CN2857917Y - Intelligent wheelchair - Google Patents
Intelligent wheelchair Download PDFInfo
- Publication number
- CN2857917Y CN2857917Y CN 200520077700 CN200520077700U CN2857917Y CN 2857917 Y CN2857917 Y CN 2857917Y CN 200520077700 CN200520077700 CN 200520077700 CN 200520077700 U CN200520077700 U CN 200520077700U CN 2857917 Y CN2857917 Y CN 2857917Y
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- receiving system
- signal receiving
- wheelchair
- controlling organization
- targeting signal
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Abstract
A smart wheelchair includes a seat, at least three wheels, a power source, a transmission gear and a control mechanism with a speech recognition device which is characterized in that the control mechanism provides a guide signal receiving device which is a non-touch signal-receiving device and an ultrasonic sensor. The disclosed smart wheelchair can be operated automatically with only one goal command to avoid the operation difficulties caused by multiple times of speech recognitions and possible errors of command recognition; meanwhile recognitions of voice commands are verified and the recognition accuracy is improved.
Description
Technical field
This utility model relates to a kind of weakling's of being specially adapted for chair, is specifically related to a kind of wheelchair with dynamic driving of speech identifying function.
Background technology
Wheelchair is the assisted movement device for crowd's use of walking disorder such as people with disability or old people.Except early stage dependence manually driven wheelchair, consider the facility of controlling, electric wheelchair has occupied the bigger market share gradually.
The convenience that wheelchair is handled is the emphasis that relevant manufacturer and research and development institution pay close attention to all the time.Because the common electric wheelchair has certain requirement to operator's technical ability, can not adapt to the requirement of all kinds of user, voice control formula wheelchair has appearred at present, it comprises seat, at least 3 wheels, power source, drive mechanism and controlling organizations, be provided with speech recognition equipment in the described controlling organization, controlling organization receives the order that user sends by speech recognition equipment, judge and provide the corresponding component action of signal controlling drive mechanism by embedded software, make wheelchair realize actions such as advancing, retreat, turn left, turn right, stop.Yet, consider wheelchair user's situation, require it in running, constantly to send various command in time, exactly, suitable difficulty is arranged, add existing speech recognition technology and can not reach hundred-percent discrimination, probably in use slip up, cause the spirit of user panic, even cause injury to a certain degree.
Based on above-mentioned consideration,, make the occupant of wheelchair can more cosily drive wheelchair if can will greatly improve the navigability of wheelchair with the accurate control of the voice command realization of trying one's best few to wheelchair.
Summary of the invention
This utility model purpose provides the wheelchair that the enough less speech recognition number of times of a kind of energy are realized control.
For achieving the above object, the technical solution adopted in the utility model is: a kind of intelligent wheelchair, comprise seat, at least 3 wheels, power source, drive mechanism and controlling organizations, be provided with speech recognition equipment in the described controlling organization, in the described controlling organization, also be provided with targeting signal receiving system and ultrasonic sensor, described targeting signal receiving system is the non-contact type signal receiving system.
In the technique scheme, described wheel, power source and drive mechanism are prior art, usually, adopt rechargeable type battery (as sealing-type lead-acid battery, lithium ion battery etc.) drive electric motor as power source, drive mechanism comprises reducing gear, turns to parts such as controlling organization, turn to the consideration of control for convenience, also can realize that these schemes all can obtain in the prior art with bi-motor and box of tricks.Described controlling organization generally adopts Single Chip Microcomputer (SCM) system, and its hardware components can adopt existing controlling organization with speech identifying function.The difference of the technical program is, is provided with the targeting signal receiving system, thereby, in use, setting in advance the targeting signal discharger in the zone of action of wheelchair, can discern by the signal coding that sends between each targeting signal discharger.User can directly send destination's voice recognition commands, for example, send the order of " will drink water ", after speech recognition system is discerned, inquired about in presetting database by control system, the signal of the targeting signal discharger that receives by the targeting signal receiving system is determined the relative position of wheelchair and objective body, and make various operations such as advance, turn to automatically, arrive water dispenser at last." ultrasonic sensor " in the technique scheme can carry out sensing identification to barrier, avoids bumping with the accidental barrier that exists on path.
In the technique scheme, described targeting signal receiving system is selected from infrared receiver, micropower wireless signal receiving system or bluetooth receiving system.Correspondingly, in use, in the zone of action of wheelchair, should arrange corresponding infrared transmitting device, micropower wireless signal transmitting device or Bluetooth transmission device.
Further technical scheme, described seat includes handrail, and described handrail is provided with display screen, and described display screen is electrically connected with described controlling organization.Owing to be provided with display screen, can after sending phonetic order, user on display screen, show the result of speech recognition, confirm the back execution by user; In case the generation speech recognition errors, user can in time be corrected.
Because the technique scheme utilization, this utility model compared with prior art has following advantage:
1. because this utility model is provided with the targeting signal receiving system, when in the environment that has disposed the targeting signal generating means, using, can be only promptly realize operation automatically by a target ground (perhaps purpose) order, that has avoided that repeatedly speech recognition brings controls difficulty and possible command recognition mistake; Thus, this device is particularly suitable for using in dwelling house, office space; If the configuration removable storage device can also be suitable in the museum, public arenas such as library, various exhibition rooms use, user is as long as making land used insert corresponding removable storage media, can carry out speech command operation in corresponding occasion.
2. after display screen was set, this utility model can be realized checking of voice command identification, avoids causing misoperation because of identification error.
Description of drawings
Accompanying drawing 1 is the schematic appearance of this utility model embodiment one;
Accompanying drawing 2 is the schematic block diagram of controlling organization among the embodiment one;
A kind of occupation mode sketch map of accompanying drawing 3 embodiment one.
Wherein: [1], seat; [2], wheel; [3], ultrasonic sensor; [4], display screen; [5], handrail; [6], sender unit; [7], water dispenser.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described:
Embodiment one: shown in accompanying drawing 1 to 3, a kind of intelligent wheelchair, comprise seat 1,4 wheels 2, power source, drive mechanism and controlling organization, adopt sealed maintenance-free lead accumulator drive electric motor as power source, drive mechanism comprises reducing gear, turn to parts such as controlling organization, described controlling organization comprises computer (can adopt Single Chip Microcomputer (SCM) system), mike, speech recognition equipment, the targeting signal receiving system, ultrasonic sensor 3 and display screen 4, described ultrasonic sensor 3 is connected to computer by the A/D conversion equipment, and the control signal of computer is by D/A conversion equipment drive motor and the action of other control assembly; Described targeting signal receiving system is an infrared receiver, and display screen 4 is installed on the handrail 5 of seat, is electrically connected with computer.
In use, set in advance infrared ray targeting signal discharger 6 in the zone of action of wheelchair, can discern by the signal coding that sends between each targeting signal discharger 6.User can directly send destination's voice recognition commands, for example, shown in accompanying drawing 3, user sends the order of " will drink water ", after speech recognition system is discerned, is inquired about in presetting database by control system, the signal of the targeting signal discharger that receives by the targeting signal receiving system, determine the relative position of wheelchair and objective body, and make various operations such as advance, turn to automatically, arrive water dispenser 7 at last.In this process, ultrasonic sensor 3 can carry out sensing identification to barrier, avoids bumping with the accidental barrier that exists on path.
Embodiment two: a kind of intelligent wheelchair, comprise seat, 3 or 4 wheels, power source, drive mechanism and controlling organizations, described controlling organization comprises Single Chip Microcomputer (SCM) system, mike, speech recognition equipment, targeting signal receiving system and ultrasonic sensor, and described targeting signal receiving system is micropower wireless signal receiving system or bluetooth receiving system.
Claims (3)
1. intelligent wheelchair, comprise seat [1], at least 3 wheels [2], power source, drive mechanism and controlling organization, be provided with speech recognition equipment in the described controlling organization, it is characterized in that: in the described controlling organization, also be provided with targeting signal receiving system and ultrasonic sensor [3], described targeting signal receiving system is the non-contact type signal receiving system.
2. intelligent wheelchair according to claim 1 is characterized in that: described targeting signal receiving system is selected from infrared receiver, micropower wireless signal receiving system or bluetooth receiving system.
3. intelligent wheelchair according to claim 1 is characterized in that: described seat includes handrail [5], and described handrail [5] is provided with display screen [4], and described display screen [4] is electrically connected with described controlling organization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077700 CN2857917Y (en) | 2005-11-10 | 2005-11-10 | Intelligent wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077700 CN2857917Y (en) | 2005-11-10 | 2005-11-10 | Intelligent wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2857917Y true CN2857917Y (en) | 2007-01-17 |
Family
ID=37610777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520077700 Expired - Fee Related CN2857917Y (en) | 2005-11-10 | 2005-11-10 | Intelligent wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2857917Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298346A (en) * | 2011-05-26 | 2011-12-28 | 江苏科技大学 | Intelligent wheel chair voice drive controller and identification and control method thereof |
| US8255123B2 (en) | 2007-06-27 | 2012-08-28 | GM Global Technology Operations LLC | Apparatus and method for positioning a movable component of a motor actuated device |
| CN103099693A (en) * | 2013-02-07 | 2013-05-15 | 王禹 | Handicapped-helping control system based on electroencephalogram/voice instructions |
| TWI470387B (en) * | 2012-10-02 | 2015-01-21 | Nat University Of Kaohsuing | Wireless voice control system |
| CN104434429A (en) * | 2014-12-15 | 2015-03-25 | 兰州理工大学 | Intelligent voice recognition disabled helping wheelchair system |
| CN104972931A (en) * | 2014-04-08 | 2015-10-14 | 福特环球技术公司 | System and method for sound control seat adjustment |
| CN107397992A (en) * | 2017-09-11 | 2017-11-28 | 杭州医学院 | Multifunctional transfusion chair and transfusion system |
| CN107411900A (en) * | 2017-06-27 | 2017-12-01 | 贵州大学 | A kind of multifunctional wheelchair |
| CN109715118A (en) * | 2016-09-13 | 2019-05-03 | 福特全球技术公司 | Method and apparatus for motor vehicles to be monitored and controlled |
-
2005
- 2005-11-10 CN CN 200520077700 patent/CN2857917Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8255123B2 (en) | 2007-06-27 | 2012-08-28 | GM Global Technology Operations LLC | Apparatus and method for positioning a movable component of a motor actuated device |
| CN102298346A (en) * | 2011-05-26 | 2011-12-28 | 江苏科技大学 | Intelligent wheel chair voice drive controller and identification and control method thereof |
| TWI470387B (en) * | 2012-10-02 | 2015-01-21 | Nat University Of Kaohsuing | Wireless voice control system |
| CN103099693A (en) * | 2013-02-07 | 2013-05-15 | 王禹 | Handicapped-helping control system based on electroencephalogram/voice instructions |
| CN104972931A (en) * | 2014-04-08 | 2015-10-14 | 福特环球技术公司 | System and method for sound control seat adjustment |
| CN104972931B (en) * | 2014-04-08 | 2018-11-30 | 福特环球技术公司 | The system and method adjusted for acoustic control seat |
| CN104434429A (en) * | 2014-12-15 | 2015-03-25 | 兰州理工大学 | Intelligent voice recognition disabled helping wheelchair system |
| CN109715118A (en) * | 2016-09-13 | 2019-05-03 | 福特全球技术公司 | Method and apparatus for motor vehicles to be monitored and controlled |
| CN109715118B (en) * | 2016-09-13 | 2024-05-24 | 福特全球技术公司 | Method and device for monitoring and controlling a motor vehicle |
| CN107411900A (en) * | 2017-06-27 | 2017-12-01 | 贵州大学 | A kind of multifunctional wheelchair |
| CN107397992A (en) * | 2017-09-11 | 2017-11-28 | 杭州医学院 | Multifunctional transfusion chair and transfusion system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070117 Termination date: 20131110 |