CN101990351A - Fluorescent lamp preheating control device and method thereof - Google Patents
Fluorescent lamp preheating control device and method thereof Download PDFInfo
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- CN101990351A CN101990351A CN2009101640447A CN200910164044A CN101990351A CN 101990351 A CN101990351 A CN 101990351A CN 2009101640447 A CN2009101640447 A CN 2009101640447A CN 200910164044 A CN200910164044 A CN 200910164044A CN 101990351 A CN101990351 A CN 101990351A
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Abstract
The invention relates to a fluorescent lamp preheating control device and a method thereof. The fluorescent lamp preheating control device comprises an oscillation signal generator, a digital counter and a frequency programmer, wherein the oscillation signal generator can generate oscillation signals, the digital counter can count the oscillation signals, and the frequency programmer can generate an analog frequency instruction on the basis of the counting of the digital counter so that the oscillation signal generator controls the oscillation frequency according to the analog frequency instruction. When the fluorescent lamp preheating control device and the method thereof of the invention are used, the digital-to-analog technology is adopted for frequency control without relying on large-resistance capacitors.
Description
Technical field
The present invention relates to a kind of electronic installation, particularly relate to a kind of electric ballast and application thereof, be i.e. fluorescent lamp pre-heating control device and method thereof.
Background technology
In recent years because industrial and commercial flourishing, social progress, the product that provides relatively also is primarily aimed at facility, certain, economical and practically is purport, and therefore, current development product is also than more progressive in the past, and contribute social.
Ballast generally can be divided into two classes: cold cathode and hot cathode.Before startup, the two poles of the earth filament is appropriate heating in advance, with when starting, helps the high voltage of the lamp tube ends that puts on to generate electrical discharge arc between the filament of the two poles of the earth, fluorescent tube is started also smoothly light fully.So, fully preheating of filament makes the point of the fluorescent tube number of times that goes out improve, and can effectively suppress the fluorescent tube melanism and prolong its life-span.
The integrated circuit of ballast controller can be used in the driving ballast widely, and it can be self-vibration half-bridge driver (self oscillatory half-bridge driver) basically.About the means of preheating, integrated circuit produces the higher-order of oscillation in initial state, drops to operating frequency then at leisure.Traditional way is to utilize big resistance capacitance to go to set between initial frequency of oscillation, final frequency of oscillation and warming up period.Because be fixed on about the several seconds between warming up period, thus need large capacitor, however large capacitor is difficult to be arranged on integrated circuit.
This shows that above-mentioned existing ballast obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of new fluorescent lamp pre-heating control device and method thereof, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The objective of the invention is to, overcome the defective that existing ballast exists, and a kind of new fluorescent lamp pre-heating control device and method thereof, technical problem to be solved are provided is to make its utilization digital simulation technique working frequency control and need not to be provided with big resistance capacitance, is very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to one embodiment of the invention, the fluorescent lamp pre-heating control device comprises oscillator signal generator, digit counter and frequency programs device (frequency programmer).Structurally, digit counter electrically connects the oscillator signal generator, and the frequency programs device electrically connects digit counter and oscillator signal generator.In use, the oscillator signal generator can produce at least one oscillator signal, makes ballast operate fluorescent lamp based on oscillator signal.Digit counter can be counted oscillator signal.The counting that the frequency programs device can be done based on digit counter and produce analog frequency instruction is so that the oscillator signal generator is according to the frequency of oscillation of analog frequency commands for controlling oscillator signal.
So, when using the fluorescent lamp pre-heating control device, adopting the digital-to-analogue technology is that fluorescent lamp is done pre-thermal control, and need not rely on big resistance capacitance.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
When the fluorescent lamp pre-heating control device started, digit counter can be reset, so that count again.In addition, digit counter can stop counting when the counting of being done reaches a predetermined value, so that the counting that the frequency programs device is done based on digit counter and carry out corresponding work.
The said frequencies programmer comprises a digital to analog converter, so that provide analog frequency to instruct to the oscillator signal generator.
Above-mentioned oscillator signal generator can be a modulated oscillator, so that instruction goes to adjust frequency of oscillation according to analog frequency, produces oscillator signal according to this.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to another embodiment of the present invention, the fluorescent lamp pre-heating control device comprises oscillator signal generator, digital chronoscope and frequency programs device.Structurally, digital chronoscope electrically connects the oscillator signal generator, and the frequency programs device electrically connects digital chronoscope and oscillator signal generator.In use, the oscillator signal generator can produce at least one oscillator signal, makes ballast operate fluorescent lamp based on oscillator signal.The numeral chronoscope can be done timing to oscillator signal.The timing that the frequency programs device can be done based on digit counter and produce analog frequency instruction is so that the oscillator signal generator is according to the frequency of oscillation of analog frequency commands for controlling oscillator signal.
So, when using the fluorescent lamp pre-heating control device, adopting the digital-to-analogue technology is that fluorescent lamp is done pre-thermal control, and need not rely on big resistance capacitance.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
When the fluorescent lamp pre-heating control device started, digital chronoscope can be reset, so that reclocking.In addition, digital chronoscope can stop timing when the timing of being done reaches a predetermined value, so that the timing that the frequency programs device is done based on digital chronoscope and carry out corresponding work.
The said frequencies programmer comprises a digital to analog converter, so that provide analog frequency to instruct to the oscillator signal generator.
Above-mentioned oscillator signal generator can be a modulated oscillator, so that instruction goes to adjust frequency of oscillation according to analog frequency, produces oscillator signal according to this.
The object of the invention to solve the technical problems realizes in addition by the following technical solutions.According to further embodiment of this invention, the pre-heat control method of fluorescent lamp comprises the following steps: to produce at least one oscillator signal, makes ballast operate fluorescent lamp based on oscillator signal; Oscillator signal is counted; Produce analog frequency instruction based on the counting of being done, and according to the frequency of oscillation of analog frequency commands for controlling oscillator signal.
So, when using the pre-heat control method of fluorescent lamp, adopting the digital-to-analogue technology is that fluorescent lamp is done pre-thermal control, and need not rely on big resistance capacitance.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
In the above-mentioned step that oscillator signal is done to count, can when enabling, count again the pre-heat control method of fluorescent lamp; On the other hand, when the counting of being done reaches a predetermined value, can stop counting.
The object of the invention to solve the technical problems realizes again by the following technical solutions.According to yet another embodiment of the invention, the pre-heat control method of fluorescent lamp comprises the following steps: to produce at least one oscillator signal, makes ballast operate fluorescent lamp based on oscillator signal; Oscillator signal is done timing; Produce analog frequency instruction based on the timing of being done, and according to the frequency of oscillation of analog frequency commands for controlling oscillator signal.
So, when using the pre-heat control method of fluorescent lamp, adopting the digital-to-analogue technology is that fluorescent lamp is done pre-thermal control, and need not rely on big resistance capacitance.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
In the above-mentioned step of oscillator signal being done timing, can reclocking when the pre-heat control method of fluorescent lamp is enabled; On the other hand, when the timing of being done reaches a predetermined value, can stop timing.
By technique scheme, fluorescent lamp pre-heating control device of the present invention and method thereof have following advantage and beneficial effect at least: when using fluorescent lamp pre-heating control device of the present invention and method thereof, adopt the digital-to-analogue technology to do FREQUENCY CONTROL, and need not rely on big resistance capacitance.
In sum, the present invention has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the block diagram according to a kind of fluorescent lamp pre-heating control device of an embodiment of the present invention.
Fig. 2 is the sequential chart of fluorescent lamp pre-heating control device when operation of Fig. 1.
Fig. 3 is the block diagram according to a kind of fluorescent lamp pre-heating control device of another execution mode of the present invention.
Fig. 4 is the flow chart according to the pre-heat control method of a kind of fluorescent lamp of the another execution mode of the present invention.
100: fluorescent lamp pre-heating control device 110: the oscillator signal generator
120: digit counter 130: the frequency programs device
140: ballast 200: the fluorescent lamp pre-heating control device
210: oscillator signal generator 220: digit counter
230: frequency programs device 240: ballast,
300: the pre-heat control method of fluorescent lamp
310,320,330,340: step
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, the fluorescent lamp pre-heating control device that foundation the present invention is proposed and embodiment, structure, feature and the effect thereof of method thereof, describe in detail as after.Identical label is represented same or analogous element in graphic.On the other hand, well-known element and step are not described among the embodiment, to avoid that the present invention is caused unnecessary restriction.
Technology aspect of the present invention is a kind of fluorescent lamp pre-heating control device, and it is applicable to electric ballast, or is widely used in relevant sport technique segment.What deserves to be mentioned is that this device is hybrid circuit, its utilization digital simulation technique working frequency control.Below will cooperate Fig. 1 to Fig. 3 to specify the execution mode of fluorescent lamp pre-heating control device.
Please refer to shown in Figure 1ly, it is the block diagram according to a kind of fluorescent lamp pre-heating control device 100 of an embodiment of the present invention.As shown in the figure, fluorescent lamp pre-heating control device 100 comprises oscillator signal generator 110, digit counter 120 and frequency programs device (frequency programmer) 130.
Structurally, digit counter 120 electrically connects oscillator signal generator 110, and frequency programs device 130 electrically connects digit counter 120 and oscillator signal generator 110.
During use, oscillator signal generator 110 can produce at least one oscillator signal, makes ballast 140 based on oscillator signal operation fluorescent lamp (figure does not show).Mode about the operation fluorescent lamp is known the knowledgeable institute known techniques usually for having in this technical field, is not described in detail in this.Digit counter 120 can be counted oscillator signal.The counting that frequency programs device 130 can be done based on digit counter 120 and produce analog frequency instruction is so that oscillator signal generator 110 is according to the frequency of oscillation of analog frequency commands for controlling oscillator signal.
So, when using fluorescent lamp pre-heating control device 100, oscillator signal generator 110, digit counter 120 can repeat above-mentioned action with frequency programs device 130, frequency reducing step by step, and need not rely on big resistance capacitance.
When fluorescent lamp pre-heating control device 100 started, digit counter 120 can be reset, so that count again.In addition, digit counter 120 can stop counting when the counting of being done reaches a predetermined value, makes the counting that frequency programs device 130 does based on digit counter 120 and carries out corresponding work.In the present embodiment, described predetermined value can be selected its numerical value according to the practical operation elasticity of demand.For instance, this predetermined value can be set up on their own by the designer.
Said frequencies programmer 130 can comprise digital to analog converter, so that providing analog frequency to instruct to oscillator signal generator 110.
On real the work, oscillator signal generator 110 can be a modulated oscillator (be modulated oscillator, below all be called modulated oscillator), so that instruction goes to adjust frequency of oscillation according to analog frequency, produces oscillator signal according to this.
Please refer to shown in Figure 2ly, it is the sequential chart of the fluorescent lamp pre-heating control device of Fig. 1 in when operation.As shown in the figure, be high frequency fmax in the frequency of oscillation of initial state oscillator signal, drop to operating frequency fmin then step by step.In this frequency decline process, fluorescent lamp is preheated earlier, is then lighted, and it is luminous to maintain operating frequency then.
Please refer to shown in Figure 3ly, it is the block diagram according to a kind of fluorescent lamp pre-heating control device 200 of another execution mode of the present invention.As shown in the figure, fluorescent lamp pre-heating control device 200 comprises oscillator signal generator 210, digital chronoscope 220 and frequency programs device 230.
Structurally, digital chronoscope 220 electrically connects oscillator signal generator 210, and frequency programs device 230 electrically connects digital chronoscope 220 and oscillator signal generator 210.
During use, oscillator signal generator 210 can produce at least one oscillator signal, makes ballast 240 based on oscillator signal operation fluorescent lamp (figure does not show).Numeral chronoscope 220 can be done timing to oscillator signal.The timing that frequency programs device 230 can be done based on digital chronoscope 220 and produce analog frequency instruction makes the frequency of oscillation of oscillator signal generator 210 according to analog frequency commands for controlling oscillator signal.
So, when using fluorescent lamp pre-heating control device 200, oscillator signal generator 210, digital chronoscope 220 can repeat above-mentioned action with frequency programs device 230, frequency reducing step by step, and need not rely on big resistance capacitance.
When fluorescent lamp pre-heating control device 200 started, digital chronoscope 220 can be reset, so that reclocking.In addition, digital chronoscope 220 can stop timing when the timing of being done reaches a predetermined value, so that the timing that frequency programs device 230 is done based on digital chronoscope 220 and carry out corresponding work.In the present embodiment, described predetermined value can be selected its numerical value according to the practical operation elasticity of demand.For instance, this predetermined value can be set up on their own by the designer.
Said frequencies programmer 230 can comprise digital to analog converter, so that provide analog frequency to instruct to oscillator signal generator 210.
On real the work, oscillator signal generator 210 can be a modulated oscillator, so that instruction goes to adjust frequency of oscillation according to analog frequency, produces oscillator signal according to this.
In addition, the state of fluorescent lamp pre-heating control device 200 when operation is in fact as the state of fluorescent lamp pre-heating control device 100 when operating.Therefore, about the sequential chart of fluorescent lamp pre-heating control device 200 when operating, can no longer repeat to give unnecessary details at this with reference to sequential chart as shown in Figure 3.
Another technology aspect of the present invention is the pre-heat control method of a kind of fluorescent lamp, and it is applicable to electric ballast, or is widely used in relevant sport technique segment.What deserves to be mentioned is the control of the method utilization digital simulation technique working frequency.The Fig. 4 that below will arrange in pairs or groups specifies the execution mode of the pre-heat control method of fluorescent lamp.
Please refer to shown in Figure 4ly, it is the flow chart according to the pre-heat control method 300 of a kind of fluorescent lamp of the another execution mode of the present invention.As shown in the figure, the method 300 comprises the following steps that 310,320,330,340 (should be appreciated that mentioned in the present embodiment step is except that chatting bright its order person especially, all can adjust its front and back order, even can carry out simultaneously simultaneously or partly) according to actual needs.
In one embodiment, can produce at least one oscillator signal, use making ballast operate fluorescent lamp based on oscillator signal in step 310.Can count oscillator signal in step 320.The counting that can do based on step 320 in step 320 and produce analog frequency instruction.Then, can be in step 340 according to the frequency of oscillation of analog frequency commands for controlling oscillator signal.
In the above-mentioned step 320 that oscillator signal is done to count, can when enabling, count again the pre-heat control method 300 of fluorescent lamp; On the other hand, when the counting of being done reaches a predetermined value, can stop counting.In the present embodiment, described predetermined value can be selected its numerical value according to the practical operation elasticity of demand.For instance, this predetermined value can be set up on their own by the designer.
In another embodiment, can produce at least one oscillator signal, use making ballast operate fluorescent lamp based on oscillator signal in step 310.Can do timing to oscillator signal in step 320.The timing that can do based on step 320 in step 320 and produce analog frequency instruction.Then, can be in step 340 according to the frequency of oscillation of analog frequency commands for controlling oscillator signal.
In the above-mentioned step 320 of oscillator signal being done timing, can reclocking when the pre-heat control method 300 of fluorescent lamp is enabled; On the other hand, when the timing of being done reaches a predetermined value, can stop timing.In the present embodiment, described predetermined value can be selected its numerical value according to the practical operation elasticity of demand.For instance, this predetermined value can be set up on their own by the designer.
So, when using the pre-heat control method 300 of fluorescent lamp, can repeat above-mentioned steps, frequency reducing step by step, and need not rely on big resistance capacitance.As for the hardware unit of implementing those steps,, therefore no longer repeat to give unnecessary details because above-mentioned execution mode specifically discloses.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (16)
1. fluorescent lamp pre-heating control device is characterized in that it comprises at least:
One oscillator signal generator in order to produce at least one oscillator signal, makes ballast based on this oscillator signal operation fluorescent lamp;
One digit counter electrically connects this oscillator signal generator, in order to this oscillator signal is counted; And
One frequency programs device, electrically connect this digit counter and this oscillator signal generator, produce analog frequency instruction in order to the counting of doing based on this digit counter, so that this oscillator signal generator is according to the frequency of oscillation of this this oscillator signal of analog frequency commands for controlling.
2. fluorescent lamp pre-heating control device according to claim 1 is characterized in that wherein said digit counter resets when this fluorescent lamp pre-heating control device starts.
3. fluorescent lamp pre-heating control device according to claim 1 is characterized in that wherein said digit counter stops counting when the counting of being done reaches a predetermined value.
4. fluorescent lamp pre-heating control device according to claim 1 is characterized in that wherein said frequency programs device comprises a digital to analog converter.
5. fluorescent lamp pre-heating control device according to claim 1 is characterized in that wherein said oscillator signal generator is a modulated oscillator.
6. fluorescent lamp pre-heating control device is characterized in that it comprises at least:
One oscillator signal generator in order to produce at least one oscillator signal, makes ballast based on this oscillator signal operation fluorescent lamp;
One digital chronoscope electrically connects this oscillator signal generator, in order to this oscillator signal is done timing; And
One frequency programs device, electrically connect this digit counter and this oscillator signal generator, produce analog frequency instruction in order to the timing of doing based on this numeral chronoscope, so that this oscillator signal generator is according to the frequency of oscillation of this this oscillator signal of analog frequency commands for controlling.
7. fluorescent lamp pre-heating control device according to claim 6 is characterized in that wherein said digital chronoscope resets when this fluorescent lamp pre-heating control device starts.
8. fluorescent lamp pre-heating control device according to claim 6 is characterized in that wherein said digital chronoscope stops timing when the timing of being done reaches a predetermined value.
9. fluorescent lamp pre-heating control device according to claim 6 is characterized in that wherein said frequency programs device comprises a digital to analog converter.
10. fluorescent lamp pre-heating control device according to claim 6 is characterized in that wherein said oscillator signal generator is a modulated oscillator.
11. the pre-heat control method of fluorescent lamp is characterized in that it comprises at least:
Produce at least one oscillator signal, make ballast based on this oscillator signal operation fluorescent lamp;
This oscillator signal is counted;
Produce analog frequency instruction based on the counting of being done; And
Frequency of oscillation according to this this oscillator signal of analog frequency commands for controlling.
12. the pre-heat control method of fluorescent lamp according to claim 11 is characterized in that wherein said this oscillator signal work is counted comprises:
When the pre-heat control method of this fluorescent lamp is enabled, count again.
13. the pre-heat control method of fluorescent lamp according to claim 11 is characterized in that wherein said this oscillator signal work is counted comprises:
When the counting of being done reaches a predetermined value, can stop counting.
14. the pre-heat control method of fluorescent lamp is characterized in that it comprises at least:
Produce at least one oscillator signal, make ballast based on this oscillator signal operation fluorescent lamp;
This oscillator signal is done timing;
Produce analog frequency instruction based on the timing of being done; And
Frequency of oscillation according to this this oscillator signal of analog frequency commands for controlling.
15. the pre-heat control method of fluorescent lamp according to claim 14 is characterized in that wherein said this oscillator signal being comprised do timing:
When the pre-heat control method of this fluorescent lamp is enabled, reclocking.
16. the pre-heat control method of fluorescent lamp according to claim 14 is characterized in that wherein said this oscillator signal being comprised do timing:
When the timing of being done reaches a predetermined value, can stop timing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101640447A CN101990351A (en) | 2009-08-05 | 2009-08-05 | Fluorescent lamp preheating control device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101640447A CN101990351A (en) | 2009-08-05 | 2009-08-05 | Fluorescent lamp preheating control device and method thereof |
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| CN101990351A true CN101990351A (en) | 2011-03-23 |
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| CN2009101640447A Pending CN101990351A (en) | 2009-08-05 | 2009-08-05 | Fluorescent lamp preheating control device and method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155825A (en) * | 1995-12-13 | 1997-07-30 | 电灯专利信托有限公司 | Method for operating discharging lamp and circuit apparatus therefor |
| CN1155296C (en) * | 1995-09-27 | 2004-06-23 | Sgs-汤姆斯微电子有限公司 | Timing of different phases in ignition circuit |
| CN101170864A (en) * | 2007-08-03 | 2008-04-30 | 崇贸科技股份有限公司 | Ballast with pre-heating controlled IC |
| CN101207963A (en) * | 2006-12-22 | 2008-06-25 | 财团法人工业技术研究院 | Pre-heating control apparatus for adjusting gas discharge light tube electric voltage |
-
2009
- 2009-08-05 CN CN2009101640447A patent/CN101990351A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1155296C (en) * | 1995-09-27 | 2004-06-23 | Sgs-汤姆斯微电子有限公司 | Timing of different phases in ignition circuit |
| CN1155825A (en) * | 1995-12-13 | 1997-07-30 | 电灯专利信托有限公司 | Method for operating discharging lamp and circuit apparatus therefor |
| CN101207963A (en) * | 2006-12-22 | 2008-06-25 | 财团法人工业技术研究院 | Pre-heating control apparatus for adjusting gas discharge light tube electric voltage |
| CN101170864A (en) * | 2007-08-03 | 2008-04-30 | 崇贸科技股份有限公司 | Ballast with pre-heating controlled IC |
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Application publication date: 20110323 |