CN109450428A - Capacitive touch switch with metal material - Google Patents
Capacitive touch switch with metal material Download PDFInfo
- Publication number
- CN109450428A CN109450428A CN201811633536.1A CN201811633536A CN109450428A CN 109450428 A CN109450428 A CN 109450428A CN 201811633536 A CN201811633536 A CN 201811633536A CN 109450428 A CN109450428 A CN 109450428A
- Authority
- CN
- China
- Prior art keywords
- capacitive touch
- diaphragm
- electrode
- metal material
- layers
- 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.)
- Pending
Links
- 239000007769 metal material Substances 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 3
- 239000011253 protective coating Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 abstract description 3
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 230000003071 parasitic effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/96—Touch switches
- H03K2217/9607—Capacitive touch switches
- H03K2217/960755—Constructional details of capacitive touch and proximity switches
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The invention 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 present invention relates to the capacitive touch switches for having 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, comrade visually impaired can make With such switch, 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 present invention relates to capacitance switch technical field is belonged to, 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 bring electricity after finger touch
Hold variation, 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 bring letter in manufacturing process
Number interference problem.
Summary of the invention
The object of the invention is that the capacitive touch switch for having metal material is provided to solve the above-mentioned problems, solution
Existing capacitive touch switch of having determined can not identify bring capacitance variations after finger touches and easily false triggering or operation occurs
The problem of bad phenomenons such as insensitive.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions: the capacitive touch switch with metal material,
Including key circuit, lower electrode, diaphragm, layers of two-sided, top electrode and protective film, the key circuit upper end offers the first half
Slot is provided with lower electrode in the first half slot, diaphragm is equipped with above the key circuit, between the diaphragm and key circuit
Equipped with layers of two-sided, the layers of two-sided offers the second half slots close to lower electrode side, the second half slot and the first half slots
Overlapping line of the specification unanimously about the first half slots and the second half slots does axial symmetry distribution, and the diaphragm upper end is equipped with top electrode, institute
Top electrode upper end is stated 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 present invention are: the present invention relates to the capacitive touch switch for having metal material, after summary and induction
Have the characteristics that 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 the change of two electrode spacings
Change, driven the increase of capacitance, IC reduces the charging time of parasitic capacitance, outlet time change, and then recognizes letter
Number, trigger key；
3. such switch can be used in comrade visually impaired；
4. solving the problems, such as capacitive touch switch because surface has false triggering caused by spot and water droplet or operation insensitive.
Detailed description of the invention
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is overall structure diagram of the invention.
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, top electrode 7
With protective film 8,1 upper end of key circuit offers the first half slots 2, is provided with lower electrode 3 in the first half slot 2, described
It is equipped with diaphragm 4 above key circuit 1, layers of two-sided 5 is equipped between the diaphragm 4 and key circuit 1, the layers of two-sided 5 is leaned on
Closely lower 3 side of electrode offers the second half slots 6, the second half slot 6 it is consistent with the first half 2 specifications of slot about the first half slots 2 and
The overlapping line of the second half slots 6 does axial symmetry distribution, and 4 upper end of diaphragm is equipped with top electrode 7, and 7 upper end of top electrode is coated with
Layer protecting film 8, the protective film 8 fit 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.
Use state of the invention are as follows: this with metal material capacitive touch switch structure on common capacitance switch
It compares, designs one layer of top electrode 7 more, separated between top electrode 7 and lower electrode 3 using the diaphragm 4 of transparent PET material, in reality
Effect on have the advantages that it is 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 the change of two electrode spacings
Change, driven the increase of capacitance, IC reduces the charging time of parasitic capacitance, outlet time change, and then recognizes letter
Number, trigger key；
3. such switch can be used in comrade visually impaired；
4. solving the problems, such as capacitive touch switch because surface has false triggering caused by spot and water droplet or operation insensitive.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
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) it is arranged in the surface of lower electrode (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633536.1A CN109450428A (en) | 2018-12-29 | 2018-12-29 | Capacitive touch switch with metal material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811633536.1A CN109450428A (en) | 2018-12-29 | 2018-12-29 | Capacitive touch switch with metal material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109450428A true CN109450428A (en) | 2019-03-08 |
Family
ID=65542154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811633536.1A Pending CN109450428A (en) | 2018-12-29 | 2018-12-29 | Capacitive touch switch with metal material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109450428A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072428A (en) * | 2020-07-13 | 2020-12-11 | 无锡市科虹标牌有限公司 | Pressing process of metal contact pin for touch film connector |
| CN112104351A (en) * | 2020-09-03 | 2020-12-18 | Oppo（重庆）智能科技有限公司 | Capacitor key, capacitor key module and electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120228111A1 (en) * | 2011-03-07 | 2012-09-13 | Pacinian Corporation | Capacitive keyswitch technologies |
| CN203706979U (en) * | 2013-12-31 | 2014-07-09 | 上海意力寰宇电路世界有限公司 | Elastic sheet type capacitor touch thin film switch |
| KR20170060525A (en) * | 2015-11-24 | 2017-06-01 | 주식회사 아모센스 | Touch Pressure Sensor |
| CN206894615U (en) * | 2017-07-02 | 2018-01-16 | 厦门市三特兴电子有限公司 | A kind of capacitive sensing thin film switch |
| CN209201049U (en) * | 2018-12-29 | 2019-08-02 | 无锡市科虹标牌有限公司 | Capacitive touch switch with metal material |
-
2018
- 2018-12-29 CN CN201811633536.1A patent/CN109450428A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120228111A1 (en) * | 2011-03-07 | 2012-09-13 | Pacinian Corporation | Capacitive keyswitch technologies |
| CN203706979U (en) * | 2013-12-31 | 2014-07-09 | 上海意力寰宇电路世界有限公司 | Elastic sheet type capacitor touch thin film switch |
| KR20170060525A (en) * | 2015-11-24 | 2017-06-01 | 주식회사 아모센스 | Touch Pressure Sensor |
| CN206894615U (en) * | 2017-07-02 | 2018-01-16 | 厦门市三特兴电子有限公司 | A kind of capacitive sensing thin film switch |
| CN209201049U (en) * | 2018-12-29 | 2019-08-02 | 无锡市科虹标牌有限公司 | Capacitive touch switch with metal material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072428A (en) * | 2020-07-13 | 2020-12-11 | 无锡市科虹标牌有限公司 | Pressing process of metal contact pin for touch film connector |
| CN112072428B (en) * | 2020-07-13 | 2022-02-18 | 无锡市科虹标牌有限公司 | Pressing process of metal contact pin for touch film connector |
| CN112104351A (en) * | 2020-09-03 | 2020-12-18 | Oppo（重庆）智能科技有限公司 | Capacitor key, capacitor key module and electronic device |
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