CN103118474B - The electricity-saving lamp trigger starting circuit of discharge off diode - Google Patents
The electricity-saving lamp trigger starting circuit of discharge off diode Download PDFInfo
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- CN103118474B CN103118474B CN201210436556.6A CN201210436556A CN103118474B CN 103118474 B CN103118474 B CN 103118474B CN 201210436556 A CN201210436556 A CN 201210436556A CN 103118474 B CN103118474 B CN 103118474B
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Abstract
The invention discloses the electricity-saving lamp trigger starting circuit of discharge off diode, it is characterized in that it comprises: a trigger device, its one end is connected to the base stage of inverter circuit switching tube V1; One charging capacitor C3, its one end connects the mid point of described inverter circuit; Its other end is connected with the other end of this trigger device, and is connected to a reference voltage point; When starting, the voltage of this mid point and the trigger voltage sum of described trigger device are not less than this reference voltage; This reference voltage o'clock connects positive source by a resistance R1, a charging paths, and these charging paths two ends are connected between described mid point and ground, and this charging paths utilizes supply voltage to charge to C3 when this start-up circuit powers on.The technical program does not need discharge diode, and has only used a little resistance and trigger device, ensure that perfect triggering start-up performance.The ballast of each electricity-saving lamp can be made to save a diode completely, and when producing in enormous quantities, its economic benefit is obvious.
Description
Technical field
The present invention relates to a kind of electronic circuit of lighting apparatus, specifically a kind of triggering for electricity-saving lamp starts circuit.
Background technology
Based on the fluorescent lamp of gas discharge, also claim electricity-saving lamp in lighting field, obtained the technique of significant progress and comparative maturity, its product has good light efficiency, color rendering index and suitable cost, in energy resource consumption, having undeniable advantage compared with conventional incandescent, is to be accepted more and more by consumer and to use.
The structure of this kind of electricity-saving lamp is rather ripe, widely accepted is especially compact fluorescent lamp (CFL), its structure includes luminous body, shell, ballast plate and standard lamp head, there is very compact form, often directly can replace and be docked with on traditional incandescent light fitting, there is conveniently handling characteristics.In the world, the output of this kind of CFL electricity-saving lamp is very huge, has billions of every year in recent years.There is larger economic impact.If on existing more ripe basis, when keeping function, electricity-saving lamp parts can be reduced, then can save huge product cost, bring considerable economic benefit.
As depicted in figs. 1 and 2, two kinds of common structures of existing electricity-saving lamp trigger starting circuit.In Fig. 1, the negative pole of diode D5 connects the mid point of electricity-saving lamp inverter circuit, and DB3 exports the trigger end of oscillating circuit transistor to.When circuit start, positive source is charged to C3 by R1, when C3 both end voltage is more than DB3 trigger voltage, and DB3 triggering and conducting, oscillating circuit is started working; In like manner, the another kind of circuit shown in Fig. 2, during startup, C3 is charged, until make DB3 both end voltage difference exceed trigger voltage, the electric current that then DB3 exports makes oscillating circuit start.Above two kinds of common trigger starting circuit all need to arrange discharge diode D5, make it have a unidirectional discharge loop to ensure that DB3 is no longer triggered after triggering.
Summary of the invention
For electricity-saving lamp urgently cost-effective problem, the present invention proposes the electricity-saving lamp trigger starting circuit of discharge off diode, and as first kind basic scheme, its technical scheme is as follows:
The electricity-saving lamp trigger starting circuit of discharge off diode, in push-pull inverter circuit, it comprises:
The trigger device of one both-end, its one end is connected to the base stage of inverter circuit switching tube V1;
One charging capacitor C3, its one end connects the mid point of described inverter circuit; Its other end is connected with the other end of this trigger device, and is connected to a reference voltage point; When starting, the voltage of this mid point and the trigger voltage sum of described trigger device are not less than this reference voltage; This reference voltage o'clock connects positive source by a resistance R1,
One charging paths, these charging paths two ends are connected between described mid point and ground, and this charging paths utilizes supply voltage to charge to C3 when this start-up circuit powers on.
As the preferred person of the technical program, improvement can be had in following:
In preferred embodiment, separately there is a resistance R2 to be connected between reference voltage point and power cathode, form a potential-divider network with resistance R1.
In preferred embodiment, this charging paths comprises a resistance R7.
In preferred embodiment, this charging paths comprises a R7 mutually connected and this inverter circuit primary coil Lc, and wherein R7 is connected with this mid point.
In preferred embodiment, this charging paths comprises R7, switching tube V2 base resistance R5 and this inverter circuit primary coil Lc of series connection mutually, and wherein R7 is connected with this mid point.
In preferred embodiment, described inverter circuit comprises:
This switching tube V1, its collector electrode connects positive source; Base stage connects described trigger tube one end, and connects the c end of a transformer secondary output winding L b by a resistance R3, and emitting stage connects described mid point;
Switching tube V2, its collector electrode connects described mid point, and emitting stage connects power cathode, and base stage connects the e end of another secondary winding Lc of described transformer by a resistance R5;
Wherein, mid point described in armature winding La mono-termination of described transformer, the other end connects fluorescent tube K1 end by a coil L2; Fluorescent tube K2 and K4 holds indirect C5, K3 to hold and connects positive pole by electric capacity C4; The d end of described transformer secondary output winding L b connects described mid point, the f termination power negative pole of Lc; C, f and a end is Same Name of Ends; Described K1 and K2 is the two ends of one group of filament, K3 and K4 is another group filament two ends.
As Equations of The Second Kind basic scheme, can be following embodiment:
The electricity-saving lamp trigger starting circuit of discharge off diode, in push-pull inverter circuit, comprising:
One both-end trigger device, its one end is connected to the base stage of inverter circuit switching tube V1;
One charging capacitor C3, its one end connects the mid point of described inverter circuit; Its other end is connected with the other end of this trigger device, and is connected to a reference voltage point; When starting, the trigger voltage sum of this reference voltage point voltage and described trigger device is not less than the voltage of described mid point; This reference voltage o'clock connects power cathode by a resistance R2, and
One charging paths, these charging paths two ends are connected between described mid point and positive source, and this charging paths utilizes supply voltage to charge to C3 when this start-up circuit powers on.
On the basis of this Equations of The Second Kind scheme, the improvement project that can have as:
In preferred embodiment, separately there is a resistance R1 to be connected between reference voltage point and positive source, form a potential-divider network with resistance R1.
In preferred embodiment, this charging paths comprises a resistance R7.
In preferred embodiment, this charging paths comprises R7 and this inverter circuit primary coil Lb of series connection mutually.
In preferred embodiment, this charging paths is R7, switching tube V1 base resistance R3 and this inverter circuit primary coil Lb of series connection mutually.
The beneficial effect that the present invention brings is:
1. whole triggering starts circuit does not need discharge diode, and has only used a little resistance and trigger device, ensure that perfect triggering start-up performance and triggers later fail safe.The ballast of each electricity-saving lamp can be made to save a diode completely, and when producing in enormous quantities, its economic benefit is obvious.
2. the technical program is used for compact type energy-saving lamp scheme, and whole ballast for energy-savnig lamp circuit is simple, and number of elements is few, and function is complete, has more reliable performance and good economic benefit.
Accompanying drawing explanation
Below in conjunction with accompanying drawing embodiment, the invention will be further described:
Fig. 1 is the structure of the first trigger starting circuit of prior art;
Fig. 2 is the structure of prior art the second trigger starting circuit:
Fig. 3 is the structure chart of the embodiment of the present invention one;
Fig. 4 is the structure chart of the embodiment of the present invention two;
Fig. 5 is the structure chart of the embodiment of the present invention three;
Fig. 6 is the structure chart of the embodiment of the present invention four;
Fig. 7 is the structure chart of the embodiment of the present invention five;
Fig. 8 is the structure chart of the embodiment of the present invention six;
Fig. 9 is the structure chart of the embodiment of the present invention seven, is a complete energy saving lamp ballast circuit;
Figure 10 is the structure chart of the embodiment of the present invention eight, is a complete energy saving lamp ballast circuit.
Embodiment
Embodiment one:
As shown in Figure 3, the electricity-saving lamp trigger starting circuit of discharge off diode, one end DRV as the diac DB3 of trigger device is connected to the base stage of inverter circuit switching tube V1;
One charging capacitor C3, its one end connects the mid point MID of described inverter circuit; Its other end is connected with the other end of this diac DB3, and be connected to resistance R1 and R2 etc. dividing point A, these dividing points A point as the reference voltage; Wherein R1 mono-termination power positive end; R2 mono-termination power supply negative terminal; And
One charging paths, the charging paths of the present embodiment is R7, and its one end is connected to power supply negative terminal, and the other end is connected to mid point MID; This charging paths R7 and this resistance R1, charging capacitor C3 form a complete charge circuit.
The moment of the present embodiment power on circuitry, supply voltage charges to C3 through R1, R7 at complete charge circuit, until C3 both end voltage exceedes the trigger voltage of diac DB3, so DB3 triggering and conducting, produce trigger current and flow to the transistor that trigger end DRV makes inverter circuit.After inverter circuit work, the magnitude of voltage of its mid point MID is the half of supply voltage effective value, due to the half that A point voltage is also voltage effective value, so C3 both end voltage levels off to 0V, thus DB3 both end voltage declines to such an extent as to lower than trigger voltage, this process is no longer carried out after C3 electrical energy discharge, so the function of diac DB3 is accomplished, the present embodiment triggers the corresponding inverter circuit of startup makes it normally work.Visible, whole triggering starts circuit does not need discharge diode, and has only used R1, R2, R7, C3 and DB3, ensure that perfect triggering start-up performance and triggers later fail safe.The ballast of each electricity-saving lamp can be made to save a diode completely, and when producing in enormous quantities, its economic benefit is obvious.
Embodiment two:
As shown in Figure 4, the structure chart of the embodiment of the present invention two, one end DRV of diac DB3 is connected to the base stage of inverter circuit switching tube V1; Charging capacitor C3, its one end connects the mid point MID of described inverter circuit; Its other end is connected with the other end of this diac DB3, and be connected to resistance R1 and R2 etc. dividing point A; Wherein R1 mono-termination power positive end; R2 mono-termination power supply negative terminal;
Charging paths in the present embodiment, the one end comprising R7, R5 and primary coil Lc, its Lc is connected to power supply negative terminal, and other end R7 is connected to this mid point MID; This charging paths and this resistance R1, charging capacitor C3 form a complete charge circuit.
This power on circuitry moment, in charge circuit, electric current flows through R1, R7, R5 and Lc and charges to C3, and when C3 both end voltage is higher than DB3 trigger voltage, C3 can be discharged to the base stage of V1 by the trigger end DRV of DB3, thus V1 conducting, inverter circuit starts.
Embodiment three:
As shown in Figure 5, the structure chart of the embodiment of the present invention three, one end DRV of diac DB3 is connected to the base stage of inverter circuit switching tube V1; Charging capacitor C3, its one end connects the mid point MID of described inverter circuit; Its other end is connected with the other end of this diac DB3, and be connected to resistance R1 and R2 etc. dividing point A; Wherein R1 mono-termination power positive end; R2 mono-termination power supply negative terminal;
Charging paths in the present embodiment, the one end comprising R7 and primary coil Lc, its Lc is connected to power supply negative terminal, and other end R7 is connected to this mid point MID; This charging paths and this resistance R1, charging capacitor C3 form a complete charge circuit.
This power on circuitry moment, in charge circuit, electric current flows through R1, R7 and Lc and charges to C3, and when C3 both end voltage is higher than DB3 trigger voltage, C3 can be discharged to the base stage of V1 by the trigger end DRV of DB3, thus V1 conducting, inverter circuit starts.
Visible above, embodiment one to embodiment three is based on same basic scheme, and namely charging paths is positioned at electronegative potential, thus charging paths, charging capacitor C3 and resistance R1 are a complete charge circuit; Meanwhile, the feature of this class scheme is, the principle of the startup of switching tube V1 is all due to trigger end DRV voltage rise, to such an extent as to V1 base voltage enough triggers startup.So, be not limited to the composition of charging paths itself, as long as whole charge circuit contains R1 and C3, so, charging paths can utilize other many components and parts series connection of circuit to realize, and such as base resistance R5, primary coil Lc etc., the almost limitless kind of charging paths itself may.
Embodiment four:
As shown in Figure 6, the structure chart of the embodiment of the present invention four, one end DRV of diac DB3 is connected to the base stage of inverter circuit switching tube V1; Charging capacitor C3, its one end connects the mid point MID of described inverter circuit; Its other end is connected with the other end of this diac DB3, and be connected to resistance R1 and R2 etc. dividing point A; Wherein R1 mono-termination power positive end; R2 mono-termination power supply negative terminal;
Charging paths in the present embodiment, comprises R7, and one end of its R7 is connected to power positive end, and the other end is connected to this mid point MID; This charging paths and this resistance R1, charging capacitor C3 form a complete charge circuit.
This power on circuitry moment, in charge circuit, electric current flows through R7 and R2 and charges to C3, when C3 both end voltage is higher than DB3 trigger voltage, DB3 conducting, C3 is along Lb, R3 electric discharge, and the d end of Lb produces forward electromotive force, thus produces forward sense electromotive force at the e end of primary coil Lc, therefore, this electromotive force, by V2 electric discharge, makes V2 conducting, and inverter circuit starts.The difference of the present embodiment and above-described embodiment is, charging capacitor C3 no longer directly starts the V1 in its discharge loop, but reaches target by induced electromotive force startup V2.
Embodiment five:
As shown in Figure 7, the structure chart of the embodiment of the present invention five, one end DRV of diac DB3 is connected to the base stage of inverter circuit switching tube V1; Charging capacitor C3, its one end connects the mid point MID of described inverter circuit; Its other end is connected with the other end of this diac DB3, and be connected to resistance R1 and R2 etc. dividing point A; Wherein R1 mono-termination power positive end; R2 mono-termination power supply negative terminal;
Charging paths in the present embodiment, the one end comprising R7 and primary coil Lb, its R7 is connected to power positive end, and the other end of Lb is connected to this mid point MID; This charging paths and this resistance R1, charging capacitor C3 form a complete charge circuit.
This power on circuitry moment, in charge circuit, electric current flows through R7 and Lb and charges to C3, when C3 both end voltage is higher than DB3 trigger voltage, C3 can by Lb, R3 and DB3 electric discharge, and d end produces forward electromotive force, thus produce forward electromotive force at the Same Name of Ends e of Lc, induced electromotive force in final Lc is by R5 to the electric discharge of V2 base stage, and final V2 conducting, inverter circuit starts.
Embodiment six:
As shown in Figure 8, the structure chart of the embodiment of the present invention six, one end DRV of diac DB3 is connected to the base stage of inverter circuit switching tube V1; Charging capacitor C3, its one end connects the mid point MID of described inverter circuit; Its other end is connected with the other end of this diac DB3, and be connected to resistance R1 and R2 etc. dividing point A; Wherein R1 mono-termination power positive end; R2 mono-termination power supply negative terminal;
Charging paths in the present embodiment, the one end comprising R7, R3 and primary coil Lb, its R7 is connected to power positive end, and the other end of Lb is connected to this mid point MID; This charging paths and this resistance R1, charging capacitor C3 form a complete charge circuit.
This power on circuitry moment, in charge circuit, electric current flows through R7, R3 and Lb and charges to C3, when C3 both end voltage is higher than DB3 trigger voltage, C3 can by Lb, R3 and DB3 electric discharge electric discharge, and d end produces forward electromotive force, thus produce forward electromotive force at the Same Name of Ends e of Lc, induced electromotive force in final Lc is by R5 to the electric discharge of V2 base stage, and final V2 conducting, inverter circuit starts.
Visible, embodiment four to embodiment six can be considered and belongs to Equations of The Second Kind basic scheme person, compared with the first kind, the feature of this Equations of The Second Kind basic scheme is: on the one hand, complete charge circuit comprises R2 and C3 and charging paths, and similar first kind scheme, charging paths itself can be almost limitless kind may, complete to C3 charging person all can realize as long as positive source can be communicated with; On the other hand, this programme circuit is used for push-pull inverter circuit, so the magnetic flux characteristic of primary coil Lc and Lb relation all as shown in Figure 6 to 8, the setting up procedure of this Equations of The Second Kind scheme is then caused by the induced electromotive force trigger switch pipe V2 base stage that obtained from Lb magnetic flux change by primary coil Lc.Push-pull inverter circuit certainly exists a mid point MID, so, no matter be the first kind or Equations of The Second Kind basic scheme, all use the reference point of this mid point as C3 discharge and recharge.
Embodiment seven:
As Fig. 9, this is a more complete ballast for energy-savnig lamp circuit.Wherein, inverter circuit comprises: switching tube V1 and V2, resistance R3 and R5, electric capacity C4 and C5 and transformer B.The collector electrode of switching tube V1 connects positive source, and base stage connects DRV end, and connects the c end of a transformer B secondary winding Lb by a resistance R3, and emitting stage connects mid point.The collector electrode of switching tube V2 meets mid point MID, and emitting stage connects power cathode, and base stage is by the e end of another secondary winding Lc of a resistance R5 connection transformer B;
Wherein, the armature winding La mono-termination mid point MID of transformer B, the other end connects fluorescent tube K1 end by a coil L2; Fluorescent tube K2 and K4 holds indirect C5, K3 to hold and connects positive pole by electric capacity C4; The d end of transformer B secondary winding Lb connects mid point MID, the f termination power negative pole of Lc; C, f and a end is Same Name of Ends; K1 and K2 is one group of glower end of fluorescent tube, K3 and K4 is the two ends of another group filament.
The start-up course of the present embodiment is with embodiment one, and whole ballast for energy-savnig lamp circuit is simple, and number of elements is few, and function is complete, has more reliable performance and good economic benefit.
Embodiment eight:
The present embodiment inverter circuit part with embodiment seven, unlike, its actuating section circuit is identical with embodiment four, so this power on circuitry moment, in charge circuit, electric current flows through R7 and R2 and charges to C3, when C3 both end voltage is higher than DB3 trigger voltage, and DB3 conducting, C3 is along Lb, R3 electric discharge, and the d end of Lb produces forward electromotive force, thus produces forward sense electromotive force at the e end of primary coil Lc, therefore, this electromotive force, by V2 electric discharge, makes V2 conducting, and inverter circuit starts.
The above, be only present pre-ferred embodiments, and except the above-mentioned accident enumerated, charging paths itself can have a lot of form, and be substantially classified as two large classes, a class is the charging paths comprising C3 and R1, and another kind of is the charging paths comprising C3 and R2; As long as charging paths can be charged to C3 when starting line start, can requirement be reached, no matter and how much extra charging paths itself contain element; Such as the circuit of filament portion even can be connected and do not affected its charging effect by charging paths, and based on this, whole schemes of charging paths can not be enumerated one by one, but as above-mentioned two class spirit persons, all belongs to the protection range of this patent.Based on this, scope of the invention process can not be limited according to the scheme of embodiment, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.
Claims (10)
1. the electricity-saving lamp trigger starting circuit of discharge off diode, in inverter circuit, is characterized in that: comprising:
One diac, its one end is connected to the base stage of inverter circuit switching tube V1;
One charging capacitor C3, its one end connects the tie point of the described emitter of inverter circuit breaker in middle pipe V1 and the drain electrode of switching tube V2; Its other end is connected with the other end of this diac, and is connected to a reference voltage point; When starting, the voltage of this tie point and the trigger voltage sum of described diac are not less than this reference voltage; This reference voltage o'clock connects positive source by a resistance R1,
One charging paths, these charging paths two ends are connected between described tie point and ground, and this charging paths utilizes supply voltage to charge to C3 when this start-up circuit powers on;
Described inverter circuit comprises:
Switching tube V1, its collector electrode connects positive source; Base stage connects described trigger end, and connects the c end of a transformer secondary output winding L b by a resistance R3, and emitting stage connects described tie point;
Switching tube V2, its collector electrode connects described tie point, and emitting stage connects power cathode, and base stage connects the e end of another secondary winding Lc of described transformer by a resistance R5;
Wherein, tie point described in armature winding La mono-termination of described transformer, the other end connects fluorescent tube K1 end by a coil L2; Fluorescent tube K2 and K4 holds indirect C5, K3 to hold and connects positive pole by electric capacity C4; The d end of described transformer secondary output winding L b connects described tie point, the f termination power negative pole of Lc; C, f and a end is Same Name of Ends; Described K1 and K2 is the two ends of one group of filament, K3 and K4 is another group filament two ends.
2. the electricity-saving lamp trigger starting circuit of discharge off diode according to claim 1, is characterized in that: separately have a resistance R2 to be connected between reference voltage point and power cathode, form a potential-divider network with resistance R1.
3. the electricity-saving lamp trigger starting circuit of discharge off diode according to claim 1 or 2, is characterized in that: this charging paths comprises a resistance R7, and its two ends are connected with the collector and emitter of switching tube V2 respectively.
4. the electricity-saving lamp trigger starting circuit of discharge off diode according to claim 1 or 2, is characterized in that: this charging paths comprises the R7 of series connection and this inverter circuit primary coil Lc mutually, and wherein R7 is connected with this tie point.
5. the electricity-saving lamp trigger starting circuit of discharge off diode according to claim 1 or 2, is characterized in that: this charging paths comprises R7, switching tube V2 base resistance R5 and this inverter circuit primary coil Lc of series connection mutually, and wherein R7 is connected with this tie point.
6. the electricity-saving lamp trigger starting circuit of discharge off diode, in inverter circuit, is characterized in that: comprising:
One diac, its one end is connected to the base stage of inverter circuit switching tube V1;
One charging capacitor C3, its one end connects the tie point of the described emitter of inverter circuit breaker in middle pipe V1 and the drain electrode of switching tube V2; Its other end is connected with the other end of this diac, and is connected to a reference voltage point; When starting, the trigger voltage sum of this reference voltage point voltage and described diac is not less than the voltage of described tie point; This reference voltage o'clock connects power cathode by a resistance R2, and
One charging paths, these charging paths two ends are connected between described tie point and positive source, and this charging paths utilizes supply voltage to charge to C3 when this start-up circuit powers on;
Described inverter circuit comprises:
Switching tube V1, its collector electrode connects positive source; Base stage connects described trigger end, and connects the c end of a transformer secondary output winding L b by a resistance R3, and emitting stage connects described tie point;
Switching tube V2, its collector electrode connects described tie point, and emitting stage connects power cathode, and base stage connects the e end of another secondary winding Lc of described transformer by a resistance R5;
Wherein, tie point described in armature winding La mono-termination of described transformer, the other end connects fluorescent tube K1 end by a coil L2; Fluorescent tube K2 and K4 holds indirect C5, K3 to hold and connects positive pole by electric capacity C4; The d end of described transformer secondary output winding L b connects described tie point, the f termination power negative pole of Lc; C, f and a end is Same Name of Ends; Described K1 and K2 is the two ends of one group of filament, K3 and K4 is another group filament two ends.
7. the electricity-saving lamp trigger starting circuit of discharge off diode according to claim 6, is characterized in that: separately have a resistance R1 to be connected between reference voltage point and positive source, form a potential-divider network with resistance R1.
8. the electricity-saving lamp trigger starting circuit of discharge off diode according to claim 6 or 7, is characterized in that: this charging paths comprises a resistance R7, and its two ends are connected with the collector and emitter of switching tube V2 respectively.
9. the electricity-saving lamp trigger starting circuit of discharge off diode according to claim 6 or 7, is characterized in that: this charging paths comprises R7 and this inverter circuit primary coil Lb of series connection mutually.
10. the electricity-saving lamp trigger starting circuit of discharge off diode according to claim 6 or 7, is characterized in that: this charging paths is R7, switching tube V1 base resistance R3 and this inverter circuit primary coil Lb of series connection mutually.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210436556.6A CN103118474B (en) | 2012-11-02 | 2012-11-02 | The electricity-saving lamp trigger starting circuit of discharge off diode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210436556.6A CN103118474B (en) | 2012-11-02 | 2012-11-02 | The electricity-saving lamp trigger starting circuit of discharge off diode |
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| CN103118474B true CN103118474B (en) | 2016-04-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1318968A (en) * | 2000-04-20 | 2001-10-24 | 许彐琼 | AC/AC converter for gas discharge lamp |
| EP1328139A1 (en) * | 2000-02-24 | 2003-07-16 | Hitachi, Ltd. | Digital powerline control |
| CN202310252U (en) * | 2011-09-28 | 2012-07-04 | 大连华奇电力自动化有限公司 | Half-bridge inverter single base starting circuit for 9W to 35W electric energy-saving lamp |
| CN203027581U (en) * | 2012-11-02 | 2013-06-26 | 厦门通士达照明有限公司 | Energy-saving lamp triggering and starting circuit |
-
2012
- 2012-11-02 CN CN201210436556.6A patent/CN103118474B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1328139A1 (en) * | 2000-02-24 | 2003-07-16 | Hitachi, Ltd. | Digital powerline control |
| CN1318968A (en) * | 2000-04-20 | 2001-10-24 | 许彐琼 | AC/AC converter for gas discharge lamp |
| CN202310252U (en) * | 2011-09-28 | 2012-07-04 | 大连华奇电力自动化有限公司 | Half-bridge inverter single base starting circuit for 9W to 35W electric energy-saving lamp |
| CN203027581U (en) * | 2012-11-02 | 2013-06-26 | 厦门通士达照明有限公司 | Energy-saving lamp triggering and starting circuit |
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| CN103118474A (en) | 2013-05-22 |
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