CN108400707A - A kind of DC power converter and its working method - Google Patents
A kind of DC power converter and its working method Download PDFInfo
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- CN108400707A CN108400707A CN201810468600.9A CN201810468600A CN108400707A CN 108400707 A CN108400707 A CN 108400707A CN 201810468600 A CN201810468600 A CN 201810468600A CN 108400707 A CN108400707 A CN 108400707A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000006837 decompression Effects 0.000 claims abstract description 34
- 230000033228 biological regulation Effects 0.000 claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 abstract description 21
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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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
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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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- 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
- H02M1/0083—Converters characterised by their input or output configuration
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
A kind of DC power converter of present invention offer and its working method, the DC power converter includes governor circuit, power supply input circuit, regulator circuit, voltage commutation circuit and voltage output end, and power supply input circuit provides power supply to governor circuit, regulator circuit and voltage commutation circuit；Governor circuit obtains the input voltage of power supply input circuit, governor circuit sends control signal according to input voltage to regulator circuit, regulator circuit exports voltage of voltage regulation according to control signal to voltage commutation circuit, and voltage commutation circuit switches the output voltage of voltage output end output.This method controls boosting adjustable factors and decompression adjustable factors in regulator circuit according to input voltage, to carry out voltage stabilizing to input voltage.It can be achieved to carry out adaptive voltage stabilizing to unstable power supply using the present invention.
Description
Technical field
The present invention relates to power-supply device technical fields, specifically, being related to a kind of DC power converter, further relate to the direct current
The working method of power supply changeover device.
Background technology
With the development of power technology, there is such as steam-electric power plant, hand generator in existing power-supply device
Etc. unstable power-supply device, steam-electric power plant is since solar illuminating is unstable or hand generator is in rotary speed unstabilization timing
It is be easy to cause unstable power supply, the electrical equipment that some need stable power-supplying is not met and uses, to limit unstable power supply
The usage degree of equipment.Therefore, the power demand under various environmental conditions, and reduction solar power generation are set in order to meet
The unstable power-supply device such as standby, hand generator uses difficulty, needs to carry out voltage stabilizing to the power supply that unstable power-supply device exports
Processing, to ensure the stability of power supply.
Invention content
The main object of the present invention is to provide a kind of DC power converter that voltage stabilizing can be carried out to unstable power supply.
It is a further object of the present invention to provide a kind of DC power converters carrying out adaptive voltage stabilizing to unstable power supply
Working method.
In order to realize that above-mentioned main purpose, DC power converter provided by the invention include governor circuit, power input
Circuit, regulator circuit, voltage commutation circuit and voltage output end, power supply input circuit is to governor circuit, regulator circuit and voltage
Switching circuit provides power supply；Governor circuit obtains the input voltage of power supply input circuit, and governor circuit is according to input voltage to steady
Volt circuit sends control signal, and regulator circuit exports voltage of voltage regulation, voltage switching electricity according to control signal to voltage commutation circuit
Road switches the output voltage of voltage output end output.
By said program as it can be seen that the DC power converter of the present invention obtains the defeated of power supply input circuit by governor circuit
Enter voltage number, according to input voltage to regulator circuit send control signal, control regulator circuit to input voltage carry out boosting or
Reduction regulation, to make the output of power supply stablize in rated value, ensure power supply stablizes output.
In further embodiment, regulator circuit includes booster circuit and reduction voltage circuit, booster circuit respectively with governor circuit
It is electrically connected with power supply input circuit, the output end of booster circuit is electrically connected with the input terminal of reduction voltage circuit, the output of reduction voltage circuit
End is electrically connected with governor circuit and voltage commutation circuit respectively.
It can be seen that regulator circuit includes booster circuit and reduction voltage circuit, input voltage is risen by booster circuit
Pressure adjusts and carries out reduction regulation to input voltage by reduction voltage circuit, to make unstable power input be converted into stablizing
Voltage.
In further embodiment, voltage commutation circuit includes switching switch element and multichannel bleeder circuit, multichannel partial pressure electricity
Road is electrically connected with switching switch element respectively, and the output end for switching switch element is electrically connected with voltage output end.
It can be seen that the voltage of regulator circuit output is stable voltage value, switch element switching point is switched by setting
The use of volt circuit so that the voltage of the exportable different amplitudes of DC power converter, to meet the confession to a variety of electrical equipments
Electricity demanding.
In further embodiment, DC power converter further includes display circuit, and display circuit is electrically connected with governor circuit.
It can be seen that knowing the voltage currently exported for the ease of user, carrying out voltage using display circuit shows, is convenient for
User carries out the switching of voltage.
In further embodiment, power supply input circuit is provided with voltage-stablizer and filter circuit, voltage-stablizer and filter circuit electricity
Connection.
It can be seen that by setting voltage-stablizer and filter circuit, the DC power voltage stabilizing of external world's input is turned at DC power supply
The startup voltage that each electronic component needs in parallel operation, makes DC power converter that can work normally.
In order to realize that above-mentioned another object, the working method of DC power converter provided by the invention include：Obtain electricity
The input voltage of source input circuit；When input voltage is greater than or equal to predeterminated voltage, input voltage prefixed time interval is obtained
Voltage change；When voltage change be timing, judge reduction voltage circuit decompression adjustable factors whether be less than maximum preset
The reduction regulation factor, if so, increasing decompression adjustable factors and sending control signal to regulator circuit；If the drop of reduction voltage circuit
It presses adjustable factors to be greater than or equal to maximum preset reduction regulation because of the period of the day from 11 p.m. to 1 a.m, then judges that the boosting adjustable factors of booster circuit are
It is no to be less than maximum preset boosting regulatory factor, if so, increasing boosting adjustable factors and sending control signal to regulator circuit.
By said program as it can be seen that the working method of the DC power converter of the present invention is judging that current input voltage is big
When predeterminated voltage, starts regulator circuit and voltage stabilizing operation is carried out to input voltage, real-time adaptive adjusts output voltage, makes output
Voltage stabilization is in rated value.
In further embodiment, after the input voltage for obtaining power supply input circuit, the working method of DC power converter
Further include：When input voltage is less than predeterminated voltage, it is minimum default to judge whether the boosting adjustable factors of booster circuit are more than
Boost regulatory factor, if so, reducing boosting adjustable factors and sending control signal to regulator circuit；If the liter of booster circuit
Press adjustable factors to be less than or equal to minimum default boosting regulatory factor, then judge reduction voltage circuit decompression adjustable factors whether
More than the minimum reduction regulation factor, if so, reducing decompression adjustable factors and sending control signal to regulator circuit.
It can be seen that input voltage be less than predeterminated voltage when, by regulator circuit boosting adjustable factors and decompression
Adjustable factors are reduced to minimum, can utilize the unstable power supply of input to greatest extent, adjust output voltage and input in real time
Voltage matches improve voltage stabilizing efficiency.
In further embodiment, increasing the step of being depressured adjustable factors includes：It is adjustable to being depressured with the first predetermined amplitude
The section factor is incrementally increased.
In further embodiment, increasing the step of boosting adjustable factors includes：It is adjustable to boosting with the second predetermined amplitude
The section factor is incrementally increased.
It follows that being incrementally increased to decompression adjustable factors with the first predetermined amplitude, with the second predetermined amplitude pair
Boosting adjustable factors are incrementally increased, and the accuracy of boost or depressurization can be made to improve.
Description of the drawings
Fig. 1 is the circuit structure block diagram of DC power converter embodiment of the present invention.
Fig. 2 is the circuit diagram of regulator circuit in DC power converter embodiment of the present invention.
Fig. 3 is the circuit diagram of voltage commutation circuit in DC power converter embodiment of the present invention.
Fig. 4 is the circuit diagram of display circuit in DC power converter embodiment of the present invention.
Fig. 5 is the circuit diagram of power supply input circuit in DC power converter embodiment of the present invention.
Fig. 6 is the flow chart of the working method embodiment of DC power converter of the present invention.
Fig. 7 be DC power converter of the present invention working method embodiment in voltage stabilizing step in real time flow chart.
Fig. 8 be DC power converter of the present invention working method embodiment in voltage stabilizing carry effect step flow chart.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific implementation mode
As shown in Figure 1, the DC power converter of the present invention includes governor circuit 1, power supply input circuit 2, regulator circuit
3, voltage commutation circuit 4, voltage output end 5 and display circuit 6, power supply input circuit 2 to governor circuit 1, regulator circuit 3, electricity
Switching circuit 4 and display circuit 6 is pressed to provide power supply.Governor circuit 1 obtains the input voltage of power supply input circuit 2, governor circuit 1
Control signal is sent to regulator circuit 3 according to input voltage, regulator circuit 3 is exported according to control signal to voltage commutation circuit 4
Voltage of voltage regulation, voltage commutation circuit 4 switch the output voltage that voltage output end 5 exports.Display circuit 6 is electrically connected with governor circuit 1
It connects.
Referring to Fig. 2, regulator circuit 3 includes booster circuit 31 and reduction voltage circuit 32, booster circuit 31 respectively with governor circuit 1
It is electrically connected with power supply input circuit 2, the output end of booster circuit 31 is electrically connected with the input terminal of reduction voltage circuit 32, reduction voltage circuit 32
Output end be electrically connected respectively with governor circuit 1 and voltage commutation circuit 4.In the present embodiment, booster circuit 31 includes HM6299
The boost chip of model, reduction voltage circuit 32 include the decompression chip of HM3102 models.
Referring to Fig. 3, voltage commutation circuit 4 includes switching switch element S1 and multichannel bleeder circuit 41, multichannel bleeder circuit
41 are electrically connected with switching switch element S1 respectively, and the output end of switching switch element S1 is electrically connected with voltage output end 5.This implementation
In example, switching switch element S1 is knob change-over switch, and switching switch element S1 passes through terminal 42 and terminal 43 and reduction voltage circuit
32 electrical connections, bleeder circuit 41 include resistance R1 and resistance R2, resistance R1 and resistance R2 in parallel resistance value can as needed into
Row setting, by switching uses of the switch element S1 by switching bleeder circuit 41, to obtain the output of different voltages.
Referring to Fig. 4, display circuit 6 includes driving chip U1 and charactron DIG, and driving chip U1 obtains governor circuit 1
Drive signal, driving chip U1 send to charactron DIG according to drive signal and show information, and charactron DIG can show current defeated
Go out the amplitude of voltage.Preferably, driving chip U1 is the driving chip of SN74HC595N models.
Referring to Fig. 5, power supply input circuit 2 is provided with voltage-stablizer U2 and filter circuit 21, and the input terminal of voltage-stablizer U2 passes through
Terminal 22 is electrically connected with extraneous input power, and the output end of voltage-stablizer U2 is electrically connected with filter circuit 21, and power supply input circuit 2 is logical
It crosses terminal 23 and provides power supply to 1 regulator circuit 3 of governor circuit and display circuit 6.Wherein, filter circuit 21 includes capacitance in parallel
C1 and capacitance C2.Power supply input circuit 2 is provided with voltage-stablizer U2 and filter circuit 21, can be to the inside electricity of DC power converter
Road provides driving voltage, ensures the normal work of each circuit module.
In order to be described in more detail to DC power converter of the present invention, below to the work of DC power converter of the present invention
It is described as method, the working method of DC power converter of the present invention is applied in 1 Computer program of governor circuit.
As shown in fig. 6, when being worked, step S1 is first carried out in the DC power converter of the present invention, power supply is obtained
The input voltage of input circuit 2.Judge for the ease of the size to input voltage, and convenient for being monitored to voltage,
When carrying out voltage stabilizing work, need to acquisition of information be carried out to input voltage first, analyze the amplitude size of input voltage.
After obtaining input voltage, step S2 is executed, judges whether input voltage is greater than or equal to predeterminated voltage.In extraneous electricity
When DC power converter is accessed in source, there are the processes that voltage rises, at this point, there is electric energy deficiency, can not make direct current
Power supply changeover device is normally worked, and is unfavorable for regulator circuit 3 and is carried out voltage stabilizing operation to input voltage.Therefore, it is necessary to input
When voltage reaches certain voltage value, voltage stabilizing operation just is carried out to input voltage, to improve the stability of voltage stabilizing.
When judging that input voltage is greater than or equal to predeterminated voltage, step S3 is executed, real-time voltage stabilizing regulating step is executed, it is right
Input voltage is adjusted in real time, and voltage stabilization is made to export.When determining that input voltage is less than predeterminated voltage, executes voltage stabilizing and put forward effect
Step S4 carries out voltage stabilizing to the voltage of input and puies forward effect, and accelerating potential reaches preset voltage value.
Referring to Fig. 7, when executing step S3, step S31 is first carried out, obtains the voltage of input voltage prefixed time interval
Changing value.Wherein, voltage change is in prefixed time interval, and the input voltage of latter time subtracts the input electricity of previous time
The value of pressure.In order to judge whether input voltage is more than that preset voltage value needs to carry out voltage stabilizing adjusting to input voltage to defeated
The voltage change for entering voltage is monitored in real time.Prefixed time interval can be configured by developer, in order to ensure steady
The real-time of pressure, can be by the as small as possible of prefixed time interval setting, for example, prefixed time interval is set as 20 microseconds.
After the voltage change for obtaining input voltage prefixed time interval, step S32 is executed, whether judges voltage change
For just, the positive and negative of voltage change represents being raised and lowered for input voltage.When judging that voltage change for timing, then illustrates defeated
Enter voltage and be in raised state, then follow the steps S33, it is maximum pre- to judge whether the decompression adjustable factors of reduction voltage circuit are less than
If the reduction regulation factor.Since the decompression chip in reduction voltage circuit 32 has specific reduction regulation section, reduction regulation section
It can be controlled to adjust by governor circuit 1, by being depressured the judgement of adjustable factors, can determine whether to need reduction voltage circuit 32
Carry out reduction regulation.Therefore, it when judging voltage change for timing, needs to carry out reduction regulation, when judging that voltage change is
When negative, then reduction regulation need not be carried out, step S31 need to be re-executed, the voltage for obtaining input voltage prefixed time interval becomes
Change value.
When decompression adjustable factors are less than maximum preset reduction regulation because of the period of the day from 11 p.m. to 1 a.m, execution step S34 increases reduction voltage circuit 32
Decompression adjustable factors and to regulator circuit 3 send control signal.When voltage change be just and decompression adjustable factors it is small
In maximum preset reduction regulation because of the period of the day from 11 p.m. to 1 a.m, then it is assumed that voltage is higher, needs to further increase decompression adjustable factors, keeps decompression electric
Road 32 increases the decompression to input voltage.Increasing the step of being depressured adjustable factors includes：It can to decompression with the first predetermined amplitude
Regulatory factor is incrementally increased.Decompression adjustable factors are incrementally increased with the first predetermined amplitude, the standard of decompression can be made
True property improves, wherein the first predetermined amplitude can be obtained by experiment.It needs to send to regulator circuit 3 after increasing decompression adjustable factors
Signal is controlled, is adjusted to control reduction voltage circuit 32.
It is greater than or equal to maximum preset reduction regulation because of the period of the day from 11 p.m. to 1 a.m when being depressured adjustable factors, thens follow the steps S35, judge to rise
Whether the boosting adjustable factors of volt circuit 31 are less than maximum preset boosting regulatory factor.When judgement decompression adjustable factors are more than
Or equal to maximum preset reduction regulation because of the period of the day from 11 p.m. to 1 a.m, then it is assumed that need to carry out judging whether that boosting is needed to handle to input voltage.By
There is specific boosting to adjust section for boost chip in booster circuit 31, boosting adjust section can by governor circuit 1 into
Row controls to adjust, and by the judgement for the adjustable factors that boost, can determine whether that booster circuit 31 is needed to carry out reduction regulation.
When judging that the boosting adjustable factors of booster circuit are less than maximum preset boosting regulatory factor, then follow the steps
S36 increases boosting adjustable factors and sends control signal to regulator circuit 3.When judge the boosting of booster circuit it is adjustable because
When son is less than maximum preset boosting regulatory factor, then it is assumed that voltage is relatively low, needs to further increase boosting adjustable factors, makes liter
Volt circuit 31 increases the boosting to input voltage.Increasing the step of boosting adjustable factors includes：With the second predetermined amplitude to rising
Pressure adjustable factors are incrementally increased.Boosting adjustable factors are incrementally increased with the second predetermined amplitude, boosting can be made
Accuracy improve, wherein the second predetermined amplitude can by experiment obtain.It is needed to regulator circuit 3 after increasing boosting adjustable factors
Control signal is sent, is adjusted to control booster circuit 31.
Referring to Fig. 8, effect step S4 is carried executing voltage stabilizing, step S41 is first carried out, judges that the boosting of booster circuit is adjustable
Whether the factor is more than minimum default boosting regulatory factor.Input voltage is less than predeterminated voltage, then input voltage rises also in initial
The state of pressure needs to carry out adjusting appropriate to booster circuit 31 and reduction voltage circuit 32 at this time, reduces the loss of electric energy, to most
The unstable power supply using input of limits, makes voltage fast and stable, improves voltage stabilizing efficiency.Therefore, judging input voltage
When less than predeterminated voltage, first determine whether the boosting adjustable factors of booster circuit 31 whether be more than minimum default boosting adjust because
Son.If the boosting adjustable factors of booster circuit 31 are more than minimum default boosting regulatory factor, S42 is thened follow the steps, reduces and rises
It presses adjustable factors and sends control signal to regulator circuit 3.It needs to send control to regulator circuit 3 after reducing boosting adjustable factors
Signal processed is adjusted to control booster circuit 31.Reducing boosting adjustable factors can make booster circuit 31 be in low-power consumption
State reduces the loss to electric energy.
When judging that the boosting adjustable factors of booster circuit 31 are less than or equal to minimum default boosting regulatory factor, execute
Step S43, judges whether the decompression adjustable factors of reduction voltage circuit 32 are more than the minimum reduction regulation factor.When judging reduction voltage circuit
32 decompression adjustable factors are less than or equal to minimum reduction regulation because of the period of the day from 11 p.m. to 1 a.m, then it is assumed that reduction voltage circuit 32 is in low-power consumption shape
State no longer needs to that decompression adjustable factors are adjusted.When judging that the decompression adjustable factors of reduction voltage circuit 32 are more than minimum drop
When pressing regulatory factor, step S44 is executed, reduce decompression adjustable factors and sends control signal to regulator circuit 3.Reduce decompression
It needs to send control signal to regulator circuit 3 after adjustable factors, be adjusted to control reduction voltage circuit 32.It is adjustable to reduce decompression
The section factor can make reduction voltage circuit 32 be in low power consumpting state, reduce the loss to electric energy.
It can be seen from the above, DC power converter of the present invention obtains the input voltage of power supply input circuit by governor circuit
Number, control signal is sent to regulator circuit according to input voltage, control regulator circuit carries out boost or depressurization tune to input voltage
Section, to make the output of power supply stablize in rated value, ensure power supply stablizes output.In addition, the work of DC power converter
Method starts regulator circuit and carries out voltage stabilizing operation to input voltage when judging that current input voltage is more than predeterminated voltage, real
When adjust output voltage, make output voltage stabilization in rated value.
It should be noted that these are only the preferred embodiment of the present invention, but the design concept invented is not limited thereto,
All insubstantial modifications made to the present invention using this design, are also each fallen within protection scope of the present invention.
Claims (9)
1. a kind of DC power converter, which is characterized in that cut including governor circuit, power supply input circuit, regulator circuit, voltage
Circuit and voltage output end are changed, the power supply input circuit switches to the governor circuit, the regulator circuit and the voltage
Circuit provides power supply；
The governor circuit obtains the input voltage of the power supply input circuit, the governor circuit according to the input voltage to
The regulator circuit sends control signal, and the regulator circuit exports according to the control signal to the voltage commutation circuit steady
Piezoelectricity pressure, the voltage commutation circuit switch the output voltage of the voltage output end output.
2. DC power converter according to claim 1, which is characterized in that
The regulator circuit includes booster circuit and reduction voltage circuit, and the booster circuit is defeated with the governor circuit and power supply respectively
Enter circuit electrical connection, the output end of the booster circuit is electrically connected with the input terminal of the reduction voltage circuit, the reduction voltage circuit
Output end is electrically connected with the governor circuit and the voltage commutation circuit respectively.
3. DC power converter according to claim 1, which is characterized in that
The voltage commutation circuit includes switching switch element and multichannel bleeder circuit, bleeder circuit described in multichannel respectively with it is described
Switch switch element electrical connection, the output end of the switching switch element is electrically connected with the voltage output end.
4. DC power converter according to any one of claims 1 to 3, which is characterized in that further include
Display circuit, the display circuit are electrically connected with the governor circuit.
5. DC power converter according to any one of claims 1 to 3, which is characterized in that
The power supply input circuit is provided with voltage-stablizer and filter circuit, and the voltage-stablizer is electrically connected with the filter circuit.
6. a kind of working method of DC power converter is applied to claim 2 to 5 any one of them DC power supply and converts
In the governor circuit of device, which is characterized in that the method includes：
Obtain the input voltage of the power supply input circuit；
When the input voltage is greater than or equal to predeterminated voltage, the voltage change of the input voltage prefixed time interval is obtained
Value；
When the voltage change be timing, judge the reduction voltage circuit decompression adjustable factors whether be less than maximum preset drop
Regulatory factor is pressed, if so, increasing the decompression adjustable factors and sending the control signal to the regulator circuit；
If the decompression adjustable factors of the reduction voltage circuit are greater than or equal to the maximum preset reduction regulation because of the period of the day from 11 p.m. to 1 a.m,
Judge whether the boosting adjustable factors of the booster circuit are less than maximum preset boosting regulatory factor, if so, described in increasing
Boosting adjustable factors simultaneously send the control signal to the regulator circuit.
7. the working method of DC power converter according to claim 6, which is characterized in that described to obtain the power supply
After the input voltage of input circuit, the method further includes：
When the input voltage be less than the predeterminated voltage when, judge the booster circuit the boosting adjustable factors whether
More than the default boosting regulatory factor of minimum, if so, reducing the boosting adjustable factors and sending institute to the regulator circuit
State control signal；
If the boosting adjustable factors of the booster circuit are less than or equal to the minimum default boosting regulatory factor, sentence
Whether the decompression adjustable factors of the disconnected reduction voltage circuit are more than the minimum default reduction regulation factor, if so, reducing the drop
It presses adjustable factors and sends the control signal to the regulator circuit.
8. the working method of the DC power converter described according to claim 6 or 7, which is characterized in that
The step of increase decompression adjustable factors includes：With the first predetermined amplitude to the decompression adjustable factors carry out by
Step increases.
9. the working method of the DC power converter described according to claim 6 or 7, which is characterized in that
The step of increase boosting adjustable factors includes：With the second predetermined amplitude to the boosting adjustable factors carry out by
Step increases.
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| CN201810468600.9A CN108400707B (en) | 2018-05-16 | 2018-05-16 | DC power supply converter and working method thereof |
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| CN105584371A (en) * | 2014-10-18 | 2016-05-18 | 杨利 | Car power supply system with pressure-boosting function |
| TWI554012B (en) * | 2015-09-30 | 2016-10-11 | 光寶電子（廣州）有限公司 | Hybrid power convertor and control method thereof |
| CN208386416U (en) * | 2018-05-16 | 2019-01-15 | 珠海市三森电子科技有限公司 | A kind of DC power converter |
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