CN101369186A - Flexible fabric keyboard - Google Patents
Flexible fabric keyboard Download PDFInfo
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- CN101369186A CN101369186A CNA2008101522944A CN200810152294A CN101369186A CN 101369186 A CN101369186 A CN 101369186A CN A2008101522944 A CNA2008101522944 A CN A2008101522944A CN 200810152294 A CN200810152294 A CN 200810152294A CN 101369186 A CN101369186 A CN 101369186A
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Abstract
The invention relates to a flexible fabric keyboard, which comprises a key-press layer, a functional layer and an insulating layer, and is characterized in that the functional layer is a three-dimensional flexible fabric woven and formed by insulating yarns and leads continuously; the radial cross section of the fabric adopts a structure composed of support units and hole units woven continuously and alternately, and the hole units are in one-to-one correspondence with key-press positions of the key-press layer; warp-wise leads with rather long floats inside are embedded into the upper layer of the fabric of the hole units to form an array circuit; weft-wise leads with rather long floats inside are embedded into the lower layer of the fabric of the hole units to form a line circuit; and the hole units have the following fabric structure: when any key-press on the key-press layer is pressed, the warp-wise lead on the upper layer of the key-press corresponding to the hole unit will be in contact with the weft-wise lead on the lower layer thereof effectively so as to conduct a keyboard switching circuit; and the support units have the following fabric structure: when any key-press on the key-press layer is released, the support unit adjacent to the hole unit corresponding to the key-press can restore the hole unit and switch off the keyboard switching circuit.
Description
Technical field
The present invention relates to computer keyboard technique, specifically is that a kind of functional layer is the flexible fabric keyboard of three-dimension integrally fabric, and international monopoly Main classification number plan is Int.Cl.G06 F3/02 (2006.01) I.
Background technology
Be used for more existing bibliographical informations of fabric keyboard of computing machine at home and abroad, for example, Chinese patent (200610050453.0) has been reported a kind of " flexible fabric keyboard ".This flexible fabric keyboard comprises key layer, goes up circuit layer, separation layer and following circuit layer, constitutes by nonconducting fabric, and from top to bottom arranges successively; The upper surface sign of described key layer has the key position of keyboard; Lay on the separation layer and key position hole one to one; Last circuit layer and following circuit layer are provided with the circuit of definition row and the circuit of definition line respectively, and in the relevant position of separation layer hole corresponding one by one electrode are set, and two circuit are connected to a signaling interface.The deficiency of this keyboard is: separation layer and the following circuit layer of going up circuit layer, centre all are independent woven plains cloth, and need require to dig out corresponding one by one hole (perpendicular to the fabric plane) independently of one another according to the key position, and then as requested last circuit layer, separation layer and following circuit layer are bonded as keyboard switch integral body with bonding agent.Therefore weaving process is complicated respectively for this keyboard, and is strict to digging out hole, but it is big to weave difference at random, and each layer weaves not only time and effort consuming separately, and increased difficulty for the location when closing layer, and quality is restive and guarantee.The disclosed fabric keyboard number of plies of United States Patent (USP) (US006861961B2) is more, maximum has 7 layers: from top to bottom be last insulation course successively, go up circuit layer, insulation course, intermediate conductive layer, insulation course, descend circuit layer and following insulation course, key device is installed between insulation course and the last circuit layer, perhaps descends between circuit layer and the following insulation course; On this basis, design 5 layers again, promptly removed the insulation course of going up between circuit layer and intermediate conductive layer and intermediate conductive layer and the following circuit layer; Further design 4 layers of keyboard again, promptly removed intermediate conductive layer again.The deficiency of this keyboard is: exist each layer fabric equally and weave separately, multilayer build-up becomes an integral body, demands strict technology, and assembly is wasted time and energy, the low deficiency that waits of efficient.Can see also simultaneously that reducing the number of plies is the developing direction of fabric keyboard technical progress.
Summary of the invention
At the deficiencies in the prior art, the technical matters that the present invention mainly solves is that a kind of flexible fabric keyboard is provided.This keyboard adopts one deck three dimensional fabric to do functional layer, and it is good to have one-piece construction, and one-shot forming is fast, production efficiency height, characteristics such as easy industrializing implementation.
The technical scheme that the present invention solve the technical problem is: design a kind of flexible fabric keyboard, comprise key layer, functional layer and insulation course, it is characterized in that described functional layer is the three-dimension flexible fabric of insulative yarn and the continuous weaving of lead; The warp cross section of this three-dimension flexible fabric is for replacing woven support unit and hole cellular construction continuously, and the hole unit is corresponding one by one with the key position of key layer; The upper layer of fabric of hole unit implant the floating long line in the inside long through guiding line, the column circuits of formation functional layer; Implant the long broadwise lead of the floating long line in the inside accordingly at the layer fabric of hole unit, constitute the capable circuit of functional layer; And described hole unit has following fabric construction: when the arbitrary button pressurized on the key layer, the upper warp lead of the corresponding hole of this button unit can effectively contact the conducting keyboard switch circuit with lower floor broadwise lead; Described support unit has following fabric construction: when the arbitrary button release of pressure on the key layer, the support unit adjacent with the corresponding hole of this button unit can make the described hole unit restore to the original state, and disconnects keyboard switch circuit.
Compared with prior art, the beneficial effect of flexible fabric keyboard of the present invention is: functional layer is made of one deck three-dimension flexible fabric of integral body, can on ordinary loom, realize weaving continuously, Integratively formed, do not need hole location and the interlayer location and the bonding more complicated manufacturing process of every layer of strictness of sandwich construction, therefore the independent method for weaving of every layer of fabric of fabric knitting time ratio significantly reduces, product quality and weave and make efficient with keyboard and significantly improve, also greatly reduce the cost of flexible fabric keyboard, be suitable for industrialization promotion and use, help the development and the practical application of electronic textile and clothes.
Description of drawings
The one-piece construction shape synoptic diagram of a kind of embodiment of Fig. 1 flexible fabric keyboard of the present invention;
The implantation of a kind of embodiment of Fig. 2 flexible fabric keyboard of the present invention is through the structural representation of guiding line functional layer;
The structural representation of the implantation broadwise lead functional layer of a kind of embodiment of Fig. 3 flexible fabric keyboard of the present invention;
A kind of embodiment functional layer of Fig. 4 flexible fabric keyboard of the present invention support unit warp cross section is the synoptic diagram of " X " shape structure;
A kind of embodiment functional layer of Fig. 5 flexible fabric keyboard of the present invention support unit warp cross section is the synoptic diagram of trapezium structure;
A kind of embodiment functional layer of Fig. 6 flexible fabric keyboard of the present invention support unit warp cross section is the chain synoptic diagram that runs through the access node structure in angle;
A kind of embodiment functional layer of Fig. 7 flexible fabric keyboard of the present invention support unit warp cross section is the synoptic diagram of angle chain layering access node structure.
Embodiment
Further narrate the present invention below in conjunction with embodiment and accompanying drawing thereof:
The flexible fabric keyboard of the present invention's design is (hereinafter to be referred as keyboard, referring to Fig. 1-7), comprise key layer 1, functional layer 2 and insulation course 3 (referring to Fig. 1), it is characterized in that the three-dimension flexible fabric (hereinafter to be referred as fabric) of described functional layer 2 for insulative yarn 25 and lead 24 continuous weavings; The warp cross section of this fabric is for replacing woven support unit 21 and hole unit 22 structures continuously, and hole unit 22 is corresponding one by one with the key position of key layer 1; The upper layer of fabric of described hole unit 22 implant the floating long line in the inside long through guiding line 241 (referring to Fig. 2), the column circuits of formation functional layer 2; Implant the long broadwise lead 242 (referring to Fig. 3) of the floating long line in the inside accordingly at the layer fabric of described hole unit 22, constitute the capable circuit of functional layer 2; And described hole unit 22 has following fabric construction: when the arbitrary button pressurized on the key layer 1, the described upper warp lead 241 of the hole unit 22 of this button correspondence can effectively contact the conducting keyboard switch circuit with described lower floor broadwise lead 242; Described support unit 21 has following fabric construction: when the arbitrary button release of pressure on the key layer 1, the hole unit 22 adjacent support units 21 corresponding with this button can make described hole unit 22 restore to the original state, and disconnect keyboard switch circuit.
The described fabric of keyboard of the present invention is made of support unit 21 and the hole unit 22 that warp cross section replaces continuously.Described support unit 21 (referring to Fig. 4-7) is meant that the column circuits for described fabric upper strata provides the fabric that separates disconnection or state of insulation to support part with the capable circuit of fabric lower floor.The described support unit 21 of designing requirement has following fabric construction: when the arbitrary button on the key layer 1 is released (mistake) pressure, the hole unit 22 adjacent support units 21 corresponding with this button can make this hole unit 22 restore to the original state, be can effectively disengaging of described upper strata, disconnect keyboard switch circuit through the broadwise lead 242 of guiding line 241 with described lower floor.
The further feature of keyboard of the present invention is that described support unit 21 comprises four kinds of structures: warp cross section is " X " shape structure, trapezium structure, the chain chain layering access node of access node structure and the angle structure that runs through in angle.Described as required support unit 21 can be chosen wherein a kind of wantonly.Described " X " shape structure is meant that the warp cross section structure of fabric-supported unit 21 is " X " shape (referring to Fig. 4).Described trapezium structure is meant that the warp cross section structure of fabric-supported unit 21 is trapezoidal shape (referring to Fig. 5).The chain chain layering access node of access node structure and the angle structure that runs through in described angle is meant that all the warp cross section structure of fabric-supported unit is the shape (referring to Fig. 6,7) of Filled Rectangle.It is different that the chain difference that runs through access node structure and angle chain layering access node structure in described angle is that attachment warp passes through the thickness or the number of plies of fabric.The chain access node structure that runs through in angle is meant that attachment warp passes through the fabric construction of the integral thickness of fabric (referring to Fig. 6); And angle chain layering access node structure is meant that attachment warp only passes through the part of fabric or the fabric construction of layer thickness (referring to Fig. 7).These four kinds of fabric constructions are originally as prior art.Except that described four kinds of fabric constructions, the present invention does not get rid of other fabric constructions that is suitable for.
The described hole of keyboard of the present invention unit 22 is meant to the column circuits on described fabric upper strata and the capable circuit of fabric lower floor provide effective and contacts or the fabric functional part in conducting space.Designing requirement hole unit 22 is corresponding one by one with the key position of key layer 1.Described hole unit 22 has following fabric construction: when the arbitrary button pressurized on the key layer 1, the upper warp lead 241 of the hole unit 22 of this button correspondence can effectively contact the conducting keyboard switch circuit with lower floor's broadwise lead 242 of this hole unit 22.The present invention designs described hole unit 22, from warp cross section, is meant by the upper and lower of fabric and the support unit 21 adjacent with the both sides, the upper and lower of this fabric and encloses constitute square or be square hole space (referring to Fig. 4-7) substantially; From the broadwise cross section, be meant the tunnel (promptly being parallel to the fabric plane) that two ends that the upper and lower by fabric constitute connect.Hole of the present invention is different fully with the hole perpendicular to the fabric plane of prior art.
Keyboard of the present invention is implanted respectively through guiding line 241 (column circuits) and broadwise lead 242 (row circuit), to realize the function of upper and lower circuit layer at the upper and lower two-layer inside surface or the inside ad-hoc location of described hole unit 22.Described ad-hoc location just is meant and the button of key layer 1 position one to one.Describedly more effectively contact with broadwise lead 242 through guiding line 241 in order to make, the floating long line of the inside surface lead of the 22 upper and lower layers of fabric in designing requirement described hole unit is longer.
Keyboard of the present invention is further characterized in that described lead 24 (containing through guiding line 241 and broadwise lead 242) comprises plain conductor (as copper wire, aluminium wire and stainless steel wire etc.) and nonmetal lead (as conductive fiber or conductive yarn etc.).The lead 24 of the embodiment of the invention adopts fine wire.
The planform of support unit 21 of the present invention and hole unit 22 changes can adjust realization by parameters such as the kind of weaving yarn, number, fabric structure and weaving process.These all are prior aries.For non-standard keys such as the space bar of fabric keyboard, enter keys, can be reduced to standard key, or the secundum legem key weaves, correspondingly adjust interface circuit.And can adjust the fabric width (referring to the Y direction of Fig. 2-3) of fabric by adjusting total quantity of warps, to satisfy the width requirement of fabric keyboard.
The principle of work of keyboard of the present invention is: described support unit 21 structural designs can realize that hole unit 22 is not when resting state (or lose key press state), keep apart the upper and lower layer of fabric through guiding line 241 and broadwise lead 242, disconnect keyboard switch circuit; And described hole unit 22 can make effectively contact with broadwise lead 242 through guiding line 241 of the upper and lower layer of described fabric when (push button signalling or pressure state being arranged) in working order, the connection keyboard switch circuit.The effect of keypad function layer 2 mainly is exactly the break-make that realizes keyboard switch circuit according to key command, when promptly button is under pressure, and the keyboard switch circuit conducting; Be not subjected to or when losing pressure, keyboard switch circuit disconnects.
The key of keyboard of the present invention is to have designed a kind of special three-dimension flexible fabric, and only with its functional layer 2 as keyboard.Though functional layer 2 of the present invention only has one deck fabric, can realize the last circuit layer of prior art keyboard, down circuit layer and the multiply cloth assembly that has a hole insulation course form the effect of functional layer.
Three-dimension flexible fabric of the present invention can adopt ordinary loom and three-dimensional woven technology one-time continuous to weave and finish, and has the weaving efficiency height, and web integrity is good, is convenient to characteristics such as industrializing implementation.The weaving process parameter of support unit of the present invention itself is to have done some adjustment and improvement according to the needs of keypad function layer on the prior art basis.These adjustment and improvement do not relate to the internal adjustment and the improvement of method for weaving or technology, are that those skilled in the art can realize without creative work.Of the present invention replace continuously woven support unit 21 and hole unit 22 fabric constructions and continuously method for weaving be innovation of the present invention.The innovation part of method for weaving mainly is will be divided into two groups to the warp thread of support unit 21 when having weaved after the described support unit continuously, and one group of warp thread is weaved the upper strata that becomes hole unit 22, and another group warp thread is weaved the lower floor that becomes hole unit 22.Each interlacing point on fabric upper strata, hole unit is that one group of warp thread and the weft yarn by the upper strata interweaves, and is that one group of warp thread and a weft yarn by lower floor interweaves at each interlacing point of hole unit fabric lower floor.The up and down two-layer symmetry (as " X " shape support structure unit) of fabric or symmetry (as the trapezium structure support unit) substantially.After the hole unit has been weaved, repeat to weave support unit and hole unit, weave down continuously according to designing requirement, fabric ends is a support unit.Key layer 1, insulation course 3 and the interface circuit that keyboard of the present invention adopts, on-off circuit etc. also are prior art, repeat no more.
The present invention does not address part and is applicable to prior art.
Provide specific embodiments of the invention below, this embodiment just to the further specifying of technical solution of the present invention, does not constitute the restriction to claim of the present invention.
The three-dimension flexible fabric keyboard of present embodiment is standard 104 key boards of quadrature formula, adopts ordinary loom and three-dimensional woven technology to weave and finishes.
The support unit structure of design textile is " X " shape structure, or say design X-shaped support unit structure fabric (referring to Fig. 4, wherein numeral " 1., 2. ...
" represent weft yarn, totally 47 weft yarns; Numeral " J1, J2 ... J8 " is represented 8 layers of warp thread respectively), weave 11 layers three-dimension flexible fabric (it is fixed that the number of plies of fabric reality is come by the number of plies of weft yarn, though warp thread is 8 layers, the number of plies of fabric is 11 layers).Warp thread adopts the bigger 150D polyester filament of rigidity; Weft yarn adopts the high-elastic polyester filament of 150D.For convenience of explanation, the section of this fabric or warp cross section are divided into four layers: J1, J2 system warp thread are the constant warp thread in upper strata; J3, J4 system warp thread are warp thread at the middle and upper levels; J5, J6 system warp thread are middle lower layer warp yarns; J7, J8 system warp thread are the constant warp thread of lower floor.When weaving, J3, J4 system warp thread and J1, J2 system warp thread are the after 1. latitude (which latitude, the wefting insertion order when expression is weaved) interweaves, and J3, J4 system warp thread begin to knit the first half structure of middle level X-shaped structure;
During latitude, J3, J4 system warp thread and J1, J2 system warp thread are again with
Weft yarn interweaves jointly; J5, J6 system warp thread with the J7 of lower floor, J8 system warp thread and 4. latitude interweave; Begin to knit the latter half of X-shaped structure then:
Latitude, J3, J4, J5, J6 system warp thread interweave.
Latitude, J5, J6 system warp thread and the J7 of lower floor, J8 system warp thread interweave jointly.So far, finish weaving of " X " shape structure.Support unit is made up of three " X " shapes, and other two " X " weave just as reason.Described X-shaped structure plays a supportive role, and is plain weave.In the back of three X-shaped support units 21, knit a hole unit 22.When weaving hole unit 22,8 system's warp thread are divided into the upper and lower two-layer of hole unit 22, J1, J2, J3, J4 system warp thread are formed one group of warp thread on upper strata, hole unit, J5, J6, J7, J8 system warp thread are formed one group of warp thread of hole unit lower floor, and the upper and lower layer of hole all adopts 1/3 twill-weave.Behind the certain number of times (this example is 22 times) in designing requirement circulation support unit 21 and hole unit 22, knit once described support unit 21 again, circulation repeats successively, finishes weaving of functional layer.
As can be seen, the number of regulating " X " shape can be adjusted the length (referring to directions X among Fig. 4) of support unit 21 from present embodiment; Regulate at the middle and upper levels, the weft yarn number of middle lower floor and the height (referring to Z direction among Fig. 4) that the weft yarn fineness can be regulated hole unit 22.Identical with the described position of middle lower layer warp yarns with middle lower floor at the middle and upper levels with top warp thread at the middle and upper levels.Circulation weaves
Extremely
During the latitude weft yarn, can regulate the length (referring to directions X among Fig. 4) of hole unit 22.
Adopt the thin stainless steel wire of diameter 86 μ m to make lead.Specific location J1, J2, J3, J4 system warp thread in design adopt described thin stainless steel wire to do through guiding line 241, internal layer or the inside on 22 upper stratas, hole unit form the floating long line of the long thin stainless steel wire of warp-wise, through floating long line length is 3, constitutes through guiding line 241; Specific location weft yarn in hole unit 22 lower floors also adopts described thin stainless steel wire lead, forms the floating long line of the long thin stainless steel wire of broadwise in hole unit 22 lower floors, and the floating long line length of latitude is 3, constitutes broadwise lead 242.Longitude and latitude is principle through the Design of length of floating long line with the effective contact that guarantees warp, broadwise lead.According to the ad-hoc location of broadwise lead 242 of design, make the weft yarn of hole unit 22 lower floors, as the "
" penetrating or implant thin stainless steel wire in the latitude, the thin stainless steel wire of broadwise is 8.The warp thread of 8 systems adopts along wearing method, needs 8 altogether and combines, and the warp thread of J1 to J8 system penetrates 1 to 8 respectively and combines, and every reed 8 is gone into.
When warp thread is 4 thin stainless steel wires, wears 1,2,3,4 and combine; When warp thread is 8 thin stainless steel wires, wear 1,2,3,4 and combine, circulate 2 times.For broadwise also can be 4 thin stainless steel wires, as "
" penetrate in the latitude, determine radical according to the needs of switch, but should satisfy the circulation of 1/3 twill that weft yarn (broadwise lead) should be in the centre position of hole unit 22 lower floors through the thin stainless steel wire of weft yarn.
After having weaved the functional layer fabric, directly be assembled into flexible fabric keyboard of the present invention with assemblies such as the key layer of prior art and insulation course and on-off circuit, interface circuits.
The design standards keyboard, described support unit structure is the trapezium structure fabric.
From present embodiment, as can be seen, regulate trapezoidal number and can adjust the length of support unit 21 (referring to directions X among Fig. 5); Regulate the weft yarn number and the weft yarn fineness in middle level, can regulate the height (referring to Z direction among Fig. 5) of hole unit 21.Circulation weaves
Extremely
During the latitude weft yarn, can regulate the length (referring to directions X among Fig. 5) of hole unit 21.
Design standards keyboard, support unit structure are the chain fabric that runs through the access node structure in angle.
Embodiment 4
Design standards keyboard, support unit 21 structures are the fabric of angle chain layering access node structure.
Claims (3)
1. a flexible fabric keyboard comprises key layer, functional layer and insulation course, it is characterized in that described functional layer is the three-dimension flexible fabric of insulative yarn and the continuous weaving of lead; The warp cross section of this three-dimension flexible fabric is for replacing woven support unit and hole cellular construction continuously, and the described hole unit is corresponding one by one with the key position of key layer; The upper layer of fabric of hole unit implant the floating long line in the inside long through guiding line, the column circuits of formation functional layer; Implant the long broadwise lead of the floating long line in the inside accordingly at the layer fabric of hole unit, constitute the capable circuit of functional layer; And described hole unit has following fabric construction: when the arbitrary button pressurized on the key layer, the upper warp lead of the corresponding hole of this button unit can effectively contact the conducting keyboard switch circuit with lower floor broadwise lead; Described support unit has following fabric construction: when the arbitrary button release of pressure on the key layer, the support unit adjacent with the corresponding hole of this button unit can make the described hole unit restore to the original state, and disconnects keyboard switch circuit.
2. flexible fabric keyboard according to claim 1 is characterized in that described support unit warp cross section runs through a kind of in the chain layering access node of access node structure and the angle structure for " X " shape structure, trapezium structure, angle are chain.
3. flexible fabric keyboard according to claim 1 and 2 is characterized in that described lead comprises plain conductor and nonmetal lead,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810152294A CN100583009C (en) | 2008-10-10 | 2008-10-10 | Flexible fabric keypad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810152294A CN100583009C (en) | 2008-10-10 | 2008-10-10 | Flexible fabric keypad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101369186A true CN101369186A (en) | 2009-02-18 |
| CN100583009C CN100583009C (en) | 2010-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810152294A Expired - Fee Related CN100583009C (en) | 2008-10-10 | 2008-10-10 | Flexible fabric keypad |
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| Country | Link |
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| CN (1) | CN100583009C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478964A (en) * | 2010-11-26 | 2012-05-30 | 郭力 | Flexible fabric keyboard |
| CN103794395A (en) * | 2014-02-28 | 2014-05-14 | 天津工业大学 | Grating-type fabric keyboard switch |
| CN103903889A (en) * | 2012-12-24 | 2014-07-02 | 昆山豪绅纤维科技开发有限公司 | Conductive textile used as electrode, and textile switch |
| CN105824472A (en) * | 2016-03-18 | 2016-08-03 | 苏州椒图电子有限公司 | Matrix circuit and sensing system |
-
2008
- 2008-10-10 CN CN200810152294A patent/CN100583009C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478964A (en) * | 2010-11-26 | 2012-05-30 | 郭力 | Flexible fabric keyboard |
| CN102478964B (en) * | 2010-11-26 | 2014-10-08 | 郭力 | Flexible fabric keyboard |
| CN103903889A (en) * | 2012-12-24 | 2014-07-02 | 昆山豪绅纤维科技开发有限公司 | Conductive textile used as electrode, and textile switch |
| CN103903889B (en) * | 2012-12-24 | 2016-08-31 | 昆山豪绅纤维科技开发有限公司 | Conductive fabric and fabric switch as an electrode |
| CN103794395A (en) * | 2014-02-28 | 2014-05-14 | 天津工业大学 | Grating-type fabric keyboard switch |
| CN105824472A (en) * | 2016-03-18 | 2016-08-03 | 苏州椒图电子有限公司 | Matrix circuit and sensing system |
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| Publication number | Publication date |
|---|---|
| CN100583009C (en) | 2010-01-20 |
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Granted publication date: 20100120 Termination date: 20121010 |