CN201957323U - Direct current low voltage power double push-pull oscillation metal halide lamp - Google Patents
Direct current low voltage power double push-pull oscillation metal halide lamp Download PDFInfo
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- CN201957323U CN201957323U CN2011201103558U CN201120110355U CN201957323U CN 201957323 U CN201957323 U CN 201957323U CN 2011201103558 U CN2011201103558 U CN 2011201103558U CN 201120110355 U CN201120110355 U CN 201120110355U CN 201957323 U CN201957323 U CN 201957323U
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- pull oscilator
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Abstract
The utility model relates to the technical field of electronics, in particular to a direct current low voltage power double push-pull oscillation metal halide lamp, which consists of a frequency-modulated signal generator, two push-pull oscillators, an adding coupler, a lamp tube circuit, an overload detective protection circuit and a direct current low voltage power, wherein the power of the two push-pull oscillators is synthetized into frequency modulation so as to restrain acoustic resonance light to glitter, and the output power is accessed into the lamp tube circuit to generate stable high light effect. In the utility model, the circuit is unique and efficient, and the lamp is widely used in occasions where have no alternating current electricity supply or is inconvenient to supply electricity, such as an automobile, a train and a ship for illumination.
Description
Technical field
The utility model relates to electronic technology field, specifically is a kind of Dc low voltage power supply double push-pull vibration Metal halogen lamp.
Background technology
The Metal halogen lamp HID of automobile, train, the power supply of ship DC low-voltage power supply, the photoelectric conversion efficiency height can produce floodlighting, is suitable for the inside and outside illumination of car and boat, throws light on as automobile headlamp.Metal halogen lamp is that a kind of high intensity discharge is luminous, and operating voltage is at hundreds of volts, and ignition trigger voltage just can ignite more than 3KV usually.DC low-voltage power supply power supply metal halogen lamp electric core is a DC-AC inverter.Lamp load power adopts large power triode or metal-oxide-semiconductor field effect transistor push-pull oscillator mode to work when the 25W left and right sides, obtains effect preferably.But Metal halogen lamp power is all bigger, and drive current is corresponding bigger, and at this moment the power device of inverter power consumption sharply increases, because the car and boat inner space is limit the radiator volume can not do the very high meeting of big heating up and burnt out components and parts, cisco unity malfunction.In addition, Metal halogen lamp high frequency electric source power supply very easily produces " acoustic resonance " light flash, and the wave impulse of fluorescent tube internal pressure forms standing wave from the tube wall reflection when identical with the high-frequency current harmonic phase, and the unstable light flash of guiding discharge electric arc is dizzy to the human eye generation.
Summary of the invention
The purpose of this utility model provides the Dc low voltage power supply power supply, drags a kind of Dc low voltage power supply double push-pull vibration Metal halogen lamp of high-power lamp load.
The utility model technical solution is: by FM signal generator, pusb pull oscilator 6a, pusb pull oscilator 6b, the addition coupler, tube circuit, overload detection protective circuit and Dc low voltage power supply are formed, pusb pull oscilator 6a and pusb pull oscilator 6b are respectively by ferrimagnetism transformer T1, T2 primary inductance shunt capacitance is a resonant tank, its inductance centre cap inserts Dc low voltage power supply through high frequency choke inductance and shunt capacitance, simultaneously, the FM signal generator power end inserts Dc low voltage power supply, the resonant tank two ends respectively and connect two high-power oscillating tube collector electrodes, emitter series resistance ground connection, resonant tank two ends cross-couplings also in parallel constitutes pusb pull oscilator to pipe base resistance quiescent biasing and electric capacity positive feedback, two high-power oscillating tube base stages also connect control signal mouthpiece collector electrode, the mouthpiece base stage, collector electrode connects voltage negative feedback biasing resistor, grounded emitter, the FM signal generator output signal inserts pusb pull oscilator 6a and pusb pull oscilator 6b mouthpiece, suppress light flash by oscillating tube interelectrode capacitance modulating oscillation frequency, pusb pull oscilator 6a and pusb pull oscilator 6b power output are synthetic by ferrimagnetism transformer T1 and the anti-phase access addition of T2 secondary inductance coupler primary inductance power respectively, addition coupler secondary inductance power is synthetic, the access tube circuit boosts, the overload detection protective circuit through magnet ring inductance induced potential diode detection, detects voltage access interface management and control system oscillating tube by the lamp load electric current;
Wherein, FM signal generator constitutes low-frequency oscillator by integrated circuit LM567 and resistance, electric capacity, the output square-wave signal inserts pusb pull oscilator 6a and pusb pull oscilator 6b mouthpiece through resistance, the single T integral triangle of electric capacity RC ripple by Darlington triode emitter following, suppresses light flash by oscillating tube interelectrode capacitance modulating oscillation frequency;
Tube circuit is addition coupler secondary inductance one end ground connection, the other end inserts the tie point of pulse firing coil primary and secondary through electric capacity, this contact is in addition through the capacitances in series earth resistance, and on the contact of capacitance resistance series connection, join with bidirectional trigger diode, bidirectional trigger diode series connection pulse firing primary coil, the Metal halogen lamp pipe of pulse firing secondary coil and ground connection joins.
The utility model produces good effect: Dc low voltage power supply power supply double push-pull hunting power is synthetic, avoiding the temperature rise frequency of oscillation to change the unbalance light of voltage amplitude descends, frequency modulation suppresses light flash, obtain the stable high light efficiency of high-power lamp load, capacitance-resistance cross-couplings double push-pull vibration is not only efficient, and it is very strong to vibrate, and even-order harmonic is cancelled out each other, reduce the inverter power device power consumption, be widely used in the occasion illumination that does not have AC power or power supply inconvenience.
Description of drawings
Fig. 1 technical solutions of the utility model functional-block diagram
The two synthetic and overload detection protective circuits of hunting power that push away of Fig. 2
Fig. 3 FM signal generator
Fig. 4 tube circuit
Specific implementation method
With reference to Fig. 1; 2 (Fig. 2 is an example with pusb pull oscilator 6a circuit; pusb pull oscilator 6b circuit is identical); the utility model specific implementation method and embodiment: by FM signal generator 2; double push-pull oscillator 6; addition coupler 5; tube circuit 4; overload detection protective circuit 3 and Dc low voltage power supply 1 are formed; double push-pull oscillator 6 is divided into pusb pull oscilator 6a and pusb pull oscilator 6b; respectively by ferrimagnetism transformer T1; T2 primary inductance L0 shunt capacitance C4 is a resonant tank; its inductance centre cap inserts Dc low voltage power supply 1 through high frequency choke inductance L 2 and shunt capacitance C6; simultaneously; FM signal generator 2 power ends insert Dc low voltage power supply 1; pusb pull oscilator 6a and pusb pull oscilator 6b resonant tank two ends are respectively and meet two high-power oscillating tube Q1; the Q2 collector electrode; emitter series resistance R3; R6 ground connection; resonant tank two ends cross-couplings also in parallel arrives pipe base resistance R1; R2 quiescent biasing and capacitor C 1; the C2 positive feedback constitutes pusb pull oscilator; two high-power oscillating tube Q1; the Q2 base stage also meets control signal mouthpiece Q3; the Q4 collector electrode; mouthpiece Q3; the Q4 base stage; collector electrode meets voltage negative feedback biasing resistor R4; R5; grounded emitter; FM signal generator 2 output signals insert pusb pull oscilator 6a and pusb pull oscilator 6b mouthpiece Q3; Q4; by oscillating tube Q1; Q2 interelectrode capacitance modulating oscillation frequency suppresses light flash; pusb pull oscilator 6a and pusb pull oscilator 6b power output are synthetic by ferrimagnetism transformer T1 and the anti-phase access addition of T2 secondary inductance coupler 5 primary inductance power respectively, and addition coupler 5 secondary inductance power are synthetic; boost and insert tube circuit 4.
Overload detection protective circuit 3 by the lamp load electric current through the 1 induced potential diode VD3 detection of magnet ring inductance L; detect voltage through capacitor C 3 filtering; resistance R 8, R9 access interface pipe Q3, Q4 control oscillating tube Q1, Q2; when fluorescent tube loose contact or lamp load short circuit produce big electric current; detect voltage and make Q3, Q4 saturation conduction; oscillating tube Q1, Q2 shield by failure of oscillation.Diode VD1, VD2 protection oscillating tube is avoided high back-pressure and is punctured.
Capacitance-resistance cross-couplings pusb pull oscilator is actual to be to export the LC frequency-selecting dual-stage amplifier of directly linking input, two high-power oscillating tube Q1, Q2 be in turn saturated with end, with zero quiescent current half period conducting, it is very strong to vibrate, opposite three rank of collector current phase place and high-order odd harmonic are zero, not only efficient, and have even-order harmonic and cancel out each other, reduce the inverter power device power consumption, lowlyer be suppressed at resonant inductance centre cap feedback and connect power supply and seal in high frequency choke inductance and shunt capacitance, make lamp load be output as pure sine wave.
General large power triode constitutes push-pull oscillator power output coupling 25W left and right sides fluorescent tube, when requiring more high-power output for example to mate the 50W lamp load, only several the direct parallel operations of device can not be satisfactory, the synthetic stack of double push-pull hunting power power output effect is remarkable, to two push away the mutual anti-phase excitation of vibration power output by the addition coupler, two output current conversion double summation and deliver to lamp load, balance resistance R11 no power waste when two electric currents equate.
Fig. 3, FM signal generator integrated circuit (IC) 1 adopts LM567, produce the 180HZ low-frequency square-wave by 8 chargings of 12 pairs of capacitor C of resistance R, by resistance R 13, R14 and capacitor C 9 integrations is that triangular wave is through the impedance conversion of Darlington triode Q5 emitter-base bandgap grading, connect pusb pull oscilator 6a and pusb pull oscilator 6b mouthpiece Q3, Q4 in resistance R 15, through oscillating tube Q1, Q2 interelectrode capacitance modulating oscillation frequency, the centre frequency that makes low frequency signal center on the reference signal locking constantly changes, lamp electric arc can't form the standing wave resonance point, avoids Metal halogen lamp " acoustic resonance " color break-up.Capacitor C 7 ground connection are played the bypass effect.
Fig. 4, tube circuit 4 makes bidirectional trigger diode VD4 conducting at the startup synthetic high pressure of moment addition coupler 5 power of turning on light through capacitor C 10, C11, resistance R 16, R17, electric current is through the elementary L3 of pulse firing coil, the inductive secondary L4 generation high-voltage pulse that boosts, igniting triggers Metal halogen lamp G gas breakdown conducting, and the fluorescent tube startup is ignited luminous.
Embodiment dc low-voltage voltage 30V, double push-pull oscillator 47KHZ, FM signal 160HZ, frequency modulation deviation range 2.5KHZ suppresses light flash, and output mesh power 50W Metal halogen lamp pipe twoly pushes away the temperature rise of oscillating tube radiator and is limited in below 30 ℃, inversion efficiency 85%, light is stable not to be dodged.
Claims (3)
1. Dc low voltage power supply double push-pull vibration Metal halogen lamp; it is characterized in that: by FM signal generator; pusb pull oscilator (6a); pusb pull oscilator (6b); the addition coupler; tube circuit; overload detection protective circuit and Dc low voltage power supply are formed; pusb pull oscilator (6a) and pusb pull oscilator (6b) are respectively by ferrimagnetism transformer (T1); (T2) the primary inductance shunt capacitance is a resonant tank; its inductance centre cap inserts Dc low voltage power supply through high frequency choke inductance and shunt capacitance; simultaneously; the FM signal generator power end inserts Dc low voltage power supply; the resonant tank two ends respectively and connect two high-power oscillating tube collector electrodes; emitter series resistance ground connection; resonant tank two ends cross-couplings also in parallel constitutes pusb pull oscilator to pipe base resistance quiescent biasing and electric capacity positive feedback; two high-power oscillating tube base stages also connect control signal mouthpiece collector electrode; the mouthpiece base stage; collector electrode connects voltage negative feedback biasing resistor; grounded emitter; FM signal generator output inserts pusb pull oscilator (6a) and pusb pull oscilator (6b) mouthpiece; suppress light flash by oscillating tube interelectrode capacitance modulating oscillation frequency; the anti-phase access addition of secondary inductance coupler primary inductance power is synthetic by ferrimagnetism transformer (T1) with (T2) respectively with pusb pull oscilator (6b) power output for pusb pull oscilator (6a); addition coupler secondary inductance power is synthetic; the access tube circuit boosts; the overload detection protective circuit through magnet ring inductance induced potential diode detection, detects voltage access interface management and control system oscillating tube by the lamp load electric current.
2. Dc low voltage power supply double push-pull vibration Metal halogen lamp according to claim 1, it is characterized in that: FM signal generator constitutes low-frequency oscillator by integrated circuit LM567 and resistance, electric capacity, the output square-wave signal is integrated into triangular wave and inserts pusb pull oscilator (6a) and pusb pull oscilator (6b) mouthpiece by Darlington triode emitter following through resistance, the single T of electric capacity RC, suppresses light flash by oscillating tube interelectrode capacitance modulating oscillation frequency.
3. Dc low voltage power supply double push-pull vibration Metal halogen lamp according to claim 1, it is characterized in that: tube circuit is addition coupler secondary inductance one end ground connection, the other end inserts the tie point of pulse firing coil primary and secondary through electric capacity, this contact is in addition through the capacitances in series earth resistance, and on the contact of capacitance resistance series connection, join with bidirectional trigger diode, bidirectional trigger diode series connection pulse firing primary coil, the Metal halogen lamp pipe of pulse firing secondary coil and ground connection joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201103558U CN201957323U (en) | 2011-04-03 | 2011-04-03 | Direct current low voltage power double push-pull oscillation metal halide lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201103558U CN201957323U (en) | 2011-04-03 | 2011-04-03 | Direct current low voltage power double push-pull oscillation metal halide lamp |
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| Publication Number | Publication Date |
|---|---|
| CN201957323U true CN201957323U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201103558U Expired - Fee Related CN201957323U (en) | 2011-04-03 | 2011-04-03 | Direct current low voltage power double push-pull oscillation metal halide lamp |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105294A (en) * | 2013-04-15 | 2014-10-15 | 阮树成 | Direct-current low-voltage power supply four-push-pull injection-locking power synthesis metal halide lamp |
| CN104105285A (en) * | 2013-04-15 | 2014-10-15 | 张妙娟 | DC low-voltage double-push injection phase-locking power synthesis black light lamp |
| CN106130366A (en) * | 2016-07-29 | 2016-11-16 | 芜湖迈特电子科技有限公司 | The degree of depth is waterproof and from cooling-down type vehicle-mounted inverter |
| CN106130367A (en) * | 2016-07-29 | 2016-11-16 | 芜湖迈特电子科技有限公司 | From the multifunctional vehicle mounted inverter of cooling-down type |
| CN106208739A (en) * | 2016-07-29 | 2016-12-07 | 芜湖迈特电子科技有限公司 | From cooling-down type slip-off preventing vehicle-mounted inverter |
| CN106208740A (en) * | 2016-07-29 | 2016-12-07 | 芜湖迈特电子科技有限公司 | From cooling-down type high efficiency and heat radiation vehicle-mounted inverter |
-
2011
- 2011-04-03 CN CN2011201103558U patent/CN201957323U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104105294A (en) * | 2013-04-15 | 2014-10-15 | 阮树成 | Direct-current low-voltage power supply four-push-pull injection-locking power synthesis metal halide lamp |
| CN104105285A (en) * | 2013-04-15 | 2014-10-15 | 张妙娟 | DC low-voltage double-push injection phase-locking power synthesis black light lamp |
| CN104105285B (en) * | 2013-04-15 | 2016-12-07 | 张妙娟 | DC low-voltage is double pushes away injection phase-locking power combing black light lamp |
| CN106130366A (en) * | 2016-07-29 | 2016-11-16 | 芜湖迈特电子科技有限公司 | The degree of depth is waterproof and from cooling-down type vehicle-mounted inverter |
| CN106130367A (en) * | 2016-07-29 | 2016-11-16 | 芜湖迈特电子科技有限公司 | From the multifunctional vehicle mounted inverter of cooling-down type |
| CN106208739A (en) * | 2016-07-29 | 2016-12-07 | 芜湖迈特电子科技有限公司 | From cooling-down type slip-off preventing vehicle-mounted inverter |
| CN106208740A (en) * | 2016-07-29 | 2016-12-07 | 芜湖迈特电子科技有限公司 | From cooling-down type high efficiency and heat radiation vehicle-mounted inverter |
| CN106130366B (en) * | 2016-07-29 | 2018-09-28 | 芜湖迈特电子科技有限公司 | Depth waterproof and from cooling-down type vehicle-mounted inverter |
| CN106130367B (en) * | 2016-07-29 | 2018-09-28 | 芜湖迈特电子科技有限公司 | From the multifunctional vehicle mounted inverter of cooling-down type |
| CN106208740B (en) * | 2016-07-29 | 2019-05-10 | 芜湖迈特电子科技有限公司 | From cooling-down type high efficiency and heat radiation vehicle-mounted inverter |
| CN106208739B (en) * | 2016-07-29 | 2019-05-10 | 芜湖迈特电子科技有限公司 | From cooling-down type anti-dropout vehicle-mounted inverter |
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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: 20110831 Termination date: 20130403 |