CN202210512U - External plasma induction electrode and external capacitor electrode fluorescent lamp - Google Patents
External plasma induction electrode and external capacitor electrode fluorescent lamp Download PDFInfo
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- CN202210512U CN202210512U CN2011201841595U CN201120184159U CN202210512U CN 202210512 U CN202210512 U CN 202210512U CN 2011201841595 U CN2011201841595 U CN 2011201841595U CN 201120184159 U CN201120184159 U CN 201120184159U CN 202210512 U CN202210512 U CN 202210512U
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Abstract
The present utility model relates to an external plasma induction electrode and external capacitor electrode fluorescent lamp. On the basis of a circuit of the traditional integrated fluorescent lamp, miniwatt HF current transformers AM are respectively arranged on two ends of the fluorescent lamp, secondary windings N2 are respectively connected with outer leading wire terminals of filament electrodes inside the fluorescent lamp, tube AC current is led out from central taps of the secondary windings N2, two insulated open-looped tinsel capacitor electrodes C are respectively arranged outside the two ends of the fluorescent lamp to share the current of the fluorescent lamp with external inductance electrodes L, once the filament electrodes inside the tube are turned off, the fluorescent lamp can still work normally, and the work reliability of the fluorescent lamp can be enhanced.
Description
Technical field
The utility model relates to a kind of lighting, particularly a kind of external influence of plasma electrode and external capacitance electrode fluorescent lamp that improves conventional fluorescent life-span and electric work efficient.
Background technology
As everyone knows: in the various fluorescent tubes that modern industrialization is produced in enormous quantities, only having only a kind of electrode, is exactly " ohm-type filament electrode °.Fig. 2 is traditional integrated electric fluorescent lamp circuit schematic diagram, be cost performance more excellent pass through one of authentication version, can realize that electrical power is more than 0.9 more than the power factor PF0.9.
As shown in Figure 2, traditional integrated electric fluorescent lamp circuit is following: alternating voltage through with after fusing fuse F is connected, is connected the interference level with reduction EMC with zero line N end, the rectification of process DX4 rectifier bridge through live wire L terminal with electromagnetic interface filter.The series arm of C1 and capacitor C 2 is held in parallel connection between the both positive and negative polarity output of rectifier bridge DX4, and simultaneously at capacitor C 1 parallel diode D1, the negative pole of diode D1 is connected to the electrode input end of DX4; Capacitor C 2 parallel diode D2, the positive pole of diode D2 is connected with the cathode output end of DX4.The mid point of capacitor C 1 and capacitor C 2 series arms is connected with an end of fluorescent lamp T heater lead terminal; The lead terminal of the fluorescent lamp T filament other end is connected with inductance L r, capacitor C s, magnetic core inductance N0 successively, wherein different name end, the diode D of the c utmost point of the positive pole of the end of the same name of magnetic core inductance N0 and diode DS1, triode VS2 and magnetic core inductance N1
0Negative pole end connect.The two ends shunt capacitance Cp of fluorescent lamp T heater lead terminal.
It is anodal that rectifier bridge DX4 cathode output end is connected to diode D3, between diode D3 negative pole and rectifier bridge DX4 negative pole, is parallel to three branch roads respectively.Article one that diode D3 negative pole connects props up route diode DS1 and diode DS2 is in series successively, and wherein the positive pole of diode DS2 is connected with the cathode output end of rectifier bridge DX4, and the negative pole of diode DS1 is connected with the negative pole of diode D3.The second that diode D3 negative pole connects props up route triode VS1, resistance r
E1, triode VS2 and resistance r
E2Be in series successively, wherein, the c utmost point of triode VS1 is connected with the negative pole of diode D3, and the e utmost point of triode VS1 is through resistance r
E1Be connected with the c utmost point of triode VS2, the e utmost point of triode VS2 is through resistance r
E2Be connected with the cathode output end of rectifier bridge DX4.The b utmost point of triode VS1 and the end of the same name that is connected to magnetic core inductance N1 after the positive pole of diode Db1 is connected, the parallel resistance Rb1 at diode Db1 two ends, the different name end of magnetic core inductance N1 is connected to the c utmost point of triode VS2.The c utmost point of triode VS2 links to each other with the negative pole of diode D0 and the end of the same name of magnetic core inductance N0 simultaneously.The cathode series resistance R of diode D0
TAfter be connected to the negative pole of diode D3.The 3rd branch road between diode D3 negative pole and the rectifier bridge DX4 cathode output end is and capacitor C
DCParallel branch.Positive terminal while and the capacitor C of diode D0
TConnect capacitor C
TThe other end be connected to the cathode output end of rectifier bridge DX4.The b utmost point of triode VS2 connects the positive terminal of diode D0 through bidirectional diode DB3, and with resistance R b
2Series connection is at resistance R b
2Between parallel diode Db2, the positive pole of diode Db2 is connected with the b utmost point of triode VS2, the negative pole of diode Db2 is connected with the different name end of magnetic core inductance N2, the end of the same name of magnetic core inductance N2 is connected to the cathode output end of rectifier bridge DX4.
As shown in Figure 2, the alternating voltage of traditional integrated electric fluorescent lamp circuit is through live wire L terminal and the input of zero line N terminal, and after the input electromagnetic interface filter reduced the EMC interference level behind the fusing fuse F, input rectifying bridge DX4 realized rectification and output dc voltage.The LCC oscillating circuit of direct voltage through rectifier bridge output through mainly forming by triode VS1, triode VS2, capacitor C 1, capacitor C s, magnetic core inductance N0, magnetic core inductance N1, magnetic core inductance N2 and inductance L r; Realize the conversion of high direct voltage to high-frequency ac; And realization APFC function; Make the phase place of AC power input current follow the phase place of input AC electricity all the time, circuit PF surpasses 0.9.Simultaneously, because the lamp resistance R
TWinding D.C. resistance R greater than Lr
Lr, can realize that circuit electric work efficient is up to more than 0.9.
Not enough below the circuit of tradition integrated electric fluorescent lamp exists: (1) must cause Fig. 2 circuit not work in case the fluorescent tube internal filaments opens circuit, and is regarded as lamp tube service life and ends, and lamp tube service life is short partially.(2) " the ohm-type filament electrode " of conventional fluorescent fluorescent tube brought resistance loss, is unfavorable for promoting electric work efficient.(3) in self-oscillation process, from capacitor C
TThere is not positive feedback through diode D0 to the discharge process of triode VS2, capacitor C
TEnergy storage be not fully used.
In addition; Existing a kind of " electrodeless florescent lamp "; Also only be that fluorescent tube has " maxwell's induction electrode "---inductance electrode outward, it utilizes the electromagnetic induction transformer principle, produces the electromagnetic field of high frequency with lamp outer " induction electrode "; Low pressure gas produces influence of plasma and forms a circle short circuit current and make lamp and start arc current in the exciter lamp, and electric arc produces ultraviolet ray excited tube inner wall light-emitting phosphor; Because no any electrode in the electrodeless lamp, thus the luminous component life-span only by the decision of fluorescent material light decay, the life-span is above more than 60,000 hours in theory.But electrodeless lamp electromagnetic interference (EMC) is serious, and is unfavorable for environmental protection and green illumination sustainable development.Electrodeless lamp build-up of luminance difficulty, (EMC) is more serious for electromagnetic interference in the build-up of luminance process, is difficult to through relevant authentication.Though the electrodeless lamp luminous component life-span is very long, it is not long to be limited by supporting electric ballast actual motion working life yet.
Summary of the invention
The utility model technical problem to be solved provides a kind of external influence of plasma electrode and external capacitance electrode fluorescent lamp, solves the life problems of existing fluorescent lamp and improves electric work efficient.
The utility model solves the problems of the technologies described above with following technical scheme:
External influence of plasma electrode of the utility model and external capacitance electrode fluorescent lamp; Be on traditional integrated electric fluorescent lamp circuit basis,, adopt two beads to make two small-power HF current transformer AM in order to solve the problem that circuit still can work on after the tube filament short circuit; Its secondary winding N2 connects the outer lead terminal of fluorescent lamp internal filaments electrode respectively; The fluorescent tube alternating current is drawn from the centre cap ◎ of secondary winding N2, the metal forming capacitance electrode C of the not closed loop of external two insulation of difference at the fluorescent lamp two ends, and external inductance electrode L simultaneously; The electric current of fluorescent lamp is shared in realization, effectively prolongs the conventional fluorescent life-span.
As shown in Figure 3; The said external influence of plasma electrode of the utility model with the concrete connected mode of external capacitance electrode fluorescent lamp is: the heater lead terminal 11 of fluorescent lamp T one end is connected with the binding post 1,2 of current transformer AM secondary winding N2 with 22; The binding post 3 of former limit winding N1 is connected with the lead-out wire 8 of external inductance electrode L, the centre cap ◎ of current transformer AM secondary winding N2, the binding post 3 of the former limit of current transformer AM winding N1, and it is parallelly connected with capacitor C 1 and capacitor C 2 respectively with mid point, diode D1 and the diode D2 of C2 that the lead-out wire 7 of external inductance electrode L and external capacitance electrode C lead-out wire 6 are connected to capacitor C 1.Shunt capacitance Cp between the binding post 4 of the former limit winding N1 of the binding post 4 of the former limit of current transformer AM winding N1 and fluorescent tube T other end current transformer AM.The heater lead terminal 1 of the fluorescent lamp T other end is connected with the binding post 1,2 of another current transformer AM secondary winding N2 with 2; The binding post 3 of former limit winding N1 is connected with the lead-out wire 8 of external inductance electrode L, the centre cap ◎ of current transformer AM secondary winding N2, the binding post 3 of the former limit of current transformer AM winding N1, and the lead-out wire 7 of external inductance electrode L is connected with external capacitance electrode C lead-out wire 6, inductance L r.
In order to make full use of the energy storage of capacitor C T, the end of the same name of magnetic core inductance N0 is connected with the c utmost point of triode VS2, and is connected to the negative pole of diode DS2.The different name end of magnetic core inductance N0 respectively with the negative pole short circuit of capacitor C s, diode D0.The negative pole short circuit of the negative pole of diode DS1 and diode D3 also is connected to the c utmost point of triode VS1, and the e utmost point of triode VS1 is through resistance r
E1After, with positive pole, the c utmost point of triode VS2, the negative pole of diode DS2, the magnetic core inductance N0 end short circuit of the same name of diode DS1.
The whole employing of the bead of said fluorescent lamp, induction electrode and capacitance electrode can absorb electromagnetic magnetic particle colloid and carry out embedding; External capacitance electrode adopts the metal forming of the not closed loop of insulation to make; External inductance electrodes use insulated conductor coiling forms; Realize low Electromagnetic Interference EMC level, have quite well-to-do margin of safety up to standard.
The outstanding outstanding technique effect of the utility model is:
Through two small-power HF current transformer AM also the metal forming capacitance electrode C and the external inductance electrode L of the not closed loop of external two insulation of difference are set at the fluorescent lamp two ends; Can effectively prolong the conventional fluorescent life-span and improve electric work efficient; And through the centre cap ◎ of fluorescent tube alternating current from current transformer AM secondary winding N2 drawn; In case realizing fluorescent tube internal filaments electrode opens circuit; Still keep the fluorescent lamp operate as normal, improve the reliability of fluorescent lamp operation, can be applicable to the occasion higher the fluorescent lamp reliability requirement.
Description of drawings
Fig. 1 is the structural representation of said external influence of plasma electrode of the utility model and external capacitance electrode fluorescent lamp.
Fig. 2 is traditional integrated electric fluorescent lamp circuit schematic diagram.
Fig. 3 is the circuit theory diagrams of said external influence of plasma electrode of the utility model and external capacitance electrode fluorescent lamp.
Be labeled as among the figure:
1---the original filament electrode lead-out wire of fluorescent tube
2---the original filament electrode lead-out wire of fluorescent tube
1.---current transformer AM secondary winding N2 lead terminal
2.---current transformer AM secondary winding N2 lead terminal
3.---the former limit of current transformer AM winding N1 lead terminal
4.---the former limit of current transformer AM winding N1 lead terminal
◎---current transformer AM secondary winding N2 centre cap
5---the external not closed loop of fluorescent tube capacitance electrode lead-out wire
6---the external not closed loop of fluorescent tube capacitance electrode lead-out wire
7---the external wire-wound inductor electrode outlet line of fluorescent tube
8---the external wire-wound inductor electrode outlet line of fluorescent tube
9---one of fluorescent tube two ends part sectioned view
10---high frequency small-power electric current mutual inductance magnetic core bead
L---fire line terminal
N---zero terminal
EMI---filter
DX4---rectifier bridge
D1---diode
D2 a---utmost point pipe
C1---electric capacity
C2---electric capacity
T---fluorescent tube
Cp---electric capacity
D3---diode
Lr---inductance
Cs---electric capacity
The former limit winding of N0---magnetic core inductance
DS1---diode
DS2---diode
VS1---triode
VS2---triode
r
E1---resistance
Db1---diode
Rb1---resistance
The secondary winding 1 of N11---magnetic core inductance
D0---diode
R
T---resistance
C
DC---electric capacity
C
T---electric capacity
DB3---bidirectional diode
Rb2---resistance
Db2---diode
The secondary winding 2 of N21---magnetic core inductance
r
E2---resistance
AM---current transformer
L---external inductance
C---external electric capacity
Embodiment
Below in conjunction with accompanying drawing and embodiment the technical scheme of the utility model is further described.
As shown in Figure 1; Said external influence of plasma electrode of the utility model and external capacitance electrode fluorescent lamp; Be on the basis of traditional integrated electric fluorescent lamp circuit; Increase by two beads at the two ends of fluorescent lamp and make two small-power HF current transformer AM; Its secondary winding N2 is connected with the lead terminal of fluorescent lamp internal filaments electrode respectively, and the fluorescent tube alternating current is drawn from the centre cap ◎ of secondary winding N2, simultaneously the metal forming capacitance electrode C and the external inductance electrode L of the not closed loop of external two insulation of difference at the fluorescent lamp two ends.
As shown in Figure 2, in case the circuit fluorescent tube internal filaments of traditional integrated electric fluorescent lamp opens circuit, must cause circuit not work, be regarded as lamp tube service life and end, lamp tube service life is short partially.
As shown in Figure 3, the utility model is through drawing the centre cap ◎ of fluorescent tube alternating current from the current transformer AM secondary winding N2 that increases, and fluorescent lamp still can operate as normal when guaranteeing the filament electrode short circuit, improved the reliability of fluorescent lamp operation.
As shown in Figure 3, the utility model has increased the current component between the capacitance electrode through increasing the fluorescent tube T external capacitance electrode C in two ends in fluorescent tube, and realization is shared original lamp pipe filament electrode emission current, effectively the useful life of prolonging lamp tube T.The utility model is through the external inductance electrode L at fluorescent lamp T two ends; External inductance electrode L is connected in series with high frequency constant current inductance Lr; Can regard as in fact the part of the inductance L r of script in electric ballast or whole inductance value; Transfer to the two ends of fluorescent tube T in the electric ballast, disperseed originally to help prolonging the life-span of electric ballast at the inner thermal source of electric ballast.
The current transformer AM of the utility model through increasing; Bead is parallelly connected with heater lead around the former limit winding of last few number of turn cheaply through using for it; Lamp current is drawn from the centre cap of former limit winding, and the secondary winding of the more number of turn of this magnet ring and capacitor C p series resonance are in the starter frequency." HF current transformer " structure of this low-cost small size is easy to through changing different turn ratios, the fluorescent tube of adaptive different capacity and the filament of different resistance values, and effectively reduce the resistance loss that filament resistance brings, promote electric work efficient.
Simultaneously, in order to make full use of capacitor C
TEnergy storage, the end of the same name of magnetic core inductance N0 is connected with the c utmost point of triode VS2, and is connected to the negative pole of diode DS2.The different name end of magnetic core inductance N0 respectively with the negative pole short circuit of capacitor C s, diode D0.The negative pole short circuit of diode DS1 negative pole and diode D3 also is connected to the c utmost point of triode VS1, and the e utmost point of triode VS1 is through resistance r
E1After, with positive pole, the c utmost point of triode VS2, the negative pole of diode DS2, the magnetic core inductance N0 end short circuit of the same name of diode DS1.Can realize capacitor C
TEnergy storage through diode D0, flow to the different name end of magnetic core inductance N0, discharge through the c utmost point of triode VS2, realize positive feedback through magnetic core inductance N0 to magnetic core inductance N2, make capacitor C
TThe U that stores
CTElectric energy is fully used, and improves electric work efficient.
Claims (4)
1. an external influence of plasma electrode and external capacitance electrode fluorescent lamp; It is characterized in that; On the basis of existing traditional integrated electric fluorescent lamp circuit; Adopt two beads to make two small-power HF current transformer AM, its secondary winding N2 connects the outer lead terminal of fluorescent lamp internal filaments electrode respectively, and the fluorescent tube alternating current is drawn from the centre cap ◎ of secondary winding N2; The metal forming capacitance electrode C of the not closed loop of external two insulation of difference at the fluorescent lamp two ends, and external inductance electrode L simultaneously.
2. external influence of plasma electrode according to claim 1 and external capacitance electrode fluorescent lamp; It is characterized in that; The concrete connected mode of fluorescent lamp of said external influence of plasma electrode and external capacitance electrode is: the heater lead terminal 11 of fluorescent lamp T one end is connected with the binding post 1,2 of current transformer AM secondary winding N2 with 22; The binding post 3 of former limit winding N1 is connected with the lead-out wire 8 of external inductance electrode L, the centre cap ◎ of current transformer AM secondary winding N2, the binding post 3 of the former limit of current transformer AM winding N1; It is parallelly connected with capacitor C 1 and capacitor C 2 respectively with mid point, diode D1 and the diode D2 of C2 that the lead-out wire 7 of external inductance electrode L and external capacitance electrode C lead-out wire 6 are connected to capacitor C 1; Shunt capacitance Cp between the binding post 4 of the former limit winding N1 of the binding post 4 of the former limit of current transformer AM winding N1 and fluorescent tube T other end current transformer AM; The heater lead terminal 1 of the fluorescent lamp T other end is connected with the binding post 1,2 of another current transformer AM secondary winding N2 with 2; The binding post 3 of former limit winding N1 is connected with the lead-out wire 8 of external inductance electrode L, the centre cap ◎ of current transformer AM secondary winding N2, the binding post 3 of the former limit of current transformer AM winding N1, and the lead-out wire 7 of external inductance electrode L is connected with external capacitance electrode C lead-out wire 6, inductance L r.
3. external influence of plasma electrode according to claim 1 and external capacitance electrode fluorescent lamp; It is characterized in that; The end of the same name of magnetic core inductance N0 is connected with the c utmost point of triode VS2; And be connected to the negative pole of diode DS2, and the different name end of magnetic core inductance N0 is connected with the negative pole of capacitor C s, diode D0 respectively, and the negative pole short circuit of diode DS1 negative pole and diode D3 also is connected to the c utmost point of triode VS1; The e utmost point of triode VS1 is connected with positive pole, the c utmost point of triode VS2, the negative pole of diode DS2, the magnetic core inductance N0 end of the same name of diode DS1 behind resistance re1.
4. external influence of plasma electrode according to claim 1 and external capacitance electrode fluorescent lamp; It is characterized in that; The whole employing of the bead of said fluorescent lamp, induction electrode and capacitance electrode can absorb electromagnetic magnetic particle colloid and carry out embedding; External capacitance electrode adopts the metal forming of the not closed loop of insulation to make, and the coiling of external inductance electrodes use insulated conductor forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201841595U CN202210512U (en) | 2011-06-02 | 2011-06-02 | External plasma induction electrode and external capacitor electrode fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201841595U CN202210512U (en) | 2011-06-02 | 2011-06-02 | External plasma induction electrode and external capacitor electrode fluorescent lamp |
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| Publication Number | Publication Date |
|---|---|
| CN202210512U true CN202210512U (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201841595U Expired - Fee Related CN202210512U (en) | 2011-06-02 | 2011-06-02 | External plasma induction electrode and external capacitor electrode fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202210512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254783A (en) * | 2011-06-02 | 2011-11-23 | 南宁常萌电子科技有限公司 | Fluorescent lamp with external plasma inductive electrode and external capacitance electrodes |
-
2011
- 2011-06-02 CN CN2011201841595U patent/CN202210512U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254783A (en) * | 2011-06-02 | 2011-11-23 | 南宁常萌电子科技有限公司 | Fluorescent lamp with external plasma inductive electrode and external capacitance electrodes |
| CN102254783B (en) * | 2011-06-02 | 2013-08-07 | 南宁常萌电子科技有限公司 | Fluorescent lamp with external plasma inductive electrode and external capacitance electrodes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20150602 |
|
| EXPY | Termination of patent right or utility model |