CN101924544B - Capacitor type touch switch - Google Patents
Capacitor type touch switch Download PDFInfo
- Publication number
- CN101924544B CN101924544B CN 201010281324 CN201010281324A CN101924544B CN 101924544 B CN101924544 B CN 101924544B CN 201010281324 CN201010281324 CN 201010281324 CN 201010281324 A CN201010281324 A CN 201010281324A CN 101924544 B CN101924544 B CN 101924544B
- Authority
- CN
- China
- Prior art keywords
- switch
- main body
- capacitor type
- light emitting
- led lamp
- Prior art date
- 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 - Fee Related
Links
- 239000003990 capacitor Substances 0.000 title abstract description 45
- 230000006698 induction Effects 0.000 claims description 37
- 239000004020 conductor Substances 0.000 claims description 30
- 239000010408 film Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000007639 printing Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 3
- 229910001887 tin oxide Inorganic materials 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 230000007257 malfunction Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- WBLJAACUUGHPMU-UHFFFAOYSA-N copper platinum Chemical compound [Cu].[Pt] WBLJAACUUGHPMU-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Images
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a capacitor type touch switch, which comprises a light transmitting capacitor type sensitive layer and a light emitting LED lamp connected with a control circuit of the touch switch, wherein the light emitting LED lamp is matched with a cavity arranged on the switch body. Because the light emitting LED lamp and the capacitor type sensitive layer are electrically connected with the control circuit of the touch switch respectively, the capacitance of the capacitor type sensitive layer changes when the capacitor type touch switch is operated, and the information that the capacitance is changed is transmitted to the control circuit so that the capacitor type touch switch is in an opened state. When the capacitor type touch switch is configured appropriately with the control circuit and the capacitor type touch switch is in the opened state, the light emitting LED lamp lights. The ray can penetrate through the switch body and the capacitor type sensitive layer, thereby the user can prompt the state of the switch more intuitively through the lamplight of the light emitting LED lamp. By adopting the structure, the switch ensures that a nearest distance is maintained between fingers and the sensitive surface of the capacitor type sensitive layer. In the same sensitive area, the capacitor type touch switch has good sensitivity and stability and is not prone to malfunction.
Description
Technical field
The present invention relates to the soft-touch control technical field, particularly a kind of capacitor type touch switch.
Background technology
The capacitive induction switch that is usually used in electronic product or household appliances, its basic principle is provided with tablet, this tablet is the about 10mm of a size～15mm square or round electric conductor, when operation, produce inductance capacitance between hand and this conductor, thereby make, the capacitance of conductor and background media changes, and carries out switch motion by cooperating with proper device, and then realizes device is operated control.
Principle in electronic circuitry, the size of capacitance be directly proportional with pole plate area size or pole plate between distance becomes inverse square to concern, wherein, the distance of distance has the greatest impact to capacity, therefore capacitive touch switch contacts apart from more near with finger, and it is also just more good then to control effect.
Described tablet is printed circuit board (PCB) or by sheet metal.Because tablet is sheet metal or the printed circuit board (PCB) that is provided with copper platinum, the family need be in the action of operation soft-touch control except sound or suggestion device output corresponding operating, the information that the user can't acquisition switch more directly perceived have moved.
The copper platinum etching that tablet mostly is printed circuit board (PCB) forms or sheet metal, thereby can't printing opacity.If when coming prompting soft-touch control more directly perceived whether to move by light, need increase the sensitive surface and finger distance of tablet in the moving structure of existing soft-touch control, after the tablet that will increase thickness is again put into guiding device, could when the operation sense inductive switch, luminous feedback be arranged as the on off state information.But this structure has increased the sensitive surface of tablet and the distance between the finger, the capacitance efficiency of capacitor type touch switch is reduced, thereby its sensitivity is low, and misoperation takes place poor stability easily; The soft-touch control of this structure is thicker on the other hand, and volume is bigger, and inconvenient this soft-touch control is used.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of capacitor type touch switch that can point out by light when console switch, its sensitivity and good stability are not easy to take place misoperation.
In order to address the above problem, the invention provides a kind of capacitor type touch switch, this capacitor type touch switch comprises Switch main body, be provided with the capacitive induction layer of light-permeable at described Switch main body, the light emitting LED lamp that this capacitive induction layer is electrically connected with contact switch control circuit, the cavity of establishing on this light emitting LED lamp and the Switch main body cooperates described Switch main body light-permeable.
Preferably, described capacitive induction layer is the sensor film conductor, and this sensor film conductor comprises fixing light transmission film and the conductive layer of stack in order.
Preferably, described sensor film conductor is arranged with the conductor pins that is electrically connected with conductive layer, and this conductor pins is connected with the circuit that this capacitor type touch switch is controlled.
Preferably, described capacitor type touch switch also comprises conducting bracket, and this conducting bracket is fixed by the conducting resinl and the Switch main body that are arranged on the described capacitive induction layer outside.
Preferably, described conducting resinl comprises ACF, ACP or ACA conducting resinl.
Preferably, described cavity is positioned at the Switch main body center.
Preferably, described conducting bracket is arranged with the conductor pins that is electrically connected with the capacitive induction layer in the form of a ring on it, and this conductor pins is connected with the circuit that described capacitor type touch switch is controlled.
Preferably, described Switch main body is provided with the stopper slot of taking in conductor pins.
Preferably, described light emitting LED lamp is arranged on the substrate, and this substrate and Switch main body are fixed, and it is provided with the LED pin that is electrically connected with light emitting LED lamp and contact switch control circuit, the pin groove of described LED pin and lead pin.
Preferably, described capacitive induction layer comprises light transmission film, be provided with the thing light transmission film that tin indium oxide with conductive characteristic, tin oxide, zinc oxide or noncrystalline conductive oxide constitute in this light transmission film one side by printing, spraying or vacuum splashing and plating, be provided with silver conductive layer at this transparent conducting thin film layer.
Capacitor type touch switch of the present invention, by being provided with the capacitive induction layer of light-permeable at Switch main body, the light emitting LED lamp that this capacitive induction layer is connected with contact switch control circuit, the cavity of establishing on this light emitting LED lamp and the Switch main body cooperates.Because light emitting LED lamp and capacitive induction layer are electrically connected with contact switch control circuit respectively, when the operating capacitance soft-touch control, capacitance on the described capacitive induction layer changes, control board message through connecting makes this capacitor type touch switch be set and is in open mode after handling.
Suitably disposing with control circuit, light emitting LED lamp is luminous when capacitor type touch switch is in open mode, and this light can see through Switch main body and capacitive induction layer, so the user can point out the state of switch more intuitively by the light of light emitting LED lamp.This configuration switches make the finger and the capacitive induction layer on sensitive surface between keep minimum distance, at the sensitivity of identical induction region capacitor type touch switch and good stability, be not easy to take place misoperation, simultaneously also make things convenient for the user intuitively to understand on off state, reduce the not clear misoperation that takes place of on off state.Described light emitting LED lamp is accommodated in the described cavity, thereby can reduce the thickness of described capacitor type touch switch, is widely used in various fields, especially the volume size is had the equipment of requirement.
Description of drawings
Fig. 1 is capacitor type touch switch embodiment assembly structure schematic diagram of the present invention;
Fig. 2 is capacitor type touch switch example structure decomposing schematic representation of the present invention;
Fig. 3 is Switch main body example structure schematic diagram of the present invention;
Fig. 4 is that capacitor type touch switch of the present invention cooperates schematic diagram with electronic equipment;
Fig. 5 is another embodiment assembly structure schematic diagram of capacitor type touch switch of the present invention;
Fig. 6 is another example structure decomposing schematic representation of capacitor type touch switch of the present invention.
Below in conjunction with embodiment, and with reference to accompanying drawing, realization, functional characteristics and the advantage of the object of the invention is described further.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the invention provides a kind of capacitor type touch switch embodiment.
Described capacitor type touch switch comprises the Switch main body 1 of light-permeable, be provided with the capacitive induction layer 2 of light-permeable at described Switch main body 1, the light emitting LED lamp 3 that this capacitive induction layer 2 is electrically connected with contact switch control circuit, the cavity of establishing on this light emitting LED lamp 3 and the Switch main body 1 12 cooperates, and wherein said capacitive induction layer 2 comprises fixing light transmission film and the conductive layer of stack in order.
Described capacitive induction layer 2 can be that individual layer or several conductive layer form again, for example can have printing opacity and conductive membrane layer by printing, spraying or vacuum splashing and plating in light transmission film one side, this conductive membrane layer can be ITO (Indium Iin Oxide, tin indium oxide), tin oxide, zinc oxide or noncrystalline conductive oxide.Be provided with silver conductive layer at this transparent conducting thin film layer.Described capacitive induction layer is arranged with the conductor pins 21 that is electrically connected with conductive layer, and this conductor pins 21 is connected with the circuit that this capacitor type touch switch is controlled.The quantity of described conductor pins 21 also can be established as required and be arranged, and a conductor pins 21 for example can be set.
Described light emitting LED lamp 3 is arranged on the substrate 4, and this substrate 4 is fixing with Switch main body 1, and as fixing with Switch main body 1 by screw 6, it is provided with the LED pin 5 and the prolongation pin 7 that is connected with conductor pins 21 that is electrically connected with light emitting LED lamp 3 and contact switch control circuit.Described capacitive induction layer 2 can be fixed by the sticking body 8 of the subsides of printing opacity and described Switch main body 1, and for example the sticking body of described subsides can be rubberizing, can adopt other printing opacity as required and stickiness is arranged, and also can adopt alternate manner to fix.
When the operating capacitance soft-touch control, capacitance on the capacitive induction layer 2 that the circuit of controlling by conductor pins 21 and this capacitor type touch switch is connected changes, see through the processing that the control circuit that connects carries out this switch motion, make this capacitor type touch switch be set and be in open mode.Suitably disposing described light emitting LED lamp 3 electrified light emitting when capacitor type touch switch is in open mode with control circuit.Described Switch main body 1 of while and capacitive induction layer 2 be light-permeable all, so the user can point out the state of switch more intuitively by the light of light emitting LED lamp 3 when the operating capacitance soft-touch control.The shape size of described Switch main body 1 can arrange according to need, and for example Switch main body 1 is square, and described capacitive induction layer 2 gets final product with this Switch main body 1 coupling.
Compared with prior art, when console switch, keep minimum distance between the sensitive surface on finger and the capacitive induction layer 2, at the sensitivity of identical induction region capacitor type touch switch and good stability, be not easy to take place misoperation, and the user can intuitively understand on off state, the minimizing misoperation.Simultaneously described light emitting LED lamp 3 is accommodated in the described cavity 12, thereby makes the thickness of described capacitor type touch switch, and it is simple in structure, can be widely used in various fields, especially the volume size is had the equipment of requirement.
In the above-described embodiments, described Switch main body 1 is provided with the stopper slot 11 of taking in conductor pins 21, can be so that this 1 combination of described conductor pins 21 and switch is compacter.Described light emitting LED lamp 3 can be arranged on the substrate 4 as required, this substrate 4 is fixing with Switch main body 1 by screw 6, it is provided with the LED pin 5 that is electrically connected with light emitting LED lamp 3 and contact switch control circuit, the circuit of during use described LED pin 5 and capacitor type touch switch being controlled.Described cavity 12 positions can arrange as required, preferably are arranged on described Switch main body 1 center, and when light emitting LED lamp 3 work, its light can evenly distribute; The size coupling of the size of described cavity 12 and light emitting LED lamp 3.Can also be provided with the pin groove 13 of taking in LED pin 5 and the prolongation pin 7 that is connected with conductor pins 21 on the described Switch main body 1, make that described substrate 4 and switch main body 1 are compacter in conjunction with getting.Described conductor pins 21 is one-body molded with capacitive induction layer 2.
As shown in Figure 4, capacitor type touch switch of the present invention is specifically answered example, described capacitor type touch switch be arranged on panel 1 ' and pcb board 2 ' between, wherein LED pin 5 with prolong pin 7 respectively with pcb board 2 ' go up the related circuit that arranges to be connected.When finger during near capacitor type touch switch, finger has touched 1 ' time of capacitor type touch switch panel, produce inductance capacitance between finger and the capacitive induction layer 2 by conductor pins 21 or prolong pin 7 and conduct to final control circuit, and it is luminous to control described light emitting LED lamp 3 by this control circuit, this light makes panel 1 ' can see this light by described Switch main body 1 and capacitive induction layer 2, therefore can determine on off state by the luminance of light emitting LED lamp 3.
As shown in Figure 5 and Figure 6, the present invention also proposes another embodiment on the basis of above-described embodiment.
Described capacitor type touch switch comprises the capacitive induction layer 2 of printing opacity on printing opacity Switch main body 1 and the described Switch main body 1 that is laid in, conducting bracket 9 in the form of a ring and the light emitting LED lamp 3 that is electrically connected with contact switch control circuit, the cavity of establishing on this light emitting LED lamp 3 and the Switch main body 1 12 cooperates, wherein, described capacitive induction layer 2 outside are provided with conducting resinl 8, described conducting bracket 9 is fixing with Switch main body 1 by described conducting resinl 8, this conducting resinl 8 comprises ACF (Anisotropic Conductive Film, different orientation conducting resinl), ACP (Anisotropic Conductive Paste, different orientation conductive paste) or ACA (Anisotropic Conductive Adhesive, different orientation conducting resinl) conducting resinl also can be made as the conducting resinl of other material as required; Described Switch main body 1 and capacitive induction layer 2 are light-permeable.Other structure, annexation, operation principle and the technique effect that reaches are same as the previously described embodiments, repeat no more.Described conducting bracket 9 can be made as other shape as required.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (9)
1. the capacitance touching control switch comprises Switch main body, it is characterized in that:
Be provided with the capacitive induction layer of light-permeable at described Switch main body, light emitting LED lamp and capacitive induction layer are electrically connected with contact switch control circuit respectively, the cavity of establishing on this light emitting LED lamp and the Switch main body cooperates, described Switch main body light-permeable, described capacitive induction layer is the sensor film conductor, and this sensor film conductor comprises fixing light transmission film and the conductive layer of stack in order.
2. capacitance touching control switch according to claim 1 is characterized in that:
Described sensor film conductor is arranged with the conductor pins that is electrically connected with conductive layer, and this conductor pins is connected with the circuit that this capacitance touching control switch is controlled.
3. capacitance touching control switch according to claim 1 is characterized in that:
Described capacitance touching control switch also comprises conducting bracket, and this conducting bracket is fixed by the conducting resinl and the Switch main body that are arranged on the described capacitive induction layer outside.
4. capacitance touching control switch according to claim 3 is characterized in that:
Described conducting resinl comprises ACF, ACP or ACA conducting resinl.
5. according to claim 1 or 3 described capacitance touching control switches, it is characterized in that:
Described cavity is positioned at the Switch main body center.
6. capacitance touching control switch according to claim 3 is characterized in that:
Described Switch main body is provided with the stopper slot of taking in conductor pins.
7. capacitance touching control switch according to claim 3 is characterized in that:
Described conducting bracket is arranged with the conductor pins that is electrically connected with the capacitive induction layer in the form of a ring on it, this conductor pins is connected with the circuit that described capacitance touching control switch is controlled.
8. capacitance touching control switch according to claim 7 is characterized in that:
Described light emitting LED lamp is arranged on the substrate, and this substrate and Switch main body are fixed, and it is provided with the LED pin that is electrically connected with light emitting LED lamp and contact switch control circuit, and described Switch main body is provided with the pin groove of taking in described LED pin and lead pin.
9. capacitance touching control switch according to claim 1 is characterized in that:
Described capacitive induction layer comprises light transmission film, be provided with the transparent conducting thin film layer that tin indium oxide with conductive characteristic, tin oxide, zinc oxide or noncrystalline conductive oxide constitute in this light transmission film one side by printing, spraying or vacuum splashing and plating, be provided with silver conductive layer at this transparent conducting thin film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010281324 CN101924544B (en) | 2010-05-12 | 2010-09-02 | Capacitor type touch switch |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010175698 | 2010-05-12 | ||
| CN201010175698.2 | 2010-05-12 | ||
| CN 201010281324 CN101924544B (en) | 2010-05-12 | 2010-09-02 | Capacitor type touch switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101924544A CN101924544A (en) | 2010-12-22 |
| CN101924544B true CN101924544B (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010281324 Expired - Fee Related CN101924544B (en) | 2010-05-12 | 2010-09-02 | Capacitor type touch switch |
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| Country | Link |
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| CN (1) | CN101924544B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355777B (en) * | 2011-09-01 | 2014-06-04 | 叶家森 | Uninterrupted switching circuit and LED (light-emitting diode) lighting circuit using same |
| CN104168009B (en) * | 2013-05-17 | 2018-03-23 | 光宝电子(广州)有限公司 | Light emitting-type touch switch device and light emitting-type touch switch module |
| CN106222942A (en) * | 2016-08-31 | 2016-12-14 | 无锡小天鹅股份有限公司 | Device for clothing processing |
| CN106843586A (en) * | 2017-01-15 | 2017-06-13 | 贵州凌达风电器制造有限公司 | A kind of LED dispaly states touch the touch-screen of one |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201312301Y (en) * | 2008-11-14 | 2009-09-16 | 深圳市君斯达实业有限公司 | Capacitance touch key-press with backlight |
-
2010
- 2010-09-02 CN CN 201010281324 patent/CN101924544B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101924544A (en) | 2010-12-22 |
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Owner name: HUBEI E-CORE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIONG QUANBIN Effective date: 20130829 |
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Denomination of invention: Touch signal acquisition method for capacitive touch switch Effective date of registration: 20160805 Granted publication date: 20130911 Pledgee: Ezhou SME credit Company limited by guarantee Pledgor: E-CORE TECHNOLOGY Co.,Ltd. Registration number: 2016420000032 |
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Denomination of invention: Touch signal acquisition method for capacitive touch switch Effective date of registration: 20180917 Granted publication date: 20130911 Pledgee: Ezhou SME credit Company limited by guarantee Pledgor: E-CORE TECHNOLOGY Co.,Ltd. Registration number: 2018420000047 |
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Denomination of invention: Touch signal acquisition method for capacitive touch switch Effective date of registration: 20190828 Granted publication date: 20130911 Pledgee: Ezhou SME credit Company limited by guarantee Pledgor: E-CORE TECHNOLOGY Co.,Ltd. Registration number: Y2019420000008 |
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