CN116540823B - DCDC voltage stabilizer intelligent control system - Google Patents
DCDC voltage stabilizer intelligent control system Download PDFInfo
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- CN116540823B CN116540823B CN202310827876.2A CN202310827876A CN116540823B CN 116540823 B CN116540823 B CN 116540823B CN 202310827876 A CN202310827876 A CN 202310827876A CN 116540823 B CN116540823 B CN 116540823B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/567—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for temperature compensation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
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- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention relates to the technical field of voltage stabilizer control, in particular to an intelligent control system of a DCDC voltage stabilizer, which comprises the following components: the data acquisition unit is used for acquiring the operation parameters of the voltage stabilizer and comprises a first voltage sensor, a second voltage sensor, an oscilloscope and an electric power sensor; the data processing unit is used for screening and calculating the operation parameters of the voltage stabilizer so as to output operation characteristic parameters of the voltage stabilizer; the feedback unit comprises a pulse width modulator and an external feedback resistor; the control unit is used for adjusting the frequency of the pulse width modulator to a first corresponding frequency according to the fluctuation amplitude of the output voltage, or adjusting the external feedback resistor to a corresponding resistance value according to the frequency offset, adjusting the heat dissipation area of the radiator to a corresponding area according to the real-time temperature, and adjusting the frequency of the pulse width modulator to a second corresponding frequency according to the loss amount of electric power under the first condition; the invention realizes the improvement of the operation efficiency and the operation stability of the voltage stabilizer.
Description
Technical Field
The invention relates to the technical field of voltage stabilizer control, in particular to an intelligent control system of a DCDC voltage stabilizer.
Background
The voltage stabilizer is a power supply circuit or power supply equipment capable of automatically regulating output voltage, and has the function of stabilizing the power supply voltage required by the electric equipment which has large fluctuation and is not used in the set value range of the power supply voltage, so that various circuits or electric equipment can normally work under rated working voltage.
Chinese patent publication No.: CN113031485a discloses an intelligent control system of an ac voltage stabilizer, which comprises a voltage control system board, a metering detection board, a control panel and a digital tube lamp board; the voltage control system board comprises a first PCB board, a singlechip circuit arranged on the first PCB board, and an output driving circuit, a temperature detection circuit, a state feedback signal circuit, a first communication port, a serial port circuit, a first power supply circuit and a second power supply circuit which are respectively connected with the singlechip circuit, wherein the following problems exist in the intelligent control system of the alternating current voltage stabilizer: the stability of the operation of the voltage regulator is degraded due to inaccurate determination of the stability of the output voltage reflected by the fluctuation amplitude of the output voltage.
Disclosure of Invention
Therefore, the invention provides an intelligent control system of a DCDC voltage stabilizer, which is used for solving the problem of the prior art that the stability of the voltage stabilizer is reduced due to inaccurate judgment of the stability of the output voltage reflected by the fluctuation range of the output voltage.
In order to achieve the above object, the present invention provides an intelligent control system for a DCDC voltage regulator, comprising: the data acquisition unit is used for acquiring the operation parameters of the voltage stabilizer, and comprises a first voltage sensor, a second voltage sensor, an oscilloscope and an electric power sensor, wherein the first voltage sensor is connected with the input end of the voltage stabilizer and used for detecting input voltage, the second voltage sensor is connected with the output end of the voltage stabilizer and used for detecting output voltage, the oscilloscope is connected with the second voltage sensor and used for displaying the waveform of the output voltage, the electric power sensor is connected with the output end of the voltage stabilizer and used for detecting the output electric power of the voltage stabilizer, and the operation parameters of the voltage stabilizer comprise: amplitude of the output voltage, frequency of the output voltage, input electric power, and output electric power; the data processing unit is connected with the data acquisition unit and is used for screening and calculating the operation parameters of the voltage stabilizer to output the operation characteristic parameters of the voltage stabilizer, and the operation characteristic parameters of the voltage stabilizer comprise: fluctuation amplitude of output voltage, frequency offset, real-time temperature and loss of electric power; the feedback unit is connected with the data processing unit and comprises a pulse width modulator connected with the first voltage sensor and used for adjusting the pulse width of the output voltage and an external feedback resistor arranged in a feedback circuit of the voltage stabilizer; the control unit is respectively connected with the data acquisition unit, the data processing unit and the feedback unit and is used for adjusting the frequency of the pulse width modulator to a first corresponding frequency when the stability of the output voltage is judged to be lower than an allowable range according to the fluctuation amplitude of the output voltage, or adjusting an external feedback resistor to a corresponding resistance value according to the frequency offset, adjusting the heat dissipation area of the radiator to a corresponding area according to the real-time temperature, and adjusting the frequency of the pulse width modulator to a second corresponding frequency according to the loss of electric power under a first condition; wherein the first condition is that the control unit completes the primary adjustment of the pulse width modulator frequency.
Further, the control unit determines three determination methods of whether the stability of the output voltage is within an allowable range according to the fluctuation range of the output voltage waveform, wherein,
the first judging method is that the control unit judges that the stability of the output voltage is within an allowable range under the condition of presetting a first amplitude;
the second judging method is that the control unit judges that the stability of the output voltage is lower than the allowable range under the condition of the preset second amplitude, and the pulse width modulator frequency is regulated to the corresponding frequency by calculating the difference value between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude;
the third judging method is that the control unit judges that the stability of the output voltage is lower than the allowable range under the condition of presetting a third amplitude, preliminarily judges that the external electromagnetic interference degree exceeds the allowable range, and carries out secondary judgment on the electromagnetic interference degree according to the frequency offset;
the preset first amplitude condition is that the fluctuation amplitude of the output voltage waveform is smaller than or equal to the preset first fluctuation amplitude; the preset second amplitude condition is that the fluctuation amplitude of the output voltage waveform is larger than the preset first fluctuation amplitude and smaller than or equal to the preset second fluctuation amplitude; the preset third amplitude condition is that the fluctuation amplitude of the output voltage waveform is larger than the preset second fluctuation amplitude; the preset first fluctuation amplitude is smaller than the preset second fluctuation amplitude.
Further, the control unit determines two adjustment methods for the frequency of the pulse width modulator according to the difference between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude, wherein,
the first frequency adjustment method is that the control unit adjusts the frequency of the pulse width modulator to a first frequency by using a preset first frequency adjustment coefficient under the condition of a preset first difference value;
the second frequency adjustment method is that the control unit adjusts the frequency of the pulse width modulator to a second frequency by using a preset second frequency adjustment coefficient under the condition of a preset second difference value;
the preset first difference condition is that the difference value between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude is smaller than or equal to the preset fluctuation amplitude difference value; the preset second difference condition is that the difference between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude is larger than the preset fluctuation amplitude difference; the preset first frequency adjustment coefficient is smaller than the preset second frequency adjustment coefficient.
Further, the control unit determines whether the electromagnetic interference degree exceeds the allowable range according to the frequency offset under the preset third amplitude condition, wherein,
The first secondary judgment method is that the control unit judges that the electromagnetic interference degree is in an allowable range under the condition of presetting a first offset;
the second secondary judgment method is that the control unit judges that the electromagnetic interference degree exceeds the allowable range under the condition of a preset second offset, and the external feedback resistor is adjusted to a corresponding resistance value by calculating the difference value between the frequency offset and the preset frequency offset;
the third secondary judging method is that the control unit judges that the electromagnetic interference degree exceeds the allowable range under the condition of presetting a third offset, and the primary judging circuit load exceeds the allowable range, and the secondary judging is carried out on the circuit load according to the real-time temperature;
the preset first offset condition is that the frequency offset is smaller than or equal to a preset first frequency offset; the preset second offset condition is that the frequency offset is larger than the preset first frequency offset and smaller than or equal to the preset second frequency offset; the preset third offset condition is that the frequency offset is larger than the preset second frequency offset; the preset first frequency offset is smaller than the preset second frequency offset.
Further, the control unit determines two types of adjusting methods for the external feedback resistance value according to the difference value between the frequency offset and the preset frequency offset under the preset first offset condition, wherein,
The first resistance adjusting method is that the control unit adjusts the external feedback resistance value to a first resistance value by using a preset second resistance adjusting coefficient under the condition of a preset first offset difference value;
the second resistance adjusting method is that the control unit adjusts the external feedback resistance value to a second resistance value by using a preset first resistance adjusting coefficient under the condition of presetting a second offset difference value;
the preset first offset difference condition is that the difference value between the frequency offset and the preset frequency offset is smaller than or equal to the preset offset difference value; the preset second offset difference condition is that the difference between the frequency offset and the preset frequency offset is larger than the preset offset difference; the preset first resistance adjustment coefficient is smaller than the preset second resistance adjustment coefficient.
Further, the control unit determines whether the circuit load is within the allowable range according to the real-time temperature under the preset third offset condition by two secondary determination methods, wherein,
the first load secondary judging method is that the control unit judges that the circuit load is in an allowable range under a preset first temperature condition;
the second load secondary judging method is that the control unit judges that the circuit load exceeds the allowable range under the condition of the preset second temperature, and adjusts the heat radiating area of the radiator by calculating the difference value between the real-time temperature and the preset temperature;
The preset first temperature condition is that the real-time temperature is less than or equal to the preset temperature; the preset second temperature condition is that the real-time temperature is larger than the preset temperature.
Further, the calculation formula of the real-time temperature is as follows:
wherein T is real-time temperature, V T D is the voltage temperature conversion coefficient for the output voltage value.
Further, the control unit determines two adjusting methods for the heat dissipation area of the heat sink according to the difference between the real-time temperature and the preset temperature under the preset second temperature condition, wherein,
the first area adjusting method is that the control unit adjusts the heat radiating area of the radiator to a first area by using a preset first area adjusting coefficient under the condition of a preset first temperature difference value;
the second area adjusting method is that the control unit adjusts the heat radiating area of the radiator to a second area by using a preset second area adjusting coefficient under the condition of a preset second temperature difference value;
the preset first temperature difference condition is that the difference between the real-time temperature and the preset temperature is smaller than or equal to the preset temperature difference; the preset second temperature difference condition is that the difference between the real-time temperature and the preset temperature is larger than the preset temperature difference; the first area adjustment coefficient is smaller than the second area adjustment coefficient.
Further, the control unit determines, when the initial adjustment of the frequency is completed, two determination methods of whether or not the conversion efficiency is within an allowable range based on the loss amount of the electric power, wherein,
the first efficiency judging method is that the control unit judges that the conversion efficiency is in an allowable range under the condition of presetting a first loss amount;
the second efficiency judging method is that the control unit judges that the conversion efficiency is lower than the allowable range under the condition of the preset second loss amount, and the frequency of the pulse width modulator is secondarily regulated by calculating the difference value between the loss amount of the electric power and the preset loss amount;
the first loss condition is that the loss of electric power is less than or equal to the preset loss; the preset second loss condition is that the loss of electric power is larger than the preset loss.
Further, the control unit determines two kinds of secondary adjustment methods for the frequency of the pulse width modulator according to a difference between the loss amount of the electric power and the preset loss amount under the preset second loss amount condition, wherein,
the first frequency secondary regulation method is that the control unit uses a preset third frequency regulation coefficient to regulate the frequency of the pulse width modulator to a third frequency under the condition of presetting a first loss difference value;
The second frequency secondary adjusting method is that the control unit adjusts the frequency of the pulse width modulator to a fourth frequency by using a preset fourth frequency adjusting coefficient under the condition of presetting a second loss amount difference value;
the preset first loss difference condition is that the difference between the loss of electric power and the preset loss is smaller than or equal to the preset loss difference; the preset second loss difference condition is that the difference between the loss of electric power and the preset loss is larger than the preset loss difference; the preset third frequency adjustment coefficient is smaller than the preset fourth frequency adjustment coefficient.
Compared with the prior art, the intelligent control system has the beneficial effects that the intelligent control system intelligently regulates the voltage stabilizer in the operation process of the DCDC voltage stabilizer by arranging the data acquisition unit, the data processing unit, the feedback unit and the control unit so as to finish the smooth operation of the DCDC voltage stabilizer, the data acquisition unit acquires the operation parameters of the voltage stabilizer and then transmits the calculation processing of the data processing unit so as to output the operation characteristic parameters of the voltage stabilizer, the control unit adjusts the frequency of the pulse width modulator according to the fluctuation amplitude of voltage fluctuation, reduces the bandwidth of an output voltage waveform by increasing the frequency of the pulse width modulator, improves the stability of the output voltage, or adjusts the external feedback resistor to a corresponding resistance value according to the frequency offset, reduces the influence of induced current by reducing the external feedback resistance value, adjusts the heat dissipation area of the heat radiator to a corresponding area according to the real-time temperature, reduces the temperature rise rate by increasing the heat dissipation area of the heat radiator, and secondarily regulates the frequency of the pulse width modulator according to the loss amount of electric power after the primary regulation of the frequency of the pulse width modulator is finished, so that the frequency of the voltage conversion efficiency of the voltage modulator is improved, and the operation efficiency and the stability of the voltage regulator are improved.
Further, the intelligent control system of the invention judges the stability of the output voltage by setting a preset first amplitude condition, a preset second amplitude condition and a preset third amplitude condition, the fluctuation amplitude of the output voltage waveform is overlarge to indicate that the voltage stability is poor, and the control unit adjusts the frequency of the pulse width modulator by setting a preset first difference value condition, a preset second difference value condition, a preset first frequency adjustment coefficient and a preset second frequency adjustment coefficient under the preset second amplitude condition, and improves the bandwidth of the output voltage waveform by increasing the frequency of the pulse width modulator, thereby improving the operation efficiency and the operation stability of the voltage stabilizer.
Further, the intelligent control system of the invention performs secondary judgment on the electromagnetic interference degree by setting the preset first offset condition, the preset second offset condition and the preset third offset condition under the preset third amplitude condition, and the control unit further improves the operation efficiency and the operation stability of the voltage stabilizer by reducing the influence of the external feedback resistance value and further reducing the induction current due to the fact that the current frequency in the operation of the voltage stabilizer is offset and further decreases the stability of the voltage stabilizer by setting the preset first offset difference condition, the preset second offset difference condition, the preset first resistance adjustment coefficient and the preset second resistance adjustment coefficient.
Further, the intelligent control system of the invention judges whether the circuit load is in the allowable range or not by setting the preset first temperature condition and the preset second temperature condition, the circuit load is increased due to temperature rise, so that the effectiveness of the voltage stabilizer is reduced, and the control unit adjusts the heat radiating area of the radiator by setting the preset first temperature difference condition, the preset second temperature difference condition, the preset first area adjusting coefficient and the preset second area adjusting coefficient, and reduces the temperature rise rate by increasing the heat radiating area of the radiator, so that the operation efficiency and the operation stability of the voltage stabilizer are further improved.
Further, the intelligent control system of the invention judges whether the conversion efficiency is within the allowable range or not by setting the preset first loss condition and the preset second loss condition, the excessive loss indicates that the effectiveness of the voltage stabilizer is reduced, and the control unit secondarily adjusts the frequency of the pulse width modulator by setting the preset first loss difference condition, the preset second loss difference condition, the preset third frequency adjustment coefficient and the preset fourth frequency adjustment coefficient, so that the voltage conversion efficiency is improved by reducing the frequency of the pulse width modulator, and the operation efficiency and the operation stability of the voltage stabilizer are further improved.
Drawings
FIG. 1 is a block diagram of the overall structure of an intelligent control system of a DCDC voltage regulator according to an embodiment of the present invention;
FIG. 2 is a block diagram showing a specific structure of a data acquisition unit of the intelligent control system of the DCDC voltage stabilizer according to the embodiment of the present invention;
FIG. 3 is a block diagram showing a connection structure between a data acquisition unit and a control unit of an intelligent control system of a DCDC voltage regulator according to an embodiment of the present invention;
fig. 4 is a block diagram of a connection structure between a data acquisition unit and a data processing unit of the DCDC voltage regulator intelligent control system according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
Fig. 1, fig. 2, fig. 3, and fig. 4 show an overall block diagram of an intelligent control system of a DCDC voltage regulator, a specific block diagram of a data acquisition unit, a connection block diagram of the data acquisition unit and a control unit, and a connection block diagram of the data acquisition unit and a data processing unit according to an embodiment of the present invention. The embodiment relates to an intelligent control system of a DCDC voltage stabilizer, which comprises:
The data acquisition unit is used for acquiring the operation parameters of the voltage stabilizer, and comprises a first voltage sensor, a second voltage sensor, an oscilloscope and an electric power sensor, wherein the first voltage sensor is connected with the input end of the voltage stabilizer and used for detecting input voltage, the second voltage sensor is connected with the output end of the voltage stabilizer and used for detecting output voltage, the oscilloscope is connected with the second voltage sensor and used for displaying the waveform of the output voltage, the electric power sensor is connected with the output end of the voltage stabilizer and used for detecting the output electric power of the voltage stabilizer, and the operation parameters of the voltage stabilizer comprise: amplitude of output voltage, frequency of output voltage, input power
Rate and output electric power;
the data processing unit is connected with the data acquisition unit and is used for screening and calculating the operation parameters of the voltage stabilizer to output the operation characteristic parameters of the voltage stabilizer, and the operation characteristic parameters of the voltage stabilizer comprise: fluctuation amplitude of output voltage, frequency offset, real-time temperature and loss of electric power;
the feedback unit is connected with the data processing unit and comprises a pulse width modulator connected with the first voltage sensor and used for adjusting the pulse width of the output voltage and an external feedback resistor arranged in a feedback circuit of the voltage stabilizer;
A control unit respectively connected with the data acquisition unit, the data processing unit and the feedback unit and used for adjusting the frequency of the pulse width modulator to a first corresponding frequency when the stability of the output voltage is judged to be lower than the allowable range according to the fluctuation amplitude of the output voltage, or adjusting the external feedback resistor to a corresponding resistance value according to the frequency offset,
and adjusting the heat dissipation area of the heat sink to a corresponding area according to the real-time temperature,
and adjusting the pulse width modulator frequency to a second corresponding frequency according to the amount of loss of electrical power under the first condition;
wherein the first condition is that the control unit completes the primary adjustment of the pulse width modulator frequency.
Specifically, the fluctuation amplitude of the output voltage is obtained by performing analysis calculation on the output voltage.
Specifically, the frequency offset is an absolute value of a difference between a frequency of an output voltage of the voltage regulator and a frequency of an input voltage.
Specifically, the loss amount of the electric power is a difference between the input-side electric power and the output-side electric power.
According to the intelligent control system, the data acquisition unit, the data processing unit, the feedback unit and the control unit are arranged, the voltage stabilizer is intelligently regulated and controlled in the operation process of the DCDC voltage stabilizer, so that smooth operation of the DCDC voltage stabilizer is completed, the data acquisition unit acquires the operation parameters of the voltage stabilizer and then transmits the calculation processing of the data processing unit to output the operation characteristic parameters of the voltage stabilizer, the control unit adjusts the frequency of the pulse width modulator according to the fluctuation amplitude of voltage fluctuation, the bandwidth of an output voltage waveform is reduced through increasing the frequency of the pulse width modulator, the stability of the output voltage is improved, or the external feedback resistor is adjusted to a corresponding resistance value according to the frequency offset, the influence of induced current is reduced through reducing the external feedback resistance value, the heat dissipation area of the heat radiator is adjusted to a corresponding area according to real-time temperature, the temperature rise rate is reduced through increasing the heat dissipation area of the heat radiator, the frequency of the pulse width modulator is secondarily adjusted according to the loss amount of electric power after primary adjustment of the frequency of the pulse width modulator is completed, the frequency of the pulse width modulator is reduced, the voltage conversion efficiency is improved, and the operation efficiency and the stability of the voltage is improved are improved.
With continued reference to fig. 1, the control unit determines whether the stability of the output voltage is within an allowable range according to the fluctuation range of the output voltage waveform, wherein,
the first judging method is that the control unit judges that the stability of the output voltage is within an allowable range under the condition of presetting a first amplitude;
the second judging method is that the control unit judges that the stability of the output voltage is lower than the allowable range under the condition of the preset second amplitude, and the pulse width modulator frequency is regulated to the corresponding frequency by calculating the difference value between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude;
the third judging method is that the control unit judges that the stability of the output voltage is lower than the allowable range under the condition of presetting a third amplitude, preliminarily judges that the external electromagnetic interference degree exceeds the allowable range, and carries out secondary judgment on the electromagnetic interference degree according to the frequency offset;
the preset first amplitude condition is that the fluctuation amplitude of the output voltage waveform is smaller than or equal to the preset first fluctuation amplitude; the preset second amplitude condition is that the fluctuation amplitude of the output voltage waveform is larger than the preset first fluctuation amplitude and smaller than or equal to the preset second fluctuation amplitude; the preset third amplitude condition is that the fluctuation amplitude of the output voltage waveform is larger than the preset second fluctuation amplitude; the preset first fluctuation amplitude is smaller than the preset second fluctuation amplitude.
Specifically, the fluctuation width of the output voltage waveform is denoted as F, the preset first fluctuation width is denoted as F1, the preset second fluctuation width is denoted as F2, the difference between the fluctuation width of the output voltage waveform and the preset first fluctuation width is denoted as Δf, and Δf=f-F1 is set.
With continued reference to fig. 1, the control unit determines two adjustment methods for the frequency of the pulse width modulator according to the difference between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude, wherein,
the first frequency adjustment method is that the control unit adjusts the frequency of the pulse width modulator to a first frequency by using a preset first frequency adjustment coefficient under the condition of a preset first difference value;
the second frequency adjustment method is that the control unit adjusts the frequency of the pulse width modulator to a second frequency by using a preset second frequency adjustment coefficient under the condition of a preset second difference value;
the preset first difference condition is that the difference value between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude is smaller than or equal to the preset fluctuation amplitude difference value; the preset second difference condition is that the difference between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude is larger than the preset fluctuation amplitude difference; the preset first frequency adjustment coefficient is smaller than the preset second frequency adjustment coefficient.
Specifically, the preset fluctuation amplitude difference is denoted as Δf0, the preset first frequency adjustment coefficient is denoted as α1, the preset second frequency adjustment coefficient is denoted as α2, wherein 1 < α1 < α2, the pulse width modulator frequency is denoted as H, the adjusted pulse width modulator frequency is denoted as H ', and H' =h×αi is set, wherein αi is the preset ith frequency adjustment coefficient, i=1, 2.
The intelligent control system provided by the invention has the advantages that the control unit judges the stability of the output voltage by setting the preset first amplitude condition, the preset second amplitude condition and the preset third amplitude condition, the fluctuation amplitude of the output voltage waveform is overlarge to indicate that the voltage stability is poor, the control unit regulates the frequency of the pulse width modulator by setting the preset first difference value condition, the preset second difference value condition, the preset first frequency regulating coefficient and the preset second frequency regulating coefficient under the preset second amplitude condition, and the bandwidth of the output voltage waveform is improved by increasing the frequency of the pulse width modulator, so that the operation efficiency and the operation stability of the voltage stabilizer are further improved.
With continued reference to fig. 1 and 2, the control unit determines whether the electromagnetic interference degree exceeds the allowable range according to the frequency offset under the preset third amplitude condition, wherein,
The first secondary judgment method is that the control unit judges that the electromagnetic interference degree is in an allowable range under the condition of presetting a first offset;
the second secondary judgment method is that the control unit judges that the electromagnetic interference degree exceeds the allowable range under the condition of a preset second offset, and the external feedback resistor is adjusted to a corresponding resistance value by calculating the difference value between the frequency offset and the preset frequency offset;
the third secondary judging method is that the control unit judges that the electromagnetic interference degree exceeds the allowable range under the condition of presetting a third offset, and the primary judging circuit load exceeds the allowable range, and the secondary judging is carried out on the circuit load according to the real-time temperature;
the preset first offset condition is that the frequency offset is smaller than or equal to a preset first frequency offset; the preset second offset condition is that the frequency offset is larger than the preset first frequency offset and smaller than or equal to the preset second frequency offset; the preset third offset condition is that the frequency offset is larger than the preset second frequency offset; the preset first frequency offset is smaller than the preset second frequency offset.
Specifically, the frequency offset is denoted as P, the preset first frequency offset is denoted as P1, the preset second frequency offset is denoted as P2, the difference between the frequency offset and the preset first frequency offset is denoted as Δp, and Δp=p-P1 is set.
With continued reference to fig. 1, the control unit determines two types of adjustment methods for the external feedback resistance according to the difference between the frequency offset and the preset frequency offset under the preset first offset condition, wherein,
the first resistance adjusting method is that the control unit adjusts the external feedback resistance value to a first resistance value by using a preset second resistance adjusting coefficient under the condition of a preset first offset difference value;
the second resistance adjusting method is that the control unit adjusts the external feedback resistance value to a second resistance value by using a preset first resistance adjusting coefficient under the condition of presetting a second offset difference value;
the preset first offset difference condition is that the difference value between the frequency offset and the preset frequency offset is smaller than or equal to the preset offset difference value; the preset second offset difference condition is that the difference between the frequency offset and the preset frequency offset is larger than the preset offset difference; the preset first resistance adjustment coefficient is smaller than the preset second resistance adjustment coefficient.
Specifically, the preset offset difference is denoted as Δp0, the preset first resistance adjustment coefficient is denoted as β1, the preset second resistance adjustment coefficient is denoted as β2, wherein 0 < β1 < β2 < 1, the external feedback resistance value is denoted as R, the adjusted external feedback resistance value is denoted as R ', and R' =p×βj is set, wherein βj is the preset j-th resistance adjustment coefficient, j=1, 2.
According to the intelligent control system, under the preset third amplitude condition, the control unit carries out secondary judgment on the electromagnetic interference degree by setting the preset first offset condition, the preset second offset condition and the preset third offset condition, and the current frequency in the operation of the voltage stabilizer is offset and further the stability of the voltage stabilizer is reduced due to the electromagnetic interference in a circuit.
With continued reference to fig. 1, the control unit determines, under a preset third offset condition, whether the circuit load is within an allowable range according to two secondary determination methods, wherein,
the first load secondary judging method is that the control unit judges that the circuit load is in an allowable range under a preset first temperature condition;
the second load secondary judging method is that the control unit judges that the circuit load exceeds the allowable range under the condition of the preset second temperature, and adjusts the heat radiating area of the radiator by calculating the difference value between the real-time temperature and the preset temperature;
The preset first temperature condition is that the real-time temperature is less than or equal to the preset temperature; the preset second temperature condition is that the real-time temperature is larger than the preset temperature.
Specifically, the real-time temperature is denoted as T, the preset temperature is denoted as T0, the difference between the real-time temperature and the preset temperature is denoted as Δt, and Δt=t-T0 is set.
With continued reference to fig. 1, the calculation formula of the real-time temperature is as follows:
wherein T is real-time temperature, V T D is the voltage temperature conversion coefficient for the output voltage value.
With continued reference to fig. 1 and 2, the control unit determines two adjustment methods for the heat dissipation area of the heat sink according to the difference between the real-time temperature and the preset temperature under the preset second temperature condition, wherein,
the first area adjusting method is that the control unit adjusts the heat radiating area of the radiator to a first area by using a preset first area adjusting coefficient under the condition of a preset first temperature difference value;
the second area adjusting method is that the control unit adjusts the heat radiating area of the radiator to a second area by using a preset second area adjusting coefficient under the condition of a preset second temperature difference value;
the preset first temperature difference condition is that the difference between the real-time temperature and the preset temperature is smaller than or equal to the preset temperature difference; the preset second temperature difference condition is that the difference between the real-time temperature and the preset temperature is larger than the preset temperature difference; the first area adjustment coefficient is smaller than the second area adjustment coefficient.
Specifically, the preset temperature difference is denoted as Δt0, the preset first area adjustment coefficient is denoted as δ1, the preset second area adjustment coefficient is denoted as δ2, where 0 < δ1 < δ2 < 1, the heat dissipation area of the radiator is denoted as S, the heat dissipation area of the radiator after adjustment is denoted as S ', S' =s× (1+δg) is set, where δg is the preset g-th area adjustment coefficient, and g=1, 2.
According to the intelligent control system, whether the circuit load is in the allowable range or not is judged by the control unit through setting the preset first temperature condition and the preset second temperature condition, the effectiveness of the voltage stabilizer is reduced due to the fact that the circuit load is increased due to the fact that the temperature is increased, the heat radiating area of the radiator is adjusted by the control unit through setting the preset first temperature difference condition, the preset second temperature difference condition, the preset first area adjusting coefficient and the preset second area adjusting coefficient, and the temperature increasing rate is reduced through increasing the heat radiating area of the radiator, so that the operation efficiency and the operation stability of the voltage stabilizer are further improved.
With continued reference to fig. 1 and 2, the control unit determines, upon completion of the initial adjustment of the frequency, two determination methods of whether the conversion efficiency is within the allowable range based on the loss amount of the electric power, wherein,
The first efficiency judging method is that the control unit judges that the conversion efficiency is in an allowable range under the condition of presetting a first loss amount;
the second efficiency judging method is that the control unit judges that the conversion efficiency is lower than the allowable range under the condition of the preset second loss amount, and the frequency of the pulse width modulator is secondarily regulated by calculating the difference value between the loss amount of the electric power and the preset loss amount;
the first loss condition is that the loss of electric power is less than or equal to the preset loss; the preset second loss condition is that the loss of electric power is larger than the preset loss.
Specifically, the loss amount of electric power is denoted as L, the preset loss amount is denoted as L0, the difference between the loss amount of electric power and the preset loss amount is denoted as Δl, and Δl=l-L0 is set.
With continued reference to fig. 1, the control unit determines two types of secondary adjustment methods for the frequency of the pulse width modulator according to the difference between the loss of the electric power and the preset loss under the preset second loss condition, wherein,
the first frequency secondary adjustment method is that the control unit uses a preset third frequency adjustment coefficient to secondarily adjust the frequency of the pulse width modulator to a third frequency under the condition of presetting a first loss difference value;
The second frequency secondary adjustment method is that the control unit uses a preset fourth frequency adjustment coefficient to secondarily adjust the frequency of the pulse width modulator to a fourth frequency under the condition of presetting a second loss amount difference value;
the preset first loss difference condition is that the difference between the loss of electric power and the preset loss is smaller than or equal to the preset loss difference; the preset second loss difference condition is that the difference between the loss of electric power and the preset loss is larger than the preset loss difference; the preset third frequency adjustment coefficient is smaller than the preset fourth frequency adjustment coefficient.
Specifically, the preset loss amount difference is denoted as Δl0, the preset third frequency adjustment coefficient is denoted as α3, the preset fourth frequency adjustment coefficient is denoted as α4, wherein 0 < α3 < α4 < 1, the pulse width modulator frequency after the secondary adjustment is denoted as H ", H" =h' × (1- αk) is set, wherein αk is the preset kth frequency adjustment coefficient, and k=3, 4.
The intelligent control system judges whether the conversion efficiency is in an allowable range or not by setting a preset first loss condition and a preset second loss condition, the excessive loss indicates that the effectiveness of the voltage stabilizer is reduced, and the control unit secondarily adjusts the frequency of the pulse width modulator by setting a preset first loss difference condition, a preset second loss difference condition, a preset third frequency adjustment coefficient and a preset fourth frequency adjustment coefficient, so that the voltage conversion efficiency is improved by reducing the frequency of the pulse width modulator, and the operation efficiency and the operation stability of the voltage stabilizer are further improved.
Example 1
In this example 1, the preset temperature difference is denoted as Δt0, the preset first area adjustment coefficient is denoted as δ1, the preset second area adjustment coefficient is denoted as δ2, where 0 < δ1 < δ2 < 1, the heat dissipation area of the heat sink is denoted as S, where Δt0=5 ℃, δ1=0.2, δ2=0.4, s=5 cm2,
in this example, Δt=4deg.C was obtained, the control unit determines Δt++Δt0 and adjusts the heat radiation area of the radiator using δ1, and the adjusted heat radiation area of the radiator is S' =5cm2× (1+0.2) =6cm2.
In the intelligent control system of the embodiment, after the DeltaT is measured, the control unit judges that the delta 1 is used for adjusting the heat radiating area of the radiator, and the circuit temperature is reduced by increasing the heat radiating area of the radiator, so that the operation efficiency and the operation stability of the voltage stabilizer are improved.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An intelligent control system for a DCDC voltage regulator, comprising:
the data acquisition unit is used for acquiring the operation parameters of the voltage stabilizer, and comprises a first voltage sensor, a second voltage sensor, an oscilloscope and an electric power sensor, wherein the first voltage sensor is connected with the input end of the voltage stabilizer and used for detecting input voltage, the second voltage sensor is connected with the output end of the voltage stabilizer and used for detecting output voltage, the oscilloscope is connected with the second voltage sensor and used for displaying the waveform of the output voltage, the electric power sensor is connected with the output end of the voltage stabilizer and used for detecting the output electric power of the voltage stabilizer, and the operation parameters of the voltage stabilizer comprise: amplitude of the output voltage, frequency of the output voltage, input electric power, and output electric power;
the data processing unit is connected with the data acquisition unit and is used for screening and calculating the operation parameters of the voltage stabilizer to output the operation characteristic parameters of the voltage stabilizer, and the operation characteristic parameters of the voltage stabilizer comprise: fluctuation amplitude of output voltage, frequency offset, real-time temperature and loss of electric power;
The feedback unit is connected with the data processing unit and comprises a pulse width modulator connected with the first voltage sensor and used for adjusting the pulse width of the output voltage and an external feedback resistor arranged in a feedback circuit of the voltage stabilizer;
a control unit respectively connected with the data acquisition unit, the data processing unit and the feedback unit and used for adjusting the frequency of the pulse width modulator to a first corresponding frequency when the stability of the output voltage is judged to be lower than the allowable range according to the fluctuation amplitude of the output voltage, or adjusting the external feedback resistor to a corresponding resistance value according to the frequency offset,
and adjusting the heat dissipation area of the heat sink to a corresponding area according to the real-time temperature,
and adjusting the pulse width modulator frequency to a second corresponding frequency according to the amount of loss of electrical power under the first condition;
the first condition is that the control unit completes primary adjustment of the frequency of the pulse width modulator;
the control unit determines three determination methods of whether the stability of the output voltage is within an allowable range according to the fluctuation amplitude of the output voltage waveform, wherein,
the first judging method is that the control unit judges that the stability of the output voltage is within an allowable range under the condition of presetting a first amplitude;
The second judging method is that the control unit judges that the stability of the output voltage is lower than the allowable range under the condition of the preset second amplitude, and the pulse width modulator frequency is regulated to the corresponding frequency by calculating the difference value between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude;
the third judging method is that the control unit judges that the stability of the output voltage is lower than the allowable range under the condition of presetting a third amplitude, preliminarily judges that the external electromagnetic interference degree exceeds the allowable range, and carries out secondary judgment on the electromagnetic interference degree according to the frequency offset;
the preset first amplitude condition is that the fluctuation amplitude of the output voltage waveform is smaller than or equal to the preset first fluctuation amplitude; the preset second amplitude condition is that the fluctuation amplitude of the output voltage waveform is larger than the preset first fluctuation amplitude and smaller than or equal to the preset second fluctuation amplitude; the preset third amplitude condition is that the fluctuation amplitude of the output voltage waveform is larger than the preset second fluctuation amplitude; the preset first fluctuation amplitude is smaller than the preset second fluctuation amplitude;
the control unit determines two regulation methods for the frequency of the pulse width modulator according to the difference between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude, wherein,
The first frequency adjustment method is that the control unit adjusts the frequency of the pulse width modulator to a first frequency by using a preset first frequency adjustment coefficient under the condition of a preset first difference value;
the second frequency adjustment method is that the control unit adjusts the frequency of the pulse width modulator to a second frequency by using a preset second frequency adjustment coefficient under the condition of a preset second difference value;
the preset first difference condition is that the difference value between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude is smaller than or equal to the preset fluctuation amplitude difference value; the preset second difference condition is that the difference between the fluctuation amplitude of the output voltage waveform and the preset first fluctuation amplitude is larger than the preset fluctuation amplitude difference; the preset first frequency adjustment coefficient is smaller than the preset second frequency adjustment coefficient;
the control unit determines whether the electromagnetic interference degree exceeds the allowable range according to the frequency offset under the preset third amplitude condition, wherein,
the first secondary judgment method is that the control unit judges that the electromagnetic interference degree is in an allowable range under the condition of presetting a first offset;
the second secondary judgment method is that the control unit judges that the electromagnetic interference degree exceeds the allowable range under the condition of a preset second offset, and the external feedback resistor is adjusted to a corresponding resistance value by calculating the difference value between the frequency offset and the preset frequency offset;
The third secondary judging method is that the control unit judges that the electromagnetic interference degree exceeds the allowable range under the condition of presetting a third offset, and the primary judging circuit load exceeds the allowable range, and the secondary judging is carried out on the circuit load according to the real-time temperature;
the preset first offset condition is that the frequency offset is smaller than or equal to a preset first frequency offset; the preset second offset condition is that the frequency offset is larger than the preset first frequency offset and smaller than or equal to the preset second frequency offset; the preset third offset condition is that the frequency offset is larger than the preset second frequency offset; the preset first frequency offset is smaller than the preset second frequency offset.
2. The intelligent control system of the DCDC voltage regulator of claim 1, wherein the control unit determines two types of adjustment methods for the external feedback resistance value according to a difference between the frequency offset and the preset frequency offset under the preset second offset condition, wherein,
the first resistance adjusting method is that the control unit adjusts the external feedback resistance value to a first resistance value by using a preset second resistance adjusting coefficient under the condition of a preset first offset difference value;
The second resistance adjusting method is that the control unit adjusts the external feedback resistance value to a second resistance value by using a preset first resistance adjusting coefficient under the condition of presetting a second offset difference value;
the preset first offset difference condition is that the difference value between the frequency offset and the preset frequency offset is smaller than or equal to the preset offset difference value; the preset second offset difference condition is that the difference between the frequency offset and the preset frequency offset is larger than the preset offset difference; the preset first resistance adjustment coefficient is smaller than the preset second resistance adjustment coefficient.
3. The intelligent control system of a DCDC voltage regulator according to claim 2, wherein the control unit determines whether the circuit load is within the allowable range according to two secondary determination methods of real-time temperature under a preset third offset condition, wherein,
the first load secondary judging method is that the control unit judges that the circuit load is in an allowable range under a preset first temperature condition;
the second load secondary judging method is that the control unit judges that the circuit load exceeds the allowable range under the condition of the preset second temperature, and adjusts the heat radiating area of the radiator by calculating the difference value between the real-time temperature and the preset temperature;
The preset first temperature condition is that the real-time temperature is less than or equal to the preset temperature; the preset second temperature condition is that the real-time temperature is larger than the preset temperature.
4. The DCDC voltage regulator intelligent control system of claim 3, wherein the real-time temperature calculation formula is:
the method comprises the steps of carrying out a first treatment on the surface of the Wherein T is real-time temperature, V T D is the voltage temperature conversion coefficient for the output voltage value.
5. The intelligent control system of a DCDC voltage regulator of claim 4, wherein the control unit determines two adjustment methods for the heat dissipation area of the heat sink according to a difference between the real-time temperature and the preset temperature under the preset second temperature condition, wherein,
the first area adjusting method is that the control unit adjusts the heat radiating area of the radiator to a first area by using a preset first area adjusting coefficient under the condition of a preset first temperature difference value;
the second area adjusting method is that the control unit adjusts the heat radiating area of the radiator to a second area by using a preset second area adjusting coefficient under the condition of a preset second temperature difference value;
the preset first temperature difference condition is that the difference between the real-time temperature and the preset temperature is smaller than or equal to the preset temperature difference; the preset second temperature difference condition is that the difference between the real-time temperature and the preset temperature is larger than the preset temperature difference; the first area adjustment coefficient is smaller than the second area adjustment coefficient.
6. The DCDC regulator intelligent control system according to claim 1, wherein the control unit determines whether the conversion efficiency is within the allowable range based on the loss amount of the electric power at the time of completion of the initial adjustment of the frequency, wherein,
the first efficiency judging method is that the control unit judges that the conversion efficiency is in an allowable range under the condition of presetting a first loss amount;
the second efficiency judging method is that the control unit judges that the conversion efficiency is lower than the allowable range under the condition of the preset second loss amount, and the frequency of the pulse width modulator is secondarily regulated by calculating the difference value between the loss amount of the electric power and the preset loss amount;
the first loss condition is that the loss of electric power is less than or equal to the preset loss; the preset second loss condition is that the loss of electric power is larger than the preset loss.
7. The intelligent control system of a DCDC voltage regulator according to claim 6, wherein the control unit determines two kinds of secondary adjustment methods for the frequency of the pulse width modulator according to a difference between the amount of loss of the electric power and the preset amount of loss under the preset second amount of loss condition, wherein,
The first frequency secondary regulation method is that the control unit uses a preset third frequency regulation coefficient to regulate the frequency of the pulse width modulator to a third frequency under the condition of presetting a first loss difference value;
the second frequency secondary adjusting method is that the control unit adjusts the frequency of the pulse width modulator to a fourth frequency by using a preset fourth frequency adjusting coefficient under the condition of presetting a second loss amount difference value;
the preset first loss difference condition is that the difference between the loss of electric power and the preset loss is smaller than or equal to the preset loss difference; the preset second loss difference condition is that the difference between the loss of electric power and the preset loss is larger than the preset loss difference; the preset third frequency adjustment coefficient is smaller than the preset fourth frequency adjustment coefficient.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004364476A (en) * | 2003-06-09 | 2004-12-24 | Fuji Electric Systems Co Ltd | Method of controlling power converter |
| CN201556110U (en) * | 2009-09-28 | 2010-08-18 | 华通机电集团有限公司 | Intelligent voltage stabilizer controller |
| CN102386771A (en) * | 2010-09-02 | 2012-03-21 | 凹凸电子（武汉）有限公司 | Controller, current control method and DC-DC converter |
| KR20150015816A (en) * | 2013-08-01 | 2015-02-11 | 주식회사 파워넷 | Lamp driving device |
| KR20180065271A (en) * | 2016-12-07 | 2018-06-18 | 이주호 | DC/DC Converter circuit using synchronous rectifying switching regulator |
| CN209805677U (en) * | 2019-06-12 | 2019-12-17 | 成都宝通天宇电子科技有限公司 | Novel DC-DC switching power supply circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6149452B2 (en) * | 2013-03-22 | 2017-06-21 | 富士通株式会社 | Power supply device and semiconductor integrated circuit device |
| US10277140B2 (en) * | 2017-08-31 | 2019-04-30 | Google Llc | High-bandwith resonant power converters |
-
2023
- 2023-07-07 CN CN202310827876.2A patent/CN116540823B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004364476A (en) * | 2003-06-09 | 2004-12-24 | Fuji Electric Systems Co Ltd | Method of controlling power converter |
| CN201556110U (en) * | 2009-09-28 | 2010-08-18 | 华通机电集团有限公司 | Intelligent voltage stabilizer controller |
| CN102386771A (en) * | 2010-09-02 | 2012-03-21 | 凹凸电子（武汉）有限公司 | Controller, current control method and DC-DC converter |
| KR20150015816A (en) * | 2013-08-01 | 2015-02-11 | 주식회사 파워넷 | Lamp driving device |
| KR20180065271A (en) * | 2016-12-07 | 2018-06-18 | 이주호 | DC/DC Converter circuit using synchronous rectifying switching regulator |
| CN209805677U (en) * | 2019-06-12 | 2019-12-17 | 成都宝通天宇电子科技有限公司 | Novel DC-DC switching power supply circuit |
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