CN202068646U - Dual-bridge oscillation metal halide lamp with direct current low-voltage power supply - Google Patents
Dual-bridge oscillation metal halide lamp with direct current low-voltage power supply Download PDFInfo
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- CN202068646U CN202068646U CN2011201104245U CN201120110424U CN202068646U CN 202068646 U CN202068646 U CN 202068646U CN 2011201104245 U CN2011201104245 U CN 2011201104245U CN 201120110424 U CN201120110424 U CN 201120110424U CN 202068646 U CN202068646 U CN 202068646U
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Abstract
The utility model relates to the field of electron technology, and is a dual-bridge oscillation metal halide lamp with a direct current low-voltage power supply, comprising a frequency modulation signal-generator, two bridge type oscillators, a summation coupler, a lamp tube circuit, an overload detection protection circuit and a direct current low-voltage power supply. The synthesized frequency modulation of the dual-bridge oscillators inhibits light scintillation of ''sound resonance'', and the output power is accessed to the lamp tube circuit to generate highlight effect. In the utility model, the novel circuit is unique and high efficient, and the dual-bridge oscillation metal halide lamp with a direct current low-voltage power supply can be widely for large power metal halide lamp illumination under conditions without AC power supply or with inconvenient power supply such as in an automobile, in a train or in a ship.
Description
Technical field
The utility model relates to electronic technology field, specifically is a kind of Dc low voltage power supply doube bridge 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 big, 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 shake 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 doube bridge vibration Metal halogen lamp of high-power lamp load.
The utility model technical solution is: by FM signal generator, bridge-type oscillator 5a, bridge-type oscillator 5b, the addition coupler, tube circuit, overload detection protective circuit and Dc low voltage power supply are formed, bridge-type oscillator 5a and bridge-type oscillator 5b are respectively by ferrimagnetism transformer T1, T2 primary inductance shunt capacitance is a resonant tank, the resonant tank two ends respectively and connect two high-power oscillating tube collector electrodes of PNP and two high-power oscillating tube collector electrodes of NPN, two high-power oscillating tube emitters of PNP connect the Dc low voltage power supply positive pole, two high-power oscillating tube grounded emitters of NPN, fast recovery diode in parallel between four high-power oscillating tube collector electrodes and the emitter, resonant tank two ends cross-couplings also in parallel is to pipe base resistance quiescent biasing and electric capacity positive feedback are constituted bridge-type oscillator, two high-power oscillating tube base stages of NPN 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 is through coupling capacitance, resistance inserts bridge-type oscillator 5a and bridge-type oscillator 5b mouthpiece, suppress light flash through oscillating tube interelectrode capacitance modulating oscillation frequency, bridge-type oscillator 5a and bridge-type oscillator 5b power output are synthetic by ferrimagnetism transformer T1 and the anti-phase access addition of T2 secondary inductance coupler primary inductance power respectively, the addition coupler secondary inductance access tube circuit that boosts, the overload detection protective circuit by the lamp load electric current through magnet ring inductance induced potential diode detection, detect voltage access interface management and control system oscillating tube, the FM signal generator power end inserts Dc low voltage power supply;
Wherein, FM signal generator constitutes low-frequency oscillator by integrated circuit and resistance, electric capacity, output signal inserts bridge-type oscillator 5a and bridge-type oscillator 5b FM signal mouthpiece through Darlington triode emitter following, suppresses light flash through oscillating tube interelectrode capacitance modulating oscillation frequency;
Tube circuit is by 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 fluorescent tube of pulse firing secondary coil and ground connection joins.
The utility model produces useful good effect: the synthetic frequency modulation of Dc low voltage power supply power supply doube bridge hunting power suppresses light flash, obtain high-power lamp load light efficiency, the synthetic vibration of capacitance-resistance cross-couplings doube bridge hunting power is very strong, the complementary series feed power supply of oscillating circuit, the high electric current of supply voltage is little, significantly reduces power consumption and increases power output.Not only efficient, opposite three rank of collector current phase place and high-order odd harmonic are zero, and even-order harmonic is cancelled out each other, and is output as pure sine wave.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
Fig. 2 bridge-type oscillator circuit
Synthetic and the overload detection protective circuit of Fig. 3 doube bridge hunting power
Fig. 4 FM signal generator circuit
Fig. 5 tube circuit
Specific implementation method
With reference to Fig. 1; 2 (Fig. 2 is an example with bridge-type oscillator 5a circuit; bridge-type oscillator 5b circuit is identical) and Fig. 3; the utility model specific implementation method and embodiment: by FM signal generator 4; bridge-type oscillator 5a; bridge-type oscillator 5b; addition coupler 6; tube circuit 2; overload detection protective circuit 1 and Dc low voltage power supply 3 are formed; bridge-type oscillator 5a and bridge-type oscillator 5b are respectively by ferrimagnetism transformer T1; T2 primary inductance L1 shunt capacitance C0 is a resonant tank; the resonant tank two ends respectively and meet two high-power oscillating tube Q1 of PNP; Q2 collector electrode and two high-power oscillating tube Q3 of NPN; the Q4 collector electrode; two high-power oscillating tube Q1 of PNP; the Q2 emitter connects Dc low voltage power supply 3 positive poles; two high-power oscillating tube Q3 of NPN; the Q4 grounded emitter; four high-power oscillating tube Q1; Q2 and Q3; fast recovery diode VD1 in parallel between Q4 collector electrode and the emitter; VD2 and VD3; VD4; resonant tank two ends cross-couplings also in parallel arrives pipe base resistance R1; R2 and R3; R4 quiescent biasing and capacitor C 1; C2 and C3; the C4 positive feedback constitutes bridge-type oscillator; two high-power oscillating tube Q3 of NPN; the Q4 base stage also meets control signal mouthpiece Q5; the Q6 collector electrode; mouthpiece Q5; the Q6 base stage; collector electrode meets voltage negative feedback biasing resistor R5; R6; grounded emitter; FM signal generator 4 output signals are through coupling capacitance C5; resistance R 7; R8 inserts bridge-type oscillator 5a and bridge-type oscillator 5b mouthpiece Q5; Q6; through oscillating tube Q3; Q4 interelectrode capacitance modulating oscillation frequency suppresses light flash; bridge-type oscillator 5a and bridge-type oscillator 5b power output are synthetic by ferrimagnetism transformer T1 and the anti-phase access addition of T2 secondary inductance L2 coupler 6 primary inductance power respectively; addition coupler 6 secondary inductance are boosted and are inserted tube circuit 2; overload detection protective circuit 1 by the lamp load electric current through the 3 induced potential diode VD5 detections of magnet ring inductance L; detect voltage through capacitor C 6 filtering; resistance R 9; R10 current limliting access interface pipe Q5; Q6 control oscillating tube Q3; Q4; when fluorescent tube loose contact or lamp load short circuit produce big electric current; detect voltage and make Q5; the Q6 saturation conduction; oscillating tube Q3; Q4 and Q1; Q2 plays protection immediately by failure of oscillation.FM signal generator 4 power ends insert Dc low voltage power supply 3.Fast recovery diode VD1, VD2 and VD3, VD4 protection oscillating tube are avoided high back-pressure and are punctured.
Bridge-type oscillator is by PNP, the push-pull oscillator of two symmetrical capacitance-resistance cross-couplings of complementation of NPN triode intercouples and forms, the push-pull oscillator of capacitance-resistance cross-couplings is actual to be the directly continuous two-stage LC frequency selective amplifier of output input, high-power oscillating tube Q1, Q2 and Q3, the Q4 angle of flow is 90 degree alternations, output current is half cosine wave pulse, it is very strong to vibrate, through resonant tank decay harmonic wave, opposite three rank of collector current phase place and high-order odd harmonic are zero, even-order harmonic is cancelled out each other, make lamp load be output as pure sine wave, not only efficient, the complementary series feed power supply of oscillating tube, the high electric current of supply voltage is little, reduces power consumption and increases power output.
General large power triode constitutes the fluorescent tube of bridge vibration power output about can only mesh power 50W, when requiring more high-power output for example to mate the 100W lamp load, only several the direct parallel operations of device can not be satisfactory, the synthetic stack of doube bridge hunting power power output effect is remarkable, to two push away the mutual anti-phase excitation of vibration power output by addition coupler 6, two output current conversion double summation and deliver to lamp load, balance resistance R11 no power waste when two electric currents equate.
Fig. 4, integrated circuit (IC) 1 adopts LM567, produce 160HZ left and right sides low-frequency square-wave through 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 Q7 emitter following, insert bridge-type oscillator 5b FM signal mouthpiece Q5, Q6 in resistance R 15 output signals, oscillating tube Q3, Q4 interelectrode capacitance are modulated oscillator frequency, low frequency signal constantly changes around the centre frequency of reference signal locking, lamp electric arc can't form the standing wave resonance point, avoids Metal halogen lamp " acoustic resonance " color break-up.Capacitor C 7 bypass over the ground.
Fig. 5, tube circuit 2 makes bidirectional trigger diode VD6 conducting at the startup moment addition coupler 6 output high pressure of turning on light through capacitor C 11, C12, resistance R 17, R18, electric current is through the elementary L4 of pulse firing coil, the inductive secondary L5 generation high-voltage pulse that boosts, igniting triggers Metal halogen lamp G gas breakdown conducting, and the lamp startup is ignited luminous.
Embodiment Dc low voltage power supply battery tension 48V, doube bridge frequency of oscillation 47KHZ, FM signal frequency 160HZ, frequency modulation 2KHZ suppresses color break-up, output coupling 100W Metal halogen lamp pipe, inversion efficiency 83%.
Claims (3)
1. Dc low voltage power supply doube bridge vibration Metal halogen lamp; it is characterized in that: by FM signal generator; bridge-type oscillator (5a); bridge-type oscillator (5b); the addition coupler; tube circuit; overload detection protective circuit and Dc low voltage power supply are formed; bridge-type oscillator (5a) and bridge-type oscillator (5b) are respectively by ferrimagnetism transformer (T1); (T2) the primary inductance shunt capacitance is a resonant tank; the resonant tank two ends respectively and connect two high-power oscillating tube collector electrodes of PNP and two high-power oscillating tube collector electrodes of NPN; two high-power oscillating tube emitters of PNP connect the Dc low voltage power supply positive pole; two high-power oscillating tube grounded emitters of NPN; fast recovery diode in parallel between four high-power oscillating tube collector electrodes and the emitter; resonant tank two ends cross-couplings also in parallel is to pipe base resistance quiescent biasing and electric capacity positive feedback are constituted bridge-type oscillator; two high-power oscillating tube base stages of NPN 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 is through coupling capacitance; resistance inserts bridge-type oscillator (5a) and bridge-type oscillator (5b) mouthpiece; suppress light flash through 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 bridge-type oscillator (5b) power output for bridge-type oscillator (5a); the addition coupler secondary inductance access tube circuit that boosts; the overload detection protective circuit by the lamp load electric current through magnet ring inductance induced potential diode detection; detect voltage access interface management and control system oscillating tube, the FM signal generator power end inserts Dc low voltage power supply.
2. Dc low voltage power supply doube bridge vibration Metal halogen lamp according to claim 1, it is characterized in that: FM signal generator constitutes low-frequency oscillator by integrated circuit and resistance, electric capacity, output signal inserts bridge-type oscillator (5a) and bridge-type oscillator (5b) FM signal mouthpiece through Darlington triode emitter following, suppresses light flash through oscillating tube interelectrode capacitance modulating oscillation frequency.
3. Dc low voltage power supply doube bridge vibration Metal halogen lamp according to claim 1, it is characterized in that: tube circuit is by 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 fluorescent tube of pulse firing secondary coil and ground connection joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201104245U CN202068646U (en) | 2011-04-03 | 2011-04-03 | Dual-bridge oscillation metal halide lamp with direct current low-voltage power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201104245U CN202068646U (en) | 2011-04-03 | 2011-04-03 | Dual-bridge oscillation metal halide lamp with direct current low-voltage power supply |
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| CN202068646U true CN202068646U (en) | 2011-12-07 |
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| CN2011201104245U Expired - Fee Related CN202068646U (en) | 2011-04-03 | 2011-04-03 | Dual-bridge oscillation metal halide lamp with direct current low-voltage power supply |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327708A (en) * | 2013-04-15 | 2013-09-25 | 阮树成 | Solar energy power source four-full-bridge injection phase-locking power synthesis metal halogen lamp |
| CN104105277A (en) * | 2013-04-15 | 2014-10-15 | 梅玉刚 | Double-full-bridge injection phase-locking power synthesis halogen lamp group |
| CN104105278A (en) * | 2013-04-15 | 2014-10-15 | 阮雪芬 | Double-half-bridge injection phase-locking power synthesis halogen lamp group |
| CN104105315A (en) * | 2013-04-15 | 2014-10-15 | 张妙娟 | DC low-voltage power supply four-push injection phase-locking power synthesis low-pressure sodium lamp group |
| CN104105291A (en) * | 2013-04-15 | 2014-10-15 | 阮树成 | Solar power supply double-full-bridge injection-locking phase power synthesis metal halide lamp |
| CN104105299A (en) * | 2013-04-15 | 2014-10-15 | 阮雪芬 | Double-half-bridge injection phase-locking power synthesis metal halide lamp |
| CN104105309A (en) * | 2013-04-15 | 2014-10-15 | 梅玉刚 | Double-full-bridge injection phase-locking power synthesis low-pressure sodium lamp |
| CN104105321A (en) * | 2013-04-15 | 2014-10-15 | 阮雪芬 | Solar power supply four-push-pull injection phase-locking power synthesis fluorescent lamp group |
| CN104105296A (en) * | 2013-04-15 | 2014-10-15 | 梅玉刚 | Double-full-bridge injection phase-locking power synthesis electrodeless lamp group |
| CN104105295A (en) * | 2013-04-15 | 2014-10-15 | 梅玉刚 | Double-full-bridge injection phase-locking power-synthesizing metal halide lamp |
| CN104105307B (en) * | 2013-04-15 | 2016-11-23 | 阮树成 | DC low voltage power supply four-push-pull injection lock power combing high-pressure mercury lamp |
| CN104105276B (en) * | 2013-04-15 | 2017-01-25 | 阮树成 | Solar power supply four-full-bridge injection-locking power synthesis halogen lamp group |
-
2011
- 2011-04-03 CN CN2011201104245U patent/CN202068646U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103327708A (en) * | 2013-04-15 | 2013-09-25 | 阮树成 | Solar energy power source four-full-bridge injection phase-locking power synthesis metal halogen lamp |
| CN104105277A (en) * | 2013-04-15 | 2014-10-15 | 梅玉刚 | Double-full-bridge injection phase-locking power synthesis halogen lamp group |
| CN104105278A (en) * | 2013-04-15 | 2014-10-15 | 阮雪芬 | Double-half-bridge injection phase-locking power synthesis halogen lamp group |
| CN104105315A (en) * | 2013-04-15 | 2014-10-15 | 张妙娟 | DC low-voltage power supply four-push injection phase-locking power synthesis low-pressure sodium lamp group |
| CN104105291A (en) * | 2013-04-15 | 2014-10-15 | 阮树成 | Solar power supply double-full-bridge injection-locking phase power synthesis metal halide lamp |
| CN104105299A (en) * | 2013-04-15 | 2014-10-15 | 阮雪芬 | Double-half-bridge injection phase-locking power synthesis metal halide lamp |
| CN104105309A (en) * | 2013-04-15 | 2014-10-15 | 梅玉刚 | Double-full-bridge injection phase-locking power synthesis low-pressure sodium lamp |
| CN104105321A (en) * | 2013-04-15 | 2014-10-15 | 阮雪芬 | Solar power supply four-push-pull injection phase-locking power synthesis fluorescent lamp group |
| CN104105296A (en) * | 2013-04-15 | 2014-10-15 | 梅玉刚 | Double-full-bridge injection phase-locking power synthesis electrodeless lamp group |
| CN104105295A (en) * | 2013-04-15 | 2014-10-15 | 梅玉刚 | Double-full-bridge injection phase-locking power-synthesizing metal halide lamp |
| CN103327708B (en) * | 2013-04-15 | 2015-04-29 | 阮树成 | Solar energy power source four-full-bridge injection phase-locking power synthesis metal halogen lamp |
| CN104105291B (en) * | 2013-04-15 | 2016-08-24 | 阮树成 | Sun-generated electric power is enjoyed a double blessing bridge injection phase-locking power combing Metal halogen lamp |
| CN104105307B (en) * | 2013-04-15 | 2016-11-23 | 阮树成 | DC low voltage power supply four-push-pull injection lock power combing high-pressure mercury lamp |
| CN104105276B (en) * | 2013-04-15 | 2017-01-25 | 阮树成 | Solar power supply four-full-bridge injection-locking power synthesis halogen lamp group |
| CN104105315B (en) * | 2013-04-15 | 2017-04-12 | 张妙娟 | DC low-voltage power supply four-push -pull injection phase-locking power synthesis low-pressure sodium lamp group |
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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: 20111207 Termination date: 20130403 |