CN107612538A - Touch key-press and its method for waking up screen - Google Patents
Touch key-press and its method for waking up screen Download PDFInfo
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- CN107612538A CN107612538A CN201710724435.4A CN201710724435A CN107612538A CN 107612538 A CN107612538 A CN 107612538A CN 201710724435 A CN201710724435 A CN 201710724435A CN 107612538 A CN107612538 A CN 107612538A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000002618 waking effect Effects 0.000 title abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
A kind of touch key-press, it includes substrate, touch sensible electrode in the substrate, the touch key-press also includes an at least variable capacitance mechanism, the variable capacitance mechanism is located at least side of the touch sensible electrode, and the touch sensible electrode and the variable capacitance mechanism are connected to control chip.Above-mentioned touch key-press is changed by the electric capacity of variable capacitance mechanism can realize the function of waking up screen, and can prevent from operating caused by false touch, and method is simple to operation.
Description
Technical field
The present invention relates to a kind of touch key-press, especially a kind of capacitance type touch key and its method for waking up screen.
Background technology
With the development of science and technology, touch key-press is more and more applied in handheld device, but existing hand-held
Equipment still opens screen using power button, frequently using power key, easily causes the damage of power key, and be not easy to
The use of user.
Therefore, it is necessary to provide a kind of touch key-press, the use for power button is reduced, while improve Consumer's Experience.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of touch key-press and its method for waking up screen, to reduce
The frequent use of power button.
To achieve these goals, the present invention provides a kind of touch key-press, and it includes substrate, touching in the substrate
Induction electrode is touched, the touch key-press also includes an at least variable capacitance mechanism, and the variable capacitance mechanism is located at the touch
At least side of induction electrode, the touch sensible electrode and the variable capacitance mechanism are connected to control chip.
Further, the variable capacitance mechanism includes first electrode and second electrode, and the second electrode is relatively described
First electrode is set, and the first electrode is connected to the control chip.
Further, the first electrode is arranged on substrate, and the relatively described first electrode of the second electrode is set, institute
Stating second electrode can move relative to the first electrode so that the distance between the second electrode and the first electrode occur
Change.
Further, the substrate includes mainboard and flexible part, and the flexible part is bent to the mainboard, relative to described
Mainboard elasticity activity, the first electrode are located at the mainboard of the substrate, and the second electrode is located at the flexible part of the substrate.
Further, a cover plate is oppositely arranged with the substrate, and the first electrode is located at the substrate, second electricity
Pole is arranged on the cover plate, and relatively described first electrode moves up and down.
Further, elastic mechanism or compliant mechanism are provided between the second electrode and the first electrode.
Further, compliant mechanism is provided between the second electrode and the first electrode, the second electrode is located at
On the compliant mechanism.
Further, the first electrode and the second electrode include conductor layer and insulating barrier, and the insulating barrier covers
Cover the conductor layer.
The method that above-mentioned touch key-press wakes up screen：When there is touch objects to press touch key-press, the control chip inspection
The capacitance variations of the variable capacitance mechanism are surveyed, judge that the touch key-press is according to the capacitance variations of the variable capacitance mechanism
It is no to be pressed, if it is determined that the touch key-press is pressed, then wake up screen.
Further, it is described judge whether the touch key-press is pressed method be：Detect the variable capacitance mechanism
Whether the capacitance time that either capacitance variations value or variable capacitance mechanism electric capacity change reaches threshold value, if reaching
Threshold value, then judge that the touch key-press is pressed.
Compared with prior art, touch key-press of the invention can realize the work(for waking up screen by variable capacitance mechanism
Can, and can prevent from operating caused by false touch, method is simple to operation.
Brief description of the drawings
Fig. 1 is the schematic diagram of one embodiment of the invention.
Fig. 2 is the schematic diagram of touch key-press first electrode structure.
Fig. 3 is to change the obtained schematic diagram of embodiment based on Fig. 1 embodiments.
Fig. 4 is the schematic diagram of another embodiment of the present invention.
Fig. 5 is to change the obtained schematic diagram of embodiment based on Fig. 4 embodiments.
Fig. 6 is the schematic diagram of another embodiment of the present invention.
Fig. 7 is the schematic diagram of another touch key-press comprising compliant mechanism of the present invention.
Fig. 8 is the schematic flow sheet that touch key-press realizes the method for waking up screen.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in figs. 1-7, the touch key-press includes substrate 1, the touch sensible electrode 2 in the substrate 1 and can
Become capacitor mechanism 3, the variable capacitance mechanism 3 is located at least side of the touch sensible electrode 2, the touch sensible electrode
2 and the variable capacitance mechanism 3 be electrically connected to control chip（It is not shown）.The induction electrode 2 is used to sense whether user touches
Touch key-press is touched, the variable capacitance mechanism 3 is used to detect whether user presses touch key-press, and the control chip is according to detection
To information react.
The variable capacitance mechanism 3 includes first electrode 30 and second electrode 31, and the first electrode 30 is arranged at substrate 1
On, the relatively described first electrode 30 of the second electrode 31 is set, the second electrode 31 can relatively described first electrode 30 move
It is dynamic so that the distance between described second electrode 31 and the first electrode 30 change.The first electrode 30 and described
Second electrode 31 forms two pole plates of capacitance structure, is situated between the first electrode 30 and the second electrode 31 for insulation
Matter.The first electrode 30 and the second electrode 31 include conductor layer 300 and insulating barrier 301, and the conductor layer 300 is located at
On the substrate 1, the insulating barrier 301 is located in the conductor layer 300.
Touch key-press is further illustrated with reference to different preferred embodiments.
As shown in Figure 1-2, the touch key-press includes substrate 1, the touch sensible electrode 2 on substrate 1 and can power transformation
Hold mechanism 3, the variable capacitance mechanism 3 is located at the side of the touch sensible electrode 2.The substrate 1 includes mainboard 10 and soft
Property portion 11, the flexible part 11 bends to the mainboard 10, relative to the elasticity of mainboard 10 activity.The variable capacitance mechanism
3 include the first electrode 30 on the mainboard 10 and the second electrode 31 positioned at the flexible part 11, the first electrode
30 it is corresponding with the second electrode 31 on the flexible part 11 in the position of the mainboard 10.The first electrode
30 and the second electrode 31 include conductive layer 300 and insulating barrier 301, the conductive layer 300 is layed on the substrate 1,
The insulating barrier 301 is layed on the conductive layer 300.When user presses touch key-press, the quilt of flexible part 11 of the substrate 1
Press, drive the second electrode 31 of the flexible part 11 to be moved towards the first electrode 30, the second electrode 31 and described
The distance between first electrode 30 changes so that the capacitance of the variable capacitance mechanism changes.When user unclamps the touch
During button, the flexible part rebounds be pressed before the distance between position, the second electrode 31 and the first electrode 30
The numerical value also returned to before pressing.
The quantity of the variable capacitance mechanism 3 is not limited to one, as shown in figure 3, the substrate 1 includes mainboard 10 and is located at
Two flexible parts 11 of the homonymy of mainboard 10, each include a second electrode 31, the first electrode on the flexible part 11
30 are arranged at relative to the second electrode 31 on the mainboard 10 of the substrate 1.
The quantity of the flexible part 11 is not limited to two or greater number, and the flexible part 11 is also not necessarily limited to
Positioned at the homonymy of the mainboard 10, the offside of the mainboard 10 can also be located at, any the two of the mainboard 10 can also be located at
Side.When the quantity of flexible part 11 for it is multiple when, the flexible part 11 can be located at any side of the mainboard 10, both sides,
Or more sides.The quantity of second electrode 31 is also not necessarily limited to one or multiple second electrodes 31 on the flexible part 11
In on same flexible part 11.
As shown in figure 4, it is another embodiment of the touch key-press, the touch key-press 10 includes substrate 1, positioned at base
Touch sensible electrode 2 and variable capacitance mechanism 3 on plate 1, the variable capacitance mechanism 3 include first positioned at the substrate 1
Electrode 30 and second electrode (shown in phantom) 31, the second electrode 31 are arranged on cover plate 4 relative to the first electrode 30,
The cover plate 4 is set relative to the substrate 1, and described one end of cover plate 4 is fixed, remainder elasticity activity.It is described tactile when pressing
When touching button, the cover plate 4 can be pressed, and drive the second electrode 31 to be moved towards the first electrode 30, and described second
Electrode 31 can relatively described first electrode about 30 distance change, the electric capacity of the variable capacitance mechanism changes.Work as release
During the touch key-press, the cover plate 4 rebounds, the position returned to before pressing.
The variable capacitance mechanism of the touch key-press can also be multiple, as shown in figure 5, the first electricity of the touch key-press
Pole 30 and second electrode 31 are two, and the first electrode 30 is respectively arranged at the both sides of the touch sensible electrode 2.
The touch key-press is not limited only to said structure, as shown in fig. 6, the second electrode is arranged on cover plate 4, institute
State cover plate 4 to be oppositely arranged with substrate 1, compliant mechanism 32 is provided between the second electrode 31 and the first electrode 30, such as：Rubber
Glue etc..When pressing the touch key-press, the cover plate 4 can be pressed, and cover plate 4 extrudes the compliant mechanism 32, the cover plate 4
The second electrode 31 is driven to be moved towards the first electrode 30, the second electrode 31 can be in relatively described first electrode 30
Lower distance changes, and the electric capacity of the variable capacitance mechanism changes.When unclamping the touch key-press, the compliant mechanism bullet
Return, the position that the cover plate 4 is returned to before pressing.The compliant mechanism 32 can also be replaced by elastic mechanism, such as：Spring etc..
Fig. 7 shows another embodiment for including compliant mechanism 32 of the present invention, the first electrode 30 and second electricity
Pole 31 is separated by compliant mechanism 32, and the second electrode 31 is located on the end face of compliant mechanism 32, presses the touch key-press
When, the compliant mechanism 32 is extruded, and drives the second electrode 31 to be moved to the first electrode 30, the second electrode 31
The distance between described first electrode 30 changes, and then the electric capacity formed changes.When unclamping the touch key-press,
The compliant mechanism 32 rebounds the state before being pressed.
Lower mask body place of matchmakers states touch key-press and realizes the method for waking up screen.As shown in figure 8, touched when there are touch objects to press
When touching button, the second electrode opposite first pole of the touch key-press is subjected to displacement, close to the first electrode so that first
The distance between electrode and second electrode change, and then the electric capacity of the variable capacitance mechanism of the touch key-press becomes
Change, the control chip detects the capacitance variations, judges that the touch key-press is pressed, if it is determined that the touch key-press by by
Pressure, then wake up screen.
The control chip judges that the method that the touch key-press is pressed can be by setting a threshold value, and the threshold value can
To be capacitance threshold value, when the threshold value is capacitance threshold value, judge whether the capacitance of the variable capacitance mechanism reaches threshold value,
Or judge whether the capacitance variations value of the variable capacitance mechanism reaches threshold value, when the capacitance that control chip detects reaches
During threshold value, assert that the touch key-press is pressed.The threshold value can also be time threshold, when the electricity of the variable capacitance mechanism
When the time of appearance change reaches threshold value, judge that the touch key-press is pressed.
Only when touch objects touch touch key-press, the variable capacitance mechanism forms circuit loop by touch objects,
The control chip can detect the electric capacity of the variable capacitance mechanism, and when insulating bodies touches the touch key-press,
The variable capacitance mechanism can not form capacitor loop, and the control chip can not detect the electric capacity of variable capacitance mechanism, because
This, only when touch objects touch the touch key-press, the touch key-press just can make phase according to the corresponding operating of touch objects
The reaction answered, the touch key-press have the function of preventing false touch.
The touch key-press can be applied not only to wake up screen, can be also used for realizing the second operation of touch key-press,
It is a kind of operation such as to touch touch key-press, and pressing touch key-press can realize another operation, and a touch key-press realizes two kinds
Operation, can also reduce the setting of electronic equipment touch key-press.
Claims (10)
1. a kind of touch key-press, it includes substrate, the touch sensible electrode in the substrate, it is characterised in that：It is described to touch
Touching button also includes an at least variable capacitance mechanism, and the variable capacitance mechanism is located at least the one of the touch sensible electrode
Side, the touch sensible electrode and the variable capacitance mechanism are connected to control chip.
2. touch key-press as claimed in claim 1, it is characterised in that：The variable capacitance mechanism includes first electrode and second
Electrode, the relatively described first electrode of the second electrode are set, and the first electrode is connected to the control chip.
3. touch key-press as claimed in claim 2, it is characterised in that：The first electrode is arranged on substrate, and described second
The relatively described first electrode of electrode is set, and the second electrode can move relative to the first electrode so that the second electrode
The distance between described first electrode changes.
4. touch key-press as claimed in claim 2, it is characterised in that：The substrate includes mainboard and flexible part, the flexibility
Portion is bent to the mainboard, and relative to mainboard elasticity activity, the first electrode is located at the mainboard of the substrate, and described the
Two electrodes are located at the flexible part of the substrate.
5. touch key-press as claimed in claim 2, it is characterised in that：One cover plate is oppositely arranged with the substrate, and described first
Electrode is located at the substrate, and the second electrode is arranged on the cover plate, and relatively described first electrode moves up and down.
6. the touch key-press as described in claim 2 or 5, it is characterised in that：Between the second electrode and the first electrode
Provided with elastic mechanism or compliant mechanism.
7. touch key-press as claimed in claim 2, it is characterised in that：It is provided between the second electrode and the first electrode
Compliant mechanism, the second electrode are located on the compliant mechanism.
8. touch key-press as claimed in claim 2, it is characterised in that：The first electrode and the second electrode include leading
Body layer and insulating barrier, the insulating barrier cover the conductor layer.
9. the method that touch key-press as claimed in claim 1 wakes up screen：When there is touch objects to press touch key-press, the control
Coremaking piece detects the capacitance variations of the variable capacitance mechanism, judges described touch according to the capacitance variations of the variable capacitance mechanism
Touch whether button is pressed, if it is determined that the touch key-press is pressed, then wake up screen.
10. the method that touch key-press as claimed in claim 9 wakes up screen, it is characterised in that：It is described to judge that the touch is pressed
The method whether key is pressed is：Detect variable capacitance mechanism capacitance either capacitance variations value or the variable capacitance
Whether the time that mechanism electric capacity changes reaches threshold value, if reaching threshold value, judges that the touch key-press is pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710724435.4A CN107612538A (en) | 2017-08-22 | 2017-08-22 | Touch key-press and its method for waking up screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710724435.4A CN107612538A (en) | 2017-08-22 | 2017-08-22 | Touch key-press and its method for waking up screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107612538A true CN107612538A (en) | 2018-01-19 |
Family
ID=61065683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710724435.4A Pending CN107612538A (en) | 2017-08-22 | 2017-08-22 | Touch key-press and its method for waking up screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN107612538A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932709A (en) * | 2018-09-20 | 2020-03-27 | 上汽通用汽车有限公司 | Capacitive touch switch and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201467098U (en) * | 2009-05-08 | 2010-05-12 | 深圳市汇顶科技有限公司 | Touch-key sensing equipment, electronic device, rainfall amount sensor and vehicle |
| CN102427357A (en) * | 2011-12-07 | 2012-04-25 | 江苏惠通集团有限责任公司 | Capacitor touch key system |
| CN102495681A (en) * | 2011-11-23 | 2012-06-13 | 江苏惠通集团有限责任公司 | Control equipment with touch buttons |
| CN104363012A (en) * | 2014-10-16 | 2015-02-18 | 北京集创北方科技有限公司 | Portable terminal and implementing method for pressing key of side of capacitor type touch screen by touching |
| CN207588830U (en) * | 2017-08-22 | 2018-07-06 | 苏州瀚瑞微电子有限公司 | A kind of touch key-press |
-
2017
- 2017-08-22 CN CN201710724435.4A patent/CN107612538A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201467098U (en) * | 2009-05-08 | 2010-05-12 | 深圳市汇顶科技有限公司 | Touch-key sensing equipment, electronic device, rainfall amount sensor and vehicle |
| CN102495681A (en) * | 2011-11-23 | 2012-06-13 | 江苏惠通集团有限责任公司 | Control equipment with touch buttons |
| CN102427357A (en) * | 2011-12-07 | 2012-04-25 | 江苏惠通集团有限责任公司 | Capacitor touch key system |
| CN104363012A (en) * | 2014-10-16 | 2015-02-18 | 北京集创北方科技有限公司 | Portable terminal and implementing method for pressing key of side of capacitor type touch screen by touching |
| CN207588830U (en) * | 2017-08-22 | 2018-07-06 | 苏州瀚瑞微电子有限公司 | A kind of touch key-press |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110932709A (en) * | 2018-09-20 | 2020-03-27 | 上汽通用汽车有限公司 | Capacitive touch switch and method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180119 |
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| WD01 | Invention patent application deemed withdrawn after publication |