CN102589757A - Sensing device for sensing force application - Google Patents

Abstract

A sensing device for sensing an applied force. The sensing device comprises a flexible layered dielectric structure, a first electrode plate, a second electrode plate, a third electrode plate and a measuring element. The flexible laminated dielectric structure has a first surface and a second surface opposite to each other. The first electrode sheet is arranged on the first surface. The second electrode sheet is arranged on the second surface. The second electrode sheet is entirely overlapped within the range of the first electrode sheet. The third electrode sheet is arranged on the second surface. The third electrode sheet only partially overlaps within the range of the first electrode sheet. The measuring element is used for measuring the electrical characteristics between the first electrode plate and the second electrode plate and the electrical characteristics between the first electrode plate and the third electrode plate.

Description

Sensing apparatus in order to the sensing application of force

Technical field

The application relates to a kind of sensing apparatus in order to the sensing application of force.

Background technology

Along with development of science and technology, develop and a kind of touch controlled key and contact panel.With the touch controlled key is example, and the user can finger presses or the contact touch-key, can assign instruction.This touch-key has been widely used in various household electrical appliances, computer-related products.

With the contact panel is example, and the user can assign instruction with finger contact contact panel.This contact panel has been widely used in mobile phone and mobile computer.

Yet, no matter be touch controlled key or contact panel, all can only merely detect the user and whether touch, the aspect of its application is narrower.With regard to present application, such touch controlled key or contact panel at most can only be as the input interfaces of electronic installation.

Summary of the invention

The application relates to a kind of sensing apparatus in order to the sensing application of force, and it utilizes the design of electrode slice and soft stratiform dielectric structure, comes the size of the vertical application of force of sensing and the size and the direction of the horizontal application of force with the variation through the electrical property feature between the electrode slice.

According to the application's first aspect, a kind of sensing apparatus in order to the sensing application of force is proposed.Sensing apparatus comprises soft stratiform dielectric structure, first electrode slice, second electrode slice, third electrode sheet and measuring sensor.Soft stratiform dielectric structure has opposite first and second surface.First electrode slice is arranged at first surface.Second electrode slice is arranged at second surface.Second electrode slice all is overlapped in the scope of first electrode slice.The third electrode sheet is arranged at second surface.The third electrode sheet only partially overlaps in the scope of first electrode slice.Measuring sensor is in order to measuring the electrical property feature between first electrode slice and second electrode slice, and the electrical property feature between first electrode slice and the third electrode sheet.

For the above-mentioned of the application and other aspects are had better understanding, hereinafter is special lifts preferred embodiment, and conjunction with figs., elaborates as follows:

Description of drawings

Fig. 1 illustrates the vertical view in order to the sensing apparatus of the sensing application of force of first embodiment.

Fig. 2 illustrate Fig. 1 in order to the sensing apparatus of the sensing application of force sectional view along section line 2-2.

Fig. 3 illustrate Fig. 1 in order to the sensing apparatus of the sensing application of force sectional view along section line 3-3.

The sensing apparatus in order to the sensing application of force that Fig. 4 illustrates first embodiment receives the synoptic diagram that external force is pushed towards first direction.

The sensing apparatus in order to the sensing application of force that Fig. 5 illustrates first embodiment receives the synoptic diagram that external force is pushed towards second direction.

Fig. 6 illustrates the synoptic diagram in order to the sensing apparatus of the sensing application of force of second embodiment.

Fig. 7 illustrates the synoptic diagram in order to the sensing apparatus of the sensing application of force of the 3rd embodiment.

Fig. 8 illustrates the sectional view in order to the sensing apparatus of the sensing application of force of the 4th embodiment.

Fig. 9 illustrates the sectional view in order to the sensing apparatus of the sensing application of force of the 5th embodiment.

Figure 10 illustrates the synoptic diagram in order to the sensing apparatus of the sensing application of force of the 6th embodiment.

Figure 11 illustrate Figure 10 in order to the sensing apparatus of the sensing application of force sectional view along section line 11-11.

Figure 12 illustrate Figure 10 in order to the sensing apparatus of the sensing application of force sectional view along section line 12-12.

Figure 13 illustrates the synoptic diagram in order to the sensing apparatus of the sensing application of force of the 7th embodiment.

Figure 14 illustrate Figure 13 in order to the sensing apparatus of the sensing application of force sectional view along section line 14-14.

Figure 15 illustrate Figure 13 in order to the sensing apparatus of the sensing application of force sectional view along section line 15-15.

Figure 16 illustrates the synoptic diagram in order to the sensing apparatus of the sensing application of force of the 8th embodiment.

Figure 17 illustrate Figure 16 in order to the sensing apparatus of the sensing application of force sectional view along section line 17-17.

Figure 18 illustrate Figure 16 in order to the sensing apparatus of the sensing application of force sectional view along section line 18-18.

Figure 19 illustrates the synoptic diagram in order to the sensing apparatus of the sensing application of force of the 9th embodiment.

Figure 20 illustrate Figure 19 in order to the sensing apparatus of the sensing application of force sectional view along section line 20-20.

Figure 21 illustrate Figure 19 in order to the sensing apparatus of the sensing application of force sectional view along section line 21-21.

Figure 22 illustrates the synoptic diagram in order to the sensing apparatus of the sensing application of force of the tenth embodiment.

Figure 23 illustrate Figure 22 in order to the sensing apparatus of the sensing application of force sectional view along section line 23-23.

Figure 24 illustrate Figure 22 in order to the sensing apparatus of the sensing application of force sectional view along section line 24-24.

[main element symbol description]

100,200,300,400,500,600,700,800,900,1000: in order to the sensing apparatus of the sensing application of force

110,410,510: soft stratiform dielectric structure

110a: first surface

110b: second surface

111,411,511,611: dielectric material

121,321: the first electrode slices

122,322: the second electrode slices

1231,1232,1233,1234,3231,3232,3233,3234,3235,3236,3237,3238: the third electrode sheet

130,630,730,830,930,1030: measuring sensor

412: propping material

A0, A1, A2, A3, A4: overlapping area

C0, C1, C2, C3, C4: capacitance

D1: first direction

D2: second direction

G: space

L0, L1, L2, L3, L4: distance

P1, P2: central point

R0, R1, R2, R3, R4: resistance value

ε: specific inductive capacity

ρ: resistance coefficient

Embodiment

First embodiment

Please with reference to Fig. 1～Fig. 2, Fig. 1 illustrates the vertical view in order to the sensing apparatus 100 of the sensing application of force of first embodiment, Fig. 2 illustrate Fig. 1 in order to the sensing apparatus 100 of the sensing application of force sectional view along section line 2-2.Comprise a soft stratiform dielectric structure 110 (being illustrated in Fig. 2), one first electrode slice 121, one second electrode slice 122, four third electrode sheets 1231,1232,1233,1234 and measuring sensors 130 in order to the sensing apparatus 100 of the sensing application of force.As shown in Figure 2, soft stratiform dielectric structure 110 has a relative first surface 110a and a second surface 110b.First electrode slice 121 is arranged at first surface 110a.1231,1232,1233,1234 of second electrode slice 122 and third electrode sheets are arranged at second surface 110b.In the present embodiment, the quantity of third electrode sheet 1231,1232,1233,1234 is that example is done explanation with four, yet in another embodiment, the quantity of third electrode sheet also can be one, more than two or four.

In Fig. 1, first electrode slice 121 is positioned at the below, and second electrode slice 122 and third electrode sheet 1231,1232,1233,1234 then are arranged at the top, so the edge of first electrode slice 121 of crested adopts dotted line to represent.With regard to overlapping relation; Second electrode slice 122 all is overlapped in the scope of first electrode slice 121 (122 complete containing in the area at first electrode slice 121 of second electrode slice), 1231,1232,1233,1234 of each third electrode sheets only overlap in the scope of first electrode slice 121 (1231,1232,1233,1234 of first electrode slice 121 and these third electrode sheets have part area overlapping).

As shown in Figure 1, with regard to shape, the shape of first electrode slice 121, second electrode slice 122 and third electrode sheet 1231,1232,1233,1234 can be rectangle, circle or polygon.In the present embodiment, the shape of first electrode slice 121, second electrode slice 122 and third electrode sheet 1231,1232,1233,1234 is all square.

As shown in Figure 1, with regard to area, the area of first electrode slice 121 is greater than the area of second electrode slice 122, and the area of each third electrode sheet 1231,1232,1233,1234 is then equal in fact.

As shown in Figure 1; With regard to the relation of position; The center point P 1 of first electrode slice 121 and the center point P 2 of second electrode slice 122 are overlapping in fact; 1231,1232,1233,1234 center point P 1 that are symmetrical in first electrode slice 121 of these third electrode sheets, and be surrounded on the periphery of second electrode slice 122, and each third electrode sheet 1231,1232,1233,1234 is identical in fact with the spacing of second electrode slice 122.

In the present embodiment, the quantity of these third electrode sheets 1231,1232,1233,1234 is four, and third electrode sheet 1231,1232,1233,1234 is arranged at four sides of first electrode slice 121.

Please with reference to Fig. 2, the electrical property feature between first electrode slice 121 and second electrode slice 122 is a capacitance, and first electrode slice 121 and each third electrode sheet 1231,1232,1233, the electrical property feature between 1234 also are capacitances.

After measuring sensor 130 is measured these electrical property features, analyze again, can pick out the user and force in application of force size and application of force direction in order to the sensing apparatus 100 of the sensing application of force.

Please with reference to Fig. 2, soft stratiform dielectric structure 110 comprises a dielectric material 111.Be arranged between first electrode slice 121 and second electrode slice 122 to these dielectric material 111 continuitys, and first electrode slice 121 and third electrode sheet 1231,1232,1233, between 1234.

The distance L 0 of the overlapping area A0 of the capacitance C0 between first electrode slice 121 and second electrode slice 122, first electrode slice 121 and second electrode slice 122, first electrode slice 121 and second electrode slice 122 and the DIELECTRIC CONSTANTS of dielectric material meet the following relationship formula:

$C0=\mathrm{\ϵ}\frac{A0}{L0}---\left(1\right)$

In like manner, the capacitance C1 between first electrode slice 121 and the third electrode sheet 1231, first electrode slice 121 meet the following relationship formula with overlapping area A1, first electrode slice 121 of third electrode sheet 1231 with the distance L 1 of third electrode sheet 1231 and the DIELECTRIC CONSTANTS of dielectric material:

$\mathrm{<figure-callout\; id="1"\; label="C"\; filenames="HDA0000114318420000062.png"\; state="\{\{state\}\}">C</figure-callout>}1=\mathrm{\&epsiv;}\frac{A1}{L1}---\left(2\right)$

In like manner, the capacitance C2 between first electrode slice 121 and the third electrode sheet 1232, first electrode slice 121 meet the following relationship formula with overlapping area A2, first electrode slice 121 of third electrode sheet 1232 with the distance L 2 of third electrode sheet 1232 and the DIELECTRIC CONSTANTS of dielectric material 111:

$\mathrm{<figure-callout\; id="2"\; label="C"\; filenames="HDA0000114318420000011.png"\; state="\{\{state\}\}">C</figure-callout>}2=\mathrm{\&epsiv;}\frac{A2}{L2}---\left(3\right)$

Please refer again to Fig. 3, its illustrate Fig. 1 in order to the sensing apparatus 100 of the sensing application of force sectional view along section line 3-3.In like manner, the capacitance C3 between first electrode slice 121 and the third electrode sheet 1233, first electrode slice 121 meet the following relationship formula with overlapping area A3, first electrode slice 121 of third electrode sheet 1233 with the distance L 3 of third electrode sheet 1233 and the DIELECTRIC CONSTANTS of dielectric material 111:

$\mathrm{<figure-callout\; id="3"\; label="C"\; filenames="HDA0000114318420000011.png"\; state="\{\{state\}\}">C</figure-callout>}3=\mathrm{\&epsiv;}\frac{A3}{L3}---\left(4\right)$

In like manner, the capacitance C4 between first electrode slice 121 and the third electrode sheet 1234, first electrode slice 121 meet the following relationship formula with overlapping area A4, first electrode slice 121 of third electrode sheet 1234 with the distance L 4 of third electrode sheet 1234 and the DIELECTRIC CONSTANTS of dielectric material 111:

$C4=\mathrm{\&epsiv;}\frac{A4}{L4}---\left(5\right)$

When external force put on dielectric material 111, external force can be decomposed into the vertical application of force and the horizontal application of force.Vertically the application of force will make dielectric material 111 produce deformation in vertical direction, and laterally the application of force then can make dielectric material 111 produce displacement in the horizontal direction.For instance, please with reference to Fig. 4, its sensing apparatus 100 that illustrates in order to sensing receives the synoptic diagram that external force is pushed towards first direction D1.Oblique line is partly represented the size of overlapping area A0, A1, A2, A3, A4.When the sensing apparatus 100 in order to the sensing application of force receives external force when first direction D1 pushes; Distance L 0, L1, L2, L3, L4 (being illustrated in Fig. 2～Fig. 3 figure) will be compressed and dwindle; Overlapping area A0, A1, A2 can not change, and overlapping area A3 can increase, and overlapping area A4 then can reduce.Thus, according to above-mentioned relation formula (1)～(5), capacitance C0, C1, C2 will increase, and capacitance C3 will be greater than capacitance C1, C2, and capacitance C4 will be less than capacitance C1, C2.

Please with reference to Fig. 5, its sensing apparatus 100 that illustrates in order to the sensing application of force receives the synoptic diagram that external force is pushed towards second direction D2.Oblique line is partly represented the size of overlapping area A0, A1, A2, A3, A4.When the sensing apparatus 100 in order to the sensing application of force receives external force when second direction D2 pushes; Distance L 0, L1, L2, L3, L4 (are illustrated in Fig. 2～Fig. 3) will be compressed and dwindle; Overlapping area A0, A3, A4 can not change, and overlapping area A1 then can reduce, and overlapping area A2 then can increase.Thus, according to above-mentioned relation formula (1)～(5), capacitance C0, C3, C4 will increase, and capacitance C1 will be less than capacitance C3, C4, and capacitance C2 will be greater than capacitance C3, C4.

In like manner; When the sensing apparatus 100 in order to the sensing application of force receives external force when the opposite direction of first direction D1 is pushed; Perhaps receive external force when the opposite direction of second direction D2 is pushed in order to the sensing apparatus 100 of the sensing application of force; Capacitance C0, C1, C2, C3, C4 also have similar situation, at this repeated description no longer.That is to say, analyze the variation of capacitance C0, C1, C2, C3, C4, can recognize that the sensing apparatus 100 in order to the sensing application of force receives the direction of pushing of external force.

In sum, general touch controlled key or pressure-sensing device only can analyze the size of vertical application of force, and can't measure the directivity of the application of force.And present embodiment in order to the sensing apparatus 100 of the sensing application of force except can more coming the size and the direction of the horizontal application of force of sensing through the variation of the electrical property feature between the electrode slice the size of the vertical application of force of sensing.

Further, in the application of product, can be used as touch controlled key or contact panel in order to the sensing apparatus 100 of the sensing application of force.

In one embodiment, the sensing apparatus 100 in order to the sensing application of force can matrix form be arranged on the film.When user's application of force at these during in order to the sensing apparatus 100 of the sensing application of force, each sensing apparatus 100 in order to the sensing application of force can analyze different application of force directions and application of force size separately, so, also can be applicable on some specialities.For instance, can be applied on shoe-pad, shoes, clothes or the gloves in order to the sensing apparatus 100 of the sensing application of force, when coming the sensing human body to make exercises to shoe-pad, shoes, clothes or gloves vertically with horizontal application of force situation.Giving birth on doctor's industry, can further correct the incorrect action of user according to the analysis of the application of force.

Second embodiment

Please with reference to Fig. 6, it illustrates the synoptic diagram in order to the sensing apparatus 200 of the sensing application of force of second embodiment.Being in order to the sensing apparatus 200 of the sensing application of force and sensing apparatus 100 differences in order to the sensing application of force of first embodiment of present embodiment: 200 of the sensing apparatus in order to the sensing application of force of present embodiment are provided with first electrode slice 121, second electrode slice 122 and third electrode sheet 1231,1234, and omit third electrode sheet 1232,1233.When the sensing apparatus 200 in order to the sensing application of force receives external force and pushes, analyze the variation of overlapping area A0, A1, A4, also can judge the direction of pushing that receives external force in order to the sensing apparatus 200 of the sensing application of force easily.

The 3rd embodiment

Please with reference to Fig. 7, it illustrates the synoptic diagram in order to the sensing apparatus 300 of the sensing application of force of the 3rd embodiment.Sensing apparatus 100 differences in order to the sensing apparatus 300 of the sensing application of force and first embodiment of present embodiment in order to the sensing application of force be present embodiment first electrode slice 321 and second electrode slice 322 be shaped as octagon; The quantity of third electrode sheet 3231,3232,3233,3234,3235,3236,3237,3238 is eight, and third electrode sheet 3231,3232,3233,3234,3235,3236,3237,3238 is arranged at eight sides of first electrode slice 321.

Likewise, through the judgment mode of above-mentioned capacitance, also can judge eight at an easy rate and push direction.

The 4th embodiment

Please with reference to Fig. 8; It illustrates the sectional view in order to the sensing apparatus 400 of the sensing application of force of the 4th embodiment; Present embodiment be soft stratiform dielectric structure 410 in order to the sensing apparatus 400 of the sensing application of force and sensing apparatus 100 differences of first embodiment in order to the sensing application of force, all the other something in common are repeated description no longer.

As shown in Figure 8, the soft stratiform dielectric structure 410 of present embodiment comprises several dielectric materials 411 and several propping materials 412.Dielectric material 411 separate types are arranged between first electrode slice 121 and second electrode slice 122, and first electrode slice 121 and third electrode sheet 1231,1232,1233, (section of Fig. 8 is only drawn third electrode sheet 1231,1232) between 1234.412 of propping materials connect adjacent dielectric material 411, and the hardness of each propping material 412 is greater than the hardness of each dielectric material 411.

Thus, when soft stratiform dielectric structure 410 receives external force and pushes, can come through the support of propping material 412 to restore to the original state fast.

The 5th embodiment

Please with reference to Fig. 9; It illustrates the sectional view in order to the sensing apparatus 500 of the sensing application of force of the 5th embodiment; Present embodiment be soft layer structure 510 in order to the sensing apparatus 500 of the sensing application of force and sensing apparatus 100 differences of first embodiment in order to the sensing application of force, all the other something in common are repeated description no longer.

As shown in Figure 9, the soft stratiform dielectric structure 510 of present embodiment comprises the dielectric material 511 of several separation.Dielectric material 510 separate types of each separation are arranged between first electrode slice 121 and second electrode slice 122, and first electrode slice 121 and third electrode sheet 1231,1232,1233, (Fig. 9 only shows third electrode sheet 1231,1232) between 1234.Adjacent dielectric material 511 is a space G at interval.

Thus, when soft stratiform dielectric structure 510 received external force and pushes, soft stratiform dielectric structure 510 can more easily produce deformation.

According to above-mentioned the first, the 4th and the 5th embodiment, the different designs through soft stratiform dielectric structure 110,410,510 can obtain different results, and the deviser can do design according to product demand.

The 6th embodiment

Please with reference to Figure 10; It illustrates the synoptic diagram in order to the sensing apparatus 600 of the sensing application of force of the 6th embodiment; Present embodiment be that in order to the sensing apparatus 600 of the sensing application of force and sensing apparatus 100 differences of first embodiment measuring sensor 630 measured electrical property features are resistance value in order to the sensing application of force, all the other something in common are repeated description no longer.

In the present embodiment, dielectric material 611 (with reference to Figure 11) is selected the material with vertical conducting characteristic for use.With first electrode slice 121 and third electrode sheet 1231 is example, has only overlapping just to understand vertical conducting.

Please with reference to Figure 11, its illustrate Figure 10 in order to the sensing apparatus 600 of the sensing application of force sectional view along section line 11-11.The distance L 0 of the overlapping area A0 of the resistance value R0 between first electrode slice 121 and second electrode slice 122, first electrode slice 121 and second electrode slice 122, first electrode slice 121 and second electrode slice 122 and the resistance coefficient ρ of dielectric material 611 meet the following relationship formula:

$R0=\mathrm{\&rho;}\frac{L0}{A0}---\left(6\right)$

In like manner, the resistance value R1 between first electrode slice 121 and the third electrode sheet 1231, first electrode slice 121 meet the following relationship formula with overlapping area A1, first electrode slice 121 of third electrode sheet 1231 with the distance L 1 of third electrode sheet 1231 and the resistance coefficient ρ of dielectric material 611:

$\mathrm{<figure-callout\; id="1"\; label="R"\; filenames="HDA0000114318420000062.png"\; state="\{\{state\}\}">R</figure-callout>}1=\mathrm{\&rho;}\frac{L1}{A1}---\left(7\right)$

In like manner, the resistance value R2 between first electrode slice 121 and the third electrode sheet 1232, first electrode slice 121 meet the following relationship formula with overlapping area A2, first electrode slice 121 of third electrode sheet 1232 with the distance L 2 of third electrode sheet 1232 and the resistance coefficient ρ of dielectric material 611:

$\mathrm{<figure-callout\; id="2"\; label="R"\; filenames="HDA0000114318420000011.png"\; state="\{\{state\}\}">R</figure-callout>}2=\mathrm{\&rho;}\frac{L2}{A2}---\left(8\right)$

Please refer again to Figure 12, its illustrate Figure 10 in order to the sensing apparatus 600 of the sensing application of force sectional view along section line 12-12.In like manner, the resistance value R3 between first electrode slice 121 and the third electrode sheet 1233, first electrode slice 121 meet the following relationship formula with overlapping area A3, first electrode slice 121 of third electrode sheet 1233 with the distance L 3 of third electrode sheet 1233 and the specific inductive capacity ρ of dielectric material 611:

$\mathrm{<figure-callout\; id="3"\; label="R"\; filenames="HDA0000114318420000011.png"\; state="\{\{state\}\}">R</figure-callout>}3=\mathrm{\&rho;}\frac{L3}{A3}---\left(9\right)$

In like manner, the resistance value R4 between first electrode slice 121 and the third electrode sheet 1234, first electrode slice 121 meet the following relationship formula with overlapping area A4, first electrode slice 121 of third electrode sheet 1234 with the distance L 4 of third electrode sheet 1234 and the specific inductive capacity ρ of dielectric material 611:

$R4=\mathrm{\&rho;}\frac{L4}{A4}---\left(10\right)$

When the sensing apparatus 600 in order to the sensing application of force received external force and pushes, the variation of distance L 0, L1, L2, L3, L4 and overlapping area A0, A1, A2, A3, A4 will influence resistance value R0, R1, R2, R3, R4.So, being similar to the analysis mode of first embodiment, 630 variations that need to analyze resistance value R0, R1, R2, R3, R4 of measuring sensor can recognize that the sensing apparatus 600 in order to the sensing application of force receives the direction of pushing of external force.

The 7th embodiment

Please with reference to Figure 13, it illustrates the synoptic diagram in order to the sensing apparatus 700 of the sensing application of force of the 7th embodiment.Present embodiment be that in order to the sensing apparatus 700 of the sensing application of force and sensing apparatus 100 differences of first embodiment measuring sensor 730 measured electrical property features are capacitance and the mixing of resistance value in order to the sensing application of force, all the other something in common are repeated description no longer.

Please with reference to Figure 14, its illustrate Figure 13 in order to the sensing apparatus 700 of the sensing application of force sectional view along section line 14-14.Please refer again to Figure 15, its illustrate Figure 13 in order to the sensing apparatus 700 of the sensing application of force sectional view along section line 14-14.When the sensing apparatus 700 in order to the sensing application of force received external force and pushes, the variation of distance L 0, L1, L2, L3, L4 and overlapping area A0, A1, A2, A3, A4 will influence capacitance C0 and resistance value R1, R2, R3, R4.So, being similar to the analysis mode of first embodiment, 730 of measuring sensors need to analyze the variation of capacitance C0 and resistance value R1, R2, R3, R4, can recognize that the sensing apparatus 700 in order to the sensing application of force receives the direction of pushing of external force.

The 8th embodiment

Please with reference to Figure 16, it illustrates the synoptic diagram in order to the sensing apparatus 800 of the sensing application of force of the 8th embodiment.Present embodiment be that in order to the sensing apparatus 800 of the sensing application of force and sensing apparatus 100 differences of first embodiment measuring sensor 830 measured electrical property features are capacitance and the mixing of resistance value in order to the sensing application of force, all the other something in common are repeated description no longer.

Please with reference to Figure 17, its illustrate Figure 16 in order to the sensing apparatus 800 of the sensing application of force sectional view along section line 17-17.Please refer again to Figure 18, its illustrate Figure 16 in order to the sensing apparatus 800 of the sensing application of force sectional view along section line 18-18.When the sensing apparatus 800 in order to the sensing application of force received external force and pushes, the variation of distance L 0, L1, L2, L3, L4 and overlapping area A0, A1, A2, A3, A4 will influence capacitance C1, C2, C3, C4 and resistance value R0.So, being similar to the analysis mode of first embodiment, 830 variations that need to analyze capacitance C1, C2, C3, C4 and resistance value R0 of measuring sensor can recognize that the sensing apparatus 800 in order to the sensing application of force receives the direction of pushing of external force.

The 9th embodiment

Please with reference to Figure 19, it illustrates the synoptic diagram in order to the sensing apparatus 900 of the sensing application of force of the 9th embodiment.Present embodiment be that in order to the sensing apparatus 900 of the sensing application of force and sensing apparatus 100 differences of first embodiment measuring sensor 930 measured electrical property features are capacitance and the mixing of resistance value in order to the sensing application of force, all the other something in common are repeated description no longer.

Please with reference to Figure 20, its illustrate Figure 19 in order to the sensing apparatus 900 of the sensing application of force sectional view along section line 20-20.Please refer again to Figure 21, its illustrate Figure 19 in order to the sensing apparatus 900 of the sensing application of force sectional view along section line 21-21.When the sensing apparatus 900 in order to the sensing application of force received external force and pushes, the variation of distance L 0, L1, L2, L3, L4 and overlapping area A0, A1, A2, A3, A4 will influence capacitance C0, C1, C2 and resistance value R3, R4.So, being similar to the analysis mode of first embodiment, 930 variations that need to analyze capacitance C0, C1, C2 and resistance value R3, R4 of measuring sensor can recognize that the sensing apparatus 900 in order to the sensing application of force receives the direction of pushing of external force.

In one embodiment, the electrical property feature between two electrodes can be a capacitance and the mixing of resistance value.When sensing apparatus during, will have influence on capacitance and resistance value by the application of force.The moving direction of sensing apparatus can obtain through an analytical approach.

The tenth embodiment

Please with reference to Figure 22, it illustrates the synoptic diagram in order to the sensing apparatus 1000 of the sensing application of force of the tenth embodiment.Present embodiment be that in order to the sensing apparatus 1000 of the sensing application of force and sensing apparatus 100 differences of first embodiment measuring sensor 1030 measured electrical property features are capacitance and the mixing of resistance value in order to the sensing application of force, all the other something in common are repeated description no longer.

Please with reference to Figure 23, its illustrate Figure 22 in order to the sensing apparatus 1000 of the sensing application of force sectional view along section line 23-23.Please refer again to Figure 24, its illustrate Figure 22 in order to the sensing apparatus 1000 of the sensing application of force sectional view along section line 24-24.When the sensing apparatus 1000 in order to the sensing application of force received external force and pushes, the variation of distance L 0, L1, L2, L3, L4 and overlapping area A0, A1, A2, A3, A4 will influence capacitance C3, C4 and resistance value R0, R1, R2.So, being similar to the analysis mode of first embodiment, 1030 variations that need to analyze capacitance C3, C4 and resistance value R0, R1, R2 of measuring sensor can recognize that the sensing apparatus 1000 in order to the sensing application of force receives the direction of pushing of external force.

Illustrate though the foregoing description is the embodiment with Fig. 1～Figure 24, the present invention is not exceeded with the embodiment of above-mentioned employing one first electrode slice, one second electrode slice.For instance, sensing apparatus can comprise a plurality of second electrode slices, all is overlapped in the scope of corresponding first electrode slice as long as meet a plurality of second electrode slices, does not promptly exceed the affiliated technical scope of the present invention.

In sum, though this application has with embodiment openly as above, so it is not in order to limit the application.The application one of ordinary skill in the art are in spirit that does not break away from the application and scope, when doing various changes and retouching.Therefore, the application's protection domain is as the criterion when looking the appended claims person of defining.

Claims (14)

1. sensing apparatus in order to the sensing application of force comprises:

Soft stratiform dielectric structure has opposite first and second surface;

First electrode slice is arranged at this first surface;

Second electrode slice is arranged at this second surface, and this second electrode slice all is overlapped in the scope of this first electrode slice;

The third electrode sheet is arranged at this second surface, and this third electrode sheet only partially overlaps in the scope of this first electrode slice; And

Measuring sensor, in order to measuring the electrical property feature between this first electrode slice and this second electrode slice, and the electrical property feature between this first electrode slice and this third electrode sheet.

2. sensing apparatus as claimed in claim 1, wherein this first electrode slice is shaped as circle or polygon.

3. sensing apparatus as claimed in claim 1, wherein this first electrode slice be shaped as square, this third electrode sheet is arranged at the side of this first electrode slice, has the part area overlapping between this first electrode slice and this third electrode sheet.

4. sensing apparatus as claimed in claim 1, wherein the electrical property feature between this first electrode slice and this second electrode slice is a capacitance, the electrical property feature between this first electrode slice and this third electrode sheet is a capacitance.

5. sensing apparatus as claimed in claim 1, wherein the electrical property feature between this first electrode slice and this second electrode slice is a resistance value, the electrical property feature between this first electrode slice and this third electrode sheet is a resistance value.

6. sensing apparatus as claimed in claim 1, wherein the electrical property feature between this first electrode slice and this second electrode slice is a resistance value, the electrical property feature between this first electrode slice and this third electrode sheet is a capacitance.

7. sensing apparatus as claimed in claim 1, wherein the electrical property feature between this first electrode slice and this second electrode slice is a capacitance, the electrical property feature between this first electrode slice and this third electrode sheet is a resistance value.

8. sensing apparatus as claimed in claim 1; Wherein this sensing apparatus also comprises at least two third electrode sheets; Electrical property feature between this first electrode slice and this second electrode slice is a capacitance; Electrical property feature between one of them of this first electrode slice and these third electrode sheets is a resistance value, and the electrical property feature between wherein another of this first electrode slice and these third electrode sheets is a capacitance.

9. sensing apparatus as claimed in claim 1; Wherein this sensing apparatus also comprises at least two third electrode sheets; Electrical property feature between this first electrode slice and this second electrode slice is a resistance value; Electrical property feature between one of them of this first electrode slice and these third electrode sheets is a capacitance, and the electrical property feature between wherein another of this first electrode slice and these third electrode sheets is a resistance value.

10. sensing apparatus as claimed in claim 1, wherein this first electrode slice be shaped as rectangle, this third electrode sheet is arranged at the side of this first electrode slice, has the part area overlapping between this first electrode slice and this third electrode sheet.

11. sensing apparatus as claimed in claim 1, wherein this first electrode slice be shaped as octagon, this third electrode sheet is arranged at the side of this first electrode slice, has the part area overlapping between this first electrode slice and this third electrode sheet.

12. sensing apparatus as claimed in claim 1, wherein this soft stratiform dielectric structure comprises:

Dielectric material is arranged to continuity between this first electrode slice and this second electrode slice, and between this first electrode slice and this third electrode sheet.

13. sensing apparatus as claimed in claim 1, wherein this soft stratiform dielectric structure comprises:

A plurality of dielectric materials, separate type are arranged between this first electrode slice and this second electrode slice, and between this first electrode slice and this third electrode sheet; And

A plurality of propping materials connect these adjacent dielectric materials, and respectively the hardness of this propping material is greater than the hardness of this dielectric material respectively.

14. sensing apparatus as claimed in claim 1, wherein this soft stratiform dielectric structure comprises:

A plurality of dielectric materials, separate type are arranged between this first electrode slice and this second electrode slice, and between this first electrode slice and this third electrode sheet, these adjacent dielectric materials are a space at interval.

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