CN207557907U - Pressure sensitive module, touching display screen and touch-controlled electronic devices - Google Patents
Pressure sensitive module, touching display screen and touch-controlled electronic devices Download PDFInfo
- Publication number
- CN207557907U CN207557907U CN201721734008.6U CN201721734008U CN207557907U CN 207557907 U CN207557907 U CN 207557907U CN 201721734008 U CN201721734008 U CN 201721734008U CN 207557907 U CN207557907 U CN 207557907U
- Authority
- CN
- China
- Prior art keywords
- resistance
- resistor
- tinsel cord
- pressure sensitive
- support plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920003023 plastic Polymers 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 9
- 150000001925 cycloalkenes Chemical class 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 abstract description 15
- 238000001514 detection method Methods 0.000 description 17
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000001939 inductive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Push-Button Switches (AREA)
- Adjustable Resistors (AREA)
Abstract
The utility model provides a kind of pressure sensitive module, touching display screen and touch-controlled electronic devices, wherein, pressure sensitive module includes：It can deformation support plate；Wheatstone bridge, Wheatstone bridge includes the first resistor, second resistance, 3rd resistor and the 4th resistance that are respectively provided with pressure-sensitive character, first resistor and second resistance are connected in series to form the first series loop, 3rd resistor and the 4th resistance are connected in series to form the second series loop, are connected in parallel between the first series loop and the second series loop；Wherein, the conductive tinsel cord of first resistor and the conductive tinsel cord of 3rd resistor with the first default spacing be set to parallel can the side panel of deformation support plate or the conductive tinsel cord of the conductive tinsel cord of second resistance and the 4th resistance with the second default spacing be set to parallel can deformation support plate side panel.By the technical solution of the utility model, sensitivity and the reliability of pressure sensitive module are improved, reduces failure rate.
Description
Technical field
The utility model is related to film pressure-sensitive touch screen field, in particular to a kind of pressure sensitive module, one kind
Touching display screen and a kind of touch-controlled electronic devices.
Background technology
In the relevant technologies, resistance-type pressure sensitivity component is typically based on Wheatstone bridge principle and realizes touch control detection, such as Fig. 1 institutes
Show, resistance R1, resistance R2, resistance R3 and resistance R4 form four bridge arms of Wheatstone bridge, and power supply E leads to Wheatstone bridge
Electricity accesses potentiometer V between node A and node B.
As shown in Fig. 2, when no pressure presses insulation board 100, by taking R1 as an example, horizontal length L, whenWhen,
Potentiometer output voltage signal is zero.
As shown in figure 3, generate downward pressure when the touching display screen 200 of 102 top of user's finger pressing first resistor
Power F, since the insulation cover plate of touching display screen 200 is bonded setting with first resistor 102, insulation cover plate drives the first electricity
Resistance 102 deforms upon, i.e., horizontal length is increased to L ', and thickness reduces, and resistance value becomes larger, and then causesVoltage at this time
Meter output voltage signal is not zero, and controller is calculated according to voltage signal.
The module of resistance-strain type pressure sensitive at present is typically the principle for applying wheatstone bridge in Wheatstone bridge, because of it only
Quote a bridge arm, so pressure touch sensing sensitivity be not in contrast it is very high, and wheatstone bridge failure when, meeting
It causes the region that can not sense to pressure, influences product quality and user experience.
Utility model content
The utility model is intended at least solve one of technical problem present in the prior art or the relevant technologies.
For this purpose, one of the utility model is designed to provide a kind of pressure sensitive module.
Another of the utility model is designed to provide a kind of touching display screen.
Another of the utility model is designed to provide a kind of touch-controlled electronic devices.
To achieve these goals, the embodiment of first aspect according to the present utility model provides a kind of pressure sensitive
Module, including：It can deformation support plate；Wheatstone bridge, Wheatstone bridge include being respectively provided with the first resistor of pressure-sensitive character, the second electricity
Resistance, 3rd resistor and the 4th resistance, first resistor and second resistance are connected in series to form the first series loop, the 4th resistance and the
Three resistance are connected in series to form the second series loop, and the first series loop and the second series loop are connected in parallel；Wherein, the first electricity
The conductive tinsel cord of resistance and the conductive tinsel cord of 3rd resistor with the first default spacing be set to parallel can deformation support plate side panel,
Or be set to parallel with the second default spacing can deformation support plate for the conductive tinsel cord of second resistance and the conductive tinsel cord of the 4th resistance
Side panel.
In the technical scheme, by the way that the conductive tinsel cord of the conductive tinsel cord of first resistor and 3rd resistor is preset with first
Spacing be arranged on parallel can the side panel of deformation support plate or the conductive tinsel cord of the conductive tinsel cord of second resistance and the 4th resistance with
Second default spacing be arranged on parallel can deformation support plate side panel, be conducive to improve pressure sensitive module sensitivity and can
By property.
Specifically, using the A ends of voltmeter as cathode output end, B ends be cathode output end, the voltage of above-mentioned Wheatstone bridge
It is as follows to export formula：
Wherein, first resistor and 3rd resistor and voltage output amplitude negative correlation, second resistance and the 4th resistance and voltage
Output amplitude is negatively correlated, for example, by first resistor and 3rd resistor be set to parallel can deformation support plate positive side when, when can shape
Become support plate by by positive side towards dorsal surface pressure when, by compression, resistance value reduces for first resistor and 3rd resistor,
Therefore, above-mentioned set-up mode can increase the voltage signal of output, the sensitivity of adherence pressure inductive module.
In the relevant technologies, the resistance value R1 of first resistor, the resistance value R2 of second resistance, the electricity of the resistance value R3 of 3rd resistor and the 4th
The resistance value R4 of resistance is R, and only first resistor is used to sense pressure signal F, it is assumed that first resistor is subtracted by resistance value R1 during compression
It is small to be for 0.5R, output voltage signal U
And after setting the varistor of Wheatstone bridge by the way of the application, two parallel arrangement of varistors are equal
Sensing pressure signal F, it is assumed that the first resistor and 3rd resistor of the first lateral plates are reduced to 0.5R by resistance value during compression,
It is calculated according to pressure output formula, output voltage signal U isNamely in pressure sensitive module by uniform pressure signal F
When, the amplitude of output pressure signal U is increased to 2 times, not only increases detection sensitivity, and tiny signal detection is come
It says, reduces the complexity of filtering process.
Furthermore first resistor and the 3rd resistor fitting of adjacent connection are set on can be in the same lateral plates of deformation support plate or phase
The second resistance of neighbour's connection and the fitting of the 4th resistance are set on can be in the same lateral plates of deformation support plate, first resistor and 3rd resistor meeting
It is acted on simultaneously by power or second resistance and the 4th resistance can while be acted on by power, during user's use, even if
The bridge arm failure of one sensor unit, another bridge arm still can realize touch control detection purpose, so as to protect
Having demonstrate,proved the pressure sensitive module will not be entirely ineffective, and then ensure that product quality, eliminates user in use because of production
The entirely ineffective worry of product, improves user experience.
Specifically, it is assumed that open circuit fault, the open circuit of the first series loop at this time, still, due to third occur for first resistor 102
Resistance 104 is still set on the induction region of pressure signal, and base reference signal isIt is still F such as to sense pressure signal, third
104 resistance value of resistance is reduced to 0.5R, calculates voltage signal and isOutput voltage signal amplitude is
In any of the above-described technical solution, it is preferable that in the conductive tinsel cord of first resistor and the conductive tinsel cord of 3rd resistor
When being set parallel with the first default spacing, the conductive tinsel cord of first resistor and the conductive tinsel cord of 3rd resistor are coiling setting
S-shaped conduction tinsel cord.
It in the technical scheme, can be utmostly by the way that first resistor and 3rd resistor are set as S-shaped conduction tinsel cord
The length of arrangement wire of varistor is improved, since varistor deforms upon mainly length variation, coil the S-shaped of setting
Varistor wire laying mode can improve the voltage signal of output, and then improve detection sensitivity.
In any of the above-described technical solution, it is preferable that in the conductive tinsel cord of second resistance and the conductive tinsel cord of the 4th resistance
When being set parallel with the second default spacing, the conductive tinsel cord of second resistance and the conductive tinsel cord of the 4th resistance are coiling setting
S-shaped conduction tinsel cord.
It in the technical scheme, can be utmostly by the way that second resistance and the 4th resistance are set as S-shaped conduction tinsel cord
The length of arrangement wire of varistor is improved, since varistor deforms upon mainly length variation, coil the S-shaped of setting
Varistor wire laying mode can improve the voltage signal of output, and then improve detection sensitivity.
In any of the above-described technical solution, it is preferable that pressure sensitive module further includes：Ground wire, set on wantonly two it is adjacent and
Between parallel conductive tinsel cord.
In the technical scheme, between by the way that ground wire is set on wantonly two adjacent and parallel conductive tinsel cords, it ensure that ground
It is spaced apart completely between the adjacent and parallel conductive tinsel cord of line, adjacent wires is avoided to generate short circuit, at this point, having in circuit immediately short
Road and signal wire and earth short, and can be come out by the signal detection that ground wire exports, i.e. property-line protection signal line carries
The high stability and accuracy of signal, has achieved the purpose that reduce signal interference, while detectable product in process of production
It is whether short-circuit, product qualification rate is improved, ensures product quality.
In any of the above-described technical solution, it is preferable that the minimum spacing between wantonly two adjacent and parallel conductive tinsel cords
Spacing is preset more than or equal to third.
In the technical scheme, by the way that the minimum spacing between wantonly two adjacent and parallel conductive tinsel cords is set as big
Spacing is preset in or equal to third, short circuit will not be generated between wantonly two conductive tinsel cords so as to ensure that, avoid pressure sensitive mould
Group failure, so as to promote user experience.
Wherein, third presets spacing and could be provided as 10 μm, 20 μm or 50 μm.
In addition, first resistor, second resistance, 3rd resistor and the 4th resistance end be both provided with pin, to transmit
Output signal, so that it is determined that position of touch.
In any of the above-described technical solution, it is preferable that first resistor and second resistance are connected in series to form the first series connection and return
Road, 3rd resistor and the 4th resistance are connected in series to form the second series loop, between the first series loop and the second series loop
It is connected in parallel, varistor wiring layer meets correspondence and includes：
Wherein, R1 is the resistance value of first resistor, and R2 is the resistance value of second resistance, and R3 is the resistance value of 3rd resistor, R4 the
The resistance value of four resistance.
In the technical scheme, it is defined by the resistance value to varistor, ensures first resistor, second resistance, the
Connected between three resistance and the 4th resistance for Wheatstone bridge, so realize pair can on deformation support plate pressure detection.
In any of the above-described technical solution, it is preferable that can deformation support plate carried for ester plastic support plate or cycloolefin plastics
Plate or glass support plate.
In the technical scheme, ester plastic support plate or cycloolefin plastics support plate or glass support plate belong to non-conductive
Optical plastic, by can deformation support plate be set as ester plastic support plate or cycloolefin plastics support plate or glass support plate, can carry
Height can deformation support plate folding resistance, heat-resisting quantity and transparency etc., and then the structure for being conducive to adherence pressure inductive module is reliable
Property.
The technical solution of second aspect according to the present utility model provides a kind of touching display screen, including：It is deformable
Insulation cover plate, the positive side of insulation cover plate are used to detect the touch control operation of user；Further include pressure sensitive module, pressure sensitive mould
Group fitting is set on the dorsal surface of insulation cover plate, and pressure sensitive module determines corresponding touch command according to touch control operation.
In the technical scheme, it is above-mentioned by the dorsal surface fitting setting in insulation cover plate (Cover Glass, abbreviation CG)
Pressure sensitive module (Touch Sensor), improves the accuracy that touching display screen detects touch command, and does not improve
The hardware cost of touching display screen is conducive to batch production and marketing.
Technical solution in terms of third according to the present utility model, provides a kind of touch-controlled electronic devices, including：This reality
With the touching display screen in the technical solution of novel the second aspect, touch-controlled electronic devices are mobile phone, tablet computer, notebook,
One kind in display, television set and wearable smart machine.
The additional aspect and advantage of the utility model will provide in following description section, partly will be from following description
In become apparent or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned or additional aspect and advantage of the utility model are from combining in description of the accompanying drawings below to embodiment by change
It obtains significantly and is readily appreciated that, wherein：
Fig. 1 shows the circuit diagram of Wheatstone bridge；
Fig. 2 shows schematic diagram of the pressure sensitive module in non-stress；
Fig. 3 shows schematic diagram of pressure sensitive module when by pressure；
Fig. 4 shows the structure diagram of the pressure sensitive module of one embodiment according to the present utility model；
Fig. 5 shows the partial enlarged view of the pressure sensitive module of one embodiment according to the present utility model；
Fig. 6 shows the AA ' of pressure sensitive module shown in fig. 5 to sectional view；
Fig. 7 shows the sectional view of the pressure sensitive module of another embodiment according to the present utility model；
Fig. 8 shows the partial enlarged view of the pressure sensitive module of another embodiment according to the present utility model.
Wherein, the correspondence in Fig. 1 to Fig. 8 between reference numeral and component is：
100 can deformation support plate, 102 first resistors, 104 3rd resistors, 106 pins, 108 ground wires, 110 second resistances, 112
4th resistance, 200 touching display screens.
Specific embodiment
In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
Novel to be implemented using other different from other modes described here, therefore, the scope of protection of the utility model is simultaneously
It is not limited by following public specific embodiment.
Embodiment 1
The pressure sensitive module tool of embodiment according to the present utility model is specifically described with reference to Fig. 4 to Fig. 8.
As shown in Fig. 4 to Fig. 8, the pressure sensitive module of embodiment according to the present utility model, including：It can deformation support plate
100；Wheatstone bridge, Wheatstone bridge include being respectively provided with the first resistor 102, second resistance 110,3rd resistor of pressure-sensitive character
104 and the 4th resistance 112, first resistor 102 and second resistance 110 are connected in series to form the first series loop, the 4th resistance 112
The second series loop is connected in series to form with 3rd resistor 104, is connected in parallel between the first series loop and the second series loop；
Wherein, be set to parallel with the first default spacing can shape for the conductive tinsel cord of first resistor 102 and the conductive tinsel cord of 3rd resistor 104
The side panel or the conductive tinsel cord of second resistance 110 and the conductive tinsel cord of the 4th resistance 112 of change support plate 100 are default with second
Spacing be set to parallel can deformation support plate 100 side panel.
In the technical scheme, by by the conductive tinsel cord of the conductive tinsel cord of first resistor 102 and 3rd resistor 104 with
One default spacing is arranged on parallel can the side panel of deformation support plate 100 or the conductive tinsel cord of second resistance 110 and the 4th resistance
112 conductive tinsel cord with the second default spacing be arranged on parallel can deformation support plate 100 side panel, be conducive to improve feeling of stress
Answer sensitivity and the reliability of module, the first default spacing could be provided as 10 μm, 20 μm or 50 μm, and the second default spacing can be with
It is set as 10 μm, 20 μm or 50 μm.
Specifically, using the A ends of voltmeter as cathode output end, B ends be cathode output end, the voltage of above-mentioned Wheatstone bridge
It is as follows to export formula：
Wherein, first resistor 102 and 3rd resistor 104 and voltage output amplitude are negatively correlated, 110 and the 4th electricity of second resistance
Resistance 112 is negatively correlated with voltage output amplitude, for example, can deformation support plate by parallel be set to of first resistor 102 and 3rd resistor 104
During 100 positive side, when can deformation support plate 100 by by positive side towards dorsal surface pressure when, first resistor 102 and third electricity
Resistance 104 is by compression, and resistance value reduces, and therefore, above-mentioned set-up mode can increase the voltage signal of output, adherence pressure
The sensitivity of inductive module.
In the relevant technologies, the resistance value R1 of first resistor 102, the resistance value R2 of second resistance 110,3rd resistor 104 resistance value
The resistance value R4 of R3 and the 4th resistance 112 is R, and only first resistor 102 is for sensing pressure signal F, it is assumed that first resistor 102 by
It is reduced to 0.5R to resistance value R1 during compression, output voltage signal U is
And after setting the varistor of Wheatstone bridge by the way of the application, two parallel arrangement of varistors are equal
Sense pressure signal F, it is assumed that the first resistor 102 and 3rd resistor 104 of the first lateral plates are reduced by resistance value during compression
It for 0.5R, is calculated according to pressure output formula, output voltage signal U isNamely in pressure sensitive module by identical
During pressure signal F, the amplitude of output pressure signal U is increased to 2 times, not only increases detection sensitivity, and for small letter
For number detection, the complexity of filtering process is reduced.
Furthermore first resistor 102 and 3rd resistor 104 fitting of adjacent connection are set on can 100 same side plate of deformation support plate
On face or the fitting of 110 and the 4th resistance 112 of the second resistance of adjacent connection be set on can in 100 same lateral plates of deformation support plate, the
One resistance 102 and 3rd resistor 104 can be acted on simultaneously by power or 110 and the 4th resistance 112 of second resistance can simultaneously by
The effect of power, during user's use, even if the bridge arm failure of a sensor unit, another bridge arm is still
Touch control detection purpose can be so realized, so as to ensure that the pressure sensitive module will not be entirely ineffective, and then ensure that product matter
Amount, eliminates user in use because of the entirely ineffective worry of product, improves user experience.
Specifically, it is assumed that open circuit fault, the open circuit of the first series loop at this time, still, due to third occur for first resistor 102
Resistance 104 is still set on the induction region of pressure signal, and base reference signal isIt is still F such as to sense pressure signal, third
104 resistance value of resistance is reduced to 0.5R, calculates voltage signal and isOutput voltage signal amplitude is
As shown in Figure 5 and Figure 6, in any of the above-described technical solution, it is preferable that first resistor 102 conductive tinsel cord and
When the conductive tinsel cord of 3rd resistor 104 is set parallel with the first default spacing, the conductive tinsel cord and 3rd resistor of first resistor 102
104 conductive tinsel cord is the S-shaped conduction tinsel cord of coiling setting.
It in the technical scheme, can be most by the way that first resistor 102 and 3rd resistor 104 are set as S-shaped conduction tinsel cord
Big degree improves the length of arrangement wire of varistor, since varistor deforms upon mainly length variation, coiling setting
The varistor wire laying mode of S-shaped can improve the voltage signal of output, and then improve detection sensitivity.
It is worth it is emphasized that be set on parallel by first resistor 102 and 3rd resistor 104 can be for deformation support plate, pressure
Quick resistance can form multiple unit detection zone C (as shown in figure 4, being formed with 12 unit detection zone C) on deformation support plate,
And be distributed in the form of an array, the installation position of each unit detection zone C corresponds to the icon mark of touching display screen
Display location.
As shown in fig. 7, in any of the above-described technical solution, it is preferable that in the conductive tinsel cord of second resistance 110 and the 4th electricity
The conductive tinsel cord of resistance 112 is when being set parallel with the second default spacing, the conductive tinsel cord of second resistance 110 and the 4th resistance 112
Conductive tinsel cord is the S-shaped conduction tinsel cord of coiling setting.
It in the technical scheme, can be most by the way that 110 and the 4th resistance 112 of second resistance is set as S-shaped conduction tinsel cord
Big degree improves the length of arrangement wire of varistor, since varistor deforms upon mainly length variation, coiling setting
The varistor wire laying mode of S-shaped can improve the voltage signal of output, and then improve detection sensitivity.
As shown in figure 8, in any of the above-described technical solution, it is preferable that pressure sensitive module further includes：Ground wire 108, is set on
Between wantonly two adjacent and parallel conductive tinsel cords.
In the technical scheme, it between by the way that ground wire 108 is set on wantonly two adjacent and parallel conductive tinsel cords, ensure that
It is spaced apart completely between the adjacent and parallel conductive tinsel cord of ground wire 108, adjacent wires is avoided to generate short circuit, at this point, instant circuit
In have short circuit and signal wire and 108 short circuit of ground wire, and can be come out by the signal detection that ground wire 108 exports, i.e. property-line
108 protection signal lines improve the stability and accuracy of signal, have achieved the purpose that reduce signal interference, while producing
Whether detectable product is short-circuit in the process, improves product qualification rate, ensures product quality.
In any of the above-described technical solution, it is preferable that the minimum spacing between wantonly two adjacent and parallel conductive tinsel cords
Spacing is preset more than or equal to third.
In the technical scheme, by the way that the minimum spacing between wantonly two adjacent and parallel conductive tinsel cords is set as big
Spacing is preset in or equal to third, short circuit will not be generated between wantonly two conductive tinsel cords so as to ensure that, avoid pressure sensitive mould
Group failure, so as to promote user experience.
Wherein, third presets spacing and could be provided as 10 μm, 20 μm or 50 μm.
In addition, the end of first resistor 102, second resistance 110,104 and the 4th resistance 112 of 3rd resistor is both provided with and draws
Foot 106, to transmit output signal, so that it is determined that position of touch.
In any of the above-described technical solution, it is preferable that first resistor 102 and second resistance 110 are connected in series to form first
Series loop, 104 and the 4th resistance 112 of 3rd resistor are connected in series to form the second series loop, the first series loop and second
It is connected in parallel between series loop, varistor wiring layer meets correspondence and includes：
Wherein, R1 is the resistance value of first resistor 102, and R2 is the resistance value of second resistance 110, and R3 is the resistance of 3rd resistor 104
Value, R4 are the resistance value of the 4th resistance 112.
In the technical scheme, it is defined by the resistance value to varistor, ensures first resistor 102, second resistance
110th, it is connected between 104 and the 4th resistance 112 of 3rd resistor for Wheatstone bridge, and then realize pair can institute on deformation support plate 100
It is detected by pressure.
In any of the above-described technical solution, it is preferable that can deformation support plate 100 be ester plastic support plate or cycloolefin plastics
Support plate or glass support plate.
In the technical scheme, ester plastic support plate or cycloolefin plastics support plate or glass support plate belong to non-conductive
Optical plastic, by can deformation support plate 100 be set as ester plastic support plate or cycloolefin plastics support plate or glass support plate, can
Improve can deformation support plate 100 folding resistance, heat-resisting quantity and transparency etc., and then be conducive to the structure of adherence pressure inductive module
Reliability.
Embodiment according to the present utility model provides a kind of touching display screen 200, including：Deformable insulation cover plate,
The positive side of insulation cover plate is used to detect the touch control operation of user；Pressure sensitive module is further included, the fitting of pressure sensitive module is set
In the dorsal surface of insulation cover plate, pressure sensitive module determines corresponding touch command according to touch control operation.
In the technical scheme, it is above-mentioned by the dorsal surface fitting setting in insulation cover plate (Cover Glass, abbreviation CG)
Pressure sensitive module (Touch Sensor), improves the accuracy that touching display screen 200 detects touch command, and does not carry
The hardware cost of high touching display screen 200 is conducive to batch production and marketing.
Embodiment according to the present utility model provides a kind of touch-controlled electronic devices, including：Above-mentioned touching display screen 200,
Touch-controlled electronic devices are one kind in mobile phone, tablet computer, notebook, display, television set and wearable smart machine.
The technical solution of the utility model is described in detail above in association with attached drawing, it is contemplated that the pressure proposed in the relevant technologies
The technical problems such as the sensitivity of inductive module is low and failure rate is high, the utility model proposes a kind of pressure sensitive module and touch-controls
Display screen and touch control display device, by the way that the conductive tinsel cord of the conductive tinsel cord of first resistor and 3rd resistor is preset with first
Spacing be arranged on parallel can the side panel of deformation support plate or the conductive tinsel cord of the conductive tinsel cord of second resistance and the 4th resistance with
Second default spacing be arranged on parallel can deformation support plate side panel, be conducive to improve pressure sensitive module sensitivity and can
By property.
It these are only the preferred embodiment of the utility model, be not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of pressure sensitive module, which is characterized in that
It can deformation support plate；
Wheatstone bridge, the Wheatstone bridge include being respectively provided with the first resistor of pressure-sensitive character, second resistance, 3rd resistor and
4th resistance, the first resistor and the second resistance are connected in series to form the first series loop, the 4th resistance and institute
It states 3rd resistor and is connected in series to form the second series loop, first series loop and the second series loop parallel connection connect
It connects；
Wherein, the conductive tinsel cord of the first resistor and the conductive tinsel cord of the 3rd resistor are set parallel with the first default spacing
In it is described can deformation support plate side panel, conductive tinsel cord and the 4th electricity for pressure detecting or the second resistance
The conductive tinsel cord of resistance with the second default spacing be set to parallel it is described can deformation support plate side panel, for pressure detecting.
2. pressure sensitive module according to claim 1, which is characterized in that
It is set parallel with the described first default spacing in the conductive tinsel cord of the first resistor and the conductive tinsel cord of the 3rd resistor
When putting, the conductive tinsel cord of the first resistor and the conductive tinsel cord of the 3rd resistor are the S-shaped conduction tinsel cord for coiling setting.
3. pressure sensitive module according to claim 1, which is characterized in that
It is set parallel with the described second default spacing in the conductive tinsel cord of the second resistance and the conductive tinsel cord of the 4th resistance
When putting, the conductive tinsel cord of the conductive tinsel cord of the second resistance and the 4th resistance is the S-shaped conduction tinsel cord of coiling setting.
4. pressure sensitive module according to claim 1, which is characterized in that further include：
Ground wire, between the conductive tinsel cord adjacent and parallel set on wantonly two.
5. pressure sensitive module according to claim 1, which is characterized in that
The first default spacing could be provided as 10 μm, 20 μm or 50 μm, the second default spacing could be provided as 10 μm,
20 μm or 50 μm.
6. pressure sensitive module according to claim 1, which is characterized in that
The Wheatstone bridge meets correspondence and includes：
Wherein, the R1 is the resistance value of the first resistor, and the R2 is the resistance value of the second resistance, and the R3 is described the
The resistance value of three resistance, the R4 are the resistance value of the 4th resistance.
7. pressure sensitive module according to any one of claim 1 to 6, which is characterized in that
It is described can deformation support plate be ester plastic support plate or cycloolefin plastics support plate or glass support plate.
8. a kind of touching display screen, which is characterized in that including：
Deformable insulation cover plate, the positive side of the insulation cover plate are used to detect the touch control operation of user；
Pressure sensitive module as described in any one of claim 1 to 7, the pressure sensitive module fitting are set on the insulation
The dorsal surface of cover board, the pressure sensitive module determine corresponding touch command according to the touch control operation.
9. a kind of touch-controlled electronic devices, which is characterized in that including：
Touching display screen as claimed in claim 8.
10. touch-controlled electronic devices according to claim 9, which is characterized in that
The touch-controlled electronic devices are one kind in mobile phone, tablet computer, notebook, display and television set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734008.6U CN207557907U (en) | 2017-12-13 | 2017-12-13 | Pressure sensitive module, touching display screen and touch-controlled electronic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734008.6U CN207557907U (en) | 2017-12-13 | 2017-12-13 | Pressure sensitive module, touching display screen and touch-controlled electronic devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207557907U true CN207557907U (en) | 2018-06-29 |
Family
ID=62662977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721734008.6U Expired - Fee Related CN207557907U (en) | 2017-12-13 | 2017-12-13 | Pressure sensitive module, touching display screen and touch-controlled electronic devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207557907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656428A (en) * | 2018-12-14 | 2019-04-19 | 武汉华星光电半导体显示技术有限公司 | Touch panel |
-
2017
- 2017-12-13 CN CN201721734008.6U patent/CN207557907U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656428A (en) * | 2018-12-14 | 2019-04-19 | 武汉华星光电半导体显示技术有限公司 | Touch panel |
| CN109656428B (en) * | 2018-12-14 | 2020-08-04 | 武汉华星光电半导体显示技术有限公司 | Touch panel |
| US11157125B2 (en) | 2018-12-14 | 2021-10-26 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Touch panel implementing touch and pressure sensing performances and related touch display panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205353968U (en) | Pressure sensing input device | |
| CN205015863U (en) | Touch display device | |
| CN105117058B (en) | A kind of touch panel, touch-control display panel and electronic equipment | |
| US9262008B2 (en) | Method of recognizing touch | |
| TW201709038A (en) | A three-dimensional touch control device | |
| CN204808289U (en) | Touch -sensitive screen and display device | |
| CN104423748A (en) | Touch display device | |
| CN204833200U (en) | Contactor control device | |
| CN102880338A (en) | Touch panel device | |
| CN106873814A (en) | A kind of control method and electronic equipment | |
| CN104407466B (en) | A kind of display base plate, display panel and display device | |
| CN105404430B (en) | 3D pressure-sensitive touch screen, manufacturing method thereof and 3D pressure-sensitive touch implementation method | |
| US10466833B2 (en) | Touch control device comprising pressure-sensing layer and flat touch sensing layer | |
| CN105549245A (en) | Colored film substrate and touch display device | |
| CN207557906U (en) | Pressure sensitive module, touching display screen and touch-controlled electronic devices | |
| CN207557907U (en) | Pressure sensitive module, touching display screen and touch-controlled electronic devices | |
| CN205540655U (en) | Touch screen and touch display device | |
| CN109917941A (en) | Forced induction module, touch-control display screen and touch-control electronic equipment | |
| CN103455195A (en) | Touch panel device | |
| CN106406588A (en) | Touch control display device | |
| CN106855758A (en) | Touch display unit | |
| CN109917948A (en) | Forced induction module, touch-control display screen and touch-control electronic equipment | |
| CN205121509U (en) | Three -dimensional touch devices | |
| CN207557911U (en) | Pressure sensitive module and touching display screen | |
| CN106980400A (en) | Touch-screen and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |