CN201571036U - Novel touch electrode for domestic appliance - Google Patents
Novel touch electrode for domestic appliance Download PDFInfo
- Publication number
- CN201571036U CN201571036U CN2009201965590U CN200920196559U CN201571036U CN 201571036 U CN201571036 U CN 201571036U CN 2009201965590 U CN2009201965590 U CN 2009201965590U CN 200920196559 U CN200920196559 U CN 200920196559U CN 201571036 U CN201571036 U CN 201571036U
- Authority
- CN
- China
- Prior art keywords
- touch electrode
- silver slurry
- novel touch
- silver paste
- electrical appliance
- 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 - Lifetime
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Abstract
The utility model relates to a novel touch electrode for a domestic appliance. The novel touch electrode comprises a flexible PCB substrate (1), a silver paste membrane circuit and a PCB interface (5), wherein the silver paste membrane circuit is printed on the flexible PCB substrate (1) according to the positions of keys, comprises silver paste keys (2) and silver paste wires (3) and is connected with the PCB interface (5). The utility model overcomes the defects of the prior art that the assembling of metal keys is trivial and the cost is high, uses conductive silver paste to realize touch screen control, and has the advantages of simple assembling, low cost and simple and explicit man-machine communication interface.
Description
Technical field
The utility model belongs to household appliance technical field, relates in particular to the touch key-press on the household electrical appliance guidance panel.
Background technology
Most appliance design for pursuing attractive in appearance and practicality, adopt the interface of touch key-press mode as the man-machine communication, because its water resistance is good, convenient and swift, firmly get vast consumption liking all.
Touch key-press is to utilize the induction by current of human body to carry out work, when finger touch to magnetic sheet during key icon, the metal electrode on the electromagnetic oven control panel and the electric field of human body form a coupling capacitance, for high-frequency current, electric capacity is direct conductor, so finger siphons away a very little electric current from metal electrode, the intelligent chip in the electrical appliance has judged whether that according to the transformation of voltage on the electrode key presses, and realizes function controlling.
In the existing household electrical appliance, touch electrode all adopts sheet metal or metal spring to realize forming electric capacity with people's bulk electric field, and this mode is assembled numerous rope, and unit price is higher.And spring and sheet metal all can not be done printing opacity and handle, and the function display lamp can only be contained in the position beyond the button, show clearly inadequately, cause misoperation easily.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned shortcoming of existing metal electrode, provides a kind of assembling that can be applicable to household electrical appliance simple, low cost, and the simple clear and definite novel touch electrode of man-machine communication circle of household electrical appliance,
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of household electrical appliance novel touch electrode, it is characterized in that comprising the flexible PCB base material, be printed on silver slurry thin film circuit and PCB interface on the flexible PCB base material with key position, silver slurry thin film circuit comprises silver slurry button and silver slurry lead bar, and silver slurry thin film circuit links to each other with the PCB interface.
Further, for ease of operation, silver slurry button is positioned at the zone with corresponding lettering or pattern.
The lettering and the pattern of described silver slurry key area are transparent or anti-transparent.
For prolonging the useful life of touch electrode, prevent that water smoke from corroding, the edge around the touch electrode of the present utility model is provided with sealant layer.
The utility model is compared existing touch electrode, and its beneficial effect shows that mainly utility model is convenient to assembling, can do the back transmission display button, reduces misoperation and long service life.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Shown in Figure 1 of the present utility model
A kind of household electrical appliance novel touch battery lead plate, comprise flexible PCB base material 1, silver slurry thin film circuit and PCB interface 5, the silver slurry is printed on the flexible PCB base material 1 by certain rule, and the silver slurry forms silver slurry button 2 and silver slurry lead 3, and silver slurry thin film circuit links to each other with PCB interface 5.
When packing complete machine into, the touch electrode plate closely pastes mutually with the household electrical appliance panel, and the PCB interface 5 of touch electrode plate is connected with the household electrical appliance control board.
When pointing, form electric capacity between below silver slurry button and the human body near household electrical appliance panel button position.Voltage on the silver slurry button changes, and this voltage is passed to the intelligent chip of control by silver slurry lead and pcb board interface, and chip is made corresponding control and treatment according to the variation of voltage.
The panel material can be crystallite plate, magnetic sheet, glassware, plasthetics such as PVC.Panel is transparent or semitransparent material.
Lettering or pattern can be done in silver slurry key area 4, and transparent lettering or anti-saturating the processing can be done in silver slurry button 2 inside, as shown in Figure 1, control board be contained in electrode under, indicator light can illuminate the pattern or the lettering of silver slurry button 2, is used to indicate the user to operate.
Claims (4)
1. household electrical appliance novel touch electrode, it is characterized in that comprising flexible PCB base material (1), be printed on silver slurry thin film circuit and PCB interface (5) on the flexible PCB base material (1) with key position, silver slurry thin film circuit comprises silver slurry button (2) and silver slurry lead bar (3), and silver slurry thin film circuit links to each other with PCB interface (5).
2. household electrical appliance novel touch electrode according to claim 1 is characterized in that silver slurry button (2) is positioned at the zone with corresponding lettering or pattern.
3. household electrical appliance novel touch electrode according to claim 2 is characterized in that the lettering of silver slurry key area and pattern are transparent or anti-transparent.
4. household electrical appliance novel touch electrode according to claim 2 is characterized in that the edge around the described touch electrode is provided with sealant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201965590U CN201571036U (en) | 2009-09-21 | 2009-09-21 | Novel touch electrode for domestic appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201965590U CN201571036U (en) | 2009-09-21 | 2009-09-21 | Novel touch electrode for domestic appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201571036U true CN201571036U (en) | 2010-09-01 |
Family
ID=42663337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201965590U Expired - Lifetime CN201571036U (en) | 2009-09-21 | 2009-09-21 | Novel touch electrode for domestic appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201571036U (en) |
-
2009
- 2009-09-21 CN CN2009201965590U patent/CN201571036U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100901 |