CN204669669U - With the room wall switching circuit of light-operated LED mini light night - Google Patents
With the room wall switching circuit of light-operated LED mini light night Download PDFInfo
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- CN204669669U CN204669669U CN201520348150.1U CN201520348150U CN204669669U CN 204669669 U CN204669669 U CN 204669669U CN 201520348150 U CN201520348150 U CN 201520348150U CN 204669669 U CN204669669 U CN 204669669U
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Abstract
A kind of room wall switching circuit with light-operated LED mini light night, comprise switch, described switch one end is connected to the live wire end of 220V power supply, the other end is connected to the zero line side of 220V power supply through lighting headlight, the first electric capacity is parallel with at lighting headlight two ends, described switch one end second electric capacity connects bridge rectifier diode one end, the switch other end connects the bridge rectifier diode other end, bridge rectifier diode one end is parallel with the 3rd electric capacity and voltage stabilizing didoe, after 3rd electric capacity is connected with bridge rectifier diode respectively with voltage stabilizing didoe one end, other end ground connection, the negative pole end of voltage stabilizing didoe connects one end of the first resistance, the first resistance other end is connected to the series circuit be made up of the first mini light night and the second mini light night, the positive pole of the first mini light night is connected to photo resistance, the photo resistance other end is connected to the base stage of triode, the base stage of triode through the 3rd resistance to ground, the grounded collector of triode, the emitter of triode connects the negative pole of the second mini light night.
Description
Technical field
The utility model relates to lighting technical field, is specifically related to a kind of room wall switching circuit with light-operated LED mini light night.
Background technology
Switch on wall and wall socket use much in household electricity, and home-use electricity is 220V power supply, and switch on wall and socket are all installed on metope, and switch, for controlling the switch of various electrical equipment and illuminating lamp, is powered when socket is and inserts to each electrical equipment.Traditional switch on wall function singleness, can not meet actual needs.
Utility model content
Technical problem to be solved in the utility model is that providing a kind of forms simply, the room wall switching circuit of the band light-operated LED mini light night of economic environmental protection.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of room wall switching circuit with light-operated LED mini light night, comprise K switch 1, described K switch 1 one end is connected to the live wire end L of 220V power supply, the other end is connected to the zero line side N of 220V power supply through lighting headlight LN1, the first electric capacity C1 is parallel with at described lighting headlight LN1 two ends, described K switch 1 one end second electric capacity C2 connects bridge rectifier diode a one end, described K switch 1 other end connects the bridge rectifier diode a other end, described bridge rectifier diode a one end is parallel with the 3rd electric capacity C3 and voltage stabilizing didoe VD1, after described 3rd electric capacity C3 is connected with bridge rectifier diode a respectively with voltage stabilizing didoe VD1 one end, other end ground connection, the negative pole end of described voltage stabilizing didoe VD1 connects one end of the first resistance R1, the described first resistance R1 other end is connected to the series circuit be made up of the first mini light night LED1 and the second mini light night LED2, the positive pole of described first mini light night LED1 is connected to photo resistance VR1, the described photo resistance VR1 other end is connected to the base stage of triode Q1, the base stage of described triode Q1 through the 3rd resistance R3 to ground, the grounded collector of described triode Q1, the emitter of triode Q1 connects the negative pole of the second mini light night LED2.
Described 3rd resistance R3 is below-center offset resistance.
Described bridge rectifier diode a becomes primary Ioops to form by four Diode series, is provided with four connectivity ports.
Operation principle:
When K switch 1 is in closed condition, 220V live wire end L is through second electric capacity C2 one end, N end is connected to one end of bridge rectifier diode a through the first electric capacity C1, bridge rectifier diode a forms bridge rectifier, 220V voltage is through the first electric capacity C1 and the second electric capacity C2 step-down, bridge rectifier diode a rectification, voltage-stabiliser tube VD1 voltage stabilizing, exports 12V voltage and powers to the first mini light night LED1 and the second mini light night LED2 through the first resistance R1 step-down after the second electric capacity C2 filtering; When daytime, light was strong, when light is irradiated to photo resistance VR1, it is very little that photo resistance VR1 resistance becomes, 12V voltage is added to the base stage of triode Q1 through photo resistance VR1, triode Q1 base voltage is made to be in high level, triode Q1 ends, and reach daytime light strong, room does not need mini light night to throw light on.
When that night, glazed thread was very dark, it is very weak that photo resistance VR1 is subject to illuminance, photo resistance VR1 resistance becomes large, triode Q1 base voltage is in low level, triode Q1 conducting, makes the first mini light night LED1 and the second mini light night LED2 obtain electroluminescence, reach and automatically open mini light night evening, daytime automatic distinguishing, energy-saving convenient, installs additional simple.
When lighting headlight LN1 opened by needs, K switch 1 closed, K switch 1 short circuit that the small night lamp circuit in K switch 1 is closed, mini light night can not work automatically yet, reaches and opens lighting headlight LN1.
The beneficial effects of the utility model are: the utility model circuit structure is simple, and practical application effect is good, and transformation is convenient, and cost is low, solves the defect of existing switch on wall function singleness, improves its applicability, reduce use cost, reach energy-conservation object.
Accompanying drawing explanation
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As shown in Figure 1, a kind of room wall switching circuit with light-operated LED mini light night, comprise K switch 1, described K switch 1 one end is connected to the live wire end L of 220V power supply, the other end is connected to the zero line side N of 220V power supply through lighting headlight LN1, the first electric capacity C1 is parallel with at described lighting headlight LN1 two ends, described K switch 1 one end second electric capacity C2 connects bridge rectifier diode a one end, described K switch 1 other end connects the bridge rectifier diode a other end, described bridge rectifier diode a one end is parallel with the 3rd electric capacity C3 and voltage stabilizing didoe VD1, after described 3rd electric capacity C3 is connected with bridge rectifier diode a respectively with voltage stabilizing didoe VD1 one end, other end ground connection, the negative pole end of described voltage stabilizing didoe VD1 connects one end of the first resistance R1, the described first resistance R1 other end is connected to the series circuit be made up of the first mini light night LED1 and the second mini light night LED2, the positive pole of described first mini light night LED1 is connected to photo resistance VR1, the described photo resistance VR1 other end is connected to the base stage of triode Q1, the base stage of described triode Q1 through the 3rd resistance R3 to ground, the grounded collector of described triode Q1, the emitter of triode Q1 connects the negative pole of the second mini light night LED2,
Described 3rd resistance R3 is below-center offset resistance.
Operation principle:
When K switch 1 is in closed condition, 220V live wire end L is through second electric capacity C2 one end, N end is connected to one end of bridge rectifier diode a through the first electric capacity C1, bridge rectifier diode a forms bridge rectifier, 220V voltage is through the first electric capacity C1 and the second electric capacity C2 step-down, bridge rectifier diode a rectification, voltage-stabiliser tube VD1 voltage stabilizing, exports 12V voltage and powers to the first mini light night LED1 and the second mini light night LED2 through the first resistance R1 step-down after the second electric capacity C2 filtering; When daytime, light was strong, when light is irradiated to photo resistance VR1, it is very little that photo resistance VR1 resistance becomes, 12V voltage is added to the base stage of triode Q1 through photo resistance VR1, triode Q1 base voltage is made to be in high level, triode Q1 ends, and reach daytime light strong, room does not need mini light night to throw light on.
When that night, glazed thread was very dark, it is very weak that photo resistance VR1 is subject to illuminance, photo resistance VR1 resistance becomes large, triode Q1 base voltage is in low level, triode Q1 conducting, makes the first mini light night LED1 and the second mini light night LED2 obtain electroluminescence, reach and automatically open mini light night evening, daytime automatic distinguishing, energy-saving convenient, installs additional simple.
When lighting headlight LN1 opened by needs, K switch 1 closed, K switch 1 short circuit that the small night lamp circuit in K switch 1 is closed, mini light night can not work automatically yet, reaches and opens lighting headlight LN1.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the room wall switching circuit with light-operated LED mini light night, comprise switch (K1), described switch (K1) one end is connected to the live wire end (L) of 220V power supply, the other end is connected to the zero line side (N) of 220V power supply through lighting headlight (LN1), it is characterized in that: be parallel with the first electric capacity (C1) at described lighting headlight (LN1) two ends, described switch (K1) one end second electric capacity (C2) connects bridge rectifier diode (a) one end, described switch (K1) other end connects bridge rectifier diode (a) other end, described bridge rectifier diode (a) one end is parallel with the 3rd electric capacity (C3) and voltage stabilizing didoe (VD1), after described 3rd electric capacity (C3) is connected with bridge rectifier diode (a) respectively with voltage stabilizing didoe (VD1) one end, other end ground connection, the negative pole end of described voltage stabilizing didoe (VD1) connects one end of the first resistance (R1), described first resistance (R1) other end is connected to the series circuit be made up of the first mini light night (LED1) and the second mini light night (LED2), the positive pole of described first mini light night (LED1) is connected to photo resistance (VR1), described photo resistance (VR1) other end is connected to the base stage of triode (Q1), the base stage of described triode (Q1) arrives ground through the 3rd resistance (R3), the grounded collector of described triode (Q1), the emitter of triode (Q1) connects the negative pole of the second mini light night (LED2).
2. the room wall switching circuit of band light-operated LED mini light night according to claim 1, is characterized in that: described bridge rectifier diode (a) becomes primary Ioops to form by four Diode series, is provided with four connectivity ports.
3. the room wall switching circuit of band light-operated LED mini light night according to claim 1, is characterized in that: described 3rd resistance (R3) is below-center offset resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348150.1U CN204669669U (en) | 2015-05-26 | 2015-05-26 | With the room wall switching circuit of light-operated LED mini light night |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348150.1U CN204669669U (en) | 2015-05-26 | 2015-05-26 | With the room wall switching circuit of light-operated LED mini light night |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204669669U true CN204669669U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520348150.1U Expired - Fee Related CN204669669U (en) | 2015-05-26 | 2015-05-26 | With the room wall switching circuit of light-operated LED mini light night |
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| Country | Link |
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| CN (1) | CN204669669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902632A (en) * | 2015-05-26 | 2015-09-09 | 刘举柱 | Room wall switch circuit with light-operated LED night light |
-
2015
- 2015-05-26 CN CN201520348150.1U patent/CN204669669U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902632A (en) * | 2015-05-26 | 2015-09-09 | 刘举柱 | Room wall switch circuit with light-operated LED night light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150923 Termination date: 20180526 |