CN202524371U - Capacitive sensing key structure - Google Patents
Capacitive sensing key structure Download PDFInfo
- Publication number
- CN202524371U CN202524371U CN2012200915149U CN201220091514U CN202524371U CN 202524371 U CN202524371 U CN 202524371U CN 2012200915149 U CN2012200915149 U CN 2012200915149U CN 201220091514 U CN201220091514 U CN 201220091514U CN 202524371 U CN202524371 U CN 202524371U
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- China
- Prior art keywords
- conductive support
- electrically conductive
- fixed
- power spring
- panel
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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.)
- Expired - Lifetime
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- 230000006698 induction Effects 0.000 claims abstract description 33
- 230000001939 inductive effect Effects 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a capacitanc response button structure. Including panel (1), circuit board (5), install elastic component (6) between panel (1) and circuit board (5), elastic component (6) are including response electrode (2), electrically conductive spring (3) and electrically conductive support (4), the inboard at panel (1) is hugged closely in response electrode (2), electrically conductive support (4) are fixed on circuit board (5), the upper end of electrically conductive spring (3) is fixed on response electrode (2), the lower extreme of electrically conductive spring (3) is fixed on electrically conductive support (4). The utility model discloses owing to adopt conductive spring to utilize the structure that the response electrode pasted at the back at the panel, increased contact induction switch's sensitivity. Additionally, the utility model discloses a conductive spring is connected with electrically conductive support, can reduce conductive spring free length, avoids inductive electrode to take place lateral shifting and skew preset position or two inductive electrodes to take place the contact on electrically conductive touch panel downside effectively and leads to the button short circuit malfunctioning.
Description
Technical field
The utility model belongs to electronic technology field, particularly the renovation technique of capacitive induction press-key structure.
Background technology
In household appliances, use the contact-making switch that comes the trigger switch operation through user's contact more and more.Wherein the power spring button is used widely.In order to increase the sensitivity of power spring button, CN101032078B discloses a kind of compression spring that is installed between panel and the circuit board, and this compression spring upper end has at least two coils; US7515140B2 has announced a kind of metal inductive element---power spring that is installed between panel and the circuit board, and this power spring outwards launches in the face of the end of panel, and the bottom is more intensive than the top.These two kinds of schemes all are the end enlarged areas through power spring, make the contact area of power spring and panel increase and realize that contact-making switch is sensitiveer.But these two kinds of method technological operations are complicated and to improve yardstick limited.The direct connecting circuit plate in lower end of while power spring; Because of the power spring drift is longer, when assembling conduction touch panel, the flexible deformation takes place in power spring easily; The power spring end is displaced sideways on conduction touch panel downside, out of position.
Summary of the invention
The purpose of the utility model is to consider the problems referred to above and capacitive induction press-key structure that a kind of effective raising sensitivity is provided.The utility model is reasonable in design, and is easy to assembly.
The technical scheme of the utility model is: the capacitive induction press-key structure of the utility model; Include panel, circuit board, be installed in the elastic parts between panel and the circuit board; Wherein elastic parts includes induction electrode, power spring and conductive support, and induction electrode is close to the inboard of panel, and conductive support is fixed on the circuit board; The upper end of power spring is fixed on the induction electrode, and the lower end of power spring is fixed on the conductive support.
Above-mentioned conductive support includes end face and pin, and the upper end of power spring is fixed on the end face of conductive support, and conductive support is fixed on the circuit board through pin.
The end face of above-mentioned conductive support is provided with the through hole of the end that is used for the snapping power spring.
The upper end of above-mentioned power spring perhaps is weldingly fixed on through riveted joint between induction electrode.
The lower end of above-mentioned power spring perhaps is weldingly fixed on the conductive support through riveted joint.
The foregoing circuit plate is provided with the through hole that is used for the set pin of plug-in mounting conductive support.
The set pin of above-mentioned conductive support passes through hole set on the testing circuit plate, and perhaps is weldingly fixed on the circuit board through riveted joint.
The utility model adopts power spring to utilize induction electrode to abut in the structure at the back side of panel; Be connected with conductive support through power spring; Can reduce the power spring drift, avoid induction electrode on conduction touch panel downside, to be displaced sideways effectively and out of position or two induction electrodes come in contact and cause the button short circuit malfunctioning; In addition, the elastic parts that the utility model is made up of conductive support, three elements of power spring and induction electrode is connected with the testing circuit plate through the conductive support of rigid body, convenience is installed gets a promotion.
Description of drawings
Fig. 1 is the end view of the utility model embodiment.
Fig. 2 is the structural representation of the utility model embodiment.
Embodiment
Embodiment:
The structural representation of the utility model is like Fig. 1, shown in 2; The capacitive induction press-key structure of the utility model includes and comprises panel 1, circuit board 5, is installed in the elastic parts 6 between panel 1 and the circuit board 5 that wherein elastic parts 6 includes induction electrode 2, power spring 3 and conductive support 4; Induction electrode 2 is close to the inboard of panel 1; Conductive support 4 is fixed on the circuit board 5, and the upper end of power spring 3 is fixed on the induction electrode 2, and the lower end of power spring 3 is fixed on the conductive support 4.
Above-mentioned conductive support 4 includes end face 41 and pin 42, and the upper end of power spring 3 is fixed on the end face 41 of conductive support 4, and conductive support 4 is fixed on the circuit board 5 through pin 42.
For ease of installing, the end face 41 of above-mentioned conductive support 4 is provided with the through hole of the end that is used for snapping power spring 3.
The upper end of above-mentioned power spring 3 perhaps is weldingly fixed on through riveted joint between induction electrode 2.In the present embodiment, the upper end of power spring 3 is fixed by welding between induction electrode 2.
The lower end of above-mentioned power spring 3 perhaps is weldingly fixed on the conductive support 4 through riveted joint.In the present embodiment, riveted and fixed is passed through on conductive support 4 in the lower end of above-mentioned power spring 3.
Foregoing circuit plate 5 is provided with the through hole 51 that is used for plug-in mounting conductive support 4 set pins 42.In the present embodiment, above-mentioned conductive support 4 set pins 42 pass through hole set on the testing circuit plate 5 51, and perhaps are weldingly fixed on the circuit board 5 through riveted joint.
The operation principle of the utility model is following: during user's contact surface plate 1, deformation takes place in the power spring 3 in the elastic parts 6, makes the electric capacity between circuit board 5 and the panel 1 produce change, thereby to circuit board 5 input control signals.The elastic parts 6 of the utility model is made up of conductive support 4, power spring 3 and 2 three elements of induction electrode; Be connected with conductive support 4 through power spring 3; Can reduce the drift of power spring 3, avoid induction electrode 2 on conduction touch panel downside, to be displaced sideways effectively and out of position or two induction electrodes come in contact and cause the button short circuit malfunctioning.
Claims (7)
1. capacitive induction press-key structure; Include panel (1), circuit board (5), be installed in the elastic parts (6) between panel (1) and the circuit board (5); It is characterized in that elastic parts (6) includes induction electrode (2), power spring (3) and conductive support (4); Induction electrode (2) is close to the inboard of panel (1); Conductive support (4) is fixed on the circuit board (5), and the upper end of power spring (3) is fixed on the induction electrode (2), and the lower end of power spring (3) is fixed on the conductive support (4).
2. capacitive induction press-key structure according to claim 1; It is characterized in that above-mentioned conductive support (4) includes end face (41) and pin (42); The upper end of power spring (3) is fixed on the end face (41) of conductive support (4), and conductive support (4) is fixed on the circuit board (5) through pin (42).
3. capacitive induction press-key structure according to claim 2 is characterized in that the end face (41) of above-mentioned conductive support (4) is provided with the through hole of the end that is used for snapping power spring (3).
4. capacitive induction press-key structure according to claim 1 is characterized in that the upper end of above-mentioned power spring (3) perhaps is weldingly fixed on through riveted joint between induction electrode (2).
5. capacitive induction press-key structure according to claim 1 is characterized in that the lower end of above-mentioned power spring (3) perhaps is weldingly fixed on the conductive support (4) through riveted joint.
6. according to each described capacitive induction press-key structure of claim 2 to 5, it is characterized in that foregoing circuit plate (5) is provided with the through hole (51) that is used for the set pin of plug-in mounting conductive support (4) (42).
7. capacitive induction press-key structure according to claim 6 is characterized in that the set pin of above-mentioned conductive support (4) (42) passes testing circuit plate (5) and goes up set through hole (51), and perhaps is weldingly fixed on the circuit board (5) through riveted joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200915149U CN202524371U (en) | 2012-03-13 | 2012-03-13 | Capacitive sensing key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200915149U CN202524371U (en) | 2012-03-13 | 2012-03-13 | Capacitive sensing key structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524371U true CN202524371U (en) | 2012-11-07 |
Family
ID=47107296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200915149U Expired - Lifetime CN202524371U (en) | 2012-03-13 | 2012-03-13 | Capacitive sensing key structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524371U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836562A (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 |
| CN104934728A (en) * | 2015-06-18 | 2015-09-23 | 无锡众扬金属制品有限公司 | Conductive spring |
| WO2015149324A1 (en) * | 2014-04-03 | 2015-10-08 | Micro Motion, Inc. | Capacitive touch sensor |
| WO2023236763A1 (en) * | 2022-06-08 | 2023-12-14 | 北京字跳网络技术有限公司 | Key device and electronic apparatus having same |
-
2012
- 2012-03-13 CN CN2012200915149U patent/CN202524371U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015149324A1 (en) * | 2014-04-03 | 2015-10-08 | Micro Motion, Inc. | Capacitive touch sensor |
| US10128840B2 (en) | 2014-04-03 | 2018-11-13 | Micro Motion, Inc. | Capacitive touch sensor |
| CN104836562A (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 |
| CN104836562B (en) * | 2015-04-27 | 2019-02-15 | 青岛歌尔声学科技有限公司 | A kind of key, a kind of terminal device and the method for determining key stroke |
| CN104934728A (en) * | 2015-06-18 | 2015-09-23 | 无锡众扬金属制品有限公司 | Conductive spring |
| WO2023236763A1 (en) * | 2022-06-08 | 2023-12-14 | 北京字跳网络技术有限公司 | Key device and electronic apparatus having same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: Midea Group |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |
|
| CX01 | Expiry of patent term |