CN209657280U - The capacitance-type switch of high insulating property between a kind of key - Google Patents
The capacitance-type switch of high insulating property between a kind of key Download PDFInfo
- Publication number
- CN209657280U CN209657280U CN201920244281.3U CN201920244281U CN209657280U CN 209657280 U CN209657280 U CN 209657280U CN 201920244281 U CN201920244281 U CN 201920244281U CN 209657280 U CN209657280 U CN 209657280U
- Authority
- CN
- China
- Prior art keywords
- layer
- ink
- key
- insulating oil
- capacitance
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 25
- 229910052709 silver Inorganic materials 0.000 claims abstract description 25
- 239000004332 silver Substances 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 66
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Push-Button Switches (AREA)
Abstract
The utility model relates to a kind of capacitance-type switch of high insulating property between key, including PC substrate, background color ink layer, primer, insulating oil layer of ink, silver slurry layer, carbon pulp layer；It is followed successively by PC substrate, background color ink layer, insulating oil layer of ink, silver slurry layer, carbon pulp layer from top to bottom；Insulating oil layer of ink, silver slurry layer, on carbon pulp layer three there are several frames of installation key, key is printed on background color ink layer；Primer is sprayed on background color ink layer, and there are a certain distance with insulating oil layer of ink for primer；Primer and insulating oil layer of ink are located on the same floor, and for the extension size of insulating oil layer of ink than silver paste slice width 1.5-2.5mm, the extension size of insulating oil layer of ink is 2.8-3.5mm wider than carbon pulp layer.Background color ink layer, insulating oil layer of ink between the utility model silver slurry layer, carbon pulp layer keep the insulation impedance between product key and key big by increasing the setting of the distance between insulating oil layer of ink, key and key.
Description
Technical field
The utility model relates to a kind of capacitance switch structures, and in particular to one kind is by increasing insulating oil layer of ink, key
The setting of the distance between key, high insulating property between the key for increasing the insulation impedance between product key and key
Capacitance-type switch.
Background technique
Client, in continuous variation, raising, is not only limited to the realization of function, wants to appearance to the design requirement of user interface
Also more fashion is sought, sense of touch is more novel, also puts forward higher requirements to push button longevity and durability.Thin film switch uses condenser type
Touch-control sensing technology has the above advantage as a kind of new-type input mode.But current capacitive touch foil switchs tool
There is certain limitation:
1. being not suitable in the working environment with metal covering.
2. using under radiation or noise circumstance, interference free performance is poor, needs special software.
3. key induced function is poor in the presence of water or other pollutants.
4. the inductive effects of standard capacitance formula touch-control system are poor in the working environment for needing wearing gloves.
Utility model content
In view of the above-mentioned problems, the main purpose of the utility model is to provide one kind by increasing insulating oil layer of ink, key
The setting of the distance between key, high insulating property between the key for increasing the insulation impedance between product key and key
Capacitance-type switch.
The utility model is to solve above-mentioned technical problem by following technical proposals: high-insulativity between a kind of key
Can capacitance-type switch, between the key capacitance-type switch of high insulating property include: PC substrate, background color ink layer, primer,
Insulating oil layer of ink, silver slurry layer, carbon pulp layer.
It is followed successively by PC substrate, background color ink layer, insulating oil layer of ink, silver slurry layer, carbon pulp layer from top to bottom；Insulating oil layer of ink,
There are several frames of installation key on silver slurry layer, carbon pulp layer three, key is printed on background color ink layer.
Primer is sprayed on background color ink layer, and there are a certain distance with insulating oil layer of ink for primer；Primer and dielectric ink
Layer is located on the same floor.
The extension size of insulating oil layer of ink is than silver paste slice width 1.5-2.5mm, and the extension size of insulating oil layer of ink is than carbon pulp layer
Wide 2.8-3.5mm.
In specific embodiment of the utility model, the thickness range of background color ink layer are as follows: 4-8um.
In specific embodiment of the utility model, the thickness range of insulating oil layer of ink are as follows: 4-8um.
In specific embodiment of the utility model, the thickness range of PC substrate are as follows: 0.1-0.3mm.
In specific embodiment of the utility model, the thickness range of silver slurry layer are as follows: 5-10um.
In specific embodiment of the utility model, the thickness range of carbon pulp layer are as follows: 5-10um.
In specific embodiment of the utility model, the distance between frame adjacent in several frames of key model is installed
It encloses are as follows: 5-10mm.
The positive effect of the utility model is: the capacitor of high insulating property between key provided by the utility model
Formula switch, by the way that silver slurry layer, carbon pulp layer to be printed on to the surface of substrate, and the background color ink between silver slurry layer, carbon pulp layer
Layer, insulating oil layer of ink make product key and key by increasing the setting of the distance between insulating oil layer of ink, key and key
Between insulation impedance be greater than 50 megaohms, it is ensured that product quality.
Detailed description of the invention
Fig. 1 is the interlayer structure figure of the structural schematic diagram of the utility model.
Fig. 2 is the rear view of the structural schematic diagram of the utility model.
Fig. 3 is enlarged drawing at the A of Fig. 2.
Specific embodiment
The utility model preferred embodiment is provided, with reference to the accompanying drawing the technical solution of the utility model is described in detail.
Fig. 1 is the interlayer structure figure of the structural schematic diagram of the utility model, and Fig. 2 is the structural schematic diagram of the utility model
Rear view.As shown in the above Fig., between key provided by the utility model high insulating property capacitance-type switch, comprising: PC
Substrate 1, background color ink layer 2, primer 3, insulating oil layer of ink 4, silver slurry layer 5, carbon pulp layer 6.
It is followed successively by PC substrate 1, background color ink layer 2, insulating oil layer of ink, silver slurry layer 1, carbon pulp layer 6 from top to bottom；Dielectric ink
Layer 4, silver slurry layer 5,6 three of carbon pulp layer are upper there are several frames for installing key, and key is printed on background color ink layer 2.Having
In the printing process of body, each layer is tightly sticked together.
Primer 3 is sprayed on background color ink layer 2, and there are a certain distance with insulating oil layer of ink 4 for primer 3；Primer 3 and insulation
Ink layer 4 is located on the same floor.Primer 3 and insulating oil layer of ink 4, silver slurry layer 5 do not have intersection point between carbon pulp layer 6.
The extension size of insulating oil layer of ink 4 is 1.5-2.5mm wider than silver slurry layer 5, and the extension size of insulating oil layer of ink 4 is starched than carbon
6 width 2.8-3.5mm of layer.
In the specific implementation process of the utility model, the thickness range of background color ink layer 2 are as follows: 4-8um.Dielectric ink
The thickness range of layer 4 are as follows: 4-8um.
The thickness range of PC substrate 1 are as follows: 0.1-0.3mm.The distance between frame adjacent in several frames of key is installed
Range are as follows: 5-10mm.The thickness range of silver slurry layer 5 are as follows: 5-10um.The thickness range of carbon pulp layer 6 are as follows: 5-10um.The above parameter
According to specifically requiring range of choice, in the specific implementation process, also can choose other parameters.
The utility model by increasing the setting of the distance between insulating oil layer of ink 4, key and key, make product key with
Insulation impedance between key greatly with 50 megaohms, it is ensured that product quality.
The utility model is starched by the way that silver slurry layer 5, carbon pulp layer 6 to be printed on to the surface of substrate in silver slurry layer 5, carbon
Background color ink layer 2, insulating oil layer of ink 4 between layer 6, by increasing setting for the distance between insulating oil layer of ink 4, key and key
It sets, so that the insulation impedance between product key and key is greater than 50 megaohms, it is ensured that product quality.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention, the utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. the capacitance-type switch of high insulating property between a kind of key, it is characterised in that: high insulating property between the key
Capacitance-type switch includes: PC substrate, background color ink layer, primer, insulating oil layer of ink, silver slurry layer, carbon pulp layer；
It is followed successively by PC substrate, background color ink layer, insulating oil layer of ink, silver slurry layer, carbon pulp layer from top to bottom；Insulating oil layer of ink, silver paste
There are several frames of installation key on layer, carbon pulp layer three, key is printed on background color ink layer；
Primer is sprayed on background color ink layer, and there are distances with insulating oil layer of ink for primer；Primer and insulating oil layer of ink are located at same
Layer,
For the extension size of insulating oil layer of ink than silver paste slice width 1.5-2.5mm, the extension size of insulating oil layer of ink is wider than carbon pulp layer
2.8-3.5mm。
2. the capacitance-type switch of high insulating property between key according to claim 1, it is characterised in that: background color ink layer
Thickness range are as follows: 4-8um.
3. the capacitance-type switch of high insulating property between key according to claim 2, it is characterised in that: insulating oil layer of ink
Thickness range are as follows: 4-8um.
4. the capacitance-type switch of high insulating property between key according to claim 1, it is characterised in that: the thickness of PC substrate
Spend range are as follows: 0.1-0.3mm.
5. the capacitance-type switch of high insulating property between key according to claim 1, it is characterised in that: the thickness of silver slurry layer
Spend range are as follows: 5-10um.
6. the capacitance-type switch of high insulating property between key according to claim 1, it is characterised in that: the thickness of carbon pulp layer
Spend range are as follows: 5-10um.
7. the capacitance-type switch of high insulating property between key according to claim 1, it is characterised in that: install key
The distance between adjacent frame range in several frames are as follows: 5-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244281.3U CN209657280U (en) | 2019-02-26 | 2019-02-26 | The capacitance-type switch of high insulating property between a kind of key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244281.3U CN209657280U (en) | 2019-02-26 | 2019-02-26 | The capacitance-type switch of high insulating property between a kind of key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209657280U true CN209657280U (en) | 2019-11-19 |
Family
ID=68525259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920244281.3U Expired - Fee Related CN209657280U (en) | 2019-02-26 | 2019-02-26 | The capacitance-type switch of high insulating property between a kind of key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209657280U (en) |
-
2019
- 2019-02-26 CN CN201920244281.3U patent/CN209657280U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |