CN207588830U - A kind of touch key-press - Google Patents
A kind of touch key-press Download PDFInfo
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- CN207588830U CN207588830U CN201721054373.2U CN201721054373U CN207588830U CN 207588830 U CN207588830 U CN 207588830U CN 201721054373 U CN201721054373 U CN 201721054373U CN 207588830 U CN207588830 U CN 207588830U
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- electrode
- press
- touch key
- touch
- substrate
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Abstract
A kind of touch key-press, it includes substrate, touch sensible electrode in the substrate, the touch key-press further includes an at least variable capacitance mechanism, the variable capacitance mechanism is located at 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 can realize the function of waking up screen by the capacitance change of variable capacitance mechanism, and can prevent from operating caused by accidentally touching, and method is simple to operation.
Description
Technical field
The present invention relates to a kind of touch key-press, especially a kind of touch key-press that can realize multiple functions.
Background technology
With the development of science and technology, touch key-press is increasingly used in handheld device, but existing hand-held
Equipment still opens screen using power button, frequently using power key, be easy to cause 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 user experience.
Invention content
The technical problems to be solved by the invention are to provide a kind of touch key-press, to reduce frequently making for power button
With.
To achieve these goals, the present invention provides a kind of touch key-press, including substrate, touching on the substrate
Induction electrode is touched, the touch key-press further 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 set on substrate, the relatively described first electrode setting of the second electrode, institute
Stating second electrode can move relative to the first electrode so that the generation of the distance between the second electrode and the first electrode
Variation.
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 board is oppositely arranged with the substrate, and the first electrode is located at the substrate, second electricity
Pole is set on the cover board, and relatively described first electrode moves up and down.
Further, described cover board one end is fixed, rest part elasticity activity.
Further, elastic mechanism or compliant mechanism also are provided between the second electrode and the first electrode.
Further, compliant mechanism is equipped 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 layer, and the insulating layer covers
Cover the conductor layer.
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 accidentally touching.
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 the schematic diagram of the embodiment changed based on Fig. 1 embodiments.
Fig. 4 is the schematic diagram of another embodiment of the present invention.
Fig. 5 is the schematic diagram of the embodiment changed 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 flow diagram that touch key-press realizes the method for waking up screen.
Specific 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, touch sensible electrode 2 on the substrate 1 and can
Become capacitor mechanism 3, the variable capacitance mechanism 3 is located at 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 for detecting 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 set to 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 the 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 layer 301, and the conductor layer 300 is located at
On the substrate 1, the insulating layer 301 is located in the conductor layer 300.
Touch key-press is further illustrated with reference to different preferred embodiments.
As shown in Figs. 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 10 elasticity activity of mainboard.The variable capacitance mechanism
3 include the first electrode 30 being located 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 layer 301, the conductive layer 300 is layed on the substrate 1,
The insulating layer 301 is layed on the conductive layer 300.When user presses touch key-press, 11 quilt of flexible part of the substrate 1
It presses, the second electrode 31 of the flexible part 11 is driven to be moved towards the first electrode 30, the second electrode 31 and described
The distance between first electrode 30 change so that the capacitance of the variable capacitance mechanism changes.When user unclamps the touch
During button, the flexible part rebounds be pressed before position, the distance between the second electrode 31 and the first electrode 30
Also return to the numerical value 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 10 homonymy of mainboard each include a second electrode 31, the first electrode on the flexible part 11
30 are set to 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, arbitrary the two of the mainboard 10 can also be located at
Side.When 11 quantity of flexible part is multiple, the flexible part 11 can be located at the arbitrary 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
30 and second induction electrode (shown in phantom) 31 of electrode, second induction electrode 31 are set to relative to the first electrode 30
On cover board 4, the cover board 4 is set relative to the substrate 1, and described 4 one end of cover board is fixed, rest part elasticity activity.When by
When pressing the touch key-press, the cover board 4 can be pressed, and the second electrode 31 is driven to be moved towards the first electrode 30,
The second electrode 31 can relatively described first electrode about 30 distance change, the capacitance of the variable capacitance mechanism changes
Become.When unclamping the touch key-press, the cover board 4 rebounds, and returns to the position before pressing.
The variable capacitance mechanism 3 of the touch key-press may be multiple, as shown in figure 5, the first of the touch key-press
Electrode 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 above structure, as shown in fig. 6, the second electrode 31 is set on cover board 4,
The cover board 4 is oppositely arranged with substrate 1, compliant mechanism 32 is equipped between the second electrode 31 and the first electrode 30, such as：
Rubber etc..When pressing the touch key-press, the cover board 4 can be pressed, and cover board 4 squeezes the compliant mechanism 32, the lid
Plate 4 drives the second electrode 31 to be moved towards the first electrode 30, and the second electrode 31 can relatively described first electrode
About 30 distances change, and the capacitance of the variable capacitance mechanism 3 changes.When unclamping the touch key-press, the flexibility
Mechanism 32 rebounds, and the cover board 4 returns to the position before pressing.The compliant mechanism 32 can also be replaced by elastic mechanism, such as：Spring
Deng.
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 32 end face of compliant mechanism, presses the touch key-press
When, the compliant mechanism 32 is extruded, and the second electrode 31 is driven to be moved to the first electrode 30, the second electrode 31
The distance between described first electrode 30 changes, and then the capacitance 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, when there is touch objects pressing to touch
When touching button, 31 opposite first pole 30 of second electrode of the touch key-press is subjected to displacement, and close to the first electrode 30, is made
The distance between first electrode 31 and second electrode 30 is obtained to change, and then the variable capacitance mechanism 3 of the touch key-press
Capacitance changes, and the control chip detects the capacitance variations, judges that the touch key-press is pressed, if it is determined that described touch
It touches button to be pressed, then wakes 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 3 reaches threshold
Value judges whether the capacitance variations value of the variable capacitance mechanism 3 reaches threshold value, when the capacitance that control chip detects
When reaching threshold value, assert that the touch key-press is pressed.The threshold value can also be time threshold, when the variable capacitance mechanism
When the time of 3 capacitance variations reaches threshold value, judge that the touch key-press is pressed.When the touch key-press is pressed, sentence
It is fixed to realize the function of waking up screen.
Only when touch objects touch touch key-press, the variable capacitance mechanism 3 forms circuit loop by touch objects,
The control chip can detect the capacitance of the variable capacitance mechanism 3, and when insulating bodies touches the touch key-press,
The variable capacitance mechanism 3 cannot form capacitor loop, and the control chip can not detect the capacitance of variable capacitance mechanism 3,
Therefore, only when touch objects touch the touch key-press, the touch key-press can just make according to the corresponding operating of touch objects
Corresponding reaction, the touch key-press have the function of to prevent accidentally to touch.
The touch key-press realizes the function of waking up screen by variable capacitance mechanism 3, while also is able to prevent due to accidentally
Touch the maloperation generated.
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 (9)
1. a kind of touch key-press, including substrate, the touch sensible electrode on the substrate, it is characterised in that：It is described to touch
It touches button and further includes an at least variable capacitance mechanism, 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 described in claim 1, it is characterised in that：The variable capacitance mechanism includes first electrode and second
Electrode, the relatively described first electrode setting of the second electrode, the first electrode are connected to the control chip.
3. touch key-press as claimed in claim 2, it is characterised in that：The first electrode is set on substrate, and described second
The relatively described first electrode setting of electrode, the second electrode can be moved 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 board is oppositely arranged with the substrate, and described first
Electrode is located at the substrate, and the second electrode is set on the cover board, and relatively described first electrode moves up and down.
6. touch key-press as claimed in claim 5, it is characterised in that：Described cover board one end is fixed, rest part elasticity activity.
7. the touch key-press as described in claim 2 or 5, it is characterised in that：Between the second electrode and the first electrode
Equipped with elastic mechanism or compliant mechanism.
8. touch key-press as claimed in claim 2, it is characterised in that：It is equipped between the second electrode and the first electrode
Compliant mechanism, the second electrode are located on the compliant mechanism.
9. 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 layer, the insulating layer cover the conductor layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721054373.2U CN207588830U (en) | 2017-08-22 | 2017-08-22 | A kind of touch key-press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721054373.2U CN207588830U (en) | 2017-08-22 | 2017-08-22 | A kind of touch key-press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207588830U true CN207588830U (en) | 2018-07-06 |
Family
ID=62717929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721054373.2U Active CN207588830U (en) | 2017-08-22 | 2017-08-22 | A kind of touch key-press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207588830U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612538A (en) * | 2017-08-22 | 2018-01-19 | 苏州瀚瑞微电子有限公司 | Touch key-press and its method for waking up screen |
| CN111465225A (en) * | 2020-04-16 | 2020-07-28 | 歌尔科技有限公司 | Intelligent wearable device |
| CN112578461A (en) * | 2019-09-30 | 2021-03-30 | 华为技术有限公司 | Key detection device and electronic equipment |
-
2017
- 2017-08-22 CN CN201721054373.2U patent/CN207588830U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612538A (en) * | 2017-08-22 | 2018-01-19 | 苏州瀚瑞微电子有限公司 | Touch key-press and its method for waking up screen |
| CN112578461A (en) * | 2019-09-30 | 2021-03-30 | 华为技术有限公司 | Key detection device and electronic equipment |
| CN111465225A (en) * | 2020-04-16 | 2020-07-28 | 歌尔科技有限公司 | Intelligent wearable device |
| CN111465225B (en) * | 2020-04-16 | 2022-03-15 | 歌尔科技有限公司 | Intelligent wearable device |
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