CN103237395B - High-frequency electronic direct-current ballast circuit and fluorescent lamp - Google Patents
High-frequency electronic direct-current ballast circuit and fluorescent lamp Download PDFInfo
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- CN103237395B CN103237395B CN201310136998.3A CN201310136998A CN103237395B CN 103237395 B CN103237395 B CN 103237395B CN 201310136998 A CN201310136998 A CN 201310136998A CN 103237395 B CN103237395 B CN 103237395B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B35/00—Electric light sources using a combination of different types of light generation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
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Abstract
The invention belongs to the field of circuits and provides a high-frequency electronic direct-current ballast circuit and a fluorescent lamp. In the embodiment of the invention, through a second alternating-current-to-direct-current conversion module, high-frequency high-voltage alternating current which is output by a ballast module is converted into high-frequency high-voltage direct current to provide working voltage for the fluorescent lamp, so that the fluorescent lamp works more stably; and a delay control module is used for controlling the current flow direction of the fluorescent lamp to enable current which flows through the fluorescent lamp to be changed at a fixed time, so that the problems that black circles are produced at one end of the a fluorescent lamp tube, the illuminating brightness of the fluorescent lamp is influenced and the service life of the fluorescent lamp is reduced because the high-frequency high-voltage direct current flows through the fluorescent lamp tube in one direction for a long time are solved.
Description
Technical field
The invention belongs to circuit field, particularly relate to a kind of high-frequency electronic direct-current ballast circuit and fluorescent lamp.
Background technology
The development of electric power facilitates the progress of society greatly, and the life of people more and more be unable to do without electricity, normal lighting, and operating illumination all needs electricity, and electricity is that the life of people brings great convenience.
But, traditional lighting fluorescent fluorescent tube is all use under the condition of alternating current, the inductance type ballast mostly used in fluorescent lamp, consume a large amount of metal materials, waste a large amount of electric energy simultaneously, and alternating current voltage becomes sinusoidal periodic to change, alternating current ballast produces periodically alternation in fluorescent lamp, easily cause fluorescent tube two ends to produce black circle, affect brightness of illumination, reduce the useful life of fluorescent tube.
Summary of the invention
The invention provides a kind of high-frequency electronic direct-current ballast circuit, be intended to adopt high-frequency ac to power in solution prior art and produce larger waste of energy, easily cause fluorescent tube two ends to produce black circle, the problem that useful life reduces.
In order to solve the problems of the technologies described above, the invention provides a kind of high-frequency electronic direct-current ballast circuit, be connected with alternating current and load, described high-frequency electronic direct-current ballast circuit comprises the alternating current, EMI filtration module, the first AC-DC conversion module and the ballast module that connect successively, and described high-frequency electronic direct-current ballast circuit also comprises:
Second AC-DC conversion module, is connected with described ballast module and described load respectively, the high-frequency and high-voltage alternating current that described ballast module exports is converted to high-frequency high-voltage direct-current electricity for described load and provides operating voltage; And
Timing_delay estimation module, comprise the relay switch of 4 series connection, described timing_delay estimation module is connected with described alternating current and described load respectively, changes on off operating mode for controlling described 4 relay switches timing.
Further, described EMI filtration module comprises:
Resistance R1, filter capacitor C1, filter capacitor C2, mutual inductor L1 and mutual inductor L2;
The first end of described filter capacitor C1 is connected with the first end of mutual inductor L1 and the first end of described alternating current respectively, second end of described mutual inductor L1 is connected with the first end of described filter capacitor C2 and the first end of described resistance R1 respectively, the first end of described resistance R1 is the first output of described EMI filtration module, second end of described resistance R1 is connected with second end of described filter capacitor C2 and second end of described mutual inductor L2 respectively, second end of described resistance R1 is the second output of described EMI filtration module, the first end of described mutual inductor L2 respectively with the second end of described filter capacitor C1 and described alternating current.
Further, described first AC-DC conversion module is rectifier bridge BD1;
First of described EMI filtration module exports the first input end of rectifier bridge BD1 described in termination, and second of described EMI filtration module exports second input of rectifier bridge BD1 described in termination.
Further, described ballast module comprises:
Polar capacitor C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, resistance R3, resistance R4, resistance R5, resistance R6, diode D1, diode D2, diode D3, two end alternating current switch D4, NPN type triode Q1, NPN type triode Q2, inductance coil Ta, inductance coil Tb, inductance coil Tc and inductance L 3;
The positive pole of described polar capacitor C3 is as the input of described ballast module, connect the output of described rectifier bridge BD1, the positive pole of described polar capacitor C3 and the first end of described resistance R2 are connected to the first end of the negative electrode of described diode D1 and the collector electrode of described NPN type triode Q1 and described electric capacity C5 altogether, second end of described resistance R2 and the anode of described diode D3 are connected to the described first end of two end alternating current switch D4 and the first end of described electric capacity C4 altogether, the negative pole of described polar capacitor C3, second end of described electric capacity C4 and second end of described resistance R4 are connected to second end of described inductance coil Tc and the first end of described electric capacity C6 altogether, the negative pole of described polar capacitor C3 connects the earth terminal of described rectifier bridge BD1, the negative electrode of described diode D3 and the anode of described diode D1 are connected to second end of described resistance R3 and the collector electrode of described NPN type triode Q2 altogether, the base stage of described NPN type triode Q1 connects the first end of described resistance R5, the first end of inductance coil Ta described in second termination of described resistance R5, the first end of inductance coil Tb described in second termination of described inductance coil Ta, the first end of inductance L 3 described in second termination of described inductance coil Tb, the public connecting end of described inductance coil Ta and described inductance coil Tb connects second end of described resistance R3, the base stage of NPN type triode Q2 and the first end of described resistance R6 described in second termination of described two end alternating current switch D4, the emitter of described NPN type triode Q2 connects the first end of described resistance R4, the first end of inductance coil Tc described in second termination of described resistance R6, second end of described electric capacity C5 is connected with the first end of described electric capacity C7 and second end of described electric capacity C6 respectively, second end of electric capacity C7 described in second termination of described inductance L 3, the public connecting end of described inductance L 3 and described electric capacity C7 is the first output of described ballast module, the public connecting end of described electric capacity C5 and described electric capacity C6 is the second output of described ballast module.
Further, described timing_delay estimation module comprises the transformer T1, rectifier bridge BD3, filter unit, the first time delay control unit, the second time delay control unit and the auxiliary relay control unit that connect successively.
Further, the elementary two ends being connected on alternating current of described transformer T1, the secondary of described transformer T1 is connected with the first input end of described rectifier bridge BD3 and the second input respectively, described filter unit comprises resistance R7 in parallel and polar capacitor C8, the first end of described filter unit is connected with the output and ground of described rectifier bridge BD3 respectively with the second end, described first time delay control unit and described second time delay control unit are connected in parallel between described filter unit and described auxiliary relay control unit, described auxiliary relay control unit is connected with described load.
Further, described first time delay control unit is identical with described second time delay control unit circuit structure and be connected in parallel, and described first time delay control unit comprises resistance R8, resistance R9, resistance R10, resistance R11, polar capacitor C9, electrochemical capacitor C10, voltage-stabiliser tube ZD1, NPN type triode Q3, NPN type triode Q4, PNP type triode Q5, timing_delay estimation relay K T1 and timing_delay estimation K switch T2-1;
The first end of described resistance R8 respectively with the first end of described filter unit, the first end of described resistance R10 and the emitter of described PNP type triode Q5 connect, described resistance R9 connects with described timing_delay estimation K switch T2-1 afterwards and described polar capacitor C9 is connected in parallel between second end of described resistance R8 and the anode of described voltage-stabiliser tube ZD1, the anode of described voltage-stabiliser tube ZD1 is connected with the second end of described filter unit, the base stage of described NPN type triode Q3 is connected with the public connecting end of described resistance R8 and described polar capacitor C9, the collector electrode of described NPN type triode Q3 is connected with the base stage of described PNP type triode Q5 by described resistance R11, the emitter of described NPN type triode Q3 is connected with the base stage of described NPN type triode Q4, the emitting stage of described NPN type triode Q4 is connected with the negative electrode of described voltage-stabiliser tube ZD1 and second end of described resistance R10 respectively, the collector electrode of described NPN type triode Q4 is connected with the collector electrode of described NPN type triode Q3, described electrochemical capacitor C10 and described timing_delay estimation relay K T1 is connected in parallel between the collector electrode of described PNP type triode Q5 and the anode of described voltage-stabiliser tube ZD1, the first end of described resistance R10 is the first output of described first time delay control unit, the anode of described voltage-stabiliser tube ZD1 is the second output of described first time delay control unit,
Described second time delay control unit comprises resistance R12, resistance R13, resistance R14, resistance R15, polar capacitor C11, electrochemical capacitor C12, voltage-stabiliser tube ZD2, NPN type triode Q6, NPN type triode Q7, PNP type triode Q8, timing_delay estimation relay K T2 and timing_delay estimation K switch T1-1;
The first end of described resistance R12 respectively with the first end of described filter unit, the first end of described resistance R14 and the emitter of described PNP type triode Q8 connect, described resistance R13 connects with described timing_delay estimation K switch T1-1 afterwards and described polar capacitor C11 is connected in parallel between second end of described resistance R12 and the anode of described voltage-stabiliser tube ZD2, the anode of described voltage-stabiliser tube ZD2 is connected with the second end of described filter unit, the base stage of described NPN type triode Q6 is connected with the public connecting end of described resistance R12 and described polar capacitor C11, the collector electrode of described NPN type triode Q6 is connected with the base stage of described PNP type triode Q8 by described resistance R15, the emitter of described NPN type triode Q6 is connected with the base stage of described NPN type triode Q7, the emitting stage of described NPN type triode Q7 is connected with the negative electrode of described voltage-stabiliser tube ZD2 and second end of described resistance R14 respectively, the collector electrode of described NPN type triode Q7 is connected with the collector electrode of described NPN type triode Q6, described electrochemical capacitor C12 and described timing_delay estimation relay K T2 is connected in parallel between the collector electrode of described PNP type triode Q8 and the anode of described voltage-stabiliser tube ZD2, the first end of described resistance R14 is the first output of described second time delay control unit, the anode of described voltage-stabiliser tube ZD2 is the second output of described second time delay control unit.
Further, described auxiliary relay control unit comprises:
Auxiliary relay K1, timing_delay estimation K switch T1-2, timing_delay estimation K switch T2-2, relay switch K1-1, relay switch K1-2, relay switch K1-3 and relay switch K1-4;
Described relay switch K1-3, described relay switch K1-1, described relay switch K1-2 and described relay switch K1-4 is sequentially connected in series, described timing_delay estimation K switch T1-2 and described timing_delay estimation K switch T2-2 is connected in parallel between the second output of described first time delay control unit and second end of described auxiliary relay K1, the first end of described load is connected between the first end of described relay switch K1-3 and second end of described relay switch K1-1, second end of described load is connected between the first end of described relay switch K1-2 and described relay switch K1-4 second end.
Further, described second AC-DC conversion module is rectifier bridge BD2;
The first input end of described rectifier bridge BD2 connects the first output of described ballast module, second output of ballast module described in the second input termination of described rectifier bridge BD2, the output of described rectifier bridge BD2 is connected between described relay switch K1-1 first end and described relay switch K1-2 second end, and the earth terminal of described rectifier bridge BD2 is connected with second end of the first end of described relay switch K1-4 and described relay switch K1-3.
The present invention also aims to provide a kind of fluorescent lamp, be connected with load, described load comprises straight-pipe fluorescent lamp fluorescent tube, colored straight pipe type fluorescent lamp fluorescent tube, circline fluorescent tube and compact energy-saving fluorescent lamp fluorescent tube, and described fluorescent lamp comprises high-frequency electronic direct-current ballast circuit as above.
In the present invention, by the second AC-DC conversion module, the high-frequency and high-voltage alternating current that ballast module exports is converted to high-frequency high-voltage direct-current electricity and provides operating voltage for fluorescent lamp, make fluorescent lamp operation more stable, adopt and prolong the control module control fluorescent lamp current flow direction, make to be changed by the current timing of fluorescent lamp, the long-time direction of high-frequency high-voltage direct-current electricity is avoided to flow through fluorescent tube, make fluorescent tube one end produce black circle, affect the brightness of illumination of fluorescent lamp, reduce fluorescent lifetime.
Accompanying drawing explanation
Fig. 1 is the function structure chart of the high-frequency electronic direct-current ballast circuit that the embodiment of the present invention provides;
Fig. 2 is the circuit structure diagram of the high-frequency electronic direct-current ballast circuit that the embodiment of the present invention provides;
Fig. 3 is the circuit structure diagram of the fluorescent lamp that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with specific embodiment, specific implementation of the present invention is described in detail:
As shown in Figure 1, the invention provides a kind of high-frequency electronic direct-current ballast circuit, be connected with alternating current AC and load 300, high-frequency electronic direct-current ballast circuit comprises alternating current AC, EMI filtration module 201, the first AC-DC conversion module 202 and ballast module 203 that connect successively, and high-frequency electronic direct-current ballast circuit also comprises:
Second AC-DC conversion module 204, is connected with ballast module 203 and load 300 respectively, and high-frequency and high-voltage alternating current ballast module 203 exported is converted to high-frequency high-voltage direct-current electricity and provides operating voltage for load 300; And
Timing_delay estimation module 205, comprise 4 the relay switch K1-3 connected successively, relay switch K1-1, relay switch K1-2, relay switch K1-4, timing_delay estimation module 205 is connected with alternating current AC and load 300 respectively, changes on off operating mode for controlling 4 relay switch timings.
The embodiment of the present invention is mainly applicable to power 30W and above load 300 connects use, and load 300 comprises electricity-saving lamp, fluorescent lamp, fluorescent lamp etc.By the second AC-DC conversion module 204, high-frequency and high-voltage alternating current ballast module 203 exported is converted to high-frequency high-voltage direct-current electricity and provides operating voltage for load 300, adopt the current direction prolonging control module 205 control load 300, make to be changed by the current timing of load 300, avoiding the power supply of conventional AC electricity makes the generation of fluorescent lamp one end gloomy, reduces the problem of fluorescent lifetime.In embodiments of the present invention, load 300 comprises electricity-saving lamp, fluorescent lamp, fluorescent lamp etc.
Further, as shown in Figure 2, EMI filtration module 201 comprises: resistance R1, filter capacitor C1, filter capacitor C2, mutual inductor L1 and mutual inductor L2;
The first end of filter capacitor C1 is connected with the first end of mutual inductor L1 and the first end of alternating current AC respectively, second end of mutual inductor L1 is connected with the first end of filter capacitor C2 and the first end of resistance R1 respectively, the first end of resistance R1 is the first output of EMI filtration module 201, second end of resistance R1 is connected with second end of filter capacitor C2 and second end of mutual inductor L2 respectively, second end of resistance R1 is the second output of EMI filtration module 201, the first end of mutual inductor L2 respectively with second end of filter capacitor C1 and alternating current AC.
Further, the first AC-DC conversion module 202 is rectifier bridge BD1; First of EMI filtration module 201 exports the first input end of termination rectifier bridge BD1, and second of EMI filtration module 201 exports second input of termination rectifier bridge BD1.
Further, ballast module 203 comprises: polar capacitor C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, resistance R3, resistance R4, resistance R5, resistance R6, diode D1, diode D2, diode D3, two end alternating current switch D4, NPN type triode Q1, NPN type triode Q2, inductance coil Ta, inductance coil Tb, inductance coil Tc and inductance L 3;
The input of the just very ballast module 203 of polar capacitor C3, connect the output of rectifier bridge BD1, the positive pole of polar capacitor C3 and the first end of resistance R2 are connected to the first end of the negative electrode of diode D1 and the collector electrode of NPN type triode Q1 and electric capacity C5 altogether, second end of resistance R2 and the anode of diode D3 are connected to the first end of two end alternating current switch D4 and the first end of electric capacity C4 altogether, the negative pole of polar capacitor C3, second end of electric capacity C4 and second end of resistance R4 are connected to second end of inductance coil Tc and the first end of electric capacity C6 altogether, the negative pole of polar capacitor C3 connects the earth terminal of rectifier bridge BD1, the negative electrode of diode D3 and the anode of diode D1 are connected to second end of resistance R3 and the collector electrode of NPN type triode Q2 altogether, the first end of the base stage connecting resistance R5 of NPN type triode Q1, the first end of the second termination inductance coil Ta of resistance R5, the first end of the second termination inductance coil Tb of inductance coil Ta, the first end of the second termination inductance L 3 of inductance coil Tb, second end of the public connecting end connecting resistance R3 of inductance coil Ta and inductance coil Tb, the base stage of the second termination NPN type triode Q2 of two end alternating current switch D4 and the first end of resistance R6, the first end of the emitter connecting resistance R4 of NPN type triode Q2, the first end of the second termination inductance coil Tc of resistance R6, second end of electric capacity C5 is connected with the first end of electric capacity C7 and second end of electric capacity C6 respectively, second end of the second termination capacitor C7 of inductance L 3, the public connecting end of inductance L 3 and electric capacity C7 is the first output of ballast module 203, the public connecting end of electric capacity C5 and electric capacity C6 is the second output of ballast module 203.
As one embodiment of the invention, in ballast module 203, inductance coil Ta, inductance coil Tb, inductance coil Tc have employed annular ferrite core (Fe
2o
3), the reaction sensitivity of intensifier circuit.
Further, timing_delay estimation module 205 comprise connect successively transformer T1, rectifier bridge BD3, filter unit 2052, first time delay control unit 2053, second time delay control unit 2054 and auxiliary relay control unit 2055.
Further, the elementary two ends being connected on alternating current AC of transformer T1, the secondary of transformer T1 is connected with the first input end of described rectifier bridge BD3 and the second input respectively, filter unit 2052 comprises resistance R7 in parallel and polar capacitor C8, the first end of filter unit 2052 is connected with the output and ground of rectifier bridge BD3 respectively with the second end, first time delay control unit 2053 and the second time delay control unit 2054 are connected in parallel between filter unit 2052 and auxiliary relay control unit 2055, and auxiliary relay control unit 2055 is connected with load K.
Further, first time delay control unit 2053 is connected in parallel with the second time delay control unit 2054 and circuit structure is identical, and the first time delay control unit 2053 comprises resistance R8, resistance R9, resistance R10, resistance R11, polar capacitor C9, electrochemical capacitor C10, voltage-stabiliser tube ZD1, NPN type triode Q3, NPN type triode Q4, PNP type triode Q5, timing_delay estimation relay K T1 and timing_delay estimation K switch T2-1;
The first end of resistance R8 respectively with the first end of filter unit 2052, the first end of resistance R10 and the emitter of PNP type triode Q5 connect, resistance R9 connects with timing_delay estimation K switch T2-1 afterwards and polar capacitor C9 is connected in parallel between second end of resistance R8 and the anode of voltage-stabiliser tube ZD1, the anode of voltage-stabiliser tube ZD1 is connected with the second end of filter unit 2052, the base stage of NPN type triode Q3 is connected with the public connecting end of resistance R8 and polar capacitor C9, the collector electrode of NPN type triode Q3 is connected with the base stage of PNP type triode Q5 by resistance R11, the emitter of NPN type triode Q3 is connected with the base stage of NPN type triode Q4, the emitting stage of NPN type triode Q4 is connected with the negative electrode of voltage-stabiliser tube ZD1 and second end of resistance R10 respectively, the collector electrode of NPN type triode Q4 is connected with the collector electrode of NPN type triode Q3, electrochemical capacitor C10 and timing_delay estimation relay K T1 is connected in parallel between the collector electrode of PNP type triode Q5 and the anode of voltage-stabiliser tube ZD1, the first end of resistance R10 is the first output of the first time delay control unit 2053, the anode of voltage-stabiliser tube ZD1 is the second output of the first time delay control unit 2053.
Second time delay control unit 2054 comprises resistance R12, resistance R13, resistance R14, resistance R15, polar capacitor C11, electrochemical capacitor C12, voltage-stabiliser tube ZD2, NPN type triode Q6, NPN type triode Q7, PNP type triode Q8, timing_delay estimation relay K T2 and timing_delay estimation K switch T1-1;
The first end of resistance R12 respectively with the first end of filter unit 2052, the first end of resistance R14 and the emitter of PNP type triode Q8 connect, resistance R13 connects with timing_delay estimation K switch T1-1 afterwards and polar capacitor C11 is connected in parallel between second end of resistance R12 and the anode of voltage-stabiliser tube ZD2, the anode of voltage-stabiliser tube ZD2 is connected with the second end of filter unit 2052, the base stage of NPN type triode Q6 is connected with the public connecting end of resistance R12 and polar capacitor C11, the collector electrode of NPN type triode Q6 is connected with the base stage of PNP type triode Q8 by resistance R15, the emitter of NPN type triode Q6 is connected with the base stage of NPN type triode Q7, the emitting stage of NPN type triode Q7 is connected with the negative electrode of voltage-stabiliser tube ZD2 and second end of resistance R14 respectively, the collector electrode of NPN type triode Q7 is connected with the collector electrode of NPN type triode Q6, electrochemical capacitor C12 and timing_delay estimation relay K T2 is connected in parallel between the collector electrode of PNP type triode Q8 and the anode of voltage-stabiliser tube ZD2, the first end of resistance R14 is the first output of the second time delay control unit 2054, the anode of voltage-stabiliser tube ZD2 is the second output of described second time delay control unit 2054.
As one embodiment of the invention, NPN type triode Q3 and Q4 can use N-type metal-oxide-semiconductor to replace, and PNP type triode Q5 can use P type metal-oxide-semiconductor to replace.
Further, auxiliary relay control unit 2055 comprises:
Auxiliary relay K1, timing_delay estimation K switch T1-2, timing_delay estimation K switch T2-2, relay switch K1-1, relay switch K1-2, relay switch K1-3 and relay switch K1-4;
Relay switch K1-3, relay switch K1-1, relay switch K1-2 and relay switch K1-4 are sequentially connected in series, between the second output that timing_delay estimation K switch T1-2 and timing_delay estimation K switch T2-2 is connected in the first time delay control unit 2053 in parallel and second end of auxiliary relay K1, the first end of load K is connected between the first end of relay switch K1-3 and second end of relay switch K1-1, and second end of load K is connected between the first end of relay switch K1-2 and relay switch K1-4 second end.
In embodiments of the present invention, auxiliary relay K1 is control relay K switch 1-1 respectively, relay switch K1-2, the break-make of relay switch K1-3 and relay switch K1-4, to change the current direction flowing through load K, as control relay K switch 1-2 and relay switch K1-3 disconnects, control relay K switch 1-1 and relay switch K1-4 conducting, the electric current of load K is made to be a direction, control relay K switch 1-2 and relay switch K1-3 conducting, control relay K switch 1-1 and relay switch K1-4 disconnects, make the electric current of load K for another direction, loop control, the sense of current timing flowing through load K is changed.
Further, the second AC-DC conversion module 204 is rectifier bridge BD2;
The first input end of rectifier bridge BD2 connects the first output of ballast module 203, second output of the second input termination ballast module 203 of rectifier bridge BD2, the output of rectifier bridge BD2 is connected between relay switch K1-1 first end and relay switch K1-2 second end, and the earth terminal of rectifier bridge BD2 is connected with second end of the first end of relay switch K1-4 and relay switch K1-3.
Below in conjunction with the present embodiment, the principle that the present invention realizes is described further.
EMI filtration module 201 pairs of civil powers and alternating current AC carry out filtering, be high voltage direct current through the first AC-DC conversion module converts, high voltage direct current is become high-frequency and high-voltage alternating current by the ballast module 203 be made up of two triodes, by the second AC-DC conversion module 204, high-frequency and high-voltage alternating current is converted to the direct current of high-frequency and high-voltage again, first time delay control unit 2053 and the second time delay control unit 2054 initial condition are that a disconnection one closes, a time delay is had in the process that the first time delay control unit 2053 is charged, electric current has little time conducting, and now the second time delay control unit 2054 is in conducting state, now auxiliary relay K1 control relay K switch 1-1 and relay switch K1-4 conducting, prolong control switch K1-3 and relay switch K1-2 to disconnect, conducting after the first time delay control unit 2053 charging terminates, second time delay control unit 2054 is in saturated cut-off state, now relay switch K1 control relay K switch 1-1 and relay switch K1-4 disconnects, prolong control switch K1-3 and relay switch K1-2 conducting, so just achieve by the direct current of load K after a certain time current direction automatically change, the long-time direction of high-frequency high-voltage direct-current electricity is avoided to flow through load K, load K one end is made to produce black circle, to the damage that load K brings.
The embodiment of the present invention additionally provides a kind of fluorescent lamp, be connected with load K, load K comprises straight-pipe fluorescent lamp pipe, colored straight fluorescent tube, annular fluorescent tube and compact energy-saving fluorescent lamp fluorescent tube, and fluorescent lamp comprises above-mentioned high-frequency electronic direct-current ballast circuit.
Fig. 3 shows the circuit diagram of the fluorescent lamp that the embodiment of the present invention provides, and in embodiments of the present invention, load K is straight-pipe fluorescent lamp pipe M, and two lamp bases at the two ends of straight-pipe fluorescent lamp fluorescent tube M are connected to together.
In embodiments of the present invention, the runners that can also design a kind of single lead-in wire uses for the straight-pipe fluorescent lamp fluorescent tube M provided to the embodiment of the present invention, and straight-pipe fluorescent lamp list lead-in wire runners also belongs to the embodiment of the present invention and carries out disclosed content.
As one embodiment of the invention, fluorescent tube K is also applicable to the fluorescent tube that power is the other types such as 30W and above power saving fluorescent lamps, fluorescent tube.
In embodiments of the present invention, by the second AC-DC conversion module, the high-frequency and high-voltage alternating current that ballast module exports is converted to high-frequency high-voltage direct-current electricity and provides operating voltage for fluorescent lamp, make fluorescent lamp operation more stable, adopt and prolong the control module control fluorescent lamp current flow direction, make to be changed by the current timing of fluorescent lamp, the long-time direction of high-frequency high-voltage direct-current electricity is avoided to flow through fluorescent tube, make fluorescent tube one end produce black circle, affect the brightness of illumination of fluorescent lamp, reduce fluorescent lifetime.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a high-frequency electronic direct-current ballast circuit, be connected with alternating current and load, described high-frequency electronic direct-current ballast circuit comprises the alternating current, EMI filtration module, the first AC-DC conversion module and the ballast module that connect successively, it is characterized in that, described high-frequency electronic direct-current ballast circuit also comprises:
Second AC-DC conversion module, is connected with described ballast module and described load respectively, the high-frequency and high-voltage alternating current that described ballast module exports is converted to high-frequency high-voltage direct-current electricity for described load and provides operating voltage; And
Timing_delay estimation module, comprise the relay switch of 4 series connection, described timing_delay estimation module is connected with described alternating current and described load respectively, changes on off operating mode for controlling described 4 relay switches timing;
Described timing_delay estimation module comprises the transformer T1, rectifier bridge BD3, filter unit, the first time delay control unit, the second time delay control unit and the auxiliary relay control unit that connect successively.
2. high-frequency electronic direct-current ballast circuit as claimed in claim 1, it is characterized in that, described EMI filtration module comprises:
Resistance R1, filter capacitor C1, filter capacitor C2, mutual inductor L1 and mutual inductor L2;
The first end of described filter capacitor C1 is connected with the first end of mutual inductor L1 and the first end of described alternating current respectively, second end of described mutual inductor L1 is connected with the first end of described filter capacitor C2 and the first end of described resistance R1 respectively, the first end of described resistance R1 is the first output of described EMI filtration module, second end of described resistance R1 is connected with second end of described filter capacitor C2 and second end of described mutual inductor L2 respectively, second end of described resistance R1 is the second output of described EMI filtration module, the first end of described mutual inductor L2 respectively with the second end of described filter capacitor C1 and described alternating current.
3. high-frequency electronic direct-current ballast circuit as claimed in claim 2, it is characterized in that, described first AC-DC conversion module is rectifier bridge BD1;
First of described EMI filtration module exports the first input end of rectifier bridge BD1 described in termination, and second of described EMI filtration module exports second input of rectifier bridge BD1 described in termination.
4. high-frequency electronic direct-current ballast circuit as claimed in claim 3, it is characterized in that, described ballast module comprises:
Polar capacitor C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, resistance R3, resistance R4, resistance R5, resistance R6, diode D1, diode D2, diode D3, two end alternating current switch D4, NPN type triode Q1, NPN type triode Q2, inductance coil Ta, inductance coil Tb, inductance coil Tc and inductance L 3;
The positive pole of described polar capacitor C3 is as the input of described ballast module, connect the output of described rectifier bridge BD1, the positive pole of described polar capacitor C3 and the first end of described resistance R2 are connected to the first end of the negative electrode of described diode D1 and the collector electrode of described NPN type triode Q1 and described electric capacity C5 altogether, second end of described resistance R2 and the anode of described diode D3 are connected to the described first end of two end alternating current switch D4 and the first end of described electric capacity C4 altogether, the negative pole of described polar capacitor C3, second end of described electric capacity C4 and second end of described resistance R4 are connected to second end of described inductance coil Tc and the first end of described electric capacity C6 altogether, the negative pole of described polar capacitor C3 connects the earth terminal of described rectifier bridge BD1, the negative electrode of described diode D3 and the anode of described diode D1 are connected to second end of described resistance R3 and the collector electrode of described NPN type triode Q2 altogether, the base stage of described NPN type triode Q1 connects the first end of described resistance R5, the first end of inductance coil Ta described in second termination of described resistance R5, the first end of inductance coil Tb described in second termination of described inductance coil Ta, the first end of inductance L 3 described in second termination of described inductance coil Tb, the public connecting end of described inductance coil Ta and described inductance coil Tb connects second end of described resistance R3, the base stage of NPN type triode Q2 and the first end of described resistance R6 described in second termination of described two end alternating current switch D4, the emitter of described NPN type triode Q2 connects the first end of described resistance R4, the first end of inductance coil Tc described in second termination of described resistance R6, second end of described electric capacity C5 is connected with the first end of described electric capacity C7 and second end of described electric capacity C6 respectively, second end of electric capacity C7 described in second termination of described inductance L 3, the public connecting end of described inductance L 3 and described electric capacity C7 is the first output of described ballast module, the public connecting end of described electric capacity C5 and described electric capacity C6 is the second output of described ballast module.
5. high-frequency electronic direct-current ballast circuit as claimed in claim 4, it is characterized in that, the elementary two ends being connected on alternating current of described transformer T1, the secondary of described transformer T1 is connected with the first input end of described rectifier bridge BD3 and the second input respectively, described filter unit comprises resistance R7 in parallel and polar capacitor C8, the first end of described filter unit is connected with the output and ground of described rectifier bridge BD3 respectively with the second end, described first time delay control unit and described second time delay control unit are connected in parallel between described filter unit and described auxiliary relay control unit, described auxiliary relay control unit is connected with described load.
6. high-frequency electronic direct-current ballast circuit as claimed in claim 5, it is characterized in that, described first time delay control unit is identical with described second time delay control unit circuit structure and be connected in parallel, and described first time delay control unit comprises resistance R8, resistance R9, resistance R10, resistance R11, polar capacitor C9, electrochemical capacitor C10, voltage-stabiliser tube ZD1, NPN type triode Q3, NPN type triode Q4, PNP type triode Q5, timing_delay estimation relay K T1 and timing_delay estimation K switch T2-1;
The first end of described resistance R8 respectively with the first end of described filter unit, the first end of described resistance R10 and the emitter of described PNP type triode Q5 connect, described resistance R9 connects with described timing_delay estimation K switch T2-1 afterwards and described polar capacitor C9 is connected in parallel between second end of described resistance R8 and the anode of described voltage-stabiliser tube ZD1, the anode of described voltage-stabiliser tube ZD1 is connected with the second end of described filter unit, the base stage of described NPN type triode Q3 is connected with the public connecting end of described resistance R8 and described polar capacitor C9, the collector electrode of described NPN type triode Q3 is connected with the base stage of described PNP type triode Q5 by described resistance R11, the emitter of described NPN type triode Q3 is connected with the base stage of described NPN type triode Q4, the emitting stage of described NPN type triode Q4 is connected with the negative electrode of described voltage-stabiliser tube ZD1 and second end of described resistance R10 respectively, the collector electrode of described NPN type triode Q4 is connected with the collector electrode of described NPN type triode Q3, described electrochemical capacitor C10 and described timing_delay estimation relay K T1 is connected in parallel between the collector electrode of described PNP type triode Q5 and the anode of described voltage-stabiliser tube ZD1, the first end of described resistance R10 is the first output of described first time delay control unit, the anode of described voltage-stabiliser tube ZD1 is the second output of described first time delay control unit,
Described second time delay control unit comprises resistance R12, resistance R13, resistance R14, resistance R15, polar capacitor C11, electrochemical capacitor C12, voltage-stabiliser tube ZD2, NPN type triode Q6, NPN type triode Q7, PNP type triode Q8, timing_delay estimation relay K T2 and timing_delay estimation K switch T1-1;
The first end of described resistance R12 respectively with the first end of described filter unit, the first end of described resistance R14 and the emitter of described PNP type triode Q8 connect, described resistance R13 connects with described timing_delay estimation K switch T1-1 afterwards and described polar capacitor C11 is connected in parallel between second end of described resistance R12 and the anode of described voltage-stabiliser tube ZD2, the anode of described voltage-stabiliser tube ZD2 is connected with the second end of described filter unit, the base stage of described NPN type triode Q6 is connected with the public connecting end of described resistance R12 and described polar capacitor C11, the collector electrode of described NPN type triode Q6 is connected with the base stage of described PNP type triode Q8 by described resistance R15, the emitter of described NPN type triode Q6 is connected with the base stage of described NPN type triode Q7, the emitting stage of described NPN type triode Q7 is connected with the negative electrode of described voltage-stabiliser tube ZD2 and second end of described resistance R14 respectively, the collector electrode of described NPN type triode Q7 is connected with the collector electrode of described NPN type triode Q6, described electrochemical capacitor C12 and described timing_delay estimation relay K T2 is connected in parallel between the collector electrode of described PNP type triode Q8 and the anode of described voltage-stabiliser tube ZD2, the first end of described resistance R14 is the first output of described second time delay control unit, the anode of described voltage-stabiliser tube ZD2 is the second output of described second time delay control unit.
7. high-frequency electronic direct-current ballast circuit as claimed in claim 6, it is characterized in that, described auxiliary relay control unit comprises:
Auxiliary relay K1, timing_delay estimation K switch T1-2, timing_delay estimation K switch T2-2, relay switch K1-1, relay switch K1-2, relay switch K1-3 and relay switch K1-4;
Described relay switch K1-3, described relay switch K1-1, described relay switch K1-2 and described relay switch K1-4 is sequentially connected in series, described timing_delay estimation K switch T1-2 and described timing_delay estimation K switch T2-2 is connected in parallel between the second output of described first time delay control unit and second end of described auxiliary relay K1, the first end of described load is connected between the first end of described relay switch K1-3 and second end of described relay switch K1-1, second end of described load is connected between the first end of described relay switch K1-2 and described relay switch K1-4 second end.
8. high-frequency electronic direct-current ballast circuit as claimed in claim 6, it is characterized in that, described second AC-DC conversion module is rectifier bridge BD2;
The first input end of described rectifier bridge BD2 connects the first output of described ballast module, second output of ballast module described in the second input termination of described rectifier bridge BD2, the output of described rectifier bridge BD2 is connected between described relay switch K1-1 first end and described relay switch K1-2 second end, and the earth terminal of described rectifier bridge BD2 is connected with second end of the first end of described relay switch K1-4 and described relay switch K1-3.
9. a fluorescent lamp, be connected with load, described load comprises straight-pipe fluorescent lamp pipe, colored straight fluorescent tube, annular fluorescent tube and compact energy-saving fluorescent lamp pipe, it is characterized in that, described fluorescent lamp comprise as arbitrary in claim 1 to 8 as described in high-frequency electronic direct-current ballast circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136998.3A CN103237395B (en) | 2013-04-18 | 2013-04-18 | High-frequency electronic direct-current ballast circuit and fluorescent lamp |
| PCT/CN2013/084581 WO2014169583A1 (en) | 2013-04-18 | 2013-09-29 | High-frequency electronic dc ballast circuit and fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310136998.3A CN103237395B (en) | 2013-04-18 | 2013-04-18 | High-frequency electronic direct-current ballast circuit and fluorescent lamp |
Publications (2)
| Publication Number | Publication Date |
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| CN103237395A CN103237395A (en) | 2013-08-07 |
| CN103237395B true CN103237395B (en) | 2015-05-27 |
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|---|---|---|---|
| CN201310136998.3A Expired - Fee Related CN103237395B (en) | 2013-04-18 | 2013-04-18 | High-frequency electronic direct-current ballast circuit and fluorescent lamp |
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| Country | Link |
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| CN (1) | CN103237395B (en) |
| WO (1) | WO2014169583A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237396B (en) * | 2013-04-18 | 2015-10-28 | 黄燕耀 | A kind of high-frequency electronic direct-current ballast circuit and fluorescent lamp |
| CN103237395B (en) * | 2013-04-18 | 2015-05-27 | 黄燕耀 | High-frequency electronic direct-current ballast circuit and fluorescent lamp |
| CN106787732B (en) * | 2017-02-16 | 2023-08-08 | 深圳怡化电脑股份有限公司 | Two-stage power switch control device and electrical equipment |
| CN107371312B (en) * | 2017-08-17 | 2023-08-29 | 威海东兴电子有限公司 | Self-resonance restarting short-circuit prevention ignition circuit without self-oscillation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037521U (en) * | 1988-01-03 | 1989-05-10 | 殷住顺 | Automatic electronic timing commutator |
| US5811938A (en) * | 1995-06-01 | 1998-09-22 | The Bodine Company, Inc. | Emergency lighting ballast for starting and operating two compact fluorescent lamps with integral starter |
| US6255485B1 (en) * | 1997-08-07 | 2001-07-03 | The Regents Of The University Of California | Purine inhibitors of protein kinases, G proteins and polymerases |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4277728A (en) * | 1978-05-08 | 1981-07-07 | Stevens Luminoptics | Power supply for a high intensity discharge or fluorescent lamp |
| EP1227706B1 (en) * | 2001-01-24 | 2012-11-28 | City University of Hong Kong | Novel circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps |
| US6784624B2 (en) * | 2001-12-19 | 2004-08-31 | Nicholas Buonocunto | Electronic ballast system having emergency lighting provisions |
| CN101257762B (en) * | 2008-04-10 | 2011-10-05 | 广州威固环保设备有限公司 | Digital intelligent electric ballast of high power ultraviolet lamp tube |
| CN202840991U (en) * | 2012-10-09 | 2013-03-27 | 米万里 | Unipolar and bipolar dual-purpose low power automatic regulating power alternating current (AC)/ direct current (DC) switching power supply |
| CN103237395B (en) * | 2013-04-18 | 2015-05-27 | 黄燕耀 | High-frequency electronic direct-current ballast circuit and fluorescent lamp |
-
2013
- 2013-04-18 CN CN201310136998.3A patent/CN103237395B/en not_active Expired - Fee Related
- 2013-09-29 WO PCT/CN2013/084581 patent/WO2014169583A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037521U (en) * | 1988-01-03 | 1989-05-10 | 殷住顺 | Automatic electronic timing commutator |
| US5811938A (en) * | 1995-06-01 | 1998-09-22 | The Bodine Company, Inc. | Emergency lighting ballast for starting and operating two compact fluorescent lamps with integral starter |
| US6255485B1 (en) * | 1997-08-07 | 2001-07-03 | The Regents Of The University Of California | Purine inhibitors of protein kinases, G proteins and polymerases |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103237395A (en) | 2013-08-07 |
| WO2014169583A1 (en) | 2014-10-23 |
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