CN101064981A - Fluorescent lamp electronic ballast - Google Patents
Fluorescent lamp electronic ballast Download PDFInfo
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- CN101064981A CN101064981A CN 200610026139 CN200610026139A CN101064981A CN 101064981 A CN101064981 A CN 101064981A CN 200610026139 CN200610026139 CN 200610026139 CN 200610026139 A CN200610026139 A CN 200610026139A CN 101064981 A CN101064981 A CN 101064981A
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Abstract
The invention discloses new type fluorescent lamp electron ballast, by introducing power voltage signal process device, the power line is translated to including control signal from original pure delivering electricity energy, and adjustment of lightness is realized on foundation of original connection mode. Said fluorescent lamp electron ballast includes a commutating filter circuit (AC/DC inverter), a high frequency inverting circuit (DC/AC), a controllable control circuit which outputs high frequency drive signal and other control signal, a signal feedback circuit, a sampling and signal process circuit which concerts the change of silicon control angle of flow to voltage signal, a high frequency output circuit and lamp load which receives said voltage signal and outputs high frequency current to lamp load as preset procedure. The fluorescent lamp electron ballast of the invention realizes function of lighting by recognizing the change of silicon control angle of flow to achieve the invention.
Description
Technical field
The present invention relates to a kind of electric ballast, particularly a kind of electronic ballast for fluoresent lamp of phase control dimming.
Background technology
Along with the raising of people to lighting quality, the fluorescent lamp of traditional constant brightness can not satisfy the daily life needs, also is unfavorable for energy savings, and the fluorescent lamp of adjustable brightness is the inexorable trend of development.At present, general light adjusting circuit is to increase controlling unit in ballast, and the holding wire that is independent of outside the power line transmits dim signal, and the obvious like this complexity that increases circuit connection is hindered attractive in appearance.
Summary of the invention
The purpose of this invention is to provide a kind of novel electronic ballast for fluoresent lamp, by in dimmer, introducing the power supply voltage signal processing unit, electric power incoming line is changed into by original simple transmission electric energy comprised control signal simultaneously, on the wiring basis of original mode of connection, realized the adjustable of brightness.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of electronic ballast for fluoresent lamp is characterized in that: described electronic ballast for fluoresent lamp comprises that the control circuit of a current rectifying and wave filtering circuit (AC/DC inverter), a high-frequency inverter circuit (DC/AC), a may command, output high-frequency driving signal and other control signal, a signal feedback circuit, change the sampling and the signal processing circuit, that are converted into voltage signal with thyristor operating angle and receive above-mentioned voltage signal, export high-frequency output circuit and the tube load of high-frequency current to tube load by preset program.
Further, the DC filtering that constitutes of the rectifying part that constitutes of the EMI inhibitor, diode D1, D2, D3, D4, capacitor C 4, C5, the C6 that are made of inductance L 1 and capacitor C 1 of described current rectifying and wave filtering circuit and capacitor C 2, C3 is partly formed.
Further, described high-frequency inverter circuit is made up of inductance L 3, capacitor C 10, transistor T 1, T2 and resistance R 3, R4.The output of the described current rectifying and wave filtering circuit of input termination of described high-frequency inverter circuit, described high-frequency inverter circuit is connected with control circuit.
Further, described control circuit comprises the IC chip of a controllable frequency and attached peripheral circuit thereof.
Further, described signal feedback circuit is made up of resistance R 5, R6, R7, R8, R9, R13, R14, R15, R16, R23, capacitor C 15, diode D8 and inductance L 5.
Further, described sampling and signal processing circuit are made up of resistance R 17, R18, R19, R20, R21, R22, capacitor C 7, C8, C9, voltage-stabiliser tube D5, diode D6, and the input of described sampling and signal processing circuit is connected the output of current rectifying and wave filtering circuit.
Further, described high-frequency output circuit is made up of capacitor C 13, C14 and inductance L 4, and the input of described high-frequency output circuit connects the output of high-frequency inverter circuit.The output termination tube load of described high-frequency output circuit.
Further, can insert one between described current rectifying and wave filtering circuit and the described DC filtering part and be used to obtain the PFC booster converter that the low current harmonic distortion realizes High Power Factor.
Electronic ballast for fluoresent lamp of the present invention is realized the effect of light modulation by the change of identification silicon controlled dimmer for light control phase angle, reaches purpose of the present invention.
Description of drawings
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structured flowchart of electronic ballast for fluoresent lamp of the present invention.
Fig. 2 is the electrical schematic diagram of electronic ballast for fluoresent lamp of the present invention.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of electronic ballast for fluoresent lamp is characterized in that: described electronic ballast for fluoresent lamp comprises that control circuit 3, a signal feedback circuit 4, of a current rectifying and wave filtering circuit 1 (AC/DC inverter), a high-frequency inverter circuit 2 (DC/AC), a may command, output high-frequency driving signal and other control signal change the sampling and the signal processing circuit 5, that are converted into voltage signal with thyristor operating angle and receive above-mentioned voltage signal, export high-frequency output circuit 6 and the tube load 7 of high-frequency current to tube load by preset program.
The EMI inhibitor that described current rectifying and wave filtering circuit 1 is made of inductance L 1 and capacitor C 1, the DC filtering that rectifying part that diode D1, D2, D3, D4, capacitor C 4, C5, C6 constitute and capacitor C 2, C3 constitute is partly formed.Described current rectifying and wave filtering circuit 1 is connected with the mains ac power supply with elimination High-frequency Interference clutter, and the alternating voltage of input is converted to direct voltage.
Described high-frequency inverter circuit 2 is made up of inductance L 3, capacitor C 10, transistor T 1, T2 and resistance R 3, R4.The output of the described current rectifying and wave filtering circuit 1 of input termination of described high-frequency inverter circuit 2, described high-frequency inverter circuit 2 is connected with 11 with the high-frequency driving signal pin 9 of the IC that control circuit 3 comprises, the operating frequency of described high-frequency inverter circuit 2 is by the driving signal frequency decision of described IC, under this frequency, inductance L 4 correspondences in high-frequency output circuit 6 loops certain specific impedance, this impedance has just determined lamp current.
Described control circuit 3 comprises the IC of a controllable frequency and attached peripheral circuit thereof, and each control pin of IC is connected with the related peripheral circuit.
Described signal feedback circuit 4 is made up of resistance R 5, R6, R7, R8, R9, R13, R14, R15, R16, R23, capacitor C 15, diode D8 and inductance L 5.Resistance R 13, R14, R15, R16, R23, diode D8, capacitor C 15 one tunnel be the control pin 2 and 10 of access control chip IC respectively, and resistance R 5, R6, R7, R8, R9, inductance L 5 one tunnel be the control pin 3 and 15 of access control chip IC respectively.
Described sampling and signal processing circuit 5 are made up of resistance R 17, R18, R19, R20, R21, R22, voltage-stabiliser tube D5, diode D6, capacitor C 7, C8, C9, and the input of described sample circuit 5 is connected the input of current rectifying and wave filtering circuit 1.Described sample circuit 5 is from the AC power end sampling of controllable silicon dimmer output, the signal processing circuit of forming by R17, R18, R19, R20, R21, R22, voltage-stabiliser tube D5, diode D6, capacitor C 8, C9 after C7 filtering direct current and step-down is converted to voltage signal with the variation of thyristor operating angle, offer the dim signal input control pin 8 of IC that control circuit 3 comprises, the control pin 14 of another road by resistance R 24 back access control chip IC by way of compensation.
Described high-frequency output circuit 6 is made up of capacitor C 13, C14 and inductance L 4, the input of described high-frequency output circuit 6 connects the output of described high-frequency inverter circuit 2, and the high-frequency current of exporting from described high-frequency inverter circuit 2 can stably work tube load 7 by described high-frequency output circuit 6.
Can insert one between described current rectifying and wave filtering circuit 1 and the described DC filtering part and be used to obtain the PFC booster converter that the low current harmonic distortion realizes High Power Factor.Make from current rectifying and wave filtering circuit 1 output and can obtain stable nominal voltage signal.
The sampled point of sampling and signal processing circuit 5 is the alternating voltage of controllable silicon dimmer output, utilize the effective value of this voltage to become the positive relation with the angle of flow of controllable silicon dimmer, processing through over-sampling and signal processing circuit 5, make controllable silicon dimmer when certain limit is transferred back and forth, export the effective voltage signal, chip IC is by implementing the control to output frequency to the analyzing and processing of this voltage signal, control the variation of output current by frequency change, realize the function of light modulation.
Certainly, present embodiment is not limited to the present invention, to those of ordinary skill in the art; still can do multiple variation to present embodiment; therefore, every employing analog structure of the present invention and similar variation thereof all should be listed the protection range of protection scope of the present invention claims in.
Claims (8)
1, a kind of electronic ballast for fluoresent lamp is characterized in that: described electronic ballast for fluoresent lamp comprises that the control circuit of a current rectifying and wave filtering circuit (AC/DC inverter), a high-frequency inverter circuit (DC/AC), a may command, output high-frequency driving signal and other control signal, a signal feedback circuit, change the sampling and the signal processing circuit, that are converted into voltage signal with thyristor operating angle and receive above-mentioned voltage signal, export high-frequency output circuit and the tube load of high-frequency current to tube load by preset program.
2, electric ballast according to claim 1 is characterized in that: the DC filtering that the rectifying part that the EMI inhibitor that described current rectifying and wave filtering circuit is made of inductance L 1 and capacitor C 1, diode D1, D2, D3, D4, capacitor C 4, C5, C6 constitute and capacitor C 2, C3 constitute is partly formed.
3, electric ballast according to claim 1 is characterized in that: described high-frequency inverter circuit is made up of inductance L 3, capacitor C 10, transistor T 1, T2 and resistance R 3, R4.The output of the described current rectifying and wave filtering circuit of input termination of described high-frequency inverter circuit, described high-frequency inverter circuit is connected with control circuit.
4, electric ballast according to claim 1 is characterized in that: described control circuit comprises the IC chip of a controllable frequency and attached peripheral circuit thereof.
5, electric ballast according to claim 1 is characterized in that: described signal feedback circuit is made up of resistance R 5, R6, R7, R8, R9, R13, R14, R15, R16, R23, capacitor C 15, diode D8 and inductance L 5.
6, electric ballast according to claim 1, it is characterized in that: described sampling and signal processing circuit are made up of resistance R 17, R18, R19, R20, R21, R22, capacitor C 7, C8, C9, and the input of described sampling and signal processing circuit is connected the AC power end of controllable silicon dimmer output.
7, electric ballast according to claim 1 is characterized in that: described high-frequency output circuit is made up of capacitor C 13, C14 and inductance L 4, and the input of described high-frequency output circuit connects the output of high-frequency inverter circuit.The output termination tube load of described high-frequency output circuit.
8, electric ballast according to claim 1 is characterized in that: can insert one between described current rectifying and wave filtering circuit and the described DC filtering part and be used to obtain the PFC booster converter that the low current harmonic distortion realizes High Power Factor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610026139 CN101064981A (en) | 2006-04-27 | 2006-04-27 | Fluorescent lamp electronic ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610026139 CN101064981A (en) | 2006-04-27 | 2006-04-27 | Fluorescent lamp electronic ballast |
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| Publication Number | Publication Date |
|---|---|
| CN101064981A true CN101064981A (en) | 2007-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610026139 Pending CN101064981A (en) | 2006-04-27 | 2006-04-27 | Fluorescent lamp electronic ballast |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012163287A1 (en) * | 2011-06-01 | 2012-12-06 | City University Of Hong Kong | Driver circuit for powering dc lamp in non-dc lamp fitting |
| CN104780664A (en) * | 2015-03-30 | 2015-07-15 | 成都颉隆科技有限公司 | Logic protection voltage-stabilization type frequency conversion and energy saving control system for smart grid |
| CN113365398A (en) * | 2021-06-16 | 2021-09-07 | 中国民用航空总局第二研究所 | Navigation aid lamp bidirectional independent control system for airport guidance |
-
2006
- 2006-04-27 CN CN 200610026139 patent/CN101064981A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012163287A1 (en) * | 2011-06-01 | 2012-12-06 | City University Of Hong Kong | Driver circuit for powering dc lamp in non-dc lamp fitting |
| CN103688594A (en) * | 2011-06-01 | 2014-03-26 | 香港城市大学 | Driver circuit for powering dc lamp in non-dc lamp fitting |
| CN103688594B (en) * | 2011-06-01 | 2015-06-17 | 香港城市大学 | Driver circuit for powering dc lamp in non-dc lamp fitting |
| CN104780664A (en) * | 2015-03-30 | 2015-07-15 | 成都颉隆科技有限公司 | Logic protection voltage-stabilization type frequency conversion and energy saving control system for smart grid |
| CN104780664B (en) * | 2015-03-30 | 2017-03-08 | 广州禺华电气设备有限公司 | A kind of virtual protection type voltage regulation intelligent grid energy saving control system of frequency conversion in use |
| CN113365398A (en) * | 2021-06-16 | 2021-09-07 | 中国民用航空总局第二研究所 | Navigation aid lamp bidirectional independent control system for airport guidance |
| CN113365398B (en) * | 2021-06-16 | 2022-11-18 | 中国民用航空总局第二研究所 | Navigation aid lamp bidirectional independent control system for airport guidance |
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