CN204707114U - A kind of button, a kind of terminal equipment - Google Patents
A kind of button, a kind of terminal equipment Download PDFInfo
- Publication number
- CN204707114U CN204707114U CN201520261683.6U CN201520261683U CN204707114U CN 204707114 U CN204707114 U CN 204707114U CN 201520261683 U CN201520261683 U CN 201520261683U CN 204707114 U CN204707114 U CN 204707114U
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- China
- Prior art keywords
- pedestal
- button
- signal processing
- processing unit
- induction
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Input From Keyboards Or The Like (AREA)
Abstract
The utility model discloses a kind of button, a kind of terminal equipment, relate to button technical field, produce in order to the assembling being conducive to button.Button comprises: keycap, linkage unit, induction pedestal, capacitance signal processing unit; Described keycap is connected with described induction pedestal by described linkage unit, and described capacitance signal processing unit is arranged on described induction pedestal; When button is pressed, the capacitance variations of described induction pedestal; Described capacitance signal processing unit determines the stroke of described button according to the change of the electric capacity of the described induction pedestal sensed.Press-key structure of the present utility model is simple, is conducive to assembling and produces.
Description
Technical field
The utility model relates to button technical field, particularly a kind of button, a kind of terminal equipment.
Background technology
At present, analogue-key majority adds the mode such as carbon film, Hall by potentiometer and silicagel pad and realizes.Wherein, add by potentiometer and silicagel pad the press-key structure design that carbon film mode realizes more complicated, and error is comparatively large, and structure precision is required higher by the analogue-key that Hall mode realizes.Therefore, assembling is produced to utilize button implementation of the prior art to be all unfavorable for.
Summary of the invention
In view of this, main purpose of the present utility model is to provide a kind of button, a kind of terminal equipment, produces in order to the assembling being conducive to button.
For achieving the above object, the technical solution of the utility model is achieved in that
On the one hand, the utility model embodiment provides a kind of button, comprising: keycap, linkage unit, induction pedestal, capacitance signal processing unit;
Described keycap is connected with described induction pedestal by described linkage unit, and described capacitance signal processing unit is arranged on described induction pedestal;
When button is pressed, the capacitance variations of described induction pedestal; Described capacitance signal processing unit determines the stroke of described button according to the change of the electric capacity of the described induction pedestal sensed.
Wherein, described induction pedestal comprises induction electrode and pedestal, and described induction electrode is arranged on described pedestal;
Described keycap is connected with described pedestal by described linkage unit;
Described capacitance signal processing unit is arranged on described pedestal, is connected with described induction electrode;
Described signal processing unit is arranged on described pedestal.
Wherein, described induction pedestal comprises the pedestal being embedded with induction electrode.
Wherein, described capacitance signal processing unit comprises: capacitive sensing unit, signal processing unit;
Described capacitive sensing unit, described signal processing unit are arranged on described induction pedestal, and described signal processing unit is connected with described capacitive sensing unit;
When button is pressed, described capacitive sensing unit generates signal value output according to the change of the electric capacity of the described induction pedestal sensed, and described signal value output is sent to described signal processing unit;
Described signal processing unit determines the stroke of described button according to described signal value output.
Wherein, described signal processing unit comprises: microprocessor and memory;
Wherein, described microprocessor, after receiving described signal value output, utilizes the stroke of described memory determination button;
Or described signal processing unit comprises microprocessor, the stroke of button directly determined by described microprocessor after receiving described signal value output.
Wherein, described induction electrode comprises solid copper sheet or hollow copper sheet, and described linkage unit comprises spring or silicagel pad, and described capacitive sensing unit comprises capacitive sensing chip.
Compared with prior art, the beneficial effects of the utility model are:
By describing above and can finding out, in the utility model embodiment, the change by means of only the capacitance of the induction machine included by induction pedestal just can determine the stroke of button, and thus, press-key structure simplicity of design of the present utility model, is conducive to assembling and produces
Second aspect, the utility model embodiment provides a kind of terminal equipment, comprises aforesaid button.
Compared with prior art, the beneficial effects of the utility model are:
Due to the press-key structure simplicity of design that this terminal equipment comprises, be easy to assembling and produce, thus this terminal equipment is also comparatively easy to assembling production.
Accompanying drawing explanation
Fig. 1 is the first schematic diagram of the button of the utility model embodiment;
Fig. 2 is the second schematic diagram of the button of the utility model embodiment;
Fig. 3 is the 3rd schematic diagram of the button of the utility model embodiment;
The schematic diagram that Fig. 4 (a) and Fig. 4 (b) is induction electrode in the utility model embodiment;
Fig. 5 is the method flow diagram of the utility model embodiment determination key stroke.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model execution mode is described in further detail.
As shown in Figure 1, the button of the utility model embodiment, comprising: keycap 11, linkage unit 12, induction pedestal 13, capacitance signal processing unit 14.
Wherein, described keycap 11 is connected with described induction pedestal 13 by described linkage unit 12; Described capacitance signal processing unit 14 is arranged on described induction pedestal 13.When button is pressed, the capacitance variations of described induction pedestal; Described capacitance signal processing unit determines the stroke of described button according to the change of the electric capacity of the described induction pedestal sensed.
Wherein, in this embodiment, described induction pedestal refer to the change of its capacitance can sensed pedestal.
Concrete, as shown in Figure 2, described induction pedestal 13 comprises induction electrode 131 and pedestal 132, and described induction electrode 131 is arranged on described pedestal 132.Now, described keycap 11 is connected with described pedestal 132 by described linkage unit 12.Described capacitance signal processing unit (not shown) is arranged on described pedestal 132, is connected with described induction electrode.Or described induction pedestal can also comprise the pedestal being embedded with induction electrode, that is in the case, described induction electrode and pedestal form as one.
Respectively as shown in Figures 2 and 3, described linkage unit comprises the elastic component such as silicagel pad (as shown in Figure 2) or spring (as shown in Figure 3).Described pedestal can be PCB (Printed circuit board, printed circuit board (PCB)) plate.In a particular application, as shown in Fig. 4 (a) He Fig. 4 (b), described induction electrode comprises solid copper sheet (Fig. 4 (a)) or hollow copper sheet (Fig. 4 (b)).This is relevant with the model of capacitive sensing unit specifically to select which kind of copper sheet.Described capacitive sensing unit comprises capacitive sensing chip.
In the utility model embodiment, described capacitance signal processing unit can for being integrated with the chip of capacitive sensing unit, signal processing unit.Now, described capacitance signal processing unit generates signal value output according to the change of the electric capacity of the described induction pedestal sensed, and determines the stroke of described button according to described signal value output
Or described capacitance signal processing unit can comprise: capacitive sensing unit, signal processing unit.Wherein, described capacitive sensing unit, described signal processing unit are arranged on described induction pedestal, and described signal processing unit is connected with described capacitive sensing unit.When button is pressed, described capacitive sensing unit generates signal value output according to the change of the electric capacity of the described induction pedestal sensed, and described signal value output is sent to described signal processing unit; Described signal processing unit determines the stroke of described button according to described signal value output.
Wherein, described signal processing unit comprises: microprocessor and memory.When a user presses a key, the distance between finger and induction electrode reduces, and the capacitance therefore on induction electrode increases.Capacitance change on capacitive sensing chip detecting real-time induction electrode, and its capacitance is converted to the signal value output of corresponding numeral, this signal value output is sent to microprocessor.Described microprocessor after receiving described signal value output, according to the stroke of the program determination button stored in described memory.Certainly, in order to further cost-saving, described signal processing unit also can only include microprocessor, and this microprocessor itself is provided with memory cell, is used for storage program.Now, described microprocessor after receiving described signal value output, according to the stroke of the program determination button of self cell stores of described microprocessor.
By describing above and can finding out, in the utility model embodiment, change by means of only the capacitance of the induction machine included by induction pedestal just can determine the stroke of button, thus, it is simple that button scheme of the present utility model has structural design, and cost is low, highly sensitive, the advantages such as reliability is high, easy assembling.
The utility model embodiment still provides a kind of terminal equipment, and described terminal equipment comprises aforesaid button.Wherein, described terminal equipment can comprise mobile terminal, such as mobile phone etc.Due to the press-key structure simplicity of design that this terminal equipment comprises, be easy to assembling and produce, thus this terminal equipment is also comparatively easy to assembling production.
As shown in Figure 5, the utility model embodiment still provides a kind of method determining above-mentioned key stroke, comprising:
Step 41, when button is pressed, the capacitance signal processing unit of button responds to the change of the electric capacity of the induction pedestal of described button;
Step 42, described capacitance signal processing unit determine the stroke of described button according to the change of the electric capacity of the induction pedestal of the described button sensed.
Can find out according to above description, induction pedestal can comprise different structures.When described induction pedestal comprises induction electrode and pedestal, step 41 is specially the change of the electric capacity of the described induction electrode of described capacitance signal processing unit induction; When described induction pedestal comprises the pedestal being embedded with induction electrode, step 41 is specially the change that the induction of described capacitance signal processing unit is embedded in the electric capacity of the induction electrode in induction pedestal.
Wherein, described capacitance signal processing unit comprises: capacitive sensing unit, signal processing unit.Now, described capacitive sensing unit generates signal value output according to the change of the electric capacity of the described induction pedestal sensed, and described signal value output is sent to described signal processing unit; Described signal processing unit determines the stroke of described button according to described signal value output.Or described capacitance signal processing unit generates signal value output according to the change of the electric capacity of the described induction pedestal sensed, and determines the stroke of described button according to described signal value output.
Because the structure of button is simple, therefore utilize the method determination key stroke of the utility model embodiment more for convenience, practical.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit protection range of the present utility model.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., be all included in protection range of the present utility model.
Claims (7)
1. a button, is characterized in that, comprising: keycap, linkage unit, induction pedestal, capacitance signal processing unit;
Described keycap is connected with described induction pedestal by described linkage unit, and described capacitance signal processing unit is arranged on described induction pedestal;
When button is pressed, the capacitance variations of described induction pedestal; Described capacitance signal processing unit determines the stroke of described button according to the change of the electric capacity of the described induction pedestal sensed.
2. button according to claim 1, is characterized in that, described induction pedestal comprises induction electrode and pedestal, and described induction electrode is arranged on described pedestal;
Described keycap is connected with described pedestal by described linkage unit;
Described capacitance signal processing unit is arranged on described pedestal, is connected with described induction electrode;
Described signal processing unit is arranged on described pedestal.
3. button according to claim 1, is characterized in that, described induction pedestal comprises the pedestal being embedded with induction electrode.
4., according to the arbitrary described button of claim 1-3, it is characterized in that, described capacitance signal processing unit comprises: capacitive sensing unit, signal processing unit;
Described capacitive sensing unit, described signal processing unit are arranged on described induction pedestal, and described signal processing unit is connected with described capacitive sensing unit;
When button is pressed, described capacitive sensing unit generates signal value output according to the change of the electric capacity of the described induction pedestal sensed, and described signal value output is sent to described signal processing unit; Described signal processing unit determines the stroke of described button according to described signal value output.
5. button according to claim 4, is characterized in that, described signal processing unit comprises: microprocessor and memory; Described microprocessor, after receiving described signal value output, utilizes the stroke of described memory determination button;
Or described signal processing unit comprises microprocessor, the stroke of button directly determined by described microprocessor after receiving described signal value output.
6. the button according to Claims 2 or 3, is characterized in that, described induction electrode comprises solid copper sheet or hollow copper sheet, and described linkage unit comprises spring or silicagel pad, and described capacitive sensing unit comprises capacitive sensing chip.
7. a terminal equipment, is characterized in that, described terminal equipment comprises the arbitrary described button of aforementioned claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261683.6U CN204707114U (en) | 2015-04-27 | 2015-04-27 | A kind of button, a kind of terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261683.6U CN204707114U (en) | 2015-04-27 | 2015-04-27 | A kind of button, a kind of terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204707114U true CN204707114U (en) | 2015-10-14 |
Family
ID=54286706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520261683.6U Withdrawn - After Issue CN204707114U (en) | 2015-04-27 | 2015-04-27 | A kind of button, a kind of terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204707114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836563A (en) * | 2015-04-27 | 2015-08-12 | 青岛歌尔声学科技有限公司 | Key, terminal device and method for determining stroke of key |
-
2015
- 2015-04-27 CN CN201520261683.6U patent/CN204707114U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836563A (en) * | 2015-04-27 | 2015-08-12 | 青岛歌尔声学科技有限公司 | Key, terminal device and method for determining stroke of key |
| CN104836563B (en) * | 2015-04-27 | 2018-07-31 | 青岛歌尔声学科技有限公司 | A kind of button, a kind of terminal device and the method for determining key stroke |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151014 Effective date of abandoning: 20180731 |
|
| AV01 | Patent right actively abandoned |