CN201286090Y - Capacitance induction press-key structure and electric appliance equipment having the press-key structure - Google Patents
Capacitance induction press-key structure and electric appliance equipment having the press-key structure Download PDFInfo
- Publication number
- CN201286090Y CN201286090Y CNU2008202254337U CN200820225433U CN201286090Y CN 201286090 Y CN201286090 Y CN 201286090Y CN U2008202254337 U CNU2008202254337 U CN U2008202254337U CN 200820225433 U CN200820225433 U CN 200820225433U CN 201286090 Y CN201286090 Y CN 201286090Y
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- China
- Prior art keywords
- panel
- key structure
- press
- elastic component
- key
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Abstract
The utility model discloses a capacity type induction key structure and an electrical equipment with the key structure. The key structure comprises a panel and an induction electrode, the panel is provided with a key zone an elastic component is arranged between the panel and the induction electrode, one end of the elastic component is arranged on the induction electrode, and the other end is contacted with the back side of the panel. The key structure can ensure the close contact of the panel and the induction electrode, and contact consistency, and the elastic component has stable physical characteristics, thereby improving the sensitivity, consistency and reliability of the key.
Description
Technical field
The utility model relates to a kind of press-key structure, specifically, relates to a kind of structure of capacitive induction button, belongs to household electrical appliance technical field.
Background technology
Capacitive induction is nearly trend of just rising in 2 years by the be in application of electrical domain of key technology, this button comprises the panel as touch-screen, panel is provided with corresponding key area, all plate long and narrow induction electrode on back side of panel four limits, in electric conductor, form a low-voltage AC field.The people is when touch panel, because the existence of people's bulk electric field can form a coupling capacitance between finger and conductor layer, the electric current that four limit electrodes send can flow to the contact.Be directly proportional with the distance of pointing electrode and electric current is strong and weak, the controller that is positioned at panel back just can calculate the ratio and the power of electric current, accurately calculates touch point position, and then carries out the pairing operation of touch point button.
In view of some particularity of household appliances, particularly big household electrical appliances product structure design, adopt the arc design such as panel, when adopting the capacitive induction button, often need carry out some special designs to the version of button.This be because, for the capacitive induction button, require the induction electrode distance of key area on the panel and button near more good more in theory, and usually big household appliances are not accomplished this point, just need provide a kind of material of conduction this moment, the two closely can be coupled together.At this demand, generally adopt at present the mode of between panel and induction electrode filled conductive sponge or conductive rubber in the industry, the two is coupled together.But owing to conductive sponge, conductive rubber exist shortcomings such as deformation is uncontrollable, the dielectric constant drift is big, such environmental effects is big, cause the capacitive induction button sensitivity consistency of this structure relatively poor, and damage easily, useful life is shorter.
Summary of the invention
The utility model provides a kind of capacitive induction press-key structure at the above-mentioned shortcoming and defect that capacitive induction press-key structure in the prior art exists, and has improved the sensitivity and the reliability of induced key.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of capacitive induction press-key structure, comprise panel and induction electrode, described panel is provided with the key area, it is characterized in that, between described panel and described induction electrode, be provided with conductive elastic component, one end of described conductive elastic component is arranged on the described induction electrode, and the other end contacts with the back side of described panel.
According to the utility model, described conductive elastic component is compressive state.
According to the utility model, be the electric conductivity of raising button, and then improve button sensitivity, the back side of described panel is provided with conductive metal foil, and the other end of described conductive elastic component contacts with described conductive metal foil.
According to the utility model, described conductive metal foil is arranged on the back side with the corresponding panel in described key area.
Preferably, described conductive metal foil is conductive aluminum foil or copper-foil conducting electricity.
The utility model also provides a kind of electric equipment, has the capacitive induction press-key structure, described press-key structure comprises panel and induction electrode, described panel is provided with the key area, it is characterized in that, be provided with conductive elastic component between described panel and described induction electrode, an end of described conductive elastic component is arranged on the described induction electrode, and the other end contacts with the back side of described panel.
According to the utility model, described conductive elastic component is compressive state.
According to the utility model, the back side of described panel is provided with conductive metal foil, and the other end of described conductive elastic component contacts with described conductive metal foil.
According to the utility model, described conductive metal foil is arranged on the back side with the corresponding panel in described key area.
Preferably, described conductive metal foil is conductive aluminum foil or copper-foil conducting electricity.
Compared with prior art, advantage of the present utility model and good effect are: because the physical characteristics such as dielectric constant of flexible member and metal forming are stable, and the deformation of flexible member is controlled, by conductive elastic component and conductive metal foil are set between panel and induction electrode, panel is connected with induction electrode, can guarantee that tight between panel and the induction electrode contacts and the consistency of contact condition, thereby improved sensitivity, consistency and the reliability of button design, prolonged the useful life of press-key structure.
Description of drawings
Fig. 1 is the schematic diagram of a kind of embodiment of the utility model capacitive induction press-key structure.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
See also the schematic diagram of a kind of embodiment of capacitive induction press-key structure shown in Figure 1.The described induced key structure of present embodiment comprises plate panel 1, and described panel 1 is provided with four key areas 5, is pasted with conductive aluminum foil 4 at the back side with key area 5 corresponding panels 1.The induction electrode 2 of capacitive induction button is arranged on the rear side of described panel 1, is provided with conductive elastic component 3 between induction electrode 2 and panel 1.One end of described flexible member 3 is weldingly fixed on the described induction electrode 2, and the other end of flexible member 3 is a free end, and this free end directly contacts with conductive aluminum foil 4.This structure makes flexible member 3 and induction electrode 2 become one, and flexible member and panel 1 and aluminium foil 4 are split type, are convenient to install.In addition, flexible member 3 is in compressive state between panel 1 and induction electrode 2, can guarantee tight contact the between panel 1 and the induction electrode 2, and contact condition is consistent, and can improve the consistency and the reliability of induced key.
When the induced key of said structure is used in electric equipment, induction electrode 2 and key circuit can be produced on the circuit board, flexible member 3 is welded in induction electrode on circuit board 2 positions then, the circuit-board card that will be welded with flexible member 3 then is contained on the circuit-board card assembling structure default in the electric equipment, at this moment, the free end of flexible member 3 contacts with the conductive aluminum foil 4 that sticks on panel 1 back side, and flexible member 3 is in compressive state just.When the key area 5 on user's touch panel 1, form coupling capacitance by conductive aluminum foil 4 and conductive elastic component 3 between finger and the induction electrode 2.Key circuit on the circuit board is according to the change-detection key position of coupling capacitance, and control appliance is carried out corresponding button operation function.
Above-mentioned conductive elastic component 3 can be selected power spring for use; Conductive aluminum foil 4 also can be conductive metal foils such as copper-foil conducting electricity, conduction silver foil, with conductive aluminum foil the best.
Capacitive induction press-key structure described in the utility model is not limited to and is applied in panel is that also can be used in panel is in the electric equipment of shapes such as arc in the flat electric equipment.
Certainly; the above only is a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1, a kind of capacitive induction press-key structure, comprise panel and induction electrode, described panel is provided with the key area, it is characterized in that, between described panel and described induction electrode, be provided with conductive elastic component, one end of described conductive elastic component is arranged on the described induction electrode, and the other end contacts with the back side of described panel.
2, capacitive induction press-key structure according to claim 1 is characterized in that, described conductive elastic component is compressive state.
3, capacitive induction press-key structure according to claim 1 and 2 is characterized in that, the back side of described panel is provided with conductive metal foil, and the other end of described conductive elastic component contacts with described conductive metal foil.
4, capacitive induction press-key structure according to claim 3 is characterized in that, described conductive metal foil is arranged on the back side with the corresponding panel in described key area.
5, capacitive induction press-key structure according to claim 4 is characterized in that, described conductive metal foil is conductive aluminum foil or copper-foil conducting electricity.
6, a kind of electric equipment, has the capacitive induction press-key structure, described press-key structure comprises panel and induction electrode, described panel is provided with the key area, it is characterized in that, be provided with conductive elastic component between described panel and described induction electrode, an end of described conductive elastic component is arranged on the described induction electrode, and the other end contacts with the back side of described panel.
7, electric equipment according to claim 6 is characterized in that, described conductive elastic component is compressive state.
8, according to claim 6 or 7 described electric equipments, it is characterized in that the back side of described panel is provided with conductive metal foil, the other end of described conductive elastic component contacts with described conductive metal foil.
9, electric equipment according to claim 8 is characterized in that, described conductive metal foil is arranged on the back side with the corresponding panel in described key area.
10, electric equipment according to claim 9 is characterized in that, described conductive metal foil is conductive aluminum foil or copper-foil conducting electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202254337U CN201286090Y (en) | 2008-11-07 | 2008-11-07 | Capacitance induction press-key structure and electric appliance equipment having the press-key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202254337U CN201286090Y (en) | 2008-11-07 | 2008-11-07 | Capacitance induction press-key structure and electric appliance equipment having the press-key structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201286090Y true CN201286090Y (en) | 2009-08-05 |
Family
ID=40951057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202254337U Expired - Lifetime CN201286090Y (en) | 2008-11-07 | 2008-11-07 | Capacitance induction press-key structure and electric appliance equipment having the press-key structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201286090Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924543A (en) * | 2010-07-22 | 2010-12-22 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment and key connecting structure thereof |
| CN106775175A (en) * | 2017-02-08 | 2017-05-31 | 江门市开普勒卫浴科技有限公司 | A kind of capacitance type touch control screen |
| CN107143980A (en) * | 2017-05-24 | 2017-09-08 | 海信（山东）空调有限公司 | One kind air-supply guider and its control method, air-conditioning |
-
2008
- 2008-11-07 CN CNU2008202254337U patent/CN201286090Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924543A (en) * | 2010-07-22 | 2010-12-22 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment and key connecting structure thereof |
| CN101924543B (en) * | 2010-07-22 | 2013-08-28 | 鸿富锦精密工业（深圳）有限公司 | Electronic equipment and key connecting structure thereof |
| CN106775175A (en) * | 2017-02-08 | 2017-05-31 | 江门市开普勒卫浴科技有限公司 | A kind of capacitance type touch control screen |
| CN107143980A (en) * | 2017-05-24 | 2017-09-08 | 海信（山东）空调有限公司 | One kind air-supply guider and its control method, air-conditioning |
| CN107143980B (en) * | 2017-05-24 | 2020-02-04 | 海信（山东）空调有限公司 | Air supply guiding device, control method thereof and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090805 |
|
| CX01 | Expiry of patent term |