CN202339535U

CN202339535U - Touch device

Info

Publication number: CN202339535U
Application number: CN2011204542294U
Authority: CN
Inventors: 杨锋
Original assignee: Hanwang Technology Co Ltd
Current assignee: Hanwang Technology Co Ltd
Priority date: 2011-11-16
Filing date: 2011-11-16
Publication date: 2012-07-18
Anticipated expiration: 2021-11-16

Abstract

The utility model discloses a touch device, which comprises an upper substrate, a lower substrate and a plurality of signal chips embedded between the upper and lower substrates, wherein each signal chip is connected with a control processing unit; and the upper and lower substrates are provided with grooves for placing the signal chips. The touch device is simple in structure and low in cost, and can be operated by any object and arranged on the back surface of a touch surface; and the signal chips can be effectively protected, the quality of a touch signal and positioning accuracy are improved, and the portability and anti-interference capability of a technology are enhanced.

Description

Touching device

Technical field

The utility model relates to the touch technology field, particularly, relates to a kind of touching device.

Background technology

Touching technique is as a kind of realization means of man-machine interaction; From the heavy operation that hard button is pushed repeatedly, liberated human both hands come out; People's operating habit needn't be more simply the design that depends on machine; When improving input efficiency greatly, also greatly enriched the sense of experience of users feel.People are the icon on the operating touch-screen very easily, through point on touch-screen, write and draw input information.In the various occasions that need process information, little mobile phone, personal digital assistant device, the notebook computer of arriving arrives ATM, advertisement machine, electronic whiteboard or the like greatly, and touching technique all is widely used.

The know-why that touch-screen is realized has a variety of, the most general application that resistor-type, capacitor type, electromagnetic type and infrared type technology etc. are arranged.Resistance screen bearing accuracy is high, and hand-written performance is good, can operate with finger, nail, stylus etc., adds himself cheap price advantage, in consumer electronics product, occupies the very big market.The technical characteristic of resistance screen has determined that its skin is soft, needs certain dynamics that it is depressed and could work, and this causes the resistance screen to be easy to be scratched, and stays cut, and sensitivity also descends greatly.Capacitance plate is to utilize static on the human body to position with handwriting recognition; The performance of this two aspect is all not as good as the resistance screen, but the sensitivity of capacitance plate is very high, and supports multi-point touch; Can bring the good man-machine interaction of user experiences; In the consumer electronics product of middle and high end,, use more extensive like smart mobile phone, panel computer etc.But for non-conductive type object such as nail etc., capacitance plate has just lost effect.Resistance screen and capacitance plate belong to preposition touch-screen, and they all need be placed on display device foremost, and the touch screen of electromagnetic technique is rearmounted type.The bearing accuracy of electromagnetism touch technology and pressure sensitive sensitivity are all very high; Add the time writer operation of specialty; Make it have the impayable hand-written performance of other technology, in a lot of professional application fields, like design, drawing etc.; Electromagnetic technique enjoys great popularity, and is not strong but the man-machine interaction of electromagnetic technique is experienced.

This shows that there are various defectives in above-mentioned touch-screen, they can not be operated by any object perhaps can not be rearmounted with touch sensitive display.Pressure sensitive type touch-screen be a kind of can be by any object operation and can rearmounted touch-screen; But in existing technical patent; Gather the signal patch that touch signal is used; No matter be circular or rectangle, the fixed form of direct stickup is mostly adopted in their installation, and promptly signal patch directly sticks on the back side of touch-surface.But such structure makes signal patch receive the influence of undesired signal easily on the one hand, has reduced the quality and the bearing accuracy of touching signals, and the portability of technology is not strong on the other hand, and touching signals receives the influence of collet material easily.

The utility model content

For solving the problems of the technologies described above, the utility model provides a kind of touching device.

The touching device of the utility model, comprise upper substrate, infrabasal plate and be embedded in upper substrate and infrabasal plate between a plurality of signal patch, each signal patch is connected with controlled processing unit, wherein, upper substrate and infrabasal plate have the groove of placing signal patch.

In one embodiment, a plurality of signal patch are arranged in rectangular array.

In one embodiment, the two poles of the earth of signal patch are connected with lead through conducting resinl respectively.

In one embodiment, be filled with viscose glue between upper substrate and the infrabasal plate.

In one embodiment, controlled processing unit comprises multiselect one analog switch, filtering circuit, integrating circuit, A/D change-over circuit and the main control circuit that is connected in series, and main control circuit also is connected with integrating circuit with multiselect one analog switch.

In one embodiment, each signal patch is connected with controlled processing unit through first connector assembly, and each signal patch is through the second connector assembly ground connection.

In one embodiment, signal patch is a disk type signal patch.

In one embodiment, a plurality of signal patch are periodically evenly arranged between upper substrate and infrabasal plate.Wherein, a plurality of signal patch form rectangular array or triarray.

The touching device of the utility model, simple in structure, with low cost; Can be operated and can be placed on the back side of touch-surface by any object; Signal patch can be effectively protected, and has improved the quality and the bearing accuracy of touch signal, has strengthened technological portability and anti-jamming capacity.

Description of drawings

Fig. 1 is the exploded view of the touching device of the utility model;

Fig. 2 is the signal patch layout and the cabling synoptic diagram of the touching device infrabasal plate of the utility model;

Fig. 3 is the circuit diagram of upper substrate of the touching device of the utility model;

Fig. 4 is the infrabasal plate synoptic diagram of the touching device of the utility model;

Fig. 5 is the synoptic diagram of etched recesses of placement signal patch of the touching device of the utility model;

Fig. 6 is the structural representation of the signal patch of the utility model;

Fig. 7 is the diagrammatic cross-section of signal patch that embeds the touching device of the utility model;

Fig. 8 is the structural representation of the signal processing circuit of the novel touching device of this usefulness;

Fig. 9 is the workflow diagram of the touching device of the utility model;

Figure 10, the 11st, the synoptic diagram that the touching device signal patch of the utility model is arranged.

Description of reference numerals:

101: upper substrate, 102-105: signal patch, 106: infrabasal plate, 107: controlled processing unit, 206: the first connector assemblies; 207: lead, 502: the second connector assemblies, 112-115: signal patch groove, 302: walk line groove; 401: signal patch, 402: signal patch is anodal, and 403: signal patch negative pole, 601-602: conducting resinl; 603: viscose glue, 701: multiselect one analog switch, 702: filtering circuit, 703: integrating circuit; The 704:A/D change-over circuit, 705: main control circuit, 802-805: signal patch, 902-906: signal patch.

Embodiment

Hereinafter is with the embodiment of accompanying drawings the utility model.

Fig. 1 is the exploded view of touching device of a kind of embodiment of the utility model.As shown in Figure 1; The touching device of the utility model comprise upper substrate 101, infrabasal plate 106 and be embedded in upper substrate and infrabasal plate between a plurality of signal patch 102,103,104 and 105, signal patch 102,103,104 is connected with controlled processing unit 107 through lead with 105.Signal patch 102,103,104 and 105 is used to respond to the touch impact that upper substrate or infrabasal plate receive, and produces signal wave, and signal wave is sent to controlled processing unit 107.Controlled processing unit 107; The signal wave that the touch electric signal that the acquired signal sheet obtains produces; And obtain comprising and press signal intensity, press signal time and press the valid data of characteristics such as signal slope that the judgement through these characteristics obtains position coordinates accurately according to the signal wave shape.

Fig. 2 is the signal patch layout and the cabling synoptic diagram of the touching device infrabasal plate of the utility model; As shown in Figure 2; Signal patch 102,103,104 is connected with first connector assembly 206 through lead 207 with 105; Thus signal is introduced in the controlled processing unit 107 through first connector assembly 206, for instance, first connector assembly 206 can be insert row or other connectors.

Fig. 3 is the circuit diagram of upper substrate of the touching device of the utility model; Similarly; Signal patch 102,103,104 is connected with second connector assembly 502 through lead 207 with 105; And through these second connector assembly, 502 ground connection, similarly, second connector assembly 502 also can be insert row or other connectors.

Preferably, signal patch 102,103,104 and 105 is formed rectangular array, in addition, can select the quantity of signal patch according to actual needs.Such as, like Figure 10 and shown in Figure 11, can the signal patch array be done periodically evenly to arrange and realize touch location in a big way, among Figure 10, each signal patch forms rectangular array, and the signal patch among Figure 11 forms triarray.

Upper substrate 101 is used to grip signal patch with infrabasal plate 106, is harness wiring between signal patch and the controlled processing unit 107 simultaneously.Preferably, the material selection rigid material of upper substrate 101 and infrabasal plate 106 can be that transparent material also can be an opaque material, for instance, can select transparent materials such as resin, glass, organic glass for use, or opaque material such as high rigidity plastics.Particularly, the position of placing signal patch and cabling to upper substrate 101 and infrabasal plate 106 through etch process carves groove, so that signal patch and signal wire are embedded in the substrate, like Fig. 4, shown in Figure 5.Fig. 4 shows the structural representation of infrabasal plate 106, and wherein the groove of signal patch is placed in label 112,113,114,115 representatives, and the structure of upper substrate 101 is identical with the structure shown in Fig. 4.Fig. 5 is the partial view of one jiao of substrate, shows the zoomed-in view at Fig. 4 further groove 114 places, and wherein 302 is grooves of cabling.

Signal patch 102,103,104,105 is used to survey the action whether touch is arranged on the upper substrate, and converts touch action to utilizable electrical signal sheet.Signal patch can be different shape, and hereinafter will be that example is further explained with disk type signal patch.As shown in Figure 6,401 is signal patch, and 402,403 are respectively signal patch 401 positive and negative polarities.As shown in Figure 7, signal patch is embedded through in the substrate after the etch process processing, THICKNESS CONTROL is below 0.1mm.Substrate is also wanted and can the electric signal that signal patch in the touch process produces be drawn in the fixed signal sheet, selects conducting resinl 601 bonding signal patch the two poles of the earth and leads for use, and conducting resinl thickness is 0.01mm ~ 0.03mm.Filling viscose glue 603 up and down between the two substrates, it is pressed into one, after waiting to solidify completion, upper and lower base plate bonds together.

Fig. 8 is the structural representation of the signal processing circuit of the novel touching device of this usefulness; As shown in Figure 8, controlled processing unit comprises multiselect one analog switch 701, is used for the gating signal sheet; After filtering circuit 702 Filtering Processing; Filtering circuit 702 output terminals insert the input end of integrating circuit 703, and the output terminal of integrating circuit inserts the input end of A/D change-over circuit 704, and main control circuit 705 is handled the output signal of A/D change-over circuit 704; Obtain comprising pressing signal intensity, press signal time and pressing the valid data of characteristics such as signal slope that the judgement through these characteristics obtains position coordinates accurately according to signal shape.

Fig. 9 is the workflow diagram of the touching device of the utility model, and it is example with four tunnel signal patch arrays that hereinafter will combine this process flow diagram, and the workflow of the touching device of this embodiment is described.As shown in Figure 9, workflow mainly comprises following step:

Step S1: controlled processing unit begins scan round four tunnel signal patch signals.

Step S2: main control circuit obtains the touch signal that signal patch that A/D change-over circuit 704 collects obtains, and whether the intensity of judging signal simultaneously is greater than preset threshold intensity.If signal intensity is less than threshold intensity, controlled processing unit continues the sweep signal sheet; If signal intensity is greater than threshold intensity, controlled processing unit gets into step S3 and begins image data, and data are made stores processor.

Step S3: controlled processing unit collection storage data, execution in step S4 simultaneously.

Step S4: judge acquisition time in the time of controlled processing unit collection storage data whether in the time range that allows, if acquisition time does not exceed the time range of permission, controlled processing unit continuation execution in step S3; Otherwise, get into step S5.

Step S5: controlled processing unit stops acquired signal; And the data of analyzing stored; If the data that obtain are effective touch signals; Obtain comprising pressing signal intensity, press signal time and pressing the valid data of characteristics such as signal slope that the judgement through these characteristics obtains position coordinates accurately according to signal shape; If not effective touch input signal, controlled processing unit empties data, begins to continue sweep signal sheet signal.

Need to prove at last; The above is merely the preferred embodiments of the utility model; Rather than, anyly be equal to replacement or corresponding improvement to what the utility model technical characterictic did to the qualification of the utility model technical scheme, still within the protection domain of the utility model.

Claims

1. touching device; It is characterized in that; Comprise: upper substrate (101), infrabasal plate (106) and be embedded in upper substrate and infrabasal plate between a plurality of signal patch (102,103,104,105); Each signal patch (102,103,104,105) is connected with controlled processing unit (107), and wherein, upper substrate (101) and infrabasal plate (106) have the groove of placing signal patch.

2. touching device as claimed in claim 1 is characterized in that, a plurality of signal patch (102,103,104,105) are arranged in rectangular array.

3. touching device as claimed in claim 1, base are characterised in that the two poles of the earth of signal patch (102,103,104,105) are connected with lead through conducting resinl respectively.

4. like each described touching device among the claim 1-3, it is characterized in that, be filled with viscose glue (603) between upper substrate (101) and the infrabasal plate (106).

5. touching device as claimed in claim 1; It is characterized in that; Controlled processing unit (107) comprises multiselect one analog switch (701), filtering circuit (702), integrating circuit (703), A/D change-over circuit (704) and the main control circuit (705) that is connected in series; And main control circuit (705) also is connected with integrating circuit (703) with multiselect one analog switch (701).

6. touching device as claimed in claim 1; It is characterized in that; Each signal patch (102,103,104,105) is connected with controlled processing unit (107) through first connector assembly (206); And each signal patch (102,103,104,105) is through second connector assembly (502) ground connection.

7. touching device as claimed in claim 1 is characterized in that, signal patch (102,103,104,105) is a disk type signal patch.

8. touching device as claimed in claim 1 is characterized in that, a plurality of signal patch are periodically evenly arranged between upper substrate (101) and infrabasal plate (106).

9. touching device as claimed in claim 8 is characterized in that, a plurality of signal patch form rectangular array or triarray.