CN201319691Y - Ballast for electricity-saving lamp - Google Patents
Ballast for electricity-saving lamp Download PDFInfo
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- CN201319691Y CN201319691Y CNU2008202037072U CN200820203707U CN201319691Y CN 201319691 Y CN201319691 Y CN 201319691Y CN U2008202037072 U CNU2008202037072 U CN U2008202037072U CN 200820203707 U CN200820203707 U CN 200820203707U CN 201319691 Y CN201319691 Y CN 201319691Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The utility model discloses a ballast for an electricity-saving lamp, which comprises an anti-electromagnetic interference filter circuit, a rectifying filter circuit, a triggering and relieving starting signal integration circuit, a switch frequency conversion and output circuit and a high-frequency energy feedback circuit, wherein the anti-electromagnetic interference filter circuit is connected with an external 200 V AC power supply; the rectifying filter circuit rectifies and filters the AC voltage into the DC voltage for supply power to a ballast circuit; the triggering and relieving starting signal relieving integration circuit is used for producing triggering starting signals and relieving starting signals; the switch frequency conversion and output circuit carries out self-oscillation through being controlled by the triggering starting signals for producing the high-frequency voltage capable of lightening a lamp tube LANP; and the high-frequency energy feedback circuit is connected between a filament of the lamp tube LANP and the output end of the anti-electromagnetic interference filter circuit. The utility model has the characteristics of small work current, high power factor, small electricity consumption, low current harmonic wave content, difficult power network pollution and the like.
Description
[technical field]
The utility model relates to a kind of ballast, relates in particular to a kind of high frequency high energy efficiency ballast that is used on the electricity-saving lamp.
[background technology]
Fluorescent lamp is the maximum a kind of lamp of present international and domestic use amount, it also is consistent a kind of energy-conserving and environment-protective lighting of generally acknowledging, but, the fluorescent lamp majority all adopts the ballast of low efficiency at present, it is big that this ballast has an operating current, power factor is low, the temperature height, power consumption is big, the current harmonic content height, pollute electrical network easily, waste electric power resource, large tracts of land use can make zero potential skew, zero line heating, cause unsafe factor, disturb shortcomings such as other electronic equipment easily, for this reason, be necessary to address the above problem.
[utility model content]
The utility model has overcome the deficiency of above-mentioned technology, provides that a kind of operating current is little, power factor is high, power consumption is little, and current harmonic content is low, is not easy to pollute the ballast on the electricity-saving lamp of being used for of electrical network.
For achieving the above object, the utility model has adopted following technical proposal:
A kind of ballast that is used on the electricity-saving lamp is characterized in that including:
The one anti-emi filter circuit that is connected with extraneous 220V AC power;
One current rectifying and wave filtering circuit, its ac voltage rectifier with the output of anti-emi filter circuit is filtered into direct voltage, for triggering and remove starter signal integration circuit and switch frequency conversion and output circuit power supply;
One triggers and removes starter signal integration circuit, and it produces and triggers the starter signal or remove the starter signal;
One switch frequency conversion and output circuit, it carries out self-oscillation, produces the high frequency voltage that can light fluorescent tube triggering and remove under the triggering starter signal controlling that starter signal integration circuit sends;
One is connected the high-frequency energy feedback circuit between the output of the filament of fluorescent tube and anti-emi filter circuit, and it makes the current waveform of filament follow the tracks of the voltage waveform of the output of anti-emi filter circuit.
Aforesaid a kind of ballast that is used on the electricity-saving lamp, it is characterized in that the anti-emi filter circuit includes protective tube, filter transformer, second inductance, first electric capacity, the 4th electric capacity, one end of the elementary winding of described filter transformer is connected on the live wire by protective tube, the other end of the elementary winding of filter transformer is connected simultaneously with an end of first electric capacity, second inductance, and the other end of second inductance is connected the output of back as the anti-emi filter circuit with an end of the 4th electric capacity; One of the secondary winding of filter transformer terminates on the zero line, and the other end of the secondary winding of filter transformer is connected back another output as the anti-emi filter circuit simultaneously with the other end of first electric capacity, the 4th electric capacity.
Aforesaid a kind of ballast that is used on the electricity-saving lamp, it is characterized in that current rectifying and wave filtering circuit includes by first, second, the 3rd, bridge rectifier and first resistance and electrochemical capacitor that the 4th diode is formed, the positive pole of first diode is connected the input of back as current rectifying and wave filtering circuit with the negative pole of the 3rd diode, this input is connected with an output of anti-emi filter circuit, the positive pole of second diode is connected back another input as current rectifying and wave filtering circuit with the negative pole of the 4th diode, this input is connected with another output of anti-emi filter circuit, first, the negative pole while and first resistance of second diode, after one end of electrochemical capacitor connects, output as current rectifying and wave filtering circuit, the 3rd, the positive pole of the 4th diode, first resistance, the other end of electrochemical capacitor is ground connection respectively.
Aforesaid a kind of ballast that is used on the electricity-saving lamp, it is characterized in that triggering and remove starter signal integration circuit and include second, third resistance, the 5th diode, bidirectional trigger diode, the 6th electric capacity, one end of second, third resistance is connected with the output of current rectifying and wave filtering circuit simultaneously, the other end of the 3rd resistance is connected simultaneously with the positive pole of the 5th diode, first base stage of bidirectional trigger diode, an end of the 6th electric capacity, the other end of second resistance is connected with the negative pole of the 5th diode, the other end ground connection of the 6th electric capacity.
Aforesaid a kind of ballast that is used on the electricity-saving lamp, it is characterized in that switch frequency conversion and output circuit include first, the second switch triode, the excitation magnetic ring transformer, capacitance, the 3rd inductance, the series resonant circuit that the 8th electric capacity is formed, the base stage of first switch triode is connected by the end of the 4th resistance with first secondary winding of excitation magnetic ring transformer, the other end of this first secondary winding is connected with the negative pole of the 5th diode, the collector electrode of first switch triode is connected with the output of current rectifying and wave filtering circuit, the collector electrode of first switch triode is connected by the end of capacitance with the last filament of fluorescent tube simultaneously, the emitter of first switch triode is by the other end of the 6th resistance and first secondary winding, the collector electrode of second switch triode connects simultaneously, the base stage of second switch triode is connected with second base stage of bidirectional trigger diode, the base stage of second switch triode is connected by the end of the 5th resistance with the second subprime winding of excitation magnetic ring transformer simultaneously, the other end ground connection of this second subprime winding, the emitter of second switch triode is by the 7th grounding through resistance; One end of the elementary winding of described excitation magnetic ring transformer is connected with the collector electrode of second switch triode, the elementary winding other end of excitation magnetic ring transformer is connected with an end of the following filament of fluorescent tube by the 3rd inductance, and the two ends of described the 8th electric capacity are connected with the last filament of fluorescent tube, the other end of following filament respectively.
Aforesaid a kind of ballast that is used on the electricity-saving lamp, it is characterized in that the high-frequency energy feedback circuit includes a feedback capacity, the one end is connected with an output of anti-emi filter circuit, and the node between the last filament of the other end of feedback capacity and capacitance and fluorescent tube is connected.
Aforesaid a kind of ballast that is used on the electricity-saving lamp is characterized in that the capacitance scope of feedback capacity is: 22000PF-100000PF.
Aforesaid a kind of ballast that is used on the electricity-saving lamp, it is characterized in that switch frequency conversion and output circuit also include two clamp diodes, the negative pole of a clamp diode is connected with the base stage of first switch triode, and the positive pole of this clamp diode is connected with the emitter of first switch triode by the 6th resistance; The negative pole of another clamp diode is connected with the base stage of second switch triode, and the positive pole of this clamp diode is connected with the emitter of second switch triode by the 7th resistance.
Aforesaid a kind of ballast that is used on the electricity-saving lamp, it is characterized in that switch frequency conversion and output circuit also include phase compensation electric capacity, the one end is connected with the collector electrode of first switch triode, and the other end is connected with the emitter of first switch triode by the 6th resistance.
Aforesaid a kind of ballast that is used on the electricity-saving lamp, it is characterized in that switch frequency conversion and output circuit also include two current-limiting circuits, a current-limiting circuit is arranged between capacitance and the 8th electric capacity, and it is in parallel with last filament, this current-limiting circuit is composed in parallel by the 8th resistance and the tenth diode, wherein, the tenth diode cathode is connected with capacitance, and the tenth diode cathode is connected with the 8th electric capacity; Another current-limiting circuit is arranged between the 3rd inductance and the 8th electric capacity, and in parallel with following filament, this current-limiting circuit is composed in parallel by the 9th resistance and the 11 diode, wherein, the 11 diode cathode is connected with the 3rd inductance, and the 11 diode cathode is connected with the 8th electric capacity.
The beneficial effects of the utility model are:
1, the utility model does not adopt the active power filtering that integrated package and power unit are formed, but employing passive filtering, just can produce the ballast that meets national standard, former device is more supporting, and production technology is controlled easily, production cost is low, help the market development and popularization;
2, owing to adopted the high-frequency energy feedback circuit, the current waveform that makes filament is the floating voltage waveform more accurately, has improved the power factor of filament;
3, the utlity model has that operating current is little, current harmonic content is low, lamp tube service life is prolonged;
4, owing to adopted the anti-emi filter circuit, make ballast steady operation, protection ballast not be subjected to it to influence damage.
[description of drawings]
Fig. 1 is a block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
[embodiment]
Be described in further detail below in conjunction with accompanying drawing and execution mode of the present utility model:
As Fig. 1, the utility model is introduced a kind of ballast that is used on the electricity-saving lamp, and it includes: anti-emi filter circuit 1, current rectifying and wave filtering circuit 2, triggering and releasing starter signal integration circuit 3, switch frequency conversion and output circuit 4 and high-frequency energy feedback circuit 5.
Described anti-emi filter circuit 1 is connected with extraneous 220V AC power, and its effect is anti-electromagnetic interference, makes the ballast steady operation; Described current rectifying and wave filtering circuit 2 is connected with anti-emi filter circuit 1, and its ac voltage rectifier with 1 output of anti-emi filter circuit is filtered into direct voltage, for triggering and remove starter signal integration circuit 3 and switch frequency conversion and output circuit 4 power supplies; Described triggering and releasing starter signal integration circuit 3 are used for producing and trigger the starter signal or remove the starter signal; Switch frequency conversion and output circuit 4 carry out self-oscillation under the control that triggers and remove the triggering starter signal that starter signal integration circuit 3 sends, generation can be lighted the high frequency voltage of fluorescent tube LANP, stops the effect of fluorescent tube LANP starter under the control that triggers and remove the releasing starter signal that starter signal integration circuit 3 sends; High-frequency energy feedback circuit 5 is connected between the output of the filament of fluorescent tube LANP and anti-emi filter circuit 1, and its effect is to make the current waveform of the filament of fluorescent tube LANP follow the tracks of the voltage waveform of anti-emi filter circuit 1 output more exactly.
In order to understand this patent in more detail, describe in detail for an embodiment now, see Fig. 2, anti-emi filter circuit 1 includes protective tube F, filter transformer T, second inductance L 2, first capacitor C 1, the 4th capacitor C 4.The effect of protective tube F is to increase when power network line misphase or external voltage, and when reaching the overcurrent value of protective tube F, protective tube F fusing is left, with ballast and the disconnection of extraneous power-supply system, to avoid the circuit accidental damage of this ballast.First capacitor C 1 is a low-pass filtering electric capacity, and its differential mode that is used for suppressing to exist on the extraneous power-supply system is harassed signal, realizes the inhibition of power-supply system harassing and wrecking signal to external world, and the protection ballast is not subjected to it to influence damage.The elementary winding L 1 of filter transformer T, second inductance L 2, first capacitor C 1, the 4th capacitor C 4 form the low pass passive filter, it can suppress the interference signal of existence in the power-supply system effectively, also can stop the interference signal of electronic device exterior to import ballast inside into, the interference signal that itself produces during the ballast of decaying widely again work passes to power-supply system, avoids polluting electrical network.The concrete syndeton of anti-emi filter circuit 1 is as follows: an end of the elementary winding L 1 of described filter transformer T is connected on the live wire L by protective tube F, the other end of the elementary winding L 1 of filter transformer T is connected simultaneously with an end of first capacitor C 1, second inductance L 2, the other end of second inductance L 2 is with after an end of the 4th capacitor C 4 is connected, as an output E of anti-emi filter circuit 1; One of the secondary winding L4 of filter transformer T terminates on the zero line N, and the other end of the secondary winding L4 of filter transformer T is connected another output F of back as anti-emi filter circuit 1 simultaneously with the other end of first capacitor C 1, the 4th capacitor C 4.
Current rectifying and wave filtering circuit 2 includes bridge rectifier and first resistance R 1 and the electrochemical capacitor C5 that is made up of first, second, third, fourth diode D1, D2, D3, D4, bridge rectifier becomes direct voltage with the 220V ac voltage rectifier of anti-emi filter circuit 1 output, pass through the filtering of electrochemical capacitor C5 again, form the direct voltage of about 300V.The positive pole of the described first diode D1 is connected the input of back as current rectifying and wave filtering circuit 2 with the negative pole of the 3rd diode D3, this input is connected with an output E of anti-emi filter circuit 1, the positive pole of the second diode D2 is with after the negative pole of the 4th diode D4 is connected, another input as current rectifying and wave filtering circuit 2, this input is connected with another output F of anti-emi filter circuit 1, first, the second diode D1, the negative pole while and first resistance R 1 of D2, the end of electrochemical capacitor C5 connects the output of back as current rectifying and wave filtering circuit 2, the 3rd, the 4th diode D3, the positive pole of D4, first resistance R 1, the other end of electrochemical capacitor C5 is ground connection respectively.
Trigger and remove starter signal integration circuit 3 and include second, third resistance R 2, R3, the 5th diode D5, bidirectional trigger diode DB3, the 6th capacitor C 6.The 3rd resistance R 3 can be charged to the 6th capacitor C 6, when voltage reaches 28-32V, bidirectional trigger diode DB3 snowslide conducting, make the series resonant circuit in switch frequency conversion and the output circuit 4 form self-oscillation, light fluorescent tube, after fluorescent tube was lighted, the 5th diode D5 can remove the starter signal.The end of second, third resistance R 2, R3 is connected with the output of current rectifying and wave filtering circuit 2 simultaneously, the other end of the 3rd resistance R 3 is connected simultaneously with the positive pole of the 5th diode D5, first base stage of bidirectional trigger diode DB3, an end of the 6th capacitor C 6, the other end of second resistance R 2 is connected with the negative pole of the 5th diode D5, the other end ground connection of the 6th capacitor C 6.
Switch frequency conversion and output circuit 4 include first, second switch triode Q1, Q2, excitation magnetic ring transformer, capacitance C3, the series resonant circuit that the 3rd inductance L 3, the 8th capacitor C 8 are formed.Under the triggering of bidirectional trigger diode DB3, the direct voltage of about 300V is by two switch triodes and excitation magnetic ring transformer, make series resonant circuit produce self-oscillation, become nearly sine wave, this sinusoidal wave 40-50KHZ left and right sides high frequency voltage is lighted fluorescent tube.The base stage of the described first switch triode Q1 is connected by the end of the 4th resistance R 4 with the first secondary winding T1-2 of excitation magnetic ring transformer, the other end of this first secondary winding T1-2 is connected with the negative pole of the 5th diode D5, the collector electrode of the first switch triode Q1 is connected with the output of current rectifying and wave filtering circuit 2, the collector electrode of the first switch triode Q1 is connected with an end of the last filament of fluorescent tube LANP by capacitance C3 simultaneously, the emitter of the first switch triode Q1 is by the other end of the 6th resistance R 6 and the first secondary winding T1-2, the collector electrode of second switch triode Q2 connects simultaneously, the base stage of second switch triode Q2 is connected with second base stage of bidirectional trigger diode DB3, the base stage of second switch triode Q2 is connected by the end of the 5th resistance R 5 with the second subprime winding T1-3 of excitation magnetic ring transformer simultaneously, the other end ground connection of this second subprime winding T1-3, the emitter of second switch triode Q2 is by the 7th resistance R 7 ground connection; The end of the elementary winding T1-1 of described excitation magnetic ring transformer is connected with the collector electrode of second switch triode Q2, the elementary winding T1-1 other end of excitation magnetic ring transformer is connected with an end of the following filament of fluorescent tube LANP by the 3rd inductance L 3, and the two ends of described the 8th capacitor C 8 are connected with the last filament of fluorescent tube LANP, the other end of following filament respectively.
Waveform for the driving loop of improving switch triode, an and clamping action, switch frequency conversion and output circuit 4 also include two clamp diode D6, D7, the negative pole of a clamp diode D6 is connected with the base stage of the first switch triode Q1, and the positive pole of this clamp diode D6 is connected with the emitter of the first switch triode Q1 by the 6th resistance R 6; The negative pole of another clamp diode D7 is connected with the base stage of second switch triode Q2, and the positive pole of this clamp diode D7 is connected with the emitter of second switch triode Q2 by the 7th resistance R 7.
In order to make switch triode stable equilibrium's work, switch frequency conversion and output circuit 4 also include phase compensation capacitor C 7, the one end is connected with the collector electrode of the first switch triode Q1, and the other end is connected with the emitter of the first switch triode Q1 by the 6th resistance R 6.
In order to limit the heater current of fluorescent tube, turn black in early days in the two ends that prevent fluorescent tube, switch frequency conversion and output circuit 4 also include two current-limiting circuits, a current-limiting circuit is arranged between capacitance C3 and the 8th capacitor C 8, and in parallel with last filament, this current-limiting circuit is composed in parallel by the 8th resistance R 8 and the tenth diode D10, wherein, the tenth diode D10 is anodal to be connected with capacitance C3, and the tenth diode D10 negative pole is connected with the 8th capacitor C 8; Another current-limiting circuit is arranged between the 3rd inductance L 3 and the 8th capacitor C 8, and it is in parallel with following filament, this current-limiting circuit is composed in parallel by the 9th resistance R 9 and the 11 diode D11, wherein, the 11 diode D11 is anodal to be connected with the 3rd inductance L 3, and the 11 diode D11 negative pole is connected with the 8th capacitor C 8.
High-frequency energy feedback circuit 5 includes a feedback capacity C2, and the one end is connected with an output E of anti-emi filter circuit 1, and the node between the last filament of the other end of feedback capacity C2 and capacitance C3 and fluorescent tube LANP is connected.Wherein the capacitance scope of feedback capacity C2 is: 223J-104J (22000PF-100000PF).
Operation principle of the present utility model is as follows: after the input of anti-emi filter circuit 1 is received the 220V electric main, through anti-emi filter circuit 1, pass through the rectification of bridge rectifier of current rectifying and wave filtering circuit 2 and the filtering of electrochemical capacitor C5 again, obtain near approximately 300V direct voltage, supply with whole ballast electricity consumption.Trigger and remove 3 pairs the 6th capacitor C of the 3rd resistance R, 6 chargings of starter signal integration circuit 3, the voltage of the 6th capacitor C 6 progressively rises to the breakover voltage (generally being 28V-32V) of bidirectional trigger diode DB3, bidirectional trigger diode DB3 conducting provides base current for second switch triode Q2, second switch triode Q2 conducting, also conducting thereupon of the 5th diode D5 after the bidirectional trigger diode DB3 conducting, the instantaneous variation of second switch triode Q2 collector electrode makes the elementary winding T1-1 of excitation magnetic ring transformer respectively at the first secondary winding T1-2, the two ends of second subprime winding T1-3 form induced potential, cause the electric current of second switch triode Q2 collector electrode further to increase, until the excitation magnetic ring transformer produces magnetic saturation, when second switch triode Q2 conducting, the residual charge of second switch triode Q2 discharges by the 5th diode D5; When second switch triode Q2 conducting, current circuit is: the output of current rectifying and wave filtering circuit 2, capacitance C3, go up filament, the 8th capacitor C 8, down filament, the 3rd inductance L 3, the elementary winding T1-1 of excitation magnetic ring transformer, second switch triode Q2.Second switch triode Q2 is to the 3rd inductance L 3,8 chargings of the 8th capacitor C.At second switch triode Q2 to the 3rd inductance L 3, the process of the 8th capacitor C 8 chargings, the induced potential that elementary winding T1-1 produces is coupled to the first secondary winding T1-2, second subprime winding T1-3, because second subprime winding T1-3 and elementary winding T1-1 are reverse, and the first secondary winding T1-2 and elementary winding T1-1 are in the same way, the induced potential of second subprime winding T1-3 causes the base potential of second switch triode Q2 by just becoming negative, second switch triode Q2 is ended, and the induced potential of the first secondary winding T1-2 causes the base potential of the first switch triode Q1 just being become by negative, make the first switch triode Q1 conducting, when the first switch triode Q1 conducting, current circuit is: the output of current rectifying and wave filtering circuit 2, the first switch triode Q1, the elementary winding T1-1 of excitation magnetic ring transformer, the 3rd inductance L 3, following filament, the 8th capacitor C 8, last filament, capacitance C3, the output of current rectifying and wave filtering circuit 2.Realize the 3rd inductance L 3,8 discharges of the 8th capacitor C in this loop.Positive and negative cyclic variation by excitation magnetic ring transformer magnetic flux, make the switch triode Q1 that wins, second switch triode Q2 takes turns saturation conduction, self-oscillation has just been set up like this, the high-frequency signal that vibration produces is through the 3rd inductance L 3, the series resonant circuit that the 8th capacitor C 8 is formed, cause series resonance, so produce the high frequency voltage of near sinusoidal ripple at the two ends of the 8th capacitor C 8, be added to lamp tube ends, the rapid starter of fluorescent tube is lighted, when circuit has satisfied phase place and amplitude conditions through the vibration of triggering for generating and can keep voluntarily, remove the work of bidirectional trigger diode DB3 with the phase place of the 5th diode D5, to stop further starter signal, in a single day fluorescent tube is lighted, the 3rd inductance L 3 just plays the effect of current limliting.
The technical indicator of this patent is as follows:
Supply voltage: AC220V, 50HZ
Power factor: greater than 0.98
Lamp current crest coefficient: less than 1.7
Lumen coefficient: greater than 95
The low distortion of current harmonics: 3C standard
Lamp operating frequency: greater than 40KHZ.
Claims (10)
1, a kind of ballast that is used on the electricity-saving lamp is characterized in that including:
The one anti-emi filter circuit (1) that is connected with extraneous 220V AC power;
One current rectifying and wave filtering circuit (2), its ac voltage rectifier with anti-emi filter circuit (1) output is filtered into direct voltage, for triggering and remove starter signal integration circuit (3) and switch frequency conversion and output circuit (4) power supply;
One triggers and removes starter signal integration circuit (3), and it produces and triggers the starter signal or remove the starter signal;
One switch frequency conversion and output circuit (4), it carries out self-oscillation, produces the high frequency voltage that can light fluorescent tube (LANP) triggering and remove under the triggering starter signal controlling that starter signal integration circuit (3) sends;
One is connected the high-frequency energy feedback circuit (5) between the output of the filament of fluorescent tube (LANP) and anti-emi filter circuit (1), and it makes the current waveform of filament follow the tracks of the voltage waveform of the output of anti-emi filter circuit (1).
2, a kind of ballast that is used on the electricity-saving lamp according to claim 1, it is characterized in that anti-emi filter circuit (1) includes protective tube (F), filter transformer (T), second inductance (L2), first electric capacity (C1), the 4th electric capacity (C4), one end of the elementary winding (L1) of described filter transformer (T) is connected on the live wire (L) by protective tube (F), the other end of the elementary winding (L1) of filter transformer (T) and first electric capacity (C1), one end of second inductance (L2) connects simultaneously, and the other end of second inductance (L2) is connected the output (E) of back as anti-emi filter circuit (1) with an end of the 4th electric capacity (C4); One of the secondary winding (L4) of filter transformer (T) terminates on the zero line (N), and the other end of the secondary winding (L4) of filter transformer (T) is connected back another output (F) as anti-emi filter circuit (1) simultaneously with the other end of first electric capacity (C1), the 4th electric capacity (C4).
3, a kind of ballast that is used on the electricity-saving lamp according to claim 2, it is characterized in that current rectifying and wave filtering circuit (2) includes by first, second, the 3rd, the 4th diode (D1, D2, D3, D4) bridge rectifier of Zu Chenging and first resistance (R1) and electrochemical capacitor (C5), the positive pole of first diode (D1) is connected the input of back as current rectifying and wave filtering circuit (2) with the negative pole of the 3rd diode (D3), this input is connected with an output (E) of anti-emi filter circuit (1), the positive pole of second diode (D2) is connected back another input as current rectifying and wave filtering circuit (2) with the negative pole of the 4th diode (D4), this input is connected with another output (F) of anti-emi filter circuit (1), first, second diode (the D1, D2) negative pole while and first resistance (R1), after one end of electrochemical capacitor (C5) connects, output as current rectifying and wave filtering circuit (2), the 3rd, the 4th diode (D3, D4) positive pole, first resistance (R1), the other end of electrochemical capacitor (C5) is ground connection respectively.
4, a kind of ballast that is used on the electricity-saving lamp according to claim 3, it is characterized in that triggering and remove starter signal integration circuit (3) and include second, the 3rd resistance (R2, R3), the 5th diode (D5), bidirectional trigger diode (DB3), the 6th electric capacity (C6), second, the 3rd resistance (R2, R3) a end is connected with the output of current rectifying and wave filtering circuit (2) simultaneously, the positive pole of the other end of the 3rd resistance (R3) and the 5th diode (D5), first base stage of bidirectional trigger diode (DB3), one end of the 6th electric capacity (C6) connects simultaneously, the other end of second resistance (R2) is connected with the negative pole of the 5th diode (D5), the other end ground connection of the 6th electric capacity (C6).
5, a kind of ballast that is used on the electricity-saving lamp according to claim 4, it is characterized in that switch frequency conversion and output circuit (4) include first, second switch triode (Q1, Q2), the excitation magnetic ring transformer, capacitance (C3), the 3rd inductance (L3), the series resonant circuit that the 8th electric capacity (C8) is formed, the base stage of first switch triode (Q1) is connected by the end of the 4th resistance (R4) with first secondary winding (T1-2) of excitation magnetic ring transformer, the other end of this first secondary winding (T1-2) is connected with the negative pole of the 5th diode (D5), the collector electrode of first switch triode (Q1) is connected with the output of current rectifying and wave filtering circuit (2), the collector electrode of first switch triode (Q1) is connected with an end of the last filament of fluorescent tube (LANP) by capacitance (C3) simultaneously, the emitter of first switch triode (Q1) is by the other end of the 6th resistance (R6) with first secondary winding (T1-2), the collector electrode of second switch triode (Q2) connects simultaneously, the base stage of second switch triode (Q2) is connected with second base stage of bidirectional trigger diode (DB3), the base stage of second switch triode (Q2) is connected by the end of the 5th resistance (R5) with the second subprime winding (T1-3) of excitation magnetic ring transformer simultaneously, the other end ground connection of this second subprime winding (T1-3), the emitter of second switch triode (Q2) is by the 7th resistance (R7) ground connection; One end of the elementary winding (T1-1) of described excitation magnetic ring transformer is connected with the collector electrode of second switch triode (Q2), elementary winding (T1-1) other end of excitation magnetic ring transformer is connected with an end of the following filament of fluorescent tube (LANP) by the 3rd inductance (L3), and the two ends of described the 8th electric capacity (C8) are connected with the last filament of fluorescent tube (LANP), the other end of following filament respectively.
6, a kind of ballast that is used on the electricity-saving lamp according to claim 5, it is characterized in that high-frequency energy feedback circuit (5) includes a feedback capacity (C2), the one end is connected with an output (E) of anti-emi filter circuit (1), and the node between the last filament of the other end of feedback capacity (C2) and capacitance (C3) and fluorescent tube (LANP) is connected.
7, a kind of ballast that is used on the electricity-saving lamp according to claim 6 is characterized in that the capacitance scope of feedback capacity (C2) is: 22000PF-100000PF.
8, a kind of ballast that is used on the electricity-saving lamp according to claim 5, it is characterized in that switch frequency conversion and output circuit (4) also include two clamp diodes (D6), (D7), the negative pole of a clamp diode (D6) is connected with the base stage of first switch triode (Q1), and the positive pole of this clamp diode (D6) is connected with the emitter of first switch triode (Q1) by the 6th resistance (R6); The negative pole of another clamp diode (D7) is connected with the base stage of second switch triode (Q2), and the positive pole of this clamp diode (D7) is connected with the emitter of second switch triode (Q2) by the 7th resistance (R7).
9, a kind of ballast that is used on the electricity-saving lamp according to claim 5, it is characterized in that switch frequency conversion and output circuit (4) also include phase compensation electric capacity (C7), the one end is connected with the collector electrode of first switch triode (Q1), and the other end is connected with the emitter of first switch triode (Q1) by the 6th resistance (R6).
10, a kind of ballast that is used on the electricity-saving lamp according to claim 5, it is characterized in that switch frequency conversion and output circuit (4) also include two current-limiting circuits, a current-limiting circuit is arranged between capacitance (C3) and the 8th electric capacity (C8), and it is in parallel with last filament, this current-limiting circuit is composed in parallel by the 8th resistance (R8) and the tenth diode (D10), wherein, the tenth diode (D10) is anodal to be connected with capacitance (C3), and the tenth diode (D10) negative pole is connected with the 8th electric capacity (C8); Another current-limiting circuit is arranged between the 3rd inductance (L3) and the 8th electric capacity (C8), and it is in parallel with following filament, this current-limiting circuit is composed in parallel by the 9th resistance (R9) and the 11 diode (D11), wherein, the 11 diode (D11) is anodal to be connected with the 3rd inductance (L3), and the 11 diode (D11) negative pole is connected with the 8th electric capacity (C8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202037072U CN201319691Y (en) | 2008-11-15 | 2008-11-15 | Ballast for electricity-saving lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202037072U CN201319691Y (en) | 2008-11-15 | 2008-11-15 | Ballast for electricity-saving lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319691Y true CN201319691Y (en) | 2009-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202037072U Expired - Fee Related CN201319691Y (en) | 2008-11-15 | 2008-11-15 | Ballast for electricity-saving lamp |
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| Country | Link |
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| CN (1) | CN201319691Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102215625A (en) * | 2010-04-05 | 2011-10-12 | 李守运 | Novel energy-saving high-frequency ballast |
| WO2012140460A1 (en) * | 2011-04-15 | 2012-10-18 | Enerlite Limited | Discharge lamp and method of manufacturing discharge lamp |
| CN107947600A (en) * | 2017-12-06 | 2018-04-20 | 麦蔺施 | A kind of high frequency and high voltage power supply device and electronic equipment |
| CN110277925A (en) * | 2019-07-03 | 2019-09-24 | 嘉兴福气多温控床有限公司 | The power circuit of temperature control waistband |
| CN111934564A (en) * | 2020-10-15 | 2020-11-13 | 佛山市冉智电子科技有限公司 | High-frequency alternating current power supply control circuit of electron tube power amplifier |
-
2008
- 2008-11-15 CN CNU2008202037072U patent/CN201319691Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102215625A (en) * | 2010-04-05 | 2011-10-12 | 李守运 | Novel energy-saving high-frequency ballast |
| CN102215625B (en) * | 2010-04-05 | 2015-03-11 | 李守运 | Novel energy-saving high-frequency ballast |
| WO2012140460A1 (en) * | 2011-04-15 | 2012-10-18 | Enerlite Limited | Discharge lamp and method of manufacturing discharge lamp |
| CN107947600A (en) * | 2017-12-06 | 2018-04-20 | 麦蔺施 | A kind of high frequency and high voltage power supply device and electronic equipment |
| CN107947600B (en) * | 2017-12-06 | 2023-09-26 | 大连友昕科技发展有限公司 | High-frequency high-voltage power supply device and electronic equipment |
| CN110277925A (en) * | 2019-07-03 | 2019-09-24 | 嘉兴福气多温控床有限公司 | The power circuit of temperature control waistband |
| CN111934564A (en) * | 2020-10-15 | 2020-11-13 | 佛山市冉智电子科技有限公司 | High-frequency alternating current power supply control circuit of electron tube power amplifier |
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Granted publication date: 20090930 Termination date: 20111115 |