CN206226277U - A kind of wire of embedded converter - Google Patents
A kind of wire of embedded converter Download PDFInfo
- Publication number
- CN206226277U CN206226277U CN201621247166.4U CN201621247166U CN206226277U CN 206226277 U CN206226277 U CN 206226277U CN 201621247166 U CN201621247166 U CN 201621247166U CN 206226277 U CN206226277 U CN 206226277U
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- inductance
- flexible pcb
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- circuit
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Abstract
The utility model discloses a kind of wire of embedded converter, including insulating barrier, and it is coated on the aluminium foil layer in insulating barrier, two ends or centre are distributed with flexible PCB respectively in aluminium foil layer, embedded converter circuit is respectively provided in two ends or middle flexible PCB, the input and output end of embedded converter circuit are respectively provided on the flexible PCB of two ends, and inductor wire is located between flexible PCB and is connected with two ends flexible PCB.Embedded converter circuit includes Buck circuits, Boost circuit, Cuk circuits and H-bridge circuit, the translation circuit that wire is internally integrated uses flexible PCB, and electric capacity on PCB, resistance and switching device very little, overall to have bent characteristic, application scenario is quite varied.Converter is integrated in wire, the small volume of power supply unit, power density is high.Wire is used as inductance, has both eliminated original inductance, wire is fully utilized again, therefore manufacturing cost is very low.
Description
Technical field
The utility model is related to a kind of wire of the embedded converter with voltage regulation function, is primarily but not limited to be applied to electricity
The power supply-charging field of subclass product.
Background technology
With expanding economy and the progress of society, electronic industry has been caught the opportunity of development, has been obtained unprecedented
It is progressive, as the important motivity for promoting the national economic development.Electronic product is increasingly becoming indispensable in people's daily life
A part, production and life to people generate far-reaching influence.
At present, the charging equipment of electronic product generally comprises two parts：Adapter and charging wire.Adapter be it is small-sized just
The power supply conversion equipment of formula electronic equipment and electronic apparatus is taken, typically by shell, power transformer and current rectifying and wave filtering circuit
Composition.220V AC powers are reduced to a suitable voltage first, are then carried out the low-voltage AC electricity after step-down whole
Stream, becoming alternating current turns into Rectified alternating current, and Rectified alternating current capacitor filtering finally is become into straight direct current electricity output.Fill
The effect of electric wire is the purpose for connecting mobile device and adapter to reach transmission electric energy.
However, gradually stepping up with living standards of the people, various demands are continued to bring out, power electronic equipment dress
The problem put also more and more substantially, can mainly be summarized as it is following some：
1. transformation device in adapter is typically made up of switching device, transformer, electric capacity, inductance etc., not bent, soft
Poor toughness, therefore application scenario is extremely limited；
2. charging wire is typically designed long with convenient use, and traditional charging wire only has the work that electric energy is transmitted
With, therefore there is a big chunk length not fully utilize；
3. converter typically does squarely, and volume is larger, therefore its power density is not high；
4. thermal source is concentrated mainly on converter, and the larger charging wire of volume does not play a part of radiating.
In recent years, the development of flexible electronic devices is maked rapid progress, and such as flexible display screen, flexible solar battery and flexibility can
Wearable device.These electronic equipments are also equipped with flexible characteristic on the basis of original function is realized, use very square
Just.These electronic equipment internals typically have the different grades of voltage such as 12V, 5V and 3.3V, and traditional converter is due to can not
Bending, the larger shortcoming of volume and this occasion cannot be applied to.
Utility model content
To solve drawbacks described above present in prior art, the purpose of this utility model is to provide a kind of with pressure regulation work(
The wire of the embedded converter of energy.
To achieve the above object, the utility model is adopted the following technical scheme that：
A kind of wire of embedded converter, including insulating barrier, and the aluminium foil layer in insulating barrier is coated on, in aluminium foil layer
Two ends or centre are distributed with flexible PCB respectively, and embedded converter circuit is respectively provided in two ends or middle flexible PCB, embed and become
The input and output end of converter circuit are respectively provided on the flexible PCB of two ends, and inductor wire is located between flexible PCB and soft with two ends
Property PCB be connected.
Used as optimization, the embedded converter circuit is Buck circuits, including left side high voltage input terminal input electricity in parallel
Hold CinWith the output capacitance C of right side low-voltage outputout；Input capacitance CinParallel control loop, switching circuitry output is in parallel
There are two inductance L1And L2, inductance L1And L2Output end is parallel with resistance R between on-off circuit respectively1And R2。
Further, in the on-off circuit step-down chip, input capacitance CinWith resistance R1And R2It is each attached to high pressure defeated
Enter on the flexible PCB at end, output capacitance CoutIt is fixed on the flexible PCB of low-voltage output, inductance L1And L2It is located at high input voltage
Between end and the flexible PCB of low-voltage output, and wrapped up by magnetic material, feedback line is located at inductance L1And L2Between, output electricity
Hold CoutIt is connected with inductance and is filtered.
Used as optimization, the embedded converter circuit is Boost circuit, including left side low pressure, input end input electricity in parallel
Hold CinWith the output capacitance C of right side high-voltage output endout；Input capacitance CinIt is parallel with two inductance L1And L2, inductance L1And L2Point
On-off circuit is not connected to, and switching circuitry output is parallel with resistance R1And R2。
Further, the input capacitance CinIt is fixed on the flexible PCB of low pressure, input end, the device of on-off circuit includes rising
Pressure chip, output capacitance CoutWith resistance R1And R2It is each attached on the flexible PCB of high-voltage output end, and on the flexible PCB of two ends
Input capacitance CinDevice with on-off circuit passes through inductance L1And L2It is connected；Inductance L1And L2It is located at high voltage input terminal and low pressure
Between the flexible PCB of output end, and wrapped up by magnetic material, feedback line is located at inductance L1And L2Between.
Used as optimization, the embedded converter circuit is Cuk circuits, including left side input input capacitance C in parallelinWith
The output capacitance C of right side output endout；Input capacitance CinIt is parallel with two inductance L1And L3, inductance L1And L3It is connected respectively to out
Device Switch is closed, switching device Switch output ends are in series with storage capacitor C parallel diode Diode again, diode Diode
Output end is parallel with inductance L2And L4, inductance L2And L4With output capacitance CoutIt is connected.
Further, the input capacitance CinWith output capacitance CoutIt is separately fixed in the flexible PCB of two ends, including derailing switch
The on-off circuit device of part Switch, diode Diode and storage capacitor C is fixed on middle flexible PCB, input capacitance CinWith
On-off circuit device passes through two inductance L1And L3Connection, output capacitance CoutPass through two inductance L with on-off circuit device2And L4
Connection；Inductance L1And L3、L2And L4Wrapped up by magnetic material respectively.Used as optimization, the embedded converter circuit is H bridges electricity
Road, including the input capacitance C with power sources in parallelin, input capacitance CinOn be parallel with four switching tube S1And S3, S2And S4, each switch
Pipe S1And S3, S2And S4It is upper to be parallel with diode D respectively1And D2, D3And D4, switching tube S1And S3, S2And S4Intermediate node be connected with
The inductance L and resistance R being serially connected, are parallel with output capacitance C on resistance Rout。
Further, the input capacitance CinWith two bridge arm switching tube S1And S3It is fixed in the flexible PCB of left side, output electricity
Hold CoutWith two bridge arm switching tube S2And S4It is fixed in the flexible PCB of right side, both sides flexible PCB passes through inductance L and electricity respectively
Wire outside sense L is connected, and outer lead is simultaneously wrapped up by magnetic material.
Further, the wire outside the inductance L includes positive wire and cathode conductor, and positive wire connects both sides respectively
Bridge arm switching tube S on flexible PCB1And S2, cathode conductor connects the bridge arm switching tube S on the flexible PCB of both sides respectively3And S4。
Compared with prior art, the utility model at least has following technique effect：
1. the translation circuit that wire is internally integrated uses electric capacity on flexible PCB, and PCB, resistance and switching device very little,
Overall to have bent characteristic, application scenario is quite varied.
2 are integrated in wire converter, and the small volume of power supply unit, power density is high.
3. wire is used as inductance, has both eliminated original inductance, wire is fully utilized again, therefore manufacturing cost
It is very low.
4. the heat that thermal source is produced can be dissipated by whole piece wire, therefore radiating effect is fabulous.
Brief description of the drawings
Fig. 1 is the schematic diagram of Buck circuits.
Fig. 2 is the schematic diagram of the wire of embedded Buck converters.
Fig. 3 is the schematic diagram of Boost circuit.
Fig. 4 is the schematic diagram of the wire of embedded Boost.
Fig. 5 is the topology of Cuk circuits.
Fig. 6 is the schematic diagram of the wire of embedded Cuk converters.
Fig. 7 is the schematic diagram of H bridges.
Fig. 8 is the schematic diagram of the wire of embedded H bridges.
In figure：1. input；2. output end；3. insulating barrier；4. aluminium foil layer；5. magnetic material；6. flexible PCB；7. feed back
Line.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
In order to become apparent from explanation the purpose of this utility model, technical scheme and advantage, below in conjunction with drawings and Examples
The utility model is described in further detail.It should be appreciated that particular embodiments described herein is only used to explain this practicality
It is new, it is not used to limit the utility model.
If Fig. 1 is the schematic diagram of Buck circuits, including left side high voltage input terminal input capacitance C in parallelinWith right side low pressure
The output capacitance C of output endout.Input capacitance CinParallel control loop, switching circuitry output is parallel with two inductance L1With
L2, inductance L1And L2Output end is parallel with resistance R between on-off circuit respectively1And R2。
On-off circuit includes switching device, drive circuit and control circuit, and step-down chip mp2130 can be for reference.Input electricity
Hold CinWith output capacitance CoutFrom the chip ceramic capacitor of small volume, strobe.Resistance R1And R2It is Chip-R,
Both carry out partial pressure to output voltage, by feedback signal back to step-down chip regulation dutycycle.Inductance L1And L2By wire itself
Serve as.Step-down chip, electric capacity, the type selecting of resistance can be determined according to actual conditions.
Fig. 2 is the wire of embedded Buck converters corresponding with Fig. 1, including insulating barrier 3, and is coated in insulating barrier 3
Aluminium foil layer 4, two ends are distributed with flexible PCB 6 in aluminium foil layer 4, and the input of Buck circuits is respectively provided with two ends flexible PCB 6
End 1 and output end 2.Left side is high voltage input terminal, step-down chip, input capacitance C in on-off circuitinWith resistance R1And R2Weld
It is connected on flexible PCB.Right side is low-voltage output, output capacitance CoutIt is welded on flexible PCB, inductance L1And L2It is located at two ends soft
Between property PCB, and wrapped up by magnetic material 5, feedback line 7 is located at inductance L1And L2Between, output capacitance CoutIt is connected with inductance
It is filtered.The outermost layer of wire is insulating barrier, for insulating.Again inside one layer be aluminium foil, inductance and magnetic material are wrapped up
Get up, increase area of dissipation, be conducive to radiating.Inductance is coiled into wire, and its outer layer reduces collection skin with magnetic material parcel
Effect, is conducive to reducing loss.Can by change length, arrangement mode, the thickness of magnetic material and the magnetic conductivity of wire come
Change inductance value.
Fig. 3 is the schematic diagram of Boost circuit, including left side low pressure, input end input capacitance C in parallelinIt is defeated with right side high pressure
Go out the output capacitance C at endout.Input capacitance CinIt is parallel with two inductance L1And L2, inductance L1And L2It is connected respectively to on-off circuit,
Switching circuitry output is parallel with resistance R1And R2。
On-off circuit can use boost chip mp3414, input capacitance CinWith output capacitance CoutFrom small volume
Chip ceramic capacitor, strobes.Resistance R1And R2It is Chip-R, both carry out partial pressure to output voltage, by feedback signal
Feed back to boost chip regulation dutycycle.Inductance L1And L2Itself served as by wire.
Fig. 4 is the wire of embedded Boost corresponding with Fig. 3, including insulating barrier 3, and is coated in insulating barrier 3
Aluminium foil layer 4, two ends are distributed with flexible PCB 6 in aluminium foil layer 4, and the input of Boost circuit is respectively provided with two ends flexible PCB 6
End 1 and output end 3.Left side is low pressure, input end, input capacitance CinIt is welded on flexible PCB to stablize input voltage, and with
Inductance L1And L2It is connected；Inductance L1And L2It is located between high voltage input terminal and the flexible PCB of low-voltage output, and by magnetic material
Material 5 is wrapped up, and feedback line 7 is located at inductance L1And L2Between, with inductance L1And L2It is arranged in parallel.Right side is high-voltage output end, switch electricity
The boost chip on road, output capacitance CoutWith resistance R1And R2It is welded on flexible PCB.Wire concrete structure becomes with embedded Buck
The wire of parallel operation is similar to.
Fig. 5 is the schematic diagram of Cuk circuits, while having the effect of boosting and step-down.Including the defeated of left side input parallel connection
Enter electric capacity CinWith the output capacitance C of right side output endout.Input capacitance CinIt is parallel with two inductance L1And L3, inductance L1And L3Point
Switching device Switch is not connected to, and switching device Switch output ends are in series with storage capacitor C parallel diode Diode again,
Diode Diode output ends are parallel with inductance L2And L4, inductance L2And L4With output capacitance CoutIt is connected.
Fig. 6 is the wire of embedded Cuk converters corresponding with Fig. 5, including insulating barrier 3, and is coated in insulating barrier 3
Aluminium foil layer 4, two ends and middle part are distributed with flexible PCB 6 respectively in aluminium foil layer 4, and Boost is respectively provided with two ends flexible PCB 6
The input 1 and output end 2 of circuit, input capacitance CinWith output capacitance CoutIt is integrated in respectively in the flexible PCB of two ends.Conversion electricity
Road is integrated in the flexible PCB in the middle of wire, the on-off circuit device such as switching device Switch, diode Diode and storage capacitor C
Part is welded on flexible PCB.Input capacitance CinPass through two inductance L with said switching circuit device1And L3Connection, output capacitance
CoutPass through two inductance L with on-off circuit device2And L4Connection；Inductance L1And L3、L2And L4Wrapped up by magnetic material 5 respectively,
With inductance L1And L2It is arranged in parallel.
Fig. 7 is the topological diagram of H bridges, including the input capacitance C with power sources in parallelin, input capacitance CinOn be parallel with four and open
Close pipe S1And S3, S2And S4, each switching tube S1And S3, S2And S4It is upper to be parallel with diode D respectively1And D2, D3And D4, switching tube S1With
S3, S2And S4Intermediate node be connected with the inductance L and resistance R being serially connected, output capacitance C is parallel with resistance Rout。
Can be changed into for the direct current of input exchanging electricity output by the circuit.S1~S4It is four switching tubes, D1~D4It is switch
The parasitic diode of pipe.
Fig. 8 is the wire of embedded H bridges, including insulating barrier 3, and is coated on the aluminium foil layer 4 in insulating barrier 3, in aluminium foil layer 4
Interior two ends being distributed with flexible PCB 6, two bridge arm switching tube S respectively1And S3, S2And S4The flexibility at wire two ends is integrated in respectively
On PCB6, input capacitance CinWith two bridge arm switching tube S1And S3It is fixed in the flexible PCB of left side, output capacitance CoutWith two
Bridge arm switching tube S2And S4It is fixed in the flexible PCB of right side, both sides flexible PCB is respectively by leading outside inductance L and inductance L
Line is connected, and outer lead is wrapped up by magnetic material.Wire outside inductance L includes positive wire and cathode conductor, and V+ is except straight
Connect and the S on the left of wire1It is connected, also by V+ buses and the S of wire right-hand member3It is connected.V- except directly with wire on the left of S3Phase
Even, also by V- buses and the S of wire right-hand member4It is connected.It is inductance L, left side connection S in the middle of wire1And S3Midpoint, right side with
Output capacitance CoutConnection.Inductance L outsides are V+ buses and V- buses.
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
It is used to limit the utility model, all any modifications made within spirit of the present utility model and principle and change equivalent
Enter, should be included within protection domain of the present utility model.
Claims (10)
1. a kind of wire of embedded converter, it is characterised in that including insulating barrier, and be coated on the aluminium foil layer in insulating barrier,
Two ends or centre are distributed with flexible PCB respectively in aluminium foil layer, and embedded converter circuit is respectively provided at two ends or middle flexible PCB
In, the input and output end of embedded converter circuit are respectively provided on the flexible PCB of two ends, and inductor wire is located between flexible PCB
And be connected with two ends flexible PCB.
2. the wire of a kind of embedded converter according to claim 1, it is characterised in that the embedded converter circuit is
Buck circuits, including left side high voltage input terminal input capacitance C in parallelinWith the output capacitance C of right side low-voltage outputout；Input
Electric capacity CinParallel control loop, switching circuitry output is parallel with two inductance L1And L2, inductance L1And L2Output end respectively with open
Resistance R is parallel between powered-down road1And R2。
3. a kind of wire of embedded converter according to claim 2, it is characterised in that the step-down in the on-off circuit
Chip, input capacitance CinWith resistance R1And R2It is each attached on the flexible PCB of high voltage input terminal, output capacitance CoutIt is fixed on low
Press on the flexible PCB of output end, inductance L1And L2It is located between high voltage input terminal and the flexible PCB of low-voltage output, and by magnetic
Property material parcel, feedback line is located at inductance L1And L2Between, output capacitance CoutIt is connected with inductance and is filtered.
4. the wire of a kind of embedded converter according to claim 1, it is characterised in that the embedded converter circuit is
Boost circuit, including left side low pressure, input end input capacitance C in parallelinWith the output capacitance C of right side high-voltage output endout；It is defeated
Enter electric capacity CinIt is parallel with two inductance L1And L2, inductance L1And L2On-off circuit is connected respectively to, switching circuitry output is parallel with
Resistance R1And R2。
5. a kind of wire of embedded converter according to claim 4, it is characterised in that the input capacitance CinIt is fixed on
On the flexible PCB of low pressure, input end, the device of on-off circuit includes boost chip, output capacitance CoutWith resistance R1And R2Fix
On the flexible PCB of high-voltage output end, and the input capacitance C on the flexible PCB of two endsinDevice with on-off circuit passes through inductance
L1And L2It is connected；Inductance L1And L2It is located between high voltage input terminal and the flexible PCB of low-voltage output, and by magnetic material bag
Wrap up in, feedback line is located at inductance L1And L2Between.
6. the wire of a kind of embedded converter according to claim 1, it is characterised in that the embedded converter circuit is
Cuk circuits, including left side input input capacitance C in parallelinWith the output capacitance C of right side output endout；Input capacitance CinAnd
It is associated with two inductance L1And L3, inductance L1And L3It is connected respectively to switching device Switch, the series connection of switching device Switch output ends
There are storage capacitor C parallel diode Diode again, diode Diode output ends are parallel with inductance L2And L4, inductance L2And L4With it is defeated
Go out electric capacity Cout to be connected.
7. a kind of wire of embedded converter according to claim 6, it is characterised in that the input capacitance CinAnd output
Electric capacity CoutIt is separately fixed in the flexible PCB of two ends, including switching device Switch, diode Diode and storage capacitor C are opened
Close circuit devcie to be fixed on middle flexible PCB, input capacitance CinPass through two inductance L with on-off circuit device1And L3Connection,
Output capacitance CoutPass through two inductance L with on-off circuit device2And L4Connection；Inductance L1And L3、L2And L4Pass through magnetic material respectively
Material parcel.
8. the wire of a kind of embedded converter according to claim 1, it is characterised in that the embedded converter circuit is
H-bridge circuit, including the input capacitance C with power sources in parallelin, input capacitance CinOn be parallel with four switching tube S1And S3, S2And S4,
Each switching tube S1And S3, S2And S4It is upper to be parallel with diode D respectively1And D2, D3And D4, switching tube S1And S3, S2And S4Intermediate node
The inductance L and resistance R being serially connected are connected with, output capacitance C is parallel with resistance Rout。
9. a kind of wire of embedded converter according to claim 8, it is characterised in that the input capacitance CinWith two
Bridge arm switching tube S1And S3It is fixed in the flexible PCB of left side, output capacitance CoutWith two bridge arm switching tube S2And S4It is fixed on the right side
In the flexible PCB of side, both sides flexible PCB is connected by the wire outside inductance L and inductance L respectively, and outer lead passes through magnetic
Material is wrapped up.
10. a kind of wire of embedded converter according to claim 9, it is characterised in that the wire outside the inductance L
Including positive wire and cathode conductor, positive wire connects the bridge arm switching tube S on the flexible PCB of both sides respectively1And S2, negative pole leads
Line connects the bridge arm switching tube S on the flexible PCB of both sides respectively3And S4。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247166.4U CN206226277U (en) | 2016-11-17 | 2016-11-17 | A kind of wire of embedded converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621247166.4U CN206226277U (en) | 2016-11-17 | 2016-11-17 | A kind of wire of embedded converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206226277U true CN206226277U (en) | 2017-06-06 |
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ID=58790149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621247166.4U Expired - Fee Related CN206226277U (en) | 2016-11-17 | 2016-11-17 | A kind of wire of embedded converter |
Country Status (1)
| Country | Link |
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| CN (1) | CN206226277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023231401A1 (en) * | 2022-05-30 | 2023-12-07 | 华为技术有限公司 | Non-isolated dcdc converter, power supply, and communication device |
-
2016
- 2016-11-17 CN CN201621247166.4U patent/CN206226277U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023231401A1 (en) * | 2022-05-30 | 2023-12-07 | 华为技术有限公司 | Non-isolated dcdc converter, power supply, and communication device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20201117 |