CN201752111U - Capacitance type touch switch - Google Patents
Capacitance type touch switch Download PDFInfo
- Publication number
- CN201752111U CN201752111U CN2010201945369U CN201020194536U CN201752111U CN 201752111 U CN201752111 U CN 201752111U CN 2010201945369 U CN2010201945369 U CN 2010201945369U CN 201020194536 U CN201020194536 U CN 201020194536U CN 201752111 U CN201752111 U CN 201752111U
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- China
- Prior art keywords
- film conductor
- main body
- switch
- capacitance touching
- touching control
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Abstract
The utility model belongs to the field of touch switch, and discloses a capacitance type touch switch. A light-permeable switch main body with a hollow cavity for containing an illuminating LED lamp is provided with a light-permeable inductive film conductor. The illuminating LED lamp and the inductive film conductor are electrically connected with a control circuit of the touch switch respectively, therefore, the capacitance change of a capacitor on the inductive film conductor is properly matched with a control circuit when the capacitance type touch switch is operated, and the control circuit is powered on and illuminates when the switch is turned on due to the change of the capacitance type touch capacitance of the LED lamp, the light emitted from the illuminating LED lamp can permeate the switch main body and the inductive film conductor, therefore, the user can more intuitionally prompt the status of the switch by the light of the LED lamp. Due to the structure, the distance between the finger and the induction surface on the inductive film conductor is kept to be nearest, so that the capacitance type touch switch is good in sensitivity and stability at the same inductive area and is hard to have malfunction.
Description
Technical field
The utility model relates to the touch switch technical field, particularly a kind of capacitance touching control 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 is directly proportional and square proportional relation with distance between pole plate area size or pole plate, and wherein, the distance of distance has the greatest impact to capacity, therefore the capacitance touching control switch contacts apart near more with finger, and it is also just good more then to control effect.
Described tablet is a 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 user need be in the action of operation touch switch 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 touch switch more directly perceived whether to move by light, need on the moving structure of existing touch switch, increase the sensitive surface and finger distance of tablet, 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 capacitance touching control switch is reduced, thereby its sensitivity is low, and misoperation takes place poor stability easily; The touch switch of this structure is thicker on the other hand, and volume is bigger, and inconvenient this touch switch is used.
The utility model content
The technical problem that the utility model mainly solves provides a kind of capacitance touching control 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 utility model provides a kind of capacitance touching control switch, this capacitance touching control switch comprises: Switch main body and the sensor film conductor of fixing with this Switch main body, described Switch main body and sensor film conductor are light-permeable, this touch switch also comprises the light emitting LED lamp that is electrically connected with the touch switch control circuit, and the cavity that is provided with on this light emitting LED lamp and the Switch main body cooperates.
Preferably, described cavity is positioned at the Switch main body center.
Preferably, described sensor film conductor comprises fixing transparent membrane and the conductive layer of stack in order.
Preferably, described sensor film conductor dbus crosses the silvery conductive layer or the thin-film conductor layers conducting film is electrically connected with the thin film conductor pin, and this thin film conductor pin is connected with circuit on the described capacitance touching control Switch main body.Preferably, described Switch main body is provided with the stopper slot of taking in described thin film conductor pin.
Preferably, be provided with the sticking body of subsides of one deck printing opacity at described Switch main body and sensor film conductor.
Preferably, the sticking body of described subsides comprises rubberizing.
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 touch switch control circuit.
Preferably, described substrate is fixed by screw or thermosol post and Switch main body.
Preferably, can also be provided with the pin groove of taking in LED pin and the prolongation pin that is connected with the thin film conductor pin on the described Switch main body.
The utility model capacitance touching control switch, on Switch main body, be provided with the sensor film conductor of printing opacity, and on the Switch main body of printing opacity, be provided with the cavity of taking in light emitting LED lamp, because described light emitting LED lamp and sensor film conductor are electrically connected with the touch switch control circuit respectively, when the operating capacitance touch switch, capacitance on the described sensor film conductor changes, and makes this capacitance touching control switch that the capacitance variations on the sense film is conducted to governor circuit and sets the relative circuit of this switch by governor circuit and be in open mode; Suitably disposing electrified light emitting when described light emitting LED lamp is in open mode at the capacitance touching control switch with control circuit; Simultaneously because Switch main body and sensor film conductor light-permeable all, so the user can point out the state of switch more intuitively by the light of light emitting LED lamp when the operating capacitance touch switch.Compared with prior art, when operation, distance remains unchanged between the sensitive surface on finger and the sensor film conductor, at identical induction region capacitance touching control switch sensitivity and good stability, is not easy to take place misoperation; The user can intuitively understand on off state simultaneously, also can reduce misoperation.Simultaneously described light emitting LED lamp is accommodated in the described cavity, thereby makes the thickness of described capacitance touching control switch, can be widely used in various fields, especially the volume size is had the equipment of requirement.
Description of drawings
Fig. 1 is the utility model capacitance touching control switch embodiment assembly structure schematic diagram;
Fig. 2 is the utility model capacitance touching control switch example structure decomposing schematic representation;
Fig. 3 is the utility model Switch main body example structure schematic diagram;
Fig. 4 is that the utility model capacitance touching control switch cooperates schematic diagram with electronic equipment.
Below in conjunction with embodiment, and with reference to accompanying drawing, realization, functional characteristics and the advantage of the utility model purpose is described further.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model provides a kind of capacitance touching control switch embodiment.
Described capacitance touching control switch comprises: Switch main body 1 and the sensor film conductor of fixing with this Switch main body 12, described Switch main body 1 and sensor film conductor 2 are the light-permeable material, this capacitance touching control switch also comprises the light emitting LED lamp 3 that is electrically connected with the touch switch control circuit, the cavity 12 that is provided with on this light emitting LED lamp 3 and the Switch main body 1 cooperates, and wherein said sensor film conductor 2 is the capacitive induction thin film conductor.
Specifically, described sensor film conductor 2 comprises in order transparent membrane and the conductive layer that stack is fixing, and this conductive layer can adopt and contain indium tin oxide target, tin oxide, zinc oxide or other conductive membrane layer with light transmission features and have the opaque conductive layer of ag material in addition as the conducting medium that connects other object.Be arranged with the thin film conductor pin 21 that is electrically connected with the silvery conductive layer on described sensor film conductor 2, this thin film conductor pin 21 is connected with the circuit that described capacitance touching control switch is controlled, and also can one or more film lead-in wires be set according to need; Described sensor film conductor also can directly be electrically connected with the thin film conductor pin by conducting film, and this thin film conductor pin is connected with circuit on the described capacitance touching control Switch main body.Described light emitting LED lamp 3 is arranged on the substrate 4, this substrate 4 is fixing with Switch main body 1, 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 thin film conductor pin 21 that is electrically connected with light emitting LED lamp 3 and touch switch control circuit.Described sensor film conductor 2 is fixed by sticking body 8 of the subsides of printing opacity and described Switch main body 1, and the sticking body of these subsides comprises rubberizing, also can adopt alternate manner to fix according to needing.
When the operating capacitance touch switch, capacitance on the sensor film conductor 2 that the circuit of being controlled by thin film conductor pin 21 and this capacitance touching control switch is connected changes, and makes the change message of this capacitance touching control capacitance be transmitted to the control circuit of rear end.Suitably disposing electrified light emitting when described light emitting LED lamp 3 allows control circuit board learn that this switch should be in open mode in the change of capacitance touching control capacitance with control circuit.Described Switch main body 1 of while and sensor film conductor 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 touch switch.
Compared with prior art, when console switch, this configuration switches makes distance maintenance minimum distance between the sensitive surface on finger and the sensor film conductor, at identical induction region capacitance touching control switch sensitivity and good stability, is not easy to take place misoperation.Simultaneously described light emitting LED lamp 3 is accommodated in the described cavity 12, thereby makes the thickness of described capacitance touching control 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 thin film conductor pin 21, can be so that described thin film conductor pin 21 and switch basis 1 combine compacter.Described light emitting LED lamp 3 can be arranged on the substrate 4 as required, this substrate 4 is fixing by screw 6, thermosol post or other fixed part and Switch main body 1, it is provided with the LED pin 5 that is electrically connected with light emitting LED lamp 3 and touch switch control circuit, the circuit of during use described LED pin 5 and capacitance touching control switch being controlled.Described cavity 12 positions can be provided with 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 thin film conductor pin 21 on the described Switch main body 1, make described substrate 4 combine compactlyer with switch main body 1.
As shown in Figure 4, the utility model capacitance touching control switch is specifically answered example, and described capacitance touching control switch is arranged between panel 9 and the pcb board 10, wherein LED pin 5 with prolong pin 7 and be connected with the related circuit that is provided with on the pcb board 10 respectively.When pointing near the capacitance touching control switch, when finger has touched capacitance touching control switch panel 9, produce inductance capacitance between finger and the sensor film conductor 2 and conduct to final control circuit by thin film conductor pin 21 or prolongation pin 7, and it is luminous to control described light emitting LED lamp 3 by this control circuit, this light makes panel 9 can see this light by described Switch main body 1 and sensor film conductor 2, therefore can determine on off state by the luminance of light emitting LED lamp 3.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; 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 utility model.
Claims (10)
1. the capacitance touching control switch comprises Switch main body and the sensor film conductor of fixing with this Switch main body, it is characterized in that:
Described Switch main body and sensor film conductor are light-permeable, and this touch switch also comprises the light emitting LED lamp that is electrically connected with the touch switch control circuit, and the cavity of establishing on this light emitting LED lamp and the Switch main body cooperates.
2. capacitance touching control switch according to claim 1 is characterized in that:
Described cavity is positioned at the Switch main body center.
3. capacitance touching control switch according to claim 1 and 2 is characterized in that:
Described sensor film conductor comprises fixing transparent membrane and the conductive layer of stack in order.
4. capacitance touching control switch according to claim 3 is characterized in that:
Described sensor film conductor dbus crosses the silvery conductive layer or the thin-film conductor layers conducting film is electrically connected with the thin film conductor pin, and this thin film conductor pin is connected with circuit on the described capacitance touching control Switch main body.
5. capacitance touching control switch according to claim 4 is characterized in that:
Described Switch main body is provided with the stopper slot of taking in described thin film conductor pin.
6. capacitance touching control switch according to claim 4 is characterized in that:
Be provided with the sticking body of subsides of one deck printing opacity at described Switch main body and sensor film conductor.
7. capacitance touching control switch according to claim 6 is characterized in that:
The sticking body of described subsides comprises rubberizing.
8. capacitance touching control switch according to claim 1 and 2 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 touch switch control circuit.
9. capacitance touching control switch according to claim 8 is characterized in that:
Described substrate is fixed by screw or thermosol post and Switch main body.
10. capacitance touching control switch according to claim 8 is characterized in that:
Can also be provided with the pin groove of taking in LED pin and the prolongation pin that is connected with the thin film conductor pin on the described Switch main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201945369U CN201752111U (en) | 2010-05-12 | 2010-05-12 | Capacitance type touch switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201945369U CN201752111U (en) | 2010-05-12 | 2010-05-12 | Capacitance type touch switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201752111U true CN201752111U (en) | 2011-02-23 |
Family
ID=43602520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201945369U Expired - Fee Related CN201752111U (en) | 2010-05-12 | 2010-05-12 | Capacitance type touch switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201752111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103547335A (en) * | 2013-03-20 | 2014-01-29 | 华为终端有限公司 | Capacitive switch, signal transmitting receiving device and manufacturing method |
-
2010
- 2010-05-12 CN CN2010201945369U patent/CN201752111U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103547335A (en) * | 2013-03-20 | 2014-01-29 | 华为终端有限公司 | Capacitive switch, signal transmitting receiving device and manufacturing method |
| WO2014146264A1 (en) * | 2013-03-20 | 2014-09-25 | 华为终端有限公司 | Capacitive switch, signal receiving and sending device, and manufacturing method |
| US8907720B2 (en) | 2013-03-20 | 2014-12-09 | Huawei Device Co., Ltd. | Capacitive switch, apparatus for transceiving signal, and manufacturing method thereof |
| CN103547335B (en) * | 2013-03-20 | 2016-05-25 | 华为终端有限公司 | Capacitance-type switch, signal receiving/transmission device and manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUBEI HENGYINGCHAO TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIONG QUANBIN Effective date: 20111026 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 430000 EZHOU, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20111026 Address after: 430000 Ezhou City, Hubei Province Lake Zone revitalization Road No. 168 Patentee after: E-CORE Technology Co., Ltd. Address before: 518000, A517, two Bagua Road, Shenzhen, Guangdong, Futian District Patentee before: Xiong Quanbin |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110223 Termination date: 20170512 |