CN1713794B - Special controlling IC and thick-membrane circuit for electronic ballast resistor of HID light - Google Patents
Special controlling IC and thick-membrane circuit for electronic ballast resistor of HID light Download PDFInfo
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- CN1713794B CN1713794B CN2004100251595A CN200410025159A CN1713794B CN 1713794 B CN1713794 B CN 1713794B CN 2004100251595 A CN2004100251595 A CN 2004100251595A CN 200410025159 A CN200410025159 A CN 200410025159A CN 1713794 B CN1713794 B CN 1713794B
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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
Abstract
A low- frequency oscillator is set in the IC and thick film circuit. A special loop is used to control high-frequency oscillator and to inhibit acoustic resonance of HID luminous tube. A starting and control circuit of HID luminous tube is set in thick film circuit to start and control HID luminous tube.
Description
Technical field
The application relates to a kind of HID electronic lamp ballast, particularly relates to special-purpose control IC of a kind of HID electronic lamp ballast and thick film circuit.
Background technology
HID lamp particularly sodium vapor lamp, metal halide lamp all is to utilize fluorescent lamp, electricity-saving lamp with IC and IC and loose mail combination with electric ballast basically, and the application-specific integrated circuit circuit is too complicated, and only accomplishes 35W, is difficult for promotion and application.
Summary of the invention
The present invention is the patent that continues of patent (01132137.7), has accomplished application-specific integrated circuit and thick film circuit, IC of the present invention and thick film circuit set inside low-frequency oscillator, utilize the frequency change of special loop control high-frequency generator, suppress the acoustic resonance phenomenon of HID fluorescent tube.In the IC thick film, be provided with the HID lamp and start and control circuit, the HID lamp is implemented to start and control automatically.
The present invention adopts following technical scheme:
The special-purpose control integrated circuit of a kind of HID electronic lamp ballast; Comprise low-frequency oscillator, comparator and high-frequency generator; Said low-frequency oscillator is connected the input of high-frequency generator through the resistance R 3 and the series loop of capacitor C 2; The end of C2 is connected with resistance R 3, and the other end of resistance R 3 is received the input of high-frequency generator with the output of comparator, and the output signal that said high-frequency generator produces import startup of HID lamp and control circuit thereof behind frequency divider.
The circuit structure of said low-frequency oscillator is: resistance R 1 one ends link to each other with an end of resistance R 1 '; Another termination DC power supply of R1 ', on the tie point of the end of another termination bidirectional trigger diode D1 of R1 and capacitor C 1, C2, the end of the other end connecting resistance R2 of D1; The other end ground connection of R2; The other end ground connection of C1, the other end of C2 is connected with an end of resistance R 3, and the other end of R3 connects the input of high-frequency generator with an end of current detecting unit output voltage U 2.
Said low-frequency oscillator is a kind of in the set formed of saw-toothed wave generator, triangular-wave generator and sine-wave generator.
Said HID lamp starts and the circuit structure of control circuit is: a termination DC power supply of resistance R 4; On the end of the other end connecting resistance R5 of R4 and the point that the drain electrode of triode V1 links to each other, on the end of another termination external capacitor C4 of R5 and the point that an end of the N2 winding of transformer T2 is connected, the other end ground connection of C4; The source ground of V1; The grid of V1 links to each other with the positive pole of voltage stabilizing didoe D2, and the negative pole of D2 links to each other with an end of resistance R 6, and the other end of R6 is connected on the point that positive pole one end of an end, the capacitor C 3 of an end of resistance R 7 and resistance R 8 is connected; The negative pole one end ground connection of the other end of resistance R 7 and capacitor C 3; The negative pole of another termination rectifier diode D3 of resistance R 8, an end of the N3 winding of the cathode connecting transformer T2 of diode D3, the other end ground connection of the winding of N3; The end ground connection of turnover diode D4, the other end of the N2 winding of another termination transformer T2 of diode D4.
The present invention makes that the HID electronic lamp ballast is simple in structure, reliability strengthens, and can realize that the HID electronic lamp ballast is large-scale to produce and promote.
Description of drawings
Fig. 1 is a logic diagram of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3 is the circuit theory diagrams of low-frequency oscillator of the present invention;
Fig. 4 is starter of the present invention and control circuit schematic diagram thereof.
Embodiment
Logic diagram of the present invention such as Fig. 1, pin function such as table 1, HID electronic lamp ballast circuit theory such as Fig. 2.After the circuit energized, the DC power supply voltage of IC and thick film circuit rises to 10V when above, and the internal electric source power supply is started working.At first high-frequency generator output high-frequency oscillation signal is delivered to output 1 and output 2 respectively through frequency divider.Every road voltage is 10-15V, and electric current 0.7A square wave driving signal, the power tube of half-bridge circuit begin conducting by turns.The high-voltage pulse signal of start-up circuit output is simultaneously lighted fluorescent tube to the winding N2 of transformer T2, when the input signal of pin 10 during to the control circuit of starter, closes start-up circuit.After a period of time, press under the control of resultant voltage U0 of setting voltage U2 and low-frequency voltage U1 the beginning operate as normal.When 5 pin detect no fluorescent tube or open circuit, close output 1 and output 2, ballast quits work
The invention is characterized in high-frequency generator by 2 controls of the voltage U of a low-frequency voltage U1 and setting, making output frequency is the center work that moves around with setpoint frequency F, has suppressed acoustic resonance.Low-frequency voltage U1 of the present invention is produced by low-frequency oscillator shown in Figure 3.After the energized, D.C. regulated power supply charges to capacitor C 1 through outer meeting resistance R1 ' and resistance R 1 series connection back, when voltage reaches the puncture voltage of trigger tube D1; Capacitor C 1 is through resistance R 2 discharges; The work that so goes round and begins again has produced a low frequency sawtooth voltage signal U1, and this signal is sent into the input of high-frequency generator through the resistance R 3 and the series loop of capacitor C 2; The frequency of voltage U 0 control generator after the stack of the voltage U 2 of such sawtooth voltage and setting; Thereby the frequency of oscillation of output is changed about the frequency F of a certain setting back and forth, and F is determined that by voltage U 2 scope of variation is by voltage U 1 decision; U1 is controlled by external potentiometer R1 ', and U2 is regulated by external potentiometer R11.Can certainly get the low-frequency oscillator for Fig. 3 with other sawtooth waveforms, triangular wave, sine-wave oscillator, the input of high-frequency generator is sent in the loop of connecting with capacitor C 2 through resistance R 3 equally.
Characteristic of the present invention also is the startup of HID fluorescent tube, by starter and control circuit control thereof, like Fig. 4.Behind the power connection, after D.C. regulated power supply passes through resistance R 4 and R5 connects, give external capacitor C4 charging; When the voltage on the C4 reached turnover diode D4 conducting voltage, the voltage on the capacitor C 4 was through N2 winding and the turnover diode D4 discharge of transformer T2; Moment produces a pulse voltage about the 190-260 volt, produces several kilovolts of high voltage pulses at the N1 of transformer T2 winding, and this voltage is got through the HID fluorescent tube; Light the HID fluorescent tube, start working.In case the HID fluorescent tube is started working, the N3 winding of transformer T2 produces one 20 volts voltage, through after resistance R 8 and the R7 dividing potential drop, sends into the grid of triode V1 through resistance R 6 and voltage stabilizing didoe D2, V1 is guaranteed adequate food and conducting, closes starter.
It is to connect like this that the present invention suppresses the acoustic resonance circuit.Resistance R 1 one ends link to each other with the end of R1 '; Another termination DC power supply of R1 ', on the tie point of the end of another termination bidirectional trigger diode D1 of R1 and capacitor C 1, C2, the end of the other end connecting resistance R2 of D1; The other end ground connection of R2; The other end ground connection of capacitor C 1, the other end of C2 links to each other with an end of resistance R 3, and the other end of R3 is received the input (U0=U1+U2) of voltage controlled oscillator with an end of current detecting unit output voltage U 2.Certainly also available other sawtooth waveforms, triangular wave, sine-wave generator.
Starter of the present invention and control circuit thereof are to connect like this, on the termination DC power supply of resistance R 4, the end of the other end connecting resistance R5 of R4 and point that the drain electrode of triode V1 is connected; On the end of another termination external capacitor C4 of R5 and the point that an end of the N2 winding of transformer T2 is connected; The other end ground connection of C4, the source ground of V1, the grid of V1 links to each other with the positive pole of voltage stabilizing didoe D2; The negative pole of D2 links to each other with an end of resistance R 6; The other end of R6 is connected on the point that positive pole one end of an end, the capacitor C 3 of an end of resistance R 7 and resistance R 8 is connected, the negative pole one end ground connection of the other end of resistance R 7 and capacitor C 3, the negative pole of another termination rectifier diode D3 of resistance R 8; One end of the N3 winding of the cathode connecting transformer T2 of diode D3; The other end ground connection of the winding of N3, the end ground connection of turnover diode D4, the other end of the N2 winding of another termination transformer T2 of diode D4.
Embodiments of the invention, like Fig. 2, this figure also is circuit theory diagrams.Fig. 1 is the logic diagram of IC, and Fig. 3 is the circuit theory diagrams of low-frequency oscillator, and Fig. 4 is starter and control circuit schematic diagram thereof.
The special-purpose thick mould IC pin function table of table 1
| Pin number | Function | Pin number | Function |
| 1 | Output current detects input | 7 | The guard signal input |
| 2 | Drive output | 8 | The control voltage-regulation |
| 3 | Drive output | 9 | The 15V DC power supply |
| 4 | Ground | 10 | The enabling signal input |
| 5 | LFO Frequency is regulated | 11 | Pulse output |
| 6 | The 400V power supply | 12 | Pulse output |
Claims (4)
1. the special-purpose control integrated circuit of a HID electronic lamp ballast; Comprise low-frequency oscillator, comparator and high-frequency generator; Said low-frequency oscillator is connected the input of high-frequency generator through the resistance R 3 and the series loop of capacitor C 2; The end of C2 is connected with resistance R 3, and the other end of resistance R 3 is received the input of high-frequency generator with the output of comparator, and the output signal that said high-frequency generator produces import startup of HID lamp and control circuit thereof behind frequency divider.
2. according to the special-purpose control integrated circuit of the described HID electronic lamp ballast of claim 1; It is characterized in that the circuit structure of said low-frequency oscillator is: resistance R 1 one ends link to each other with an end of resistance R 1 ', another termination DC power supply of R1 '; On the tie point of the end of another termination bidirectional trigger diode D1 of R1 and capacitor C 1, C2; The end of the other end connecting resistance R2 of D1, the other end ground connection of R2, the other end ground connection of C1; The other end of C2 is connected with an end of resistance R 3, and the other end of R3 connects the input of high-frequency generator with an end of current detecting unit output voltage U 2.
3. according to the special-purpose control integrated circuit of the described HID electronic lamp ballast of claim 1, it is characterized in that said low-frequency oscillator is a kind of in the set formed of saw-toothed wave generator, triangular-wave generator and sine-wave generator.
4. according to the special-purpose control integrated circuit of the described HID electronic lamp ballast of claim 1; It is characterized in that: said HID lamp starts and the circuit structure of control circuit is: a termination DC power supply of resistance R 4; On the end of the other end connecting resistance R5 of R4 and the point that the drain electrode of triode V1 links to each other, on the end of another termination external capacitor C4 of R5 and the point that an end of the N2 winding of transformer T2 is connected, the other end ground connection of C4; The source ground of V1; The grid of V1 links to each other with the positive pole of voltage stabilizing didoe D2, and the negative pole of D2 links to each other with an end of resistance R 6, and the other end of R6 is connected on the point that positive pole one end of an end, the capacitor C 3 of an end of resistance R 7 and resistance R 8 is connected; The negative pole one end ground connection of the other end of resistance R 7 and capacitor C 3; The negative pole of another termination rectifier diode D3 of resistance R 8, an end of the N3 winding of the cathode connecting transformer T2 of diode D3, the other end ground connection of the winding of N3; The end ground connection of turnover diode D4, the other end of the N2 winding of another termination transformer T2 of diode D4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004100251595A CN1713794B (en) | 2004-06-15 | 2004-06-15 | Special controlling IC and thick-membrane circuit for electronic ballast resistor of HID light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004100251595A CN1713794B (en) | 2004-06-15 | 2004-06-15 | Special controlling IC and thick-membrane circuit for electronic ballast resistor of HID light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1713794A CN1713794A (en) | 2005-12-28 |
| CN1713794B true CN1713794B (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004100251595A Expired - Fee Related CN1713794B (en) | 2004-06-15 | 2004-06-15 | Special controlling IC and thick-membrane circuit for electronic ballast resistor of HID light |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101321423B (en) * | 2008-07-10 | 2012-05-16 | 苏州金三元照明电器有限公司 | Road lamp electric ballast |
| CN104812151B (en) * | 2015-05-15 | 2018-04-24 | 武汉尚智通科技有限公司 | A kind of electronic high frequency ballast |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305828Y (en) * | 1997-04-01 | 1999-01-27 | 陈曾义 | Universal ac electronic ballast |
| CN1422106A (en) * | 2001-11-26 | 2003-06-04 | 优志旺电机株式会社 | Optical source apparatus |
-
2004
- 2004-06-15 CN CN2004100251595A patent/CN1713794B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305828Y (en) * | 1997-04-01 | 1999-01-27 | 陈曾义 | Universal ac electronic ballast |
| CN1422106A (en) * | 2001-11-26 | 2003-06-04 | 优志旺电机株式会社 | Optical source apparatus |
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| Publication number | Publication date |
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| CN1713794A (en) | 2005-12-28 |
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