CN104836563B - A kind of button, a kind of terminal device and the method for determining key stroke - Google Patents
A kind of button, a kind of terminal device and the method for determining key stroke Download PDFInfo
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- CN104836563B CN104836563B CN201510206241.6A CN201510206241A CN104836563B CN 104836563 B CN104836563 B CN 104836563B CN 201510206241 A CN201510206241 A CN 201510206241A CN 104836563 B CN104836563 B CN 104836563B
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- induction
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000006698 induction Effects 0.000 claims abstract description 92
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 85
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 229960001866 silicon dioxide Drugs 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 206010054949 Metaplasia Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000015689 metaplastic ossification Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Input From Keyboards Or The Like (AREA)
Abstract
The invention discloses a kind of button, a kind of terminal device and the methods for determining key stroke, are related to technical field of key, to be conducive to the assembling production of button.Button includes：Keycap, connection unit incude pedestal, capacitance signal processing unit；The keycap is connect by the connection unit with the induction pedestal, and the capacitance signal processing unit is arranged on the induction pedestal；When button is pressed, the capacitance variations of the induction pedestal；The capacitance signal processing unit determines the stroke of the button according to the variation of the capacitance of the induction pedestal sensed.The press-key structure of the present invention is simple, is conducive to assembling production.
Description
Technical field
The present invention relates to technical field of key, more particularly to a kind of button, a kind of terminal device and key stroke is determined
Method.
Background technology
Currently, analogue-key majority adds the modes such as carbon film, Hall to realize by potentiometer and silicagel pad.Wherein, pass through electricity
The press-key structure design that position device and silicagel pad add carbon film mode to realize is more complex, and error is larger, and real by Hall mode
Existing analogue-key is more demanding to structure precision.Therefore, it is unfavorable for assembling using button implementation in the prior art
Production.
Invention content
In view of this, the main purpose of the present invention is to provide a kind of button, a kind of terminal device and determining key stroke
Method, to be conducive to button assembling production.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
On the one hand, an embodiment of the present invention provides a kind of buttons, including：Keycap, connection unit incude pedestal, capacitance letter
Number processing unit；
The keycap is connect by the connection unit with the induction pedestal, and the capacitance signal processing unit setting exists
On the induction pedestal；
When button is pressed, the capacitance variations of the induction pedestal；The capacitance signal processing unit is according to sensing
The variation of capacitance of the induction pedestal determine the stroke of the button.
Wherein, the induction pedestal includes induction electrode and pedestal, and the induction electrode is arranged on the pedestal；
The keycap is connect by the connection unit with the pedestal；
The capacitance signal processing unit is arranged on the pedestal, is connect with the induction electrode；
The signal processing unit is arranged on the pedestal.
Wherein, the induction pedestal includes the pedestal for being embedded with induction electrode.
Wherein, the capacitance signal processing unit includes：Capacitive sensing unit, signal processing unit；
The capacitive sensing unit, the signal processing unit are arranged on the induction pedestal, the signal processing list
It is first to be connect with the capacitive sensing unit；
When button is pressed, the capacitive sensing unit is according to the change metaplasia of the capacitance of the induction pedestal sensed
It is sent to the signal processing unit at signal value output, and by the signal value output；
The signal processing unit determines the stroke of the button according to the signal value output.
Wherein, the signal processing unit includes：Microprocessor and memory；
Wherein, the microprocessor determines the row of button using the memory after receiving the signal value output
Journey；
Alternatively, the signal processing unit includes microprocessor, the microprocessor is receiving the signal value output
The stroke of button is directly determined afterwards.
Wherein, the induction electrode includes solid copper sheet or hollow copper sheet, and the connection unit includes spring or silica gel
Pad, the capacitive sensing unit includes capacitive sensing chip.
Compared with prior art, the beneficial effects of the invention are as follows：
By above description as can be seen that in embodiments of the present invention, only passing through the induction machine included by induction pedestal
The variation of capacitance just can determine that out the stroke of button, thus, press-key structure of the invention design is simple, is conducive to assembling production
Second aspect, an embodiment of the present invention provides a kind of terminal devices, including button above-mentioned.
Compared with prior art, the beneficial effects of the invention are as follows：
The press-key structure design for including due to the terminal device is simple, is easily assembled to produce, thus the terminal device also compared with
To be easily assembled to produce.
Second aspect, an embodiment of the present invention provides the methods for determining aforementioned keys stroke, including：
When button is pressed, the capacitance signal processing unit of button incudes the change of the capacitance of the induction pedestal of the button
Change；
The capacitance signal processing unit determines institute according to the variation of the capacitance of the induction pedestal of the button sensed
State the stroke of button.
Wherein, when the induction pedestal includes induction electrode and pedestal, the institute of the capacitance signal processing unit induction
State the variation of the capacitance of induction electrode；When the induction pedestal includes the pedestal for being embedded with induction electrode, the capacitance signal
Processing unit induction is embedded in the variation of the capacitance of the induction electrode in induction pedestal.
Wherein, the capacitance signal processing unit includes：Capacitive sensing unit, signal processing unit；
The capacitive sensing unit generates signal value output according to the variation of the capacitance of the induction pedestal sensed, and
The signal value output is sent to the signal processing unit；The signal processing unit is determined according to the signal value output
The stroke of the button；
Alternatively, the capacitance signal processing unit generates signal according to the variation of the capacitance of the induction pedestal sensed
Output valve, and determine according to the signal value output stroke of the button.
Compared with prior art, the beneficial effects of the invention are as follows：
Since the structure of button is simple, determine that key stroke is more convenient using the method for the embodiment of the present invention, it is real
It is strong with property.
Description of the drawings
Fig. 1 is the first schematic diagram of the button of the embodiment of the present invention；
Fig. 2 is the second schematic diagram of the button of the embodiment of the present invention；
Fig. 3 is the third schematic diagram of the button of the embodiment of the present invention；
Fig. 4 is the schematic diagram of induction electrode in the embodiment of the present invention；
Fig. 5 is the method flow diagram that the embodiment of the present invention determines key stroke.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
As shown in Figure 1, the button of the embodiment of the present invention, including：Keycap 11, connection unit 12 incude pedestal 13, capacitance letter
Number processing unit 14.
Wherein, the keycap 11 is connect by the connection unit 12 with the induction pedestal 13；At the capacitance signal
Unit 14 is managed to be arranged on the induction pedestal 13.When button is pressed, the capacitance variations of the induction pedestal；The capacitance
Signal processing unit determines the stroke of the button according to the variation of the capacitance of the induction pedestal sensed.
Wherein, in this embodiment, the induction pedestal refers to the pedestal that the variation of its capacitance can be incuded.
Specifically, as shown in Fig. 2, the induction pedestal 13 includes induction electrode 131 and pedestal 132, the induction electrode
131 are arranged on the pedestal 132.At this point, the keycap 11 is connect by the connection unit 12 with the pedestal 132.Institute
It states capacitance signal processing unit (not shown) to be arranged on the pedestal 132, be connect with the induction electrode.Alternatively, institute
It can also includes the pedestal for being embedded with induction electrode to state induction pedestal, that is to say, that in the case, the induction electrode and base
Seat is formed as one.
As shown in Figures 2 and 3 respectively, the connection unit includes silicagel pad (as shown in Figure 2) or spring (as shown in Figure 3)
Equal elastic components.The pedestal can be PCB (Printed circuit board, printed circuit board) plate.In concrete application
In, as shown in figure 4, the induction electrode includes solid copper sheet or hollow copper sheet.Specifically select which kind of copper sheet this and capacitance
The model of sensing unit is related.The capacitive sensing unit includes capacitive sensing chip.
In embodiments of the present invention, the capacitance signal processing unit can be to be integrated with capacitive sensing unit, at signal
Manage the chip of unit.At this point, change metaplasia of the capacitance signal processing unit according to the capacitance of the induction pedestal sensed
At signal value output, and determine according to the signal value output stroke of the button
Alternatively, the capacitance signal processing unit may include：Capacitive sensing unit, signal processing unit.Wherein, the electricity
Hold sensing unit, the signal processing unit is arranged on the induction pedestal, the signal processing unit and the capacitance sense
Unit is answered to connect.When button is pressed, the capacitive sensing unit is according to the change of the capacitance of the induction pedestal sensed
Metaplasia is sent to the signal processing unit at signal value output, and by the signal value output；The signal processing unit root
The stroke of the button is determined according to the signal value output.
Wherein, the signal processing unit includes：Microprocessor and memory.When a user presses a key, finger and sense
The distance between electrode is answered to reduce, therefore the capacitance on induction electrode increases.Capacitive sensing chip detecting real-time induction electrode
Upper capacitance variation, and its capacitance is converted into corresponding digital signal value output, which is sent to microprocessor
Device.The microprocessor determines button after receiving the signal value output, according to the program stored in the memory
Stroke.Certainly, in order to further cost-effective, the signal processing unit can also only include microprocessor, and the microprocessor
Device itself is provided with storage unit, for storing program.At this point, the microprocessor is after receiving the signal value output,
The stroke of button is determined according to the program of the microprocessor itself storage unit storage.
By above description as can be seen that in embodiments of the present invention, only passing through the induction machine included by induction pedestal
The variation of capacitance just can determine that out the stroke of button, thus, button scheme of the invention has structure design simple, cost
Low, high sensitivity, reliability is high, the advantages that being easily assembled.
The embodiment of the present invention additionally provides a kind of terminal device, and the terminal device includes button above-mentioned.Wherein, described
Terminal device may include mobile terminal, such as mobile phone etc..Since the press-key structure design that the terminal device includes is simple, it is easy to
Assembling production, thus the terminal device is also more easily assembled to produce.
As shown in figure 5, the embodiment of the present invention additionally provides a kind of method determining above-mentioned key stroke, including：
Step 41, when button is pressed, the capacitance signal processing unit of button incudes the induction pedestal of the button
The variation of capacitance；
Step 42, the capacitance signal processing unit according to the button sensed induction pedestal capacitance variation
Determine the stroke of the button.
As described above as can be seen that induction pedestal may include different structures.When the induction pedestal includes induction
When electrode and pedestal, step 41 is specially the variation of the capacitance of the induction electrode of the capacitance signal processing unit induction；
When the induction pedestal includes the pedestal for being embedded with induction electrode, step 41 is specially the capacitance signal processing unit induction
It is embedded in the variation of the capacitance of the induction electrode in induction pedestal.
Wherein, the capacitance signal processing unit includes：Capacitive sensing unit, signal processing unit.At this point, the capacitance
Sensing unit generates signal value output according to the variation of the capacitance of the induction pedestal sensed, and by the signal value output
It is sent to the signal processing unit；The signal processing unit determines the stroke of the button according to the signal value output.
Alternatively, the capacitance signal processing unit generates signal value output according to the variation of the capacitance of the induction pedestal sensed,
And the stroke of the button is determined according to the signal value output.
Since the structure of button is simple, determine that key stroke is more convenient using the method for the embodiment of the present invention, it is real
It is strong with property.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (5)
1. a kind of button, which is characterized in that including：Keycap, connection unit incude pedestal, capacitance signal processing unit；The sense
The pedestal for answering pedestal to refer to that the variation of its capacitance can be incuded；
The keycap is connect by the connection unit with the induction pedestal, and the capacitance signal processing unit is arranged described
Incude on pedestal；
When button is pressed, the capacitance variations of the induction pedestal；The capacitance signal processing unit is according to the institute sensed
The variation for stating the capacitance of induction pedestal determines the stroke of the button；
The induction pedestal includes induction electrode and pedestal, and the induction electrode is arranged on the pedestal；
The keycap is connect by the connection unit with the pedestal；
The capacitance signal processing unit is arranged on the pedestal, is connect with the induction electrode；
The capacitance signal processing unit includes：Capacitive sensing unit, signal processing unit；
The capacitive sensing unit, the signal processing unit be arranged on the induction pedestal, the signal processing unit and
The capacitive sensing unit connection；
When button is pressed, the capacitive sensing unit is generated according to the variation of the capacitance of the induction pedestal sensed to be believed
Number output valve, and the signal value output is sent to the signal processing unit；The signal processing unit is according to the letter
Number output valve determines the stroke of the button；
The signal processing unit includes：Microprocessor and memory；The microprocessor is receiving the signal value output
Afterwards, the stroke of button is determined using the memory；
Alternatively, the signal processing unit includes microprocessor, the microprocessor is straight after receiving the signal value output
Connect the stroke of determining button.
2. button according to claim 1, which is characterized in that the induction pedestal includes the base for being embedded with induction electrode
Seat.
3. button according to claim 1 or 2, which is characterized in that the induction electrode includes solid copper sheet or hollow
Copper sheet, the connection unit include spring or silicagel pad, and the capacitive sensing unit includes capacitive sensing chip.
4. a kind of terminal device, which is characterized in that the terminal device includes any buttons of preceding claims 1-3.
5. a kind of method of any key strokes of determining claim 1-3, which is characterized in that including：
When button is pressed, the capacitance signal processing unit of button incudes the variation of the capacitance of the induction pedestal of the button；
The induction pedestal refers to the pedestal that the variation of its capacitance can be incuded；
The capacitance signal processing unit according to the variation of the capacitance of the induction pedestal of the button sensed determine it is described by
The stroke of key；
When the induction pedestal includes induction electrode and pedestal, the capacitance signal processing unit incudes the induction electrode
The variation of capacitance；When the induction pedestal includes the pedestal for being embedded with induction electrode, the capacitance signal processing unit induction
It is embedded in the variation of the capacitance of the induction electrode in induction pedestal；
The capacitance signal processing unit includes：Capacitive sensing unit, signal processing unit；The capacitive sensing unit is according to sense
The variation of the capacitance for the induction pedestal that should be arrived generates signal value output, and the signal value output is sent to the signal
Processing unit；The signal processing unit determines the stroke of the button according to the signal value output；
It is exported alternatively, the capacitance signal processing unit generates signal according to the variation of the capacitance of the induction pedestal sensed
It is worth, and determines the stroke of the button according to the signal value output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206241.6A CN104836563B (en) | 2015-04-27 | 2015-04-27 | A kind of button, a kind of terminal device and the method for determining key stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510206241.6A CN104836563B (en) | 2015-04-27 | 2015-04-27 | A kind of button, a kind of terminal device and the method for determining key stroke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104836563A CN104836563A (en) | 2015-08-12 |
| CN104836563B true CN104836563B (en) | 2018-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510206241.6A Active CN104836563B (en) | 2015-04-27 | 2015-04-27 | A kind of button, a kind of terminal device and the method for determining key stroke |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080137B (en) * | 2015-08-28 | 2018-03-13 | 青岛歌尔声学科技有限公司 | A kind of button, a kind of game paddle and action signal output intent |
| CN107379780A (en) * | 2017-08-09 | 2017-11-24 | 东莞市叁和激光科技有限公司 | A kind of food pack is packed for laser marking machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548919U (en) * | 2009-12-05 | 2010-08-11 | 温雪眉 | Capacitance sensing type mouse |
| CN203706979U (en) * | 2013-12-31 | 2014-07-09 | 上海意力寰宇电路世界有限公司 | Elastic sheet type capacitor touch thin film switch |
| CN204009756U (en) * | 2014-06-24 | 2014-12-10 | 黄晓生 | Electrostatic capacity type is contactless keyboard |
| CN204707114U (en) * | 2015-04-27 | 2015-10-14 | 青岛歌尔声学科技有限公司 | A kind of button, a kind of terminal equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009213126A (en) * | 2008-02-08 | 2009-09-17 | Rohm Co Ltd | Remote control apparatus and electronic device using electrostatic sensor, and control method of switch |
-
2015
- 2015-04-27 CN CN201510206241.6A patent/CN104836563B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201548919U (en) * | 2009-12-05 | 2010-08-11 | 温雪眉 | Capacitance sensing type mouse |
| CN203706979U (en) * | 2013-12-31 | 2014-07-09 | 上海意力寰宇电路世界有限公司 | Elastic sheet type capacitor touch thin film switch |
| CN204009756U (en) * | 2014-06-24 | 2014-12-10 | 黄晓生 | Electrostatic capacity type is contactless keyboard |
| CN204707114U (en) * | 2015-04-27 | 2015-10-14 | 青岛歌尔声学科技有限公司 | A kind of button, a kind of terminal equipment |
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| CN104836563A (en) | 2015-08-12 |
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Effective date of registration: 20240506 Address after: 266104 No. 500, Songling Road, Laoshan District, Qingdao, Shandong Patentee after: GOERTEK TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 266061 5, 3 building, Fortune Plaza, 18 Qinling Mountains Road, Laoshan District, Qingdao, Shandong. Patentee before: QINGDAO GOERTEK TECHNOLOGY Co.,Ltd. Country or region before: China |
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