CN109618480A - A kind of method of fast and stable fluorescent tube output light intensity - Google Patents
A kind of method of fast and stable fluorescent tube output light intensity Download PDFInfo
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- CN109618480A CN109618480A CN201910093337.4A CN201910093337A CN109618480A CN 109618480 A CN109618480 A CN 109618480A CN 201910093337 A CN201910093337 A CN 201910093337A CN 109618480 A CN109618480 A CN 109618480A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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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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- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a kind of methods of fast and stable fluorescent tube output light intensity.The method of the present invention is by during lamp operation, being arranged several time of measuring points, in each time of measuring point, the real time temperature data of real-time measurement inverter and fluorescent tube；And the real time temperature data obtained according to measurement, and inverter parameters change corresponding data and fluorescent tube Parameters variation corresponding data, by adjusting inverter pulsewidth and inverter frequency, fluorescent tube pulsewidth and fluorescent tube frequency, to control inverter output power and fluorescent tube output power；Achieve the effect that fast and stable fluorescent tube output power, fluorescent tube is made to export stable luminous intensity.The present invention withouts waiting for lamp hole temperature and reaches equalized temperature by itself heating, but adjusts fluorescent tube output power by adjusting fluorescent tube frequency and fluorescent tube pulsewidth, so that lamp hole temperature be promoted to be rapidly achieved balance, achievees the purpose that stable output light intensity.
Description
Technical field
The present invention relates to the control methods of fluorescent tube output power, especially disclose a kind of fast and stable fluorescent tube output light intensity
Method.
Background technique
Fluorescent tube used in existing emergency light or Phototherapeutic instrument all leads to hardware circuit to realize, no under electric power thus supplied
Ambient temperature and its sense temperature feedback can be measured.Equalized temperature can only be obtained by fluorescent tube self-heating in this way, only
Have when fluorescent tube obtains equalized temperature, fluorescent tube output light intensity could be stablized.So that fluorescent tube is when in use, the luminous intensity of output from
It is switched on to stabilization, needs a very long time.
Phototherapy equipment, as the Phototherapeutic instrument of the model KN-4003BLA/B of Xuzhou Ke Nuo company production, Shanghai sigma are public
The Phototherapeutic instrument etc. for taking charge of the model SS01 of production, is powered by alternating current 220V, without test environment in lamp tube control circuit
Temperature, the function of lamp hole temperature, also can not feedback temperature variation bring fluorescent tube output intensity variation, can only by fluorescent tube from
Body generates heat and when obtaining equalized temperature, could stablize fluorescent tube output light intensity, and it is flat to obtain temperature by fluorescent tube self-heating
This mode of weighing apparatus, not only the time is long, but also power consumption is higher.Phototherapeutic instrument is when users use, it is necessary to until the light of fluorescent tube output
It just can be used after intensity stabilization, therefore after being typically necessary a very long time after powering, could formally enter and use, use
Family experience is poor.
The product for a model KN-4003BL2D that recent Xuzhou Ke Nuo company releases is 7.2 using cell voltage
Volt, output light intensity is also required to ten minutes or more from be switched on to stablizing.Effective time general for user only a few minutes situation, very
It is inconvenient.
Summary of the invention
In order to solve the above problems existing in the present technology, it is an object of that present invention to provide one kind being capable of fast and stable fluorescent tube
Output light intensity reduces power consumption, the method for fast and stable fluorescent tube output light intensity easy to use.
In order to achieve the above object, the technical scheme adopted by the invention is as follows: a kind of fast and stable fluorescent tube output light intensity
Method, include the following steps:
1, the inverter initial performance parameter of inverter in preset temperature range is obtained；And according at the beginning of the inverter
Beginning performance parameter obtains inverter at different temperatures, between inverter frequency, inverter pulsewidth and inverter output power
Inverter parameters change corresponding data；The inverter initial performance parameter includes inverter temperature, inverter frequency and inversion
Device pulsewidth；
Obtain the fluorescent tube initial performance parameter of fluorescent tube in preset temperature range；And it is obtained according to fluorescent tube initial performance parameter
Obtain fluorescent tube at different temperatures, the fluorescent tube Parameters variation corresponding data between fluorescent tube frequency, fluorescent tube pulsewidth and fluorescent tube output power；
The fluorescent tube initial performance parameter includes lamp hole temperature, fluorescent tube frequency and fluorescent tube pulsewidth；
Obtain cell voltage parameter and environment temperature；
2, inverter is driven, fluorescent tube is lighted；Since after lamp tube starting, during lamp operation, several surveys are set
Measure time point；
3, every to pass through a time of measuring point, measure the real time temperature data of inverter and fluorescent tube；It is obtained according to measurement
Real time temperature data and inverter parameters variation corresponding data and fluorescent tube Parameters variation corresponding data, adjust inverter pulsewidth
And inverter frequency, control inverter output power；Fluorescent tube obtains lamp operation power by inverter output power, then leads to
Adjustment fluorescent tube pulsewidth and fluorescent tube frequency are crossed, fluorescent tube output power is controlled；Until fluorescent tube output power reaches stable, stablize fluorescent tube
Output light intensity；Terminate the measurement of real time temperature data.
Further, it in step 1, the quantity foundation of the time of measuring point: is exported after lamp tube starting to fluorescent tube
When power reaches stable, the fluorescent tube output power adjusted every time increases or decreases 0.2~1W；So that fluorescent tube output light intensity exists
Uniformly adjustment during entire adjustment.
Further, after lamp tube starting to fluorescent tube output power reach stablize when, the fluorescent tube adjusted every time is defeated
The rule of power is as follows out:
When environment temperature is less than or equal to 15 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~1W；
When environment temperature is 16~20 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.9W；
When environment temperature is 21~25 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.7W；
When environment temperature is 26~30 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.5W；
When environment temperature is more than 30 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.4W.
Further, in step 2, before lamp tube starting, measure lamp hole temperature: a. work as lamp tube starting before temperature be lower than or
When equal to 13 DEG C, adjustment fluorescent tube intermediate frequency to 45KHz~50KHz, adjustment fluorescent tube pulsewidth make fluorescent tube duty ratio to 15% to 20%；
Subsequently into subsequent step；
B. when the temperature before lamp tube starting is 14 DEG C~16 DEG C, fluorescent tube intermediate frequency is adjusted to 40KHz~44KHz, makes fluorescent tube
Duty ratio is to 14~19%；Subsequently into subsequent step；
C. when the temperature before lamp tube starting is 17 DEG C~19 DEG C, fluorescent tube intermediate frequency is adjusted to 35KHz~39KHz, makes fluorescent tube
Duty ratio is to 13~18%；Subsequently into subsequent step；
D. when the temperature before lamp tube starting is 20 DEG C~22 DEG C, fluorescent tube intermediate frequency is adjusted to 30KHz~34KHz, makes fluorescent tube
Duty ratio is to 12~16%；Subsequently into subsequent step；
E. when the temperature before lamp tube starting is 23 DEG C~25 DEG C, fluorescent tube intermediate frequency is adjusted to 25KHz~29KHz, makes fluorescent tube
Duty ratio is to 10~14%；Subsequently into subsequent step；
F. when the temperature before lamp tube starting is 26 DEG C~30 DEG C, fluorescent tube intermediate frequency is adjusted to 22KHz~24KHz, makes fluorescent tube
Duty ratio is to 9~12%；Subsequently into subsequent step；
G. when the temperature before lamp tube starting is 31 DEG C or more, fluorescent tube intermediate frequency is adjusted to 19KHz~21KHz, accounts for fluorescent tube
Sky compares to 8~10%；Subsequently into subsequent step.
Further, in step 3, according to the real time temperature of inverter, by increasing in inverter on the inverter
Frequency increases the duty ratio of inverter with adjustment inverter pulsewidth, compensates to inverter output power.
Further, in step 3, after lamp tube starting up to fluorescent tube output power reaches stable time be 3-5
Minute.
Further, in step 3, while measuring the real time temperature data of inverter and fluorescent tube, lamp tube ends are monitored
Voltage, and the voltage of lamp tube ends is adjusted in real time, limit the voltage difference of lamp tube ends within a preset range, so that fluorescent tube exports
Effective luminous intensity.
Further, in step 3, further includes: in temperature range, obtain and caused between fluorescent tube and peripheral components by temperature
Temperature and contact resistance between change in resistance Relation Parameters；
After entering third step, after controlling inverter output power, connecing between fluorescent tube and peripheral components in real time is measured
It gets an electric shock the change in resistance amount of resistance, and according to the real time temperature data of fluorescent tube and the change in resistance amount of real-time contact resistance and described
Change in resistance Relation Parameters adjust the output power of fluorescent tube；
The peripheral components include the combination of any one or more in master control borad, lamp holder or conducting wire.
Further, specifically, after the lamp tube starting for completing step 2 in step 3:
3.1, after running 15-25 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured
Degree, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 14~20W；When environment temperature be 16~
At 25 DEG C, fluorescent tube input power is adjusted to 12W~15W, and when environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 9W
~11W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；
3.2, after running 110-120 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured
Degree, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 13~15W；When environment temperature be 16~
At 25 DEG C, fluorescent tube input power is adjusted to 10W~12W；When environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 9
~11W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；
3.3, after running 150-170 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured
Degree, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 9~11W；When environment temperature be 16~
At 25 DEG C, fluorescent tube input power is adjusted to 9W~10W, when environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 8~
10W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；
3.4, in the time that fluorescent tube continues to run after the step 3.3, every 8-10 seconds, the reality of inverter and fluorescent tube is measured
When temperature data, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the tune of fluorescent tube pulsewidth and fluorescent tube frequency
It is whole；Until fluorescent tube output power reaches stable, fluorescent tube is made to stablize output light intensity；Terminate the measurement of real time temperature data.
Preferably, specifically, after the lamp tube starting for completing step 2 in step 3:
3.11, after running 15-25 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured
Degree, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 14~20W；When environment temperature be 16~
At 25 DEG C, fluorescent tube input power is adjusted to 12W~15W, and when environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 11
~13W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 9W~11W；At this moment based on the lamp hole temperature that heats up；
3.12, after running 110-120 seconds from lamp tube starting, inverter and the real time temperature data of fluorescent tube, environment are measured
Temperature, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 13~15W；When environment temperature be 16~
At 25 DEG C, fluorescent tube input power is adjusted to 10W~12W, and when environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 9
~11W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；At this moment gradually to based on steady；
3.13, after running 150-170 seconds from lamp tube starting, inverter and the real time temperature data of fluorescent tube, environment are measured
Temperature, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 9~11W；When environment temperature be 16~
At 25 DEG C, fluorescent tube input power is adjusted to 9W~10W, when environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 8~
10W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；At this time to stablize based on luminous intensity；
3.14, after running 175-180 seconds from lamp tube starting, inverter and the real time temperature data of fluorescent tube, environment are measured
Temperature, and the adjustment of an inverter pulsewidth and inverter frequency is carried out, then according to real-time between fluorescent tube and peripheral components
The change in resistance amount of contact resistance and the change in resistance Relation Parameters, adjust the output power of fluorescent tube；
3.15, in the time that fluorescent tube continues to run after the step 3.14, every 8-10 seconds, inverter and fluorescent tube are measured
The voltage of real time temperature data, environment temperature and lamp tube ends adjusts the voltage of lamp tube ends in real time, makes lamp tube ends
Voltage difference limits within a preset range, while carrying out the adjustment and fluorescent tube pulsewidth of an inverter pulsewidth and inverter frequency
With the adjustment of fluorescent tube frequency；Until fluorescent tube output power reaches stable, fluorescent tube is made to stablize output light intensity；Terminate real time temperature number
According to measurement.
The invention has the benefit that several time of measuring points are arranged, in each survey by during lamp operation
Measure time point, the real time temperature data and environment temperature of real-time measurement inverter and fluorescent tube；And it is obtained according to measurement real-time
Temperature data and inverter parameters variation corresponding data and fluorescent tube Parameters variation corresponding data, by adjusting inverter pulsewidth
With inverter frequency, fluorescent tube pulsewidth and fluorescent tube frequency, to control inverter output power and fluorescent tube output power；Reach quickly steady
The effect for determining fluorescent tube output power makes fluorescent tube export stable luminous intensity.
The present invention withouts waiting for lamp hole temperature and reaches equalized temperature by itself heating, but by adjusting fluorescent tube frequency
Fluorescent tube output power is adjusted with fluorescent tube pulsewidth, so that lamp hole temperature be promoted to be rapidly achieved balance, reaches stable output light intensity
Purpose.
The present invention can use the battery of Civil battery such as 3.7V to be powered, and be carried out according to cell voltage to power of lamp tube
It adjusts, is easy to use the product of the method for the present invention to realize that fast charge such as uses, uses when filling at the functions, greatly promotes user experience, just
Just it uses.
Detailed description of the invention
Fig. 1 is the general flow chart of the method for the present invention.
Fig. 2 is the broad flow diagram of embodiment one.
Fig. 3 is the broad flow diagram of embodiment two.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to guarantor of the present invention
The range of shield.
According to Fig. 1, a kind of method of fast and stable fluorescent tube output light intensity of the present invention mainly includes the following steps:
1, the inverter initial performance parameter of inverter in preset temperature range is obtained；And according at the beginning of the inverter
Beginning performance parameter obtains inverter at different temperatures, between inverter frequency, inverter pulsewidth and inverter output power
Inverter parameters change corresponding data；The inverter initial performance parameter includes inverter temperature, inverter frequency and inversion
Device pulsewidth；
Obtain the fluorescent tube initial performance parameter of fluorescent tube in preset temperature range；And it is obtained according to fluorescent tube initial performance parameter
Obtain fluorescent tube at different temperatures, the fluorescent tube Parameters variation corresponding data between fluorescent tube frequency, fluorescent tube pulsewidth and fluorescent tube output power；
The fluorescent tube initial performance parameter includes lamp hole temperature, fluorescent tube frequency and fluorescent tube pulsewidth；
Obtain cell voltage parameter and environment temperature；
2, inverter is driven, fluorescent tube is lighted；Since after lamp tube starting, during lamp operation, several surveys are set
Measure time point；
It up to fluorescent tube output power reaches stable time is 3-5 minutes after lamp tube starting.
3, every to pass through a time of measuring point, measure the real time temperature data of inverter and fluorescent tube；It is obtained according to measurement
Real time temperature data and inverter parameters variation corresponding data and fluorescent tube Parameters variation corresponding data, adjust inverter pulsewidth
And inverter frequency, control inverter output power；Fluorescent tube obtains lamp operation power by inverter output power, then leads to
Adjustment fluorescent tube pulsewidth and fluorescent tube frequency are crossed to adjust fluorescent tube input power, to control fluorescent tube output power；Until fluorescent tube exports
Power reaches stable, and fluorescent tube is made to stablize output light intensity；Terminate the measurement of real time temperature data.
In practical applications, inverter different in product circuit, fluorescent tube, battery and peripheral components have different basic
Parameter.The method of the present invention needs to obtain the basic ginseng of the corresponding inverter of product, fluorescent tube, battery and peripheral components when implementing
Number, the basic parameter include supply voltage, use temperature range, humidity range, temperature change attribute of material etc., these are basic
Parameter can all directly obtain in the prior art.The present invention combines present invention side by using these basic parameters
Method realizes goal of the invention of the invention.
Below according to specific embodiment, the present invention is further elaborated:
Embodiment one:
According to fig. 2, the inverter of the present embodiment is using the production of Shanghai Liang Qin instrument and meter Co., Ltd, model
The inverter of EE28-SH9；The UVB fluorescent tube for the model PL-S 9W that the fluorescent tube is produced using PHILIPS Co.；The battery
Using 3.7V, 4.4A battery.
The present embodiment includes the following steps:
1, the inverter initial performance parameter of inverter in preset temperature range is obtained；The inverter initial performance
Parameter includes inverter temperature, inverter frequency and inverter pulsewidth；And it is inverse according to the inverter initial performance gain of parameter
Become device at different temperatures, the inverter parameters variation pair between inverter frequency, inverter pulsewidth and inverter output power
Answer data；
In preset temperature range, the fluorescent tube initial performance parameter of fluorescent tube is obtained；And it is obtained according to fluorescent tube initial performance parameter
Obtain fluorescent tube at different temperatures, the fluorescent tube Parameters variation corresponding data between fluorescent tube frequency, fluorescent tube pulsewidth and fluorescent tube output power；
The fluorescent tube initial performance parameter includes lamp hole temperature, fluorescent tube frequency and fluorescent tube pulsewidth；
Obtain cell voltage parameter, the cell voltage parameter of the present embodiment are as follows: 2.90V to 4.25V.
2, inverter is driven, fluorescent tube is lighted；During invertor operation, according to the real time temperature of inverter, by
Increase inverter intermediate frequency on the inverter and adjusts inverter pulsewidth to increase the duty ratio of inverter, to inverter output work
Rate compensates.
Before lamp tube starting, lamp hole temperature is measured, there are following several situations:
A. when the temperature before lamp tube starting is less than or equal to 13 DEG C, adjustment fluorescent tube intermediate frequency to 45KHz~50KHz, adjustment
Fluorescent tube pulsewidth makes fluorescent tube duty ratio to 15%~20%；Subsequently into subsequent step；
B. when the temperature before lamp tube starting is 14 DEG C~16 DEG C, fluorescent tube intermediate frequency is adjusted to 40KHz~44KHz, makes fluorescent tube
Duty ratio is to 14~19%；Subsequently into subsequent step；
C. when the temperature before lamp tube starting is 17 DEG C~19 DEG C, fluorescent tube intermediate frequency is adjusted to 35KHz~39KHz, makes fluorescent tube
Duty ratio is to 13~18%；Subsequently into subsequent step；
D. when the temperature before lamp tube starting is 20 DEG C~22 DEG C, fluorescent tube intermediate frequency is adjusted to 30KHz~34KHz, makes fluorescent tube
Duty ratio is to 12~16%；Subsequently into subsequent step；
E. when the temperature before lamp tube starting is 23 DEG C~25 DEG C, fluorescent tube intermediate frequency is adjusted to 25KHz~29KHz, makes fluorescent tube
Duty ratio is to 10~14%；Subsequently into subsequent step；
F. when the temperature before lamp tube starting is 26 DEG C~30 DEG C, fluorescent tube intermediate frequency is adjusted to 22KHz~24KHz, makes fluorescent tube
Duty ratio is to 9~12%；Subsequently into subsequent step；
G. when the temperature before lamp tube starting is 31 DEG C or more, fluorescent tube intermediate frequency is adjusted to 19~21KHz, makes fluorescent tube duty ratio
To 8~10%；Subsequently into subsequent step.
In the present embodiment, the start-up temperature of fluorescent tube are as follows: 14 DEG C.
Under normal circumstances: when inverter and fluorescent tube just start, the real time temperature data of environment temperature and inverter and fluorescent tube
It is identical.
If lamp hole temperature is lower before lighting fluorescent tube, when such as 15 DEG C, need to increase inverter intermediate frequency on inverter,
The output power of inverter is improved, so that fluorescent tube obtains biggish input power to light fluorescent tube, and fluorescent tube is made to be rapidly heated,
And fluorescent tube intermediate frequency is increased on fluorescent tube, improve fluorescent tube output power.Then it after entering next step, gradually reduces and adjusts and is inverse
Become device intermediate frequency and fluorescent tube intermediate frequency, tends to fluorescent tube output power gradually steadily, in adjustment power process, inverter and fluorescent tube sheet
Body temperature is still constantly heating up.
If lamp hole temperature is higher before lighting fluorescent tube, such as at 35 DEG C, fluorescent tube is easier to light, then does not need inverse
Become and add big inverter intermediate frequency on device, adjusts inverter with lower inverter intermediate frequency, after starting fluorescent tube, in the next steps
Inverter intermediate frequency and fluorescent tube intermediate frequency are adjusted, tends to fluorescent tube output power gradually steadily, while lamp hole temperature gradually tends to be balanced.
Since after lamp tube starting, during lamp operation, several time of measuring points are set；The time of measuring point
Quantity foundation: the quantity foundation of the time of measuring point: reach after lamp tube starting to fluorescent tube output power and stablize it
When, the fluorescent tube output power adjusted every time increases or decreases 0.2~1W；So that fluorescent tube output light intensity is during entire adjustment
Uniformly adjustment.
Specifically, the fluorescent tube adjusted every time exports when reaching stable to fluorescent tube output power after lamp tube starting
The rule of power is as follows:
When environment temperature is less than or equal to 15 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~1W；
When environment temperature is 16~20 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.9W；
When environment temperature is 21~25 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.7W；
When environment temperature is 26~30 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.5W；
When environment temperature is more than 30 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.4W.
The present embodiment up to fluorescent tube output power reaches stable time is 3 minutes since lamp tube starting.
3, every to pass through a time of measuring point, measure the real time temperature data of inverter and fluorescent tube；It is obtained according to measurement
Real time temperature data and inverter parameters variation corresponding data and fluorescent tube Parameters variation corresponding data, adjust inverter pulsewidth
And inverter frequency, control inverter output power；Fluorescent tube obtains lamp operation power by inverter output power, then leads to
Adjustment fluorescent tube pulsewidth and fluorescent tube frequency are crossed, fluorescent tube output power is controlled；Until fluorescent tube output power reaches stable, stablize fluorescent tube
Output light intensity；Terminate the measurement of real time temperature data.While measuring the real time temperature data of inverter and fluorescent tube, monitoring
Lamp tube ends voltage, and the voltage of lamp tube ends is adjusted in real time, limit the voltage difference of lamp tube ends within a preset range, so that
Fluorescent tube exports effective luminous intensity.It is specific as follows:
3.1, after running 20 seconds from lamp tube starting, fluorescent tube and the respective temperature of inverter are increasing with runing time, this
When, the real time temperature data and environment temperature of inverter and fluorescent tube are measured, and carry out an inverter pulsewidth and inverter frequency
The adjustment of rate and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
In this implementation, temperature at lamp operation 20 seconds is 17 DEG C, and environment temperature is 15 DEG C, by adjusting fluorescent tube intermediate frequency,
And duty ratio, adjust fluorescent tube input power to 16W；
3.2, after running 120 seconds from lamp tube starting, the real time temperature data and environment temperature of inverter and fluorescent tube are measured
Degree, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
The output power of inverter is adjusted, mainly at this time to control the input power of fluorescent tube.
In the present embodiment, the temperature after lamp tube starting rises operation 120 seconds is 18 to 19 degree, and environment temperature is 15 DEG C, is passed through
Fluorescent tube intermediate frequency is adjusted to 27KHz and duty ratio, adjusts fluorescent tube input power to 13W；
3.3, after running 160 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured,
And carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
At this point, the input power of fluorescent tube fluorescent tube is mainly adjusted, to adjust the output power of fluorescent tube, to adjust fluorescent tube output work
Based on rate.
In the present embodiment, the temperature after lamp tube starting rises operation 160 seconds is 20 degree, and environment temperature is 15 DEG C, by by lamp
Pipe intermediate frequency is adjusted to 25KHz and duty ratio, adjusts fluorescent tube input power to 10W；
3.4, in the time that fluorescent tube continues to run after the step 3.3, every 8 seconds, the real-time of inverter and fluorescent tube is measured
Temperature data, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
Until fluorescent tube output power reaches stable, fluorescent tube is made to stablize output light intensity；Terminate the measurement of real time temperature data.
Advantage of this embodiment is that: real-time measurement fluorescent tube output voltage variation, the temperature change of fluorescent tube be it is slowly varying,
After fluorescent tube output power reaches stable, lamp hole temperature is almost unchanged.
Embodiment two:
According to Fig. 3, the inverter of the present embodiment is using the production of Shanghai Liang Qin instrument and meter Co., Ltd, model
The inverter of EE28-SH9；The fluorescent tube is using the production of U.S. Light Tech company, model LTC 9W/G23 fluorescent tube；
The battery uses 3.7V, 4.4A battery.
1, the inverter initial performance parameter of inverter in preset temperature range is obtained；The inverter initial performance
Parameter includes inverter temperature, inverter frequency and inverter pulsewidth；And it is inverse according to the inverter initial performance gain of parameter
Become device at different temperatures, the inverter parameters variation pair between inverter frequency, inverter pulsewidth and inverter output power
Answer data；
In preset temperature range, the fluorescent tube initial performance parameter of fluorescent tube is obtained；And it is obtained according to fluorescent tube initial performance parameter
Obtain fluorescent tube at different temperatures, the fluorescent tube Parameters variation corresponding data between fluorescent tube frequency, fluorescent tube pulsewidth and fluorescent tube output power；
The fluorescent tube initial performance parameter includes lamp hole temperature, fluorescent tube frequency and fluorescent tube pulsewidth；
Obtain cell voltage parameter, the cell voltage parameter of the present embodiment are as follows: 3.7V.
2, inverter is driven, fluorescent tube is lighted；During invertor operation, according to the real time temperature of inverter, by
Increase inverter intermediate frequency on the inverter and adjusts inverter pulsewidth to increase the duty ratio of inverter, to inverter output work
Rate compensates.
Before lamp tube starting, lamp hole temperature is measured, there are following several situations:
A. when the temperature before lamp tube starting is less than or equal to 13 DEG C, adjustment fluorescent tube intermediate frequency to 45KHz~50KHz, adjustment
Fluorescent tube pulsewidth makes fluorescent tube duty ratio to 15%~20%；Subsequently into subsequent step；
B. when the temperature before lamp tube starting is 14 DEG C~16 DEG C, fluorescent tube intermediate frequency is adjusted to 40KHz~44KHz, makes fluorescent tube
Duty ratio is to 14~19%；Subsequently into subsequent step；
C. when the temperature before lamp tube starting is 17 DEG C~19 DEG C, fluorescent tube intermediate frequency is adjusted to 35KHz~39KHz, makes fluorescent tube
Duty ratio is to 13~18%；Subsequently into subsequent step；
D. when the temperature before lamp tube starting is 20 DEG C~22 DEG C, fluorescent tube intermediate frequency is adjusted to 30KHz~34KHz, makes fluorescent tube
Duty ratio is to 12~16%；Subsequently into subsequent step；
E. when the temperature before lamp tube starting is 23 DEG C~25 DEG C, fluorescent tube intermediate frequency is adjusted to 25KHz~29KHz, makes fluorescent tube
Duty ratio is to 10~14%；Subsequently into subsequent step；
F. when the temperature before lamp tube starting is 26 DEG C~30 DEG C, fluorescent tube intermediate frequency is adjusted to 22KHz~24KHz, makes fluorescent tube
Duty ratio is to 9~12%；Subsequently into subsequent step；
G. when the temperature before lamp tube starting is 31 DEG C or more, fluorescent tube intermediate frequency is adjusted to 19~21KHz, makes fluorescent tube duty ratio
To 8~10%；Subsequently into subsequent step.
Since after lamp tube starting, during lamp operation, several time of measuring points are set；The time of measuring point
Quantity foundation: after lamp tube starting to fluorescent tube output power reach stablize when, the present embodiment, since lamp tube starting
Until it is 5 minutes that fluorescent tube output power, which reaches stable time, the fluorescent tube output power adjusted every time between 0.2~1W, with
Adjust fluorescent tube output power uniformly during entire adjustment.
While measuring the real time temperature data of inverter and fluorescent tube, lamp tube ends voltage is monitored, and adjust lamp in real time
The voltage at pipe both ends limits the voltage difference of lamp tube ends within a preset range, so that fluorescent tube exports effective luminous intensity.
In the present embodiment: making fluorescent tube heating up to after a certain period of time after starting as early as possible, using fluorescent tube heating inertia, reduce in time
Output power, processing luminous intensity steadily export.
3, every to pass through a time of measuring point, measure the real time temperature data of inverter and fluorescent tube；It is obtained according to measurement
Real time temperature data and inverter parameters variation corresponding data and fluorescent tube Parameters variation corresponding data, adjust inverter pulsewidth
And inverter frequency, control inverter output power；After controlling inverter output power, measure between fluorescent tube and peripheral components
Real-time contact resistance value change in resistance amount, and according to the change in resistance of the real time temperature data of fluorescent tube and real-time contact resistance
Amount and the change in resistance Relation Parameters, adjust the input power of fluorescent tube, to control the output power of fluorescent tube；The periphery
Component includes the combination of any one or more in master control borad, lamp holder or conducting wire.
Fluorescent tube obtains lamp operation power by inverter output power, then by adjusting fluorescent tube pulsewidth and fluorescent tube frequency
Rate, adjusts the input power of fluorescent tube, to control fluorescent tube output power；Until fluorescent tube output power reaches stable, keep fluorescent tube steady
Determine output light intensity；Terminate the measurement of real time temperature data.It is specific as follows:
3.11, after running 25 seconds from lamp tube starting, the real time temperature data and environment temperature of inverter and fluorescent tube are measured
Degree, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
In the present embodiment, at this point, environment temperature is 15 degree, fluorescent tube input power is adjusted to 14W；
3.12, after running 115 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured,
And carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
In the present embodiment, at this point, environment temperature is 15 degree, fluorescent tube input power is adjusted to 12W；
3.13, after running 170 seconds from lamp tube starting, the real time temperature data of inverter and fluorescent tube are measured, and carry out one
The adjustment of secondary inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
In the present embodiment, at this point, environment temperature is 15 degree, fluorescent tube input power is adjusted to 9W；
3.14, after running 180 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured,
And the adjustment of an inverter pulsewidth and inverter frequency is carried out, then measure the real-time contact electricity between fluorescent tube and peripheral components
Resistance value, by adjusting the input power of fluorescent tube, to adjust the output power of fluorescent tube；
3.15, in the time that fluorescent tube continues to run after the step 3.14, every 10 seconds, the reality of inverter and fluorescent tube is measured
When temperature data and lamp tube ends voltage, in real time adjust lamp tube ends voltage, be limited to the voltage difference of lamp tube ends
In preset range, while carrying out the adjustment and fluorescent tube pulsewidth and fluorescent tube frequency of an inverter pulsewidth and inverter frequency
Adjustment, to adjust the input power of fluorescent tube；Until fluorescent tube output power reaches relatively to stablize, fluorescent tube is made to stablize output intensity
Degree；Terminate the measurement of real time temperature data.
Advantage of this embodiment is that: usable family greatly improves effective time used.Improve fluorescent tube it is effective when
Between.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this
The full scope of the equivalent that a little claims are possessed determines.
Claims (10)
1. a kind of method of fast and stable fluorescent tube output light intensity, which comprises the steps of:
(1) the inverter initial performance parameter of inverter in preset temperature range is obtained；And it is primality according to the inverter
Can gain of parameter inverter at different temperatures, the inversion between inverter frequency, inverter pulsewidth and inverter output power
Device Parameters variation corresponding data；The inverter initial performance parameter includes inverter temperature, inverter frequency and inverter arteries and veins
It is wide；
Obtain the fluorescent tube initial performance parameter of fluorescent tube in preset temperature range；And according to fluorescent tube initial performance gain of parameter lamp
It manages at different temperatures, the fluorescent tube Parameters variation corresponding data between fluorescent tube frequency, fluorescent tube pulsewidth and fluorescent tube output power；It is described
Fluorescent tube initial performance parameter includes lamp hole temperature, fluorescent tube frequency and fluorescent tube pulsewidth；
Obtain cell voltage parameter and environment temperature；
(2) inverter is driven, fluorescent tube is lighted；Since after lamp tube starting, during lamp operation, when several measurements are set
Between point；
(3) every to pass through a time of measuring point, measure the real time temperature data of inverter and fluorescent tube；It is obtained according to measurement real-time
Temperature data and inverter parameters variation corresponding data and fluorescent tube Parameters variation corresponding data adjust inverter pulsewidth and inverse
Become device frequency, controls inverter output power；Fluorescent tube obtains lamp operation power by inverter output power, then passes through tune
Whole fluorescent tube pulsewidth and fluorescent tube frequency control fluorescent tube output power；Until fluorescent tube output power reaches stable, fluorescent tube is made to stablize output
Luminous intensity；Terminate the measurement of real time temperature data.
2. a kind of method of fast and stable fluorescent tube output light intensity according to claim 1, it is characterised in that: step (2)
In, the quantity foundation of the time of measuring point: when reaching stable to fluorescent tube output power after lamp tube starting, adjust every time
Whole fluorescent tube output power increases or decreases 0.2~1W；So that fluorescent tube output light intensity uniformly adjusts during entire adjustment.
3. a kind of method of fast and stable fluorescent tube output light intensity according to claim 2, it is characterised in that: from fluorescent tube point
When starting after bright to fluorescent tube output power to reach stable, the rule of the fluorescent tube output power adjusted every time is as follows:
When environment temperature is less than or equal to 15 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~1W；
When environment temperature is 16~20 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.9W；
When environment temperature is 21~25 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.7W；
When environment temperature is 26~30 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.5W；
When environment temperature is more than 30 DEG C, the fluorescent tube output power adjusted every time increases or decreases 0.2~0.4W.
4. a kind of method of fast and stable fluorescent tube output light intensity according to claim 1, it is characterised in that: step (2)
In, it before lamp tube starting, measures lamp hole temperature: when temperature of a. before lamp tube starting is less than or equal to 13 DEG C, adjusting in fluorescent tube
Frequency makes fluorescent tube duty ratio to 15% to 20% to 45KHz~50KHz, adjustment fluorescent tube pulsewidth；Subsequently into subsequent step；
B. when the temperature before lamp tube starting is 14 DEG C~16 DEG C, fluorescent tube intermediate frequency is adjusted to 40KHz~44KHz, makes fluorescent tube duty
Than to 14~19%；Subsequently into subsequent step；
C. when the temperature before lamp tube starting is 17 DEG C~19 DEG C, fluorescent tube intermediate frequency is adjusted to 35KHz~39KHz, makes fluorescent tube duty
Than to 13~18%；Subsequently into subsequent step；
D. when the temperature before lamp tube starting is 20 DEG C~22 DEG C, fluorescent tube intermediate frequency is adjusted to 30KHz~34KHz, makes fluorescent tube duty
Than to 12~16%；Subsequently into subsequent step；
E. when the temperature before lamp tube starting is 23 DEG C~25 DEG C, fluorescent tube intermediate frequency is adjusted to 25KHz~29KHz, makes fluorescent tube duty
Than to 10~14%；Subsequently into subsequent step；
F. when the temperature before lamp tube starting is 26 DEG C~30 DEG C, fluorescent tube intermediate frequency is adjusted to 22KHz~24KHz, makes fluorescent tube duty
Than to 9~12%；Subsequently into subsequent step；
G. when the temperature before lamp tube starting is 31 DEG C or more, fluorescent tube intermediate frequency is adjusted to 19KHz~21KHz, makes fluorescent tube duty ratio
To 8~10%；Subsequently into subsequent step.
5. a kind of method of fast and stable fluorescent tube output light intensity according to claim 1, it is characterised in that: step (3)
In, according to the real time temperature of inverter, increased by increasing inverter intermediate frequency and adjustment inverter pulsewidth on the inverter
The duty ratio for adding inverter, compensates inverter output power.
6. a kind of method of fast and stable fluorescent tube output light intensity according to claim 1, it is characterised in that: step (3)
In, after lamp tube starting up to fluorescent tube output power reaches stable time be 3-5 minutes.
7. a kind of method of fast and stable fluorescent tube output light intensity according to claim 1, it is characterised in that: step (3)
In, while measuring the real time temperature data of inverter and fluorescent tube, lamp tube ends voltage is monitored, and adjust lamp tube ends in real time
Voltage, make lamp tube ends voltage difference limit within a preset range.
8. a kind of method of fast and stable fluorescent tube output light intensity according to claim 1, it is characterised in that: step (1)
In, further includes: in temperature range, obtain between fluorescent tube and peripheral components between temperature and contact resistance as caused by temperature
Change in resistance Relation Parameters；
After entering (3) step, after controlling inverter output power, the real-time contact between fluorescent tube and peripheral components is measured
The change in resistance amount of resistance, and according to the real time temperature data of fluorescent tube and the change in resistance amount of real-time contact resistance and the resistance
It is worth variation relation parameter, adjusts the output power of fluorescent tube；
The peripheral components include the combination of any one or more in master control borad, lamp holder or conducting wire.
9. a kind of method of fast and stable fluorescent tube output light intensity according to claim 1, it is characterised in that: step (3)
In specifically, complete step (2) lamp tube starting after:
(3.1) after running 15-25 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured, and
Carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 14~20W；When environment temperature is 16~25 DEG C
When, fluorescent tube input power is adjusted to 12W~15W, when environment temperature be 26~30 DEG C when, fluorescent tube input power be adjusted to 9W~
11W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；
(3.2) after running 110-120 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured,
And carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 13~15W；When environment temperature is 16~25 DEG C
When, fluorescent tube input power is adjusted to 10W~12W；When environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 9~
11W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；
(3.3) after running 150-170 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured,
And carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 9~11W；When environment temperature is 16~25 DEG C
When, fluorescent tube input power is adjusted to 9W~10W, and when environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 8~10W；
When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；
(3.4) within step (3.3) time that fluorescent tube continues to run later, every 8-10 seconds, the reality of inverter and fluorescent tube is measured
When temperature data, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the tune of fluorescent tube pulsewidth and fluorescent tube frequency
It is whole；Until fluorescent tube output power reaches stable, fluorescent tube is made to stablize output light intensity；Terminate the measurement of real time temperature data.
10. a kind of method of fast and stable fluorescent tube output light intensity according to claim 8, it is characterised in that: step (3)
In specifically, complete step (2) lamp tube starting after:
(3.11) after running 15-25 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured,
And carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 14~20W；When environment temperature is 16~25 DEG C
When, fluorescent tube input power is adjusted to 12W~15W, when environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 11~
13W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 9W~11W；
(3.12) after running 110-120 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured
Degree, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 13~15W；When environment temperature is 16~25 DEG C
When, fluorescent tube input power is adjusted to 10W~12W, when environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 9~
11W；When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；
(3.13) after running 150-170 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured
Degree, and carry out the adjustment of an inverter pulsewidth and inverter frequency and the adjustment of fluorescent tube pulsewidth and fluorescent tube frequency；
When environment temperature is less than or equal to 15 DEG C, fluorescent tube input power is adjusted to 9~11W；When environment temperature is 16~25 DEG C
When, fluorescent tube input power is adjusted to 9W~10W, and when environment temperature is 26~30 DEG C, fluorescent tube input power is adjusted to 8~10W；
When environment temperature is more than 30 DEG C, fluorescent tube input power is adjusted to 8W~10W；
(3.14) after running 175-180 seconds from lamp tube starting, real time temperature data, the environment temperature of inverter and fluorescent tube are measured
Degree, and the adjustment of an inverter pulsewidth and inverter frequency is carried out, then according to connecing between fluorescent tube and peripheral components in real time
The change in resistance amount and the change in resistance Relation Parameters of electric shock resistance, adjust the output power of fluorescent tube；
(3.15) in the time that fluorescent tube continues to run after the step (3.14), every 8-10 seconds, inverter and fluorescent tube are measured
The voltage of real time temperature data and lamp tube ends adjusts the voltage of lamp tube ends in real time, limits the voltage difference of lamp tube ends
Within a preset range, while the adjustment and fluorescent tube pulsewidth and fluorescent tube frequency of an inverter pulsewidth and inverter frequency being carried out
Adjustment；Until fluorescent tube output power reaches stable, fluorescent tube is made to stablize output light intensity；Terminate the measurement of real time temperature data.
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| CN112954847A (en) * | 2021-02-25 | 2021-06-11 | 深圳市高巨创新科技开发有限公司 | Light brightness adjusting method and terminal for formation unmanned aerial vehicle |
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