CN201866595U - LED (light emitting diode) fluorescent lamp and fluorescent lamp connection circuit - Google Patents
LED (light emitting diode) fluorescent lamp and fluorescent lamp connection circuit Download PDFInfo
- Publication number
- CN201866595U CN201866595U CN2010206483968U CN201020648396U CN201866595U CN 201866595 U CN201866595 U CN 201866595U CN 2010206483968 U CN2010206483968 U CN 2010206483968U CN 201020648396 U CN201020648396 U CN 201020648396U CN 201866595 U CN201866595 U CN 201866595U
- Authority
- CN
- China
- Prior art keywords
- fluorescent lamp
- led
- circuit
- pin
- lamp
- 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 embodiment of the utility model discloses an LED fluorescent lamp and a fluorescent lamp connection circuit. The LED fluorescent lamp comprises an LED fluorescent lamp tube including a first end cover and a second end cover, wherein the first end cover and the second end cover include two pins respectively; a first inductor and a first bridge-type rectification circuit are connected in parallel between the two pins of the first end cover; a second inductor and a second bridge-type rectification circuit are connected in parallel between the two pins of the second end cover; the DC output terminals of the first bridge-type rectification circuit and the second bridge-type rectification circuit are connected with an LED lamp set in parallel; and the LED lamp set includes an LED light source set, and a circuit for supplying a constant current or constant voltage to the LED light source set. The LED fluorescent lamp can substitute for the conventional fluorescent lamp without changing the peripheral circuits of the conventional fluorescent lamp.
Description
Technical field
The utility model relates to the LED field, relates in particular to LED fluorescent lamp and fluorescent lamps connected connection circuit.
Background technology
In the traditional lighting light source, straight tube fluorescent lamp and circline are used for commercial lighting, office lighting and domestic lighting in a large number.Be the circuit diagram of at present common two kinds of fluorescent lamps as shown in Figures 1 and 2.As shown in Figure 1, first kind of common fluorescent lamp circuit comprises that an Inductive ballast, a fluorescent tube and are installed in the starter S on the starter base Y, and civil power (being usually said alternating current) is imported simultaneously from an end of Inductive ballast and an end of fluorescent lamp.As shown in Figure 2, second kind of common fluorescent lamp circuit replaced Inductive ballast in first kind of mode with electric ballast.
Aspect light efficiency, fluorescent lamp is better than common incandescent lamp and Halogen lamp LED greatly, and its energy-saving effect is remarkable, but the fluorescent tube of fluorescent lamp contains mercury element, and is damaged or when scrapping when fluorescent tube, causes environmental pollution easily.Development along with light source technology, the light emitting diode (LED) that the solid state light emitter performance occurred, the power savings advantages of led light source and environment-friendly advantage more surpass fluorescent lamp, therefore, in recent years, the LED lamp replaces traditional various light sources successively, on this basis, also designs fluorescent lamp based on LED to replace traditional straight tube fluorescent lamp or circline.
At present, common LED fluorescent tube comprises following several:
Fig. 3 and shown in Figure 4 be a kind of LED fluorescent lamp and the circuit diagram thereof that the most generally uses at present, as shown in Figures 3 and 4, the power supply driver that comprises a plurality of led light sources and driving LED light source in LED fluorescent-lamp tube inside, civil power enters from the two ends of fluorescent tube, this LED fluorescent lamp is after an end of fluorescent tube inserts lamp socket and energising, it is also charged that the other end does not insert the part of lamp socket, is easy to generate potential safety hazard.
For overcoming the defective of Fig. 3 and fluorescent tube shown in Figure 4, Fig. 5 and fluorescent tube shown in Figure 6 have been designed at present.As Fig. 5 and shown in Figure 6, comprise power supply driver and two LED lamp strings of two led light sources in the prior art in the fluorescent tube inside of LED fluorescent lamp, the independent two ends input from fluorescent lamp of civil power is acted in collusion to make each other's confessions to two LED fluorescent lamps respectively.Though can solve potential safety hazard like this, increase the cost of making fluorescent tube.
In addition, for overcoming the defective of Fig. 3 and fluorescent tube shown in Figure 4, Fig. 7 and fluorescent tube shown in Figure 8 have also been designed at present.As shown in Figures 7 and 8, the civil power of the prior art is only imported from an end of LED fluorescent tube, and the other end is vacant.
In addition, Fig. 9 is another kind of more common LED fluorescent lamp design, and this scheme moves on to the LED power supply driver outside of fluorescent-lamp tube.Import from the two ends of LED fluorescent-lamp tube respectively behind the driving power output dc low-voltage electricity.
All there is following technological deficiency in foregoing several frequently seen LED fluorescent lamp design:
Above-mentioned various LED fluorescent lamp all can not be directly installed in traditional fluorescent lamp peripheral circuit illustrated in figures 1 and 2 and be used for direct replace fluorescent lamps fluorescent tube.If above-mentioned various LED fluorescent lamps are installed in traditional fluorescent lamp circuit, more or less need to change the structure of described fluorescent lamp peripheral circuit.
Because fluorescent lamp uses in life in a large number, special is that the designed support of fluorescent lamp, lamp panel and peripheral circuit are also disposed already in a large number, if the peripheral circuit in order to use the LED fluorescent lamp with the fluorescent lamp of moulding changes, this will increase a large amount of costs, and waste a large amount of resources.Therefore present very serious hope can produce a kind of under the situation of the peripheral circuit structure that does not change fluorescent lamp, can be directly installed on the LED fluorescent lamp in the conventional fluorescent circuit for lamp.
The utility model content
The utility model embodiment technical problem to be solved is, LED fluorescent lamp and fluorescent lamps connected connection circuit are provided, and to be implemented under the situation that does not change the conventional fluorescent peripheral circuit, directly uses LED fluorescent lamp replace fluorescent lamps.
The utility model embodiment provides a kind of LED fluorescent lamp, it comprises the LED fluorescent tube, described LED fluorescent tube comprises first end cap and second end cap, described first end cap and described second end cap comprise two pins respectively, in described LED fluorescent tube inside, be parallel with second inductance and second bridge rectifier being parallel with between two pins of described first end cap between first inductance and first bridge rectifier and two pins at described second end cap, the dc output end parallel connection LED lamp group of described first bridge rectifier and described second bridge rectifier, described LED lamp group comprise the led light source group and are used for providing the circuit of constant current or constant voltage to described led light source group.
Preferable, after described first inductance, before described first bridge rectifier, also be parallel with the circuit that forms by first electric capacity and the series connection of first resistance between two pins of described first end cap;
After described second inductance, before described second bridge rectifier, also be parallel with the circuit that forms by second electric capacity and second capacitances in series between two pins of described second end cap.
Perhaps, the output of described first inductance and with pin that described output links to each other between series connection the 3rd electric capacity;
The output of described second inductance and with pin that described output links to each other between series connection the 4th electric capacity.
In addition, the utility model embodiment also provides a kind of fluorescent lamps connected connection circuit, comprise Inductive ballast and starter base in the fluorescent lamp circuit, also comprise in the aforesaid LED fluorescent lamp any, the input of described Inductive ballast is connected an end that exchanges input, pin on first end cap of described fluorescent lamp is connected the other end that exchanges input, another pin of described first end cap is connected an end of described starter base, pin on second end cap of described fluorescent lamp is connected the output of described Inductive ballast, another pin of described second end cap is connected the other end of described starter base, on the described starter base starter is not installed.Preferable, LED fluorescent lamp of the present utility model after described first inductance, before described first bridge rectifier, also is parallel with the circuit that is formed by first electric capacity and the series connection of first resistance between two pins of described first end cap; After described second inductance, before described second bridge rectifier, when also being parallel with the circuit that forms by second electric capacity and second capacitances in series between two pins of described second end cap,
The output of described first inductance and with pin that described output links to each other between series connection one to make the described first inductance original state be first switch element of off-state;
The output of described second inductance and with pin that described output links to each other between series connection one to make the described second inductance original state be the second switch element of off-state.
Preferable, LED fluorescent lamp of the present utility model also is in series with the 5th electric capacity between described first inductance and described first switch element; Described second inductance and described and also be in series with the 6th electric capacity between the switch element.
Preferable, described first switch element and described second switch element be in controllable silicon, photoelectrical coupler, relay and the transistor any, when described first switch element was controllable silicon, described silicon controlled trigger end was connected on the connecting line between described first electric capacity and described first resistance; When described second switch element was controllable silicon, described silicon controlled trigger end was connected on the connecting line between described second electric capacity and described second resistance.
Preferable, described be used for to described led light source group provide the circuit of constant current or constant voltage be resistance, transistor any.
It is perhaps, described that to be used for providing the circuit of constant current or constant voltage to described led light source group be the LED power supply driver.
Preferable, when described when being used for providing the circuit of constant current or constant voltage to be the LED power supply driver to described led light source group, at the front end of described LED lamp group, described dc output end also is parallel with the circuit of the 3rd resistance and the 3rd switch element series connection formation.
Preferable, described the 3rd switch element comprises in starter, controllable silicon, triode, relay, the Zener diode any.
Preferable, LED fluorescent lamp of the present utility model is before described LED lamp group, and the dc output end of described first bridge rectifier also is parallel with first filter capacitor, and the dc output end of described second bridge rectifier also is parallel with second filter capacitor.
In addition, the utility model embodiment also provides another kind of fluorescent lamps connected connection circuit, comprise Inductive ballast and starter base in the fluorescent lamp circuit, also comprise the LED fluorescent lamp, the input of described Inductive ballast is connected an end that exchanges input, pin on first end cap of described fluorescent lamp is connected the other end that exchanges input, another pin of described first end cap is connected an end of described starter base, pin on second end cap of described fluorescent lamp is connected the output of described Inductive ballast, another pin of described second end cap is connected the other end of described starter base, on the described starter base starter is not installed, described LED fluorescent lamp is the aforesaid LED fluorescent lamp that comprises switch element, the perhaps aforesaid LED fluorescent lamp that includes the switch element and second electric capacity.
In addition, the utility model embodiment also provides another kind of fluorescent lamps connected connection circuit, comprise the electric ballast in the fluorescent lamp circuit, also comprise in all LED fluorescent lamps that the utility model embodiment provides any, the input of described electric ballast is connected the two ends that exchange input, two pins on first end cap of described fluorescent lamp is connected to two outputs of described electric ballast, and the two pins on second end cap of described fluorescent lamp is connected to two other output of described electric ballast.
Implement the utility model embodiment, have following beneficial effect:
The LED fluorescent lamp that the utility model embodiment provides is inductance in parallel on the pin of end cap, after described inductance is adjusted the input characteristics of fluorescent lamp circuit, neither change the circuit structure of fluorescent lamp circuit in the time of can making the LED fluorescent lamp insert in the circuit of fluorescent lamp, the LED fluorescent lamp is normally lighted.In addition, for the input characteristics to fluorescent lamp circuit is better adjusted, the pin of the end cap of the utility model embodiment removes shunt inductance, the circuit that is formed by electric capacity and resistance series connection also in parallel.In addition, for the input characteristics to fluorescent lamp circuit is better adjusted, the pin of the end cap of the utility model embodiment electric capacity of on the inductance of parallel connection, connecting.In addition, for the input characteristics to fluorescent lamp circuit is better adjusted, the utility model embodiment in parallel connection on the circuit base that forms by the series connection of electric capacity and resistance, also connecting one on the inductance of parallel connection, to make described inductance original state be the switch element of off-state.In addition, when described when being used for providing the circuit of constant current or constant voltage to be the LED power supply driver to described led light source group, before described LED lamp group, dc output end at first bridge rectifier also is parallel with first filter capacitor, the dc output end of described second bridge rectifier also is parallel with second filter capacitor, and this circuit can further mate the output characteristics of electron rectifier and the input characteristics of LED fluorescent lamp.Above-mentioned various LED fluorescent lamps are installed in the fluorescent lamps connected connection circuit of the utility model embodiment, fluorescent lamps connected connection circuit is like this compared with existing fluorescent lamp circuit, circuit structure does not change, only be to have replaced traditional fluorescent lamp with the LED fluorescent lamp of the utility model embodiment, can economize on resources greatly like this, user-friendly.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of existing Inductive ballast fluorescent lamp circuit;
Fig. 2 is the structural representation of existing electric ballast fluorescent lamp circuit;
Fig. 3 is existing a kind of LED fluorescent lamp peripheral circuit connected mode schematic diagram;
Fig. 4 is the internal circuit configuration schematic diagram of LED fluorescent lamp shown in Figure 3;
Fig. 5 is existing another kind of LED fluorescent lamp peripheral circuit connected mode schematic diagram;
Fig. 6 is the internal circuit configuration schematic diagram of LED fluorescent lamp shown in Figure 5;
Fig. 7 is existing another kind of LED fluorescent lamp peripheral circuit connected mode schematic diagram;
Fig. 8 is the internal circuit configuration schematic diagram of LED fluorescent lamp shown in Figure 7;
Fig. 9 is the peripheral circuit connected mode schematic diagram of existing another kind of LED fluorescent lamp;
Figure 10 is the internal circuit configuration schematic diagram of first embodiment of LED fluorescent lamp of the present utility model;
Figure 11 is that LED daylight lamp circuit shown in Figure 10 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit;
Figure 12 is that LED daylight lamp circuit shown in Figure 10 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit;
Figure 13 is the internal circuit configuration schematic diagram of second embodiment of LED fluorescent lamp of the present utility model;
Figure 14 is that LED daylight lamp circuit shown in Figure 13 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit;
Figure 15 is that LED daylight lamp circuit shown in Figure 13 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit;
Figure 16 is the internal circuit configuration schematic diagram of the 3rd embodiment of LED fluorescent lamp of the present utility model;
Figure 17 is that LED daylight lamp circuit shown in Figure 16 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit;
Figure 18 is that LED daylight lamp circuit shown in Figure 16 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit;
Figure 19 is the internal circuit configuration schematic diagram of the 4th embodiment of LED fluorescent lamp of the present utility model;
Figure 20 is that LED daylight lamp circuit shown in Figure 19 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit;
Figure 21 is that LED daylight lamp circuit shown in Figure 19 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit;
Figure 22 is the internal circuit configuration schematic diagram of the 5th embodiment of LED fluorescent lamp of the present utility model;
Figure 23 is that LED daylight lamp circuit shown in Figure 22 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit;
Figure 24 is that LED daylight lamp circuit shown in Figure 22 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit;
Figure 25 is the internal circuit configuration schematic diagram of the 6th embodiment of LED fluorescent lamp of the present utility model;
Figure 26 is the internal circuit configuration schematic diagram of the 7th embodiment of LED fluorescent lamp of the present utility model;
Figure 27 is the internal circuit configuration schematic diagram of the 8th embodiment of LED fluorescent lamp of the present utility model;
Figure 28 is the internal circuit configuration schematic diagram of the 9th embodiment of LED fluorescent lamp of the present utility model;
Figure 29 is the internal circuit configuration schematic diagram of the tenth embodiment of LED fluorescent lamp of the present utility model;
Figure 30 is the internal power structural representation of the 11 embodiment of LED fluorescent lamp of the present utility model;
Figure 31 is the internal power structural representation of the 12 embodiment of LED fluorescent lamp of the present utility model;
Figure 32 is the internal power structural representation of the 13 embodiment of LED fluorescent lamp of the present utility model;
Figure 33 is the internal power structural representation of the 14 embodiment of LED fluorescent lamp of the present utility model;
Figure 34 is the internal power structural representation of the 15 embodiment of LED fluorescent lamp of the present utility model;
Figure 35 is the electrical block diagram that the described LED daylight lamp circuit of Figure 31 directly inserts first embodiment of civil power;
Figure 36 is the electrical block diagram that the described LED daylight lamp circuit of Figure 31 directly inserts second embodiment of civil power;
Figure 37 is the electrical block diagram that the described LED daylight lamp circuit of Figure 31 directly inserts the 3rd embodiment of civil power;
Figure 38 is the electrical block diagram that the described LED daylight lamp circuit of Figure 31 directly inserts the 4th embodiment of civil power.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described.
A kind of LED fluorescent lamp that the utility model provides, comprise the LED fluorescent tube, described LED fluorescent tube comprises first end cap and second end cap, described first end cap and described second end cap comprise two pins respectively, in described LED fluorescent tube inside, between two pins of described first end cap, be parallel with first inductance and first bridge rectifier, between two pins of described second end cap, be parallel with second inductance and second bridge rectifier, the dc output end of described first bridge rectifier first filter capacitor in parallel, the dc output end of described second bridge rectifier second filter capacitor in parallel, described first filter capacitor and the described second filter capacitor two ends parallel connection LED lamp group, described LED lamp group comprise the led light source group and are used for providing the circuit of constant current or constant voltage to described led light source group.Provide the circuit of constant current or constant voltage to can be in resistance, transistor and the LED power supply driver any described in the specific implementation.In the specific implementation, when the circuit that constant current or constant voltage are provided adopts in resistance, the transistor any, the internal circuit configuration of this LED fluorescent lamp can be as shown in figure 10, and when the circuit that constant current or constant voltage are provided adopted power supply driver, this LED fluorescent lamp internal circuit configuration can be as Figure 25 and shown in Figure 26.
As shown in figure 10, the internal circuit of LED fluorescent lamp of the present utility model can comprise pin 1, pin 2, pin 3 and pin 4, in the specific implementation, described pin 1 and pin 2 can be positioned on first end cap of LED fluorescent lamp, and described pin 3 and pin 4 can be positioned on second end cap of LED fluorescent lamp.The shunt inductance L1 and first bridge rectifier formed by Q1-Q4 between pin 1 and pin 2, between the both positive and negative polarity of the dc output end of first bridge rectifier of forming by Q1-Q4, connect a filter capacitor C1 (in the specific implementation, can not comprise filter capacitor C1), second bridge rectifier that between pin 3 and pin 4, is parallel with inductance L 2 and forms by Q5-Q8, between the both positive and negative polarity of the dc output end of second bridge rectifier of forming by Q5-Q8, connect a filter capacitor C2 (in the specific implementation, can not comprise filter capacitor C2), as shown in Figure 10, the inductance between pin 1 and the pin 2, bridge rectifier, inductance between filter capacitor and pin 3 and the pin 4, bridge rectifier, filter capacitor is symmetrical structure.Further, be connected the LED lamp group of forming by circuit T1 that constant current or constant voltage are provided and led light source group (wherein D1, D2, D3.....Dn are the LED lamp) at the two ends of described filter capacitor C1 and filter capacitor C2.Provide the circuit T1 of constant current or constant voltage to can be in resistance, the transistor any in the specific implementation.
Figure 11 is that LED daylight lamp circuit shown in Figure 10 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit shown in Figure 1.Simultaneously, Figure 11 also is the structural representation of first embodiment of fluorescent lamps connected connection circuit of the present utility model.As shown in figure 11, when LED daylight lamp circuit shown in Figure 10 being connected in the Inductive ballast fluorescent lamp peripheral circuit shown in Figure 1, the pin 1 of LED daylight lamp circuit is connected to Inductive ballast L in the fluorescent lamp peripheral circuit and exchanges the AC input, the pin 3 of LED daylight lamp circuit is connected the output of described Inductive ballast, the pin 2 of LED daylight lamp circuit and pin 4 are connected on the starter base Y in the fluorescent lamp peripheral circuit, as shown in figure 11, on the described starter base Y starter is not installed.As shown in Figure 11, when receiving in the fluorescent lamp peripheral circuit, do not change the circuit structure of former fluorescent lamp peripheral circuit with LED shown in Figure 10 is fluorescent lamps connected.
Concrete, after exchanging AC input access civil power, one tunnel pin 3 through Inductive ballast L arrival LED fluorescent lamp, another road is directly inputted to the pin 1 of LED fluorescent lamp, because pin 1 and pin 2, and in parallel respectively inductance L 1 and L2 between pin 3 and the pin 4, therefore under the effect of Inductive ballast fluorescent lamp circuit civil power low frequency (being generally 50-60HZ), the induction reactance of L1 and L2 is very little, and pin 1, pin 2, pin 3 and pin 4 can be thought short-circuit condition respectively.Therefore, can think that the live wire (perhaps zero line) of civil power is to import simultaneously from pin 1 and pin 2, and can think that the zero line (perhaps live wire) of civil power is to import simultaneously from pin 3 and pin 4.Further, after two groups of bridge rectifiers of the alternating current of input through the Q1-Q8 composition, alternating current is converted to Rectified alternating current, as shown in figure 11, the positive pole of described Rectified alternating current is last, and negative pole is following, after the filtering of Rectified alternating current through filtering capacitor C 1 and filter capacitor C2, change comparatively level and smooth dc high-voltage into, this dc high-voltage is flowed through LED lamp D1, LED lamp D2.......LED lamp Dn to ground through T1, and the LED lamp is lighted.Simultaneously, directly arrive starter base Y through live wire, zero line after inductance L 1 and inductance L 2 short circuits.Owing to the starter on the starter base Y is taken down in the present embodiment, so the LED lamp voltage that do not have a lamp tube ends is higher than the starting voltage of starter, makes the LED lamp produce the defective of flicker.
Figure 12 is that LED daylight lamp circuit shown in Figure 10 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit.Simultaneously, Figure 12 has also formed the structural representation of second embodiment of fluorescent lamps connected connection circuit of the present utility model.In traditional fluorescent lamp circuit, electric ballast is used to start fluorescent tube, it can realize that traditional Inductive ballast provides preheat curent, starts the effect that fluorescent tube, stabling current are lighted in high-voltage breakdown to Filament of fluorescent lamp under the condition of low-power consumption, high power factor.It operates mainly in the high frequency state about 40KHZ.Concrete, as shown in figure 12, when the LED daylight lamp circuit among Figure 10 being connected in the electric ballast fluorescent lamp peripheral circuit shown in Figure 2, the pin 1 of LED fluorescent lamp, pin 2, pin 3 and pin 4 are connected to the output of electric ballast, the input of electric ballast is connected to and exchanges the AC input, in the specific implementation, when exchanging AC input incoming transport electricity, the inductance L 1 of present embodiment and L2 respectively equivalent simulation the effect of filament of former fluorescent lamp.According to the course of work of electric ballast as can be known, it at first needs to provide a preheat curent to filament, start high pressure then and trigger the conducting of LDE lamp, and in the present embodiment, inductance L 1 and inductance L 2 will influence the output characteristics of electric ballast, concrete, inductance L 1 and inductance L 2 can be regulated the high frequency voltage of electric ballast output, so that input pin 1, pin 2, circuit parameter between pin 3 and the pin 4 mates fully with the parameter of lighting the LED fluorescent lamp, when not changing primary electron ballast fluorescent lamp circuit, normally the LED lamp is lighted to be implemented in.
As shown in figure 25, it replaces the circuit T1 that constant current or constant voltage are provided shown in Figure 10 (omitting filter capacitor C1 and filter capacitor C2 among Figure 25) with power supply driver.In the specific implementation, when adopting daylight lamp circuit shown in Figure 25, its mode that inserts the mode of Inductive ballast fluorescent lamp circuit shown in Figure 1 and insert electric ballast fluorescent lamp circuit shown in Figure 2 and Figure 11 and connecting circuit shown in Figure 12 are identical, do not give unnecessary details at this.
In addition, as shown in figure 26, can also on the basis of daylight lamp circuit shown in Figure 25, increase the series circuit that forms by resistance R x and starter S1.Concrete, as shown in figure 26, before described LED lamp group, the dc output end of first bridge rectifier that Q1-Q4 forms also is parallel with the circuit of resistance R x and starter S1 series connection formation.In addition, after employing daylight lamp circuit shown in Figure 26 inserts the electric ballast fluorescent lamp circuit in mode shown in Figure 12, the output of electron rectifier is through behind the bridge rectifier, can between the both positive and negative polarity that the direct current of bridge rectifier is exported, produce a high voltage, at this moment, the conducting that is triggered of starter S1 moment, be short-circuited, having electric current on resistance R x flows through, this electric current can feed back to the input of electric ballast, make electron rectifier change output characteristics, thus the input characteristics of coupling LED fluorescent lamp.In the specific implementation, the element of connecting with resistance R x is not limited to starter, also can be switch elements such as controllable silicon, triode, relay, Zener diode, as long as these switch elements can satisfy in LED daylight lamp circuit access electric ballast fluorescent lamp circuit, between the both positive and negative polarity of the dc output end of bridge rectifier, can produce certain voltage, after this voltage can make these switch elements moments be switched on, produce current flowing resistance Rx and get final product.
The another kind of LED fluorescent lamp that the utility model provides, comprise the LED fluorescent tube, described LED fluorescent tube comprises first end cap and second end cap, described first end cap and described second end cap comprise two pins respectively, in described LED fluorescent tube inside, between two pins of described first end cap, be parallel with first inductance, the circuit and first bridge rectifier that form by the series connection of first electric capacity and first resistance, between two pins of described second end cap, be parallel with second inductance, the circuit and second bridge rectifier that form by the series connection of second electric capacity and second resistance, the dc output end parallel connection LED lamp group of described first bridge rectifier and described second bridge rectifier, described LED lamp group comprise the led light source group and are used for providing the circuit of constant current or constant voltage to described led light source group.Provide the circuit of constant current or constant voltage to can be in resistance, transistor and the LED power supply driver any in the specific implementation.In the specific implementation, when the circuit that constant current or constant voltage are provided adopts in resistance, the transistor any, the internal circuit configuration of this LED fluorescent lamp can be as shown in figure 13, and when the circuit that constant current or constant voltage are provided adopted power supply driver, this LED fluorescent lamp internal circuit configuration can be as Figure 27 and shown in Figure 28.
As shown in figure 13, the internal circuit of LED fluorescent lamp of the present utility model can be on the basis of circuit shown in Figure 10, after inductance L 1, and before the bridge rectifier that Q1-Q4 forms, the circuit that forms by capacitor C 3 and resistance R 3 series connection in parallel; After inductance L 2, before the bridge rectifier that Q5-Q8 forms, the circuit that forms by capacitor C 4 and resistance R 4 series connection in parallel.The circuit shown in Figure 13 and the function of circuit shown in Figure 10 are basic identical, and it still can directly be linked in traditional Inductive ballast fluorescent lamp circuit shown in Figure 1 or the conventional electronic ballast fluorescent lamp circuit shown in Figure 2.After effective cooperation of present embodiment by inductance L 1, capacitor C 3, resistance R 3, inductance L 2, capacitor C 4 and resistance R 4, the Inductive ballast in the conventional fluorescent circuit for lamp or the output characteristics of electric ballast and the input characteristics of LED fluorescent lamp are mated more, improve the illumination effect of LED fluorescent lamp, strengthen the stability of entire circuit.
Figure 14 is that LED daylight lamp circuit shown in Figure 13 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit.Simultaneously, Figure 14 also is the structural representation of the 3rd embodiment of fluorescent lamps connected connection circuit of the present utility model.As shown in figure 14, when being connected to LED daylight lamp circuit shown in Figure 13 in the Inductive ballast fluorescent lamp peripheral circuit shown in Figure 1, the pin 1 of LED daylight lamp circuit is connected to Inductive ballast L in the fluorescent lamp peripheral circuit and exchanges the AC input, the pin 3 of LED daylight lamp circuit is connected the output of described Inductive ballast, the pin 2 of LED daylight lamp circuit and pin 4 are connected on the starter base Y in the fluorescent lamp peripheral circuit, as shown in figure 14, do not connect starter on the described starter base Y.As shown in Figure 14, when receiving in the fluorescent lamp peripheral circuit, do not change the circuit structure of former fluorescent lamp peripheral circuit with LED shown in Figure 13 is fluorescent lamps connected.
Concrete, after exchanging AC input access civil power, one tunnel pin 3 through Inductive ballast L arrival LED fluorescent lamp, another road is directly inputted to the pin 1 of LED fluorescent lamp, because pin 1 and pin 2, and respectively in parallel inductance L 1 and L2 between pin 3 and the pin 4, therefore under the effect of Inductive ballast fluorescent lamp circuit civil power low frequency (being generally 50-60HZ), the induction reactance of L1 and L2 is very little, pin 1, pin 2, pin 3 and pin 4 can be thought short-circuit condition respectively, and 4 pairs of low frequency civil powers of capacitor C 3 and capacitor C show very big capacitive reactance, the circuit that can regard capacitor C 3 and resistance R 3 compositions as is open circuit, and the circuit of capacitor C 4 and resistance R 4 compositions is open circuit, therefore, can think that the live wire (perhaps zero line) of civil power is to import simultaneously from pin 1 and pin 2, and can think that the zero line (perhaps live wire) of civil power is to import simultaneously from pin 3 and pin 4.Further, after two groups of bridge rectifiers of the alternating current of input through the Q1-Q8 composition, alternating current is converted to Rectified alternating current, as shown in figure 14, the positive pole of described Rectified alternating current is last, and negative pole is following, after the filtering of Rectified alternating current through filtering capacitor C 1 and filter capacitor C2, change comparatively level and smooth dc high-voltage into, this dc high-voltage is flowed through LED lamp D1, LED lamp D2.......LED lamp Dn to ground through T1, and the LED lamp is lighted.Simultaneously, directly arrive starter base Y through live wire, zero line after inductance L 1 and inductance L 2 short circuits.Owing to the starter on the starter base Y is taken down in the present embodiment, so the LED lamp voltage that do not have a lamp tube ends is higher than the starting voltage of starter, makes the LED lamp produce the defective of flicker.
Figure 15 is that LED daylight lamp circuit shown in Figure 13 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit.Simultaneously, Figure 15 has also formed the structural representation of the 4th embodiment of fluorescent lamps connected connection circuit of the present utility model.As shown in figure 15, when the LED daylight lamp circuit among Figure 13 being connected in the electric ballast fluorescent lamp peripheral circuit shown in Figure 2, the pin 1 of LED fluorescent lamp, pin 2, pin 3 and pin 4 are connected to the output of electric ballast, the input of electric ballast is connected to and exchanges the AC input, in the specific implementation, when exchanging AC input incoming transport electricity, the inductance L 1 of present embodiment, inductance L 2, capacitor C 3, resistance R 3, capacitor C 4, resistance R 4 will be regulated the high frequency voltage of electric ballast output, so that input pin 1, pin 2, circuit parameter between pin 3 and the pin 4 mates fully with the parameter of lighting the LED fluorescent lamp, when not changing primary electron ballast fluorescent lamp circuit, normally the LED lamp is lighted to be implemented in.
As shown in figure 27, it replaces the circuit T1 that constant current or constant voltage are provided shown in Figure 13 (omitting filter capacitor C1 and filter capacitor C2 among Figure 27) with power supply driver.In the specific implementation, when adopting daylight lamp circuit shown in Figure 27, its mode that inserts the mode of Inductive ballast fluorescent lamp circuit shown in Figure 1 and insert electric ballast fluorescent lamp circuit shown in Figure 2 and Figure 14 and connecting circuit shown in Figure 15 are identical, do not give unnecessary details at this.
In addition, as shown in figure 28, can also on the basis of daylight lamp circuit shown in Figure 27, increase the series circuit that forms by resistance R x and starter S1.The effect of Rx among Figure 28 and starter S1 with and alternative elements and Figure 26 similar, do not give unnecessary details at this.
The another kind of LED fluorescent lamp that the utility model provides, comprise the LED fluorescent tube, described LED fluorescent tube comprises first end cap and second end cap, described first end cap and described second end cap comprise two pins respectively, in described LED fluorescent tube inside, between two pins of described first end cap, be parallel with the circuit that first inductance and the 3rd capacitances in series form, and be parallel with first bridge rectifier, between two pins of described second end cap, be parallel with the circuit that second inductance and the 4th capacitances in series form, and be parallel with second bridge rectifier, connect first filter capacitor between the dc output end of described first bridge rectifier, connect second filter capacitor between the dc output end of described second bridge rectifier, the two ends of described first filter capacitor and described second filter capacitor are connected LED lamp group, and described LED lamp group comprises the led light source group and is used for providing the circuit of constant current or constant voltage to described led light source group.In the specific implementation, when the circuit that constant current or constant voltage are provided adopts in resistance, the transistor any, the internal circuit configuration of this LED fluorescent lamp can be as shown in figure 16, and when the circuit that constant current or constant voltage are provided adopted power supply driver, this LED fluorescent lamp internal circuit configuration can be as Figure 29 and shown in Figure 30.
As shown in figure 16, the internal circuit of LED fluorescent lamp of the present utility model can be on the basis of circuit shown in Figure 10, the capacitor C 5 of connecting between inductance L 1 and pin 2, the capacitor C 6 of connecting between inductance L 2 and pin 4.The function that circuit shown in Figure 16 and circuit shown in Figure 10 are realized is basic identical, and it still can directly be linked in traditional Inductive ballast fluorescent lamp circuit shown in Figure 1 or the conventional electronic ballast fluorescent lamp circuit shown in Figure 2.After effective cooperation of present embodiment by inductance L 1, capacitor C 5, inductance L 2 and capacitor C 6, the Inductive ballast in the conventional fluorescent circuit for lamp or the output characteristics of electric ballast and the input characteristics of LED fluorescent lamp are mated more, improve the illumination effect of LED fluorescent lamp, strengthen the stability of entire circuit.
Figure 17 is that LED daylight lamp circuit shown in Figure 16 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit.Simultaneously, Figure 17 also is the structural representation of the 5th embodiment of fluorescent lamps connected connection circuit of the present utility model.As shown in figure 17, when being connected to LED daylight lamp circuit shown in Figure 16 in the Inductive ballast fluorescent lamp peripheral circuit shown in Figure 1, the pin 1 of LED daylight lamp circuit is connected to Inductive ballast L in the fluorescent lamp peripheral circuit and exchanges the AC input, the pin 3 of LED daylight lamp circuit is connected the output of described Inductive ballast, the pin 2 of LED daylight lamp circuit and pin 4 are connected on the starter base Y in the fluorescent lamp peripheral circuit, as shown in figure 17, do not connect starter on the described starter base Y.As shown in Figure 17, when receiving in the fluorescent lamp peripheral circuit, do not change the circuit structure of former fluorescent lamp peripheral circuit with LED shown in Figure 16 is fluorescent lamps connected.
Concrete, in Figure 17, after exchanging AC input access civil power, under the effect of Inductive ballast fluorescent lamp circuit civil power low frequency (being generally 50-60HZ), the induction reactance of L1 and L2 is very little, pin 1, pin 2, pin 3 and pin 4 can be thought short-circuit condition respectively, and 6 pairs of low frequency civil powers of capacitor C 5 and capacitor C show very big capacitive reactance, the circuit that can regard L1 and C5 composition as is open circuit, and the circuit of L2 and C6 composition is open circuit, like this after two groups of bridge rectifiers of the alternating current of input through the Q1-Q8 composition, alternating current is converted to Rectified alternating current, as shown in figure 17, the positive pole of described Rectified alternating current is last, and negative pole is following, after the filtering of Rectified alternating current through filtering capacitor C 1 and filter capacitor C2, change comparatively level and smooth dc high-voltage into, this dc high-voltage is through the T1 LED lamp D1 that flows through, LED lamp D2.......LED lamp Dn is lighted the LED lamp to ground.Simultaneously, directly arrive starter base Y through live wire, zero line after inductance L 1 and inductance L 2 short circuits.Owing to the starter on the starter base Y is taken down in the present embodiment, so the LED lamp voltage that do not have a lamp tube ends is higher than the starting voltage of starter, makes the LED lamp produce the defective of flicker.
Figure 18 LED daylight lamp circuit shown in Figure 16 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit.Simultaneously, Figure 18 has also formed the structural representation of the 6th embodiment of fluorescent lamps connected connection circuit of the present utility model.As shown in figure 18, when the LED daylight lamp circuit among Figure 16 being connected in the electric ballast fluorescent lamp peripheral circuit shown in Figure 2, the pin 1 of LED fluorescent lamp, pin 2, pin 3 and pin 4 are connected to the output of electric ballast, the input of electric ballast is connected to and exchanges the AC input, in the specific implementation, when exchanging AC input incoming transport electricity, the inductance L 1 of present embodiment, capacitor C 5, inductance L 2 and capacitor C 6 will be regulated the high frequency voltage of electric ballast output, so that input pin 1, pin 2, circuit parameter between pin 3 and the pin 4 mates fully with the parameter of lighting the LED fluorescent lamp, when not changing primary electron ballast fluorescent lamp circuit, normally the LED lamp is lighted to be implemented in.
As shown in figure 29, it replaces the circuit T1 that constant current or constant voltage are provided shown in Figure 16 with power supply driver.In the specific implementation, when adopting daylight lamp circuit shown in Figure 29, its mode that inserts the mode of Inductive ballast fluorescent lamp circuit shown in Figure 1 and insert electric ballast fluorescent lamp circuit shown in Figure 2 and Figure 17 and connecting circuit shown in Figure 180 are identical, do not give unnecessary details at this.
In addition, as shown in figure 30, can also on the basis of daylight lamp circuit shown in Figure 29, increase the series circuit that forms by resistance R x and starter S1.Concrete, remove filter capacitor C1 and filter capacitor C2 among Figure 29 among Figure 30.The effect of Rx among Figure 30 and starter S1 with and alternative elements and Figure 26 similar, do not give unnecessary details at this.
The another kind of LED fluorescent lamp that the utility model provides, comprise the LED fluorescent tube, described LED fluorescent tube comprises first end cap and second end cap, described first end cap and described second end cap comprise two pins respectively, in described LED fluorescent tube inside, between two pins of described first end cap, be parallel with the circuit that the series connection of first inductance and first switch element forms, the circuit and first bridge rectifier that first electric capacity and the series connection of first resistance form, between two pins of described second end cap, be parallel with the circuit that the series connection of second inductance and second switch element forms, the circuit and second bridge rectifier that second electric capacity and the series connection of second resistance form, connect first filter capacitor between the both positive and negative polarity of the dc output end of described first bridge rectifier, connect second filter capacitor between the both positive and negative polarity of the dc output end of described second bridge rectifier, the two ends of described first filter capacitor and described second filter capacitor are connected LED lamp group, and described LED lamp group comprises the led light source group and is used for providing the circuit of constant current or constant voltage to described led light source group.In the specific implementation, described first switch element and second switch element can be in controllable silicon, photoelectrical coupler, relay and the transistor any.When described first switch element was controllable silicon, described silicon controlled trigger end was connected on the connecting line between described first electric capacity and described first resistance; When described second switch element was controllable silicon, described silicon controlled trigger end was connected on the connecting line between described second electric capacity and described second resistance.In the specific implementation, when the circuit that constant current or constant voltage are provided adopts in resistance, the transistor any, the internal circuit configuration of this LED fluorescent lamp can be as shown in figure 19, and when the circuit that constant current or constant voltage are provided adopted power supply driver, this LED fluorescent lamp internal circuit configuration can be as Figure 31 and shown in Figure 32.
As shown in figure 19, the internal circuit of LED fluorescent lamp of the present utility model can be on the basis of circuit shown in Figure 13, a controllable silicon T2 connects between inductance L 1 and pin 2, the trigger end G of described controllable silicon T2 is connected between capacitor C 3 and the resistance R 3, the controllable silicon T3 that connects between inductance L 2 and pin 4, the trigger end G of described silicon controlled T3 is connected between capacitor C 4 and the resistance R 4.The function that circuit shown in Figure 19 and circuit shown in Figure 10 are realized is basic identical, it still can directly be linked in traditional Inductive ballast fluorescent lamp circuit shown in Figure 1 or the conventional electronic ballast fluorescent lamp circuit shown in Figure 2, and when the LED fluorescent lamp that adopts present embodiment inserted the Inductive ballast fluorescent lamp circuit, the starter on the described Inductive ballast fluorescent lamp circuit can keep.After effective cooperation of present embodiment by inductance L 1, capacitor C 3, resistance R 3, inductance L 2, capacitor C 4, resistance R 4, controllable silicon T2, controllable silicon T3, the Inductive ballast in the conventional fluorescent circuit for lamp or the output characteristics of electric ballast and the input characteristics of LED fluorescent lamp are mated more, improve the illumination effect of LED fluorescent lamp, strengthen the stability of entire circuit.
Figure 20 is that LED daylight lamp circuit shown in Figure 19 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit.Simultaneously, Figure 20 also is the structural representation of the 7th embodiment of fluorescent lamps connected connection circuit of the present utility model.As shown in figure 20, when being connected to LED daylight lamp circuit shown in Figure 19 in the Inductive ballast fluorescent lamp peripheral circuit shown in Figure 1, the pin 1 of LED daylight lamp circuit is connected to Inductive ballast L in the fluorescent lamp peripheral circuit and exchanges the AC input, the pin 3 of LED daylight lamp circuit is connected the output of described Inductive ballast, the pin 2 of LED daylight lamp circuit and pin 4 are connected on the starter base Y in the fluorescent lamp peripheral circuit, as shown in figure 20, on the described starter base Y starter S is installed.As shown in Figure 20, when receiving in the fluorescent lamp peripheral circuit, do not change the circuit structure of former fluorescent lamp peripheral circuit with LED shown in Figure 19 is fluorescent lamps connected.
Concrete, as Figure 20, after alternating current AC input inserts civil power, one tunnel pin 3 through Inductive ballast L arrival LED fluorescent lamp, another road is directly inputted to the pin 1 of LED fluorescent lamp, and capacitor C 3 and capacitor C 4 can produce very big capacitive reactance (in the specific implementation, can realizing by the capacitance of adjusting capacitor C 3 and capacitor C 4) to low frequency (50-60HZ) civil power in the present embodiment, the voltage drop that produces on resistance R 3 and resistance R 4 is very little like this, is not enough to trigger controllable silicon T2 and controllable silicon T3 conducting.Therefore, in the present embodiment, the live wire of civil power and zero line can not arrive the two ends of starter S by pin 2 and pin 4, therefore, as shown in figure 20, also can not impact the luminous of circuit even present embodiment keeps starter S.Meanwhile, the series loop that capacitor C 3, resistance R 3 form in the present embodiment, and the series loop that forms of capacitor C 4, resistance R 4 can adjust its electric current of flowing through, and such adjustment can prevent that also the LED fluorescent lamp from avoiding being subjected to starter to influence and produce flicker.
Figure 21 is that LED daylight lamp circuit shown in Figure 19 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit.Simultaneously, Figure 21 has also formed the structural representation of the 8th embodiment of fluorescent lamps connected connection circuit of the present utility model.As shown in figure 21, when the LED daylight lamp circuit among Figure 19 being connected in the electric ballast fluorescent lamp peripheral circuit shown in Figure 2, the pin 1 of LED fluorescent lamp, pin 2, pin 3 and pin 4 are connected to the output of electric ballast, and the input of electric ballast is connected to and exchanges the AC input.
In the specific implementation, when exchanging AC input incoming transport electricity, through exporting high-frequency alternating current (about 40KHZ) after the electric ballast, this high-frequency alternating current is imported respectively from pin 1, pin 2, pin 3 and pin 4, and the capacitive reactance of the high-frequency alternating current of capacitor C 3 and 4 pairs of inputs of capacitor C will diminish.According to electrician's knowledge as can be known, when capacitance one timing, incoming frequency is high more, the capacitive reactance that electric capacity produces is more little, therefore, and in the present embodiment, therefore under the effect of high-frequency alternating current, capacitor C 3 and capacitor C 4 show less capacitive reactance, and bigger electric current flow through resistance R 3 and resistance R 4 can be arranged.Present embodiment can pass through the capacity of appropriate design capacitor C 3, capacitor C 4 and the resistance of appropriate design resistance R 3 and resistance R 4, makes it under the situation that receives the high-frequency alternating current input, and controllable silicon T2 and controllable silicon T3 are become conducting state by off-state.And present embodiment is when controllable silicon T2 and controllable silicon T3 conducting, and this embodiment promptly is equivalent to the circuit of second embodiment shown in Figure 13.
As shown in figure 31, it replaces the circuit T1 that constant current or constant voltage are provided shown in Figure 19 with power supply driver.In the specific implementation, when adopting daylight lamp circuit shown in Figure 31, its mode that inserts the mode of Inductive ballast fluorescent lamp circuit shown in Figure 1 and insert electric ballast fluorescent lamp circuit shown in Figure 2 and Figure 20 and connecting circuit shown in Figure 21 are identical, do not give unnecessary details at this.
In addition, shown in Figure 32 (removing filter capacitor C1 and filter capacitor C2 among Figure 31 among Figure 32), can also on the basis of daylight lamp circuit shown in Figure 31, increase the series circuit that forms by resistance R x and starter S1.The effect of Rx among Figure 32 and starter S1 with and alternative elements and Figure 26 similar, do not give unnecessary details at this.
The another kind of LED fluorescent lamp that the utility model provides, comprise the LED fluorescent tube, described LED fluorescent tube comprises first end cap and second end cap, described first end cap and described second end cap comprise two pins respectively, in described LED fluorescent tube inside, between two pins of described first end cap, be parallel with the circuit that first inductance and first switch element and the 5th capacitances in series form, the circuit and first bridge rectifier that first electric capacity and the series connection of first resistance form, between two pins of described second end cap, be parallel with the circuit that second inductance and second switch element and the 6th capacitances in series form, the circuit and second bridge rectifier that second electric capacity and the series connection of second resistance form, connect first filter capacitor between the both positive and negative polarity of the dc output end of described first bridge rectifier, connect second filter capacitor between the both positive and negative polarity of the dc output end of described second bridge rectifier, the two ends of described first filter capacitor and described second filter capacitor are connected LED lamp group, and described LED lamp group comprises the led light source group and is used for providing the circuit of constant current or constant voltage to described led light source group.In the specific implementation, described first switch element and second switch element can be in controllable silicon, photoelectrical coupler, relay and the transistor any.When described first switch element was controllable silicon, described silicon controlled trigger end was connected on the connecting line between described first electric capacity and described first resistance; When described second switch element was controllable silicon, described silicon controlled trigger end was connected on the connecting line between described second electric capacity and described second resistance.In the specific implementation, when the circuit that constant current or constant voltage are provided adopts in resistance, the transistor any, the internal circuit configuration of this LED fluorescent lamp can be as shown in figure 22, and when the circuit that constant current or constant voltage are provided adopted power supply driver, this LED fluorescent lamp internal circuit configuration can be as Figure 33 and shown in Figure 34.
As Figure 22, the internal circuit of LED fluorescent lamp of the present utility model can be on the basis of circuit shown in Figure 19, series connection one capacitor C 7 between inductance L 1 and controllable silicon T2, series connection one capacitor C 8 between inductance L 2 and controllable silicon T3.The effect of capacitor C 7 and capacitor C 8 also is a coupling of further improving the input characteristics of the output characteristics of Inductive ballast or electric ballast and LED fluorescent lamp.The function that circuit shown in Figure 22 and circuit shown in Figure 10 are realized is basic identical, it still can directly be linked in traditional Inductive ballast fluorescent lamp circuit or the conventional electronic ballast fluorescent lamp circuit, and when the LED fluorescent lamp that adopts present embodiment inserted the Inductive ballast fluorescent lamp circuit, the starter on the described Inductive ballast fluorescent lamp circuit can keep.
Figure 23 is that LED daylight lamp circuit shown in Figure 22 is connected to the electrical block diagram in the Inductive ballast fluorescent lamp peripheral circuit.Simultaneously, Figure 20 also is the structural representation of the 9th embodiment of fluorescent lamps connected connection circuit of the present utility model.As shown in figure 23, when being connected to LED daylight lamp circuit shown in Figure 22 in the Inductive ballast fluorescent lamp peripheral circuit shown in Figure 1, the pin 1 of LED daylight lamp circuit is connected to Inductive ballast L in the fluorescent lamp peripheral circuit and exchanges the AC input, the pin 3 of LED daylight lamp circuit is connected the output of described Inductive ballast, the pin 2 of LED daylight lamp circuit and pin 4 are connected on the starter base Y in the fluorescent lamp peripheral circuit, as shown in figure 23, on the described starter base Y starter S is installed.As shown in Figure 23, when receiving in the fluorescent lamp peripheral circuit, do not change the circuit structure of former fluorescent lamp peripheral circuit with LED shown in Figure 22 is fluorescent lamps connected.8 pairs of low frequency civil powers of capacitor C 7 and capacitor C produce big capacitive reactance among Figure 23, and therefore deficiency is so that T2 and T3 are switched in this circuit, and at this moment, the circuit equivalent of Figure 23 is in circuit shown in Figure 17.
Figure 24 is that LED daylight lamp circuit shown in Figure 22 is connected to the electrical block diagram in the electric ballast fluorescent lamp peripheral circuit.Simultaneously, Figure 24 has also formed the structural representation of the tenth embodiment of fluorescent lamps connected connection circuit of the present utility model.As shown in figure 24, when the LED daylight lamp circuit among Figure 22 being connected in the electric ballast fluorescent lamp peripheral circuit shown in Figure 2, the pin 1 of LED fluorescent lamp, pin 2, pin 3 and pin 4 are connected to the output of electric ballast, and the input of electric ballast is connected to and exchanges the AC input.
As shown in figure 33, it replaces the circuit T1 that constant current or constant voltage are provided shown in Figure 22 with power supply driver.In the specific implementation, when adopting daylight lamp circuit shown in Figure 33, its mode that inserts the mode of Inductive ballast fluorescent lamp circuit shown in Figure 1 and insert electric ballast fluorescent lamp circuit shown in Figure 2 and Figure 23 and connecting circuit shown in Figure 24 are identical, do not give unnecessary details at this.
In addition, shown in Figure 34 (removing filter capacitor C1 and filter capacitor C2 among Figure 33 among Figure 34), can also on the basis of daylight lamp circuit shown in Figure 33, increase the series circuit that forms by resistance R x and starter S1.The effect of Rx among Figure 34 and starter S1 with and alternative elements and Figure 26 similar, do not give unnecessary details at this.
In addition, the LED fluorescent lamp of the utility model embodiment makes in inserting traditional fluorescent lamp peripheral circuit the LED lamp lighted, and it also can directly insert civil power.Figure 35 promptly is a kind of connecting circuit schematic diagram that LED fluorescent lamp internal circuit shown in Figure 31 directly inserts civil power.As shown in figure 35, exchange the AC input and insert simultaneously from the two ends of LED fluorescent lamp, wherein the pin 1 of LED fluorescent lamp and pin 2 are connected to an end of AC input simultaneously, and pin 3 and pin 4 are connected to the other end of AC input simultaneously.Figure 36 is the another kind of connecting circuit schematic diagram that LED fluorescent lamp internal circuit shown in Figure 31 directly inserts civil power.As shown in figure 36, exchange the AC input and insert simultaneously from the two ends of LED fluorescent lamp, wherein the pin 1 of LED fluorescent lamp and pin 3 are vacant, and pin 2 and pin 4 are connected respectively to the two ends of AC input.Figure 37 is another connecting circuit schematic diagram that LED fluorescent lamp internal circuit shown in Figure 31 directly inserts civil power.As shown in figure 37, exchange the AC input and go into from a termination of LED fluorescent lamp, the other end of LED fluorescent lamp is vacant, and is concrete, exchange the AC input and insert from pin 1 and pin 2, and pin 3 and pin 4 is vacant.Figure 38 is another connecting circuit schematic diagram that LED fluorescent lamp internal circuit shown in Figure 31 directly inserts civil power.As shown in figure 38, two groups of two ends accesses that exchange the AC input from the LED fluorescent lamp, wherein one group of AC input inserts from pin 1 and pin 2, and another group AC input inserts from pin 3 and pin 4.
Above disclosed only is the utility model preferred embodiment, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (13)
1. LED fluorescent lamp, it is characterized in that, comprise the LED fluorescent tube, described LED fluorescent tube comprises first end cap and second end cap, described first end cap and described second end cap comprise two pins respectively, in described LED fluorescent tube inside, be parallel with second inductance and second bridge rectifier being parallel with between two pins of described first end cap between first inductance and first bridge rectifier and two pins at described second end cap, the dc output end parallel connection LED lamp group of described first bridge rectifier and described second bridge rectifier, described LED lamp group comprise the led light source group and are used for providing the circuit of constant current or constant voltage to described led light source group.
2. LED fluorescent lamp as claimed in claim 1 is characterized in that,
After described first inductance, before described first bridge rectifier, also be parallel with the circuit that forms by first electric capacity and the series connection of first resistance between two pins of described first end cap;
After described second inductance, before described second bridge rectifier, also be parallel with the circuit that forms by second electric capacity and second capacitances in series between two pins of described second end cap.
3. LED fluorescent lamp as claimed in claim 1 is characterized in that,
The output of described first inductance and with pin that described output links to each other between series connection the 3rd electric capacity;
The output of described second inductance and with pin that described output links to each other between series connection the 4th electric capacity.
4. LED fluorescent lamp as claimed in claim 2 is characterized in that,
The output of described first inductance and with pin that described output links to each other between series connection one to make the described first inductance original state be first switch element of off-state;
The output of described second inductance and with pin that described output links to each other between series connection one to make the described second inductance original state be the second switch element of off-state.
5. LED fluorescent lamp as claimed in claim 4 is characterized in that,
Between described first inductance and described first switch element, also be in series with the 5th electric capacity;
Described second inductance and described and also be in series with the 6th electric capacity between the switch element.
6. LED fluorescent lamp as claimed in claim 4, it is characterized in that, described first switch element and described second switch element be in controllable silicon, photoelectrical coupler, relay and the transistor any, when described first switch element was controllable silicon, described silicon controlled trigger end was connected on the connecting line between described first electric capacity and described first resistance; When described second switch element was controllable silicon, described silicon controlled trigger end was connected on the connecting line between described second electric capacity and described second resistance.
7. as each described LED fluorescent lamp among the claim 1-6, it is characterized in that, described be used for to described led light source group provide the circuit of constant current or constant voltage be resistance, transistor, LED power supply driver any.
8. LED fluorescent lamp as claimed in claim 7, it is characterized in that, when described when being used for providing the circuit of constant current or constant voltage to be the LED power supply driver to described led light source group, at the front end of described LED lamp group, the dc output end of described first bridge rectifier also is parallel with the circuit of the 3rd resistance and the 3rd switch element series connection formation.
9. LED fluorescent lamp as claimed in claim 8 is characterized in that, described the 3rd switch element comprises in starter, controllable silicon, triode, relay, the Zener diode any.
10. as each described LED fluorescent lamp among the claim 1-6, it is characterized in that, before described LED lamp group, the dc output end of described first bridge rectifier also is parallel with first filter capacitor, and the dc output end of described second bridge rectifier also is parallel with second filter capacitor.
11. fluorescent lamps connected connection circuit, comprise Inductive ballast and starter base in the fluorescent lamp circuit, it is characterized in that, also comprise as each described LED fluorescent lamp among the claim 1-3, the input of described Inductive ballast is connected an end that exchanges input, pin on first end cap of described fluorescent lamp is connected the other end that exchanges input, another pin of described first end cap is connected an end of described starter base, pin on second end cap of described fluorescent lamp is connected the output of described Inductive ballast, another pin of described second end cap is connected the other end of described starter base, on the described starter base starter is not installed.
12. fluorescent lamps connected connection circuit, comprise Inductive ballast and starter base in the fluorescent lamp circuit, it is characterized in that, also comprise as each described LED fluorescent lamp among the claim 4-6, the input of described Inductive ballast is connected an end that exchanges input, pin on first end cap of described fluorescent lamp is connected the other end that exchanges input, another pin of described first end cap is connected an end of described starter base, pin on second end cap of described fluorescent lamp is connected the output of described Inductive ballast, another pin of described second end cap is connected the other end of described starter base, and described starter base is equipped with starter.
13. fluorescent lamps connected connection circuit, comprise the electric ballast in the fluorescent lamp circuit, it is characterized in that, also comprise as each described LED fluorescent lamp among the claim 1-6, the input of described electric ballast is connected the two ends that exchange input, two pins on first end cap of described fluorescent lamp is connected to two outputs of described electric ballast, and the two pins on second end cap of described fluorescent lamp is connected to two other output of described electric ballast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206483968U CN201866595U (en) | 2010-12-07 | 2010-12-07 | LED (light emitting diode) fluorescent lamp and fluorescent lamp connection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206483968U CN201866595U (en) | 2010-12-07 | 2010-12-07 | LED (light emitting diode) fluorescent lamp and fluorescent lamp connection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201866595U true CN201866595U (en) | 2011-06-15 |
Family
ID=44137749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206483968U Expired - Fee Related CN201866595U (en) | 2010-12-07 | 2010-12-07 | LED (light emitting diode) fluorescent lamp and fluorescent lamp connection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201866595U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155644A (en) * | 2010-12-07 | 2011-08-17 | 刘昌贵 | LED (light emitting diode) fluorescent lamp and fluorescent lamp connecting circuit |
| CN102901065A (en) * | 2011-07-28 | 2013-01-30 | 广东三雄极光照明股份有限公司 | Conversion support with short-circuit protection |
| CN104534332A (en) * | 2015-01-04 | 2015-04-22 | 河南中云创光电科技股份有限公司 | LED fluorescent lamp |
| CN106870974A (en) * | 2017-03-01 | 2017-06-20 | 深圳驰迅科技有限公司 | A kind of Multi-function compatible type fluorescent tube |
-
2010
- 2010-12-07 CN CN2010206483968U patent/CN201866595U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155644A (en) * | 2010-12-07 | 2011-08-17 | 刘昌贵 | LED (light emitting diode) fluorescent lamp and fluorescent lamp connecting circuit |
| CN102901065A (en) * | 2011-07-28 | 2013-01-30 | 广东三雄极光照明股份有限公司 | Conversion support with short-circuit protection |
| CN104534332A (en) * | 2015-01-04 | 2015-04-22 | 河南中云创光电科技股份有限公司 | LED fluorescent lamp |
| CN106870974A (en) * | 2017-03-01 | 2017-06-20 | 深圳驰迅科技有限公司 | A kind of Multi-function compatible type fluorescent tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102155642B (en) | LED (light emitting diode) daylight lamp and connecting circuit thereof | |
| CN102155644B (en) | LED (light emitting diode) fluorescent lamp and fluorescent lamp connecting circuit | |
| CN201515528U (en) | LED fluorescent lamp circuit | |
| CN101861018B (en) | LED switch power supply capable of dimming | |
| CN202603010U (en) | Driving circuit of compatible LED (Light Emitting Diode) lamp tube | |
| CN102045928A (en) | LED (light-emitting diode) lamp power supply capable of dimming | |
| CN201657400U (en) | LED dimming controller | |
| CN201866593U (en) | LED daylight lamp and connecting circuit thereof | |
| CN201866595U (en) | LED (light emitting diode) fluorescent lamp and fluorescent lamp connection circuit | |
| CN202503747U (en) | Drive circuit of LED street lamp power supply | |
| CN102155646B (en) | Light-emitting diode (LED) fluorescent lamp and connecting circuit thereof | |
| CN201866598U (en) | LED daylight lamp and connecting circuit thereof | |
| CN201866596U (en) | LED daylight lamp and connecting circuit thereof | |
| CN102155645B (en) | LED (light emitting diode) fluorescent lamp and fluorescent lamp connecting circuit | |
| CN201866597U (en) | LED daylight lamp and connecting circuit thereof | |
| CN201515527U (en) | LED fluorescent lamp tube circuit | |
| CN201866594U (en) | LED daylight lamp and connecting circuit thereof | |
| CN201937905U (en) | Light emitting diode (LED) lamp dimmable power supply | |
| CN102155643B (en) | LED (Light Emitting Diode) fluorescent lamp and fluorescent lamp connecting circuit | |
| CN102155648A (en) | LED (light-emitting diode) fluorescent lamp and fluorescent lamp connecting circuit | |
| CN201897122U (en) | LED daylight lamp and connecting circuit of daylight lamp | |
| CN202551458U (en) | Conversion module for driving LED (Light-Emitting Diode) by using electronic ballast | |
| CN102155649B (en) | Light-emitting diode (LED) fluorescent lamp and connecting circuit thereof | |
| CN205005320U (en) | Driving circuit of light -emitting diode (LED) fluorescent tube | |
| CN102155647A (en) | LED (light emitting diode) fluorescent lamp and fluorescent lamp connecting circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20111207 |