CN107066101A - The tactile display device of contact pilotage self-locking - Google Patents
The tactile display device of contact pilotage self-locking Download PDFInfo
- Publication number
- CN107066101A CN107066101A CN201710312724.3A CN201710312724A CN107066101A CN 107066101 A CN107066101 A CN 107066101A CN 201710312724 A CN201710312724 A CN 201710312724A CN 107066101 A CN107066101 A CN 107066101A
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- Prior art keywords
- pole wall
- electromagnetic pole
- needle body
- self
- turnbarrel
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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
-
- 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- Educational Administration (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of tactile display device of contact pilotage self-locking.Touch in the suit top sleeve of needle body top, top sleeve is provided with along vertical axial guide groove, touch needle body top and be fixedly connected with horizontal pin, horizontal pin insertion guide groove；Touch needle body bottom and formation leading screw revolute pair in turnbarrel top is sleeved on by self-locking thread, turnbarrel is provided with horizontal through hole, and magnetic rod level is mounted in horizontal through hole with wearing；Turnbarrel is connected with short axle, and bearing backing plate upper end center is provided with centre bore, and short axle, which is inserted into centre bore, causes turnbarrel and bearing backing plate to constitute revolute pair connection；U-shaped electromagnet is main to be made up of left electromagnetic pole wall and right electromagnetic pole wall and middle magnetic patch, and bearing backing plate is placed between the left electromagnetic pole wall of U-shaped electromagnet and right electromagnetic pole wall and on middle magnetic patch.Apparatus of the present invention compact conformation, can realize the projection for touching needle body and self-locking, available for braille or the tactile display of figure.
Description
Technical field
The present invention relates to the electromagnetic actuator device of linear movement, filled more particularly, to a kind of tactile display of contact pilotage self-locking
Put.
Technical background
Whole world blind person's quantity reaches 2.85 hundred million people at present, and China is the most country of blind person in the world.Due to eyesight by
Damage, blind person is merely able to obtain external information by tactile and the sense of hearing, and paper is made tactile pattern or Braille by conventional method,
Cognitive Map picture or word are touched for blind person.
Compared with traditional paper material, blind person with greater need for be one and can in real time refresh, replace the pixel of vision
The tactile display device of contact is changed into, so as to rapidly obtain image information.Pass through the tactile display device refreshed in real time, blind person
The image or word in tactile cognitive device can be used, tactile pattern or word are understood with a kind of natural interactive mode.
Although having occurred in that the tactile auxiliary equipment of many similar functions on the market, cost and price are excessively high
It is high, and power consumption is also very big, although other small-size equipment cost is controlled, has run counter to the touch of blind person typically
Custom, interactive mode and interactive experience be not good.
Therefore, prior art has lacked that a kind of cost is low, experience sense is strong, easy to carry and fast response time, can be achieved i.e.
When read, can fast refresh, the pixel of vision is substituted for the blind touch cognitive device of contact.
The content of the invention
It is an object of the invention to provide a kind of tactile display device of contact pilotage self-locking, the up and down motion of needle body can be touched
And automatic fastening function.Braille tactile display device or figure tactile display device can be freely formed, is recognized for blind touch
Know braille and figure, can be achieved to touch the real-time refreshing of needle body, largely also reduce power consumption.
The technical solution adopted for the present invention to solve the technical problems is：
Of the invention to be mainly made up of multiple touch single needle components, touching single needle component includes setting gradually installation from top to bottom
Touch needle body, turnbarrel, bearing backing plate and U-shaped electromagnet；Touch in the suit top sleeve of needle body top, in the sleeve of top
Symmetrical both sides inwall is provided with along vertical axial guide groove, is touched and is fixedly connected with water on the symmetrical both sides outer wall in needle body top
In flat-sale, horizontal pin insertion guide groove so that touch needle body and be limited along vertical axes to moving up and down；Needle body bottom is touched to be provided with
External screw thread, turnbarrel endoporus is provided with internal thread, touches needle body bottom and is sleeved on shape in turnbarrel top by self-locking thread
Into leading screw revolute pair, turnbarrel bottom is provided with horizontal through hole, and magnetic rod level is mounted in horizontal through hole with wearing；Turnbarrel
Lower end center is connected with short axle, and bearing backing plate upper end center is provided with centre bore, and short axle, which is inserted into centre bore, causes turnbarrel
Revolute pair connection is constituted with bearing backing plate；U-shaped electromagnet mainly by left electromagnetic pole wall and right electromagnetic pole wall and is connected to left electricity
Middle magnetic patch between magnetic pole wall and right electromagnetic pole wall bottom is constituted, and bearing backing plate is placed on the left electromagnetic pole wall of U-shaped electromagnet
Between right electromagnetic pole wall and on middle magnetic patch.
The magnetic rod is located between left electromagnetic pole wall and right electromagnetic pole wall, and the magnetic pole pole at the horizontal two ends of magnetic rod
Property is on the contrary, the pole polarity of left electromagnetic pole wall and right electromagnetic pole wall is opposite.
Pass through the magnetic attraction of left electromagnetic pole wall and right electromagnetic pole wall to magnetic rod two ends after U-shaped electromagnet energization work
Turnbarrel rotation is driven, and then is driven by leading screw revolute pair and touches needle body along vertical axes to moving up and down.
The pole polarity of left electromagnetic pole wall and right electromagnetic pole wall is inverted by inverting U-shaped electromagnet electrical current direction,
And then the direction of magnetic rod two ends magnetic attraction, and then reversion rotation sleeve rotating direction are inverted, rotated eventually through leading screw
Pair make it that touch needle body inverts along vertical axes to the direction moved up and down.
The length that the constant bar stretches out horizontal through hole two ends is identical.
Described constant bar and horizontal through hole interference fits.
Described short axle and center interporal lacuna coordinate.
The sky for winding magnet coil is left between described bearing backing plate bottom and the middle magnetic patch of U-shaped electromagnet
Between, magnet coil is wound on the middle magnetic patch of U-shaped electromagnet bottom.
The invention has the advantages that：
1st, the present invention uses screw thread automatic locking structure, and stability is good, and reliability is high, can substantially reduce power consumption, reduces
Electromagnetic heating；
2nd, the present invention can independent assortment be arranged in braille tactile display device or figure tactile display device, for blind person touch
Feel cognitive braille and figure, and the characteristics of with fast refresh.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the front view of working position of the present invention and inoperative position.
Fig. 3 is the top view of working position of the present invention and inoperative position.
Fig. 4 is the schematic diagram of inventive touch needle body head thread self-locking.
In figure：1st, needle body is touched, 2, turnbarrel, 3, magnetic rod, 4, bearing backing plate, 5, electromagnet, 6, horizontal pin, 7,
Self-locking thread, 8, short axle, 9, centre bore, 10, left electromagnetic pole wall, 11, right electromagnetic pole wall, 12, magnet coil, 13, horizontal through hole,
14th, top sleeve, 15, guide groove.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, present invention specific implementation includes multiple touch single needle components, it is each to touch single needle component from top to bottom
Set gradually touch needle body 1, turnbarrel 2, bearing backing plate 4 and the U-shaped electromagnet 5 of installation.
As shown in figure 1, touching in the suit top sleeve 14 of the top of needle body 1, symmetrical both sides inwall is set in top sleeve 14
Have along vertical axial guide groove 15, touch and be fixedly connected with horizontal pin 6, horizontal pin 6 on the symmetrical both sides outer wall in the top of needle body 1
In embedded guide groove 15 so that touch needle body 1 and be limited along vertical axes to moving up and down；Touch the bottom of needle body 1 and be provided with external screw thread,
The endoporus of turnbarrel 2 is provided with internal thread, and the touch bottom of needle body 1 is sleeved in the top of turnbarrel 2 by self-locking thread 7 forms silk
Thick stick revolute pair, the bottom of turnbarrel 2 is provided with horizontal through hole 13, and the level of magnetic rod 3 is mounted in horizontal through hole 13 with wearing；Rotary sleeve
2 lower end centers of cylinder are connected with short axle 8, and the upper end center of bearing backing plate 4 is provided with centre bore 9, and short axle 8, which is inserted into centre bore 9, to be caused
Turnbarrel 2 and bearing backing plate 4 constitute revolute pair connection；U-shaped electromagnet 5 is main by left electromagnetic pole wall 10 and right electromagnetic pole wall 11
And the middle magnetic patch being connected between left electromagnetic pole wall 10 and the right bottom of electromagnetic pole wall 11 is constituted, bearing backing plate 4 is placed on U-shaped
Between the left electromagnetic pole wall 10 and right electromagnetic pole wall 11 of electromagnet 5 and on middle magnetic patch.
Magnetic rod 3 is located between left electromagnetic pole wall 10 and right electromagnetic pole wall 11, and the magnetic pole at the horizontal two ends of magnetic rod 3
Opposite polarity, left electromagnetic pole wall 10 is opposite with the pole polarity of right electromagnetic pole wall 11.
Constant bar 3 and the interference fits of horizontal through hole 13, the i.e. diameter of constant bar 3 are micro- straight more than horizontal through hole 13
Footpath, to ensure the movement that shifted in the horizontal through hole 13 that constant bar 3 will not be below turnbarrel 2.
Short axle 8 and the gap of centre bore 9 coordinate, i.e. the micro- short axle 8 more than turnbarrel 2 of the internal diameter of centre bore 9 of bearing backing plate 4
Diameter, to ensure that turnbarrel 2 can be in the cofree rotation of bearing backing plate 4.
The space for winding magnet coil 12 is left between the bottom of bearing backing plate 4 and the middle magnetic patch of U-shaped electromagnet 5,
Magnet coil 12 is wound on the middle magnetic patch of the U-shaped bottom of electromagnet 5.
As shown in figure 4, the screw thread self-locking principle of inventive touch single needle component is：
When touching needle body threadingly face downslide, axial load FQThe active force that needle body glides is touched for driving, F is obstruction
Touch the active force that needle body glides, frictional force FfDirection with touch needle body the direction of motion it is opposite.By FR, F and FQThe power of composition
Polygon Closed Graph can be obtained：
F=FQ tan(λ-ρ)
Wherein, λ represents lead angle, and ρ represents angle of friction；
Now, when the internal thread of turnbarrel circles, input work is W1=FQS, S represent lead, and output work is W2
=F π d2, then the efficiency of screw pair be：
In formula, d2The pitch diameter of thread is represented, η is the efficiency of screw pair, and λ is the slope of screw pair, and ρ is the friction system of screw pair
Number.As λ≤ρ, i.e. η≤0, illustrate no matter FQPower is much, touch needle body can not all move, it is possible to achieve touch needle body from
Lock.
The operation principle of the present invention is as follows：
As shown in Figures 2 and 3, the expression inoperative position on the left side, the expression working position on the right, lead to forward direction when giving electromagnet 5
During electric current, now touch needle body 1 and be in inoperative position.When leading to reverse current to electromagnet 5, turnbarrel 2 is in electromagnetic force
Rotate, moved upwards so that touching needle body 1, in working position under effect.
Touch the process that needle body rises to working position (Fig. 2 and Fig. 3 right side)：By giving magnet coil 12 logical positive electricity
Stream so that the left electromagnetic pole wall 11 formation S poles of U-shaped electromagnet 5, the right formation N of electromagnetic pole wall 10 poles, respectively with the S of magnetic rod 3
Pole and N are extremely attracting, promote turnbarrel 2 to rotate forward, and are promoted through self-locking thread 7 and touch the motion upwards of needle body 1.After power-off,
Needle body 1 is touched due to the self-locking of self-locking thread 7, will not freely move downward, be maintained at working position.
Touch the process that needle body drops to inoperative position (Fig. 2 and Fig. 3 left side)：By giving magnet coil 12 logical reverse electricity
Stream so that the left electromagnetic pole wall 11 formation N poles of U-shaped electromagnet 5, the right formation S of electromagnetic pole wall 10 poles, respectively with the S of magnetic rod 3
Pole and N poles are repelled each other, and promote turnbarrel 2 to rotate backward, and promote touch needle body 1 to move downward through self-locking thread 7.
As can be seen here, the present invention can realize the projection for touching needle body and self-locking, available for braille or the tactile display of figure,
Significant technique effect is protruded with it.
Claims (8)
1. a kind of tactile display device of contact pilotage self-locking, it is characterised in that：Including multiple touch single needle components, single needle component is touched
Touch needle body (1), turnbarrel (2), bearing backing plate (4) and U-shaped electromagnet (5) including setting gradually installation from top to bottom；
Touch in needle body (1) top suit top sleeve (14), the symmetrical both sides inwall of top sleeve (14) inwall is provided with along vertical axes
To guide groove (15), touch the symmetrical both sides outer wall in needle body (1) top on be fixedly connected with horizontal pin (6), horizontal pin (6) is embedding
Enter in guide groove (15) so that touch needle body (1) and be limited along vertical axes to moving up and down；Needle body (1) bottom is touched provided with outer
Screw thread, turnbarrel (2) endoporus is provided with internal thread, touches needle body (1) bottom and is sleeved on turnbarrel by self-locking thread (7)
(2) leading screw revolute pair is formed in top, turnbarrel (2) bottom is provided with horizontal through hole (13), and magnetic rod (3) level wears ground
Mounted in horizontal through hole (13)；Turnbarrel (2) lower end center is connected with short axle (8), and bearing backing plate (4) upper end center is provided with center
Hole (9), short axle (8), which is inserted into centre bore (9), causes turnbarrel (2) and bearing backing plate (4) to constitute revolute pair connection；It is U-shaped
Electromagnet (5) mainly by left electromagnetic pole wall (10) and right electromagnetic pole wall (11) and is connected to left electromagnetic pole wall (10) and right electromagnetism
Middle magnetic patch between pole wall (11) bottom is constituted, and bearing backing plate (4) is placed on the left electromagnetic pole wall (10) of U-shaped electromagnet (5)
Between right electromagnetic pole wall (11) and on middle magnetic patch.
2. a kind of tactile display device of contact pilotage self-locking according to claim 1, it is characterised in that：The magnetic rod
(3) it is located between left electromagnetic pole wall (10) and right electromagnetic pole wall (11), and the pole polarity phase at magnetic rod (3) horizontal two ends
Instead, the pole polarity of left electromagnetic pole wall (10) and right electromagnetic pole wall (11) is opposite.
3. a kind of tactile display device of contact pilotage self-locking according to claim 2, it is characterised in that：U-shaped electromagnet (5) is led to
The magnetic attraction at magnetic rod (3) two ends is driven by left electromagnetic pole wall (10) and right electromagnetic pole wall (11) after electricity work and rotated
Sleeve (2) rotates, and then is driven by leading screw revolute pair and touch needle body (1) along vertical axes to moving up and down.
4. a kind of tactile display device of contact pilotage self-locking according to claim 2, it is characterised in that：By inverting U-shaped electricity
Magnet (5) electrical current direction inverts the pole polarity of left electromagnetic pole wall (10) and right electromagnetic pole wall (11), and then inverts forever
The direction of bar magnet (3) two ends magnetic attraction, and then reversion rotation sleeve (2) direction of rotation, make eventually through leading screw revolute pair
Needle body (1) must be touched to invert along vertical axes to the direction moved up and down.
5. a kind of tactile display device of contact pilotage self-locking according to claim 1, it is characterised in that：The constant bar
(3) length for stretching out horizontal through hole (13) two ends is identical.
6. a kind of tactile display device of contact pilotage self-locking according to claim 1, it is characterised in that：Described constant bar
And horizontal through hole (13) interference fits (3).
7. a kind of tactile display device of contact pilotage self-locking according to claim 1, it is characterised in that：Described short axle (8)
Coordinate with centre bore (9) gap.
8. a kind of tactile display device of contact pilotage self-locking according to claim 1, it is characterised in that：Described bearing backing plate
(4) space for winding magnet coil (12), magnet coil are left between the middle magnetic patch of bottom and U-shaped electromagnet (5)
(12) on the middle magnetic patch for being wound on U-shaped electromagnet (5) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312724.3A CN107066101B (en) | 2017-05-05 | 2017-05-05 | Touch display device with self-locking contact pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710312724.3A CN107066101B (en) | 2017-05-05 | 2017-05-05 | Touch display device with self-locking contact pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107066101A true CN107066101A (en) | 2017-08-18 |
| CN107066101B CN107066101B (en) | 2023-07-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710312724.3A Active CN107066101B (en) | 2017-05-05 | 2017-05-05 | Touch display device with self-locking contact pin |
Country Status (1)
| Country | Link |
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| CN (1) | CN107066101B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834804A (en) * | 2017-12-11 | 2018-03-23 | 浙江理工大学 | For dot matrix image shaping and the linear stepping motor of touch feedback |
| CN108735048A (en) * | 2018-07-05 | 2018-11-02 | 浙江理工大学 | The braille display device of electromagnetic drive cam self-locking link transmission |
| CN108766129A (en) * | 2018-07-05 | 2018-11-06 | 浙江理工大学 | The fixed braille dot matrix molding machine of self-locking type belt |
| CN110033674A (en) * | 2019-01-17 | 2019-07-19 | 浙江理工大学 | Tactile sense reproduction rotary self-locking formula braille dot matrix display device |
| CN111081121A (en) * | 2019-12-24 | 2020-04-28 | 北京三叶星云互动科技有限公司 | Linear driving device, touch display device and miniature electronic lock |
| CN112166462A (en) * | 2018-04-24 | 2021-01-01 | ***·皮特 | Magnetically programmable actuator for haptic information transfer |
| CN112292722A (en) * | 2018-05-24 | 2021-01-29 | 株式会社Dot | Information output device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834804A (en) * | 2017-12-11 | 2018-03-23 | 浙江理工大学 | For dot matrix image shaping and the linear stepping motor of touch feedback |
| CN107834804B (en) * | 2017-12-11 | 2023-08-18 | 浙江理工大学 | Linear stepper motor for dot matrix image forming and haptic feedback |
| CN112166462A (en) * | 2018-04-24 | 2021-01-01 | ***·皮特 | Magnetically programmable actuator for haptic information transfer |
| US11436943B2 (en) | 2018-04-24 | 2022-09-06 | Polymer Braille Inc. | Magnetically programmable actuators for tactile conveyance of information |
| CN112292722A (en) * | 2018-05-24 | 2021-01-29 | 株式会社Dot | Information output device |
| CN112292722B (en) * | 2018-05-24 | 2023-02-17 | 株式会社Dot | Information output device |
| CN108735048A (en) * | 2018-07-05 | 2018-11-02 | 浙江理工大学 | The braille display device of electromagnetic drive cam self-locking link transmission |
| CN108766129A (en) * | 2018-07-05 | 2018-11-06 | 浙江理工大学 | The fixed braille dot matrix molding machine of self-locking type belt |
| CN108735048B (en) * | 2018-07-05 | 2023-10-13 | 浙江理工大学 | Braille display device driven by electromagnetic driving cam self-locking connecting rod |
| CN110033674A (en) * | 2019-01-17 | 2019-07-19 | 浙江理工大学 | Tactile sense reproduction rotary self-locking formula braille dot matrix display device |
| CN110033674B (en) * | 2019-01-17 | 2024-02-23 | 浙江理工大学 | Touch sense reproduction rotary self-locking braille lattice display device |
| CN111081121A (en) * | 2019-12-24 | 2020-04-28 | 北京三叶星云互动科技有限公司 | Linear driving device, touch display device and miniature electronic lock |
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|---|---|
| CN107066101B (en) | 2023-07-18 |
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