CN203634443U - Multifunctional walking stick used by blind person - Google Patents
Multifunctional walking stick used by blind person Download PDFInfo
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- CN203634443U CN203634443U CN201320893755.XU CN201320893755U CN203634443U CN 203634443 U CN203634443 U CN 203634443U CN 201320893755 U CN201320893755 U CN 201320893755U CN 203634443 U CN203634443 U CN 203634443U
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- strut
- outfan
- blind person
- ultrasonic sensor
- control module
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Abstract
The utility model provides a multifunctional walking stick used by a blind person, and belongs to the technical field of walking sticks used by blind persons. The walking stick solves the problems that in the prior art, it is dangerous for the blind person to walk outside at night if the blind person uses a traditional walking stick for the blind person, and the detection range of the traditional waling stick for the blind person is too small. The walking stick comprises a supporting rod, an electronic control unit, a battery and a handle, wherein the electronic control unit comprises a buzzer arranged on the supporting rod, a plurality of LED lamps, a light sensor, an ultrasonic wave sensor, a drive circuit arranged in the handle, an amplifying circuit and a control module. The light sensor and the ultrasonic wave sensor are connected with the input end of the control module, the input end of the drive circuit is connected with the output end of the control module, the input end of the amplifying circuit is connected with the output end of the drive circuit, the output end of the amplifying circuit is connected with the buzzer, and the LED lamps are connected with the output end of the control module. The walking stick can automatically start the LED lamps when the light is dim and can remind the blind person if a barrier is in front of the blind person.
Description
Technical field
This utility model belongs to blind-man crutch technical field, relates to a kind of multifunctional blind crutch.
Background technology
Blind person is group comparatively huge in we social group, and due to the particularity of this colony, they can not observe this world with eyes as normal person, and therefore this has become maximum obstacle in their life.Due to blind person's particularity, their trip will be very inconvenience, although be also provided with the blind person's passage that allows specially blind person use in social communal facility, also on blind person's passage, have barrier unavoidably, allow blind person be too late to dodge to threaten blind person's personal safety.Blind person goes on a journey and generally can distinguish road conditions by crutch, although crutch can help blind person's trip to a certain extent, but the existence that night, blind person had no idea effectively to warn other people outside time oneself be cannot see again in addition, therefore has certain potential safety hazard.
For this reason, the crutch for blind person that the disclosed patent No. of Chinese patent literature is CN201120114004.4, it comprises strut, the blind-man crutch of handle composition, in the strut of crutch, battery is installed, show to have installed switch and light-emitting component LED lamp at strut, battery connects by switch the LED lamp of giving out light.This blind-man crutch can be after pressing switch night the light warning of LED lamp other people, allow other people have enough time to hide the blind person of trip, so just make blind safety trip.But blind person oneself can not press switch accurately at night, therefore this blind-man crutch is practical not, and the scope that this blind-man crutch is surveyed is only limited to the area that crutch length can be touched, cannot accurate and effective differentiate the barrier on road, there is potential safety hazard.
Summary of the invention
There are the problems referred to above for existing technology in this utility model, has proposed a kind of multifunctional blind crutch, and this multifunctional blind crutch can automatically be opened LED lamp and can shift to an earlier date reminding blind front whether have barrier when light is dark.
This utility model is realized by following technical proposal: a kind of multifunctional blind crutch, comprise strut and the hands handle being connected mutually with strut top, it is characterized in that, this blind-man crutch also comprises electronic control unit and is arranged on the battery to electronic control unit power supply in strut, electronic control unit comprises the buzzer being arranged on strut, some LED lamps, for respond to and send the optical inductor of light intensity signal and for detection of and send the ultrasonic sensor of strut and front obstacle distance signal, electronic control unit also comprises the drive circuit being arranged in handle, amplifying circuit and for receiving light intensity signal and strut and front obstacle distance signal and sending the control module of control signal, the input of described optical inductor and ultrasonic sensor link control module, the outfan of the input link control module of described drive circuit, the input of described amplifying circuit connects the outfan of drive circuit, the outfan of described amplifying circuit connects buzzer, the outfan of described LED lamp link control module.
In the time that this blind-man crutch is in running order, blind person not only can look oneself and hold crutch handle, control strut and distinguish road conditions, and battery powers to electronic control unit, and electronic control unit is started working, and guarantees the safety that blind person goes on a journey.Electronic control unit is started working, and optical inductor and ultrasonic sensor start to detect.Optical inductor induction ambient light line strength, and send light intensity signal to control module, control module is analyzed judgement to this signal, draws whether open LED lamp; Ultrasonic sensor detects strut and front obstacle distance, and send strut and front obstacle distance signal to control module, control module obtains the distance of strut and front barrier according to this signal, transmit control signal to drive circuit according to the far and near control module of this distance, drive circuit makes buzzer carry out work with corresponding prompting sound frequency according to control signal control amplifying circuit, when there is no barrier in ultrasonic sensor detection range, control module is not controlled buzzer and is sent the sound.LED lamp light the existence that can warn other people blind person, buzzer sends the different sounds can reminding blind and the distance distance of front barrier, has so just guaranteed the safety of blind person's trip.
In above-mentioned multifunctional blind crutch, described control module comprises single-chip microcomputer and on-off circuit, the input of described on-off circuit connects the outfan of single-chip microcomputer, the outfan of described on-off circuit connects LED lamp, the outfan of described optical inductor is connected the input of single-chip microcomputer with the outfan of ultrasonic sensor, the input of described drive circuit connects the outfan of single-chip microcomputer.Single-chip microcomputer is according to the signal that receives ultrasonic sensor and optical inductor transmission, and the light on and off of control LED lamp and buzzer send out the frequency of prompting sound.
In above-mentioned multifunctional blind crutch, described ultrasonic sensor is arranged on the outer surface of strut middle and upper part, and the probe of described ultrasonic sensor becomes 45 degree to 75 degree angles down with strut.The such setting of probe of ultrasonic sensor not only can detect barrier less on road but also barrier larger on road can be detected, and the barrier guaranteeing before complete detection blind person ensures blind person's safety.
In above-mentioned multifunctional blind crutch, the strut outer surface below ultrasonic sensor arranges a row LED lamp, and on the opposing strut outer surface of this row LED lamp, is provided with another row LED lamp, and this two rows LED lamp is respectively along the length direction setting of strut.When two row LED lamps light, emit forwards, backwards light and warn other people, ensure blind person's safety.
In above-mentioned multifunctional blind crutch, the strut outer surface of described some LED lamps below ultrasonic sensor arranges along strut length direction spiral.LED lamp arranges like this, when LED lamp light warning other people time can send light to crutch surrounding, good warning effect.
In above-mentioned multifunctional blind crutch, described strut top outer surface is provided with the main switch for Switching Power Supply, and described main switch connects respectively battery and electronic control unit.In the time using this blind-man crutch, can make electronic control unit energising work by main switch, while use, close electronic control unit by main switch.
Compared with prior art, this multifunctional blind crutch has the following advantages:
1, LED lamp be opened or be closed to this utility model can automatically according to extraneous light intensity, by make the existence that can warn other people blind person that lights of LED lamp in the time that light is dark, and the safety of protection blind person under night or other dark situations.
2, this utility model can increase the detection range of barrier, and according to from the different control buzzers of distance of barrier with different frequency work, so just reminding blind is hidden in advance, guarantees blind person's personal safety.
Brief description of the drawings
Fig. 1 is the structural representation of this utility model embodiment mono-.
Fig. 2 is electronic control unit internal structure connection diagram of the present utility model.
In figure, 1, strut; 2, hands handle; 3, control module; 4, battery; 5, single-chip microcomputer; 6, drive circuit; 7, amplifying circuit; 8, on-off circuit; 9, optical inductor; 10, ultrasonic sensor; 11, buzzer; 12, LED lamp; 13, main switch.
Detailed description of the invention
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiment.
Embodiment mono-:
As shown in Figure 1 and Figure 2, this multifunctional blind crutch comprises strut 1 and the handle 2 being connected mutually with strut 1 top, and this multifunctional blind crutch also comprises electronic control unit and be arranged in strut 1 to the battery 4 of electronic control unit power supply, and battery 4 is detachable.Strut 1 top outer surface is provided with the main switch 13 for Switching Power Supply, and main switch 13 connects respectively battery 4 and electronic control unit.
Electronic control unit comprise the buzzer 11 being arranged on strut 1, some LED lamps 12, for respond to and send the optical inductor 9 of light intensity signal and for detection of and send the ultrasonic sensor 10 of strut 1 and front obstacle distance signal.Ultrasonic sensor 10 is arranged on the outer surface of strut 1 middle and upper part, the probe of ultrasonic sensor 10 down with 1 one-tenth 45 degree of strut to 75 degree angles, the probe of optimum state ultrasonic sensor 10 down with 1 one-tenth 60 degree angle of strut, strut 1 outer surface of some LED lamps 12 below ultrasonic sensor 10 along strut 1 length direction spiral arrange.Electronic control unit also comprises the drive circuit 6 that is arranged in handle 2, amplifying circuit 7 and for receiving light intensity signal and strut and front obstacle distance signal and sending the control module 3 of control signal.
The input of optical inductor 9 and ultrasonic sensor 10 link control modules 3, the outfan of the input link control module 3 of drive circuit 6, the input of amplifying circuit 7 connects the outfan of drive circuit 6, the outfan of amplifying circuit 7 connects buzzer 11, the outfan of LED lamp 12 link control modules 3.Control module 3 comprises single-chip microcomputer 5 and on-off circuit 8, the input of on-off circuit 8 connects the outfan of single-chip microcomputer 5, the outfan of on-off circuit 8 connects LED lamp 12, the outfan of optical inductor 9 is connected the input of single-chip microcomputer 5 with the outfan of ultrasonic sensor 10, the input of drive circuit 6 connects the outfan of single-chip microcomputer 5.Control module 3 can comprise separately single-chip microcomputer 5, is directly controlled the light on and off of LED lamp 12 by single-chip microcomputer 5.
Below work process of the present utility model:
As long as press main switch 13 in the time that blind person uses the trip of this blind-man crutch, conducting between battery 4 and electronic control unit, electronic control unit obtains electric starting working.Now blind person not only can look oneself and hold crutch handle 2, control strut 1 and distinguish road conditions, and electronic control unit starts working and carry out detection to road conditions and take to remind other people or blind person's oneself measure according to road conditions, guarantee the safety that blind person goes on a journey.
Electronic control unit is started working, and optical inductor 9 and ultrasonic sensor 10 start to detect in real time.Optical inductor 9 is responded to ambient light line strength, and sends light intensity signal to single-chip microcomputer 5.In single-chip microcomputer 5, be preset with a light intensity threshold value, when single-chip microcomputer 5 receives the light intensity signal that optical inductor 9 sends, single-chip microcomputer 5 is processed afterwards by this signal and light intensity threshold value compares, the ambient light line strength sensing when optical inductor 9 is during lower than light intensity threshold value, show that extraneous light is very weak, now single-chip microcomputer 5 transmits control signal being connected to on-off circuit 8 gauge tap circuit 8 conducting LED lamps 12 and battery 4.LED lamp 12 electric strut 1 surrounding that lights backward blind-man crutch be sent light, hide blind person after making other people can see warning, play the safety of other people effect protection blind persons of good warning under night or other dark situations.On-off circuit 8 can adopt relay switching circuit, transistor switching circuit etc.
Ultrasonic sensor 10 is started working with optical inductor 9 simultaneously.Ultrasonic sensor 10 due to be arranged on the outer surface of strut 1 middle and upper part and probe down with 1 one-tenth 60 degree angle of strut (when blind person holds handle 2, ultrasonic sensor 10 is towards blind person's dead ahead), the barrier that therefore can guarantee before complete detection blind person ensures blind person's safety.Ultrasonic sensor 10 detects strut 1 and front obstacle distance, and send strut 1 with front obstacle distance signal to single-chip microcomputer 5, in single-chip microcomputer 5, be preset with between the distance regions of some struts 1 and front obstacle distance and with described distance regions between corresponding some buzzers 11 send the frequency of prompting sound, single-chip microcomputer 5 receives after the signal that ultrasonic sensor 10 sends and processes and obtain the distance of strut 1 and front barrier and judge between the residing distance regions of this distance, by the frequency that obtains buzzer 11 between residing distance regions and should send prompting sound, now single-chip microcomputer 5 sends control signal to drive circuit 6, drive circuit 6 makes buzzer 11 carry out work with corresponding prompting sound frequency according to control signal control amplifying circuit 7.Nearer with the distance of front barrier when strut 1, it is faster that buzzer 11 sends the frequency of prompting sound, and blind person can determine the nearer of own and barrier according to the frequency of buzzer, facilitates blind person to carry out hiding barrier.When there is no barrier in ultrasonic sensor 10 detection ranges, single-chip microcomputer 5 is not controlled buzzer 11 and is sent prompting sound.
The in the situation that of night or extraneous insufficient light, the LED lamp 12 of this blind-man crutch lights automatically, can warn like this other people blind person's existence, simultaneously also just increase the detection range of blind-man crutch owing to having increased ultrasonic sensor 10, sending sound frequency speed by buzzer 11 just can reminding blind and the distance distance of front barrier, and blind person can be hidden barrier.By above-mentioned two kinds of functions, this blind-man crutch can be guaranteed the safety that blind person goes on a journey.
Embodiment bis-:
Embodiment bis-is basic identical with principle and the structure of embodiment mono-, its structure difference is, strut 1 outer surface below ultrasonic sensor 10 arranges a row LED lamp 12, with on opposing strut 1 outer surface of this row LED lamp 12, be provided with another row LED lamp 12, this two rows LED lamp 12 is respectively along the length direction setting of strut 1.When two row LED lamps 12 light, emit forwards, backwards light and warn other people, ensure blind person's safety.
Specific embodiment described herein is only to the explanation for example of this utility model spirit.This utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as strut 1, handle 2, control module 3, battery 4, single-chip microcomputer 5, drive circuit 6, amplifying circuit 7, on-off circuit 8, optical inductor 9, ultrasonic sensor 10, buzzer 11, LED lamp 12, main switch 13 herein, do not got rid of the probability that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with this utility model spirit.
Claims (6)
1. a multifunctional blind crutch, comprise strut (1) and the handle (2) being connected mutually with strut (1) top, it is characterized in that, this blind-man crutch also comprises electronic control unit and is arranged on the battery (4) to electronic control unit power supply in strut (1), electronic control unit comprises the buzzer (11) being arranged on strut (1), some LED lamps (12), for respond to and send the optical inductor (9) of light intensity signal and for detection of and send the ultrasonic sensor (10) of strut (1) and front obstacle distance signal, electronic control unit also comprises the drive circuit (6) being arranged in handle (2), amplifying circuit (7) and for receiving light intensity signal and strut (1) and front obstacle distance signal and sending the control module (3) of control signal, the input of described optical inductor (9) and ultrasonic sensor (10) link control module (3), the outfan of the input link control module (3) of described drive circuit (6), the input of described amplifying circuit (7) connects the outfan of drive circuit (6), the outfan of described amplifying circuit (7) connects buzzer (11), the outfan of described LED lamp (12) link control module (3).
2. multifunctional blind crutch according to claim 1, it is characterized in that, described control module (3) comprises single-chip microcomputer (5) and on-off circuit (8), the input of described on-off circuit (8) connects the outfan of single-chip microcomputer (5), the outfan of described on-off circuit (8) connects LED lamp (12), the outfan of described optical inductor (9) is connected the input of single-chip microcomputer (5) with the outfan of ultrasonic sensor (10), the input of described drive circuit (6) connects the outfan of single-chip microcomputer (5).
3. multifunctional blind crutch according to claim 1 and 2, it is characterized in that, described ultrasonic sensor (10) is arranged on the outer surface of strut (1) middle and upper part, and the probe of described ultrasonic sensor (10) becomes 45 degree to 75 degree angles down with strut (1).
4. multifunctional blind crutch according to claim 3, it is characterized in that, strut (1) outer surface in ultrasonic sensor (10) below arranges a row LED lamp (12), with on opposing strut (1) outer surface of this row LED lamp (12), be provided with another row's LED lamp (12), this two row's LED lamp (12) is respectively along the length direction setting of strut (1).
5. multifunctional blind crutch according to claim 3, is characterized in that, described some LED lamps (12) arrange along strut (1) length direction spiral at strut (1) outer surface of ultrasonic sensor (10) below.
6. multifunctional blind crutch according to claim 1, is characterized in that, described strut (1) top outer surface is provided with the main switch (13) for Switching Power Supply, and described main switch (13) connects respectively battery (4) and electronic control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893755.XU CN203634443U (en) | 2013-12-31 | 2013-12-31 | Multifunctional walking stick used by blind person |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893755.XU CN203634443U (en) | 2013-12-31 | 2013-12-31 | Multifunctional walking stick used by blind person |
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| Publication Number | Publication Date |
|---|---|
| CN203634443U true CN203634443U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320893755.XU Expired - Fee Related CN203634443U (en) | 2013-12-31 | 2013-12-31 | Multifunctional walking stick used by blind person |
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| CN (1) | CN203634443U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104770951A (en) * | 2015-05-07 | 2015-07-15 | 北京大学深圳医院 | Light-adjustable intelligent walking stick with colored lamp strings |
| CN105708662A (en) * | 2014-12-04 | 2016-06-29 | 上海市格致中学 | Infrared crutch and sunglasses for blind person |
-
2013
- 2013-12-31 CN CN201320893755.XU patent/CN203634443U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105708662A (en) * | 2014-12-04 | 2016-06-29 | 上海市格致中学 | Infrared crutch and sunglasses for blind person |
| CN104770951A (en) * | 2015-05-07 | 2015-07-15 | 北京大学深圳医院 | Light-adjustable intelligent walking stick with colored lamp strings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |