CN206931264U - Dragging type braille point shows device - Google Patents
Dragging type braille point shows device Download PDFInfo
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- CN206931264U CN206931264U CN201720057009.5U CN201720057009U CN206931264U CN 206931264 U CN206931264 U CN 206931264U CN 201720057009 U CN201720057009 U CN 201720057009U CN 206931264 U CN206931264 U CN 206931264U
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- round end
- thimble
- diameter
- braille point
- capacitance detection
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Abstract
Dragging type braille point shows device, and devising the braille point that a kind of cost is cheap and practicality is extremely strong using brand-new idea and method shows device.Dragging type braille point shows device and is made up of from top to down the aobvious array of eight points in one line, surface material layer, capacitance detection layers, magnetosphere, guide layer, fixed bed, wire, push-pull electromagnet and capacitance detection circuit and core processor.One point shows array and is made up of three rows, two row, six braille point positions, and each braille point position includes：Round end thimble, spring, wire.Round end thimble is made up of thimble post, round end, connection sheet and link slot, is each passed through surface material layer, capacitance detection layers, magnetosphere, guide layer from top to bottom.Component reusing technology method is a kind of power source component reusing technology method based on capacitance detection technique, is made up of mechanical component multiplexing scheme and software repeated usage algorithm two parts.
Description
Technical field
The invention belongs to blind person's educational facilities field, more particularly to a kind of dragging type braille point to show device and component reusing technology side
Method.
Background technology
Blind person can not normal use naked eyes read, they typically using Auditory Perception sound and touch and read braille point position
Mode obtains information, therefore the tactile technical ability for reading the necessary GPRS of often each blind person in braille point position that efficiency is higher.It is blind per side
Text includes six point positions, and six point positions are arranged according to the spacing of regulation in a manner of three rows two arrange.
At present, the information carrier of braille mainly has two classes, and the first kind is traditional books printed in braille, and the second class is with no paper
Braille point shows device, and compared to traditional books printed in braille, braille point, which shows device, has that capacity is big, can repeatedly, resource-saving, efficiency high
The advantage incomparable etc. traditional books printed in braille.In Braille reading field, braille point shows the demand of equipment just with informationization
Continuous development is constantly raising, and people are badly in need of a quality-high and inexpensive braille point and show device to fill up the huge vacancy in market.And
At present, the larger braille point of occupation rate of market shows device on the market（Such as Tsing-Hua University V3）It is all to be driven based on piezoelectric ceramic type, it is single
The price that the sky high cost of piezoelectric ceramics chip result in complete machine remains high, and result in this kind equipment and is difficult to really realize big rule
Mould is popularized.
At present, the braille point of in the market, which shows device, can mainly be categorized as following species：Piezoelectric ceramic type, Temperature Control Type, electricity thorn
Swash formula, mechanical displacement type, five kinds of electromagnetic pushing-type.Different types of braille point, which shows device, respective advantage and disadvantage, not excessive
It can not all reach while take into account the effect of practicality and low cost.
Component reusing technology method refers to a kind of method being controlled using single power source to multiple similar elements, and on
State five kinds of braille points and show device all without designing and using component reusing technology method, this also results in its internal point and shows efficiency of element phase
To low, the waste of resource is caused.
At present, the relevant report of device is also shown without dragging type braille point on the market.
The content of the invention
In view of the above, present invention is primarily aimed at provide a kind of dragging type braille point to show device and component reusing technology
Method, devise the braille point that a kind of cost is cheap and practicality is extremely strong using brand-new idea and method and show device.
The present invention is adopted the following technical scheme that to complete：
Dragging type braille point shows device and shows array, surface material layer, capacitance inspection by eight points in one line from top to down
Survey layer, magnetosphere, guide layer, fixed bed, wire, push-pull electromagnet and capacitance detection circuit and core processor group
Into, wherein surface material layer, capacitance detection layers, magnetosphere, guide layer, have 6X8 via on fixed bed.One point shows array
It is made up of three rows, two row, six braille point positions, each braille point position includes：Round end thimble, spring, wire.Round end thimble is by pushing up
Pin post, round end, connection sheet and link slot composition, are each passed through surface material layer, capacitance detection layers, magnetosphere, lead from top to bottom
To layer.The top of spring is wrapped on the link slot of connection sheet, and bottom is then vertically welded on the upper surface of fixed bed.
Component reusing technology method is a kind of power source component reusing technology method based on capacitance detection technique, is multiplexed by mechanical component
Scheme and software repeated usage algorithm two parts composition.Multiplexing software algorithm can detect that blind person touches reading in core process
Point show array positional information after, by braille code division be not stored in sequence in numbering be No. 1 to No. 8 variable in, according to hand
Finger, which touches reading location, to be included showing on array a little to the braille code stored in dependent variable；Mechanical component multiplexing scheme can make
Completed to put the control of 48 braille point positions corresponding to aobvious array from all directions with six push-pull electromagnets.
Further improvement of the present invention is, a diameter of 2.4mm of connection sheet, a diameter of 2mm of round end, and thimble column diameter is
1mm, the diameter of all through holes is 2mm on surface material layer, and all via diameters are 2.2mm on magnetosphere, capacitance detection
All via diameters are 2.2mm on layer, and all via diameters are 2.6mm on guide layer, and all vias is straight on fixed bed
Footpath is 1.6mm.The via diameter of fixed bed is more than the diameter of thimble post but less than the diameter of connection sheet, ensure that round end thimble bottom
Portion will not drop out；All via apertures on magnetosphere, capacitance detection layers and surface material layer are respectively less than the diameter of connection sheet, protect
Having demonstrate,proved the top of round end thimble will not eject.
Further improvement of the present invention is that the magnetosphere is using magnetic suck characteristic good and is easy to the rubber of processing soft
Magnetic sheet material.
Further improvement of the present invention is that round end and the thimble post of the round end thimble are plastic material, and connection sheet
It for ferrous material, can adsorb on magnetosphere, enhance the sense of touch of braille point position.Four link slots are devised in connection sheet,
For the connection of wire and the connection of spring.
Further improvement of the present invention is that wire uses 304 stainless steel extra-fine steel silk threads, and diameter only has 0.4mm.
Further improvement of the present invention is that it is multiple that the mode combined using electromagnet with spring completes putting for braille point position
Position.During set, electromagnet drawing wire make round end thimble move downward make braille point position be recessed；During reset, spring returns
Elastic force then can eject round end thimble upwards, so that braille point position is raised.
Compared with prior art, the present invention has advantages below：
The braille point that the present invention realizes a kind of new dragging type shows device, affects round end thimble to be put by wire
Position motion, the reseting movement of a braille point position, the machinery used by present invention use are completed with reference to the method for spring reset
It is simple in construction that there are easy production, small volume, low cost and other advantages.
Present invention uses a kind of brand-new component reusing technology method so that power source can be in the different periods for not
Same point shows array work, rather than in idle state, reducing small product size and having saved product cost at double, goes back simultaneously
The service efficiency of power source is improved, the power source efficiency of this equipment is that conventional point shows the octuple of equipment in theory.
The present invention can obtain the real time position of blind person's reader's finger, improve refreshing speed by capacitance detection technique
Degree and controllability, while improve the reading experience of blind person reader.
Mechanical fitting of the present invention is standard component, eliminates Machine Design and the procedure of processing of complexity, can be
The yields of product is lifted during assembling processing, while reduces the cost of equipment.
For the processor that the present invention uses for ARM core processors, versatility is high, portable strong, facilitates developer to enter one
Step exploitation.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is the structural principle blast installation diagram of the present invention；
Fig. 2 is the structural principle three-dimensional installation diagram of the present invention；
Fig. 3 is the structural principle top view of the present invention；
Fig. 4 is the round end thimble structure figure of the present invention；
Fig. 5 is the lead to the hole site numbering figure of the present invention；
Fig. 6 is the system principle diagram of the present invention；
Fig. 7 is the software flow figure of the present invention.
101. surface material layer in Fig. 1,102. through holes, 103. points of aobvious arrays, 104. capacitance detection layers, 105. magnetospheres,
106. round end, 107. connection sheets, 108. link slots, 109. thimble posts, 110. round end thimbles, 111. guide layers, 112. springs,
113. fixed bed, 114. wires, 115. wrapping posts, 116. electromagnet.
Embodiment
The braille point that the present invention includes a kind of dragging type shows equipment and its component reusing technology method.The braille point of dragging type is aobvious to be set
Standby to be made up of core processor, capacitance detection circuit, drive component, core processor enters with IIC agreements and capacitance detection circuit
Row information interacts, and sends drive signal to drive component by I/O port, drive component is driven to putting aobvious array 103.Component
Multiplexing method includes mechanical component multiplexing scheme and component reusing technology algorithm.The major function of the present invention is first to turn e-book resource
Turn to braille code, then pulled by steel wire, spring reset, magnetic keep, capacitance detection and component reusing technology method realize braille
The display of point position.
Wherein, core processor is using arm processor, has the advantages that Large Copacity, high-speed, general strong.Such as Fig. 6
Shown, processor will be stored in its internal e-book resource in advance and be converted into braille code, be detected in conjunction with the capacitance received
Circuit beams back the position signalling that value becomes electric capacity, and invocation component multiplexing algorithm comes to relay transmission control signal after analyzing and processing
Electromagnet 116 is controlled, and then realizes the driving to putting aobvious array 103 in a multiplexed manner.
Wherein, the core IC-components of capacitance detection circuit are capacitance detection chips, and its function is that detection human hand touches
Touch and caused by capacitance variations.As shown in figure 1, capacitance detection layers 104 be by it is a piece of by capacitance detection chip and other leads with
And deposited copper district's groups into printed circuit board.Aobvious battle array of any one point in the aobvious array 103 of eight points is touched when the finger of user
During row 103, the capacitor's capacity in the region of array 103 is shown by contact to change, and capacitance change can be delivered to by junction
Capacitance detection chip in capacitance detection layers 104, chip can further feed back signal to arm processor after treatment, thus real
Now to the real-time detection of tactile reading location.
Wherein, drive component.Drive component includes：Round end thimble 110, spring 112, wire 114, electromagnet 116.Such as
Shown in Fig. 4, round end thimble 110 is made up of thimble post 109, round end 106, connection sheet 107 and link slot 108, the edge of round end thimble 110
Axis direction is regularly inserted into connection sheet 107 so that round end 106 is that a fixation is whole with connection sheet 107 and thimble post 109
Body, four link slots 108 is provided with connection sheet 107 is circumferentially spaced, link slot 108 is used for and spring 112 and wire 114
Connection.As shown in figure 1, round end thimble 110 sequentially passes through surface material layer 101, capacitance detection layers 104, magnetic from top to bottom
Layer 105, guide layer 111.The top of spring 112 is intertwined and connected in the linked grooves 108 of connection sheet 107；Erect the bottom of spring 112
Directly it is welded on the upper surface of fixed bed 113.The one end of wire 114 is wrapped on round end thimble 110 by link slot 108, separately
One ends wound is on wrapping post 115.As shown in Fig. 3 and Fig. 2, electromagnet 116 is push-pull electromagnet, after relay power
The direction that wrapping post 115 can show array 103 to point of distance is shunk, and just stretchy round end thimble 110, which moves downward, makes braille point position
Depression；And electromagnet 116 will lose power to being unclamped close to the direction of the aobvious array 103 of point after relay powers off, now round end
Thimble 110 will eject upwards under the drive of spring 112, so that braille point position is raised.And magnetosphere 105 can be by irony
Connection sheet 107 adsorb, it is tightly bonded at the bottom of magnetosphere 105, such blind person is just not easy to depress round end 106 when touching and reading
Go.
A diameter of 2.4mm of connection sheet 107, a diameter of 2mm of round end, thimble column diameter are 1mm, on surface material layer 101
The diameter of all through holes 102 is 2mm, and all via diameters are 2.2mm on magnetosphere 105, are owned in capacitance detection layers 104
Via diameter is 2.2mm, and all via diameters are 2.6mm on guide layer 111, the diameter of all vias on fixed bed 113
For 1.6mm.According to above-mentioned aperture, spring 112 will drive connection sheet 107, and then drive whole round end thimble 110 in guide layer
Moved in 111 via, and because the via diameter of fixed bed 113 is more than the diameter of thimble post 109 but less than connection sheet 107
Diameter, therefore the track that moves downward of round end thimble 110 can be limited in the via of guide layer 111 by fixed bed, and magnetosphere
105th, capacitance detection layers 104, all via apertures on surface material layer 101 are respectively less than the diameter of connection sheet 107, therefore connect
The upward movement locus of piece has equally been limited in the via of guide layer 111.
Wherein, component reusing technology method.Blind person has a critically important feature when touching and reading braille, that is, blind person is once
It can only touch and read a character, and once can not simultaneously touch and read multiple characters, therefore, equipment only needs to know when blind person reads tactile
Which character, then the character is carried out a little to show.Traditional braille point shows device due to not knowing when blind person is touching reading
Which character, therefore it can only respectively be corresponded to using more set power sources and refresh the aobvious array 104 of multiple points.And present invention employs appearance
It is worth detection technique, its capacitance detection layers 104 can effectively detect that blind person's hand touches the position read with capacitance detection chip,
The point read so as to only need pointedly to refresh blind person to touch shows array 103, so it is only necessary that with a set of power source
Just the refreshing that multiple points are shown with array 103 can be completed.
In order to further illustrate component reusing technology method, below in conjunction with accompanying drawing point, three sections show array to electromagnet 116, point
103rd, the numbering of the position of through hole 102, mechanical component multiplexing scheme, component reusing technology software algorithm illustrate respectively.
The aobvious array 103 of electromagnet 116, point, the numbering of the position of through hole 102.As shown in figure 5, lead to corresponding to the aobvious array 103 of point
The position of hole 102 is by marked in Fig. 51 to 6, respectively lead to the hole site 1021, lead to the hole site 1022, lead to the hole site 1023, logical
Hole site 1024, lead to the hole site 1025, lead to the hole site 1026, arranged in double bar shapeds.As shown in figure 3, electromagnet 116 is according in figure
Numbering, it is electromagnet 1161, electromagnet 1162, electromagnet 1163, electromagnet 1164, electromagnet 1165, electricity respectively from below to up
Magnet 1166, semicircular in shape arrangement.As shown in figure 3, the aobvious array 103 of point according to being numbered in figure, is respectively the aobvious battle array of point from below to up
The aobvious array 1032 of row 1031, point, the aobvious array 1033 of point, the aobvious array 1034 of point, the aobvious array 1035 of point, the aobvious array 1036 of point, point are aobvious
The aobvious array 1038 of array 1037, point, is arranged in " 1 " font.
Mechanical component multiplexing scheme.Such as Fig. 1 and described above, electromagnet 116 completes blind with the mode that spring 112 is combined
Put reset in text point position.During set, electromagnet 116, which pulls wire 114, to be moved downward round end thimble 110 to make braille point position
Depression；During reset, the screen resilience of spring 112 then can eject round end thimble 110 upwards, so that braille point position is raised.Such as Fig. 3
And marked in Fig. 5 lead to the hole site numbering shown in, electromagnet 1161 it is above-mentioned put reset principle under respectively band dynamic point show array
1031 carry out putting reset simultaneously into the aobvious array 1038 of point positioned at eight round end thimbles 110 of lead to the hole site 1021.Electromagnet
1162 it is above-mentioned put to reset under principle band dynamic point respectively and show array 1031 into the aobvious array 1038 of point be located at lead to the hole site 1022
Eight round end thimbles 110 simultaneously carry out putting reset.Electromagnet 1163 then each similarly drives respective through hole to electromagnet 1166
Position 1023 is same to eight round end thimbles 110 respectively positioned at the aobvious array 1031 of point to the aobvious array 1038 of point of lead to the hole site 1026
Shi Jinhang puts reset.Thus the component reusing technology of power source just can be realized, lifts the service efficiency of power source.Specific corresponding relation is detailed
It is shown in Table 1.
The position table of 1. round end thimble of table 110
| Array where DM thimble | Electromagnet 1161 | Electromagnet 1162 | Electromagnet 1163 | Electromagnet 1164 | Electromagnet 1165 | Electromagnet 1166 |
| The aobvious array 1031 of point | Lead to the hole site 1021 | Lead to the hole site 1022 | Lead to the hole site 1023 | Lead to the hole site 1024 | Lead to the hole site 1025 | Lead to the hole site 1026 |
| The aobvious array 1032 of point | Lead to the hole site 1021 | Lead to the hole site 1022 | Lead to the hole site 1023 | Lead to the hole site 1024 | Lead to the hole site 1025 | Lead to the hole site 1026 |
| The aobvious array 1033 of point | Lead to the hole site 1021 | Lead to the hole site 1022 | Lead to the hole site 1023 | Lead to the hole site 1024 | Lead to the hole site 1025 | Lead to the hole site 1026 |
| The aobvious array 1034 of point | Lead to the hole site 1021 | Lead to the hole site 1022 | Lead to the hole site 1023 | Lead to the hole site 1024 | Lead to the hole site 1025 | Lead to the hole site 1026 |
| The aobvious array 1035 of point | Lead to the hole site 1021 | Lead to the hole site 1022 | Lead to the hole site 1023 | Lead to the hole site 1024 | Lead to the hole site 1025 | Lead to the hole site 1026 |
| The aobvious array 1036 of point | Lead to the hole site 1021 | Lead to the hole site 1022 | Lead to the hole site 1023 | Lead to the hole site 1024 | Lead to the hole site 1025 | Lead to the hole site 1026 |
| The aobvious array 1037 of point | Lead to the hole site 1021 | Lead to the hole site 1022 | Lead to the hole site 1023 | Lead to the hole site 1024 | Lead to the hole site 1025 | Lead to the hole site 1026 |
| The aobvious array 1038 of point | Lead to the hole site 1021 | Lead to the hole site 1022 | Lead to the hole site 1023 | Lead to the hole site 1024 | Lead to the hole site 1025 | Lead to the hole site 1026 |
Component reusing technology algorithm.As shown in fig. 7, the specific implementation step of algorithm is as follows：
The first step, arm processor convert text to braille code and are stored in buffer area.
Second step, from 8 braille codes before buffer area extraction, No. 1 to No. 8 is stored in respectively in totally 8 variables.
3rd step, processor show array 103 to 8 points of equipment and are polled detection, whether survey it by tactile reading.
4th step, if detecting that X point shows array 103 and touches reading by finger, then processor will be from X
Information is extracted in variable, 8 points of device, which show array 103, will show X braille code together（Because blind person can only once touch
Read a point and show array 103, therefore only need to correctly indicate a need for being touched the braille of reading in the X position read, its
The braille information of its position can carry out refreshing further according to positional information after the change of tactile reading location and show）.If not by tactile reading,
Without any operation, into the 5th step.
Whether the 5th step, 8 braille codes of detection had all been read by tactile, and had run through complete if tactile, return to second
Step；Complete, the 3rd step of return is run through if touched.
Claims (6)
1. dragging type braille point shows device, it is characterised in that shows array by eight points in one line from top to down（103）, table
Cover material layer（101）, capacitance detection layers（104）, magnetosphere（105）, guide layer（111）, fixed bed（113）, wire
（114）, push-pull electromagnet（116）And capacitance detects circuit and core processor composition, wherein surface material layer（101）、
Capacitance detection layers（104）, magnetosphere（105）, guide layer（111）, fixed bed（113）On have 6X8 via；One point shows battle array
Row（103）It is made up of three rows, two row, six braille point positions, each braille point position includes：Round end thimble（110）, spring（112）, steel
Silk thread（114）.
2. dragging type braille point according to claim 1 shows device, it is characterised in that round end thimble（110）By thimble post
（109）, round end（106）, connection sheet（107）And link slot（108）Composition, round end thimble（110）Regularly insert in the axial direction
Mounted in connection sheet（107）In so that round end（106）With connection sheet（107）And thimble post（109）Entirety is fixed for one, is being connected
Piece（107）It is circumferentially spaced to be provided with four link slots（108）, connection sheet（107）A diameter of 2.4mm, round end（106）Diameter
For 2mm, thimble post（109）A diameter of 1mm.
3. dragging type braille point according to claim 2 shows device, it is characterised in that the round end thimble（110）Circle
Head（106）With thimble post（109）For plastic material, and connection sheet（107）For ferrous material, can adsorb in magnetosphere（105）
On.
4. dragging type braille point according to claim 1 shows device, it is characterised in that the round end thimble divides from top to bottom
Chuan Guo not surface material layer（101）, capacitance detection layers（104）, magnetosphere（105）, guide layer（111）；Spring（112）Top
It is wrapped in connection sheet（107）Link slot（108）On, bottom is then vertically welded on fixed bed（111）Upper surface；Wire
（114）Using a diameter of 0.4mm 304 wires, one end passes through link slot（108）It is wrapped in round end thimble（110）On, it is another
End is wrapped in wrapping post（115）On.
5. dragging type braille point according to claim 1 shows device, it is characterised in that surface material layer（101）It is upper all
Through hole（102）Diameter be 2mm, magnetosphere（105）Upper all via diameters are 2.2mm, capacitance detection layers（104）Upper institute
It is 2.2mm to have via diameter, guide layer（111）Upper all via diameters are 2.6mm, fixed bed（113）Upper all vias
A diameter of 1.6mm；That is fixed bed（113）Via diameter be more than thimble post（109）Diameter but be less than connection sheet（107）'s
Diameter；Magnetosphere（105）, capacitance detection layers（104）And surface material layer（101）On all via apertures be respectively less than connection sheet
（107）Diameter.
6. dragging type braille point according to claim 1 shows device, it is characterised in that the magnetosphere（105）Use rubber
Glue soft magnetism plate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057009.5U CN206931264U (en) | 2017-01-18 | 2017-01-18 | Dragging type braille point shows device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057009.5U CN206931264U (en) | 2017-01-18 | 2017-01-18 | Dragging type braille point shows device |
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| Publication Number | Publication Date |
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| CN206931264U true CN206931264U (en) | 2018-01-26 |
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ID=61349429
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| CN201720057009.5U Expired - Fee Related CN206931264U (en) | 2017-01-18 | 2017-01-18 | Dragging type braille point shows device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781881A (en) * | 2017-01-18 | 2017-05-31 | 四川大学 | A kind of dragging type braille point shows device and component reusing technology method |
| CN110843352A (en) * | 2019-10-31 | 2020-02-28 | 温州职业技术学院 | Paper-cut printer |
-
2017
- 2017-01-18 CN CN201720057009.5U patent/CN206931264U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781881A (en) * | 2017-01-18 | 2017-05-31 | 四川大学 | A kind of dragging type braille point shows device and component reusing technology method |
| CN110843352A (en) * | 2019-10-31 | 2020-02-28 | 温州职业技术学院 | Paper-cut printer |
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