CN202050583U - Long life electrodeless lamp ballast - Google Patents
Long life electrodeless lamp ballast Download PDFInfo
- Publication number
- CN202050583U CN202050583U CN2011201497437U CN201120149743U CN202050583U CN 202050583 U CN202050583 U CN 202050583U CN 2011201497437 U CN2011201497437 U CN 2011201497437U CN 201120149743 U CN201120149743 U CN 201120149743U CN 202050583 U CN202050583 U CN 202050583U
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- capacitor
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- inductance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model discloses a long life electrodeless lamp ballast, comprising a filter rectifying circuit, a power factor correction circuit, a direct current filter circuit, a trigger driving circuit, a power output circuit and an abnormity protection circuit. The direct current filter circuit includes a CBB capacitor C1, a CBB capacitor C2, and an inductance L1; the trigger driving circuit includes resistors R1 and R2, an inductance L2, capacitors C3 and C4, an excitation diode D1, a self excitation transformer T1 and a primary coil L3; and the power output circuit includes power tubes Q1 and Q2, a hollow resonant inductance L6, voltage-stabilizer tubes D2, D3, D4, and D5, capacitors C5 and C6, and the secondary coils L4 and L5 of the self excitation transformer T1. The utility model is advantageous in that the weight is light, the intensity is high, the heat radiation effect is good, the noise is small, the electromagnetic interference is little, the resonant frequency is more accurate, the power change is small, and the usage life is long. The problem will not happen that the electrodeless lamp cannot work normally caused by the inductance variation of the resonant inductance.
Description
Technical field
The utility model relates to a kind of ballast, particularly a kind of electroless lamp ballasting device.
Background technology
Electrodeless lamp is the new type light source that a kind of electromagnetic induction and gas discharge combine.Light efficiency height, long characteristics of life-span are arranged.Its ballast circuit generally is made of filter rectifier, circuit of power factor correction, DC filtering circuit, concussion source circuit, power output circuit and abnormity protection circuit.Used resonant inductance generally adopts the coiling of nickel zinc magnet ring in the power output circuit at present, and coiling is difficult and cost is higher, behind the magnetic material temperature influence, inductance value changes greatly, and the off-resonance frequency causes the electrodeless lamp power shakiness, even can't start, have a strong impact on the ballast performance.The present ballast fails that causes because of the ANOMALOUS VARIATIONS of magnetic core inductance inductance value, account for that all ballasts break down about 30%.
During ballast work; after power frequency AC inserts ballast; behind filter rectifier and circuit of power factor correction; be converted into direct current; after needing again DC filtering circuit filtering via the filter capacitor composition; just can enter the inverter circuit of back, steady to guarantee waveform, also can play a protective role to power tube.Filter capacitor in the existing electroless lamp ballasting device in the secondary filtering circuit generally adopts electrochemical capacitor, because of ballast is operated in the big ripple of high frequency, under the high environment of temperature, electrolyte in the electrochemical capacitor constantly volatilizees, capacity reduces, the electrochemical capacitor decreased performance, the filter effect variation finally causes power tube to burn.
Above problem all can have a strong impact on the useful life of ballast.
The utility model content
The purpose of this utility model solves the above-mentioned problems in the prior art exactly, a kind of long-life electroless lamp ballasting device is provided, the resonant inductance that this ballast uses can guarantee that under the temperature of ballast operate as normal the inductance value of coil is constant, make resonance frequency more accurate, the filter capacitor capacity that uses in the DC filtering circuit can not raise with temperature, service time long diminishing, long service life, thus useful life of ballast significantly prolonged.
For achieving the above object, technical solution of the present utility model is: a kind of long-life electroless lamp ballasting device, and it comprises filter rectifier, circuit of power factor correction, DC filtering circuit, triggers drive circuit, power output circuit and abnormity protection circuit; The DC filtering circuit is made of CBB capacitor C 1, CBB capacitor C 2, inductance L 1; The primary coil L3 that triggers drive circuit and be by resistance R 1, R2, inductance L 2, capacitor C 3, C4, excitation diode D1, self-excitation transformer T1 constitutes; Power output circuit is that secondary coil L4, the L5 by power tube Q1, Q2, hollow resonant inductance L6, voltage-stabiliser tube D2, D3, D4, D5, capacitor C 5, C6, self-excitation transformer T1 constitutes; AC power by filter rectifier and circuit of power factor correction after output dc voltage, capacitor C 1 and C2 are connected between ground wire and the direct voltage in the DC filtering circuit, and form the ∏ type with inductance L 1 and be connected; Trigger the primary coil L3 of the excitation diode D1 one end connection self-excitation transformer T1 in the drive circuit, the other end is connected with the cathode output end of DC filtering circuit by resistance R 1; Capacitor C 3 is connected between resistance R 1 and the ground wire; Inductance L 2 be connected between resistance R 1 and the ground wire after resistance R 2 is connected; The two ends of coil L4, L5 among the self-excitation transformer T1 are connected between the grid and source electrode of power tube Q1, Q2; Voltage-stabiliser tube D2 and D3, D4 and D5 are connected between the grid and source electrode of power tube Q1, Q2; The source electrode of the drain electrode of power tube Q1 and power tube Q2 is connected direct voltage and ground wire respectively; Hollow resonant inductance L6 is with after capacitor C 5 is connected, and an end is connected the source electrode of power tube Q1, and the other end connects electrodeless lamp; Capacitor C 6 one ends are connected between hollow resonant inductance L6 and the capacitor C 5, other end ground connection; Abnormity protection circuit one end is connected on the connecting line between hollow resonant inductance L6 and the capacitor C 5, and the other end is connected on the primary coil L3 of self-excitation transformer T1 by capacitor C 4.
The hollow resonant inductance L6 of the utility model power output circuit adopts the hollow skeleton coiling of duroplasts, replace magnetic core coil, hollow skeleton is not yielding under the temperature of ballast operate as normal, the inductance value that can guarantee coil is constant, the temperature variant problem of magnetic core coil inductance is solved, make resonance frequency more accurate, variable power is little, can not produce because of the resonant inductance inductance value change make electrodeless lamp can't operate as normal etc. problem.Hollow shaped framework coil has the easier coiling of the coil of magnetic core, and the error in the winding process strengthens than latter's controllability.The plastic hollow skeleton is in light weight, the intensity height, good heat dissipation effect, can not produce magnetic core coil " drone " noise, the electromagnetic interference of generation is also less.The combination property of ballast is improved.Capacitor C 1 in the DC filtering circuit and C2 adopt polypropylene CBB electric capacity to replace electrochemical capacitor, during ballast work, the more anti-high frequency ripple of polypropylene CBB electric capacity is impacted, and capacity can not raise to grow service time and diminish with temperature, and polypropylene CBB electric capacity is long more a lot of than electrochemical capacitor useful life.Thereby significantly prolong ballast life.In a word, the utlity model has in light weight, the intensity height, good heat dissipation effect, noise is little, electromagnetic interference is little, resonance frequency is more accurate, variable power is little, can not produce because of the resonant inductance inductance value change make electrodeless lamp can't operate as normal etc. problem; And long service life.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
As shown in Figure 1, present embodiment comprises filter rectifier A1, circuit of power factor correction A2, DC filtering circuit, triggers drive circuit, power output circuit and abnormity protection circuit A3.The DC filtering circuit is made of CBB capacitor C 1, CBB capacitor C 2, inductance L 1; The primary coil L3 that triggers drive circuit and be by resistance R 1, R2, inductance L 2, capacitor C 3, C4, excitation diode D1, self-excitation transformer T1 constitutes; Power output circuit is that secondary coil L4, the L5 by power tube Q1, Q2, hollow resonant inductance L6, voltage-stabiliser tube D2, D3, D4, D5, capacitor C 5, C6, self-excitation transformer T1 constitutes.AC power by filter rectifier and circuit of power factor correction after output dc voltage, capacitor C 1 and C2 are connected between ground wire and the direct voltage in the DC filtering circuit, and form the ∏ type with inductance L 1 and be connected; Trigger the primary coil L3 of the excitation diode D1 one end connection self-excitation transformer T1 in the drive circuit, the other end is connected with the cathode output end of DC filtering circuit by resistance R 1; Capacitor C 3 is connected between resistance R 1 and the ground wire; Inductance L 2 be connected between resistance R 1 and the ground wire after resistance R 2 is connected; The two ends of coil L4, L5 among the self-excitation transformer T1 are connected between the grid and source electrode of power tube Q1, Q2; Voltage-stabiliser tube D2 and D3, D4 and D5 are connected between the grid and source electrode of power tube Q1, Q2; The source electrode of the drain electrode of power tube Q1 and power tube Q2 is connected direct voltage and ground wire respectively; Hollow resonant inductance L6 is with after capacitor C 5 is connected, and an end is connected the source electrode of power tube Q1, and the other end connects electrodeless lamp; Capacitor C 6 one ends are connected between hollow resonant inductance L6 and the capacitor C 5, other end ground connection; Abnormity protection circuit one end is connected on the connecting line between hollow resonant inductance L6 and the capacitor C 5, and the other end is connected on the primary coil L3 of self-excitation transformer T1 by capacitor C 4.
Claims (1)
1. long-life electroless lamp ballasting device, it comprises filter rectifier, circuit of power factor correction, DC filtering circuit, triggers drive circuit, power output circuit and abnormity protection circuit; It is characterized in that: the DC filtering circuit is made of CBB capacitor C 1, CBB capacitor C 2, inductance L 1; The primary coil L3 that triggers drive circuit and be by resistance R 1, R2, inductance L 2, capacitor C 3, C4, excitation diode D1, self-excitation transformer T1 constitutes; Power output circuit is that secondary coil L4, the L5 by power tube Q1, Q2, hollow resonant inductance L6, voltage-stabiliser tube D2, D3, D4, D5, capacitor C 5, C6, self-excitation transformer T1 constitutes; AC power by filter rectifier and circuit of power factor correction after output dc voltage, capacitor C 1 and C2 are connected between ground wire and the direct voltage in the DC filtering circuit, and form the ∏ type with inductance L 1 and be connected; Trigger the primary coil L3 of the excitation diode D1 one end connection self-excitation transformer T1 in the drive circuit, the other end is connected with the cathode output end of DC filtering circuit by resistance R 1; Capacitor C 3 is connected between resistance R 1 and the ground wire; Inductance L 2 be connected between resistance R 1 and the ground wire after resistance R 2 is connected; The two ends of coil L4, L5 among the self-excitation transformer T1 are connected between the grid and source electrode of power tube Q1, Q2; Voltage-stabiliser tube D2 and D3, D4 and D5 are connected between the grid and source electrode of power tube Q1, Q2; The source electrode of the drain electrode of power tube Q1 and power tube Q2 is connected direct voltage and ground wire respectively; Hollow resonant inductance L6 is with after capacitor C 5 is connected, and an end is connected the source electrode of power tube Q1, and the other end connects electrodeless lamp; Capacitor C 6 one ends are connected between hollow resonant inductance L6 and the capacitor C 5, other end ground connection; Abnormity protection circuit one end is connected on the connecting line between hollow resonant inductance L6 and the capacitor C 5, and the other end is connected on the primary coil L3 of self-excitation transformer T1 by capacitor C 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201497437U CN202050583U (en) | 2011-05-12 | 2011-05-12 | Long life electrodeless lamp ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201497437U CN202050583U (en) | 2011-05-12 | 2011-05-12 | Long life electrodeless lamp ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050583U true CN202050583U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201497437U Expired - Fee Related CN202050583U (en) | 2011-05-12 | 2011-05-12 | Long life electrodeless lamp ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202050583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801336A (en) * | 2012-08-28 | 2012-11-28 | 泉州市永裕机械科技有限公司 | Novel inversion type three-phase corona machine |
-
2011
- 2011-05-12 CN CN2011201497437U patent/CN202050583U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801336A (en) * | 2012-08-28 | 2012-11-28 | 泉州市永裕机械科技有限公司 | Novel inversion type three-phase corona machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BAODING AOPU ENERGY CONSERVATION TECHNOLOGY CO., L Free format text: FORMER NAME: BAODING AOPU ENERGY CONSERVATION TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 071051, General Factory Building No. 3, torch garden, No. 677 Fairview street, Hebei, Baoding 1-103 Patentee after: Baoding Aopu Energy Conservation Technology Company Limited Address before: The beautiful street 071051 Hebei city of Baoding province No. 677 Torch Industrial Park No. 3 Building 1 unit 3 floor West Patentee before: Baoding Aopu Energy Saving Technology Exploiture Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20150512 |
|
| EXPY | Termination of patent right or utility model |