CN2368253Y - Electronic energy-saving power-supply device for high-voltage sodium lamp - Google Patents

Abstract

The utility model relates to an electronic energy saving power supplying device for a high-voltage sodium lamp. The utility model is composed of a power circuit 1 and a pulse switching circuit 2, wherein, the power circuit 1 comprises a fuse wire BX, a thermal resistor R1, a wave filter T, a capacitor C1, a bridge rectifier BG1, a voltage dependent resistor R2, a filtering capacitor C2, a capacitor C3, an inductor ZL1, a filtering capacitor C4, and a resistor R3; the pulse switching circuit comprises diodes BG2-BG11, triodes Q, Q2, resistors R4-R12, inductors L1, L2, capacitors C5-C9, a filter T2, and an inductor ZL2. The utility model has the advantages of good energy saving effect and stable output current. The utility model also has the advantage that working condition of long service life of high-voltage sodium lamps can be fully met.

Description

The energy-conservation charger of high-pressure sodium lamp electronic

The utility model relates to the energy-conservation charger of a kind of high-pressure sodium lamp electronic, in order to triggering light, normal conversion supplies with sodium vapor lamp with electric energy.

Traditional high-pressure sodium lamp charger is made up of trigger point burner, inductance type ballast and condenser for power factor improvement device.Its shortcoming is: starting current is big, and energy consumption is big, and turning off the light has big pulse current to discharge, and influences the sodium vapor lamp operate as normal life-span.

The purpose of this utility model is to provide a kind of energy-conservation, electric current to export the energy-conservation charger of high-pressure sodium lamp electronic stably.

The utility model is achieved in that the energy-conservation charger of a kind of high-pressure sodium lamp electronic, is made up of power circuit and pulse-switching circuit two parts.Described pulse-switching circuit includes: diode BG ₂～BG ₁₁, triode Q ₁, Q ₂, resistance R ₄～R ₁₃, inductance L ₁, L ₂Or resistance R ₁₄, R ₁₅, capacitor C ₅～C ₉, transformer T ₂With inductance ZL ₂Diode BG ₂Forward end and diode BG ₃Backward end connect BG ₂Backward end and capacitor C ₄Positive terminal connect, and with transistor Q ₁Collector electrode and resistance R ₄One end connects, Q ₁Emitter and inductance L ₁One end connects, Q ₁Base stage and resistance R ₄The other end and resistance R ₅, R ₈, R ₉And capacitor C ₅An end, diode BG ₈Forward end connect diode BG ₈Backward end and diode BG ₉Forward end connect resistance R ₉The other end and diode BG ₆Backward end connect resistance R ₆The other end and diode BG ₆Forward end, capacitor C ₅The other end and transformer T ₂T ₂-L ₁The end of the same name of winding connect; Diode BG ₃Forward end and diode BG ₄Backward end, triode Q ₂Collector electrode, resistance R ₆An end, resistance R ₅, inductance L ₁The other end, diode BG ₉Backward end, T ₂-L ₁The different name end and the T of winding ₂-L ₃The end of the same name of winding connects; Diode BG ₄Forward end and diode BG ₅Backward end connect; Triode Q ₂Emitter and inductance L ₂One end connects, triode Q ₂Base stage and resistance R ₆The other end, resistance R ₇, R ₁₀, R ₁₁And capacitor C ₆An end, diode BG ₁₀Forward end connects, diode BG ₁₀Backward end and diode BG ₁₁Forward end connect resistance R ₁₁The other end and diode BG ₇Backward end connect BG ₇Forward end and resistance R ₁₀, capacitor C ₆The other end, T ₂-L ₂The different name end of winding is connected capacitor C ₄Negative pole end and capacitor C ₉One end, diode BG ₅Forward end, inductance L ₂, resistance R ₇The other end, diode BG ₁₁Backward end, T ₂-L ₂The end of the same name of winding connects.T ₂-L ₃Different name end and matching inductor ZL ₂One end connects, ZL ₂The other end and output C, capacitor C ₇, resistance R ₁₂One end connects, R ₁₂, C ₇The other end and resistance R ₁₃, capacitor C ₈One end connects, resistance R ₁₃, capacitor C ₈, C ₉The other end be connected with output D.Resistance R ₄, R ₅, R ₆, R ₇Be triode Q ₁, Q ₂Base stage direct current biasing resistance, resistance R ₉, diode BG ₆, capacitor C ₅With resistance R ₁₁, diode BG ₇, capacitor C ₆Form triode Q respectively ₁, Q ₂The base impedance match circuit.L ₁, L ₂Be feedback element, T ₂Be positive feedback oscillation transformer, capacitor C ₇, C ₈With inductance ZL ₂Form the serial connection resonant circuit, be used for triggering, lighting high-pressure sodium lamp.Capacitor C ₉, inductance ZL ₂, high-pressure sodium lamp forms voltage distribution circuit, resistance R ₁₂, R ₁₃For falling the Q value that triggers when lighting diode BG is set ₂, BG ₃, BG ₄, BG ₅Be respectively triode Q ₁, Q ₂The reverse-voltage protection device.Resistance R ₈, R ₁₀Be respectively triode Q ₁, Q ₂Oppositely base voltage improves device.

Compare with existing charger, the utlity model has following advantage:

1, energy-conservation employing pulse-switching circuit improves the high-pressure sodium lamp operating efficiency, reduces the pressure drop inductance value, reduces the inductance D.C. resistance, reduces copper loss, adopts the high resistant magnetic core, reduces the inductance iron loss, improves power factor, reduces the current loss of line resistance.

2, electric current output has steadily fully been satisfied high-pressure sodium lamp long-life condition of work.Electric current slowly rises from small to large during unlatching, power unit has been strengthened the measure of anti-supply voltage disturbing pulse, and electric current is steady relatively during work, during shutdown, the pulse-switching circuit delay working just quits work no pulse heavy current impact high-pressure sodium lamp during to the energy storage direct voltage to the 165V left and right sides.

3, because inductance value significantly reduces, weight obviously lightens.

4, easy for installation energy-conservation charger of high-pressure sodium lamp electronic only has and two enter (two power lines advance), twoly go out (two fixture wires go out) line, and be therefore easy for installation.

Fig. 1 is circuit theory diagrams of the present utility model.

Fig. 2 is an enforcement illustration of the present utility model.

Below in conjunction with accompanying drawing the utility model being done one describes in detail:

As Fig. 1, the utility model is the energy-conservation charger of a kind of high-pressure sodium lamp electronic, is made up of power circuit 1 and pulse-switching circuit 2 two parts.

Power circuit 1 includes: fuse BX, thermistor R ₁, filter T ₁, capacitor C ₁, bridge rectifier BG ₁, piezo-resistance R ₂, filter capacitor C ₂, capacitor C ₃, inductance ZL ₁, filter capacitor C ₄And resistance R ₃Connect fuse BX one end, another termination filter of BX T by power inleting terminal A ₁T ₁-L ₁The end of the same name of group, T ₁-L ₁The different name termination capacitor C of group ₁One end and bridge rectifier BG ₁Ac input end, connect thermistor R by electric power incoming line B end ₁One end, R ₁Another termination filter T ₁T ₁-L ₂The end of the same name of group, T ₁-L ₂The different name termination bridge rectifier BG of group ₁Another ac input end.BG ₁Positive voltage output end meet piezo-resistance R ₂One end, filter capacitor C ₂Positive terminal and capacitor C ₃, inductance ZL ₁An end, ZL ₁Another termination filter capacitor C ₄Positive terminal and resistance R ₃One end, BG ₁Negative voltage output termination filter capacitor C ₂Negative pole end, piezo-resistance R ₂And capacitor C ₃The other end, filter capacitor C ₄Negative pole end and resistance R ₃The other end.Capacitor C ₁, filter T ₁Form ac filter circuit, filter circuit C ₂, capacitor C ₃, inductance ZL ₁With filter capacitor C ₄Form A type DC filtering circuit, bridge rectifier BG ₁Do to exchange direct current exchange, thermistor R ₁Make cold conditions and open current limliting, piezo-resistance R ₂Make overvoltage protection, blowout BX, resistance R ₃Make shutdown back filter capacitor C ₄, C ₂, capacitor C ₃Release resistance.

Pulse-switching circuit 2 includes: diode BG ₂～BG ₁₁, transistor Q ₁, Q ₂, resistance R ₄～R ₁₃, inductance L ₁, L ₂Or resistance R ₁₄, R ₁₅(Fig. 2), capacitor C ₅～C ₉, filter T ₂With inductance ZL ₂Diode BG ₂Forward end and diode BG ₃Backward end connect BG ₂Backward end and capacitor C ₄Positive terminal connect, and with transistor Q ₁Collector electrode and resistance R ₄One end connects, Q ₁Emitter and inductance L ₁One end connects, Q ₁Base stage and resistance R ₄The other end and resistance R ₅, R ₈, R ₉And capacitor C ₅An end, diode BG ₈Forward end joins, BG ₈Backward end and diode BG ₉Forward end connect resistance R ₉The other end and diode BG ₆Backward end connect resistance R ₈The other end and diode BG ₆Forward end, capacitor C ₅The other end and transformer T ₂T ₂-L ₁The end of the same name of winding connect; Diode BG ₃Forward end and diode BG ₄Backward end, triode Q ₂Collector electrode, resistance R ₆An end, resistance R ₅, inductance L ₁The other end, BG ₉Backward end, T ₂-L ₁The different name end and the T of winding ₂-L ₃The end of the same name of winding connects; Diode BG ₄Forward end and diode BG ₅Backward end connect; Triode Q ₂Emitter and inductance L ₂One end connects, triode Q ₂Base stage and resistance R ₆The other end, resistance R ₇, R ₁₀, R ₁₁And capacitor C ₆An end, diode BG ₁₀Forward end connect BG ₁₀Backward end and diode BG ₁₁Forward end connect resistance R ₁₁The other end and diode BG ₇Backward end connect BG ₇Forward end and resistance R ₁₀, capacitor C ₆The other end, T ₂-L ₂The different name end of winding is connected capacitor C ₄Negative pole end and capacitor C ₉One end, diode BG ₅Forward end, inductance L ₂, resistance R ₇The other end, diode BG ₁₁Backward end, T ₂-L ₂The end of the same name of winding connects.T ₂-L ₃Different name end and matching inductor ZL ₂One end connects, ZL ₂The other end and output C, capacitor C ₇, resistance R ₁₂One end connects, R ₁₂, C ₇The other end and resistance R ₁₃, capacitor C ₈Connect resistance R ₁₃, capacitor C ₈, C ₉The other end be connected with output D.Resistance R ₄, R ₅, R ₆, R ₇Be triode Q ₁, Q ₂Base stage direct current biasing resistance, resistance R ₉, diode BG ₆, capacitor C ₅With resistance R ₁₁, diode BG ₇, capacitor C ₆Form triode Q respectively ₁, Q ₂The base impedance match circuit.Diode BG ₈, BG ₉With BG ₁₀, BG ₁₁Be respectively triode Q ₁, Q ₂Base potential maximum limit depressor, L ₁, L ₂Be negative feedback component, T ₂Be positive feedback oscillation transformer, capacitor C ₇, C ₈With inductance ZL ₂Form the serial connection resonant circuit, be used for triggering, lighting high-pressure sodium lamp.Capacitor C ₉, inductance ZL ₂High-pressure sodium lamp is formed operate as normal series resonant circuit, capacitor C ₉, inductance ZL ₂, high-pressure sodium lamp forms voltage distribution circuit, resistance R ₁₂, R ₁₃For falling the Q value that triggers when lighting diode BG is set ₂, BG ₃, BG ₄, BG ₅Be respectively triode Q ₁, Q ₂The reverse-voltage protection device.Resistance R ₈, R ₁₀Be respectively triode Q ₁, Q ₂Oppositely base voltage improves device.

Transformer T of the present utility model ₂Voltage ratio is T ₂L ₃: T ₂L ₁(T ₂L ₂) $2\left(1\frac{3}{4}\right):12\±3$ $3\left(2\frac{3}{4}\right):16\±4$ $4\left(3\frac{3}{4}\right):20\±5$

Inductance ZL ₂Its dc resistance is 0.4 ± 0.2 Ω, and inductance value is 0.6mH～2.0mH, inductance L ₁, L ₂Its inductance value is 0.05 μ H～1 μ H, or resistance R ₁₄, R ₁₅Resistance be 0.1～0.5 Ω, capacitor C ₉Its appearance value amount is 0.22 μ mF～2 μ F, resistance R ₈, R ₁₀Its resistance is 8k～20K.Capacitor C ₇, C ₈Its appearance value is: 10000～30000PF.

Claims (7)

1, the energy-conservation charger of a kind of high-pressure sodium lamp electronic is made up of power circuit (1) and pulse-switching circuit (2) two parts, it is characterized in that pulse-switching circuit 2 includes: diode BG ₂～BG11, transistor Q ₁, Q ₂, resistance R ₄～R ₁₃, inductance L ₁, L ₂Or resistance R ₁₄, R ₁₆, capacitor C ₅～C ₉, transformer T ₂With inductance ZL ₂, diode BG ₂Forward end and diode BG ₃Backward end connect BG ₂Backward end and capacitor C ₄Positive terminal connect, and with transistor Q ₁Collector electrode and resistance R ₄One end connects, Q ₁Emitter and inductance L ₁One end connects, Q ₁Base stage and resistance R ₄The other end and resistance R ₅, R ₈, R ₉And capacitor C ₅An end, diode BG ₈Forward end connect diode BG ₈Backward end and diode BG ₉Forward end connect resistance R ₉The other end and diode BG ₆Backward end connect resistance R ₈The other end and diode BG ₆Forward end, capacitor C ₅The other end and transformer T ₂T ₂-L ₁The end of the same name of winding connect; Diode BG ₃Forward end and diode BG ₄Backward end, triode Q ₂Collector electrode, resistance R ₆An end, resistance R ₅, inductance L ₁The other end, diode BG ₉Backward end, T ₂-L ₁The different name end and the T of winding ₂-L ₃The end of the same name of winding connects; Diode BG ₄Forward end and diode BG ₅Backward end connect; Triode Q ₂Emitter and inductance L ₂One end connects, triode Q ₂Base stage and resistance R ₆The other end, resistance R ₇, R ₁₀, R ₁₁And capacitor C ₆An end, diode BG ₁₀Forward end connect diode BG ₁₀Backward end and diode BG ₁₁Forward end connect resistance R ₁₁The other end and diode BG ₇Backward end connect BG ₇Forward end and resistance R ₁₀, capacitor C ₆The other end, T ₂-L ₂The different name end of winding is connected capacitor C ₄Negative pole end and capacitor C ₉One end, diode BG ₅Forward end, inductance L ₂, resistance R ₇The other end, diode BG ₁₁Backward end, T ₂-L ₂The end of the same name of winding connects.T ₂-L ₃Different name end and matching inductor ZL ₂One end connects, ZL ₂The other end and output C, capacitor C ₇, resistance R ₁₂One end connects, R ₁₂, C ₇The other end and resistance R ₁₃, capacitor C ₈One end connects, resistance R ₁₃, capacitor C ₈, C ₉The other end be connected with output D.

2, the energy-conservation charger of a kind of high-pressure sodium lamp electronic according to claim 1 is characterized in that transformer T ₂Voltage ratio is T ₂L ₃: T ₂L ₁(T ₂L ₂) $2\left(1\frac{3}{4}\right):12\±3$ $3\left(2\frac{3}{4}\right):16\±4$ $4\left(3\frac{3}{4}\right):20\±5$

3, the energy-conservation charger of a kind of high-pressure sodium lamp electronic according to claim 1 is characterized in that inductance ZL ₂Its dc resistance is 0.4 ± 0.2 Ω, and inductance value is 0.6mH～2.0mH.

4, the energy-conservation charger of a kind of high-pressure sodium lamp electronic according to claim 1 is characterized in that inductance L ₁, L ₂Its inductance value is 0.05 μ H～1 μ H or resistance R ₁₄, R ₁₅Resistance be 0.1～0.5 Ω.

5, the energy-conservation charger of a kind of high-pressure sodium lamp electronic according to claim 1 is characterized in that capacitor C ₇, C ₈Its capacitance is 10000～30000PF.

6, the energy-conservation charger of a kind of high-pressure sodium lamp electronic according to claim 1 is characterized in that capacitor C ₉Its capacity is 0.22 μ F～2 μ F.

7, the energy-conservation charger of a kind of high-pressure sodium lamp electronic according to claim 1 is characterized in that resistance R ₈, R ₁₀Its resistance is 8k～20K.

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