CN201515537U - Electrodeless lamp ballasting circuit - Google Patents
Electrodeless lamp ballasting circuit Download PDFInfo
- Publication number
- CN201515537U CN201515537U CN2009202106791U CN200920210679U CN201515537U CN 201515537 U CN201515537 U CN 201515537U CN 2009202106791 U CN2009202106791 U CN 2009202106791U CN 200920210679 U CN200920210679 U CN 200920210679U CN 201515537 U CN201515537 U CN 201515537U
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- ballast control
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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 relates to an electrodeless lamp ballasting circuit comprising a filtering and rectifying circuit, a power factor correction circuit, an abnormal protection circuit, a ballasting control circuit and a power output circuit, wherein the filtering and rectifying circuit, the power factor correction circuit and a power output circuit are connected sequentially in series; the filtering and rectifying circuit is connected with an external power supply; the power output circuit is connected with an external power coupling coil; the ballasting control circuit is respectively connected with the filtering and rectifying circuit and the power output circuit; the ballasting control circuit adopts an electronic ballasting control chip of a universal fluorescent light to control the power output circuit; and the abnormal protection circuit is respectively connected with the power output circuit and the ballasting control circuit. The electrodeless lamp ballasting circuit adopts the electronic ballasting control chip of a universal fluorescent light, thus reducing the cost of the ballasting circuit, and being beneficial to the promotion and use of electrodeless lamps.
Description
Technical field
The utility model relates to outer coupling electromagnetic induction electrodeless lamp, relates in particular to a kind of electroless lamp ballasting circuit.
Background technology
Electrodeless lamp is made up of excitation power supply, electric ballast, power coupling coil and bulb, the direct current that excitation power supply produces forms high-frequency current and delivers to the power coupling coil behind electric ballast, when high-frequency current passes through the power coupling coil, produce an electromagnetic field of high frequency.The magnetic field that changes promptly produces an electric field perpendicular to changes of magnetic field, and the electronics in bulb internal discharge space is quickened by electric field, and when energy reached certain value, the gas molecule in electronics and the container bumped, and the gas avalanche ionization forms plasma in the bulb.When the plasma excited atom is returned ground state, spontaneous ejaculation ultraviolet light, the phosphor powder on the ultraviolet excitation bulb walls sends visible light.The advantage of electrodeless lamp is that long service life, high conformity, light efficiency are higher, substitutes all kinds of conventional light source gradually.
Electrodeless lamp its specific structure, control has proposed special requirement to ballast, and ballasting circuit of the prior art all is the special-purpose ballast control chip that adopts particular design.The employing of special-purpose ballast control chip has hindered promoting the use of of electrodeless lamp, has also increased the cost of ballasting circuit.
The utility model content
The purpose of this utility model is to provide a kind of electroless lamp ballasting circuit, adopts general fluorescent lamp electronic ballast control chip, reduces the cost of ballasting circuit, promotes promoting the use of of electrodeless lamp.
To achieve the above object, the utility model provides a kind of filter rectifier, circuit of power factor correction, abnormity protection circuit, ballast control circuit and power output circuit of comprising; Described filter rectifier, circuit of power factor correction and power output circuit are connected successively, and described filter rectifier is connected with external power source, and described power output circuit is connected with the external power coupling coil; Described ballast control circuit is connected with power output circuit with filter rectifier respectively; Described ballast control circuit adopts general fluorescent lamp electronic ballast control chip power controlling output circuit; Described abnormity protection circuit is connected with the ballast control circuit with power output circuit respectively; The alternating current of external power source input is delivered to the voltage stabilizing constant current that the circuit of power factor correction acquisition is boosted after the filter rectifier rectification, this voltage stabilizing constant current produces high-frequency and high-voltage behind power output circuit operating voltage is delivered to the external power coupling coil; Described abnormity protection circuit obtains from power output circuit and is sent to the ballast control circuit after output voltage signal is handled, and described ballast control circuit is controlled power output circuit according to the signal of abnormity protection circuit output.
Last electroless lamp ballasting circuit, wherein, described filter rectifier comprises filter circuit and the bridge rectifier that is connected with filter circuit.
Last electroless lamp ballasting circuit, wherein, the input of described filter circuit connect successively protective tube and thermistor.
Last electroless lamp ballasting circuit, wherein, described power output circuit comprises first metal-oxide-semiconductor, second metal-oxide-semiconductor, inductance, first electric capacity, second electric capacity and transformer; The drain electrode of described first metal-oxide-semiconductor is connected with the output of circuit of power factor correction; The source electrode of described first metal-oxide-semiconductor is connected with the drain electrode of second metal-oxide-semiconductor; The grid of described second metal-oxide-semiconductor is connected with the ballast control circuit; One end of described primary is connected with the ballast control circuit; One end of described transformer secondary output is connected with the grid of first metal-oxide-semiconductor; The other end of described transformer secondary output is connected with the source electrode of first metal-oxide-semiconductor; One end of described inductance is connected with the drain electrode of second metal-oxide-semiconductor, and its other end is connected and is connected with the external power coupling coil behind first electric capacity; Described second electric capacity is in parallel with first electric capacity and external power coupling coil.
The utility model electroless lamp ballasting circuit adopts the core of general fluorescent lamp electronic ballast control chip as the ballast control circuit, adopt the core of universal power factor control chip as circuit of power factor correction, greatly reduce the cost of ballasting circuit, help promoting the use of of electrodeless lamp.
Description of drawings
Electroless lamp ballasting circuit of the present utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is the structured flowchart of the utility model electroless lamp ballasting circuit.
Fig. 2 is the circuit diagram of the utility model electroless lamp ballasting circuit.
Fig. 3 is the circuit diagram of filter rectifier in the utility model.
Fig. 4 is the circuit diagram of circuit of power factor correction in the utility model.
Fig. 5 is the circuit diagram of ballast control circuit in the utility model.
Fig. 6 is the circuit diagram of power output circuit in the utility model.
Fig. 7 is the circuit diagram of abnormity protection circuit in the utility model.
Embodiment
Below with reference to Fig. 1～Fig. 7 electroless lamp ballasting circuit of the present utility model is described in further detail.
Referring to Fig. 1 and Fig. 2, the utility model electroless lamp ballasting circuit comprises filter rectifier 10, circuit of power factor correction 20, abnormity protection circuit 30, ballast control circuit 40 and power output circuit 50;
Described filter rectifier 10, circuit of power factor correction 20 and power output circuit 50 are connected successively;
Described filter rectifier 10 is connected with external power source;
Described power output circuit 50 is connected with external power coupling coil 60;
Described ballast control circuit 40 is connected with power output circuit 50 with filter rectifier 10 respectively;
Described abnormity protection circuit 30 is connected with ballast control circuit 40 with power output circuit 50 respectively;
The alternating current of external power source input flows to ballast control circuit 40 after filter rectifier 10 rectifications, be used to start ballast control circuit 40, described ballast control circuit 40 starts rear drive power output circuit 50 and carries out electrodeless lamp fluorescent tube 70 starters, starter success back electroless lamp ballasting circuit enters normal operating conditions, the alternating current of external power source input is delivered to the voltage stabilizing constant current that circuit of power factor correction 20 acquisitions are boosted after filter rectifier 10 rectifications, this voltage stabilizing constant current produces the operating voltages of high-frequency and high-voltages via power output circuit 50 backs of ballast control circuit 40 control, and this operating voltage external power coupling coil 60 of flowing through is used to encourage gas luminescence in the outside electrodeless lamp fluorescent tube 70; Described abnormity protection circuit 30 obtains output voltage signal from power output circuit 50; described output voltage signal is sent to ballast control circuit 40 after abnormity protection circuit 30 multiple decay, filtering; described ballast control circuit 40 is dynamically exported adjusting according to the signal of abnormity protection circuit 30 outputs to power output circuit 50; keep electrodeless lamp fluorescent tube 70 under certain power, to work, and the protection of taking to stop to export according to various abnormal conditions is at any time moved.
Referring to Fig. 3, described filter rectifier 10 comprises by 5 electric capacity (C1～C5) and 2 inductance (L1 and L2) filter circuit of forming 11 and the bridge rectifier 12 that is connected with filter circuit 11.
Described filter circuit 11 links to each other with external power source, and its effect is the electromagnetic interference that suppresses on the electrical network, suppresses the electromagnetic interference that ballasting circuit itself produces simultaneously, with the protection electrical network.
Described bridge rectifier 12 pairs of interchanges carrying out rectification is to obtain to keep the direct current supply of subsequent conditioning circuit work.
Excessive for fear of the cold start-up electric current, can be at the input L of filter circuit 11 series connection protective tube 14 and thermistor 13.
Referring to Fig. 4, described circuit of power factor correction 20 comprises power factor controlling integrated circuit (IC) 21 and peripheral cell thereof, and the output DCBUS of described circuit of power factor correction 20 provides constant DC voltage for power output circuit 50.
Described power factor controlling integrated circuit (IC) 21 is a universal power factor control chip, as, the L6562 chip that ST company produces.
When the alternating voltage of external power source input changes between 85V～265V, the output DCBUS of described power factor controlling integrated circuit (IC) 21 energy power controlling factor correcting circuits 20 keeps direct voltage constant, and the total harmonic distortion with ballasting circuit is controlled in 8% simultaneously.Universal power factor control integrated circuit IC21 has a large amount of application in various power supplys, electric ballast, this application of universal power factor control integrated circuit IC21 in the electroless lamp ballasting circuit will reduce the development difficulty and the cost of electroless lamp ballasting device greatly.
Referring to Fig. 5, described ballast control circuit 40 comprises ballast control integrated circuit IC41 and peripheral cell thereof.
The scanning pin CT of described ballast control integrated circuit IC41 connects a capacitor C 6.After connecting external power source, described capacitor C 6 begins charging, and when capacitor C 6 chargings reached 12V, ballast control integrated circuit IC41 started, and driving power output circuit 50 carries out electrodeless lamp fluorescent tube 70 starters.
Described ballast control integrated circuit IC41 is general fluorescent lamp electronic ballast control chip, as, the IR2156 chip that IR company produces, this chip is widely used in various fluorescent lamps, energy-saving lamp electronic ballast, and output is big, cheap, dependable performance.
The ballast control circuit 40 of the utility model electroless lamp ballasting circuit adopts general fluorescent lamp electronic ballast control chip, but not aim at the special-purpose ballast control chip that electrodeless lamp designs, greatly reduce the cost of electroless lamp ballasting circuit, help applying of electrodeless lamp.
Referring to Fig. 6, described power output circuit 50 comprises first metal-oxide-semiconductor 51, second metal-oxide-semiconductor 52, inductance L 3, capacitor C 7, capacitor C 8 and transformer L4;
The drain electrode of described first metal-oxide-semiconductor 51 is connected with the output DCBUS of circuit of power factor correction 20;
The source electrode of described first metal-oxide-semiconductor 51 is connected with the drain electrode of second metal-oxide-semiconductor 52;
The grid of described second metal-oxide-semiconductor 52 is connected with ballast control circuit 40;
The elementary end of described transformer L4 is connected with ballast control circuit 40;
One end of L4 level of described transformer is connected with the grid of first metal-oxide-semiconductor 51;
The other end of L4 level of described transformer is connected with the source electrode of first metal-oxide-semiconductor 51;
One end of described inductance L 3 is connected with the drain electrode of second metal-oxide-semiconductor 52, is connected (not shown) with external power coupling coil 60 behind its other end series capacitance C7;
Described capacitor C 8 is in parallel with capacitor C 7 and external power coupling coil 60.
Referring to Fig. 7, described abnormity protection circuit 30 comprises capacitor C 9, capacitor C 10, capacitor C 11 and resistance R 1;
Described capacitor C 9 is connected with power output circuit 50 respectively with capacitor C 10;
Described capacitor C 11 is connected with the ballast control integrated circuit IC41 of ballast control circuit 40 respectively with resistance R 1.
Described abnormity protection circuit 30 is gathered the ballast control integrated circuit IC41 that output voltage signals carry out passing to after the algorithm ballast control circuit 40 from power output circuit 50.
The utility model electroless lamp ballasting circuit has been realized starter, burning-point and the abnormal protection of electrodeless lamp with general fluorescent lamp electronic ballast control chip, reliability height, power factor height, have measuring ability, but the output of constant frequency rate is to keep the stable of power stability and light output to output signal; Can provide open-circuit-protection, lamp not to start protection, short-circuit protection etc.
Claims (4)
1. an electroless lamp ballasting circuit is characterized in that, comprises filter rectifier, circuit of power factor correction, abnormity protection circuit, ballast control circuit and power output circuit;
Described filter rectifier, circuit of power factor correction and power output circuit are connected successively, and described filter rectifier is connected with external power source, and described power output circuit is connected with the external power coupling coil;
Described ballast control circuit is connected with power output circuit with filter rectifier respectively, and this ballast control circuit adopts general fluorescent lamp electronic ballast control chip power controlling output circuit;
Described abnormity protection circuit is connected with the ballast control circuit with power output circuit respectively;
The alternating current of external power source input is delivered to the voltage stabilizing constant current that the circuit of power factor correction acquisition is boosted after the filter rectifier rectification, this voltage stabilizing constant current produces high-frequency and high-voltage behind power output circuit operating voltage is delivered to the external power coupling coil; Described abnormity protection circuit obtains from power output circuit and is sent to the ballast control circuit after output voltage signal is handled, and described ballast control circuit is controlled power output circuit according to the signal of abnormity protection circuit output.
2. electroless lamp ballasting circuit as claimed in claim 1 is characterized in that, described filter rectifier comprises filter circuit and the bridge rectifier that is connected with filter circuit.
3. electroless lamp ballasting circuit as claimed in claim 2 is characterized in that, the input of described filter rectifier connect successively protective tube and thermistor.
4. electroless lamp ballasting circuit as claimed in claim 1 is characterized in that, described power output circuit comprises first metal-oxide-semiconductor, second metal-oxide-semiconductor, inductance, first electric capacity, second electric capacity and transformer;
The drain electrode of described first metal-oxide-semiconductor is connected with the output of circuit of power factor correction;
The source electrode of described first metal-oxide-semiconductor is connected with the drain electrode of second metal-oxide-semiconductor;
The grid of described second metal-oxide-semiconductor is connected with the ballast control circuit;
One end of described primary is connected with the ballast control circuit;
One end of described transformer secondary output is connected with the grid of first metal-oxide-semiconductor;
The other end of described transformer secondary output is connected with the source electrode of first metal-oxide-semiconductor;
One end of described inductance is connected with the drain electrode of second metal-oxide-semiconductor, and its other end is connected and is connected with the external power coupling coil behind first electric capacity;
Described second electric capacity is in parallel with first electric capacity and external power coupling coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202106791U CN201515537U (en) | 2009-10-13 | 2009-10-13 | Electrodeless lamp ballasting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202106791U CN201515537U (en) | 2009-10-13 | 2009-10-13 | Electrodeless lamp ballasting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201515537U true CN201515537U (en) | 2010-06-23 |
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ID=42486946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202106791U Expired - Fee Related CN201515537U (en) | 2009-10-13 | 2009-10-13 | Electrodeless lamp ballasting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201515537U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102065622A (en) * | 2010-09-30 | 2011-05-18 | 深圳市新能通节能科技有限公司 | Isolation electrodeless lamp |
| CN101772250B (en) * | 2010-02-08 | 2013-08-28 | 海洋王照明科技股份有限公司 | Dimmable electronic ballast |
| CN103347357A (en) * | 2013-06-26 | 2013-10-09 | 夏轶 | Chip for electrodeless gas discharge lamp and electrodeless gas discharge lamp |
-
2009
- 2009-10-13 CN CN2009202106791U patent/CN201515537U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101772250B (en) * | 2010-02-08 | 2013-08-28 | 海洋王照明科技股份有限公司 | Dimmable electronic ballast |
| CN102065622A (en) * | 2010-09-30 | 2011-05-18 | 深圳市新能通节能科技有限公司 | Isolation electrodeless lamp |
| CN102065622B (en) * | 2010-09-30 | 2011-12-28 | 深圳市新能通节能科技有限公司 | Isolation electrodeless lamp |
| CN103347357A (en) * | 2013-06-26 | 2013-10-09 | 夏轶 | Chip for electrodeless gas discharge lamp and electrodeless gas discharge lamp |
| CN103347357B (en) * | 2013-06-26 | 2015-09-02 | 夏轶 | Electrode-less gas discharge lamp special chip and electrode-less gas discharge lamp |
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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: 20100623 Termination date: 20121013 |