CN204442325U - Single-fire-wire electronic switch - Google Patents
Single-fire-wire electronic switch Download PDFInfo
- Publication number
- CN204442325U CN204442325U CN201520232246.1U CN201520232246U CN204442325U CN 204442325 U CN204442325 U CN 204442325U CN 201520232246 U CN201520232246 U CN 201520232246U CN 204442325 U CN204442325 U CN 204442325U
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- CN
- China
- Prior art keywords
- fire
- photoelectrical coupler
- electronic switch
- control circuit
- wire electronic
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Abstract
The invention provides a kind of single-fire-wire electronic switch.Itself and load are serially connected on 220V civil power, comprise control circuit, rectifier bridge, photoelectrical coupler, diode and electric capacity, two terminals of rectifier bridge are connected on 220V civil power, two other terminals one end ground connection of rectifier bridge, the other end connects the positive pole of diode and an output of photoelectrical coupler, another output head grounding of photoelectrical coupler, the negative pole of diode connects one end of electric capacity and the low-voltage direct forward output of control circuit, the other end ground connection of electric capacity, the low-voltage direct negative sense output head grounding of control circuit, the switch control terminal of an input connection control circuit of photoelectrical coupler, another input end grounding of photoelectrical coupler, wherein, when single-fire-wire electronic switch turns off, switch control terminal output low level, when single-fire-wire electronic switch is connected, switch control terminal exports high level.The present invention can realize single live wire power getting when not changing wire laying mode.
Description
Technical field
The present invention relates to electronic switching technology field, particularly relate to a kind of single-fire-wire electronic switch.
Background technology
Traditional mechanical switch needs user's execute-in-place, can not realize Long-distance Control.For this reason, occurred wireless intelligent switch, this intelligent switch can realize remote control function.But the switch wiring of traditional-family is all a live wire, and the switch bit of this intelligent switch is equipped with zero line and live wire two lines are introduced, so, intelligent switch just can not be installed in renovated house, otherwise just needs rewiring, and user needs to pay significant cost for this reason.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of single-fire-wire electronic switch, can realize single live wire power getting when not changing wire laying mode.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of single-fire-wire electronic switch, described single-fire-wire electronic switch and load are serially connected on 220V civil power, described single-fire-wire electronic switch comprises control circuit, rectifier bridge, photoelectrical coupler, diode and electric capacity, two terminals of described rectifier bridge are connected on 220V civil power, two other terminals one end ground connection of described rectifier bridge, the other end connects the positive pole of diode and an output of photoelectrical coupler, another output head grounding of described photoelectrical coupler, the negative pole of described diode connects one end of electric capacity and the low-voltage direct forward output of control circuit, the other end ground connection of described electric capacity, the low-voltage direct negative sense output head grounding of described control circuit, an input of described photoelectrical coupler connects the switch control terminal of described control circuit, another input end grounding of described photoelectrical coupler, wherein, when described single-fire-wire electronic switch turns off, described switch control terminal output low level, when described single-fire-wire electronic switch is connected, described switch control terminal exports high level.
Be different from the situation of prior art, the invention has the beneficial effects as follows: the rectified action utilizing rectifier bridge, make no matter load whether electric, low-voltage dc power supply can be provided for control circuit, thus single live wire power getting can be realized when not changing wire laying mode.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of embodiment of the present invention single-fire-wire electronic switch.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, is the circuit theory schematic diagram of embodiment of the present invention single-fire-wire electronic switch.Single-fire-wire electronic switch and the load L of the present embodiment are serially connected on 220V civil power.Single-fire-wire electronic switch comprises control circuit S, rectifier bridge Q1, photoelectrical coupler M, diode D1 and electric capacity C1, two terminals of rectifier bridge Q1 are connected on 220V civil power, namely the A in figure, between B node, two other terminals one end ground connection of rectifier bridge Q1, the other end connects the positive pole of diode D1 and an output of photoelectrical coupler M, another output head grounding of photoelectrical coupler M, the negative pole of diode D1 connects one end of electric capacity C1 and the low-voltage direct forward output D of control circuit S, the other end ground connection of electric capacity C1, the low-voltage direct negative sense output C ground connection of control circuit S, the switch control terminal of an input connection control circuit S of photoelectrical coupler M, another input end grounding of photoelectrical coupler M, wherein, when single-fire-wire electronic switch turns off, switch control terminal G output low level, when single-fire-wire electronic switch is connected, switch control terminal G exports high level.
Specifically, photoelectrical coupler M is as the switch of control load L, and photoelectrical coupler M conducting is equivalent to switch and closes, and photoelectrical coupler M cut-off is equivalent to switch and disconnects.
When single-fire-wire electronic switch turns off, switch control terminal G output low level, photoelectrical coupler M ends, now, 220V civil power passes through rectifier bridge Q1 rectification, then, electric current flows through D1, provides low-voltage dc power supply by after electric capacity C1 filtering to control circuit S, has ensured the supply of standby power.
When single-fire-wire electronic switch is connected, switch control terminal G exports high level, photoelectrical coupler M conducting, load L obtains electric and normally works, there is electric current to flow through in load circuit, electric current must be had to flow through rectifier bridge Q1, provide low-voltage dc power supply can to equally control circuit S.
By the way, no matter the single-fire-wire electronic switch of the embodiment of the present invention is in photoelectrical coupler conducting or when ending, low-voltage dc power supply can be provided for control circuit, and because single-fire-wire electronic switch is connected on single live wire, thus single live wire power getting can be realized when not changing wire laying mode.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. a single-fire-wire electronic switch, it is characterized in that, described single-fire-wire electronic switch and load are serially connected on 220V civil power, described single-fire-wire electronic switch comprises control circuit, rectifier bridge, photoelectrical coupler, diode and electric capacity, two terminals of described rectifier bridge are connected on 220V civil power, two other terminals one end ground connection of described rectifier bridge, the other end connects the positive pole of diode and an output of photoelectrical coupler, another output head grounding of described photoelectrical coupler, the negative pole of described diode connects one end of electric capacity and the low-voltage direct forward output of control circuit, the other end ground connection of described electric capacity, the low-voltage direct negative sense output head grounding of described control circuit, an input of described photoelectrical coupler connects the switch control terminal of described control circuit, another input end grounding of described photoelectrical coupler, wherein, when described single-fire-wire electronic switch turns off, described switch control terminal output low level, when described single-fire-wire electronic switch is connected, described switch control terminal exports high level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232246.1U CN204442325U (en) | 2015-04-16 | 2015-04-16 | Single-fire-wire electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520232246.1U CN204442325U (en) | 2015-04-16 | 2015-04-16 | Single-fire-wire electronic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204442325U true CN204442325U (en) | 2015-07-01 |
Family
ID=53610137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520232246.1U Expired - Fee Related CN204442325U (en) | 2015-04-16 | 2015-04-16 | Single-fire-wire electronic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204442325U (en) |
-
2015
- 2015-04-16 CN CN201520232246.1U patent/CN204442325U/en not_active Expired - Fee Related
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1, No. 610041, 10 floor, No. 69, Tianfu Third Street, Chengdu hi tech Zone, Sichuan, 1017 Patentee after: Chengdu wonder Technology Co., Ltd. Address before: 1, No. 610041, 10 floor, No. 69, Tianfu Third Street, Chengdu hi tech Zone, Sichuan, 1017 Patentee before: Chengdu Hu Chu Science and Technology Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20180416 |