CN102105012A - Soft start-up device for filament lamp - Google Patents
Soft start-up device for filament lamp Download PDFInfo
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- CN102105012A CN102105012A CN2010105929567A CN201010592956A CN102105012A CN 102105012 A CN102105012 A CN 102105012A CN 2010105929567 A CN2010105929567 A CN 2010105929567A CN 201010592956 A CN201010592956 A CN 201010592956A CN 102105012 A CN102105012 A CN 102105012A
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- bridge rectifier
- incandescent lamp
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Abstract
The invention belongs to the technical field of electronics and relates to a soft start-up device for a filament lamp, which can be used as a replacing device for a filament lamp lighting switch. The soft start-up device for a filament lamp comprises a full-bridge rectifier circuit and a one-way silicon controlled trigger circuit, wherein the full-bridge rectifier circuit consists of a commercial power supply, a power supply switch (K1), a filament lamp (H) and four silicon diodes (D1-D4). The soft start-up device is characterized in that the filament lamp (H) is connected in series in a commercial power supply input loop of the full-bridge rectifier circuit, and the silicon controlled trigger circuit is connected with a voltage-reducing delay circuit. After the power supply is switched on, the filament of the filament lamp emits dim light because of application of low voltage and heat resistance of the filament, is pre-heated for about 35 seconds, and then acquires the whole voltage to emit light in all-power; therefore, the situation of breaking the filament of the filament lamp, resulting from the application of full voltage and high current of the commercial power supply in a cold state, is avoided, the service life of the filament lamp is favorably prolonged, and eyes of people getting up in late night are not stimulated seriously by lamplight.
Description
Technical field
The invention belongs to electronic technology field, relate to a kind of soft starting device of incandescent lamp, can be used as the alternative of incandescent lighting switch.
Background technology
Often use the people of incandescent lamp that such experience or cognition should be arranged, the filament that is exactly incandescent lamp is blown the moment that majority occurs in the connection mains supply, especially opens incandescent lamp suddenly at night, and the filament of incandescent lamp is easy to be blown; Also have period at dead of night also to be very easy to be blown because of the filament of the higher incandescent lamp of mains voltage; Get up night besides and need open incandescent lamp, relatively big because of the pupil of eye at the environment of dark, at this moment light very obviously makes the eyeball that can't keep one's eyes open to the stimulation of eye.
Though incandescent lamp does not belong to energy-saving lamp, because of its price is very cheap, use very convenient, so the incandescent lamp effect that still has energy-saving lamp to be difficult to substitute in some place at present.
Just because of this, research is a kind of can realize that the device of soft start is necessary when incandescent lamp is connected mains supply.This device makes the incandescent lamp filament under the acting in conjunction that adds the existence of low pressure and filament thermal resistance, heated and the light that shades in advance, approximately through after tens seconds, it is luminous that the incandescent lamp filament just can obtain carrying out behind whole voltages total power, thereby avoided the incandescent lamp filament when cold conditions, to add the full voltage of mains supply, the big electric current phenomenon of the disconnected incandescent lamp filament of sudden strain of a muscle easily effectively, so both helped prolonging the useful life of incandescent lamp, the people who also helps getting up in the night to urinate night no longer is subjected to the intense stimulus of light to eye.
Through the test of various schemes, relatively and analyze, the present invention only uses a small amount of common components and parts to realize the target call of simple in structure, cheap, the dependable performance of device.Below describe the correlation technique of the soft starting device making of this incandescent lamp in detail.
Summary of the invention
Goal of the invention and beneficial effect: the present invention is after mains switch is connected, the filament of incandescent lamp because of add low pressure and filament thermal resistance so the obfuscation light, the incandescent lamp filament is heated in advance, after about 35 seconds, the filament of incandescent lamp obtains whole voltages of mains supply and total power is luminous, thereby avoided the incandescent lamp filament when cold conditions, to add the full voltage of mains supply, the big electric current phenomenon of the disconnected incandescent lamp filament of sudden strain of a muscle easily effectively, so both helped prolonging the useful life of incandescent lamp, the people who yet helps getting up in the night to urinate the late into the night is not subjected to light to show awkward again to the stimulation of eye.
Technical characterictic: the soft starting device of incandescent lamp, comprise mains supply, mains switch (K1), incandescent lamp (H), 4 silicon rectifier diodes (full bridge rectifier, one-way SCR and the circuits for triggering of D1～D4) form, it is characterized in that: in the mains supply input circuit of full bridge rectifier, be connected in series incandescent lamp (H), in thyristor gating circuit, be connected to the step-down delay circuit.
Annexation in the composition of circuit and the circuit between the components and parts
1. full bridge rectifier: connect an end of full bridge rectifier input behind live wire end (L) the serial connection mains switch (K1) of mains supply, connect the other end of full bridge rectifier input behind the zero line side of mains supply (N) the serial connection incandescent lamp (H).
2. the step-down delay circuit is made up of decompression capacitor C1, current-limiting resistance R1, delay capacitor C2, triode (BG1) and filter capacitor C3, the collector electrode of the positive pole of decompression capacitor C1 and triode (BG1) connects the positive pole of full bridge rectifier output, connect the base stage of triode (BG1) and the positive pole of delay capacitor C2 behind the negative pole serial connection current-limiting resistance R1 of decompression capacitor C1, the negative pole of capacitor C 2 connects the negative pole of full bridge rectifier output, the emitter of triode (BG1) connects the positive pole of filter capacitor C3, and the negative pole of filter capacitor C3 connects the negative pole of full bridge rectifier output.
3. one-way SCR and circuits for triggering are made up of resistance R 2, resistance R 3, resistance R 4 and one-way SCR (SCR), the anode of one-way SCR (SCR), an end of resistance R 2 link to each other with the positive pole of full bridge rectifier output, the other end of resistance R 2 links to each other with the emitter of triode (BG1), an end of resistance R 3, the other end of resistance R 3 links to each other with the control utmost point of one-way SCR (SCR), an end of resistance R 4 respectively, and the other end of resistance R 4 links to each other with the negative electrode of one-way SCR (SCR), the negative pole of full bridge rectifier output.
The circuit working principle
After mains switch (K1) is connected mains supply, the incandescent lamp filament is because of the thermal resistance that adds low pressure and the filament light that shades, filament is heated in advance, and with the nearly 300V behind the mains supply rectifying and wave-filtering, obtain the direct voltage of 50V through electrochemical capacitor C1 step-down, give electrochemical capacitor C2 charging by the current limliting of resistance R 1, at this moment one-way SCR (SCR) conducting low pressure, incandescent lamp (H) obfuscation light, when the voltage at electrochemical capacitor C2 two ends rises to the initial conducting voltage of base stage of triode (BG1) gradually, approximately through triode (BG1) conducting after 35 seconds, resistance R 2 is by short circuit (resistance R 2 is determining the angle voltage of one-way SCR (SCR) conducting), one-way SCR (SCR) conducting, thereby incandescent lamp (H) obtains making incandescent lamp (H) total power luminous behind the full voltage of mains supply.
Description of drawings
1. accompanying drawing is the circuit working schematic diagram of the soft starting device of incandescent lamp.
2. the live wire end (L) of the mains supply in the accompanying drawing inserts mains switch (K1), to guarantee the safety when the electricity consumption.
Embodiment
Specification requirement according to the components and parts of the fundamental diagram of the soft starting device of incandescent lamp shown in the drawings and description of drawings and the following stated is implemented, and can realize the present invention.
The selection of components and parts and technical parameter thereof
Incandescent lamp (H) is selected 15～40W/220V for use;
Silicon rectifier diode D1～D4 selects 1N4007 for use in the full bridge rectifier;
Triode (BG1) is selected BUX87 for use, and its parameter is 1000V, 0.5A, 20W, and the withstand voltage of triode (BG1) is the guardian technique index, and the power of triode (BG1) gets final product more than being selected in 2W;
The resistance of resistance R 1 is 50K Ω, and the resistance of resistance R 2 is 20K Ω, and resistance R 3 resistances are 15K Ω, and the resistance of resistance R 4 is 1K Ω;
The capacity of electrochemical capacitor C1 is 10 μ F/250V, and the capacity of electrochemical capacitor C2 is 10 μ F/160V, and the capacity of electrochemical capacitor C3 is 1 μ F/50V;
Mains switch K1 power is selected for use more than the 1A/250V.
Manufacture method and debug circuit
Warp is to the mensuration of the stable maintenance time of incandescent lamp (H) filament outage thermal resistance, and the turn on delay time of triode (BG1) should be not less than was advisable in 35 seconds.Incandescent lamp (H) obfuscation light is to the luminous delay time of total power, by the required time decision of the conducting of triode (BG1).Can adjust delay time by the parameter of regulating resistance R 1, electrochemical capacitor C2.The power that attention incandescent lamp (H) is selected for use is big more, and the time of circuit delay is just short more.
Claims (4)
1. the soft starting device of incandescent lamp, comprise mains supply, mains switch (K1), incandescent lamp (H), 4 silicon diodes (full bridge rectifier, one-way SCR and the circuits for triggering of D1～D4) form, it is characterized in that: in the mains supply input circuit of full bridge rectifier, be connected in series incandescent lamp (H), in thyristor gating circuit, be connected to the step-down delay circuit.
2. the soft starting device of incandescent lamp according to claim 1, it is characterized in that: connect an end of full bridge rectifier input behind live wire end (L) the serial connection mains switch (K1) of mains supply, connect the other end of full bridge rectifier input behind the zero line side of mains supply (N) the serial connection incandescent lamp (H).
3. the soft starting device of incandescent lamp according to claim 1, the step-down delay circuit is by electrochemical capacitor C1, resistance R 1, electrochemical capacitor C2, triode (BG1) and electrochemical capacitor C3 form, it is characterized in that: the positive pole of electrochemical capacitor C1, the collector electrode of triode (BG1) connects the positive pole of full bridge rectifier output, connect the base stage of triode (BG1) and the positive pole of electrochemical capacitor C2 behind the negative pole series resistor R1 of electrochemical capacitor C1, the negative pole of electrochemical capacitor C2 connects the negative pole of full bridge rectifier output, the emitter of triode (BG1) connects the positive pole of electrochemical capacitor C3, and the negative pole of electrochemical capacitor C3 connects the negative pole of full bridge rectifier output.
4. the soft starting device of incandescent lamp according to claim 1, one-way SCR and circuits for triggering are by resistance R 2, resistance R 3, resistance R 4 and one-way SCR (SCR) are formed, it is characterized in that: the anode of one-way SCR (SCR), one end of resistance R 2 links to each other with the positive pole of full bridge rectifier output, the emitter of the other end of resistance R 2 and triode (BG1), one end of resistance R 3 links to each other, the control utmost point of the other end of resistance R 3 and one-way SCR (SCR), one end of resistance R 4 links to each other, the negative electrode of the other end of resistance R 4 and one-way SCR (SCR), the negative pole of full bridge rectifier output links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105929567A CN102105012A (en) | 2010-12-17 | 2010-12-17 | Soft start-up device for filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105929567A CN102105012A (en) | 2010-12-17 | 2010-12-17 | Soft start-up device for filament lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102105012A true CN102105012A (en) | 2011-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105929567A Pending CN102105012A (en) | 2010-12-17 | 2010-12-17 | Soft start-up device for filament lamp |
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| CN (1) | CN102105012A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491693A (en) * | 2013-10-20 | 2014-01-01 | 吴建堂 | Incandescent bulb half-voltage start service-life-prolonging device |
| CN105828506A (en) * | 2016-05-29 | 2016-08-03 | 黄宇嵩 | Gradually-bright and gradually-dark lighting lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86210698U (en) * | 1986-12-20 | 1987-12-23 | 杨建辉 | Energy-saving lamp controller with soft turn on and gradually turn off function |
| CN2307424Y (en) * | 1997-07-21 | 1999-02-10 | 胡小民 | Soft starting delay switch |
| CN2364627Y (en) * | 1998-12-30 | 2000-02-16 | 周建林 | Multifunctional time-delay light-out switch |
| CN2386578Y (en) * | 1999-01-28 | 2000-07-05 | 钟良发 | Time-delay blackout energy saving switch |
| US6153983A (en) * | 1999-07-21 | 2000-11-28 | General Electric Company | Full wave electronic starter |
| CN101888732A (en) * | 2010-04-28 | 2010-11-17 | 周玉林 | Illumination time-delay switch produced by using common button switch |
-
2010
- 2010-12-17 CN CN2010105929567A patent/CN102105012A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86210698U (en) * | 1986-12-20 | 1987-12-23 | 杨建辉 | Energy-saving lamp controller with soft turn on and gradually turn off function |
| CN2307424Y (en) * | 1997-07-21 | 1999-02-10 | 胡小民 | Soft starting delay switch |
| CN2364627Y (en) * | 1998-12-30 | 2000-02-16 | 周建林 | Multifunctional time-delay light-out switch |
| CN2386578Y (en) * | 1999-01-28 | 2000-07-05 | 钟良发 | Time-delay blackout energy saving switch |
| US6153983A (en) * | 1999-07-21 | 2000-11-28 | General Electric Company | Full wave electronic starter |
| CN101888732A (en) * | 2010-04-28 | 2010-11-17 | 周玉林 | Illumination time-delay switch produced by using common button switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491693A (en) * | 2013-10-20 | 2014-01-01 | 吴建堂 | Incandescent bulb half-voltage start service-life-prolonging device |
| CN105828506A (en) * | 2016-05-29 | 2016-08-03 | 黄宇嵩 | Gradually-bright and gradually-dark lighting lamp |
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Application publication date: 20110622 |