CN207082218U - A kind of intelligent sidewalk for visually impaired people acoustic control system for prompting - Google Patents
A kind of intelligent sidewalk for visually impaired people acoustic control system for prompting Download PDFInfo
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- CN207082218U CN207082218U CN201720916046.7U CN201720916046U CN207082218U CN 207082218 U CN207082218 U CN 207082218U CN 201720916046 U CN201720916046 U CN 201720916046U CN 207082218 U CN207082218 U CN 207082218U
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Abstract
It the utility model is related to a kind of intelligent sidewalk for visually impaired people acoustic control system for prompting, including induction installation, energy storage device and at least one alarm set；The induction installation is arranged on below people's row sidewalk for visually impaired people, and the alarm set is arranged on the prompting region of people's row sidewalk for visually impaired people, and the induction installation electrically connects with the energy storage device and alarm set respectively；The induction installation includes multigroup inductive component, and multigroup inductive component is arranged in parallel along people's row sidewalk for visually impaired people matrix arrangement, and multigroup inductive component electrically connects with the energy storage device.Mechanical energy during blind person's walking is converted into electric energy by induction installation and passes through accumulators store by the utility model, battery is triggered when blind person walks to and reminds region to power for acoustic control system for prompting, realize that the acoustic control of people's row sidewalk for visually impaired people specific region is reminded, provide and accurately guide for the trip of blind person, significantly improve the convenience and security of blind person's trip.
Description
Technical field
It the utility model is related to road traffic technical field, more particularly to a kind of intelligent sidewalk for visually impaired people acoustic control system for prompting.
Background technology
With the progress of civilization of human society, attention rate more and more higher of the whole society to physical disabilities.The cloth of means of transportation
Put and also consider the trip for being easy to physical disabilities, the accessible facilities being such as seen everywhere and sidewalk for visually impaired people, braille identification label further.Pass
Prompting and indicative function are played in people's row sidewalk for visually impaired people of system by designing different concaveconvex structures, but because concaveconvex structure difference in sidewalk for visually impaired people is tired
There are the abnormal failures such as breakage in difficulty, some road surface sidewalk for visually impaired people, cause accurately to pass on reminded contents, and actual miscellaneous function is limited.
Especially function is distinguished in the places such as some traffic intersections, bus platform, overpass or ramp, the concaveconvex structure of sidewalk for visually impaired people itself
Can not fully known road ahead concrete condition, the trip to blind person brings very big puzzlement.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided a kind of intelligent blind
Road acoustic control system for prompting, mechanical energy caused by blind person's walking road pavement directly can be converted into electric energy, and electric energy is passed through into storage
Battery storage, in the case of using piezoelectricity as trigger mechanism, when blind person walks to and reminds region, triggering battery carries for acoustic control
Awake system power supply, realize that the acoustic control of people's row sidewalk for visually impaired people specific region is reminded.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of intelligent sidewalk for visually impaired people acoustic control system for prompting,
Including induction installation, energy storage device and at least one alarm set；The induction installation is arranged on below people's row sidewalk for visually impaired people, described to carry
Awake device is arranged on the prompting region of people's row sidewalk for visually impaired people, and the induction installation is electrically connected with the energy storage device and alarm set respectively
Connect；The induction installation includes multigroup inductive component, and multigroup inductive component is arranged in parallel along people's row sidewalk for visually impaired people matrix arrangement,
And multigroup inductive component electrically connects with the energy storage device.The induction installation is for detecting whether to have blind person to pass through blind
Road, and have blind person by when according to caused by walking blind person load signal generate inductive impulse signal；The energy storage device is used
Electric energy is converted into after inductive impulse signal caused by the induction installation to be carried out to signal transacting to be stored, and is carried to be described
Device of waking up provides power supply；The alarm set is arranged on the prompting region of people's row sidewalk for visually impaired people, is located at the prompting region for basis
The induction installation caused by inductive impulse signal switch to wake-up states from resting state, and report road conditions for blind person and remind
Information.
The beneficial effects of the utility model are：Intelligent sidewalk for visually impaired people acoustic control system for prompting of the present utility model, filled by sensing
Put and mechanical energy during blind person's walking is converted into electric energy and by accumulators store, the triggering storage when blind person walks to and reminds region
Battery is powered for acoustic control system for prompting, is realized that the acoustic control road conditions of people's row sidewalk for visually impaired people specific region are reminded, is provided for the trip of blind person
Accurately guide, significantly improve the convenience and security of blind person's trip, realize the special care to blind person.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement：
Further：Inductive component described in every group includes load transmission unit, two piezoelectric activated units and in cuboid
The package casing of cavity structure, the load transmission unit and piezoelectric activated unit are arranged in the package casing, and described
The both ends of load transmission unit make electrical contact with the corresponding piezoelectric activated unit respectively, all piezoelectric activated units with
The energy storage device electrical connection, and the piezoelectric activated unit positioned at the prompting region is also electrically connected with the alarm set
Connect.
The above-mentioned further beneficial effect of scheme is：Machinery when blind person can be walked by the load transmission unit
Deformation can be converted into, and drives the piezoelectric activated unit to generate inductive impulse signal by producing deformation, is easy to energy storage to fill
Put carry out energy stores.
Further：The arcuate ribs of two pieces of settings symmetrical above and below of load transmission unit, two pieces of arcuate ribs
The corresponding connection in end simultaneously links with the corresponding piezoelectric activated unit middle part, and exists at the top of the arch of two pieces of arcuate ribs
Inwall up and down under nature respectively with the package casing abuts.
The above-mentioned further beneficial effect of scheme is：By setting arcuate ribs, it is larger out-of-date generation can be walked in blind person
Deformation, be on the one hand easy to the piezoelectric activated unit to produce enough deformation and generate the inductive impulse signal of sufficient intensity,
On the other hand it is easy to improve the conversion ratio of energy, is easy to more stable provide power supply for the alarm set.
Further：The piezoelectric activated unit is in disk shape, including be round shape two layers of PZT piezoceramics layer up and down,
Substrate and two load-carrying rings；Two load-carrying rings are arranged at intervals by connecting portion, and the substrate is arranged on two carryings
In region between ring, and the connecting portion connection between the edge of the substrate and two load-carrying rings, two layers of PZT pressure
Electroceramics layer is separately positioned on the upper and lower surface of the substrate, and the both ends of the induction installation are each passed through the corresponding carrying
After ring centre bore setting is contacted with the PZT piezoceramics layers.
The above-mentioned further beneficial effect of scheme is：By setting two layers of PZT piezoelectricity to make pottery respectively in the both sides of the substrate
Enamel coating, while can make it that induction installation produces deformation, two layers of PZT piezoceramics layer of driving produces deformation towards the same side, enters
And opposite polarity inductive impulse signal is generated, and loop is formed with energy storage device, it is easy to be smoothed out signal transacting and energy
Recovery storage.
Further：The center coaxial line of two layers of PZT piezoceramics layer, substrate and two load-carrying rings is set.
The above-mentioned further beneficial effect of scheme is：It can be walked through the above way in the induction installation by blind person
While trampling generation deformation, drive the piezoelectric activated unit to produce maximum deformation, and then produce the sufficiently large sense of intensity
Answer pulse signal so that whole system is sensitiveer, improves the stability and reliability of system.
Further：The energy storage device includes accumulator and at least one energy-storage battery, the accumulator respectively with
Induction installation and the energy-storage battery electrical connection, the energy-storage battery electrically connect with the alarm set.
The above-mentioned further beneficial effect of scheme is：The sensing arteries and veins exported by the accumulator to the induction installation
Rush signal and carry out rectification, once filtering, amplification, pressure regulation and secondary filtering processing successively so that carry out the telecommunications after signal transacting
The charging requirement of the energy-storage battery number is disclosure satisfy that, more smoothly completes charging.
Further：What diode D1, D2, D3, D4 that the accumulator includes sequentially being electrically connected by four head and the tail were formed
Rectifier bridge, electric capacity C1, electric capacity C2, triode Q, diode D5 and transformer T, wherein one layer of PZT piezoceramics layer and institute
State diode D1 and diode D2 common port electrical connection, another layer PZT piezoceramics layers and the diode D3 and two
Pole pipe D4 common port electrical connection, the common port of the diode D2 and diode D3 and the primary coil of the transformer T
One end electrically connects, and the other end of the primary coil of the transformer T electrically connects with the colelctor electrode of the triode Q, three pole
Pipe Q emitter stage electrically connects with the diode D1 and diode D4 common port, and the electric capacity C1 is connected electrically in described two
Pole pipe D2 and diode D3 common port and the diode D1 and diode D4 common port and between, the transformer T's
One end of secondary coil electrically connects with the positive pole of the diode D5, the negative pole of the diode D5 and bearing for the energy-storage battery
Pole electrically connects, and the positive pole of the energy-storage battery electrically connects with the other end of the secondary coil of the transformer T, and the electric capacity C2 is simultaneously
It is associated in the both ends of the energy-storage battery.
The above-mentioned further beneficial effect of scheme is：Rectification is carried out to the inductive impulse signal by the rectifier bridge,
Then the pulse signal after over commutation is filtered successively via the electric capacity C1, then be amplified by the triode Q and
Transformer T carries out pressure regulation processing, finally by being charged after the electric capacity C2 secondary filterings to energy-storage battery, smoothly completes electric energy
Storage.
Further：The alarm set includes alert circuit, and the alert circuit, which includes being stored with, reminds voice signal
Speech player Y and pulse switch S, the speech player Y, pulse switch S and energy-storage battery are in sequential series and form loop,
The control signal input of the pulse switch S electrically connects with the induction installation in the prompting region.
The above-mentioned further beneficial effect of scheme is：Exported by the induction installation in the prompting region
Inductive impulse signal drives the pulse switch S, can cause blind person runs to trigger carrying in corresponding region when reminding region
Circuit of waking up switches on power with energy-storage battery, and carries out report prompting, and providing accurate information for blind person's walking guides, and improves blind person
The security and convenience of trip.
Further：The alarm set also includes identifying processing circuit, for according to the inductive impulse signal and calculating
The speed of travel, and generate deceleration prompting message when the speed of travel exceedes the pre-set velocity in the prompting region and report prompting.
The above-mentioned further beneficial effect of scheme is：Alert zone can be run in blind person by the identifying processing circuit
During domain, its speed of travel is judged, and deceleration prompting message is generated when the speed of travel exceedes the pre-set velocity in the prompting region
And prompting is reported, remind it to take care, it is ensured that to pass through and remind region.
Brief description of the drawings
Fig. 1 is a kind of intelligent sidewalk for visually impaired people acoustic control system for prompting connection relationship diagram of the present utility model；
Fig. 2 is a kind of intelligent sidewalk for visually impaired people acoustic control system for prompting scheme of installation of the present utility model；
Fig. 3 is induction installation sectional view of the present utility model；
Fig. 4 is induction installation distributed architecture top view of the present utility model；
Fig. 5 is piezoelectric activated unit top view of the present utility model；
Fig. 6 is piezoelectric activated unit sectional view of the present utility model；
Fig. 7 is energy storage device circuit diagram of the present utility model；
Fig. 8 is alert circuit schematic diagram of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, induction installation, 2, energy storage device, 3, alarm set；
11st, load transmission unit, 12, piezoelectric activated unit, 13, bottom plate, 14, side plate, 15, cover plate；
111st, arcuate ribs, 121, PZT piezoceramics layers, 122, substrate, 123, load-carrying ring, 124, connecting portion.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
In the utility model, situation of blind person's walking on people's row sidewalk for visually impaired people is only chosen to explain, without to walking in people's row
Whether it is that blind person is judged on sidewalk for visually impaired people, the pedestrian for being defaulted as walking on people's row sidewalk for visually impaired people is in blind community, normal pedestrian
Higher attainment at will will not walk on people's row sidewalk for visually impaired people.
In addition, in the utility model, the prompting region needs to be configured with reference to actual road conditions, such as by traffic road
People's row sidewalk for visually impaired people in the place such as mouth, bus platform, overpass, ramp and hollow is arranged to remind region, is carried when blind person runs to
Preferable reminding effect can be played during awake region.
As depicted in figs. 1 and 2, a kind of intelligent sidewalk for visually impaired people acoustic control system for prompting, a kind of intelligent sidewalk for visually impaired people acoustic control system for prompting,
Including induction installation 1, energy storage device 2 and at least one alarm set 3；The induction installation 1 is arranged on below people's row sidewalk for visually impaired people, institute
The prompting region that alarm set 3 is arranged on people's row sidewalk for visually impaired people is stated, the induction installation 1 fills with the energy storage device 2 and prompting respectively
Put 3 electrical connections；The induction installation 1 includes multigroup inductive component, and multigroup inductive component is along people's row sidewalk for visually impaired people matrix arrangement
It is arranged in parallel, and multigroup inductive component electrically connects with the energy storage device 2.
The induction installation 1 for detecting whether have blind person by sidewalk for visually impaired people, and have blind person by when walked according to blind person
Caused load signal generates inductive impulse signal；The energy storage device 2 is used for inductive impulse caused by the induction installation
Electric energy is converted into after signal progress signal transacting to be stored, and provides power supply for the alarm set；The alarm set 3 is set
Put in the prompting region of people's row sidewalk for visually impaired people, for the inductive impulse letter according to caused by the induction installation positioned at the prompting region
Number switch to wake-up states from resting state, and road conditions prompting message is reported for blind person.
Intelligent sidewalk for visually impaired people acoustic control system for prompting of the present utility model, blind way brick is coordinated to be used in conjunction with, by being arranged on sidewalk for visually impaired people
Mechanical energy during blind person's walking is converted into electric energy and by accumulators store by the induction installation below brick, is walked to and is carried in blind person
It is that acoustic control system for prompting is powered that battery is triggered during awake region, realizes that the acoustic control of people's row sidewalk for visually impaired people specific region is reminded, is blind person's
Trip, which provides, accurately to be guided, and is significantly improved the convenience and security of blind person's trip, is realized the special care to blind person.
As shown in figure 3, in the present embodiment, the induction installation 1 includes multigroup inductive component, and multigroup inductive component
It is arranged in parallel along people's row sidewalk for visually impaired people matrix arrangement, and multigroup inductive component electrically connects with the energy storage device 2；Every group of institute
State outside encapsulation of the inductive component including 11, two piezoelectric activated units 12 of load transmission unit and in cuboid cavity structure
Shell, the load transmission unit 11 and piezoelectric activated unit 12 are arranged in the package casing, and the load transmission unit
11 both ends make electrical contact with the corresponding piezoelectric activated unit 12 respectively, all piezoelectric activated units 12 with the storage
Energy device 2 electrically connects, and the piezoelectric activated unit 12 positioned at the prompting region also electrically connects with the alarm set 3.
Mechanical energy when blind person can be walked by the load transmission unit 11 is converted into deformation, and drives the piezoelectric activated list
Member 12 generates inductive impulse signal by producing deformation, is easy to energy storage device to carry out energy stores.Here, it is caused by described
The inductive impulse signal on high voltage place road.
It is pointed out that in the utility model, the package casing includes bottom plate 13, side plate 14 and cover plate 15, wherein,
Bottom plate 3 and side plate 14 are made using the cast iron good, that hardness is high of rigidity, are improved its structural strength, are increased the service life, separately
Outside, the cover plate is made using big, the wear-resisting nylon material of bearing capacity, strengthens its wearability and bearing capacity, reduces damage
Bad rate, increase the service life, reduce maintenance cost.
As shown in figure 4, preferably as one embodiment of the present utility model, in the embodiment, the load transmission list
The arcuate ribs 111 of first 11 two pieces of settings symmetrical above and below, the corresponding connection in end of two pieces of arcuate ribs 111 and with it is corresponding
The middle part of the piezoelectric activated unit 12 connects, and at the top of the arch of two pieces of arcuate ribs 111 in its natural state respectively with
The inwall up and down of the package casing abuts.By setting arcuate ribs 111, the larger shape of out-of-date generation can be walked in blind person
Become, be on the one hand easy to the piezoelectric activated unit 12 to produce enough deformation and generate the inductive impulse signal of sufficient intensity, separately
On the one hand it is easy to improve the conversion ratio of energy, is easy to more stable for the alarm set 3 offer power supply.
Here, the arcuate ribs 111 are made using the potassium steel that intensity is big, rigidity is high, are arranged vertically on people's row
Road direct of travel, so may insure that its screen resilience is preferable, it is not easy to deform, can also increase the service life, reduce safeguard into
This.
As it can be seen in figures 5 and 6, preferably as one embodiment of the present utility model, in the embodiment, the piezoelectricity touches
Bill member 12 is in disk shape, including is two layers of PZT piezoceramics layer 121 up and down, substrate 122 and two load-carrying rings of round shape
123；Two load-carrying rings 123 are arranged at intervals by connecting portion 124, and the substrate 122 is arranged on two load-carrying rings 123
Between region in, and the connecting portion 124 between the edge of the substrate 122 and two load-carrying rings 123 connects, two layers of institute
The upper and lower surface that PZT piezoceramics layers 121 are separately positioned on the substrate 122 is stated, the both ends of the induction installation 1 are each passed through
After the corresponding centre bore of the load-carrying ring 123 setting is contacted with the PZT piezoceramics layers 121.By in the substrate 122
Both sides set two layers of PZT piezoceramics layer 121 respectively, while can make it that induction installation 1 produces deformation, drive two layers of PZT
Piezoceramics layer 121 produces deformation towards the same side, and then generates opposite polarity inductive impulse signal, and is formed with energy storage device
Loop, it is easy to be smoothed out signal transacting and energy regenerating storage.
Preferably as one embodiment of the present utility model, in the embodiment, two layers of PZT piezoceramics layer
121st, the center coaxial line of substrate 122 and two load-carrying rings 123 is set.Through the above way can be in the induction installation
1 by blind person walking trample produce deformation while, drive the piezoelectric activated unit 12 produce maximum deformation, and then produce
The sufficiently large inductive impulse signal of intensity so that whole system is sensitiveer, improves the stability and reliability of system.
In the present embodiment, the energy storage device 2 includes accumulator and at least one energy-storage battery Bat, the energy storage electricity
Road electrically connects with the induction installation 1 and energy-storage battery respectively, and the energy-storage battery Bat electrically connects with the alarm set 3.It is logical
The accumulator is crossed to carry out the inductive impulse signal that the induction installation 1 exports successively rectification, once filter, amplify, adjusting
Pressure and secondary filtering processing so that the charging requirement that the electric signal after signal transacting disclosure satisfy that the energy-storage battery Bat is carried out,
More smoothly complete charging.
As shown in fig. 7, specifically, diode D1, D2 that the accumulator includes sequentially being electrically connected by four head and the tail,
Rectifier bridge, electric capacity C1, electric capacity C2, triode Q, diode D5 and the transformer T of D3, D4 composition, wherein one layer of PZT piezoelectricity
Ceramic layer 121 electrically connects with the diode D1 and diode D2 common port, another layer PZT piezoceramics layers 121 with
The common port electrical connection of the diode D3 and diode D4, common port and the transformation of the diode D2 and diode D3
One end electrical connection of device T primary coil, the colelctor electrode of the other end of the primary coil of the transformer T and the triode Q
Electrical connection, the emitter stage of the triode Q electrically connects with the diode D1 and diode D4 common port, and the electric capacity C1
Be connected electrically in the common port of the diode D2 and diode D3 and the diode D1 and diode D4 common port and between,
One end of the secondary coil of the transformer T electrically connects with the positive pole of the diode D5, the negative pole of the diode D5 and institute
Energy-storage battery Bat negative pole electrical connection is stated, the positive pole of the energy-storage battery Bat is another with the secondary coil of the transformer T
End electrical connection, the electric capacity C2 are connected in parallel on the both ends of the energy-storage battery Bat.
By the rectifier bridge to the inductive impulse signal carry out rectification, then the pulse signal after over commutation via
The electric capacity C1 is filtered successively, then is amplified by the triode Q and is carried out pressure regulation processing with transformer T, finally by institute
Energy-storage battery Bat is charged after stating electric capacity C2 secondary filterings, smoothly completes power storage.
As shown in figure 8, in the present embodiment, the alarm set includes alert circuit, and the alert circuit includes being stored with
Remind the speech player Y and pulse switch S, the speech player Y, pulse switch S and energy-storage battery Bat of voice signal suitable
Secondary to connect and form loop, the control signal input of the pulse switch S is with being located at the sensing reminded in region
Device electrically connects.The inductive impulse signal exported by the induction installation in the prompting region drives the pulse
S is switched, blind person can be caused to run to the alert circuit triggered when reminding region in corresponding region and connect electricity with energy-storage battery Bat
Source, and report prompting is carried out, providing accurate information for blind person's walking guides, and improves the security and convenience of blind person's trip.
In addition, when blind person leaves and reminds region, the induction installation 1 in the prompting region would not export
Inductive impulse signal, at this moment the pulse switch S disconnect, the alarm set 3 is powered off and is stopped, and saves the energy.
Preferably, the alarm set also includes identifying processing circuit, the identifying processing circuit respectively with the sensing
Device 1 and alarm set (3) electrical connection, for according to the inductive impulse signal and calculating the speed of travel, and in the speed of travel
More than the prompting region pre-set velocity when generate deceleration prompting message and report prompting.Can by the identifying processing circuit
When blind person runs to and reminds region, to judge its speed of travel, and exceed the default speed in the prompting region in the speed of travel
Deceleration prompting message is generated when spending and reports prompting, reminds it to take care, it is ensured that to pass through and remind region.
In the present embodiment, the alert circuit can use the microprocessors such as single-chip microcomputer or ARM, by the induction installation 1
The inductive impulse signal output of output is to the microprocessor such as single-chip microcomputer or ARM, arteries and veins described in the microcomputer reads such as single-chip microcomputer or ARM
Frequency and impulse amplitude are rushed, calculating blind person further according to the pulse frequency and amplitude is reminding the cadence and stride in region, most
Its speed of travel can accurately be calculated according to the cadence and stride afterwards.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (8)
- A kind of 1. intelligent sidewalk for visually impaired people acoustic control system for prompting, it is characterised in that：Including induction installation (1), energy storage device (2) and at least One alarm set (3)；The induction installation (1) is arranged on below people's row sidewalk for visually impaired people, and it is blind that the alarm set (3) is arranged on people's row The prompting region in road, the induction installation (1) electrically connect with the energy storage device (2) and alarm set (3) respectively；The induction installation (1) includes multigroup inductive component, and multigroup inductive component is in parallel along people's row sidewalk for visually impaired people matrix arrangement Set, and multigroup inductive component electrically connects with the energy storage device (2).
- 2. intelligent sidewalk for visually impaired people acoustic control system for prompting according to claim 1, it is characterised in that：Inductive component described in every group is equal Including load transmission unit (11), two piezoelectric activated units (12) and the package casing in cuboid cavity structure, the load Lotus transfer unit (11) and piezoelectric activated unit (12) are arranged in the package casing, and the load transmission unit (11) Both ends make electrical contact with the corresponding piezoelectric activated unit (12) respectively, all piezoelectric activated units (12) with the storage Energy device (2) electrical connection, and the piezoelectric activated unit (12) positioned at the prompting region is electric also with the alarm set (3) Connection.
- 3. intelligent sidewalk for visually impaired people acoustic control system for prompting according to claim 2, it is characterised in that：The load transmission unit The arcuate ribs (111) of (11) two pieces of settings symmetrical above and below, the corresponding connection in end of two pieces of arcuate ribs (111) and with it is right Connected in the middle part of the piezoelectric activated unit (12) answered, and in nature at the top of the arch of two pieces of arcuate ribs (111) It is lower to be abutted respectively with the inwall up and down of the package casing.
- 4. intelligent sidewalk for visually impaired people acoustic control system for prompting according to claim 2, it is characterised in that：The piezoelectric activated unit (12) it is in disk shape, including is two layers of PZT piezoceramics layer (121), substrate (122) and two load-carrying rings up and down of round shape (123)；Two load-carrying rings (123) are arranged at intervals by connecting portion (124), and the substrate (122), which is arranged on described in two, holds Carry in the region between ring (123), and the connecting portion between the edge of the substrate (122) and two load-carrying rings (123) (124) connect, two layers of PZT piezoceramics layer (121) is separately positioned on the upper and lower surface of the substrate (122), the sense Answer device (1) both ends be each passed through corresponding to after load-carrying ring (123) centre bore with the PZT piezoceramics layers (121) Contact is set.
- 5. intelligent sidewalk for visually impaired people acoustic control system for prompting according to claim 4, it is characterised in that：Two layers of PZT piezoelectricity pottery The center coaxial line of enamel coating, substrate and two load-carrying rings is set.
- 6. intelligent sidewalk for visually impaired people acoustic control system for prompting according to claim 4, it is characterised in that：Energy storage device (2) bag Accumulator and at least one energy-storage battery are included, the accumulator is electrically connected with the induction installation (1) and energy-storage battery respectively Connect, the energy-storage battery electrically connects with the alarm set (3).
- 7. intelligent sidewalk for visually impaired people acoustic control system for prompting according to claim 6, it is characterised in that：The accumulator include by The rectifier bridge for diode D1, D2, D3, D4 composition that four head and the tail sequentially electrically connect, electric capacity C1, electric capacity C2, triode Q, two poles Pipe D5 and transformer T, wherein one layer of PZT piezoceramics layer (121) and the diode D1 and diode D2 common port Electrical connection, another layer PZT piezoceramics layers (121) electrically connect with the diode D3 and diode D4 common port, institute The common port for stating diode D2 and diode D3 electrically connects with one end of the primary coil of the transformer T, the transformer T's The other end of primary coil electrically connects with the colelctor electrode of the triode Q, the emitter stage of the triode Q and the diode D1 Electrically connected with diode D4 common port, and the electric capacity C1 be connected electrically in the common port of the diode D2 and diode D3 with The common port of the diode D1 and diode D4 and between, one end of the secondary coil of the transformer T and the diode D5 positive pole electrical connection, the negative pole of the diode D5 electrically connect with the negative pole of the energy-storage battery, and the energy-storage battery is just Pole electrically connects with the other end of the secondary coil of the transformer T, and the electric capacity C2 is connected in parallel on the both ends of the energy-storage battery.
- 8. intelligent sidewalk for visually impaired people acoustic control system for prompting according to claim 7, it is characterised in that：The alarm set includes carrying Awake circuit, the alert circuit includes being stored with the speech player Y for reminding voice signal and pulse switch S, the voice are broadcast Put device Y, pulse switch S and energy-storage battery is in sequential series and form loop, the control signal input of the pulse switch S and position The induction installation (1) electrical connection in the prompting region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720916046.7U CN207082218U (en) | 2017-07-26 | 2017-07-26 | A kind of intelligent sidewalk for visually impaired people acoustic control system for prompting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720916046.7U CN207082218U (en) | 2017-07-26 | 2017-07-26 | A kind of intelligent sidewalk for visually impaired people acoustic control system for prompting |
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| CN207082218U true CN207082218U (en) | 2018-03-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108280977A (en) * | 2018-03-21 | 2018-07-13 | 大连理工大学 | A kind of trigger-type intelligent writing sitting position corrector |
| CN111794141A (en) * | 2020-07-20 | 2020-10-20 | 夏稳学 | Blind road indicating floor tile |
-
2017
- 2017-07-26 CN CN201720916046.7U patent/CN207082218U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108280977A (en) * | 2018-03-21 | 2018-07-13 | 大连理工大学 | A kind of trigger-type intelligent writing sitting position corrector |
| CN111794141A (en) * | 2020-07-20 | 2020-10-20 | 夏稳学 | Blind road indicating floor tile |
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