CN209201049U - Capacitive touch switch with metal material - Google Patents
Capacitive touch switch with metal material Download PDFInfo
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- CN209201049U CN209201049U CN201822248192.4U CN201822248192U CN209201049U CN 209201049 U CN209201049 U CN 209201049U CN 201822248192 U CN201822248192 U CN 201822248192U CN 209201049 U CN209201049 U CN 209201049U
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- capacitive touch
- diaphragm
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- metal material
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Abstract
The utility model discloses the capacitive touch switches for having metal material, including key circuit, lower electrode, diaphragm, layers of two-sided, top electrode and protective film, key circuit upper end offers the first half slots, lower electrode is provided in the first half slots, diaphragm is equipped with above key circuit, layers of two-sided is equipped between diaphragm and key circuit, layers of two-sided offers the second half slots close to lower electrode side, the utility model relates to have the capacitive touch switch of metal material, conductive material is covered on the electrode of capacitor key and realizes Trigger Function, make capacitance switch with sense of touch, when finger pushes shrapnel, the deformation of elastic slice causes the variation of two electrode spacings, the increase of capacitance is driven, IC reduces the charging time of parasitic capacitance, outlet time change, and then recognize signal, trigger key, it is visually impaired same Such switch can be used in will, solves the problems, such as capacitive touch switch because surface has false triggering caused by spot and water droplet or operation insensitive.
Description
Technical field
The utility model relates to belong to capacitance switch technical field, the capacitive touch switch of metal material is specially had.
Background technique
There can not be metal cladding in traditional capacitor type touch switch structure.And product has sewage or surrounding on surface
There are in the environment of magnetic field, it may appear that the generation for the bad phenomenons such as false triggering or operation are insensitive, problem of the existing technology
Point:
1: the IC chip of the compound one layer of metal covering routine of capacitor type touch switch can not identify to be brought after finger touches
Capacitance variations, and then can not respond.How to solve IC and software debugging is extremely important；
2: how to design electrode and selection material, guarantee the sensitivity of product, solve elastic slice itself in manufacturing process and bring
Signal interference problem.
Utility model content:
The purpose of this utility model is that solve the above-mentioned problems and provides the capacitance touch with metal material and open
Close, solve existing capacitive touch switch can not identify finger touch after bring capacitance variations and easily occur false triggering or
The problem of operating the bad phenomenons such as insensitive.
To solve the above-mentioned problems, the utility model provides a kind of technical solution: the capacitance touch with metal material
Switch, including key circuit, lower electrode, diaphragm, layers of two-sided, top electrode and protective film, the key circuit upper end offer
The first half slots are provided with lower electrode in the first half slot, are equipped with diaphragm, the diaphragm and key wire above the key circuit
It is equipped with layers of two-sided between road, the layers of two-sided offers the second half slots close to lower electrode side, the second half slot and the
Overlapping line of the half slot specification unanimously about the first half slots and the second half slots does axial symmetry distribution, and the diaphragm upper end is equipped with and powers on
Pole, the top electrode upper end are coated with layer protecting film
Preferably, the protective film fits closely design close to top electrode side and top electrode.
Preferably, the layers of two-sided includes base cloth layer and two layers of glue layer, the base cloth layer two sides are respectively coated
There is glue layer.
Preferably, the lower slot electrode of the first half slot and the second half slot compositions is adapted to design with lower electrode completely.
Preferably, the diaphragm is made of PET material, the protective film is made of opp Protective coatings.
Preferably, the surface of lower electrode is arranged in the top electrode.
The beneficial effects of the utility model are: being summarized the utility model relates to have the capacitive touch switch of metal material
Have the characteristics that after concluding following:
1. conductive material being covered on the electrode of capacitor key and realizing Trigger Function；
2. making capacitance switch with sense of touch, when finger pushes shrapnel, the deformation of elastic slice causes two electrode spacings
Variation, driven the increase of capacitance, IC reduces the charging time of parasitic capacitance, outlet time change, and then identifies
To signal, key is triggered；
3. such switch can be used in comrade visually impaired；
4. solving capacitive touch switch because there is false triggering caused by spot and water droplet on surface or operates insensitive ask
Topic.
Detailed description of the invention:
The present invention is described in detail by the following detailed description and drawings for ease of explanation,.
Fig. 1 is the overall structure diagram of the utility model.
In figure: 1, key circuit；2, the first half slots；3, lower electrode；4, diaphragm；5, layers of two-sided；6, the second half slots；7, on
Electrode；8, protective film；9, base cloth layer；10, glue layer.
Specific embodiment:
As shown in Figure 1, present embodiment uses following technical scheme:
Capacitive touch switch with metal material, including key circuit 1, lower electrode 3, diaphragm 4, layers of two-sided 5, power on
Pole 7 and protective film 8,1 upper end of key circuit offer the first half slots 2, are provided with lower electrode 3, institute in the first half slot 2
It states and is equipped with diaphragm 4 above key circuit 1, layers of two-sided 5, the layers of two-sided 5 are equipped between the diaphragm 4 and key circuit 1
The second half slots 6 are offered close to lower 3 side of electrode, and the second half slot 6 is consistent with the first half 2 specifications of slot about the first half slots 2
Axial symmetry distribution is done with the overlapping line of the second half slots 6,4 upper end of diaphragm is equipped with top electrode 7,7 upper end of the top electrode coating
There is layer protecting film 8, the protective film 8 fits closely design close to 7 side of top electrode and top electrode 7.
Wherein, the layers of two-sided 5 includes base cloth layer 9 and two layers of glue layer 10, and 9 two sides of base cloth layer are respectively coated
There is glue layer 10.
Wherein, the lower slot electrode that the first half slot 2 and the second half slots 6 form with lower electrode 3 is complete is adapted to design.
Wherein, the diaphragm 4 is made of PET material, and the protective film 8 is made of opp Protective coatings.
Wherein, the surface of lower electrode 3 is arranged in the top electrode 7.
The use state of the utility model are as follows: this with metal material capacitive touch switch structure on common capacitor
Switch is compared, and is designed one layer of top electrode 7 more, is separated between top electrode 7 and lower electrode 3 using the diaphragm 4 of transparent PET material,
Have the advantages that in actual effect several:
1. conductive material being covered on the electrode of capacitor key and realizing Trigger Function；
2. making capacitance switch with sense of touch, when finger pushes shrapnel, the deformation of elastic slice causes two electrode spacings
Variation, driven the increase of capacitance, IC reduces the charging time of parasitic capacitance, outlet time change, and then identifies
To signal, key is triggered；
3. such switch can be used in comrade visually impaired；
4. solving capacitive touch switch because there is false triggering caused by spot and water droplet on surface or operates insensitive ask
Topic.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. having the capacitive touch switch of metal material, which is characterized in that including key circuit (1), lower electrode (3), diaphragm
(4), layers of two-sided (5), top electrode (7) and protective film (8), key circuit (1) upper end offer the first half slots (2), institute
State and be provided with lower electrode (3) in the first half slots (2), be equipped with diaphragm (4) above the key circuit (1), the diaphragm (4) with press
Layers of two-sided (5) are equipped between key route (1), the layers of two-sided (5) offers the second half slots close to lower electrode (3) side
(6), the second half slot (6) the overlapping line about the first half slots (2) and the second half slots (6) consistent with the first half slot (2) specifications
Axial symmetry distribution is done, diaphragm (4) upper end is equipped with top electrode (7), and top electrode (7) upper end is coated with layer protecting film
(8).
2. the capacitive touch switch according to claim 1 with metal material, it is characterised in that: the protective film (8)
Design is fitted closely close to top electrode (7) side and top electrode (7).
3. the capacitive touch switch according to claim 1 with metal material, it is characterised in that: the layers of two-sided
It (5) include base cloth layer (9) and two layers of glue layer (10), glue layer (10) have been respectively coated in base cloth layer (9) two sides.
4. the capacitive touch switch according to claim 1 with metal material, it is characterised in that: the first half slot
(2) and the lower slot electrode of the second half slots (6) composition is adapted to design completely with lower electrode (3).
5. the capacitive touch switch according to claim 1 with metal material, it is characterised in that: the diaphragm (4) is
PET material is made, and the protective film (8) is made of opp Protective coatings.
6. the capacitive touch switch according to claim 1 with metal material, it is characterised in that: the top electrode (7)
Surface in lower electrode (3) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822248192.4U CN209201049U (en) | 2018-12-29 | 2018-12-29 | Capacitive touch switch with metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822248192.4U CN209201049U (en) | 2018-12-29 | 2018-12-29 | Capacitive touch switch with metal material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209201049U true CN209201049U (en) | 2019-08-02 |
Family
ID=67430749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822248192.4U Active CN209201049U (en) | 2018-12-29 | 2018-12-29 | Capacitive touch switch with metal material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209201049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450428A (en) * | 2018-12-29 | 2019-03-08 | 无锡市科虹标牌有限公司 | Capacitive touch switch with metal material |
-
2018
- 2018-12-29 CN CN201822248192.4U patent/CN209201049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450428A (en) * | 2018-12-29 | 2019-03-08 | 无锡市科虹标牌有限公司 | Capacitive touch switch with metal material |
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