CN203027581U - Energy-saving lamp triggering and starting circuit - Google Patents
Energy-saving lamp triggering and starting circuit Download PDFInfo
- Publication number
- CN203027581U CN203027581U CN 201220577981 CN201220577981U CN203027581U CN 203027581 U CN203027581 U CN 203027581U CN 201220577981 CN201220577981 CN 201220577981 CN 201220577981 U CN201220577981 U CN 201220577981U CN 203027581 U CN203027581 U CN 203027581U
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- connects
- inverter circuit
- charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an energy-saving lamp triggering and starting circuit which is characterized in that the circuit comprises a triggering device, wherein one end of the triggering circuit is connected to a base electrode of a switch tube V1 of an inverter circuit; a charging capacitor C3, wherein one end of the charging capacitor C3 is connected to a midpoint of the inverter circuit, the other end of the charging capacitor C3 is connected with the other end of the triggering device and is connected to a reference voltage point, when in starting, the sum of the voltage of the midpoint and the triggering voltage of the triggering device is not less than reference voltage, the reference voltage point is connected to a power supply anode through a resistor R1; a charging branch, wherein two ends of the charging branch are respectively connected between the midpoint and the ground, and the charging branch uses power supply voltage to charge the C3 when the starting circuit is energized. According to the technical scheme, a discharge diode is not needed, only few resistors and trigger devices are used, and the complete triggering and starting function is ensured. One diode is completely saved for a ballast of each energy-saving lamp, and the economic benefit of the circuit is obvious in the mass production.
Description
Technical field
The utility model relates to a kind of electronic circuit of lighting apparatus, and specifically a kind of triggering for electricity-saving lamp starts circuit.
Background technology
Fluorescent lamp based on gas discharge, also claim electricity-saving lamp to obtain the technique of significant progress and comparative maturity in lighting field, its product has good light efficiency, color rendering index and suitable cost, in energy resource consumption, comparing with conventional incandescent and have undeniable advantage, is to be accepted more and more and to use by the consumer.
The structure of this class electricity-saving lamp is rather ripe, widely accepted especially is compact fluorescent lamp (CFL), its structure has comprised luminous body, shell, ballast plate and standard lamp head, has very compact form, often can directly replace and be docked with on traditional incandescent light fitting, have handling characteristics very easily.In the world, the output of this class CFL electricity-saving lamp is very huge, has billions of every year in recent years.Has larger economic impact.If can keep reducing the electricity-saving lamp parts in the situation of function on existing more ripe basis, 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 transistorized trigger end of oscillating circuit to.When circuit start, positive source charges to C3 by R1, when the C3 both end voltage surpasses the DB3 trigger voltage, and the DB3 triggering and conducting, oscillating circuit is started working; In like manner, another kind of circuit shown in Figure 2, during startup, C3 is recharged, until make the poor trigger voltage that surpasses of DB3 both end voltage, then the electric current of DB3 output starts oscillating circuit.Above two kinds of common trigger starting circuit all need discharge diode D5 is set, and it is had no longer be triggered after a unidirectional discharge loop triggers with assurance DB3.
The utility model content
Demand cost-effective problem urgently for electricity-saving lamp, the utility model proposes electricity-saving lamp and trigger the startup circuit, as first kind basic scheme, its technical scheme is as follows:
Electricity-saving lamp triggers and starts circuit, is used for push-pull inverter circuit, and it comprises:
The trigger device of one both-end, one end are trigger end, and this trigger end is connected in the base stage of inverter circuit switching tube V1;
One charging capacitor C3, the one end connects the mid point of described inverter circuit; The other end of its other end and this trigger device is connected, and is connected in a reference voltage point; The voltage of this mid point and the trigger voltage sum of described trigger device are not less than this reference voltage when starting; This reference voltage o'clock connects positive source by a resistance R 1,
One charging paths, this 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, can have improvement aspect following:
In preferred embodiment, separately there is a resistance R 2 to be connected between reference voltage point and power cathode, consists of a potential-divider network with resistance R 1.
In preferred embodiment, this charging paths comprises a resistance R 7.
In preferred embodiment, this charging paths comprises the R7 that mutually connects 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 mutual series connection, 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 R 3, 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 R 5;
Wherein, the armature winding La one described mid point of termination of described transformer, the other end connects fluorescent tube K1 end by a coil L2; Fluorescent tube K2 and the indirect C5 of K4 end, the K3 end connects positive pole by capacitor C 4; 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 are Same Name of Ends; Described K1 and K2 are the two ends of one group of filament, and K3 and K4 are another group filament two ends.
As Equations of The Second Kind basic scheme, can be following embodiment:
Electricity-saving lamp triggers and starts circuit, is used for push-pull inverter circuit, comprising:
One both-end trigger device, the base stage of one termination inverter circuit switching tube V1;
One charging capacitor C3, the one end connects the mid point of described inverter circuit; The other end of its other end and this trigger device is connected, and is connected in a reference voltage point; The trigger voltage sum of this reference voltage point voltage and described trigger device is not less than the voltage of described mid point when starting; This reference voltage o'clock connects power cathode by a resistance R 2, and
One charging paths, this 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 R 1 to be connected between reference voltage point and positive source, consists of a potential-divider network with resistance R 1.
In preferred embodiment, this charging paths comprises a resistance R 7.
In preferred embodiment, this charging paths comprises R7 and this inverter circuit primary coil Lb of mutual series connection.
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 utility model brings is:
1. whole triggering starts circuit does not need discharge diode, and has only used a little resistance and trigger device, has guaranteed perfect triggering start-up performance and has triggered later fail safe.Can make the ballast of each electricity-saving lamp save a diode fully, its economic benefit is obvious when producing in enormous quantities.
2. the technical program is used for the compact type energy-saving lamp scheme, and whole ballast for energy-savnig lamp circuit is simple, and number of elements is few, and telotism has more reliable performance and economic benefit preferably.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing embodiment:
Fig. 1 is the structure of prior art the first trigger starting circuit;
Fig. 2 is the structure of prior art the second trigger starting circuit:
Fig. 3 is the structure chart of the utility model embodiment one;
Fig. 4 is the structure chart of the utility model embodiment two;
Fig. 5 is the structure chart of the utility model embodiment three;
Fig. 6 is the structure chart of the utility model embodiment four;
Fig. 7 is the structure chart of the utility model embodiment five;
Fig. 8 is the structure chart of the utility model embodiment six;
Fig. 9 is the structure chart of the utility model embodiment seven, is a complete energy saving lamp ballast circuit;
Figure 10 is the structure chart of the utility model embodiment eight, is a complete energy saving lamp ballast circuit.
Embodiment
Embodiment one:
As shown in Figure 3, electricity-saving lamp trigger to start circuit, is connected in the base stage of inverter circuit switching tube V1 as the end DRV of the diac DB3 of trigger device;
One charging capacitor C3, the 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 in resistance R 1 and R2 etc. dividing point A, these dividing points A is as the reference electrical voltage point; R1 one termination power anode wherein; R2 one termination power negative terminal; And
One charging paths, the charging paths of the present embodiment are R7, and the one end is connected in power supply negative terminal, and the other end is connected in mid point MID; This charging paths R7 and this resistance R 1, charging capacitor C3 consist of 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 the C3 both end voltage surpasses the trigger voltage of diac DB3, so the DB3 triggering and conducting produces trigger current and flows to the transistor work that trigger end DRV makes inverter circuit.After inverter circuit work, the magnitude of voltage of its mid point MID is half of supply voltage effective value, be also half of voltage effective value due to the A point voltage, so the C3 both end voltage levels off to 0V, thereby to such an extent as to the DB3 both end voltage descend lower than trigger voltage, this process is no longer carried out after C3 electric energy discharge off, so the function of diac DB3 is accomplished, the present embodiment triggers the corresponding inverter circuit of startup and makes its normal operation.As seen, whole triggering starts circuit does not need discharge diode, and has only used R1, R2, R7, C3 and DB3, has guaranteed perfect triggering start-up performance and has triggered later fail safe.Can make the ballast of each electricity-saving lamp save a diode fully, its economic benefit is obvious when producing in enormous quantities.
Embodiment two:
As shown in Figure 4, the structure chart of the utility model embodiment two, the end DRV of diac DB3 is connected in the base stage of inverter circuit switching tube V1; Charging capacitor C3, the 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 in resistance R 1 and R2 etc. dividing point A; R1 one termination power anode wherein; R2 one termination power negative terminal;
Charging paths in the present embodiment comprises R7, R5 and primary coil Lc, and the end of its Lc is connected in power supply negative terminal, and other end R7 is connected in this mid point MID; This charging paths and this resistance R 1, charging capacitor C3 consist of a complete charge circuit.
This power on circuitry moment, in charge circuit, flow through R1, R7, R5 and Lc of electric current charges to C3, and when the C3 both end voltage during higher than the DB3 trigger voltage, the trigger end DRV that C3 can be by DB3 is to the base stage discharge of V1, thus the V1 conducting, and inverter circuit starts.
Embodiment three:
As shown in Figure 5, the structure chart of the utility model embodiment three, the end DRV of diac DB3 is connected in the base stage of inverter circuit switching tube V1; Charging capacitor C3, the 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 in resistance R 1 and R2 etc. dividing point A; R1 one termination power anode wherein; R2 one termination power negative terminal;
Charging paths in the present embodiment comprises R7 and primary coil Lc, and the end of its Lc is connected in power supply negative terminal, and other end R7 is connected in this mid point MID; This charging paths and this resistance R 1, charging capacitor C3 consist of a complete charge circuit.
This power on circuitry moment, in charge circuit, flow through R1, R7 and Lc of electric current charges to C3, and when the C3 both end voltage during higher than the DB3 trigger voltage, the trigger end DRV that C3 can be by DB3 is to the base stage discharge of V1, thus the V1 conducting, and inverter circuit starts.
As seen above, embodiment one to embodiment three is based on same basic scheme, and namely charging paths is positioned at electronegative potential, thereby charging paths, charging capacitor C3 and resistance R 1 are all a complete charge circuit; Simultaneously, the characteristics of this class scheme are that the principle of the startup of switching tube V1 is all because trigger end DRV voltage rises, what triggering started to such an extent as to the V1 base voltage is enough.So, be not limited to the composition of charging paths itself, as long as whole charge circuit has comprised R1 and C3, so, charging paths can utilize other many components and parts series connection of circuit to realize, for example base resistance R5, primary coil Lc etc., and charging paths itself is close to the unlimited possibility of planting.
Embodiment four:
As shown in Figure 6, the structure chart of the utility model embodiment four, the end DRV of diac DB3 is connected in the base stage of inverter circuit switching tube V1; Charging capacitor C3, the 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 in resistance R 1 and R2 etc. dividing point A; R1 one termination power anode wherein; R2 one termination power negative terminal;
Charging paths in the present embodiment comprises R7, and the end of its R7 is connected in power positive end, and the other end is connected in this mid point MID; This charging paths and this resistance R 1, charging capacitor C3 consist of a complete charge circuit.
This power on circuitry moment, in charge circuit, flow through R7 and R2 of electric current charges to C3, when the C3 both end voltage during higher than the DB3 trigger voltage, the DB3 conducting, C3 is along Lb, R3 discharge, and the d end of Lb produces the forward electromotive force, thereby produces the forward sense electromotive force at the e of primary coil Lc end, therefore, this electromotive force makes the V2 conducting by to the V2 discharge, 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, reaches target but start V2 by induced electromotive force.
Embodiment five:
As shown in Figure 7, the structure chart of the utility model embodiment five, the end DRV of diac DB3 is connected in the base stage of inverter circuit switching tube V1; Charging capacitor C3, the 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 in resistance R 1 and R2 etc. dividing point A; R1 one termination power anode wherein; R2 one termination power negative terminal;
Charging paths in the present embodiment comprises R7 and primary coil Lb, and the end of its R7 is connected in power positive end, and the other end of Lb is connected in this mid point MID; This charging paths and this resistance R 1, charging capacitor C3 consist of a complete charge circuit.
This power on circuitry moment, in charge circuit, flow through R7 and Lb of electric current charges to C3, during higher than the DB3 trigger voltage, C3 can pass through Lb, R3 and DB3 discharge when the C3 both end voltage, and the d end produces the forward electromotive force, thereby the Same Name of Ends e at Lc produces the forward electromotive force, induced electromotive force in final Lc discharges to the V2 base stage by R5, final V2 conducting, and inverter circuit starts.
Embodiment six:
As shown in Figure 8, the structure chart of the utility model embodiment six, the end DRV of diac DB3 is connected in the base stage of inverter circuit switching tube V1; Charging capacitor C3, the 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 in resistance R 1 and R2 etc. dividing point A; R1 one termination power anode wherein; R2 one termination power negative terminal;
Charging paths in the present embodiment comprises R7, R3 and primary coil Lb, and the end of its R7 is connected in power positive end, and the other end of Lb is connected in this mid point MID; This charging paths and this resistance R 1, charging capacitor C3 consist of a complete charge circuit.
This power on circuitry moment, in charge circuit, flow through R7, R3 and Lb of electric current charges to C3, during higher than the DB3 trigger voltage, C3 can pass through Lb, R3 and DB3 discharge discharge when the C3 both end voltage, and the d end produces the forward electromotive force, thereby the Same Name of Ends e at Lc produces the forward electromotive force, induced electromotive force in final Lc discharges to the V2 base stage by R5, final V2 conducting, and inverter circuit starts.
As seen, embodiment four to embodiment six can be considered and belongs to Equations of The Second Kind basic scheme person, compare with the first kind, the characteristics of this Equations of The Second Kind basic scheme are: on the one hand, complete charge circuit comprises R2 and C3 and charging paths, and similar first kind scheme, charging paths itself can be close to unlimited plant may, complete to C3 charging person and all can realize as long as can be communicated with positive source; 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 all as Fig. 6 to relation shown in Figure 8, the setting up procedure of this Equations of The Second Kind scheme is due to the induced electromotive force trigger switch pipe V2 base stage that obtains from the 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 that this mid point discharges and recharges as C3.
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 R 3 and R5, capacitor C 4 and C5 and transformer B.The collector electrode of switching tube V1 connects positive source, and base stage connects the DRV end, and connects the c end of a transformer B secondary winding Lb by a resistance R 3, 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 resistance R 5 connection transformer B;
Wherein, the armature winding La one termination mid point MID of transformer B, the other end connects fluorescent tube K1 end by a coil L2; Fluorescent tube K2 and the indirect C5 of K4 end, the K3 end connects positive pole by capacitor C 4; 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 are Same Name of Ends; K1 and K2 are one group of glower end of fluorescent tube, and K3 and K4 are 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 telotism has more reliable performance and economic benefit preferably.
Embodiment eight:
The present embodiment inverter circuit part is with embodiment seven, and different is that its actuating section circuit is identical with embodiment four, so this power on circuitry moment is in charge circuit, flow through R7 and R2 of electric current charges to C3, when the C3 both end voltage during higher than the DB3 trigger voltage, and the DB3 conducting, C3 is along Lb, R3 discharge, and the d end of Lb produces the forward electromotive force, thereby produces the forward sense electromotive force at the e of primary coil Lc end, therefore, this electromotive force makes the V2 conducting by to the V2 discharge, and inverter circuit starts.
The above is only the utility model preferred embodiment, and except the above-mentioned accident of enumerating, charging paths itself can have a lot of forms, basically is classified as two large classes, and a class is the charging paths that comprises C3 and R1, and another kind of is the charging paths that comprises C3 and R2; As long as charging paths can be charged to C3 when starting line start, can reach requirement, no matter and charging paths itself has comprised how many extra elements; Such as charging paths even can be connected the circuit of filament part and do not affect its charging effect, based on this, whole schemes of charging paths can not be enumerated one by one, but as above-mentioned two class spirit persons, all belong to the protection range of this patent.Based on this, can not limit the scope that the utility model is implemented according to the scheme of embodiment, the equivalence of namely doing according to the utility model the scope of the claims and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (10)
1. an electricity-saving lamp triggers and starts circuit, is used for inverter circuit, it is characterized in that: comprising:
One trigger device, the one end is connected in the base stage of inverter circuit switching tube V1;
One charging capacitor C3, the one end connects the mid point of described inverter circuit; The other end of its other end and this trigger device is connected, and is connected in when starting its voltage less than a reference voltage point of the trigger voltage sum of this mid-point voltage and this trigger device; This reference voltage o'clock connects positive source by a resistance R 1,
Can be to a charging paths of this charging capacitor C3 charging, this charging paths two ends are connected between described mid point and ground.
2. a kind of electricity-saving lamp triggers the startup circuit according to claim 1, it is characterized in that: separately have a resistance R 2 to be connected between reference voltage point and power cathode, consist of a potential-divider network with resistance R 1.
3. described a kind of electricity-saving lamp triggers the startup circuit according to claim 1 and 2, and it is characterized in that: this charging paths comprises a resistance R 7.
3. described a kind of electricity-saving lamp triggers the startup circuit according to claim 1 and 2, it is characterized in that: this charging paths comprises the R7 that mutually connects and this inverter circuit primary coil Lc, and wherein R7 is connected with this mid point.
4. described a kind of electricity-saving lamp triggers the startup circuit according to claim 1 and 2, and it is characterized in that: this charging paths comprises R7, switching tube V2 base resistance R5 and this inverter circuit primary coil Lc of mutual series connection, and wherein R7 is connected with this mid point.
5. according to claim 1 and 2 or 3 or 4 described a kind of electricity-saving lamps trigger and start circuit, and it is characterized in that: described inverter circuit comprises:
This 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 R 3, 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 R 5;
Wherein, the armature winding La one described mid point of termination of described transformer, the other end connects fluorescent tube K1 end by a coil L2; Fluorescent tube K2 and the indirect C5 of K4 end, the K3 end connects positive pole by capacitor C 4; 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 are Same Name of Ends; Described K1 and K2 are the two ends of one group of filament, and K3 and K4 are another group filament two ends.
6. an electricity-saving lamp triggers and starts circuit, is used for inverter circuit, it is characterized in that: comprising:
One trigger device, the one end is connected in the base stage of inverter circuit switching tube V1;
One charging capacitor C3, the one end connects the mid point of described inverter circuit; The other end of its other end and this trigger device is connected, and is connected in the reference voltage point that its magnitude of voltage is not less than the difference of this mid point and this trigger voltage; This reference voltage o'clock connects power cathode by a resistance R 2, and
Can be to a charging paths of this charging capacitor C3 charging, this charging paths two ends are connected between described mid point and positive source.
7. a kind of electricity-saving lamp triggers the startup circuit according to claim 6, it is characterized in that: separately have a resistance R 1 to be connected between reference voltage point and positive source, consist of a potential-divider network with resistance R 1.
8. according to claim 6 or 7 described a kind of electricity-saving lamps trigger and start circuit, and it is characterized in that: this charging paths comprises a resistance R 7.
9. according to claim 6 or 7 described a kind of electricity-saving lamps trigger and start circuit, it is characterized in that: this charging paths comprises R7 and this inverter circuit primary coil Lb of mutual series connection.
10. according to claim 6 or 7 described a kind of electricity-saving lamps trigger and start circuit, it 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577981 CN203027581U (en) | 2012-11-02 | 2012-11-02 | Energy-saving lamp triggering and starting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220577981 CN203027581U (en) | 2012-11-02 | 2012-11-02 | Energy-saving lamp triggering and starting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203027581U true CN203027581U (en) | 2013-06-26 |
Family
ID=48651519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220577981 Expired - Fee Related CN203027581U (en) | 2012-11-02 | 2012-11-02 | Energy-saving lamp triggering and starting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203027581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118474A (en) * | 2012-11-02 | 2013-05-22 | 厦门通士达照明有限公司 | Energy-saving lamp trigger-starting circuit of non-discharge diode |
-
2012
- 2012-11-02 CN CN 201220577981 patent/CN203027581U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118474A (en) * | 2012-11-02 | 2013-05-22 | 厦门通士达照明有限公司 | Energy-saving lamp trigger-starting circuit of non-discharge diode |
| CN103118474B (en) * | 2012-11-02 | 2016-04-20 | 厦门通士达照明有限公司 | The electricity-saving lamp trigger starting circuit of discharge off diode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203225926U (en) | LED lamp having self-adaptive drive circuit and self-adaptive drive circuit | |
| CN203734894U (en) | LED drive circuit | |
| CN203027581U (en) | Energy-saving lamp triggering and starting circuit | |
| CN202551458U (en) | Conversion module for driving LED (Light-Emitting Diode) by using electronic ballast | |
| CN103118474B (en) | The electricity-saving lamp trigger starting circuit of discharge off diode | |
| CN201601859U (en) | Non-isolated LED driving circuit | |
| CN201885015U (en) | High-efficiency energy-saving LED (light emitting diode) straight-tube lamp | |
| CN202931602U (en) | Improved structure of LED fluorescent lamp driving circuit | |
| CN203537623U (en) | LED driving power supply | |
| CN202679708U (en) | LED (light emitting diode) driving circuit | |
| CN203872420U (en) | Electronic transformer of halogen lamp | |
| CN201550342U (en) | High-frequency energy saving lamp circuit | |
| CN204707313U (en) | A kind of LED protection circuit | |
| CN209016705U (en) | A kind of voltage-suppressing circuit of ballast | |
| CN102080779A (en) | Efficient energy-saving type LED (light emitting diode) straight pipe lamp | |
| CN210225841U (en) | G4LED lamp | |
| CN201983065U (en) | Compatible illuminating lamp | |
| CN203015180U (en) | Novel LED sound-and-light-controlled isolation type power supply circuit | |
| CN201039522Y (en) | LED driver | |
| CN204887654U (en) | Light -operated stroboscopic lamp | |
| CN206077783U (en) | A kind of constant-current LED driver | |
| CN203057597U (en) | Novel LED infrared remote control isolation-type power supply circuit | |
| CN1445904A (en) | Portable type charger mobile phone | |
| CN2483936Y (en) | Electronic ballast of low-power metal halide lamp | |
| CN2475252Y (en) | Semiconductor energy-saving lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20161102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |