CN110224615A - Intelligent silicon controlled rectifier voltage conversion circuit - Google Patents
Intelligent silicon controlled rectifier voltage conversion circuit Download PDFInfo
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- CN110224615A CN110224615A CN201910539122.0A CN201910539122A CN110224615A CN 110224615 A CN110224615 A CN 110224615A CN 201910539122 A CN201910539122 A CN 201910539122A CN 110224615 A CN110224615 A CN 110224615A
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 163
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 163
- 239000010703 silicon Substances 0.000 title claims abstract description 163
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 37
- 230000005611 electricity Effects 0.000 claims abstract description 70
- 230000006837 decompression Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 31
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
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- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010064063 CHARGE syndrome Diseases 0.000 description 1
- 102100038215 Chromodomain-helicase-DNA-binding protein 7 Human genes 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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- 235000008434 ginseng Nutrition 0.000 description 1
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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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
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Abstract
The invention discloses a kind of intelligent silicon controlled rectifier voltage conversion circuits, including first silicon-controlled, the first exchange output driving circuit and governor circuit, described first silicon-controlled one end is connect with AC input, and the described first silicon-controlled other end is connect with the first alternating current output end；The governor circuit drives the described first silicon-controlled conducting by the straight-through output of input AC electricity for controlling the first exchange output driving circuit, to export the first alternating current；Alternatively, the described first silicon-controlled alternate conduction and cut-off is driven for controlling the first exchange output driving circuit, by input AC electricity reduced output voltage, to export the first alternating current；Such as it will input as 220V alternating current by being converted into 110V alternating current after the first silicon-controlled decompression；Or it will input as 110V alternating current through the first silicon-controlled direct output to adapt to the power supplys such as Europe rule, U.S. rule.Integrated circuit is relatively easy, and manufacturing cost is low, can adjustment output voltage values.
Description
Technical field
The present invention relates to power technique fields more particularly to a kind of intelligent silicon controlled rectifier voltage conversion circuits.
Background technique
Voltage conversion circuit refers to the partial circuit for being supplied to electrical equipment power supply power supply, mainly there is exchange conversion electricity
Road and DC converting circuit.Since the voltage of different regions and country variant power supply may be different, and same electrical equipment
Voltage rating be it is identical, therefore, which cannot be typically necessary logical directly using being connected on country variant power supply
Overvoltage conversion equipment is converted.
Current exchange electrical switching device mainly by the way that input AC electricity is converted into direct current, then direct current is dropped
Direct current after decompression is converted into another fixed supply voltage later by pressure, such as will input 220V alternating current by system
After the conversion of column, it is converted into 110V alternating current, to adapt to the power supplys such as Europe rule, U.S. rule.For this power supply change-over device, whole electricity
Road is relative complex, and manufacturing cost is high, and output alternating current is fixed voltage value, can not carry out intelligent voltage output.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of intelligent silicon controlled rectifier voltage conversion circuit.
To achieve the above object, intelligent silicon controlled rectifier voltage conversion circuit according to an embodiment of the present invention, the intelligence are controllable
Silicon voltage conversion circuit includes:
First is silicon-controlled, and described first silicon-controlled one end is connect with AC input, and described first is silicon-controlled another
One end is connect with the first alternating current output end；
First exchange output driving circuit, the first exchange output driving circuit and the described first silicon-controlled controlled end
Connection；
Governor circuit, the governor circuit is connect with the first exchange output driving circuit, for controlling described first
Exchange output driving circuit drives the described first silicon-controlled conducting by the straight-through output of input AC electricity, with the first exchange of output
Electricity；Alternatively, the described first silicon-controlled alternate conduction and cut-off is driven for controlling the first exchange output driving circuit, it will
Input AC electricity reduced output voltage, to export the first alternating current.
Further, according to one embodiment of present invention, the first exchange output driving circuit includes:
First straight-through output driving circuit, the first straight-through output driving circuit respectively with described first it is silicon-controlled by
End and governor circuit connection are controlled, for driving first controlled silicon conducting under the control of the governor circuit, by institute
Input AC is stated directly to export；
First reduced output voltage driving circuit, the first reduced output voltage driving circuit respectively with described first it is silicon-controlled by
Control end and the governor circuit connection, for driven under the control of the governor circuit the described first silicon-controlled alternate conduction and
Cut-off, by the input AC reduced output voltage.
Further, according to one embodiment of present invention, the first reduced output voltage driving circuit includes:
Triode Q11, the triode Q11 base stage connect with the governor circuit, the emitter of the triode Q11
It is connect with the first reference；
Optocoupler U5, the diode cathode of the optocoupler U5 are connect with the collector of the triode Q11, the optocoupler U5's
Diode anode is connect with the first DC auxiliary supply+10V, the first output end of the optocoupler U5 and one end of input AC electricity
N connection；
Resistance R17, one end of the resistance R17 are connect with the second output terminal of the optocoupler U5；
Capacitor C10, one end of the capacitor C10 are connect with the other end of the resistance R17, and the capacitor C10's is another
End is connect with the other end L of input AC electricity；
Diac DB1, one end of the diac DB1 is connect with described one end of the capacitor C10, described
The other end of diac DB1 is connect with the described first silicon-controlled controlled end.
Further, according to one embodiment of present invention, the described first straight-through output driving circuit includes:
Triode Q13, the base stage of the triode Q13 are connect with the governor circuit, the emitter of the triode Q13
It is connect with the first reference；
Optocoupler U3, the diode cathode of the optocoupler U3 are connect with the collector of the triode Q13, the optocoupler U3's
Diode anode is connect with the first DC auxiliary supply+10V, the transistor collector of the optocoupler U3 and the second direct current auxiliary electricity
The transistor emitter of source+12V connection, the optocoupler U3 is connect with one end of resistance R57, the other end of the resistance R57 with
One end of the resistance R58 connects, and the other end of the resistance R58 is connect with the second reference；
Triode Q14, the base stage of the triode Q14 are connect with described one end of the resistance R58, the triode
The emitter of Q14 is connect with second reference, and the collector of the triode Q14 can by resistance R17 and described first
Control the controlled end connection of silicon.
Further, according to one embodiment of present invention, the intelligent silicon controlled rectifier voltage conversion circuit further include:
Ac-dc converter circuit, the ac-dc converter circuit include current rectifying and wave filtering circuit, the current rectifying and wave filtering circuit with
The input AC electrical connection, for the input AC electricity to be converted into the first high voltage direct current；
Input voltage detection circuit, the input voltage detection circuit respectively with the current rectifying and wave filtering circuit and governor circuit
Connection, for carrying out voltage detecting to first high voltage direct current, the governor circuit is according to input voltage value, described in control
First straight-through output driving circuit driving described first is silicon-controlled directly to export the input AC electricity；Alternatively, described in control
First reduced output voltage driving circuit driving described first is silicon-controlled by the input AC electricity reduced output voltage.
Further, according to one embodiment of present invention, the intelligent silicon controlled rectifier voltage conversion circuit further include:
Second is silicon-controlled, and described second silicon-controlled one end is connect with AC input, and described second is silicon-controlled another
One end is connect with the second alternating current output end；
Second exchange output driving circuit, it is described second exchange output driving circuit respectively with described second it is silicon-controlled by
It controls end and governor circuit connection hands over input for driving the second silicon-controlled conducting under governor circuit control
The straight-through output of galvanic electricity, to export the second alternating current.
Further, according to one embodiment of present invention, the intelligent silicon controlled rectifier voltage conversion circuit further include:
USB circuit；
The ac-dc converter circuit further includes DC converting circuit, and the DC converting circuit is filtered with the rectification respectively
Wave circuit and USB circuit connection, for first high voltage direct current to be converted into the first low-voltage DC.
Further, according to one embodiment of present invention, the intelligent silicon controlled rectifier voltage conversion circuit further includes first
Overload detection circuit, first overload detection circuit are silicon-controlled and governor circuit is connect with described first respectively.
It further, according to one embodiment of present invention, further include the second overload detection circuit, the second overload inspection
Slowdown monitoring circuit is silicon-controlled and governor circuit is connect with described second respectively.
Further, according to one embodiment of present invention, further include temperature sensing circuit, the temperature sensing circuit with
The governor circuit connection.
Further, according to one embodiment of present invention, further include fan control circuitry, the fan control circuitry with
The governor circuit connection, for controlling the velocity of rotation of fan according to temperature detection value.
Intelligence silicon controlled rectifier voltage conversion circuit provided in an embodiment of the present invention, passes through first silicon-controlled one end and alternating current
Input terminal connection, the described first silicon-controlled other end are connect with the first alternating current output end；First exchange output driving circuit
It is connect with the described first silicon-controlled controlled end；Governor circuit is connect with the first exchange output driving circuit, described in control
First exchange output driving circuit drives the described first silicon-controlled conducting by the straight-through output of input AC electricity, is handed over output first
Galvanic electricity；Alternatively, control the first exchange output driving circuit drives the described first silicon-controlled alternate conduction and cut-off, it will be defeated
Enter alternating current reduced output voltage, to export the first alternating current.Such as will input as 220V alternating current by after the first silicon-controlled decompression,
It is converted into 110V alternating current；Or it will input as 110V alternating current through the first silicon-controlled direct output to adapt to Europe rule, U.S. rule etc.
Power supply.Integrated circuit is relatively easy, and manufacturing cost is low, can adjustment output voltage values.
Detailed description of the invention
Fig. 1 is intelligent silicon controlled rectifier voltage converting circuit structure block diagram provided in an embodiment of the present invention；
Fig. 2 is another intelligent silicon controlled rectifier voltage converting circuit structure block diagram provided in an embodiment of the present invention；
Fig. 3 is another intelligent silicon controlled rectifier voltage converting circuit structure block diagram provided in an embodiment of the present invention；
Fig. 4 is another intelligent silicon controlled rectifier voltage converting circuit structure block diagram provided in an embodiment of the present invention；
Fig. 5 is ac input circuit provided in an embodiment of the present invention, first silicon-controlled, the first exchange output circuit, first
Exchange output driving circuit, second silicon-controlled, the second exchange output circuit, the second exchange output driving circuit and the second overload inspection
Slowdown monitoring circuit structural schematic diagram；
Fig. 6 is the circuit of governor circuit provided in an embodiment of the present invention, input voltage detection circuit and excess temperature detection circuit
Structural schematic diagram；
Fig. 7 is ac-dc converter circuit structural schematic diagram provided in an embodiment of the present invention；
Fig. 8 is auxiliary power circuit structural schematic diagram provided in an embodiment of the present invention；
Fig. 9 is condition indication circuit structural schematic diagram provided in an embodiment of the present invention；
Figure 10 is USB circuit structural schematic diagram provided in an embodiment of the present invention.
Appended drawing reference:
Ac input circuit 10；
First silicon-controlled 20；
First exchange output circuit 30；
Second silicon-controlled 40；
Second exchange output circuit 50；
First exchange output driving circuit 60；
First reduced output voltage driving circuit 601；
First straight-through output driving circuit 602；
Second exchange output driving circuit 70；
Governor circuit 80；
Ac-dc converter circuit 90；
Current rectifying and wave filtering circuit 901；
DC converting circuit 902；
Second overload detection circuit 11；
Input voltage detection circuit 12；
Fan control circuitry 13；
Condition indication circuit 14；
Auxiliary power circuit 15；
USB circuit 16；
Temperature sensing circuit 17；
First overload detection circuit 18.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Unless otherwise defined, used herein
All technical and scientific terms have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.Herein
Used term, which is only for the purpose of describing specific embodiments, in the description of the invention is not intended to limit this
Invention.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Refering to fig. 1, the embodiment of the present invention provides a kind of intelligent silicon controlled rectifier voltage conversion circuit, comprising: first silicon-controlled 20,
First exchange output driving circuit 60 and governor circuit 80, first silicon-controlled 20 one end is connect with AC input, to connect
Enter alternating current, alternating current can be alternating current.Such as the input AC electricity of 220V input AC electricity or 110V.First silicon-controlled 20 it is another
One end is connect with the first alternating current output end；By first silicon-controlled 20, output control is carried out to output alternating current.
First exchange output driving circuit 60 is connect with first silicon-controlled 20 controlled end；Pass through the first exchange output
Driving circuit 60 drives to described first silicon-controlled 20, drives first silicon-controlled 20 on or off, with control
The exchange electricity output of first silicon-controlled 20 output end.
The governor circuit 80 is connect with the first exchange output driving circuit 60, defeated for controlling first exchange
Driving circuit 60 drives described first silicon-controlled 20 conducting that input AC electricity is led directly to output out, to export the first alternating current；
In some applications it may be desirable to which input AC electricity is directly exported.For example, needing will be defeated when input AC electricity is 110V
The 110V alternating current entered directly exports.Control signal is exported by governor circuit 80, control signal is driven by the first exchange output
Silicon-controlled 20 conducting of the dynamic driving of circuit 60 first.At this point, first silicon-controlled 20 is in constantly on state, it can be by the 110V of input
Alternating current directly exports.It is, be 110V at this point, the voltage of the first alternating current is identical as the voltage of input AC, it is defeated
Enter alternating current and passes through the first silicon-controlled 20 directly output.
Alternatively, the alternate conduction and cut-off that drive first silicon-controlled 20 for controlling the first exchange output driving circuit 60,
By input AC electricity reduced output voltage, to export the first alternating current.In some applications it may be desirable to input AC electricity is depressured defeated
Out.For example, when input AC electricity is 220V, the 220V alternating current reduced output voltage that needs to input.It is defeated by governor circuit 80
Signal is controlled out, the alternate conduction and cut that control signal exchanges the driving of output driving circuit 60 first silicon-controlled 20 by first
Only.At this point, the first silicon-controlled 20 alternating state for being on and ending, it can be by each period of the 220V alternating current of input
Waveform chops output off.For example, chopping the waveform in each period of 220V alternating current off half output.It is, at this point, first hands over
The voltage of galvanic electricity is the half of the voltage of input AC, and input AC piezoelectric voltage is 220V, the first alternating current voltage of output
For 110V.Input AC electricity after the first silicon-controlled 20 decompression by exporting.
Intelligence silicon controlled rectifier voltage conversion circuit provided in an embodiment of the present invention, one end by first silicon-controlled 20 with exchange
Electrical input connection, first silicon-controlled 20 other end are connect with the first alternating current output end；First exchange output driving circuit
60 connect with first silicon-controlled 20 controlled end；Governor circuit 80 is connect with the first exchange output driving circuit 60, control first
Exchanging output driving circuit 60 drives first silicon-controlled 20 conducting that input AC electricity is led directly to output, with the first exchange of output
Electricity；Alternatively, control the first exchange output driving circuit 60 drives first silicon-controlled 20 alternate conduction and cut-off, by input AC
Electric reduced output voltage, to export the first alternating current.Such as will input for 220V alternating current by first it is silicon-controlled 20 decompression after, conversion
At 110V alternating current；Or it will input as 110V alternating current through the first silicon-controlled 20 directly output to adapt to the electricity such as Europe rule, U.S. rule
Source.Integrated circuit is relatively easy, and manufacturing cost is low, can adjustment output voltage values.
Referring to Fig.2, the first exchange output driving circuit 60 includes: the first straight-through output driving circuit 602 and the first decompression
Output driving circuit 601, the first straight-through output driving circuit 602 controlled end and governor circuit 80 with first silicon-controlled 20 respectively
Connection directly exports input AC for silicon-controlled 20 conducting of driving first under the control of governor circuit 80；First decompression
Output driving circuit 601 is connect with first silicon-controlled 20 controlled end and governor circuit 80 respectively, in governor circuit 80
Lower the first silicon-controlled 20 alternate conduction of driving of control and cut-off, by input AC reduced output voltage.
Specifically, in embodiments of the present invention, the first silicon-controlled 20 output is driven by two parts driving circuit respectively
First alternating current.Wherein, the first straight-through output driving circuit 602 is for driving first silicon-controlled 20 directly the first exchange of output
Electricity；First reduced output voltage driving circuit is for driving first silicon-controlled the first alternating current of 20 reduced output voltage.It is led directly to by first defeated
Driving circuit 602 and the first reduced output voltage driving circuit 601 can control respectively the straight-through of input AC electricity according to application out
Or reduced output voltage, to meet application requirement.For example, the first straight-through output driving electricity can be passed through when input AC electricity is 110V
The driving of road 602 first silicon-controlled 20 directly exports 110V；When input AC electricity is 220V, can be driven by the first reduced output voltage
110V voltage is exported after silicon-controlled 20 decompression of the dynamic driving of circuit 601 first.
Refering to Fig. 5, the first reduced output voltage driving circuit 601 includes: triode Q11, optocoupler U5, resistance R17, capacitor C10
It is connect with the base stage of diac DB1, triode Q11 with governor circuit 80, the emitter of triode Q11 and first is with reference to ground
Connection；The diode cathode of optocoupler U5 is connect with the collector of triode Q11, and the diode anode of optocoupler U5 and the first direct current are auxiliary
Power supply+10V connection is helped, the first output end of optocoupler U5 is connect with one end N of input AC electricity；One end of resistance R17 and optocoupler
The second output terminal of U5 connects；One end of capacitor C10 is connect with the other end of resistance R17, and the other end of capacitor C10 and input are handed over
The other end L connection of galvanic electricity；One end of diac DB1 is connect with one end of capacitor C10, and diac DB1's is another
End is connect with first silicon-controlled 20 controlled end.
Specifically, the working principle of the first reduced output voltage driving circuit 601 specifically: when needing to control first silicon-controlled 20
When conducting, governor circuit 80 exports high level by control signal P1, and triode Q11 is connected in high level signal, at this point, light
Coupling U5 starts to work, and optocoupler U5 and the connecting pin of resistance R17 are begun to turn on, and capacitor C10 is started to charge by resistance R17, is being set
Determine in the charging time, when capacitor C10 is charged to certain voltage value, capacitor C10 voltage triggered diac DB1 conducting, touching
After sending out diode DB1 conducting, conducting voltage is loaded into the controlled end of the first silicon-controlled (20) Q8, and the first silicon-controlled (20) Q8 is led
It is logical.By adjusting the resistance value of resistance R17, the charging time of adjustable capacitance C10, thus adjustable first silicon-controlled 20
Turn-on time in a cycle realizes the reduced output voltage to input AC electricity to carry out copped wave output to input AC electricity.
Refering to Fig. 5, the first straight-through output driving circuit 602 includes: triode Q13, optocoupler U3 and triode Q14, three poles
The base stage of pipe Q13 is connect with governor circuit 80, and the emitter of triode Q13 is connect with the first reference；The diode of optocoupler U3
Cathode is connect with the collector of triode Q13, and the diode anode of optocoupler U3 is connect with the first DC auxiliary supply+10V, optocoupler
The transistor collector of U3 is connect with the second DC auxiliary supply+12V, the transistor emitter of optocoupler U3 and the one of resistance R57
End connection, the other end of resistance R57 are connect with one end of resistance R58, and the other end of resistance R58 is connect with the second reference；Three
The base stage of pole pipe Q14 is connect with one end of resistance R58, and the emitter of triode Q14 is connect with the second reference, triode Q14
Collector connect with first silicon-controlled 20 controlled end by resistance R17.
Specifically, the working principle of the first straight-through output driving circuit 602 specifically: when needing to control first silicon-controlled 20
When conducting, governor circuit 80 exports high level by control signal P2, and triode Q13 is connected in high level signal, at this point, light
Coupling U3 starts to work, and optocoupler U3 and the connecting pin of resistance R57 and resistance R58 are begun to turn on, and resistance R57 and resistance R58 are to second
DC auxiliary supply+12V voltage is divided, and branch pressure voltage acts on the base stage of triode Q14, triode Q14 conducting, three-level
After pipe Q14 conducting, silicon-controlled 20 conducting of triggering first directly exports input AC electricity after first silicon-controlled 20 conducting.
Refering to Fig. 3, intelligent silicon controlled rectifier voltage conversion circuit further include: ac-dc converter circuit 902 and input voltage measurement
Circuit 12, ac-dc converter circuit 902 include current rectifying and wave filtering circuit 901, and current rectifying and wave filtering circuit 901 is electrically connected with input AC,
For input AC electricity to be converted into the first high voltage direct current.
Input voltage detection circuit 12 is connect with current rectifying and wave filtering circuit 901 and governor circuit 80 respectively, for high to first
Straightening galvanic electricity carries out voltage detecting, and governor circuit 80 drives according to input voltage value, the straight-through output driving circuit 602 of control first
First silicon-controlled 20 directly exports input AC electricity；Alternatively, the first reduced output voltage driving circuit 601 of control drives described first
Silicon-controlled 20 by the input AC electricity reduced output voltage.
Specifically, the governor circuit 80 is obtained by the ac-dc converter circuit 902 and input voltage detection circuit 12
The voltage value of input AC electricity is taken, and is directly exported input dc power according to the voltage value of alternating current control first silicon-controlled 20
Or reduced output voltage.For example, main control module passes through the first reduced output voltage driving circuit when input AC piezoelectric voltage value is 220V
601 drivings first silicon-controlled 20 are by input AC electricity reduced output voltage；When input AC piezoelectric voltage value is 110V, main control module is logical
The first straight-through driving of output driving circuit 602 first silicon-controlled 20 is crossed by the directly output of input AC electricity.
Refering to Fig. 7, current rectifying and wave filtering circuit 901 includes rectifier bridge D4 and filter capacitor CF2, is handed over input by rectifier bridge D4
Galvanic electricity is converted into Rectified alternating current, and Rectified alternating current is converted into the first stable high voltage direct current by filter capacitor CF2.
Refering to Fig. 6, input voltage detection circuit 12 includes resistance R32 and resistance R38, and one end of resistance R32 is believed by HV
It number is connect with current rectifying and wave filtering circuit 901, the resistance R32 other end is connect with one end of resistance R38, the other end and ginseng of resistance R38
It connects with examining, one end of resistance R38 also passes through resistance R31 and connect with the voltage sampling port of governor circuit 80.Resistance R32 and resistance
R38 is input to governor circuit 80 after dividing the first high voltage direct current.Voltage inspection is carried out to the first high voltage direct current to realize
It surveys.
Refering to Fig. 4, intelligent silicon controlled rectifier voltage conversion circuit further include: second silicon-controlled 40 exchanges output driving electricity with second
Road 70, second silicon-controlled 40 one end are connect with AC input, and second silicon-controlled 40 other end and the first alternating current are defeated
Outlet connection；Second exchange output driving circuit 70 is connect with second silicon-controlled 40 controlled end and governor circuit 80 respectively, is used
In under the control of governor circuit 80, the conducting of driving second silicon-controlled 40 hands over the straight-through output of input AC electricity with output second
Galvanic electricity.Specifically, exchanging 70 exportable second road alternating current (i.e. second of output driving circuit with second by second silicon-controlled 40
Alternating current).By exporting two-way alternating current, meet the different demands of user.For example, when input voltage is 220V, it can be simultaneously
Export 110V and 220V two-way alternating current；When input voltage is 110V, two-way 110V alternating current can be exported simultaneously.
In one embodiment of the invention, the first silicon-controlled 20 and first exchange delivery outlet presets maximum overload value
2000W or less.When the voltage of input AC electricity is within the scope of 100V-120V, input AC electricity is silicon-controlled and the by first
The one straight-through output of exchange output circuit；When input AC piezoelectric voltage value is within the scope of 220-240V, input AC electricity passes through the
It is exported after one silicon-controlled decompression by the exchange output circuit, is used with meeting the electric appliance of 110V, 100V voltage.
Second silicon-controlled 40 and second exchange output circuit is straight-through voltage output, preset maximum overload value 200W hereinafter,
It is used with meeting the electric appliance of 200W or less small-power Width funtion.Since the first silicon-controlled work is in reduced output voltage, voltage is wave
Crest output may require tighter low power electric appliance to damage to some.By second it is silicon-controlled input AC electricity led directly to it is defeated
Out, the deficiency that voltage after the first alternating current is depressured is wave crest shape output end is solved.And found through market survey, 200W is below
Electric appliance be substantially Width funtion electric appliance, the electric appliance of 200W or more is that single voltage is more, to meet the market demand, by that will be depressured
It is combined on identical product with straight-through function, for two independent products, so that product total volume is small, facilitates travelling
It carries, while cost is relatively low.
Refering to Fig. 5, the second exchange output driving circuit 70 includes triode Q9 and optocoupler U1, the base stage of triode Q9 and master
It controls circuit 80 to connect, the emitter of triode Q9 is connect with the first reference；The diode cathode of optocoupler U1 is with triode Q9's
Collector connection, the diode anode of optocoupler U1 are connect with the first DC auxiliary supply+10V, the transistor collector of optocoupler U1
It is connect with the controlled end of the second silicon-controlled 40Q2, the transistor emitter of optocoupler U1 is connect with second with reference to ground GNDB.
The working principle of second exchange output driving circuit 70 specifically: be connected when needing to control the second silicon-controlled 40Q2
When, governor circuit 80 exports high level by control signal P3, and triode Q9 is connected in high level signal, at this point, optocoupler U1
It starting to work, optocoupler U1 and the connecting pin of resistance R14 are begun to turn on, and trigger the first silicon-controlled 20 conducting, and first silicon-controlled 20
After conducting, input AC electricity is directly exported.
Refering to Fig. 4, intelligent silicon controlled rectifier voltage conversion circuit further include: USB circuit 16, ac-dc converter circuit 902 also wrap
DC converting circuit 902 is included, DC converting circuit 902 is connect with current rectifying and wave filtering circuit 901 and USB circuit 16 respectively, and being used for will
First high voltage direct current is converted into the first low-voltage DC, powers for USB circuit 16.
Refering to fig. 10, USB circuit 16 respectively includes USB interface USB1, USB2 and fast charge integrated circuit U4, USB interface
USB1 and USB2 is respectively used to connect with circumscribed USB equipment, and fast charge integrated circuit U4 is used to carry out fast charge association with circumscribed USB equipment
View communication, to carry out quick charge for circumscribed USB equipment.
Refering to Fig. 4, intelligent silicon controlled rectifier voltage conversion circuit further includes the first overload detection circuit 18, the first overload detection electricity
Road 18 is connect with first silicon-controlled 20 and governor circuit 80 respectively, for the output end to first silicon-controlled 20 output electric current into
Row detection, and current value is transmitted to governor circuit 80, when current value is excessive, pass through active circuits control first silicon-controlled 20
Cut-off, to carry out overcurrent protection.
Refering to Fig. 4, intelligent silicon controlled rectifier voltage conversion circuit further includes the second overload detection circuit 11, the second overload detection electricity
Road 11 is connect with second silicon-controlled 40 and governor circuit 80 respectively, for the output end to second silicon-controlled 40 output electric current into
Row detection, and current value is transmitted to governor circuit 80, when current value is excessive, pass through active circuits control second silicon-controlled 40
Cut-off, to carry out overcurrent protection.
Refering to Fig. 5, the one of the second overload detection circuit 11 one end and second silicon-controlled 40 including resistance R38 resistance R38
End connection, the other end of resistance R38 are connect with one end (N) of input AC electricity.One end of resistance R38 also with governor circuit 80
Current sampling port (I) connection.Input current is detected by resistance R38.
Refering to Fig. 4, intelligent silicon controlled rectifier voltage conversion circuit further includes temperature sensing circuit, temperature sensing circuit and master control electricity
Road 80 connects.Temperature sensing circuit carries out temperature detection to being equipped with intelligent silicon controlled rectifier voltage conversion circuit equipment, and by temperature
Detected value is transmitted to governor circuit 80, can by active circuits control first silicon-controlled 20 and/or second when temperature value is excessive
It controls silicon 40 to end, to carry out overheat protector.
Refering to Fig. 6, temperature sensing circuit includes thermistor RT1 and resistance R35, the one end thermistor RT1 and power supply+5V
Connection, the other end of thermistor RT1 are connect with one end of resistance R35, and the other end of resistance R35 is connect with reference, resistance
One end of R35 is also connect with the temperature detection end of governor circuit 80.
Refering to Fig. 4, intelligent silicon controlled rectifier voltage conversion circuit further includes fan control circuitry 13, fan control circuitry 13 and master
It controls circuit 80 to connect, for controlling the velocity of rotation of fan according to temperature detection value.With to be equipped with intelligent silicon controlled rectifier voltage turn
It changes circuit arrangement and carries out temperature control, avoid excess temperature.
The above is only the embodiment of the present invention, are not intended to limit the scope of the patents of the invention, although with reference to the foregoing embodiments
Invention is explained in detail, still can be to aforementioned each specific reality for coming for those skilled in the art
It applies technical solution documented by mode to modify, or equivalence replacement is carried out to part of technical characteristic.It is all to utilize this
The equivalent structure that description of the invention and accompanying drawing content are done directly or indirectly is used in other related technical areas, similarly
Within the invention patent protection scope.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (10)
1. a kind of intelligence silicon controlled rectifier voltage conversion circuit characterized by comprising
First is silicon-controlled, and described first silicon-controlled one end is connect with AC input, the described first silicon-controlled other end
It is connect with the first alternating current output end；
First exchange output driving circuit, the first exchange output driving circuit connect with the described first silicon-controlled controlled end
It connects；
Governor circuit, the governor circuit are connect with the first exchange output driving circuit, for controlling first exchange
Output driving circuit drives the described first silicon-controlled conducting by the straight-through output of input AC electricity, to export the first alternating current；Or
Person drives the described first silicon-controlled alternate conduction and cut-off for controlling the first exchange output driving circuit, will input
Alternating current reduced output voltage, to export the first alternating current.
2. intelligence silicon controlled rectifier voltage conversion circuit according to claim 1, which is characterized in that the first exchange output is driven
Dynamic circuit includes:
First straight-through output driving circuit, the first straight-through output driving circuit respectively with the described first silicon-controlled controlled end
And the governor circuit connection, it, will be described defeated for driving first controlled silicon conducting under the control of the governor circuit
Enter exchange directly output；
First reduced output voltage driving circuit, the first reduced output voltage driving circuit respectively with the described first silicon-controlled controlled end
And the governor circuit connection, for driving the described first silicon-controlled alternate conduction under the control of the governor circuit and cutting
Only, by the input AC reduced output voltage.
3. intelligence silicon controlled rectifier voltage conversion circuit according to claim 2, which is characterized in that first reduced output voltage drives
Dynamic circuit includes:
Triode (Q11), the triode (Q11) base stage connect with the governor circuit, the transmitting of the triode (Q11)
Pole is connect with the first reference；
The diode cathode of optocoupler (U5), the optocoupler (U5) is connect with the collector of the triode (Q11), the optocoupler
(U5) diode anode is connect with the first DC auxiliary supply, the first output end and the input AC electricity of the optocoupler (U5)
One end N connection；
One end of resistance (R17), the resistance (R17) is connect with the second output terminal of the optocoupler (U5)；
Capacitor (C10), the capacitor (one end of C10 is connect with the other end of the resistance (R17), the capacitor (C10) it is another
One end is connect with the other end of input AC electricity；
One end of diac (DB1), the diac (DB1) is connect with described one end of the capacitor (C10), institute
The other end for stating diac (DB1) is connect with the described first silicon-controlled controlled end.
4. intelligence silicon controlled rectifier voltage conversion circuit according to claim 2, which is characterized in that further include:
Ac-dc converter circuit, the ac-dc converter circuit include current rectifying and wave filtering circuit, the current rectifying and wave filtering circuit with it is described
Input AC electrical connection, for the input AC electricity to be converted into the first high voltage direct current；
Input voltage detection circuit, the input voltage detection circuit connect with the current rectifying and wave filtering circuit and governor circuit respectively
It connects, for carrying out voltage detecting to first high voltage direct current, the governor circuit controls described the according to input voltage value
One straight-through output driving circuit driving described first is silicon-controlled directly to export the input AC electricity；Alternatively, control described the
One reduced output voltage driving circuit driving described first is silicon-controlled by the input AC electricity reduced output voltage.
5. intelligence silicon controlled rectifier voltage conversion circuit according to claim 1, which is characterized in that further include:
Second is silicon-controlled, and described second silicon-controlled one end is connect with AC input, the described second silicon-controlled other end
It is connect with the second alternating current output end；
Second exchange output driving circuit, it is described second exchange output driving circuit respectively with the described second silicon-controlled controlled end
And governor circuit connection, for driving the second silicon-controlled conducting under governor circuit control, by input AC electricity
Straight-through output, to export the second alternating current.
6. intelligence silicon controlled rectifier voltage conversion circuit according to claim 4, which is characterized in that further include:
USB circuit；
The ac-dc converter circuit further includes DC converting circuit, and the DC converting circuit is electric with the rectifying and wave-filtering respectively
Road and USB circuit connection, for first high voltage direct current to be converted into the first low-voltage DC.
7. intelligent AC conversion decompression circuit according to claim 4, which is characterized in that further include the first overload detection electricity
Road, first overload detection circuit are silicon-controlled and governor circuit is connect with described first respectively.
8. intelligent AC conversion decompression circuit according to claim 4, which is characterized in that further include the second overload detection electricity
Road, second overload detection circuit are silicon-controlled and governor circuit is connect with described second respectively.
9. intelligent AC conversion decompression circuit according to claim 1, which is characterized in that it further include temperature sensing circuit,
The temperature sensing circuit is connect with the governor circuit.
10. intelligent AC conversion decompression circuit according to claim 9, which is characterized in that it further include fan control circuitry,
The fan control circuitry is connect with the governor circuit, for controlling the velocity of rotation of fan according to temperature detection value.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910539122.0A CN110224615A (en) | 2019-06-20 | 2019-06-20 | Intelligent silicon controlled rectifier voltage conversion circuit |
| PCT/CN2019/107686 WO2020252968A1 (en) | 2019-06-20 | 2019-09-25 | Smart thyristor voltage conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910539122.0A CN110224615A (en) | 2019-06-20 | 2019-06-20 | Intelligent silicon controlled rectifier voltage conversion circuit |
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| Publication Number | Publication Date |
|---|---|
| CN110224615A true CN110224615A (en) | 2019-09-10 |
Family
ID=67813986
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910539122.0A Pending CN110224615A (en) | 2019-06-20 | 2019-06-20 | Intelligent silicon controlled rectifier voltage conversion circuit |
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| CN (1) | CN110224615A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020252968A1 (en) * | 2019-06-20 | 2020-12-24 | 广东百事泰电子商务股份有限公司 | Smart thyristor voltage conversion circuit |
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