CN104902632A - Room wall switch circuit with light-operated LED night light - Google Patents
Room wall switch circuit with light-operated LED night light Download PDFInfo
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- CN104902632A CN104902632A CN201510275917.7A CN201510275917A CN104902632A CN 104902632 A CN104902632 A CN 104902632A CN 201510275917 A CN201510275917 A CN 201510275917A CN 104902632 A CN104902632 A CN 104902632A
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Abstract
A room wall switch circuit with a light-operated LED night light comprises a switch, of which one end is connected with a live wire end of a 220v power supply, and the other end is connected to the zero line end of the 220v power supply via a large lighting lamp. First capacitors are parallelly connected to the two ends of the large lighting lamp. One end of the switch is connected to one end of a bridge type rectifier diode via a second capacitor, and the other end of the switch is connected with the other end of the bridge type rectifier diode. A third capacitor and a Zener diode are parallelly connected to one end of the bridge type rectifier diode. After one end of the third capacitor and one end of the Zener diode are parallelly connected to the bridge type rectifier diode, the other ends of the third capacitor and the Zener diode are grounded. The cathode of the Zener diode is connected with one end of a first resistor, and the other end of the first resistor is connected with a serial circuit formed by a first night light and a second night light. A photoresistor is connected to the anode of the first resistor, the other end of the photoresistor is connected to the base electrode of a triode, and the base electrode of the triode is grounded via a third resistor. The collector electrode of the triode is grounded, and the emitter electrode of the triode is connected with the cathode of the second night light.
Description
Technical field
The present invention relates to lighting technical field, be 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.
Summary of the invention
Technical problem to be solved by this invention 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 by this invention 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 invention has the beneficial effects as follows: circuit structure of the present invention is simple, and practical application effect is good, transformation is convenient, and cost is low, solves the defect of existing switch on wall function singleness, improves its applicability, reduces use cost, reaches energy-conservation object.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention 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 invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range 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 |
|---|---|---|---|
| CN201510275917.7A CN104902632A (en) | 2015-05-26 | 2015-05-26 | Room wall switch circuit with light-operated LED night light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510275917.7A CN104902632A (en) | 2015-05-26 | 2015-05-26 | Room wall switch circuit with light-operated LED night light |
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| Publication Number | Publication Date |
|---|---|
| CN104902632A true CN104902632A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510275917.7A Pending CN104902632A (en) | 2015-05-26 | 2015-05-26 | Room wall switch circuit with light-operated LED night light |
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| Country | Link |
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| CN (1) | CN104902632A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105357824A (en) * | 2015-11-20 | 2016-02-24 | 六安市同心畅能电子科技有限公司 | Wall switch with touch-on delayed-off LED small night lamp |
| CN105357821A (en) * | 2015-11-10 | 2016-02-24 | 刘举柱 | Corridor lamp touch delay energy-saving switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831543Y (en) * | 2005-09-08 | 2006-10-25 | 梅庆周 | Small night lamp-type switching panel |
| CN201310786Y (en) * | 2008-09-19 | 2009-09-16 | 盛法顺 | Optical controlled diode energy saving small night lamp with decorative sheet |
| CN204119602U (en) * | 2014-09-03 | 2015-01-21 | 刘举柱 | A kind of room wall light switch circuit adding LED night lamp |
| CN204669669U (en) * | 2015-05-26 | 2015-09-23 | 刘举柱 | With the room wall switching circuit of light-operated LED mini light night |
-
2015
- 2015-05-26 CN CN201510275917.7A patent/CN104902632A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831543Y (en) * | 2005-09-08 | 2006-10-25 | 梅庆周 | Small night lamp-type switching panel |
| CN201310786Y (en) * | 2008-09-19 | 2009-09-16 | 盛法顺 | Optical controlled diode energy saving small night lamp with decorative sheet |
| CN204119602U (en) * | 2014-09-03 | 2015-01-21 | 刘举柱 | A kind of room wall light switch circuit adding LED night lamp |
| CN204669669U (en) * | 2015-05-26 | 2015-09-23 | 刘举柱 | With the room wall switching circuit of light-operated LED mini light night |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105357821A (en) * | 2015-11-10 | 2016-02-24 | 刘举柱 | Corridor lamp touch delay energy-saving switch |
| CN105357821B (en) * | 2015-11-10 | 2018-02-27 | 刘举柱 | Corridor lamp touches time-delaying energy-saving switch |
| CN105357824A (en) * | 2015-11-20 | 2016-02-24 | 六安市同心畅能电子科技有限公司 | Wall switch with touch-on delayed-off LED small night lamp |
| CN105357824B (en) * | 2015-11-20 | 2018-02-13 | 六安市同心畅能电子科技有限公司 | With the switch on wall for touching the LED night lamp for opening delay pass |
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Application publication date: 20150909 |
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