CN105708663A - Blind person guide device - Google Patents
Blind person guide device Download PDFInfo
- Publication number
- CN105708663A CN105708663A CN201610035973.8A CN201610035973A CN105708663A CN 105708663 A CN105708663 A CN 105708663A CN 201610035973 A CN201610035973 A CN 201610035973A CN 105708663 A CN105708663 A CN 105708663A
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- CN
- China
- Prior art keywords
- tof
- tof camera
- control circuit
- blind person
- camera assembly
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/06—Walking aids for blind persons
- A61H3/061—Walking aids for blind persons with electronic detecting or guiding means
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Studio Devices (AREA)
Abstract
The invention provides a blind person guide device. The blind person guide device comprises a fixed frame, TOF camera assemblies, a control circuit board and a power supply module, wherein the TOF camera assemblies and the control circuit board are arranged on the fixed frame, the control circuit board is connected with the TOF camera assemblies, each TOF camera assembly comprises a camera base, each camera base is fixedly arranged on the fixed frame, a TOF lens is fixedly arranged on each camera base, LEDs (light-emitting diodes) are arranged on two sides of each TOF lens, each TOF lens and the LEDs are connected with a TOF sensor core electrical device, the TOF sensor core electrical devices are connected with the control circuit board, and the power supply module provides power for the TOF camera assemblies and the control circuit board. The blind person guide device is convenient to carry and use, and can completely cover the surrounding 360-degree spatial range; by selecting the different angles of the TOF lenses, the different numbers of cameras can be set, so that the field of view can be conveniently adjusted.
Description
Technical field
The present invention relates to blind person's bootstrap technique field, be specifically related to a kind of blind person's guiding device.
Background technology
The floor tile of existing sidewalk for visually impaired people many employings special grains or paste with the paving coating being provided with special grains is formed on the ground, sidewalk for visually impaired people is arranged on pavement, can interrupt in front of the door at crossing or institutional settings, when blind person walks on or changes direction walking, generally require other people help, environment especially for surrounding is unfamiliar with, it is impossible to determine whether barrier, it is easy to cause potential safety hazard.
Summary of the invention
The present invention is directed to the technical problem of above-mentioned existence, it is proposed that a kind of blind person's guiding device, provide guide for blind person and help, it is ensured that blind safety is gone on a journey.
The technical scheme is that a kind of blind person's guiding device, it is characterized in that, including: fixed mount, TOF camera assembly, control circuit plate and supply module, described TOF camera assembly and control circuit plate are arranged on fixed mount, described control circuit plate is connected with TOF camera assembly, described TOF camera assembly includes camera pedestal, described camera pedestal is fixedly installed on fixed mount, described camera pedestal is fixedly installed TOF camera lens, the both sides of described TOF camera lens arrange LED light emitting diode, described TOF camera lens and LED light emitting diode are connected with TOF sensor core electric installation, described TOF sensor core electric installation is connected with control circuit plate, described supply module is TOF camera assembly and control circuit plate is powered.
Further, described fixed mount is circular ring.
Further, described TOF camera assembly is multiple, and all TOF camera assemblies are evenly distributed on fixed mount and form 360 degree of angles of visual field.
Further, the number of described TOF camera assembly is 4, and the angle of visual field of every camera is 90 degree.
Further, described control circuit plate arranges FPGA, voice operation demonstrator, memorizer and interface circuit that central processing unit is connected with central processing unit, the outfan of described voice operation demonstrator connects power amplifier, the outfan of described power amplifier connects speaker, described interface circuit includes serial interface circuit and network interface circuit, and described serial interface circuit is connected with TOF camera assembly.
Further, described network interface circuit is the interface circuit arranging bluetooth or WIFI module.
Beneficial effects of the present invention:
The present invention provides a kind of blind person's guiding device, by adopting multiple TOF camera assembly surrounding to be taken pictures acquisition environmental information, multiple TOF camera assemblies are evenly distributed on fixed mount, the spatial dimension of surrounding 360 degree can be covered comprehensively, by selecting different TOF angle lenses, the camera quantity of varying number can be set, it is simple to regulates field range.
In blind person's guide provided by the invention, perceived distance 0.5-10 rice all can perception, adopt low-power circuit to realize sensing and process, measuring distance can the scope of about 10 meters at one's side.
In the present invention, the data of detection are sent in central processing unit by serial interface circuit by TOF camera assembly, by memorizer, these data are stored, the data received are analyzed processing by central processing unit simultaneously, judge whether the region of the TOF camera detection of this reception has barrier, and obtain the distance between this barrier according to the information received, control voice operation demonstrator and generate speech play content, export speaker by power amplifier blind person is guided, central processing unit arranges FPGA module can its voice content be set, the connection with external communication is realized by network interface circuit, it is powered controlling to control circuit plate and TOF camera assembly by power management module.
Accompanying drawing explanation
Fig. 1 is a kind of blind person guiding device mounting plane figure that the present invention proposes；
Fig. 2 is the described TOF camera fundamental diagram that the present invention proposes；
Fig. 3 is a kind of blind person guiding device attachment structure figure that the present invention proposes；
Fig. 4 is the described control circuit plate structured flowchart that the present invention proposes；
Fig. 5 is a kind of blind person's guiding device workflow diagram that the present invention proposes.
Shown in figure: 1, fixed mount；2, TOF camera assembly；21, TOF camera lens；22, LED light emitting diode；23, sensor core electric installation；24, camera pedestal；3, control circuit plate；4, supply module；5, speaker；6, interface circuit.
Detailed description of the invention
Referring to Fig. 1 to Fig. 3, wherein Fig. 1 is a kind of blind person guiding device mounting plane figure that the present invention proposes；Fig. 2 is the described TOF camera fundamental diagram that the present invention proposes；Fig. 3 is a kind of blind person guiding device attachment structure figure that the present invention proposes.
As shown in Figure 1 to Figure 3, a kind of blind person's guiding device, including: fixed mount 1, TOF camera assembly 2, control circuit plate 3 and supply module 4, described TOF camera assembly 2 and control circuit plate 3 are arranged on fixed mount 1, described control circuit plate 3 is connected with TOF camera assembly 2, described TOF camera assembly 2 includes camera pedestal 24, described camera pedestal 24 is fixedly installed on fixed mount 1, described camera pedestal 24 is fixedly installed TOF camera lens 21, the both sides of described TOF camera lens 21 arrange LED light emitting diode 22, described TOF camera lens 21 and LED light emitting diode 22 are connected with TOF sensor core electric installation 23, described TOF sensor core electric installation 23 is connected with control circuit plate 3, described supply module 4 is powered for TOF camera assembly 2 and control circuit plate 3.
Further, described fixed mount 1 is circular ring.
In the embodiment of the present invention, fixed mount could be arranged to difformity, it is simple to installing fixing with dressing product, fixed mount can be circular ring structure, is easily installed on medicated cap or other products that can dress, it is not necessary to additionally arrange, carry easy to use.
Further, described TOF camera assembly 2 is no less than 4, and all TOF camera assemblies 2 are evenly distributed on fixed mount and form 360 degree of angles of visual field.
In the embodiment of the present invention, by adopting multiple TOF camera assembly surrounding to be taken pictures acquisition environmental information, multiple TOF camera assemblies are evenly distributed on fixed mount, the spatial dimension of surrounding 360 degree can be covered comprehensively, by selecting different TOF angle lenses, the camera quantity of varying number can be set, it is simple to regulates field range.Preferably, adopting 4 TOF camera assemblies, the angle of visual field of every TOF camera assembly is 90 degree, and so, 4 TOF camera assemblies form 360 degree and detect without dead range.
TOF camera assembly includes optical emitting assembly, TOF camera lens, receptor, modulation module, reading modular converter and front end processing block, modulation light launched by optical emitting assembly under the control of modulation module, run into and when there is a barrier in front, after reflection, enter TOF camera lens, received by receptor and be sent in reading modular converter and carry out signal conversion, the signal changed through AD converter is delivered to and is carried out data prediction in front end processing block by reading modular converter, is sent on control circuit plate by USB interface.
In blind person's guide provided by the invention, perceived distance 0.5-10 rice all can perception, adopt low-power circuit to realize sensing and process, measuring distance can the scope of about 10 meters at one's side.
Referring to Fig. 4, it it is the described control circuit plate structured flowchart that proposes of the present invention.
As shown in Figure 4, described control circuit plate 3 arranges FPGA, voice operation demonstrator, memorizer and interface circuit 6 that central processing unit is connected with central processing unit, the outfan of described voice operation demonstrator connects power amplifier, the outfan of described power amplifier connects speaker 5, described interface circuit 6 includes serial interface circuit and network interface circuit, and described serial interface circuit is connected with TOF camera assembly.
Further, described network interface circuit is the interface circuit arranging bluetooth or WIFI module.
In the embodiment of the present invention, the data of detection are sent in central processing unit by serial interface circuit by TOF camera assembly, by memorizer, these data are stored, the data received are analyzed processing by central processing unit simultaneously, judge whether the region of the TOF camera detection of this reception has barrier, and obtain the distance between this barrier according to the information received, control voice operation demonstrator and generate speech play content, export speaker by power amplifier blind person is guided, central processing unit arranges FPGA module can its voice content be set, the connection with external communication is realized by network interface circuit, it is powered controlling to control circuit plate and TOF camera assembly by power management module.
Referring to Fig. 5, a kind of blind person's guiding device workflow diagram that the present invention proposes.
As shown in Figure 5, specific embodiment of the invention process is: after power-on is powered, system starts self-inspection, then in detection circulation, receive the acquisition process information of TOF camera assembly, image and information are carried out Treatment Analysis, result is recorded and stores, each TOF camera assembly is all done above-mentioned circulation, after the detection of all TOF camera assemblies receives, form comprehensive detection structure and provide voice message, when there being external communication to ask, process external communication is asked, otherwise, carry out next round detection circulation, system is constantly circulated detection, there is provided for user in real time and guide.
Above the present invention is described in detail, but the invention is not restricted to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, it is also possible to make a variety of changes under the premise without departing from present inventive concept.Many other can be made without departing from the spirit and scope of the present invention to change and remodeling.Should be appreciated that and the invention is not restricted to specific embodiment, the scope of the invention limits.
Claims (6)
1. blind person's guiding device, it is characterized in that, including: fixed mount (1), TOF camera assembly (2), control circuit plate (3) and supply module (4), described TOF camera assembly (2) and control circuit plate (3) are arranged on fixed mount (1), described control circuit plate (3) is connected with TOF camera assembly (2), described TOF camera assembly (2) includes camera pedestal (24), described camera pedestal (24) is fixedly installed on fixed mount (1), described camera pedestal (24) is fixedly installed TOF camera lens (21), the both sides of described TOF camera lens (21) arrange LED light emitting diode (22), described TOF camera lens (21) and LED light emitting diode (22) are connected with TOF sensor core electric installation (23), described TOF sensor core electric installation (23) is connected with control circuit plate (3), described supply module (4) is powered for TOF camera assembly (2) and control circuit plate (3).
2. a kind of blind person's guiding device according to claim 1, it is characterised in that described fixed mount (1) is circular ring.
3. a kind of blind person's guiding device according to claim 1, it is characterised in that described TOF camera assembly (2) is for multiple, and all TOF camera assemblies (2) are evenly distributed on fixed mount (1) 360 degree of angles of visual field of upper formation.
4. a kind of blind person's guiding device according to claim 3, it is characterised in that the number of described TOF camera assembly (2) is 4, and the angle of visual field of every camera is 90 degree.
5. a kind of blind person's guiding device according to claim 1, it is characterized in that, described control circuit plate (3) arranges FPGA, voice operation demonstrator, memorizer and interface circuit (6) that central processing unit is connected with central processing unit, the outfan of described voice operation demonstrator connects power amplifier, the outfan of described power amplifier connects speaker (5), described interface circuit (6) includes serial interface circuit and network interface circuit, and described serial interface circuit is connected with TOF camera assembly.
6. a kind of blind person's guiding device according to claim 5, it is characterised in that described network interface circuit is the interface circuit arranging bluetooth or WIFI module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035973.8A CN105708663A (en) | 2016-01-20 | 2016-01-20 | Blind person guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610035973.8A CN105708663A (en) | 2016-01-20 | 2016-01-20 | Blind person guide device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105708663A true CN105708663A (en) | 2016-06-29 |
Family
ID=56147375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610035973.8A Pending CN105708663A (en) | 2016-01-20 | 2016-01-20 | Blind person guide device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105708663A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6549122B2 (en) * | 2000-08-22 | 2003-04-15 | Fujitsu Siemens Computers Gmbh | Portable orientation system |
| CN101498845A (en) * | 2009-01-14 | 2009-08-05 | 长春大学 | Intelligent blind men navigation spectacles |
| CN202096415U (en) * | 2011-05-31 | 2012-01-04 | 南京信息工程大学 | Blind guide device |
| CN202605225U (en) * | 2012-04-18 | 2012-12-19 | 东南大学 | Wearable guiding device for blind person based on wireless sensor network |
| CN103345064A (en) * | 2013-07-16 | 2013-10-09 | 卫荣杰 | Cap integrated with 3D identifying and 3D identifying method of cap |
| CN104127301A (en) * | 2014-07-15 | 2014-11-05 | 深圳先进技术研究院 | Smart glasses for guiding blind person and guiding method thereof |
| CN104473717A (en) * | 2014-12-04 | 2015-04-01 | 上海交通大学 | Wearable guide apparatus for totally blind people |
| CN204468614U (en) * | 2015-03-02 | 2015-07-15 | 江南大学 | A kind of Intelligent anti-collision reminding waistband |
| JP2015213620A (en) * | 2014-05-09 | 2015-12-03 | 享司 大塚 | Walking assist device |
-
2016
- 2016-01-20 CN CN201610035973.8A patent/CN105708663A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6549122B2 (en) * | 2000-08-22 | 2003-04-15 | Fujitsu Siemens Computers Gmbh | Portable orientation system |
| CN101498845A (en) * | 2009-01-14 | 2009-08-05 | 长春大学 | Intelligent blind men navigation spectacles |
| CN202096415U (en) * | 2011-05-31 | 2012-01-04 | 南京信息工程大学 | Blind guide device |
| CN202605225U (en) * | 2012-04-18 | 2012-12-19 | 东南大学 | Wearable guiding device for blind person based on wireless sensor network |
| CN103345064A (en) * | 2013-07-16 | 2013-10-09 | 卫荣杰 | Cap integrated with 3D identifying and 3D identifying method of cap |
| JP2015213620A (en) * | 2014-05-09 | 2015-12-03 | 享司 大塚 | Walking assist device |
| CN104127301A (en) * | 2014-07-15 | 2014-11-05 | 深圳先进技术研究院 | Smart glasses for guiding blind person and guiding method thereof |
| CN104473717A (en) * | 2014-12-04 | 2015-04-01 | 上海交通大学 | Wearable guide apparatus for totally blind people |
| CN204468614U (en) * | 2015-03-02 | 2015-07-15 | 江南大学 | A kind of Intelligent anti-collision reminding waistband |
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Application publication date: 20160629 |
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| RJ01 | Rejection of invention patent application after publication |