CN200997715Y - Push-pull outputting high-frequency electronic ballast - Google Patents
Push-pull outputting high-frequency electronic ballast Download PDFInfo
- Publication number
- CN200997715Y CN200997715Y CN 200620108894 CN200620108894U CN200997715Y CN 200997715 Y CN200997715 Y CN 200997715Y CN 200620108894 CN200620108894 CN 200620108894 CN 200620108894 U CN200620108894 U CN 200620108894U CN 200997715 Y CN200997715 Y CN 200997715Y
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- China
- Prior art keywords
- circuit
- output
- power factor
- factor correction
- gate driver
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- Expired - Fee Related
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Abstract
A push-pull output high-frequent electronic ballast is composed of a low-pass filter circuit, a rectifying circuit, a power factor correcting circuit, a sine integral circuit, a grid drive circuit, an output amplifying circuit and a constant current protective circuit, of which the input terminal of the rectifying circuit is connected with the output phase of the low-pass filter circuit, the power factor correcting circuit is arranged on the output terminal of the rectifying circuit, the sine integral circuit is coupled with the power factor correcting circuit and the grid drive circuit, the input terminal of the output amplifying circuit is connected with the output terminal of the grid drive circuit, and is characterized in that a PWM pulse-width modulation chip is adopted for the power factor correcting circuit, the grid drive circuit is driven by the drive transformer, the push-pull output and the multistage dual voltage rectifying circuit are adopted for the output amplifying circuit and the output terminal is provided with the constant current protective circuit.
Description
Technical field
The utility model relates to a kind of electric ballast, specifically be meant a kind of be applicable to high-power fluorescent lamp, metal halide lamp and high-pressure sodium lamp recommend the output high-frequency electronic ballast.
Background technology
In order to improve the operating efficiency of fluorescent tube, require electric ballast that enough fan-out capabilities are arranged, existing high-frequency electronic ballast generally comprises filter circuit, rectification circuit, circuit of power factor correction, integral sine circuit, self-maintained circuit, output amplifier.Wherein circuit of power factor correction needs special chip, and the circuit of reversed excitation pressure-increasning state is realized down, needs high pressure resistant pipe, exists the device cost height, the defective that useful life is short.
Summary of the invention
The purpose of this utility model be propose that a kind of production cost is low, long service life recommend the output high-frequency electronic ballast.
The purpose of this utility model is achieved in that a kind of output high-frequency electronic ballast of recommending of the present utility model; it comprises low-pass filter circuit; rectification circuit; circuit of power factor correction; the integral sine circuit; gate driver circuit; output amplifier and constant current protective circuit; the input of above-mentioned rectification circuit is connected with the output of low-pass filter circuit circuit; circuit of power factor correction is at the output of rectification circuit; integral sine circuit and circuit of power factor correction are coupled; gate driver circuit and integral sine circuit are coupled; the input of output amplifier is connected with the output of gate driver circuit; it is characterized in that circuit of power factor correction adopts pwm pulse width modulated chip; gate driver circuit adopts driving transformer to drive; output amplifier adopts recommends output and cockcroft-walton voltage multiplier circuit, and output has the constant current protective circuit.
The output high-frequency electronic ballast of recommending of the present utility model is owing to circuit of power factor correction uses pwm pulse width modulated chip, low price, adopt forward converter, output is worked under low-voltage, adopt the cockcroft-walton voltage multiplier circuit, make output voltage be easy to reach more than 5000 volts, recommend output and make metal-oxide-semiconductor to work under low-voltage, can select withstand voltage low metal-oxide-semiconductor for use, gate driving adopts driving transformer to drive, can make main transformer enter shallow saturation region, the transformer temperature rise is little.Therefore, under same power output, the load power of components and parts is little, has that cost is low, the characteristics of long service life.
Description of drawings
Fig. 1 is the frame principle figure of recommending the output high-frequency electronic ballast.
Fig. 2 is the fundamental diagram of recommending the output high-frequency electronic ballast.
Embodiment
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing:
As depicted in figs. 1 and 2; a kind of output high-frequency electronic ballast of recommending of the present utility model; it comprises low-pass filter circuit; rectification circuit; circuit of power factor correction; the integral sine circuit; gate driver circuit; output amplifier and constant current protective circuit; the input of above-mentioned rectification circuit is connected with the output of low-pass filter circuit circuit; circuit of power factor correction is at the output of rectification circuit; integral sine circuit and circuit of power factor correction are coupled; gate driver circuit and integral sine circuit are coupled; the input of output amplifier is connected with the output of gate driver circuit; circuit of power factor correction adopts pwm pulse width modulated chip; gate driver circuit adopts driving transformer to drive; output amplifier adopts recommends output and cockcroft-walton voltage multiplier circuit, and output has the constant current protective circuit.Above-mentioned low-pass filter circuit is by piezo-resistance VR1; capacitor C 1; C2; C3; C4; inductance L 1 is formed; above-mentioned rectification circuit is by diode D1; D2; D3; D4 forms; above-mentioned circuit of power factor correction is by pwm pulse width modulated chip IC 1; light-coupled isolation chip IC 2; metal-oxide-semiconductor Q1; inductance L 2; capacitor C 5; C9 and peripheral resistance capacitance are formed; above-mentioned integral sine circuit is by inductance L 3; transformer T2; capacitor C 10 is formed; gate driver circuit is by driving transformer T1; resistance R 11; voltage-stabiliser tube Z2 forms; push-pull output circuit is by metal-oxide-semiconductor Q1; Q2; transformer T2 forms; high pressure multiplication of voltage start-up circuit is by a plurality of diode D7; the multistage voltage-multiplying circuit that capacitor C 14 is formed, the constant current protective circuit is made up of C11.
Claims (1)
1; a kind of output high-frequency electronic ballast of recommending; it comprises low-pass filter circuit; rectification circuit; circuit of power factor correction; the integral sine circuit; gate driver circuit; output amplifier and constant current protective circuit; the input of above-mentioned rectification circuit is connected with the output of low-pass filter circuit circuit; circuit of power factor correction is at the output of rectification circuit; integral sine circuit and circuit of power factor correction are coupled; gate driver circuit and integral sine circuit are coupled; the input of output amplifier is connected with the output of gate driver circuit; it is characterized in that circuit of power factor correction adopts pwm pulse width modulated chip; gate driver circuit adopts driving transformer to drive; output amplifier adopts recommends output and cockcroft-walton voltage multiplier circuit, and output has the constant current protective circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108894 CN200997715Y (en) | 2006-10-25 | 2006-10-25 | Push-pull outputting high-frequency electronic ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108894 CN200997715Y (en) | 2006-10-25 | 2006-10-25 | Push-pull outputting high-frequency electronic ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200997715Y true CN200997715Y (en) | 2007-12-26 |
Family
ID=38996149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620108894 Expired - Fee Related CN200997715Y (en) | 2006-10-25 | 2006-10-25 | Push-pull outputting high-frequency electronic ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200997715Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101925242A (en) * | 2010-07-29 | 2010-12-22 | 宁波市鄞州龙源照明电器有限公司 | Electronic ballast with wide voltage input |
| CN114811811A (en) * | 2022-03-07 | 2022-07-29 | 亿茂环境科技股份有限公司 | High-frequency high-voltage potential field kinetic energy sterilization and virus killing device and combination device thereof |
-
2006
- 2006-10-25 CN CN 200620108894 patent/CN200997715Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101925242A (en) * | 2010-07-29 | 2010-12-22 | 宁波市鄞州龙源照明电器有限公司 | Electronic ballast with wide voltage input |
| CN101925242B (en) * | 2010-07-29 | 2012-12-12 | 宁波市鄞州龙源照明电器有限公司 | Electronic ballast with wide voltage input |
| CN114811811A (en) * | 2022-03-07 | 2022-07-29 | 亿茂环境科技股份有限公司 | High-frequency high-voltage potential field kinetic energy sterilization and virus killing device and combination device thereof |
| CN114811811B (en) * | 2022-03-07 | 2024-03-29 | 亿茂环境科技股份有限公司 | High-frequency high-voltage potential field kinetic energy sterilization virus killing device and combined device thereof |
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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: 20071226 Termination date: 20091125 |