 210, control section is made of MCU module 26 and the 2.4GRF module 25 that is connected with MCU module 26 respectively, FM frequency modulation module 28, compass module 29 and Flash module 27, audio frequency amplification module 210 is connected with MCU module 26, and 2.4GRF module 25 is connected with antenna 211 respectively with FM frequency modulation module 28.MCU module 26 also is connected with SD card 22, operating key 23 and USB interface 24.
The housing parts of transmitter mainly is made of housing and the pcb board 43, antenna 44 and the waterproof bar 45 that are installed in the housing, and wherein, housing is made of upper casing 42 and lower casing 41, and waterproof bar 45 is arranged on the upper end of pcb board 43.Horn wire 46 and wire bushing 47 and power lead 48 also are installed on housing.
As Fig. 4 and shown in Figure 5, receiver is made of with housing parts the built-in system part.Wherein, the built-in system of receiver part is made of power supply 31 and the audio-frequency unit and the control section that are connected with power supply 31, audio-frequency unit is made of audio frequency amplification module 39 and the loudspeaker 311 that are connected with audio frequency amplification module 39, control section is made of MCU module 36 and the 2.4GRF module 35 that is connected with MCU module 36 respectively, FM frequency modulation module 38 and Flash module 37, audio frequency amplification module 39 is connected with MCU module 36, and 2.4GRF module 35 is connected with antenna 310 respectively with FM frequency modulation module 38.MCU module 36 also is connected with SD card 32, operating key 33 and USB interface 34.
The housing parts of receiver is made of housing and the belt clip 52 and built-in loudspeaker 58, wiring board 57, battery 55 and the operating key 510 that are installed in hull outside, loudspeaker 58, battery 55 and operating key 510 all are connected with wiring board 57, also are provided with PTT button 56 in a side of housing.Housing is made of drain pan 50 and face-piece 51, and belt clip 52 is installed in the outside of drain pan 50 by clip support 53, and clip screw 512 and spring 511 also are installed on belt clip 52.Battery 55 embeds the inside of drain pan 50, also is provided with battery cover 54 in the outside of battery 55.Be integrated with operating key contact chip 513 on wiring board 57, operating key 510 is corresponding with the position of operating key contact chip 513.Surface at face-piece has also embedded ornamental strip 514, and this ornamental strip 514 is embedded between the operating key 510.
Transmitter is installed in all kinds of occasions: each floor road passage, subway mouth, crossroad, lift port, corridor corner, each reading matter bookshelf, attention zone, information desk, doorway, lavatory or complicated hazardous location or the like.The guiding voice are recorded according to environment, and maximum hommization, thereby make the blind person effectively arrive the destination.
Transmitter is installed according to environment, install one for about 5 square metres, as the position signalling mark, mainly be releasing position information and commercials, music, when the blind person walks close to, transmitter will report prompting " sharp sandspit platform " if also open radio reception by the 2.4G less radio-frequency receiver that marking signal holds as " sharp sandspit platform " blind person that transmits, and also can receive transmitter broadcasting.
Transmitter is an external speaker, can regulate volume by volume knob and be fit to.Insert the SD card that is loaded with music, advertising broadcast information and temporary information at transmitter, transmitter is by FM emission transmission information.
Receiver is quoted suggestion voice simultaneously receiving the information of transmitter, and receiver is by " PTT key ", and transmitter is quoted suggestion voice, makes the blind person distinguish orientation USB according to sound and passes through more new speech of USB after connecting computer, copy MP3, system upgrade.
The button operation voice suggestion meets the physiology design of blind person's operation, and is easy to use.Receiver in use need not to pay in addition any communication cost.The blind person can select to listen to the voice information with earphone or with loudspeaker according to environment and demand.The blind person quotes voice suggestion constantly and points the direction by compass functional.The blind person can use other integrated on handheld terminal functions according to the real needs of own trip or study, amusement: FM radio, MP3 player, USB flash disk etc.USB interface is used for charging at ordinary times, passes through more new speech of USB after connecting computer, copy MP3, system upgrade.Receiver is received suggestion voice and vibration prompt after the information of transmitter, also information is protected Flash when quoting voice, also can sense information by " searching ".
After the obstacle personage held the signal coverage areas that hand held receiver enters transmitter, 2.4GRF module in the transmitter and FM frequency modulation module can successively send voice signal to receiver successively.2.4GRF module can only send some simple information of voice prompt, for example: No. 105 buses, right-hand bend etc.FM frequency modulation module then can round-the-clock transmission broadcast message, for example: China's strong backlands iron outlet, the strong North Road of A China, toward direct north, B match lattice, and direction C Technology Parks, due east direction etc. are spent in southwest inclined to one side 15.The obstacle personage can select the type of information of voice prompt according to actual needs, and selects to continue to move ahead or reselect the direction of advancing according to this kind information of voice prompt.Enter the signal coverage areas of next transmitter as the obstacle personage after, this transmitter can send information of voice prompt again again.Thereby prompting obstacle personage selects to continue to move ahead or reselect the direction of advancing.
Only the above person only is preferred embodiment of the present invention, is familiar with the professional person of this skill such as, and after understanding technological means of the present invention, natural energy is changed under instruction of the present invention according to the needs of reality.Therefore all equal variation and modifications of being done according to the present patent application claim once should still belong in the scope that patent of the present invention contains.
Claims (9)
1. one kind is used for the accessible sound prompt device that the blind person uses, constitute by transmitter and a plurality of receiver, described transmitter and described a plurality of receiver carry out information transmission, adopt wireless mode to be connected between described transmitter and the described receiver and carry out information transmission, it is characterized in that described wireless mode is one or both the combination in 2.4G RF-wise, the FM mode of frequency regulation.
2. a kind of accessible sound prompt device that the blind person uses that is used for as claimed in claim 1 is characterized in that when adopting 2.4G RF-wise and FM mode of frequency regulation to be used in combination, described receiver receives the signal that the 2.4G RF-wise sends earlier.
3. a kind of accessible sound prompt device that the blind person uses that is used for as claimed in claim 1, it is characterized in that, described transmitter is made of with housing parts the built-in system part, described built-in system part is made of power supply and the audio-frequency unit and the control section that are connected with described power supply, described audio-frequency unit is made of audio frequency amplification module and the loudspeaker that are connected with described audio frequency amplification module, described control section is by MCU module and the 2.4GRF module that is connected with described MCU module respectively, FM frequency modulation module, compass module and Flash module constitute, described audio frequency amplification module is connected with described MCU module, and described 2.4GRF module is connected with antenna respectively with described FM frequency modulation module.Described MCU module also is connected with SD card, operating key and USB interface.
4. a kind of accessible sound prompt device that the blind person uses that is used for as claimed in claim 3, it is characterized in that, described housing parts is made of housing and the pcb board, antenna and the waterproof bar that are installed in the described housing, described waterproof bar is arranged on the upper end of described pcb board, power lead, wire bushing and horn wire also are installed on the described housing, and described housing is made of upper casing and lower casing.
5. a kind of accessible sound prompt device that the blind person uses that is used for as claimed in claim 1, it is characterized in that, described receiver is made of with housing parts the built-in system part, described built-in system part is made of power supply and the audio-frequency unit and the control section that are connected with described power supply, described audio-frequency unit is made of audio frequency amplification module and the loudspeaker that are connected with described audio frequency amplification module, described control section is by MCU module and the 2.4GRF module that is connected with described MCU module respectively, FM frequency modulation module and Flash module constitute, described audio frequency amplification module is connected with described MCU module, described 2.4GRF module is connected with antenna respectively with described FM frequency modulation module, described MCU module also with the SD card, operating key and USB interface are connected.
6. a kind of accessible sound prompt device that the blind person uses that is used for as claimed in claim 5, it is characterized in that, described housing parts is made of housing and the loudspeaker, wiring board, battery and the operating key that are installed in the belt clip of described hull outside and are installed in described inside, and described loudspeaker, described battery and described operating key are connected with described wiring board.
7. a kind of accessible sound prompt device that the blind person uses that is used for as claimed in claim 5 is characterized in that be integrated with the operating key contact chip on described wiring board, described operating key is corresponding with the position of described operating key contact chip.
8. a kind of accessible sound prompt device that the blind person uses that is used for as claimed in claim 5 is characterized in that described housing is made of drain pan and face-piece, also is provided with the PTT button in a side of described housing.
9. a kind of accessible sound prompt device that the blind person uses that is used for as claimed in claim 5 is characterized in that, described belt clip is installed in the outside of described housing by the clip support, on described belt clip clip screw and spring is installed also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010277970 CN102054319B (en) | 2010-09-10 | 2010-09-10 | Barrier-free voice prompt device for blind person |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010277970 CN102054319B (en) | 2010-09-10 | 2010-09-10 | Barrier-free voice prompt device for blind person |
Publications (2)
| Publication Number | Publication Date |
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| CN102054319A true CN102054319A (en) | 2011-05-11 |
| CN102054319B CN102054319B (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010277970 Expired - Fee Related CN102054319B (en) | 2010-09-10 | 2010-09-10 | Barrier-free voice prompt device for blind person |
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| CN (1) | CN102054319B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278169A (en) * | 2013-05-14 | 2013-09-04 | 渤海大学 | Intelligent blind path guiding system and method used in public building |
| CN103531225A (en) * | 2013-10-18 | 2014-01-22 | 江西渝州科技职业学院 | System of portable MP3 player for blind people |
| CN103871300A (en) * | 2012-12-13 | 2014-06-18 | 陈小磊 | Text reader for the blind |
| CN104123797A (en) * | 2014-07-23 | 2014-10-29 | 苏州骋研电子技术有限公司 | Air shower voice prompt system based on multifunctional memory card |
| CN106297337A (en) * | 2015-06-04 | 2017-01-04 | 夏裕萱 | Use the electronic blindman guiding instrument of radio frequency-modulated signals |
| CN110622628A (en) * | 2017-03-15 | 2019-12-27 | 香港物流及供应链管理应用技术研发中心 | Radio frequency communication guiding device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1750061A (en) * | 2005-09-08 | 2006-03-22 | 吴颀 | Speech prompting system for FM transmitting traffic cross location and signal lamp information |
| CN2925438Y (en) * | 2006-04-25 | 2007-07-25 | 师建中 | Speech blind guider of servo classified equipment |
| CN2938619Y (en) * | 2006-08-09 | 2007-08-22 | 新世界（中国）科技传媒有限公司 | Portable apparatus for guiding walk and ride |
| CN200973096Y (en) * | 2006-11-12 | 2007-11-07 | 天津理工大学 | Voice prompter for blind person |
| CN101261767A (en) * | 2008-04-11 | 2008-09-10 | 浙江大学 | Intelligent traffic control system for blind and its method |
| CN101509780A (en) * | 2009-03-16 | 2009-08-19 | 西安理工大学 | Intelligent blind navigation system and navigation method |
| CN101593436A (en) * | 2009-06-26 | 2009-12-02 | 江苏大学 | Blind traffic prompt system based on LED traffic lights visible light communication |
| CN201414915Y (en) * | 2009-04-24 | 2010-03-03 | 严伟文 | Cane with intelligent voice prompts for blind |
-
2010
- 2010-09-10 CN CN 201010277970 patent/CN102054319B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1750061A (en) * | 2005-09-08 | 2006-03-22 | 吴颀 | Speech prompting system for FM transmitting traffic cross location and signal lamp information |
| CN2925438Y (en) * | 2006-04-25 | 2007-07-25 | 师建中 | Speech blind guider of servo classified equipment |
| CN2938619Y (en) * | 2006-08-09 | 2007-08-22 | 新世界（中国）科技传媒有限公司 | Portable apparatus for guiding walk and ride |
| CN200973096Y (en) * | 2006-11-12 | 2007-11-07 | 天津理工大学 | Voice prompter for blind person |
| CN101261767A (en) * | 2008-04-11 | 2008-09-10 | 浙江大学 | Intelligent traffic control system for blind and its method |
| CN101509780A (en) * | 2009-03-16 | 2009-08-19 | 西安理工大学 | Intelligent blind navigation system and navigation method |
| CN201414915Y (en) * | 2009-04-24 | 2010-03-03 | 严伟文 | Cane with intelligent voice prompts for blind |
| CN101593436A (en) * | 2009-06-26 | 2009-12-02 | 江苏大学 | Blind traffic prompt system based on LED traffic lights visible light communication |
Non-Patent Citations (1)
| Title |
|---|
| 《电子技术应用》 20100630 宁志刚等 一种新型盲人导行识别***的设计 1-9 , 第06期 2 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871300A (en) * | 2012-12-13 | 2014-06-18 | 陈小磊 | Text reader for the blind |
| CN103278169A (en) * | 2013-05-14 | 2013-09-04 | 渤海大学 | Intelligent blind path guiding system and method used in public building |
| CN103278169B (en) * | 2013-05-14 | 2015-12-02 | 渤海大学 | The intelligent blind route guidance system used in public building and bootstrap technique |
| CN103531225A (en) * | 2013-10-18 | 2014-01-22 | 江西渝州科技职业学院 | System of portable MP3 player for blind people |
| CN103531225B (en) * | 2013-10-18 | 2016-04-13 | 江西渝州科技职业学院 | A kind of system of blind person's portable MP 3 player |
| CN104123797A (en) * | 2014-07-23 | 2014-10-29 | 苏州骋研电子技术有限公司 | Air shower voice prompt system based on multifunctional memory card |
| CN106297337A (en) * | 2015-06-04 | 2017-01-04 | 夏裕萱 | Use the electronic blindman guiding instrument of radio frequency-modulated signals |
| CN110622628A (en) * | 2017-03-15 | 2019-12-27 | 香港物流及供应链管理应用技术研发中心 | Radio frequency communication guiding device |
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|---|---|
| CN102054319B (en) | 2013-06-05 |
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| C14 | Grant of patent or utility model | ||
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Application publication date: 20110511 Assignee: German Electronics (Shenzhen) Co., Ltd. Assignor: Shenzhen Huatong Electronic Technology Co., Ltd. Contract record no.: 2013990000444 Denomination of invention: Barrier-free voice prompt device for blind person Granted publication date: 20130605 License type: Exclusive License Record date: 20130730 |
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Granted publication date: 20130605 Termination date: 20180910 |