CN201986247U - Efficient preheating energy-saving lamp with high power - Google Patents
Efficient preheating energy-saving lamp with high power Download PDFInfo
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- CN201986247U CN201986247U CN2010206896941U CN201020689694U CN201986247U CN 201986247 U CN201986247 U CN 201986247U CN 2010206896941 U CN2010206896941 U CN 2010206896941U CN 201020689694 U CN201020689694 U CN 201020689694U CN 201986247 U CN201986247 U CN 201986247U
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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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- 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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model discloses an efficient preheating energy-saving lamp with a high power, belonging to the technical field of electronic energy-saving lamp. The lamp comprises an overvoltage protection circuit, a rectifier circuit, an inverter circuit, a trigger circuit and a lamp tube which are sequentially connected in series; the efficient preheating energy-saving lamp with the high power is characterized in that a power factor correcting circuit and a preheating circuit are arranged; the input end of the power factor correcting circuit is connected with the output end of the rectifier circuit; the output end of the power factor correcting circuit is connected with the input end of the inverter circuit; and the output end of the inverter circuit is connected with the lamp tube through the preheating circuit. An electronic ballast circuit of a high power CFL (compact fluorescent lamp) is innovatively designed to realize a power factor of more than 0.99; moreover, the efficient preheating energy-saving lamp is provided with preheating start, works under a wide voltage range (85 V-265 V) and can integrally outputs a constant power output; therefore, not only the energy utilization ratio is increased the harmonic content to meet a national standard of GB17265.1-2003; furthermore, the efficient preheating energy-saving lamp can be applicable to the voltages and frequencies of each county and region. The reliability and stability of the efficient preheating energy-saving lamp are greatly increased, and the use schemes like 4U-45W, 4U-55W, 4U-65W, 6U-95W, 6U-105W, and 8U-15W can be realized.
Description
Technical field
The utility model provides a kind of efficient preheating high-power energy-saving lamp, belongs to the electronic energy-saving lamp technical field, and particularly a kind of ballast that can utilize is realized power factor correction and pipeline start up by preheating high-power energy-saving lamp.
Background technology
Generally speaking, mainly there is following problem in the high-power energy saving lamp ballast that uses at present: 1, power factor is low, has only 0.55, and the electrical network utilization rate of electrical is not high, the harmonic content severe overweight; 2, do not adopt pipeline start up by preheating, fluorescent tube starts fast, and the switch number of times is low; 3, the adaptation supply district is narrow, and power was low when voltage was low, and brightness is not enough; When voltage was high, power was big, and heating is serious.
The utility model content
According to above deficiency of the prior art, problem to be solved in the utility model is: provide a kind of and can realize that power factor reaches more than 0.99, and have the efficient preheating high-power energy-saving lamp of preheat function.
The technical scheme that its technical problem that solves the utility model adopts is: efficient preheating high-power energy-saving lamp; the overvoltage crowbar, rectification circuit, inverter circuit, circuits for triggering and the fluorescent tube that comprise series connection successively; it is characterized in that: circuit of power factor correction and preheat circuit are set; the input of circuit of power factor correction connects the output of rectification circuit; the output of circuit of power factor correction connects the input of inverter circuit, and the output of inverter circuit connects fluorescent tube by preheat circuit.
The overvoltage protection circuit is connected on the civil power two ends, and circuit of power factor correction makes power factor reach more than 0.99, and preheat circuit is responsible for filament pre-heating in the fluorescent tube, plays the purpose that prolongs the switch number of times.The resonant inductance of circuits for triggering can be divided into single channel or multichannel as required, connects one or more fluorescent tube respectively, satisfies the demand of different capacity.
Wherein preferred version is:
Described its circuit of power factor correction comprises power factor controller, and the input of power factor controller connects the output of rectification circuit, and the output of power factor controller connects inverter circuit, and power factor controller adopts the L6562 chip.A kind of execution mode of circuit of power factor correction.
Described its circuit of power factor correction comprises power factor controller U1, triode Q1, transformer L3, capacitor C 1-C7, resistance R 1-R11 and diode D5-D8, resistance R 1-R3 is connected between the output of rectification circuit, capacitor C 1 is set between the output of rectification circuit, the positive pole of rectification circuit is by the resistance R 4 of series connection, R5 connects the VCC pin of power factor controller U1, the VCC pin of power factor controller U1 is respectively by capacitor C 4, C5 ground connection, the MULT pin of power factor controller U1 is respectively by capacitor C 3, resistance R 3 ground connection, the ZCD pin of power factor controller U1 is respectively by resistance R 6 and transformer L3 ground connection, between the COMP pin of power factor controller U1 and the INV pin capacitor C 2 is set, the CS pin of power factor controller U1 is by resistance R 8 ground connection, the GD pin of power factor controller U1 is connected triode Q1 by parallel resistor R7 with diode D6, the INV pin of power factor controller U1 is by the resistance R 9 of series connection, R10, diode D5 connects rectification circuit anode, the INV pin is by resistance R 11 ground connection, the common port of diode D5 and resistance R 9 is by capacitor C 6 ground connection, and the VCC pin of power factor controller U1 is by diode D7, diode D8 is connected inverter circuit with the circuit that capacitor C 7 constitutes.Power factor controller U1 and peripheral circuit thereof constitute the main circuit of adjusting power factor, the work of realization wide-voltage range, firm power output improves utilization rate of electrical, harmonic content meets GB GB17265.1-2003, and can adapt to each country, regional voltage and frequency.
Described preheat circuit comprises thermistor PTC, diode D17, D16, and the output of inverter circuit connects thermistor PTC by diode D17, D16 respectively, and the other end of thermistor PTC connects fluorescent tube.Light is carried out preheating.
Described overvoltage crowbar comprises thermistor Rv1, and thermistor Rv1 connects the power supply both sides.Overvoltage or overheated after, whole ballast is protected.
The output of described overvoltage crowbar is provided with the electromagnetic compatibility circuit, and the output of electromagnetic compatibility circuit connects the input of rectification circuit.EMC electromagnetic compatibility circuit makes electricity-saving lamp meet the electromagnetism requirement.
The beneficial effect that the efficient preheating high-power energy-saving lamp of the utility model is had is: by circuit of power factor correction and preheat circuit are set, the input of circuit of power factor correction connects the output of rectification circuit, the output of circuit of power factor correction connects the input of inverter circuit, the output of inverter circuit connects fluorescent tube by preheat circuit, the innovative design of high-power CFL (compact type energy-saving lamp) electronic ballast circuit is realized that power factor is more than 0.99, have pipeline start up by preheating, wide-voltage range (85V-265V) work, the integrated powerful electricity-saving lamp of firm power output.So not only make electric energy be beneficial to rate and improve, harmonic content meets GB GB17265.1-2003, and can adapt to each country, regional voltage and frequency.Reliability of the present utility model, stability are greatly improved, and can realize operational versions such as 4U-45W, 4U-55W, 4U-65W, 6U-95W, 6U-105W, 8U-15W.
Description of drawings
Fig. 1 is a functional-block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
Wherein: U1, power factor controller Q1-Q3, triode L1, L3, transformer L2, L4, inductance C1-C13, electric capacity R1-R17, resistance D1-D17, diode Rv1, PTC, thermistor CX1, CX2, electric capacity FU, fuse N1-N3, inductance.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
As shown in Figure 1; on Chuan Lian overvoltage crowbar, rectification circuit, inverter circuit, circuits for triggering and the fluorescent tube circuit of power factor correction and preheat circuit are set successively; the input of circuit of power factor correction connects the output of rectification circuit; the output of circuit of power factor correction connects the input of inverter circuit, and the output of inverter circuit connects fluorescent tube by preheat circuit.The output of overvoltage crowbar is provided with the electromagnetic compatibility circuit, and the output of electromagnetic compatibility circuit connects the input of rectification circuit.
Its circuit of power factor correction comprises power factor controller, and the input of power factor controller connects the output of rectification circuit, and the output of power factor controller connects inverter circuit, and power factor controller adopts the L6562 chip.The overvoltage protection circuit is connected on the civil power two ends, and circuit of power factor correction makes power factor reach more than 0.99, and preheat circuit is responsible for filament pre-heating in the fluorescent tube, plays the purpose that prolongs the switch number of times.The resonant inductance of circuits for triggering can be divided into single channel or multichannel as required, connects one or more fluorescent tube respectively, satisfies the demand of different capacity.
As shown in Figure 2, circuit of power factor correction comprises power factor controller U1, triode Q1, transformer L3, capacitor C 1-C7, resistance R 1-R11 and diode D5-D8, resistance R 1-R3 is connected between the output of rectification circuit, capacitor C 1 is set between the output of rectification circuit, the positive pole of rectification circuit is by the resistance R 4 of series connection, R5 connects the VCC pin of power factor controller U1, the VCC pin of power factor controller U1 is respectively by capacitor C 4, C5 ground connection, the MULT pin of power factor controller U1 is respectively by capacitor C 3, resistance R 3 ground connection, the ZCD pin of power factor controller U1 is respectively by resistance R 6 and transformer L3 ground connection, between the COMP pin of power factor controller U1 and the INV pin capacitor C 2 is set, the CS pin of power factor controller U1 is by resistance R 8 ground connection, the GD pin of power factor controller U1 is connected triode Q1 by parallel resistor R7 with diode D6, the INV pin of power factor controller U1 is by the resistance R 9 of series connection, R10, diode D5 connects rectification circuit anode, the INV pin is by resistance R 11 ground connection, the common port of diode D5 and resistance R 9 is by capacitor C 6 ground connection, and the VCC pin of power factor controller U1 is by diode D7, diode D8 is connected inverter circuit with the circuit that capacitor C 7 constitutes.
Preheat circuit comprises thermistor PTC, diode D17, D16, and the output of inverter circuit connects thermistor PTC by diode D17, D16 respectively, and the other end of thermistor PTC connects fluorescent tube.
Overvoltage crowbar comprises thermistor Rv1, and thermistor Rv1 connects the power supply both sides.
Rectification circuit is formed rectifier bridge by diode D1-D4.
EMC electromagnetic compatibility circuit is made of capacitor C X1, CX2, inductance L 2 and transformer L1.
Inverter circuit is by triode Q2, Q3, capacitor C 8, C9, and inductance L 4, resistance C13 constitute.
Circuits for triggering are by resistance R 16, R17, capacitor C 11, and trigger DB3, diode D13 form.
The EMC electromagnetic compatibility circuit of mentioning in the utility model, inverter circuit and its setting of circuits for triggering and use are common prior art, and the technical staff is grasped by the industry.
Operation principle and use:
After energized, 220 volts of civil powers are through EMC electromagnetic compatibility circuit, through diode D1-D4 rectification, force input current and input voltage with the frequency homophase by circuit of power factor correction, reach the effect that power factor is provided, obtain simultaneously the amplitude about constant about 400V that a process boosts at electrochemical capacitor C6 two ends.Capacitor C 11 is recharged in the circuits for triggering, DB3 conducting when voltage is elevated to trigger DB3 breakover voltage, triode Q3 obtains enough positively biased voltage saturation conductings, electric current flows through capacitor C 8, C13, inductance L 4, N1A, triode Q3, resistance R 13 to ground, utilize capacitor C 8, C9 discharge simultaneously, electric current process capacitor C 13, Rt thermistor PTC are to filament pre-heating, preheating is finished, the inductance capacitance series resonance, it is bright that fluorescent tube is jumped, all the other branch road fluorescent tubes are lighted equally, and frequency reduces, and entire circuit is operated in oscillatory regime.Fluorescent tube flows through the voltage and current operate as normal of near sinusoidal ripple.
Claims (6)
1. efficient preheating high-power energy-saving lamp; the overvoltage crowbar, rectification circuit, inverter circuit, circuits for triggering and the fluorescent tube that comprise series connection successively; it is characterized in that: circuit of power factor correction and preheat circuit are set; the input of circuit of power factor correction connects the output of rectification circuit; the output of circuit of power factor correction connects the input of inverter circuit, and the output of inverter circuit connects fluorescent tube by preheat circuit.
2. efficient preheating high-power energy-saving lamp according to claim 1, it is characterized in that: described circuit of power factor correction comprises power factor controller, the input of power factor controller connects the output of rectification circuit, the output of power factor controller connects inverter circuit, and power factor controller adopts the L6562 chip.
3. efficient preheating high-power energy-saving lamp according to claim 2, it is characterized in that: described circuit of power factor correction comprises power factor controller U1, triode Q1, transformer L3, capacitor C 1-C7, resistance R 1-R11 and diode D5-D8, resistance R 1-R3 is connected between the output of rectification circuit, capacitor C 1 is set between the output of rectification circuit, the positive pole of rectification circuit is by the resistance R 4 of series connection, R5 connects the VCC pin of power factor controller U1, the VCC pin of power factor controller U1 is respectively by capacitor C 4, C5 ground connection, the MULT pin of power factor controller U1 is respectively by capacitor C 3, resistance R 3 ground connection, the ZCD pin of power factor controller U1 is respectively by resistance R 6 and transformer L3 ground connection, between the COMP pin of power factor controller U1 and the INV pin capacitor C 2 is set, the CS pin of power factor controller U1 is by resistance R 8 ground connection, the GD pin of power factor controller U1 is connected triode Q1 by parallel resistor R7 with diode D6, the INV pin of power factor controller U1 is by the resistance R 9 of series connection, R10, diode D5 connects rectification circuit anode, the INV pin is by resistance R 11 ground connection, the common port of diode D5 and resistance R 9 is by capacitor C 6 ground connection, and the VCC pin of power factor controller U1 is by diode D7, diode D8 is connected inverter circuit with the circuit that capacitor C 7 constitutes.
4. efficient preheating high-power energy-saving lamp according to claim 1, it is characterized in that: described preheat circuit comprises thermistor PTC, diode D17, D16, the output of inverter circuit connects thermistor PTC by diode D17, D16 respectively, and the other end of thermistor PTC connects fluorescent tube.
5. efficient preheating high-power energy-saving lamp according to claim 1, it is characterized in that: described overvoltage crowbar comprises thermistor Rv1, thermistor Rv1 connects the power supply both sides.
6. efficient preheating high-power energy-saving lamp according to claim 1, it is characterized in that: the output of described overvoltage crowbar is provided with the electromagnetic compatibility circuit, and the output of electromagnetic compatibility circuit connects the input of rectification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206896941U CN201986247U (en) | 2010-12-30 | 2010-12-30 | Efficient preheating energy-saving lamp with high power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206896941U CN201986247U (en) | 2010-12-30 | 2010-12-30 | Efficient preheating energy-saving lamp with high power |
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| Publication Number | Publication Date |
|---|---|
| CN201986247U true CN201986247U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206896941U Expired - Fee Related CN201986247U (en) | 2010-12-30 | 2010-12-30 | Efficient preheating energy-saving lamp with high power |
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| Country | Link |
|---|---|
| CN (1) | CN201986247U (en) |
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2010
- 2010-12-30 CN CN2010206896941U patent/CN201986247U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20161230 |