CN102762018A - No-electrolytic capacitor high-frequency electrodeless lamp circuit - Google Patents
No-electrolytic capacitor high-frequency electrodeless lamp circuit Download PDFInfo
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- CN102762018A CN102762018A CN201110107293XA CN201110107293A CN102762018A CN 102762018 A CN102762018 A CN 102762018A CN 201110107293X A CN201110107293X A CN 201110107293XA CN 201110107293 A CN201110107293 A CN 201110107293A CN 102762018 A CN102762018 A CN 102762018A
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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
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- 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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Abstract
The invention relates to a high-frequency electrodeless lamp circuit, in particular to a no-electrolytic capacitor high-frequency electrodeless lamp circuit. The no-electrolytic capacitor high-frequency electrodeless lamp circuit is characterized in that a power input end is connected with a no-electrolytic capacitor filtering and rectifying circuit; the no-electrolytic capacitor filtering and rectifying circuit is connected with a no-electrolytic capacitor power factor correcting circuit; the no-electrolytic capacitor power factor correcting circuit is connected with a lighting inverse circuit; the lighting inverse circuit is connected with a coupling circuit; the coupling circuit is connected with a high-frequency electrodeless lamp bulb housing; the coupling circuit is connected with a no-electrolytic capacitor protecting circuit; and the no-electrolytic capacitor protecting circuit is connected with the lighting inverse circuit. Due to the adoption of the technical scheme, the no-electrolytic capacitor high-frequency electrodeless lamp circuit has the advantages and beneficial effects that the no-electrolytic capacitor filtering and rectifying circuit, the no-electrolytic capacitor power factor correcting circuit and the no-electrolytic capacitor protecting circuit are adopted, and a conversional electrolytic capacitor influencing the service life of the circuit is not used, so that the service life of a high-frequency electrodeless lamp can be prolonged.
Description
Technical field
The present invention relates to a kind of high-frequency pole-free circuit for lamp, particularly a kind of no electrolytic capacitor high-frequency pole-free circuit for lamp.
Background technology
Existing HF lamp without electrodes mainly is made up of radio-frequency generator, power coupler and bulb three parts, is a kind of electromagnetic induction coupled mode electrodless discharge fluorescent lamp.The high-frequency energy that the HF lamp without electrodes radio-frequency generator produces is coupled in the bulb through coupler, makes the interior gas ionization of bulb and excites, and the mercury of excitation state gives off the ultraviolet light of 254nm when getting back to ground state, encourages the fluorescent material of inner wall to produce visible light again.
Its weak point is: generally adopted electrochemical capacitor to carry out filtering to improve ripple coefficient in the AC-to DC translation circuit in the HF lamp without electrodes radio-frequency generator, circuit of power factor correction (PFC), the protective circuit at present.And electrodeless lamp is under high-temperature condition, and particularly the life-span of " electrochemical capacitor " has had a strong impact on useful life of HF lamp without electrodes radio-frequency generator to the components and parts in the circuit.High performance in the market electrochemical capacitor only has 3000 hours (like the NCC of Japan, ruby etc.) life-span; The life-span of special processing can reach 10000 hours, and this makes HF lamp without electrodes differ greatly with theoretical 60,000 hours life-spans actual life.
Summary of the invention
Technical problem to be solved by this invention is: a kind of no electrolytic capacitor high-frequency pole-free circuit for lamp is provided, can makes HF lamp without electrodes longer than the HF lamp without electrodes that electrochemical capacitor is arranged actual life with this circuit.
The technical solution adopted for the present invention to solve the technical problems is: a kind of no electrolytic capacitor high-frequency pole-free circuit for lamp; Form by power input, no electrolytic capacitor power filter rectification circuit, no electrolytic capacitor circuit of power factor correction, the inverter circuit of lighting a lamp, no electrolytic capacitor protective circuit, coupling circuit and HF lamp without electrodes cell-shell; It is characterized in that: power input links to each other with the no electrolytic capacitor filter rectifier; The no electrolytic capacitor filter rectifier links to each other with the no electrolytic capacitor circuit of power factor correction; The no electrolytic capacitor circuit of power factor correction links to each other with the inverter circuit of lighting a lamp, and the inverter circuit of lighting a lamp links to each other with coupling circuit, and coupling circuit links to each other with the HF lamp without electrodes cell-shell; Coupling circuit links to each other with the no electrolytic capacitor protective circuit, and the no electrolytic capacitor protective circuit links to each other with the inverter circuit of lighting a lamp.
Owing to adopt technique scheme; Advantage and good effect that the present invention had are: owing to adopted no electrolytic capacitor power filter rectification circuit, no electrolytic capacitor circuit of power factor correction, no electrolytic capacitor protective circuit; Do not use the electrochemical capacitor that influences circuit lifetime, can improve the useful life of HF lamp without electrodes.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present invention.
Fig. 2 is 2 circuit theory diagrams among Fig. 1.
Fig. 3 is 3 circuit theory diagrams among Fig. 1.
Fig. 4 is 7 circuit theory diagrams among Fig. 1.
1. power inputs among the figure, 2. no electrolytic capacitor power filter rectification circuit, 3. no electrolytic capacitor circuit of power factor correction, the inverter circuit of 4. lighting a lamp, 5. coupling circuit, 6. HF lamp without electrodes cell-shell, 7. no electrolytic capacitor protective circuit.
Embodiment
In Fig. 1; Form by power input, no electrolytic capacitor power filter rectification circuit, no electrolytic capacitor circuit of power factor correction, the inverter circuit of lighting a lamp, no electrolytic capacitor protective circuit, coupling circuit and HF lamp without electrodes cell-shell; It is characterized in that: power input (1) links to each other with no electrolytic capacitor filter rectifier (2); No electrolytic capacitor filter rectifier (2) links to each other with no electrolytic capacitor circuit of power factor correction (3); No electrolytic capacitor circuit of power factor correction (3) links to each other with the inverter circuit of lighting a lamp (4), and the inverter circuit of lighting a lamp (4) links to each other with coupling circuit (5), and coupling circuit (5) links to each other with HF lamp without electrodes cell-shell (6); Coupling circuit (5) links to each other with no electrolytic capacitor protective circuit (7), and no electrolytic capacitor protective circuit (7) links to each other with the inverter circuit of lighting a lamp (4).
In Fig. 2; Described no electrolytic capacitor power filter rectification circuit (2) is made up of fuse F1, bridge rectifier D 1, common mode inductance T1, electric capacity, inductance, piezo-resistance; It is characterized in that: capacitor C 1 and piezo-resistance R1 parallel connection; Piezo-resistance R1 links to each other with common mode inductance T1 input through fuse F1; Link to each other with bridge rectifier D 1 input again after the output of common mode inductance T1 and capacitor C 2 parallel connections, bridge rectifier D 1 output and capacitor C 3, piezo-resistance R2 parallel connection, the end of piezo-resistance R2 through parallel resistor R3, inductance L 2 after capacitor C 5 ground connection; The other end of piezo-resistance R2 connects the positive pole of power supply through inductance L 1, and inductance L 1 connects the negative pole of power supply through capacitor C 4.
In Fig. 3; Described no electrolytic capacitor circuit of power factor correction (3) is made up of CRM-PFC controller U1, FET Q1, transformer T2, diode, resistance, electric capacity and inductance; It is characterized in that: the negative pole of a termination power of inductance L 4, the other end of inductance L 4 links to each other with capacitor C 20, and capacitor C 20 connects the negative pole of power supply through diode D5; Capacitor C 20 links to each other with capacitor C 19 through diode D4 with the tie point of diode D5; Diode D4 links to each other with diode D3 through inductance L 3 with the tie point of capacitor C 19, the negative pole of the termination power after capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, capacitor C 13, the C14 parallel connection, and the other end links to each other with 8 pin of CRM-PFC controller U1; Inductance L 3 links to each other with 8 pin of CRM-PFC controller U1; 5 pin of CRM-PFC controller U1 connect the negative pole of power supply through primary coil of resistance R 13, transformer T2, and the tie point of the drain electrode of FET Q1 and transformer T2 secondary coil links to each other the negative pole of the termination power after capacitor C 15, C16, C17, the C18 parallel connection with electric light inverter circuit (4) through diode D2; The other end links to each other with diode D2, and other circuit original paper connects according to the annexation among Fig. 3.The product that CRM-PFC controller U1 adopts U.S. ON company to produce, model is MC33262.
In Fig. 4; Described no electrolytic capacitor protective circuit (7) is made up of diode D5, controllable silicon SCR 1, voltage stabilizing didoe D6, diode, resistance and electric capacity; It is characterized in that: an end of capacitor C 22 links to each other with coupling circuit (5); The other end of capacitor C 22 connects the control end of controllable silicon SCR 1 through diode D7, resistance R 18, voltage stabilizing didoe D6; Capacitor C 22 connects the negative pole of power supply through diode D8, and the tie point of resistance R 18 and voltage stabilizing didoe D6 connects the negative pole of power supply, connecting resistance R16 between the anode of controllable silicon SCR 1 and the negative electrode respectively through capacitor C 21, resistance R 17; The negative electrode of controllable silicon SCR 1 connects the negative pole of power supply, and the anode of controllable silicon SCR 1 links to each other with the inverter circuit of lighting a lamp (4) through diode D5.
Electric capacity in the circuit uses high pressure electric capacity of the dacron and patch capacitor, and inverter circuit of lighting a lamp (4) and coupling circuit (5) are technique known.
Claims (5)
1. no electrolytic capacitor high-frequency pole-free circuit for lamp; Form by power input, no electrolytic capacitor power filter rectification circuit, no electrolytic capacitor circuit of power factor correction, the inverter circuit of lighting a lamp, no electrolytic capacitor protective circuit, coupling circuit and HF lamp without electrodes cell-shell; It is characterized in that: power input (1) links to each other with no electrolytic capacitor filter rectifier (2); No electrolytic capacitor filter rectifier (2) links to each other with no electrolytic capacitor circuit of power factor correction (3); No electrolytic capacitor circuit of power factor correction (3) links to each other with the inverter circuit of lighting a lamp (4), and the inverter circuit of lighting a lamp (4) links to each other with coupling circuit (5), and coupling circuit (5) links to each other with HF lamp without electrodes cell-shell (6); Coupling circuit (5) links to each other with no electrolytic capacitor protective circuit (7), and no electrolytic capacitor protective circuit (7) links to each other with the inverter circuit of lighting a lamp (4).
2. a kind of no electrolytic capacitor high-frequency pole-free circuit for lamp according to claim 1; Described no electrolytic capacitor power filter rectification circuit (2) is made up of fuse F1, bridge rectifier D 1, common mode inductance T1, electric capacity, inductance, piezo-resistance; It is characterized in that: capacitor C 1 and piezo-resistance R1 parallel connection; Piezo-resistance R1 links to each other with common mode inductance T1 input through fuse F1; Link to each other with bridge rectifier D 1 input again after the output of common mode inductance T1 and capacitor C 2 parallel connections, bridge rectifier D 1 output and capacitor C 3, piezo-resistance R2 parallel connection, the end of piezo-resistance R2 through parallel resistor R3, inductance L 2 after capacitor C 5 ground connection; The other end of piezo-resistance R2 connects the positive pole of power supply through inductance L 1, and inductance L 1 connects the negative pole of power supply through capacitor C 4.
3. a kind of no electrolytic capacitor high-frequency pole-free circuit for lamp according to claim 1; Described no electrolytic capacitor circuit of power factor correction (3) is made up of CRM-PFC controller U1, FET Q1, transformer T2, diode, resistance, electric capacity and inductance; It is characterized in that: the negative pole of a termination power of inductance L 4; The other end of inductance L 4 links to each other with capacitor C 20, and capacitor C 20 connects the negative pole of power supply through diode D5, and capacitor C 20 links to each other with capacitor C 19 through diode D4 with the tie point of diode D5; Diode D4 links to each other with diode D3 through inductance L 3 with the tie point of capacitor C 19; The negative pole of the termination power after capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, capacitor C 13, the C14 parallel connection, the other end links to each other with 8 pin of CRM-PFC controller U1, and inductance L 3 links to each other with 8 pin of CRM-PFC controller U1; 5 pin of CRM-PFC controller U1 connect the negative pole of power supply through primary coil of resistance R 13, transformer T2; The tie point of the drain electrode of FET Q1 and transformer T2 secondary coil links to each other with electric light inverter circuit (4) through diode D2, the negative pole of the termination power after capacitor C 15, C16, C17, the C18 parallel connection, and the other end links to each other with diode D2.
4. a kind of no electrolytic capacitor high-frequency pole-free circuit for lamp according to claim 1; Described no electrolytic capacitor protective circuit (7) is made up of diode D5, controllable silicon SCR 1, voltage stabilizing didoe D6, diode, resistance and electric capacity; It is characterized in that: an end of capacitor C 22 links to each other with coupling circuit (5); The other end of capacitor C 22 connects the control end of controllable silicon SCR 1 through diode D7, resistance R 18, voltage stabilizing didoe D6; Capacitor C 22 connects the negative pole of power supply through diode D8, and the tie point of resistance R 18 and voltage stabilizing didoe D6 connects the negative pole of power supply, connecting resistance R16 between the anode of controllable silicon SCR 1 and the negative electrode respectively through capacitor C 21, resistance R 17; The negative electrode of controllable silicon SCR 1 connects the negative pole of power supply, and the anode of controllable silicon SCR 1 links to each other with the inverter circuit of lighting a lamp (4) through diode D5.
5. a kind of no electrolytic capacitor high-frequency pole-free circuit for lamp according to claim 3 is characterized in that: the product that CRM-PFC controller U1 adopts U.S. ON company to produce, model is MC33262.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110107293XA CN102762018A (en) | 2011-04-28 | 2011-04-28 | No-electrolytic capacitor high-frequency electrodeless lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110107293XA CN102762018A (en) | 2011-04-28 | 2011-04-28 | No-electrolytic capacitor high-frequency electrodeless lamp circuit |
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| Publication Number | Publication Date |
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| CN102762018A true CN102762018A (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110107293XA Pending CN102762018A (en) | 2011-04-28 | 2011-04-28 | No-electrolytic capacitor high-frequency electrodeless lamp circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455239A (en) * | 2016-12-01 | 2017-02-22 | 中山市恒能电子科技有限公司 | LED lamp power supply capable of reducing power at regular time |
| CN110996456A (en) * | 2019-12-27 | 2020-04-10 | 东莞艾笛森光电有限公司 | Low-frequency lightning circuit without electrolytic capacitor |
-
2011
- 2011-04-28 CN CN201110107293XA patent/CN102762018A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455239A (en) * | 2016-12-01 | 2017-02-22 | 中山市恒能电子科技有限公司 | LED lamp power supply capable of reducing power at regular time |
| CN106455239B (en) * | 2016-12-01 | 2019-01-25 | 中山市恒能电子科技有限公司 | Regularly power LED lamp power that falls |
| CN110996456A (en) * | 2019-12-27 | 2020-04-10 | 东莞艾笛森光电有限公司 | Low-frequency lightning circuit without electrolytic capacitor |
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Application publication date: 20121031 |