CN109032437A - A kind of capacitance touch equipment and its localization method - Google Patents
A kind of capacitance touch equipment and its localization method Download PDFInfo
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- CN109032437A CN109032437A CN201810509624.4A CN201810509624A CN109032437A CN 109032437 A CN109032437 A CN 109032437A CN 201810509624 A CN201810509624 A CN 201810509624A CN 109032437 A CN109032437 A CN 109032437A
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- conducting wire
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- capacitance touch
- root conducting
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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
- G06F3/03—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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention is a kind of capacitance touch equipment and localization method, the equipment includes arranging two groups of parallel conducting wires along X, Y-direction on substrate, arrange to be M root conducting wire R in X direction, each wire R in X direction from left to right after again along X opposite direction wraparound from right to left, and so on, until the M root conducting wire R is covered with X-direction according to the first set distance interval, any group of continuous m root conducting wire R be not identical in X direction；Identical along Y-direction, when positioning, every m × n crosspoint was an effective touch location.Conducting wire is repeated to tear open to return by the present invention, and the end of a thread is caused to reduce, and cost reduces.
Description
Technical field
The present invention relates to capacitance touch apparatus fields, the in particular to wire structures of capacitance touch equipment and positioning side
Method.
Background technique
Touch apparatus mainly includes touch screen and touches blank, and major function is positioned to the point of touch or track,
It is a kind of input equipment of computer, is typically mounted at the transparent touch apparatus before display screen and is known as touch screen, be mounted on
In electronic whiteboard is exactly to touch blank.Currently, touch apparatus is main according to the method to touch point or touch track positioning
There are infrared touch equipment, electric resistance touch screen and capacitance touch screen.Currently, infrared touch positioning is mainly used in electronic whiteboard
On, and the method for resistance positioning and capacitor positioning is used primarily on touch screen, with the development of science and technology, on electronic whiteboard
Also using the method for resistance positioning and capacitor positioning.
Currently, being the main body of touch apparatus using capacitive electronic whiteboard and touch screen.Capacity-type electronic blank and touching
Touch the positioning method of screen as shown in Figure 1, on substrate some conducting wires of criss-cross ground cloth, usually vertical line (T) and horizontal line (R), T
It is not contact (insulation) between each other with R infall, therefore, there is certain capacitor, a pulse signal is emitted from T,
Due to capacitive sensing on R, a corresponding pulse signal will be received, if at this point, manpower or other felt pens etc. contact
To some crosspoint, then due between manpower or other felt pens and T or R there is also capacitor, can also incude one
Divide energy, in this way, the pulse signal low compared with normal amplitude will be received on R.As shown in Figure 1, when hand or felt pen touch
TjAnd RiWhen intersection, RiThe pulse signal low compared with normal amplitude will be received on line, in this manner it is possible to be positioned at TjRiInfall is touching
It touches a little, this is a kind of mode of absolute fix.At this moment T and R can be the metal wire of copper wire or other entities, be also possible to
Bright silver wire or transparent conductive film (mostly using transparent conducting wire on touch screen at present) etc., such as Chinese patent Authorization Notice No.
101639749 B of CN discloses the wire structures and its manufacturing method of such a capacitive touch screen, it is using saturating
Bright conductive film, the transparent conductive film and insulating film of the two groups of conducting wires arranged on substrate along X, Y-direction, X, Y-direction i.e. T, R
Two kinds of conducting wires.Such touch screen touches blank if it is small size, and cost can also be born, and if it is large-sized
Touch screen touches blank, then cost is quite high, or even produces since cost is too high without life.
Spacing as between handset touch panel conducting wire is 6mm, for one 60 × 120 square millimeters of Mobile phone screen, X
Direction conducting wire (T line) is 10, and Y-direction conducting wire (R line) is 20, and the transmitter for sending pulse signal also only has 10, is received
Device also only has 20, as long as in addition also welding 30 lines, these costs accounted in one 1000 yuan of mobile phone dozens of yuan be can be with
Receive.But for the product of large-size screen monitors, such as the large-size screen monitors of 6m × 12m, X-direction conducting wire (T line) will have 1000, Y-direction conducting wire
(R line) also has 2000, this is a very large number, in addition the cost for sending and receiving device and welding is (main
It is the cost of welding) it will be very expensive, for ten tens of thousands of such screens, it is impossible to spend and tens of thousands of add a touching
Touch screen.
Summary of the invention
The present invention is directed on the touch apparatus such as current capacitive touch screen or touch electronic whiteboard due to wiring cost height
Deficiency, a kind of capacitance touch equipment and localization method are provided.
The technical scheme is that a kind of capacitance touch equipment, including arrange that two groups are put down along X, Y-direction on substrate
Capable conducting wire between adjacent two conducting wires is the distance of setting in every group of conducting wire.
Arrange in X direction be M root conducting wire R, each wire R in X direction from left to right after again along X opposite direction from right to left
Wraparound, and so on, until the M root conducting wire R is covered with X-direction according to the first set distance interval, any group of company in X direction
Continuous m root conducting wire R is not identical.
Along Y-direction arrangement be N root conducting wire T, each wire T along Y-direction from top to bottom after again along Y opposite direction from top to bottom
Wraparound, and so on, until the N root conducting wire T is covered with Y-direction according to the second set distance interval, along any group of company of Y-direction
Continuous n root conducting wire T is not identical.
The M and N is positive integer, and m and n are less than the positive integer of M and N.
Conducting wire is repeated to tear open to return by the present invention, and the end of a thread is caused to reduce, and cost reduces.
Further, above-mentioned capacitance touch equipment: first set distance and the second set distance exists respectively
Between 3mm~15mm.
Further, above-mentioned capacitance touch equipment: the m and n is any number between 3-8.
Further, above-mentioned capacitance touch equipment: the M and N is respectively between 10~300.
The present invention also provides a kind of localization methods of capacitance touch equipment: the following steps are included:
Step S1, in the touch surface of capacitance touch equipment, the area at least square region of n × m is touched；
Step S2, that determination touches is m root conducting wire T and n root conducting wire R；
Step S3, coordinate (x, y) of the touch point on touch apparatus is determined by m root conducting wire T and n root conducting wire R.
Further, in the localization method of above-mentioned capacitance touch equipment: being by tabling look-up in the step 3
Mode determine that coordinate (x, y) of the touch point on touch apparatus, the table are in advance by touching capacitive touch
Point all in the touch surface of equipment is touched, and writes down the corresponding m root conducting wire T and n root conducting wire R of each point, forms the point in touch surface
With the one-to-one table of m root conducting wire T and n root conducting wire R.
Further, in the localization method of above-mentioned capacitance touch equipment: the m and n is any between 3-8
Number.
Further, in the localization method of above-mentioned capacitance touch equipment: the M and N be respectively 10~300 it
Between.
The present invention is described in detail in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the positioning of touch screen in the prior art.
Fig. 2 is the distribution map of the conducting wire T and conducting wire R in 1 touch screen of the embodiment of the present invention.
Specific embodiment
The present embodiment is a kind of upper thread structure of touch screen, as shown in Fig. 2, the present embodiment uses 12 conducting wire T and 10
Conducting wire R, the region for being one 3 × 3 according to effective touch point, that is, m and n are 3, then can have conducting wire in X directionRoot can have conducting wire along Y-directionRoot, this is demonstrated by each wire R or conducting wire T can be multiple to unroll,
As long as noticing that each group of continuous three line is different from coiling can be as shown in Fig. 2, conducting wire R can be according to following suitable
Sequence coiling: R1R2R3R4R5R6R1R2R4R5R3R6, as long as the source of 3 lines any group of in this way is not identical, such as
This three lines of R1R2R3 are continuous three lines, when later coiling, cannot occur again continuous R1R3R2, R2R1R3, R2R3R1,
R3R1R2, R3R2R1 can, also quite convenient, coiling according to the following steps when coiling:
Step 1 numbers 12 conducting wire T, and each wire T is made to have a unique number；
Step 2 selects any three to be routed in X direction from 12 conducting wire T, and the spacing between every is 3mm, and according to
Along the number of three conducting wire T of Y-direction journal.
Step 3 selects any conducting wire T from 12 conducting wire T；It, can be from 10 conducting wires in the step in practice
It is selected in T, last two at present in X direction is removed in 12, it is assumed that wanting the line of cloth at present is i-th, then two i-1 in front
Conducting wire T corresponding with i-2 not including, optional one from remaining 10 conducting wire T, thus skipped step 4.In addition, should
In step, if it is what is turned over from step 5, then when selecting next conducting wire T, it can select in a certain order next
Root, in order to avoid repeat, it can not in this order, in practice if it is what is turned over from step 7, each step 7 turns over,
Can select same root conducting wire T, can also according to circulation the case where, every selection serial number is previous next and is ok,
Certainly, it is whether turned over from step 5 or from step 7, can successively select next conducting wire T according to the sequence of setting.
Step 4 judges whether conducting wire T is one in be routed in X direction last two at present, if it is, turning
To step 3, step 5 is otherwise turned to.
Step 5, by conducting wire T and at present last two conductor combinations for being routed in X direction at three one group, that is, i,
Corresponding the end of a thread of i-1, i-2, compared with any continuous three lines being routed in X direction at present, if three conducting wire T exist
In any continuous three lines in front, the end of a thread of any three conducting wire T then turns to step 3 regardless of sequence, otherwise turns to step 6.
Step 6, by the conducting wire T cloth of the selection at the 3mm of last root conducting wire in X direction, record the conducting wire T of the selection
Number.
Step 7 judges whether to be covered with conducting wire in X direction, terminate if being covered with, and otherwise turns to step 3.
For being routed along Y-direction, and in above manner.
If using the spacing 6mm generally used, then 12 conducting wire T and 10 lead above according to current wire laying mode
Line R can only do 60 × 72 square millimeters of touch screen, and effective touch point above has 12 × 10=120, this is a ratio
Lesser handset touch panel.If be routed in the way of the present embodiment, every line can back and forth repeatedly, in effective touch surface
In the case that product is constant, the distance between adjacent parallel conducting wire is 3mm, then sum is 12 conducting wire T and 10 conducting wire R above
Touch screen can do 66 × 36 square centimeters of touch screen, this is a sizable touch display, thereon effective aobvious
Show it is a little 220 × 120-220-220-118-118=15724, it is clear that the resolution of the present embodiment is almost the prior art
In 4 times.
The localization method of the capacitance touch equipment of the present embodiment, it is also fairly simple,
The following steps are included:
Step S1, in the touch surface of capacitance touch equipment, the square region of area at least 3 × 3 is touched；As schemed
Show there are 9 crosspoints.
Step S2, it is T2T3T4 and 3 conducting wire R2R4R5 that determination touches, which is 3 conducting wire T,；
Step S3, coordinate (x, y) of the touch point on touch apparatus is determined by 3 conducting wire T and 3 conducting wire R, that is,
The coordinate (x, y) on the corresponding touch apparatus of T2T3T4 R2R4R5 is found in table.
In practice, a table is made in advance, is that seat of the touch point on touch apparatus is determined by way of tabling look-up
It marks (x, y), table is to pass through point all in the touch surface for touching capacitance touch equipment in advance, and write down the corresponding m of each point
Root conducting wire T and n root conducting wire R forms point and the one-to-one table of m root conducting wire T and n root conducting wire R in touch surface.
Claims (8)
1. a kind of capacitance touch equipment, including arranging two groups of parallel conducting wires along the direction X, Y on substrate, along every group of conducting wire
It is the distance of setting between adjacent two conducting wires, it is characterised in that:
Arrange in X direction be M root conducting wire R, each wire R in X direction from left to right after again along X from right to left opposite direction around
Return, and so on, until the M root conducting wire R is covered with X-direction according to the first set distance interval, in X direction any group it is continuous
M root conducting wire R is not identical；
Along Y-direction arrangement be N root conducting wire T, each wire T along Y-direction from top to bottom after again along Y opposite direction from top to bottom around
It returns, it is and so on, continuous along any group of Y-direction until the N root conducting wire T is covered with Y-direction according to the second set distance interval
N root conducting wire T is not identical；
The M and N is positive integer, and m and n are less than the positive integer of M and N.
2. capacitance touch equipment according to claim 1, it is characterised in that: first set distance and second is set
Set a distance is respectively between 3mm ~ 15mm.
3. capacitance touch equipment according to claim 1, it is characterised in that: the m and n is 3.
4. capacitance touch equipment according to claim 3, it is characterised in that: the M and N be respectively 10 ~ 100 it
Between.
5. the localization method of capacitance touch equipment according to claim 1, it is characterised in that: the following steps are included:
Step S1, in the touch surface of capacitance touch equipment, the area at least square region of n × m is touched；
Step S2, that determination touches is m root conducting wire T and n root conducting wire R；
Step S3, coordinate (x, y) of the touch point on touch apparatus is determined by m root conducting wire T and n root conducting wire R.
6. the localization method of capacitance touch equipment according to claim 5, it is characterised in that: in the step 3,
It is that coordinate (x, y) of the touch point on touch apparatus is determined by way of tabling look-up, the table is to pass through touching in advance
Point all in the touch surface of capacitance touch equipment is touched, and writes down the corresponding m root conducting wire T and n root conducting wire R of each point, forms touching
Touch the point and the one-to-one table of m root conducting wire T and n root conducting wire R on face.
7. the localization method of capacitance touch equipment according to claim 5 or 6, it is characterised in that: the m and n is equal
Any number between 2-8.
8. the localization method of capacitance touch equipment according to claim 7, it is characterised in that: the M and N is difference
Between 10 ~ 300.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509624.4A CN109032437B (en) | 2018-05-24 | 2018-05-24 | Capacitive touch equipment |
| PCT/CN2018/096379 WO2019223089A1 (en) | 2018-05-24 | 2018-07-20 | Capacitance-type touch device and positioning method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810509624.4A CN109032437B (en) | 2018-05-24 | 2018-05-24 | Capacitive touch equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109032437A true CN109032437A (en) | 2018-12-18 |
| CN109032437B CN109032437B (en) | 2020-05-19 |
Family
ID=64611232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810509624.4A Active CN109032437B (en) | 2018-05-24 | 2018-05-24 | Capacitive touch equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109032437B (en) |
| WO (1) | WO2019223089A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639749A (en) * | 2009-08-21 | 2010-02-03 | 深圳莱宝高科技股份有限公司 | Wiring and manufacturing method of capacitive touch screen |
| CN102169402A (en) * | 2011-04-19 | 2011-08-31 | 上海华师京城高新技术开发有限公司 | Electronic white board having novel structure of induction layer |
| CN104298406A (en) * | 2013-07-18 | 2015-01-21 | 刘中华 | Two-dimensional touch control sensor of combined structure |
-
2018
- 2018-05-24 CN CN201810509624.4A patent/CN109032437B/en active Active
- 2018-07-20 WO PCT/CN2018/096379 patent/WO2019223089A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639749A (en) * | 2009-08-21 | 2010-02-03 | 深圳莱宝高科技股份有限公司 | Wiring and manufacturing method of capacitive touch screen |
| CN102169402A (en) * | 2011-04-19 | 2011-08-31 | 上海华师京城高新技术开发有限公司 | Electronic white board having novel structure of induction layer |
| CN104298406A (en) * | 2013-07-18 | 2015-01-21 | 刘中华 | Two-dimensional touch control sensor of combined structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019223089A1 (en) | 2019-11-28 |
| CN109032437B (en) | 2020-05-19 |
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