CN207166372U - The compatible adapter circuit of one kind of multiple voltages - Google Patents
The compatible adapter circuit of one kind of multiple voltages Download PDFInfo
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- CN207166372U CN207166372U CN201621405073.XU CN201621405073U CN207166372U CN 207166372 U CN207166372 U CN 207166372U CN 201621405073 U CN201621405073 U CN 201621405073U CN 207166372 U CN207166372 U CN 207166372U
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Abstract
The utility model discloses the compatible adapter circuit of one kind of multiple voltages, including live wire ac input end, zero line ac input end, rectifier bridge, filter circuit, inverter circuit, backfeed loop, secondary commutation filter circuit, compatible potential circuit and output end；The output end and input of transformer are isolated using optocoupler, using three-terminal voltage-stabilizing source and its circuit is coordinated to carry out voltage stabilizing to the voltage of output, and the compatible various voltages of energy, improve circuit integrity energy, and it is provided with backfeed loop and output signal is recycled to obtained by input and input signal comparison to effectively input signal goes control to export, adapter compatibility can be thus enabled to use the electronic equipment of different voltages, it can also meet that various equipment and various occasions use, the species or quantity of adapter are reduced, so as to save resource.
Description
Technical field
It the utility model is related to charging circuit field, and in particular to the compatible adapter circuit of one kind of multiple voltages.
Background technology
Electronic electric equipment is increasingly various, indispensable in the production, life in people, its interface type, work
Power supply etc. is also to have difference more, and therefore, all kinds of power supply change-over devices for translation interface type and voltage of transformation are important all the more,
It is widely used in every field, particularly it is widely used in mobile phone, normal without cassette phone, LED illumination lamp etc. in sphere of life
See electronic equipment；Such as vehicle power output interface is changed the cigarette lighting connector for automobiles of USB interface and is converted to civil power and is met
The adapter of USB interface voltage；Using adapter as working power or the electricity consumption occasion of stand-by power supply, adapter has extensive answer
With prospect, but existing adapter circuit using the use of excessive, a large amount of discrete component of discrete component cause high processing costs,
Complex process causes that the repair rate of product is higher, and circuit structure is complex in addition, and circuit reliability is not high, and to a variety of electricity
The compatibility of pressure is not also high.
Utility model content
The purpose of this utility model is to provide that a kind of production cost is low, circuit reliability is high and the multiple voltage of low-power consumption is simultaneous
The adapter circuit of appearance.
The utility model is achieved through the following technical solutions：The compatible adapter circuit of one kind of multiple voltages, including live wire
Ac input end, zero line ac input end, rectifier bridge, filter circuit, inverter circuit, backfeed loop, secondary commutation filter circuit,
Compatible potential circuit and output end；The live wire ac input end is connected to the second pin of rectifier bridge, and the zero line exchange is defeated
Enter the 4th pin that end is connected to rectifier bridge BD1, the output end connection filter circuit of the rectifier bridge, the filter circuit connection
To inverter circuit, the inverter circuit connects secondary commutation filter circuit, and the inverter circuit is also connected simultaneous by backfeed loop
Hold potential circuit, the compatible potential circuit is connected to secondary commutation filter circuit, and the secondary commutation filter circuit connection is defeated
Go out end；The filter circuit include the 3rd electric capacity, the second electric capacity, the first inductance, the 25th resistance, the first of the rectifier bridge
Pin connects one end of the 3rd electric capacity, and one end of the 3rd electric capacity is also connected with one end of the first inductance, first inductance
The other end connects one end of the second electric capacity, and the 20th is also in series between one end of the 3rd electric capacity and one end of the second electric capacity
Five resistance, the 3rd pin, the other end of the 3rd electric capacity and the other end of the second electric capacity of the rectifier bridge are with all connecing power supply, described
One end of second electric capacity is additionally coupled to inverter circuit；The inverter circuit includes first resistor, second resistance, 3rd resistor, the
Five resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the first electric capacity, the 5th electric capacity, the 12nd electric capacity, three poles
Pipe, metal-oxide-semiconductor, the second diode, the 8th diode, voltage-regulator diode, main transformer, teaser transformer；In the filter circuit
One end of two electric capacity is also connected with one end of first resistor, and the other end of the first resistor connects one end of the 5th electric capacity, described
The other end of 5th electric capacity is additionally coupled to the 4th pin of teaser transformer, and the other end of the first resistor is also connected with the 5th resistance
One end, the other end of the 5th resistance is connected to one end of the 6th resistance, the other end connection metal-oxide-semiconductor of the 6th resistance
Grid, the grid of the metal-oxide-semiconductor is also connected with the negative pole of voltage-regulator diode, the electricity of positive pole connection the 12nd of the voltage-regulator diode
One end of appearance, another termination power of the 12nd electric capacity, one end of the 12nd electric capacity is also connected with the second diode
Positive pole, the negative pole of second diode is connected to the 4th pin of teaser transformer, and the drain electrode of the metal-oxide-semiconductor is connected to main transformer
3rd pin of depressor, the other end of five resistance are additionally coupled to be connected to the colelctor electrode of triode, the hair of the triode
With connecing power supply, the base stage of the triode connects one end of the 9th resistance, the other end connection the 7th of the 9th resistance to emitter-base bandgap grading
One end of resistance, one end of the 7th resistance are also connected with one end of the 8th resistance, and one end of the 8th resistance is additionally coupled to
The source electrode of metal-oxide-semiconductor, the other end of the 7th resistance and the 8th resistance is with all connecing power supply；The base stage of the triode is additionally coupled to
Backfeed loop, one end of the first resistor are also connected with one end of the first electric capacity, and the first electric capacity parallel connection second resistance is described
Second resistance parallel connection 3rd resistor, one end of the 3rd resistor are also connected with the first pin of main transformer, the 3rd resistor
The other end connect the 8th diode negative pole, the 8th diode positive pole connection main transformer the 3rd pin, it is described
5th pin of teaser transformer is with connecing power supply；9th pin of the main transformer, which connects, exports ground, and the tenth of the main transformer the
Pin connects secondary commutation filter circuit；The secondary commutation filter circuit includes the 4th rectifying tube, the 5th rectifying tube, the 7th electricity
Appearance, the 13rd resistance, the 9th electric capacity, the tenth electric capacity and the 11st electric capacity；The tenth of main transformer in the inverter circuit draws
Pin connects the positive pole of the 4th rectifying tube, and the positive pole of the 4th rectifying tube connects the positive pole of the 5th rectifying tube, the 5th rectification
The positive pole of pipe is also connected with one end of the 13rd resistance, and the other end of the 13rd resistance connects one end of the 7th electric capacity, described
The other end of 7th electric capacity connects the negative pole of the 5th rectifying tube, and the negative pole of the 5th rectification connects the negative pole of the 4th rectifying tube,
One end of negative pole the 9th electric capacity of connection of 4th rectifying tube, another termination output ground of the 9th electric capacity, the described 9th
One end of the tenth electric capacity of one end connection of electric capacity, one end of the 11st electric capacity of one end connection of the tenth electric capacity, the described tenth
One end of one electric capacity is also connected with output end, and the other end of the tenth electric capacity and the 11st electric capacity, which all connects, exports ground, and the described 9th
One end of electric capacity is additionally coupled to compatible potential circuit；The backfeed loop includes the tenth resistance, the 11st resistance, the 12nd electricity
Resistance, the 6th electric capacity, the 3rd diode, optocoupler, the base stage of the triode in the inverter circuit connect one end of the 11st resistance,
One end of 11st resistance is also connected with one end of the 12nd resistance, and the of the other end connection optocoupler of the 11st resistance
Four pins, the 3rd pin of the other end connection optocoupler of the 12nd resistance, the 4th pin of the optocoupler are also connected with the 6th
One end of electric capacity, another termination power of the 6th electric capacity, one end of the 6th electric capacity is also connected with the one of the tenth resistance
End, the other end of the tenth resistance connect the negative pole of the 3rd diode, and the positive pole of the 3rd diode is connected to secondary transformation
4th pin of device；The first pin and second pin of the optocoupler are connected to compatible potential circuit；The power supply and output
Interval electric capacity is provided between ground；The compatible potential circuit includes the 14th resistance, the 15th resistance, the 16th resistance, the tenth
Seven resistance, the 18th resistance, the 19th resistance, the 20th resistance, the 21st resistance, the 22nd resistance, the 23rd electricity
Resistance, the 24th resistance, the 8th electric capacity, light emitting diode, three-terminal voltage-stabilizing source, the 9th electric capacity in the secondary commutation filter circuit
One end connect one end of the 14th resistance, optocoupler first draws in the other end connection backfeed loop of the 14th resistance
Pin, the other end of the 14th resistance are also connected with one end of the 15th resistance, the other end connection three of the 15th resistance
Hold the 3rd pin of source of stable pressure, the second pin of the 3rd pin connection optocoupler in the three-terminal voltage-stabilizing source, the of the three-terminal voltage-stabilizing source
The 8th electric capacity is parallel between three pin and the first pin, the crus secunda in the three-terminal voltage-stabilizing source connects output ground, the three-terminal voltage-stabilizing source
The first pin connect one end of the 16th resistance, the other end of the 16th resistance connects one end of the 17th resistance, described
One end of 17th resistance is also connected with one end of the tenth electric capacity in secondary commutation filter circuit, the other end of the 17th resistance
The positive pole of connecting luminous diode, the negative pole of the light emitting diode connect output ground, the first pin connection in the three-terminal voltage-stabilizing source
One end of 18th resistance, one end of the 19th resistance of one end connection of the 18th resistance, the one of the 19th resistance
One end of the 20th resistance of end connection, one end of the 21st resistance of one end connection of the 20th resistance, the described 20th
One end of one resistance connects one end of the 22nd resistance, and one end of the 22nd resistance connects the one of the 23rd resistance
End, one end of the 23rd resistance connect one end of the 24th resistance, the 18th resistance, the 19th resistance, the
20 resistance, the 21st resistance, the 22nd resistance, the 23rd resistance and the 24th resistance all connect output ground；It is described
Fuse is connected between live wire ac input end and the second pin of rectifier bridge；The model TL431 in the three-terminal voltage-stabilizing source.
The utility model include live wire ac input end, zero line ac input end, rectifier bridge, filter circuit, inverter circuit,
Backfeed loop, secondary commutation filter circuit, compatible potential circuit and output end；Utilize output end of the optocoupler to transformer and input
End is isolated, and using three-terminal voltage-stabilizing source and its is coordinated circuit to carry out voltage stabilizing, and the compatible various voltages of energy to the voltage of output, is carried
High circuit integrity energy, and be provided with backfeed loop by output signal be recycled to input compared with input signal gained effectively
Input signal goes control to export, and can thus enable adapter compatibility to use the electronic equipment of different voltages, moreover it is possible to meets each
Kind equipment and various occasions use, and the species or quantity of adapter are reduced, so as to save resource.
Compared with prior art, it is of the present utility model to be beneficial in that：1）It can enable adapter is compatible to use different electricity
The electronic equipment of pressure；2）Meet that various equipment and various occasions use；3）The species or quantity of adapter are reduced, so as to save money
Source.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings with embodiment, the utility model is further described.
See Fig. 1, the compatible adapter circuit of one kind of multiple voltages, including live wire ac input end L, zero line ac input end
N, rectifier bridge BD1, filter circuit, inverter circuit, backfeed loop, secondary commutation filter circuit, compatible potential circuit and output end
VOUT；The live wire ac input end L is connected to rectifier bridge BD1 second pin, and the zero line ac input end N is connected to whole
Bridge BD1 the 4th pin, the output end connection filter circuit of the rectifier bridge BD1 are flowed, the filter circuit is connected to inversion electricity
Road, the inverter circuit connect secondary commutation filter circuit, and the inverter circuit also connects compatible voltage electricity by backfeed loop
Road, the compatible potential circuit are connected to secondary commutation filter circuit, the secondary commutation filter circuit connection output end VOUT；
The filter circuit includes the 3rd electric capacity C3, the second electric capacity C2, the first inductance L1, the 25th resistance R25, the rectifier bridge
BD1 the first pin connects the 3rd electric capacity C3 one end, and one end of the 3rd electric capacity C3 is also connected with the first inductance L1 one end,
The other end of the first inductance L1 connects the second electric capacity C2 one end, one end of the 3rd electric capacity C3 and the second electric capacity C2's
Also be in series with the 25th resistance R25 between one end, the 3rd pin of the rectifier bridge BD1, the 3rd electric capacity C3 other end and
With all connecing power supply, one end of the second electric capacity C2 is additionally coupled to inverter circuit to the second electric capacity C2 other end；The inversion electricity
Road includes first resistor R1, second resistance R2,3rd resistor R3, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th
Resistance R8, the 9th resistance R9, the first electric capacity C1, the 5th electric capacity C5, the 12nd electric capacity C12, triode Q2, metal-oxide-semiconductor Q1, the two or two
Pole pipe D2, the 8th diode D8, voltage-regulator diode ZD1, main transformer TA, teaser transformer TB；Second electricity in the filter circuit
The one end for holding C2 is also connected with first resistor R1 one end, and the other end of the first resistor R1 connects the 5th electric capacity C5 one end,
The other end of the 5th electric capacity C5 is additionally coupled to teaser transformer TB the 4th pin, and the other end of the first resistor R1 also connects
The 5th resistance R5 one end is connect, the other end of the 5th resistance R5 is connected to the 6th resistance R6 one end, the 6th resistance
R6 other end connection metal-oxide-semiconductor Q1 grid, the grid of the metal-oxide-semiconductor Q1 is also connected with voltage-regulator diode ZD1 negative pole, described steady
Pressure diode ZD1 the 12nd electric capacity C12 of positive pole connection one end, another termination power of the 12nd electric capacity C12, institute
The one end for stating the 12nd electric capacity C12 is also connected with the second diode D2 positive pole, and the negative pole of the second diode D2 is connected to pair
Transformer TB the 4th pin, the drain electrode of the metal-oxide-semiconductor Q1 are connected to main transformer TA the 3rd pin, the five resistance R5's
The other end is additionally coupled to be connected to triode Q2 colelctor electrode, the emitter stage of the triode Q2 with connecing power supply, the triode
Q2 base stage connects the 9th resistance R9 one end, and the other end of the 9th resistance R9 connects the 7th resistance R7 one end, described
7th resistance R7 one end is also connected with the 8th resistance R8 one end, and one end of the 8th resistance R8 is additionally coupled to metal-oxide-semiconductor Q1's
Source electrode, the other end of the 7th resistance R7 and the 8th resistance R8 is with all connecing power supply；The base stage of the triode Q2 is additionally coupled to
Backfeed loop, one end of the first resistor R1 are also connected with the first electric capacity C1 one end, the electricity of the first electric capacity C1 parallel connections second
R2 is hindered, the second resistance R2 parallel connection 3rd resistors R3, one end of the 3rd resistor R3 is also connected with the first of main transformer TA
Pin, the other end of the 3rd resistor R3 connect the 8th diode D8 negative pole, the positive pole connection of the 8th diode D8
Main transformer TA the 3rd pin, the 5th pin of the teaser transformer TB is with connecing power supply；The 9th of the main transformer TA draws
Pin connects output ground, the tenth pin connection secondary commutation filter circuit of the main transformer TA；The secondary commutation filter circuit
Including the 4th rectifying tube D4, the 5th rectifying tube D5, the 7th electric capacity C7, the 13rd resistance R13, the 9th electric capacity C9, the tenth electric capacity C10
With the 11st electric capacity C11；The tenth pin of main transformer TA in the inverter circuit connects the 4th rectifying tube D4 positive pole, institute
The positive pole for stating the 4th rectifying tube D4 connects the 5th rectifying tube D5 positive pole, and the positive pole of the 5th rectifying tube D5 is also connected with the 13rd
Resistance R13 one end, the other end of the 13rd resistance R13 connect the 7th electric capacity C7 one end, the 7th electric capacity C7's
The other end connects the 5th rectifying tube D5 negative pole, and the negative pole of the 5th rectifying tube D5 connects the 4th rectifying tube D4 negative pole, institute
The negative pole for stating the 4th rectifying tube D4 connects the 9th electric capacity C9 one end, and another termination output ground of the 9th electric capacity C9 is described
9th electric capacity C9 one end connects the tenth electric capacity C10 one end, and one end of the tenth electric capacity C10 connects the 11st electric capacity C11
One end, one end of the 11st electric capacity C11 is also connected with output end VOUT, the tenth electric capacity C10 and the 11st electric capacity C11
The other end all connect output ground, one end of the 9th electric capacity C9 is additionally coupled to compatible potential circuit；The backfeed loop includes
Tenth resistance R10, the 11st resistance R11, the 12nd resistance R12, the 6th electric capacity C6, the 3rd diode D3, optocoupler U1, it is described inverse
The triode Q2 become in circuit base stage connects the 11st resistance R11 one end, and one end of the 11st resistance R11 is also connected with
12nd resistance R12 one end, the other end connection optocoupler U1 of the 11st resistance R11 the 4th pin, the described 12nd
Resistance R12 other end connection optocoupler U1 the 3rd pin, the 4th pin of the optocoupler U1 are also connected with the one of the 6th electric capacity C6
End, another termination power of the 6th electric capacity C6, one end of the 6th electric capacity C6 is also connected with the one of the tenth resistance R10
End, the other end of the tenth resistance R10 connect the 3rd diode D3 negative pole, and the positive pole of the 3rd diode D3 is connected to
Teaser transformer TB the 4th pin；The first pin and second pin of the optocoupler U1 is connected to compatible potential circuit；The electricity
Interval electric capacity CY is provided with to source between output ground；The compatible potential circuit includes the 14th resistance R14, the 15th resistance
R15, the 16th resistance R16, the 17th resistance R17, the 18th resistance R18, the 19th resistance R19, the 20th resistance R20,
It is 21 resistance R21, the 22nd resistance R22, the 23rd resistance R23, the 24th resistance R24, the 8th electric capacity C8, luminous
Diode (LED), three-terminal voltage-stabilizing source U2, the 9th electric capacity C9 one end connects the 14th resistance in the secondary commutation filter circuit
R14 one end, the 14th resistance R14 the other end connection backfeed loop in optocoupler U1 the first pin, the described 14th
The resistance R14 other end is also connected with the 15th resistance R15 one end, and three ends of other end connection of the 15th resistance R15 are steady
Potential source U2 the 3rd pin, the 3rd pin connection optocoupler U1 of three-terminal voltage-stabilizing source U2 second pin, the three-terminal voltage-stabilizing source U2
The 3rd pin and the first pin between be parallel with the 8th electric capacity C8, the crus secunda of the three-terminal voltage-stabilizing source U2 connects output ground, described three
Source of stable pressure U2 the first pin is held to connect the 16th resistance R16 one end, the other end connection the 17th of the 16th resistance R16
Resistance R17 one end, one end of the 17th resistance R17 are also connected with one of the tenth electric capacity C10 in secondary commutation filter circuit
End, the other end connecting luminous diode LED of the 17th resistance R17 positive pole, the negative pole of the LED connect
Output ground, the 18th resistance R18 of the first pin connection of three-terminal voltage-stabilizing source U2 one end, the one of the 18th resistance R18
The 19th resistance R19 of end connection one end, one end of the 19th resistance R19 connects the 20th resistance R20 one end, described
20th resistance R20 one end connects the 21st resistance R21 one end, one end connection of the 21st resistance R21 the
22 resistance R22 one end, one end of the 22nd resistance R22 connect the 23rd resistance R23 one end, and described the
23 resistance R23 one end connects the 24th resistance R24 one end, the 18th resistance R18, the 19th resistance R19,
20th resistance R20, the 21st resistance R21, the 22nd resistance R22, the 23rd resistance R23 and the 24th resistance
R24 connects output ground；Fuse F1 is connected between the second pin of the live wire ac input end L and rectifier bridge BD1；It is described
Three-terminal voltage-stabilizing source U2 model TL431.
It is just more compared with prior art due to connecting compatible potential circuit after secondary commutation filter circuit in present embodiment
The function of compatible voltage, is coordinated, and pass through by model TL431 three-terminal voltage-stabilizing source U2 and the circuit on periphery
Output signal is recycled to input and goes control to export with effectively input signal obtained by input signal comparison by backfeed loop, just can be real
The compatibility of existing multiple voltage, suitable for a variety of different types of electronic equipments.
In present embodiment, solve that function is relatively simple, and many electronic equipments need to be equipped with special adaptation using this circuit
Device, the problem of electronics establishing of different voltages also needs to be equipped with different adapters；Enable adapter compatible using different voltages
Electronic equipment, and can meet that various equipment and various occasions use, the species or quantity of adapter are reduced, saves resource.
The scope of protection of the utility model includes but is not limited to embodiment of above, and the scope of protection of the utility model is to weigh
Sharp claim is defined, and any replacement being readily apparent that to those skilled in the art that this technology is made, deformation, improvement are each fallen within
The scope of protection of the utility model.
Claims (9)
1. the compatible adapter circuit of one kind of multiple voltages, it is characterised in that：Including live wire ac input end（L）, zero line exchange
Input（N）, rectifier bridge（BD1）, filter circuit, inverter circuit, backfeed loop, secondary commutation filter circuit, compatible voltage electricity
Road and output end（VOUT）；The live wire ac input end（L）It is connected to rectifier bridge（BD1）Second pin, the zero line hands over
Flow input（N）It is connected to rectifier bridge（BD1）The 4th pin, the rectifier bridge（BD1）Output end connection filter circuit, institute
State filter circuit and be connected to inverter circuit, the inverter circuit connects secondary commutation filter circuit, and the inverter circuit also passes through
Backfeed loop connects compatible potential circuit, and the compatible potential circuit is connected to secondary commutation filter circuit, the secondary commutation
Filter circuit connects output end（VOUT）.
2. the compatible adapter circuit of one kind of multiple voltages according to claim 1, it is characterised in that：The filter circuit
Including the 3rd electric capacity（C3）, the second electric capacity（C2）, the first inductance（L1）, the 25th resistance（R25）, the rectifier bridge（BD1）
The first pin connect the 3rd electric capacity（C3）One end, the 3rd electric capacity（C3）One end be also connected with the first inductance（L1）One
End, first inductance（L1）The other end connect the second electric capacity（C2）One end, the 3rd electric capacity（C3）One end and
Two electric capacity（C2）One end between be also in series with the 25th resistance（R25）, the rectifier bridge（BD1）The 3rd pin, the 3rd
Electric capacity（C3）The other end and the second electric capacity（C2）The other end with all connecing power supply, second electric capacity（C2）One end be also connected with
To inverter circuit.
3. the compatible adapter circuit of one kind of multiple voltages according to claim 2, it is characterised in that：The inverter circuit
Including first resistor（R1）, second resistance（R2）, 3rd resistor（R3）, the 5th resistance（R5）, the 6th resistance（R6）, the 7th resistance
（R7）, the 8th resistance（R8）, the 9th resistance（R9）, the first electric capacity（C1）, the 5th electric capacity（C5）, the 12nd electric capacity（C12）, three poles
Pipe（Q2）, metal-oxide-semiconductor（Q1）, the second diode（D2）, the 8th diode（D8）, voltage-regulator diode（ZD1）, main transformer（TA）、
Teaser transformer（TB）；Second electric capacity in the filter circuit（C2）One end be also connected with first resistor（R1）One end, described
One resistance（R1）The other end connect the 5th electric capacity（C5）One end, the 5th electric capacity（C5）The other end be additionally coupled to secondary change
Depressor（TB）The 4th pin, the first resistor（R1）The other end be also connected with the 5th resistance（R5）One end, the described 5th
Resistance（R5）The other end be connected to the 6th resistance（R6）One end, the 6th resistance（R6）The other end connection metal-oxide-semiconductor
（Q1）Grid, the metal-oxide-semiconductor（Q1）Grid be also connected with voltage-regulator diode（ZD1）Negative pole, the voltage-regulator diode（ZD1）
Positive pole connect the 12nd electric capacity（C12）One end, the 12nd electric capacity（C12）Another termination power, described tenth
Two electric capacity（C12）One end be also connected with the second diode（D2）Positive pole, second diode（D2）Negative pole be connected to pair
Transformer（TB）The 4th pin, the metal-oxide-semiconductor（Q1）Drain electrode be connected to main transformer（TA）The 3rd pin, it is described five electricity
Resistance（R5）The other end be additionally coupled to be connected to triode（Q2）Colelctor electrode, the triode（Q2）Emitter stage connect power supply
Ground, the triode（Q2）Base stage connect the 9th resistance（R9）One end, the 9th resistance（R9）Other end connection the
Seven resistance（R7）One end, the 7th resistance（R7）One end be also connected with the 8th resistance（R8）One end, the 8th resistance
（R8）One end be additionally coupled to metal-oxide-semiconductor（Q1）Source electrode, the 7th resistance（R7）With the 8th resistance（R8）The other end all connect
Power supply；The triode（Q2）Base stage be additionally coupled to backfeed loop, the first resistor（R1）One end be also connected with first
Electric capacity（C1）One end, first electric capacity（C1）Second resistance in parallel（R2）, the second resistance（R2）3rd resistor in parallel
（R3）, the 3rd resistor（R3）One end be also connected with main transformer（TA）The first pin, the 3rd resistor（R3）It is another
One end connects the 8th diode（D8）Negative pole, the 8th diode（D8）Positive pole connection main transformer（TA）The 3rd draw
Pin, the teaser transformer（TB）The 5th pin with connecing power supply；The main transformer（TA）The 9th pin connect output ground, it is described
Main transformer（TA）The tenth pin connection secondary commutation filter circuit.
4. the compatible adapter circuit of one kind of multiple voltages according to claim 3, it is characterised in that：The secondary commutation
Filter circuit includes the 4th rectifying tube（D4）, the 5th rectifying tube（D5）, the 7th electric capacity（C7）, the 13rd resistance（R13）, the 9th electricity
Hold（C9）, the tenth electric capacity（C10）With the 11st electric capacity（C11）；Main transformer in the inverter circuit（TA）The tenth pin
Connect the 4th rectifying tube（D4）Positive pole, the 4th rectifying tube（D4）Positive pole connect the 5th rectifying tube（D5）Positive pole, institute
State the 5th rectifying tube（D5）Positive pole be also connected with the 13rd resistance（R13）One end, the 13rd resistance（R13）The other end
Connect the 7th electric capacity（C7）One end, the 7th electric capacity（C7）The other end connect the 5th rectifying tube（D5）Negative pole, it is described
5th rectifying tube（D5）Negative pole connect the 4th rectifying tube（D4）Negative pole, the 4th rectifying tube（D4）Negative pole connection the 9th
Electric capacity（C9）One end, the 9th electric capacity（C9）Another termination output ground, the 9th electric capacity（C9）One end connection the
Ten electric capacity（C10）One end, the tenth electric capacity（C10）One end connect the 11st electric capacity（C11）One end, the described 11st
Electric capacity（C11）One end be also connected with output end（VOUT）, the tenth electric capacity（C10）With the 11st electric capacity（C11）The other end
All connect output ground, the 9th electric capacity（C9）One end be additionally coupled to compatible potential circuit.
5. the compatible adapter circuit of one kind of multiple voltages according to claim 4, it is characterised in that：The backfeed loop
Including the tenth resistance（R10）, the 11st resistance（R11）, the 12nd resistance（R12）, the 6th electric capacity（C6）, the 3rd diode
（D3）, optocoupler（U1）, the triode in the inverter circuit（Q2）Base stage connect the 11st resistance（R11）One end, it is described
11st resistance（R11）One end be also connected with the 12nd resistance（R12）One end, the 11st resistance（R11）The other end
Connect optocoupler（U1）The 4th pin, the 12nd resistance（R12）The other end connection optocoupler（U1）The 3rd pin, it is described
Optocoupler（U1）The 4th pin be also connected with the 6th electric capacity（C6）One end, the 6th electric capacity（C6）Another termination power,
6th electric capacity（C6）One end be also connected with the tenth resistance（R10）One end, the tenth resistance（R10）The other end connection
3rd diode（D3）Negative pole, the 3rd diode（D3）Positive pole be connected to teaser transformer（TB）The 4th pin；Institute
State optocoupler（U1）The first pin and second pin be connected to compatible potential circuit.
6. the compatible adapter circuit of one kind of multiple voltages according to claim 3, it is characterised in that：The power supply and
Interval electric capacity is provided between output ground（CY）.
7. the compatible adapter circuit of one kind of multiple voltages according to claim 5, it is characterised in that：The compatible voltage
Circuit includes the 14th resistance（R14）, the 15th resistance（R15）, the 16th resistance（R16）, the 17th resistance（R17）, the tenth
Eight resistance（R18）, the 19th resistance（R19）, the 20th resistance（R20）, the 21st resistance（R21）, the 22nd resistance
（R22）, the 23rd resistance（R23）, the 24th resistance（R24）, the 8th electric capacity（C8）, light emitting diode（LED）, three ends it is steady
Potential source（U2）, the 9th electric capacity in the secondary commutation filter circuit（C9）One end connect the 14th resistance（R14）One end, institute
State the 14th resistance（R14）The other end connection backfeed loop in optocoupler（U1）The first pin, the 14th resistance（R14）
The other end be also connected with the 15th resistance（R15）One end, the 15th resistance（R15）Other end connection three-terminal voltage-stabilizing source
（U2）The 3rd pin, the three-terminal voltage-stabilizing source（U2）The 3rd pin connection optocoupler（U1）Second pin, the three-terminal voltage-stabilizing source
（U2）The 3rd pin and the first pin between be parallel with the 8th electric capacity（C8）, the three-terminal voltage-stabilizing source（U2）Crus secunda connect output
Ground, the three-terminal voltage-stabilizing source（U2）The first pin connect the 16th resistance（R16）One end, the 16th resistance（R16）'s
The other end connects the 17th resistance（R17）One end, the 17th resistance（R17）One end be also connected with secondary commutation filtered electrical
The electric capacity of Lu Zhong ten（C10）One end, the 17th resistance（R17）Other end connecting luminous diode（LED）Positive pole,
The light emitting diode（LED）Negative pole connect output ground, the three-terminal voltage-stabilizing source（U2）The first pin connect the 18th resistance
（R18）One end, the 18th resistance（R18）One end connect the 19th resistance（R19）One end, the 19th resistance
（R19）One end connect the 20th resistance（R20）One end, the 20th resistance（R20）One end connection the 21st electricity
Resistance（R21）One end, the 21st resistance（R21）One end connect the 22nd resistance（R22）One end, described second
12 resistance（R22）One end connect the 23rd resistance（R23）One end, the 23rd resistance（R23）One end connect
Connect the 24th resistance（R24）One end, the 18th resistance（R18）, the 19th resistance（R19）, the 20th resistance
（R20）, the 21st resistance（R21）, the 22nd resistance（R22）, the 23rd resistance（R23）With the 24th resistance
（R24）All connect output ground.
8. the compatible adapter circuit of one kind of multiple voltages according to claim 1, it is characterised in that：The live wire exchange
Input（L）With rectifier bridge（BD1）Second pin between be connected with fuse（F1）.
9. the compatible adapter circuit of one kind of multiple voltages according to claim 7, it is characterised in that：Three-terminal voltage-stabilizing source
（U2）Model TL431.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621405073.XU CN207166372U (en) | 2016-12-21 | 2016-12-21 | The compatible adapter circuit of one kind of multiple voltages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621405073.XU CN207166372U (en) | 2016-12-21 | 2016-12-21 | The compatible adapter circuit of one kind of multiple voltages |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207166372U true CN207166372U (en) | 2018-03-30 |
Family
ID=61708517
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621405073.XU Expired - Fee Related CN207166372U (en) | 2016-12-21 | 2016-12-21 | The compatible adapter circuit of one kind of multiple voltages |
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| CN (1) | CN207166372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194166A (en) * | 2018-10-31 | 2019-01-11 | 合肥惠科金扬科技有限公司 | A kind of adapter circuit and device |
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2016
- 2016-12-21 CN CN201621405073.XU patent/CN207166372U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194166A (en) * | 2018-10-31 | 2019-01-11 | 合肥惠科金扬科技有限公司 | A kind of adapter circuit and device |
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