CN101404460A - Amplitude modulation type energy accumulation frequency conversion circuit - Google Patents
Amplitude modulation type energy accumulation frequency conversion circuit Download PDFInfo
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- CN101404460A CN101404460A CNA2008100295360A CN200810029536A CN101404460A CN 101404460 A CN101404460 A CN 101404460A CN A2008100295360 A CNA2008100295360 A CN A2008100295360A CN 200810029536 A CN200810029536 A CN 200810029536A CN 101404460 A CN101404460 A CN 101404460A
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Abstract
The invention relates to an amplitude modulation type energy storage and frequency conversion circuit, comprising a voltage source, a periodic circuit, a fluorescent lamp circuit and a stabilizing circuit; wherein, the input terminal of the voltage source is connected with a dimmer, the output terminal thereof is connected with a bridge rectifier; the periodic circuit is provided with two transistors Q1 and Q2 and a group of self-induction coils connected in series; the fluorescent lamp circuit is provided with a protection circuit and a fluorescent tube; the stabilizing circuit consists of two capacitors C1 and C2 that are connected in series and between which a diode D1 is arranged; furthermore, the capacitors C1 and C2 provide a compensation voltage for the load after being charged. By the structure, the dimmer can be directly arranged on any terminal of the input voltage source, thus reducing the wiring difficulty and material cost; besides, the dimmer generates no flickers while adjusting the brightness of the fluorescent lamp.
Description
Technical field
The present invention relates to a kind of amplitude modulation type energy accumulation frequency conversion circuit, especially refer to a kind of capacitor charge and discharge principle of utilizing, and reduce the transient voltage of load that voltage source provides, the voltage distortion that is produced when getting final product oscillation-damped, when fluorescent tube during, in order to do to reach the effect of not glimmering in dimmer for light control.
Background technology
People are more and more high for the requirement of quality of life in recent years, and the brightness cording of space illumination has the variability of power, demand that just can the person of being used, enjoy with the sense organ that reaches the most comfortable, and common tunable optical electric stabilizer, as shown in Figure 6, it includes: a fluorescent lamp (60), one stabilizer (70) and a dimmer (80) are formed by connecting, its stabilizer (70) is connected with a power end (71), and the other end can be connected in parallel to a plurality of fluorescent lamps (60), control window (72) and between oscillating circuit and arc circuit, be provided with one within the stabilizer (70), and with lead (73) to being externally connected with a dimmer (80), its dimmer (80) is to be used for changing stabilizer (70) output frequency that oscillating circuit produced, can adjust the brightness of fluorescent lamp (60), yet, this dimmer (80) is to locate to connect lead (73) by the control window (72) of stabilizer (70), and dimmer (80) is set in making things convenient for the user to control part, promptly must additionally carry out distribution, not only cause the inconvenience of construction, also increase the time of distribution and the cost of wire rod.
And desire reduces the time of cooperation and the cost of wire rod, dimmer (80) directly can be series at power end (71), and carry out light modulation in the mode of adjusting voltage swing, and the process of adjustment, again please by shown in the 7th, 8 figure, wherein voltage CH1 system is by the output voltage that records within the stabilizer (70), and voltage CH2 is the input voltage of stabilizer (70) and power end (71) junction, when not adjusting (as shown in Figure 7), its voltage CH1 is in high-voltage state, and fluorescent lamp (60) is the brightest brightness; When adjustment dimmer (80) reduces the brightness of fluorescent lamp (70) (as shown in Figure 8), its voltage CH1's is its voltage of downward adjustment, and voltage CH2 system is subjected to the interference of stabilizer (70) and produces unsteady distortion, make the electric current of input produce intermittent variation, the fluorescent lamp (60) that promptly results in the brightness adjustment is to produce flicker, causes and uses last inconvenience.
Summary of the invention
The present invention's main purpose provides a kind of amplitude modulation type energy accumulation frequency conversion circuit, it utilizes the capacitor charge and discharge principle, and reduces the transient voltage of load that voltage source provides, the voltage distortion that is produced when getting final product oscillation-damped, when fluorescent tube during, in order to do to reach the effect of not glimmering in dimmer for light control.
Another object of the present invention provides a kind of amplitude modulation type energy accumulation frequency conversion circuit, and it can not need additionally to connect lead with the dimmer on-line equipment on the input or output of input voltage source, mat and effectively low distribution cost, also ease of assembly.
For reaching above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of amplitude modulation type energy accumulation frequency conversion circuit comprises a voltage source, an oscillating circuit, a fluorescent lamp circuit and a stabilizing circuit, wherein
This voltage source system is used for alternating current is carried out halfwave rectifier, and to change the size of input voltage, the one input end of voltage source or an output are for the dimmer on-line equipment;
This oscillating circuit is in parallel with the aforementioned electric potential source, and it converts the half-wave alternating current of aforementioned electric potential source input to high-frequency alternating current alternately with self inductance effect;
This fluorescent lamp circuit system is connected between oscillating circuit and the stabilizing circuit, and the high-frequency alternating current of aforementioned oscillating circuit generation is imported in this fluorescent lamp circuit, produces arc glow with potential difference;
This stabilizing circuit and aforementioned electric potential source, oscillating circuit are in parallel, by the charging of aforementioned electric potential source, and discharge when voltage source is not enough, to stablize the voltage of its fluorescent lamp circuit.
As a kind of preferred version, described stabilizing circuit system includes two capacitor C 1 and C2, between this capacitor C 1 and the C2 for being connected in series.
As a kind of preferred version, be provided with diode D1 between described capacitor C 1 and the C2, this capacitor C 1 and C2 provide a bucking voltage in charging back system to load again.
As a kind of preferred version, be provided with a capacitor C 2 in the described stabilizing circuit, and be parallel with a feedback inductance L 1.
As a kind of preferred version, described stabilizing circuit butts up against the two ends of bridge rectifier, and this stabilizing circuit system connects the output of oscillating circuit again.
As a kind of preferred version, described voltage source is that a low frequency ac is provided, and its input is connected with a dimmer, and output connects a bridge rectifier.
As a kind of preferred version, the voltage adjusting range of described dimmer is 100V to 300V.
As a kind of preferred version, described oscillating circuit is provided with two-transistor Q1 and Q2, and the one group of self-induction coil of connecting, and with the potential difference of capacitor C 3 and C4 fluorescent tube is carried out electric arc and jump.
As a kind of preferred version, the current potential of described capacitor C 4 is at least the octuple of the current potential of C3.
As a kind of preferred version, described fluorescent lamp circuit is circumscribed with a FM circuit, and this FM circuit system is used to increase the amplitude of the adjustable brightness of fluorescent tube; Further be provided with a protective circuit in the fluorescent lamp circuit.
After the present invention used technique scheme, its beneficial effect was:
(1), the capacitor C 1 of two series connection in stabilizing circuit is carried out charge and discharge process with C2, system can stablize its input voltage, therefore but dimmer system on-line equipment is on the one input end of input voltage source or on the one output, in order to do to reduce distribution difficulty and wire rod cost.
(2), system is provided with two capacitor C that is connected in series 1 and C2 in the stabilizing circuit, and when being lower than the accumulate voltage of capacitor C 1 and C2, input voltage discharges, do the distortion that the time spent is produced to reduce dimmer, can be in the situation of not glimmering, and the brightness of adjustment fluorescent lamp.
Description of drawings
Fig. 1 is the present invention's circuit diagram.
Fig. 2 is the present invention's capacitor C 1 and the voltage oscillogram that discharges and recharges of C2.
Fig. 3 comes from voltage oscillogram under the high voltage situation for the present invention's stabilizing circuit and voltage.
Fig. 4 comes from voltage oscillogram under the low voltage conditions for the present invention's stabilizing circuit and voltage.
Fig. 5 is the circuit diagram of another embodiment of the present invention.
Fig. 6 is the schematic diagram of known dimming electronic formula stabilizer.
Fig. 7 comes from voltage oscillogram under the high voltage situation for known stabilizer and voltage.
Fig. 8 comes from voltage oscillogram under the low voltage conditions for known stabilizer and voltage.
The accompanying drawing identifier declaration:
Voltage source----(10) dimmer----(11)
Bridge rectifier---(12)
Oscillating circuit--(20) self-induction coil---(21)
Fluorescent lamp circuit--(30) fluorescent tube---(31)
Protective circuit---(32)
Stabilizing circuit--(40) FM circuit---(50)
Transistor Q1, Q2
Diode D1, D2, D3
Voltage waveform CH1, CH2
Embodiment
The invention will be further described below in conjunction with accompanying drawing and specific embodiment:
At first with reference to shown in Figure 1, a kind of amplitude modulation photoreceptor circuit, it includes: a voltage source (10), one oscillating circuit (20), one fluorescent lamp circuit (30) and a stabilizing circuit (40) combine, one voltage source (10) is alternating current can be carried out halfwave rectifier, and can change the size of input voltage, one oscillating circuit (20) is to convert the half-wave alternating current to high-frequency alternating current with self inductance effect, this high-frequency ac electric system is input in the fluorescent lamp circuit (30), its fluorescent lamp circuit (30) is to produce electric arc to jump with potential difference, when one stabilizing circuit (40) lies in fluorescent lamp circuit (30) charging, produce discharge effect and fail the voltage supplied to replenish voltage source (10), when fluorescent lamp circuit (30) discharges in addition, this stabilizing circuit (40) is by the charging of voltage source (10) end, its voltage source (10), oscillating circuit (20) and stabilizing circuit (40) are relation in parallel, and fluorescent lamp circuit (30) is to be connected between oscillating circuit (20) and the stabilizing circuit (40) in addition.
Its voltage source (10) is that a low frequency ac is provided; its input system is connected with a dimmer (11); connect a bridge rectifier (12) in output; this bridge rectifier (12) is to carry out halfwave rectifier; the current conversion that is voltage source (10) becomes the half-wave alternating current; and voltage source (10) is that the two ends by bridge rectifier (12) outwards connect; one oscillating circuit (20) is to convert the half-wave alternating current to a high-frequency alternating current via vibration; this oscillating circuit (20) is to be provided with two-transistor Q1 and Q2; and the one group of self-induction coil (21) of connecting; and with the potential difference of capacitor C 3 and C4 fluorescent tube (31) is carried out electric arc and jump; the current potential of this capacitor C 4 is at least the octuple of the current potential of C3; be provided with a protective circuit (32) in this fluorescent lamp circuit (30) again; and fluorescent tube (31) is to can be a plurality of institutes to be formed in parallel; one stabilizing circuit (40) is to include two capacitor C 1 and C2; this capacitor C 1 and C2 are connected in series; and be provided with diode D1 between capacitor C 1 and the C2; and the two outputs system in stabilizing circuit (40) is provided with diode D2 and D3; this capacitor C 1 and C2 provide a bucking voltage in charging back system to load again; this stabilizing circuit (40) is the two ends that butt up against bridge rectifier (12); this stabilizing circuit (40) is the output that connects oscillating circuit (20) again; fluorescent lamp circuit (30) is arranged between stabilizing circuit (40) and the oscillating circuit (20); and locate in addition can be circumscribed with a FM circuit (50) in fluorescent lamp circuit (30), this FM circuit (50) is the amplitude that is used to increase the adjustable brightness of fluorescent tube (31).
Refer again to Fig. 2 and cooperate shown in Figure 1, it is mainly formed this stabilizing circuit (40) with C2 by the capacitor C 1 of two series connection, its charge and discharge process system is controlled by the size of input voltage, with input voltage 300V is example, the input voltage of this rising is that capacitor C 1 is charged with C2 before Ta, this capacitor C 1 is saturation condition with half (during 150V) that C2 is set in input voltage, and input voltage is between the Ta to Tb the time, its capacitor C 1 is in C2 system and stops charged state, this electric current system is flowed out by the bridge rectifier (12) of voltage source (10), and flow through capacitor C 1 back towards diode D1, form charge circuit by capacitor C 2 side joint ground at last, input voltage continues to descend and be lower than 1/2nd input voltages (during 150V), be input voltage be lower than capacitor C 1 connect with capacitor C 2 back generation potential level, capacitor C 1 promptly begins to discharge with C2, the time of its discharge means that input voltage is between the Tb to Td, its b, the triangle that forms is the bucking voltage that stabilizing circuit (40) is recharged between 3 of c and the d, this moment, capacitor C 1 was discharged to diode D2 place, and capacitor C 2 is to discharge to diode D3 place, and electric current flows to load through D1 and D2, the voltage drop of integrated circuit is reduced, when input voltage rises above 150V again once again, this capacitor C 1 begins to carry out charging process again to the Te place with C2 system, replenish input voltage when voltage rises required voltage in order to do with the elimination voltage distortion that input voltage was produced.
Its dimmer (11) is in the voltage waveform of light modulation process, system tries to please and easily judges the waveform of its variation, again please by the 3rd, 4 figure cooperate shown in Figure 1, wherein, the voltage adjusting range of dimmer (11) is 100V to 300V, voltage CH1 is the capacitor C 1 of stabilizing circuit (40) and the voltage difference at C2 two ends, and voltage CH2 is the input voltage of voltage source (10) end, as voltage CH1 during in high voltage (as shown in Figure 3), its fluorescent lamp (31) is brighter state, and voltage CH2 system keeps the state of sine wave, when dimmer (11) when input voltage is turned down (as shown in Figure 4), the voltage system of its voltage CH2 reduces, and the waveform of sine wave system is subjected to filling of capacitor C 1 and C2, discharge process and produce a bucking voltage makes input voltage form stable waveform, and therefore the voltage of voltage CH1 also adjusted downwards, can the brightness of fluorescent lamp (31) be reduced in the situation of not glimmering.
Another embodiment of the present invention please refer to shown in Figure 5ly, is combined by a voltage source (10), an oscillating circuit (20), a fluorescent lamp circuit (30) and a stabilizing circuit (40) equally, and it does not exist together is that stabilizing circuit (40) is located.Its stabilizing circuit (40) is to be connected between bridge rectifier (12) and the oscillating circuit (20), system is provided with a capacitor C 2 in this stabilizing circuit (40), and be parallel with a feedback inductance L 1, when this capacitor C 2 is charged again, its feedback inductance L 1 is synchronously to capacitor C 2 chargings, system reduces the charge volume of voltage source (10) to capacitor C 2, do the distortion that the time spent is produced to reduce dimmer (11), cooperate by capacitor C 2 and feedback inductance L 1, the effect of not glimmering when system can reach light modulation can reduce the difficulty and the wire rod cost of distribution again when (11) in its dimmer of installing.
Structure by above-mentioned specific embodiment, can obtain following beneficial effect: the capacitor C 1 and the C2 of (one) two series connection in stabilizing circuit (40) carry out charge and discharge process, system can stablize its input voltage, therefore dimmer (11) but be that on-line equipment is on the one input end of input voltage source (10) or on the one output, in order to do to reduce distribution difficulty and wire rod cost; (2) system is provided with two capacitor C that is connected in series 1 and C2 in the stabilizing circuit (40), and when being lower than the accumulate voltage of capacitor C 1 and C2, input voltage discharges, do the distortion that the time spent is produced to reduce dimmer (11), can be in the situation of not glimmering, and the brightness of adjustment fluorescent lamp (31).
The above only is the preferred embodiment of a kind of amplitude modulation type energy accumulation frequency conversion circuit of the present invention, is not that technical scope of the present invention is imposed any restrictions.So every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment did.
Claims (10)
1, a kind of amplitude modulation type energy accumulation frequency conversion circuit is characterized in that: comprise a voltage source, an oscillating circuit, a fluorescent lamp circuit and a stabilizing circuit, wherein
This voltage source system is used for alternating current is carried out halfwave rectifier, and to change the size of input voltage, the one input end of voltage source or an output are for the dimmer on-line equipment;
This oscillating circuit is in parallel with the aforementioned electric potential source, and it converts the half-wave alternating current of aforementioned electric potential source input to high-frequency alternating current alternately with self inductance effect;
This fluorescent lamp circuit system is connected between oscillating circuit and the stabilizing circuit, and the high-frequency alternating current of aforementioned oscillating circuit generation is imported in this fluorescent lamp circuit, produces arc glow with potential difference;
This stabilizing circuit and aforementioned electric potential source, oscillating circuit are in parallel, by the charging of aforementioned electric potential source, and discharge when voltage source is not enough, to stablize the voltage of its fluorescent lamp circuit.
2, the amplitude modulation type energy accumulation frequency conversion circuit according to claim 1 is characterized in that: described stabilizing circuit system includes two capacitor C 1 and C2, between this capacitor C 1 and the C2 for being connected in series.
3, the amplitude modulation type energy accumulation frequency conversion circuit according to claim 2 is characterized in that: be provided with diode D1 between described capacitor C 1 and the C2, this capacitor C 1 and C2 provide a bucking voltage in charging back system to load again.
4, the amplitude modulation type energy accumulation frequency conversion circuit according to claim 1 is characterized in that: be provided with a capacitor C 2 in the described stabilizing circuit, and be parallel with a feedback inductance L 1.
5, the amplitude modulation type energy accumulation frequency conversion circuit according to claim 1, it is characterized in that: described stabilizing circuit butts up against the two ends of bridge rectifier, and this stabilizing circuit system connects the output of oscillating circuit again.
6, the amplitude modulation type energy accumulation frequency conversion circuit according to claim 1 is characterized in that: described voltage source system provides a low frequency ac, and its input is connected with a dimmer, and output connects a bridge rectifier.
7, the amplitude modulation type energy accumulation frequency conversion circuit according to claim 6, it is characterized in that: the voltage adjusting range of described dimmer is 100V to 300V.
8, the amplitude modulation type energy accumulation frequency conversion circuit according to claim 1, it is characterized in that: described oscillating circuit is provided with two-transistor Q1 and Q2, and the one group of self-induction coil of connecting, and with the potential difference of capacitor C 3 and C4 fluorescent tube is carried out electric arc and jump.
9, described according to Claim 8 amplitude modulation type energy accumulation frequency conversion circuit, it is characterized in that: the current potential of described capacitor C 4 is at least the octuple of the current potential of C3.
10, the amplitude modulation type energy accumulation frequency conversion circuit according to claim 1, it is characterized in that: described fluorescent lamp circuit is circumscribed with a FM circuit, and this FM circuit system is used to increase the amplitude of the adjustable brightness of fluorescent tube; Further be provided with a protective circuit in the fluorescent lamp circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100295360A CN101404460A (en) | 2008-07-17 | 2008-07-17 | Amplitude modulation type energy accumulation frequency conversion circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100295360A CN101404460A (en) | 2008-07-17 | 2008-07-17 | Amplitude modulation type energy accumulation frequency conversion circuit |
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| CN101404460A true CN101404460A (en) | 2009-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100295360A Pending CN101404460A (en) | 2008-07-17 | 2008-07-17 | Amplitude modulation type energy accumulation frequency conversion circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104470169A (en) * | 2014-12-31 | 2015-03-25 | 深圳市华星光电技术有限公司 | Ultraviolet ray fluorescent lamp assembly and alignment ultraviolet ray irradiation device |
| CN111330156A (en) * | 2020-03-12 | 2020-06-26 | 首都医科大学宣武医院 | Constant-current stimulation circuit, electric stimulator and signal output method thereof |
| CN117674238A (en) * | 2024-01-31 | 2024-03-08 | 啸驰电气股份有限公司 | Energy storage frequency converter |
-
2008
- 2008-07-17 CN CNA2008100295360A patent/CN101404460A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104470169A (en) * | 2014-12-31 | 2015-03-25 | 深圳市华星光电技术有限公司 | Ultraviolet ray fluorescent lamp assembly and alignment ultraviolet ray irradiation device |
| CN111330156A (en) * | 2020-03-12 | 2020-06-26 | 首都医科大学宣武医院 | Constant-current stimulation circuit, electric stimulator and signal output method thereof |
| CN111330156B (en) * | 2020-03-12 | 2024-05-14 | 首都医科大学宣武医院 | Constant-current stimulation circuit, electric stimulator and signal output method thereof |
| CN117674238A (en) * | 2024-01-31 | 2024-03-08 | 啸驰电气股份有限公司 | Energy storage frequency converter |
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Open date: 20090408 |