CN204377221U - The LED lamp tube driver of compatible electronic ballast - Google Patents
The LED lamp tube driver of compatible electronic ballast Download PDFInfo
- Publication number
- CN204377221U CN204377221U CN201520092426.4U CN201520092426U CN204377221U CN 204377221 U CN204377221 U CN 204377221U CN 201520092426 U CN201520092426 U CN 201520092426U CN 204377221 U CN204377221 U CN 204377221U
- Authority
- CN
- China
- Prior art keywords
- circuit
- bridge rectifier
- diode
- output
- input
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of LED lamp tube driver of compatible electronic ballast, this LED lamp tube driver comprises for the first input end of input AC electricity, the second input, the impedance circuit be connected with the second input with first input end, the first bridge rectifier be connected with impedance circuit, the high-voltage starting circuit that is connected with the first bridge rectifier, the LED group be connected with high-voltage starting circuit; Impedance circuit is used for carrying out step-down to alternating current, and the voltage of the alternating current exported to make it is preset value; The alternating current that first bridge rectifier is used for impedance circuit exports converts direct current to; When alternating current is high voltage input, high-voltage starting circuit conducting, makes LED group and the first bridge rectifier conducting, and after switch when alternating current is low-voltage input, keeps LED group and the first bridge rectifier conducting.LED lamp tube driver provided by the utility model has compatible strong, energy-conservation, safe and reliable feature.
Description
Technical field
The utility model relates to LED illumination application, particularly relates to a kind of LED lamp tube driver of compatible electronic ballast.
Background technology
LED, as the lighting source of green, is used widely at illuminating industry in recent years, and the fluorescent lamp that LED substitutes low pressure gaseous discharge has also become a kind of trend.For the LED driver of the feature development of LED component, novel illumination LED lamp is formed with LED component, substitute in the process of conventional fluorescent in use LED lamp, adopting the electric ballast of conventional ADS driving fluorescent lamp to carry out driving LED device (as LED lamp tube) is an important development trend.
The LED lamp tube driver of current market compatible electronic ballast adopts Switching Power Supply mode, electric ballast is exported and is used as AC input, carry out high frequency oscillation by internal control circuit after carrying out filter rectification, carry out voltage transformation, circuit structure is consistent with traditional Switching Power Supply.Adopt the LED lamp tube driver of the compatible electronic ballast of traditional switch power mode, compatibility is not good, can only compatible portion electric ballast, replacement can not be compatible electric ballast time, will damage electric ballast or LED lamp tube driver, and Switching Power Supply self can produce EMI interference, efficiency is not high, do not meet ideas of energy-saving, and with high costs.
The Linear actuator of current market compatible electronic ballast, electric ballast is exported and is used as AC input, carry out step-down by semiconductor device (as triode, metal-oxide-semiconductor) after carrying out filter rectification, part energy loss is obtained lower output on this semiconductor device.When adopting the Linear actuator of compatible electric ballast to be applied to fluorescent tube series products, can not meet the insulating requirements of lamp tube ends, there is electric shock risk during installation, can not meet safety requirement, and the otherness of power output is comparatively large, compatibility is not good.
The Linear actuator of current market compatible electronic ballast, exports electric ballast and is used as AC input, be connected to LED module, thus reduce system power by rectification after tandem electric inductance or capacitance decompression.The Linear actuator of this compatible electronic ballast is not well positioned to meet preheating start-up type electric ballast, can not simulate the start-up course of fluorescent lamp, changes the original start-up course of electric ballast, increases the possibility that electric ballast damages.
Utility model content
The technical problems to be solved in the utility model is, for the defect of prior art, provides a kind of compatibility the strong LED lamp tube driver that also can realize the compatible electronic ballast of pipeline start up by preheating.
The utility model solves the technical scheme that its technical problem adopts: a kind of LED lamp tube driver of compatible electronic ballast, comprise for the first input end of input AC electricity, the second input, the impedance circuit be connected with described second input with described first input end, the first bridge rectifier be connected with described impedance circuit, the high-voltage starting circuit that is connected with described first bridge rectifier, the LED group be connected with described high-voltage starting circuit;
Described impedance circuit is used for carrying out step-down to alternating current, and the voltage of the alternating current exported to make it is preset value; Described first bridge rectifier is used for converting the alternating current that described impedance circuit exports to direct current;
When described alternating current is high voltage input, described high-voltage starting circuit conducting, make described LED group and described first bridge rectifier conducting, and after switch when described alternating current is low-voltage input, keep described LED group and described first bridge rectifier conducting.
Preferably, described impedance circuit is LCL impedance circuit, the circuit bypass electric capacity CY1 comprising the inductance L 1 be connected with described first input end, the inductance L 2 be connected with described second input and be connected between described inductance L 1 and described inductance L 2.
Preferably, the second current foldback circuit also comprising the first current foldback circuit be connected with described first input end and be connected with described second input.
Preferably, described first input end comprises the first pin PIN1 and the second pin PIN2, and described first current foldback circuit comprises the fuse F1 be connected between described first pin PIN1 and described second pin PIN2 and the fuse F3 be connected between described first pin PIN1 and described inductance L 1;
Described second input comprises three-prong PIN3 and the 4th pin PIN4, and described second current foldback circuit comprises the fuse F2 be connected between described three-prong PIN3 and the 4th pin PIN4.
Preferably, the high-pass filtering circuit be connected with described second current foldback circuit with described first current foldback circuit respectively is also comprised.
Preferably, described high-pass filtering circuit comprises the circuit bypass electric capacity CY2 be connected with described fuse F3, the transformer T1 being connected described circuit bypass resistance CY2 and described three-prong PIN3.
Preferably; also comprise the electrocution-proof protection circuit be connected with described impedance circuit with described high-pass filtering circuit respectively; described electrocution-proof protection circuit comprises the second bridge rectifier be connected with described high-pass filtering circuit, the direct current linear voltage-stabilizing circuit be connected with described second bridge rectifier, and described direct current linear voltage-stabilizing circuit is connected with described impedance circuit.
Preferably, described direct current linear voltage-stabilizing circuit comprise K switch 1 for connecting described impedance circuit and described second input, be connected with described K switch 1 for controlling metal-oxide-semiconductor Q2, the resistance R3 of described K switch 1 break-make, resistance R5, voltage stabilizing didoe ZD3 and electric capacity C5; The D pole of described metal-oxide-semiconductor Q2 is connected with the first output of described second bridge rectifier by described resistance R5, the S pole of described metal-oxide-semiconductor is connected with described K switch 1, the G pole of described metal-oxide-semiconductor is connected with described voltage stabilizing didoe ZD3 with described resistance R3 respectively, described K switch 1 is connected with the second output of described second bridge rectifier, described resistance R3 is connected with the first output of described second bridge rectifier, described voltage stabilizing didoe ZD3 is connected with the second output of described second bridge rectifier, and described electric capacity C5 is connected in parallel in described K switch 1.
Preferably, described high-voltage starting circuit comprises voltage stabilizing didoe ZD1, voltage stabilizing didoe ZD2, resistance R1, resistance R2, resistance R4 between the first output of switching tube Q1, electric capacity C3 and described first bridge rectifier of series connection access and the second output, the first end of described switching tube Q1 is connected with described LED group, second end is connected with the second output of described first bridge rectifier, and the 3rd termination enters between described resistance R2 and resistance R4.
Preferably, described first bridge rectifier comprises diode D1, diode D2, diode D3, diode D4 and filter capacitor C1, the positive pole of described diode D1 is connected with described inductance L 1 with the negative pole of described diode D3, the positive pole of described diode D2 is connected with described inductance L 2 with the negative pole of described diode D4, the negative pole of described two pole D1 and the negative pole of described diode D2 are the first output of described first bridge rectifier, second output of the positive pole of described diode D3 and just very described first bridge rectifier of described diode D4, between the first output that described filter capacitor C1 is connected in parallel on described first bridge rectifier and the second output,
Described second bridge rectifier comprises and diode D5, diode D6, diode D7, diode D8 and filter capacitor C4; The positive pole of described diode D5 is connected with first output of described transformer T1 with the negative pole of described diode D6, the positive pole of described diode D7 is connected with second output of described transformer T2 with the negative pole of described diode D8, the negative pole of described diode D5 and the negative pole of described diode D7 are the first output of described second bridge rectifier, the second output of the positive pole of described diode D6 and just very described second bridge rectifier of described diode D8; Between the first output that described filter circuit C4 is connected in parallel on described second bridge rectifier and the second output.
The utility model compared with prior art tool has the following advantages: the feature of the LED lamp tube driver simulation conventional fluorescent of compatible electronic ballast provided by the utility model, can compatible all electric ballasts, when adopting LED lamp tube to substitute traditional fluorescent tube, circuit change need not be carried out.Implement the utility model, adopt LED lamp tube to substitute traditional fluorescent lighting fixture, keeping the output current of electric ballast, voltage in the output area that it is specified, namely achieving firm power and export, can make that its power reduces to original 50%, to realize energy-conservation object.The utility model mesohigh start-up circuit can make LED lamp tube have traditional fluorescent tube at high pressure build-up of luminance; the feature of low-voltage is operated in after build-up of luminance; the preheating delayed startup the same with fluorescent tube can be realized, be not damaged when protection electric ballast starts, and can compatible all electric ballasts.Impedance circuit in the LED lamp tube driver provided of the present utility model, effectively can avoid producing EMI interference, have the feature of high reliability; And can effectively reduce the wastage, to reach energy-conservation object.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is a theory diagram of the LED lamp tube driver of compatible electronic ballast in the utility model one embodiment.
Fig. 2 is another theory diagram of the LED lamp tube driver of compatible electronic ballast in the utility model one embodiment.
Fig. 3 is the circuit diagram of the LED lamp tube driver of compatible electronic ballast in the utility model one embodiment.
In figure: 11, first input end; 12, the second input; 20, impedance circuit; 30, the first bridge rectifier; 40, high-voltage starting circuit; 50, LED group; 61, the first current foldback circuit; 62, the second current foldback circuit; 70, high-pass filtering circuit; 80, electrocution-proof protection circuit; 81, the second bridge rectifier; 82, direct current linear voltage-stabilizing circuit.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Fig. 1-Fig. 3 illustrates the LED lamp tube driver of the compatible electronic ballast in the utility model one embodiment.As shown in Figure 1 and Figure 2, this LED lamp tube driver comprises for first input end 11, second input 12 of input AC electricity, the impedance circuit 20 be connected with the second input 12 with first input end 11, the first bridge rectifier 30 be connected with impedance circuit 20, the high-voltage starting circuit 40 that is connected with the first bridge rectifier 30, the LED group 50 be connected with high-voltage starting circuit 40.
Impedance circuit 20 is for simulating fluorescent lamp impedance operator, when alternating current is high voltage input (namely having high-frequency alternating current to input), low-loss step-down is carried out to high-frequency alternating current, the voltage of the alternating current exported to make it is preset value, its operating frequency is made to follow the electric ballast of coupling, avoid producing EMI interference, the reliability of intensifier circuit; And can effectively reduce the wastage, to reach energy-conservation object.Because impedance circuit 20 simulates the impedance operator of fluorescent lamp, make to adopt LED lamp tube when substituting traditional fluorescent tube, can compatible all electric ballasts, need not circuit change be carried out; And can keep the output current of electric ballast, voltage in the output area that it is specified, and make that its power reduces to original 50%, to reach energy-conservation object.
As shown in Figure 3, impedance circuit 20 can be LCL impedance circuit 20, can effectively reduce the wastage; The circuit bypass electric capacity CY1 that this LCL impedance circuit 20 comprises the inductance L 1 be connected with first input end 11, the inductance L 2 be connected with the second input 12 and is connected between inductance L 1 and inductance L 2.Understandably, this LCL impedance circuit 20 simulates fluorescent lamp impedance operator, when first input end 11 has high-frequency current through out-of-date, can realize low-loss step-down, under certain parameter, namely its output voltage of adjustable is preset value, to mate the output characteristic of electric ballast.
First bridge rectifier 30 converts direct current to for the alternating current exported by impedance circuit 20.As shown in Figure 3, first bridge rectifier 30 comprises diode D1, diode D2, diode D3, diode D4 and filter capacitor C1, the positive pole of diode D1 is connected with inductance L 1 with the negative pole of diode D3, the positive pole of diode D2 is connected with inductance L 2 with the negative pole of diode D4, the negative pole of two pole D1 and the negative pole of diode D2 are the first output of the first bridge rectifier 30, second output of the positive pole of diode D3 and just very first bridge rectifier 30 of diode D4, between the first output that filter capacitor C1 is connected in parallel on the first bridge rectifier 30 and the second output.Understandably, strengthen, to reduce the ripple harmful to driving LED fluorescent tube under the condition that the capacity of filter capacitor C1 allows at volume as far as possible.
High-voltage starting circuit 40 can make LED lamp tube have traditional fluorescent tube at high pressure build-up of luminance, is operated in the feature of low-voltage after build-up of luminance, makes it can compatible all electric ballasts.In the present embodiment; when the alternating current that first input end 11 inputs is high voltage input; high-voltage starting circuit 40 conducting; make LED group 50 and the first bridge rectifier 30 conducting; and after switch when the alternating current of first input end 11 input is low-voltage input; keep LED group 50 and the first bridge rectifier 30 conducting; make LED group 50 at low voltage operating; to ensure the stable of output circuit; preheating delayed startup can be realized when adaptive preheating start-up type electric ballast, not be damaged when starting to protect electric ballast.
As shown in Figure 3, high-voltage starting circuit 40 comprises voltage stabilizing didoe ZD1, voltage stabilizing didoe ZD2, resistance R1, resistance R2, resistance R4 between the first output of switching tube Q1, electric capacity C3 and series connection access first bridge rectifier 30 and the second output, the first end of switching tube Q1 is connected with LED group 50, second end is connected with the second output of the first bridge rectifier 30, and the 3rd termination enters between resistance R2 and resistance R4.Understandably, when the alternating current that first input end 11 inputs is high voltage input, high-tension electric current flows to switching tube Q1 through diode ZD1, voltage stabilizing didoe ZD2, resistance R1, resistance R2, makes switching tube Q1 conducting; And after switching tube Q1 conducting, when the alternating current that first input end 11 inputs is low-voltage input, maintained switch pipe Q1 conducting state, makes LED group 50 work when low-voltage inputs; If during the non-conducting of switching tube Q1, the alternating current that first input end 11 inputs is low-voltage input, then switching tube Q1 not conducting, LED group 50 does not work.Understandably, the preheating delayed startup that the setting of high-voltage starting circuit 40 can make LED lamp tube the same with fluorescent tube, with compatible preheating start-up type electric ballast, is not damaged when electric ballast is started.Understandably, this LED lamp tube driver also comprises the electric capacity C2 in parallel with LED group 50, with smooth output voltage.
As shown in Figure 2, this LED lamp tube driver also comprises the first current foldback circuit 61 be connected with first input end 11 and the second current foldback circuit 62 be connected with the second input 12, to provide basic protection to circuit, avoids overcurrent damage circuit.As shown in Figure 3; first input end 11 comprises the first pin PIN1 and the second pin PIN2, and the first current foldback circuit 61 comprises the fuse F1 be connected between the first pin PIN1 and the second pin PIN2 and the fuse F3 be connected between the first pin PIN1 and inductance L 1.Second input 12 comprises three-prong PIN3 and the 4th pin PIN4, and the second current foldback circuit 62 comprises the fuse F2 be connected between three-prong PIN3 and the 4th pin PIN4.Understandably, if the electric current flowing through fuse F1, fuse F2 or fuse F3 is excessive, then fuse F1, fuse F2 or fuse F3 fuse, and to make circuit breaker, avoid damaging circuit element.
As shown in Figure 2, this LED lamp tube also comprises the high-pass filtering circuit 70 be connected with the second current foldback circuit 62 with the first current foldback circuit 61 respectively.As shown in Figure 3, high-pass filtering circuit 70 is LC high-pass filtering circuit 70, comprise be connected with fuse F3 circuit bypass electric capacity CY2, connection line bypass resistance CY2 and three-prong PIN3 transformer T1.When the alternating current that first input end 11 inputs is high voltage input; alternating current via line bypass electric capacity CY2, transformer T1 flow to the second input 12; by the transformer action of transformer T1; low-voltage output is provided to coupled electrocution-proof protection circuit 80; due to the selecting frequency characteristic of LC high-pass filtering circuit 70; can only pass through the non-hazardous faint circuit of human body, to play the effect of insulation blocking under the civil power of 50Hz.
As shown in Figure 2; this LED lamp tube driver also comprises the electrocution-proof protection circuit 80 be connected with impedance circuit 20 with high-pass filtering circuit 70 respectively; understandably; electrocution-proof protection circuit 80 can realize Danger Electric shock risk can not occurring when fluorescent tube single-termination enters civil power; meet existing laws and regulations requirement, increase fail safe.Particularly, electrocution-proof protection circuit 80 comprises the second bridge rectifier 81 be connected with high-pass filtering circuit 70, the direct current linear voltage-stabilizing circuit 82 be connected with the second bridge rectifier 81, and direct current linear voltage-stabilizing circuit 82 is connected with impedance circuit 20.
As shown in Figure 3, the second bridge rectifier 81 comprises and diode D5, diode D6, diode D7, diode D8 and filter capacitor C4.The positive pole of diode D5 is connected with first output of transformer T1 with the negative pole of diode D6, the positive pole of diode D7 is connected with second output of transformer T2 with the negative pole of diode D8, the negative pole of diode D5 and the negative pole of diode D7 are the first output of the second bridge rectifier 81, the second output of the positive pole of diode D6 and just very second bridge rectifier 81 of diode D8.Between the first output that filter circuit C4 is connected in parallel on the second bridge rectifier 81 and the second output.Understandably, strengthen, to reduce the ripple harmful to driving LED fluorescent tube under the condition that the capacity of filter capacitor C4 allows at volume as far as possible.
As shown in Figure 3, direct current linear voltage-stabilizing circuit 82 comprises for connecting impedance circuit 20 and the K switch 1 of the second input 12, the metal-oxide-semiconductor Q2 for control switch K1 break-make be connected with K switch 1, resistance R3, resistance R5, electric capacity C5 and voltage stabilizing didoe ZD3.The D pole of metal-oxide-semiconductor Q2 is connected with the first output of the second bridge rectifier 81 by the resistance R5 for playing metering function, and the S pole of metal-oxide-semiconductor is connected with K switch 1, the G pole of metal-oxide-semiconductor is connected with voltage stabilizing didoe ZD3 with resistance R3 respectively; K switch 1 is connected with the second output of the second bridge rectifier 81, and resistance R3 is connected with the first output of the second bridge rectifier 81, and voltage stabilizing didoe ZD3 is connected with the second output of the second bridge rectifier 81; Electric capacity C5 is connected in parallel in K switch 1, to play filtering effect.In the present embodiment, K switch 1 is relay switch K1.
Understandably, when the alternating current of first input end 11 input is after high-pass filtering circuit 70 carries out step-down, direct current is converted to again through the second bridge rectifier 81, drive voltage signal is provided to direct current linear voltage-stabilizing circuit 82, when the alternating current that first input end 11 inputs is high voltage input, relay switch K1 is driven to close, when the alternating current that first input end 11 inputs is low-voltage input (as civil power), relay switch K1 is driven to disconnect, when accessing LED lamp tube to make civil power, buffer action is played at LED lamp tube two ends, meet the safety requirements of industry requirement.Understandably, the setting of direct current linear voltage-stabilizing circuit 82, the safety requirements making LED lamp tube meet conventional fluorescent to specify, i.e. hot line job, the impossible Danger Electric shock risk in single-termination fashionable touching one end, strengthens its fail safe.
The utility model is described by several specific embodiment, it will be appreciated by those skilled in the art that, when not departing from the utility model scope, can also carry out various conversion and be equal to substituting to the utility model.In addition, for particular condition or concrete condition, various amendment can be made to the utility model, and not depart from scope of the present utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole execution modes fallen in the utility model right.
Claims (10)
1. the LED lamp tube driver of a compatible electronic ballast, it is characterized in that, comprise for the first input end (11) of input AC electricity, the second input (12), the impedance circuit (20) be connected with described second input (12) with described first input end (11), the first bridge rectifier (30) be connected with described impedance circuit (20), the high-voltage starting circuit (40) that is connected with described first bridge rectifier (30), the LED group (50) be connected with described high-voltage starting circuit (40);
Described impedance circuit (20) is for carrying out step-down to alternating current, and the voltage of the alternating current exported to make it is preset value; Described first bridge rectifier (30) converts direct current to for the alternating current exported by described impedance circuit (20);
When described alternating current is high voltage input, described high-voltage starting circuit (40) conducting, make described LED group (50) and the conducting of described first bridge rectifier (30), and after switch when described alternating current is low-voltage input, keep described LED group (50) and described first bridge rectifier (30) conducting.
2. the LED lamp tube driver of compatible electronic ballast according to claim 1, it is characterized in that, described impedance circuit (20) is LCL impedance circuit (20), the circuit bypass electric capacity CY1 comprising the inductance L 1 be connected with described first input end (11), the inductance L 2 be connected with described second input (12) and be connected between described inductance L 1 and described inductance L 2.
3. the LED lamp tube driver of compatible electronic ballast according to claim 2; it is characterized in that, also comprise the first current foldback circuit (61) be connected with described first input end (11) and the second current foldback circuit (62) be connected with described second input (12).
4. the LED lamp tube driver of compatible electronic ballast according to claim 3, it is characterized in that, described first input end (11) comprises the first pin PIN1 and the second pin PIN2, and described first current foldback circuit (61) comprises the fuse F1 be connected between described first pin PIN1 and described second pin PIN2 and the fuse F3 be connected between described first pin PIN1 and described inductance L 1;
Described second input (12) comprises three-prong PIN3 and the 4th pin PIN4, and described second current foldback circuit (62) comprises the fuse F2 be connected between described three-prong PIN3 and the 4th pin PIN4.
5. the LED lamp tube driver of compatible electronic ballast according to claim 4, is characterized in that, also comprises the high-pass filtering circuit (70) be connected with described second current foldback circuit (62) with described first current foldback circuit (61) respectively.
6. the LED lamp tube driver of compatible electronic ballast according to claim 5, it is characterized in that, described high-pass filtering circuit (70) comprises the circuit bypass electric capacity CY2 be connected with described fuse F3, the transformer T1 being connected described circuit bypass resistance CY2 and described three-prong PIN3.
7. the LED lamp tube driver of compatible electronic ballast according to claim 6; it is characterized in that; also comprise the electrocution-proof protection circuit (80) be connected with described impedance circuit (20) with described high-pass filtering circuit (70) respectively; described electrocution-proof protection circuit (80) comprises the second bridge rectifier (81) be connected with described high-pass filtering circuit (70), the direct current linear voltage-stabilizing circuit (82) be connected with described second bridge rectifier (81), and described direct current linear voltage-stabilizing circuit (82) is connected with described impedance circuit (20).
8. the LED lamp tube driver of compatible electronic ballast according to claim 7, it is characterized in that, described direct current linear voltage-stabilizing circuit (82) comprise K switch 1 for connecting described impedance circuit (20) and described second input (12), be connected with described K switch 1 for controlling metal-oxide-semiconductor Q2, the resistance R3 of described K switch 1 break-make, resistance R5, voltage stabilizing didoe ZD3 and electric capacity C5, the D pole of described metal-oxide-semiconductor Q2 is connected with the first output of described second bridge rectifier (81) by described resistance R5, the S pole of described metal-oxide-semiconductor is connected with described K switch 1, the G pole of described metal-oxide-semiconductor is connected with described voltage stabilizing didoe ZD3 with described resistance R3 respectively, described K switch 1 is connected with the second output of described second bridge rectifier (81), described resistance R3 is connected with the first output of described second bridge rectifier (81), described voltage stabilizing didoe ZD3 is connected with the second output of described second bridge rectifier (81), described electric capacity C5 is connected in parallel in described K switch 1.
9. the LED lamp tube driver of compatible electronic ballast according to claim 8, it is characterized in that, described high-voltage starting circuit (40) comprises switching tube Q1, electric capacity C3, and the voltage stabilizing didoe ZD1 between the first output of described first bridge rectifier (30) of series connection access and the second output, voltage stabilizing didoe ZD2, resistance R1, resistance R2, resistance R4, the first end of described switching tube Q1 is connected with described LED group (50), second end is connected with the second output of described first bridge rectifier (30), 3rd termination enters between described resistance R2 and resistance R4.
10. the LED lamp tube driver of compatible electronic ballast according to claim 9, is characterized in that,
Described first bridge rectifier (30) comprises diode D1, diode D2, diode D3, diode D4 and filter capacitor C1, the positive pole of described diode D1 is connected with described inductance L 1 with the negative pole of described diode D3, the positive pole of described diode D2 is connected with described inductance L 2 with the negative pole of described diode D4, the negative pole of described two pole D1 and the negative pole of described diode D2 are the first output of described first bridge rectifier (30), second output of the positive pole of described diode D3 and just very described first bridge rectifier (30) of described diode D4, between the first output that described filter capacitor C1 is connected in parallel on described first bridge rectifier (30) and the second output,
Described second bridge rectifier (81) comprises and diode D5, diode D6, diode D7, diode D8 and filter capacitor C4; The positive pole of described diode D5 is connected with first output of described transformer T1 with the negative pole of described diode D6, the positive pole of described diode D7 is connected with second output of described transformer T2 with the negative pole of described diode D8, the negative pole of described diode D5 and the negative pole of described diode D7 are the second output of the first output of described second bridge rectifier (81), the positive pole of described diode D6 and just very described second bridge rectifier (81) of described diode D8; Between the first output that described filter circuit C4 is connected in parallel on described second bridge rectifier (81) and the second output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092426.4U CN204377221U (en) | 2015-02-06 | 2015-02-06 | The LED lamp tube driver of compatible electronic ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520092426.4U CN204377221U (en) | 2015-02-06 | 2015-02-06 | The LED lamp tube driver of compatible electronic ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204377221U true CN204377221U (en) | 2015-06-03 |
Family
ID=53333394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520092426.4U Withdrawn - After Issue CN204377221U (en) | 2015-02-06 | 2015-02-06 | The LED lamp tube driver of compatible electronic ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204377221U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104640322A (en) * | 2015-02-06 | 2015-05-20 | 深圳市豪恩光电照明有限公司 | LED (Light Emitting Diode) lamp tube driver compatible with electronic ballast |
| CN105813274A (en) * | 2016-05-17 | 2016-07-27 | 深圳市宝瑞恒业科技有限公司 | Power driving circuit and light emitting diode (LED) lamp tube |
| CN105916244A (en) * | 2016-05-25 | 2016-08-31 | 欧普照明股份有限公司 | LED driving controller, driving method, LED lighting tube and lighting system |
| CN106102255A (en) * | 2016-08-03 | 2016-11-09 | 欧普照明股份有限公司 | Simulation filament impedances circuit, LED lamp tube and LED illumination System |
| CN108323247A (en) * | 2018-01-29 | 2018-07-24 | 深圳市豪恩智能物联股份有限公司 | Lamp tube drive circuit |
| RU2718728C2 (en) * | 2015-09-09 | 2020-04-14 | Филипс Лайтинг Холдинг Б.В. | Led tube lamp |
| CN115150210A (en) * | 2021-03-31 | 2022-10-04 | 西门子股份公司 | Device for compensating for resistance tolerances and line driver for connecting communication equipment |
-
2015
- 2015-02-06 CN CN201520092426.4U patent/CN204377221U/en not_active Withdrawn - After Issue
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104640322B (en) * | 2015-02-06 | 2017-11-28 | 深圳市豪恩光电照明股份有限公司 | The LED lamp tube driver of compatible electronic ballast |
| CN104640322A (en) * | 2015-02-06 | 2015-05-20 | 深圳市豪恩光电照明有限公司 | LED (Light Emitting Diode) lamp tube driver compatible with electronic ballast |
| RU2718728C2 (en) * | 2015-09-09 | 2020-04-14 | Филипс Лайтинг Холдинг Б.В. | Led tube lamp |
| CN105813274A (en) * | 2016-05-17 | 2016-07-27 | 深圳市宝瑞恒业科技有限公司 | Power driving circuit and light emitting diode (LED) lamp tube |
| CN105916244B (en) * | 2016-05-25 | 2019-01-22 | 欧普照明股份有限公司 | LED drive control device, driving method, LED lamp tube and lighting system |
| CN105916244A (en) * | 2016-05-25 | 2016-08-31 | 欧普照明股份有限公司 | LED driving controller, driving method, LED lighting tube and lighting system |
| CN106102255A (en) * | 2016-08-03 | 2016-11-09 | 欧普照明股份有限公司 | Simulation filament impedances circuit, LED lamp tube and LED illumination System |
| CN108323247A (en) * | 2018-01-29 | 2018-07-24 | 深圳市豪恩智能物联股份有限公司 | Lamp tube drive circuit |
| WO2019144414A1 (en) * | 2018-01-29 | 2019-08-01 | 深圳市豪恩智能物联股份有限公司 | Lamp tube drive circuit |
| CN108323247B (en) * | 2018-01-29 | 2019-11-26 | 深圳市豪恩智能物联股份有限公司 | Lamp tube drive circuit |
| CN115150210A (en) * | 2021-03-31 | 2022-10-04 | 西门子股份公司 | Device for compensating for resistance tolerances and line driver for connecting communication equipment |
| US11810745B2 (en) | 2021-03-31 | 2023-11-07 | Siemens Aktiengesellschaft | Apparatus for compensating for resistance tolerances of a fuse for a circuit and line driver for a connection of a communication device |
| CN115150210B (en) * | 2021-03-31 | 2024-01-23 | 西门子股份公司 | Device for compensating resistance tolerance and line driver for connecting communication equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204377221U (en) | The LED lamp tube driver of compatible electronic ballast | |
| CN104640322A (en) | LED (Light Emitting Diode) lamp tube driver compatible with electronic ballast | |
| CN101730347A (en) | LED driving circuit for illumination | |
| CN211880657U (en) | Modular wide-voltage high-power HID intelligent high-efficiency high-frequency electronic ballast | |
| CN104735882A (en) | LED dimming and color adjusting circuit | |
| CN104093245A (en) | Efficient isolation type LED drive circuit | |
| CN204578876U (en) | A kind of power driving circuit of AC/DC | |
| CN204465995U (en) | For the driving power of large-power light-emitting diodes | |
| CN203734894U (en) | LED drive circuit | |
| CN105186913A (en) | Multi-pole drive power supply for ultraviolet (UV) lamp | |
| CN103025033B (en) | Universal mining LED lamp driver | |
| CN105430829A (en) | Self-powered buck-boost LED drive power supply device and method thereof | |
| CN201708977U (en) | Risetime phase dimmer with adapter | |
| CN207251959U (en) | A kind of LED lamp tube compatible circuit and LED lamp tube | |
| CN205005320U (en) | Driving circuit of light -emitting diode (LED) fluorescent tube | |
| CN201766513U (en) | Switch power with zero-crossing detection of pulper | |
| CN104822215A (en) | LED tube for directly replacement of instant start fluorescent tube | |
| CN203368858U (en) | SSL2108-based buck dimmable LED driving system | |
| CN208369926U (en) | A kind of lamp tube drive circuit | |
| CN113056061A (en) | Lamp tube with electric shock protection and compatible multiple power supply modes | |
| CN203151849U (en) | Energy-saving electronic ballast and light fixture | |
| CN204707313U (en) | A kind of LED protection circuit | |
| CN205902180U (en) | Electronic ballast suitable for steamed sodium leads to point | |
| CN103974491A (en) | LED driving power | |
| CN205004962U (en) | Multipolar drive power supply of UV lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN LONGHORN LIGHTING CO., LTD. Free format text: FORMER NAME: SHENZHEN MENG'EN PHOTOELECTRIC LIGHTING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, Tong Sheng community with rich industrial park third horn Technology Park function area building A building A No. second C district on the eastern side Patentee after: SHENZHEN HORN PHOTOELECTRIC LIGHTING CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Baoan District Dalang Street Industrial Park Road House Science and Technology Park Patentee before: LONGHORN LIGHTING CO., LTD. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20171128 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150603 Effective date of abandoning: 20171128 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |