CN202841669U - Novel electrodeless lamp ballast circuit - Google Patents
Novel electrodeless lamp ballast circuit Download PDFInfo
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- CN202841669U CN202841669U CN 201220555582 CN201220555582U CN202841669U CN 202841669 U CN202841669 U CN 202841669U CN 201220555582 CN201220555582 CN 201220555582 CN 201220555582 U CN201220555582 U CN 201220555582U CN 202841669 U CN202841669 U CN 202841669U
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Abstract
The utility model discloses a novel electrodeless lamp ballast circuit. An external alternating-current power supply is converted into a direct-current power supply via a rectifying filter circuit, direct current is connected with a driving control circuit, a lamp service life abnormal protection circuit and a power output circuit via a power-factor correction circuit so as to power on an electrodeless lamp, and an integrated chip working power circuit supplies stable working power supply to integrated chips of the power-factor correction circuit and the driving control circuit so as to guarantee an electrodeless lamp ballast to run stably. In addition, the novel electrodeless lamp ballast circuit further has the functions of overcurrent and overvoltage protecting, voltage stabilizing, and lamp service life abnormal protecting.
Description
Technical field
The utility model relates to lighting ballast technical field, espespecially a kind of Novel electrodeless lamp ballast circuit.
Background technology
Non-polarized lamp belong to the 4th generation illuminating product, electrodeless without filament, be the abbreviation of electrode-less gas discharge fluorescent lamp.Compare with conventional light source such as electricity-saving lamp, Metal halogen lamp, high-pressure sodium lamps, have significant superiority.Electromagnetic induction lamp is the new high-tech product that the up-to-date scientific and technological achievements in field such as integrated application optics, power electronics, plasma, magnetic material are developed out, be a kind of high light efficiency, long-life, high-color rendering, represent the new type light source of lighting technology future thrust.It is that electromagnetic field by radio-frequency generator is coupled in the lamp in the mode of induction, makes the gas avalanche ionization in the bulb, forms plasma.The plasma-excited atom gives off ultraviolet ray when returning ground state, the fluorescent material of bulb inner wall is subject to ultraviolet ray excited generation visible light ultraviolet ray.Overcome fluorescent tube blackout, electrode sputter material that traditional energy-saving lamp causes owing to the electrode sputter and exhausted the problems such as environmental pollution that life-span and electrode sputter material cause that affect.
The distinctive structure of Non-polarized lamp and performance, drive circuit is had higher requirement, existing drive circuit for electrodeless lamp, adopt field effect transistor half-bridge driven mode, depend on to a great extent the job stability of integrated IC its useful life, but its working power adopts simple and easy power mode, does not often reach performance requirement.
Summary of the invention
A kind of Novel electrodeless lamp ballast circuit of the utility model; it is characterized in that for above-mentioned deficiency, a kind of working stability is provided, has the electrodeless ballast circuit of independently stablizing integrated chip operation power supply and over-current over-voltage protection, voltage stabilizing and lamp life-span abnormity protection function.
To achieve these goals; technical solution of the present utility model is: a kind of Novel electrodeless lamp ballast circuit is by current rectifying and wave filtering circuit; circuit of power factor correction; Drive and Control Circuit; the integrated chip working power circuit; lamp life-span abnormity protection circuit and power output circuit form; current rectifying and wave filtering circuit; circuit of power factor correction and power output circuit are connected successively; current rectifying and wave filtering circuit is connected with external ac power source; power output circuit links to each other with Non-polarized lamp by power coupler; Drive and Control Circuit links to each other with power output circuit with current rectifying and wave filtering circuit; lamp life-span abnormity protection circuit links to each other with power output circuit with Drive and Control Circuit, and the integrated chip working power circuit links to each other with Drive and Control Circuit with circuit of power factor correction.
Described current rectifying and wave filtering circuit is made of piezo-resistance RV, inductance L 1～L3, capacitor C 1～C4 and C8 and rectifier bridge BRG1.
Described circuit of power factor correction is made of integrated chip IC1, Industrial Frequency Transformer T1, resistance R 1～R9, capacitor C 5～C7 and C9～C12, field effect transistor Q1 and diode D1 and D2, and has voltage stabilizing function.
Described Drive and Control Circuit is made of integrated IC2, resistance R 10～R12, capacitor C 14 and C15 and Industrial Frequency Transformer T2, has the over-current over-voltage protection function.
Described integrated chip working power circuit is made of rectifier bridge BRG2 and BRG3, capacitor C 13 and voltage-stabiliser tube LM.
Described lamp life-span abnormity protection circuit is made of integrated chip IC2, resistance R 13, R16, R17 and capacitor C 16.
Described power output circuit is made of Industrial Frequency Transformer T2, resistance R 14, R15 and R18, capacitor C 17 and C18, field effect transistor Q2 and Q3, inductance L 4 and diode D5 and D6.
The beneficial effects of the utility model are: external ac power source is converted into DC power supply through current rectifying and wave filtering circuit; direct current connects Drive and Control Circuit again behind circuit of power factor correction; lamp life-span abnormity protection circuit and power output circuit; Non-polarized lamp is done work; abnormity protection circuit obtains output voltage signal from power output circuit; be sent to Drive and Control Circuit after the processing; Drive and Control Circuit is controlled power output circuit according to the voltage signal of lamp life-span abnormity protection circuit output; integrated IC working power circuit provides stable working power to the integrated IC of circuit of power factor correction and Drive and Control Circuit, ensures the stable operation of electronic ballast for electrodeless lamp.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Accompanying drawing 1 is circuit block diagram of the present utility model.
Accompanying drawing 2 is circuit theory diagrams of the present utility model.
Among the figure: 1, current rectifying and wave filtering circuit, 2, circuit of power factor correction, 3, Drive and Control Circuit, 4, the integrated chip working power circuit, 5, lamp life-span abnormity protection circuit, 6, power output circuit.
Embodiment
Shown in accompanying drawing, a kind of Novel electrodeless lamp ballast circuit of the utility model is comprised of current rectifying and wave filtering circuit 1, circuit of power factor correction 2, Drive and Control Circuit 3, integrated chip working power circuit 4, lamp life-span abnormity protection circuit 5 and power output circuit 6.Current rectifying and wave filtering circuit 1 is by piezo-resistance RV; inductance L 1～L3; capacitor C 1～C4 and C8 and rectifier bridge BRG1 consist of; current rectifying and wave filtering circuit 1 is connected with external ac power source; and at the middle cartridge fuse FUSE that is connected in series of the connection of live wire L; circuit of power factor correction 2 is by integrated chip IC1; Industrial Frequency Transformer T1; resistance R 1～R9; capacitor C 5～C7 and C9～C12; field effect transistor Q1 and diode D1 and D2 consist of; Drive and Control Circuit 3 is by integrated chip IC2; resistance R 10～R12; capacitor C 14 and C15 and Industrial Frequency Transformer T2 consist of; integrated chip working power circuit 4 is by rectifier bridge BRG2 and BRG3; capacitor C 13 and voltage-stabiliser tube LM consist of; lamp life-span abnormity protection circuit 5 is by integrated IC2; resistance R 13; R16; R17 and capacitor C 16 consist of, and power output circuit 6 is by Industrial Frequency Transformer T2; resistance R 14; R15 and R18; capacitor C 17 and C18; field effect transistor Q2 and Q3; inductance L 4 and diode D5 and D6 consist of.
The interchange input two ends of rectifier bridge BRG2 link to each other with the secondary coil two ends of Industrial Frequency Transformer T1 respectively; the pin OUT1 of integrated chip IC2 links to each other with the primary coil two ends of Industrial Frequency Transformer T2 respectively with OUT2; the primary coil two ends link to each other with the input two ends that exchange of rectifier bridge BRG3 respectively; the positive terminal of rectifier bridge BRG2 and BRG3 all is connected to the Vin end of voltage-stabiliser tube LM; the pin Gnd termination power ground of its negative pole end and voltage-stabiliser tube LM; the pin Vout end of voltage-stabiliser tube LM links to each other with the pin 3 of integrated chip IC1 and the pin Vcc end of integrated IC2 with D4 by diode D3 respectively; capacitor C 6 is with in parallel with capacitor C 7 again after resistance R 4 is connected; its two ends are connected to respectively pin one and the pin two of integrated chip IC1; the pin one of integrated chip IC1 links to each other with the contact of resistance R 8 and R9; another termination power ground of resistance R 9; the pin 4 of integrated chip IC1 links to each other with the intersection point of capacitor C 12 with resistance R 6; the pin 5 of integrated chip IC1 links to each other with the sample coil of Industrial Frequency Transformer T1 by resistance R 3; another termination power ground of sample coil; the pin 6 of integrated chip IC1 connects power supply ground; the output pin 7 of integrated chip IC1 is connected with the grid of field effect transistor Q1 by resistance R 5; the pin 8 of integrated chip IC1 connects power supply ground by capacitor C 10 and C11; and be connected with pin 3 by resistance R 1; the pin Vcc of integrated chip IC2 end respectively with R10; R13 links to each other with C14; its Cpre; Rpre and RT end pass through respectively C15; R11 and R12 connect power supply ground; its over-current detection input Pro end is connected with the drain electrode of field effect transistor Q3; and connect power supply ground by resistance R 18; its abnormal protection input LD end links to each other with the intersection point of resistance R 13 and capacitor C 16 and the intersection point of resistance R 16 and R17 respectively; the pin AO end of integrated chip IC2 is vacant; all the other pins connect power supply ground; secondary two coils of Industrial Frequency Transformer T2 link to each other with the grid of field effect transistor Q2 and Q3 with R15 by resistance R 14 respectively; the other end of secondary two coils links to each other with the drain electrode of field effect transistor Q2 and Q3 respectively; the drain electrode of field effect transistor Q2 be connected to inductance L 4 one ends after the source electrode of Q3 links to each other; the other end of inductance L 4 links to each other with C18 with capacitor C 17 respectively; capacitor C 17 is connected with coupling device, and is enclosed within on the fluorescent tube Lamp.
External ac power source is converted into DC power supply through current rectifying and wave filtering circuit 1; direct current accesses Drive and Control Circuit 3 again behind circuit of power factor correction 2; lamp life-span abnormity protection circuit 5 and power output circuit 6; electrodeless lamp tube Lamp is done work; lamp life-span abnormity protection circuit 5 obtains output voltage signal from power output circuit 6; detect the input of input Pro end through overcurrent; be sent to Drive and Control Circuit 3 after the processing; Drive and Control Circuit 3 is controlled output OUT1 end and the OUT2 end of power output circuit according to the voltage signal of lamp life-span abnormity protection circuit 5 outputs; integrated chip IC1 and the IC2 of 4 pairs of circuit of power factor correction 2 of integrated chip working power circuit and Drive and Control Circuit 3 provide stable working power, ensure the stable operation of electronic ballast for electrodeless lamp.
The above; execution mode only is that preferred implementation of the present utility model is described; be not that scope of the present utility model is limited; under the prerequisite of the spirit that does not break away from the utility model technology; various distortion and improvement that this area engineers and technicians make the technical solution of the utility model all should fall in the definite protection range of claims of the present utility model.
Claims (2)
1. Novel electrodeless lamp ballast circuit; it is characterized in that: described electrodeless ballast circuit is by current rectifying and wave filtering circuit; circuit of power factor correction; Drive and Control Circuit; the integrated chip working power circuit; lamp life-span abnormity protection circuit and power output circuit form; current rectifying and wave filtering circuit; circuit of power factor correction and power output circuit are connected successively; current rectifying and wave filtering circuit is connected with external ac power source; power output circuit links to each other with Non-polarized lamp by power coupler; Drive and Control Circuit links to each other with power output circuit with current rectifying and wave filtering circuit; lamp life-span abnormity protection circuit links to each other with power output circuit with Drive and Control Circuit, and the integrated chip working power circuit links to each other with Drive and Control Circuit with circuit of power factor correction.
2. a kind of Novel electrodeless lamp ballast circuit according to claim 1; it is characterized in that: described circuit of power factor correction is by integrated chip IC1; Industrial Frequency Transformer T1; resistance R 1～R9; capacitor C 5～C7 and C9～C12; field effect transistor Q1 and diode D1 and D2 consist of; and has a voltage stabilizing function; described Drive and Control Circuit is by integrated chip IC2; resistance R 10～R12; capacitor C 14 and C15 and Industrial Frequency Transformer T2 consist of; has the over-current over-voltage protection function; described integrated chip working power circuit is by rectifier bridge BRG2 and BRG3; capacitor C 13 and voltage-stabiliser tube LM consist of; described lamp life-span abnormity protection circuit is by integrated chip IC2; resistance R 13; R16; R17 and capacitor C 16 consist of, and described power output circuit is by Industrial Frequency Transformer T2; resistance R 14; R15 and R18; capacitor C 17 and C18; field effect transistor Q2 and Q3; inductance L 4 and diode D5 and D6 consist of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555582 CN202841669U (en) | 2012-10-29 | 2012-10-29 | Novel electrodeless lamp ballast circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555582 CN202841669U (en) | 2012-10-29 | 2012-10-29 | Novel electrodeless lamp ballast circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841669U true CN202841669U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220555582 Expired - Fee Related CN202841669U (en) | 2012-10-29 | 2012-10-29 | Novel electrodeless lamp ballast circuit |
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| CN (1) | CN202841669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557868A (en) * | 2019-09-19 | 2019-12-10 | 横店集团得邦照明股份有限公司 | lamp tube compatible with high frequency and power frequency and implementation method thereof |
| CN111701048A (en) * | 2020-07-21 | 2020-09-25 | 威海东兴电子有限公司 | Ultraviolet sterilization lamp and low-cost multistage ultraviolet sterilization lamp real-time monitoring device |
-
2012
- 2012-10-29 CN CN 201220555582 patent/CN202841669U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110557868A (en) * | 2019-09-19 | 2019-12-10 | 横店集团得邦照明股份有限公司 | lamp tube compatible with high frequency and power frequency and implementation method thereof |
| CN110557868B (en) * | 2019-09-19 | 2024-04-05 | 横店集团得邦照明股份有限公司 | Lamp tube compatible with high frequency and power frequency and implementation method thereof |
| CN111701048A (en) * | 2020-07-21 | 2020-09-25 | 威海东兴电子有限公司 | Ultraviolet sterilization lamp and low-cost multistage ultraviolet sterilization lamp real-time monitoring device |
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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: 20130327 Termination date: 20131029 |