CN101556518A - Touch operation control device, display screen with touch function and method thereof - Google Patents
Touch operation control device, display screen with touch function and method thereof Download PDFInfo
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- CN101556518A CN101556518A CNA200910059310XA CN200910059310A CN101556518A CN 101556518 A CN101556518 A CN 101556518A CN A200910059310X A CNA200910059310X A CN A200910059310XA CN 200910059310 A CN200910059310 A CN 200910059310A CN 101556518 A CN101556518 A CN 101556518A
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- angular transducer
- distance measuring
- measuring sensor
- touch
- contact
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Abstract
The invention discloses a touch operation control device, a display screen realizing touch function and method thereof, relates to a product which can realize touch function for common display screens or similar devices and a method thereof, aiming at realizing the purpose that common display screen can have touch function. The device comprises a ranging sensor, an angular transducer, a contact terminal and a control chip; wherein, the ranging sensor is used to measure the distance of a touch point to a fixed origin point, the angular transducer is used to measure the included angle between the touch point and a reference linear which passes the fixed origin point, the contact terminal is connected with the ranging sensor and the angular transducer respectively, and the control chip is used to receive the signals from the ranging sensor and the angular transducer and output the signalcoordinates of the touch point relative to the fixed origin point; the contact terminal contains a body in the shape of T, the front end of the vertical part thereof is a ball bearing, a spring is mounted behind the ball bearing; when the spring is compressed, the end of a control switch can be communicated with the other end of the control switch; the vertical part thereof is sheathed with a joining link in a loose fit way, and the joining link is connected with the ranging sensor and the angular transducer.
Description
Technical field
The present invention relates to IT product, the especially a kind of product and method that can make common display screen or similar device realize touch function.
Background technology
Present various touch display screen has a lot, comprises resistance screen or capacitance plate, but for existing common display screen or similar device, but can't realize touch function, does not also have the correlation technique report, has so just limited the touch operation of common display screen or similar device.
Touch operation is a kind of operation easily, user with common display screen is touch operation if desired, must must change display screen, and display screen is a kind of very low hardware of frequency of changing, the user only changes display screen because of touch operation, has obviously increased the cost expenditure.
Summary of the invention
The purpose of this invention is to provide a kind of device that can make the common display screen realize touch function.
Another object of the present invention provides a kind of common display screen of realizing touch function.
Another object of the present invention provides the method that a kind of common display screen is realized touch function.
Purpose of the present invention can realize by following technical proposals respectively:
Touch operation control device comprises
Distance measuring sensor leaves the distance of fixed origin in order to measure the touch point;
Angular transducer is in order to measure touch point and the angle that passes the consult straight line of fixed origin;
Contact is connected with distance measuring sensor, angular transducer respectively;
Control chip, the signal of reception distance measuring sensor and angular transducer, the output touch point is with respect to the coordinate signal of fixed origin.
As one of embodiments of the present invention, described contact comprises gauge tap, in order to control distance measuring sensor, angular transducer, control chip work whether state.
As one of embodiments of the present invention, described contact also comprises "T"-shaped body, sub-headend is embedded with ball in the vertical portion of this body, be provided with spring behind the ball, one end of gauge tap is connected with spring mechanical ground, and when spring was compressed, this end of gauge tap can be connected with its other end, be set with to above-mentioned vertical part loose fit abutment ring, abutment ring is connected with distance measuring sensor, angular transducer.
As one of embodiments of the present invention, described distance measuring sensor is a pulling force sensor.
As one of embodiments of the present invention, described contact is connected with distance measuring sensor, angular transducer by elastic body.
Display screen with touch function comprises common non-touch-screen, and touch operation control device and central processing unit, and described touch operation control device comprises
Distance measuring sensor leaves the distance of fixed origin in order to measure the touch point;
Angular transducer is in order to measure touch point and the angle that passes the consult straight line of fixed origin;
Contact is connected with distance measuring sensor, angular transducer respectively;
Control chip, the signal of reception distance measuring sensor and angular transducer, the output touch point is with respect to the coordinate signal of fixed origin;
Central processing unit receives the coordinate signal of touch point relative fixed initial point, and exports control signal according to the functional definition of current touch point display module.
As one of embodiments of the present invention, described contact comprises gauge tap, in order to control distance measuring sensor, angular transducer, control chip work whether state.
As one of embodiments of the present invention, described contact also comprises "T"-shaped body, sub-headend is embedded with ball in the vertical portion of this body, be provided with spring behind the ball, one end of gauge tap is connected with spring mechanical ground, and when spring was compressed, this end of gauge tap can be connected with its other end, be set with to above-mentioned vertical part loose fit abutment ring, abutment ring is connected with distance measuring sensor, angular transducer.
The common display screen is realized the method for touch function, comprises
A. distance measuring sensor and angular transducer are set shielding relatively-stationary initial point with common display;
B. be connected contact with distance measuring sensor with angular transducer power with transmitting, distance measuring sensor is measured the distance of contact with respect to initial point according to the variation of power between contact and the initial point, and angular transducer is measured the angle of contact with respect to the straight line that passes through initial point according to the variation of power between contact and the initial point;
C. according to above-mentioned distance and the above-mentioned angle of contact, obtain the coordinate of contact with respect to initial point with respect to initial point;
D. determine the functional module that current display screen shows according to above-mentioned coordinate, according to the definition output control signal of this functional module, realize touch operation again.
Described contact comprises gauge tap, in order to control distance measuring sensor, angular transducer, control chip work whether state; Described contact also comprises "T"-shaped body, sub-headend is embedded with ball in the vertical portion of this body, be provided with spring behind the ball, one end of gauge tap is connected with spring mechanical ground, when spring is compressed, this end of gauge tap can be connected with its other end, is set with to above-mentioned vertical part loose fit abutment ring, and abutment ring is connected with distance measuring sensor, angular transducer.
The present invention adopts the device of said structure and/or the method for above-mentioned steps, measure the coordinate of the relative initial point of contact by distance measuring sensor, angular transducer, thereby determine the touch point position at contact place, again according to the break-make of gauge tap, in conjunction with having the technology that central processing unit is handled the information of the touch point of general touch-screen now, then can by central processing unit output control signal corresponding, realize touch operation according to the defined function in the touch point of current demonstration.
Description of drawings
The present invention will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the structural representation of touch operation control device embodiment among the present invention.
Fig. 2 is the structural representation of distance measuring sensor embodiment among the present invention.
Fig. 3 is the structural representation of angular transducer embodiment among the present invention.
Number in the figure: the 1st, angular transducer, the 2nd, distance measuring sensor, the 3rd, contact, the 4th, link, the 5th, abutment ring, the 6th, first contact of gauge tap, the 7th, second contact of gauge tap, the 8th, spring, the 9th, ball, the 10th, the stationary shaft of distance measuring sensor, the 11st, elastic body, the 12nd, the stationary shaft of angular transducer.
Embodiment
The present invention is further illustrated below in conjunction with specific embodiments and the drawings.
Touch operation control device comprises
Distance measuring sensor leaves the distance of fixed origin in order to measure the touch point;
Angular transducer is in order to measure touch point and the angle that passes the consult straight line of fixed origin;
Contact is connected with distance measuring sensor, angular transducer respectively;
Control chip, the signal of reception distance measuring sensor and angular transducer, the output touch point is with respect to the coordinate signal of fixed origin.
As shown in Figure 1, contact 3 comprises "T"-shaped body, sub-headend is embedded with ball 9 in the vertical portion of this body, be provided with spring 8 behind the ball, second contact 7 of gauge tap one end mechanically is connected with spring 8, when spring 8 is compressed, second contact 7 can contact with first contact 6 of upper fixed and make the gauge tap closure and turning circuit, be set with to above-mentioned vertical part loose fit abutment ring 5, abutment ring 5 by with its fixedly connected link 4 on the elastic body 11 that is connected be connected with the distance measuring sensor 2 that is fixedly installed in initial point, angular transducer 1.
Because abutment ring 5 loose fits ground is sleeved on the contact 3, so contact 3 is in moving process, and link 4 can point to angular transducer 1 and the distance measuring sensor 2 that is fixed in initial point always, thereby can avoid elastic body 11 around bent or winding.
Elastic body 11 can be the plastics spring of hollow plastic pipe coiling, passes the lead that is electrically connected with angular transducer 1 and distance measuring sensor 2 in the plastic tube of its hollow.
In one embodiment, distance measuring sensor 2 can be a pulling force sensor, by the pulling force of elastic body 11 and the relation between its development length, is recorded the variation of pulling force and is obtained the distance that contact 3 leaves initial point by pulling force sensor.In this embodiment, above-mentioned elastic body 11 also has the effect that records the pulling force of gauge tap when closed with distance measuring sensor 2 together simultaneously.
In one embodiment, distance measuring sensor 2 can be a pole span change type pulling force sensor as shown in Figure 2, and the stationary shaft 10 of one end is fixed in initial point, and the other end bears pulling force, the instantaneous pulling force of elastic body 11 in the time of can recording contact 3 inner control switch closures.
In one embodiment, angular transducer 1 can be an area change type rotary angle transmitter as shown in Figure 3, it is linked together as stationary shaft 12 and pulling force sensor by a non-resilient bar, and can around and pulling force sensor between stationary shaft rotation, it act as when recording contact 3 inner control switch closures, elastic body 11 place straight lines and pass angle between the consult straight line of initial point.
During application, above-mentioned angular transducer 1, distance measuring sensor 2 can be fixed in one jiao that common display is shielded by buckle or other known mechanical connection manner, contact 3 can be installed on finger or the form of a stroke or a combination of strokes device, to make things convenient for move operation by buckle or other known mechanical connection manner.
During application, also include central processing unit, if be applied to computing machine or other has the occasion of central processing unit, this central processing unit can be computing machine or single-chip microcomputer or various devices with central processing function such as industrial computer or MCU; If use separately, can dispose central processing unit separately, so that the coordinate signal of control chip output is handled.
During application, control chip carries out initialization and parameter correction for angular transducer 1, distance measuring sensor 2 residing initial points, and set up the power and the relation between the elongated distance: the x=F/k-x of elastic body 11 according to Hooke's law F=kx (F is stressed, and k is a coefficient, and x is length or distance)
0, x wherein
0Be the former length of spring.
Ball 9 rolling on the common display screen when contact 3, elastic body 11 is stressed, be subjected to force signal as the pulling force sensor of distance measuring sensor according to the stressed variation output of elastic body 11, be converted to length signals by control chip, " touch point " at expression contact 3 current places leaves the distance of initial point; The angle of straight line between " touch point " at contact 3 places and the initial point and display screen frame place straight line by initial point is transmitted in the stressed rotation in the mobile terminal of angular transducer 3 to control chip.The above-mentioned distance signal and the angle signal of input control chip, after control chip was handled, " touch point " at output contact 3 places be the coordinate signal of initial point relatively.
Central processing unit receives above-mentioned coordinate signal, according to existing known technology, to the module that shows on the current display screen, according to the defined function in the touch point of current demonstration, by central processing unit output control signal corresponding, realizes touch operation.
In an alternative embodiment of the invention, distance measuring sensor is an optical sensor, and contact is connected with optical sensor by optical fiber, and laser head is set on the contact, by the laser angle difference that laser head in the contact that conducts in the optical fiber penetrates, obtain the above-mentioned x value of current " touch point ".
In an alternative embodiment of the invention, distance measuring sensor is turn spring and the sensor of surveying the spring torsion size of turning, and contact is connected with the sensor by non-resilient lead, and sensor imports the torsion signal that records into control chip, is converted to above-mentioned x value.
Disclosed all features in this instructions, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this instructions (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (10)
1, touch operation control device is characterized in that, comprises
Distance measuring sensor leaves the distance of fixed origin in order to measure the touch point;
Angular transducer is in order to measure touch point and the angle that passes the consult straight line of fixed origin;
Contact is connected with distance measuring sensor, angular transducer respectively;
Control chip, the signal of reception distance measuring sensor and angular transducer, the output touch point is with respect to the coordinate signal of fixed origin.
2, touch operation control device according to claim 1 is characterized in that described contact comprises gauge tap, in order to control distance measuring sensor, angular transducer, control chip work whether state.
3, touch operation control device as claimed in claim 1 or 2, it is characterized in that, described contact also comprises "T"-shaped body, sub-headend is embedded with ball in the vertical portion of this body, is provided with spring behind the ball, and an end of gauge tap is connected with spring mechanical ground, when spring is compressed, this end of gauge tap can be connected with its other end, is set with to above-mentioned vertical part loose fit abutment ring, and abutment ring is connected with distance measuring sensor, angular transducer.
4, touch operation control device according to claim 1 is characterized in that described distance measuring sensor is a pulling force sensor.
5, touch operation control device according to claim 1 is characterized in that described contact is connected with distance measuring sensor, angular transducer by elastic body.
6, the display screen that has touch function comprises common non-touch-screen, it is characterized in that, also comprise touch operation control device and central processing unit, described touch operation control device comprises
Distance measuring sensor leaves the distance of fixed origin in order to measure the touch point;
Angular transducer is in order to measure touch point and the angle that passes the consult straight line of fixed origin;
Contact is connected with distance measuring sensor, angular transducer respectively;
Control chip, the signal of reception distance measuring sensor and angular transducer, the output touch point is with respect to the coordinate signal of fixed origin;
Central processing unit receives the coordinate signal of touch point relative fixed initial point, and exports control signal according to the functional definition of current touch point display module.
7, as having the display screen of touch function as described in the claim 6, it is characterized in that described contact comprises gauge tap, in order to control distance measuring sensor, angular transducer, control chip work whether state.
8, as having the display screen of touch function as described in claim 6 or 7, it is characterized in that, described contact also comprises "T"-shaped body, sub-headend is embedded with ball in the vertical portion of this body, is provided with spring behind the ball, and an end of gauge tap is connected with spring mechanical ground, when spring is compressed, this end of gauge tap can be connected with its other end, is set with to above-mentioned vertical part loose fit abutment ring, and abutment ring is connected with distance measuring sensor, angular transducer.
9, the common display screen is realized the method for touch function, it is characterized in that, comprises
A. distance measuring sensor and angular transducer are set shielding relatively-stationary initial point with common display;
B. be connected contact with distance measuring sensor with angular transducer power with transmitting, distance measuring sensor is measured the distance of contact with respect to initial point according to the variation of power between contact and the initial point, and angular transducer is measured the angle of contact with respect to the straight line that passes through initial point according to the variation of power between contact and the initial point;
C. according to above-mentioned distance and the above-mentioned angle of contact, obtain the coordinate of contact with respect to initial point with respect to initial point;
D. determine the functional module that current display screen shows according to above-mentioned coordinate, according to the definition output control signal of this functional module, realize touch operation again.
10, realize the method for touch function as common display screen as described in the claim 9, it is characterized in that described contact comprises gauge tap, in order to control distance measuring sensor, angular transducer, control chip work whether state; Described contact also comprises "T"-shaped body, sub-headend is embedded with ball in the vertical portion of this body, be provided with spring behind the ball, one end of gauge tap is connected with spring mechanical ground, when spring is compressed, this end of gauge tap can be connected with its other end, is set with to above-mentioned vertical part loose fit abutment ring, and abutment ring is connected with distance measuring sensor, angular transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910059310XA CN101556518B (en) | 2009-05-18 | 2009-05-18 | Touch operation control device, display screen with touch function and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910059310XA CN101556518B (en) | 2009-05-18 | 2009-05-18 | Touch operation control device, display screen with touch function and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101556518A true CN101556518A (en) | 2009-10-14 |
| CN101556518B CN101556518B (en) | 2011-01-05 |
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ID=41174646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910059310XA Expired - Fee Related CN101556518B (en) | 2009-05-18 | 2009-05-18 | Touch operation control device, display screen with touch function and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101556518B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103488415A (en) * | 2013-05-14 | 2014-01-01 | 高永杰 | Handwritten text and graphic recognition system based on paper medium and recognition method |
| CN105974307A (en) * | 2016-08-01 | 2016-09-28 | 厦门理工学院 | Device and method for online monitoring comprehensive characteristics of high-voltage circuit breaker |
| CN108200494A (en) * | 2017-12-29 | 2018-06-22 | 上海传英信息技术有限公司 | Earphone method of toch control and earphone |
-
2009
- 2009-05-18 CN CN200910059310XA patent/CN101556518B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103488415A (en) * | 2013-05-14 | 2014-01-01 | 高永杰 | Handwritten text and graphic recognition system based on paper medium and recognition method |
| CN103488415B (en) * | 2013-05-14 | 2016-12-28 | 高永杰 | Personal letter word based on paper medium and pattern recognition system and recognition methods |
| CN105974307A (en) * | 2016-08-01 | 2016-09-28 | 厦门理工学院 | Device and method for online monitoring comprehensive characteristics of high-voltage circuit breaker |
| CN108200494A (en) * | 2017-12-29 | 2018-06-22 | 上海传英信息技术有限公司 | Earphone method of toch control and earphone |
| CN108200494B (en) * | 2017-12-29 | 2020-04-07 | 上海传英信息技术有限公司 | Earphone touch control method and earphone |
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| Publication number | Publication date |
|---|---|
| CN101556518B (en) | 2011-01-05 |
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Granted publication date: 20110105 Termination date: 20130518 |