CN103179770A - Novel environment-friendly energy-saving fluorescent lamp - Google Patents
Novel environment-friendly energy-saving fluorescent lamp Download PDFInfo
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- CN103179770A CN103179770A CN 201110428940 CN201110428940A CN103179770A CN 103179770 A CN103179770 A CN 103179770A CN 201110428940 CN201110428940 CN 201110428940 CN 201110428940 A CN201110428940 A CN 201110428940A CN 103179770 A CN103179770 A CN 103179770A
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Abstract
A novel environment-friendly energy-saving fluorescent lamp belongs to the technical field of lamps and is designed for saving energy and protecting eyesight. The novel environment-friendly energy-saving fluorescent lamp comprises a fluorescent lamp tube, a direct-current electronic ballast and a lamp body. The direct-current electronic ballast comprises a starting circuit and a working circuit. The starting circuit is a voltage doubling rectifying circuit 1. The working circuit is formed by at least a voltage reduction circuit 2, a bridge rectifying circuit 3 and a current stabilizing circuit 5. The novel environment-friendly energy-saving fluorescent lamp is characterized in that a voltage doubling rectifying circuit 4 is connected between the bridge rectifying circuit 3 and the current stabilizing circuit 5 of the working circuit in series.
Description
Technical field
The invention belongs to lighting technical field, relate in particular to the environmental protection and energy saving fluorescent lamp.
Background technology
The conventional fluorescent lamps of using at present generally comprises fluorescent lamp, ballast, starter and four parts of light fixture.Fluorescent tube is coated layer of fluorescent powder by the glass tube inwall, and two ends respectively connect a filament electrode, fills after exhaust with appropriate argon gas or other inert gas and mercury or mercury vapour.Ballast has two kinds of inductance type and electronic types.The fluorescent lamp of Inductive ballast is because using the alternating current of 50 hertz or 60 hertz, so its light intensity changed in 1 second 100 times or 120 times.This have the phosphere of frequency to be called stroboscopic, eyesight influence to the people is very large, can make the machine mistake that normal high speed turns regard slow-speed as very to turning, on the court, the ball of high-speed flight mistake sees it is interrupted, etc., particularly eyes are easily caused fatigue, outstanding and be to read a book under fluorescent lighting, children's eyesight there is certain infringement.In addition, it is also more that Inductive ballast itself consumes electric energy, also needs enamelled wire and silicon steel sheet, burns the current value that light modulation has an optimal luminescent efficient, and due to the cycle variation of alternating current, some electric current surpasses this optimum amounts of current, causes the waste of electric energy.And at the very difficult starter in the lower rural area of voltage ratio.Therefore, a lot of engineers and technicians are considering the method how to replace always in recent years.
The Holland Philip is in early eighties, at first developed a kind of electric ballast that can work under high frequency state (30 1 60 kilo hertzs), because its optical efficiency is high, can be at starter under low-voltage, without copper material and steel, therefore it is paid attention to once occurring being subject to immediately people, wishes to replace original Inductive ballast with it.China China National Light Industrial Products Department also classifies it as emphasis and supports one of product.But it does not fundamentally eliminate stroboscopic phenomenon, and the low frequency stroboscopic does not thoroughly solve yet, and is to lead the modulated high frequency at city electricity Dian Yuan Frequency.That is to say the low frequency stroboscopic of existing 50 hertz or 60 hertz, the high frequency stroboscopic of 30_60 kilohertz is arranged again, just lighter than Inductive ballast on the degree of low frequency stroboscopic, smaller on the impact of eyesight.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can reduce ballast power consumption, improve the fluorescent tube luminous efficiency, can keep again without stroboscopic and low-voltage starter environmental protection and energy saving fluorescent lamp.
Technical scheme of the present invention is:
Adopt voltage-multiplying circuit as starting circuit; Consist of operating circuit by reduction voltage circuit, bridge rectifier, voltage doubling rectifing circuit and current stabilization circuit series connection.That is: a kind of energy-saving health fluorescent lamp, comprise and burn light lamp tube, dc electronic ballast and three parts of light fixture; Said dc electronic ballast comprises starting circuit and operating circuit; Said starting circuit is voltage doubling rectifing circuit; Said operating circuit is minimum to be made of reduction voltage circuit, bridge rectifier and current stabilization circuit series connection; It is characterized in that: have the multiplication of voltage current stabilization circuit to be connected between the bridge-type * current circuit and current stabilization circuit of operating circuit.
Beneficial effect of the present invention: due to above-mentioned architectural feature, so but the present invention has advantages of low-voltage starter, DC operation can not weaken without the luminosity of stroboscopic, long service life, positive terminal.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the schematic diagram of embodiment 1.
Fig. 2 is the schematic diagram of embodiment 2.
In figure, L represents live wire, and N represents zero line.
Embodiment
As shown in the figure, a kind of environment-friendly energy-saving fluorescent lamp comprises fluorescent tube, dc electronic ballast and three parts of light fixture; Said dc electronic ballast comprises starting circuit and operating circuit; Said starting circuit is voltage doubling rectifing circuit 1; Said operating circuit is minimum to be made of reduction voltage circuit 2, bridge rectifier 3 and current stabilization circuit 5 series connection; It is characterized in that: have voltage doubling rectifing circuit 4 to be connected between the bridge rectifier 3 and current stabilization circuit 5 of operating circuit.
As shown in Figure 1, described current stabilization circuit 5 is the inductance current stabilization circuits that are made of inductance L 1.As shown in Figure 2, the transistor current stabilization circuit that formed by resistance R 3, resistance R 4, transistor Q1, electrochemical capacitor E2 of described current stabilization circuit 5.
Specifically: as shown in the figure, the dc electronic ballast is a combinational circuit, it comprises multiplication of voltage or many voltage doubling rectifing circuits (dotted line frame 1), reduction voltage circuit (Virtual wire frame 2), bridge rectifier (Virtual wire frame 3), secondary multiplication of voltage or many voltage doubling rectifing circuits (Virtual wire frame 4) and current stabilization circuit (Virtual wire frame 5).Have every diode between multiplication of voltage or many voltage doubling rectifing circuits and bridge rectifier filter circuit, the high pressure that prevents times piezoelectricity or many voltage doubling rectifing circuits flows into bridge rectifier filter circuit and high pressure is reduced, and provides path for the voltage of bridge rectifier filter circuit is added to the fluorescent tube two end electrodes simultaneously.Civil power connects bridge rectifier filter circuit after reduction voltage circuit, connect again voltage doubling rectifing circuit 4, the required operating voltage of the voltage that makes DC electronic ballast output and fluorescent tube conforms to, the bridge rectifier filter circuit positive pole is through diode D7, D8, connect fluorescent tube one termination electrode after voltage doubling rectifing circuit 4 and inductance, negative pole connects fluorescent tube other end electrode.The position that inductance and fluorescent tube are both connected can exchange.The dc electronic ballast realizes that lamp tube electrode produces that high pressure triggers starter and with the galvanic conversion of alternating current to flat fringe.
Its operation principle is as follows: multiplication of voltage or many voltage doubling rectifing circuits produce and are added to fluorescent tube two ends after high pressure, do making tube starting.Because this circuit internal resistance is very large, in case the fluorescent tube starter just loses the effect that continues to apply high pressure.And then, be that the reduction voltage circuit step-down supplies the fluorescent tube electricity consumption by bridge rectifier filter circuit by diode D7, D8, voltage doubling rectifing circuit 4 and inductance.Original alternating current through reduction voltage circuit and and bridge rectifier filtering road after, converted the direct current of stable operating voltage to, pass through diode 07, D8, voltage doubling rectifing circuit 4 and inductance, what be added to fluorescent tube is direct current stably again, thereby has avoided the generation of stroboscopic phenomenon.After a period of time, the luminosity of positive terminal can weaken the dc electronic ballast fluorescent tube of in the past producing at logical direct current, and the way that solves this phenomenon is only to use the light fixture that suitable insulation effect is arranged.And the present invention has solved the appearance of this phenomenon widely.
Voltage doubling rectifing circuit in above-mentioned dc electronic ballast can be become with corresponding diode joint face by two or more capacitors with voltage doubling rectifing circuit 4.What provide in accompanying drawing is four voltage doubling rectifing circuits that are formed by connecting by C2, C3, C4, C5 and corresponding diode D9, D10, Dll, D12.It brings the voltage up to original four times.Reach volt more than 1200 (voltage of power supply is that 220V exchanges).According to the difference of fluorescent tube starting voltage, the difference of supply voltage (220 volts 50 hertz and 110 volts 60 hertz) can be designed to two multiplication of voltages, three multiplication of voltages or more voltage multiplying rectifiers with multiplication of voltage or many voltage doubling rectifing circuits.Above-mentioned reduction voltage circuit is formed in parallel by capacitor C1 and resistance R 1.
General fluorescent tube operating voltage is between the 45_110 volt, between the bridge rectifier filter circuit of dc electronic ballast and 220 volts or 110 volts of civil powers after the access reduction voltage circuit, can make the requirement of the voltage conforms fluorescent tube operating voltage of dc electronic ballast output, also play the effect of current limliting simultaneously.Resistance R 1 is to be capacitor C 1 discharge use, makes behind the pass of power supply of fluorescent lamp not charged on power supply.Above-mentioned bridge rectifier filter circuit is to be formed by connecting by four diode Dl, D2, D3, D4, electrochemical capacitor B1 and resistance R 2, and resistance R 2 is for E1 discharge use, makes electric capacity E1 not charged after lamp is turned off.Above-mentioned voltage doubling rectifing circuit 4 forms four voltage-multiplying circuits by C6, C7, C8, C9 and corresponding D13, D14, D15, D16, make an optimum state of operating voltage long term maintenance of burning light lamp tube, avoid fluorescent tube at logical direct current after a period of time, the luminosity of positive terminal can weaken.Voltage doubling rectifing circuit 4 can according to the difference of fluorescent tube operating voltage, can be designed to it two multiplication of voltages, three multiplication of voltages or more voltage-multiplying circuit.Described inductance L 1 has played the effect of current stabilization in circuit.Inductance also can replace (as shown in Figure 2) by the transistor current stabilization circuit; This transistor current stabilization circuit is comprised of resistance R 3, resistance R 4, transistor Q1, electrochemical capacitor E2.
After connecting with bridge rectifier filter circuit (Virtual wire frame 3), passes through reduction voltage circuit (Virtual wire frame 2) diode D7, D8, multiplication of voltage or many voltage-multiplying circuits and voltage doubling rectifing circuit 4, inductance current stabilization circuit or transistor fringe current circuit and fluorescent tube series connection.When switch opens switches on power, times repoussage circuit produces high pressure and makes the fluorescent tube starter, after starter, high pressure disappears, then by supplying with fluorescent tube direct current stably after reduction voltage circuit, bridge rectifier filter circuit, secondary voltage-multiplying circuit, inductance or the series connection of transistor stabilized circuit.
Claims (3)
1. an environment-friendly energy-saving fluorescent lamp, comprise fluorescent tube, dc electronic ballast and three parts of light fixture; Said dc electronic ballast comprises starting circuit and operating circuit; Said starting circuit is voltage doubling rectifing circuit (1); Said operating circuit is minimum to be made of reduction voltage circuit (2), bridge rectifier (3) and current stabilization circuit (5) series connection; It is characterized in that: have voltage doubling rectifing circuit (4) to be connected between the bridge rectifier (3) and current stabilization circuit (5) of operating circuit.
2. a kind of environment-friendly energy-saving fluorescent lamp according to claim 1, is characterized in that: the inductance current stabilization circuit that described current stabilization road (5) is made of inductance L 1.
3. a kind of environment-friendly energy-saving fluorescent lamp according to claim 1, is characterized in that: the transistor current stabilization circuit that described current stabilization circuit (5) is comprised of resistance R 3, resistance R 4, transistor Q1, electrochemical capacitor E2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110428940 CN103179770A (en) | 2011-12-20 | 2011-12-20 | Novel environment-friendly energy-saving fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110428940 CN103179770A (en) | 2011-12-20 | 2011-12-20 | Novel environment-friendly energy-saving fluorescent lamp |
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| Publication Number | Publication Date |
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| CN103179770A true CN103179770A (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110428940 Pending CN103179770A (en) | 2011-12-20 | 2011-12-20 | Novel environment-friendly energy-saving fluorescent lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634292A (en) * | 2016-01-27 | 2016-06-01 | 国网山西省电力公司运城供电公司 | AC voltage automatic adaptation circuit |
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2011
- 2011-12-20 CN CN 201110428940 patent/CN103179770A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634292A (en) * | 2016-01-27 | 2016-06-01 | 国网山西省电力公司运城供电公司 | AC voltage automatic adaptation circuit |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130626 |