CN105953083A - No-strobe, no-radiation and no-blue-ray-harm direct-current fluorescent lamp - Google Patents
No-strobe, no-radiation and no-blue-ray-harm direct-current fluorescent lamp Download PDFInfo
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- CN105953083A CN105953083A CN201610361416.5A CN201610361416A CN105953083A CN 105953083 A CN105953083 A CN 105953083A CN 201610361416 A CN201610361416 A CN 201610361416A CN 105953083 A CN105953083 A CN 105953083A
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- circuit
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- fluorescent tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K2/00—Non-electric light sources using luminescence; Light sources using electrochemiluminescence
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The invention discloses a no-strobe, no-radiation and no-blue-ray-harm direct-current fluorescent lamp. The direct-current fluorescent lamp comprises a filter circuit, a voltage reducing and current limiting circuit, a rectification filter circuit, a high-voltage illuminating circuit, a lamp tube constant-current circuit, a polar conversion circuit and a lamp tube connected in sequence; the voltage reducing and current limiting circuit includes a second capacitor C2 and a first resistor R1; the high-voltage illuminating circuit includes a first diode D1, a sixth diode D6, a seventh diode D7, a third resistor R3, a fourth resistor R4, a fifth capacitor C5, a sixth capacitor C6 and a trigger IC; the high-voltage illuminating circuit generates direct-current high voltage; when the fluorescent lamp is illuminated, the IC is triggered to quickly cut off high voltage to guarantee no strobe and no electromagnetic radiation and to enable the lamp tube constant-current circuit to normally work; the rectification filter circuit consists of a second diode D2, a third diode D3, a fourth diode D4, a fifth diode D5, a third electrolytic capacitor C3 and a second resistor R2; and the lamp tube constant-current circuit consists of a first triode Q1, a fifth resistor R5, a sixth resistor R6 and a fourth electrolytic capacitor C4.
Description
Technical field
The present invention relates to lamp lighting technical field, particularly to a kind of without the radiationless DC fluorescent lamp without blue light harm of stroboscopic.
Background technology
Fluorescent lamp ballast includes Inductive ballast and electric ballast.Inductive ballast fluorescent lamp is because using the alternating current of 50HZ or 60HZ, and the light intensity flicker per second of induction fluorescent lamp 100 times or 120 times, this scintillation is referred to as stroboscopic.Vision is had a great impact by stroboscopic, and eyes are the most tired.Therefore it is a kind of undesirable light source.Holland develops high-frequency electronic ballast in Philip the end of the seventies, namely usual high-frequency electronic ballast, it the most thoroughly solves stroboscopic problem, owing to the higher-order of oscillation produces the electromagnetic radiation highly unwanted to human body, being the stealthy killer of eyes and health, it is also a kind of undesirable light source.
Several fluorescent lamp patents have been reported on Chinese patent publication.One: " without the stroboscopic power saving fluorescent lamp device " of Patent No. ZL93112478.6, owing to using filament pre-heating bubble and the filament preheating circuit of resistance composition, so fluorescent lamp need to repeatedly flash ability starter success, therefore fluorescent lamp is impacted by repeatedly starter electric current, thus affects fluorescent tube service life.And, filament pre-heating bubble has contact, can affect the life-span；Its two: " DC fluorescent lamp without stroboflash " of Patent No. ZL99808297.X, the filament preheating circuit of employing is a kind of relay filament preheating circuit, although can disposable starter success, but relay has contact, can affect the life-span of ballast；Its three: " without the energy-conservation DC fluorescent lamp of stroboscopic " of Patent No. ZL03128820.0 it avoid above-mentioned filament pre-heating bubble and relay etc. has the defect of contact, but owing to fluorescent tube is the DC fluorescent lamp tube of a kind of special construction, not applying electronic powder on positive pole filament, and positive pole filament is made more thicker than negative pole filament, so cost is high, two is the most adaptive with fluorescent tube on the market, produces and uses equal inconvenience, is unfavorable for promoting.
Therefore, how to realize a kind of without stroboscopic without electric radiation without blue light harm DC fluorescent lamp be technical problem the most urgently to be resolved hurrily.
Summary of the invention
The main object of the present invention is to provide a kind of DC fluorescent lamp, it is intended to realizes one and endangers DC fluorescent lamp without electric radiation without blue light without stroboscopic.
The present invention proposes a kind of without the radiationless DC fluorescent lamp without blue light harm of stroboscopic, including the filter circuit being sequentially connected with, blood pressure lowering current-limiting circuit, current rectifying and wave filtering circuit, high pressure starting circuit, fluorescent tube constant-current circuit, polarity switching, fluorescent tube；Filter circuit includes the first electric capacity C1；Blood pressure lowering current-limiting circuit includes the second electric capacity C2 and the second electric capacity C2 the first resistance R1 connect, and the second electric capacity C2 and the first resistance R1 that connect are serially connected between the outfan of filter circuit and the input of current rectifying and wave filtering circuit；High pressure starting circuit includes the first diode D1, the 6th diode D6, the 7th diode D7, the 3rd resistance R3, the 4th resistance R4,5th electric capacity C5, the 6th electric capacity C6, triggering IC, high pressure starting circuit produces high direct voltage, and triggering IC when fluorescent lamp starter rapid cutoff high without stroboscopic, electromagnetic-radiation-free and can make fluorescent tube constant-current circuit normally work with guarantee；The cathode output end of current rectifying and wave filtering circuit connects the first diode D1 positive pole of high-voltage ignition circuit, and the cathode output end of current rectifying and wave filtering circuit connects the negative pole of the 6th diode of high-voltage ignition circuit；Current rectifying and wave filtering circuit is by the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 3rd electrochemical capacitor C3, the second resistance R2 composition；Fluorescent tube constant-current circuit is made up of the first audion Q1, the 5th resistance R5, the 6th resistance R6 and the 4th electrochemical capacitor C4；The two ends of fluorescent tube connect polarity switching.
Preferably, polarity switching uses uni-directional push-button switch or six foot two gear switch.
Main advantages of the present invention have four: one, solve positive pole dark space and the electrophoresis On Blackening of fluorescent tube.Two, the present invention uses contactless filament pre-heating starter, need not special fluorescent tube, adaptive with same model fluorescent tube on the market, design simple low cost, install simple, convenient, be beneficial to promote.Three, polarity switching can make fluorescent tube both positive and negative polarity exchange to light, improve fluorescent tube service life.Four, the disposable contactless starter of energy, ballast is long for service life, radiationless without stroboscopic during starter, is conducive to protection brain and vision.Present invention achieves a kind of DC fluorescent lamp endangered without blue light without stroboscopic without electric radiation.
Accompanying drawing explanation
Fig. 1 is the operation principle block diagram of an a kind of embodiment without the radiationless DC fluorescent lamp without blue light harm of stroboscopic of the present invention；
Fig. 2 is the electronic circuit schematic of an a kind of embodiment without the radiationless DC fluorescent lamp without blue light harm of stroboscopic of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to figs. 1 through Fig. 2, propose a kind of embodiment without the radiationless DC fluorescent lamp without blue light harm of stroboscopic of the present invention, include filter circuit 1, blood pressure lowering current-limiting circuit 2, current rectifying and wave filtering circuit 3, high pressure starting circuit 4, fluorescent tube constant-current circuit 5, polarity switching 6 and fluorescent tube 7 without the radiationless DC fluorescent lamp without blue light harm of stroboscopic.
Described filter circuit 1, blood pressure lowering current-limiting circuit 2, current rectifying and wave filtering circuit 3, high pressure starting circuit 4 four concatenate mutually.The filtered circuit of alternating current 1 of 220V, blood pressure lowering current-limiting circuit 2, the alternating current of current rectifying and wave filtering circuit 3, i.e. 220V become unidirectional current after anti-interference, blood pressure lowering, rectifying and wave-filtering and export from the outfan of current rectifying and wave filtering circuit 3.
Described high pressure starting circuit 4 includes the first diode D1, the 6th diode D6, the 7th diode D7, the 3rd resistance R3, the 4th resistance R4,5th electric capacity C5, the 6th electric capacity C6, triggering IC, high pressure starting circuit produces the high direct voltage of about 800V, and triggering IC when fluorescent lamp starter rapid cutoff high without stroboscopic, electromagnetic-radiation-free and can make fluorescent tube constant-current circuit normally work with guarantee.
The cathode output end of described current rectifying and wave filtering circuit 3 connects the positive pole of the first diode D1 of high pressure starting circuit, and the cathode output end of current rectifying and wave filtering circuit 3 connects the negative pole of the 6th electric capacity D6 of high pressure starting circuit.Described high pressure starting circuit 4 is connected on 220V power line.Additionally, polarity switching 6 is connected between high pressure starting circuit 4, fluorescent tube constant-current circuit 5 and fluorescent tube 7.
Described filter circuit 1 includes the first electric capacity C1, and it is connected with the alternating current of 220V, when alternating current is by the first electric capacity C1 i.e. high-frequency signal short circuit, thus effectively eliminates high-frequency electromagnetic interference.Blood pressure lowering current-limiting circuit 2 includes the second electric capacity C2 being serially connected with in input circuit and the second electric capacity C2 the first resistance R1 connect, and the second electric capacity C2 and the first resistance R1 that connect are serially connected between the outfan of filter circuit 1 and the input of current rectifying and wave filtering circuit 3.The running voltage of general fluorescent tube 7 is between 60V-110V, after accessing blood pressure lowering current-limiting circuit 2 between current rectifying and wave filtering circuit 3 and the voltage of 220V or 110V, the output voltage that can make the present invention meets the requirement of fluorescent tube 7 running voltage, also function to metering function simultaneously, first resistance R1 is use for the second electric capacity C2 electric discharge, makes the attaching plug of fluorescent lamp pull on rear plug not charged.Current rectifying and wave filtering circuit 3 can be by the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 3rd electrochemical capacitor C3, the second resistance R2 composition.Wherein the exchange end one of current rectifying and wave filtering circuit 3 terminates blood pressure lowering current-limiting circuit 2, the alternating current power supply of another termination 220V, and the second resistance R2 is use for the 3rd electrochemical capacitor C3 electric discharge, and lamp makes the 3rd electrochemical capacitor C3 not charged after turning off.
Described high pressure starting circuit 4 includes the first diode D1, the 6th diode D6, the 7th diode D7, the 5th electric capacity C5, the 6th electric capacity C6, the 3rd resistance R3, the 4th resistance R4, triggering IC.The negative pole of described 7th diode D7 connects the colelctor electrode of the first audion Q1 of fluorescent tube constant-current circuit, and the positive pole of described 7th diode D7 connects the negative pole of the first diode D1 of high pressure starting circuit, concatenates the 4th resistance R4, the 5th electric capacity C5.High pressure starting circuit 4 produces the high direct voltage of about 800V, and when fluorescent lamp starter, now triggering IC will cutoff high rapidly, it is ensured that without stroboscopic, electromagnetic-radiation-free and make fluorescent tube constant-current circuit 4 normally work.
Described fluorescent tube constant-current circuit 5 can be made up of the first audion Q1, the 5th resistance R5, the 6th resistance R6 and the 4th electrochemical capacitor C4, the colelctor electrode of the first audion Q1 connects the negative pole of high pressure starting circuit D7, concatenation R5, the emitter stage of the first audion Q1 connects the negative pole of the 4th electrochemical capacitor C4, the positive pole of concatenation the 8th diode D8.The positive pole of the 4th electrochemical capacitor C4 is connected on the input of the 5th resistance R5, the 6th resistance R6, and negative pole is connected on the emitter stage of the first audion Q1.
Described polarity switching 6 is uni-directional push-button switch or six foot two gear switch, uni-directional push-button switch or six foot two gear switch are made up of button and six contact point first make contact KT1, the second contact point KT2, the 3rd contact point KT3, the 4th contact point KT4, the 5th contact point KT5, the 6th contact point KT6, first make contact KT1 and the 6th contact point KT6 connects one end of fluorescent tube 7,4th contact point KT4 and the 3rd contact point KT3 connects the other end of fluorescent tube 7, and the second contact point KT2 and the 5th contact point KT5 is connected on cathode output end and the cathode output end of high pressure starting circuit 5 respectively.Button press, can turn on the second contact point KT2 and the 3rd contact point KT3, and conducting the 5th contact point KT5 and the 6th contact point KT6.Polarity switching 6 is the polarity at convertible fluorescent tube 7 two ends under the effect of button, solves in use for some time, the positive pole dark space occurred after fluorescent tube 7 energising and the problem of positive terminal blackout, solves the problem that is not durable that traditional tube only one end is lighted simultaneously.
After the present invention connects 220 alternating current power supplys, the outfan of the high pressure starting circuit 5 that the cathode output end of current rectifying and wave filtering circuit 3 is concatenated produces the voltage of about 800V and is added on fluorescent tube 7, make it light, owing to have employed triggering IC, therefore under the effect triggering IC, fluorescent tube 7 will cut off rapidly the high pressure of 800V and makes its flicker free, radiationless low-temp low-pressure and can normally use after lighting, and is cooperated work by them, can effectively eliminate the service life of High-frequency Interference and prolonging lamp tube.Additionally, high-frequency electrical ripple is corrected by filter circuit 1, low-tension supply is exported through blood pressure lowering current-limiting circuit 2, DC voltage is exported again by current rectifying and wave filtering circuit 3, the electric current making fluorescent tube 7 pass through after striking is constant, wherein after fluorescent tube 7 starter, mainly being exported 60V 100V voltage by current rectifying and wave filtering circuit 3 provides constant current through fluorescent tube constant-current circuit 5 for fluorescent tube 7, to ensure fluorescent tube 7 normal luminous.
Main advantages of the present invention have four: one, solve positive pole dark space and the electrophoresis On Blackening of fluorescent tube.Two, the present invention uses contactless filament pre-heating starter, need not special fluorescent tube, adaptive with same model fluorescent tube on the market, design simple low cost, install simple, convenient, be beneficial to promote.Three, polarity switching can make fluorescent tube both positive and negative polarity exchange to light, improve fluorescent tube service life.Four, the disposable contactless starter of energy, ballast is long for service life, radiationless without stroboscopic during starter, is conducive to protection brain and vision.Present invention achieves a kind of DC fluorescent lamp endangered without blue light without stroboscopic without electric radiation.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing description of the invention and accompanying drawing content to be made; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (2)
1. one kind without the radiationless DC fluorescent lamp without blue light harm of stroboscopic, it is characterised in that the filter circuit that includes being sequentially connected with, blood pressure lowering current-limiting circuit, current rectifying and wave filtering circuit, high pressure starting circuit, fluorescent tube constant-current circuit, polarity switching, fluorescent tube；
Filter circuit includes the first electric capacity C1；
Blood pressure lowering current-limiting circuit includes the second electric capacity C2 and the second electric capacity C2 the first resistance R1 connect, and the second electric capacity C2 and the first resistance R1 that connect are serially connected between the outfan of filter circuit and the input of current rectifying and wave filtering circuit；
High pressure starting circuit includes the first diode D1, the 6th diode D6, the 7th diode D7, the 3rd resistance R3, the 4th resistance R4,5th electric capacity C5, the 6th electric capacity C6, triggering IC, high pressure starting circuit produces high direct voltage, and triggering IC when fluorescent lamp starter rapid cutoff high without stroboscopic, electromagnetic-radiation-free and can make fluorescent tube constant-current circuit normally work with guarantee；
The cathode output end of current rectifying and wave filtering circuit connects the first diode D1 positive pole of high-voltage ignition circuit, and the cathode output end of current rectifying and wave filtering circuit connects the negative pole of the 6th diode of high-voltage ignition circuit；
Current rectifying and wave filtering circuit is by the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 3rd electrochemical capacitor C3, the second resistance R2 composition；
Fluorescent tube constant-current circuit is made up of the first audion Q1, the 5th resistance R5, the 6th resistance R6 and the 4th electrochemical capacitor C4；
The two ends of fluorescent tube connect polarity switching.
The most according to claim 1 a kind of without the radiationless DC fluorescent lamp without blue light harm of stroboscopic, it is characterised in that polarity switching uses uni-directional push-button switch or six foot two gear switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361416.5A CN105953083A (en) | 2016-05-30 | 2016-05-30 | No-strobe, no-radiation and no-blue-ray-harm direct-current fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361416.5A CN105953083A (en) | 2016-05-30 | 2016-05-30 | No-strobe, no-radiation and no-blue-ray-harm direct-current fluorescent lamp |
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| CN105953083A true CN105953083A (en) | 2016-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610361416.5A Pending CN105953083A (en) | 2016-05-30 | 2016-05-30 | No-strobe, no-radiation and no-blue-ray-harm direct-current fluorescent lamp |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079282A (en) * | 1993-07-06 | 1993-12-08 | 陆镇平 | Energy-saving health fluorescent lamp |
| CN1095882A (en) * | 1993-05-21 | 1994-11-30 | 胡四海 | Quick electronic lamp starting device |
| CN2894195Y (en) * | 2006-04-07 | 2007-04-25 | 王松来 | DC electronic fluorescent lamp igniting device |
| CN201142775Y (en) * | 2007-08-03 | 2008-10-29 | 王松来 | Zero frequency ignition device of fluorescent lamp |
-
2016
- 2016-05-30 CN CN201610361416.5A patent/CN105953083A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095882A (en) * | 1993-05-21 | 1994-11-30 | 胡四海 | Quick electronic lamp starting device |
| CN1079282A (en) * | 1993-07-06 | 1993-12-08 | 陆镇平 | Energy-saving health fluorescent lamp |
| CN2894195Y (en) * | 2006-04-07 | 2007-04-25 | 王松来 | DC electronic fluorescent lamp igniting device |
| CN201142775Y (en) * | 2007-08-03 | 2008-10-29 | 王松来 | Zero frequency ignition device of fluorescent lamp |
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Application publication date: 20160921 |