CN109489697A - A kind of capacitance sensor that can identify limb action - Google Patents
A kind of capacitance sensor that can identify limb action Download PDFInfo
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- CN109489697A CN109489697A CN201811412818.9A CN201811412818A CN109489697A CN 109489697 A CN109489697 A CN 109489697A CN 201811412818 A CN201811412818 A CN 201811412818A CN 109489697 A CN109489697 A CN 109489697A
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
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Abstract
The present invention provides a kind of capacitance sensors that can identify limb action, including at least three electrodes, form at least two capacitors, and the surface and/or inside of hard material is arranged in electrode；Limbs when being arranged so that contact for forming at least three electrodes of at least two capacitors at least cover the electric field line effective active area S1 of one of capacitor；Limbs arrive the change rate of the capacitance of remaining at least one capacitor greatly to be able to detect that when pressing；Region on hard material corresponding to effective active area S1 is provided with Touch Zone.The beneficial effect is that: the present invention is type flexible material according to limbs, when limbs press hard material, limbs deform, so that the contact area of limbs and hard material changes, and then different degrees of variation occurs for the capacitance for the multiple capacitors for causing to be arranged in inside hard material or surface, so that capacitance sensor can determine the action classification of limbs according to the variation degree of the capacitance of different capacitors.
Description
Technical field
The present invention relates to a kind of capacitance sensors that can identify limb action.
Background technique
The capacitance sensor of existing limbs for identification close to action classification is arranged on flexible material, this to set
The mode of setting is according to limbs and the flexible material contact for being provided with capacitance sensing, and the surface of flexible material can deform, so that
Vertical distance between two electrodes of capacitance sensor change caused by the capacitance of capacitor change, into
And determine the push action of limbs.
The use occasion of capacitance sensor of this set on flexible material is very limited, in many occasions in, such as automobile
Glass, electromagnetic oven, in washing machine, this sensor for differentiating limbs close to movement is not available, therefore develops a kind of energy
It is arranged on hard material, and can differentiates the action classification of limbs, and then makes the capacitance sensor ten of product performance different function
Divide necessity.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of capacitance sensings that can identify limb action
Device.
A kind of capacitance sensor that can identify limb action of the present invention, technical solution are as follows:
A kind of capacitance sensor that can identify limb action, it is characterised in that: the capacitance sensor includes at least three
Electrode, the electrode form at least two capacitors, and the surface and/or inside of hard material, the electricity is arranged in the electrode
Holding sensor can be according to the close of variation degree identification limbs, contact and the push action of the capacitance of the different capacitors；
Limbs when being arranged so that contact for forming at least three electrodes of at least two capacitors at least cover one of electricity
The electric field line effective active area S1 of container, limbs arrive the change rate of the capacitance of remaining at least one capacitor greatly when pressing
It is able to detect that.
A kind of capacitance sensor that can identify limb action provided by the invention, further includes following attached technical scheme:
Wherein, the setting of at least three electrodes, so that limbs at least cover the electricity of one of capacitor when contact
90% or more of field wire effective active area S1, the electric field line that limbs also cover remaining at least one capacitor simultaneously when pressing have
Imitate 30% or more of active area S2, wherein S1 < 9mm2。
Wherein, on the first plane, remaining electrode is arranged in the second plane the setting of at least one electrode.
Wherein, the interior spacing d between two electrodes of capacitor is not less than the plane where the plane where the electrode
To the 1/2 of the distance h for touching plane.
Wherein, the region on the hard material corresponding to effective active area S1 is provided with touch-control mark, the touch-control
Mark is printing, etching, stickup, projection or sign.
Wherein, the electrode is open electrode or enclosed-electrode.
Wherein, when the upper surface of hard material is arranged in electrode, it is thin that the upper surface of the hard material is provided with plastics
Film.
A kind of glass, including glass outer plate and inner layer glass plate, which is characterized in that the glass outer plate and internal layer glass
It include capacitance sensor described above between glass plate.
A kind of automobile, which is characterized in that the automobile includes glass described above.
A kind of ceramic panel, which is characterized in that the lower surface of the ceramic panel is provided with capacitance sensing described above
Device.
A kind of acrylic panel, which is characterized in that the lower surface of the acrylic panel is provided with capacitor as described above
Sensor.
A kind of household electrical appliance, which is characterized in that the household electrical appliance include glass or the household electrical appliance described above
It include acrylic panel described above including ceramic panel described above or the household electrical appliance.
Implementation of the invention includes following technical effect:
The present invention is by being arranged at least three electrodes on the surface of hard material or inside, to form at least two capacitors
Device, capacitance sensor judge the action classification of limbs by the variation degree of the capacitance of at least two capacitors, foundation
It is limbs is type flexible material, when limbs press hard material, limbs can deform, so that limbs and hard material
The contact area of material changes, and then the capacitance for causing to be arranged in multiple capacitors on inside hard material or surface occurs
Different degrees of variation, specifically, the application pass through the setting of at least three electrodes, so that limbs at least cover when contact
The electric field line effective active area of one of capacitor, limbs make the change of the capacitance of remaining at least one capacitor when pressing
Rate arrives be able to detect that greatly, so that capacitance sensor provided by the present application can be according to the change of the capacitance of multiple capacitors
Change degree determines the action classification of limbs.
Detailed description of the invention
Fig. 1 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising three
A electrode being disposed on the same plane.
Fig. 2 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising three
A electrode being arranged in Different Plane.
Fig. 3 is the electrode top view in Fig. 1 or Fig. 2, and electrode is strip electrode.
Fig. 4 is the electric field line effective active area schematic diagram in Fig. 3.
Fig. 5 is the electrode top view in Fig. 1 or Fig. 2, and electrode is annular electrode.
Fig. 6 is the electric field line effective active area schematic diagram in Fig. 5.
Fig. 7 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising four
A electrode being disposed on the same plane.
Fig. 8 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising four
A electrode being arranged in Different Plane.
Fig. 9 is the electrode top view in Fig. 7 or Fig. 8, and electrode is strip electrode.
Figure 10 is electric field line effective active area schematic diagram in Fig. 9.
Figure 11 is the electrode top view in Fig. 7 or Fig. 8, and electrode is annular electrode.
Figure 12 is the electric field line effective active area schematic diagram in Figure 11.
Figure 13 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising six
A electrode being disposed on the same plane.
Figure 14 is the electrode top view in Figure 13, and electrode is strip electrode.
Figure 15 is the electric field line effective active area schematic diagram in Figure 14.
Figure 16 is the electrode top view in Figure 13, and electrode is annular electrode.
Figure 17 is the electric field line effective active area schematic diagram in Figure 16.
Figure 18 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising three
A electrode being disposed on the same plane, first electrode and second electrode form first capacitor device C1, second electrode and third electricity
Pole forms the second capacitance sensor C2.
Figure 19 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising three
A electrode being arranged in Different Plane, first electrode and second electrode form first capacitor device C1, second electrode and third electricity
Pole forms the second capacitance sensor C2.
Figure 20 is the electrode top view in Figure 18 or Figure 19, and electrode is strip electrode.
Figure 21 is the electric field line effective active area schematic diagram in figure.
Figure 22 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising four
A electrode being disposed on the same plane, first electrode and second electrode form first capacitor device C1, third electrode and the 4th electricity
Pole forms the second capacitance sensor C2.
Figure 23 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising four
A electrode being arranged in Different Plane, first electrode and second electrode form first capacitor device C1, third electrode and the 4th electricity
Pole forms the second capacitance sensor C2.
Figure 24 is the electrode top view in Figure 22 or Figure 23, and electrode is strip electrode.
Figure 25 is electric field line effective active area schematic diagram in Figure 24.
Figure 26 is a kind of distribution of electrodes schematic diagram of capacitance sensor that can identify limb action of the invention comprising six
A electrode being disposed on the same plane, first electrode and second electrode form first capacitor device C1, third electrode and the 4th electricity
Pole forms the second capacitance sensor C2, and the 5th electrode and the 6th electrode form third capacitor C3.
Figure 27 is the electrode top view in Figure 26, and electrode is strip electrode.
Figure 28 is the electric field line effective active area schematic diagram in Figure 27.
Figure 29 is that the structural schematic diagram between double glazing is arranged in sensor.
Figure 30 is the structural schematic diagram that the lower surfaces of hard materials such as ceramics or acrylic are arranged in sensor.
Specific embodiment
Lower plane will in conjunction with the embodiments and the present invention is described in detail in attached drawing, it should be pointed out that described
Embodiment is intended merely to facilitate the understanding of the present invention, and does not play any restriction effect to it.
Orientation described herein is for example to compare the convenience of attached drawing description and use up and down, composition pair
The restriction of protection scope.
A kind of capacitance sensor that can identify limb action provided in this embodiment, the capacitance sensor include at least three
A electrode, the electrode form at least two capacitors, and the surface and/or inside of hard material is arranged in the electrode, described
Capacitance sensor can be according to the close of variation degree identification limbs of the capacitance of the different capacitors, contact and by pressing
Make；Limbs when being arranged so that contact for forming at least three electrodes of at least two capacitors at least cover wherein one
The electric field line effective active area S1 of a capacitor；Limbs make the change rate of the capacitance of remaining at least one capacitor when pressing
It is big to being able to detect that.The present invention is by being arranged at least three electrodes on the surface of hard material or inside, to form at least two
A capacitor, capacitance sensor judge the action classification of limbs by the variation degree of the capacitance of at least two capacitors,
Being based on limbs is type flexible material, limbs press hard material when, limbs can deform so that limbs with
The contact area of hard material changes, and then causes to be arranged in the capacitor of multiple capacitors on inside hard material or surface
Different degrees of variation occurs for value, and specifically, the application passes through the setting of at least three electrodes, so that limbs are extremely when contact
Cover the electric field line effective active area S1 of one of capacitor less, limbs make the electricity of remaining at least one capacitor when pressing
The change rate of capacitance, which arrives greatly, to be able to detect that, so that capacitance sensor provided by the present application can be according to the electricity of multiple capacitors
The variation degree of capacitance determines the action classification of limbs.
In the present invention, capacitance sensor includes at least two capacitance sensors, in fact, the capacitance sensor in the present invention
It may include multiple capacitors, exist between the effective active area of the electric field line of the multiple capacitor comprising, intersection and phase
From relationship.
Preferably, the setting of at least three electrodes, so that limbs at least cover one of capacitor when contact
90% or more of electric field line effective active area S1, limbs also cover the electric field line of remaining at least one capacitor simultaneously when pressing
30% or more of effective active area S2, wherein S1 < 9mm2。
Wherein, the interior spacing d between two electrodes of capacitor is not less than the plane where the plane where electrode to touching
Touch the 1/2 of the distance h of plane.
Wherein, the region on the hard material corresponding to effective active area S1 is provided with touch-control mark, the touch-control
Mark is printing, etching, stickup, projection or sign.
Preferably, the electrode is open electrode or enclosed-electrode.When the electrode is open electrode, the electrode
Cross-sectional shape can be rectangle, triangle, polygon or other arbitrary shapes；It is described when the electrode is enclosed-electrode
Electrode can be the ring electrode of round loop electrode, rectangle ring electrode, polygon ring electrode or other arbitrary shapes.
Wherein, when the upper surface of hard material is arranged in electrode, it is thin that the upper surface of the hard material is provided with plastics
Film or insulated paint.
Below with specific embodiment to the relationship between the effective active area of distribution of electrodes and electric field line of the invention
It is introduced in detail.
Embodiment 1
As shown in Figure 1, the capacitance sensor includes first electrode 1, second electrode 2 and third electrode 3, first electricity
Pole 1, second electrode 2 and third electrode 3 are disposed on the same plane, and the first electrode 1 and second electrode 2 form first capacitor
Device C1, the first electrode 1 and third electrode 3 form the second capacitor C2, between the first electrode 1 and second electrode 2
Interior spacing is d1, and the interior spacing between the first electrode 1 and third electrode 3 is d2, the first electrode 1,2 and of second electrode
Plane to the distance for touching plane where third electrode 3 is h1, as shown in Fig. 4,6, the electric field of the first capacitor device C1
Line effective active area is S1, and the electric field line effective active area of the second capacitor C2 is S2,；Wherein, d1, d2, h1,
S1, S2 meet following relationship: h1 > d1 > h1/2, d2 > h1；S2/S1>=5, S1<9mm2, S2 < 200mm2, S1 is contained in S2 '.This reality
It applies in example, when limbs are close to hard material, limbs enter the second capacitor C2's formed by first electrode and third electrode
In electric field line effective active area S2, and the electric field line of the first capacitor device C1 formed by first electrode and second electrode is not entered
When effective active area S1, the capacitance of the second capacitor C2 formed by first electrode and third electrode can from be basically unchanged to
The capacitance for starting the first capacitor device C1 for varying widely, and being formed by first electrode with second electrode remains unchanged substantially
Or vary less, it can be determined that limbs are close at this time；When limbs enter the first capacitor formed by first electrode and second electrode
The electric field line effective active area S1 of device C1 and when pressing lightly on the surface of hard material, by first electrode and second electrode shape
At the capacitance of first capacitor device C1 can be varied widely to since being basically unchanged, while by first electrode and third electricity
The capacitance for the second capacitor C2 that pole is formed can continue to keep large change, be can be determined that at this time as extremity；Work as limbs
When continuing firmly to press hard material surface after contact, limbs can deform, so as to cause between limbs and hard material
Contact area significantly increases, and the capacitance of the first capacitor device C1 formed at this time by first electrode and second electrode can be from larger change
Change to being basically unchanged or varying less, because the contact area between limbs and first electrode and second electrode is basically unchanged, and
The capacitance of the second capacitor C2 formed by first electrode and third electrode will continue to keep varying widely, because of limbs and the
Contact area between two electrodes and third electrode significantly increases, and is determined as the push action of limbs at this time.
Embodiment 2
As shown in Fig. 2, the capacitance sensor includes first electrode 1, second electrode 2 and third electrode 3, first electricity
Pole 1 and third electrode 3 setting on the first plane, the second electrode 2 be arranged in the second plane, 1 He of first electrode
Second electrode 2 forms first capacitor device C1, and the first electrode 1 and third electrode 3 form the second capacitor C2, first electricity
Interior spacing between pole 1 and second electrode 2 is d1, and the interior spacing between the first electrode 1 and third electrode 3 is d2, described
Plane to the distance for touching plane where first electrode 1 and second electrode 2 is h1, the plane where third electrode to touch
The distance of plane is h2, and as shown in Fig. 4,6, the electric field line effective active area of the first capacitor device C1 is S1, described second
The electric field line effective active area of capacitor C2 is S2,；Wherein, d1, d2, h1, S1, S2 meet following relationship: h2 > d1 > h2/2,
D2 > h1, d2 > d1；S2/S1>=5, S1<9mm2, S2 < 200mm2, S1 is contained in S2.In the present embodiment, when limbs are close to hard material
When material, limbs enter in the electric field line effective active area S2 of the second capacitor C2 formed by first electrode and third electrode,
And when not entering the electric field line effective active area S1 of the first capacitor device C1 formed by first electrode and second electrode, by first
Since the capacitance for the second capacitor C2 that electrode is formed with third electrode can vary widely to be basically unchanged, and by
The capacitance for the first capacitor device C1 that one electrode is formed with second electrode remains unchanged or varies less substantially, can be determined that at this time
Limbs are close；When limbs enter the electric field line effective active area of the first capacitor device C1 formed by first electrode and second electrode
S1 and when pressing lightly on the surface of hard material, by the capacitance for the first capacitor device C1 that first electrode and second electrode are formed
The electricity for the second capacitor C2 that can be varied widely to since being basically unchanged, while be formed by first electrode and third electrode
Capacitance can continue to keep large change, be can be determined that at this time as extremity；Continue firmly to press hard material after extremity
When expecting surface, limbs can deform, and significantly increase so as to cause the contact area between limbs and hard material, at this time by the
The capacitance for the first capacitor device C1 that one electrode is formed with second electrode from varying widely to being basically unchanged or can vary less, because
Contact area between limbs and first electrode and second electrode is basically unchanged, and formed by first electrode and third electrode
The capacitance of second capacitor C2 will continue to keep large change, because of the contact between limbs and second electrode and third electrode
Area significantly increases, and is determined as the push action of limbs at this time.
Embodiment 3
As shown in figure 9, the capacitance sensor includes being arranged in first electrode 1, second electrode 2, third electrode 3 and the 4th
Electrode 4, the first electrode 1, second electrode 2, third electrode 3 and the 4th electrode 4 are disposed on the same plane, first electricity
Pole 1 and the 4th electrode 4 form the second capacitor C2, and the second electrode 2 and third electrode 3 form first capacitor device C1, described
Interior spacing between first electrode and the 4th electrode is d2, and the interior spacing between the second electrode and third electrode is d1, institute
Plane to the distance for touching plane where stating first electrode 1, second electrode 2, third electrode 3 and the 4th electrode 4 is h1, such as
Figure 10, shown in 12, the electric field line effective active area of the first capacitor device C1 is S1, the electric field line of the second capacitor C2
Effective active area is S2；Wherein, d1, d2, h1, S1, S2 meet following relationship: h1 > d1 > h1/2, d2 > h1；S2/S1 >=5, S2
<200mm2, S1 < 9mm2, S1 is contained in S2.In the present embodiment, when limbs are close to hard material, limbs enter by first electrode
In the electric field line effective active area S2 of the second capacitor C2 formed with the 4th electrode, and do not enter by second electrode and third
When the range of the electric field line for the first capacitor device C1 that electrode is formed, the second capacitor C2 for being formed by first electrode and the 4th electrode
The capacitance first capacitor device that can vary widely to since being basically unchanged, and be formed by second electrode and third electrode
The capacitance of C1 remains unchanged or varies less substantially, can be determined that limbs are close at this time；When limbs enter by second electrode with
The electric field line effective active area S1 for the first capacitor device C1 that third electrode is formed is interior and presses lightly on the surface of hard material
When, since the capacitance of the first capacitor device C1 formed by second electrode and third electrode larger change can occur be basically unchanged to
The capacitance of the capacitance for the second capacitor C2 for changing, while being formed by first electrode and the 4th electrode can continue to keep larger change
Change, is can be determined that at this time as extremity；When continuing firmly to press hard material surface after extremity, limbs can become
Shape significantly increases so as to cause the contact area between limbs and hard material, at this point, being formed by second electrode and third electrode
The capacitance of first capacitor device C1 from varying widely to being basically unchanged or can vary less, because of limbs and second electrode and the
Contact area between three electrodes is basically unchanged, and the capacitance of the second capacitor C2 formed by first electrode and the 4th electrode
It will continue to keep large change, because the contact area between limbs and first electrode and the 4th electrode significantly increases, sentence at this time
It is set to the push action of limbs.
Embodiment 4
As shown in figure 8, the capacitance sensor includes first electrode 1, second electrode 2, third electrode 3 and the 4th electrode 4,
On the first plane, the second electrode 2 and the setting of third electrode 3 are flat second for the first electrode 1 and the setting of the 4th electrode 4
On face, the first electrode 1 and the 4th electrode 4 form the second capacitor C2, and the second electrode 2 and third electrode 3 form the
One capacitor C1, the interior spacing between the first electrode 1 and the 4th electrode 4 are d2, the second electrode 2 and third electrode 3
Between interior spacing be d1, the plane where the first electrode 1 and the 4th electrode 4 to the distance for touching plane is h1, institute
Plane to the distance for touching plane where stating second electrode 2 and third electrode 3 is h2, as shown in Figure 10,12, described first
The electric field line effective active area of capacitor C1 is S1, and the electric field line effective active area of the second capacitor C2 is S2；Its
In, d1, d2, h1, h2, S1, S2 meet following relationship: h2 > d1 > h2/2, d2 > h1, d2 > d1；S2/S1>=5, S2<200mm2, S1
<9mm2, S1 is contained in S2.In the present embodiment, in the present embodiment, when limbs are close to hard material, limbs enter by the first electricity
In the electric field line effective active area S2 for the second capacitor C2 that pole and the 4th electrode are formed, and do not enter by second electrode and the
When the electric field line effective active area S2 for the first capacitor device C1 that three electrodes are formed, formed by first electrode and the 4th electrode the
Since the capacitance of two capacitor C2 can vary widely to be basically unchanged, and formed by second electrode and third electrode
The capacitance of first capacitor device C1 remains unchanged or varies less substantially, can be determined that limbs are close at this time；When limbs enter by
In the electric field line effective active area S2 for the first capacitor device C1 that second electrode and third electrode are formed and press lightly on hard
When the surface of material, since the capacitance of the first capacitor device C1 formed by second electrode and third electrode can be basically unchanged to
The capacitance of the capacitance for the second capacitor C2 for varying widely, while being formed by first electrode with the 4th electrode can continue
Large change is kept, is can be determined that at this time as extremity；When continuing firmly to press hard material surface after extremity, limb
Cognition deforms, and significantly increases so as to cause the contact area between limbs and hard material, at this point, by second electrode and the
The capacitance for the first capacitor device C1 that three electrodes are formed from varying widely to being basically unchanged or can vary less, because of limbs and the
Contact area between two electrodes and third electrode is basically unchanged, and the second capacitor formed by first electrode and the 4th electrode
The capacitance of C2 will continue to keep large change, because the contact area between limbs and first electrode and the 4th electrode obviously increases
Greatly, it is determined as the push action of limbs at this time.
Embodiment 5
As shown in figure 13, the capacitance sensor include first electrode 1, second electrode 2, third electrode 2, the 4th electrode 4,
5th electrode 5 and the 6th electrode 6, the first electrode 1, second electrode 2, third electrode 3, the 4th electrode 4,5 and of the 5th electrode
6th electrode 6 is disposed on the same plane, and the first electrode 1 and the 6th electrode 6 form third capacitor C3, second electricity
Pole 1 and the 5th electrode 5 form the second capacitor C2, and the third electrode 3 and the 4th electrode 4 form first capacitor device C1；It is described
Interior spacing between first electrode 1 and the 6th electrode 6 is d3, and the interior spacing between the second electrode 2 and the 5th electrode 4 is
D2, the interior spacing between the third electrode 3 and the 4th electrode 4 are d1, the first electrode 1, second electrode 2, third electrode
3, the plane where the 4th electrode 4, the 5th electrode 5 and the 6th electrode 6 to the distance for touching plane is h1, such as Figure 15,17 institutes
Show, the electric field line effective active area of the first capacitor device C1 is S1, the electric field line useful effect of the second capacitor C2
Area is S2, and the electric field line effective active area of the third capacitor C3 is S3；Wherein, d1, d2, h1, S1, S2, S3 meet
Following relationship: h1 > d1 > h1/2, d3 > d2 > d1；S2/S1>2, S3/S2>2, S1<9mm2, S3 < 200mm2, S1 is contained in S2, S2 packet
Contained in S3.In the present embodiment, when limbs are close to hard material, limbs enter the formed by first electrode 1 and the 6th electrode 6
In the electric field line effective active area S1 of three capacitor C3, and the second capacitor formed by second electrode and the 5th electrode is not entered
When the electric field line effective active area S2 of device C2, by the capacitance for the third capacitor C3 that first electrode 1 and the 6th electrode 6 are formed
It can occur significant changes, and the second capacitor C2 and third electrode 3 and the 4th formed by second electrode 2 and the 5th electrode 5
The capacitance for the first capacitor device C1 that electrode 4 is formed remains unchanged or varies less substantially, can be determined that limbs are close at this time；
When limbs enter the second capacitor C2 formed by second electrode 2 and the 5th electrode 5 and by third electrode 3 and the 4th electrode 4
The first capacitor device C1 electric field line effective active area of formation and when pressing lightly on the surface of hard material, by second electrode 2
The the second capacitor C2's formed with the 5th electrode 5 the and first capacitor device C1 formed by third electrode 3 and the 4th electrode 4
Since capacitance can vary widely to be basically unchanged, while the third electricity formed by first electrode 1 and the 6th electrode 6
The capacitance of container C3 can continue to keep large change, be can be determined that at this time as extremity；Continue to exert oneself after extremity
When pressing hard material surface, limbs can deform, and obviously increase so as to cause the contact area between limbs and hard material
Greatly, at this point, the second capacitor C2 for being formed by second electrode 2 and the 5th electrode 5 and by 4 shape of third electrode 3 and the 4th electrode
At the capacitance of first capacitor device C1 from varying widely to being basically unchanged or can vary less, because of limbs and second electrode
2, the contact area between third electrode 3, the 4th electrode 4 and the 5th electrode 5 is basically unchanged, and by first electrode 1 and the 6th electricity
The capacitance for the third capacitor C3 that pole 6 is formed will continue to keep large change, because of limbs and first electrode and the 6th electrode
Between contact area significantly increase, be determined as the push action of limbs at this time.
Embodiment 6
As shown in Figure 18,20, the capacitance sensor includes first electrode 1, second electrode 2 and third electrode 3, and described
One electrode 1, second electrode 2 and third electrode 3 are disposed on the same plane, and the first electrode 1 and second electrode 2 form first
Capacitor C1, the second electrode 2 and third electrode 3 form the second capacitor C2, the first electrode 1 and second electrode 2 it
Between interior spacing be d1, interior spacing between the second electrode 2 and third electrode 3 is d2,1, second electricity of first electrode
Plane to the distance for touching plane where pole 2 and third electrode 3 is h1, as shown in figure 21, the first capacitor device C1's
Electric field line effective active area is S1, and the electric field line effective active area of the second capacitor C2 is S2；Wherein, d1, d2,
H1, S1, S2 meet following relationship: h1>d1=d2>h1/2, S1=S2<9mm2, S1 intersects at S2.In the present embodiment, work as limbs
When close to hard material, limbs enter the electric field line useful effect of the first capacitor device C1 formed by first electrode and second electrode
In area S1, and the electric field line effective active area S2 of the second capacitor C2 formed by second electrode and third electrode is not entered
When, since the capacitance of the first capacitor device C1 formed by first electrode and second electrode larger change can occur be basically unchanged to
Change, and the capacitance of the second capacitor C2 formed by second electrode with third electrode remains unchanged or varies less substantially, this
When can be determined that limbs are close；When the electric field line that limbs enter the second capacitor C2 formed by second electrode with third electrode has
Effect active area S2 and when pressing lightly on the surface of hard material, the second capacitor formed by second electrode and third electrode
Since the capacitance of C2 can vary widely to be basically unchanged, while the first electricity formed by first electrode and second electrode
The capacitance of container C1 can continue to keep large change, be can be determined that at this time as extremity；Continue to exert oneself after extremity
When pressing hard material surface, limbs can deform, and obviously increase so as to cause the contact area between limbs and hard material
Greatly, the capacitance of the second capacitor C2 formed at this time by second electrode and third electrode can from varying widely to being basically unchanged or
It varies less, because the contact area between limbs and second electrode and third electrode is basically unchanged, and by first electrode and the
The capacitance for the first capacitor device C1 that two electrodes are formed will continue to keep large change, because of limbs and first electrode and the second electricity
Contact area between pole significantly increases, and is determined as the push action of limbs at this time.
Embodiment 7
As shown in figure 19, the capacitance sensor includes first electrode 1, second electrode 2 and third electrode 3, and described first
Electrode 1 and third electrode 3 setting on the first plane, the second electrode 2 be arranged in the second plane, the first electrode 1
First capacitor device C1 is formed with second electrode 2, the second electrode 2 and third electrode 3 form the second capacitor C2, and described first
Interior spacing between electrode 1 and second electrode 2 is d1, and the interior spacing between the second electrode 2 and third electrode 3 is d2, institute
Plane to the distance for touching plane where stating first electrode 1 and third electrode 3 is h1, and the plane where second electrode 2 is extremely
The distance for touching plane is h2, and as shown in figure 21, the electric field line effective active area of the first capacitor device C1 is S1, described the
The electric field line effective active area of two capacitor C2 is S2；Wherein, d1, d2, h1, h2, S1, S2 meet following relationship: where
D1, d2, h1, h2, S1, S2 meet following relationship: h2>d1=d2>h1/2, S1=S2<9mm2, S1 intersects at S2.The present embodiment
In, when limbs are close to hard material, limbs enter the electric field of the first capacitor device C1 formed by first electrode and second electrode
In line effective active area S1, and the electric field line for not entering the second capacitor C2 formed by second electrode and third electrode is effective
When active area S2, since the capacitance of the first capacitor device C1 formed by first electrode and second electrode can be basically unchanged to
The capacitance for the second capacitor C2 for varying widely, and being formed by second electrode with third electrode remains unchanged or becomes substantially
Change very little, can be determined that limbs are close at this time；When limbs enter the second capacitor C2 formed by second electrode and third electrode
Electric field line effective active area S2 and when pressing lightly on the surface of hard material, formed by second electrode and third electrode
Since the capacitance of the second capacitor C2 can vary widely to be basically unchanged, while by first electrode and second electrode shape
At first capacitor device C1 capacitance can continue keep large change, can be determined that at this time as extremity；Work as extremity
After when continuing firmly to press hard material surface, limbs can deform, so as to cause the contact between limbs and hard material
Area significantly increases, the capacitance of the second capacitor C2 formed at this time by second electrode and third electrode can from vary widely to
It is basically unchanged or varies less, because the contact area between limbs and first electrode and second electrode is basically unchanged, and by
The capacitance for the first capacitor device C1 that one electrode and second electrode are formed will continue to keep large change, because of limbs and the second electricity
Contact area between pole and third electrode significantly increases, and is determined as the push action of limbs at this time.
Embodiment 8
As shown in figure 22, the capacitance sensor includes setting in first electrode 1, second electrode 2, third electrode 3 and the
Four electrodes 4, the first electrode 1, second electrode 2, third electrode 3 and the 4th electrode 4 are disposed on the same plane, and described first
Electrode 1 and second electrode 2 form first capacitor device C1, and the second electrode 2 and third electrode 3 form the second capacitor C2, institute
Stating the interior spacing between first electrode and second electrode is d1, and the interior spacing between the third electrode and the 4th electrode is d2,
Plane to the distance for touching plane where the first electrode 1, second electrode 2, third electrode 3 and the 4th electrode 4 is h1,
If Figure 25 shows, the electric field line effective active area of the first capacitor device C1 is S1, and the electric field line of the second capacitor C2 has
Effect active area is S2；Wherein, d1, d2, h1, S1, S2 meet following relationship: h1>d1=d2>h1/2, S1=S2<9mm2, S1
Mutually from S2.In the present embodiment, when limbs are close to hard material, limbs enter the formed by first electrode and second electrode
In the electric field line effective active area S1 of one capacitor C1, and the second capacitor formed by third electrode and the 4th electrode is not entered
When the range of the electric field line of device C2, the capacitance of the first capacitor device C1 formed by first electrode and second electrode can be from substantially not
It changes to and starts the capacitance of the second capacitor C2 for varying widely, and being formed by third electrode with the 4th electrode and maintain substantially
It is constant or vary less, it can be determined that limbs are close at this time；When limbs enter second formed by third electrode and the 4th electrode
When in the electric field line effective active area S2 of capacitor C2 and pressing lightly on the surface of hard material, by third electrode and the 4th
Since the capacitance of the second capacitor C2 that electrode is formed can vary widely to be basically unchanged, at the same by first electrode with
The capacitance of the capacitance for the first capacitor device C1 that second electrode is formed can continue to keep large change, be can be determined that at this time as limb
Body contact；When continuing firmly to press hard material surface after extremity, limbs can deform, so as to cause limbs and firmly
Contact area between material significantly increases, at this point, the electricity of the second capacitor C2 formed by third electrode and the 4th electrode
Capacitance from varying widely to being basically unchanged or can vary less, because of the contact surface between limbs and second electrode and third electrode
Product is basically unchanged, and the capacitance of the first capacitor device C1 formed by first electrode and second electrode will continue to keep larger change
Change because the contact area between limbs and first electrode and second electrode significantly increases, be determined as at this time limbs by pressing
Make.
Embodiment 9
As shown in figure 23, the capacitance sensor includes first electrode 1, second electrode 2, third electrode 3 and the 4th electrode
4, on the first plane, the second electrode 2 and third electrode 3 are arranged second for the first electrode 1 and the setting of the 4th electrode 4
In plane, the first electrode 1 and second electrode 2 form first capacitor device C1, the third electrode 3 and the formation of the 4th electrode 4
Second capacitor C2, the interior spacing between the first electrode 1 and second electrode 2 are d1, the third electrode 3 and the 4th electrode
Interior spacing between 4 is d2, and plane to the distance for touching plane where the first electrode 1 and the 4th electrode 4 is h1, institute
Plane to the distance for touching plane where stating second electrode 2 and third electrode 3 is h2, as shown in figure 25, first electricity
The electric field line effective active area of container C1 is S1, and the electric field line effective active area of the second capacitor C2 is S2, S1 phase
From in S2；Wherein, d1, d2, h1, h2, S1, S2 meet following relationship: h2>d1=d2>h1/2, S2=S1<9mm2, S1 phase from
S2.In the present embodiment, when limbs are close to hard material, limbs enter the first capacitor formed by first electrode and second electrode
In the electric field line effective active area S2 of device C1, and do not enter the second capacitor C2's formed by third electrode and the 4th electrode
When electric field line effective active area S2, the capacitance of the first capacitor device C1 formed by first electrode and second electrode can be from basic
It does not change to and starts the capacitance of the second capacitor C2 for varying widely, and being formed by third electrode with the 4th electrode and tie up substantially
It holds constant or varies less, can be determined that limbs are close at this time；When limbs enter the formed by third electrode and the 4th electrode
When in the electric field line effective active area S2 of two capacitor C2 and pressing lightly on the surface of hard material, by third electrode and the
Since the capacitance for the second capacitor C2 that four electrodes are formed can vary widely to be basically unchanged, while by first electrode
With second electrode formed first capacitor device C1 capacitance capacitance can continue keep large change, can be determined that at this time for
Extremity；When continuing firmly to press hard material surface after extremity, limbs can deform, so as to cause limbs with
Contact area between hard material significantly increases, at this point, the second capacitor C2 formed by third electrode and the 4th electrode
Capacitance from varying widely to being basically unchanged or can vary less, because of the contact between limbs and second electrode and third electrode
Area is basically unchanged, and the capacitance of the first capacitor device C1 formed by first electrode and second electrode will continue to keep larger change
Change because the contact area between limbs and first electrode and second electrode significantly increases, be determined as at this time limbs by pressing
Make.
Embodiment 10
As shown in figure 26, the capacitance sensor include first electrode 1, second electrode 2, third electrode 2, the 4th electrode 4,
5th electrode 5 and the 6th electrode 6, the first electrode 1, second electrode 2, third electrode 3, the 4th electrode 4,5 and of the 5th electrode
6th electrode 6 is disposed on the same plane, and the first electrode 1 and second electrode 2 form first capacitor device C1, the third electricity
Pole 3 and the 4th electrode 4 form the second capacitor C2, and the 5th electrode 5 and the 6th electrode 6 form third capacitor C3；It is described
Interior spacing between first electrode 1 and second electrode 2 is d1, and the interior spacing between the third electrode 3 and the 4th electrode 4 is
D2, interior spacing between the 5th electrode 5 and the 6th electrode 6 are d3, the first electrode 1, second electrode 2, third electrode 3, the
Plane to the distance for touching plane where four electrodes 4, the 5th electrode 5 and the 6th electrode 6 is h1, as shown in figure 28, described
The electric field line effective active area of first capacitor device C1 is S1, and the electric field line effective active area of the second capacitor C2 is
The electric field line effective active area of S2, the third capacitor C3 are S3；Wherein, d1, d2, d3, h1, S1, S2, S3 meet as follows
Relationship: h1>d1=d2=d3>h1/2, S1=S2=S3<9mm2, S1 phase is from S2, and S2 phase is from S3.In the present embodiment, work as limb
When body is close to hard material, the electric field line that limbs enter the first capacitor device C1 formed by first electrode 1 and second electrode 2 is effective
In active area S1 or limbs enter the third capacitor C3 that is formed by the 5th electrode 5 and the 6th electrode 6, and do not enter by the
When the electric field line effective active area S2 for the second capacitor C2 that three electrodes and the 4th electrode are formed, by first electrode 1 and second
Significant changes can occur for the capacitance for the first capacitor device C1 that electrode 2 is formed, or formed by the 5th electrode 5 and the 6th electrode 6
Third capacitor C3 and the second capacitor C2 and the 5th electrode 5 that are formed by third electrode 3 and the 4th electrode 4 and the 6th electricity
The capacitance for the third capacitor C3 that pole 6 is formed remains unchanged or varies less substantially, can be determined that limbs are close at this time；When
Limbs enter the second capacitor C2 line area coverage S2 formed by third electrode 3 and the 4th electrode 4 and press lightly on hard
When the surface of material, the second capacitor C2 for being formed by third electrode 3 and the 4th electrode 4 can since be basically unchanged to occur compared with
Big variation, at the same the capacitance of the first capacitor device C1 formed by first electrode 1 and second electrode 2 and by the 5th electrode 5 with
The capacitance for the third capacitor C3 that 6th electrode 6 is formed can continue to keep large change, can be determined that connect for limbs at this time
Touching；When continuing firmly to press hard material surface after extremity, limbs can deform, so as to cause limbs and hard material
Contact area between material significantly increases, at this point, the capacitor of the second capacitor C2 formed by third electrode 3 and the 4th electrode 4
Value from varying widely to being basically unchanged or can vary less, because of the contact between limbs and third electrode 3 and the 4th electrode 4
Area is basically unchanged, and the first capacitor device C1 formed by first electrode 1 and second electrode 2, or by the 5th electrode 5 and the 6th electricity
The capacitance for the third capacitor C3 that pole 6 is formed will continue to keep large change, because of limbs and first electrode and second electrode
Between contact area significantly increase or the contact area between limbs and the 5th electrode and the 6th electrode significantly increases, at this time
It is determined as the push action of limbs.
Preferably, as shown in Figure 1, capacitance sensor includes first electrode 1, second electrode 2 and third electrode 3, the first electricity
Pole 1, second electrode 2 and third electrode 3 are disposed on the same plane, or as shown in Fig. 2, first electrode 1 and third electrode 3 are arranged
On the first plane, second electrode 2 is arranged in the second plane.
It is highly preferred that as shown in figure 3, first electrode 1, second electrode 2 and third electrode 3 are strip electrode；By first
The electric field line effective active area S1 for the first capacitor device C1 that electrode 1 and second electrode 2 are formed and by first electrode 1 and third electricity
The electric field line effective active area S2 for the second capacitor C2 that pole 3 is formed is as shown in Figure 4；Or as shown in figure 5, first electrode 1,
Two electrodes 2 and third electrode 3 are annular electrode；By the electric field for the first capacitor device C1 that first electrode 1 and second electrode 2 are formed
The electric field line useful effect face of line effective active area S1 and the second capacitor C2 formed by first electrode 1 and third electrode 3
Product S2 is as shown in Figure 6.
Preferably, as shown in fig. 7, capacitance sensor includes first electrode 1, second electrode 2, third electrode 3 and the 4th electricity
Pole 4, first electrode 1, second electrode 2, third electrode 3 and the 4th electrode 4 are disposed on the same plane, or as shown in figure 8, first
On the first plane, second electrode 2 and third electrode 3 are arranged in the second plane for electrode 1 and the setting of the 4th electrode 4.
It is highly preferred that as shown in figure 9, first electrode 1, second electrode 2, third electrode 3 and the 4th electrode 4 are bar shaped electricity
Pole；The electric field line effective active area S2 of the second capacitor C2 formed by first electrode 1 and the 4th electrode 4 and by second electrode
2 and third electrode 3 formed first capacitor device C1 electric field line effective active area S1 it is as shown in Figure 10；Or as shown in figure 11,
First electrode 1, second electrode 2, third electrode 3 and the 4th electrode 4 are annular electrode；By 4 shape of first electrode 1 and the 4th electrode
At the second capacitor C2 electric field line effective active area S2 and the first capacitor that is formed by second electrode 2 and third electrode 3
The electric field line effective active area S1 of device C1 is as shown in figure 12.
Preferably, as shown in figure 13, capacitance sensor includes first electrode 1, second electrode 2, the 2, the 4th electricity of third electrode
Pole 4, the 5th electrode 5 and the 6th electrode 6, first electrode 1, second electrode 2, third electrode 3, the 4th electrode 4,5 and of the 5th electrode
6th electrode 6 is disposed on the same plane.
It is highly preferred that as shown in figure 14, first electrode 1, second electrode 2, third electrode 3, the 4th electrode 4, the 5th electrode 5
It is strip electrode with the 6th electrode 6；The electric field line of the third capacitor C3 formed by first electrode 1 and the 6th electrode 6 is effective
Active area S3, the second capacitor C2 formed by second electrode 2 and the 5th electrode 5 electric field line effective active area S2 and by
The electric field line effective active area S1 for the first capacitor device C1 that third electrode 3 and the 4th electrode 4 are formed is as shown in figure 15；Or as schemed
Shown in 16, first electrode 1, second electrode 2, third electrode 3, the 4th electrode 4, the 5th electrode 5 and the 6th electrode 6 are annular electro
Pole；By the electric field line effective active area S3 for the third capacitor C3 that first electrode 1 and the 6th electrode 6 are formed, by second electrode 2
With the electric field line effective active area S2 of the second capacitor C2 of the 5th electrode 5 formation and by 4 shape of third electrode 3 and the 4th electrode
At first capacitor device C1 electric field line effective active area S1 it is as shown in figure 17.
Wherein, the hard material is glass, acrylic, plastics, timber, ceramics or marble etc., and the electrode is item
Shape electrode or enclosed-electrode.
In the present invention, as shown in 29, it is used to form the first electrode 1, second electrode 2, third electrode 2, of capacitance sensing
Four electrodes 4 are arranged between outer layer glass plate 11 and inner layer glass plate 12, are by the way that ito film is arranged or etches on the electrically conductive
The setting of circuit realization electrode.
In the present invention, as represented at 30, be used to form the first electrode 1 of capacitance sensor, second electrode 2, third electrode 2,
The lower surface of the hard materials 13 such as ceramics or acrylic is arranged in 4th electrode 4.When the first electricity for being used to form capacitance sensor
When the lower surface of the opaque materials such as ceramics is arranged in pole 1, second electrode 2, third electrode 2, the 4th electrode 4, first electrode 1,
Any conductive material production pole plate, such as PCB, FPC etc. can be used in second electrode 2, third electrode 2, the 4th electrode 4；When for shape
At the first electrode 1 of capacitance sensor, second electrode 2, third electrode 2, the 4th electrode 4, the transparent materials such as acrylic are set
When lower surface, first electrode 1, second electrode 2, third electrode 2, the 4th electrode 4 then require to make using transparent conductive material, such as
ITO etc..
The present invention also provides a kind of glass, since improvement only relates to that above-mentioned capacitance sensor is arranged on glass,
And other component can be using the technology of comparative maturity in the prior art.So the application no longer to the other component of vehicle into
Row description.
The present invention also provides a kind of automobile, since improvement only relates to the improvement of glass on vehicle, and other component
Using the technology of comparative maturity in the prior art.So the application is no longer described the other component of vehicle.
The present invention also provides a kind of ceramic panel, due to improvement only relate to it is above-mentioned in the setting of the lower surface of ceramic panel
Capacitance sensor, and other component can be using the technology of comparative maturity in the prior art.So the application is no longer to vehicle
Other component is described.
The present invention also provides a kind of acrylic panels, since improvement only relates to be arranged in the lower surface of acrylic panel
Above-mentioned capacitance sensor, and other component can be using the technology of comparative maturity in the prior art.So the application is no longer
The other component of vehicle is described
The present invention also provides a kind of household electrical appliance, the improvement of household electrical appliance top panel is only related in improvement, and other
Component can be using the technology of comparative maturity in the prior art.So the application is no longer described the other component of vehicle.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (13)
1. a kind of capacitance sensor that can identify limb action, it is characterised in that: the capacitance sensor includes at least three electricity
Pole, the electrode form at least two capacitors, and the surface and/or inside of hard material, the capacitor is arranged in the electrode
Sensor can be according to the close of variation degree identification limbs, contact and the push action of the capacitance of the different capacitors；Shape
One of capacitor is at least covered at limbs when being arranged so that contact of at least three electrodes of at least two capacitors
The electric field line effective active area S1 of device；Limbs make the change rate of the capacitance of remaining at least one capacitor arrive energy greatly when pressing
Enough detect.
2. a kind of capacitance sensor that can identify limb action according to claim 1, it is characterised in that: at least three institutes
The setting of electrode is stated, so that limbs at least cover the 90% of the electric field line effective active area S1 of one of capacitor when contact
More than, limbs also cover 30% or more of the electric field line effective active area S2 of remaining at least one capacitor simultaneously when pressing,
Wherein, S1 < 9mm2。
3. a kind of capacitance sensor that can identify limb action according to claim 1 or 2, it is characterised in that: at least one
On the first plane, remaining electrode is arranged in the second plane for a electrode setting.
4. a kind of capacitance sensor that can identify limb action according to claim 1 or 2, it is characterised in that: capacitor
Two electrodes between interior spacing d not less than the plane where the plane where electrode to the 1/2 of the distance h for touching plane.
5. a kind of capacitance sensor that can identify limb action according to claim 1 or 2, it is characterised in that: described hard
Region on material corresponding to effective active area S1 is provided with touch-control mark, and the touch-control mark is printing, etches, is viscous
Patch, projection or sign.
6. a kind of capacitance sensor that can identify limb action according to claim 1 or 2, it is characterised in that: the electricity
Extremely open electrode or enclosed-electrode.
7. a kind of capacitance sensor that can identify limb action according to claim 1 or 2, it is characterised in that: work as electrode
When the upper surface of hard material is arranged in, the upper surface of the hard material is provided with plastic film.
8. a kind of glass, which is characterized in that the upper surface and/or lower surface of glass are provided with described in claim any one of 1-7
Capacitance sensor.
9. a kind of glass, including glass outer plate and inner layer glass plate, which is characterized in that right is arranged between double glazing unit and wants
Seek the described in any item capacitance sensors of 1-7.
10. a kind of automobile, which is characterized in that the automobile includes glass as claimed in claim 8 or 9.
11. a kind of ceramic panel, which is characterized in that the lower surface of the ceramic panel is provided with any one of claim 1-7 institute
The capacitance sensor stated.
12. a kind of acrylic panel, which is characterized in that it is any that the lower surface of the acrylic panel is provided with claim 1-7
Capacitance sensor described in.
13. a kind of household electrical appliance, which is characterized in that the household electrical appliance include glass described in claim 8 or 9 or described
Household electrical appliance include ceramic panel described in claim 11 or the household electrical appliance include sub- gram as claimed in claim 12
Power panel.
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| CN201811412818.9A CN109489697A (en) | 2018-11-23 | 2018-11-23 | A kind of capacitance sensor that can identify limb action |
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| CN201811412818.9A CN109489697A (en) | 2018-11-23 | 2018-11-23 | A kind of capacitance sensor that can identify limb action |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021139352A1 (en) * | 2020-01-08 | 2021-07-15 | 腾讯科技（深圳）有限公司 | Flexible sensing system, proximity sensing method and apparatus, smart robot, and device |
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Inventor after: Sun Tengchen Inventor after: Zhuang Wei Inventor before: Sun Tengchen Inventor before: Zhuang Wei |