CN204101912U - A kind of Secure isolation touch control circuit - Google Patents
A kind of Secure isolation touch control circuit Download PDFInfo
- Publication number
- CN204101912U CN204101912U CN201420409957.7U CN201420409957U CN204101912U CN 204101912 U CN204101912 U CN 204101912U CN 201420409957 U CN201420409957 U CN 201420409957U CN 204101912 U CN204101912 U CN 204101912U
- Authority
- CN
- China
- Prior art keywords
- touch key
- press
- top layer
- copper foil
- control panel
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- 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.)
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Links
- 238000002955 isolation Methods 0.000 title claims abstract description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000011889 copper foil Substances 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 230000008054 signal transmission Effects 0.000 description 5
- 206010014357 Electric shock Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 206010014405 Electrocution Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
Abstract
The utility model discloses a kind of Secure isolation touch control circuit, comprise touch key-press, control panel, touch key-press signal detection module and processor; Touch key-press is connected with control panel and is fixed on control panel; Control panel is provided with top layer and bottom, top layer and bottom are conductive layer, and top layer and bottom are attached with Copper Foil respectively, are insulation course between top layer and bottom, touch key-press pin is connected with the top layer Copper Foil region immediately below touch key-press, and other region Copper Foils of this region and top layer are not connected; Immediately below touch key-press, other region Copper Foils of region bottom Copper Foil and control panel bottom are not connected, electric capacity is formed between top layer Copper Foil and bottom Copper Foil, bottom Copper Foil is connected to touch key-press signal detection module by control panel bottom wire, and touch key-press signal detection module is connected with processor.The utility model is avoided bringing the potential safety hazards such as electric shock to the person, ensure that personal safety, improves the security feature of washing machine simultaneously and promotes user's experience performance.
Description
Technical field
The utility model relates to washing machine field, refers more particularly to a kind of Secure isolation touch control circuit.
Background technology
In the washing machine control of product circuit of China, the electronic component controlling washing machine corresponding function devices switch has relay and controllable silicon usually, adopts relay control mode comparatively to adopt the height of controllable silicon mode because of cost; Therefore most of producer controls to adopt controllable silicon mode to washing machine functional switch.
Adopt relay control mode to be isolated controlling mode, forceful electric power separates with light current; But adopt controllable silicon mode to control as non-isolated control mode, forceful electric power is with light current non-isolated but be directly connected; Because the conducting of controllable silicon own needs trigger current, the mode generally adopted inside current control circuit of the washing machine is connected with control panel circuit light current 5V by power firestreak, between controllable silicon gate pole (G) and controllable silicon T1 pole, form trigger current loop with this, make controlled silicon conducting.
But adopt non-isolated mode, because live wire is connected with 5V light current, namely contact with live wire when actual persons touches light current, be very easy to cause Danger Electric shock risk; If the common button used, because button handle and electric power loop are that state of insulation can not cause electrocution conditions to occur, if but adopt touch key-press control mode, because touch key-press is that metal material is made, actual being associated with control circuit light current 5V is connected, indirectly make live wire be connected with touch key-press, after people touches touch key-press, be very easy to Danger Electric shock risk occurs.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Secure isolation touch control circuit, can effectively solve the problem making human electric shock because strong and weak electricity is not isolated, ensure that personal safety.
For solving the problems of the technologies described above, the utility model provides a kind of Secure isolation touch control circuit, it is characterized in that, comprises touch key-press, control panel, touch key-press signal detection module and processor; Described touch key-press is connected with control panel and is fixed on control panel; Described control panel is provided with top layer and bottom, described top layer and bottom are conductive layer, described top layer and bottom are attached with Copper Foil respectively, it is insulation course between described top layer and bottom, described touch key-press pin is connected with the top layer Copper Foil region immediately below touch key-press, and other region Copper Foils of this region and top layer are not connected; Immediately below described touch key-press, other region Copper Foils of region bottom Copper Foil and control panel bottom are not connected, and top layer Copper Foil and bottom Copper Foil form electric capacity, and bottom Copper Foil is connected to sensor or chip by control panel bottom wire.After touch key-press has touch, immediately below touch key-press immediately below top layer Copper Foil and touch key-press bottom Copper Foil due to capacity effect, can change touch key-press signal, touch key-press Signal transmissions to touch key-press signal detection module, touch key-press signal detection module by the Signal transmissions that detects to processor.
Preferably, described touch key-press signal detection module is touch key-press signal detection sensor or chip.
Preferably, described touch key-press is capacitance type touch key.
Preferably, described capacitance type touch key adopts metal material to be made.
The beneficial effects of the utility model: in the utility model, the pin of touch key-press is connected with region Copper Foil immediately below control panel top layer touch key-press, and other region Copper Foils of this region and top layer are not connected; Immediately below touch key-press, other region Copper Foils of region bottom Copper Foil and control panel bottom are not connected, and immediately below touch key-press, top layer Copper Foil and bottom Copper Foil form electric capacity, and bottom Copper Foil is connected to sensor or chip by control panel bottom wire.After touch key-press has people to touch, below touch key-press, top layer Copper Foil and bottom Copper Foil are due to capacity effect, can change touch key-press signal, touch key-press Signal transmissions is to touch key-press signal detection sensor or chip, touch key-press signal detection sensor or chip by the Signal transmissions that detects to washing machine processor, processor is according to the touch key-press signal detected, control washing machine completes and washs setting accordingly.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is further described in detail.
Fig. 1 is figure of the present utility model;
In figure: 1-touch key-press, top layer Copper Foil immediately below 2-touch key-press, bottom Copper Foil immediately below 3-touch key-press, 4-control panel; 5-bottom wire, 6-touch key-press signal detection sensor or chip, 7-processor.
Embodiment
As shown in Figure 1, a kind of Secure isolation touch control circuit, comprise touch key-press 1 and control panel 4, touch key-press 1 is fixedly mounted on control panel 4, the pin of touch key-press is connected with top layer Copper Foil 2 immediately below touch key-press with control panel 4, other region Copper Foils of this region and top layer are not connected, immediately below touch key-press, other region Copper Foils of region bottom Copper Foil 3 and control panel bottom are not connected, immediately below touch key-press, immediately below top layer Copper Foil 2 and touch key-press, region bottom Copper Foil 3 forms electric capacity, immediately below touch key-press, region bottom Copper Foil 3 is connected to touch key-press signal detection sensor or chip 6 by the bottom wire 5 on control panel 4.After touch key-press has touch, immediately below touch key-press immediately below top layer Copper Foil 2 and touch key-press region bottom Copper Foil 3 due to capacity effect, the touch key-press signal that can change, touch key-press signal transfers to touch key-press signal detection sensor or chip 6 by control panel 4 upper base layer conductor 5, touch key-press signal detection sensor or chip 6 by the touch key-press Signal transmissions that detects to washing machine processor 7, processor 7 is according to corresponding signal, and control washing machine completes and washs setting accordingly.
The utility model is avoided bringing the potential safety hazards such as electric shock to the person, ensure that personal safety, improves the security feature of washing machine simultaneously and promotes user's experience performance.
It should be noted last that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. a Secure isolation touch control circuit, is characterized in that, comprises touch key-press, control panel, touch key-press signal detection module and processor; Described touch key-press is connected with control panel and is fixed on control panel; Described control panel is provided with top layer and bottom, described top layer and bottom are conductive layer, described top layer and bottom are attached with Copper Foil respectively, it is insulation course between described top layer and bottom, described touch key-press pin is connected with the top layer Copper Foil region immediately below touch key-press, and other region Copper Foils of this region and top layer are not connected; Immediately below described touch key-press, other region Copper Foils of region bottom Copper Foil and control panel bottom are not connected, electric capacity is formed between described top layer Copper Foil and bottom Copper Foil, described bottom Copper Foil is connected to touch key-press signal detection module by control panel bottom wire, and described touch key-press signal detection module is connected with processor.
2. Secure isolation touch control circuit according to claim 1, is characterized in that, described touch key-press signal detection module is touch key-press signal detection sensor or chip.
3. Secure isolation touch control circuit according to claim 1, is characterized in that, described touch key-press is capacitance type touch key.
4. Secure isolation touch control circuit according to claim 3, is characterized in that, described capacitance type touch key adopts metal material to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409957.7U CN204101912U (en) | 2014-07-23 | 2014-07-23 | A kind of Secure isolation touch control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409957.7U CN204101912U (en) | 2014-07-23 | 2014-07-23 | A kind of Secure isolation touch control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204101912U true CN204101912U (en) | 2015-01-14 |
Family
ID=52270325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420409957.7U Active CN204101912U (en) | 2014-07-23 | 2014-07-23 | A kind of Secure isolation touch control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204101912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181824A (en) * | 2014-07-23 | 2014-12-03 | 合肥荣事达三洋电器股份有限公司 | Safety isolating touch control circuit |
-
2014
- 2014-07-23 CN CN201420409957.7U patent/CN204101912U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181824A (en) * | 2014-07-23 | 2014-12-03 | 合肥荣事达三洋电器股份有限公司 | Safety isolating touch control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WHIRLPOOL (CHINA) CO., LTD. Free format text: FORMER NAME: HEFEI RONGSHIDA SANYO ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 230088 Hefei high tech Industrial Development Zone, Anhui, No. L-2 Patentee after: Whirlpool (China) Limited by Share Ltd Address before: 230000 science and technology zone, Hefei, Anhui, No. 96 Patentee before: Hefei Rongshida Sanyo Electric Co., Ltd. |