CN109714475A - A kind of piezoresistive transducer realizes the device and method of new function using new fitting - Google Patents
A kind of piezoresistive transducer realizes the device and method of new function using new fitting Download PDFInfo
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- CN109714475A CN109714475A CN201811550338.9A CN201811550338A CN109714475A CN 109714475 A CN109714475 A CN 109714475A CN 201811550338 A CN201811550338 A CN 201811550338A CN 109714475 A CN109714475 A CN 109714475A
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- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
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- 230000005484 gravity Effects 0.000 description 2
- 239000002648 laminated material Substances 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
Suitable for movable field of terminal technology of the present invention, provide a kind of device that piezoresistive transducer uses new fitting to realize new function, the first piezoresistive transducer including being fitted in the back side of mobile terminal, and it is fitted in the second piezoresistive transducer of the side of mobile terminal, pressing force and the second piezoresistance sensor when being used to detect user's the first piezoresistive transducer of pressing by the first piezoresistance sensor are used to detect the pressure that user holds mobile terminal；First piezoresistive transducer is connected with analog-digital converter, and the second piezoresistive transducer is also connect with analog-digital converter；Analog-digital converter is connected with microprocessor, the multiple digital quantities of the first piezoresistive transducer and the second piezoresistive transducer under different conditions for being exported according to analog-digital converter, in such a way that multiple digital quantities calculate pressing and grip state, and then corresponding operation is executed according to pressing mode, to enrich the manipulation function of mobile terminal, the manipulation efficiency of user is improved.
Description
Technical field
The invention belongs to technical field of mobile terminals more particularly to a kind of piezoresistive transducer to realize new function using new fitting
The device and method of energy.
Background technique
Piezoresistive transducer is only fitted in screen top or the side frame of mobile terminal in mobile terminal application field
Pressing operation, touch operation, the functions such as shortcut key are realized in upper use；And the piezoresistive transducer above mobile phone screen is designed,
Both resistive touch screen, user can block screen in pressing operation, could continue to watch the part that is blocked after the completion of operation
Content, use is extremely inconvenient, seriously affects working efficiency, is no longer satisfied the use demand of people.
Summary of the invention
The purpose of the present invention is to provide a kind of piezoresistive transducers to use the new device and method for being bonded realization new function,
It aims to solve the problem that since existing piezoresistive transducer use has a single function, can not efficiently manipulate mobile terminal.
On the one hand, the present invention provides a kind of piezoresistive transducers realizes the device of new function using new fitting, including pastes
The first piezoresistive transducer at the back side of mobile terminal is closed, and is fitted in the second pressure resistance type of the side of the mobile terminal
Sensor, which is characterized in that first piezoresistance sensor is used to detect when user presses first piezoresistive transducer
Pressing force, second piezoresistance sensor is for detecting the pressure that the user holds the mobile terminal；First pressure drag
Formula sensor is connected with analog-digital converter, and second piezoresistive transducer is also connect with the analog-digital converter；The modulus
Converter is connected with microprocessor, first piezoresistive transducer for being exported according to the analog-digital converter and described
Multiple digital quantities of second piezoresistive transducer under different conditions, in such a way that multiple digital quantities calculate pressing and gripping
State, and then corresponding operation is executed according to the pressing mode.
Preferably, first piezoresistive transducer and second piezoresistive transducer are resistive touch screen or capacitor
Formula touch screen.
Preferably, multiple second piezoresistive transducers can also be set on the mobile terminal, it is described for detecting
The grip state at multiple positions of mobile terminal；Multiple first pressure drags also can be set in the back of the mobile terminal
Formula sensor.
Preferably, the pressing mode includes pressing and sliding；The grip state be the mobile terminal whether by with
Family is held.
On the other hand, new function is realized using new fitting based on above-mentioned piezoresistive transducer the present invention provides a kind of
The measuring circuit of device, including first resistor, second resistance, 3rd resistor and the 4th resistance, wherein the first resistor
The anode of first termination power, the second end of the first resistor are connect with the first end of the second resistance, second electricity
The second end of resistance connect with the first end of the 3rd resistor and connect with the cathode of the power supply, and the second of the 3rd resistor
End is connect with the first end of the 4th resistance, and the second end of the 4th resistance is connect with the first end of the first resistor；
The first resistor and the 3rd resistor are the resistance of fixed resistance value, and the second resistance and the 4th resistance are resistance
The first end of the variable piezoresistive transducer of value, the first end of the second resistance and the 4th resistance with the modulus
The Differential Input port of converter connects.
On the other hand, new function is realized using new fitting based on above-mentioned piezoresistive transducer the present invention provides a kind of
The method of device, wherein include:
User, which is detected, by first piezoresistance sensor at the mobile terminal back side presses the first pressure drag sensing
The pressing mode of device；
Corresponding operation is executed according to the pressing mode.
Preferably, the pressing mode includes pressing and sliding.
It is further preferred that presetting corresponding with the pressing mode suffered by first piezoresistance sensor
Terminal operation.
It is further preferred that being detected described in user's pressing by first piezoresistance sensor at the mobile terminal back side
Before the step of pressing mode of first piezoresistance sensor further include:
The grip state of the mobile terminal, institute are detected by second piezoresistance sensor of the mobile terminal side
It states grip state and is whether the mobile terminal is held by the user.
Preferably, when the mobile terminal is held by the user, starting first piezoresistance sensor, detection user is pressed
Press the pressing mode of first piezoresistance sensor.
Piezoresistive transducer provided by the invention realizes the device of new function using new fitting, including is fitted in mobile terminal
The back side the first piezoresistive transducer, and be fitted in the second piezoresistive transducer of the side of mobile terminal, pass through first
Pressing force and the second piezoresistance sensor when piezoresistance sensor is used to detect user's the first piezoresistive transducer of pressing are used to examine
Survey the pressure that user holds mobile terminal；First piezoresistive transducer is connected with analog-digital converter, the second piezoresistive transducer
It is connect with analog-digital converter；Analog-digital converter is connected with microprocessor, the first pressure resistance type for being exported according to analog-digital converter
The multiple digital quantities of sensor and the second piezoresistive transducer under different conditions, calculate pressing side using multiple digital quantities
Formula and grip state, and then corresponding operation is executed according to pressing mode, to enrich the manipulation function of mobile terminal, mention
The high manipulation efficiency of user.
Detailed description of the invention
Fig. 1 is the structure for the device that the piezoresistive transducer that the embodiment of the present invention one provides realizes new function using new fitting
Schematic diagram；
Fig. 2 is the topology example figure for the mobile terminal that the embodiment of the present invention one provides；
Fig. 3 is the measurement for the device that piezoresistive transducer provided by Embodiment 2 of the present invention realizes new function using new fitting
The circuit diagram of circuit；
Fig. 4 is that being used based on piezoresistive transducer in embodiment one for the offer of the embodiment of the present invention three is newly bonded the new function of realization
The method implementation flow chart of the device of energy.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific implementation of the invention is described in detail below in conjunction with specific embodiment:
Embodiment one:
The piezoresistive transducer that Fig. 1 shows the offer of the embodiment of the present invention one uses the new device for being bonded realization new function
Structure, for ease of description, only parts related to embodiments of the present invention are shown.
The embodiment of the present invention provides the piezoresistive transducer that supplies using the device of new fitting realization new function, including is fitted in
First piezoresistive transducer 1 at the back side of mobile terminal 10, and it is fitted in the second pressure resistance type biography of the side of mobile terminal 10
Sensor 2, wherein the first piezoresistance sensor 1 is used to detect pressing force when user presses the first piezoresistive transducer 1, the second pressure
Resistance sensor 2 is used to detect the pressure that user holds mobile terminal 10；First piezoresistive transducer 1 is connected with analog-digital converter 3,
Second piezoresistive transducer 2 is also connect with analog-digital converter 3；Analog-digital converter 3 is connected with microprocessor 4, for according to modulus
Multiple digital quantities of the first piezoresistive transducer 1 and the second piezoresistive transducer 2 that converter 3 exports under different conditions,
In such a way that multiple digital quantities calculate pressing and grip state, and then corresponding operation is executed according to pressing mode.
Preferably, the first piezoresistive transducer 1 and the second piezoresistive transducer 2 are resistive touch screen, use resistance-type
Touch screen is not limited by laminated material, does not also need finger and directly contacts, it is only necessary to have pressure deformation, so that it may be realized each
The operations such as kind pressing, flicking are pressed again, 1024 stage pressure gravity identify, sliding, greatly facilitate operational and laminated material choosing
Select unrestricted property and property convenient for production；Or different use demands is adapted to using capacitive touch screen.
Preferably, multiple second piezoresistive transducers 2 can also be set on mobile terminal 10, for detecting mobile terminal
The grip state at multiple positions, for example, multiple second piezoresistive transducers can be set for the mobile phone of small size in hand
Machine left and right sides just start the first piezoresistive transducer when the piezoresistive transducer of left and right sides is pressed, are examined
Survey the pressing mode of user.
Preferably, pressing mode includes pressing and sliding, for example, press, flicking again, long-pressing is clicked, and double-clicks, singly refers to sliding,
Refer to sliding more, refers to the modes such as pressing more；Grip state is whether mobile terminal is held by a user.
The topology example figure of mobile terminal 100 as shown in Figure 2, the top half black rectangle region 110 in Fig. 2 are patch
In the region that the first piezoresistive transducer 1 of gravity pressing or the sliding of the back portion of mobile terminal 100 is pasted, this fitting position
The material set, completely compatible all various different materials, such as metal decking, glass panel, ceramic panel any materials back,
It greatly simplifies and facilitates mobile phone material compatibility and produce property easy for installation.According to specific actual items demand, area can choose
The whole region of the different region of domain size or partial region or back, or mobile phone back top half or under
Half part etc. is not limited to region mentioned herein, any region etc. including 100 back of mobile terminal；It can choose stickup
The different sensor of quantity or the different sensor of shape size can be big with back bonding area if sliding distance is longer
It is some；Increase several sensors more, it is carefully some etc. that density can be slided.Lower right corner black rectangle region 220 and the lower left corner
Black rectangle region 222 is the region that the second piezoresistive transducer 2 is pasted, and is to realize the functions such as gripping and design, pressure drag
Formula sensor size and number are unrestricted, are modified according to specific actual items.
Design the second piezoresistive transducer 2 to increase the function of holding, to realize back part pressing and sliding, algorithmically
Increase miscellaneous function, after having gripping, further the pressing and sliding of detection identification back part, further increase back part
It presses the precision of sliding and reduces maloperation and False Rate.
Embodiment two:
Fig. 3 shows piezoresistive transducer provided by Embodiment 2 of the present invention and uses the new device for being bonded realization new function
The circuit theory of measuring circuit, for ease of description, only parts related to embodiments of the present invention are shown.
Measuring circuit 30 provided in an embodiment of the present invention, including first resistor R1, second resistance R2,3rd resistor R3 with
And the 4th resistance R4, which is characterized in that the anode of the first termination power of first resistor R1, the second end of first resistor R1 and the
The first end of two resistance R2 connects, and the second end of second resistance R2 is connect with the first end of 3rd resistor R3 and the cathode with power supply
Connection, the second end of 3rd resistor R3 are connect with the first end of the 4th resistance R4, the second end and first resistor of the 4th resistance R4
The first end of R1 connects；First resistor R1 and 3rd resistor R3 is the resistance of fixed resistance value, second resistance R2 and the 4th resistance
R4 is the variable piezoresistive transducer of resistance value, and the first end of the first end of second resistance R2 and the 4th resistance R4 are and modulus
The Differential Input port of converter connects.
When there is pressing deformation, the resistance value of piezoresistive transducer R2 and R4 can generate variation, according to Wheatstone bridge
Equilibrium equation, it is another diagonal caused by R2 and R4 resistance change using the resistance value of known R1, R3 and the voltage difference at both ends
Line both ends Vo+ and the variation of Vo- voltage difference, detect this variation by analog-digital converter, so that it may detect pressing deformation quantity, it is real
Existing pressure detecting function.
Embodiment three:
Fig. 4 shows realizing based on piezoresistive transducer in embodiment one using new fitting for the offer of the embodiment of the present invention three
The implementation process of the method for the device of new function, for ease of description, only parts related to embodiments of the present invention are shown, in detail
It states as follows:
In step S401, the grip state of mobile terminal is detected by the second piezoresistance sensor of mobile terminal side,
Grip state is whether mobile terminal is held by a user.
Mobile terminal of the embodiment of the present invention suitable for embodiment one, the mobile terminal can be mobile phone or plate electricity
Brain, the mobile terminal provided include the first piezoresistive transducer for being fitted in the back side of mobile terminal, and are fitted in mobile whole
Second piezoresistive transducer of the side at end presses the first piezoresistive transducer for detecting user by the first piezoresistance sensor
When pressing force and the second piezoresistance sensor be used for detect user hold mobile terminal pressure；First piezoresistive transducer
It is connected with analog-digital converter, the second piezoresistive transducer is also connect with analog-digital converter；Analog-digital converter is connected with microprocessor,
The first piezoresistive transducer and the second piezoresistive transducer for being exported according to analog-digital converter is more under different conditions
A digital quantity, in such a way that multiple digital quantities calculate pressing and grip state, grip state be mobile terminal whether by with
Family is held, and only when mobile terminal is held by a user, just the second piezoresistance sensor of starting detects the pressing mode of user, Jin Ergen
Corresponding operation is executed according to pressing mode, to enrich the manipulation function of mobile terminal, improves the manipulation efficiency of user.
In step S402, when mobile terminal is held by a user, the first piezoresistance sensor of starting, detection user presses first
The pressing mode of piezoresistance sensor.
In example in real time of the invention, user is detected by first piezoresistance sensor at the mobile terminal back side and presses the first pressure drag
The pressing mode of sensor；Pressing mode includes pressing and sliding, for example, press, flicking again, long-pressing is clicked, and double-clicks, singly refers to cunning
It is dynamic, refer to sliding more, refers to the modes such as pressing more.
In step S403, corresponding operation is executed according to pressing mode.
In example in real time of the invention, terminal corresponding with pressing mode suffered by the first piezoresistance sensor is preset
Operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of piezoresistive transducer realizes the device of new function using new fitting, the of the back side including being fitted in mobile terminal
One piezoresistive transducer, and it is fitted in the second piezoresistive transducer of the side of the mobile terminal, which is characterized in that it is described
First piezoresistance sensor is used to detect pressing force when user presses first piezoresistive transducer, the second pressure drag sensing
Device is for detecting the pressure that the user holds the mobile terminal；First piezoresistive transducer is connected with analog-to-digital conversion
Device, second piezoresistive transducer are also connect with the analog-digital converter；The analog-digital converter is connected with microprocessor, uses
In first piezoresistive transducer and second piezoresistive transducer exported according to the analog-digital converter in difference
Multiple digital quantities under state, in such a way that multiple digital quantities calculate pressing and grip state, and then according to the pressing
Mode executes corresponding operation.
2. the device that piezoresistive transducer as described in claim 1 realizes new function using new fitting, which is characterized in that described
First piezoresistive transducer and second piezoresistive transducer are resistive touch screen or capacitive touch screen.
3. the device that piezoresistive transducer as described in claim 1 realizes new function using new fitting, which is characterized in that described
Multiple second piezoresistive transducers can also be set on mobile terminal, for detecting multiple positions of the mobile terminal
The grip state；Multiple first piezoresistive transducers also can be set in the back of the mobile terminal.
4. the device that piezoresistive transducer as described in claim 1 realizes new function using new fitting, which is characterized in that described
Pressing mode includes pressing and sliding；The grip state is whether the mobile terminal is held by a user.
5. a kind of measuring circuit realizes new function using new fitting based on any piezoresistive transducer of claim 1-4
Device, including first resistor, second resistance, 3rd resistor and the 4th resistance, which is characterized in that the of the first resistor
The anode of one termination power, the second end of the first resistor are connect with the first end of the second resistance, the second resistance
Second end connect with the first end of the 3rd resistor and connect with the cathode of the power supply, the second end of the 3rd resistor
It is connect with the first end of the 4th resistance, the second end of the 4th resistance is connect with the first end of the first resistor；Institute
It states first resistor and the 3rd resistor is the resistance of fixed resistance value, the second resistance and the 4th resistance are resistance value
The first end of variable piezoresistive transducer, the first end of the second resistance and the 4th resistance turns with the modulus
The Differential Input port of parallel operation connects.
6. a kind of method that piezoresistive transducer realizes new function using new fitting, based on any pressure of claim 1-4
Resistive sensor realizes the device of new function using new fitting characterized by comprising
User, which is detected, by first piezoresistance sensor at the mobile terminal back side presses first piezoresistance sensor
Pressing mode；
Corresponding operation is executed according to the pressing mode.
7. the method that piezoresistive transducer as claimed in claim 6 realizes new function using new fitting, which is characterized in that described
Pressing mode includes pressing and sliding.
8. the method that piezoresistive transducer as claimed in claim 6 realizes new function using new fitting, which is characterized in that packet
It includes:
Preset terminal operation corresponding with the pressing mode suffered by first piezoresistance sensor.
9. the method that piezoresistive transducer as claimed in claim 6 realizes new function using new fitting, which is characterized in that pass through
First piezoresistance sensor detection user at the mobile terminal back side presses the pressing mode of first piezoresistance sensor
The step of before further include:
The grip state of the mobile terminal is detected by second piezoresistance sensor of the mobile terminal side, it is described to hold
It holds state and is whether the mobile terminal is held by the user.
10. the method that piezoresistive transducer as claimed in claim 9 realizes new function using new fitting, which is characterized in that packet
It includes:
When the mobile terminal is held by the user, starting first piezoresistance sensor, detection user presses described first
The pressing mode of piezoresistance sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811550338.9A CN109714475A (en) | 2018-12-18 | 2018-12-18 | A kind of piezoresistive transducer realizes the device and method of new function using new fitting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811550338.9A CN109714475A (en) | 2018-12-18 | 2018-12-18 | A kind of piezoresistive transducer realizes the device and method of new function using new fitting |
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| CN109714475A true CN109714475A (en) | 2019-05-03 |
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Cited By (2)
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| CN111736723A (en) * | 2020-06-02 | 2020-10-02 | 芯海科技（深圳）股份有限公司 | A terminal device, a pressure touch method, and a computer-readable storage medium |
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Application publication date: 20190503 |