CN112486327A - Braille interaction equipment - Google Patents
Braille interaction equipment Download PDFInfo
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- CN112486327A CN112486327A CN202011515677.0A CN202011515677A CN112486327A CN 112486327 A CN112486327 A CN 112486327A CN 202011515677 A CN202011515677 A CN 202011515677A CN 112486327 A CN112486327 A CN 112486327A
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Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/103—Formatting, i.e. changing of presentation of documents
- G06F40/106—Display of layout of documents; Previewing
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B21/00—Teaching, or communicating with, the blind, deaf or mute
- G09B21/001—Teaching or communicating with blind persons
- G09B21/003—Teaching or communicating with blind persons using tactile presentation of the information, e.g. Braille displays
- G09B21/004—Details of particular tactile cells, e.g. electro-mechanical or mechanical layout
Abstract
The invention discloses Braille interaction equipment, which is characterized in that through the matching work of an analysis module and a control module, a blind user applies external force to a corresponding contact group when the blind user wants to type, so that the analysis module can determine characters to be displayed according to second electric signals output by the corresponding contact group, further the control module can transmit first electric signals to Braille contacts corresponding to the characters to be displayed, when the corresponding Braille contacts protrude, the blind user can sense the first electric signals, and the blind user can determine the corresponding characters through the sensed Braille contacts to further determine whether the Braille is accurately typed, thereby realizing the typing function of the Braille interaction equipment and improving the use experience of the blind user.
Description
Technical Field
The invention relates to the technical field of display, in particular to a Braille interaction device.
Background
Because the eyesight is damaged, the blind person can not study and read like normal people, and characters which are sensed by touch, namely braille, are specially designed for the blind person; the braille can be composed of 6 contacts, the 6 contacts can be arranged into three rows and two columns, so that different characters can be combined, and the blind can obtain text information from the braille by touching.
However, the existing paper braille books are thick and heavy, the content cannot be updated, and the latest information is difficult to be provided for the blind quickly and in real time; moreover, the existing paper braille books can not provide interactive experience and can not meet the typing requirements of blind users.
Therefore, the Braille interaction equipment is provided for the blind, the use feeling of the blind is improved, and the technical problem to be solved urgently by technical personnel in the field is solved.
Disclosure of Invention
The embodiment of the invention provides Braille interaction equipment, which is used for providing Braille interaction equipment for blind people and improving the use experience of the blind people.
The embodiment of the invention provides Braille interaction equipment, which comprises: the Braille display structure comprises a plurality of Braille contacts which are arranged in an array mode, and all the Braille contacts are divided into a plurality of contact groups according to Braille characters;
the first friction generator is electrically connected with the control module, and the control module is electrically connected with each Braille contact;
the first friction generator is configured to: outputting a first electric signal under the action of an external force;
the control module is used for: when the Braille interaction equipment is in a typing mode, dividing the Braille display structure into a display area and a typing area; transmitting the first electric signal to the Braille contact corresponding to the character to be displayed in the display area so as to enable the Braille contact to be convex;
the analysis module is electrically connected with each contact group in the typing area and the control module respectively and is used for: when the Braille interaction equipment is in the typing mode and a user applies external force to any contact group in the typing area, receiving a second electric signal output by the contact group, determining characters to be displayed corresponding to the received second electric signal according to the corresponding relation between the position of the contact group corresponding to a preset second electric signal and the characters, and transmitting the determined characters to be displayed to the control module.
The invention has the following beneficial effects:
according to the Braille interaction device provided by the embodiment of the invention, through the matching work of the analysis module and the control module, a blind user applies external force to the corresponding contact group when the blind user wants to type, so that the analysis module can determine the character to be displayed according to the second electric signal output by the corresponding contact group, the control module can transmit the first electric signal to the Braille contact corresponding to the character to be displayed, when the corresponding Braille contact protrudes, the blind user can sense the first electric signal, the blind user can determine the corresponding character through the sensed Braille contact, and further determine whether the typing is accurate, so that the Braille interaction device can realize the typing function, and the use experience of the blind user is improved.
Drawings
FIG. 1 is a schematic structural diagram of a Braille interaction device provided in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a Braille contact provided in an embodiment of the invention;
FIG. 3 is a schematic view of an opening in an auxiliary structure provided in an embodiment of the present invention;
FIG. 4 is a schematic view of an embodiment of a dielectric elastic film disposed thereon;
FIG. 5 is a schematic view of another arrangement of dielectric elastic films according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of another Braille interaction device provided in the embodiment of the invention;
FIG. 7 is a schematic structural diagram of another Braille interaction device provided in the embodiment of the invention;
fig. 8 is a schematic view of a contact set provided in an embodiment of the invention;
FIG. 9 is a schematic structural diagram of another Braille interaction device provided in the embodiment of the invention;
FIG. 10 is a schematic illustration of a first friction generator set position provided in an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a first friction generator provided in the embodiment of the present invention.
Wherein 10-control module, 11-controller, 12-switch, 20-first friction generator, 21-first friction unit, 21 a-first friction layer, 22-second friction unit, 22 a-conductive electrode, 22 b-second friction layer, 30-Braille display structure, 30 a-Braille contact, 40-analysis module, a 1-contact, a 2-brake structure, a 3-auxiliary structure, b 1-first electrode, b 2-dielectric elastic film, b 3-second electrode, p-opening, c 1-spring member, c 2-contact member, Q1-display region, Q2-typing region, NC-energy storage module, 30 z-contact group, 50-function switching key, 60-voice collector, 70-volume adjusting key, 80-direction key, 90-other function key and 100-loudspeaker.
Detailed Description
The following describes a detailed implementation of a braille interactive device according to an embodiment of the present invention in detail with reference to the accompanying drawings. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a braille interactive device, as shown in fig. 1, including: the braille display device comprises a control module 10, an analysis module 40, a first friction generator 20 and a braille display structure 30, wherein the braille display structure 30 comprises a plurality of braille contacts 30a which are arranged in an array, and all the braille contacts 30a are divided into a plurality of contact groups 30z according to braille characters;
the first friction generator 20 is electrically connected with the control module 10, and the control module 10 is electrically connected with each braille contact 30 a;
the first friction generator 20 is used for: outputting a first electric signal under the action of an external force;
the control module 10 is configured to: when the Braille interaction equipment is in a typing mode, dividing the Braille display structure into a display area Q1 and a typing area Q2; transmitting the first electric signal into the braille contact 30a corresponding to the character to be displayed in the display area Q1 to make the corresponding braille contact 30a convex;
So, through the cooperation work of analysis module and control module, the blind person user exerts external force to the contact group that corresponds when wanting to type, make analysis module can confirm according to the second signal of telecommunication that corresponds the contact group output and wait to show the character, and then make control module can with first signal of telecommunication transmission to waiting to show the braille contact that the character corresponds in, when corresponding the braille contact is protruding, can be perceived by the blind person, make the blind person confirm the character that corresponds through the braille contact that perceives, and then confirm whether to type accurately, thereby make braille interaction device can realize the function of typing, the use experience of blind person has been improved.
To illustrate, optionally, all the braille contacts are divided into a plurality of contact groups according to the braille characters, which can be understood as:
the braille characters are generally represented by an array of three rows and two columns consisting of 6 braille contacts, so that all the braille contacts can be divided into a plurality of contact groups based on the braille characters, and each contact group can correspondingly display one braille character so as to facilitate braille reading of blind users.
Also, the first electrical signal may be understood as: a driving source for making the corresponding braille contact convex.
1. The braille contacts are described below.
Alternatively, in an embodiment of the present invention, as shown in fig. 2, the braille contact 30a includes: the contact a1 and the braking structure a2 are correspondingly arranged;
the braking structure a2 is used for: upon receiving the first electrical signal, the first electrical signal is converted to kinetic energy, which is projected through the kinetic energy control contact a 1.
That is to say, each braille contact can include a contact and a corresponding brake structure, and the brake structure can receive the first electric signal and can convert the first electric signal into the kinetic energy for controlling the protrusion of the contact, so that the blind can sense and determine the corresponding character.
Specifically, in the embodiment of the present invention, as shown in fig. 2, the braille display structure 30 further includes an auxiliary structure a3, and each braille contact 30a is disposed on the same surface of the auxiliary structure a 3;
the stopper structure a2 includes: a first electrode b1, a dielectric elastic film b2 and a second electrode b3 which are stacked, wherein the second electrode b3 is arranged between the auxiliary structure a3 and the first electrode b 1;
the inside of the auxiliary structure a3 is a cavity filled with gas, and the auxiliary structure a3 includes: the opening p facing the stopper structure a2 side and provided corresponding to each stopper structure a2 is shown in fig. 3, which is a schematic view of the auxiliary structure shown along the direction indicated by the arrow filled with black in fig. 2.
That is, referring to fig. 2 and 3, 2 openings p are provided at a side of the auxiliary structure a3 facing the braking structure a2, and one braille contact 30a is provided at each opening p, but in practical cases, the number is not limited to 2 openings p, and only 2 openings p are exemplified here.
The dielectric elastic film is an electroactive polymer, and can be stretched transversely (i.e. along the surface of the dielectric elastic film, i.e. in the direction shown by M1 in fig. 2) under the action of an electric field, and can be restored to the original size after the electric field disappears.
Therefore, when the braking structure receives the first electric signal, an electric field can be formed between the upper surface and the lower surface of the dielectric elastic film through the first electrode and the second electrode, so that the dielectric elastic film is transversely stretched; because the braking structure is arranged corresponding to the opening, when the dielectric elastic film is transversely stretched, the transverse stretching can be converted into longitudinal deformation (namely the direction shown by M2 in figure 2) by gas in the auxiliary structure, and the longitudinal deformation can push the contact to move towards the direction of one side departing from the auxiliary structure, so that the contact is protruded, and the contact can be sensed by the blind.
Specifically, in the embodiment of the present invention, the dielectric elastic film may be made of, but not limited to, dielectric materials such as polyacrylic rubber, polypyrrole, or bithiophene;
the first electrode and the second electrode can be made of the same conductive material, and can be made of different conductive materials, and can be selected according to actual conditions; the conductive material may be, but is not limited to: metal, organic conductive material, or carbon-resin electrodes.
Specifically, in the embodiment of the present invention, the dielectric elastic film b2 may be a structure that covers the entire surface of one side of the auxiliary structure a3 having the opening p, as shown in fig. 4, and the region filled with oblique lines and disposed to have a certain transparency represents the dielectric elastic film; at this time, no matter the number of the braking structures is provided, only one dielectric elastic film is provided; meanwhile, the first electrode and the second electrode are only arranged at the opening of the auxiliary structure, and the dielectric elastic film can be transversely stretched under the action of an electric field only in the overlapped area of the first electrode and the second electrode;
alternatively, the dielectric elastic film b2 may be one opening p covering only the auxiliary structure a3, as shown in fig. 5; in this case, the plurality of dielectric elastic films are provided, and the dielectric elastic films in the respective stopper structures are provided independently of each other.
That is, in the specific implementation, the manufacturing method of the dielectric elastic film can be selected and designed according to the actual needs, and is not limited herein.
Optionally, in an embodiment of the present invention, as shown in fig. 2, the contact a1 includes: a spring element c1, and a contact element c2 for contact with a user's finger, the spring element c1 being connected between the detent structure a2 and the contact element c 2.
Wherein, the contact member can be made of, but not limited to, teflon.
Explaining, in an actual situation, when the braille interactive device is in a display mode or the braille interactive device is in a typing mode, a blind user inputs a character to be typed in a typing area and needs to confirm whether the character displayed in the display area is the input character, the blind user needs to place a hand on the surface of the braille interactive device, at the moment, the hand may generate downward pressure on a braille contact, and the contact comprises a spring part and a contact part, so the braille contact may be pressed down under the action of the spring part; however, if a certain braking structure receives the first electric signal, the electric energy is converted into kinetic energy and pushes the corresponding contact to be convex, the contact corresponding to the braking structure is still lifted under the action of the spring part, so that the hand of the blind can sense the convex contact, and the corresponding character is determined.
Optionally, in the embodiment of the present invention, the spring element may be replaced by magnets with the same polarity, and due to the characteristic that like magnets repel each other, when the braking structure pushes up one of the magnets upwards, the other magnet may be pushed upwards by the repulsive force, so that the contact is pushed up, and thus the blind user may perceive the contact.
Of course, in the specific implementation, the contact may include a spring element or a magnet with the same polarity, or other structures may be selected to replace the spring element or the magnet with the same polarity, as long as the contact can be lifted up so as to be perceived by the blind user.
2. The control module is described below.
Optionally, in an embodiment of the present invention, the control module is specifically configured to:
when the Braille interaction device is in a typing mode, the protrusions of each contact group in the typing area are controlled.
Therefore, the Braille display structure can be divided into areas through the control module, so that the typing function and the display function can be realized at the same time, and more functional experiences are provided for blind users.
Optionally, in an embodiment of the present invention, the control module is further configured to:
switching the working mode of the Braille interaction equipment according to a switching instruction input by a user, and outputting a control instruction carrying the switched working mode to an analysis module; wherein, the mode of operation includes: a display mode and a typing mode;
the analysis module is specifically configured to: and determining the working mode of the Braille interaction equipment according to the received control instruction.
That is, for the switching of the operation mode of the braille interactive device, such as: the switching from the typing mode to the display mode or the switching from the display mode to the typing mode can be controlled and realized through the control module, specifically, the control module can be used for realizing the control, and the control module can output a control instruction to the analysis module so that the analysis module can determine the current working mode of the Braille interaction device, thereby facilitating the realization of the function of the Braille interaction device and ensuring that the Braille interaction device can work normally and effectively.
Specifically, in the embodiment of the present invention, as shown in fig. 6, the braille interactive device further includes a function switching key 50, and the control module is electrically connected to the function switching key 50, and specifically configured to: when a user inputs a switching instruction through the function switching key 50, switching the working mode of the Braille interaction device;
or, the braille interactive device further includes a voice collector 60, and the control module is electrically connected to the voice collector 60, and is specifically configured to: and when the voice information input by the user and collected by the voice collector 60 is determined to be a switching instruction, switching the working mode of the Braille interaction device.
That is to say, when the working mode of the braille interactive device is switched, the switching can be initiated by the blind user, and at the moment, the switching initiated by the blind user can be initiated by pressing a corresponding key or can be initiated by voice input, so that the interactivity between the braille interactive device and the blind user is increased, and more use experiences are provided for the blind user.
Alternatively, in an embodiment of the present invention, as shown in fig. 7, in which only the control module 10, the first friction generator 20 and the partial braille contact 30a are shown, the control module 10 includes: the controller 11 and the switches 12 are electrically connected, the switches 12 are correspondingly connected with the Braille contacts 30a one by one, and the switches 12 are also electrically connected with the first friction generator 20;
the controller 11 is configured to: and controlling the switch 12 connected with the corresponding Braille contact 30a to be in a conducting state according to the characters to be displayed, so that the switch 12 transmits the first electric signal output by the first friction generator 20 to the corresponding Braille contact 30 a.
So, can control every switch through the controller, when certain braille contact need be by protruding (or can understand as lifting up), can open the switch that this braille contact corresponds for the switch that this braille contact corresponds is in the on-state, thereby can be with first signal of telecommunication transmission to this braille contact in, so that in this braille contact, convert first signal of telecommunication into kinetic energy and lift up the contact, make the blind person can perceive.
Specifically, in the embodiment of the present invention, as shown in fig. 7, the switch 12 is a thin film transistor;
the gate of the thin film transistor is electrically connected to the controller 11, the source is electrically connected to the first triboelectric generator 20, and the drain is electrically connected to the braille contact 30 a.
In an implementation, the drain of the thin film transistor may be electrically connected to the second electrode b3 shown in fig. 2, while the first electrode b1 is grounded; alternatively, the drain electrode of the thin film transistor may be electrically connected to the first electrode b1 shown in fig. 2 while the second electrode b3 is disposed to be grounded; the specific setting can be carried out according to actual needs, and is not limited herein.
Therefore, the effect of the switch can be realized through the thin film transistor, and the purpose of reading by the blind is facilitated.
It should be noted that alternatively, all the braille contacts may be divided into a plurality of contact groups according to the braille characters, such as but not limited to: each contact set includes 6 braille contacts, as shown in fig. 8; at this time, each contact group may correspond to a character, which may be, but is not limited to: chinese characters, punctuation marks, letters, numbers or special symbols, etc.
Therefore, when displaying braille, the specific implementation process can be as follows:
assuming that the controller currently determines that the character "A" is to be displayed for the contact set labeled 1, then:
the controller can control a switch corresponding to the Braille contact marked as k1 to be in a conducting state, so that a first electric signal can be transmitted to a braking structure in the Braille contact k1, the braking structure in the Braille contact k1 converts the first electric signal into kinetic energy and pushes a contact protrusion in the Braille contact k1, when the hand of a blind person is placed at the position of the contact group 1, the blind person can sense that only the Braille contact k1 protrudes, and the blind person can determine that the character displayed at the position of the contact group 1 is 'A'.
Assuming that the controller currently determines that the character that the contact set labeled 2 needs to be displayed is "I", then:
the controller can simultaneously control the Braille contact marked as k2 and the switch corresponding to the Braille contact marked as k3 to be in a conducting state, so that a first electric signal can be respectively transmitted to a braking structure in the Braille contact k2 and a braking structure in the Braille contact k3, the braking structure in the Braille contact k2 converts the first electric signal into kinetic energy and then pushes a contact protrusion in the Braille contact k2, meanwhile, the braking structure in the Braille contact k3 converts the first electric signal into the kinetic energy and then pushes the contact protrusion in the Braille contact k3, when the hand of the blind person is placed at the position of the contact group 2, the blind person can sense that only the Braille contact k2 and the Braille contact k3 protrude, and the blind person can determine that the character displayed at the position of the contact group 2 is 'I'.
Therefore, through the matching work among the controller, the switch, the braking structure and the contact, the blind user can determine the characters to be displayed corresponding to each contact group according to the number and the position of the raised Braille contacts of each contact group, and the blind user can realize the purposes of reading and typing.
Moreover, when the typing function is realized, the specific implementation process is as follows:
the configuration shown in fig. 7 and 9 is described by taking an example in which typing region Q2 includes two contact sets and display region Q1 includes two contact sets.
In this regard, in actual cases, the number of the contact groups included in the typing region is not limited to two, and may be set according to actual needs, and the number of the contact groups included in the display region is not limited to two, and may be set according to actual needs.
The specific typing process may include:
if the user wants to input the character "a" and the character corresponding to the position of the contact set marked with 3 is assumed to be a, the user may apply an external force to the first friction generator in the contact set 3 located in the typing region, so that the contact set 3 outputs a second electrical signal;
when the analysis module determines that the received second electric signal corresponds to the contact group 3, the analysis module can determine that the character input by the user is 'A', and at the moment, the character 'A' is transmitted to the controller of the control module;
when the controller determines that the characters need to be displayed at the position of the contact group 1 located in the display area to be 'A', the controller controls the switch corresponding to the Braille contact marked as k1 to be in a conducting state, transmits the first electric signal to the braking structure in the Braille contact k1, further controls the projection of the Braille contact k1, and a user can determine the characters input by himself to be 'A' through the projected Braille contact k1 in the contact group 1, so that the function of typing input is achieved.
That is, the braille interactive apparatus may have a typing function (or so-called a display-while-typing function) in addition to a display function, that is: the Braille display structure can be divided into a display area and a typing area, the blind can type in the typing area to input characters, and the input characters can be displayed in the display area.
Therefore, the interactivity between the user and the Braille interaction device can be improved, the Braille interaction device can not only display Braille, but also input Braille according to the user requirement, so that more functions can be provided for the blind user, and the experience of the blind user is improved.
Meanwhile, the Braille interaction equipment can display various characters and can be continuously updated, the latest information is provided for the blind, and the problems that paper blind books are heavy and cannot be updated are greatly solved, so that the reading experience of the blind is improved.
3. The analysis module is described below.
Specifically, in the embodiment of the present invention, when the analysis module determines the position of the second electrical signal corresponding to the contact group, the following manner may be adopted:
mode 1:
alternatively, in an embodiment of the present invention, each contact group 30z in typing zone Q2 is electrically connected to analysis module 40 through a wire (or a group of wires), as shown in fig. 9, when a blind user applies an external force to a certain contact group (e.g., contact group i) in the typing zone, the contact group i may transmit a second electrical signal to the analysis module through the corresponding wire;
the analysis module can number each wire in advance and prestore the corresponding relation between the wire number and the position of the corresponding contact group;
when the analysis module receives a second electrical signal output by a wire (marked as wire i) corresponding to the contact group i, the position of the contact group corresponding to the wire i can be determined according to the corresponding relationship between the number of the wire and the position of the corresponding contact group, so that the position of the contact group corresponding to the received second electrical signal is determined.
Mode 2:
optionally, in the embodiment of the present invention, in the typing region, each row contact group is connected to the same conductive line (or the same group of conductive lines, denoted as row conductive lines), different rows are connected to different row conductive lines, each column contact group is connected to the same conductive line (or the same group of conductive lines, denoted as column conductive lines), and different columns are connected to different column conductive lines, which is not shown in the drawing;
when a blind user applies external force to a certain contact group (such as the contact group i) in a typing area, the contact group i can respectively transmit second electric signals to the analysis module through corresponding row wires and column wires;
the analysis module can number each row wire and each column wire in advance, and stores the corresponding relation between the number of the row wire, the number of the column wire and the position of the corresponding contact group in advance;
when the analysis module receives a second electrical signal output by a row conductor (marked as a row conductor i) corresponding to the contact group i and a second electrical signal output by a corresponding column conductor (marked as a column conductor j), according to the corresponding relationship between the serial number of the row conductor i, the serial number of the column conductor j and the position of the corresponding contact group, the position of the contact group corresponding to the serial number of the row conductor i and the serial number of the column conductor j can be determined, so that the position of the contact group corresponding to the received second electrical signal is determined.
The method can greatly reduce the number of the arranged wires, thereby simplifying and optimizing the structure of the Braille interaction equipment, simultaneously reducing the manufacturing cost of the Braille interaction equipment, and avoiding the short circuit problem caused by excessive arrangement of the number of the wires.
Of course, in the embodiment 1 or 2, the selection may be made according to actual circumstances in the specific implementation, and is not limited herein.
In addition, when determining the position of the contact group corresponding to the second electrical signal, other ways known to those skilled in the art to achieve the purpose may be adopted in addition to the above 1 and 2, and are not limited herein.
Alternatively, in the embodiment of the present invention, as shown in fig. 9, the first friction generators 20 are provided in each contact group 30z within the typing region Q2, and the analysis module 40 is electrically connected to each first friction generator 20;
the first electrical signal and the second electrical signal are the same signal.
So, make the blind person user when typing, exert external force to first friction generator, and then make first friction generator both can export the second signal of telecommunication to analysis module (also be first signal of telecommunication), analysis module of being convenient for determines the character of waiting to show, simultaneously can also export first signal of telecommunication (also be the second signal of telecommunication) to control module, control module of being convenient for exports first signal of telecommunication to corresponding braille contact, thereby make braille display structure can realize the character input, can also realize the character display, the function of keyboard and display has been had concurrently.
Specifically, in an embodiment of the present invention, a first friction generator is disposed over at least some of the braille contacts in the set of contacts;
and/or the first friction generator is arranged in a position except the Braille contact in the contact group.
So, when the blind person user applyed external force to the contact group, can be so that first friction generator carries out work, and then make first friction generator output second signal of telecommunication to in determining the character that this contact group corresponds, realize the function of typing.
Optionally, when the first friction generator is disposed on each braille contact in the contact group and is also disposed at a position other than the braille contact in the contact group, the first friction generator (indicated by 20 b) located above the braille contact and the first friction generator (indicated by 20 a) located at a position other than the braille contact need to be separately disposed (as shown in fig. 10) and electrically connected to the analysis module through different wires, so as to avoid causing an adverse effect on the first friction generator located at the position other than the braille contact when the braille contact is lifted up.
It should be noted that, in an actual situation, one contact group may be set to correspond to one character, so that one first friction generator may be set in each contact group, or a plurality of first friction generators may be set, and no matter a user applies an external force to several first friction generators in a contact group, for a plurality of second electrical signals output by one contact group, the corresponding positions are the same positions of the contact group, so that the plurality of second electrical signals from the same contact group all correspond to the same character;
thus, for the analysis module, it may be arranged that:
if the analysis module receives a plurality of second electrical signals output from the same contact group at the same time, the analysis module may process any one of the plurality of second electrical signals received at the same time, so that only one character is determined at the same time.
For example, suppose that at the same time, a blind user applies external force to two first friction generators in the same contact group (e.g., contact group i) at the same time, so that the contact group i outputs two second electrical signals;
the analysis module can analyze any one of the two received second electrical signals, and ignore the other second electrical signal, so as to determine the character corresponding to the contact group i corresponding to the second electrical signal and output the character to the control module;
or, the analysis module may determine that the characters corresponding to the two second electrical signals are the same character, and only output one of the characters to the control module.
Therefore, the judgment error can be reduced, and the typing accuracy can be improved.
Optionally, in the embodiment of the present invention, as shown in fig. 9, an energy storage module NC is further included;
an energy storage module NC is electrically connected to each first friction generator 20 and to the control module 10 for: the second electric signal output by the first friction generator 20 is stored, and the stored second electric signal is transmitted to the braille contact 30a corresponding to the character to be displayed in the display area under the control of the control module 10.
Therefore, the electric energy output by the first friction generator can be stored through the energy storage module, so that the electric energy can be provided for other structures while the Braille display is realized through the energy storage module, and the self-driven and portable design of the Braille interaction equipment can be realized.
The specific structure of the energy storage module may adopt any structure known to those skilled in the art that can implement the energy storage function, and is not limited herein.
Specifically, in the embodiment of the invention, as shown in fig. 9, the first friction generator 20 is also provided in each contact group 30z within the display area Q1.
Therefore, when the blind user confirms whether the input characters are accurate, the blind user can place the hands in the display area, and at the moment, when the first friction generator is also arranged in each contact group in the display area, external force can be applied to the first friction generator in the process of confirming the characters by the blind user, and then electric energy output by the first friction generator in the display area can be stored in the energy storage module, so that the energy storage module can store more electric energy to maintain the normal work of the Braille interaction equipment.
Optionally, in an embodiment of the present invention, the analysis module is further configured to:
when the Braille interaction equipment is in a display mode and the Braille interaction equipment is determined to need to display the content of the next page, determining the reference position of a contact group corresponding to a third electric signal according to the third electric signal output when a user applies external force to any contact group for the first time;
the control module is further configured to:
determining the reference position as the position of the initial character in the content of the next page;
and defining each contact group behind the contact group corresponding to the reference position as a contact group to be selected according to a preset control sequence of each contact group, and controlling the reference position and each contact group to be selected to sequentially display characters in the content of the next page according to the control sequence.
For example, taking the braille display structure shown in fig. 8 as an example, the contact groups are first numbered in sequence, 1 to 20 respectively, and the numbers are marked at the lower right corner of each contact group, and the control order of the contact groups is specified from top to bottom, from left to right; if the current Braille interaction equipment is in the display mode, the previous page of content is read completely, and the next page of content needs to be read, at the moment:
if the user applies an external force to the contact set 6, the analysis module may determine a reference position where the contact set 6 is located and transmit the reference position to the control module;
assuming that the starting character in the content of the next page is "F", the control module may regard the reference position (i.e., the position where the contact group 6 is located) as the position where the starting character "F" is displayed, and define the contact groups 7 to 20 as the contact groups to be selected at this time; then, for the contact group 6 to the contact group 20, each character of the content of the next page is sequentially displayed in a control order from top to bottom and from left to right, and each contact group displays only one character.
That is to say, the braille interactive device provided by the embodiment of the invention not only can facilitate reading of the blind user and provide a typing function for the blind user, but also can redefine the position of the initial character of each page of content according to the needs of the user in the reading process, so that the blind user is prevented from reading from a certain specific position when starting to read a new page of content, and further difficulty is prevented from being increased in the reading process of the blind user, thereby greatly improving the experience of reading of the blind user, and being more intelligent and humanized.
Optionally, in an embodiment of the invention, a first friction generator is provided in each contact set, and the analysis module is electrically connected with the first friction generator in each contact set;
the third electrical signal is the same signal as the first electrical signal.
Because each contact group is provided with the first friction generator, no matter which contact group the user exerts external force, the analysis module can receive the third electric signal, thereby realizing the redefinition process of the position of the displayed initial character and being beneficial to improving the experience of the blind user.
Optionally, in an embodiment of the present invention, the control module is further configured to:
when the Braille interaction equipment is in a display mode and receives a signal to be displayed carrying the next page of content to be displayed of the Braille display structure, outputting a page turning instruction to an analysis module;
the analysis module is specifically configured to: and when a page turning instruction is received, determining that the Braille display structure needs to display the content of the next page.
Therefore, the page turning instruction is sent to the analysis module through the control module, so that the analysis module can accurately determine the reference position, the position of the displayed initial character is determined, and normal and effective work of the Braille interaction equipment is guaranteed on the basis of reducing the probability of control errors.
Optionally, in an embodiment of the present invention, as shown in fig. 6, the braille interactive device may further include:
a volume adjusting key 70 for adjusting the volume;
the direction keys 80 and other function keys 90 are used for realizing function selection and switching under the matching use of the direction keys 80 and other function keys 90, such as an electron beam function, a keyboard function, an internet surfing function, a voice function, a page turning function and the like;
the speaker 100 is used for playing audio information such as voice and music.
It should be noted that fig. 6 shows only one structure of the braille interactive device, and in the specific implementation, the structure of the braille interactive device is not limited to that shown in fig. 6, and may be set according to actual needs, and is not limited herein, and is only an example.
4. The first friction generator will be described below.
Optionally, in an embodiment of the present invention, the first friction generator is a friction generator of a single electrode structure; wherein, as shown in fig. 11, the first friction generator may include: a first friction unit 21 and a second friction unit 22 which are oppositely arranged, the first friction unit 21 comprising: the first friction layer 21a, the second friction unit 22 includes: a conductive electrode 22a and a second friction layer 22b provided in a stacked manner;
wherein, a side surface of the first friction layer 21a facing the conductive electrode 22a may be provided with microstructures, such as but not limited to nano-pillars (as shown by the dashed circle in fig. 11), to increase the friction between the first friction layer 21a and the second friction layer 22 b;
therefore, under the action of an external force, the first friction layer and the second friction layer rub, and a first electric signal (namely, a voltage signal) can be output through the conductive electrode.
The operating principle of a specific friction generator can be found in the prior art, and is not described in detail here.
Specifically, the conductive electrode may be electrically connected with the control module;
alternatively, where the braille interaction device includes an energy storage module, the conductive electrode may be electrically connected with the energy storage module;
alternatively, the conductive electrode may be electrically connected to the evaluation module when the first triboelectric generator is arranged in the contact set.
Specifically, taking a friction generator with a single-electrode structure as an example, when a first friction generator is arranged in a contact group, only a second friction unit needs to be arranged at any position in the contact group, and a finger of a blind person can be used as the first friction unit, so that an electric signal is generated under the action of friction electrification and electrostatic effect by the friction between the finger and the second friction unit.
Optionally, in an embodiment of the present invention, the first friction generator is a friction generator of a two-electrode structure; wherein the first friction unit includes: a first conductive electrode and a first friction layer which are arranged in a stacked manner, and a second friction unit comprising: a second conductive electrode and a second friction layer, not shown, are provided in a stack.
Therefore, under the action of an external force, the first friction layer and the second friction layer rub, and then the first electric signal (namely, the voltage signal) can be output through the first conductive electrode and the second conductive electrode.
Specifically, the first electrode and the second electrode may both be electrically connected to the control module;
or, when the braille interaction device includes the energy storage module, both the first electrode and the second electrode may be electrically connected with the energy storage module;
alternatively, the first and second electrodes may both be electrically connected to the analysis module when the first friction generator is disposed in the contact set.
Specifically, the first friction generator may be any one of friction generators having a two-electrode structure and friction generators having a single-electrode structure, and the specific structure thereof is not limited herein.
Optionally, in the embodiment of the present invention, the first friction layer may be made of a dielectric material with strong electronegativity, and the second friction layer may be made of a dielectric material with strong electropositivity; the conductive electrode, the first conductive electrode and the second conductive electrode may all be made of conductive materials, wherein the conductive materials may include, but are not limited to: gold, silver, platinum, aluminum, nickel, copper, iron, chromium and alloys thereof, graphene, silicon, conductive polymer materials and dopants thereof, and the like.
Alternatively, in the embodiment of the present invention, no matter which structure of the friction generator is adopted, the form of friction occurring between the first friction unit and the second friction unit may be, but is not limited to: contact-separation type, slide type, etc., and is not limited thereto.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (15)
1. A Braille interaction device, comprising: the Braille display structure comprises a plurality of Braille contacts which are arranged in an array mode, and all the Braille contacts are divided into a plurality of contact groups according to Braille characters;
the first friction generator is electrically connected with the control module, and the control module is electrically connected with each Braille contact;
the first friction generator is configured to: outputting a first electric signal under the action of an external force;
the control module is used for: when the Braille interaction equipment is in a typing mode, dividing the Braille display structure into a display area and a typing area; transmitting the first electric signal to the Braille contact corresponding to the character to be displayed in the display area so as to enable the Braille contact to be convex;
the analysis module is electrically connected with each contact group in the typing area and the control module respectively and is used for: when the Braille interaction equipment is in the typing mode and a user applies external force to any contact group in the typing area, receiving a second electric signal output by the contact group, determining characters to be displayed corresponding to the received second electric signal according to the corresponding relation between the position of the contact group corresponding to a preset second electric signal and the characters, and transmitting the determined characters to be displayed to the control module.
2. A braille interaction device according to claim 1, characterized in that the first triboelectric generator is arranged in each of the contact sets in the typing zone, the analysis module being electrically connected with the first triboelectric generators;
the first electrical signal and the second electrical signal are the same signal.
3. A braille interaction device according to claim 2, characterized in that the first friction generator is arranged above at least part of the braille contacts of the set of contacts;
and/or the first friction generator is arranged in a position except the Braille contact in the contact group.
4. A braille interaction device according to claim 2, characterized in that it further comprises an energy storage module;
the energy storage module is electrically connected to each of the first friction generators and the control module for: and storing the second electric signal output by the first friction generator, and transmitting the stored second electric signal to the Braille contact corresponding to the character to be displayed in the display area under the control of the control module.
5. A braille interaction device according to claim 4, characterized in that the first friction generator is further arranged in each of the contact sets in the display area.
6. A braille interaction device according to claim 1, characterized in that the control module is particularly adapted to:
and when the Braille interaction equipment is in the typing mode, controlling the protrusion of each contact group in the typing area.
7. A braille interaction device according to claim 1, characterized in that the analysis module is further adapted to:
when the Braille interaction equipment is in a display mode and the Braille interaction equipment is determined to need to display the next page of content, determining the reference position of the contact group corresponding to a third electric signal according to the third electric signal output when the user applies external force to any contact group for the first time;
the control module is further configured to:
determining the reference position as the position of the initial character in the next page of content;
and defining each contact group behind the contact group corresponding to the reference position as a contact group to be selected according to a preset control sequence of each contact group, and controlling the reference position and each contact group to be selected to sequentially display characters in the next page of content according to the control sequence.
8. A braille interaction device according to claim 7, characterized in that the first triboelectric generator is arranged in each of the contact sets, the analysis module being electrically connected with the first triboelectric generator in each of the contact sets;
the third electrical signal is the same signal as the first electrical signal.
9. A braille interaction device according to claim 7, characterized in that the control module is further adapted to:
when the Braille interaction equipment is in the display mode and receives a signal to be displayed carrying the next page of content to be displayed of the Braille display structure, outputting a page turning instruction to the analysis module;
the analysis module is specifically configured to: and when the page turning instruction is received, determining that the Braille display structure needs to display the next page of content.
10. A braille interaction device according to claim 1, characterized in that the control module is further adapted to:
switching the working mode of the Braille interaction equipment according to a switching instruction input by a user, and outputting a control instruction carrying the switched working mode to the analysis module; wherein the operating modes include: a display mode and the typing mode;
the analysis module is specifically configured to: and determining the working mode of the Braille interaction equipment according to the received control instruction.
11. A braille interaction device according to claim 10,
the Braille interaction equipment further comprises a function switching key, and the control module is electrically connected with the function switching key and is specifically used for: when the user inputs the switching instruction through the function switching key, switching the working mode of the Braille interaction equipment;
or, the braille interactive device further comprises a voice collector, the control module is electrically connected with the voice collector and is specifically used for: and switching the working mode of the Braille interaction equipment when the voice information input by the user and collected by the voice collector is determined to be the switching instruction.
12. A braille interaction device according to any preceding claim 1-11, characterized in that the braille contact comprises: the contact and the braking structure are correspondingly arranged;
the braking structure is used for: and when the first electric signal is received, converting the first electric signal into kinetic energy, and controlling the protrusion of the contact through the kinetic energy.
13. A braille interaction device according to claim 12, characterized in that the braille display structure further comprises an auxiliary structure, each braille contact being arranged on a same surface of the auxiliary structure;
the braking structure includes: the dielectric elastic film is arranged between the auxiliary structure and the first electrode;
the interior of the auxiliary structure is a cavity filled with gas, the auxiliary structure comprising: the opening faces one side of the braking structures and is arranged corresponding to each braking structure.
14. A braille interaction device according to any preceding claim 1-11, characterized in that the control module comprises: the controller and the switches are electrically connected, the switches are connected with the Braille contacts in a one-to-one correspondence mode, and the switches are also electrically connected with the first friction generator;
the controller is configured to: and controlling the switch connected corresponding to the Braille contact to be in a conducting state according to the characters to be displayed so as to enable the switch to transmit the first electric signal output by the first friction generator to the corresponding Braille contact.
15. A braille interaction device according to claim 14, characterized in that the switch is a thin film transistor;
the grid electrode of the thin film transistor is electrically connected with the controller, the source electrode of the thin film transistor is electrically connected with the first friction generator, and the drain electrode of the thin film transistor is electrically connected with the Braille contact.
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| CN202011515677.0A CN112486327A (en) | 2020-12-21 | 2020-12-21 | Braille interaction equipment |
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| CN202011515677.0A CN112486327A (en) | 2020-12-21 | 2020-12-21 | Braille interaction equipment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1179816A2 (en) * | 2000-08-09 | 2002-02-13 | Laurel Precision Machines Co. Ltd. | Information input/output device for visually impaired users |
| CN101098357A (en) * | 2006-06-29 | 2008-01-02 | 北京三星通信技术研究有限公司 | Communication terminal for supporting braille input and method for transmitting braille using the terminal |
| CN101702267A (en) * | 2009-09-17 | 2010-05-05 | 杭州六易科技有限公司 | Electronic reading and inputting device specially used for blind person |
| CN202916795U (en) * | 2012-11-21 | 2013-05-01 | 纳米新能源（唐山）有限责任公司 | Self-powered wireless mouse |
| CN104571551A (en) * | 2013-10-18 | 2015-04-29 | 纳米新能源（唐山）有限责任公司 | Flexible membrane keyboard based on frictional machine and electronic product |
| CN107369361A (en) * | 2017-08-18 | 2017-11-21 | 京东方科技集团股份有限公司 | A kind of blind person's display panel and display device |
| CN110930829A (en) * | 2019-12-16 | 2020-03-27 | 大连理工大学 | Braille display screen applying electroactive polymer and display method thereof |
-
2020
- 2020-12-21 CN CN202011515677.0A patent/CN112486327A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1179816A2 (en) * | 2000-08-09 | 2002-02-13 | Laurel Precision Machines Co. Ltd. | Information input/output device for visually impaired users |
| CN101098357A (en) * | 2006-06-29 | 2008-01-02 | 北京三星通信技术研究有限公司 | Communication terminal for supporting braille input and method for transmitting braille using the terminal |
| CN101702267A (en) * | 2009-09-17 | 2010-05-05 | 杭州六易科技有限公司 | Electronic reading and inputting device specially used for blind person |
| CN202916795U (en) * | 2012-11-21 | 2013-05-01 | 纳米新能源（唐山）有限责任公司 | Self-powered wireless mouse |
| CN104571551A (en) * | 2013-10-18 | 2015-04-29 | 纳米新能源（唐山）有限责任公司 | Flexible membrane keyboard based on frictional machine and electronic product |
| CN107369361A (en) * | 2017-08-18 | 2017-11-21 | 京东方科技集团股份有限公司 | A kind of blind person's display panel and display device |
| CN110930829A (en) * | 2019-12-16 | 2020-03-27 | 大连理工大学 | Braille display screen applying electroactive polymer and display method thereof |
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