CN87203188U - Push-button switch with seat-indicating - Google Patents
Push-button switch with seat-indicating Download PDFInfo
- Publication number
- CN87203188U CN87203188U CN 87203188 CN87203188U CN87203188U CN 87203188 U CN87203188 U CN 87203188U CN 87203188 CN87203188 CN 87203188 CN 87203188 U CN87203188 U CN 87203188U CN 87203188 U CN87203188 U CN 87203188U
- Authority
- CN
- China
- Prior art keywords
- switch
- button switch
- push
- utility
- 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.)
- Withdrawn
Links
Abstract
The utility model discloses a button switch with a position indication. The button switch is composed of a button switch, a bell, a current-limiting resistance, and an LED. The LED emits light which is used as the indication of the position of the switch. The circuit of the switch is simple. The utility model has the advantages of low power consumption, low cost and easy fabrication. The button switch with a position indication is suitable for continuously working for a long time. The can be used for controlling a doorbell and other occasions whose circuits are switched on and switched off.
Description
The utility model relates to a kind of push switch, is applicable to the occasion of control doorbell and other make-and-break contact.
Existing push switch does not have the position indication, uses extremely inconvenience in the dark.
The purpose of this utility model is to overcome the above-mentioned shortcoming in the prior art, designs a kind of push switch with luminous indication.
The utility model is formed (seeing diagram) by switch and luminous indication two parts.
Description of drawings: push switch line map
1-electric bell 2-switch 3-current-limiting resistance 4-light-emitting diode
Narrate embodiment of the present utility model in conjunction with the accompanying drawings:
The utility model is made of push switch (2) current-limiting resistance (3), light-emitting diode (4).When switch (2) disconnects, electric current is through electric bell (1) current-limiting resistance (3), light-emitting diode (4) forms the loop, and make light-emitting diode send the light indicate as the position of the switch, because electric current is small, electric bell (1) is equivalent to off-position, and for light-emitting diode (4), is equivalent to operating state.When switch (2) was pressed connection, electric current was through electric bell (1), and switch (2) forms the loop, and electric bell (1) is an operating state, and light-emitting diode (4) then is in short circuit and light-emitting diode is extinguished.
Compare with existing push switch, the utility model has the advantage of: can clearly see the switch installation site when using in the dark. The light emitting diode power pole is low, and the life-span is quite long, is adapted to long-term continuous operation, and cost is low, and circuit is simple, is easy to produce.
Claims (1)
1, a kind of push switch with the position indication, by push switch (2), current-limiting resistance (3) is formed, and it is characterized in that adopting light-emitting diode (4) to indicate as the position of the switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87203188 CN87203188U (en) | 1987-04-21 | 1987-04-21 | Push-button switch with seat-indicating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87203188 CN87203188U (en) | 1987-04-21 | 1987-04-21 | Push-button switch with seat-indicating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87203188U true CN87203188U (en) | 1988-06-29 |
Family
ID=4819217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87203188 Withdrawn CN87203188U (en) | 1987-04-21 | 1987-04-21 | Push-button switch with seat-indicating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87203188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100466129C (en) * | 2006-01-26 | 2009-03-04 | 明基电通股份有限公司 | Switch with luminescent function |
-
1987
- 1987-04-21 CN CN 87203188 patent/CN87203188U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100466129C (en) * | 2006-01-26 | 2009-03-04 | 明基电通股份有限公司 | Switch with luminescent function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |