CN206819519U - Blind person's walking roadblock alarm device - Google Patents
Blind person's walking roadblock alarm device Download PDFInfo
- Publication number
- CN206819519U CN206819519U CN201720726308.3U CN201720726308U CN206819519U CN 206819519 U CN206819519 U CN 206819519U CN 201720726308 U CN201720726308 U CN 201720726308U CN 206819519 U CN206819519 U CN 206819519U
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- Prior art keywords
- roadblock
- relay
- detector
- control circuit
- circuit
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Abstract
The utility model discloses a kind of blind person walking roadblock alarm device, including power supply, power switch, control circuit, voice guard, self-checking circuit and roadblock detector, the power switch is used to control power supply to control circuit, voice guard and the power supply of roadblock detector, self-checking circuit control voice guard after power switch closure sends sound and carries out alarm energization prompting, roadblock detector real-time detection roadblock, and send a signal to control circuit, control circuit is used for the signal for receiving roadblock detector, when detecting the signal of roadblock detector, control circuit controls voice guard to send the auditory tone cues of barrier immediately, when not detecting the signal of roadblock detector, control circuit controls voice guard to stop the auditory tone cues for sending sound or controlling voice guard to send no barrier immediately.It can fast and accurately detecting obstacles thing and human body, direct of travel obstacle information can be understood in time, survey that barrier accuracy is high, and cost is low, easy to use.
Description
Technical field
It the utility model is related to a kind of blind person and guide equipment, more particularly to a kind of blind person's walking roadblock alarm device.
Background technology
For blind person due to visual impairment, a subject matter in life is that action is limited, in the process of walking due to can not
The scene state before body is found in time and can not make appropriate judgement, such as front barrier or pedestrian occurs and other are dynamic
The scene of thing, when lacking initiative information feedback, it will often collide or be tripped, therefore safety of walking does not ensure.
The problem of direct of travel obstacle information is blind person's first concern is solved, blind person finds out obstacle by common blind man's stick in actual life
Thing information, but this method efficiency is low and expends muscle power；And the seeing-eye dog cycle of training and laundering period is longer, cost is higher, make
With not generally, therefore be badly in need of studying a kind of blind person's walking roadblock alarm device.
The content of the invention
The purpose of this utility model is the deficiency corresponding to prior art, there is provided a kind of blind person's walking roadblock alarm device,
It can fast and accurately detecting obstacles thing and human body, direct of travel obstacle information can be understood in time, it is high to survey barrier accuracy,
Cost is low, easy to use, is easy to be received by blind person, is adapted to widely popularize application.
The purpose of this utility model is realized using following proposal：A kind of blind person's walking roadblock alarm device, its feature exist
In：Including power supply, power switch, control circuit, voice guard, self-checking circuit and roadblock detector, the power switch is used
Powered in control power supply to control circuit, voice guard and roadblock detector, the self-checking circuit is used to close in power switch
Control voice guard to send sound after conjunction and carry out alarm energization prompting, the roadblock detector is used to close in power switch
Real-time detection roadblock afterwards, and control circuit is sent a signal to, the control circuit is used for the signal for receiving roadblock detector, works as inspection
Control circuit controls voice guard to send the auditory tone cues of barrier immediately when measuring the signal of roadblock detector, when not having
Control circuit controls voice guard to stop sending sound or control audible alarm immediately when detecting the signal of roadblock detector
Device sends the auditory tone cues of no barrier.
A kind of structure of self-checking circuit is：The self-checking circuit uses self-test switch, the self-test switch and audible alarm
Device is connected between positive source and power cathode.When closure self-test switch, voice guard sends sound, then it represents that alarm
Out of power or failure.Certainly, self-checking circuit also has another structure to be：The self-checking circuit includes delay circuit, described to prolong
When circuit be used for power switch closure after control voice guard be powered send sound carry out alarm be powered prompting, and up to
Voice guard power-off is controlled after to setting time.The delay circuit is used using time relay KT1, the power switch
In control time relay KT1 energization or power-off.The normally-closed contact of the time relay KT1 is connected on voice guard
Between positive source and power cathode.One end of the coil of the time relay KT1 and positive source Node connectedness, when described
Between relay KT1 one end of coil be connected with power cathode, the positive source node passes through power switch and positive source
Connection.Certainly, the delay circuit can use the time delay module that single-chip microcomputer carries.
The roadblock detector is provided with logic or circuit at least provided with two between each roadblock detector and control circuit,
Each roadblock detector sends a signal to logic or circuit, and the signal that the logic or circuit receive each roadblock detector is patrolled
Collect or computing, output control signal control to control circuit, the control circuit according to logic or the control signal of circuit output
Voice guard sends sound and carries out barrier prompt.
The logic or circuit are made up of at least two diodes, the corresponding diode of each roadblock detector, each road
The positive pole for hindering output end and the corresponding diode of detector connects, the input company of the negative pole of each diode with control circuit
Connect.
The roadblock detector is using one or both of infrared detector, ultrasonic detector.
The base stage that the control circuit includes triode Q1 and relay K1, the triode Q1 is the input of control circuit
End, the colelctor electrode of the triode Q1 and the positive pole of power supply connect, the emitter stage of the triode Q1 and relay K1 coil
One end connection, the negative pole of the other end of relay K1 coil and power supply connects, and the relay K1 is used to control sound report
The energization or power-off of alert device.Relay K1 normally opened contact K1-1 and voice guard be connected on positive source and power cathode it
Between.The both ends of the coil of the relay K1 are parallel with resistance.
This blind person walking roadblock alarm device also includes single-chip microcomputer.The utility model can set single-chip microcomputer, can not also set
Put single-chip microcomputer.When the utility model sets single-chip microcomputer, the single-chip microcomputer is arranged between triode Q1 and relay K1, described
The input of single-chip microcomputer and the emitter stage of triode are connected, and the emitter stage of triode is connected through resistance with power cathode, the list
The output end of piece machine is connected with relay K1 coils, and the single-chip microcomputer is used for the energization or power-off of control relay K1 coils.Institute
The output end for stating single-chip microcomputer is connected with one end of relay K1 coils, and the other end of relay K1 coils is connected with power cathode.
This blind person roadblock alarm device of walking also includes presentation of information board or/and indicator lamp, the control circuit also including after
Electrical equipment K2 and time relay KT2, the coil of the relay K2, relay K1 normally opened contact K1-2, time relay KT2
Normally-closed contact be connected between positive source and power cathode, relay K2 normally opened contact K2-1's and relay K1 is normally opened
Contact K1-2 is in parallel, realizes circuit self-locking, and the relay K2 is used for control time relay KT2, presentation of information board, indicator lamp
Energization or power-off, using time relay KT2, can be worked when detecting barrier with control information display board, indicator lamp
Powered off after setting time such as 5S, saving power supply can be reached.
The coil of the time relay KT2 is connected on positive source and power supply with relay K2 normally opened contact such as K2-2
Between negative pole.Presentation of information board and relay K2 normally opened contact such as K2-2 are connected between positive source and power cathode.Refer to
Show that lamp and relay K2 normally opened contact are connected between positive source and power cathode.
Described information display board or/and indicator lamp can be controlled by single-chip microcomputer, can not also be controlled by single-chip microcomputer.When
Between relay KT1, KT2 can use the delay procedure that carry of single-chip microcomputer.
This blind person walking roadblock alarm device also includes presentation of information board or/and indicator lamp, and the power switch is used to control
Power supply is powered to presentation of information board, indicator lamp, and the power switch is used for the energization or disconnected of control information display board, indicator lamp
Electricity.
Voice guard can use buzzer, sound broadcast device.Described information display board is used to show word, pattern etc.
Information, such as tell that I is blind person to pedestrian, please avoid.
The power supply uses battery.
The utility model can also set real-time clock module, and the temporal information of real-time clock module passes through sound broadcast device
Notify blind person.The utility model can also set d GPS locating module, and the location information of d GPS locating module passes through sound broadcast device
Notify blind person.The utility model can carry out alarm only with buzzer, but can be set according to being actually needed for blind person
Put sound broadcast device, presentation of information board, real-time clock module, d GPS locating module etc. and make it that the utility model function is more complete.
The utility model this have the advantage that：Due to this blind person walking roadblock alarm device, including power supply, power switch, control
Circuit, voice guard, self-checking circuit and roadblock detector processed, the power switch are used to control power supply to control circuit, sound
Sound alarm, self-checking circuit and the power supply of roadblock detector, the self-checking circuit are used to control sound report after power switch closure
Alert device sends sound and carries out energization prompting.Turn on the power switch, this alarm is started working, and buzzer is powered, and begins to send out
Sound, prompt blind person's alarm to have electricity and normal work, do not rung if turning on the power switch rear buzzer, then it represents that alarm does not have
Electricity breaks down.After power switch is opened, time relay KT1 coil electricity, time relay KT1 starts timing, when
Reach time relay KT1 setting time（It could be arranged to 2S）, time relay KT1 normally-closed contact disconnection, buzzer
Power-off, stopping send sound.
The roadblock detector is used for the real-time detection roadblock after power switch closure, and sends a signal to control circuit,
The control circuit is used for the signal for receiving roadblock detector, and control voice guard sends sound and carries out barrier prompt.Electricity
Source switch is powered after opening to roadblock detector, roadblock detector real-time detection roadblock, and the roadblock detector of the present embodiment is two
Individual, when at least one roadblock detector in two roadblock detectors receives obstacle signal, logic or circuit output are high
Base stage of the level signal to triode, triode ON, relay K1 coil electricity, relay K1 normally opened contact K1-1 are closed
Closing, buzzer rings, when two roadblock detectors all do not receive obstacle signal, logic or circuit output low level signal
To the base stage of triode, triode is not turned on, relay K1 coil no power, and relay K1 normally opened contact K1-1 disconnects,
Buzzer does not ring.For the utility model when roadblock detector is detected with roadblock, buzzer sends sound immediately, when blind person turns to
Or roadblock, when removing, buzzer stops sending sound immediately so that the utility model can understand direct of travel barrier in time
Information, and barrier accuracy height is surveyed, cost is low, easy to use, is easy to be received by blind person, is adapted to widely popularize application.
Brief description of the drawings
Fig. 1 is the theory diagram of the embodiment 1 of blind person of the present utility model walking roadblock alarm device；
Fig. 2 is the physical circuit figure of the embodiment 1 of blind person of the present utility model walking roadblock alarm device；
Fig. 3 is the theory diagram of the embodiment 2 of blind person of the present utility model walking roadblock alarm device；
Fig. 4 is the physical circuit figure of the embodiment 2 of blind person of the present utility model walking roadblock alarm device；
Fig. 5 is the physical circuit figure of the embodiment 4 of blind person of the present utility model walking roadblock alarm device.
Embodiment
Embodiment 1
Referring to Fig. 1 and Fig. 2, a kind of blind person's walking roadblock alarm device, it is characterised in that：Including power supply, power switch, control
Circuit, voice guard, self-checking circuit and roadblock detector, the power switch are used to control power supply to control circuit, sound
Alarm and the power supply of roadblock detector, the self-checking circuit are used for the control voice guard after power switch closure and send sound
Alarm energization prompting is carried out, the roadblock detector is used for the real-time detection roadblock after power switch closure, and sends signal
To control circuit, the control circuit is used for the signal for receiving roadblock detector, when the signal time control for detecting roadblock detector
Circuit processed controls voice guard to send the auditory tone cues of barrier immediately, when not detecting the signal of roadblock detector
Control circuit controls voice guard to stop sending sound or controlling voice guard to send the sound of no barrier carrying immediately
Show.
The self-checking circuit includes delay circuit, and the delay circuit is used to control audible alarm after power switch closure
Device, which is powered, sends sound progress alarm energization prompting, and voice guard power-off is controlled after setting time is reached.It is described to prolong
When circuit use time relay KT1, the power switch is used for control time relay KT1 energization or power-off.When described
Between relay KT1 normally-closed contact and voice guard be connected between positive source and power cathode.The time relay
One end of KT1 coil and positive source Node connectedness, one end and the power cathode of the coil of the time relay KT1 connect
Connect, the positive source node is connected by power switch with positive source.Certainly, the time relay KT1 of self-checking circuit can
With the time delay module carried using single-chip microcomputer.
The roadblock detector is using one or both of infrared detector, ultrasonic detector.The roadblock detection
Device is provided with logic or circuit at least provided with two between each roadblock detector and control circuit, each roadblock detector sends out signal
Logic or circuit are given, the signal that the logic or circuit receive each roadblock detector carries out logic or computing, output control letter
Control circuit number is given, the control circuit sends sound according to logic or the control signal of circuit output, control voice guard
Carry out barrier prompt.
The logic or circuit are made up of at least two diodes, the corresponding diode of each roadblock detector, each road
The positive pole for hindering output end and the corresponding diode of detector connects, the input company of the negative pole of each diode with control circuit
Connect.
The base stage that the control circuit includes triode Q1 and relay K1, the triode Q1 is the input of control circuit
End, the colelctor electrode of the triode Q1 and the positive pole of power supply connect, the emitter stage of the triode Q1 and relay K1 coil
One end connection, the negative pole of the other end of relay K1 coil and power supply connects, and the relay K1 is used to control sound report
The energization or power-off of alert device.The present embodiment relay K1 normally opened contact K1-1 is connected on positive source and electricity with voice guard
Between the negative pole of source.The both ends of the coil of the relay K1 are parallel with resistance.
This blind person roadblock alarm device of walking also includes presentation of information board or/and indicator lamp, the control circuit also including after
Electrical equipment K2 and time relay KT2, the coil of the relay K2, relay K1 normally opened contact K1-2, time relay KT2
Normally-closed contact be connected between positive source and power cathode, relay K2 normally opened contact K2-1's and relay K1 is normally opened
Contact K1-2 is in parallel, realizes circuit self-locking, and the relay K2 is used for control time relay KT2, presentation of information board, indicator lamp
Energization or power-off.The normally opened contact such as K2-2 of time relay KT2 coil described in the present embodiment and relay K2 is connected on
Between positive source and power cathode.Presentation of information board and relay K2 normally opened contact such as K2-2 are connected on positive source and electricity
Between the negative pole of source.Indicator lamp and relay K2 normally opened contact are connected between positive source and power cathode.
Voice guard can use buzzer, sound broadcast device.Described information display board is used to show word, pattern etc.
Information.The power supply uses battery.The utility model can also set real-time clock module, and the utility model can also be set
D GPS locating module.The utility model can also set real-time clock module, and the temporal information of real-time clock module is broadcast by sound
Report device notifies blind person.The utility model can also set d GPS locating module, and the location information of d GPS locating module is broadcast by sound
Report device notifies blind person.The real-time clock module, d GPS locating module and sound broadcast device connect, and the sound broadcast device is used for
Report time and positioning address information.
The operation principle of the present embodiment is：SA is turned on the power switch, this alarm is started working, and buzzer is powered, and opens
Sound is originated out, prompts blind person's alarm to have electricity and normal work, is not rung if turning on the power switch buzzer after SA, then it represents that
Alarm out of power or failure.After power switch SA is opened, time relay KT1 coil electricity, time relay KT1 is opened
Beginning timing, when reached between relay KT1 setting time（It could be arranged to 2S）, time relay KT1 normally-closed contact breaks
Open, buzzer power-off, stopping sends sound.
Power switch SA powers after opening to roadblock detector, roadblock detector real-time detection roadblock, the road of the present embodiment
It is two to hinder detector, when at least one roadblock detector in two roadblock detectors receives obstacle signal, logic
Or base stage of the circuit output high level signal to triode, triode ON, relay K1 coil electricity, relay K1's is normal
Contact K1-1 closures are opened, buzzer rings, and when two roadblock detectors all do not receive obstacle signal, logic or circuit are defeated
Go out base stage of the low level signal to triode, triode is not turned on, relay K1 coil no power, and the normally opened of relay K1 touches
Point K1-1 disconnects, and buzzer does not ring.For the utility model when roadblock detector is detected with roadblock, buzzer sends sound immediately
Sound, when blind person is turned to or roadblock is removed, buzzer stops sending sound immediately so that the utility model can understand row in time
Enter direction obstacle information, survey barrier accuracy height, cost is low, easy to use, is easy to be received by blind person, is adapted to widely popularize and answers
With.
Embodiment 2
Referring to Fig. 3 and Fig. 4, this blind person walking roadblock alarm device also includes presentation of information board or/and indicator lamp, the power supply
Switch for controlling power supply to be powered to presentation of information board, indicator lamp, the power switch is used for control information display board, indicator lamp
Energization or power-off.I.e. presentation of information board, the both ends of indicator lamp are connected by power switch with positive source, negative pole.This reality
The other technical characteristics for applying example are same as Example 1.
Embodiment 3
This blind person roadblock alarm device of walking also includes single-chip microcomputer, the single-chip microcomputer be arranged on triode Q1 and relay K1 it
Between, the input of the single-chip microcomputer and the emitter stage of triode are connected, and the emitter stage of triode is connected through resistance with power cathode,
The output end of the single-chip microcomputer is connected with relay K1 coils, and the single-chip microcomputer is used for the energization or disconnected of control relay K1 coils
Electricity.The output end of the single-chip microcomputer is connected with one end of relay K1 coils, the other end and power cathode of relay K1 coils
Connection.Described information display board or/and indicator lamp can be controlled by single-chip microcomputer, can not also be controlled by single-chip microcomputer.Time
Relay KT1, KT2 can also use the delay procedure that single-chip microcomputer carries.The real-time clock module, d GPS locating module and list
Piece machine is connected, and single-chip microcomputer is connected with sound broadcast device, and the sound broadcast device is used to report time and positioning address information.This reality
The other technical characteristics for applying example are identical with embodiment 1 or embodiment 2.
Embodiment 4
Referring to Fig. 5, the self-checking circuit is connected on electricity using self-test switch SB, the self-test switch SB with voice guard
Between source positive pole and power cathode.When closure self-test switch, voice guard sends sound, then it represents that alarm out of power or appearance
Failure.The other technical characteristics of the present embodiment are same as Example 1.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, it is clear that this area
Technical staff can to the utility model carry out it is various change and modification without departing from spirit and scope of the present utility model.This
Sample, if these modifications and variations of the present utility model belong to the utility model claims and its equivalent technologies scope it
Interior, then the utility model is also intended to comprising including these changes and modification.
Claims (10)
- The roadblock alarm device 1. a kind of blind person walks, it is characterised in that：Including power supply, power switch, control circuit, audible alarm Device, self-checking circuit and roadblock detector, the power switch are used to control power supply to visit to control circuit, voice guard and roadblock Device power supply is surveyed, the self-checking circuit carries out alarm energization for controlling voice guard to send sound after power switch closure Prompting, the roadblock detector is used for the real-time detection roadblock after power switch closure, and sends a signal to control circuit, described Control circuit is used to receive the signal of roadblock detector, the control circuit control sound immediately when detecting the signal of roadblock detector Sound alarm sends the auditory tone cues of barrier, and when not detecting the signal of roadblock detector, control circuit controls immediately Voice guard stops the auditory tone cues for sending sound or controlling voice guard to send no barrier.
- The roadblock alarm device 2. blind person according to claim 1 walks, it is characterised in that：The self-checking circuit includes delay electricity Road, the delay circuit carry for controlling voice guard energization to send sound progress alarm energization after power switch closure Show, and voice guard power-off is controlled after setting time is reached.
- The roadblock alarm device 3. blind person according to claim 1 walks, it is characterised in that：The self-checking circuit is opened including self-test Close, the self-test switch and voice guard are connected between positive source and power cathode.
- The roadblock alarm device 4. blind person according to claim 1 walks, it is characterised in that：The roadblock detector at least provided with Two, be provided with logic or circuit between each roadblock detector and control circuit, each roadblock detector send a signal to logic or The signal that circuit, the logic or circuit receive each roadblock detector carries out logic or computing, and output control signal gives control electricity Road, the control circuit send sound and carry out barrier according to logic or the control signal of circuit output, control voice guard Prompting.
- The roadblock alarm device 5. blind person according to claim 4 walks, it is characterised in that：The logic or circuit are by least two Individual diode composition, the corresponding diode of each roadblock detector, output end and the corresponding diode of each roadblock detector Positive pole connection, the negative pole of each diode is connected with the input of control circuit.
- The roadblock alarm device 6. the blind person according to claim 1 or 4 walks, it is characterised in that：The roadblock detector uses One or both of infrared detector, ultrasonic detector.
- The roadblock alarm device 7. blind person according to claim 1 walks, it is characterised in that：The control circuit includes triode Q1 and relay K1, the triode Q1 base stage be control circuit input, the colelctor electrode and power supply of the triode Q1 Positive pole connection, the emitter stage of the triode Q1 is connected with one end of relay K1 coil, relay K1 coil it is another The negative pole of one end and power supply connects, and the relay K1 is used for the energization or power-off for controlling voice guard, the relay K1 The both ends of coil be parallel with resistance.
- The roadblock alarm device 8. blind person according to claim 7 walks, it is characterised in that：Also include single-chip microcomputer, the monolithic Machine is arranged between triode Q1 and relay K1, and the input of the single-chip microcomputer and the emitter stage of triode connect, triode Emitter stage be connected through resistance with power cathode, the output end of the single-chip microcomputer is connected with relay K1 coils, the single-chip microcomputer Energization or power-off for control relay K1 coils.
- The roadblock alarm device 9. blind person according to claim 7 walks, it is characterised in that：Also include presentation of information board or/and Indicator lamp, the control circuit also include relay K2 and the time relay KT2, the relay K2 coil, relay K1 Normally opened contact K1-2, time relay KT2 normally-closed contact be connected between positive source and power cathode, relay K2's Normally opened contact K2-1 is in parallel with relay K1 normally opened contact K1-2, circuit self-locking is realized, when the relay K2 is used to control Between relay KT2, presentation of information board, indicator lamp energization or power-off.
- The roadblock alarm device 10. blind person according to claim 1 walks, it is characterised in that：Also include presentation of information board or/and Indicator lamp, the power switch are used to control power supply to power to presentation of information board, indicator lamp, and the power switch, which is used to control, to be believed Cease the energization or power-off of display board, indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720726308.3U CN206819519U (en) | 2017-06-21 | 2017-06-21 | Blind person's walking roadblock alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720726308.3U CN206819519U (en) | 2017-06-21 | 2017-06-21 | Blind person's walking roadblock alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206819519U true CN206819519U (en) | 2017-12-29 |
Family
ID=60761122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720726308.3U Expired - Fee Related CN206819519U (en) | 2017-06-21 | 2017-06-21 | Blind person's walking roadblock alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206819519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447224A (en) * | 2018-04-04 | 2018-08-24 | 吴旌旗 | A kind of backward stroll radar device |
-
2017
- 2017-06-21 CN CN201720726308.3U patent/CN206819519U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447224A (en) * | 2018-04-04 | 2018-08-24 | 吴旌旗 | A kind of backward stroll radar device |
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Granted publication date: 20171229 Termination date: 20190621 |