CN205540657U - Pressure sensor, tactile feedback device and relevant device - Google Patents
Pressure sensor, tactile feedback device and relevant device Download PDFInfo
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- CN205540657U CN205540657U CN201620260745.6U CN201620260745U CN205540657U CN 205540657 U CN205540657 U CN 205540657U CN 201620260745 U CN201620260745 U CN 201620260745U CN 205540657 U CN205540657 U CN 205540657U
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Abstract
The utility model discloses a pressure sensor, tactile feedback device and relevant device, in the pressure sensor, include: NULL, pressure detection electrode and pressure detection circuitry are glued to first base plate, second base plate, a frame, wherein seal the frame and glue sealedly and support first base plate and second base plate, can guarantee to insulate each other between time spent pressure detection electrode and the NULL there not being pressure to do, only it does the time spent contact to receive pressure when first base plate and/or second base plate for pressure detection electrode and NULL to guarantee that pressure detection electrode only is stressed at the base plate and do the time spent and just have voltage generation, thereby guarantee that pressure detection circuitry determines the touch -control position through the magnitude of voltage that detects on each pressure detection electrode, realizes a simple structure's pressure sensor.
Description
Technical field
This utility model relates to pressure sensitivity technical field of touch control, espespecially a kind of pressure sensor, haptic feedback devices
And relevant apparatus.
Background technology
Pressure sensitive technology refers to implement external force the technology of detection, and this technology is just transported before for a long time
It is used in the fields such as industry control, medical treatment.Pressure sensor of a great variety, as resistance strain gage pressure sensor,
Semiconductor gauge pressure sensor, pressure resistance type pressure sensor, inductance type pressure sensor, condenser type pressure
Propagated sensation sensor, resonant mode pressure sensor and capacitance acceleration pressure sensor etc..
But the most how the complicated structure of currently used pressure sensor, design a kind of simple in construction
Pressure sensor be that those skilled in the art need badly and solve the technical problem that.
Utility model content
This utility model embodiment provides a kind of pressure sensor, haptic feedback devices and relevant apparatus, in order to
Realize the pressure sensor of a kind of simple in construction.
A kind of pressure sensor that this utility model embodiment provides, including: the first substrate being oppositely arranged and
Second substrate；
It is tightly connected described first substrate and described second substrate edge and supports described first substrate with described
The sealed plastic box of second substrate；
It is positioned at the described first substrate public electrode towards described second substrate side；
It is positioned at the described second substrate multiple separate pressure sensitivity detection electricity towards described first substrate side
Pole；And if only if the pressure applying at least one substrate in described first substrate and described second substrate meets pre-
If during condition, with described pressure sensitivity detecting electrode and the described common electrical of described substrate forced position corresponding position
Pole contacts；
For applying pressure sensitivity detection signal to described public electrode, and by detecting each described pressure sensitivity detecting electrode
On magnitude of voltage judge the pressure sensitivity testing circuit of position of touch.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, described pressure sensitivity detection electricity
The area of the cross section that pole is parallel with described second substrate is along with second substrate described in described cross-sectional distance
The increase of distance and reduce.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, described pressure sensitivity detection electricity
Extremely cone structure or round table-like structure.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, described pressure sensitivity detection electricity
The material of pole is CNT.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, described pressure sensitivity detection electricity
Pole includes the first electrode portion being positioned at described second substrate towards described first substrate side, and is positioned at described
First electrode portion is towards the second electrode portion of described first substrate side；Wherein,
Described first electrode portion covers described second electrode portion described the in the orthographic projection of described second substrate
The orthographic projection of two substrates；
The area of the cross section that described second electrode portion is parallel with described second substrate along with described cross section away from
Reduce from the increase of distance of described second substrate.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, described second electrode portion
For cone structure or round table-like structure.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, described second electrode portion
Material be CNT.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, described public electrode bag
Include the 3rd electrode portion being positioned at described first substrate towards described second substrate side, and be positioned at the described 3rd
Electrode portion towards described second substrate side, and with each described pressure sensitivity detecting electrode the 4th electrode one to one
Portion；Wherein,
Described 3rd electrode portion is planar structure；
The area of the cross section that described 4th electrode portion is parallel with described first substrate along with described cross section away from
Reduce from the increase of distance of described first substrate.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, described 4th electrode portion
For cone structure or round table-like structure.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, described 4th electrode portion
Material be CNT.
It is preferred that this utility model embodiment provide above-mentioned pressure sensor in, described first substrate and
In described second substrate, at least one substrate is flexible base board.
Correspondingly, this utility model embodiment additionally provides a kind of haptic feedback devices, including this utility model
Any of the above-described kind of pressure sensor of embodiment offer and tactile feedback circuit；Wherein,
Described tactile feedback circuit is positioned at described first substrate and deviates from described second substrate side, or is positioned at described
Second substrate deviates from described first substrate side, is used for the instruction according to the terminal unit transmission received to contact
The main body of described tactile feedback circuit produces potential pulse to stimulate；
Described pressure sensor is additionally operable to the position of touch information determined is sent to terminal unit.
Correspondingly, this utility model embodiment additionally provides a kind of glove being applied in virtual reality system,
At least palm of the hand side at described glove includes the above-mentioned haptic feedback devices that this utility model embodiment provides；
Wherein,
First substrate and the second substrate of the described pressure sensor in described haptic feedback devices are flexibility
Substrate；
Described tactile feedback circuit is flexible circuit, and is positioned at the inner side of described glove.
Correspondingly, this utility model embodiment additionally provides a kind of helmet being applied in virtual reality system,
The above-mentioned haptic feedback devices provided including this utility model embodiment；Wherein,
First substrate and the second substrate of the described pressure sensor in described haptic feedback devices are flexibility
Substrate；
Described tactile feedback circuit is flexible circuit, and is positioned at the inner side of the described helmet.
Correspondingly, this utility model embodiment additionally provides a kind of virtual reality system, including terminal unit,
Also include: the above-mentioned glove that this utility model embodiment provides；And/or this utility model embodiment provide upper
State the helmet.
This utility model has the beneficial effect that:
A kind of pressure sensor, haptic feedback devices and the relevant apparatus that this utility model embodiment provides,
In pressure sensor, including: first substrate, second substrate, sealed plastic box, public electrode, pressure sensitivity detection electricity
Pole and pressure sensitivity testing circuit；Wherein sealed plastic box seals and supports first substrate and second substrate, it is ensured that
Mutually insulated between pressure sensitivity detecting electrode and public electrode when not having a pressure effect；Pressure sensitivity detecting electrode is with public
Electrode is only in the contact when first substrate and/or second substrate are under pressure effect, thus ensures pressure sensitivity detection electricity
Pole only just has voltage to produce when substrate is stressed effect, thus ensures that pressure sensitivity testing circuit is by detecting each pressure
Magnitude of voltage on sense detecting electrode judges position of touch, it is achieved the pressure sensor of a kind of simple in construction.
Accompanying drawing explanation
The structural representation of the pressure sensor that Fig. 1 provides for this utility model embodiment one；
Fig. 2 a and Fig. 2 b is respectively the structural representation of the pressure sensor that this utility model embodiment two provides
Figure；
Fig. 3 a and Fig. 3 b is respectively the structural representation of the pressure sensor that this utility model embodiment three provides
Figure；
The structural representation of the pressure sensor that Fig. 4 provides for this utility model embodiment four；
Fig. 5 a and Fig. 5 b is respectively the structural representation of the pressure sensor that this utility model embodiment five provides
Figure；
Fig. 6 a to Fig. 6 d is respectively the preparation method of the pressure sensor that this utility model embodiment six provides and exists
Perform the structural representation after each step；
The structural representation of the haptic feedback devices that Fig. 7 provides for this utility model embodiment seven；
The structural representation of the glove that Fig. 8 provides for this utility model embodiment eight.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing pair
This utility model is described in further detail, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, the common skill in this area
All other embodiments that art personnel are obtained under not making creative work premise, broadly fall into this practicality
Novel protected scope.
In accompanying drawing, the shapes and sizes of each parts do not reflect actual proportions, and it is new that purpose is schematically illustrate practicality
Type content.
A kind of pressure sensor that this utility model embodiment provides, as it is shown in figure 1, include: be oppositely arranged
First substrate 10 and second substrate 20；
It is tightly connected first substrate 10 and second substrate 20 edge and supports first substrate 10 and second substrate
The sealed plastic box 30 of 20；
It is positioned at the first substrate 10 public electrode 11 towards second substrate 20 side；
It is positioned at the second substrate 20 multiple separate pressure sensitivity detecting electrode towards first substrate 10 side
21；Preset and if only if the pressure applying at least one substrate in first substrate 10 and second substrate 20 meets
During condition, contact with public electrode 11 with the pressure sensitivity detecting electrode 21 of this substrate forced position corresponding position；
For applying pressure sensitivity detection signal to public electrode 11, and by detecting on each pressure sensitivity detecting electrode 21
Magnitude of voltage judge the pressure sensitivity testing circuit (not shown in figure 1) of position of touch.
The above-mentioned pressure sensor that this utility model embodiment provides, including: first substrate, second substrate,
Sealed plastic box, public electrode, pressure sensitivity detecting electrode and pressure sensitivity testing circuit；Wherein sealed plastic box seals and supports the
One substrate and second substrate, it is ensured that when there is no pressure effect between pressure sensitivity detecting electrode and public electrode
Mutually insulated；Pressure sensitivity detecting electrode and public electrode are only being under pressure work when first substrate and/or second substrate
Used time contacts, thus ensures that pressure sensitivity detecting electrode only just has voltage to produce when substrate is stressed effect, thus
Ensure that pressure sensitivity testing circuit judges position of touch by detecting the magnitude of voltage on each pressure sensitivity detecting electrode, it is achieved
A kind of pressure sensor of simple in construction.
Below by several specific embodiments, this utility model is illustrated.
Embodiment one:
In the above-mentioned pressure sensor that this utility model embodiment provides, as it is shown in figure 1, pressure sensitivity detection electricity
Pole 21 is column structure.So when first substrate 10 and/or second substrate 20 are under pressure effect, just
Pressure sensitivity detecting electrode 21 and common electrode contact can be made.
Embodiment two:
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, such as Fig. 2 a and Fig. 2 b
Shown in, the area of the cross section that pressure sensitivity detecting electrode 21 is parallel with second substrate 20 is along with this cross-sectional distance
The increase of the distance of second substrate 20 and reduce.I.e. be equivalent to be arranged to by pressure sensitivity detecting electrode " under the thinnest
Structure slightly ", " on " referring to the direction of second substrate, D score refers to the direction near second substrate.
The contact area of pressure sensitivity detecting electrode and second substrate so " the most slightly " can be increased, thus increase adhesion,
" upper thin " is possible not only to alleviate weight, it is also possible to increase the distance between adjacent pressure sensitivity detecting electrode, thus
Avoid interfering with each other.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, as shown in Figure 2 a,
Pressure sensitivity detecting electrode 21 is cone structure, or as shown in Figure 2 b, pressure sensitivity detecting electrode 21 is round table-like knot
Structure.
In the specific implementation, cone structure can be cone-shaped structure, it is also possible to be pyramid-shaped structure, at this
It is not construed as limiting.
It is preferred that in the specific implementation, in the above-mentioned pressure that this utility model embodiment one and embodiment two provide
In propagated sensation sensor, the material of pressure sensitivity detecting electrode is CNT.This is the good conductivity due to CNT,
Technique growth is relatively easy, and size can accomplish micro-meter scale.Certainly the material of pressure sensitivity detecting electrode is also
Can be other conductive material, in this no limit.
Further, in the above-mentioned pressure sensor that this utility model embodiment provides, when pressure sensitivity detection electricity
When the material of pole is CNT, pressure sensitivity detecting electrode can be by ink jet printing device by inkjet printing
Mode is formed, in this no limit.
Embodiment three:
In the above-mentioned pressure sensor that this utility model embodiment provides, as shown in Figure 3 a and Figure 3 b shows, pressure
Sense detecting electrode 21 includes the first electrode portion 211 being positioned at second substrate 20 towards first substrate 10 side,
And it is positioned at the second electrode portion 212 towards first substrate 10 side of the first electrode portion 211；Wherein,
First electrode portion 211 covers the second electrode portion 212 at second substrate in the orthographic projection of second substrate 20
The orthographic projection of 20；
The area of the cross section that the second electrode portion 212 is parallel with second substrate 20 is along with cross-sectional distance second
The increase of the distance of substrate 20 and reduce.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, as shown in Figure 3 a,
Second electrode portion 212 is cone structure, or, as shown in Figure 3 b, the second electrode portion 212 is round table-like knot
Structure.
Further, in the above-mentioned pressure sensor that this utility model embodiment provides, the first electrode portion
Material can be metal, transparent conductive oxide or other conductive material, in this no limit.
Due to the good conductivity of CNT, technique growth is relatively easy, and size can accomplish micron meter
Degree.It is thus preferable to, in the above-mentioned pressure sensor that this utility model embodiment provides, the second electrode
The material in portion 212 is CNT.In the specific implementation, can be beaten by ink-jet by ink jet printing device
The mode of print is formed, it is also possible to form the second electrode by the way of growing CNT in the first electrode portion
Portion, in this no limit.
Further, this utility model embodiment provide above-mentioned pressure sensor in, the first electrode portion and
Second electrode portion can be to use identical material, it is also possible to is to use different materials.
It is preferred that in the pressure sensor that above-described embodiment provides, the first electrode portion adopts with the second electrode portion
With identical material, a patterning processes can be used the most in the preparation the most simultaneously.
Further, in the above-mentioned pressure sensor that this utility model embodiment one to embodiment three provides,
As shown in Fig. 1 to Fig. 3 b, public electrode 11 is planar structure.As long as so pressure sensitivity testing circuit passes through one
Root wire just can apply voltage to public electrode, thus simplifies structure.Certainly, in the specific implementation, also
Public electrode can be cut into polylith, but so not only can increase Mask technique, and can increase and lead
Line.
In the specific implementation, in the above-mentioned pressure sensor that this utility model embodiment provides, public electrode
Material can be metal, transparent conductive oxide or other conductive material, in this no limit.
Embodiment four:
In the specific implementation, in the above-mentioned pressure sensor that this utility model embodiment provides, such as Fig. 4 institute
Showing, public electrode 11 includes the 3rd electrode portion 111 being positioned at first substrate 10 towards second substrate 20 side,
And the 3rd electrode portion 111 that is positioned at is towards second substrate 20 side, and with each pressure sensitivity detecting electrode 21 one by one
The 4th corresponding electrode portion 112；Wherein,
3rd electrode portion 111 is planar structure；
4th electrode portion 112 is column structure.
So when first substrate 10 and/or second substrate 20 are under pressure effect, so that it may so that pressure sensitivity detection
Electrode 21 contacts with the 4th electrode portion 112.
Embodiment five:
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, such as Fig. 5 a and Fig. 5 b
Shown in, the area of the cross section that the 4th electrode portion 112 is parallel with first substrate 10 is along with this cross-sectional distance
The increase of the distance of first substrate 10 and reduce.So it is possible not only to the 4th electrode portion that increases and the 3rd electrode
The contact area in portion, thus increase adhesion, and weight can be alleviated, increase adjacent 4th electrode portion it
Between distance, thus avoid interfering with each other.
It is preferred that in the above-mentioned pressure sensor that this utility model embodiment provides, as shown in Figure 5 a,
4th electrode portion 112 is cone structure, or as shown in Figure 5 b, the 4th electrode portion 112 is round table-like structure.
In the specific implementation, cone structure can be cone-shaped structure, it is also possible to be pyramid-shaped structure, at this
It is not construed as limiting.
Further, in the above-mentioned pressure sensor that this utility model embodiment four and embodiment five provide,
3rd electrode portion can be to use identical material with the 4th electrode portion, it is also possible to is to use different materials.
It is preferred that in the pressure sensor that above-described embodiment provides, the 3rd electrode portion adopts with the 4th electrode portion
With identical material, can use the most in the preparation patterning processes just concurrently form the 3rd electrode portion and
The figure in the 4th electrode portion.
Further, in the above-mentioned pressure sensor that this utility model embodiment provides, the 3rd electrode portion
Material can be metal, transparent conductive oxide or other conductive material, in this no limit.
It is preferred that due to the good conductivity of CNT, technique growth is relatively easy, and size can be done
To micro-meter scale, in the pressure sensor that above-described embodiment provides, the material in the 4th electrode portion can be carbon
Nanotube.
In the specific implementation, when the material in the 4th electrode portion is CNT, the 4th electrode portion can pass through
Ink jet printing device is formed by the way of inkjet printing, it is also possible to receive by growing carbon in the 3rd electrode portion
The mode of mitron is formed, in this no limit.
Further, in the above-mentioned pressure sensor that this utility model embodiment provides, such as Fig. 4 to Fig. 5 b
Shown in, pressure sensitivity detecting electrode 21 is block structure, in this no limit.
In the specific implementation, the above-mentioned pressure sensor provided in this utility model embodiment four and embodiment five
In, the material of pressure sensitivity detecting electrode can be metal, transparent conductive oxide or other conductive material, at this
It is not construed as limiting.
Further, in the above-mentioned pressure sensor that this utility model embodiment provides, first substrate and institute
Stating at least one substrate in second substrate is flexible base board.
In the specific implementation, the above-mentioned pressure sensor that this utility model embodiment provides, pressure sensitivity detecting electrode
On second substrate arranged in arrays.
Specifically, the above-mentioned pressure sensor that this utility model embodiment provides, when pressure sensitivity detecting electrode is square
During battle array arrangement, pressure sensitivity testing circuit gathers the voltage of each pressure sensitivity detecting electrode line by line, and is led to by the voltage of collection
Cross universal input/output (General Purpose Input Output, GPIO) interface and input to microcontroller list
Unit (Microcontroller Unit；MCU), MCU converts analog signals into and is designated as 0, the numeral letter of 1
Number and store in memorizer, according in memorizer storage digital signal just can interpolate that place touch-control position
Put.In the specific implementation, the time owing to resiling after time of pressing effect and material deformation is general
At about 1s, process with therefore to meet the voltage to each interface and store, the frequency configuration of sampling
For more than 10K.
The system of above-mentioned pressure sensor that this utility model embodiment provides is described below by an embodiment
Preparation Method.
Embodiment six:
(1) on first substrate 10, the figure of public electrode is formed, as shown in Figure 6 a；
In the specific implementation, the material of public electrode is indium tin oxide (ITO), copper (Cu) etc..
(2) on second substrate 20, the figure in the first electrode portion 211 is formed, as shown in Figure 6 b；
In the specific implementation, ITO elected as by the material of compensating electrode.
(3) in each first electrode portion 211, the figure in the second electrode portion 212 is formed, as fig. 6 c；
In the specific implementation, the material of pressure sensitivity detecting electrode is CNT, use inkjet printing mode or
Epontic formation.
(4) periphery at second substrate 20 is coated with a circle sealed plastic box 30, as shown in fig 6d；
(5) first substrate 10 and second substrate 20 are carried out box, and to using ultraviolet pair after box
Sealed plastic box carries out cured, thus forms pressure sensor as shown in Figure 3 a.
Below it is only that the preparation method of pressure sensor to one of which structure illustrates, other structure
Method is similar, is not described in detail here.
Embodiment seven:
Conceiving based on same utility model, this utility model embodiment additionally provides a kind of haptic feedback devices
100, as it is shown in fig. 7, comprises tactile feedback circuit 2 and this utility model embodiment provide any of the above-described
Plant pressure sensor 1；Wherein,
Tactile feedback circuit 2 is positioned at first substrate 10 and deviates from second substrate 20 side, or is positioned at second substrate
20 deviate from first substrate 10 side, are used for the instruction according to the terminal unit transmission received to contacting this sense of touch
The main body of feedback circuit produces potential pulse to stimulate；
Pressure sensor 1 is additionally operable to the position of touch information determined is sent to terminal unit.
So terminal unit utilizes pressure sensor to determine the position of human body touch-control, and terminal unit utilizes sense of touch anti-
Current feed circuit carries out potential pulse stimulation to human body, such that it is able to realize man-machine interaction.
Embodiment eight:
Conceiving based on same utility model, this utility model embodiment additionally provides one and is applied to virtual reality
Glove in system, as shown in Figure 8, at least palm of the hand side at glove includes that this utility model embodiment carries
The above-mentioned haptic feedback devices (for specifically illustrating in Fig. 8, be only to illustrate pressure sensitivity detecting electrode 21) of confession；Its
In,
First substrate and the second substrate of the pressure sensor in haptic feedback devices are flexible base board；
Tactile feedback circuit is flexible circuit, and is positioned at the inner side of glove.
So, such as when clenching one's fists as people or carry out other action, pressure sensor can be made to be under pressure work
With, so that pressure sensitivity detecting electrode and common electrode contact, therefore judge five fingers when pressure sensitivity testing circuit
And when all having voltage on the pressure sensitivity detecting electrode on the palm of the hand, illustrate that the action wearing the people of above-mentioned glove is for holding
Fist, when pressure sensitivity testing circuit judges there is voltage on the pressure sensitivity detecting electrode of forefinger articular portion, illustrates forefinger
Bending, therefore may determine that the action sold according to above-mentioned glove.And tactile feedback circuit is arranged on glove
Inner side, tactile feedback circuit according to receive terminal unit instruction produce potential pulse with to human body skin
Stimulate, thus realize man-machine interaction.
Further, in the specific implementation, pressure sensitivity testing circuit can be arranged at glove near wrist location
Place, or it is arranged at the dorsal side of glove.
Embodiment nine:
Conceiving based on same utility model, this utility model embodiment additionally provides one and is applied to virtual reality
The helmet in system, including the above-mentioned haptic feedback devices including that this utility model embodiment provides；Wherein,
First substrate and the second substrate of the pressure sensor in haptic feedback devices are flexible base board；
Tactile feedback circuit is flexible circuit, and is positioned at the inner side of the helmet.
The principle that the concrete helmet realizes man-machine interaction is similar to glove, and therefore not to repeat here.
Embodiment ten:
Conceiving based on same utility model, this utility model embodiment additionally provides a kind of virtual reality system,
Including terminal unit, also include the glove that this utility model embodiment provides；And/or this utility model embodiment
The helmet provided.
Further, in the specific implementation, terminal unit is anti-for the softness haptic perception in haptic feedback devices
Current feed circuit sends instruction, thus softness haptic perception feedback circuit produces potential pulse according to the instruction received to human body
Stimulate；Terminal unit is according to the letter of the position of touch of the pressure sensor feedback in the haptic feedback devices received
Breath determines the action of human body, thus realizes man-machine interaction
A kind of pressure sensor, haptic feedback devices and the relevant apparatus that this utility model embodiment provides,
In pressure sensor, including: first substrate, second substrate, sealed plastic box, public electrode, pressure sensitivity detection electricity
Pole and pressure sensitivity testing circuit；Wherein sealed plastic box seals and supports first substrate and second substrate, it is ensured that
Mutually insulated between pressure sensitivity detecting electrode and public electrode when not having a pressure effect；Pressure sensitivity detecting electrode is with public
Electrode is only in the contact when first substrate and/or second substrate are under pressure effect, thus ensures pressure sensitivity detection electricity
Pole only just has voltage to produce when substrate is stressed effect, thus ensures that pressure sensitivity testing circuit is by detecting each pressure
Magnitude of voltage on sense detecting electrode judges position of touch, it is achieved the pressure sensor of a kind of simple in construction.
Obviously, those skilled in the art this utility model can be carried out various change and modification without deviating from
Spirit and scope of the present utility model.So, if these amendments of the present utility model and modification belong to this reality
Within the scope of novel claim and equivalent technologies thereof, then this utility model is also intended to comprise these changes
With including modification.
Claims (15)
1. a pressure sensor, it is characterised in that including: the first substrate being oppositely arranged and the second base
Plate；
It is tightly connected described first substrate and described second substrate edge and supports described first substrate with described
The sealed plastic box of second substrate；
It is positioned at the described first substrate public electrode towards described second substrate side；
It is positioned at the described second substrate multiple separate pressure sensitivity detection electricity towards described first substrate side
Pole；And if only if the pressure applying at least one substrate in described first substrate and described second substrate meets pre-
If during condition, with described pressure sensitivity detecting electrode and the described common electrical of described substrate forced position corresponding position
Pole contacts；
For applying pressure sensitivity detection signal to described public electrode, and by detecting each described pressure sensitivity detecting electrode
On magnitude of voltage judge the pressure sensitivity testing circuit of position of touch.
2. pressure sensor as claimed in claim 1, it is characterised in that described pressure sensitivity detecting electrode with
The area of the cross section that described second substrate is parallel is along with the distance of second substrate described in described cross-sectional distance
Increase and reduce.
3. pressure sensor as claimed in claim 2, it is characterised in that described pressure sensitivity detecting electrode is
Cone structure or round table-like structure.
4. pressure sensor as claimed in claim 2 or claim 3, it is characterised in that described pressure sensitivity detection electricity
The material of pole is CNT.
5. pressure sensor as claimed in claim 1, it is characterised in that described pressure sensitivity detecting electrode bag
Include the first electrode portion being positioned at described second substrate towards described first substrate side, and be positioned at described first
Electrode portion is towards the second electrode portion of described first substrate side；Wherein,
Described first electrode portion covers described second electrode portion described the in the orthographic projection of described second substrate
The orthographic projection of two substrates；
The area of the cross section that described second electrode portion is parallel with described second substrate along with described cross section away from
Reduce from the increase of distance of described second substrate.
6. pressure sensor as claimed in claim 5, it is characterised in that described second electrode portion is cone
Shape structure or round table-like structure.
7. the pressure sensor as described in claim 5 or 6, it is characterised in that described second electrode portion
Material be CNT.
8. pressure sensor as claimed in claim 1, it is characterised in that described public electrode includes position
In described first substrate towards the 3rd electrode portion of described second substrate side, and it is positioned at described 3rd electrode
Portion towards described second substrate side, and with each described pressure sensitivity detecting electrode the 4th electrode portion one to one；
Wherein,
Described 3rd electrode portion is planar structure；
The area of the cross section that described 4th electrode portion is parallel with described first substrate along with described cross section away from
Reduce from the increase of distance of described first substrate.
9. pressure sensor as claimed in claim 8, it is characterised in that described 4th electrode portion is cone
Shape structure or round table-like structure.
10. pressure sensor as claimed in claim 8 or 9, it is characterised in that described 4th electrode portion
Material be CNT.
11. such as claim 1-3,5,6,8 or 9 pressure sensor as described in any one, it is characterised in that
In described first substrate and described second substrate, at least one substrate is flexible base board.
12. 1 kinds of haptic feedback devices, it is characterised in that include tactile feedback circuit and such as claim 1-11
Pressure sensor described in any one；Wherein,
Described tactile feedback circuit is positioned at described first substrate and deviates from described second substrate side, or is positioned at described
Second substrate deviates from described first substrate side, is used for the instruction according to the terminal unit transmission received to contact
The main body of described tactile feedback circuit produces potential pulse to stimulate；
Described pressure sensor is additionally operable to the position of touch information determined is sent to terminal unit.
13. 1 kinds are applied to the glove in virtual reality system, it is characterised in that at least at described glove
Palm of the hand side includes haptic feedback devices as claimed in claim 12；Wherein,
First substrate and the second substrate of the described pressure sensor in described haptic feedback devices are flexibility
Substrate；
Described tactile feedback circuit is flexible circuit, and is positioned at the inner side of described glove.
14. 1 kinds are applied to the helmet in virtual reality system, it is characterised in that include such as claim 12
Described haptic feedback devices；Wherein,
First substrate and the second substrate of the described pressure sensor in described haptic feedback devices are flexibility
Substrate；
Described tactile feedback circuit is flexible circuit, and is positioned at the inner side of the described helmet.
15. 1 kinds of virtual reality systems, including terminal unit, it is characterised in that also include: as right is wanted
Seek the glove described in 13；And/or the as claimed in claim 14 helmet.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105808009A (en) * | 2016-03-30 | 2016-07-27 | 京东方科技集团股份有限公司 | Pressure-sensitive sensor, touch feedback device and related device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808009A (en) * | 2016-03-30 | 2016-07-27 | 京东方科技集团股份有限公司 | Pressure-sensitive sensor, touch feedback device and related device |
| WO2017166813A1 (en) * | 2016-03-30 | 2017-10-05 | Boe Technology Group Co., Ltd. | Pressure sensor, haptic feedback device and related devices |
| CN105808009B (en) * | 2016-03-30 | 2019-08-13 | 京东方科技集团股份有限公司 | A kind of pressure sensor, haptic feedback devices and relevant apparatus |
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