CN103124462A - Drive integrated circuit (IC) for energy saving lamp and lighting emitting diode (LED) lamp - Google Patents
Drive integrated circuit (IC) for energy saving lamp and lighting emitting diode (LED) lamp Download PDFInfo
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- CN103124462A CN103124462A CN2013100255203A CN201310025520A CN103124462A CN 103124462 A CN103124462 A CN 103124462A CN 2013100255203 A CN2013100255203 A CN 2013100255203A CN 201310025520 A CN201310025520 A CN 201310025520A CN 103124462 A CN103124462 A CN 103124462A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a drive integrated circuit (IC) for an energy saving lamp and a lighting emitting diode (LED) lamp. The IC is characterized by comprising an NPN type first power tube and a PNP type second power tube, wherein the NPN type first power tube and the PNP type second power tube are geminate transistors, a protective diode is arranged between a collector and an emitter of the NPN type first power tube in an opposite mode, a protective diode is arranged between a collector and an emitter of the PNP type second power tube in an opposite mode, the collector of the first power tube is a power supply end of the drive IC, the base of the first power tube serves as a first drive end, the collector of the second power tube is a ground end of the drive IC, the base of the second power tube serves as a second drive end, emitters of the first power tube and the second power tube are connected and serve as an output end, a first dividing resistor is connected between the power supply end and the output end, a second dividing resistor is connected between the output end and the ground end, and the value of the first dividing resistor is the same as the that of the second dividing resistor. According to the technical scheme, a suitable power supply module can be obtained and is used for providing vibration and ballast and is compatible with the energy saving lamp and the LED lamp drive circuit, the drive circuit is simple, the debugging is convenient and the production cost is saved.
Description
Technical field
The present invention relates to a kind of device of illumination driving circuit, specifically a kind of drive IC that is common to gas discharge electricity-saving lamp and LED lamp.
Background technology
Along with the development of illuminating industry, in recent years, use the LED lamp of light emitting semiconductor device with high light efficiency, long-life, the advantage of energy-conserving and environment-protective has successfully been squeezed into the world, domestic market, progressively substitute traditional incandescent lamp, other electricity-saving lamps that discharge at a plurality of lighting fields, its demand improves year by year.But the universal of LED lamp still has some difficulties: because the cost of raw material is high, and complex manufacturing, thereby caused the market price of LED lamp too high, so must have a strong impact on its popularity, the reason of price makes ordinary consumer because can't be accepted the LED light fixture smoothly, so, the development spreading speed of LED lamp is affected.
So, by our analysis to market, judging common energy-saving lamp in future development (CFL) and LED lamp can coexist in the illuminating industry borough chief phase.So its drive circuit of ligthing paraphernalia that these two kinds of principles are different all needs in the face of large-scale production.Design from traditional production technology and accessory, these two kinds of ligthing paraphernalias almost do not have overlapping on same production line, and it is got the raw materials ready, processes all needs independent processing.This brings obvious material and technique burden when two kinds of ligthing paraphernalias are produced simultaneously.
Summary of the invention
For above-mentioned electricity-saving lamp and LED lamp material and technique five is overlapping, cost burden is heavy problem in Production requirement simultaneously, the present invention proposes a kind of drive IC that is common to electricity-saving lamp and LED lamp, and its technical scheme is as follows;
Be common to the drive IC of electricity-saving lamp and LED lamp, comprise:
To the first power tube and second power tube of pipe, wherein the first power tube is NPN transistor each other, oppositely accesses a protection diode between its collector and emitter; The second power tube is the transistor of positive-negative-positive, also oppositely accesses a protection diode between its emitter and collector;
Wherein, the current collection of this first power tube is the power end of this drive IC very, and its base stage is as the first drive end; The current collection of this second power tube is the ground end of this drive IC very, and its base stage is as the second drive end; This first power tube is connected as output with the emitter of the second power tube; One first divider resistance is connected between described power end and output, and one second divider resistance is connected between described output and ground end; This first divider resistance is suitable with the second divider resistance resistance.
As the preferred person of the technical program, the embodiment that can have following aspect:
In preferred embodiment, the output power range of this first power tube and the second power tube is 10-20W.
In preferred embodiment, the rated operational current of this first power tube and the second power tube is 1-2A.
In preferred embodiment, the structure of its periphery circuit comprises:
Described power end connects positive source; Described the first drive end and the second drive end are connected in respectively an end of a resistance R 1 by capacitor C 3 and C6; And cross-over connection resistance R 2 between this first drive end and the second drive end;
Described output connects an end of a capacitor C 2, belt carcass inductance L A, belt carcass inductance L B and capacitor C 7 simultaneously; The other end of capacitor C 7 connects the end of described resistance R 1 and an air core inductor L2; The other end of this air core inductor L2 is connected with the other end of described belt carcass inductance L A; The other end ground connection of capacitor C 7;
Wherein, the other end of described belt carcass inductance L B is as the first interchange end that connects load; Described positive source is output as one second by a capacitor C 5 and exchanges end; This first interchange end connects respectively LED lamp load or power saving fluorescent lamps load with being connected to exchange to hold.In preferred embodiment, described periphery circuit also comprises rectifier bridge, and its cathode output end is as described positive source, and its cathode output end is as hold describedly; The ac input end of this rectifier bridge is connected to civil power by a LC filter network.
In preferred embodiment, described LED lamp load comprises:
Rectifier bridge, two ac input end connect respectively described the first interchange end and exchange end with second;
LED light source is the LED form of a plurality of series connection, the described rectifier bridge of forward access; And
Filter capacitor is connected across the both positive and negative polarity of this LED light source; Wherein the positive pole of this rectifier bridge connects described positive source.
In preferred embodiment, described power saving fluorescent lamps load comprises:
Fluorescent tube comprises two groups of filaments, and every group of filament has two links separately; Wherein, two groups of filaments link separately connects respectively the two ends of a capacitor C 4; These two groups of filaments another link separately connects respectively the first interchange end and exchanges end with second.
The beneficial effect that the technical program is brought has:
1. by integrated transistor, diode and resistance, obtain a most suitable power module, can be used for providing vibration and ballast, be compatible with the drive circuit of electricity-saving lamp and LED lamp, make simultaneously whole drive circuit simpler, debugging is convenient.
2. just can easily realize compatible electricity-saving lamp and LED lamp as long as adjust several peripheral cells.Reduce costs, improve the production efficiency of product.Especially get the raw materials ready, mount with the techniques such as making sheet on, can embody the advantage of this general scheme.
3. make common energy-saving lamp (CFL) 15W reduce costs 0.5 yuan with the lamp that places an order.LED lamp 15W reduces costs 3-5 yuan with the lamp that places an order.Has obvious economic benefit.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing embodiment:
Fig. 1 is its internal structure schematic diagram of drive IC of the embodiment of the present invention one;
Fig. 2 is that the embodiment of the present invention one is used for LED light fixture schematic diagram, has comprised drive IC and peripheral component;
Fig. 3 is the schematic diagram that the embodiment of the present invention one is used for lamp energy-saving lamp, has comprised drive IC and peripheral component.
Embodiment
As Fig. 1 to Fig. 3, the schematic diagram of one embodiment of the invention and compliant applications thereof.
As shown in Figure 1, the present embodiment is common to the drive IC of electricity-saving lamp and LED lamp, and it comprises:
To the first power tube Q1 and the second power tube Q2 of pipe, wherein the first power tube Q1 is NPN transistor each other, oppositely accesses a protection diode D6 between its collector and emitter; The second power tube Q2 is the transistor of positive-negative-positive, also oppositely accesses a protection diode D7 between its emitter and collector;
Wherein, the current collection of this first power tube Q1 is the power end VIN of this drive IC very, and its base stage is as the first drive end VG1; The current collection of this second power tube Q2 is the ground end GND of this drive IC very, and its base stage is as the second drive end VG2; This first power tube Q1 is connected as output OUT with the emitter of the second power tube Q2; One first divider resistance R1 is connected between power end VIN and output OUT, and one second divider resistance R2 is connected between output OUT and ground end GND; This first divider resistance R1 is suitable with the second divider resistance R2 resistance, is 680K.The output power range of this first power tube Q1 and the second power tube Q2 is 10-20W.Rated operational current is 1-2A.
As seen, the drive IC scheme of the present embodiment is by integrated transistor, diode and resistance, obtain a most suitable power module, can be used for providing vibration and ballast, be compatible with the drive circuit of electricity-saving lamp and LED lamp, make simultaneously whole drive circuit simpler, debugging is convenient.Just can easily realize compatible electricity-saving lamp and LED lamp as long as adjust several peripheral cells.Reduce costs, improve the production efficiency of product.Especially get the raw materials ready, mount with the techniques such as making sheet on, can embody the advantage of this general scheme.So the technical program has obvious material and process costs optimization when electricity-saving lamp and two kinds of ligthing paraphernalias of LED lamp are produced simultaneously.
As shown in Figure 2, the present embodiment applies to the schematic diagram of a LED light fixture scheme.
Except IC, peripheral circuit comprises: the power end VIN of IC connects positive source; The first drive end VG1 and the second drive end VG2 are connected in respectively an end of a resistance R 7 by capacitor C 3 and C6; And cross-over connection resistance R 2 between this first drive end and the second drive end; The output OUT of IC connects an end of a capacitor C 2, belt carcass inductance L A, belt carcass inductance L B and capacitor C 7 simultaneously; The end of the other end contact resistance R1 of capacitor C 7 and an air core inductor L2; The other end of this air core inductor L2 is connected with the other end of belt carcass inductance L A; The other end ground connection of capacitor C 7;
Wherein, the other end of belt carcass inductance L B is as the first interchange end P1 that connects load; Positive source is output as one second by a capacitor C 5 and exchanges end P2; This first interchange end P1 holds P2 to connect respectively the LED lamp load with being connected to exchange.
This LED lamp load comprises: rectifier bridge DB2, two ac input end connect respectively the first interchange end P1 and exchange end P2 with second;
LED light source is the LED form of a plurality of series connection, forward access rectifier bridge DB2; Filter capacitor CS2 is connected across the both positive and negative polarity of this LED light source; Wherein the positive pole of this rectifier bridge DB2 connects positive source.
The power supply of the present embodiment comprises: rectifier bridge DB1, its cathode output end are as positive source, and its cathode output end is as the ground end; The ac input end of this rectifier bridge DB1 is connected to civil power AC by a LC filter network.The LC filter network has comprised capacitor C 1 and inductance L 2.
As shown in Figure 3, the present embodiment is used for the scheme of power saving fluorescent lamps load, and the power saving fluorescent lamps load comprises:
Fluorescent tube LAMP comprises two groups of filaments, and every group of filament has two links separately; Wherein, two groups of filaments link 1 separately with are connected the two ends that connect respectively a capacitor C 9; These two groups of filaments another link 2 separately connects respectively first and exchanges P1 and exchanges with second and hold P2 with being connected.
As seen, in two schemes, the peripheral cell of drive IC comprises R2, C3, C6, R7, C2, L2, LA, LB and C7, and its type of attachment is identical with structure, by adjusting its parameter, can adapt to expediently the scheme of Different Light or different capacity.As long as adjusting several peripheral original papers just can easily realize.Reduce costs, improve the production efficiency of two kinds of products, versatility is good.Especially, in this two schemes, can make common energy-saving lamp (CFL) 15W reduce costs 0.5 yuan with the lamp that places an order.LED lamp 15W reduces costs 3-5 yuan with the lamp that places an order.Has obvious economic benefit.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of namely doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (7)
1. be common to the drive IC of electricity-saving lamp and LED lamp, it is characterized in that: comprising:
To the first power tube and second power tube of pipe, wherein the first power tube is NPN transistor each other, oppositely accesses a protection diode between its collector and emitter; The second power tube is the transistor of positive-negative-positive, also oppositely accesses a protection diode between its emitter and collector;
Wherein, the current collection of this first power tube is the power end of this drive IC very, and its base stage is as the first drive end; The current collection of this second power tube is the ground end of this drive IC very, and its base stage is as the second drive end; This first power tube is connected as output with the emitter of the second power tube; One first divider resistance is connected between described power end and output, and one second divider resistance is connected between described output and ground end; This first divider resistance is suitable with the second divider resistance resistance.
2. the drive IC that is common to electricity-saving lamp and LED lamp according to claim 1, it is characterized in that: the output power range of this first power tube and the second power tube is 10-20W.
3. the drive IC that is common to electricity-saving lamp and LED lamp according to claim 1, it is characterized in that: the rated operational current of this first power tube and the second power tube is 1-2A.
4. according to claim 1 and 2 or 3 described drive IC that are common to electricity-saving lamp and LED lamp, it is characterized in that: the structure of its periphery circuit comprises:
Described power end connects positive source; Described the first drive end and the second drive end are connected in respectively an end of a resistance R 1 by capacitor C 3 and C6; And cross-over connection resistance R 2 between this first drive end and the second drive end;
Described output connects an end of a capacitor C 2, belt carcass inductance L A, belt carcass inductance L B and capacitor C 7 simultaneously; The other end of capacitor C 7 connects the end of described resistance R 1 and an air core inductor L2; The other end of this air core inductor L2 is connected with the other end of described belt carcass inductance L A; The other end ground connection of capacitor C 7;
Wherein, the other end of described belt carcass inductance L B is as the first interchange end that connects load; Described positive source is output as one second by a capacitor C 5 and exchanges end; This first interchange end connects respectively LED lamp load or power saving fluorescent lamps load with being connected to exchange to hold.
5. the drive IC of general-purpose energy-saving lamp and LED lamp according to claim 4, it is characterized in that: described periphery circuit comprises:
Rectifier bridge, its cathode output end are as described positive source, and its cathode output end is as hold describedly; The ac input end of this rectifier bridge is connected to civil power by a LC filter network.
6. be common to according to claim 5 the drive IC of electricity-saving lamp and LED lamp, it is characterized in that: described LED lamp load comprises:
Rectifier bridge, two ac input end connect respectively described the first interchange end and exchange end with second;
LED light source is the LED form of a plurality of series connection, the described rectifier bridge of forward access; And
Filter capacitor is connected across the both positive and negative polarity of this LED light source; Wherein the positive pole of this rectifier bridge connects described positive source.
7. be common to according to claim 5 the drive IC of electricity-saving lamp and LED lamp, it is characterized in that: described power saving fluorescent lamps load comprises:
Fluorescent tube comprises two groups of filaments, and every group of filament has two links separately; Wherein, two groups of filaments link separately connects respectively the two ends of a capacitor C 4; These two groups of filaments another link separately connects respectively the first interchange end and exchanges end with second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025520.3A CN103124462B (en) | 2013-01-21 | 2013-01-21 | Drive integrated circuit (IC) for energy saving lamp and lighting emitting diode (LED) lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025520.3A CN103124462B (en) | 2013-01-21 | 2013-01-21 | Drive integrated circuit (IC) for energy saving lamp and lighting emitting diode (LED) lamp |
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| Publication Number | Publication Date |
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| CN103124462A true CN103124462A (en) | 2013-05-29 |
| CN103124462B CN103124462B (en) | 2015-02-04 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5565740A (en) * | 1993-01-14 | 1996-10-15 | Matsushita Electric Works, Ltd. | Electronic ballast for hot cathode discharge lamps |
| CN2273090Y (en) * | 1995-12-30 | 1998-01-21 | 许天昀 | Semiconductor converter |
| CN102573178A (en) * | 2010-12-15 | 2012-07-11 | 成都蜀昌科技有限公司 | Universal voltage-stabilizing power supply for LED (light-emitting diode) lighting energy-saving lamp |
-
2013
- 2013-01-21 CN CN201310025520.3A patent/CN103124462B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5565740A (en) * | 1993-01-14 | 1996-10-15 | Matsushita Electric Works, Ltd. | Electronic ballast for hot cathode discharge lamps |
| CN2273090Y (en) * | 1995-12-30 | 1998-01-21 | 许天昀 | Semiconductor converter |
| CN102573178A (en) * | 2010-12-15 | 2012-07-11 | 成都蜀昌科技有限公司 | Universal voltage-stabilizing power supply for LED (light-emitting diode) lighting energy-saving lamp |
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| CN103124462B (en) | 2015-02-04 |
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