CN203038024U - Double-key touch switch - Google Patents
Double-key touch switch Download PDFInfo
- Publication number
- CN203038024U CN203038024U CN 201220707941 CN201220707941U CN203038024U CN 203038024 U CN203038024 U CN 203038024U CN 201220707941 CN201220707941 CN 201220707941 CN 201220707941 U CN201220707941 U CN 201220707941U CN 203038024 U CN203038024 U CN 203038024U
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- CN
- China
- Prior art keywords
- touch
- double
- utility
- relay
- model
- 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
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Abstract
The utility model discloses a double-key touch switch, which comprises a 555 time-base circuit which is respectively connected with an ''on'' touch piece, an ''off'' touch piece and a relay. The relay is connected with an apparatus. As the double-key touch switch provided by the utility model is equipped with two touch pieces, namely the ''on'' touch piece and the ''off'' touch piece, the touch pieces can be pressed when in use, thus avoiding accidents caused by dimness of the on-off state of the apparatus.
Description
Technical field
The utility model belongs to the switching technique field, is specifically related to a kind of pair of key soft-touch control.
Background technology
Nowadays, in the factory building of factory, also exist the instrument that much needs switch control, the switch of these instruments all adopts the singly-bound switch usually.Yet the singly-bound switch causes mishap easily because do not indicate, to people's productive life formation obstruction and influence.
Summary of the invention
The purpose of this utility model provides a kind of pair of key soft-touch control, solved the problem that the singly-bound switch causes mishap easily.
The technical scheme that the utility model adopts is: two key soft-touch controls, comprise 555 time base circuits, and 555 time base circuits touch sheet with " opening " respectively, " pass " touches sheet and relay links to each other, and relay links to each other with instrument.
The beneficial effects of the utility model are: the two key soft-touch controls of the utility model are provided with " opening " and " pass " two and touch sheet, and which using, which is pressed, and the mishap of having avoided causing because not knowing the instrument switch state takes place.
Description of drawings
Fig. 1 is the catenation principle block diagram of the two key soft-touch controls of the utility model.
Among the figure, 1. instrument, 2. relay, 3.555 time base circuits 4. " are opened " and are touched sheet, 5. " passs " touch sheet.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The utility model provides a kind of pair of key soft-touch control, as shown in Figure 1, comprises that 555 time base circuits, 3,555 time base circuits 3 touch sheet 4 with " opening " respectively, " pass " touches sheet 5 and relay 2 links to each other, and relay 2 links to each other with instrument 1.
During use, need start instrument and then touch sheet 4 by " opening ", then touch sheet 5 by " pass " in the time of need closing instrument.
Like this, just can not be because of forgetting or not knowing and mishap that careless switch instrument causes takes place.Thereby, brought convenience and safety to production work.
Claims (1)
1. two key soft-touch controls, it is characterized in that: comprise 555 time base circuits (3), described 555 time base circuits (3) touch sheet (4) with " opening " respectively, " pass " touches sheet (5) and relay (2) links to each other, and described relay (2) links to each other with instrument (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220707941 CN203038024U (en) | 2012-12-19 | 2012-12-19 | Double-key touch switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220707941 CN203038024U (en) | 2012-12-19 | 2012-12-19 | Double-key touch switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203038024U true CN203038024U (en) | 2013-07-03 |
Family
ID=48690131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220707941 Expired - Fee Related CN203038024U (en) | 2012-12-19 | 2012-12-19 | Double-key touch switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203038024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106604465A (en) * | 2016-12-15 | 2017-04-26 | 施慧 | LED desk lamp based on double-key touch control |
-
2012
- 2012-12-19 CN CN 201220707941 patent/CN203038024U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106604465A (en) * | 2016-12-15 | 2017-04-26 | 施慧 | LED desk lamp based on double-key touch control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131219 |